:stub-columns: 0
:widths: 1 2 1 10
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- -
- - Number of the buffer, set by the application except when calling
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, then it is set by the
- driver. This field can range from zero to the number of buffers
- allocated with the :ref:`VIDIOC_REQBUFS` ioctl
- (struct :c:type:`v4l2_requestbuffers`
- ``count``), plus any buffers allocated with
- :ref:`VIDIOC_CREATE_BUFS` minus one.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- -
- - Type of the buffer, same as struct
- :c:type:`v4l2_format` ``type`` or struct
- :c:type:`v4l2_requestbuffers` ``type``, set
- by the application. See :c:type:`v4l2_buf_type`
-
- - .. row 3
-
- - __u32
-
- - ``bytesused``
-
- -
- - The number of bytes occupied by the data in the buffer. It depends
- on the negotiated data format and may change with each buffer for
- compressed variable size data like JPEG images. Drivers must set
- this field when ``type`` refers to a capture stream, applications
- when it refers to an output stream. If the application sets this
- to 0 for an output stream, then ``bytesused`` will be set to the
- size of the buffer (see the ``length`` field of this struct) by
- the driver. For multiplanar formats this field is ignored and the
- ``planes`` pointer is used instead.
-
- - .. row 4
-
- - __u32
-
- - ``flags``
-
- -
- - Flags set by the application or driver, see :ref:`buffer-flags`.
-
- - .. row 5
-
- - __u32
-
- - ``field``
-
- -
- - Indicates the field order of the image in the buffer, see
- :c:type:`v4l2_field`. This field is not used when the buffer
- contains VBI data. Drivers must set it when ``type`` refers to a
- capture stream, applications when it refers to an output stream.
-
- - .. row 6
-
- - struct timeval
-
- - ``timestamp``
-
- -
- - For capture streams this is time when the first data byte was
- captured, as returned by the :c:func:`clock_gettime()` function
- for the relevant clock id; see ``V4L2_BUF_FLAG_TIMESTAMP_*`` in
- :ref:`buffer-flags`. For output streams the driver stores the
- time at which the last data byte was actually sent out in the
- ``timestamp`` field. This permits applications to monitor the
- drift between the video and system clock. For output streams that
- use ``V4L2_BUF_FLAG_TIMESTAMP_COPY`` the application has to fill
- in the timestamp which will be copied by the driver to the capture
- stream.
-
- - .. row 7
-
- - struct :c:type:`v4l2_timecode`
-
- - ``timecode``
-
- -
- - When ``type`` is ``V4L2_BUF_TYPE_VIDEO_CAPTURE`` and the
- ``V4L2_BUF_FLAG_TIMECODE`` flag is set in ``flags``, this
- structure contains a frame timecode. In
- :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
- bottom field contain the same timecode. Timecodes are intended to
- help video editing and are typically recorded on video tapes, but
- also embedded in compressed formats like MPEG. This field is
- independent of the ``timestamp`` and ``sequence`` fields.
-
- - .. row 8
-
- - __u32
-
- - ``sequence``
-
- -
- - Set by the driver, counting the frames (not fields!) in sequence.
- This field is set for both input and output devices.
-
- - .. row 9
-
- - :cspan:`3`
-
- In :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
- bottom field have the same sequence number. The count starts at
- zero and includes dropped or repeated frames. A dropped frame was
- received by an input device but could not be stored due to lack of
- free buffer space. A repeated frame was displayed again by an
- output device because the application did not pass new data in
- time.
-
- .. note::
-
- This may count the frames received e.g. over USB, without
- taking into account the frames dropped by the remote hardware due
- to limited compression throughput or bus bandwidth. These devices
- identify by not enumerating any video standards, see
- :ref:`standard`.
-
-
- - .. row 10
-
- - __u32
-
- - ``memory``
-
- -
- - This field must be set by applications and/or drivers in
- accordance with the selected I/O method. See :c:type:`v4l2_memory`
-
- - .. row 11
-
- - union
-
- - ``m``
-
- - .. row 12
-
- -
- - __u32
-
- - ``offset``
-
- - For the single-planar API and when ``memory`` is
- ``V4L2_MEMORY_MMAP`` this is the offset of the buffer from the
- start of the device memory. The value is returned by the driver
- and apart of serving as parameter to the
- :ref:`mmap() <func-mmap>` function not useful for applications.
- See :ref:`mmap` for details
-
- - .. row 13
-
- -
- - unsigned long
-
- - ``userptr``
-
- - For the single-planar API and when ``memory`` is
- ``V4L2_MEMORY_USERPTR`` this is a pointer to the buffer (casted to
- unsigned long type) in virtual memory, set by the application. See
- :ref:`userp` for details.
-
- - .. row 14
-
- -
- - struct v4l2_plane
-
- - ``*planes``
-
- - When using the multi-planar API, contains a userspace pointer to
- an array of struct :c:type:`v4l2_plane`. The size of
- the array should be put in the ``length`` field of this
- struct :c:type:`v4l2_buffer` structure.
-
- - .. row 15
-
- -
- - int
-
- - ``fd``
-
- - For the single-plane API and when ``memory`` is
- ``V4L2_MEMORY_DMABUF`` this is the file descriptor associated with
- a DMABUF buffer.
-
- - .. row 16
-
- - __u32
-
- - ``length``
-
- -
- - Size of the buffer (not the payload) in bytes for the
- single-planar API. This is set by the driver based on the calls to
- :ref:`VIDIOC_REQBUFS` and/or
- :ref:`VIDIOC_CREATE_BUFS`. For the
- multi-planar API the application sets this to the number of
- elements in the ``planes`` array. The driver will fill in the
- actual number of valid elements in that array.
-
- - .. row 17
-
- - __u32
-
- - ``reserved2``
-
- -
- - A place holder for future extensions. Drivers and applications
- must set this to 0.
-
- - .. row 18
-
- - __u32
-
- - ``reserved``
-
- -
- - A place holder for future extensions. Drivers and applications
- must set this to 0.
+ * - __u32
+ - ``index``
+ -
+ - Number of the buffer, set by the application except when calling
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, then it is set by the
+ driver. This field can range from zero to the number of buffers
+ allocated with the :ref:`VIDIOC_REQBUFS` ioctl
+ (struct :c:type:`v4l2_requestbuffers`
+ ``count``), plus any buffers allocated with
+ :ref:`VIDIOC_CREATE_BUFS` minus one.
+ * - __u32
+ - ``type``
+ -
+ - Type of the buffer, same as struct
+ :c:type:`v4l2_format` ``type`` or struct
+ :c:type:`v4l2_requestbuffers` ``type``, set
+ by the application. See :c:type:`v4l2_buf_type`
+ * - __u32
+ - ``bytesused``
+ -
+ - The number of bytes occupied by the data in the buffer. It depends
+ on the negotiated data format and may change with each buffer for
+ compressed variable size data like JPEG images. Drivers must set
+ this field when ``type`` refers to a capture stream, applications
+ when it refers to an output stream. If the application sets this
+ to 0 for an output stream, then ``bytesused`` will be set to the
+ size of the buffer (see the ``length`` field of this struct) by
+ the driver. For multiplanar formats this field is ignored and the
+ ``planes`` pointer is used instead.
+ * - __u32
+ - ``flags``
+ -
+ - Flags set by the application or driver, see :ref:`buffer-flags`.
+ * - __u32
+ - ``field``
+ -
+ - Indicates the field order of the image in the buffer, see
+ :c:type:`v4l2_field`. This field is not used when the buffer
+ contains VBI data. Drivers must set it when ``type`` refers to a
+ capture stream, applications when it refers to an output stream.
+ * - struct timeval
+ - ``timestamp``
+ -
+ - For capture streams this is time when the first data byte was
+ captured, as returned by the :c:func:`clock_gettime()` function
+ for the relevant clock id; see ``V4L2_BUF_FLAG_TIMESTAMP_*`` in
+ :ref:`buffer-flags`. For output streams the driver stores the
+ time at which the last data byte was actually sent out in the
+ ``timestamp`` field. This permits applications to monitor the
+ drift between the video and system clock. For output streams that
+ use ``V4L2_BUF_FLAG_TIMESTAMP_COPY`` the application has to fill
+ in the timestamp which will be copied by the driver to the capture
+ stream.
+ * - struct :c:type:`v4l2_timecode`
+ - ``timecode``
+ -
+ - When ``type`` is ``V4L2_BUF_TYPE_VIDEO_CAPTURE`` and the
+ ``V4L2_BUF_FLAG_TIMECODE`` flag is set in ``flags``, this
+ structure contains a frame timecode. In
+ :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
+ bottom field contain the same timecode. Timecodes are intended to
+ help video editing and are typically recorded on video tapes, but
+ also embedded in compressed formats like MPEG. This field is
+ independent of the ``timestamp`` and ``sequence`` fields.
+ * - __u32
+ - ``sequence``
+ -
+ - Set by the driver, counting the frames (not fields!) in sequence.
+ This field is set for both input and output devices.
+ * - :cspan:`3`
+
+ In :c:type:`V4L2_FIELD_ALTERNATE <v4l2_field>` mode the top and
+ bottom field have the same sequence number. The count starts at
+ zero and includes dropped or repeated frames. A dropped frame was
+ received by an input device but could not be stored due to lack of
+ free buffer space. A repeated frame was displayed again by an
+ output device because the application did not pass new data in
+ time.
+
+ .. note::
+
+ This may count the frames received e.g. over USB, without
+ taking into account the frames dropped by the remote hardware due
+ to limited compression throughput or bus bandwidth. These devices
+ identify by not enumerating any video standards, see
+ :ref:`standard`.
+
+ * - __u32
+ - ``memory``
+ -
+ - This field must be set by applications and/or drivers in
+ accordance with the selected I/O method. See :c:type:`v4l2_memory`
+ * - union
+ - ``m``
+ * -
+ - __u32
+ - ``offset``
+ - For the single-planar API and when ``memory`` is
+ ``V4L2_MEMORY_MMAP`` this is the offset of the buffer from the
+ start of the device memory. The value is returned by the driver
+ and apart of serving as parameter to the
+ :ref:`mmap() <func-mmap>` function not useful for applications.
+ See :ref:`mmap` for details
+ * -
+ - unsigned long
+ - ``userptr``
+ - For the single-planar API and when ``memory`` is
+ ``V4L2_MEMORY_USERPTR`` this is a pointer to the buffer (casted to
+ unsigned long type) in virtual memory, set by the application. See
+ :ref:`userp` for details.
+ * -
+ - struct v4l2_plane
+ - ``*planes``
+ - When using the multi-planar API, contains a userspace pointer to
+ an array of struct :c:type:`v4l2_plane`. The size of
+ the array should be put in the ``length`` field of this
+ struct :c:type:`v4l2_buffer` structure.
+ * -
+ - int
+ - ``fd``
+ - For the single-plane API and when ``memory`` is
+ ``V4L2_MEMORY_DMABUF`` this is the file descriptor associated with
+ a DMABUF buffer.
+ * - __u32
+ - ``length``
+ -
+ - Size of the buffer (not the payload) in bytes for the
+ single-planar API. This is set by the driver based on the calls to
+ :ref:`VIDIOC_REQBUFS` and/or
+ :ref:`VIDIOC_CREATE_BUFS`. For the
+ multi-planar API the application sets this to the number of
+ elements in the ``planes`` array. The driver will fill in the
+ actual number of valid elements in that array.
+ * - __u32
+ - ``reserved2``
+ -
+ - A place holder for future extensions. Drivers and applications
+ must set this to 0.
+ * - __u32
+ - ``reserved``
+ -
+ - A place holder for future extensions. Drivers and applications
+ must set this to 0.
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``bytesused``
-
- -
- - The number of bytes occupied by data in the plane (its payload).
- Drivers must set this field when ``type`` refers to a capture
- stream, applications when it refers to an output stream. If the
- application sets this to 0 for an output stream, then
- ``bytesused`` will be set to the size of the plane (see the
- ``length`` field of this struct) by the driver.
-
- .. note::
-
- Note that the actual image data starts at ``data_offset``
- which may not be 0.
-
- - .. row 2
-
- - __u32
-
- - ``length``
-
- -
- - Size in bytes of the plane (not its payload). This is set by the
- driver based on the calls to
- :ref:`VIDIOC_REQBUFS` and/or
- :ref:`VIDIOC_CREATE_BUFS`.
-
- - .. row 3
-
- - union
-
- - ``m``
-
- -
- -
-
- - .. row 4
-
- -
- - __u32
-
- - ``mem_offset``
-
- - When the memory type in the containing struct
- :c:type:`v4l2_buffer` is ``V4L2_MEMORY_MMAP``, this
- is the value that should be passed to :ref:`mmap() <func-mmap>`,
- similar to the ``offset`` field in struct
- :c:type:`v4l2_buffer`.
-
- - .. row 5
-
- -
- - unsigned long
-
- - ``userptr``
-
- - When the memory type in the containing struct
- :c:type:`v4l2_buffer` is ``V4L2_MEMORY_USERPTR``,
- this is a userspace pointer to the memory allocated for this plane
- by an application.
-
- - .. row 6
-
- -
- - int
-
- - ``fd``
-
- - When the memory type in the containing struct
- :c:type:`v4l2_buffer` is ``V4L2_MEMORY_DMABUF``,
- this is a file descriptor associated with a DMABUF buffer, similar
- to the ``fd`` field in struct :c:type:`v4l2_buffer`.
-
- - .. row 7
-
- - __u32
-
- - ``data_offset``
-
- -
- - Offset in bytes to video data in the plane. Drivers must set this
- field when ``type`` refers to a capture stream, applications when
- it refers to an output stream.
-
- .. note::
-
- That data_offset is included in ``bytesused``. So the
- size of the image in the plane is ``bytesused``-``data_offset``
- at offset ``data_offset`` from the start of the plane.
-
- - .. row 8
-
- - __u32
-
- - ``reserved[11]``
-
- -
- - Reserved for future use. Should be zeroed by drivers and
- applications.
+ * - __u32
+ - ``bytesused``
+ -
+ - The number of bytes occupied by data in the plane (its payload).
+ Drivers must set this field when ``type`` refers to a capture
+ stream, applications when it refers to an output stream. If the
+ application sets this to 0 for an output stream, then
+ ``bytesused`` will be set to the size of the plane (see the
+ ``length`` field of this struct) by the driver.
+
+ .. note::
+
+ Note that the actual image data starts at ``data_offset``
+ which may not be 0.
+ * - __u32
+ - ``length``
+ -
+ - Size in bytes of the plane (not its payload). This is set by the
+ driver based on the calls to
+ :ref:`VIDIOC_REQBUFS` and/or
+ :ref:`VIDIOC_CREATE_BUFS`.
+ * - union
+ - ``m``
+ -
+ -
+ * -
+ - __u32
+ - ``mem_offset``
+ - When the memory type in the containing struct
+ :c:type:`v4l2_buffer` is ``V4L2_MEMORY_MMAP``, this
+ is the value that should be passed to :ref:`mmap() <func-mmap>`,
+ similar to the ``offset`` field in struct
+ :c:type:`v4l2_buffer`.
+ * -
+ - unsigned long
+ - ``userptr``
+ - When the memory type in the containing struct
+ :c:type:`v4l2_buffer` is ``V4L2_MEMORY_USERPTR``,
+ this is a userspace pointer to the memory allocated for this plane
+ by an application.
+ * -
+ - int
+ - ``fd``
+ - When the memory type in the containing struct
+ :c:type:`v4l2_buffer` is ``V4L2_MEMORY_DMABUF``,
+ this is a file descriptor associated with a DMABUF buffer, similar
+ to the ``fd`` field in struct :c:type:`v4l2_buffer`.
+ * - __u32
+ - ``data_offset``
+ -
+ - Offset in bytes to video data in the plane. Drivers must set this
+ field when ``type`` refers to a capture stream, applications when
+ it refers to an output stream.
+
+ .. note::
+
+ That data_offset is included in ``bytesused``. So the
+ size of the image in the plane is ``bytesused``-``data_offset``
+ at offset ``data_offset`` from the start of the plane.
+ * - __u32
+ - ``reserved[11]``
+ -
+ - Reserved for future use. Should be zeroed by drivers and
+ applications.
:stub-columns: 0
:widths: 4 1 9
-
- - .. row 1
-
- - ``V4L2_BUF_TYPE_VIDEO_CAPTURE``
-
- - 1
-
- - Buffer of a single-planar video capture stream, see
- :ref:`capture`.
-
- - .. row 2
-
- - ``V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE``
-
- - 9
-
- - Buffer of a multi-planar video capture stream, see
- :ref:`capture`.
-
- - .. row 3
-
- - ``V4L2_BUF_TYPE_VIDEO_OUTPUT``
-
- - 2
-
- - Buffer of a single-planar video output stream, see
- :ref:`output`.
-
- - .. row 4
-
- - ``V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE``
-
- - 10
-
- - Buffer of a multi-planar video output stream, see :ref:`output`.
-
- - .. row 5
-
- - ``V4L2_BUF_TYPE_VIDEO_OVERLAY``
-
- - 3
-
- - Buffer for video overlay, see :ref:`overlay`.
-
- - .. row 6
-
- - ``V4L2_BUF_TYPE_VBI_CAPTURE``
-
- - 4
-
- - Buffer of a raw VBI capture stream, see :ref:`raw-vbi`.
-
- - .. row 7
-
- - ``V4L2_BUF_TYPE_VBI_OUTPUT``
-
- - 5
-
- - Buffer of a raw VBI output stream, see :ref:`raw-vbi`.
-
- - .. row 8
-
- - ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE``
-
- - 6
-
- - Buffer of a sliced VBI capture stream, see :ref:`sliced`.
-
- - .. row 9
-
- - ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``
-
- - 7
-
- - Buffer of a sliced VBI output stream, see :ref:`sliced`.
-
- - .. row 10
-
- - ``V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY``
-
- - 8
-
- - Buffer for video output overlay (OSD), see :ref:`osd`.
-
- - .. row 11
-
- - ``V4L2_BUF_TYPE_SDR_CAPTURE``
-
- - 11
-
- - Buffer for Software Defined Radio (SDR) capture stream, see
- :ref:`sdr`.
-
- - .. row 12
-
- - ``V4L2_BUF_TYPE_SDR_OUTPUT``
-
- - 12
-
- - Buffer for Software Defined Radio (SDR) output stream, see
- :ref:`sdr`.
+ * - ``V4L2_BUF_TYPE_VIDEO_CAPTURE``
+ - 1
+ - Buffer of a single-planar video capture stream, see
+ :ref:`capture`.
+ * - ``V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE``
+ - 9
+ - Buffer of a multi-planar video capture stream, see
+ :ref:`capture`.
+ * - ``V4L2_BUF_TYPE_VIDEO_OUTPUT``
+ - 2
+ - Buffer of a single-planar video output stream, see
+ :ref:`output`.
+ * - ``V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE``
+ - 10
+ - Buffer of a multi-planar video output stream, see :ref:`output`.
+ * - ``V4L2_BUF_TYPE_VIDEO_OVERLAY``
+ - 3
+ - Buffer for video overlay, see :ref:`overlay`.
+ * - ``V4L2_BUF_TYPE_VBI_CAPTURE``
+ - 4
+ - Buffer of a raw VBI capture stream, see :ref:`raw-vbi`.
+ * - ``V4L2_BUF_TYPE_VBI_OUTPUT``
+ - 5
+ - Buffer of a raw VBI output stream, see :ref:`raw-vbi`.
+ * - ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE``
+ - 6
+ - Buffer of a sliced VBI capture stream, see :ref:`sliced`.
+ * - ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``
+ - 7
+ - Buffer of a sliced VBI output stream, see :ref:`sliced`.
+ * - ``V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY``
+ - 8
+ - Buffer for video output overlay (OSD), see :ref:`osd`.
+ * - ``V4L2_BUF_TYPE_SDR_CAPTURE``
+ - 11
+ - Buffer for Software Defined Radio (SDR) capture stream, see
+ :ref:`sdr`.
+ * - ``V4L2_BUF_TYPE_SDR_OUTPUT``
+ - 12
+ - Buffer for Software Defined Radio (SDR) output stream, see
+ :ref:`sdr`.
:stub-columns: 0
:widths: 3 1 4
-
- - .. _`V4L2-BUF-FLAG-MAPPED`:
-
- - ``V4L2_BUF_FLAG_MAPPED``
-
- - 0x00000001
-
- - The buffer resides in device memory and has been mapped into the
- application's address space, see :ref:`mmap` for details.
- Drivers set or clear this flag when the
- :ref:`VIDIOC_QUERYBUF`,
- :ref:`VIDIOC_QBUF` or
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Set by the
- driver.
-
- - .. _`V4L2-BUF-FLAG-QUEUED`:
-
- - ``V4L2_BUF_FLAG_QUEUED``
-
- - 0x00000002
-
- - Internally drivers maintain two buffer queues, an incoming and
- outgoing queue. When this flag is set, the buffer is currently on
- the incoming queue. It automatically moves to the outgoing queue
- after the buffer has been filled (capture devices) or displayed
- (output devices). Drivers set or clear this flag when the
- ``VIDIOC_QUERYBUF`` ioctl is called. After (successful) calling
- the ``VIDIOC_QBUF``\ ioctl it is always set and after
- ``VIDIOC_DQBUF`` always cleared.
-
- - .. _`V4L2-BUF-FLAG-DONE`:
-
- - ``V4L2_BUF_FLAG_DONE``
-
- - 0x00000004
-
- - When this flag is set, the buffer is currently on the outgoing
- queue, ready to be dequeued from the driver. Drivers set or clear
- this flag when the ``VIDIOC_QUERYBUF`` ioctl is called. After
- calling the ``VIDIOC_QBUF`` or ``VIDIOC_DQBUF`` it is always
- cleared. Of course a buffer cannot be on both queues at the same
- time, the ``V4L2_BUF_FLAG_QUEUED`` and ``V4L2_BUF_FLAG_DONE`` flag
- are mutually exclusive. They can be both cleared however, then the
- buffer is in "dequeued" state, in the application domain so to
- say.
-
- - .. _`V4L2-BUF-FLAG-ERROR`:
-
- - ``V4L2_BUF_FLAG_ERROR``
-
- - 0x00000040
-
- - When this flag is set, the buffer has been dequeued successfully,
- although the data might have been corrupted. This is recoverable,
- streaming may continue as normal and the buffer may be reused
- normally. Drivers set this flag when the ``VIDIOC_DQBUF`` ioctl is
- called.
-
- - .. _`V4L2-BUF-FLAG-KEYFRAME`:
-
- - ``V4L2_BUF_FLAG_KEYFRAME``
-
- - 0x00000008
-
- - Drivers set or clear this flag when calling the ``VIDIOC_DQBUF``
- ioctl. It may be set by video capture devices when the buffer
- contains a compressed image which is a key frame (or field), i. e.
- can be decompressed on its own. Also known as an I-frame.
- Applications can set this bit when ``type`` refers to an output
- stream.
-
- - .. _`V4L2-BUF-FLAG-PFRAME`:
-
- - ``V4L2_BUF_FLAG_PFRAME``
-
- - 0x00000010
-
- - Similar to ``V4L2_BUF_FLAG_KEYFRAME`` this flags predicted frames
- or fields which contain only differences to a previous key frame.
- Applications can set this bit when ``type`` refers to an output
- stream.
-
- - .. _`V4L2-BUF-FLAG-BFRAME`:
-
- - ``V4L2_BUF_FLAG_BFRAME``
-
- - 0x00000020
-
- - Similar to ``V4L2_BUF_FLAG_KEYFRAME`` this flags a bi-directional
- predicted frame or field which contains only the differences
- between the current frame and both the preceding and following key
- frames to specify its content. Applications can set this bit when
- ``type`` refers to an output stream.
-
- - .. _`V4L2-BUF-FLAG-TIMECODE`:
-
- - ``V4L2_BUF_FLAG_TIMECODE``
-
- - 0x00000100
-
- - The ``timecode`` field is valid. Drivers set or clear this flag
- when the ``VIDIOC_DQBUF`` ioctl is called. Applications can set
- this bit and the corresponding ``timecode`` structure when
- ``type`` refers to an output stream.
-
- - .. _`V4L2-BUF-FLAG-PREPARED`:
-
- - ``V4L2_BUF_FLAG_PREPARED``
-
- - 0x00000400
-
- - The buffer has been prepared for I/O and can be queued by the
- application. Drivers set or clear this flag when the
- :ref:`VIDIOC_QUERYBUF`,
- :ref:`VIDIOC_PREPARE_BUF <VIDIOC_QBUF>`,
- :ref:`VIDIOC_QBUF` or
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called.
-
- - .. _`V4L2-BUF-FLAG-NO-CACHE-INVALIDATE`:
-
- - ``V4L2_BUF_FLAG_NO_CACHE_INVALIDATE``
-
- - 0x00000800
-
- - Caches do not have to be invalidated for this buffer. Typically
- applications shall use this flag if the data captured in the
- buffer is not going to be touched by the CPU, instead the buffer
- will, probably, be passed on to a DMA-capable hardware unit for
- further processing or output.
-
- - .. _`V4L2-BUF-FLAG-NO-CACHE-CLEAN`:
-
- - ``V4L2_BUF_FLAG_NO_CACHE_CLEAN``
-
- - 0x00001000
-
- - Caches do not have to be cleaned for this buffer. Typically
- applications shall use this flag for output buffers if the data in
- this buffer has not been created by the CPU but by some
- DMA-capable unit, in which case caches have not been used.
-
- - .. _`V4L2-BUF-FLAG-LAST`:
-
- - ``V4L2_BUF_FLAG_LAST``
-
- - 0x00100000
-
- - Last buffer produced by the hardware. mem2mem codec drivers set
- this flag on the capture queue for the last buffer when the
- :ref:`VIDIOC_QUERYBUF` or
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Due to
- hardware limitations, the last buffer may be empty. In this case
- the driver will set the ``bytesused`` field to 0, regardless of
- the format. Any Any subsequent call to the
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
- but return an ``EPIPE`` error code.
-
- - .. _`V4L2-BUF-FLAG-TIMESTAMP-MASK`:
-
- - ``V4L2_BUF_FLAG_TIMESTAMP_MASK``
-
- - 0x0000e000
-
- - Mask for timestamp types below. To test the timestamp type, mask
- out bits not belonging to timestamp type by performing a logical
- and operation with buffer flags and timestamp mask.
-
- - .. _`V4L2-BUF-FLAG-TIMESTAMP-UNKNOWN`:
-
- - ``V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN``
-
- - 0x00000000
-
- - Unknown timestamp type. This type is used by drivers before Linux
- 3.9 and may be either monotonic (see below) or realtime (wall
- clock). Monotonic clock has been favoured in embedded systems
- whereas most of the drivers use the realtime clock. Either kinds
- of timestamps are available in user space via
- :c:func:`clock_gettime` using clock IDs ``CLOCK_MONOTONIC``
- and ``CLOCK_REALTIME``, respectively.
-
- - .. _`V4L2-BUF-FLAG-TIMESTAMP-MONOTONIC`:
-
- - ``V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC``
-
- - 0x00002000
-
- - The buffer timestamp has been taken from the ``CLOCK_MONOTONIC``
- clock. To access the same clock outside V4L2, use
- :c:func:`clock_gettime`.
-
- - .. _`V4L2-BUF-FLAG-TIMESTAMP-COPY`:
-
- - ``V4L2_BUF_FLAG_TIMESTAMP_COPY``
-
- - 0x00004000
-
- - The CAPTURE buffer timestamp has been taken from the corresponding
- OUTPUT buffer. This flag applies only to mem2mem devices.
-
- - .. _`V4L2-BUF-FLAG-TSTAMP-SRC-MASK`:
-
- - ``V4L2_BUF_FLAG_TSTAMP_SRC_MASK``
-
- - 0x00070000
-
- - Mask for timestamp sources below. The timestamp source defines the
- point of time the timestamp is taken in relation to the frame.
- Logical 'and' operation between the ``flags`` field and
- ``V4L2_BUF_FLAG_TSTAMP_SRC_MASK`` produces the value of the
- timestamp source. Applications must set the timestamp source when
- ``type`` refers to an output stream and
- ``V4L2_BUF_FLAG_TIMESTAMP_COPY`` is set.
-
- - .. _`V4L2-BUF-FLAG-TSTAMP-SRC-EOF`:
-
- - ``V4L2_BUF_FLAG_TSTAMP_SRC_EOF``
-
- - 0x00000000
-
- - End Of Frame. The buffer timestamp has been taken when the last
- pixel of the frame has been received or the last pixel of the
- frame has been transmitted. In practice, software generated
- timestamps will typically be read from the clock a small amount of
- time after the last pixel has been received or transmitten,
- depending on the system and other activity in it.
-
- - .. _`V4L2-BUF-FLAG-TSTAMP-SRC-SOE`:
-
- - ``V4L2_BUF_FLAG_TSTAMP_SRC_SOE``
-
- - 0x00010000
-
- - Start Of Exposure. The buffer timestamp has been taken when the
- exposure of the frame has begun. This is only valid for the
- ``V4L2_BUF_TYPE_VIDEO_CAPTURE`` buffer type.
+ * .. _`V4L2-BUF-FLAG-MAPPED`:
+
+ - ``V4L2_BUF_FLAG_MAPPED``
+ - 0x00000001
+ - The buffer resides in device memory and has been mapped into the
+ application's address space, see :ref:`mmap` for details.
+ Drivers set or clear this flag when the
+ :ref:`VIDIOC_QUERYBUF`,
+ :ref:`VIDIOC_QBUF` or
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Set by the
+ driver.
+ * .. _`V4L2-BUF-FLAG-QUEUED`:
+
+ - ``V4L2_BUF_FLAG_QUEUED``
+ - 0x00000002
+ - Internally drivers maintain two buffer queues, an incoming and
+ outgoing queue. When this flag is set, the buffer is currently on
+ the incoming queue. It automatically moves to the outgoing queue
+ after the buffer has been filled (capture devices) or displayed
+ (output devices). Drivers set or clear this flag when the
+ ``VIDIOC_QUERYBUF`` ioctl is called. After (successful) calling
+ the ``VIDIOC_QBUF``\ ioctl it is always set and after
+ ``VIDIOC_DQBUF`` always cleared.
+ * .. _`V4L2-BUF-FLAG-DONE`:
+
+ - ``V4L2_BUF_FLAG_DONE``
+ - 0x00000004
+ - When this flag is set, the buffer is currently on the outgoing
+ queue, ready to be dequeued from the driver. Drivers set or clear
+ this flag when the ``VIDIOC_QUERYBUF`` ioctl is called. After
+ calling the ``VIDIOC_QBUF`` or ``VIDIOC_DQBUF`` it is always
+ cleared. Of course a buffer cannot be on both queues at the same
+ time, the ``V4L2_BUF_FLAG_QUEUED`` and ``V4L2_BUF_FLAG_DONE`` flag
+ are mutually exclusive. They can be both cleared however, then the
+ buffer is in "dequeued" state, in the application domain so to
+ say.
+ * .. _`V4L2-BUF-FLAG-ERROR`:
+
+ - ``V4L2_BUF_FLAG_ERROR``
+ - 0x00000040
+ - When this flag is set, the buffer has been dequeued successfully,
+ although the data might have been corrupted. This is recoverable,
+ streaming may continue as normal and the buffer may be reused
+ normally. Drivers set this flag when the ``VIDIOC_DQBUF`` ioctl is
+ called.
+ * .. _`V4L2-BUF-FLAG-KEYFRAME`:
+
+ - ``V4L2_BUF_FLAG_KEYFRAME``
+ - 0x00000008
+ - Drivers set or clear this flag when calling the ``VIDIOC_DQBUF``
+ ioctl. It may be set by video capture devices when the buffer
+ contains a compressed image which is a key frame (or field), i. e.
+ can be decompressed on its own. Also known as an I-frame.
+ Applications can set this bit when ``type`` refers to an output
+ stream.
+ * .. _`V4L2-BUF-FLAG-PFRAME`:
+
+ - ``V4L2_BUF_FLAG_PFRAME``
+ - 0x00000010
+ - Similar to ``V4L2_BUF_FLAG_KEYFRAME`` this flags predicted frames
+ or fields which contain only differences to a previous key frame.
+ Applications can set this bit when ``type`` refers to an output
+ stream.
+ * .. _`V4L2-BUF-FLAG-BFRAME`:
+
+ - ``V4L2_BUF_FLAG_BFRAME``
+ - 0x00000020
+ - Similar to ``V4L2_BUF_FLAG_KEYFRAME`` this flags a bi-directional
+ predicted frame or field which contains only the differences
+ between the current frame and both the preceding and following key
+ frames to specify its content. Applications can set this bit when
+ ``type`` refers to an output stream.
+ * .. _`V4L2-BUF-FLAG-TIMECODE`:
+
+ - ``V4L2_BUF_FLAG_TIMECODE``
+ - 0x00000100
+ - The ``timecode`` field is valid. Drivers set or clear this flag
+ when the ``VIDIOC_DQBUF`` ioctl is called. Applications can set
+ this bit and the corresponding ``timecode`` structure when
+ ``type`` refers to an output stream.
+ * .. _`V4L2-BUF-FLAG-PREPARED`:
+
+ - ``V4L2_BUF_FLAG_PREPARED``
+ - 0x00000400
+ - The buffer has been prepared for I/O and can be queued by the
+ application. Drivers set or clear this flag when the
+ :ref:`VIDIOC_QUERYBUF`,
+ :ref:`VIDIOC_PREPARE_BUF <VIDIOC_QBUF>`,
+ :ref:`VIDIOC_QBUF` or
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called.
+ * .. _`V4L2-BUF-FLAG-NO-CACHE-INVALIDATE`:
+
+ - ``V4L2_BUF_FLAG_NO_CACHE_INVALIDATE``
+ - 0x00000800
+ - Caches do not have to be invalidated for this buffer. Typically
+ applications shall use this flag if the data captured in the
+ buffer is not going to be touched by the CPU, instead the buffer
+ will, probably, be passed on to a DMA-capable hardware unit for
+ further processing or output.
+ * .. _`V4L2-BUF-FLAG-NO-CACHE-CLEAN`:
+
+ - ``V4L2_BUF_FLAG_NO_CACHE_CLEAN``
+ - 0x00001000
+ - Caches do not have to be cleaned for this buffer. Typically
+ applications shall use this flag for output buffers if the data in
+ this buffer has not been created by the CPU but by some
+ DMA-capable unit, in which case caches have not been used.
+ * .. _`V4L2-BUF-FLAG-LAST`:
+
+ - ``V4L2_BUF_FLAG_LAST``
+ - 0x00100000
+ - Last buffer produced by the hardware. mem2mem codec drivers set
+ this flag on the capture queue for the last buffer when the
+ :ref:`VIDIOC_QUERYBUF` or
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl is called. Due to
+ hardware limitations, the last buffer may be empty. In this case
+ the driver will set the ``bytesused`` field to 0, regardless of
+ the format. Any Any subsequent call to the
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
+ but return an ``EPIPE`` error code.
+ * .. _`V4L2-BUF-FLAG-TIMESTAMP-MASK`:
+
+ - ``V4L2_BUF_FLAG_TIMESTAMP_MASK``
+ - 0x0000e000
+ - Mask for timestamp types below. To test the timestamp type, mask
+ out bits not belonging to timestamp type by performing a logical
+ and operation with buffer flags and timestamp mask.
+ * .. _`V4L2-BUF-FLAG-TIMESTAMP-UNKNOWN`:
+
+ - ``V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN``
+ - 0x00000000
+ - Unknown timestamp type. This type is used by drivers before Linux
+ 3.9 and may be either monotonic (see below) or realtime (wall
+ clock). Monotonic clock has been favoured in embedded systems
+ whereas most of the drivers use the realtime clock. Either kinds
+ of timestamps are available in user space via
+ :c:func:`clock_gettime` using clock IDs ``CLOCK_MONOTONIC``
+ and ``CLOCK_REALTIME``, respectively.
+ * .. _`V4L2-BUF-FLAG-TIMESTAMP-MONOTONIC`:
+
+ - ``V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC``
+ - 0x00002000
+ - The buffer timestamp has been taken from the ``CLOCK_MONOTONIC``
+ clock. To access the same clock outside V4L2, use
+ :c:func:`clock_gettime`.
+ * .. _`V4L2-BUF-FLAG-TIMESTAMP-COPY`:
+
+ - ``V4L2_BUF_FLAG_TIMESTAMP_COPY``
+ - 0x00004000
+ - The CAPTURE buffer timestamp has been taken from the corresponding
+ OUTPUT buffer. This flag applies only to mem2mem devices.
+ * .. _`V4L2-BUF-FLAG-TSTAMP-SRC-MASK`:
+
+ - ``V4L2_BUF_FLAG_TSTAMP_SRC_MASK``
+ - 0x00070000
+ - Mask for timestamp sources below. The timestamp source defines the
+ point of time the timestamp is taken in relation to the frame.
+ Logical 'and' operation between the ``flags`` field and
+ ``V4L2_BUF_FLAG_TSTAMP_SRC_MASK`` produces the value of the
+ timestamp source. Applications must set the timestamp source when
+ ``type`` refers to an output stream and
+ ``V4L2_BUF_FLAG_TIMESTAMP_COPY`` is set.
+ * .. _`V4L2-BUF-FLAG-TSTAMP-SRC-EOF`:
+
+ - ``V4L2_BUF_FLAG_TSTAMP_SRC_EOF``
+ - 0x00000000
+ - End Of Frame. The buffer timestamp has been taken when the last
+ pixel of the frame has been received or the last pixel of the
+ frame has been transmitted. In practice, software generated
+ timestamps will typically be read from the clock a small amount of
+ time after the last pixel has been received or transmitten,
+ depending on the system and other activity in it.
+ * .. _`V4L2-BUF-FLAG-TSTAMP-SRC-SOE`:
+
+ - ``V4L2_BUF_FLAG_TSTAMP_SRC_SOE``
+ - 0x00010000
+ - Start Of Exposure. The buffer timestamp has been taken when the
+ exposure of the frame has begun. This is only valid for the
+ ``V4L2_BUF_TYPE_VIDEO_CAPTURE`` buffer type.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_MEMORY_MMAP``
-
- - 1
-
- - The buffer is used for :ref:`memory mapping <mmap>` I/O.
-
- - .. row 2
-
- - ``V4L2_MEMORY_USERPTR``
-
- - 2
-
- - The buffer is used for :ref:`user pointer <userp>` I/O.
-
- - .. row 3
-
- - ``V4L2_MEMORY_OVERLAY``
-
- - 3
-
- - [to do]
-
- - .. row 4
-
- - ``V4L2_MEMORY_DMABUF``
-
- - 4
-
- - The buffer is used for :ref:`DMA shared buffer <dmabuf>` I/O.
+ * - ``V4L2_MEMORY_MMAP``
+ - 1
+ - The buffer is used for :ref:`memory mapping <mmap>` I/O.
+ * - ``V4L2_MEMORY_USERPTR``
+ - 2
+ - The buffer is used for :ref:`user pointer <userp>` I/O.
+ * - ``V4L2_MEMORY_OVERLAY``
+ - 3
+ - [to do]
+ * - ``V4L2_MEMORY_DMABUF``
+ - 4
+ - The buffer is used for :ref:`DMA shared buffer <dmabuf>` I/O.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Frame rate the timecodes are based on, see :ref:`timecode-type`.
-
- - .. row 2
-
- - __u32
-
- - ``flags``
-
- - Timecode flags, see :ref:`timecode-flags`.
-
- - .. row 3
-
- - __u8
-
- - ``frames``
-
- - Frame count, 0 ... 23/24/29/49/59, depending on the type of
- timecode.
-
- - .. row 4
-
- - __u8
-
- - ``seconds``
-
- - Seconds count, 0 ... 59. This is a binary, not BCD number.
-
- - .. row 5
-
- - __u8
-
- - ``minutes``
-
- - Minutes count, 0 ... 59. This is a binary, not BCD number.
-
- - .. row 6
-
- - __u8
-
- - ``hours``
-
- - Hours count, 0 ... 29. This is a binary, not BCD number.
-
- - .. row 7
-
- - __u8
-
- - ``userbits``\ [4]
-
- - The "user group" bits from the timecode.
+ * - __u32
+ - ``type``
+ - Frame rate the timecodes are based on, see :ref:`timecode-type`.
+ * - __u32
+ - ``flags``
+ - Timecode flags, see :ref:`timecode-flags`.
+ * - __u8
+ - ``frames``
+ - Frame count, 0 ... 23/24/29/49/59, depending on the type of
+ timecode.
+ * - __u8
+ - ``seconds``
+ - Seconds count, 0 ... 59. This is a binary, not BCD number.
+ * - __u8
+ - ``minutes``
+ - Minutes count, 0 ... 59. This is a binary, not BCD number.
+ * - __u8
+ - ``hours``
+ - Hours count, 0 ... 29. This is a binary, not BCD number.
+ * - __u8
+ - ``userbits``\ [4]
+ - The "user group" bits from the timecode.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TC_TYPE_24FPS``
-
- - 1
-
- - 24 frames per second, i. e. film.
-
- - .. row 2
-
- - ``V4L2_TC_TYPE_25FPS``
-
- - 2
-
- - 25 frames per second, i. e. PAL or SECAM video.
-
- - .. row 3
-
- - ``V4L2_TC_TYPE_30FPS``
-
- - 3
-
- - 30 frames per second, i. e. NTSC video.
-
- - .. row 4
-
- - ``V4L2_TC_TYPE_50FPS``
-
- - 4
-
- -
-
- - .. row 5
-
- - ``V4L2_TC_TYPE_60FPS``
-
- - 5
-
- -
+ * - ``V4L2_TC_TYPE_24FPS``
+ - 1
+ - 24 frames per second, i. e. film.
+ * - ``V4L2_TC_TYPE_25FPS``
+ - 2
+ - 25 frames per second, i. e. PAL or SECAM video.
+ * - ``V4L2_TC_TYPE_30FPS``
+ - 3
+ - 30 frames per second, i. e. NTSC video.
+ * - ``V4L2_TC_TYPE_50FPS``
+ - 4
+ -
+ * - ``V4L2_TC_TYPE_60FPS``
+ - 5
+ -
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TC_FLAG_DROPFRAME``
-
- - 0x0001
-
- - Indicates "drop frame" semantics for counting frames in 29.97 fps
- material. When set, frame numbers 0 and 1 at the start of each
- minute, except minutes 0, 10, 20, 30, 40, 50 are omitted from the
- count.
-
- - .. row 2
-
- - ``V4L2_TC_FLAG_COLORFRAME``
-
- - 0x0002
-
- - The "color frame" flag.
-
- - .. row 3
-
- - ``V4L2_TC_USERBITS_field``
-
- - 0x000C
-
- - Field mask for the "binary group flags".
-
- - .. row 4
-
- - ``V4L2_TC_USERBITS_USERDEFINED``
-
- - 0x0000
-
- - Unspecified format.
-
- - .. row 5
-
- - ``V4L2_TC_USERBITS_8BITCHARS``
-
- - 0x0008
-
- - 8-bit ISO characters.
+ * - ``V4L2_TC_FLAG_DROPFRAME``
+ - 0x0001
+ - Indicates "drop frame" semantics for counting frames in 29.97 fps
+ material. When set, frame numbers 0 and 1 at the start of each
+ minute, except minutes 0, 10, 20, 30, 40, 50 are omitted from the
+ count.
+ * - ``V4L2_TC_FLAG_COLORFRAME``
+ - 0x0002
+ - The "color frame" flag.
+ * - ``V4L2_TC_USERBITS_field``
+ - 0x000C
+ - Field mask for the "binary group flags".
+ * - ``V4L2_TC_USERBITS_USERDEFINED``
+ - 0x0000
+ - Unspecified format.
+ * - ``V4L2_TC_USERBITS_8BITCHARS``
+ - 0x0008
+ - 8-bit ISO characters.
:stub-columns: 0
:widths: 11 24
- - .. row 1
-
- - ``V4L2_COLORFX_NONE``
-
- - Color effect is disabled.
-
- - .. row 2
-
- - ``V4L2_COLORFX_ANTIQUE``
-
- - An aging (old photo) effect.
-
- - .. row 3
-
- - ``V4L2_COLORFX_ART_FREEZE``
-
- - Frost color effect.
-
- - .. row 4
-
- - ``V4L2_COLORFX_AQUA``
-
- - Water color, cool tone.
-
- - .. row 5
-
- - ``V4L2_COLORFX_BW``
-
- - Black and white.
-
- - .. row 6
-
- - ``V4L2_COLORFX_EMBOSS``
-
- - Emboss, the highlights and shadows replace light/dark boundaries
- and low contrast areas are set to a gray background.
-
- - .. row 7
-
- - ``V4L2_COLORFX_GRASS_GREEN``
-
- - Grass green.
-
- - .. row 8
-
- - ``V4L2_COLORFX_NEGATIVE``
-
- - Negative.
-
- - .. row 9
-
- - ``V4L2_COLORFX_SEPIA``
-
- - Sepia tone.
-
- - .. row 10
-
- - ``V4L2_COLORFX_SKETCH``
-
- - Sketch.
-
- - .. row 11
-
- - ``V4L2_COLORFX_SKIN_WHITEN``
-
- - Skin whiten.
-
- - .. row 12
-
- - ``V4L2_COLORFX_SKY_BLUE``
-
- - Sky blue.
-
- - .. row 13
-
- - ``V4L2_COLORFX_SOLARIZATION``
-
- - Solarization, the image is partially reversed in tone, only color
- values above or below a certain threshold are inverted.
-
- - .. row 14
-
- - ``V4L2_COLORFX_SILHOUETTE``
-
- - Silhouette (outline).
-
- - .. row 15
-
- - ``V4L2_COLORFX_VIVID``
-
- - Vivid colors.
-
- - .. row 16
-
- - ``V4L2_COLORFX_SET_CBCR``
-
- - The Cb and Cr chroma components are replaced by fixed coefficients
- determined by ``V4L2_CID_COLORFX_CBCR`` control.
+ * - ``V4L2_COLORFX_NONE``
+ - Color effect is disabled.
+ * - ``V4L2_COLORFX_ANTIQUE``
+ - An aging (old photo) effect.
+ * - ``V4L2_COLORFX_ART_FREEZE``
+ - Frost color effect.
+ * - ``V4L2_COLORFX_AQUA``
+ - Water color, cool tone.
+ * - ``V4L2_COLORFX_BW``
+ - Black and white.
+ * - ``V4L2_COLORFX_EMBOSS``
+ - Emboss, the highlights and shadows replace light/dark boundaries
+ and low contrast areas are set to a gray background.
+ * - ``V4L2_COLORFX_GRASS_GREEN``
+ - Grass green.
+ * - ``V4L2_COLORFX_NEGATIVE``
+ - Negative.
+ * - ``V4L2_COLORFX_SEPIA``
+ - Sepia tone.
+ * - ``V4L2_COLORFX_SKETCH``
+ - Sketch.
+ * - ``V4L2_COLORFX_SKIN_WHITEN``
+ - Skin whiten.
+ * - ``V4L2_COLORFX_SKY_BLUE``
+ - Sky blue.
+ * - ``V4L2_COLORFX_SOLARIZATION``
+ - Solarization, the image is partially reversed in tone, only color
+ values above or below a certain threshold are inverted.
+ * - ``V4L2_COLORFX_SILHOUETTE``
+ - Silhouette (outline).
+ * - ``V4L2_COLORFX_VIVID``
+ - Vivid colors.
+ * - ``V4L2_COLORFX_SET_CBCR``
+ - The Cb and Cr chroma components are replaced by fixed coefficients
+ determined by ``V4L2_CID_COLORFX_CBCR`` control.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``sampling_rate``
-
- - Samples per second, i. e. unit 1 Hz.
-
- - .. row 2
-
- - __u32
-
- - ``offset``
-
- - Horizontal offset of the VBI image, relative to the leading edge
- of the line synchronization pulse and counted in samples: The
- first sample in the VBI image will be located ``offset`` /
- ``sampling_rate`` seconds following the leading edge. See also
- :ref:`vbi-hsync`.
-
- - .. row 3
-
- - __u32
-
- - ``samples_per_line``
-
- -
-
- - .. row 4
-
- - __u32
-
- - ``sample_format``
-
- - Defines the sample format as in :ref:`pixfmt`, a
- four-character-code. [#f2]_ Usually this is ``V4L2_PIX_FMT_GREY``,
- i. e. each sample consists of 8 bits with lower values oriented
- towards the black level. Do not assume any other correlation of
- values with the signal level. For example, the MSB does not
- necessarily indicate if the signal is 'high' or 'low' because 128
- may not be the mean value of the signal. Drivers shall not convert
- the sample format by software.
-
- - .. row 5
-
- - __u32
-
- - ``start``\ [#f2]_
-
- - This is the scanning system line number associated with the first
- line of the VBI image, of the first and the second field
- respectively. See :ref:`vbi-525` and :ref:`vbi-625` for valid
- values. The ``V4L2_VBI_ITU_525_F1_START``,
- ``V4L2_VBI_ITU_525_F2_START``, ``V4L2_VBI_ITU_625_F1_START`` and
- ``V4L2_VBI_ITU_625_F2_START`` defines give the start line numbers
- for each field for each 525 or 625 line format as a convenience.
- Don't forget that ITU line numbering starts at 1, not 0. VBI input
- drivers can return start values 0 if the hardware cannot reliable
- identify scanning lines, VBI acquisition may not require this
- information.
-
- - .. row 6
-
- - __u32
-
- - ``count``\ [#f2]_
-
- - The number of lines in the first and second field image,
- respectively.
-
- - .. row 7
-
- - :cspan:`2`
-
- Drivers should be as flexibility as possible. For example, it may
- be possible to extend or move the VBI capture window down to the
- picture area, implementing a 'full field mode' to capture data
- service transmissions embedded in the picture.
-
- An application can set the first or second ``count`` value to zero
- if no data is required from the respective field; ``count``\ [1]
- if the scanning system is progressive, i. e. not interlaced. The
- corresponding start value shall be ignored by the application and
- driver. Anyway, drivers may not support single field capturing and
- return both count values non-zero.
-
- Both ``count`` values set to zero, or line numbers are outside the
- bounds depicted\ [#f4]_, or a field image covering lines of two
- fields, are invalid and shall not be returned by the driver.
-
- To initialize the ``start`` and ``count`` fields, applications
- must first determine the current video standard selection. The
- :ref:`v4l2_std_id <v4l2-std-id>` or the ``framelines`` field
- of struct :c:type:`v4l2_standard` can be evaluated
- for this purpose.
-
- - .. row 8
-
- - __u32
-
- - ``flags``
-
- - See :ref:`vbifmt-flags` below. Currently only drivers set flags,
- applications must set this field to zero.
-
- - .. row 9
-
- - __u32
-
- - ``reserved``\ [#f2]_
-
- - This array is reserved for future extensions. Drivers and
- applications must set it to zero.
+ * - __u32
+ - ``sampling_rate``
+ - Samples per second, i. e. unit 1 Hz.
+ * - __u32
+ - ``offset``
+ - Horizontal offset of the VBI image, relative to the leading edge
+ of the line synchronization pulse and counted in samples: The
+ first sample in the VBI image will be located ``offset`` /
+ ``sampling_rate`` seconds following the leading edge. See also
+ :ref:`vbi-hsync`.
+ * - __u32
+ - ``samples_per_line``
+ -
+ * - __u32
+ - ``sample_format``
+ - Defines the sample format as in :ref:`pixfmt`, a
+ four-character-code. [#f2]_ Usually this is ``V4L2_PIX_FMT_GREY``,
+ i. e. each sample consists of 8 bits with lower values oriented
+ towards the black level. Do not assume any other correlation of
+ values with the signal level. For example, the MSB does not
+ necessarily indicate if the signal is 'high' or 'low' because 128
+ may not be the mean value of the signal. Drivers shall not convert
+ the sample format by software.
+ * - __u32
+ - ``start``\ [#f2]_
+ - This is the scanning system line number associated with the first
+ line of the VBI image, of the first and the second field
+ respectively. See :ref:`vbi-525` and :ref:`vbi-625` for valid
+ values. The ``V4L2_VBI_ITU_525_F1_START``,
+ ``V4L2_VBI_ITU_525_F2_START``, ``V4L2_VBI_ITU_625_F1_START`` and
+ ``V4L2_VBI_ITU_625_F2_START`` defines give the start line numbers
+ for each field for each 525 or 625 line format as a convenience.
+ Don't forget that ITU line numbering starts at 1, not 0. VBI input
+ drivers can return start values 0 if the hardware cannot reliable
+ identify scanning lines, VBI acquisition may not require this
+ information.
+ * - __u32
+ - ``count``\ [#f2]_
+ - The number of lines in the first and second field image,
+ respectively.
+ * - :cspan:`2`
+
+ Drivers should be as flexibility as possible. For example, it may
+ be possible to extend or move the VBI capture window down to the
+ picture area, implementing a 'full field mode' to capture data
+ service transmissions embedded in the picture.
+
+ An application can set the first or second ``count`` value to zero
+ if no data is required from the respective field; ``count``\ [1]
+ if the scanning system is progressive, i. e. not interlaced. The
+ corresponding start value shall be ignored by the application and
+ driver. Anyway, drivers may not support single field capturing and
+ return both count values non-zero.
+
+ Both ``count`` values set to zero, or line numbers are outside the
+ bounds depicted\ [#f4]_, or a field image covering lines of two
+ fields, are invalid and shall not be returned by the driver.
+
+ To initialize the ``start`` and ``count`` fields, applications
+ must first determine the current video standard selection. The
+ :ref:`v4l2_std_id <v4l2-std-id>` or the ``framelines`` field
+ of struct :c:type:`v4l2_standard` can be evaluated
+ for this purpose.
+ * - __u32
+ - ``flags``
+ - See :ref:`vbifmt-flags` below. Currently only drivers set flags,
+ applications must set this field to zero.
+ * - __u32
+ - ``reserved``\ [#f2]_
+ - This array is reserved for future extensions. Drivers and
+ applications must set it to zero.
.. tabularcolumns:: |p{4.0cm}|p{1.5cm}|p{12.0cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_VBI_UNSYNC``
-
- - 0x0001
-
- - This flag indicates hardware which does not properly distinguish
- between fields. Normally the VBI image stores the first field
- (lower scanning line numbers) first in memory. This may be a top
- or bottom field depending on the video standard. When this flag is
- set the first or second field may be stored first, however the
- fields are still in correct temporal order with the older field
- first in memory. [#f3]_
-
- - .. row 2
-
- - ``V4L2_VBI_INTERLACED``
-
- - 0x0002
-
- - By default the two field images will be passed sequentially; all
- lines of the first field followed by all lines of the second field
- (compare :ref:`field-order` ``V4L2_FIELD_SEQ_TB`` and
- ``V4L2_FIELD_SEQ_BT``, whether the top or bottom field is first in
- memory depends on the video standard). When this flag is set, the
- two fields are interlaced (cf. ``V4L2_FIELD_INTERLACED``). The
- first line of the first field followed by the first line of the
- second field, then the two second lines, and so on. Such a layout
- may be necessary when the hardware has been programmed to capture
- or output interlaced video images and is unable to separate the
- fields for VBI capturing at the same time. For simplicity setting
- this flag implies that both ``count`` values are equal and
- non-zero.
+ * - ``V4L2_VBI_UNSYNC``
+ - 0x0001
+ - This flag indicates hardware which does not properly distinguish
+ between fields. Normally the VBI image stores the first field
+ (lower scanning line numbers) first in memory. This may be a top
+ or bottom field depending on the video standard. When this flag is
+ set the first or second field may be stored first, however the
+ fields are still in correct temporal order with the older field
+ first in memory. [#f3]_
+ * - ``V4L2_VBI_INTERLACED``
+ - 0x0002
+ - By default the two field images will be passed sequentially; all
+ lines of the first field followed by all lines of the second field
+ (compare :ref:`field-order` ``V4L2_FIELD_SEQ_TB`` and
+ ``V4L2_FIELD_SEQ_BT``, whether the top or bottom field is first in
+ memory depends on the video standard). When this flag is set, the
+ two fields are interlaced (cf. ``V4L2_FIELD_INTERLACED``). The
+ first line of the first field followed by the first line of the
+ second field, then the two second lines, and so on. Such a layout
+ may be necessary when the hardware has been programmed to capture
+ or output interlaced video images and is unable to separate the
+ fields for VBI capturing at the same time. For simplicity setting
+ this flag implies that both ``count`` values are equal and
+ non-zero.
:stub-columns: 0
:widths: 1 1 5
-
- - .. row 1
-
- - __u8
-
- - ``lsb``
-
- - Least Significant Byte of RDS Block
-
- - .. row 2
-
- - __u8
-
- - ``msb``
-
- - Most Significant Byte of RDS Block
-
- - .. row 3
-
- - __u8
-
- - ``block``
-
- - Block description
+ * - __u8
+ - ``lsb``
+ - Least Significant Byte of RDS Block
+ * - __u8
+ - ``msb``
+ - Most Significant Byte of RDS Block
+ * - __u8
+ - ``block``
+ - Block description
:stub-columns: 0
:widths: 1 5
-
- - .. row 1
-
- - Bits 0-2
-
- - Block (aka offset) of the received data.
-
- - .. row 2
-
- - Bits 3-5
-
- - Deprecated. Currently identical to bits 0-2. Do not use these
- bits.
-
- - .. row 3
-
- - Bit 6
-
- - Corrected bit. Indicates that an error was corrected for this data
- block.
-
- - .. row 4
-
- - Bit 7
-
- - Error bit. Indicates that an uncorrectable error occurred during
- reception of this block.
+ * - Bits 0-2
+ - Block (aka offset) of the received data.
+ * - Bits 3-5
+ - Deprecated. Currently identical to bits 0-2. Do not use these
+ bits.
+ * - Bit 6
+ - Corrected bit. Indicates that an error was corrected for this data
+ block.
+ * - Bit 7
+ - Error bit. Indicates that an uncorrectable error occurred during
+ reception of this block.
:stub-columns: 0
:widths: 1 1 1 5
-
- - .. row 1
-
- - V4L2_RDS_BLOCK_MSK
-
- -
- - 7
-
- - Mask for bits 0-2 to get the block ID.
-
- - .. row 2
-
- - V4L2_RDS_BLOCK_A
-
- -
- - 0
-
- - Block A.
-
- - .. row 3
-
- - V4L2_RDS_BLOCK_B
-
- -
- - 1
-
- - Block B.
-
- - .. row 4
-
- - V4L2_RDS_BLOCK_C
-
- -
- - 2
-
- - Block C.
-
- - .. row 5
-
- - V4L2_RDS_BLOCK_D
-
- -
- - 3
-
- - Block D.
-
- - .. row 6
-
- - V4L2_RDS_BLOCK_C_ALT
-
- -
- - 4
-
- - Block C'.
-
- - .. row 7
-
- - V4L2_RDS_BLOCK_INVALID
-
- - read-only
-
- - 7
-
- - An invalid block.
-
- - .. row 8
-
- - V4L2_RDS_BLOCK_CORRECTED
-
- - read-only
-
- - 0x40
-
- - A bit error was detected but corrected.
-
- - .. row 9
-
- - V4L2_RDS_BLOCK_ERROR
-
- - read-only
-
- - 0x80
-
- - An uncorrectable error occurred.
+ * - V4L2_RDS_BLOCK_MSK
+ -
+ - 7
+ - Mask for bits 0-2 to get the block ID.
+ * - V4L2_RDS_BLOCK_A
+ -
+ - 0
+ - Block A.
+ * - V4L2_RDS_BLOCK_B
+ -
+ - 1
+ - Block B.
+ * - V4L2_RDS_BLOCK_C
+ -
+ - 2
+ - Block C.
+ * - V4L2_RDS_BLOCK_D
+ -
+ - 3
+ - Block D.
+ * - V4L2_RDS_BLOCK_C_ALT
+ -
+ - 4
+ - Block C'.
+ * - V4L2_RDS_BLOCK_INVALID
+ - read-only
+ - 7
+ - An invalid block.
+ * - V4L2_RDS_BLOCK_CORRECTED
+ - read-only
+ - 0x40
+ - A bit error was detected but corrected.
+ * - V4L2_RDS_BLOCK_ERROR
+ - read-only
+ - 0x80
+ - An uncorrectable error occurred.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pixelformat``
-
- - The data format or type of compression, set by the application.
- This is a little endian
- :ref:`four character code <v4l2-fourcc>`. V4L2 defines SDR
- formats in :ref:`sdr-formats`.
-
- - .. row 2
-
- - __u32
-
- - ``buffersize``
-
- - Maximum size in bytes required for data. Value is set by the
- driver.
-
- - .. row 3
-
- - __u8
-
- - ``reserved[24]``
-
- - This array is reserved for future extensions. Drivers and
- applications must set it to zero.
+ * - __u32
+ - ``pixelformat``
+ - The data format or type of compression, set by the application.
+ This is a little endian
+ :ref:`four character code <v4l2-fourcc>`. V4L2 defines SDR
+ formats in :ref:`sdr-formats`.
+ * - __u32
+ - ``buffersize``
+ - Maximum size in bytes required for data. Value is set by the
+ driver.
+ * - __u8
+ - ``reserved[24]``
+ - This array is reserved for future extensions. Drivers and
+ applications must set it to zero.
An SDR device may support :ref:`read/write <rw>` and/or streaming
:stub-columns: 0
:widths: 3 3 2 2 2
-
- - .. row 1
-
- - __u32
-
- - ``service_set``
-
- - :cspan:`2`
-
- If ``service_set`` is non-zero when passed with
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
- :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`, the ``service_lines``
- array will be filled by the driver according to the services
- specified in this field. For example, if ``service_set`` is
- initialized with ``V4L2_SLICED_TELETEXT_B | V4L2_SLICED_WSS_625``,
- a driver for the cx25840 video decoder sets lines 7-22 of both
- fields [#f1]_ to ``V4L2_SLICED_TELETEXT_B`` and line 23 of the first
- field to ``V4L2_SLICED_WSS_625``. If ``service_set`` is set to
- zero, then the values of ``service_lines`` will be used instead.
-
- On return the driver sets this field to the union of all elements
- of the returned ``service_lines`` array. It may contain less
- services than requested, perhaps just one, if the hardware cannot
- handle more services simultaneously. It may be empty (zero) if
- none of the requested services are supported by the hardware.
-
- - .. row 2
-
- - __u16
-
- - ``service_lines``\ [2][24]
-
- - :cspan:`2`
-
- Applications initialize this array with sets of data services the
- driver shall look for or insert on the respective scan line.
- Subject to hardware capabilities drivers return the requested set,
- a subset, which may be just a single service, or an empty set.
- When the hardware cannot handle multiple services on the same line
- the driver shall choose one. No assumptions can be made on which
- service the driver chooses.
-
- Data services are defined in :ref:`vbi-services2`. Array indices
- map to ITU-R line numbers\ [#f2]_ as follows:
-
- - .. row 3
-
- -
- -
- - Element
-
- - 525 line systems
-
- - 625 line systems
-
- - .. row 4
-
- -
- -
- - ``service_lines``\ [0][1]
-
- - 1
-
- - 1
-
- - .. row 5
-
- -
- -
- - ``service_lines``\ [0][23]
-
- - 23
-
- - 23
-
- - .. row 6
-
- -
- -
- - ``service_lines``\ [1][1]
-
- - 264
-
- - 314
-
- - .. row 7
-
- -
- -
- - ``service_lines``\ [1][23]
-
- - 286
-
- - 336
-
- - .. row 8
-
- -
- -
- - :cspan:`2` Drivers must set ``service_lines`` [0][0] and
- ``service_lines``\ [1][0] to zero. The
- ``V4L2_VBI_ITU_525_F1_START``, ``V4L2_VBI_ITU_525_F2_START``,
- ``V4L2_VBI_ITU_625_F1_START`` and ``V4L2_VBI_ITU_625_F2_START``
- defines give the start line numbers for each field for each 525 or
- 625 line format as a convenience. Don't forget that ITU line
- numbering starts at 1, not 0.
-
- - .. row 9
-
- - __u32
-
- - ``io_size``
-
- - :cspan:`2` Maximum number of bytes passed by one
- :ref:`read() <func-read>` or :ref:`write() <func-write>` call,
- and the buffer size in bytes for the
- :ref:`VIDIOC_QBUF` and
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. Drivers set this field
- to the size of struct
- :c:type:`v4l2_sliced_vbi_data` times the
- number of non-zero elements in the returned ``service_lines``
- array (that is the number of lines potentially carrying data).
-
- - .. row 10
-
- - __u32
-
- - ``reserved``\ [2]
-
- - :cspan:`2` This array is reserved for future extensions.
-
- Applications and drivers must set it to zero.
+ * - __u32
+ - ``service_set``
+ - :cspan:`2`
+
+ If ``service_set`` is non-zero when passed with
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
+ :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`, the ``service_lines``
+ array will be filled by the driver according to the services
+ specified in this field. For example, if ``service_set`` is
+ initialized with ``V4L2_SLICED_TELETEXT_B | V4L2_SLICED_WSS_625``,
+ a driver for the cx25840 video decoder sets lines 7-22 of both
+ fields [#f1]_ to ``V4L2_SLICED_TELETEXT_B`` and line 23 of the first
+ field to ``V4L2_SLICED_WSS_625``. If ``service_set`` is set to
+ zero, then the values of ``service_lines`` will be used instead.
+
+ On return the driver sets this field to the union of all elements
+ of the returned ``service_lines`` array. It may contain less
+ services than requested, perhaps just one, if the hardware cannot
+ handle more services simultaneously. It may be empty (zero) if
+ none of the requested services are supported by the hardware.
+ * - __u16
+ - ``service_lines``\ [2][24]
+ - :cspan:`2`
+
+ Applications initialize this array with sets of data services the
+ driver shall look for or insert on the respective scan line.
+ Subject to hardware capabilities drivers return the requested set,
+ a subset, which may be just a single service, or an empty set.
+ When the hardware cannot handle multiple services on the same line
+ the driver shall choose one. No assumptions can be made on which
+ service the driver chooses.
+
+ Data services are defined in :ref:`vbi-services2`. Array indices
+ map to ITU-R line numbers\ [#f2]_ as follows:
+ * -
+ -
+ - Element
+ - 525 line systems
+ - 625 line systems
+ * -
+ -
+ - ``service_lines``\ [0][1]
+ - 1
+ - 1
+ * -
+ -
+ - ``service_lines``\ [0][23]
+ - 23
+ - 23
+ * -
+ -
+ - ``service_lines``\ [1][1]
+ - 264
+ - 314
+ * -
+ -
+ - ``service_lines``\ [1][23]
+ - 286
+ - 336
+ * -
+ -
+ - :cspan:`2` Drivers must set ``service_lines`` [0][0] and
+ ``service_lines``\ [1][0] to zero. The
+ ``V4L2_VBI_ITU_525_F1_START``, ``V4L2_VBI_ITU_525_F2_START``,
+ ``V4L2_VBI_ITU_625_F1_START`` and ``V4L2_VBI_ITU_625_F2_START``
+ defines give the start line numbers for each field for each 525 or
+ 625 line format as a convenience. Don't forget that ITU line
+ numbering starts at 1, not 0.
+ * - __u32
+ - ``io_size``
+ - :cspan:`2` Maximum number of bytes passed by one
+ :ref:`read() <func-read>` or :ref:`write() <func-write>` call,
+ and the buffer size in bytes for the
+ :ref:`VIDIOC_QBUF` and
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. Drivers set this field
+ to the size of struct
+ :c:type:`v4l2_sliced_vbi_data` times the
+ number of non-zero elements in the returned ``service_lines``
+ array (that is the number of lines potentially carrying data).
+ * - __u32
+ - ``reserved``\ [2]
+ - :cspan:`2` This array is reserved for future extensions.
+
+ Applications and drivers must set it to zero.
.. _vbi-services2:
:stub-columns: 0
:widths: 2 1 1 2 2
-
- - .. row 1
-
- - Symbol
-
- - Value
-
- - Reference
-
- - Lines, usually
-
- - Payload
-
- - .. row 2
-
- - ``V4L2_SLICED_TELETEXT_B`` (Teletext System B)
-
- - 0x0001
-
- - :ref:`ets300706`,
-
- :ref:`itu653`
-
- - PAL/SECAM line 7-22, 320-335 (second field 7-22)
-
- - Last 42 of the 45 byte Teletext packet, that is without clock
- run-in and framing code, lsb first transmitted.
-
- - .. row 3
-
- - ``V4L2_SLICED_VPS``
-
- - 0x0400
-
- - :ref:`ets300231`
-
- - PAL line 16
-
- - Byte number 3 to 15 according to Figure 9 of ETS 300 231, lsb
- first transmitted.
-
- - .. row 4
-
- - ``V4L2_SLICED_CAPTION_525``
-
- - 0x1000
-
- - :ref:`cea608`
-
- - NTSC line 21, 284 (second field 21)
-
- - Two bytes in transmission order, including parity bit, lsb first
- transmitted.
-
- - .. row 5
-
- - ``V4L2_SLICED_WSS_625``
-
- - 0x4000
-
- - :ref:`itu1119`,
-
- :ref:`en300294`
-
- - PAL/SECAM line 23
-
- -
-
- ::
-
- Byte 0 1
- msb lsb msb lsb
- Bit 7 6 5 4 3 2 1 0 x x 13 12 11 10 9
-
- - .. row 6
-
- - ``V4L2_SLICED_VBI_525``
-
- - 0x1000
-
- - :cspan:`2` Set of services applicable to 525 line systems.
-
- - .. row 7
-
- - ``V4L2_SLICED_VBI_625``
-
- - 0x4401
-
- - :cspan:`2` Set of services applicable to 625 line systems.
+ * - Symbol
+ - Value
+ - Reference
+ - Lines, usually
+ - Payload
+ * - ``V4L2_SLICED_TELETEXT_B`` (Teletext System B)
+ - 0x0001
+ - :ref:`ets300706`,
+
+ :ref:`itu653`
+ - PAL/SECAM line 7-22, 320-335 (second field 7-22)
+ - Last 42 of the 45 byte Teletext packet, that is without clock
+ run-in and framing code, lsb first transmitted.
+ * - ``V4L2_SLICED_VPS``
+ - 0x0400
+ - :ref:`ets300231`
+ - PAL line 16
+ - Byte number 3 to 15 according to Figure 9 of ETS 300 231, lsb
+ first transmitted.
+ * - ``V4L2_SLICED_CAPTION_525``
+ - 0x1000
+ - :ref:`cea608`
+ - NTSC line 21, 284 (second field 21)
+ - Two bytes in transmission order, including parity bit, lsb first
+ transmitted.
+ * - ``V4L2_SLICED_WSS_625``
+ - 0x4000
+ - :ref:`itu1119`,
+
+ :ref:`en300294`
+ - PAL/SECAM line 23
+ -
+
+ ::
+
+ Byte 0 1
+ msb lsb msb lsb
+ Bit 7 6 5 4 3 2 1 0 x x 13 12 11 10 9
+ * - ``V4L2_SLICED_VBI_525``
+ - 0x1000
+ - :cspan:`2` Set of services applicable to 525 line systems.
+ * - ``V4L2_SLICED_VBI_625``
+ - 0x4401
+ - :cspan:`2` Set of services applicable to 625 line systems.
.. raw:: latex
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - __u32
-
- - ``id``
-
- - A flag from :ref:`vbi-services` identifying the type of data in
- this packet. Only a single bit must be set. When the ``id`` of a
- captured packet is zero, the packet is empty and the contents of
- other fields are undefined. Applications shall ignore empty
- packets. When the ``id`` of a packet for output is zero the
- contents of the ``data`` field are undefined and the driver must
- no longer insert data on the requested ``field`` and ``line``.
-
- - .. row 2
-
- - __u32
-
- - ``field``
-
- - The video field number this data has been captured from, or shall
- be inserted at. ``0`` for the first field, ``1`` for the second
- field.
-
- - .. row 3
-
- - __u32
-
- - ``line``
-
- - The field (as opposed to frame) line number this data has been
- captured from, or shall be inserted at. See :ref:`vbi-525` and
- :ref:`vbi-625` for valid values. Sliced VBI capture devices can
- set the line number of all packets to ``0`` if the hardware cannot
- reliably identify scan lines. The field number must always be
- valid.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``
-
- - This field is reserved for future extensions. Applications and
- drivers must set it to zero.
-
- - .. row 5
-
- - __u8
-
- - ``data``\ [48]
-
- - The packet payload. See :ref:`vbi-services` for the contents and
- number of bytes passed for each data type. The contents of padding
- bytes at the end of this array are undefined, drivers and
- applications shall ignore them.
+ * - __u32
+ - ``id``
+ - A flag from :ref:`vbi-services` identifying the type of data in
+ this packet. Only a single bit must be set. When the ``id`` of a
+ captured packet is zero, the packet is empty and the contents of
+ other fields are undefined. Applications shall ignore empty
+ packets. When the ``id`` of a packet for output is zero the
+ contents of the ``data`` field are undefined and the driver must
+ no longer insert data on the requested ``field`` and ``line``.
+ * - __u32
+ - ``field``
+ - The video field number this data has been captured from, or shall
+ be inserted at. ``0`` for the first field, ``1`` for the second
+ field.
+ * - __u32
+ - ``line``
+ - The field (as opposed to frame) line number this data has been
+ captured from, or shall be inserted at. See :ref:`vbi-525` and
+ :ref:`vbi-625` for valid values. Sliced VBI capture devices can
+ set the line number of all packets to ``0`` if the hardware cannot
+ reliably identify scan lines. The field number must always be
+ valid.
+ * - __u32
+ - ``reserved``
+ - This field is reserved for future extensions. Applications and
+ drivers must set it to zero.
+ * - __u8
+ - ``data``\ [48]
+ - The packet payload. See :ref:`vbi-services` for the contents and
+ number of bytes passed for each data type. The contents of padding
+ bytes at the end of this array are undefined, drivers and
+ applications shall ignore them.
Packets are always passed in ascending line number order, without
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u8
-
- - ``magic``\ [4]
-
- -
- - A "magic" constant from :ref:`v4l2-mpeg-vbi-fmt-ivtv-magic` that
- indicates this is a valid sliced VBI data payload and also
- indicates which member of the anonymous union, ``itv0`` or
- ``ITV0``, to use for the payload data.
-
- - .. row 2
-
- - union
-
- - (anonymous)
-
- - .. row 3
-
- -
- - struct :c:type:`v4l2_mpeg_vbi_itv0`
-
- - ``itv0``
-
- - The primary form of the sliced VBI data payload that contains
- anywhere from 1 to 35 lines of sliced VBI data. Line masks are
- provided in this form of the payload indicating which VBI lines
- are provided.
-
- - .. row 4
-
- -
- - struct :ref:`v4l2_mpeg_vbi_ITV0 <v4l2-mpeg-vbi-itv0-1>`
-
- - ``ITV0``
-
- - An alternate form of the sliced VBI data payload used when 36
- lines of sliced VBI data are present. No line masks are provided
- in this form of the payload; all valid line mask bits are
- implcitly set.
+ * - __u8
+ - ``magic``\ [4]
+ -
+ - A "magic" constant from :ref:`v4l2-mpeg-vbi-fmt-ivtv-magic` that
+ indicates this is a valid sliced VBI data payload and also
+ indicates which member of the anonymous union, ``itv0`` or
+ ``ITV0``, to use for the payload data.
+ * - union
+ - (anonymous)
+ * -
+ - struct :c:type:`v4l2_mpeg_vbi_itv0`
+ - ``itv0``
+ - The primary form of the sliced VBI data payload that contains
+ anywhere from 1 to 35 lines of sliced VBI data. Line masks are
+ provided in this form of the payload indicating which VBI lines
+ are provided.
+ * -
+ - struct :ref:`v4l2_mpeg_vbi_ITV0 <v4l2-mpeg-vbi-itv0-1>`
+ - ``ITV0``
+ - An alternate form of the sliced VBI data payload used when 36
+ lines of sliced VBI data are present. No line masks are provided
+ in this form of the payload; all valid line mask bits are
+ implcitly set.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - Defined Symbol
-
- - Value
-
- - Description
-
- - .. row 2
-
- - ``V4L2_MPEG_VBI_IVTV_MAGIC0``
-
- - "itv0"
-
- - Indicates the ``itv0`` member of the union in struct
- :c:type:`v4l2_mpeg_vbi_fmt_ivtv` is
- valid.
-
- - .. row 3
-
- - ``V4L2_MPEG_VBI_IVTV_MAGIC1``
-
- - "ITV0"
-
- - Indicates the ``ITV0`` member of the union in struct
- :c:type:`v4l2_mpeg_vbi_fmt_ivtv` is
- valid and that 36 lines of sliced VBI data are present.
+ * - Defined Symbol
+ - Value
+ - Description
+ * - ``V4L2_MPEG_VBI_IVTV_MAGIC0``
+ - "itv0"
+ - Indicates the ``itv0`` member of the union in struct
+ :c:type:`v4l2_mpeg_vbi_fmt_ivtv` is
+ valid.
+ * - ``V4L2_MPEG_VBI_IVTV_MAGIC1``
+ - "ITV0"
+ - Indicates the ``ITV0`` member of the union in struct
+ :c:type:`v4l2_mpeg_vbi_fmt_ivtv` is
+ valid and that 36 lines of sliced VBI data are present.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __le32
-
- - ``linemask``\ [2]
-
- - Bitmasks indicating the VBI service lines present. These
- ``linemask`` values are stored in little endian byte order in the
- MPEG stream. Some reference ``linemask`` bit positions with their
- corresponding VBI line number and video field are given below.
- b\ :sub:`0` indicates the least significant bit of a ``linemask``
- value:
-
-
-
- ::
-
- linemask[0] b0: line 6 first field
- linemask[0] b17: line 23 first field
- linemask[0] b18: line 6 second field
- linemask[0] b31: line 19 second field
- linemask[1] b0: line 20 second field
- linemask[1] b3: line 23 second field
- linemask[1] b4-b31: unused and set to 0
-
- - .. row 2
-
- - struct
- :c:type:`v4l2_mpeg_vbi_itv0_line`
-
- - ``line``\ [35]
-
- - This is a variable length array that holds from 1 to 35 lines of
- sliced VBI data. The sliced VBI data lines present correspond to
- the bits set in the ``linemask`` array, starting from b\ :sub:`0`
- of ``linemask``\ [0] up through b\ :sub:`31` of ``linemask``\ [0],
- and from b\ :sub:`0` of ``linemask``\ [1] up through b\ :sub:`3` of
- ``linemask``\ [1]. ``line``\ [0] corresponds to the first bit
- found set in the ``linemask`` array, ``line``\ [1] corresponds to
- the second bit found set in the ``linemask`` array, etc. If no
- ``linemask`` array bits are set, then ``line``\ [0] may contain
- one line of unspecified data that should be ignored by
- applications.
+ * - __le32
+ - ``linemask``\ [2]
+ - Bitmasks indicating the VBI service lines present. These
+ ``linemask`` values are stored in little endian byte order in the
+ MPEG stream. Some reference ``linemask`` bit positions with their
+ corresponding VBI line number and video field are given below.
+ b\ :sub:`0` indicates the least significant bit of a ``linemask``
+ value:
+
+
+
+ ::
+
+ linemask[0] b0: line 6 first field
+ linemask[0] b17: line 23 first field
+ linemask[0] b18: line 6 second field
+ linemask[0] b31: line 19 second field
+ linemask[1] b0: line 20 second field
+ linemask[1] b3: line 23 second field
+ linemask[1] b4-b31: unused and set to 0
+ * - struct
+ :c:type:`v4l2_mpeg_vbi_itv0_line`
+ - ``line``\ [35]
+ - This is a variable length array that holds from 1 to 35 lines of
+ sliced VBI data. The sliced VBI data lines present correspond to
+ the bits set in the ``linemask`` array, starting from b\ :sub:`0`
+ of ``linemask``\ [0] up through b\ :sub:`31` of ``linemask``\ [0],
+ and from b\ :sub:`0` of ``linemask``\ [1] up through b\ :sub:`3` of
+ ``linemask``\ [1]. ``line``\ [0] corresponds to the first bit
+ found set in the ``linemask`` array, ``line``\ [1] corresponds to
+ the second bit found set in the ``linemask`` array, etc. If no
+ ``linemask`` array bits are set, then ``line``\ [0] may contain
+ one line of unspecified data that should be ignored by
+ applications.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - struct
- :c:type:`v4l2_mpeg_vbi_itv0_line`
-
- - ``line``\ [36]
-
- - A fixed length array of 36 lines of sliced VBI data. ``line``\ [0]
- through ``line``\ [17] correspond to lines 6 through 23 of the
- first field. ``line``\ [18] through ``line``\ [35] corresponds to
- lines 6 through 23 of the second field.
+ * - struct
+ :c:type:`v4l2_mpeg_vbi_itv0_line`
+ - ``line``\ [36]
+ - A fixed length array of 36 lines of sliced VBI data. ``line``\ [0]
+ through ``line``\ [17] correspond to lines 6 through 23 of the
+ first field. ``line``\ [18] through ``line``\ [35] corresponds to
+ lines 6 through 23 of the second field.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u8
-
- - ``id``
-
- - A line identifier value from
- :ref:`ITV0-Line-Identifier-Constants` that indicates the type of
- sliced VBI data stored on this line.
-
- - .. row 2
-
- - __u8
-
- - ``data``\ [42]
-
- - The sliced VBI data for the line.
+ * - __u8
+ - ``id``
+ - A line identifier value from
+ :ref:`ITV0-Line-Identifier-Constants` that indicates the type of
+ sliced VBI data stored on this line.
+ * - __u8
+ - ``data``\ [42]
+ - The sliced VBI data for the line.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - Defined Symbol
-
- - Value
-
- - Description
-
- - .. row 2
-
- - ``V4L2_MPEG_VBI_IVTV_TELETEXT_B``
-
- - 1
-
- - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
- description of the line payload.
-
- - .. row 3
-
- - ``V4L2_MPEG_VBI_IVTV_CAPTION_525``
-
- - 4
-
- - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
- description of the line payload.
-
- - .. row 4
-
- - ``V4L2_MPEG_VBI_IVTV_WSS_625``
-
- - 5
-
- - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
- description of the line payload.
-
- - .. row 5
-
- - ``V4L2_MPEG_VBI_IVTV_VPS``
-
- - 7
-
- - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
- description of the line payload.
+ * - Defined Symbol
+ - Value
+ - Description
+ * - ``V4L2_MPEG_VBI_IVTV_TELETEXT_B``
+ - 1
+ - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
+ description of the line payload.
+ * - ``V4L2_MPEG_VBI_IVTV_CAPTION_525``
+ - 4
+ - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
+ description of the line payload.
+ * - ``V4L2_MPEG_VBI_IVTV_WSS_625``
+ - 5
+ - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
+ description of the line payload.
+ * - ``V4L2_MPEG_VBI_IVTV_VPS``
+ - 7
+ - Refer to :ref:`Sliced VBI services <vbi-services2>` for a
+ description of the line payload.
:stub-columns: 0
:widths: 5 5 5 5 5 5 5
-
- - .. row 1
-
- -
- - Sensor/0 format
-
- - Frontend/0 format
-
- - Frontend/1 format
-
- - Scaler/0 format
-
- - Scaler/0 compose selection rectangle
-
- - Scaler/1 format
-
- - .. row 2
-
- - Initial state
-
- - 2048x1536/SGRBG8_1X8
-
- - (default)
-
- - (default)
-
- - (default)
-
- - (default)
-
- - (default)
-
- - .. row 3
-
- - Configure frontend sink format
-
- - 2048x1536/SGRBG8_1X8
-
- - *2048x1536/SGRBG8_1X8*
-
- - *2046x1534/SGRBG8_1X8*
-
- - (default)
-
- - (default)
-
- - (default)
-
- - .. row 4
-
- - Configure scaler sink format
-
- - 2048x1536/SGRBG8_1X8
-
- - 2048x1536/SGRBG8_1X8
-
- - 2046x1534/SGRBG8_1X8
-
- - *2046x1534/SGRBG8_1X8*
-
- - *0,0/2046x1534*
-
- - *2046x1534/SGRBG8_1X8*
-
- - .. row 5
-
- - Configure scaler sink compose selection
-
- - 2048x1536/SGRBG8_1X8
-
- - 2048x1536/SGRBG8_1X8
-
- - 2046x1534/SGRBG8_1X8
-
- - 2046x1534/SGRBG8_1X8
-
- - *0,0/1280x960*
-
- - *1280x960/SGRBG8_1X8*
+ * -
+ - Sensor/0 format
+ - Frontend/0 format
+ - Frontend/1 format
+ - Scaler/0 format
+ - Scaler/0 compose selection rectangle
+ - Scaler/1 format
+ * - Initial state
+ - 2048x1536/SGRBG8_1X8
+ - (default)
+ - (default)
+ - (default)
+ - (default)
+ - (default)
+ * - Configure frontend sink format
+ - 2048x1536/SGRBG8_1X8
+ - *2048x1536/SGRBG8_1X8*
+ - *2046x1534/SGRBG8_1X8*
+ - (default)
+ - (default)
+ - (default)
+ * - Configure scaler sink format
+ - 2048x1536/SGRBG8_1X8
+ - 2048x1536/SGRBG8_1X8
+ - 2046x1534/SGRBG8_1X8
+ - *2046x1534/SGRBG8_1X8*
+ - *0,0/2046x1534*
+ - *2046x1534/SGRBG8_1X8*
+ * - Configure scaler sink compose selection
+ - 2048x1536/SGRBG8_1X8
+ - 2048x1536/SGRBG8_1X8
+ - 2046x1534/SGRBG8_1X8
+ - 2046x1534/SGRBG8_1X8
+ - *0,0/1280x960*
+ - *1280x960/SGRBG8_1X8*
.. raw:: latex
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Device Type
-
- - File Name
-
- - Minor Numbers
-
- - .. row 2
-
- - Video capture and overlay
-
- - ``/dev/video`` and ``/dev/bttv0``\ [#f1]_, ``/dev/video0`` to
- ``/dev/video63``
-
- - 0-63
-
- - .. row 3
-
- - Radio receiver
-
- - ``/dev/radio``\ [#f2]_, ``/dev/radio0`` to ``/dev/radio63``
-
- - 64-127
-
- - .. row 4
-
- - Raw VBI capture
-
- - ``/dev/vbi``, ``/dev/vbi0`` to ``/dev/vbi31``
-
- - 224-255
+ * - Device Type
+ - File Name
+ - Minor Numbers
+ * - Video capture and overlay
+ - ``/dev/video`` and ``/dev/bttv0``\ [#f1]_, ``/dev/video0`` to
+ ``/dev/video63``
+ - 0-63
+ * - Radio receiver
+ - ``/dev/radio``\ [#f2]_, ``/dev/radio0`` to ``/dev/radio63``
+ - 64-127
+ * - Raw VBI capture
+ - ``/dev/vbi``, ``/dev/vbi0`` to ``/dev/vbi31``
+ - 224-255
V4L prohibits (or used to prohibit) multiple opens of a device file.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - ``struct video_capability`` ``type``
-
- - struct :c:type:`v4l2_capability`
- ``capabilities`` flags
-
- - Purpose
-
- - .. row 2
-
- - ``VID_TYPE_CAPTURE``
-
- - ``V4L2_CAP_VIDEO_CAPTURE``
-
- - The :ref:`video capture <capture>` interface is supported.
-
- - .. row 3
-
- - ``VID_TYPE_TUNER``
-
- - ``V4L2_CAP_TUNER``
-
- - The device has a :ref:`tuner or modulator <tuner>`.
-
- - .. row 4
-
- - ``VID_TYPE_TELETEXT``
-
- - ``V4L2_CAP_VBI_CAPTURE``
-
- - The :ref:`raw VBI capture <raw-vbi>` interface is supported.
-
- - .. row 5
-
- - ``VID_TYPE_OVERLAY``
-
- - ``V4L2_CAP_VIDEO_OVERLAY``
-
- - The :ref:`video overlay <overlay>` interface is supported.
-
- - .. row 6
-
- - ``VID_TYPE_CHROMAKEY``
-
- - ``V4L2_FBUF_CAP_CHROMAKEY`` in field ``capability`` of struct
- :c:type:`v4l2_framebuffer`
-
- - Whether chromakey overlay is supported. For more information on
- overlay see :ref:`overlay`.
-
- - .. row 7
-
- - ``VID_TYPE_CLIPPING``
-
- - ``V4L2_FBUF_CAP_LIST_CLIPPING`` and
- ``V4L2_FBUF_CAP_BITMAP_CLIPPING`` in field ``capability`` of
- struct :c:type:`v4l2_framebuffer`
-
- - Whether clipping the overlaid image is supported, see
- :ref:`overlay`.
-
- - .. row 8
-
- - ``VID_TYPE_FRAMERAM``
-
- - ``V4L2_FBUF_CAP_EXTERNOVERLAY`` *not set* in field ``capability``
- of struct :c:type:`v4l2_framebuffer`
-
- - Whether overlay overwrites frame buffer memory, see
- :ref:`overlay`.
-
- - .. row 9
-
- - ``VID_TYPE_SCALES``
-
- - ``-``
-
- - This flag indicates if the hardware can scale images. The V4L2 API
- implies the scale factor by setting the cropping dimensions and
- image size with the :ref:`VIDIOC_S_CROP <VIDIOC_G_CROP>` and
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, respectively. The
- driver returns the closest sizes possible. For more information on
- cropping and scaling see :ref:`crop`.
-
- - .. row 10
-
- - ``VID_TYPE_MONOCHROME``
-
- - ``-``
-
- - Applications can enumerate the supported image formats with the
- :ref:`VIDIOC_ENUM_FMT` ioctl to determine if
- the device supports grey scale capturing only. For more
- information on image formats see :ref:`pixfmt`.
-
- - .. row 11
-
- - ``VID_TYPE_SUBCAPTURE``
-
- - ``-``
-
- - Applications can call the :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>`
- ioctl to determine if the device supports capturing a subsection
- of the full picture ("cropping" in V4L2). If not, the ioctl
- returns the ``EINVAL`` error code. For more information on cropping
- and scaling see :ref:`crop`.
-
- - .. row 12
-
- - ``VID_TYPE_MPEG_DECODER``
-
- - ``-``
-
- - Applications can enumerate the supported image formats with the
- :ref:`VIDIOC_ENUM_FMT` ioctl to determine if
- the device supports MPEG streams.
-
- - .. row 13
-
- - ``VID_TYPE_MPEG_ENCODER``
-
- - ``-``
-
- - See above.
-
- - .. row 14
-
- - ``VID_TYPE_MJPEG_DECODER``
-
- - ``-``
-
- - See above.
-
- - .. row 15
-
- - ``VID_TYPE_MJPEG_ENCODER``
-
- - ``-``
-
- - See above.
+ * - ``struct video_capability`` ``type``
+ - struct :c:type:`v4l2_capability`
+ ``capabilities`` flags
+ - Purpose
+ * - ``VID_TYPE_CAPTURE``
+ - ``V4L2_CAP_VIDEO_CAPTURE``
+ - The :ref:`video capture <capture>` interface is supported.
+ * - ``VID_TYPE_TUNER``
+ - ``V4L2_CAP_TUNER``
+ - The device has a :ref:`tuner or modulator <tuner>`.
+ * - ``VID_TYPE_TELETEXT``
+ - ``V4L2_CAP_VBI_CAPTURE``
+ - The :ref:`raw VBI capture <raw-vbi>` interface is supported.
+ * - ``VID_TYPE_OVERLAY``
+ - ``V4L2_CAP_VIDEO_OVERLAY``
+ - The :ref:`video overlay <overlay>` interface is supported.
+ * - ``VID_TYPE_CHROMAKEY``
+ - ``V4L2_FBUF_CAP_CHROMAKEY`` in field ``capability`` of struct
+ :c:type:`v4l2_framebuffer`
+ - Whether chromakey overlay is supported. For more information on
+ overlay see :ref:`overlay`.
+ * - ``VID_TYPE_CLIPPING``
+ - ``V4L2_FBUF_CAP_LIST_CLIPPING`` and
+ ``V4L2_FBUF_CAP_BITMAP_CLIPPING`` in field ``capability`` of
+ struct :c:type:`v4l2_framebuffer`
+ - Whether clipping the overlaid image is supported, see
+ :ref:`overlay`.
+ * - ``VID_TYPE_FRAMERAM``
+ - ``V4L2_FBUF_CAP_EXTERNOVERLAY`` *not set* in field ``capability``
+ of struct :c:type:`v4l2_framebuffer`
+ - Whether overlay overwrites frame buffer memory, see
+ :ref:`overlay`.
+ * - ``VID_TYPE_SCALES``
+ - ``-``
+ - This flag indicates if the hardware can scale images. The V4L2 API
+ implies the scale factor by setting the cropping dimensions and
+ image size with the :ref:`VIDIOC_S_CROP <VIDIOC_G_CROP>` and
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, respectively. The
+ driver returns the closest sizes possible. For more information on
+ cropping and scaling see :ref:`crop`.
+ * - ``VID_TYPE_MONOCHROME``
+ - ``-``
+ - Applications can enumerate the supported image formats with the
+ :ref:`VIDIOC_ENUM_FMT` ioctl to determine if
+ the device supports grey scale capturing only. For more
+ information on image formats see :ref:`pixfmt`.
+ * - ``VID_TYPE_SUBCAPTURE``
+ - ``-``
+ - Applications can call the :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>`
+ ioctl to determine if the device supports capturing a subsection
+ of the full picture ("cropping" in V4L2). If not, the ioctl
+ returns the ``EINVAL`` error code. For more information on cropping
+ and scaling see :ref:`crop`.
+ * - ``VID_TYPE_MPEG_DECODER``
+ - ``-``
+ - Applications can enumerate the supported image formats with the
+ :ref:`VIDIOC_ENUM_FMT` ioctl to determine if
+ the device supports MPEG streams.
+ * - ``VID_TYPE_MPEG_ENCODER``
+ - ``-``
+ - See above.
+ * - ``VID_TYPE_MJPEG_DECODER``
+ - ``-``
+ - See above.
+ * - ``VID_TYPE_MJPEG_ENCODER``
+ - ``-``
+ - See above.
The ``audios`` field was replaced by ``capabilities`` flag
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - struct ``video_channel`` ``type``
-
- - struct :c:type:`v4l2_input` ``type``
-
- - .. row 2
-
- - ``VIDEO_TYPE_TV``
-
- - ``V4L2_INPUT_TYPE_TUNER``
-
- - .. row 3
-
- - ``VIDEO_TYPE_CAMERA``
-
- - ``V4L2_INPUT_TYPE_CAMERA``
+ * - struct ``video_channel`` ``type``
+ - struct :c:type:`v4l2_input` ``type``
+ * - ``VIDEO_TYPE_TV``
+ - ``V4L2_INPUT_TYPE_TUNER``
+ * - ``VIDEO_TYPE_CAMERA``
+ - ``V4L2_INPUT_TYPE_CAMERA``
Unlike the ``tuners`` field expressing the number of tuners of this
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - struct ``video_picture``
-
- - V4L2 Control ID
-
- - .. row 2
-
- - ``brightness``
-
- - ``V4L2_CID_BRIGHTNESS``
-
- - .. row 3
-
- - ``hue``
-
- - ``V4L2_CID_HUE``
-
- - .. row 4
-
- - ``colour``
-
- - ``V4L2_CID_SATURATION``
-
- - .. row 5
-
- - ``contrast``
-
- - ``V4L2_CID_CONTRAST``
-
- - .. row 6
-
- - ``whiteness``
-
- - ``V4L2_CID_WHITENESS``
+ * - struct ``video_picture``
+ - V4L2 Control ID
+ * - ``brightness``
+ - ``V4L2_CID_BRIGHTNESS``
+ * - ``hue``
+ - ``V4L2_CID_HUE``
+ * - ``colour``
+ - ``V4L2_CID_SATURATION``
+ * - ``contrast``
+ - ``V4L2_CID_CONTRAST``
+ * - ``whiteness``
+ - ``V4L2_CID_WHITENESS``
The V4L picture controls are assumed to range from 0 to 65535 with no
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - struct ``video_picture`` ``palette``
-
- - struct :c:type:`v4l2_pix_format` ``pixfmt``
-
- - .. row 2
-
- - ``VIDEO_PALETTE_GREY``
-
- - :ref:`V4L2_PIX_FMT_GREY <V4L2-PIX-FMT-GREY>`
-
- - .. row 3
-
- - ``VIDEO_PALETTE_HI240``
-
- - :ref:`V4L2_PIX_FMT_HI240 <pixfmt-reserved>` [#f3]_
-
- - .. row 4
-
- - ``VIDEO_PALETTE_RGB565``
-
- - :ref:`V4L2_PIX_FMT_RGB565 <pixfmt-rgb>`
-
- - .. row 5
-
- - ``VIDEO_PALETTE_RGB555``
-
- - :ref:`V4L2_PIX_FMT_RGB555 <pixfmt-rgb>`
-
- - .. row 6
-
- - ``VIDEO_PALETTE_RGB24``
-
- - :ref:`V4L2_PIX_FMT_BGR24 <pixfmt-rgb>`
-
- - .. row 7
-
- - ``VIDEO_PALETTE_RGB32``
-
- - :ref:`V4L2_PIX_FMT_BGR32 <pixfmt-rgb>` [#f4]_
-
- - .. row 8
-
- - ``VIDEO_PALETTE_YUV422``
-
- - :ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`
-
- - .. row 9
-
- - ``VIDEO_PALETTE_YUYV``\ [#f5]_
-
- - :ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`
-
- - .. row 10
-
- - ``VIDEO_PALETTE_UYVY``
-
- - :ref:`V4L2_PIX_FMT_UYVY <V4L2-PIX-FMT-UYVY>`
-
- - .. row 11
-
- - ``VIDEO_PALETTE_YUV420``
-
- - None
-
- - .. row 12
-
- - ``VIDEO_PALETTE_YUV411``
-
- - :ref:`V4L2_PIX_FMT_Y41P <V4L2-PIX-FMT-Y41P>` [#f6]_
-
- - .. row 13
-
- - ``VIDEO_PALETTE_RAW``
-
- - None [#f7]_
-
- - .. row 14
-
- - ``VIDEO_PALETTE_YUV422P``
-
- - :ref:`V4L2_PIX_FMT_YUV422P <V4L2-PIX-FMT-YUV422P>`
-
- - .. row 15
-
- - ``VIDEO_PALETTE_YUV411P``
-
- - :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>` [#f8]_
-
- - .. row 16
-
- - ``VIDEO_PALETTE_YUV420P``
-
- - :ref:`V4L2_PIX_FMT_YVU420 <V4L2-PIX-FMT-YVU420>`
-
- - .. row 17
-
- - ``VIDEO_PALETTE_YUV410P``
-
- - :ref:`V4L2_PIX_FMT_YVU410 <V4L2-PIX-FMT-YVU410>`
+ * - struct ``video_picture`` ``palette``
+ - struct :c:type:`v4l2_pix_format` ``pixfmt``
+ * - ``VIDEO_PALETTE_GREY``
+ - :ref:`V4L2_PIX_FMT_GREY <V4L2-PIX-FMT-GREY>`
+ * - ``VIDEO_PALETTE_HI240``
+ - :ref:`V4L2_PIX_FMT_HI240 <pixfmt-reserved>` [#f3]_
+ * - ``VIDEO_PALETTE_RGB565``
+ - :ref:`V4L2_PIX_FMT_RGB565 <pixfmt-rgb>`
+ * - ``VIDEO_PALETTE_RGB555``
+ - :ref:`V4L2_PIX_FMT_RGB555 <pixfmt-rgb>`
+ * - ``VIDEO_PALETTE_RGB24``
+ - :ref:`V4L2_PIX_FMT_BGR24 <pixfmt-rgb>`
+ * - ``VIDEO_PALETTE_RGB32``
+ - :ref:`V4L2_PIX_FMT_BGR32 <pixfmt-rgb>` [#f4]_
+ * - ``VIDEO_PALETTE_YUV422``
+ - :ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`
+ * - ``VIDEO_PALETTE_YUYV``\ [#f5]_
+ - :ref:`V4L2_PIX_FMT_YUYV <V4L2-PIX-FMT-YUYV>`
+ * - ``VIDEO_PALETTE_UYVY``
+ - :ref:`V4L2_PIX_FMT_UYVY <V4L2-PIX-FMT-UYVY>`
+ * - ``VIDEO_PALETTE_YUV420``
+ - None
+ * - ``VIDEO_PALETTE_YUV411``
+ - :ref:`V4L2_PIX_FMT_Y41P <V4L2-PIX-FMT-Y41P>` [#f6]_
+ * - ``VIDEO_PALETTE_RAW``
+ - None [#f7]_
+ * - ``VIDEO_PALETTE_YUV422P``
+ - :ref:`V4L2_PIX_FMT_YUV422P <V4L2-PIX-FMT-YUV422P>`
+ * - ``VIDEO_PALETTE_YUV411P``
+ - :ref:`V4L2_PIX_FMT_YUV411P <V4L2-PIX-FMT-YUV411P>` [#f8]_
+ * - ``VIDEO_PALETTE_YUV420P``
+ - :ref:`V4L2_PIX_FMT_YVU420 <V4L2-PIX-FMT-YVU420>`
+ * - ``VIDEO_PALETTE_YUV410P``
+ - :ref:`V4L2_PIX_FMT_YVU410 <V4L2-PIX-FMT-YVU410>`
V4L2 image formats are defined in :ref:`pixfmt`. The image format can
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - struct ``video_audio``
-
- - V4L2 Control ID
-
- - .. row 2
-
- - ``volume``
-
- - ``V4L2_CID_AUDIO_VOLUME``
-
- - .. row 3
-
- - ``bass``
-
- - ``V4L2_CID_AUDIO_BASS``
-
- - .. row 4
-
- - ``treble``
-
- - ``V4L2_CID_AUDIO_TREBLE``
-
- - .. row 5
-
- - ``balance``
-
- - ``V4L2_CID_AUDIO_BALANCE``
+ * - struct ``video_audio``
+ - V4L2 Control ID
+ * - ``volume``
+ - ``V4L2_CID_AUDIO_VOLUME``
+ * - ``bass``
+ - ``V4L2_CID_AUDIO_BASS``
+ * - ``treble``
+ - ``V4L2_CID_AUDIO_TREBLE``
+ * - ``balance``
+ - ``V4L2_CID_AUDIO_BALANCE``
To determine which of these controls are supported by a driver V4L
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - V4L
-
- - V4L2
-
- - .. row 2
-
- -
- - The image format must be selected before buffers are allocated,
- with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. When no
- format is selected the driver may use the last, possibly by
- another application requested format.
-
- - .. row 3
-
- - Applications cannot change the number of buffers. The it is built
- into the driver, unless it has a module option to change the
- number when the driver module is loaded.
-
- - The :ref:`VIDIOC_REQBUFS` ioctl allocates the
- desired number of buffers, this is a required step in the
- initialization sequence.
-
- - .. row 4
-
- - Drivers map all buffers as one contiguous range of memory. The
- ``VIDIOCGMBUF`` ioctl is available to query the number of buffers,
- the offset of each buffer from the start of the virtual file, and
- the overall amount of memory used, which can be used as arguments
- for the :ref:`mmap() <func-mmap>` function.
-
- - Buffers are individually mapped. The offset and size of each
- buffer can be determined with the
- :ref:`VIDIOC_QUERYBUF` ioctl.
-
- - .. row 5
-
- - The ``VIDIOCMCAPTURE`` ioctl prepares a buffer for capturing. It
- also determines the image format for this buffer. The ioctl
- returns immediately, eventually with an ``EAGAIN`` error code if no
- video signal had been detected. When the driver supports more than
- one buffer applications can call the ioctl multiple times and thus
- have multiple outstanding capture requests.
-
- The ``VIDIOCSYNC`` ioctl suspends execution until a particular
- buffer has been filled.
-
- - Drivers maintain an incoming and outgoing queue.
- :ref:`VIDIOC_QBUF` enqueues any empty buffer into
- the incoming queue. Filled buffers are dequeued from the outgoing
- queue with the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. To wait
- until filled buffers become available this function,
- :ref:`select() <func-select>` or :ref:`poll() <func-poll>` can
- be used. The :ref:`VIDIOC_STREAMON` ioctl
- must be called once after enqueuing one or more buffers to start
- capturing. Its counterpart
- :ref:`VIDIOC_STREAMOFF <VIDIOC_STREAMON>` stops capturing and
- dequeues all buffers from both queues. Applications can query the
- signal status, if known, with the
- :ref:`VIDIOC_ENUMINPUT` ioctl.
+ * - V4L
+ - V4L2
+ * -
+ - The image format must be selected before buffers are allocated,
+ with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. When no
+ format is selected the driver may use the last, possibly by
+ another application requested format.
+ * - Applications cannot change the number of buffers. The it is built
+ into the driver, unless it has a module option to change the
+ number when the driver module is loaded.
+ - The :ref:`VIDIOC_REQBUFS` ioctl allocates the
+ desired number of buffers, this is a required step in the
+ initialization sequence.
+ * - Drivers map all buffers as one contiguous range of memory. The
+ ``VIDIOCGMBUF`` ioctl is available to query the number of buffers,
+ the offset of each buffer from the start of the virtual file, and
+ the overall amount of memory used, which can be used as arguments
+ for the :ref:`mmap() <func-mmap>` function.
+ - Buffers are individually mapped. The offset and size of each
+ buffer can be determined with the
+ :ref:`VIDIOC_QUERYBUF` ioctl.
+ * - The ``VIDIOCMCAPTURE`` ioctl prepares a buffer for capturing. It
+ also determines the image format for this buffer. The ioctl
+ returns immediately, eventually with an ``EAGAIN`` error code if no
+ video signal had been detected. When the driver supports more than
+ one buffer applications can call the ioctl multiple times and thus
+ have multiple outstanding capture requests.
+
+ The ``VIDIOCSYNC`` ioctl suspends execution until a particular
+ buffer has been filled.
+ - Drivers maintain an incoming and outgoing queue.
+ :ref:`VIDIOC_QBUF` enqueues any empty buffer into
+ the incoming queue. Filled buffers are dequeued from the outgoing
+ queue with the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. To wait
+ until filled buffers become available this function,
+ :ref:`select() <func-select>` or :ref:`poll() <func-poll>` can
+ be used. The :ref:`VIDIOC_STREAMON` ioctl
+ must be called once after enqueuing one or more buffers to start
+ capturing. Its counterpart
+ :ref:`VIDIOC_STREAMOFF <VIDIOC_STREAMON>` stops capturing and
+ dequeues all buffers from both queues. Applications can query the
+ signal status, if known, with the
+ :ref:`VIDIOC_ENUMINPUT` ioctl.
For a more in-depth discussion of memory mapping and examples, see
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - struct :c:type:`v4l2_vbi_format`
-
- - V4L, BTTV driver
-
- - .. row 2
-
- - sampling_rate
-
- - 28636363 Hz NTSC (or any other 525-line standard); 35468950 Hz PAL
- and SECAM (625-line standards)
-
- - .. row 3
-
- - offset
-
- - ?
-
- - .. row 4
-
- - samples_per_line
-
- - 2048
-
- - .. row 5
-
- - sample_format
-
- - V4L2_PIX_FMT_GREY. The last four bytes (a machine endianness
- integer) contain a frame counter.
-
- - .. row 6
-
- - start[]
-
- - 10, 273 NTSC; 22, 335 PAL and SECAM
-
- - .. row 7
-
- - count[]
-
- - 16, 16 [#f9]_
-
- - .. row 8
-
- - flags
-
- - 0
+ * - struct :c:type:`v4l2_vbi_format`
+ - V4L, BTTV driver
+ * - sampling_rate
+ - 28636363 Hz NTSC (or any other 525-line standard); 35468950 Hz PAL
+ and SECAM (625-line standards)
+ * - offset
+ - ?
+ * - samples_per_line
+ - 2048
+ * - sample_format
+ - V4L2_PIX_FMT_GREY. The last four bytes (a machine endianness
+ integer) contain a frame counter.
+ * - start[]
+ - 10, 273 NTSC; 22, 335 PAL and SECAM
+ * - count[]
+ - 16, 16 [#f9]_
+ * - flags
+ - 0
Undocumented in the V4L specification, in Linux 2.3 the
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG2_PS``
-
- - MPEG-2 program stream
-
- - .. row 2
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG2_TS``
-
- - MPEG-2 transport stream
-
- - .. row 3
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG1_SS``
-
- - MPEG-1 system stream
-
- - .. row 4
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG2_DVD``
-
- - MPEG-2 DVD-compatible stream
-
- - .. row 5
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG1_VCD``
-
- - MPEG-1 VCD-compatible stream
-
- - .. row 6
-
- - ``V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD``
-
- - MPEG-2 SVCD-compatible stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_PS``
+ - MPEG-2 program stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_TS``
+ - MPEG-2 transport stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG1_SS``
+ - MPEG-1 system stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_DVD``
+ - MPEG-2 DVD-compatible stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG1_VCD``
+ - MPEG-1 VCD-compatible stream
+ * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD``
+ - MPEG-2 SVCD-compatible stream
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_STREAM_VBI_FMT_NONE``
-
- - No VBI in the MPEG stream
-
- - .. row 2
-
- - ``V4L2_MPEG_STREAM_VBI_FMT_IVTV``
-
- - VBI in private packets, IVTV format (documented in the kernel
- sources in the file
- ``Documentation/video4linux/cx2341x/README.vbi``)
+ * - ``V4L2_MPEG_STREAM_VBI_FMT_NONE``
+ - No VBI in the MPEG stream
+ * - ``V4L2_MPEG_STREAM_VBI_FMT_IVTV``
+ - VBI in private packets, IVTV format (documented in the kernel
+ sources in the file
+ ``Documentation/video4linux/cx2341x/README.vbi``)
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100``
-
- - 44.1 kHz
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000``
-
- - 48 kHz
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000``
-
- - 32 kHz
+ * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100``
+ - 44.1 kHz
+ * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000``
+ - 48 kHz
+ * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000``
+ - 32 kHz
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_1``
-
- - MPEG-1/2 Layer I encoding
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_2``
-
- - MPEG-1/2 Layer II encoding
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_3``
-
- - MPEG-1/2 Layer III encoding
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_ENCODING_AAC``
-
- - MPEG-2/4 AAC (Advanced Audio Coding)
-
- - .. row 5
-
- - ``V4L2_MPEG_AUDIO_ENCODING_AC3``
-
- - AC-3 aka ATSC A/52 encoding
+ * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_1``
+ - MPEG-1/2 Layer I encoding
+ * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_2``
+ - MPEG-1/2 Layer II encoding
+ * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_3``
+ - MPEG-1/2 Layer III encoding
+ * - ``V4L2_MPEG_AUDIO_ENCODING_AAC``
+ - MPEG-2/4 AAC (Advanced Audio Coding)
+ * - ``V4L2_MPEG_AUDIO_ENCODING_AC3``
+ - AC-3 aka ATSC A/52 encoding
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_32K``
-
- - 32 kbit/s
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_64K``
-
- - 64 kbit/s
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_96K``
-
- - 96 kbit/s
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_128K``
-
- - 128 kbit/s
-
- - .. row 5
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_160K``
-
- - 160 kbit/s
-
- - .. row 6
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_192K``
-
- - 192 kbit/s
-
- - .. row 7
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_224K``
-
- - 224 kbit/s
-
- - .. row 8
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_256K``
-
- - 256 kbit/s
-
- - .. row 9
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_288K``
-
- - 288 kbit/s
-
- - .. row 10
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_320K``
-
- - 320 kbit/s
-
- - .. row 11
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_352K``
-
- - 352 kbit/s
-
- - .. row 12
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_384K``
-
- - 384 kbit/s
-
- - .. row 13
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_416K``
-
- - 416 kbit/s
-
- - .. row 14
-
- - ``V4L2_MPEG_AUDIO_L1_BITRATE_448K``
-
- - 448 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_32K``
+ - 32 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_64K``
+ - 64 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_96K``
+ - 96 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_128K``
+ - 128 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_160K``
+ - 160 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_192K``
+ - 192 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_224K``
+ - 224 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_256K``
+ - 256 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_288K``
+ - 288 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_320K``
+ - 320 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_352K``
+ - 352 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_384K``
+ - 384 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_416K``
+ - 416 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L1_BITRATE_448K``
+ - 448 kbit/s
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_32K``
-
- - 32 kbit/s
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_48K``
-
- - 48 kbit/s
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_56K``
-
- - 56 kbit/s
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_64K``
-
- - 64 kbit/s
-
- - .. row 5
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_80K``
-
- - 80 kbit/s
-
- - .. row 6
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_96K``
-
- - 96 kbit/s
-
- - .. row 7
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_112K``
-
- - 112 kbit/s
-
- - .. row 8
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_128K``
-
- - 128 kbit/s
-
- - .. row 9
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_160K``
-
- - 160 kbit/s
-
- - .. row 10
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_192K``
-
- - 192 kbit/s
-
- - .. row 11
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_224K``
-
- - 224 kbit/s
-
- - .. row 12
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_256K``
-
- - 256 kbit/s
-
- - .. row 13
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_320K``
-
- - 320 kbit/s
-
- - .. row 14
-
- - ``V4L2_MPEG_AUDIO_L2_BITRATE_384K``
-
- - 384 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_32K``
+ - 32 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_48K``
+ - 48 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_56K``
+ - 56 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_64K``
+ - 64 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_80K``
+ - 80 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_96K``
+ - 96 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_112K``
+ - 112 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_128K``
+ - 128 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_160K``
+ - 160 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_192K``
+ - 192 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_224K``
+ - 224 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_256K``
+ - 256 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_320K``
+ - 320 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L2_BITRATE_384K``
+ - 384 kbit/s
:header-rows: 0
:stub-columns: 0
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_32K``
+ - 32 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_40K``
+ - 40 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_48K``
+ - 48 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_56K``
+ - 56 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_64K``
+ - 64 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_80K``
+ - 80 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_96K``
+ - 96 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_112K``
+ - 112 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_128K``
+ - 128 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_160K``
+ - 160 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_192K``
+ - 192 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_224K``
+ - 224 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_256K``
+ - 256 kbit/s
+ * - ``V4L2_MPEG_AUDIO_L3_BITRATE_320K``
+ - 320 kbit/s
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_32K``
-
- - 32 kbit/s
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_40K``
- - 40 kbit/s
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_48K``
-
- - 48 kbit/s
+``V4L2_CID_MPEG_AUDIO_AAC_BITRATE (integer)``
+ AAC bitrate in bits per second.
- - .. row 4
+.. _v4l2-mpeg-audio-ac3-bitrate:
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_56K``
+``V4L2_CID_MPEG_AUDIO_AC3_BITRATE``
+ (enum)
- - 56 kbit/s
+enum v4l2_mpeg_audio_ac3_bitrate -
+ AC-3 bitrate. Possible values are:
- - .. row 5
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_64K``
- - 64 kbit/s
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - .. row 6
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_32K``
+ - 32 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_40K``
+ - 40 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_48K``
+ - 48 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_56K``
+ - 56 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_64K``
+ - 64 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_80K``
+ - 80 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_96K``
+ - 96 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_112K``
+ - 112 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_128K``
+ - 128 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_160K``
+ - 160 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_192K``
+ - 192 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_224K``
+ - 224 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_256K``
+ - 256 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_320K``
+ - 320 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_384K``
+ - 384 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_448K``
+ - 448 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_512K``
+ - 512 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_576K``
+ - 576 kbit/s
+ * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_640K``
+ - 640 kbit/s
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_80K``
- - 80 kbit/s
- - .. row 7
+.. _v4l2-mpeg-audio-mode:
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_96K``
+``V4L2_CID_MPEG_AUDIO_MODE``
+ (enum)
- - 96 kbit/s
+enum v4l2_mpeg_audio_mode -
+ MPEG Audio mode. Possible values are:
- - .. row 8
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_112K``
- - 112 kbit/s
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - .. row 9
+ * - ``V4L2_MPEG_AUDIO_MODE_STEREO``
+ - Stereo
+ * - ``V4L2_MPEG_AUDIO_MODE_JOINT_STEREO``
+ - Joint Stereo
+ * - ``V4L2_MPEG_AUDIO_MODE_DUAL``
+ - Bilingual
+ * - ``V4L2_MPEG_AUDIO_MODE_MONO``
+ - Mono
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_128K``
- - 128 kbit/s
- - .. row 10
+.. _v4l2-mpeg-audio-mode-extension:
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_160K``
+``V4L2_CID_MPEG_AUDIO_MODE_EXTENSION``
+ (enum)
- - 160 kbit/s
+enum v4l2_mpeg_audio_mode_extension -
+ Joint Stereo audio mode extension. In Layer I and II they indicate
+ which subbands are in intensity stereo. All other subbands are coded
+ in stereo. Layer III is not (yet) supported. Possible values are:
- - .. row 11
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_192K``
- - 192 kbit/s
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - .. row 12
+ * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4``
+ - Subbands 4-31 in intensity stereo
+ * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8``
+ - Subbands 8-31 in intensity stereo
+ * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12``
+ - Subbands 12-31 in intensity stereo
+ * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16``
+ - Subbands 16-31 in intensity stereo
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_224K``
- - 224 kbit/s
- - .. row 13
+.. _v4l2-mpeg-audio-emphasis:
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_256K``
+``V4L2_CID_MPEG_AUDIO_EMPHASIS``
+ (enum)
- - 256 kbit/s
+enum v4l2_mpeg_audio_emphasis -
+ Audio Emphasis. Possible values are:
- - .. row 14
- - ``V4L2_MPEG_AUDIO_L3_BITRATE_320K``
- - 320 kbit/s
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+ * - ``V4L2_MPEG_AUDIO_EMPHASIS_NONE``
+ - None
+ * - ``V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS``
+ - 50/15 microsecond emphasis
+ * - ``V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17``
+ - CCITT J.17
-``V4L2_CID_MPEG_AUDIO_AAC_BITRATE (integer)``
- AAC bitrate in bits per second.
-.. _v4l2-mpeg-audio-ac3-bitrate:
+.. _v4l2-mpeg-audio-crc:
-``V4L2_CID_MPEG_AUDIO_AC3_BITRATE``
+``V4L2_CID_MPEG_AUDIO_CRC``
(enum)
-enum v4l2_mpeg_audio_ac3_bitrate -
- AC-3 bitrate. Possible values are:
+enum v4l2_mpeg_audio_crc -
+ CRC method. Possible values are:
:header-rows: 0
:stub-columns: 0
+ * - ``V4L2_MPEG_AUDIO_CRC_NONE``
+ - None
+ * - ``V4L2_MPEG_AUDIO_CRC_CRC16``
+ - 16 bit parity check
- - .. row 1
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_32K``
- - 32 kbit/s
+``V4L2_CID_MPEG_AUDIO_MUTE (boolean)``
+ Mutes the audio when capturing. This is not done by muting audio
+ hardware, which can still produce a slight hiss, but in the encoder
+ itself, guaranteeing a fixed and reproducible audio bitstream. 0 =
+ unmuted, 1 = muted.
- - .. row 2
+.. _v4l2-mpeg-audio-dec-playback:
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_40K``
+``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK``
+ (enum)
- - 40 kbit/s
+enum v4l2_mpeg_audio_dec_playback -
+ Determines how monolingual audio should be played back. Possible
+ values are:
- - .. row 3
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_48K``
- - 48 kbit/s
+.. tabularcolumns:: |p{9.0cm}|p{8.5cm}|
- - .. row 4
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_56K``
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO``
+ - Automatically determines the best playback mode.
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO``
+ - Stereo playback.
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT``
+ - Left channel playback.
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT``
+ - Right channel playback.
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO``
+ - Mono playback.
+ * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO``
+ - Stereo playback with swapped left and right channels.
- - 56 kbit/s
- - .. row 5
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_64K``
+.. _v4l2-mpeg-audio-dec-multilingual-playback:
- - 64 kbit/s
+``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK``
+ (enum)
- - .. row 6
+enum v4l2_mpeg_audio_dec_playback -
+ Determines how multilingual audio should be played back.
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_80K``
+.. _v4l2-mpeg-video-encoding:
- - 80 kbit/s
+``V4L2_CID_MPEG_VIDEO_ENCODING``
+ (enum)
- - .. row 7
+enum v4l2_mpeg_video_encoding -
+ MPEG Video encoding method. This control is specific to multiplexed
+ MPEG streams. Possible values are:
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_96K``
- - 96 kbit/s
- - .. row 8
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_112K``
+ * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_1``
+ - MPEG-1 Video encoding
+ * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_2``
+ - MPEG-2 Video encoding
+ * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC``
+ - MPEG-4 AVC (H.264) Video encoding
- - 112 kbit/s
- - .. row 9
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_128K``
+.. _v4l2-mpeg-video-aspect:
- - 128 kbit/s
+``V4L2_CID_MPEG_VIDEO_ASPECT``
+ (enum)
- - .. row 10
+enum v4l2_mpeg_video_aspect -
+ Video aspect. Possible values are:
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_160K``
- - 160 kbit/s
- - .. row 11
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_192K``
+ * - ``V4L2_MPEG_VIDEO_ASPECT_1x1``
+ * - ``V4L2_MPEG_VIDEO_ASPECT_4x3``
+ * - ``V4L2_MPEG_VIDEO_ASPECT_16x9``
+ * - ``V4L2_MPEG_VIDEO_ASPECT_221x100``
- - 192 kbit/s
- - .. row 12
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_224K``
+``V4L2_CID_MPEG_VIDEO_B_FRAMES (integer)``
+ Number of B-Frames (default 2)
- - 224 kbit/s
+``V4L2_CID_MPEG_VIDEO_GOP_SIZE (integer)``
+ GOP size (default 12)
- - .. row 13
+``V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (boolean)``
+ GOP closure (default 1)
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_256K``
+``V4L2_CID_MPEG_VIDEO_PULLDOWN (boolean)``
+ Enable 3:2 pulldown (default 0)
- - 256 kbit/s
+.. _v4l2-mpeg-video-bitrate-mode:
- - .. row 14
+``V4L2_CID_MPEG_VIDEO_BITRATE_MODE``
+ (enum)
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_320K``
+enum v4l2_mpeg_video_bitrate_mode -
+ Video bitrate mode. Possible values are:
- - 320 kbit/s
- - .. row 15
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_384K``
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - 384 kbit/s
+ * - ``V4L2_MPEG_VIDEO_BITRATE_MODE_VBR``
+ - Variable bitrate
+ * - ``V4L2_MPEG_VIDEO_BITRATE_MODE_CBR``
+ - Constant bitrate
- - .. row 16
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_448K``
- - 448 kbit/s
+``V4L2_CID_MPEG_VIDEO_BITRATE (integer)``
+ Video bitrate in bits per second.
- - .. row 17
+``V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (integer)``
+ Peak video bitrate in bits per second. Must be larger or equal to
+ the average video bitrate. It is ignored if the video bitrate mode
+ is set to constant bitrate.
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_512K``
+``V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (integer)``
+ For every captured frame, skip this many subsequent frames (default
+ 0).
- - 512 kbit/s
+``V4L2_CID_MPEG_VIDEO_MUTE (boolean)``
+ "Mutes" the video to a fixed color when capturing. This is useful
+ for testing, to produce a fixed video bitstream. 0 = unmuted, 1 =
+ muted.
- - .. row 18
+``V4L2_CID_MPEG_VIDEO_MUTE_YUV (integer)``
+ Sets the "mute" color of the video. The supplied 32-bit integer is
+ interpreted as follows (bit 0 = least significant bit):
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_576K``
- - 576 kbit/s
- - .. row 19
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - ``V4L2_MPEG_AUDIO_AC3_BITRATE_640K``
-
- - 640 kbit/s
-
-
-
-.. _v4l2-mpeg-audio-mode:
-
-``V4L2_CID_MPEG_AUDIO_MODE``
- (enum)
-
-enum v4l2_mpeg_audio_mode -
- MPEG Audio mode. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_MODE_STEREO``
-
- - Stereo
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_MODE_JOINT_STEREO``
-
- - Joint Stereo
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_MODE_DUAL``
-
- - Bilingual
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_MODE_MONO``
-
- - Mono
-
-
-
-.. _v4l2-mpeg-audio-mode-extension:
-
-``V4L2_CID_MPEG_AUDIO_MODE_EXTENSION``
- (enum)
-
-enum v4l2_mpeg_audio_mode_extension -
- Joint Stereo audio mode extension. In Layer I and II they indicate
- which subbands are in intensity stereo. All other subbands are coded
- in stereo. Layer III is not (yet) supported. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4``
-
- - Subbands 4-31 in intensity stereo
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8``
-
- - Subbands 8-31 in intensity stereo
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12``
-
- - Subbands 12-31 in intensity stereo
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16``
-
- - Subbands 16-31 in intensity stereo
-
-
-
-.. _v4l2-mpeg-audio-emphasis:
-
-``V4L2_CID_MPEG_AUDIO_EMPHASIS``
- (enum)
-
-enum v4l2_mpeg_audio_emphasis -
- Audio Emphasis. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_EMPHASIS_NONE``
-
- - None
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS``
-
- - 50/15 microsecond emphasis
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17``
-
- - CCITT J.17
-
-
-
-.. _v4l2-mpeg-audio-crc:
-
-``V4L2_CID_MPEG_AUDIO_CRC``
- (enum)
-
-enum v4l2_mpeg_audio_crc -
- CRC method. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_CRC_NONE``
-
- - None
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_CRC_CRC16``
-
- - 16 bit parity check
-
-
-
-``V4L2_CID_MPEG_AUDIO_MUTE (boolean)``
- Mutes the audio when capturing. This is not done by muting audio
- hardware, which can still produce a slight hiss, but in the encoder
- itself, guaranteeing a fixed and reproducible audio bitstream. 0 =
- unmuted, 1 = muted.
-
-.. _v4l2-mpeg-audio-dec-playback:
-
-``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK``
- (enum)
-
-enum v4l2_mpeg_audio_dec_playback -
- Determines how monolingual audio should be played back. Possible
- values are:
-
-
-
-.. tabularcolumns:: |p{9.0cm}|p{8.5cm}|
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO``
-
- - Automatically determines the best playback mode.
-
- - .. row 2
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO``
-
- - Stereo playback.
-
- - .. row 3
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT``
-
- - Left channel playback.
-
- - .. row 4
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT``
-
- - Right channel playback.
-
- - .. row 5
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO``
-
- - Mono playback.
-
- - .. row 6
-
- - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO``
-
- - Stereo playback with swapped left and right channels.
-
-
-
-.. _v4l2-mpeg-audio-dec-multilingual-playback:
-
-``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK``
- (enum)
-
-enum v4l2_mpeg_audio_dec_playback -
- Determines how multilingual audio should be played back.
-
-.. _v4l2-mpeg-video-encoding:
-
-``V4L2_CID_MPEG_VIDEO_ENCODING``
- (enum)
-
-enum v4l2_mpeg_video_encoding -
- MPEG Video encoding method. This control is specific to multiplexed
- MPEG streams. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_1``
-
- - MPEG-1 Video encoding
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_2``
-
- - MPEG-2 Video encoding
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC``
-
- - MPEG-4 AVC (H.264) Video encoding
-
-
-
-.. _v4l2-mpeg-video-aspect:
-
-``V4L2_CID_MPEG_VIDEO_ASPECT``
- (enum)
-
-enum v4l2_mpeg_video_aspect -
- Video aspect. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_ASPECT_1x1``
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_ASPECT_4x3``
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_ASPECT_16x9``
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_ASPECT_221x100``
-
-
-
-``V4L2_CID_MPEG_VIDEO_B_FRAMES (integer)``
- Number of B-Frames (default 2)
-
-``V4L2_CID_MPEG_VIDEO_GOP_SIZE (integer)``
- GOP size (default 12)
-
-``V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (boolean)``
- GOP closure (default 1)
-
-``V4L2_CID_MPEG_VIDEO_PULLDOWN (boolean)``
- Enable 3:2 pulldown (default 0)
-
-.. _v4l2-mpeg-video-bitrate-mode:
-
-``V4L2_CID_MPEG_VIDEO_BITRATE_MODE``
- (enum)
-
-enum v4l2_mpeg_video_bitrate_mode -
- Video bitrate mode. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_BITRATE_MODE_VBR``
-
- - Variable bitrate
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_BITRATE_MODE_CBR``
-
- - Constant bitrate
-
-
-
-``V4L2_CID_MPEG_VIDEO_BITRATE (integer)``
- Video bitrate in bits per second.
-
-``V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (integer)``
- Peak video bitrate in bits per second. Must be larger or equal to
- the average video bitrate. It is ignored if the video bitrate mode
- is set to constant bitrate.
-
-``V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (integer)``
- For every captured frame, skip this many subsequent frames (default
- 0).
-
-``V4L2_CID_MPEG_VIDEO_MUTE (boolean)``
- "Mutes" the video to a fixed color when capturing. This is useful
- for testing, to produce a fixed video bitstream. 0 = unmuted, 1 =
- muted.
-
-``V4L2_CID_MPEG_VIDEO_MUTE_YUV (integer)``
- Sets the "mute" color of the video. The supplied 32-bit integer is
- interpreted as follows (bit 0 = least significant bit):
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - Bit 0:7
-
- - V chrominance information
-
- - .. row 2
-
- - Bit 8:15
-
- - U chrominance information
-
- - .. row 3
-
- - Bit 16:23
-
- - Y luminance information
-
- - .. row 4
-
- - Bit 24:31
-
- - Must be zero.
+ * - Bit 0:7
+ - V chrominance information
+ * - Bit 8:15
+ - U chrominance information
+ * - Bit 16:23
+ - Y luminance information
+ * - Bit 24:31
+ - Must be zero.
.. _v4l2-mpeg-video-dec-frame:
``V4L2_CID_MPEG_VIDEO_DEC_FRAME (integer64)``
- This read-only control returns the frame counter of the frame that
- is currently displayed (decoded). This value is reset to 0 whenever
- the decoder is started.
-
-``V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (boolean)``
- If enabled the decoder expects to receive a single slice per buffer,
- otherwise the decoder expects a single frame in per buffer.
- Applicable to the decoder, all codecs.
-
-``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
- Enable writing sample aspect ratio in the Video Usability
- Information. Applicable to the H264 encoder.
-
-.. _v4l2-mpeg-video-h264-vui-sar-idc:
-
-``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC``
- (enum)
-
-enum v4l2_mpeg_video_h264_vui_sar_idc -
- VUI sample aspect ratio indicator for H.264 encoding. The value is
- defined in the table E-1 in the standard. Applicable to the H264
- encoder.
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED``
-
- - Unspecified
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1``
-
- - 1x1
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11``
-
- - 12x11
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11``
-
- - 10x11
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11``
-
- - 16x11
-
- - .. row 6
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33``
-
- - 40x33
-
- - .. row 7
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11``
-
- - 24x11
-
- - .. row 8
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11``
-
- - 20x11
-
- - .. row 9
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11``
-
- - 32x11
-
- - .. row 10
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33``
-
- - 80x33
-
- - .. row 11
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11``
-
- - 18x11
-
- - .. row 12
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11``
-
- - 15x11
-
- - .. row 13
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33``
-
- - 64x33
-
- - .. row 14
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99``
-
- - 160x99
-
- - .. row 15
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3``
-
- - 4x3
-
- - .. row 16
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2``
-
- - 3x2
-
- - .. row 17
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1``
-
- - 2x1
-
- - .. row 18
-
- - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED``
-
- - Extended SAR
-
-
-
-``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH (integer)``
- Extended sample aspect ratio width for H.264 VUI encoding.
- Applicable to the H264 encoder.
-
-``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT (integer)``
- Extended sample aspect ratio height for H.264 VUI encoding.
- Applicable to the H264 encoder.
-
-.. _v4l2-mpeg-video-h264-level:
-
-``V4L2_CID_MPEG_VIDEO_H264_LEVEL``
- (enum)
-
-enum v4l2_mpeg_video_h264_level -
- The level information for the H264 video elementary stream.
- Applicable to the H264 encoder. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_0``
-
- - Level 1.0
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_1B``
-
- - Level 1B
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_1``
-
- - Level 1.1
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_2``
-
- - Level 1.2
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_3``
-
- - Level 1.3
-
- - .. row 6
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_0``
-
- - Level 2.0
-
- - .. row 7
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_1``
-
- - Level 2.1
-
- - .. row 8
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_2``
-
- - Level 2.2
-
- - .. row 9
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_0``
-
- - Level 3.0
-
- - .. row 10
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_1``
-
- - Level 3.1
-
- - .. row 11
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_2``
-
- - Level 3.2
-
- - .. row 12
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_0``
-
- - Level 4.0
-
- - .. row 13
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_1``
-
- - Level 4.1
-
- - .. row 14
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_2``
-
- - Level 4.2
-
- - .. row 15
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_0``
-
- - Level 5.0
-
- - .. row 16
-
- - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_1``
-
- - Level 5.1
-
-
-
-.. _v4l2-mpeg-video-mpeg4-level:
-
-``V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL``
- (enum)
-
-enum v4l2_mpeg_video_mpeg4_level -
- The level information for the MPEG4 elementary stream. Applicable to
- the MPEG4 encoder. Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_LEVEL_0``
-
- - Level 0
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_LEVEL_0B``
-
- - Level 0b
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_LEVEL_1``
-
- - Level 1
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_LEVEL_2``
-
- - Level 2
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_LEVEL_3``
-
- - Level 3
-
- - .. row 6
-
- - ``V4L2_MPEG_VIDEO_LEVEL_3B``
-
- - Level 3b
-
- - .. row 7
-
- - ``V4L2_MPEG_VIDEO_LEVEL_4``
-
- - Level 4
-
- - .. row 8
-
- - ``V4L2_MPEG_VIDEO_LEVEL_5``
-
- - Level 5
-
-
-
-.. _v4l2-mpeg-video-h264-profile:
-
-``V4L2_CID_MPEG_VIDEO_H264_PROFILE``
- (enum)
-
-enum v4l2_mpeg_video_h264_profile -
- The profile information for H264. Applicable to the H264 encoder.
- Possible values are:
-
-
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE``
-
- - Baseline profile
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE``
-
- - Constrained Baseline profile
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_MAIN``
-
- - Main profile
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED``
-
- - Extended profile
-
- - .. row 5
+ This read-only control returns the frame counter of the frame that
+ is currently displayed (decoded). This value is reset to 0 whenever
+ the decoder is started.
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH``
+``V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (boolean)``
+ If enabled the decoder expects to receive a single slice per buffer,
+ otherwise the decoder expects a single frame in per buffer.
+ Applicable to the decoder, all codecs.
- - High profile
+``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
+ Enable writing sample aspect ratio in the Video Usability
+ Information. Applicable to the H264 encoder.
- - .. row 6
+.. _v4l2-mpeg-video-h264-vui-sar-idc:
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10``
+``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC``
+ (enum)
- - High 10 profile
+enum v4l2_mpeg_video_h264_vui_sar_idc -
+ VUI sample aspect ratio indicator for H.264 encoding. The value is
+ defined in the table E-1 in the standard. Applicable to the H264
+ encoder.
- - .. row 7
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422``
- - High 422 profile
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - .. row 8
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED``
+ - Unspecified
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1``
+ - 1x1
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11``
+ - 12x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11``
+ - 10x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11``
+ - 16x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33``
+ - 40x33
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11``
+ - 24x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11``
+ - 20x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11``
+ - 32x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33``
+ - 80x33
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11``
+ - 18x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11``
+ - 15x11
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33``
+ - 64x33
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99``
+ - 160x99
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3``
+ - 4x3
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2``
+ - 3x2
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1``
+ - 2x1
+ * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED``
+ - Extended SAR
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE``
- - High 444 Predictive profile
- - .. row 9
+``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH (integer)``
+ Extended sample aspect ratio width for H.264 VUI encoding.
+ Applicable to the H264 encoder.
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA``
+``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT (integer)``
+ Extended sample aspect ratio height for H.264 VUI encoding.
+ Applicable to the H264 encoder.
- - High 10 Intra profile
+.. _v4l2-mpeg-video-h264-level:
- - .. row 10
+``V4L2_CID_MPEG_VIDEO_H264_LEVEL``
+ (enum)
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA``
+enum v4l2_mpeg_video_h264_level -
+ The level information for the H264 video elementary stream.
+ Applicable to the H264 encoder. Possible values are:
- - High 422 Intra profile
- - .. row 11
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA``
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - High 444 Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_0``
+ - Level 1.0
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1B``
+ - Level 1B
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_1``
+ - Level 1.1
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_2``
+ - Level 1.2
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_3``
+ - Level 1.3
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_0``
+ - Level 2.0
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_1``
+ - Level 2.1
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_2``
+ - Level 2.2
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_0``
+ - Level 3.0
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_1``
+ - Level 3.1
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_2``
+ - Level 3.2
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_0``
+ - Level 4.0
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_1``
+ - Level 4.1
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_2``
+ - Level 4.2
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_0``
+ - Level 5.0
+ * - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_1``
+ - Level 5.1
- - .. row 12
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA``
- - CAVLC 444 Intra profile
+.. _v4l2-mpeg-video-mpeg4-level:
- - .. row 13
+``V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL``
+ (enum)
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE``
+enum v4l2_mpeg_video_mpeg4_level -
+ The level information for the MPEG4 elementary stream. Applicable to
+ the MPEG4 encoder. Possible values are:
- - Scalable Baseline profile
- - .. row 14
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH``
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - Scalable High profile
+ * - ``V4L2_MPEG_VIDEO_LEVEL_0``
+ - Level 0
+ * - ``V4L2_MPEG_VIDEO_LEVEL_0B``
+ - Level 0b
+ * - ``V4L2_MPEG_VIDEO_LEVEL_1``
+ - Level 1
+ * - ``V4L2_MPEG_VIDEO_LEVEL_2``
+ - Level 2
+ * - ``V4L2_MPEG_VIDEO_LEVEL_3``
+ - Level 3
+ * - ``V4L2_MPEG_VIDEO_LEVEL_3B``
+ - Level 3b
+ * - ``V4L2_MPEG_VIDEO_LEVEL_4``
+ - Level 4
+ * - ``V4L2_MPEG_VIDEO_LEVEL_5``
+ - Level 5
- - .. row 15
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA``
- - Scalable High Intra profile
+.. _v4l2-mpeg-video-h264-profile:
- - .. row 16
+``V4L2_CID_MPEG_VIDEO_H264_PROFILE``
+ (enum)
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH``
+enum v4l2_mpeg_video_h264_profile -
+ The profile information for H264. Applicable to the H264 encoder.
+ Possible values are:
- - Stereo High profile
- - .. row 17
- - ``V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH``
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
- - Multiview High profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE``
+ - Baseline profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE``
+ - Constrained Baseline profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_MAIN``
+ - Main profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED``
+ - Extended profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH``
+ - High profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10``
+ - High 10 profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422``
+ - High 422 profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE``
+ - High 444 Predictive profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA``
+ - High 10 Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA``
+ - High 422 Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA``
+ - High 444 Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA``
+ - CAVLC 444 Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE``
+ - Scalable Baseline profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH``
+ - Scalable High profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA``
+ - Scalable High Intra profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH``
+ - Stereo High profile
+ * - ``V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH``
+ - Multiview High profile
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_PROFILE_SIMPLE``
-
- - Simple profile
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_PROFILE_ADVANCED_SIMPLE``
-
- - Advanced Simple profile
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_PROFILE_CORE``
-
- - Core profile
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_PROFILE_SIMPLE_SCALABLE``
-
- - Simple Scalable profile
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_PROFILE_ADVANCED_CODING_EFFICIENCY``
-
- -
+ * - ``V4L2_MPEG_VIDEO_PROFILE_SIMPLE``
+ - Simple profile
+ * - ``V4L2_MPEG_VIDEO_PROFILE_ADVANCED_SIMPLE``
+ - Advanced Simple profile
+ * - ``V4L2_MPEG_VIDEO_PROFILE_CORE``
+ - Core profile
+ * - ``V4L2_MPEG_VIDEO_PROFILE_SIMPLE_SCALABLE``
+ - Simple Scalable profile
+ * - ``V4L2_MPEG_VIDEO_PROFILE_ADVANCED_CODING_EFFICIENCY``
+ -
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE``
-
- - Single slice per frame.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB``
-
- - Multiple slices with set maximum number of macroblocks per slice.
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES``
-
- - Multiple slice with set maximum size in bytes per slice.
+ * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE``
+ - Single slice per frame.
+ * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB``
+ - Multiple slices with set maximum number of macroblocks per slice.
+ * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES``
+ - Multiple slice with set maximum size in bytes per slice.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED``
-
- - Loop filter is enabled.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED``
-
- - Loop filter is disabled.
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY``
-
- - Loop filter is disabled at the slice boundary.
+ * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED``
+ - Loop filter is enabled.
+ * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED``
+ - Loop filter is disabled.
+ * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY``
+ - Loop filter is disabled at the slice boundary.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC``
-
- - Use CAVLC entropy coding.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC``
-
- - Use CABAC entropy coding.
+ * - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC``
+ - Use CAVLC entropy coding.
+ * - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC``
+ - Use CABAC entropy coding.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE``
-
- - The stream header is returned separately in the first buffer.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME``
-
- - The stream header is returned together with the first encoded
- frame.
+ * - ``V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE``
+ - The stream header is returned separately in the first buffer.
+ * - ``V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME``
+ - The stream header is returned together with the first encoded
+ frame.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD``
-
- - Pixels are alternatively from L and R.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN``
-
- - L and R are interlaced by column.
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW``
-
- - L and R are interlaced by row.
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE``
-
- - L is on the left, R on the right.
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM``
-
- - L is on top, R on bottom.
-
- - .. row 6
-
- - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL``
-
- - One view per frame.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD``
+ - Pixels are alternatively from L and R.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN``
+ - L and R are interlaced by column.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW``
+ - L and R are interlaced by row.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE``
+ - L is on the left, R on the right.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM``
+ - L is on top, R on bottom.
+ * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL``
+ - One view per frame.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES``
-
- - Slices are interleaved one after other with macroblocks in run
- length order.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES``
-
- - Scatters the macroblocks based on a mathematical function known to
- both encoder and decoder.
-
- - .. row 3
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER``
-
- - Macroblocks arranged in rectangular areas or regions of interest.
-
- - .. row 4
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT``
-
- - Slice groups grow in a cyclic way from centre to outwards.
-
- - .. row 5
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN``
-
- - Slice groups grow in raster scan pattern from left to right.
-
- - .. row 6
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN``
-
- - Slice groups grow in wipe scan pattern from top to bottom.
-
- - .. row 7
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT``
-
- - User defined map type.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES``
+ - Slices are interleaved one after other with macroblocks in run
+ length order.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES``
+ - Scatters the macroblocks based on a mathematical function known to
+ both encoder and decoder.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER``
+ - Macroblocks arranged in rectangular areas or regions of interest.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT``
+ - Slice groups grow in a cyclic way from centre to outwards.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN``
+ - Slice groups grow in raster scan pattern from left to right.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN``
+ - Slice groups grow in wipe scan pattern from top to bottom.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT``
+ - User defined map type.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT``
-
- - Raster scan or wipe right.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT``
-
- - Reverse raster scan or wipe left.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT``
+ - Raster scan or wipe right.
+ * - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT``
+ - Reverse raster scan or wipe left.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Bit 0:15
-
- - Slice ID
-
- - .. row 2
-
- - Bit 16:32
-
- - Slice position or order
+ * - Bit 0:15
+ - Slice ID
+ * - Bit 16:32
+ - Slice position or order
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B``
-
- - Hierarchical B coding.
-
- - .. row 2
-
- - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P``
-
- - Hierarchical P coding.
+ * - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B``
+ - Hierarchical B coding.
+ * - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P``
+ - Hierarchical P coding.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Bit 0:15
-
- - QP value
-
- - .. row 2
-
- - Bit 16:32
-
- - Layer number
+ * - Bit 0:15
+ - QP value
+ * - Bit 16:32
+ - Layer number
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Bit 0:7
-
- - V chrominance information
-
- - .. row 2
-
- - Bit 8:15
-
- - U chrominance information
-
- - .. row 3
-
- - Bit 16:23
-
- - Y luminance information
-
- - .. row 4
-
- - Bit 24:31
-
- - Must be zero.
+ * - Bit 0:7
+ - V chrominance information
+ * - Bit 8:15
+ - U chrominance information
+ * - Bit 16:23
+ - Y luminance information
+ * - Bit 24:31
+ - Must be zero.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_DISABLED``
-
- - Frame skip mode is disabled.
-
- - .. row 2
-
- - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_LEVEL_LIMIT``
-
- - Frame skip mode enabled and buffer limit is set by the chosen
- level and is defined by the standard.
-
- - .. row 3
-
- - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_BUF_LIMIT``
-
- - Frame skip mode enabled and buffer limit is set by the VBV
- (MPEG1/2/4) or CPB (H264) buffer size control.
+ * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_DISABLED``
+ - Frame skip mode is disabled.
+ * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_LEVEL_LIMIT``
+ - Frame skip mode enabled and buffer limit is set by the chosen
+ level and is defined by the standard.
+ * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_BUF_LIMIT``
+ - Frame skip mode enabled and buffer limit is set by the VBV
+ (MPEG1/2/4) or CPB (H264) buffer size control.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_DISABLED``
-
- - Forcing a specific frame type disabled.
-
- - .. row 2
-
- - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_I_FRAME``
-
- - Force an I-frame.
-
- - .. row 3
-
- - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_NOT_CODED``
-
- - Force a non-coded frame.
+ * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_DISABLED``
+ - Forcing a specific frame type disabled.
+ * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_I_FRAME``
+ - Force an I-frame.
+ * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_NOT_CODED``
+ - Force a non-coded frame.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL``
-
- - Choose the filter manually
-
- - .. row 2
-
- - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO``
-
- - Choose the filter automatically
+ * - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL``
+ - Choose the filter manually
+ * - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO``
+ - Choose the filter automatically
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF``
-
- - No filter
-
- - .. row 2
-
- - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR``
-
- - One-dimensional horizontal
-
- - .. row 3
-
- - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT``
-
- - One-dimensional vertical
-
- - .. row 4
-
- - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE``
-
- - Two-dimensional separable
-
- - .. row 5
-
- - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE``
-
- - Two-dimensional symmetrical non-separable
+ * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF``
+ - No filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR``
+ - One-dimensional horizontal
+ * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT``
+ - One-dimensional vertical
+ * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE``
+ - Two-dimensional separable
+ * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE``
+ - Two-dimensional symmetrical non-separable
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF``
-
- - No filter
-
- - .. row 2
-
- - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR``
-
- - One-dimensional horizontal
+ * - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF``
+ - No filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR``
+ - One-dimensional horizontal
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL``
-
- - Choose the filter manually
-
- - .. row 2
-
- - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO``
-
- - Choose the filter automatically
+ * - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL``
+ - Choose the filter manually
+ * - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO``
+ - Choose the filter automatically
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF``
-
- - No filter
-
- - .. row 2
-
- - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR``
-
- - Horizontal filter
-
- - .. row 3
-
- - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT``
-
- - Vertical filter
-
- - .. row 4
-
- - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT``
-
- - Horizontal and vertical filter
-
- - .. row 5
-
- - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG``
-
- - Diagonal filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF``
+ - No filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR``
+ - Horizontal filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT``
+ - Vertical filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT``
+ - Horizontal and vertical filter
+ * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG``
+ - Diagonal filter
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION``
-
- - 1 coefficient partition
-
- - .. row 2
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS``
-
- - 2 coefficient partitions
-
- - .. row 3
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS``
-
- - 4 coefficient partitions
-
- - .. row 4
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS``
-
- - 8 coefficient partitions
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION``
+ - 1 coefficient partition
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS``
+ - 2 coefficient partitions
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS``
+ - 4 coefficient partitions
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS``
+ - 8 coefficient partitions
.. flat-table::
:header-rows: 0
- :stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME``
-
- - Last encoded frame will be searched
-
- - .. row 2
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME``
-
- - Two frames will be searched among the last encoded frame, the
- golden frame and the alternate reference (altref) frame. The
- encoder implementation will decide which two are chosen.
-
- - .. row 3
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME``
+ :stub-columns: 0
- - The last encoded frame, the golden frame and the altref frame will
- be searched.
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME``
+ - Last encoded frame will be searched
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME``
+ - Two frames will be searched among the last encoded frame, the
+ golden frame and the alternate reference (altref) frame. The
+ encoder implementation will decide which two are chosen.
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME``
+ - The last encoded frame, the golden frame and the altref frame will
+ be searched.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV``
-
- - Use the (n-2)th frame as a golden frame, current frame index being
- 'n'.
-
- - .. row 2
-
- - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD``
-
- - Use the previous specific frame indicated by
- ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD`` as a
- golden frame.
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV``
+ - Use the (n-2)th frame as a golden frame, current frame index being
+ 'n'.
+ * - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD``
+ - Use the previous specific frame indicated by
+ ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD`` as a
+ golden frame.
.. raw:: latex
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_EXPOSURE_AUTO``
-
- - Automatic exposure time, automatic iris aperture.
-
- - .. row 2
-
- - ``V4L2_EXPOSURE_MANUAL``
-
- - Manual exposure time, manual iris.
-
- - .. row 3
-
- - ``V4L2_EXPOSURE_SHUTTER_PRIORITY``
-
- - Manual exposure time, auto iris.
-
- - .. row 4
-
- - ``V4L2_EXPOSURE_APERTURE_PRIORITY``
-
- - Auto exposure time, manual iris.
+ * - ``V4L2_EXPOSURE_AUTO``
+ - Automatic exposure time, automatic iris aperture.
+ * - ``V4L2_EXPOSURE_MANUAL``
+ - Manual exposure time, manual iris.
+ * - ``V4L2_EXPOSURE_SHUTTER_PRIORITY``
+ - Manual exposure time, auto iris.
+ * - ``V4L2_EXPOSURE_APERTURE_PRIORITY``
+ - Auto exposure time, manual iris.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_EXPOSURE_METERING_AVERAGE``
-
- - Use the light information coming from the entire frame and average
- giving no weighting to any particular portion of the metered area.
-
- - .. row 2
-
- - ``V4L2_EXPOSURE_METERING_CENTER_WEIGHTED``
-
- - Average the light information coming from the entire frame giving
- priority to the center of the metered area.
-
- - .. row 3
-
- - ``V4L2_EXPOSURE_METERING_SPOT``
-
- - Measure only very small area at the center of the frame.
-
- - .. row 4
-
- - ``V4L2_EXPOSURE_METERING_MATRIX``
-
- - A multi-zone metering. The light intensity is measured in several
- points of the frame and the results are combined. The algorithm of
- the zones selection and their significance in calculating the
- final value is device dependent.
+ * - ``V4L2_EXPOSURE_METERING_AVERAGE``
+ - Use the light information coming from the entire frame and average
+ giving no weighting to any particular portion of the metered area.
+ * - ``V4L2_EXPOSURE_METERING_CENTER_WEIGHTED``
+ - Average the light information coming from the entire frame giving
+ priority to the center of the metered area.
+ * - ``V4L2_EXPOSURE_METERING_SPOT``
+ - Measure only very small area at the center of the frame.
+ * - ``V4L2_EXPOSURE_METERING_MATRIX``
+ - A multi-zone metering. The light intensity is measured in several
+ points of the frame and the results are combined. The algorithm of
+ the zones selection and their significance in calculating the
+ final value is device dependent.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_AUTO_FOCUS_STATUS_IDLE``
-
- - Automatic focus is not active.
-
- - .. row 2
-
- - ``V4L2_AUTO_FOCUS_STATUS_BUSY``
-
- - Automatic focusing is in progress.
-
- - .. row 3
-
- - ``V4L2_AUTO_FOCUS_STATUS_REACHED``
-
- - Focus has been reached.
-
- - .. row 4
-
- - ``V4L2_AUTO_FOCUS_STATUS_FAILED``
-
- - Automatic focus has failed, the driver will not transition from
- this state until another action is performed by an application.
+ * - ``V4L2_AUTO_FOCUS_STATUS_IDLE``
+ - Automatic focus is not active.
+ * - ``V4L2_AUTO_FOCUS_STATUS_BUSY``
+ - Automatic focusing is in progress.
+ * - ``V4L2_AUTO_FOCUS_STATUS_REACHED``
+ - Focus has been reached.
+ * - ``V4L2_AUTO_FOCUS_STATUS_FAILED``
+ - Automatic focus has failed, the driver will not transition from
+ this state until another action is performed by an application.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_AUTO_FOCUS_RANGE_AUTO``
-
- - The camera automatically selects the focus range.
-
- - .. row 2
-
- - ``V4L2_AUTO_FOCUS_RANGE_NORMAL``
-
- - Normal distance range, limited for best automatic focus
- performance.
-
- - .. row 3
-
- - ``V4L2_AUTO_FOCUS_RANGE_MACRO``
-
- - Macro (close-up) auto focus. The camera will use its minimum
- possible distance for auto focus.
-
- - .. row 4
-
- - ``V4L2_AUTO_FOCUS_RANGE_INFINITY``
-
- - The lens is set to focus on an object at infinite distance.
+ * - ``V4L2_AUTO_FOCUS_RANGE_AUTO``
+ - The camera automatically selects the focus range.
+ * - ``V4L2_AUTO_FOCUS_RANGE_NORMAL``
+ - Normal distance range, limited for best automatic focus
+ performance.
+ * - ``V4L2_AUTO_FOCUS_RANGE_MACRO``
+ - Macro (close-up) auto focus. The camera will use its minimum
+ possible distance for auto focus.
+ * - ``V4L2_AUTO_FOCUS_RANGE_INFINITY``
+ - The lens is set to focus on an object at infinite distance.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_WHITE_BALANCE_MANUAL``
-
- - Manual white balance.
-
- - .. row 2
-
- - ``V4L2_WHITE_BALANCE_AUTO``
-
- - Automatic white balance adjustments.
-
- - .. row 3
-
- - ``V4L2_WHITE_BALANCE_INCANDESCENT``
-
- - White balance setting for incandescent (tungsten) lighting. It
- generally cools down the colors and corresponds approximately to
- 2500...3500 K color temperature range.
-
- - .. row 4
-
- - ``V4L2_WHITE_BALANCE_FLUORESCENT``
-
- - White balance preset for fluorescent lighting. It corresponds
- approximately to 4000...5000 K color temperature.
-
- - .. row 5
-
- - ``V4L2_WHITE_BALANCE_FLUORESCENT_H``
-
- - With this setting the camera will compensate for fluorescent H
- lighting.
-
- - .. row 6
-
- - ``V4L2_WHITE_BALANCE_HORIZON``
-
- - White balance setting for horizon daylight. It corresponds
- approximately to 5000 K color temperature.
-
- - .. row 7
-
- - ``V4L2_WHITE_BALANCE_DAYLIGHT``
-
- - White balance preset for daylight (with clear sky). It corresponds
- approximately to 5000...6500 K color temperature.
-
- - .. row 8
-
- - ``V4L2_WHITE_BALANCE_FLASH``
-
- - With this setting the camera will compensate for the flash light.
- It slightly warms up the colors and corresponds roughly to
- 5000...5500 K color temperature.
-
- - .. row 9
-
- - ``V4L2_WHITE_BALANCE_CLOUDY``
-
- - White balance preset for moderately overcast sky. This option
- corresponds approximately to 6500...8000 K color temperature
- range.
-
- - .. row 10
-
- - ``V4L2_WHITE_BALANCE_SHADE``
-
- - White balance preset for shade or heavily overcast sky. It
- corresponds approximately to 9000...10000 K color temperature.
+ * - ``V4L2_WHITE_BALANCE_MANUAL``
+ - Manual white balance.
+ * - ``V4L2_WHITE_BALANCE_AUTO``
+ - Automatic white balance adjustments.
+ * - ``V4L2_WHITE_BALANCE_INCANDESCENT``
+ - White balance setting for incandescent (tungsten) lighting. It
+ generally cools down the colors and corresponds approximately to
+ 2500...3500 K color temperature range.
+ * - ``V4L2_WHITE_BALANCE_FLUORESCENT``
+ - White balance preset for fluorescent lighting. It corresponds
+ approximately to 4000...5000 K color temperature.
+ * - ``V4L2_WHITE_BALANCE_FLUORESCENT_H``
+ - With this setting the camera will compensate for fluorescent H
+ lighting.
+ * - ``V4L2_WHITE_BALANCE_HORIZON``
+ - White balance setting for horizon daylight. It corresponds
+ approximately to 5000 K color temperature.
+ * - ``V4L2_WHITE_BALANCE_DAYLIGHT``
+ - White balance preset for daylight (with clear sky). It corresponds
+ approximately to 5000...6500 K color temperature.
+ * - ``V4L2_WHITE_BALANCE_FLASH``
+ - With this setting the camera will compensate for the flash light.
+ It slightly warms up the colors and corresponds roughly to
+ 5000...5500 K color temperature.
+ * - ``V4L2_WHITE_BALANCE_CLOUDY``
+ - White balance preset for moderately overcast sky. This option
+ corresponds approximately to 6500...8000 K color temperature
+ range.
+ * - ``V4L2_WHITE_BALANCE_SHADE``
+ - White balance preset for shade or heavily overcast sky. It
+ corresponds approximately to 9000...10000 K color temperature.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_CID_ISO_SENSITIVITY_MANUAL``
-
- - Manual ISO sensitivity.
-
- - .. row 2
-
- - ``V4L2_CID_ISO_SENSITIVITY_AUTO``
-
- - Automatic ISO sensitivity adjustments.
+ * - ``V4L2_CID_ISO_SENSITIVITY_MANUAL``
+ - Manual ISO sensitivity.
+ * - ``V4L2_CID_ISO_SENSITIVITY_AUTO``
+ - Automatic ISO sensitivity adjustments.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_SCENE_MODE_NONE``
-
- - The scene mode feature is disabled.
-
- - .. row 2
-
- - ``V4L2_SCENE_MODE_BACKLIGHT``
-
- - Backlight. Compensates for dark shadows when light is coming from
- behind a subject, also by automatically turning on the flash.
-
- - .. row 3
-
- - ``V4L2_SCENE_MODE_BEACH_SNOW``
-
- - Beach and snow. This mode compensates for all-white or bright
- scenes, which tend to look gray and low contrast, when camera's
- automatic exposure is based on an average scene brightness. To
- compensate, this mode automatically slightly overexposes the
- frames. The white balance may also be adjusted to compensate for
- the fact that reflected snow looks bluish rather than white.
-
- - .. row 4
-
- - ``V4L2_SCENE_MODE_CANDLELIGHT``
-
- - Candle light. The camera generally raises the ISO sensitivity and
- lowers the shutter speed. This mode compensates for relatively
- close subject in the scene. The flash is disabled in order to
- preserve the ambiance of the light.
-
- - .. row 5
-
- - ``V4L2_SCENE_MODE_DAWN_DUSK``
-
- - Dawn and dusk. Preserves the colors seen in low natural light
- before dusk and after down. The camera may turn off the flash, and
- automatically focus at infinity. It will usually boost saturation
- and lower the shutter speed.
-
- - .. row 6
-
- - ``V4L2_SCENE_MODE_FALL_COLORS``
-
- - Fall colors. Increases saturation and adjusts white balance for
- color enhancement. Pictures of autumn leaves get saturated reds
- and yellows.
-
- - .. row 7
-
- - ``V4L2_SCENE_MODE_FIREWORKS``
-
- - Fireworks. Long exposure times are used to capture the expanding
- burst of light from a firework. The camera may invoke image
- stabilization.
-
- - .. row 8
-
- - ``V4L2_SCENE_MODE_LANDSCAPE``
-
- - Landscape. The camera may choose a small aperture to provide deep
- depth of field and long exposure duration to help capture detail
- in dim light conditions. The focus is fixed at infinity. Suitable
- for distant and wide scenery.
-
- - .. row 9
-
- - ``V4L2_SCENE_MODE_NIGHT``
-
- - Night, also known as Night Landscape. Designed for low light
- conditions, it preserves detail in the dark areas without blowing
- out bright objects. The camera generally sets itself to a
- medium-to-high ISO sensitivity, with a relatively long exposure
- time, and turns flash off. As such, there will be increased image
- noise and the possibility of blurred image.
-
- - .. row 10
-
- - ``V4L2_SCENE_MODE_PARTY_INDOOR``
-
- - Party and indoor. Designed to capture indoor scenes that are lit
- by indoor background lighting as well as the flash. The camera
- usually increases ISO sensitivity, and adjusts exposure for the
- low light conditions.
-
- - .. row 11
-
- - ``V4L2_SCENE_MODE_PORTRAIT``
-
- - Portrait. The camera adjusts the aperture so that the depth of
- field is reduced, which helps to isolate the subject against a
- smooth background. Most cameras recognize the presence of faces in
- the scene and focus on them. The color hue is adjusted to enhance
- skin tones. The intensity of the flash is often reduced.
-
- - .. row 12
-
- - ``V4L2_SCENE_MODE_SPORTS``
-
- - Sports. Significantly increases ISO and uses a fast shutter speed
- to freeze motion of rapidly-moving subjects. Increased image noise
- may be seen in this mode.
-
- - .. row 13
-
- - ``V4L2_SCENE_MODE_SUNSET``
-
- - Sunset. Preserves deep hues seen in sunsets and sunrises. It bumps
- up the saturation.
-
- - .. row 14
-
- - ``V4L2_SCENE_MODE_TEXT``
-
- - Text. It applies extra contrast and sharpness, it is typically a
- black-and-white mode optimized for readability. Automatic focus
- may be switched to close-up mode and this setting may also involve
- some lens-distortion correction.
+ * - ``V4L2_SCENE_MODE_NONE``
+ - The scene mode feature is disabled.
+ * - ``V4L2_SCENE_MODE_BACKLIGHT``
+ - Backlight. Compensates for dark shadows when light is coming from
+ behind a subject, also by automatically turning on the flash.
+ * - ``V4L2_SCENE_MODE_BEACH_SNOW``
+ - Beach and snow. This mode compensates for all-white or bright
+ scenes, which tend to look gray and low contrast, when camera's
+ automatic exposure is based on an average scene brightness. To
+ compensate, this mode automatically slightly overexposes the
+ frames. The white balance may also be adjusted to compensate for
+ the fact that reflected snow looks bluish rather than white.
+ * - ``V4L2_SCENE_MODE_CANDLELIGHT``
+ - Candle light. The camera generally raises the ISO sensitivity and
+ lowers the shutter speed. This mode compensates for relatively
+ close subject in the scene. The flash is disabled in order to
+ preserve the ambiance of the light.
+ * - ``V4L2_SCENE_MODE_DAWN_DUSK``
+ - Dawn and dusk. Preserves the colors seen in low natural light
+ before dusk and after down. The camera may turn off the flash, and
+ automatically focus at infinity. It will usually boost saturation
+ and lower the shutter speed.
+ * - ``V4L2_SCENE_MODE_FALL_COLORS``
+ - Fall colors. Increases saturation and adjusts white balance for
+ color enhancement. Pictures of autumn leaves get saturated reds
+ and yellows.
+ * - ``V4L2_SCENE_MODE_FIREWORKS``
+ - Fireworks. Long exposure times are used to capture the expanding
+ burst of light from a firework. The camera may invoke image
+ stabilization.
+ * - ``V4L2_SCENE_MODE_LANDSCAPE``
+ - Landscape. The camera may choose a small aperture to provide deep
+ depth of field and long exposure duration to help capture detail
+ in dim light conditions. The focus is fixed at infinity. Suitable
+ for distant and wide scenery.
+ * - ``V4L2_SCENE_MODE_NIGHT``
+ - Night, also known as Night Landscape. Designed for low light
+ conditions, it preserves detail in the dark areas without blowing
+ out bright objects. The camera generally sets itself to a
+ medium-to-high ISO sensitivity, with a relatively long exposure
+ time, and turns flash off. As such, there will be increased image
+ noise and the possibility of blurred image.
+ * - ``V4L2_SCENE_MODE_PARTY_INDOOR``
+ - Party and indoor. Designed to capture indoor scenes that are lit
+ by indoor background lighting as well as the flash. The camera
+ usually increases ISO sensitivity, and adjusts exposure for the
+ low light conditions.
+ * - ``V4L2_SCENE_MODE_PORTRAIT``
+ - Portrait. The camera adjusts the aperture so that the depth of
+ field is reduced, which helps to isolate the subject against a
+ smooth background. Most cameras recognize the presence of faces in
+ the scene and focus on them. The color hue is adjusted to enhance
+ skin tones. The intensity of the flash is often reduced.
+ * - ``V4L2_SCENE_MODE_SPORTS``
+ - Sports. Significantly increases ISO and uses a fast shutter speed
+ to freeze motion of rapidly-moving subjects. Increased image noise
+ may be seen in this mode.
+ * - ``V4L2_SCENE_MODE_SUNSET``
+ - Sunset. Preserves deep hues seen in sunsets and sunrises. It bumps
+ up the saturation.
+ * - ``V4L2_SCENE_MODE_TEXT``
+ - Text. It applies extra contrast and sharpness, it is typically a
+ black-and-white mode optimized for readability. Automatic focus
+ may be switched to close-up mode and this setting may also involve
+ some lens-distortion correction.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_LOCK_EXPOSURE``
-
- - Automatic exposure adjustments lock.
-
- - .. row 2
-
- - ``V4L2_LOCK_WHITE_BALANCE``
-
- - Automatic white balance adjustments lock.
-
- - .. row 3
-
- - ``V4L2_LOCK_FOCUS``
-
- - Automatic focus lock.
+ * - ``V4L2_LOCK_EXPOSURE``
+ - Automatic exposure adjustments lock.
+ * - ``V4L2_LOCK_WHITE_BALANCE``
+ - Automatic white balance adjustments lock.
+ * - ``V4L2_LOCK_FOCUS``
+ - Automatic focus lock.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_PREEMPHASIS_DISABLED``
-
- - No pre-emphasis is applied.
-
- - .. row 2
-
- - ``V4L2_PREEMPHASIS_50_uS``
-
- - A pre-emphasis of 50 uS is used.
-
- - .. row 3
-
- - ``V4L2_PREEMPHASIS_75_uS``
-
- - A pre-emphasis of 75 uS is used.
+ * - ``V4L2_PREEMPHASIS_DISABLED``
+ - No pre-emphasis is applied.
+ * - ``V4L2_PREEMPHASIS_50_uS``
+ - A pre-emphasis of 50 uS is used.
+ * - ``V4L2_PREEMPHASIS_75_uS``
+ - A pre-emphasis of 75 uS is used.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_FLASH_LED_MODE_NONE``
-
- - Off.
-
- - .. row 2
-
- - ``V4L2_FLASH_LED_MODE_FLASH``
-
- - Flash mode.
-
- - .. row 3
-
- - ``V4L2_FLASH_LED_MODE_TORCH``
-
- - Torch mode. See V4L2_CID_FLASH_TORCH_INTENSITY.
+ * - ``V4L2_FLASH_LED_MODE_NONE``
+ - Off.
+ * - ``V4L2_FLASH_LED_MODE_FLASH``
+ - Flash mode.
+ * - ``V4L2_FLASH_LED_MODE_TORCH``
+ - Torch mode. See V4L2_CID_FLASH_TORCH_INTENSITY.
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - ``V4L2_FLASH_STROBE_SOURCE_SOFTWARE``
-
- - The flash strobe is triggered by using the
- V4L2_CID_FLASH_STROBE control.
-
- - .. row 2
-
- - ``V4L2_FLASH_STROBE_SOURCE_EXTERNAL``
-
- - The flash strobe is triggered by an external source. Typically
- this is a sensor, which makes it possible to synchronises the
- flash strobe start to exposure start.
+ * - ``V4L2_FLASH_STROBE_SOURCE_SOFTWARE``
+ - The flash strobe is triggered by using the
+ V4L2_CID_FLASH_STROBE control.
+ * - ``V4L2_FLASH_STROBE_SOURCE_EXTERNAL``
+ - The flash strobe is triggered by an external source. Typically
+ this is a sensor, which makes it possible to synchronises the
+ flash strobe start to exposure start.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_FLASH_FAULT_OVER_VOLTAGE``
-
- - Flash controller voltage to the flash LED has exceeded the limit
- specific to the flash controller.
-
- - .. row 2
-
- - ``V4L2_FLASH_FAULT_TIMEOUT``
-
- - The flash strobe was still on when the timeout set by the user ---
- V4L2_CID_FLASH_TIMEOUT control --- has expired. Not all flash
- controllers may set this in all such conditions.
-
- - .. row 3
-
- - ``V4L2_FLASH_FAULT_OVER_TEMPERATURE``
-
- - The flash controller has overheated.
-
- - .. row 4
-
- - ``V4L2_FLASH_FAULT_SHORT_CIRCUIT``
-
- - The short circuit protection of the flash controller has been
- triggered.
-
- - .. row 5
-
- - ``V4L2_FLASH_FAULT_OVER_CURRENT``
-
- - Current in the LED power supply has exceeded the limit specific to
- the flash controller.
-
- - .. row 6
-
- - ``V4L2_FLASH_FAULT_INDICATOR``
-
- - The flash controller has detected a short or open circuit
- condition on the indicator LED.
-
- - .. row 7
-
- - ``V4L2_FLASH_FAULT_UNDER_VOLTAGE``
-
- - Flash controller voltage to the flash LED has been below the
- minimum limit specific to the flash controller.
-
- - .. row 8
-
- - ``V4L2_FLASH_FAULT_INPUT_VOLTAGE``
-
- - The input voltage of the flash controller is below the limit under
- which strobing the flash at full current will not be possible.The
- condition persists until this flag is no longer set.
-
- - .. row 9
-
- - ``V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE``
-
- - The temperature of the LED has exceeded its allowed upper limit.
+ * - ``V4L2_FLASH_FAULT_OVER_VOLTAGE``
+ - Flash controller voltage to the flash LED has exceeded the limit
+ specific to the flash controller.
+ * - ``V4L2_FLASH_FAULT_TIMEOUT``
+ - The flash strobe was still on when the timeout set by the user ---
+ V4L2_CID_FLASH_TIMEOUT control --- has expired. Not all flash
+ controllers may set this in all such conditions.
+ * - ``V4L2_FLASH_FAULT_OVER_TEMPERATURE``
+ - The flash controller has overheated.
+ * - ``V4L2_FLASH_FAULT_SHORT_CIRCUIT``
+ - The short circuit protection of the flash controller has been
+ triggered.
+ * - ``V4L2_FLASH_FAULT_OVER_CURRENT``
+ - Current in the LED power supply has exceeded the limit specific to
+ the flash controller.
+ * - ``V4L2_FLASH_FAULT_INDICATOR``
+ - The flash controller has detected a short or open circuit
+ condition on the indicator LED.
+ * - ``V4L2_FLASH_FAULT_UNDER_VOLTAGE``
+ - Flash controller voltage to the flash LED has been below the
+ minimum limit specific to the flash controller.
+ * - ``V4L2_FLASH_FAULT_INPUT_VOLTAGE``
+ - The input voltage of the flash controller is below the limit under
+ which strobing the flash at full current will not be possible.The
+ condition persists until this flag is no longer set.
+ * - ``V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE``
+ - The temperature of the LED has exceeded its allowed upper limit.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_444``
-
- - No chroma subsampling, each pixel has Y, Cr and Cb values.
-
- - .. row 2
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_422``
-
- - Horizontally subsample Cr, Cb components by a factor of 2.
-
- - .. row 3
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_420``
-
- - Subsample Cr, Cb components horizontally and vertically by 2.
-
- - .. row 4
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_411``
-
- - Horizontally subsample Cr, Cb components by a factor of 4.
-
- - .. row 5
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_410``
-
- - Subsample Cr, Cb components horizontally by 4 and vertically by 2.
-
- - .. row 6
-
- - ``V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY``
-
- - Use only luminance component.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_444``
+ - No chroma subsampling, each pixel has Y, Cr and Cb values.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_422``
+ - Horizontally subsample Cr, Cb components by a factor of 2.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_420``
+ - Subsample Cr, Cb components horizontally and vertically by 2.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_411``
+ - Horizontally subsample Cr, Cb components by a factor of 4.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_410``
+ - Subsample Cr, Cb components horizontally by 4 and vertically by 2.
+ * - ``V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY``
+ - Use only luminance component.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_JPEG_ACTIVE_MARKER_APP0``
-
- - Application data segment APP\ :sub:`0`.
-
- - .. row 2
-
- - ``V4L2_JPEG_ACTIVE_MARKER_APP1``
-
- - Application data segment APP\ :sub:`1`.
-
- - .. row 3
-
- - ``V4L2_JPEG_ACTIVE_MARKER_COM``
-
- - Comment segment.
-
- - .. row 4
-
- - ``V4L2_JPEG_ACTIVE_MARKER_DQT``
-
- - Quantization tables segment.
-
- - .. row 5
-
- - ``V4L2_JPEG_ACTIVE_MARKER_DHT``
-
- - Huffman tables segment.
+ * - ``V4L2_JPEG_ACTIVE_MARKER_APP0``
+ - Application data segment APP\ :sub:`0`.
+ * - ``V4L2_JPEG_ACTIVE_MARKER_APP1``
+ - Application data segment APP\ :sub:`1`.
+ * - ``V4L2_JPEG_ACTIVE_MARKER_COM``
+ - Comment segment.
+ * - ``V4L2_JPEG_ACTIVE_MARKER_DQT``
+ - Quantization tables segment.
+ * - ``V4L2_JPEG_ACTIVE_MARKER_DHT``
+ - Huffman tables segment.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_DV_IT_CONTENT_TYPE_GRAPHICS``
-
- - Graphics content. Pixel data should be passed unfiltered and
- without analog reconstruction.
-
- - .. row 2
-
- - ``V4L2_DV_IT_CONTENT_TYPE_PHOTO``
-
- - Photo content. The content is derived from digital still pictures.
- The content should be passed through with minimal scaling and
- picture enhancements.
-
- - .. row 3
-
- - ``V4L2_DV_IT_CONTENT_TYPE_CINEMA``
-
- - Cinema content.
-
- - .. row 4
-
- - ``V4L2_DV_IT_CONTENT_TYPE_GAME``
-
- - Game content. Audio and video latency should be minimized.
-
- - .. row 5
-
- - ``V4L2_DV_IT_CONTENT_TYPE_NO_ITC``
-
- - No IT Content information is available and the ITC bit in the AVI
- InfoFrame is set to 0.
+ * - ``V4L2_DV_IT_CONTENT_TYPE_GRAPHICS``
+ - Graphics content. Pixel data should be passed unfiltered and
+ without analog reconstruction.
+ * - ``V4L2_DV_IT_CONTENT_TYPE_PHOTO``
+ - Photo content. The content is derived from digital still pictures.
+ The content should be passed through with minimal scaling and
+ picture enhancements.
+ * - ``V4L2_DV_IT_CONTENT_TYPE_CINEMA``
+ - Cinema content.
+ * - ``V4L2_DV_IT_CONTENT_TYPE_GAME``
+ - Game content. Audio and video latency should be minimized.
+ * - ``V4L2_DV_IT_CONTENT_TYPE_NO_ITC``
+ - No IT Content information is available and the ITC bit in the AVI
+ InfoFrame is set to 0.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_DEEMPHASIS_DISABLED``
-
- - No de-emphasis is applied.
-
- - .. row 2
-
- - ``V4L2_DEEMPHASIS_50_uS``
-
- - A de-emphasis of 50 uS is used.
-
- - .. row 3
-
- - ``V4L2_DEEMPHASIS_75_uS``
-
- - A de-emphasis of 75 uS is used.
+ * - ``V4L2_DEEMPHASIS_DISABLED``
+ - No de-emphasis is applied.
+ * - ``V4L2_DEEMPHASIS_50_uS``
+ - A de-emphasis of 50 uS is used.
+ * - ``V4L2_DEEMPHASIS_75_uS``
+ - A de-emphasis of 75 uS is used.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - ``V4L2_DETECT_MD_MODE_DISABLED``
-
- - Disable motion detection.
-
- - .. row 2
-
- - ``V4L2_DETECT_MD_MODE_GLOBAL``
-
- - Use a single motion detection threshold.
-
- - .. row 3
-
- - ``V4L2_DETECT_MD_MODE_THRESHOLD_GRID``
-
- - The image is divided into a grid, each cell with its own motion
- detection threshold. These thresholds are set through the
- ``V4L2_CID_DETECT_MD_THRESHOLD_GRID`` matrix control.
-
- - .. row 4
-
- - ``V4L2_DETECT_MD_MODE_REGION_GRID``
-
- - The image is divided into a grid, each cell with its own region
- value that specifies which per-region motion detection thresholds
- should be used. Each region has its own thresholds. How these
- per-region thresholds are set up is driver-specific. The region
- values for the grid are set through the
- ``V4L2_CID_DETECT_MD_REGION_GRID`` matrix control.
+ * - ``V4L2_DETECT_MD_MODE_DISABLED``
+ - Disable motion detection.
+ * - ``V4L2_DETECT_MD_MODE_GLOBAL``
+ - Use a single motion detection threshold.
+ * - ``V4L2_DETECT_MD_MODE_THRESHOLD_GRID``
+ - The image is divided into a grid, each cell with its own motion
+ detection threshold. These thresholds are set through the
+ ``V4L2_CID_DETECT_MD_THRESHOLD_GRID`` matrix control.
+ * - ``V4L2_DETECT_MD_MODE_REGION_GRID``
+ - The image is divided into a grid, each cell with its own region
+ value that specifies which per-region motion detection thresholds
+ should be used. Each region has its own thresholds. How these
+ per-region thresholds are set up is driver-specific. The region
+ values for the grid are set through the
+ ``V4L2_CID_DETECT_MD_REGION_GRID`` matrix control.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FIELD_ANY``
-
- - 0
-
- - Applications request this field order when any one of the
- ``V4L2_FIELD_NONE``, ``V4L2_FIELD_TOP``, ``V4L2_FIELD_BOTTOM``, or
- ``V4L2_FIELD_INTERLACED`` formats is acceptable. Drivers choose
- depending on hardware capabilities or e. g. the requested image
- size, and return the actual field order. Drivers must never return
- ``V4L2_FIELD_ANY``. If multiple field orders are possible the
- driver must choose one of the possible field orders during
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
- :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`. struct
- :c:type:`v4l2_buffer` ``field`` can never be
- ``V4L2_FIELD_ANY``.
-
- - .. row 2
-
- - ``V4L2_FIELD_NONE``
-
- - 1
-
- - Images are in progressive format, not interlaced. The driver may
- also indicate this order when it cannot distinguish between
- ``V4L2_FIELD_TOP`` and ``V4L2_FIELD_BOTTOM``.
-
- - .. row 3
-
- - ``V4L2_FIELD_TOP``
-
- - 2
-
- - Images consist of the top (aka odd) field only.
-
- - .. row 4
-
- - ``V4L2_FIELD_BOTTOM``
-
- - 3
-
- - Images consist of the bottom (aka even) field only. Applications
- may wish to prevent a device from capturing interlaced images
- because they will have "comb" or "feathering" artefacts around
- moving objects.
-
- - .. row 5
-
- - ``V4L2_FIELD_INTERLACED``
-
- - 4
-
- - Images contain both fields, interleaved line by line. The temporal
- order of the fields (whether the top or bottom field is first
- transmitted) depends on the current video standard. M/NTSC
- transmits the bottom field first, all other standards the top
- field first.
-
- - .. row 6
-
- - ``V4L2_FIELD_SEQ_TB``
-
- - 5
-
- - Images contain both fields, the top field lines are stored first
- in memory, immediately followed by the bottom field lines. Fields
- are always stored in temporal order, the older one first in
- memory. Image sizes refer to the frame, not fields.
-
- - .. row 7
-
- - ``V4L2_FIELD_SEQ_BT``
-
- - 6
-
- - Images contain both fields, the bottom field lines are stored
- first in memory, immediately followed by the top field lines.
- Fields are always stored in temporal order, the older one first in
- memory. Image sizes refer to the frame, not fields.
-
- - .. row 8
-
- - ``V4L2_FIELD_ALTERNATE``
-
- - 7
-
- - The two fields of a frame are passed in separate buffers, in
- temporal order, i. e. the older one first. To indicate the field
- parity (whether the current field is a top or bottom field) the
- driver or application, depending on data direction, must set
- struct :c:type:`v4l2_buffer` ``field`` to
- ``V4L2_FIELD_TOP`` or ``V4L2_FIELD_BOTTOM``. Any two successive
- fields pair to build a frame. If fields are successive, without
- any dropped fields between them (fields can drop individually),
- can be determined from the struct
- :c:type:`v4l2_buffer` ``sequence`` field. This
- format cannot be selected when using the read/write I/O method
- since there is no way to communicate if a field was a top or
- bottom field.
-
- - .. row 9
-
- - ``V4L2_FIELD_INTERLACED_TB``
-
- - 8
-
- - Images contain both fields, interleaved line by line, top field
- first. The top field is transmitted first.
-
- - .. row 10
-
- - ``V4L2_FIELD_INTERLACED_BT``
-
- - 9
-
- - Images contain both fields, interleaved line by line, top field
- first. The bottom field is transmitted first.
+ * - ``V4L2_FIELD_ANY``
+ - 0
+ - Applications request this field order when any one of the
+ ``V4L2_FIELD_NONE``, ``V4L2_FIELD_TOP``, ``V4L2_FIELD_BOTTOM``, or
+ ``V4L2_FIELD_INTERLACED`` formats is acceptable. Drivers choose
+ depending on hardware capabilities or e. g. the requested image
+ size, and return the actual field order. Drivers must never return
+ ``V4L2_FIELD_ANY``. If multiple field orders are possible the
+ driver must choose one of the possible field orders during
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
+ :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`. struct
+ :c:type:`v4l2_buffer` ``field`` can never be
+ ``V4L2_FIELD_ANY``.
+ * - ``V4L2_FIELD_NONE``
+ - 1
+ - Images are in progressive format, not interlaced. The driver may
+ also indicate this order when it cannot distinguish between
+ ``V4L2_FIELD_TOP`` and ``V4L2_FIELD_BOTTOM``.
+ * - ``V4L2_FIELD_TOP``
+ - 2
+ - Images consist of the top (aka odd) field only.
+ * - ``V4L2_FIELD_BOTTOM``
+ - 3
+ - Images consist of the bottom (aka even) field only. Applications
+ may wish to prevent a device from capturing interlaced images
+ because they will have "comb" or "feathering" artefacts around
+ moving objects.
+ * - ``V4L2_FIELD_INTERLACED``
+ - 4
+ - Images contain both fields, interleaved line by line. The temporal
+ order of the fields (whether the top or bottom field is first
+ transmitted) depends on the current video standard. M/NTSC
+ transmits the bottom field first, all other standards the top
+ field first.
+ * - ``V4L2_FIELD_SEQ_TB``
+ - 5
+ - Images contain both fields, the top field lines are stored first
+ in memory, immediately followed by the bottom field lines. Fields
+ are always stored in temporal order, the older one first in
+ memory. Image sizes refer to the frame, not fields.
+ * - ``V4L2_FIELD_SEQ_BT``
+ - 6
+ - Images contain both fields, the bottom field lines are stored
+ first in memory, immediately followed by the top field lines.
+ Fields are always stored in temporal order, the older one first in
+ memory. Image sizes refer to the frame, not fields.
+ * - ``V4L2_FIELD_ALTERNATE``
+ - 7
+ - The two fields of a frame are passed in separate buffers, in
+ temporal order, i. e. the older one first. To indicate the field
+ parity (whether the current field is a top or bottom field) the
+ driver or application, depending on data direction, must set
+ struct :c:type:`v4l2_buffer` ``field`` to
+ ``V4L2_FIELD_TOP`` or ``V4L2_FIELD_BOTTOM``. Any two successive
+ fields pair to build a frame. If fields are successive, without
+ any dropped fields between them (fields can drop individually),
+ can be determined from the struct
+ :c:type:`v4l2_buffer` ``sequence`` field. This
+ format cannot be selected when using the read/write I/O method
+ since there is no way to communicate if a field was a top or
+ bottom field.
+ * - ``V4L2_FIELD_INTERLACED_TB``
+ - 8
+ - Images contain both fields, interleaved line by line, top field
+ first. The top field is transmitted first.
+ * - ``V4L2_FIELD_INTERLACED_BT``
+ - 9
+ - Images contain both fields, interleaved line by line, top field
+ first. The bottom field is transmitted first.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Old defines
-
- - enum :c:type:`v4l2_buf_type`
-
- - .. row 2
-
- - ``V4L2_BUF_TYPE_CAPTURE``
-
- - ``V4L2_BUF_TYPE_VIDEO_CAPTURE``
-
- - .. row 3
-
- - ``V4L2_BUF_TYPE_CODECIN``
-
- - Omitted for now
-
- - .. row 4
-
- - ``V4L2_BUF_TYPE_CODECOUT``
-
- - Omitted for now
-
- - .. row 5
-
- - ``V4L2_BUF_TYPE_EFFECTSIN``
-
- - Omitted for now
-
- - .. row 6
-
- - ``V4L2_BUF_TYPE_EFFECTSIN2``
-
- - Omitted for now
-
- - .. row 7
-
- - ``V4L2_BUF_TYPE_EFFECTSOUT``
-
- - Omitted for now
-
- - .. row 8
-
- - ``V4L2_BUF_TYPE_VIDEOOUT``
-
- - ``V4L2_BUF_TYPE_VIDEO_OUTPUT``
-
- - .. row 9
-
- - ``-``
-
- - ``V4L2_BUF_TYPE_VIDEO_OVERLAY``
-
- - .. row 10
-
- - ``-``
-
- - ``V4L2_BUF_TYPE_VBI_CAPTURE``
-
- - .. row 11
-
- - ``-``
-
- - ``V4L2_BUF_TYPE_VBI_OUTPUT``
-
- - .. row 12
-
- - ``-``
-
- - ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE``
-
- - .. row 13
-
- - ``-``
-
- - ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``
-
- - .. row 14
-
- - ``V4L2_BUF_TYPE_PRIVATE_BASE``
-
- - ``V4L2_BUF_TYPE_PRIVATE`` (but this is deprecated)
+ * - Old defines
+ - enum :c:type:`v4l2_buf_type`
+ * - ``V4L2_BUF_TYPE_CAPTURE``
+ - ``V4L2_BUF_TYPE_VIDEO_CAPTURE``
+ * - ``V4L2_BUF_TYPE_CODECIN``
+ - Omitted for now
+ * - ``V4L2_BUF_TYPE_CODECOUT``
+ - Omitted for now
+ * - ``V4L2_BUF_TYPE_EFFECTSIN``
+ - Omitted for now
+ * - ``V4L2_BUF_TYPE_EFFECTSIN2``
+ - Omitted for now
+ * - ``V4L2_BUF_TYPE_EFFECTSOUT``
+ - Omitted for now
+ * - ``V4L2_BUF_TYPE_VIDEOOUT``
+ - ``V4L2_BUF_TYPE_VIDEO_OUTPUT``
+ * - ``-``
+ - ``V4L2_BUF_TYPE_VIDEO_OVERLAY``
+ * - ``-``
+ - ``V4L2_BUF_TYPE_VBI_CAPTURE``
+ * - ``-``
+ - ``V4L2_BUF_TYPE_VBI_OUTPUT``
+ * - ``-``
+ - ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE``
+ * - ``-``
+ - ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``
+ * - ``V4L2_BUF_TYPE_PRIVATE_BASE``
+ - ``V4L2_BUF_TYPE_PRIVATE`` (but this is deprecated)
10. In struct :c:type:`v4l2_fmtdesc` a enum
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Old flag
-
- - enum :c:type:`v4l2_field`
-
- - .. row 2
-
- - ``V4L2_FMT_FLAG_NOT_INTERLACED``
-
- - ?
-
- - .. row 3
-
- - ``V4L2_FMT_FLAG_INTERLACED`` = ``V4L2_FMT_FLAG_COMBINED``
-
- - ``V4L2_FIELD_INTERLACED``
-
- - .. row 4
-
- - ``V4L2_FMT_FLAG_TOPFIELD`` = ``V4L2_FMT_FLAG_ODDFIELD``
-
- - ``V4L2_FIELD_TOP``
-
- - .. row 5
-
- - ``V4L2_FMT_FLAG_BOTFIELD`` = ``V4L2_FMT_FLAG_EVENFIELD``
-
- - ``V4L2_FIELD_BOTTOM``
-
- - .. row 6
-
- - ``-``
-
- - ``V4L2_FIELD_SEQ_TB``
-
- - .. row 7
-
- - ``-``
-
- - ``V4L2_FIELD_SEQ_BT``
-
- - .. row 8
-
- - ``-``
-
- - ``V4L2_FIELD_ALTERNATE``
+ * - Old flag
+ - enum :c:type:`v4l2_field`
+ * - ``V4L2_FMT_FLAG_NOT_INTERLACED``
+ - ?
+ * - ``V4L2_FMT_FLAG_INTERLACED`` = ``V4L2_FMT_FLAG_COMBINED``
+ - ``V4L2_FIELD_INTERLACED``
+ * - ``V4L2_FMT_FLAG_TOPFIELD`` = ``V4L2_FMT_FLAG_ODDFIELD``
+ - ``V4L2_FIELD_TOP``
+ * - ``V4L2_FMT_FLAG_BOTFIELD`` = ``V4L2_FMT_FLAG_EVENFIELD``
+ - ``V4L2_FIELD_BOTTOM``
+ * - ``-``
+ - ``V4L2_FIELD_SEQ_TB``
+ * - ``-``
+ - ``V4L2_FIELD_SEQ_BT``
+ * - ``-``
+ - ``V4L2_FIELD_ALTERNATE``
The color space flags were replaced by a enum
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Symbol
-
- - In this document prior to revision 0.5
-
- - Corrected
-
- - .. row 2
-
- - ``V4L2_PIX_FMT_RGB24``
-
- - B, G, R
-
- - R, G, B
-
- - .. row 3
-
- - ``V4L2_PIX_FMT_BGR24``
-
- - R, G, B
-
- - B, G, R
-
- - .. row 4
-
- - ``V4L2_PIX_FMT_RGB32``
-
- - B, G, R, X
-
- - R, G, B, X
-
- - .. row 5
-
- - ``V4L2_PIX_FMT_BGR32``
-
- - R, G, B, X
-
- - B, G, R, X
+ * - Symbol
+ - In this document prior to revision 0.5
+ - Corrected
+ * - ``V4L2_PIX_FMT_RGB24``
+ - B, G, R
+ - R, G, B
+ * - ``V4L2_PIX_FMT_BGR24``
+ - R, G, B
+ - B, G, R
+ * - ``V4L2_PIX_FMT_RGB32``
+ - B, G, R, X
+ - R, G, B, X
+ * - ``V4L2_PIX_FMT_BGR32``
+ - R, G, B, X
+ - B, G, R, X
The ``V4L2_PIX_FMT_BGR24`` example was always correct.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``width``
-
- - Image width in pixels.
-
- - .. row 2
-
- - __u32
-
- - ``height``
-
- - Image height in pixels. If ``field`` is one of ``V4L2_FIELD_TOP``,
- ``V4L2_FIELD_BOTTOM`` or ``V4L2_FIELD_ALTERNATE`` then height
- refers to the number of lines in the field, otherwise it refers to
- the number of lines in the frame (which is twice the field height
- for interlaced formats).
-
- - .. row 3
-
- - :cspan:`2` Applications set these fields to request an image
- size, drivers return the closest possible values. In case of
- planar formats the ``width`` and ``height`` applies to the largest
- plane. To avoid ambiguities drivers must return values rounded up
- to a multiple of the scale factor of any smaller planes. For
- example when the image format is YUV 4:2:0, ``width`` and
- ``height`` must be multiples of two.
-
- - .. row 4
-
- - __u32
-
- - ``pixelformat``
-
- - The pixel format or type of compression, set by the application.
- This is a little endian
- :ref:`four character code <v4l2-fourcc>`. V4L2 defines standard
- RGB formats in :ref:`rgb-formats`, YUV formats in
- :ref:`yuv-formats`, and reserved codes in
- :ref:`reserved-formats`
-
- - .. row 5
-
- - enum :c:type::`v4l2_field`
-
- - ``field``
-
- - Video images are typically interlaced. Applications can request to
- capture or output only the top or bottom field, or both fields
- interlaced or sequentially stored in one buffer or alternating in
- separate buffers. Drivers return the actual field order selected.
- For more details on fields see :ref:`field-order`.
-
- - .. row 6
-
- - __u32
-
- - ``bytesperline``
-
- - Distance in bytes between the leftmost pixels in two adjacent
- lines.
-
- - .. row 7
-
- - :cspan:`2`
-
- Both applications and drivers can set this field to request
- padding bytes at the end of each line. Drivers however may ignore
- the value requested by the application, returning ``width`` times
- bytes per pixel or a larger value required by the hardware. That
- implies applications can just set this field to zero to get a
- reasonable default.
-
- Video hardware may access padding bytes, therefore they must
- reside in accessible memory. Consider cases where padding bytes
- after the last line of an image cross a system page boundary.
- Input devices may write padding bytes, the value is undefined.
- Output devices ignore the contents of padding bytes.
-
- When the image format is planar the ``bytesperline`` value applies
- to the first plane and is divided by the same factor as the
- ``width`` field for the other planes. For example the Cb and Cr
- planes of a YUV 4:2:0 image have half as many padding bytes
- following each line as the Y plane. To avoid ambiguities drivers
- must return a ``bytesperline`` value rounded up to a multiple of
- the scale factor.
-
- For compressed formats the ``bytesperline`` value makes no sense.
- Applications and drivers must set this to 0 in that case.
-
- - .. row 8
-
- - __u32
-
- - ``sizeimage``
-
- - Size in bytes of the buffer to hold a complete image, set by the
- driver. Usually this is ``bytesperline`` times ``height``. When
- the image consists of variable length compressed data this is the
- maximum number of bytes required to hold an image.
-
- - .. row 9
-
- - enum :c:type:`v4l2_colorspace`
-
- - ``colorspace``
-
- - This information supplements the ``pixelformat`` and must be set
- by the driver for capture streams and by the application for
- output streams, see :ref:`colorspaces`.
-
- - .. row 10
-
- - __u32
-
- - ``priv``
-
- - This field indicates whether the remaining fields of the
- struct :c:type:`v4l2_pix_format`, also called the
- extended fields, are valid. When set to
- ``V4L2_PIX_FMT_PRIV_MAGIC``, it indicates that the extended fields
- have been correctly initialized. When set to any other value it
- indicates that the extended fields contain undefined values.
-
- Applications that wish to use the pixel format extended fields
- must first ensure that the feature is supported by querying the
- device for the :ref:`V4L2_CAP_EXT_PIX_FORMAT <querycap>`
- capability. If the capability isn't set the pixel format extended
- fields are not supported and using the extended fields will lead
- to undefined results.
-
- To use the extended fields, applications must set the ``priv``
- field to ``V4L2_PIX_FMT_PRIV_MAGIC``, initialize all the extended
- fields and zero the unused bytes of the
- struct :c:type:`v4l2_format` ``raw_data`` field.
-
- When the ``priv`` field isn't set to ``V4L2_PIX_FMT_PRIV_MAGIC``
- drivers must act as if all the extended fields were set to zero.
- On return drivers must set the ``priv`` field to
- ``V4L2_PIX_FMT_PRIV_MAGIC`` and all the extended fields to
- applicable values.
-
- - .. row 11
-
- - __u32
-
- - ``flags``
-
- - Flags set by the application or driver, see :ref:`format-flags`.
-
- - .. row 12
-
- - enum :c:type:`v4l2_ycbcr_encoding`
-
- - ``ycbcr_enc``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 13
-
- - enum :c:type:`v4l2_quantization`
-
- - ``quantization``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 14
-
- - enum :c:type:`v4l2_xfer_func`
-
- - ``xfer_func``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
+ * - __u32
+ - ``width``
+ - Image width in pixels.
+ * - __u32
+ - ``height``
+ - Image height in pixels. If ``field`` is one of ``V4L2_FIELD_TOP``,
+ ``V4L2_FIELD_BOTTOM`` or ``V4L2_FIELD_ALTERNATE`` then height
+ refers to the number of lines in the field, otherwise it refers to
+ the number of lines in the frame (which is twice the field height
+ for interlaced formats).
+ * - :cspan:`2` Applications set these fields to request an image
+ size, drivers return the closest possible values. In case of
+ planar formats the ``width`` and ``height`` applies to the largest
+ plane. To avoid ambiguities drivers must return values rounded up
+ to a multiple of the scale factor of any smaller planes. For
+ example when the image format is YUV 4:2:0, ``width`` and
+ ``height`` must be multiples of two.
+ * - __u32
+ - ``pixelformat``
+ - The pixel format or type of compression, set by the application.
+ This is a little endian
+ :ref:`four character code <v4l2-fourcc>`. V4L2 defines standard
+ RGB formats in :ref:`rgb-formats`, YUV formats in
+ :ref:`yuv-formats`, and reserved codes in
+ :ref:`reserved-formats`
+ * - enum :c:type::`v4l2_field`
+ - ``field``
+ - Video images are typically interlaced. Applications can request to
+ capture or output only the top or bottom field, or both fields
+ interlaced or sequentially stored in one buffer or alternating in
+ separate buffers. Drivers return the actual field order selected.
+ For more details on fields see :ref:`field-order`.
+ * - __u32
+ - ``bytesperline``
+ - Distance in bytes between the leftmost pixels in two adjacent
+ lines.
+ * - :cspan:`2`
+
+ Both applications and drivers can set this field to request
+ padding bytes at the end of each line. Drivers however may ignore
+ the value requested by the application, returning ``width`` times
+ bytes per pixel or a larger value required by the hardware. That
+ implies applications can just set this field to zero to get a
+ reasonable default.
+
+ Video hardware may access padding bytes, therefore they must
+ reside in accessible memory. Consider cases where padding bytes
+ after the last line of an image cross a system page boundary.
+ Input devices may write padding bytes, the value is undefined.
+ Output devices ignore the contents of padding bytes.
+
+ When the image format is planar the ``bytesperline`` value applies
+ to the first plane and is divided by the same factor as the
+ ``width`` field for the other planes. For example the Cb and Cr
+ planes of a YUV 4:2:0 image have half as many padding bytes
+ following each line as the Y plane. To avoid ambiguities drivers
+ must return a ``bytesperline`` value rounded up to a multiple of
+ the scale factor.
+
+ For compressed formats the ``bytesperline`` value makes no sense.
+ Applications and drivers must set this to 0 in that case.
+ * - __u32
+ - ``sizeimage``
+ - Size in bytes of the buffer to hold a complete image, set by the
+ driver. Usually this is ``bytesperline`` times ``height``. When
+ the image consists of variable length compressed data this is the
+ maximum number of bytes required to hold an image.
+ * - enum :c:type:`v4l2_colorspace`
+ - ``colorspace``
+ - This information supplements the ``pixelformat`` and must be set
+ by the driver for capture streams and by the application for
+ output streams, see :ref:`colorspaces`.
+ * - __u32
+ - ``priv``
+ - This field indicates whether the remaining fields of the
+ struct :c:type:`v4l2_pix_format`, also called the
+ extended fields, are valid. When set to
+ ``V4L2_PIX_FMT_PRIV_MAGIC``, it indicates that the extended fields
+ have been correctly initialized. When set to any other value it
+ indicates that the extended fields contain undefined values.
+
+ Applications that wish to use the pixel format extended fields
+ must first ensure that the feature is supported by querying the
+ device for the :ref:`V4L2_CAP_EXT_PIX_FORMAT <querycap>`
+ capability. If the capability isn't set the pixel format extended
+ fields are not supported and using the extended fields will lead
+ to undefined results.
+
+ To use the extended fields, applications must set the ``priv``
+ field to ``V4L2_PIX_FMT_PRIV_MAGIC``, initialize all the extended
+ fields and zero the unused bytes of the
+ struct :c:type:`v4l2_format` ``raw_data`` field.
+
+ When the ``priv`` field isn't set to ``V4L2_PIX_FMT_PRIV_MAGIC``
+ drivers must act as if all the extended fields were set to zero.
+ On return drivers must set the ``priv`` field to
+ ``V4L2_PIX_FMT_PRIV_MAGIC`` and all the extended fields to
+ applicable values.
+ * - __u32
+ - ``flags``
+ - Flags set by the application or driver, see :ref:`format-flags`.
+ * - enum :c:type:`v4l2_ycbcr_encoding`
+ - ``ycbcr_enc``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_quantization`
+ - ``quantization``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_xfer_func`
+ - ``xfer_func``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``sizeimage``
-
- - Maximum size in bytes required for image data in this plane.
-
- - .. row 2
-
- - __u32
-
- - ``bytesperline``
-
- - Distance in bytes between the leftmost pixels in two adjacent
- lines. See struct :c:type:`v4l2_pix_format`.
-
- - .. row 3
-
- - __u16
-
- - ``reserved[6]``
-
- - Reserved for future extensions. Should be zeroed by drivers and
- applications.
+ * - __u32
+ - ``sizeimage``
+ - Maximum size in bytes required for image data in this plane.
+ * - __u32
+ - ``bytesperline``
+ - Distance in bytes between the leftmost pixels in two adjacent
+ lines. See struct :c:type:`v4l2_pix_format`.
+ * - __u16
+ - ``reserved[6]``
+ - Reserved for future extensions. Should be zeroed by drivers and
+ applications.
.. tabularcolumns:: |p{4.4cm}|p{5.6cm}|p{7.5cm}|
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``width``
-
- - Image width in pixels. See struct
- :c:type:`v4l2_pix_format`.
-
- - .. row 2
-
- - __u32
-
- - ``height``
-
- - Image height in pixels. See struct
- :c:type:`v4l2_pix_format`.
-
- - .. row 3
-
- - __u32
-
- - ``pixelformat``
-
- - The pixel format. Both single- and multi-planar four character
- codes can be used.
-
- - .. row 4
-
- - enum :c:type:`v4l2_field`
-
- - ``field``
-
- - See struct :c:type:`v4l2_pix_format`.
-
- - .. row 5
-
- - enum :c:type:`v4l2_colorspace`
-
- - ``colorspace``
-
- - See struct :c:type:`v4l2_pix_format`.
-
- - .. row 6
-
- - struct :c:type:`v4l2_plane_pix_format`
-
- - ``plane_fmt[VIDEO_MAX_PLANES]``
-
- - An array of structures describing format of each plane this pixel
- format consists of. The number of valid entries in this array has
- to be put in the ``num_planes`` field.
-
- - .. row 7
-
- - __u8
-
- - ``num_planes``
-
- - Number of planes (i.e. separate memory buffers) for this format
- and the number of valid entries in the ``plane_fmt`` array.
-
- - .. row 8
-
- - __u8
-
- - ``flags``
-
- - Flags set by the application or driver, see :ref:`format-flags`.
-
- - .. row 9
-
- - enum :c:type:`v4l2_ycbcr_encoding`
-
- - ``ycbcr_enc``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 10
-
- - enum :c:type:`v4l2_quantization`
-
- - ``quantization``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 11
-
- - enum :c:type:`v4l2_xfer_func`
-
- - ``xfer_func``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 12
-
- - __u8
-
- - ``reserved[7]``
-
- - Reserved for future extensions. Should be zeroed by drivers and
- applications.
+ * - __u32
+ - ``width``
+ - Image width in pixels. See struct
+ :c:type:`v4l2_pix_format`.
+ * - __u32
+ - ``height``
+ - Image height in pixels. See struct
+ :c:type:`v4l2_pix_format`.
+ * - __u32
+ - ``pixelformat``
+ - The pixel format. Both single- and multi-planar four character
+ codes can be used.
+ * - enum :c:type:`v4l2_field`
+ - ``field``
+ - See struct :c:type:`v4l2_pix_format`.
+ * - enum :c:type:`v4l2_colorspace`
+ - ``colorspace``
+ - See struct :c:type:`v4l2_pix_format`.
+ * - struct :c:type:`v4l2_plane_pix_format`
+ - ``plane_fmt[VIDEO_MAX_PLANES]``
+ - An array of structures describing format of each plane this pixel
+ format consists of. The number of valid entries in this array has
+ to be put in the ``num_planes`` field.
+ * - __u8
+ - ``num_planes``
+ - Number of planes (i.e. separate memory buffers) for this format
+ and the number of valid entries in the ``plane_fmt`` array.
+ * - __u8
+ - ``flags``
+ - Flags set by the application or driver, see :ref:`format-flags`.
+ * - enum :c:type:`v4l2_ycbcr_encoding`
+ - ``ycbcr_enc``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_quantization`
+ - ``quantization``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_xfer_func`
+ - ``xfer_func``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - __u8
+ - ``reserved[7]``
+ - Reserved for future extensions. Should be zeroed by drivers and
+ applications.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Details
-
- - .. row 2
-
- - ``V4L2_COLORSPACE_DEFAULT``
-
- - The default colorspace. This can be used by applications to let
- the driver fill in the colorspace.
-
- - .. row 3
-
- - ``V4L2_COLORSPACE_SMPTE170M``
-
- - See :ref:`col-smpte-170m`.
-
- - .. row 4
-
- - ``V4L2_COLORSPACE_REC709``
-
- - See :ref:`col-rec709`.
-
- - .. row 5
-
- - ``V4L2_COLORSPACE_SRGB``
-
- - See :ref:`col-srgb`.
-
- - .. row 6
-
- - ``V4L2_COLORSPACE_ADOBERGB``
-
- - See :ref:`col-adobergb`.
-
- - .. row 7
-
- - ``V4L2_COLORSPACE_BT2020``
-
- - See :ref:`col-bt2020`.
-
- - .. row 8
-
- - ``V4L2_COLORSPACE_DCI_P3``
-
- - See :ref:`col-dcip3`.
-
- - .. row 9
-
- - ``V4L2_COLORSPACE_SMPTE240M``
-
- - See :ref:`col-smpte-240m`.
-
- - .. row 10
-
- - ``V4L2_COLORSPACE_470_SYSTEM_M``
-
- - See :ref:`col-sysm`.
-
- - .. row 11
-
- - ``V4L2_COLORSPACE_470_SYSTEM_BG``
-
- - See :ref:`col-sysbg`.
-
- - .. row 12
-
- - ``V4L2_COLORSPACE_JPEG``
-
- - See :ref:`col-jpeg`.
-
- - .. row 13
-
- - ``V4L2_COLORSPACE_RAW``
-
- - The raw colorspace. This is used for raw image capture where the
- image is minimally processed and is using the internal colorspace
- of the device. The software that processes an image using this
- 'colorspace' will have to know the internals of the capture
- device.
+ * - Identifier
+ - Details
+ * - ``V4L2_COLORSPACE_DEFAULT``
+ - The default colorspace. This can be used by applications to let
+ the driver fill in the colorspace.
+ * - ``V4L2_COLORSPACE_SMPTE170M``
+ - See :ref:`col-smpte-170m`.
+ * - ``V4L2_COLORSPACE_REC709``
+ - See :ref:`col-rec709`.
+ * - ``V4L2_COLORSPACE_SRGB``
+ - See :ref:`col-srgb`.
+ * - ``V4L2_COLORSPACE_ADOBERGB``
+ - See :ref:`col-adobergb`.
+ * - ``V4L2_COLORSPACE_BT2020``
+ - See :ref:`col-bt2020`.
+ * - ``V4L2_COLORSPACE_DCI_P3``
+ - See :ref:`col-dcip3`.
+ * - ``V4L2_COLORSPACE_SMPTE240M``
+ - See :ref:`col-smpte-240m`.
+ * - ``V4L2_COLORSPACE_470_SYSTEM_M``
+ - See :ref:`col-sysm`.
+ * - ``V4L2_COLORSPACE_470_SYSTEM_BG``
+ - See :ref:`col-sysbg`.
+ * - ``V4L2_COLORSPACE_JPEG``
+ - See :ref:`col-jpeg`.
+ * - ``V4L2_COLORSPACE_RAW``
+ - The raw colorspace. This is used for raw image capture where the
+ image is minimally processed and is using the internal colorspace
+ of the device. The software that processes an image using this
+ 'colorspace' will have to know the internals of the capture
+ device.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Details
-
- - .. row 2
-
- - ``V4L2_XFER_FUNC_DEFAULT``
-
- - Use the default transfer function as defined by the colorspace.
-
- - .. row 3
-
- - ``V4L2_XFER_FUNC_709``
-
- - Use the Rec. 709 transfer function.
-
- - .. row 4
-
- - ``V4L2_XFER_FUNC_SRGB``
-
- - Use the sRGB transfer function.
-
- - .. row 5
-
- - ``V4L2_XFER_FUNC_ADOBERGB``
-
- - Use the AdobeRGB transfer function.
-
- - .. row 6
-
- - ``V4L2_XFER_FUNC_SMPTE240M``
-
- - Use the SMPTE 240M transfer function.
-
- - .. row 7
-
- - ``V4L2_XFER_FUNC_NONE``
-
- - Do not use a transfer function (i.e. use linear RGB values).
-
- - .. row 8
-
- - ``V4L2_XFER_FUNC_DCI_P3``
-
- - Use the DCI-P3 transfer function.
-
- - .. row 9
-
- - ``V4L2_XFER_FUNC_SMPTE2084``
-
- - Use the SMPTE 2084 transfer function.
+ * - Identifier
+ - Details
+ * - ``V4L2_XFER_FUNC_DEFAULT``
+ - Use the default transfer function as defined by the colorspace.
+ * - ``V4L2_XFER_FUNC_709``
+ - Use the Rec. 709 transfer function.
+ * - ``V4L2_XFER_FUNC_SRGB``
+ - Use the sRGB transfer function.
+ * - ``V4L2_XFER_FUNC_ADOBERGB``
+ - Use the AdobeRGB transfer function.
+ * - ``V4L2_XFER_FUNC_SMPTE240M``
+ - Use the SMPTE 240M transfer function.
+ * - ``V4L2_XFER_FUNC_NONE``
+ - Do not use a transfer function (i.e. use linear RGB values).
+ * - ``V4L2_XFER_FUNC_DCI_P3``
+ - Use the DCI-P3 transfer function.
+ * - ``V4L2_XFER_FUNC_SMPTE2084``
+ - Use the SMPTE 2084 transfer function.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Details
-
- - .. row 2
-
- - ``V4L2_YCBCR_ENC_DEFAULT``
-
- - Use the default Y'CbCr encoding as defined by the colorspace.
-
- - .. row 3
-
- - ``V4L2_YCBCR_ENC_601``
-
- - Use the BT.601 Y'CbCr encoding.
-
- - .. row 4
-
- - ``V4L2_YCBCR_ENC_709``
-
- - Use the Rec. 709 Y'CbCr encoding.
-
- - .. row 5
-
- - ``V4L2_YCBCR_ENC_XV601``
-
- - Use the extended gamut xvYCC BT.601 encoding.
-
- - .. row 6
-
- - ``V4L2_YCBCR_ENC_XV709``
-
- - Use the extended gamut xvYCC Rec. 709 encoding.
-
- - .. row 7
-
- - ``V4L2_YCBCR_ENC_BT2020``
-
- - Use the default non-constant luminance BT.2020 Y'CbCr encoding.
-
- - .. row 8
-
- - ``V4L2_YCBCR_ENC_BT2020_CONST_LUM``
-
- - Use the constant luminance BT.2020 Yc'CbcCrc encoding.
-
- - .. row 9
-
- - ``V4L2_YCBCR_ENC_SMPTE_240M``
-
- - Use the SMPTE 240M Y'CbCr encoding.
+ * - Identifier
+ - Details
+ * - ``V4L2_YCBCR_ENC_DEFAULT``
+ - Use the default Y'CbCr encoding as defined by the colorspace.
+ * - ``V4L2_YCBCR_ENC_601``
+ - Use the BT.601 Y'CbCr encoding.
+ * - ``V4L2_YCBCR_ENC_709``
+ - Use the Rec. 709 Y'CbCr encoding.
+ * - ``V4L2_YCBCR_ENC_XV601``
+ - Use the extended gamut xvYCC BT.601 encoding.
+ * - ``V4L2_YCBCR_ENC_XV709``
+ - Use the extended gamut xvYCC Rec. 709 encoding.
+ * - ``V4L2_YCBCR_ENC_BT2020``
+ - Use the default non-constant luminance BT.2020 Y'CbCr encoding.
+ * - ``V4L2_YCBCR_ENC_BT2020_CONST_LUM``
+ - Use the constant luminance BT.2020 Yc'CbcCrc encoding.
+ * - ``V4L2_YCBCR_ENC_SMPTE_240M``
+ - Use the SMPTE 240M Y'CbCr encoding.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Details
-
- - .. row 2
-
- - ``V4L2_QUANTIZATION_DEFAULT``
-
- - Use the default quantization encoding as defined by the
- colorspace. This is always full range for R'G'B' (except for the
- BT.2020 colorspace) and usually limited range for Y'CbCr.
-
- - .. row 3
-
- - ``V4L2_QUANTIZATION_FULL_RANGE``
-
- - Use the full range quantization encoding. I.e. the range [0…1] is
- mapped to [0…255] (with possible clipping to [1…254] to avoid the
- 0x00 and 0xff values). Cb and Cr are mapped from [-0.5…0.5] to
- [0…255] (with possible clipping to [1…254] to avoid the 0x00 and
- 0xff values).
-
- - .. row 4
-
- - ``V4L2_QUANTIZATION_LIM_RANGE``
-
- - Use the limited range quantization encoding. I.e. the range [0…1]
- is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to
- [16…240].
+ * - Identifier
+ - Details
+ * - ``V4L2_QUANTIZATION_DEFAULT``
+ - Use the default quantization encoding as defined by the
+ colorspace. This is always full range for R'G'B' (except for the
+ BT.2020 colorspace) and usually limited range for Y'CbCr.
+ * - ``V4L2_QUANTIZATION_FULL_RANGE``
+ - Use the full range quantization encoding. I.e. the range [0…1] is
+ mapped to [0…255] (with possible clipping to [1…254] to avoid the
+ 0x00 and 0xff values). Cb and Cr are mapped from [-0.5…0.5] to
+ [0…255] (with possible clipping to [1…254] to avoid the 0x00 and
+ 0xff values).
+ * - ``V4L2_QUANTIZATION_LIM_RANGE``
+ - Use the limited range quantization encoding. I.e. the range [0…1]
+ is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to
+ [16…240].
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.630
-
- - 0.340
-
- - .. row 3
-
- - Green
-
- - 0.310
-
- - 0.595
-
- - .. row 4
-
- - Blue
-
- - 0.155
-
- - 0.070
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.630
+ - 0.340
+ * - Green
+ - 0.310
+ - 0.595
+ * - Blue
+ - 0.155
+ - 0.070
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
The red, green and blue chromaticities are also often referred to as the
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.640
-
- - 0.330
-
- - .. row 3
-
- - Green
-
- - 0.300
-
- - 0.600
-
- - .. row 4
-
- - Blue
-
- - 0.150
-
- - 0.060
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.640
+ - 0.330
+ * - Green
+ - 0.300
+ - 0.600
+ * - Blue
+ - 0.150
+ - 0.060
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
The full name of this standard is Rec. ITU-R BT.709-5.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.640
-
- - 0.330
-
- - .. row 3
-
- - Green
-
- - 0.300
-
- - 0.600
-
- - .. row 4
-
- - Blue
-
- - 0.150
-
- - 0.060
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.640
+ - 0.330
+ * - Green
+ - 0.300
+ - 0.600
+ * - Blue
+ - 0.150
+ - 0.060
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
These chromaticities are identical to the Rec. 709 colorspace.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.6400
-
- - 0.3300
-
- - .. row 3
-
- - Green
-
- - 0.2100
-
- - 0.7100
-
- - .. row 4
-
- - Blue
-
- - 0.1500
-
- - 0.0600
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.6400
+ - 0.3300
+ * - Green
+ - 0.2100
+ - 0.7100
+ * - Blue
+ - 0.1500
+ - 0.0600
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.708
-
- - 0.292
-
- - .. row 3
-
- - Green
-
- - 0.170
-
- - 0.797
-
- - .. row 4
-
- - Blue
-
- - 0.131
-
- - 0.046
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.708
+ - 0.292
+ * - Green
+ - 0.170
+ - 0.797
+ * - Blue
+ - 0.131
+ - 0.046
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.6800
-
- - 0.3200
-
- - .. row 3
-
- - Green
-
- - 0.2650
-
- - 0.6900
-
- - .. row 4
-
- - Blue
-
- - 0.1500
-
- - 0.0600
-
- - .. row 5
-
- - White Reference
-
- - 0.3140
-
- - 0.3510
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.6800
+ - 0.3200
+ * - Green
+ - 0.2650
+ - 0.6900
+ * - Blue
+ - 0.1500
+ - 0.0600
+ * - White Reference
+ - 0.3140
+ - 0.3510
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.630
-
- - 0.340
-
- - .. row 3
-
- - Green
-
- - 0.310
-
- - 0.595
-
- - .. row 4
-
- - Blue
-
- - 0.155
-
- - 0.070
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.630
+ - 0.340
+ * - Green
+ - 0.310
+ - 0.595
+ * - Blue
+ - 0.155
+ - 0.070
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
These chromaticities are identical to the SMPTE 170M colorspace.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.67
-
- - 0.33
-
- - .. row 3
-
- - Green
-
- - 0.21
-
- - 0.71
-
- - .. row 4
-
- - Blue
-
- - 0.14
-
- - 0.08
-
- - .. row 5
-
- - White Reference (C)
-
- - 0.310
-
- - 0.316
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.67
+ - 0.33
+ * - Green
+ - 0.21
+ - 0.71
+ * - Blue
+ - 0.14
+ - 0.08
+ * - White Reference (C)
+ - 0.310
+ - 0.316
.. note::
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Color
-
- - x
-
- - y
-
- - .. row 2
-
- - Red
-
- - 0.64
-
- - 0.33
-
- - .. row 3
-
- - Green
-
- - 0.29
-
- - 0.60
-
- - .. row 4
-
- - Blue
-
- - 0.15
-
- - 0.06
-
- - .. row 5
-
- - White Reference (D65)
-
- - 0.3127
-
- - 0.3290
+ * - Color
+ - x
+ - y
+ * - Red
+ - 0.64
+ - 0.33
+ * - Green
+ - 0.29
+ - 0.60
+ * - Blue
+ - 0.15
+ - 0.06
+ * - White Reference (D65)
+ - 0.3127
+ - 0.3290
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- - Details
-
- - .. _V4L2-PIX-FMT-JPEG:
-
- - ``V4L2_PIX_FMT_JPEG``
-
- - 'JPEG'
-
- - TBD. See also :ref:`VIDIOC_G_JPEGCOMP <VIDIOC_G_JPEGCOMP>`,
- :ref:`VIDIOC_S_JPEGCOMP <VIDIOC_G_JPEGCOMP>`.
-
- - .. _V4L2-PIX-FMT-MPEG:
-
- - ``V4L2_PIX_FMT_MPEG``
-
- - 'MPEG'
-
- - MPEG multiplexed stream. The actual format is determined by
- extended control ``V4L2_CID_MPEG_STREAM_TYPE``, see
- :ref:`mpeg-control-id`.
-
- - .. _V4L2-PIX-FMT-H264:
-
- - ``V4L2_PIX_FMT_H264``
-
- - 'H264'
-
- - H264 video elementary stream with start codes.
-
- - .. _V4L2-PIX-FMT-H264-NO-SC:
-
- - ``V4L2_PIX_FMT_H264_NO_SC``
-
- - 'AVC1'
-
- - H264 video elementary stream without start codes.
-
- - .. _V4L2-PIX-FMT-H264-MVC:
-
- - ``V4L2_PIX_FMT_H264_MVC``
-
- - 'M264'
-
- - H264 MVC video elementary stream.
-
- - .. _V4L2-PIX-FMT-H263:
-
- - ``V4L2_PIX_FMT_H263``
-
- - 'H263'
-
- - H263 video elementary stream.
-
- - .. _V4L2-PIX-FMT-MPEG1:
-
- - ``V4L2_PIX_FMT_MPEG1``
-
- - 'MPG1'
-
- - MPEG1 video elementary stream.
-
- - .. _V4L2-PIX-FMT-MPEG2:
-
- - ``V4L2_PIX_FMT_MPEG2``
-
- - 'MPG2'
-
- - MPEG2 video elementary stream.
-
- - .. _V4L2-PIX-FMT-MPEG4:
-
- - ``V4L2_PIX_FMT_MPEG4``
-
- - 'MPG4'
-
- - MPEG4 video elementary stream.
-
- - .. _V4L2-PIX-FMT-XVID:
-
- - ``V4L2_PIX_FMT_XVID``
-
- - 'XVID'
-
- - Xvid video elementary stream.
-
- - .. _V4L2-PIX-FMT-VC1-ANNEX-G:
-
- - ``V4L2_PIX_FMT_VC1_ANNEX_G``
-
- - 'VC1G'
-
- - VC1, SMPTE 421M Annex G compliant stream.
-
- - .. _V4L2-PIX-FMT-VC1-ANNEX-L:
-
- - ``V4L2_PIX_FMT_VC1_ANNEX_L``
-
- - 'VC1L'
-
- - VC1, SMPTE 421M Annex L compliant stream.
-
- - .. _V4L2-PIX-FMT-VP8:
-
- - ``V4L2_PIX_FMT_VP8``
-
- - 'VP80'
-
- - VP8 video elementary stream.
+ * - Identifier
+ - Code
+ - Details
+ * .. _V4L2-PIX-FMT-JPEG:
+
+ - ``V4L2_PIX_FMT_JPEG``
+ - 'JPEG'
+ - TBD. See also :ref:`VIDIOC_G_JPEGCOMP <VIDIOC_G_JPEGCOMP>`,
+ :ref:`VIDIOC_S_JPEGCOMP <VIDIOC_G_JPEGCOMP>`.
+ * .. _V4L2-PIX-FMT-MPEG:
+
+ - ``V4L2_PIX_FMT_MPEG``
+ - 'MPEG'
+ - MPEG multiplexed stream. The actual format is determined by
+ extended control ``V4L2_CID_MPEG_STREAM_TYPE``, see
+ :ref:`mpeg-control-id`.
+ * .. _V4L2-PIX-FMT-H264:
+
+ - ``V4L2_PIX_FMT_H264``
+ - 'H264'
+ - H264 video elementary stream with start codes.
+ * .. _V4L2-PIX-FMT-H264-NO-SC:
+
+ - ``V4L2_PIX_FMT_H264_NO_SC``
+ - 'AVC1'
+ - H264 video elementary stream without start codes.
+ * .. _V4L2-PIX-FMT-H264-MVC:
+
+ - ``V4L2_PIX_FMT_H264_MVC``
+ - 'M264'
+ - H264 MVC video elementary stream.
+ * .. _V4L2-PIX-FMT-H263:
+
+ - ``V4L2_PIX_FMT_H263``
+ - 'H263'
+ - H263 video elementary stream.
+ * .. _V4L2-PIX-FMT-MPEG1:
+
+ - ``V4L2_PIX_FMT_MPEG1``
+ - 'MPG1'
+ - MPEG1 video elementary stream.
+ * .. _V4L2-PIX-FMT-MPEG2:
+
+ - ``V4L2_PIX_FMT_MPEG2``
+ - 'MPG2'
+ - MPEG2 video elementary stream.
+ * .. _V4L2-PIX-FMT-MPEG4:
+
+ - ``V4L2_PIX_FMT_MPEG4``
+ - 'MPG4'
+ - MPEG4 video elementary stream.
+ * .. _V4L2-PIX-FMT-XVID:
+
+ - ``V4L2_PIX_FMT_XVID``
+ - 'XVID'
+ - Xvid video elementary stream.
+ * .. _V4L2-PIX-FMT-VC1-ANNEX-G:
+
+ - ``V4L2_PIX_FMT_VC1_ANNEX_G``
+ - 'VC1G'
+ - VC1, SMPTE 421M Annex G compliant stream.
+ * .. _V4L2-PIX-FMT-VC1-ANNEX-L:
+
+ - ``V4L2_PIX_FMT_VC1_ANNEX_L``
+ - 'VC1L'
+ - VC1, SMPTE 421M Annex L compliant stream.
+ * .. _V4L2-PIX-FMT-VP8:
+
+ - ``V4L2_PIX_FMT_VP8``
+ - 'VP80'
+ - VP8 video elementary stream.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - Y'\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - Y'\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Y'\ :sub:`23`
-
- - .. row 4
-
- - start + 12:
-
- - Y'\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Y'\ :sub:`33`
+ * - start + 0:
+ - Y'\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Y'\ :sub:`03`
+ * - start + 4:
+ - Y'\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Y'\ :sub:`13`
+ * - start + 8:
+ - Y'\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Y'\ :sub:`23`
+ * - start + 12:
+ - Y'\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Y'\ :sub:`33`
:header-rows: 2
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`7` Byte 0
-
- - .. row 2
-
- -
- -
- - Bit
-
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _V4L2-PIX-FMT-PAL8:
-
- - ``V4L2_PIX_FMT_PAL8``
-
- - 'PAL8'
-
- -
- - i\ :sub:`7`
-
- - i\ :sub:`6`
-
- - i\ :sub:`5`
-
- - i\ :sub:`4`
-
- - i\ :sub:`3`
-
- - i\ :sub:`2`
-
- - i\ :sub:`1`
-
- - i\ :sub:`0`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`7` Byte 0
+ * -
+ -
+ - Bit
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _V4L2-PIX-FMT-PAL8:
+
+ - ``V4L2_PIX_FMT_PAL8``
+ - 'PAL8'
+ -
+ - i\ :sub:`7`
+ - i\ :sub:`6`
+ - i\ :sub:`5`
+ - i\ :sub:`4`
+ - i\ :sub:`3`
+ - i\ :sub:`2`
+ - i\ :sub:`1`
+ - i\ :sub:`0`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - Y'\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - Cb\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Cb\ :sub:`01`
-
- - Cr\ :sub:`01`
-
- - .. row 4
-
- - start + 16:
-
- - Y'\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Y'\ :sub:`23`
-
- - .. row 5
-
- - start + 20:
-
- - Y'\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Y'\ :sub:`33`
-
- - .. row 6
-
- - start + 24:
-
- - Cb\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Cb\ :sub:`11`
-
- - Cr\ :sub:`11`
+ * - start + 0:
+ - Y'\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Y'\ :sub:`03`
+ * - start + 4:
+ - Y'\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Y'\ :sub:`13`
+ * - start + 8:
+ - Cb\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Cb\ :sub:`01`
+ - Cr\ :sub:`01`
+ * - start + 16:
+ - Y'\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Y'\ :sub:`23`
+ * - start + 20:
+ - Y'\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Y'\ :sub:`33`
+ * - start + 24:
+ - Cb\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Cb\ :sub:`11`
+ - Cr\ :sub:`11`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- - 2
-
- -
- - 3
-
- - .. row 2
-
- - 0
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 3
-
- -
- -
- - C
-
- -
- -
- - C
-
- -
-
- - .. row 4
-
- - 1
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 5
-
- -
-
- - .. row 6
-
- - 2
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 7
-
- -
- -
- - C
-
- -
- -
- - C
-
- -
-
- - .. row 8
-
- - 3
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
+ * -
+ - 0
+ -
+ - 1
+ - 2
+ -
+ - 3
+ * - 0
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ -
+ - C
+ -
+ -
+ - C
+ -
+ * - 1
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ * - 2
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ -
+ - C
+ -
+ -
+ - C
+ -
+ * - 3
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - Y'\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - Y'\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Y'\ :sub:`23`
-
- - .. row 4
-
- - start + 12:
-
- - Y'\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Y'\ :sub:`33`
-
- - .. row 5
-
- - start + 16:
-
- - Cb\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Cb\ :sub:`01`
-
- - Cr\ :sub:`01`
-
- - .. row 6
-
- - start + 20:
-
- - Cb\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Cb\ :sub:`11`
-
- - Cr\ :sub:`11`
+ * - start + 0:
+ - Y'\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Y'\ :sub:`03`
+ * - start + 4:
+ - Y'\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Y'\ :sub:`13`
+ * - start + 8:
+ - Y'\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Y'\ :sub:`23`
+ * - start + 12:
+ - Y'\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Y'\ :sub:`33`
+ * - start + 16:
+ - Cb\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Cb\ :sub:`01`
+ - Cr\ :sub:`01`
+ * - start + 20:
+ - Cb\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Cb\ :sub:`11`
+ - Cr\ :sub:`11`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- - 2
-
- -
- - 3
-
- - .. row 2
-
- - 0
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 3
-
- -
- -
- - C
-
- -
- -
- - C
-
- -
-
- - .. row 4
-
- - 1
-
- - Y
- -
-
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 5
-
- -
-
- - .. row 6
-
- - 2
-
- - Y
- -
-
- - Y
-
- - Y
-
- -
- - Y
-
- - .. row 7
-
- -
- -
- - C
-
- -
- -
- - C
-
- -
-
- - .. row 8
-
- - 3
-
- - Y
-
- -
- - Y
-
- - Y
-
- -
- - Y
+ * -
+ - 0
+ -
+ - 1
+ - 2
+ -
+ - 3
+ * - 0
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ -
+ - C
+ -
+ -
+ - C
+ -
+ * - 1
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ * - 2
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
+ * -
+ -
+ - C
+ -
+ -
+ - C
+ -
+ * - 3
+ - Y
+ -
+ - Y
+ - Y
+ -
+ - Y
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start0 + 0:
-
- - Y'\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start0 + 4:
-
- - Y'\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start0 + 8:
-
- - Y'\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Y'\ :sub:`23`
-
- - .. row 4
-
- - start0 + 12:
-
- - Y'\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Y'\ :sub:`33`
-
- - .. row 5
-
- -
-
- - .. row 6
-
- - start1 + 0:
-
- - Cb\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Cb\ :sub:`01`
-
- - Cr\ :sub:`01`
-
- - .. row 7
-
- - start1 + 4:
-
- - Cb\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Cb\ :sub:`11`
-
- - Cr\ :sub:`11`
+ * - start0 + 0:
+ - Y'\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Y'\ :sub:`03`
+ * - start0 + 4:
+ - Y'\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Y'\ :sub:`13`
+ * - start0 + 8:
+ - Y'\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Y'\ :sub:`23`
+ * - start0 + 12:
+ - Y'\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Y'\ :sub:`33`
+ * -
+ * - start1 + 0:
+ - Cb\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Cb\ :sub:`01`
+ - Cr\ :sub:`01`
+ * - start1 + 4:
+ - Cb\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Cb\ :sub:`11`
+ - Cr\ :sub:`11`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- - 2
-
- -
- - 3
-
- - .. row 2
-
- - 0
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:header-rows: 2
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-
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- - .. _V4L2-PIX-FMT-RGB332:
-
- - ``V4L2_PIX_FMT_RGB332``
-
- - 'RGB1'
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-
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-
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-
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-
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-
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-
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-
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-
- - ``V4L2_PIX_FMT_ARGB444``
-
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-
- - ``V4L2_PIX_FMT_XRGB444``
-
- - 'XR12'
-
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-
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-
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-
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-
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-
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-
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-
- - .. _V4L2-PIX-FMT-ARGB555:
-
- - ``V4L2_PIX_FMT_ARGB555``
-
- - 'AR15'
-
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-
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-
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-
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-
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-
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-
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-
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-
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-
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-
- - .. _V4L2-PIX-FMT-XRGB555:
-
- - ``V4L2_PIX_FMT_XRGB555``
-
- - 'XR15'
-
- -
- - g\ :sub:`2`
-
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-
- - g\ :sub:`0`
-
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-
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-
- - b\ :sub:`2`
-
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-
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-
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-
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-
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-
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-
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-
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-
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-
- - .. _V4L2-PIX-FMT-RGB565:
-
- - ``V4L2_PIX_FMT_RGB565``
-
- - 'RGBP'
-
- -
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
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-
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-
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-
- - r\ :sub:`1`
-
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-
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-
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-
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-
- - .. _V4L2-PIX-FMT-ARGB555X:
-
- - ``V4L2_PIX_FMT_ARGB555X``
-
- - 'AR15' | (1 << 31)
-
- -
- - a
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
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-
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-
- -
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-
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-
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-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-XRGB555X:
-
- - ``V4L2_PIX_FMT_XRGB555X``
-
- - 'XR15' | (1 << 31)
-
- -
- -
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- -
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-RGB565X:
-
- - ``V4L2_PIX_FMT_RGB565X``
-
- - 'RGBR'
-
- -
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- -
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-BGR24:
-
- - ``V4L2_PIX_FMT_BGR24``
-
- - 'BGR3'
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-RGB24:
-
- - ``V4L2_PIX_FMT_RGB24``
-
- - 'RGB3'
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-BGR666:
-
- - ``V4L2_PIX_FMT_BGR666``
-
- - 'BGRH'
-
- -
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- -
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- -
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - .. _V4L2-PIX-FMT-ABGR32:
-
- - ``V4L2_PIX_FMT_ABGR32``
-
- - 'AR24'
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - a\ :sub:`7`
-
- - a\ :sub:`6`
-
- - a\ :sub:`5`
-
- - a\ :sub:`4`
-
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-XBGR32:
-
- - ``V4L2_PIX_FMT_XBGR32``
-
- - 'XR24'
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - .. _V4L2-PIX-FMT-ARGB32:
-
- - ``V4L2_PIX_FMT_ARGB32``
-
- - 'BA24'
-
- -
- - a\ :sub:`7`
-
- - a\ :sub:`6`
-
- - a\ :sub:`5`
-
- - a\ :sub:`4`
-
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-XRGB32:
-
- - ``V4L2_PIX_FMT_XRGB32``
-
- - 'BX24'
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`7` Byte 0 in memory
+ -
+ - :cspan:`7` Byte 1
+ -
+ - :cspan:`7` Byte 2
+ -
+ - :cspan:`7` Byte 3
+ * -
+ -
+ - Bit
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _V4L2-PIX-FMT-RGB332:
+
+ - ``V4L2_PIX_FMT_RGB332``
+ - 'RGB1'
+ -
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-ARGB444:
+
+ - ``V4L2_PIX_FMT_ARGB444``
+ - 'AR12'
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _V4L2-PIX-FMT-XRGB444:
+
+ - ``V4L2_PIX_FMT_XRGB444``
+ - 'XR12'
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _V4L2-PIX-FMT-ARGB555:
+
+ - ``V4L2_PIX_FMT_ARGB555``
+ - 'AR15'
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - a
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _V4L2-PIX-FMT-XRGB555:
+
+ - ``V4L2_PIX_FMT_XRGB555``
+ - 'XR15'
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _V4L2-PIX-FMT-RGB565:
+
+ - ``V4L2_PIX_FMT_RGB565``
+ - 'RGBP'
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _V4L2-PIX-FMT-ARGB555X:
+
+ - ``V4L2_PIX_FMT_ARGB555X``
+ - 'AR15' | (1 << 31)
+ -
+ - a
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-XRGB555X:
+
+ - ``V4L2_PIX_FMT_XRGB555X``
+ - 'XR15' | (1 << 31)
+ -
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-RGB565X:
+
+ - ``V4L2_PIX_FMT_RGB565X``
+ - 'RGBR'
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-BGR24:
+
+ - ``V4L2_PIX_FMT_BGR24``
+ - 'BGR3'
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _V4L2-PIX-FMT-RGB24:
+
+ - ``V4L2_PIX_FMT_RGB24``
+ - 'RGB3'
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-BGR666:
+
+ - ``V4L2_PIX_FMT_BGR666``
+ - 'BGRH'
+ -
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ -
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ * .. _V4L2-PIX-FMT-ABGR32:
+
+ - ``V4L2_PIX_FMT_ABGR32``
+ - 'AR24'
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ * .. _V4L2-PIX-FMT-XBGR32:
+
+ - ``V4L2_PIX_FMT_XBGR32``
+ - 'XR24'
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ * .. _V4L2-PIX-FMT-ARGB32:
+
+ - ``V4L2_PIX_FMT_ARGB32``
+ - 'BA24'
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-XRGB32:
+
+ - ``V4L2_PIX_FMT_XRGB32``
+ - 'BX24'
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
.. raw:: latex
:stub-columns: 0
:widths: 11 3 3 3 3 3 3 3 3 3 3 3 3
-
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00`
-
- - G\ :sub:`00`
-
- - R\ :sub:`00`
-
- - B\ :sub:`01`
-
- - G\ :sub:`01`
-
- - R\ :sub:`01`
-
- - B\ :sub:`02`
-
- - G\ :sub:`02`
-
- - R\ :sub:`02`
-
- - B\ :sub:`03`
-
- - G\ :sub:`03`
-
- - R\ :sub:`03`
-
- - .. row 2
-
- - start + 12:
-
- - B\ :sub:`10`
-
- - G\ :sub:`10`
-
- - R\ :sub:`10`
-
- - B\ :sub:`11`
-
- - G\ :sub:`11`
-
- - R\ :sub:`11`
-
- - B\ :sub:`12`
-
- - G\ :sub:`12`
-
- - R\ :sub:`12`
-
- - B\ :sub:`13`
-
- - G\ :sub:`13`
-
- - R\ :sub:`13`
-
- - .. row 3
-
- - start + 24:
-
- - B\ :sub:`20`
-
- - G\ :sub:`20`
-
- - R\ :sub:`20`
-
- - B\ :sub:`21`
-
- - G\ :sub:`21`
-
- - R\ :sub:`21`
-
- - B\ :sub:`22`
-
- - G\ :sub:`22`
-
- - R\ :sub:`22`
-
- - B\ :sub:`23`
-
- - G\ :sub:`23`
-
- - R\ :sub:`23`
-
- - .. row 4
-
- - start + 36:
-
- - B\ :sub:`30`
-
- - G\ :sub:`30`
-
- - R\ :sub:`30`
-
- - B\ :sub:`31`
-
- - G\ :sub:`31`
-
- - R\ :sub:`31`
-
- - B\ :sub:`32`
-
- - G\ :sub:`32`
-
- - R\ :sub:`32`
-
- - B\ :sub:`33`
-
- - G\ :sub:`33`
-
- - R\ :sub:`33`
+ * - start + 0:
+ - B\ :sub:`00`
+ - G\ :sub:`00`
+ - R\ :sub:`00`
+ - B\ :sub:`01`
+ - G\ :sub:`01`
+ - R\ :sub:`01`
+ - B\ :sub:`02`
+ - G\ :sub:`02`
+ - R\ :sub:`02`
+ - B\ :sub:`03`
+ - G\ :sub:`03`
+ - R\ :sub:`03`
+ * - start + 12:
+ - B\ :sub:`10`
+ - G\ :sub:`10`
+ - R\ :sub:`10`
+ - B\ :sub:`11`
+ - G\ :sub:`11`
+ - R\ :sub:`11`
+ - B\ :sub:`12`
+ - G\ :sub:`12`
+ - R\ :sub:`12`
+ - B\ :sub:`13`
+ - G\ :sub:`13`
+ - R\ :sub:`13`
+ * - start + 24:
+ - B\ :sub:`20`
+ - G\ :sub:`20`
+ - R\ :sub:`20`
+ - B\ :sub:`21`
+ - G\ :sub:`21`
+ - R\ :sub:`21`
+ - B\ :sub:`22`
+ - G\ :sub:`22`
+ - R\ :sub:`22`
+ - B\ :sub:`23`
+ - G\ :sub:`23`
+ - R\ :sub:`23`
+ * - start + 36:
+ - B\ :sub:`30`
+ - G\ :sub:`30`
+ - R\ :sub:`30`
+ - B\ :sub:`31`
+ - G\ :sub:`31`
+ - R\ :sub:`31`
+ - B\ :sub:`32`
+ - G\ :sub:`32`
+ - R\ :sub:`32`
+ - B\ :sub:`33`
+ - G\ :sub:`33`
+ - R\ :sub:`33`
.. raw:: latex
:header-rows: 2
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`7` Byte 0 in memory
-
- -
- - :cspan:`7` Byte 1
-
- -
- - :cspan:`7` Byte 2
-
- -
- - :cspan:`7` Byte 3
-
- - .. row 2
-
- -
- -
- - Bit
-
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _V4L2-PIX-FMT-RGB444:
-
- - ``V4L2_PIX_FMT_RGB444``
-
- - 'R444'
-
- -
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-RGB555:
-
- - ``V4L2_PIX_FMT_RGB555``
-
- - 'RGBO'
-
- -
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - a
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - .. _V4L2-PIX-FMT-RGB555X:
-
- - ``V4L2_PIX_FMT_RGB555X``
-
- - 'RGBQ'
-
- -
- - a
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- -
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-BGR32:
-
- - ``V4L2_PIX_FMT_BGR32``
-
- - 'BGR4'
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - a\ :sub:`7`
-
- - a\ :sub:`6`
-
- - a\ :sub:`5`
-
- - a\ :sub:`4`
-
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-RGB32:
-
- - ``V4L2_PIX_FMT_RGB32``
-
- - 'RGB4'
-
- -
- - a\ :sub:`7`
-
- - a\ :sub:`6`
-
- - a\ :sub:`5`
-
- - a\ :sub:`4`
-
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- -
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- -
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- -
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`7` Byte 0 in memory
+ -
+ - :cspan:`7` Byte 1
+ -
+ - :cspan:`7` Byte 2
+ -
+ - :cspan:`7` Byte 3
+ * -
+ -
+ - Bit
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _V4L2-PIX-FMT-RGB444:
+
+ - ``V4L2_PIX_FMT_RGB444``
+ - 'R444'
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _V4L2-PIX-FMT-RGB555:
+
+ - ``V4L2_PIX_FMT_RGB555``
+ - 'RGBO'
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - a
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _V4L2-PIX-FMT-RGB555X:
+
+ - ``V4L2_PIX_FMT_RGB555X``
+ - 'RGBQ'
+ -
+ - a
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _V4L2-PIX-FMT-BGR32:
+
+ - ``V4L2_PIX_FMT_BGR32``
+ - 'BGR4'
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ * .. _V4L2-PIX-FMT-RGB32:
+
+ - ``V4L2_PIX_FMT_RGB32``
+ - 'RGB4'
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
.. raw:: latex
:header-rows: 2
:stub-columns: 0
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`7` Byte 0 in memory
-
- -
- - :cspan:`7` Byte 1
-
- -
- - :cspan:`7` Byte 2
-
- -
- - :cspan:`7` Byte 3
-
- - .. row 2
-
- -
- -
- - Bit
-
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- -
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _V4L2-PIX-FMT-YUV444:
-
- - ``V4L2_PIX_FMT_YUV444``
-
- - 'Y444'
-
- -
- - Cb\ :sub:`3`
-
- - Cb\ :sub:`2`
-
- - Cb\ :sub:`1`
-
- - Cb\ :sub:`0`
-
- - Cr\ :sub:`3`
-
- - Cr\ :sub:`2`
-
- - Cr\ :sub:`1`
-
- - Cr\ :sub:`0`
-
- -
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- - Y'\ :sub:`3`
-
- - Y'\ :sub:`2`
-
- - Y'\ :sub:`1`
-
- - Y'\ :sub:`0`
-
- - .. _V4L2-PIX-FMT-YUV555:
-
- - ``V4L2_PIX_FMT_YUV555``
-
- - 'YUVO'
-
- -
- - Cb\ :sub:`2`
-
- - Cb\ :sub:`1`
-
- - Cb\ :sub:`0`
-
- - Cr\ :sub:`4`
-
- - Cr\ :sub:`3`
-
- - Cr\ :sub:`2`
-
- - Cr\ :sub:`1`
-
- - Cr\ :sub:`0`
-
- -
- - a
-
- - Y'\ :sub:`4`
-
- - Y'\ :sub:`3`
-
- - Y'\ :sub:`2`
-
- - Y'\ :sub:`1`
-
- - Y'\ :sub:`0`
-
- - Cb\ :sub:`4`
-
- - Cb\ :sub:`3`
-
- - .. _V4L2-PIX-FMT-YUV565:
-
- - ``V4L2_PIX_FMT_YUV565``
-
- - 'YUVP'
-
- -
- - Cb\ :sub:`2`
-
- - Cb\ :sub:`1`
-
- - Cb\ :sub:`0`
-
- - Cr\ :sub:`4`
-
- - Cr\ :sub:`3`
-
- - Cr\ :sub:`2`
-
- - Cr\ :sub:`1`
-
- - Cr\ :sub:`0`
-
- -
- - Y'\ :sub:`4`
-
- - Y'\ :sub:`3`
-
- - Y'\ :sub:`2`
-
- - Y'\ :sub:`1`
-
- - Y'\ :sub:`0`
-
- - Cb\ :sub:`5`
-
- - Cb\ :sub:`4`
-
- - Cb\ :sub:`3`
-
- - .. _V4L2-PIX-FMT-YUV32:
-
- - ``V4L2_PIX_FMT_YUV32``
-
- - 'YUV4'
-
- -
- - a\ :sub:`7`
-
- - a\ :sub:`6`
-
- - a\ :sub:`5`
-
- - a\ :sub:`4`
-
- - a\ :sub:`3`
-
- - a\ :sub:`2`
-
- - a\ :sub:`1`
-
- - a\ :sub:`0`
-
- -
- - Y'\ :sub:`7`
-
- - Y'\ :sub:`6`
-
- - Y'\ :sub:`5`
-
- - Y'\ :sub:`4`
-
- - Y'\ :sub:`3`
-
- - Y'\ :sub:`2`
-
- - Y'\ :sub:`1`
-
- - Y'\ :sub:`0`
-
- -
- - Cb\ :sub:`7`
-
- - Cb\ :sub:`6`
-
- - Cb\ :sub:`5`
-
- - Cb\ :sub:`4`
-
- - Cb\ :sub:`3`
-
- - Cb\ :sub:`2`
-
- - Cb\ :sub:`1`
-
- - Cb\ :sub:`0`
-
- -
- - Cr\ :sub:`7`
-
- - Cr\ :sub:`6`
-
- - Cr\ :sub:`5`
-
- - Cr\ :sub:`4`
-
- - Cr\ :sub:`3`
-
- - Cr\ :sub:`2`
-
- - Cr\ :sub:`1`
-
- - Cr\ :sub:`0`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`7` Byte 0 in memory
+ -
+ - :cspan:`7` Byte 1
+ -
+ - :cspan:`7` Byte 2
+ -
+ - :cspan:`7` Byte 3
+ * -
+ -
+ - Bit
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ -
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _V4L2-PIX-FMT-YUV444:
+
+ - ``V4L2_PIX_FMT_YUV444``
+ - 'Y444'
+ -
+ - Cb\ :sub:`3`
+ - Cb\ :sub:`2`
+ - Cb\ :sub:`1`
+ - Cb\ :sub:`0`
+ - Cr\ :sub:`3`
+ - Cr\ :sub:`2`
+ - Cr\ :sub:`1`
+ - Cr\ :sub:`0`
+ -
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ - Y'\ :sub:`3`
+ - Y'\ :sub:`2`
+ - Y'\ :sub:`1`
+ - Y'\ :sub:`0`
+ * .. _V4L2-PIX-FMT-YUV555:
+
+ - ``V4L2_PIX_FMT_YUV555``
+ - 'YUVO'
+ -
+ - Cb\ :sub:`2`
+ - Cb\ :sub:`1`
+ - Cb\ :sub:`0`
+ - Cr\ :sub:`4`
+ - Cr\ :sub:`3`
+ - Cr\ :sub:`2`
+ - Cr\ :sub:`1`
+ - Cr\ :sub:`0`
+ -
+ - a
+ - Y'\ :sub:`4`
+ - Y'\ :sub:`3`
+ - Y'\ :sub:`2`
+ - Y'\ :sub:`1`
+ - Y'\ :sub:`0`
+ - Cb\ :sub:`4`
+ - Cb\ :sub:`3`
+ * .. _V4L2-PIX-FMT-YUV565:
+
+ - ``V4L2_PIX_FMT_YUV565``
+ - 'YUVP'
+ -
+ - Cb\ :sub:`2`
+ - Cb\ :sub:`1`
+ - Cb\ :sub:`0`
+ - Cr\ :sub:`4`
+ - Cr\ :sub:`3`
+ - Cr\ :sub:`2`
+ - Cr\ :sub:`1`
+ - Cr\ :sub:`0`
+ -
+ - Y'\ :sub:`4`
+ - Y'\ :sub:`3`
+ - Y'\ :sub:`2`
+ - Y'\ :sub:`1`
+ - Y'\ :sub:`0`
+ - Cb\ :sub:`5`
+ - Cb\ :sub:`4`
+ - Cb\ :sub:`3`
+ * .. _V4L2-PIX-FMT-YUV32:
+
+ - ``V4L2_PIX_FMT_YUV32``
+ - 'YUV4'
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ -
+ - Y'\ :sub:`7`
+ - Y'\ :sub:`6`
+ - Y'\ :sub:`5`
+ - Y'\ :sub:`4`
+ - Y'\ :sub:`3`
+ - Y'\ :sub:`2`
+ - Y'\ :sub:`1`
+ - Y'\ :sub:`0`
+ -
+ - Cb\ :sub:`7`
+ - Cb\ :sub:`6`
+ - Cb\ :sub:`5`
+ - Cb\ :sub:`4`
+ - Cb\ :sub:`3`
+ - Cb\ :sub:`2`
+ - Cb\ :sub:`1`
+ - Cb\ :sub:`0`
+ -
+ - Cr\ :sub:`7`
+ - Cr\ :sub:`6`
+ - Cr\ :sub:`5`
+ - Cr\ :sub:`4`
+ - Cr\ :sub:`3`
+ - Cr\ :sub:`2`
+ - Cr\ :sub:`1`
+ - Cr\ :sub:`0`
.. raw:: latex
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- - Details
-
- - .. _V4L2-PIX-FMT-DV:
-
- - ``V4L2_PIX_FMT_DV``
-
- - 'dvsd'
-
- - unknown
-
- - .. _V4L2-PIX-FMT-ET61X251:
-
- - ``V4L2_PIX_FMT_ET61X251``
-
- - 'E625'
-
- - Compressed format of the ET61X251 driver.
-
- - .. _V4L2-PIX-FMT-HI240:
-
- - ``V4L2_PIX_FMT_HI240``
-
- - 'HI24'
-
- - 8 bit RGB format used by the BTTV driver.
-
- - .. _V4L2-PIX-FMT-HM12:
-
- - ``V4L2_PIX_FMT_HM12``
-
- - 'HM12'
-
- - YUV 4:2:0 format used by the IVTV driver,
- `http://www.ivtvdriver.org/ <http://www.ivtvdriver.org/>`__
-
- The format is documented in the kernel sources in the file
- ``Documentation/video4linux/cx2341x/README.hm12``
-
- - .. _V4L2-PIX-FMT-CPIA1:
-
- - ``V4L2_PIX_FMT_CPIA1``
-
- - 'CPIA'
-
- - YUV format used by the gspca cpia1 driver.
-
- - .. _V4L2-PIX-FMT-JPGL:
-
- - ``V4L2_PIX_FMT_JPGL``
-
- - 'JPGL'
-
- - JPEG-Light format (Pegasus Lossless JPEG) used in Divio webcams NW
- 80x.
-
- - .. _V4L2-PIX-FMT-SPCA501:
-
- - ``V4L2_PIX_FMT_SPCA501``
-
- - 'S501'
-
- - YUYV per line used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-SPCA505:
-
- - ``V4L2_PIX_FMT_SPCA505``
-
- - 'S505'
-
- - YYUV per line used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-SPCA508:
-
- - ``V4L2_PIX_FMT_SPCA508``
-
- - 'S508'
-
- - YUVY per line used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-SPCA561:
-
- - ``V4L2_PIX_FMT_SPCA561``
-
- - 'S561'
-
- - Compressed GBRG Bayer format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-PAC207:
-
- - ``V4L2_PIX_FMT_PAC207``
-
- - 'P207'
-
- - Compressed BGGR Bayer format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-MR97310A:
-
- - ``V4L2_PIX_FMT_MR97310A``
-
- - 'M310'
-
- - Compressed BGGR Bayer format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-JL2005BCD:
-
- - ``V4L2_PIX_FMT_JL2005BCD``
-
- - 'JL20'
-
- - JPEG compressed RGGB Bayer format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-OV511:
-
- - ``V4L2_PIX_FMT_OV511``
-
- - 'O511'
-
- - OV511 JPEG format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-OV518:
-
- - ``V4L2_PIX_FMT_OV518``
-
- - 'O518'
-
- - OV518 JPEG format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-PJPG:
-
- - ``V4L2_PIX_FMT_PJPG``
-
- - 'PJPG'
-
- - Pixart 73xx JPEG format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-SE401:
-
- - ``V4L2_PIX_FMT_SE401``
-
- - 'S401'
-
- - Compressed RGB format used by the gspca se401 driver
-
- - .. _V4L2-PIX-FMT-SQ905C:
-
- - ``V4L2_PIX_FMT_SQ905C``
-
- - '905C'
-
- - Compressed RGGB bayer format used by the gspca driver.
-
- - .. _V4L2-PIX-FMT-MJPEG:
-
- - ``V4L2_PIX_FMT_MJPEG``
-
- - 'MJPG'
-
- - Compressed format used by the Zoran driver
-
- - .. _V4L2-PIX-FMT-PWC1:
-
- - ``V4L2_PIX_FMT_PWC1``
-
- - 'PWC1'
-
- - Compressed format of the PWC driver.
-
- - .. _V4L2-PIX-FMT-PWC2:
-
- - ``V4L2_PIX_FMT_PWC2``
-
- - 'PWC2'
-
- - Compressed format of the PWC driver.
-
- - .. _V4L2-PIX-FMT-SN9C10X:
-
- - ``V4L2_PIX_FMT_SN9C10X``
-
- - 'S910'
-
- - Compressed format of the SN9C102 driver.
-
- - .. _V4L2-PIX-FMT-SN9C20X-I420:
-
- - ``V4L2_PIX_FMT_SN9C20X_I420``
-
- - 'S920'
-
- - YUV 4:2:0 format of the gspca sn9c20x driver.
-
- - .. _V4L2-PIX-FMT-SN9C2028:
-
- - ``V4L2_PIX_FMT_SN9C2028``
-
- - 'SONX'
-
- - Compressed GBRG bayer format of the gspca sn9c2028 driver.
-
- - .. _V4L2-PIX-FMT-STV0680:
-
- - ``V4L2_PIX_FMT_STV0680``
-
- - 'S680'
-
- - Bayer format of the gspca stv0680 driver.
-
- - .. _V4L2-PIX-FMT-WNVA:
-
- - ``V4L2_PIX_FMT_WNVA``
-
- - 'WNVA'
-
- - Used by the Winnov Videum driver,
- `http://www.thedirks.org/winnov/ <http://www.thedirks.org/winnov/>`__
-
- - .. _V4L2-PIX-FMT-TM6000:
-
- - ``V4L2_PIX_FMT_TM6000``
-
- - 'TM60'
-
- - Used by Trident tm6000
-
- - .. _V4L2-PIX-FMT-CIT-YYVYUY:
-
- - ``V4L2_PIX_FMT_CIT_YYVYUY``
-
- - 'CITV'
-
- - Used by xirlink CIT, found at IBM webcams.
-
- Uses one line of Y then 1 line of VYUY
-
- - .. _V4L2-PIX-FMT-KONICA420:
-
- - ``V4L2_PIX_FMT_KONICA420``
-
- - 'KONI'
-
- - Used by Konica webcams.
-
- YUV420 planar in blocks of 256 pixels.
-
- - .. _V4L2-PIX-FMT-YYUV:
-
- - ``V4L2_PIX_FMT_YYUV``
-
- - 'YYUV'
-
- - unknown
-
- - .. _V4L2-PIX-FMT-Y4:
-
- - ``V4L2_PIX_FMT_Y4``
-
- - 'Y04 '
-
- - Old 4-bit greyscale format. Only the most significant 4 bits of
- each byte are used, the other bits are set to 0.
-
- - .. _V4L2-PIX-FMT-Y6:
-
- - ``V4L2_PIX_FMT_Y6``
-
- - 'Y06 '
-
- - Old 6-bit greyscale format. Only the most significant 6 bits of
- each byte are used, the other bits are set to 0.
-
- - .. _V4L2-PIX-FMT-S5C-UYVY-JPG:
-
- - ``V4L2_PIX_FMT_S5C_UYVY_JPG``
-
- - 'S5CI'
-
- - Two-planar format used by Samsung S5C73MX cameras. The first plane
- contains interleaved JPEG and UYVY image data, followed by meta
- data in form of an array of offsets to the UYVY data blocks. The
- actual pointer array follows immediately the interleaved JPEG/UYVY
- data, the number of entries in this array equals the height of the
- UYVY image. Each entry is a 4-byte unsigned integer in big endian
- order and it's an offset to a single pixel line of the UYVY image.
- The first plane can start either with JPEG or UYVY data chunk. The
- size of a single UYVY block equals the UYVY image's width
- multiplied by 2. The size of a JPEG chunk depends on the image and
- can vary with each line.
-
- The second plane, at an offset of 4084 bytes, contains a 4-byte
- offset to the pointer array in the first plane. This offset is
- followed by a 4-byte value indicating size of the pointer array.
- All numbers in the second plane are also in big endian order.
- Remaining data in the second plane is undefined. The information
- in the second plane allows to easily find location of the pointer
- array, which can be different for each frame. The size of the
- pointer array is constant for given UYVY image height.
-
- In order to extract UYVY and JPEG frames an application can
- initially set a data pointer to the start of first plane and then
- add an offset from the first entry of the pointers table. Such a
- pointer indicates start of an UYVY image pixel line. Whole UYVY
- line can be copied to a separate buffer. These steps should be
- repeated for each line, i.e. the number of entries in the pointer
- array. Anything what's in between the UYVY lines is JPEG data and
- should be concatenated to form the JPEG stream.
+ * - Identifier
+ - Code
+ - Details
+ * .. _V4L2-PIX-FMT-DV:
+
+ - ``V4L2_PIX_FMT_DV``
+ - 'dvsd'
+ - unknown
+ * .. _V4L2-PIX-FMT-ET61X251:
+
+ - ``V4L2_PIX_FMT_ET61X251``
+ - 'E625'
+ - Compressed format of the ET61X251 driver.
+ * .. _V4L2-PIX-FMT-HI240:
+
+ - ``V4L2_PIX_FMT_HI240``
+ - 'HI24'
+ - 8 bit RGB format used by the BTTV driver.
+ * .. _V4L2-PIX-FMT-HM12:
+
+ - ``V4L2_PIX_FMT_HM12``
+ - 'HM12'
+ - YUV 4:2:0 format used by the IVTV driver,
+ `http://www.ivtvdriver.org/ <http://www.ivtvdriver.org/>`__
+
+ The format is documented in the kernel sources in the file
+ ``Documentation/video4linux/cx2341x/README.hm12``
+ * .. _V4L2-PIX-FMT-CPIA1:
+
+ - ``V4L2_PIX_FMT_CPIA1``
+ - 'CPIA'
+ - YUV format used by the gspca cpia1 driver.
+ * .. _V4L2-PIX-FMT-JPGL:
+
+ - ``V4L2_PIX_FMT_JPGL``
+ - 'JPGL'
+ - JPEG-Light format (Pegasus Lossless JPEG) used in Divio webcams NW
+ 80x.
+ * .. _V4L2-PIX-FMT-SPCA501:
+
+ - ``V4L2_PIX_FMT_SPCA501``
+ - 'S501'
+ - YUYV per line used by the gspca driver.
+ * .. _V4L2-PIX-FMT-SPCA505:
+
+ - ``V4L2_PIX_FMT_SPCA505``
+ - 'S505'
+ - YYUV per line used by the gspca driver.
+ * .. _V4L2-PIX-FMT-SPCA508:
+
+ - ``V4L2_PIX_FMT_SPCA508``
+ - 'S508'
+ - YUVY per line used by the gspca driver.
+ * .. _V4L2-PIX-FMT-SPCA561:
+
+ - ``V4L2_PIX_FMT_SPCA561``
+ - 'S561'
+ - Compressed GBRG Bayer format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-PAC207:
+
+ - ``V4L2_PIX_FMT_PAC207``
+ - 'P207'
+ - Compressed BGGR Bayer format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-MR97310A:
+
+ - ``V4L2_PIX_FMT_MR97310A``
+ - 'M310'
+ - Compressed BGGR Bayer format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-JL2005BCD:
+
+ - ``V4L2_PIX_FMT_JL2005BCD``
+ - 'JL20'
+ - JPEG compressed RGGB Bayer format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-OV511:
+
+ - ``V4L2_PIX_FMT_OV511``
+ - 'O511'
+ - OV511 JPEG format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-OV518:
+
+ - ``V4L2_PIX_FMT_OV518``
+ - 'O518'
+ - OV518 JPEG format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-PJPG:
+
+ - ``V4L2_PIX_FMT_PJPG``
+ - 'PJPG'
+ - Pixart 73xx JPEG format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-SE401:
+
+ - ``V4L2_PIX_FMT_SE401``
+ - 'S401'
+ - Compressed RGB format used by the gspca se401 driver
+ * .. _V4L2-PIX-FMT-SQ905C:
+
+ - ``V4L2_PIX_FMT_SQ905C``
+ - '905C'
+ - Compressed RGGB bayer format used by the gspca driver.
+ * .. _V4L2-PIX-FMT-MJPEG:
+
+ - ``V4L2_PIX_FMT_MJPEG``
+ - 'MJPG'
+ - Compressed format used by the Zoran driver
+ * .. _V4L2-PIX-FMT-PWC1:
+
+ - ``V4L2_PIX_FMT_PWC1``
+ - 'PWC1'
+ - Compressed format of the PWC driver.
+ * .. _V4L2-PIX-FMT-PWC2:
+
+ - ``V4L2_PIX_FMT_PWC2``
+ - 'PWC2'
+ - Compressed format of the PWC driver.
+ * .. _V4L2-PIX-FMT-SN9C10X:
+
+ - ``V4L2_PIX_FMT_SN9C10X``
+ - 'S910'
+ - Compressed format of the SN9C102 driver.
+ * .. _V4L2-PIX-FMT-SN9C20X-I420:
+
+ - ``V4L2_PIX_FMT_SN9C20X_I420``
+ - 'S920'
+ - YUV 4:2:0 format of the gspca sn9c20x driver.
+ * .. _V4L2-PIX-FMT-SN9C2028:
+
+ - ``V4L2_PIX_FMT_SN9C2028``
+ - 'SONX'
+ - Compressed GBRG bayer format of the gspca sn9c2028 driver.
+ * .. _V4L2-PIX-FMT-STV0680:
+
+ - ``V4L2_PIX_FMT_STV0680``
+ - 'S680'
+ - Bayer format of the gspca stv0680 driver.
+ * .. _V4L2-PIX-FMT-WNVA:
+
+ - ``V4L2_PIX_FMT_WNVA``
+ - 'WNVA'
+ - Used by the Winnov Videum driver,
+ `http://www.thedirks.org/winnov/ <http://www.thedirks.org/winnov/>`__
+ * .. _V4L2-PIX-FMT-TM6000:
+
+ - ``V4L2_PIX_FMT_TM6000``
+ - 'TM60'
+ - Used by Trident tm6000
+ * .. _V4L2-PIX-FMT-CIT-YYVYUY:
+
+ - ``V4L2_PIX_FMT_CIT_YYVYUY``
+ - 'CITV'
+ - Used by xirlink CIT, found at IBM webcams.
+
+ Uses one line of Y then 1 line of VYUY
+ * .. _V4L2-PIX-FMT-KONICA420:
+
+ - ``V4L2_PIX_FMT_KONICA420``
+ - 'KONI'
+ - Used by Konica webcams.
+
+ YUV420 planar in blocks of 256 pixels.
+ * .. _V4L2-PIX-FMT-YYUV:
+
+ - ``V4L2_PIX_FMT_YYUV``
+ - 'YYUV'
+ - unknown
+ * .. _V4L2-PIX-FMT-Y4:
+
+ - ``V4L2_PIX_FMT_Y4``
+ - 'Y04 '
+ - Old 4-bit greyscale format. Only the most significant 4 bits of
+ each byte are used, the other bits are set to 0.
+ * .. _V4L2-PIX-FMT-Y6:
+
+ - ``V4L2_PIX_FMT_Y6``
+ - 'Y06 '
+ - Old 6-bit greyscale format. Only the most significant 6 bits of
+ each byte are used, the other bits are set to 0.
+ * .. _V4L2-PIX-FMT-S5C-UYVY-JPG:
+
+ - ``V4L2_PIX_FMT_S5C_UYVY_JPG``
+ - 'S5CI'
+ - Two-planar format used by Samsung S5C73MX cameras. The first plane
+ contains interleaved JPEG and UYVY image data, followed by meta
+ data in form of an array of offsets to the UYVY data blocks. The
+ actual pointer array follows immediately the interleaved JPEG/UYVY
+ data, the number of entries in this array equals the height of the
+ UYVY image. Each entry is a 4-byte unsigned integer in big endian
+ order and it's an offset to a single pixel line of the UYVY image.
+ The first plane can start either with JPEG or UYVY data chunk. The
+ size of a single UYVY block equals the UYVY image's width
+ multiplied by 2. The size of a JPEG chunk depends on the image and
+ can vary with each line.
+
+ The second plane, at an offset of 4084 bytes, contains a 4-byte
+ offset to the pointer array in the first plane. This offset is
+ followed by a 4-byte value indicating size of the pointer array.
+ All numbers in the second plane are also in big endian order.
+ Remaining data in the second plane is undefined. The information
+ in the second plane allows to easily find location of the pointer
+ array, which can be different for each frame. The size of the
+ pointer array is constant for given UYVY image height.
+
+ In order to extract UYVY and JPEG frames an application can
+ initially set a data pointer to the start of first plane and then
+ add an offset from the first entry of the pointers table. Such a
+ pointer indicates start of an UYVY image pixel line. Whole UYVY
+ line can be copied to a separate buffer. These steps should be
+ repeated for each line, i.e. the number of entries in the pointer
+ array. Anything what's in between the UYVY lines is JPEG data and
+ should be concatenated to form the JPEG stream.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_PIX_FMT_FLAG_PREMUL_ALPHA``
-
- - 0x00000001
-
- - The color values are premultiplied by the alpha channel value. For
- example, if a light blue pixel with 50% transparency was described
- by RGBA values (128, 192, 255, 128), the same pixel described with
- premultiplied colors would be described by RGBA values (64, 96,
- 128, 128)
+ * - ``V4L2_PIX_FMT_FLAG_PREMUL_ALPHA``
+ - 0x00000001
+ - The color values are premultiplied by the alpha channel value. For
+ example, if a light blue pixel with 50% transparency was described
+ by RGBA values (128, 192, 255, 128), the same pixel described with
+ premultiplied colors would be described by RGBA values (64, 96,
+ 128, 128)
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00low`
-
- - B\ :sub:`00high`
-
- - G\ :sub:`01low`
-
- - G\ :sub:`01high`
-
- - B\ :sub:`02low`
-
- - B\ :sub:`02high`
-
- - G\ :sub:`03low`
-
- - G\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - G\ :sub:`10low`
-
- - G\ :sub:`10high`
-
- - R\ :sub:`11low`
-
- - R\ :sub:`11high`
-
- - G\ :sub:`12low`
-
- - G\ :sub:`12high`
-
- - R\ :sub:`13low`
-
- - R\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - B\ :sub:`20low`
-
- - B\ :sub:`20high`
-
- - G\ :sub:`21low`
-
- - G\ :sub:`21high`
-
- - B\ :sub:`22low`
-
- - B\ :sub:`22high`
-
- - G\ :sub:`23low`
-
- - G\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - G\ :sub:`30low`
-
- - G\ :sub:`30high`
-
- - R\ :sub:`31low`
-
- - R\ :sub:`31high`
-
- - G\ :sub:`32low`
-
- - G\ :sub:`32high`
-
- - R\ :sub:`33low`
-
- - R\ :sub:`33high`
+ * - start + 0:
+ - B\ :sub:`00low`
+ - B\ :sub:`00high`
+ - G\ :sub:`01low`
+ - G\ :sub:`01high`
+ - B\ :sub:`02low`
+ - B\ :sub:`02high`
+ - G\ :sub:`03low`
+ - G\ :sub:`03high`
+ * - start + 8:
+ - G\ :sub:`10low`
+ - G\ :sub:`10high`
+ - R\ :sub:`11low`
+ - R\ :sub:`11high`
+ - G\ :sub:`12low`
+ - G\ :sub:`12high`
+ - R\ :sub:`13low`
+ - R\ :sub:`13high`
+ * - start + 16:
+ - B\ :sub:`20low`
+ - B\ :sub:`20high`
+ - G\ :sub:`21low`
+ - G\ :sub:`21high`
+ - B\ :sub:`22low`
+ - B\ :sub:`22high`
+ - G\ :sub:`23low`
+ - G\ :sub:`23high`
+ * - start + 24:
+ - G\ :sub:`30low`
+ - G\ :sub:`30high`
+ - R\ :sub:`31low`
+ - R\ :sub:`31high`
+ - G\ :sub:`32low`
+ - G\ :sub:`32high`
+ - R\ :sub:`33low`
+ - R\ :sub:`33high`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - I'\ :sub:`0`
-
- - .. row 2
-
- - start + 1:
-
- - Q'\ :sub:`0`
+ * - start + 0:
+ - I'\ :sub:`0`
+ * - start + 1:
+ - Q'\ :sub:`0`
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start + 0:
-
- - I'\ :sub:`0[7:0]`
-
- - I'\ :sub:`0[13:8]`
-
- - .. row 2
-
- - start + 2:
-
- - Q'\ :sub:`0[7:0]`
-
- - Q'\ :sub:`0[13:8]`
+ * - start + 0:
+ - I'\ :sub:`0[7:0]`
+ - I'\ :sub:`0[13:8]`
+ * - start + 2:
+ - Q'\ :sub:`0[7:0]`
+ - Q'\ :sub:`0[13:8]`
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start + 0:
-
- - I'\ :sub:`0`
-
- - .. row 2
-
- - start + 1:
-
- - Q'\ :sub:`0`
+ * - start + 0:
+ - I'\ :sub:`0`
+ * - start + 1:
+ - Q'\ :sub:`0`
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - start + 0:
-
- - I'\ :sub:`0[7:0]`
-
- - I'\ :sub:`0[15:8]`
-
- - .. row 2
-
- - start + 2:
-
- - Q'\ :sub:`0[7:0]`
-
- - Q'\ :sub:`0[15:8]`
+ * - start + 0:
+ - I'\ :sub:`0[7:0]`
+ - I'\ :sub:`0[15:8]`
+ * - start + 2:
+ - Q'\ :sub:`0[7:0]`
+ - Q'\ :sub:`0[15:8]`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - I'\ :sub:`0[7:0]`
-
- - I'\ :sub:`0[11:8]`
+ * - start + 0:
+ - I'\ :sub:`0[7:0]`
+ - I'\ :sub:`0[11:8]`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00low`
-
- - B\ :sub:`00high`
-
- - G\ :sub:`01low`
-
- - G\ :sub:`01high`
-
- - B\ :sub:`02low`
-
- - B\ :sub:`02high`
-
- - G\ :sub:`03low`
-
- - G\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - G\ :sub:`10low`
-
- - G\ :sub:`10high`
-
- - R\ :sub:`11low`
-
- - R\ :sub:`11high`
-
- - G\ :sub:`12low`
-
- - G\ :sub:`12high`
-
- - R\ :sub:`13low`
-
- - R\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - B\ :sub:`20low`
-
- - B\ :sub:`20high`
-
- - G\ :sub:`21low`
-
- - G\ :sub:`21high`
-
- - B\ :sub:`22low`
-
- - B\ :sub:`22high`
-
- - G\ :sub:`23low`
-
- - G\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - G\ :sub:`30low`
-
- - G\ :sub:`30high`
-
- - R\ :sub:`31low`
-
- - R\ :sub:`31high`
-
- - G\ :sub:`32low`
-
- - G\ :sub:`32high`
-
- - R\ :sub:`33low`
-
- - R\ :sub:`33high`
+ * - start + 0:
+ - B\ :sub:`00low`
+ - B\ :sub:`00high`
+ - G\ :sub:`01low`
+ - G\ :sub:`01high`
+ - B\ :sub:`02low`
+ - B\ :sub:`02high`
+ - G\ :sub:`03low`
+ - G\ :sub:`03high`
+ * - start + 8:
+ - G\ :sub:`10low`
+ - G\ :sub:`10high`
+ - R\ :sub:`11low`
+ - R\ :sub:`11high`
+ - G\ :sub:`12low`
+ - G\ :sub:`12high`
+ - R\ :sub:`13low`
+ - R\ :sub:`13high`
+ * - start + 16:
+ - B\ :sub:`20low`
+ - B\ :sub:`20high`
+ - G\ :sub:`21low`
+ - G\ :sub:`21high`
+ - B\ :sub:`22low`
+ - B\ :sub:`22high`
+ - G\ :sub:`23low`
+ - G\ :sub:`23high`
+ * - start + 24:
+ - G\ :sub:`30low`
+ - G\ :sub:`30high`
+ - R\ :sub:`31low`
+ - R\ :sub:`31high`
+ - G\ :sub:`32low`
+ - G\ :sub:`32high`
+ - R\ :sub:`33low`
+ - R\ :sub:`33high`
:stub-columns: 0
:widths: 12 8 8 8 8 68
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00high`
-
- - G\ :sub:`01high`
-
- - B\ :sub:`02high`
-
- - G\ :sub:`03high`
-
- - G\ :sub:`03low`\ (bits 7--6) B\ :sub:`02low`\ (bits 5--4)
- G\ :sub:`01low`\ (bits 3--2) B\ :sub:`00low`\ (bits 1--0)
-
- - .. row 2
-
- - start + 5:
-
- - G\ :sub:`10high`
-
- - R\ :sub:`11high`
-
- - G\ :sub:`12high`
-
- - R\ :sub:`13high`
-
- - R\ :sub:`13low`\ (bits 7--6) G\ :sub:`12low`\ (bits 5--4)
- R\ :sub:`11low`\ (bits 3--2) G\ :sub:`10low`\ (bits 1--0)
-
- - .. row 3
-
- - start + 10:
-
- - B\ :sub:`20high`
-
- - G\ :sub:`21high`
-
- - B\ :sub:`22high`
-
- - G\ :sub:`23high`
-
- - G\ :sub:`23low`\ (bits 7--6) B\ :sub:`22low`\ (bits 5--4)
- G\ :sub:`21low`\ (bits 3--2) B\ :sub:`20low`\ (bits 1--0)
-
- - .. row 4
-
- - start + 15:
-
- - G\ :sub:`30high`
-
- - R\ :sub:`31high`
-
- - G\ :sub:`32high`
-
- - R\ :sub:`33high`
-
- - R\ :sub:`33low`\ (bits 7--6) G\ :sub:`32low`\ (bits 5--4)
- R\ :sub:`31low`\ (bits 3--2) G\ :sub:`30low`\ (bits 1--0)
+ * - start + 0:
+ - B\ :sub:`00high`
+ - G\ :sub:`01high`
+ - B\ :sub:`02high`
+ - G\ :sub:`03high`
+ - G\ :sub:`03low`\ (bits 7--6) B\ :sub:`02low`\ (bits 5--4)
+ G\ :sub:`01low`\ (bits 3--2) B\ :sub:`00low`\ (bits 1--0)
+ * - start + 5:
+ - G\ :sub:`10high`
+ - R\ :sub:`11high`
+ - G\ :sub:`12high`
+ - R\ :sub:`13high`
+ - R\ :sub:`13low`\ (bits 7--6) G\ :sub:`12low`\ (bits 5--4)
+ R\ :sub:`11low`\ (bits 3--2) G\ :sub:`10low`\ (bits 1--0)
+ * - start + 10:
+ - B\ :sub:`20high`
+ - G\ :sub:`21high`
+ - B\ :sub:`22high`
+ - G\ :sub:`23high`
+ - G\ :sub:`23low`\ (bits 7--6) B\ :sub:`22low`\ (bits 5--4)
+ G\ :sub:`21low`\ (bits 3--2) B\ :sub:`20low`\ (bits 1--0)
+ * - start + 15:
+ - G\ :sub:`30high`
+ - R\ :sub:`31high`
+ - G\ :sub:`32high`
+ - R\ :sub:`33high`
+ - R\ :sub:`33low`\ (bits 7--6) G\ :sub:`32low`\ (bits 5--4)
+ R\ :sub:`31low`\ (bits 3--2) G\ :sub:`30low`\ (bits 1--0)
.. raw:: latex
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00low`
-
- - B\ :sub:`00high`
-
- - G\ :sub:`01low`
-
- - G\ :sub:`01high`
-
- - B\ :sub:`02low`
-
- - B\ :sub:`02high`
-
- - G\ :sub:`03low`
-
- - G\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - G\ :sub:`10low`
-
- - G\ :sub:`10high`
-
- - R\ :sub:`11low`
-
- - R\ :sub:`11high`
-
- - G\ :sub:`12low`
-
- - G\ :sub:`12high`
-
- - R\ :sub:`13low`
-
- - R\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - B\ :sub:`20low`
-
- - B\ :sub:`20high`
-
- - G\ :sub:`21low`
-
- - G\ :sub:`21high`
-
- - B\ :sub:`22low`
-
- - B\ :sub:`22high`
-
- - G\ :sub:`23low`
-
- - G\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - G\ :sub:`30low`
-
- - G\ :sub:`30high`
-
- - R\ :sub:`31low`
-
- - R\ :sub:`31high`
-
- - G\ :sub:`32low`
-
- - G\ :sub:`32high`
-
- - R\ :sub:`33low`
-
- - R\ :sub:`33high`
+ * - start + 0:
+ - B\ :sub:`00low`
+ - B\ :sub:`00high`
+ - G\ :sub:`01low`
+ - G\ :sub:`01high`
+ - B\ :sub:`02low`
+ - B\ :sub:`02high`
+ - G\ :sub:`03low`
+ - G\ :sub:`03high`
+ * - start + 8:
+ - G\ :sub:`10low`
+ - G\ :sub:`10high`
+ - R\ :sub:`11low`
+ - R\ :sub:`11high`
+ - G\ :sub:`12low`
+ - G\ :sub:`12high`
+ - R\ :sub:`13low`
+ - R\ :sub:`13high`
+ * - start + 16:
+ - B\ :sub:`20low`
+ - B\ :sub:`20high`
+ - G\ :sub:`21low`
+ - G\ :sub:`21high`
+ - B\ :sub:`22low`
+ - B\ :sub:`22high`
+ - G\ :sub:`23low`
+ - G\ :sub:`23high`
+ * - start + 24:
+ - G\ :sub:`30low`
+ - G\ :sub:`30high`
+ - R\ :sub:`31low`
+ - R\ :sub:`31high`
+ - G\ :sub:`32low`
+ - G\ :sub:`32high`
+ - R\ :sub:`33low`
+ - R\ :sub:`33high`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - B\ :sub:`00`
-
- - G\ :sub:`01`
-
- - B\ :sub:`02`
-
- - G\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - G\ :sub:`10`
-
- - R\ :sub:`11`
-
- - G\ :sub:`12`
-
- - R\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - B\ :sub:`20`
-
- - G\ :sub:`21`
-
- - B\ :sub:`22`
-
- - G\ :sub:`23`
-
- - .. row 4
-
- - start + 12:
-
- - G\ :sub:`30`
-
- - R\ :sub:`31`
-
- - G\ :sub:`32`
-
- - R\ :sub:`33`
+ * - start + 0:
+ - B\ :sub:`00`
+ - G\ :sub:`01`
+ - B\ :sub:`02`
+ - G\ :sub:`03`
+ * - start + 4:
+ - G\ :sub:`10`
+ - R\ :sub:`11`
+ - G\ :sub:`12`
+ - R\ :sub:`13`
+ * - start + 8:
+ - B\ :sub:`20`
+ - G\ :sub:`21`
+ - B\ :sub:`22`
+ - G\ :sub:`23`
+ * - start + 12:
+ - G\ :sub:`30`
+ - R\ :sub:`31`
+ - G\ :sub:`32`
+ - R\ :sub:`33`
:stub-columns: 0
:widths: 2 1 1 1 1
-
- - .. row 1
-
- - start + 0:
-
- - D'\ :sub:`00`
-
- - D'\ :sub:`01`
-
- - D'\ :sub:`02`
-
- - D'\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - D'\ :sub:`10`
-
- - D'\ :sub:`11`
-
- - D'\ :sub:`12`
-
- - D'\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - D'\ :sub:`20`
-
- - D'\ :sub:`21`
-
- - D'\ :sub:`22`
-
- - D'\ :sub:`23`
-
- - .. row 4
-
- - start + 12:
-
- - D'\ :sub:`30`
-
- - D'\ :sub:`31`
-
- - D'\ :sub:`32`
-
- - D'\ :sub:`33`
+ * - start + 0:
+ - D'\ :sub:`00`
+ - D'\ :sub:`01`
+ - D'\ :sub:`02`
+ - D'\ :sub:`03`
+ * - start + 4:
+ - D'\ :sub:`10`
+ - D'\ :sub:`11`
+ - D'\ :sub:`12`
+ - D'\ :sub:`13`
+ * - start + 8:
+ - D'\ :sub:`20`
+ - D'\ :sub:`21`
+ - D'\ :sub:`22`
+ - D'\ :sub:`23`
+ * - start + 12:
+ - D'\ :sub:`30`
+ - D'\ :sub:`31`
+ - D'\ :sub:`32`
+ - D'\ :sub:`33`
:stub-columns: 0
:widths: 2 1 1 1 1 1 1 1 1
-
- - .. row 1
-
- - start + 0:
-
- - D'\ :sub:`00high`
-
- - D'\ :sub:`00low`
-
- - D'\ :sub:`01high`
-
- - D'\ :sub:`01low`
-
- - D'\ :sub:`02high`
-
- - D'\ :sub:`02low`
-
- - D'\ :sub:`03high`
-
- - D'\ :sub:`03low`
-
- - .. row 2
-
- - start + 8:
-
- - D'\ :sub:`10high`
-
- - D'\ :sub:`10low`
-
- - D'\ :sub:`11high`
-
- - D'\ :sub:`11low`
-
- - D'\ :sub:`12high`
-
- - D'\ :sub:`12low`
-
- - D'\ :sub:`13high`
-
- - D'\ :sub:`13low`
-
- - .. row 3
-
- - start + 16:
-
- - D'\ :sub:`20high`
-
- - D'\ :sub:`20low`
-
- - D'\ :sub:`21high`
-
- - D'\ :sub:`21low`
-
- - D'\ :sub:`22high`
-
- - D'\ :sub:`22low`
-
- - D'\ :sub:`23high`
-
- - D'\ :sub:`23low`
-
- - .. row 4
-
- - start + 24:
-
- - D'\ :sub:`30high`
-
- - D'\ :sub:`30low`
-
- - D'\ :sub:`31high`
-
- - D'\ :sub:`31low`
-
- - D'\ :sub:`32high`
-
- - D'\ :sub:`32low`
-
- - D'\ :sub:`33high`
-
- - D'\ :sub:`33low`
+ * - start + 0:
+ - D'\ :sub:`00high`
+ - D'\ :sub:`00low`
+ - D'\ :sub:`01high`
+ - D'\ :sub:`01low`
+ - D'\ :sub:`02high`
+ - D'\ :sub:`02low`
+ - D'\ :sub:`03high`
+ - D'\ :sub:`03low`
+ * - start + 8:
+ - D'\ :sub:`10high`
+ - D'\ :sub:`10low`
+ - D'\ :sub:`11high`
+ - D'\ :sub:`11low`
+ - D'\ :sub:`12high`
+ - D'\ :sub:`12low`
+ - D'\ :sub:`13high`
+ - D'\ :sub:`13low`
+ * - start + 16:
+ - D'\ :sub:`20high`
+ - D'\ :sub:`20low`
+ - D'\ :sub:`21high`
+ - D'\ :sub:`21low`
+ - D'\ :sub:`22high`
+ - D'\ :sub:`22low`
+ - D'\ :sub:`23high`
+ - D'\ :sub:`23low`
+ * - start + 24:
+ - D'\ :sub:`30high`
+ - D'\ :sub:`30low`
+ - D'\ :sub:`31high`
+ - D'\ :sub:`31low`
+ - D'\ :sub:`32high`
+ - D'\ :sub:`32low`
+ - D'\ :sub:`33high`
+ - D'\ :sub:`33low`
:stub-columns: 0
:widths: 2 1 1 1 1
-
- - .. row 1
-
- - start + 0:
-
- - R'\ :sub:`00`
-
- - R'\ :sub:`01`
-
- - R'\ :sub:`02`
-
- - R'\ :sub:`03`
-
- - .. row 2
-
- - start + 4:
-
- - R'\ :sub:`10`
-
- - R'\ :sub:`11`
-
- - R'\ :sub:`12`
-
- - R'\ :sub:`13`
-
- - .. row 3
-
- - start + 8:
-
- - R'\ :sub:`20`
-
- - R'\ :sub:`21`
-
- - R'\ :sub:`22`
-
- - R'\ :sub:`23`
-
- - .. row 4
-
- - start + 12:
-
- - R'\ :sub:`30`
-
- - R'\ :sub:`31`
-
- - R'\ :sub:`32`
-
- - R'\ :sub:`33`
+ * - start + 0:
+ - R'\ :sub:`00`
+ - R'\ :sub:`01`
+ - R'\ :sub:`02`
+ - R'\ :sub:`03`
+ * - start + 4:
+ - R'\ :sub:`10`
+ - R'\ :sub:`11`
+ - R'\ :sub:`12`
+ - R'\ :sub:`13`
+ * - start + 8:
+ - R'\ :sub:`20`
+ - R'\ :sub:`21`
+ - R'\ :sub:`22`
+ - R'\ :sub:`23`
+ * - start + 12:
+ - R'\ :sub:`30`
+ - R'\ :sub:`31`
+ - R'\ :sub:`32`
+ - R'\ :sub:`33`
:stub-columns: 0
:widths: 2 1 1 1 1 1 1 1 1
-
- - .. row 1
-
- - start + 0:
-
- - R'\ :sub:`00high`
-
- - R'\ :sub:`00low`
-
- - R'\ :sub:`01high`
-
- - R'\ :sub:`01low`
-
- - R'\ :sub:`02high`
-
- - R'\ :sub:`02low`
-
- - R'\ :sub:`03high`
-
- - R'\ :sub:`03low`
-
- - .. row 2
-
- - start + 8:
-
- - R'\ :sub:`10high`
-
- - R'\ :sub:`10low`
-
- - R'\ :sub:`11high`
-
- - R'\ :sub:`11low`
-
- - R'\ :sub:`12high`
-
- - R'\ :sub:`12low`
-
- - R'\ :sub:`13high`
-
- - R'\ :sub:`13low`
-
- - .. row 3
-
- - start + 16:
-
- - R'\ :sub:`20high`
-
- - R'\ :sub:`20low`
-
- - R'\ :sub:`21high`
-
- - R'\ :sub:`21low`
-
- - R'\ :sub:`22high`
-
- - R'\ :sub:`22low`
-
- - R'\ :sub:`23high`
-
- - R'\ :sub:`23low`
-
- - .. row 4
-
- - start + 24:
-
- - R'\ :sub:`30high`
-
- - R'\ :sub:`30low`
-
- - R'\ :sub:`31high`
-
- - R'\ :sub:`31low`
-
- - R'\ :sub:`32high`
-
- - R'\ :sub:`32low`
-
- - R'\ :sub:`33high`
-
- - R'\ :sub:`33low`
+ * - start + 0:
+ - R'\ :sub:`00high`
+ - R'\ :sub:`00low`
+ - R'\ :sub:`01high`
+ - R'\ :sub:`01low`
+ - R'\ :sub:`02high`
+ - R'\ :sub:`02low`
+ - R'\ :sub:`03high`
+ - R'\ :sub:`03low`
+ * - start + 8:
+ - R'\ :sub:`10high`
+ - R'\ :sub:`10low`
+ - R'\ :sub:`11high`
+ - R'\ :sub:`11low`
+ - R'\ :sub:`12high`
+ - R'\ :sub:`12low`
+ - R'\ :sub:`13high`
+ - R'\ :sub:`13low`
+ * - start + 16:
+ - R'\ :sub:`20high`
+ - R'\ :sub:`20low`
+ - R'\ :sub:`21high`
+ - R'\ :sub:`21low`
+ - R'\ :sub:`22high`
+ - R'\ :sub:`22low`
+ - R'\ :sub:`23high`
+ - R'\ :sub:`23low`
+ * - start + 24:
+ - R'\ :sub:`30high`
+ - R'\ :sub:`30low`
+ - R'\ :sub:`31high`
+ - R'\ :sub:`31low`
+ - R'\ :sub:`32high`
+ - R'\ :sub:`32low`
+ - R'\ :sub:`33high`
+ - R'\ :sub:`33low`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Cb\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Cb\ :sub:`01`
-
- - Cr\ :sub:`01`
-
- - .. row 2
-
- - start + 4:
-
- - Cb\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Cb\ :sub:`11`
-
- - Cr\ :sub:`11`
-
- - .. row 3
-
- - start + 8:
-
- - Cb\ :sub:`20`
-
- - Cr\ :sub:`20`
-
- - Cb\ :sub:`21`
-
- - Cr\ :sub:`21`
-
- - .. row 4
-
- - start + 12:
-
- - Cb\ :sub:`30`
-
- - Cr\ :sub:`30`
-
- - Cb\ :sub:`31`
-
- - Cr\ :sub:`31`
+ * - start + 0:
+ - Cb\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Cb\ :sub:`01`
+ - Cr\ :sub:`01`
+ * - start + 4:
+ - Cb\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Cb\ :sub:`11`
+ - Cr\ :sub:`11`
+ * - start + 8:
+ - Cb\ :sub:`20`
+ - Cr\ :sub:`20`
+ - Cb\ :sub:`21`
+ - Cr\ :sub:`21`
+ * - start + 12:
+ - Cb\ :sub:`30`
+ - Cr\ :sub:`30`
+ - Cb\ :sub:`31`
+ - Cr\ :sub:`31`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Cb\ :sub:`00`
-
- - Y'\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Cb\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Cr\ :sub:`01`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start + 8:
-
- - Cb\ :sub:`10`
-
- - Y'\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Cb\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Cr\ :sub:`11`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start + 16:
-
- - Cb\ :sub:`20`
-
- - Y'\ :sub:`20`
-
- - Cr\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Cb\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Cr\ :sub:`21`
-
- - Y'\ :sub:`23`
-
- - .. row 4
-
- - start + 24:
-
- - Cb\ :sub:`30`
-
- - Y'\ :sub:`30`
-
- - Cr\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Cb\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Cr\ :sub:`31`
-
- - Y'\ :sub:`33`
+ * - start + 0:
+ - Cb\ :sub:`00`
+ - Y'\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Cb\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Cr\ :sub:`01`
+ - Y'\ :sub:`03`
+ * - start + 8:
+ - Cb\ :sub:`10`
+ - Y'\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Cb\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Cr\ :sub:`11`
+ - Y'\ :sub:`13`
+ * - start + 16:
+ - Cb\ :sub:`20`
+ - Y'\ :sub:`20`
+ - Cr\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Cb\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Cr\ :sub:`21`
+ - Y'\ :sub:`23`
+ * - start + 24:
+ - Cb\ :sub:`30`
+ - Y'\ :sub:`30`
+ - Cr\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Cb\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Cr\ :sub:`31`
+ - Y'\ :sub:`33`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- - 2
-
- -
- - 3
-
- - .. row 2
-
- - 0
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 3
-
- - 1
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 4
-
- - 2
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 5
-
- - 3
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
+ * -
+ - 0
+ -
+ - 1
+ - 2
+ -
+ - 3
+ * - 0
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 1
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 2
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 3
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Cr\ :sub:`00`
-
- - Y'\ :sub:`00`
-
- - Cb\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Cr\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Cb\ :sub:`01`
-
- - Y'\ :sub:`03`
-
- - .. row 2
-
- - start + 8:
-
- - Cr\ :sub:`10`
-
- - Y'\ :sub:`10`
-
- - Cb\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Cr\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Cb\ :sub:`11`
-
- - Y'\ :sub:`13`
-
- - .. row 3
-
- - start + 16:
-
- - Cr\ :sub:`20`
-
- - Y'\ :sub:`20`
-
- - Cb\ :sub:`20`
-
- - Y'\ :sub:`21`
-
- - Cr\ :sub:`21`
-
- - Y'\ :sub:`22`
-
- - Cb\ :sub:`21`
-
- - Y'\ :sub:`23`
-
- - .. row 4
-
- - start + 24:
-
- - Cr\ :sub:`30`
-
- - Y'\ :sub:`30`
-
- - Cb\ :sub:`30`
-
- - Y'\ :sub:`31`
-
- - Cr\ :sub:`31`
-
- - Y'\ :sub:`32`
-
- - Cb\ :sub:`31`
-
- - Y'\ :sub:`33`
+ * - start + 0:
+ - Cr\ :sub:`00`
+ - Y'\ :sub:`00`
+ - Cb\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Cr\ :sub:`01`
+ - Y'\ :sub:`02`
+ - Cb\ :sub:`01`
+ - Y'\ :sub:`03`
+ * - start + 8:
+ - Cr\ :sub:`10`
+ - Y'\ :sub:`10`
+ - Cb\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Cr\ :sub:`11`
+ - Y'\ :sub:`12`
+ - Cb\ :sub:`11`
+ - Y'\ :sub:`13`
+ * - start + 16:
+ - Cr\ :sub:`20`
+ - Y'\ :sub:`20`
+ - Cb\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Cr\ :sub:`21`
+ - Y'\ :sub:`22`
+ - Cb\ :sub:`21`
+ - Y'\ :sub:`23`
+ * - start + 24:
+ - Cr\ :sub:`30`
+ - Y'\ :sub:`30`
+ - Cb\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Cr\ :sub:`31`
+ - Y'\ :sub:`32`
+ - Cb\ :sub:`31`
+ - Y'\ :sub:`33`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- -
- - 2
-
- - 3
-
- - .. row 2
-
- - 0
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 3
-
- - 1
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 4
-
- - 2
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 5
-
- - 3
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
+ * -
+ - 0
+ -
+ - 1
+ -
+ - 2
+ - 3
+ * - 0
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 1
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 2
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 3
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00low`
-
- - Y'\ :sub:`00high`
-
- - Y'\ :sub:`01low`
-
- - Y'\ :sub:`01high`
-
- - Y'\ :sub:`02low`
-
- - Y'\ :sub:`02high`
-
- - Y'\ :sub:`03low`
-
- - Y'\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - Y'\ :sub:`10low`
-
- - Y'\ :sub:`10high`
-
- - Y'\ :sub:`11low`
-
- - Y'\ :sub:`11high`
-
- - Y'\ :sub:`12low`
-
- - Y'\ :sub:`12high`
-
- - Y'\ :sub:`13low`
-
- - Y'\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - Y'\ :sub:`20low`
-
- - Y'\ :sub:`20high`
-
- - Y'\ :sub:`21low`
-
- - Y'\ :sub:`21high`
-
- - Y'\ :sub:`22low`
-
- - Y'\ :sub:`22high`
-
- - Y'\ :sub:`23low`
-
- - Y'\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - Y'\ :sub:`30low`
-
- - Y'\ :sub:`30high`
-
- - Y'\ :sub:`31low`
-
- - Y'\ :sub:`31high`
-
- - Y'\ :sub:`32low`
-
- - Y'\ :sub:`32high`
-
- - Y'\ :sub:`33low`
-
- - Y'\ :sub:`33high`
+ * - start + 0:
+ - Y'\ :sub:`00low`
+ - Y'\ :sub:`00high`
+ - Y'\ :sub:`01low`
+ - Y'\ :sub:`01high`
+ - Y'\ :sub:`02low`
+ - Y'\ :sub:`02high`
+ - Y'\ :sub:`03low`
+ - Y'\ :sub:`03high`
+ * - start + 8:
+ - Y'\ :sub:`10low`
+ - Y'\ :sub:`10high`
+ - Y'\ :sub:`11low`
+ - Y'\ :sub:`11high`
+ - Y'\ :sub:`12low`
+ - Y'\ :sub:`12high`
+ - Y'\ :sub:`13low`
+ - Y'\ :sub:`13high`
+ * - start + 16:
+ - Y'\ :sub:`20low`
+ - Y'\ :sub:`20high`
+ - Y'\ :sub:`21low`
+ - Y'\ :sub:`21high`
+ - Y'\ :sub:`22low`
+ - Y'\ :sub:`22high`
+ - Y'\ :sub:`23low`
+ - Y'\ :sub:`23high`
+ * - start + 24:
+ - Y'\ :sub:`30low`
+ - Y'\ :sub:`30high`
+ - Y'\ :sub:`31low`
+ - Y'\ :sub:`31high`
+ - Y'\ :sub:`32low`
+ - Y'\ :sub:`32high`
+ - Y'\ :sub:`33low`
+ - Y'\ :sub:`33high`
:header-rows: 0
:stub-columns: 0
- - .. row 1
-
- - Y'\ :sub:`00[9:2]`
-
- - Y'\ :sub:`00[1:0]`\ Y'\ :sub:`01[9:4]`
-
- - Y'\ :sub:`01[3:0]`\ Y'\ :sub:`02[9:6]`
-
- - Y'\ :sub:`02[5:0]`\ Y'\ :sub:`03[9:8]`
-
- - Y'\ :sub:`03[7:0]`
+ * - Y'\ :sub:`00[9:2]`
+ - Y'\ :sub:`00[1:0]`\ Y'\ :sub:`01[9:4]`
+ - Y'\ :sub:`01[3:0]`\ Y'\ :sub:`02[9:6]`
+ - Y'\ :sub:`02[5:0]`\ Y'\ :sub:`03[9:8]`
+ - Y'\ :sub:`03[7:0]`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00low`
-
- - Y'\ :sub:`00high`
-
- - Y'\ :sub:`01low`
-
- - Y'\ :sub:`01high`
-
- - Y'\ :sub:`02low`
-
- - Y'\ :sub:`02high`
-
- - Y'\ :sub:`03low`
-
- - Y'\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - Y'\ :sub:`10low`
-
- - Y'\ :sub:`10high`
-
- - Y'\ :sub:`11low`
-
- - Y'\ :sub:`11high`
-
- - Y'\ :sub:`12low`
-
- - Y'\ :sub:`12high`
-
- - Y'\ :sub:`13low`
-
- - Y'\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - Y'\ :sub:`20low`
-
- - Y'\ :sub:`20high`
-
- - Y'\ :sub:`21low`
-
- - Y'\ :sub:`21high`
-
- - Y'\ :sub:`22low`
-
- - Y'\ :sub:`22high`
-
- - Y'\ :sub:`23low`
-
- - Y'\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - Y'\ :sub:`30low`
-
- - Y'\ :sub:`30high`
-
- - Y'\ :sub:`31low`
-
- - Y'\ :sub:`31high`
-
- - Y'\ :sub:`32low`
-
- - Y'\ :sub:`32high`
-
- - Y'\ :sub:`33low`
-
- - Y'\ :sub:`33high`
+ * - start + 0:
+ - Y'\ :sub:`00low`
+ - Y'\ :sub:`00high`
+ - Y'\ :sub:`01low`
+ - Y'\ :sub:`01high`
+ - Y'\ :sub:`02low`
+ - Y'\ :sub:`02high`
+ - Y'\ :sub:`03low`
+ - Y'\ :sub:`03high`
+ * - start + 8:
+ - Y'\ :sub:`10low`
+ - Y'\ :sub:`10high`
+ - Y'\ :sub:`11low`
+ - Y'\ :sub:`11high`
+ - Y'\ :sub:`12low`
+ - Y'\ :sub:`12high`
+ - Y'\ :sub:`13low`
+ - Y'\ :sub:`13high`
+ * - start + 16:
+ - Y'\ :sub:`20low`
+ - Y'\ :sub:`20high`
+ - Y'\ :sub:`21low`
+ - Y'\ :sub:`21high`
+ - Y'\ :sub:`22low`
+ - Y'\ :sub:`22high`
+ - Y'\ :sub:`23low`
+ - Y'\ :sub:`23high`
+ * - start + 24:
+ - Y'\ :sub:`30low`
+ - Y'\ :sub:`30high`
+ - Y'\ :sub:`31low`
+ - Y'\ :sub:`31high`
+ - Y'\ :sub:`32low`
+ - Y'\ :sub:`32high`
+ - Y'\ :sub:`33low`
+ - Y'\ :sub:`33high`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Y'\ :sub:`0left[7:0]`
-
- - Y'\ :sub:`0right[3:0]`\ Y'\ :sub:`0left[11:8]`
-
- - Y'\ :sub:`0right[11:4]`
+ * - Y'\ :sub:`0left[7:0]`
+ - Y'\ :sub:`0right[3:0]`\ Y'\ :sub:`0left[11:8]`
+ - Y'\ :sub:`0right[11:4]`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00high`
-
- - Y'\ :sub:`00low`
-
- - Y'\ :sub:`01high`
-
- - Y'\ :sub:`01low`
-
- - Y'\ :sub:`02high`
-
- - Y'\ :sub:`02low`
-
- - Y'\ :sub:`03high`
-
- - Y'\ :sub:`03low`
-
- - .. row 2
-
- - start + 8:
-
- - Y'\ :sub:`10high`
-
- - Y'\ :sub:`10low`
-
- - Y'\ :sub:`11high`
-
- - Y'\ :sub:`11low`
-
- - Y'\ :sub:`12high`
-
- - Y'\ :sub:`12low`
-
- - Y'\ :sub:`13high`
-
- - Y'\ :sub:`13low`
-
- - .. row 3
-
- - start + 16:
-
- - Y'\ :sub:`20high`
-
- - Y'\ :sub:`20low`
-
- - Y'\ :sub:`21high`
-
- - Y'\ :sub:`21low`
-
- - Y'\ :sub:`22high`
-
- - Y'\ :sub:`22low`
-
- - Y'\ :sub:`23high`
-
- - Y'\ :sub:`23low`
-
- - .. row 4
-
- - start + 24:
-
- - Y'\ :sub:`30high`
-
- - Y'\ :sub:`30low`
-
- - Y'\ :sub:`31high`
-
- - Y'\ :sub:`31low`
-
- - Y'\ :sub:`32high`
-
- - Y'\ :sub:`32low`
-
- - Y'\ :sub:`33high`
-
- - Y'\ :sub:`33low`
+ * - start + 0:
+ - Y'\ :sub:`00high`
+ - Y'\ :sub:`00low`
+ - Y'\ :sub:`01high`
+ - Y'\ :sub:`01low`
+ - Y'\ :sub:`02high`
+ - Y'\ :sub:`02low`
+ - Y'\ :sub:`03high`
+ - Y'\ :sub:`03low`
+ * - start + 8:
+ - Y'\ :sub:`10high`
+ - Y'\ :sub:`10low`
+ - Y'\ :sub:`11high`
+ - Y'\ :sub:`11low`
+ - Y'\ :sub:`12high`
+ - Y'\ :sub:`12low`
+ - Y'\ :sub:`13high`
+ - Y'\ :sub:`13low`
+ * - start + 16:
+ - Y'\ :sub:`20high`
+ - Y'\ :sub:`20low`
+ - Y'\ :sub:`21high`
+ - Y'\ :sub:`21low`
+ - Y'\ :sub:`22high`
+ - Y'\ :sub:`22low`
+ - Y'\ :sub:`23high`
+ - Y'\ :sub:`23low`
+ * - start + 24:
+ - Y'\ :sub:`30high`
+ - Y'\ :sub:`30low`
+ - Y'\ :sub:`31high`
+ - Y'\ :sub:`31low`
+ - Y'\ :sub:`32high`
+ - Y'\ :sub:`32low`
+ - Y'\ :sub:`33high`
+ - Y'\ :sub:`33low`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Y'\ :sub:`00low`
-
- - Y'\ :sub:`00high`
-
- - Y'\ :sub:`01low`
-
- - Y'\ :sub:`01high`
-
- - Y'\ :sub:`02low`
-
- - Y'\ :sub:`02high`
-
- - Y'\ :sub:`03low`
-
- - Y'\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - Y'\ :sub:`10low`
-
- - Y'\ :sub:`10high`
-
- - Y'\ :sub:`11low`
-
- - Y'\ :sub:`11high`
-
- - Y'\ :sub:`12low`
-
- - Y'\ :sub:`12high`
-
- - Y'\ :sub:`13low`
-
- - Y'\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - Y'\ :sub:`20low`
-
- - Y'\ :sub:`20high`
-
- - Y'\ :sub:`21low`
-
- - Y'\ :sub:`21high`
-
- - Y'\ :sub:`22low`
-
- - Y'\ :sub:`22high`
-
- - Y'\ :sub:`23low`
-
- - Y'\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - Y'\ :sub:`30low`
-
- - Y'\ :sub:`30high`
-
- - Y'\ :sub:`31low`
-
- - Y'\ :sub:`31high`
-
- - Y'\ :sub:`32low`
-
- - Y'\ :sub:`32high`
-
- - Y'\ :sub:`33low`
-
- - Y'\ :sub:`33high`
+ * - start + 0:
+ - Y'\ :sub:`00low`
+ - Y'\ :sub:`00high`
+ - Y'\ :sub:`01low`
+ - Y'\ :sub:`01high`
+ - Y'\ :sub:`02low`
+ - Y'\ :sub:`02high`
+ - Y'\ :sub:`03low`
+ - Y'\ :sub:`03high`
+ * - start + 8:
+ - Y'\ :sub:`10low`
+ - Y'\ :sub:`10high`
+ - Y'\ :sub:`11low`
+ - Y'\ :sub:`11high`
+ - Y'\ :sub:`12low`
+ - Y'\ :sub:`12high`
+ - Y'\ :sub:`13low`
+ - Y'\ :sub:`13high`
+ * - start + 16:
+ - Y'\ :sub:`20low`
+ - Y'\ :sub:`20high`
+ - Y'\ :sub:`21low`
+ - Y'\ :sub:`21high`
+ - Y'\ :sub:`22low`
+ - Y'\ :sub:`22high`
+ - Y'\ :sub:`23low`
+ - Y'\ :sub:`23high`
+ * - start + 24:
+ - Y'\ :sub:`30low`
+ - Y'\ :sub:`30high`
+ - Y'\ :sub:`31low`
+ - Y'\ :sub:`31high`
+ - Y'\ :sub:`32low`
+ - Y'\ :sub:`32high`
+ - Y'\ :sub:`33low`
+ - Y'\ :sub:`33high`
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Cb\ :sub:`00`
-
- - Y'\ :sub:`00`
-
- - Cr\ :sub:`00`
-
- - Y'\ :sub:`01`
-
- - Cb\ :sub:`01`
-
- - Y'\ :sub:`02`
-
- - Cr\ :sub:`01`
-
- - Y'\ :sub:`03`
-
- - Y'\ :sub:`04`
-
- - Y'\ :sub:`05`
-
- - Y'\ :sub:`06`
-
- - Y'\ :sub:`07`
-
- - .. row 2
-
- - start + 12:
-
- - Cb\ :sub:`10`
-
- - Y'\ :sub:`10`
-
- - Cr\ :sub:`10`
-
- - Y'\ :sub:`11`
-
- - Cb\ :sub:`11`
-
- - Y'\ :sub:`12`
-
- - Cr\ :sub:`11`
-
- - Y'\ :sub:`13`
-
- - Y'\ :sub:`14`
-
- - Y'\ :sub:`15`
-
- - Y'\ :sub:`16`
-
- - Y'\ :sub:`17`
-
- - .. row 3
-
- - start + 24:
-
- - Cb\ :sub:`20`
-
- - Y'\ :sub:`20`
-
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-
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-
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-
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-
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-
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-
- - Y'\ :sub:`24`
-
- - Y'\ :sub:`25`
-
- - Y'\ :sub:`26`
-
- - Y'\ :sub:`27`
-
- - .. row 4
-
- - start + 36:
-
- - Cb\ :sub:`30`
-
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-
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-
- - Y'\ :sub:`31`
-
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-
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-
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-
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-
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-
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-
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-
- - Y'\ :sub:`37`
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**Color Sample Location..**
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-
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-
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-
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-
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-
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-
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-
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-
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**Color Sample Location..**
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**Color Sample Location..**
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**Color Sample Location..**
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-
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-
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-
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-
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-
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-
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-
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**Color Sample Location..**
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- - Cb\ :sub:`31`
+ * - start + 0:
+ - Y'\ :sub:`00`
+ - Cr\ :sub:`00`
+ - Y'\ :sub:`01`
+ - Cb\ :sub:`00`
+ - Y'\ :sub:`02`
+ - Cr\ :sub:`01`
+ - Y'\ :sub:`03`
+ - Cb\ :sub:`01`
+ * - start + 8:
+ - Y'\ :sub:`10`
+ - Cr\ :sub:`10`
+ - Y'\ :sub:`11`
+ - Cb\ :sub:`10`
+ - Y'\ :sub:`12`
+ - Cr\ :sub:`11`
+ - Y'\ :sub:`13`
+ - Cb\ :sub:`11`
+ * - start + 16:
+ - Y'\ :sub:`20`
+ - Cr\ :sub:`20`
+ - Y'\ :sub:`21`
+ - Cb\ :sub:`20`
+ - Y'\ :sub:`22`
+ - Cr\ :sub:`21`
+ - Y'\ :sub:`23`
+ - Cb\ :sub:`21`
+ * - start + 24:
+ - Y'\ :sub:`30`
+ - Cr\ :sub:`30`
+ - Y'\ :sub:`31`
+ - Cb\ :sub:`30`
+ - Y'\ :sub:`32`
+ - Cr\ :sub:`31`
+ - Y'\ :sub:`33`
+ - Cb\ :sub:`31`
**Color Sample Location..**
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- -
- - 0
-
- -
- - 1
-
- - 2
-
- -
- - 3
-
- - .. row 2
-
- - 0
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 3
-
- - 1
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 4
-
- - 2
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
-
- - .. row 5
-
- - 3
-
- - Y
-
- - C
-
- - Y
-
- - Y
-
- - C
-
- - Y
+ * -
+ - 0
+ -
+ - 1
+ - 2
+ -
+ - 3
+ * - 0
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 1
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 2
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
+ * - 3
+ - Y
+ - C
+ - Y
+ - Y
+ - C
+ - Y
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - start + 0:
-
- - Z\ :sub:`00low`
-
- - Z\ :sub:`00high`
-
- - Z\ :sub:`01low`
-
- - Z\ :sub:`01high`
-
- - Z\ :sub:`02low`
-
- - Z\ :sub:`02high`
-
- - Z\ :sub:`03low`
-
- - Z\ :sub:`03high`
-
- - .. row 2
-
- - start + 8:
-
- - Z\ :sub:`10low`
-
- - Z\ :sub:`10high`
-
- - Z\ :sub:`11low`
-
- - Z\ :sub:`11high`
-
- - Z\ :sub:`12low`
-
- - Z\ :sub:`12high`
-
- - Z\ :sub:`13low`
-
- - Z\ :sub:`13high`
-
- - .. row 3
-
- - start + 16:
-
- - Z\ :sub:`20low`
-
- - Z\ :sub:`20high`
-
- - Z\ :sub:`21low`
-
- - Z\ :sub:`21high`
-
- - Z\ :sub:`22low`
-
- - Z\ :sub:`22high`
-
- - Z\ :sub:`23low`
-
- - Z\ :sub:`23high`
-
- - .. row 4
-
- - start + 24:
-
- - Z\ :sub:`30low`
-
- - Z\ :sub:`30high`
-
- - Z\ :sub:`31low`
-
- - Z\ :sub:`31high`
-
- - Z\ :sub:`32low`
-
- - Z\ :sub:`32high`
-
- - Z\ :sub:`33low`
-
- - Z\ :sub:`33high`
+ * - start + 0:
+ - Z\ :sub:`00low`
+ - Z\ :sub:`00high`
+ - Z\ :sub:`01low`
+ - Z\ :sub:`01high`
+ - Z\ :sub:`02low`
+ - Z\ :sub:`02high`
+ - Z\ :sub:`03low`
+ - Z\ :sub:`03high`
+ * - start + 8:
+ - Z\ :sub:`10low`
+ - Z\ :sub:`10high`
+ - Z\ :sub:`11low`
+ - Z\ :sub:`11high`
+ - Z\ :sub:`12low`
+ - Z\ :sub:`12high`
+ - Z\ :sub:`13low`
+ - Z\ :sub:`13high`
+ * - start + 16:
+ - Z\ :sub:`20low`
+ - Z\ :sub:`20high`
+ - Z\ :sub:`21low`
+ - Z\ :sub:`21high`
+ - Z\ :sub:`22low`
+ - Z\ :sub:`22high`
+ - Z\ :sub:`23low`
+ - Z\ :sub:`23high`
+ * - start + 24:
+ - Z\ :sub:`30low`
+ - Z\ :sub:`30high`
+ - Z\ :sub:`31low`
+ - Z\ :sub:`31high`
+ - Z\ :sub:`32low`
+ - Z\ :sub:`32high`
+ - Z\ :sub:`33low`
+ - Z\ :sub:`33high`
:stub-columns: 0
:widths: 1 1 2
+ * - __u32
+ - ``width``
+ - Image width, in pixels.
+ * - __u32
+ - ``height``
+ - Image height, in pixels.
+ * - __u32
+ - ``code``
+ - Format code, from enum
+ :ref:`v4l2_mbus_pixelcode <v4l2-mbus-pixelcode>`.
+ * - __u32
+ - ``field``
+ - Field order, from enum :c:type:`v4l2_field`. See
+ :ref:`field-order` for details.
+ * - __u32
+ - ``colorspace``
+ - Image colorspace, from enum
+ :c:type:`v4l2_colorspace`. See
+ :ref:`colorspaces` for details.
+ * - enum :c:type:`v4l2_ycbcr_encoding`
+ - ``ycbcr_enc``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_quantization`
+ - ``quantization``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - enum :c:type:`v4l2_xfer_func`
+ - ``xfer_func``
+ - This information supplements the ``colorspace`` and must be set by
+ the driver for capture streams and by the application for output
+ streams, see :ref:`colorspaces`.
+ * - __u16
+ - ``reserved``\ [11]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
- - .. row 1
- - __u32
- - ``width``
-
- - Image width, in pixels.
-
- - .. row 2
-
- - __u32
-
- - ``height``
-
- - Image height, in pixels.
-
- - .. row 3
-
- - __u32
-
- - ``code``
-
- - Format code, from enum
- :ref:`v4l2_mbus_pixelcode <v4l2-mbus-pixelcode>`.
-
- - .. row 4
-
- - __u32
-
- - ``field``
-
- - Field order, from enum :c:type:`v4l2_field`. See
- :ref:`field-order` for details.
-
- - .. row 5
-
- - __u32
-
- - ``colorspace``
-
- - Image colorspace, from enum
- :c:type:`v4l2_colorspace`. See
- :ref:`colorspaces` for details.
-
- - .. row 6
-
- - enum :c:type:`v4l2_ycbcr_encoding`
-
- - ``ycbcr_enc``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 7
-
- - enum :c:type:`v4l2_quantization`
-
- - ``quantization``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 8
-
- - enum :c:type:`v4l2_xfer_func`
-
- - ``xfer_func``
-
- - This information supplements the ``colorspace`` and must be set by
- the driver for capture streams and by the application for output
- streams, see :ref:`colorspaces`.
-
- - .. row 9
-
- - __u16
-
- - ``reserved``\ [11]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
-
-
-
-.. _v4l2-mbus-pixelcode:
-
-Media Bus Pixel Codes
----------------------
-
-The media bus pixel codes describe image formats as flowing over
-physical busses (both between separate physical components and inside
-SoC devices). This should not be confused with the V4L2 pixel formats
-that describe, using four character codes, image formats as stored in
-memory.
-
-While there is a relationship between image formats on busses and image
-formats in memory (a raw Bayer image won't be magically converted to
-JPEG just by storing it to memory), there is no one-to-one
-correspondance between them.
-
-
-Packed RGB Formats
-^^^^^^^^^^^^^^^^^^
-
-Those formats transfer pixel data as red, green and blue components. The
-format code is made of the following information.
-
-- The red, green and blue components order code, as encoded in a pixel
- sample. Possible values are RGB and BGR.
-
-- The number of bits per component, for each component. The values can
- be different for all components. Common values are 555 and 565.
-
-- The number of bus samples per pixel. Pixels that are wider than the
- bus width must be transferred in multiple samples. Common values are
- 1 and 2.
-
-- The bus width.
-
-- For formats where the total number of bits per pixel is smaller than
- the number of bus samples per pixel times the bus width, a padding
- value stating if the bytes are padded in their most high order bits
- (PADHI) or low order bits (PADLO). A "C" prefix is used for
- component-wise padding in the most high order bits (CPADHI) or low
- order bits (CPADLO) of each separate component.
-
-- For formats where the number of bus samples per pixel is larger than
- 1, an endianness value stating if the pixel is transferred MSB first
- (BE) or LSB first (LE).
-
-For instance, a format where pixels are encoded as 5-bits red, 5-bits
-green and 5-bit blue values padded on the high bit, transferred as 2
-8-bit samples per pixel with the most significant bits (padding, red and
-half of the green value) transferred first will be named
-``MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE``.
-
-The following tables list existing packed RGB formats.
-
-.. HACK: ideally, we would be using adjustbox here. However, Sphinx
-.. is a very bad behaviored guy: if the table has more than 30 cols,
-.. it switches to long table, and there's no way to override it.
-
-
-.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
-
-.. _v4l2-mbus-pixelcode-rgb:
-
-.. raw:: latex
-
- \begingroup
- \tiny
- \setlength{\tabcolsep}{2pt}
-
-.. flat-table:: RGB formats
- :header-rows: 2
- :stub-columns: 0
- :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`31` Data organization
-
- - .. row 2
-
- -
- -
- - Bit
-
- - 31
-
- - 30
-
- - 29
-
- - 28
-
- - 27
-
- - 26
-
- - 25
-
- - 24
-
- - 23
-
- - 22
-
- - 21
-
- - 20
-
- - 19
-
- - 18
-
- - 17
-
- - 16
-
- - 15
-
- - 14
-
- - 13
-
- - 12
-
- - 11
-
- - 10
-
- - 9
-
- - 8
-
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _MEDIA-BUS-FMT-RGB444-1X12:
-
- - MEDIA_BUS_FMT_RGB444_1X12
-
- - 0x1016
-
- -
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB444-2X8-PADHI-BE:
-
- - MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE
-
- - 0x1001
-
- -
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - 0
-
- - 0
-
- - 0
-
- - 0
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. row 5
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- -
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB444-2X8-PADHI-LE:
-
- - MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE
-
- - 0x1002
-
- -
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. row 7
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- - 0
-
- - 0
-
- - 0
-
- - 0
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB555-2X8-PADHI-BE:
-
- - MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE
-
- - 0x1003
-
- -
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - 0
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - .. row 9
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- -
-
- -
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB555-2X8-PADHI-LE:
-
- - MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE
-
- - 0x1004
-
- -
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. row 11
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
-
- -
-
- -
-
- - 0
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - .. _MEDIA-BUS-FMT-RGB565-1X16:
-
- - MEDIA_BUS_FMT_RGB565_1X16
-
- - 0x1017
-
- -
- -
-
- -
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- -
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- -
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- -
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- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-BGR565-2X8-BE:
-
- - MEDIA_BUS_FMT_BGR565_2X8_BE
-
- - 0x1005
-
- -
- -
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- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - .. row 14
-
- -
- -
- -
- -
-
- -
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- -
-
- -
-
- -
-
- -
-
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- - .. _MEDIA-BUS-FMT-RGB666-1X18:
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- - MEDIA_BUS_FMT_RGB666_1X18
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- - .. _MEDIA-BUS-FMT-RBG888-1X24:
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- - MEDIA_BUS_FMT_RBG888_1X24
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- - .. _MEDIA-BUS-FMT-RGB666-1X24_CPADHI:
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- - MEDIA_BUS_FMT_RGB666_1X24_CPADHI
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- - .. _MEDIA-BUS-FMT-RGB888-1X24:
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- - .. _MEDIA-BUS-FMT-RGB888-2X12-BE:
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- - .. row 28
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- -
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- - .. _MEDIA-BUS-FMT-RGB888-2X12-LE:
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- - MEDIA_BUS_FMT_RGB888_2X12_LE
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- - .. row 30
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- - .. _MEDIA-BUS-FMT-ARGB888-1X32:
-
- - MEDIA_BUS_FMT_ARGB888_1X32
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- - 0x100d
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- -
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- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB888-1X32-PADHI:
-
- - MEDIA_BUS_FMT_RGB888_1X32_PADHI
-
- - 0x100f
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- -
- - 0
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- - 0
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- - 0
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- - 0
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- - 0
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- - r\ :sub:`7`
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-
-.. raw:: latex
-
- \endgroup
-
-On LVDS buses, usually each sample is transferred serialized in seven
-time slots per pixel clock, on three (18-bit) or four (24-bit)
-differential data pairs at the same time. The remaining bits are used
-for control signals as defined by SPWG/PSWG/VESA or JEIDA standards. The
-24-bit RGB format serialized in seven time slots on four lanes using
-JEIDA defined bit mapping will be named
-``MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA``, for example.
-
-.. raw:: latex
-
- \begin{adjustbox}{width=\columnwidth}
-
-.. _v4l2-mbus-pixelcode-rgb-lvds:
-
-.. flat-table:: LVDS RGB formats
- :header-rows: 2
- :stub-columns: 0
-
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- -
- - :cspan:`3` Data organization
-
- - .. row 2
-
- -
- -
- - Timeslot
-
- - Lane
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _MEDIA-BUS-FMT-RGB666-1X7X3-SPWG:
-
- - MEDIA_BUS_FMT_RGB666_1X7X3_SPWG
-
- - 0x1010
-
- - 0
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- -
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- - d
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- - b\ :sub:`1`
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- - g\ :sub:`0`
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- - .. row 4
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- -
- -
- - 1
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- -
- -
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- - d
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- - b\ :sub:`0`
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- - r\ :sub:`5`
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- - .. row 5
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- -
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- -
- -
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- - d
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- - g\ :sub:`5`
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- - r\ :sub:`4`
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- - .. row 6
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- -
- -
- - 3
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- -
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- - b\ :sub:`5`
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- - g\ :sub:`4`
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- - r\ :sub:`3`
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- - .. row 7
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- -
- -
- - 4
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- -
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- - b\ :sub:`4`
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- - g\ :sub:`3`
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- - r\ :sub:`2`
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- - .. row 8
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- -
- -
- - 5
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- -
- -
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- - b\ :sub:`3`
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- - g\ :sub:`2`
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- - r\ :sub:`1`
-
- - .. row 9
-
- -
- -
- - 6
-
- -
- -
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- - b\ :sub:`2`
-
- - g\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-RGB888-1X7X4-SPWG:
-
- - MEDIA_BUS_FMT_RGB888_1X7X4_SPWG
-
- - 0x1011
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-
-.. raw:: latex
-
- \end{adjustbox}\newline\newline
-
-
-Bayer Formats
-^^^^^^^^^^^^^
-
-Those formats transfer pixel data as red, green and blue components. The
-format code is made of the following information.
-
-- The red, green and blue components order code, as encoded in a pixel
- sample. The possible values are shown in :ref:`bayer-patterns`.
-
-- The number of bits per pixel component. All components are
- transferred on the same number of bits. Common values are 8, 10 and
- 12.
-
-- The compression (optional). If the pixel components are ALAW- or
- DPCM-compressed, a mention of the compression scheme and the number
- of bits per compressed pixel component.
-
-- The number of bus samples per pixel. Pixels that are wider than the
- bus width must be transferred in multiple samples. Common values are
- 1 and 2.
-
-- The bus width.
-
-- For formats where the total number of bits per pixel is smaller than
- the number of bus samples per pixel times the bus width, a padding
- value stating if the bytes are padded in their most high order bits
- (PADHI) or low order bits (PADLO).
-
-- For formats where the number of bus samples per pixel is larger than
- 1, an endianness value stating if the pixel is transferred MSB first
- (BE) or LSB first (LE).
-
-For instance, a format with uncompressed 10-bit Bayer components
-arranged in a red, green, green, blue pattern transferred as 2 8-bit
-samples per pixel with the least significant bits transferred first will
-be named ``MEDIA_BUS_FMT_SRGGB10_2X8_PADHI_LE``.
-
-
-.. _bayer-patterns:
-
-.. figure:: subdev-formats_files/bayer.*
- :alt: bayer.png
- :align: center
-
- **Figure 4.8 Bayer Patterns**
-
-
-
-The following table lists existing packed Bayer formats. The data
-organization is given as an example for the first pixel only.
-
-
-.. raw:: latex
-
- \newline\newline\begin{adjustbox}{width=\columnwidth}
-
-.. tabularcolumns:: |p{7.6cm}|p{1.6cm}|p{0.7cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|
-
-.. _v4l2-mbus-pixelcode-bayer:
-
-.. cssclass: longtable
-
-.. flat-table:: Bayer Formats
- :header-rows: 2
- :stub-columns: 0
-
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`15` Data organization
-
- - .. row 2
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-
- - .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADHI-BE:
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- - .. row 16
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-
- - .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADHI-LE:
-
- - MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE
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- - .. row 18
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- - MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE
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-
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-
- -
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- - .. _MEDIA-BUS-FMT-SBGGR12-1X12:
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- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SGRBG12-1X12:
-
- - MEDIA_BUS_FMT_SGRBG12_1X12
-
- - 0x3011
-
- -
- - -
-
- - -
-
- - -
-
- - -
-
- - g\ :sub:`11`
-
- - g\ :sub:`10`
-
- - g\ :sub:`9`
-
- - g\ :sub:`8`
-
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SRGGB12-1X12:
-
- - MEDIA_BUS_FMT_SRGGB12_1X12
-
- - 0x3012
-
- -
- - -
-
- - -
-
- - -
-
- - -
-
- - r\ :sub:`11`
-
- - r\ :sub:`10`
-
- - r\ :sub:`9`
-
- - r\ :sub:`8`
-
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SBGGR14-1X14:
-
- - MEDIA_BUS_FMT_SBGGR14_1X14
-
- - 0x3019
-
- -
- - -
-
- - -
-
- - b\ :sub:`13`
-
- - b\ :sub:`12`
-
- - b\ :sub:`11`
-
- - b\ :sub:`10`
-
- - b\ :sub:`9`
-
- - b\ :sub:`8`
-
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SGBRG14-1X14:
-
- - MEDIA_BUS_FMT_SGBRG14_1X14
-
- - 0x301a
-
- -
- - -
-
- - -
-
- - g\ :sub:`13`
-
- - g\ :sub:`12`
-
- - g\ :sub:`11`
-
- - g\ :sub:`10`
-
- - g\ :sub:`9`
-
- - g\ :sub:`8`
-
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SGRBG14-1X14:
-
- - MEDIA_BUS_FMT_SGRBG14_1X14
-
- - 0x301b
-
- -
- - -
-
- - -
-
- - g\ :sub:`13`
-
- - g\ :sub:`12`
-
- - g\ :sub:`11`
-
- - g\ :sub:`10`
-
- - g\ :sub:`9`
-
- - g\ :sub:`8`
-
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SRGGB14-1X14:
-
- - MEDIA_BUS_FMT_SRGGB14_1X14
-
- - 0x301c
-
- -
- - -
-
- - -
-
- - r\ :sub:`13`
-
- - r\ :sub:`12`
-
- - r\ :sub:`11`
-
- - r\ :sub:`10`
-
- - r\ :sub:`9`
-
- - r\ :sub:`8`
-
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SBGGR16-1X16:
-
- - MEDIA_BUS_FMT_SBGGR16_1X16
-
- - 0x301d
-
- -
- - b\ :sub:`15`
-
- - b\ :sub:`14`
-
- - b\ :sub:`13`
-
- - b\ :sub:`12`
-
- - b\ :sub:`11`
-
- - b\ :sub:`10`
-
- - b\ :sub:`9`
-
- - b\ :sub:`8`
-
- - b\ :sub:`7`
-
- - b\ :sub:`6`
-
- - b\ :sub:`5`
-
- - b\ :sub:`4`
-
- - b\ :sub:`3`
-
- - b\ :sub:`2`
-
- - b\ :sub:`1`
-
- - b\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SGBRG16-1X16:
-
- - MEDIA_BUS_FMT_SGBRG16_1X16
-
- - 0x301e
-
- -
- - g\ :sub:`15`
-
- - g\ :sub:`14`
-
- - g\ :sub:`13`
-
- - g\ :sub:`12`
-
- - g\ :sub:`11`
-
- - g\ :sub:`10`
-
- - g\ :sub:`9`
-
- - g\ :sub:`8`
-
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SGRBG16-1X16:
-
- - MEDIA_BUS_FMT_SGRBG16_1X16
-
- - 0x301f
-
- -
- - g\ :sub:`15`
-
- - g\ :sub:`14`
-
- - g\ :sub:`13`
-
- - g\ :sub:`12`
-
- - g\ :sub:`11`
-
- - g\ :sub:`10`
-
- - g\ :sub:`9`
-
- - g\ :sub:`8`
-
- - g\ :sub:`7`
-
- - g\ :sub:`6`
-
- - g\ :sub:`5`
-
- - g\ :sub:`4`
-
- - g\ :sub:`3`
-
- - g\ :sub:`2`
-
- - g\ :sub:`1`
-
- - g\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-SRGGB16-1X16:
-
- - MEDIA_BUS_FMT_SRGGB16_1X16
-
- - 0x3020
-
- -
- - r\ :sub:`15`
-
- - r\ :sub:`14`
-
- - r\ :sub:`13`
-
- - r\ :sub:`12`
-
- - r\ :sub:`11`
-
- - r\ :sub:`10`
-
- - r\ :sub:`9`
-
- - r\ :sub:`8`
-
- - r\ :sub:`7`
-
- - r\ :sub:`6`
-
- - r\ :sub:`5`
-
- - r\ :sub:`4`
-
- - r\ :sub:`3`
-
- - r\ :sub:`2`
-
- - r\ :sub:`1`
-
- - r\ :sub:`0`
-
-.. raw:: latex
-
- \end{adjustbox}\newline\newline
-
-
-Packed YUV Formats
-^^^^^^^^^^^^^^^^^^
-
-Those data formats transfer pixel data as (possibly downsampled) Y, U
-and V components. Some formats include dummy bits in some of their
-samples and are collectively referred to as "YDYC" (Y-Dummy-Y-Chroma)
-formats. One cannot rely on the values of these dummy bits as those are
-undefined.
-
-The format code is made of the following information.
-
-- The Y, U and V components order code, as transferred on the bus.
- Possible values are YUYV, UYVY, YVYU and VYUY for formats with no
- dummy bit, and YDYUYDYV, YDYVYDYU, YUYDYVYD and YVYDYUYD for YDYC
- formats.
-
-- The number of bits per pixel component. All components are
- transferred on the same number of bits. Common values are 8, 10 and
- 12.
-
-- The number of bus samples per pixel. Pixels that are wider than the
- bus width must be transferred in multiple samples. Common values are
- 1, 1.5 (encoded as 1_5) and 2.
-
-- The bus width. When the bus width is larger than the number of bits
- per pixel component, several components are packed in a single bus
- sample. The components are ordered as specified by the order code,
- with components on the left of the code transferred in the high order
- bits. Common values are 8 and 16.
-
-For instance, a format where pixels are encoded as 8-bit YUV values
-downsampled to 4:2:2 and transferred as 2 8-bit bus samples per pixel in
-the U, Y, V, Y order will be named ``MEDIA_BUS_FMT_UYVY8_2X8``.
-
-:ref:`v4l2-mbus-pixelcode-yuv8` lists existing packed YUV formats and
-describes the organization of each pixel data in each sample. When a
-format pattern is split across multiple samples each of the samples in
-the pattern is described.
-
-The role of each bit transferred over the bus is identified by one of
-the following codes.
-
-- y\ :sub:`x` for luma component bit number x
-
-- u\ :sub:`x` for blue chroma component bit number x
-
-- v\ :sub:`x` for red chroma component bit number x
-
-- a\ :sub:`x` for alpha component bit number x
-
-- for non-available bits (for positions higher than the bus width)
-
-- d for dummy bits
-
-.. HACK: ideally, we would be using adjustbox here. However, this
-.. will never work for this table, as, even with tiny font, it is
-.. to big for a single page. So, we need to manually adjust the
-.. size.
-
-.. raw:: latex
-
- \begingroup
- \tiny
- \setlength{\tabcolsep}{2pt}
-
-.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
-
-.. _v4l2-mbus-pixelcode-yuv8:
-
-.. flat-table:: YUV Formats
- :header-rows: 2
- :stub-columns: 0
- :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
-
- - .. row 1
-
- - Identifier
-
- - Code
-
- -
- - :cspan:`31` Data organization
-
- - .. row 2
-
- -
- -
- - Bit
-
- - 31
-
- - 30
-
- - 29
-
- - 28
-
- - 27
-
- - 26
-
- - 25
-
- - 24
-
- - 23
-
- - 22
-
- - 21
-
- - 10
-
- - 19
-
- - 18
-
- - 17
-
- - 16
-
- - 15
-
- - 14
-
- - 13
-
- - 12
-
- - 11
-
- - 10
-
- - 9
-
- - 8
-
- - 7
-
- - 6
-
- - 5
-
- - 4
-
- - 3
-
- - 2
-
- - 1
-
- - 0
-
- - .. _MEDIA-BUS-FMT-Y8-1X8:
-
- - MEDIA_BUS_FMT_Y8_1X8
-
- - 0x2001
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UV8-1X8:
-
- - MEDIA_BUS_FMT_UV8_1X8
-
- - 0x2015
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - .. row 5
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY8-1_5X8:
-
- - MEDIA_BUS_FMT_UYVY8_1_5X8
-
- - 0x2002
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - .. row 7
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. row 8
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. row 9
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. row 10
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. row 11
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY8-1_5X8:
-
- - MEDIA_BUS_FMT_VYUY8_1_5X8
-
- - 0x2003
-
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. row 13
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. row 14
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
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- - .. row 15
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- - u\ :sub:`3`
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- - u\ :sub:`1`
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- - u\ :sub:`0`
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- - .. row 16
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`0`
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- - .. row 17
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YUYV8-1_5X8:
-
- - MEDIA_BUS_FMT_YUYV8_1_5X8
-
- - 0x2004
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - .. row 19
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- - y\ :sub:`3`
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- - .. row 20
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- - u\ :sub:`3`
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- - u\ :sub:`0`
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- - .. row 21
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - .. row 22
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- - y\ :sub:`5`
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- - y\ :sub:`4`
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
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- - .. row 23
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- - v\ :sub:`7`
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- - v\ :sub:`5`
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- - v\ :sub:`4`
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- - v\ :sub:`3`
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- - v\ :sub:`2`
-
- - v\ :sub:`1`
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- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YVYU8-1_5X8:
-
- - MEDIA_BUS_FMT_YVYU8_1_5X8
-
- - 0x2005
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- -
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- - y\ :sub:`7`
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- - y\ :sub:`6`
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- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 25
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`0`
-
- - .. row 26
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- - v\ :sub:`4`
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- - v\ :sub:`3`
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- - v\ :sub:`0`
-
- - .. row 27
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- - y\ :sub:`3`
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- - .. row 28
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`0`
-
- - .. row 29
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- - u\ :sub:`7`
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- - u\ :sub:`6`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
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- - u\ :sub:`2`
-
- - u\ :sub:`1`
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- - u\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY8-2X8:
-
- - MEDIA_BUS_FMT_UYVY8_2X8
-
- - 0x2006
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- -
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- - u\ :sub:`7`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
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- - u\ :sub:`0`
-
- - .. row 31
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- - y\ :sub:`4`
-
- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 32
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- - v\ :sub:`6`
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- - v\ :sub:`5`
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- - v\ :sub:`4`
-
- - v\ :sub:`3`
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- - v\ :sub:`2`
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- - v\ :sub:`1`
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- - v\ :sub:`0`
-
- - .. row 33
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- - y\ :sub:`7`
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- - y\ :sub:`4`
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- - y\ :sub:`3`
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- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY8-2X8:
-
- - MEDIA_BUS_FMT_VYUY8_2X8
-
- - 0x2007
-
- -
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- - v\ :sub:`7`
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- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. row 35
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- - y\ :sub:`7`
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- - y\ :sub:`6`
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- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 36
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- -
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- - u\ :sub:`7`
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- - u\ :sub:`6`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - .. row 37
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- -
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- - y\ :sub:`7`
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- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YUYV8-2X8:
-
- - MEDIA_BUS_FMT_YUYV8_2X8
-
- - 0x2008
-
- -
- -
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- - y\ :sub:`7`
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- - y\ :sub:`6`
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- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. row 39
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- -
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- - u\ :sub:`7`
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- - u\ :sub:`6`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
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- - u\ :sub:`2`
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- - u\ :sub:`0`
-
- - .. row 40
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- - y\ :sub:`5`
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- - y\ :sub:`4`
-
- - y\ :sub:`3`
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- - y\ :sub:`2`
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-
- - .. row 41
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- - .. _MEDIA-BUS-FMT-YVYU8-2X8:
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- - MEDIA_BUS_FMT_YVYU8_2X8
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- - 0x2009
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- - .. row 44
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- - .. row 45
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-
- - .. _MEDIA-BUS-FMT-Y10-1X10:
-
- - MEDIA_BUS_FMT_Y10_1X10
-
- - 0x200a
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- -
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY10-2X10:
-
- - MEDIA_BUS_FMT_UYVY10_2X10
-
- - 0x2018
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- -
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- - .. row 48
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- - .. row 49
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- - .. row 50
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY10-2X10:
-
- - MEDIA_BUS_FMT_VYUY10_2X10
-
- - 0x2019
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- -
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- - .. row 52
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- - .. row 53
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- - .. row 54
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YUYV10-2X10:
-
- - MEDIA_BUS_FMT_YUYV10_2X10
-
- - 0x200b
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- -
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- - .. row 56
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- - .. row 57
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- - .. row 58
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- - v\ :sub:`2`
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- - v\ :sub:`1`
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- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YVYU10-2X10:
-
- - MEDIA_BUS_FMT_YVYU10_2X10
-
- - 0x200c
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- -
- -
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- - y\ :sub:`3`
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- - .. row 60
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- - .. row 61
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- - y\ :sub:`3`
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- - .. row 62
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- - u\ :sub:`3`
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- - u\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-Y12-1X12:
-
- - MEDIA_BUS_FMT_Y12_1X12
-
- - 0x2013
-
- -
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY12-2X12:
-
- - MEDIA_BUS_FMT_UYVY12_2X12
-
- - 0x201c
-
- -
- -
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- -
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- - u\ :sub:`3`
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- - .. row 65
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- - .. row 66
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- -
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- - v\ :sub:`11`
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- - v\ :sub:`10`
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- - v\ :sub:`9`
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- - v\ :sub:`8`
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- - v\ :sub:`7`
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- - v\ :sub:`6`
-
- - v\ :sub:`5`
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- - v\ :sub:`4`
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- - v\ :sub:`3`
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- - v\ :sub:`2`
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- - v\ :sub:`1`
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- - v\ :sub:`0`
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- - .. row 67
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- -
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- -
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`10`
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- - y\ :sub:`9`
-
- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
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- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY12-2X12:
-
- - MEDIA_BUS_FMT_VYUY12_2X12
-
- - 0x201d
-
- -
- -
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- - v\ :sub:`11`
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- - v\ :sub:`10`
-
- - v\ :sub:`9`
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- - v\ :sub:`8`
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- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
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- - v\ :sub:`1`
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- - v\ :sub:`0`
-
- - .. row 69
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- -
- -
- -
- -
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- -
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- -
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`10`
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- - y\ :sub:`9`
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- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
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- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 70
-
- -
- -
- -
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- -
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- -
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- - u\ :sub:`11`
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- - u\ :sub:`10`
-
- - u\ :sub:`9`
-
- - u\ :sub:`8`
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
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- - u\ :sub:`2`
-
- - u\ :sub:`1`
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- - u\ :sub:`0`
-
- - .. row 71
-
- -
- -
- -
- -
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- -
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- -
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- -
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- -
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- -
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- -
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`10`
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- - y\ :sub:`9`
-
- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YUYV12-2X12:
-
- - MEDIA_BUS_FMT_YUYV12_2X12
-
- - 0x201e
-
- -
- -
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- -
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- -
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- -
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`10`
-
- - y\ :sub:`9`
-
- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 73
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- -
- -
- -
- -
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- -
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- -
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- -
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- -
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- - u\ :sub:`11`
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- - u\ :sub:`10`
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- - u\ :sub:`9`
-
- - u\ :sub:`8`
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
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- - u\ :sub:`1`
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- - u\ :sub:`0`
-
- - .. row 74
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`8`
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- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 75
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- -
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- - v\ :sub:`11`
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- - v\ :sub:`10`
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- - v\ :sub:`9`
-
- - v\ :sub:`8`
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YVYU12-2X12:
-
- - MEDIA_BUS_FMT_YVYU12_2X12
-
- - 0x201f
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- -
- -
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- - y\ :sub:`11`
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- - y\ :sub:`10`
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- - y\ :sub:`9`
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- - y\ :sub:`8`
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- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 77
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- -
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- -
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- - v\ :sub:`11`
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- - v\ :sub:`10`
-
- - v\ :sub:`9`
-
- - v\ :sub:`8`
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. row 78
-
- -
- -
- -
- -
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- -
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- -
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- - y\ :sub:`11`
-
- - y\ :sub:`10`
-
- - y\ :sub:`9`
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- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 79
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- -
- -
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- - u\ :sub:`11`
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- - u\ :sub:`10`
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- - u\ :sub:`9`
-
- - u\ :sub:`8`
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY8-1X16:
-
- - MEDIA_BUS_FMT_UYVY8_1X16
-
- - 0x200f
-
- -
- -
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- - u\ :sub:`7`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 81
-
- -
- -
- -
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- -
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- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY8-1X16:
-
- - MEDIA_BUS_FMT_VYUY8_1X16
-
- - 0x2010
-
- -
- -
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- -
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- - v\ :sub:`7`
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- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
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- - y\ :sub:`0`
-
- - .. row 83
-
- -
- -
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- - u\ :sub:`7`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YUYV8-1X16:
-
- - MEDIA_BUS_FMT_YUYV8_1X16
-
- - 0x2011
-
- -
- -
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- -
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- -
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- - y\ :sub:`7`
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- - y\ :sub:`6`
-
- - y\ :sub:`5`
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- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
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- - u\ :sub:`0`
-
- - .. row 85
-
- -
- -
- -
- -
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- -
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- -
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- - y\ :sub:`7`
-
- - y\ :sub:`6`
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- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YVYU8-1X16:
-
- - MEDIA_BUS_FMT_YVYU8_1X16
-
- - 0x2012
-
- -
- -
-
- -
-
- -
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- -
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- -
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- -
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- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - v\ :sub:`7`
-
- - v\ :sub:`6`
-
- - v\ :sub:`5`
-
- - v\ :sub:`4`
-
- - v\ :sub:`3`
-
- - v\ :sub:`2`
-
- - v\ :sub:`1`
-
- - v\ :sub:`0`
-
- - .. row 87
-
- -
- -
- -
- -
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- -
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- -
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- -
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- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - u\ :sub:`7`
-
- - u\ :sub:`6`
-
- - u\ :sub:`5`
-
- - u\ :sub:`4`
-
- - u\ :sub:`3`
-
- - u\ :sub:`2`
-
- - u\ :sub:`1`
-
- - u\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YDYUYDYV8-1X16:
-
- - MEDIA_BUS_FMT_YDYUYDYV8_1X16
-
- - 0x2014
-
- -
- -
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- -
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- -
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- -
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- - y\ :sub:`7`
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- - y\ :sub:`6`
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- - y\ :sub:`5`
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- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
-
- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - d
-
- - d
-
- - d
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- - d
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- - d
-
- - d
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- - d
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- - d
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- - .. row 89
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- -
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- - y\ :sub:`7`
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`1`
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- - u\ :sub:`7`
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- - u\ :sub:`6`
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- - u\ :sub:`5`
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- - u\ :sub:`4`
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- - .. row 90
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- -
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- - d
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- - .. row 91
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- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-UYVY10-1X20:
-
- - MEDIA_BUS_FMT_UYVY10_1X20
-
- - 0x201a
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- - .. row 93
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- - y\ :sub:`9`
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- - y\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-VYUY10-1X20:
-
- - MEDIA_BUS_FMT_VYUY10_1X20
-
- - 0x201b
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- - .. row 95
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-
- - .. _MEDIA-BUS-FMT-YUYV10-1X20:
-
- - MEDIA_BUS_FMT_YUYV10_1X20
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- - 0x200d
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- - u\ :sub:`5`
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- - .. row 97
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- -
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- - v\ :sub:`9`
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-
- - .. _MEDIA-BUS-FMT-YVYU10-1X20:
-
- - MEDIA_BUS_FMT_YVYU10_1X20
-
- - 0x200e
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-
- - .. row 99
-
- -
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - y\ :sub:`0`
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- - u\ :sub:`9`
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- - .. _MEDIA-BUS-FMT-VUY8-1X24:
-
- - MEDIA_BUS_FMT_VUY8_1X24
-
- - 0x201a
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- -
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- - .. _MEDIA-BUS-FMT-YUV8-1X24:
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- - MEDIA_BUS_FMT_YUV8_1X24
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- - 0x2025
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-
- - .. _MEDIA-BUS-FMT-UYVY12-1X24:
-
- - MEDIA_BUS_FMT_UYVY12_1X24
-
- - 0x2020
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- -
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-
- - .. row 103
-
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-
- - .. _MEDIA-BUS-FMT-VYUY12-1X24:
-
- - MEDIA_BUS_FMT_VYUY12_1X24
-
- - 0x2021
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- -
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-
- - .. row 105
-
- -
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- -
- -
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- - u\ :sub:`11`
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-
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-
- - .. _MEDIA-BUS-FMT-YUYV12-1X24:
-
- - MEDIA_BUS_FMT_YUYV12_1X24
-
- - 0x2022
-
- -
- -
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- -
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- - y\ :sub:`2`
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-
- - .. row 107
-
- -
- -
- -
- -
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- -
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- -
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- -
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- - y\ :sub:`11`
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- - y\ :sub:`8`
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-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
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- - y\ :sub:`1`
-
- - y\ :sub:`0`
-
- - v\ :sub:`11`
-
- - v\ :sub:`10`
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- - v\ :sub:`9`
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- - v\ :sub:`5`
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- - v\ :sub:`0`
-
- - .. _MEDIA-BUS-FMT-YVYU12-1X24:
-
- - MEDIA_BUS_FMT_YVYU12_1X24
-
- - 0x2023
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- -
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- - y\ :sub:`3`
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- - y\ :sub:`2`
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- - v\ :sub:`0`
-
- - .. row 109
-
- -
- -
- -
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- -
-
- - y\ :sub:`11`
-
- - y\ :sub:`10`
-
- - y\ :sub:`9`
-
- - y\ :sub:`8`
-
- - y\ :sub:`7`
-
- - y\ :sub:`6`
-
- - y\ :sub:`5`
-
- - y\ :sub:`4`
-
- - y\ :sub:`3`
-
- - y\ :sub:`2`
+.. _v4l2-mbus-pixelcode:
- - y\ :sub:`1`
+Media Bus Pixel Codes
+---------------------
- - y\ :sub:`0`
+The media bus pixel codes describe image formats as flowing over
+physical busses (both between separate physical components and inside
+SoC devices). This should not be confused with the V4L2 pixel formats
+that describe, using four character codes, image formats as stored in
+memory.
- - u\ :sub:`11`
+While there is a relationship between image formats on busses and image
+formats in memory (a raw Bayer image won't be magically converted to
+JPEG just by storing it to memory), there is no one-to-one
+correspondance between them.
- - u\ :sub:`10`
- - u\ :sub:`9`
+Packed RGB Formats
+^^^^^^^^^^^^^^^^^^
- - u\ :sub:`8`
+Those formats transfer pixel data as red, green and blue components. The
+format code is made of the following information.
- - u\ :sub:`7`
+- The red, green and blue components order code, as encoded in a pixel
+ sample. Possible values are RGB and BGR.
- - u\ :sub:`6`
+- The number of bits per component, for each component. The values can
+ be different for all components. Common values are 555 and 565.
- - u\ :sub:`5`
+- The number of bus samples per pixel. Pixels that are wider than the
+ bus width must be transferred in multiple samples. Common values are
+ 1 and 2.
- - u\ :sub:`4`
+- The bus width.
- - u\ :sub:`3`
+- For formats where the total number of bits per pixel is smaller than
+ the number of bus samples per pixel times the bus width, a padding
+ value stating if the bytes are padded in their most high order bits
+ (PADHI) or low order bits (PADLO). A "C" prefix is used for
+ component-wise padding in the most high order bits (CPADHI) or low
+ order bits (CPADLO) of each separate component.
- - u\ :sub:`2`
+- For formats where the number of bus samples per pixel is larger than
+ 1, an endianness value stating if the pixel is transferred MSB first
+ (BE) or LSB first (LE).
- - u\ :sub:`1`
+For instance, a format where pixels are encoded as 5-bits red, 5-bits
+green and 5-bit blue values padded on the high bit, transferred as 2
+8-bit samples per pixel with the most significant bits (padding, red and
+half of the green value) transferred first will be named
+``MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE``.
- - u\ :sub:`0`
+The following tables list existing packed RGB formats.
- - .. _MEDIA-BUS-FMT-YUV10-1X30:
+.. HACK: ideally, we would be using adjustbox here. However, Sphinx
+.. is a very bad behaviored guy: if the table has more than 30 cols,
+.. it switches to long table, and there's no way to override it.
- - MEDIA_BUS_FMT_YUV10_1X30
- - 0x2016
+.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
- -
- -
+.. _v4l2-mbus-pixelcode-rgb:
- -
+.. raw:: latex
- - y\ :sub:`9`
+ \begingroup
+ \tiny
+ \setlength{\tabcolsep}{2pt}
- - y\ :sub:`8`
+.. flat-table:: RGB formats
+ :header-rows: 2
+ :stub-columns: 0
+ :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
- - y\ :sub:`7`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`31` Data organization
+ * -
+ -
+ - Bit
+ - 31
+ - 30
+ - 29
+ - 28
+ - 27
+ - 26
+ - 25
+ - 24
+ - 23
+ - 22
+ - 21
+ - 20
+ - 19
+ - 18
+ - 17
+ - 16
+ - 15
+ - 14
+ - 13
+ - 12
+ - 11
+ - 10
+ - 9
+ - 8
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _MEDIA-BUS-FMT-RGB444-1X12:
+
+ - MEDIA_BUS_FMT_RGB444_1X12
+ - 0x1016
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB444-2X8-PADHI-BE:
+
+ - MEDIA_BUS_FMT_RGB444_2X8_PADHI_BE
+ - 0x1001
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - 0
+ - 0
+ - 0
+ - 0
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB444-2X8-PADHI-LE:
+
+ - MEDIA_BUS_FMT_RGB444_2X8_PADHI_LE
+ - 0x1002
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - 0
+ - 0
+ - 0
+ - 0
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB555-2X8-PADHI-BE:
+
+ - MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE
+ - 0x1003
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - 0
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB555-2X8-PADHI-LE:
+
+ - MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE
+ - 0x1004
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - 0
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _MEDIA-BUS-FMT-RGB565-1X16:
+
+ - MEDIA_BUS_FMT_RGB565_1X16
+ - 0x1017
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-BGR565-2X8-BE:
+
+ - MEDIA_BUS_FMT_BGR565_2X8_BE
+ - 0x1005
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-BGR565-2X8-LE:
+
+ - MEDIA_BUS_FMT_BGR565_2X8_LE
+ - 0x1006
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _MEDIA-BUS-FMT-RGB565-2X8-BE:
+
+ - MEDIA_BUS_FMT_RGB565_2X8_BE
+ - 0x1007
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB565-2X8-LE:
+
+ - MEDIA_BUS_FMT_RGB565_2X8_LE
+ - 0x1008
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ * .. _MEDIA-BUS-FMT-RGB666-1X18:
+
+ - MEDIA_BUS_FMT_RGB666_1X18
+ - 0x1009
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RBG888-1X24:
+
+ - MEDIA_BUS_FMT_RBG888_1X24
+ - 0x100e
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB666-1X24_CPADHI:
+
+ - MEDIA_BUS_FMT_RGB666_1X24_CPADHI
+ - 0x1015
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - 0
+ - 0
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - 0
+ - 0
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - 0
+ - 0
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-BGR888-1X24:
+
+ - MEDIA_BUS_FMT_BGR888_1X24
+ - 0x1013
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-GBR888-1X24:
+
+ - MEDIA_BUS_FMT_GBR888_1X24
+ - 0x1014
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-1X24:
+
+ - MEDIA_BUS_FMT_RGB888_1X24
+ - 0x100a
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-2X12-BE:
+
+ - MEDIA_BUS_FMT_RGB888_2X12_BE
+ - 0x100b
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-2X12-LE:
+
+ - MEDIA_BUS_FMT_RGB888_2X12_LE
+ - 0x100c
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ * .. _MEDIA-BUS-FMT-ARGB888-1X32:
+
+ - MEDIA_BUS_FMT_ARGB888_1X32
+ - 0x100d
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-1X32-PADHI:
+
+ - MEDIA_BUS_FMT_RGB888_1X32_PADHI
+ - 0x100f
+ -
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
- - y\ :sub:`6`
+.. raw:: latex
- - y\ :sub:`5`
+ \endgroup
- - y\ :sub:`4`
+On LVDS buses, usually each sample is transferred serialized in seven
+time slots per pixel clock, on three (18-bit) or four (24-bit)
+differential data pairs at the same time. The remaining bits are used
+for control signals as defined by SPWG/PSWG/VESA or JEIDA standards. The
+24-bit RGB format serialized in seven time slots on four lanes using
+JEIDA defined bit mapping will be named
+``MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA``, for example.
- - y\ :sub:`3`
+.. raw:: latex
- - y\ :sub:`2`
+ \begin{adjustbox}{width=\columnwidth}
- - y\ :sub:`1`
+.. _v4l2-mbus-pixelcode-rgb-lvds:
- - y\ :sub:`0`
+.. flat-table:: LVDS RGB formats
+ :header-rows: 2
+ :stub-columns: 0
- - u\ :sub:`9`
+ * - Identifier
+ - Code
+ -
+ -
+ - :cspan:`3` Data organization
+ * -
+ -
+ - Timeslot
+ - Lane
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _MEDIA-BUS-FMT-RGB666-1X7X3-SPWG:
+
+ - MEDIA_BUS_FMT_RGB666_1X7X3_SPWG
+ - 0x1010
+ - 0
+ -
+ -
+ - d
+ - b\ :sub:`1`
+ - g\ :sub:`0`
+ * -
+ -
+ - 1
+ -
+ -
+ - d
+ - b\ :sub:`0`
+ - r\ :sub:`5`
+ * -
+ -
+ - 2
+ -
+ -
+ - d
+ - g\ :sub:`5`
+ - r\ :sub:`4`
+ * -
+ -
+ - 3
+ -
+ -
+ - b\ :sub:`5`
+ - g\ :sub:`4`
+ - r\ :sub:`3`
+ * -
+ -
+ - 4
+ -
+ -
+ - b\ :sub:`4`
+ - g\ :sub:`3`
+ - r\ :sub:`2`
+ * -
+ -
+ - 5
+ -
+ -
+ - b\ :sub:`3`
+ - g\ :sub:`2`
+ - r\ :sub:`1`
+ * -
+ -
+ - 6
+ -
+ -
+ - b\ :sub:`2`
+ - g\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-1X7X4-SPWG:
+
+ - MEDIA_BUS_FMT_RGB888_1X7X4_SPWG
+ - 0x1011
+ - 0
+ -
+ - d
+ - d
+ - b\ :sub:`1`
+ - g\ :sub:`0`
+ * -
+ -
+ - 1
+ -
+ - b\ :sub:`7`
+ - d
+ - b\ :sub:`0`
+ - r\ :sub:`5`
+ * -
+ -
+ - 2
+ -
+ - b\ :sub:`6`
+ - d
+ - g\ :sub:`5`
+ - r\ :sub:`4`
+ * -
+ -
+ - 3
+ -
+ - g\ :sub:`7`
+ - b\ :sub:`5`
+ - g\ :sub:`4`
+ - r\ :sub:`3`
+ * -
+ -
+ - 4
+ -
+ - g\ :sub:`6`
+ - b\ :sub:`4`
+ - g\ :sub:`3`
+ - r\ :sub:`2`
+ * -
+ -
+ - 5
+ -
+ - r\ :sub:`7`
+ - b\ :sub:`3`
+ - g\ :sub:`2`
+ - r\ :sub:`1`
+ * -
+ -
+ - 6
+ -
+ - r\ :sub:`6`
+ - b\ :sub:`2`
+ - g\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-RGB888-1X7X4-JEIDA:
+
+ - MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA
+ - 0x1012
+ - 0
+ -
+ - d
+ - d
+ - b\ :sub:`3`
+ - g\ :sub:`2`
+ * -
+ -
+ - 1
+ -
+ - b\ :sub:`1`
+ - d
+ - b\ :sub:`2`
+ - r\ :sub:`7`
+ * -
+ -
+ - 2
+ -
+ - b\ :sub:`0`
+ - d
+ - g\ :sub:`7`
+ - r\ :sub:`6`
+ * -
+ -
+ - 3
+ -
+ - g\ :sub:`1`
+ - b\ :sub:`7`
+ - g\ :sub:`6`
+ - r\ :sub:`5`
+ * -
+ -
+ - 4
+ -
+ - g\ :sub:`0`
+ - b\ :sub:`6`
+ - g\ :sub:`5`
+ - r\ :sub:`4`
+ * -
+ -
+ - 5
+ -
+ - r\ :sub:`1`
+ - b\ :sub:`5`
+ - g\ :sub:`4`
+ - r\ :sub:`3`
+ * -
+ -
+ - 6
+ -
+ - r\ :sub:`0`
+ - b\ :sub:`4`
+ - g\ :sub:`3`
+ - r\ :sub:`2`
- - u\ :sub:`8`
+.. raw:: latex
- - u\ :sub:`7`
+ \end{adjustbox}\newline\newline
- - u\ :sub:`6`
- - u\ :sub:`5`
+Bayer Formats
+^^^^^^^^^^^^^
- - u\ :sub:`4`
+Those formats transfer pixel data as red, green and blue components. The
+format code is made of the following information.
- - u\ :sub:`3`
+- The red, green and blue components order code, as encoded in a pixel
+ sample. The possible values are shown in :ref:`bayer-patterns`.
- - u\ :sub:`2`
+- The number of bits per pixel component. All components are
+ transferred on the same number of bits. Common values are 8, 10 and
+ 12.
- - u\ :sub:`1`
+- The compression (optional). If the pixel components are ALAW- or
+ DPCM-compressed, a mention of the compression scheme and the number
+ of bits per compressed pixel component.
- - u\ :sub:`0`
+- The number of bus samples per pixel. Pixels that are wider than the
+ bus width must be transferred in multiple samples. Common values are
+ 1 and 2.
- - v\ :sub:`9`
+- The bus width.
- - v\ :sub:`8`
+- For formats where the total number of bits per pixel is smaller than
+ the number of bus samples per pixel times the bus width, a padding
+ value stating if the bytes are padded in their most high order bits
+ (PADHI) or low order bits (PADLO).
- - v\ :sub:`7`
+- For formats where the number of bus samples per pixel is larger than
+ 1, an endianness value stating if the pixel is transferred MSB first
+ (BE) or LSB first (LE).
- - v\ :sub:`6`
+For instance, a format with uncompressed 10-bit Bayer components
+arranged in a red, green, green, blue pattern transferred as 2 8-bit
+samples per pixel with the least significant bits transferred first will
+be named ``MEDIA_BUS_FMT_SRGGB10_2X8_PADHI_LE``.
- - v\ :sub:`5`
- - v\ :sub:`4`
+.. _bayer-patterns:
- - v\ :sub:`3`
+.. figure:: subdev-formats_files/bayer.*
+ :alt: bayer.png
+ :align: center
- - v\ :sub:`2`
+ **Figure 4.8 Bayer Patterns**
- - v\ :sub:`1`
- - v\ :sub:`0`
- - .. _MEDIA-BUS-FMT-AYUV8-1X32:
+The following table lists existing packed Bayer formats. The data
+organization is given as an example for the first pixel only.
- - MEDIA_BUS_FMT_AYUV8_1X32
- - 0x2017
+.. raw:: latex
- -
- - a\ :sub:`7`
+ \newline\newline\begin{adjustbox}{width=\columnwidth}
- - a\ :sub:`6`
+.. tabularcolumns:: |p{7.6cm}|p{1.6cm}|p{0.7cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|p{0.5cm}|
- - a\ :sub:`5`
+.. _v4l2-mbus-pixelcode-bayer:
- - a\ :sub:`4`
+.. cssclass: longtable
- - a\ :sub:`3`
+.. flat-table:: Bayer Formats
+ :header-rows: 2
+ :stub-columns: 0
- - a\ :sub:`2`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`15` Data organization
+ * -
+ -
+ - Bit
+ - 15
+ - 14
+ - 13
+ - 12
+ - 11
+ - 10
+ - 9
+ - 8
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _MEDIA-BUS-FMT-SBGGR8-1X8:
+
+ - MEDIA_BUS_FMT_SBGGR8_1X8
+ - 0x3001
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG8-1X8:
+
+ - MEDIA_BUS_FMT_SGBRG8_1X8
+ - 0x3013
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG8-1X8:
+
+ - MEDIA_BUS_FMT_SGRBG8_1X8
+ - 0x3002
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB8-1X8:
+
+ - MEDIA_BUS_FMT_SRGGB8_1X8
+ - 0x3014
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR10-ALAW8-1X8:
+
+ - MEDIA_BUS_FMT_SBGGR10_ALAW8_1X8
+ - 0x3015
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG10-ALAW8-1X8:
+
+ - MEDIA_BUS_FMT_SGBRG10_ALAW8_1X8
+ - 0x3016
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG10-ALAW8-1X8:
+
+ - MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8
+ - 0x3017
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB10-ALAW8-1X8:
+
+ - MEDIA_BUS_FMT_SRGGB10_ALAW8_1X8
+ - 0x3018
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR10-DPCM8-1X8:
+
+ - MEDIA_BUS_FMT_SBGGR10_DPCM8_1X8
+ - 0x300b
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG10-DPCM8-1X8:
+
+ - MEDIA_BUS_FMT_SGBRG10_DPCM8_1X8
+ - 0x300c
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG10-DPCM8-1X8:
+
+ - MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8
+ - 0x3009
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB10-DPCM8-1X8:
+
+ - MEDIA_BUS_FMT_SRGGB10_DPCM8_1X8
+ - 0x300d
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADHI-BE:
+
+ - MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE
+ - 0x3003
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADHI-LE:
+
+ - MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE
+ - 0x3004
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ * .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADLO-BE:
+
+ - MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE
+ - 0x3005
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ * .. _MEDIA-BUS-FMT-SBGGR10-2X8-PADLO-LE:
+
+ - MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE
+ - 0x3006
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ - 0
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ * .. _MEDIA-BUS-FMT-SBGGR10-1X10:
+
+ - MEDIA_BUS_FMT_SBGGR10_1X10
+ - 0x3007
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG10-1X10:
+
+ - MEDIA_BUS_FMT_SGBRG10_1X10
+ - 0x300e
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG10-1X10:
+
+ - MEDIA_BUS_FMT_SGRBG10_1X10
+ - 0x300a
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB10-1X10:
+
+ - MEDIA_BUS_FMT_SRGGB10_1X10
+ - 0x300f
+ -
+ -
+ -
+ - -
+ - -
+ - -
+ - -
+ - r\ :sub:`9`
+ - r\ :sub:`8`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR12-1X12:
+
+ - MEDIA_BUS_FMT_SBGGR12_1X12
+ - 0x3008
+ -
+ - -
+ - -
+ - -
+ - -
+ - b\ :sub:`11`
+ - b\ :sub:`10`
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG12-1X12:
+
+ - MEDIA_BUS_FMT_SGBRG12_1X12
+ - 0x3010
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG12-1X12:
+
+ - MEDIA_BUS_FMT_SGRBG12_1X12
+ - 0x3011
+ -
+ - -
+ - -
+ - -
+ - -
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB12-1X12:
+
+ - MEDIA_BUS_FMT_SRGGB12_1X12
+ - 0x3012
+ -
+ - -
+ - -
+ - -
+ - -
+ - r\ :sub:`11`
+ - r\ :sub:`10`
+ - r\ :sub:`9`
+ - r\ :sub:`8`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR14-1X14:
+
+ - MEDIA_BUS_FMT_SBGGR14_1X14
+ - 0x3019
+ -
+ - -
+ - -
+ - b\ :sub:`13`
+ - b\ :sub:`12`
+ - b\ :sub:`11`
+ - b\ :sub:`10`
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG14-1X14:
+
+ - MEDIA_BUS_FMT_SGBRG14_1X14
+ - 0x301a
+ -
+ - -
+ - -
+ - g\ :sub:`13`
+ - g\ :sub:`12`
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG14-1X14:
+
+ - MEDIA_BUS_FMT_SGRBG14_1X14
+ - 0x301b
+ -
+ - -
+ - -
+ - g\ :sub:`13`
+ - g\ :sub:`12`
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB14-1X14:
+
+ - MEDIA_BUS_FMT_SRGGB14_1X14
+ - 0x301c
+ -
+ - -
+ - -
+ - r\ :sub:`13`
+ - r\ :sub:`12`
+ - r\ :sub:`11`
+ - r\ :sub:`10`
+ - r\ :sub:`9`
+ - r\ :sub:`8`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SBGGR16-1X16:
+
+ - MEDIA_BUS_FMT_SBGGR16_1X16
+ - 0x301d
+ -
+ - b\ :sub:`15`
+ - b\ :sub:`14`
+ - b\ :sub:`13`
+ - b\ :sub:`12`
+ - b\ :sub:`11`
+ - b\ :sub:`10`
+ - b\ :sub:`9`
+ - b\ :sub:`8`
+ - b\ :sub:`7`
+ - b\ :sub:`6`
+ - b\ :sub:`5`
+ - b\ :sub:`4`
+ - b\ :sub:`3`
+ - b\ :sub:`2`
+ - b\ :sub:`1`
+ - b\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGBRG16-1X16:
+
+ - MEDIA_BUS_FMT_SGBRG16_1X16
+ - 0x301e
+ -
+ - g\ :sub:`15`
+ - g\ :sub:`14`
+ - g\ :sub:`13`
+ - g\ :sub:`12`
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SGRBG16-1X16:
+
+ - MEDIA_BUS_FMT_SGRBG16_1X16
+ - 0x301f
+ -
+ - g\ :sub:`15`
+ - g\ :sub:`14`
+ - g\ :sub:`13`
+ - g\ :sub:`12`
+ - g\ :sub:`11`
+ - g\ :sub:`10`
+ - g\ :sub:`9`
+ - g\ :sub:`8`
+ - g\ :sub:`7`
+ - g\ :sub:`6`
+ - g\ :sub:`5`
+ - g\ :sub:`4`
+ - g\ :sub:`3`
+ - g\ :sub:`2`
+ - g\ :sub:`1`
+ - g\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-SRGGB16-1X16:
+
+ - MEDIA_BUS_FMT_SRGGB16_1X16
+ - 0x3020
+ -
+ - r\ :sub:`15`
+ - r\ :sub:`14`
+ - r\ :sub:`13`
+ - r\ :sub:`12`
+ - r\ :sub:`11`
+ - r\ :sub:`10`
+ - r\ :sub:`9`
+ - r\ :sub:`8`
+ - r\ :sub:`7`
+ - r\ :sub:`6`
+ - r\ :sub:`5`
+ - r\ :sub:`4`
+ - r\ :sub:`3`
+ - r\ :sub:`2`
+ - r\ :sub:`1`
+ - r\ :sub:`0`
- - a\ :sub:`1`
+.. raw:: latex
- - a\ :sub:`0`
+ \end{adjustbox}\newline\newline
- - y\ :sub:`7`
- - y\ :sub:`6`
+Packed YUV Formats
+^^^^^^^^^^^^^^^^^^
- - y\ :sub:`5`
+Those data formats transfer pixel data as (possibly downsampled) Y, U
+and V components. Some formats include dummy bits in some of their
+samples and are collectively referred to as "YDYC" (Y-Dummy-Y-Chroma)
+formats. One cannot rely on the values of these dummy bits as those are
+undefined.
- - y\ :sub:`4`
+The format code is made of the following information.
- - y\ :sub:`3`
+- The Y, U and V components order code, as transferred on the bus.
+ Possible values are YUYV, UYVY, YVYU and VYUY for formats with no
+ dummy bit, and YDYUYDYV, YDYVYDYU, YUYDYVYD and YVYDYUYD for YDYC
+ formats.
- - y\ :sub:`2`
+- The number of bits per pixel component. All components are
+ transferred on the same number of bits. Common values are 8, 10 and
+ 12.
- - y\ :sub:`1`
+- The number of bus samples per pixel. Pixels that are wider than the
+ bus width must be transferred in multiple samples. Common values are
+ 1, 1.5 (encoded as 1_5) and 2.
- - y\ :sub:`0`
+- The bus width. When the bus width is larger than the number of bits
+ per pixel component, several components are packed in a single bus
+ sample. The components are ordered as specified by the order code,
+ with components on the left of the code transferred in the high order
+ bits. Common values are 8 and 16.
- - u\ :sub:`7`
+For instance, a format where pixels are encoded as 8-bit YUV values
+downsampled to 4:2:2 and transferred as 2 8-bit bus samples per pixel in
+the U, Y, V, Y order will be named ``MEDIA_BUS_FMT_UYVY8_2X8``.
- - u\ :sub:`6`
+:ref:`v4l2-mbus-pixelcode-yuv8` lists existing packed YUV formats and
+describes the organization of each pixel data in each sample. When a
+format pattern is split across multiple samples each of the samples in
+the pattern is described.
- - u\ :sub:`5`
+The role of each bit transferred over the bus is identified by one of
+the following codes.
- - u\ :sub:`4`
+- y\ :sub:`x` for luma component bit number x
- - u\ :sub:`3`
+- u\ :sub:`x` for blue chroma component bit number x
- - u\ :sub:`2`
+- v\ :sub:`x` for red chroma component bit number x
- - u\ :sub:`1`
+- a\ :sub:`x` for alpha component bit number x
- - u\ :sub:`0`
+- for non-available bits (for positions higher than the bus width)
- - v\ :sub:`7`
+- d for dummy bits
- - v\ :sub:`6`
+.. HACK: ideally, we would be using adjustbox here. However, this
+.. will never work for this table, as, even with tiny font, it is
+.. to big for a single page. So, we need to manually adjust the
+.. size.
- - v\ :sub:`5`
+.. raw:: latex
- - v\ :sub:`4`
+ \begingroup
+ \tiny
+ \setlength{\tabcolsep}{2pt}
- - v\ :sub:`3`
+.. tabularcolumns:: |p{4.0cm}|p{0.7cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|
- - v\ :sub:`2`
+.. _v4l2-mbus-pixelcode-yuv8:
- - v\ :sub:`1`
+.. flat-table:: YUV Formats
+ :header-rows: 2
+ :stub-columns: 0
+ :widths: 36 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
- - v\ :sub:`0`
+ * - Identifier
+ - Code
+ -
+ - :cspan:`31` Data organization
+ * -
+ -
+ - Bit
+ - 31
+ - 30
+ - 29
+ - 28
+ - 27
+ - 26
+ - 25
+ - 24
+ - 23
+ - 22
+ - 21
+ - 10
+ - 19
+ - 18
+ - 17
+ - 16
+ - 15
+ - 14
+ - 13
+ - 12
+ - 11
+ - 10
+ - 9
+ - 8
+ - 7
+ - 6
+ - 5
+ - 4
+ - 3
+ - 2
+ - 1
+ - 0
+ * .. _MEDIA-BUS-FMT-Y8-1X8:
+
+ - MEDIA_BUS_FMT_Y8_1X8
+ - 0x2001
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UV8-1X8:
+
+ - MEDIA_BUS_FMT_UV8_1X8
+ - 0x2015
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY8-1_5X8:
+
+ - MEDIA_BUS_FMT_UYVY8_1_5X8
+ - 0x2002
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY8-1_5X8:
+
+ - MEDIA_BUS_FMT_VYUY8_1_5X8
+ - 0x2003
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV8-1_5X8:
+
+ - MEDIA_BUS_FMT_YUYV8_1_5X8
+ - 0x2004
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
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+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
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+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU8-1_5X8:
+
+ - MEDIA_BUS_FMT_YVYU8_1_5X8
+ - 0x2005
+ -
+ -
+ -
+ -
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+ -
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+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
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+ -
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+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
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+ -
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+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ -
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+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY8-2X8:
+
+ - MEDIA_BUS_FMT_UYVY8_2X8
+ - 0x2006
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY8-2X8:
+
+ - MEDIA_BUS_FMT_VYUY8_2X8
+ - 0x2007
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
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+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV8-2X8:
+
+ - MEDIA_BUS_FMT_YUYV8_2X8
+ - 0x2008
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
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+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU8-2X8:
+
+ - MEDIA_BUS_FMT_YVYU8_2X8
+ - 0x2009
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
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+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-Y10-1X10:
+
+ - MEDIA_BUS_FMT_Y10_1X10
+ - 0x200a
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY10-2X10:
+
+ - MEDIA_BUS_FMT_UYVY10_2X10
+ - 0x2018
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
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+ -
+ -
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+ -
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+ -
+ -
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+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
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+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY10-2X10:
+
+ - MEDIA_BUS_FMT_VYUY10_2X10
+ - 0x2019
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV10-2X10:
+
+ - MEDIA_BUS_FMT_YUYV10_2X10
+ - 0x200b
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU10-2X10:
+
+ - MEDIA_BUS_FMT_YVYU10_2X10
+ - 0x200c
+ -
+ -
+ -
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+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-Y12-1X12:
+
+ - MEDIA_BUS_FMT_Y12_1X12
+ - 0x2013
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY12-2X12:
+
+ - MEDIA_BUS_FMT_UYVY12_2X12
+ - 0x201c
+ -
+ -
+ -
+ -
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+ - u\ :sub:`11`
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+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
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+ - y\ :sub:`2`
+ - y\ :sub:`1`
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+ - v\ :sub:`11`
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+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY12-2X12:
+
+ - MEDIA_BUS_FMT_VYUY12_2X12
+ - 0x201d
+ -
+ -
+ -
+ -
+ -
+ -
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+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ -
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+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV12-2X12:
+
+ - MEDIA_BUS_FMT_YUYV12_2X12
+ - 0x201e
+ -
+ -
+ -
+ -
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+ -
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+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
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+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
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+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
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+ -
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+ -
+ -
+ - v\ :sub:`11`
+ - v\ :sub:`10`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU12-2X12:
+
+ - MEDIA_BUS_FMT_YVYU12_2X12
+ - 0x201f
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
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+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ - v\ :sub:`11`
+ - v\ :sub:`10`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY8-1X16:
+
+ - MEDIA_BUS_FMT_UYVY8_1X16
+ - 0x200f
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY8-1X16:
+
+ - MEDIA_BUS_FMT_VYUY8_1X16
+ - 0x2010
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
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+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV8-1X16:
+
+ - MEDIA_BUS_FMT_YUYV8_1X16
+ - 0x2011
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
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+ -
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+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
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+ -
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+ -
+ -
+ -
+ -
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+ -
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+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU8-1X16:
+
+ - MEDIA_BUS_FMT_YVYU8_1X16
+ - 0x2012
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
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+ -
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+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
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+ -
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+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YDYUYDYV8-1X16:
+
+ - MEDIA_BUS_FMT_YDYUYDYV8_1X16
+ - 0x2014
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - d
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
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+ - u\ :sub:`1`
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+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
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+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY10-1X20:
+
+ - MEDIA_BUS_FMT_UYVY10_1X20
+ - 0x201a
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+ - u\ :sub:`2`
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+ - u\ :sub:`0`
+ - y\ :sub:`9`
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+ - y\ :sub:`7`
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+ - y\ :sub:`2`
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+ - y\ :sub:`9`
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+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY10-1X20:
+
+ - MEDIA_BUS_FMT_VYUY10_1X20
+ - 0x201b
+ -
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+ -
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+ - y\ :sub:`5`
+ - y\ :sub:`4`
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+ - y\ :sub:`2`
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+ - u\ :sub:`2`
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+ - y\ :sub:`9`
+ - y\ :sub:`8`
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+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV10-1X20:
+
+ - MEDIA_BUS_FMT_YUYV10_1X20
+ - 0x200d
+ -
+ -
+ -
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+ -
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+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU10-1X20:
+
+ - MEDIA_BUS_FMT_YVYU10_1X20
+ - 0x200e
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
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+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VUY8-1X24:
+
+ - MEDIA_BUS_FMT_VUY8_1X24
+ - 0x201a
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUV8-1X24:
+
+ - MEDIA_BUS_FMT_YUV8_1X24
+ - 0x2025
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-UYVY12-1X24:
+
+ - MEDIA_BUS_FMT_UYVY12_1X24
+ - 0x2020
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
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+ -
+ -
+ -
+ -
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+ - v\ :sub:`11`
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+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-VYUY12-1X24:
+
+ - MEDIA_BUS_FMT_VYUY12_1X24
+ - 0x2021
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - v\ :sub:`11`
+ - v\ :sub:`10`
+ - v\ :sub:`9`
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+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUYV12-1X24:
+
+ - MEDIA_BUS_FMT_YUYV12_1X24
+ - 0x2022
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`11`
+ - v\ :sub:`10`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YVYU12-1X24:
+
+ - MEDIA_BUS_FMT_YVYU12_1X24
+ - 0x2023
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - v\ :sub:`11`
+ - v\ :sub:`10`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ -
+ - y\ :sub:`11`
+ - y\ :sub:`10`
+ - y\ :sub:`9`
+ - y\ :sub:`8`
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+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`11`
+ - u\ :sub:`10`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-YUV10-1X30:
+
+ - MEDIA_BUS_FMT_YUV10_1X30
+ - 0x2016
+ -
+ -
+ -
+ - y\ :sub:`9`
+ - y\ :sub:`8`
+ - y\ :sub:`7`
+ - y\ :sub:`6`
+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`9`
+ - u\ :sub:`8`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - v\ :sub:`9`
+ - v\ :sub:`8`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
+ * .. _MEDIA-BUS-FMT-AYUV8-1X32:
+
+ - MEDIA_BUS_FMT_AYUV8_1X32
+ - 0x2017
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
+ - a\ :sub:`5`
+ - a\ :sub:`4`
+ - a\ :sub:`3`
+ - a\ :sub:`2`
+ - a\ :sub:`1`
+ - a\ :sub:`0`
+ - y\ :sub:`7`
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+ - y\ :sub:`5`
+ - y\ :sub:`4`
+ - y\ :sub:`3`
+ - y\ :sub:`2`
+ - y\ :sub:`1`
+ - y\ :sub:`0`
+ - u\ :sub:`7`
+ - u\ :sub:`6`
+ - u\ :sub:`5`
+ - u\ :sub:`4`
+ - u\ :sub:`3`
+ - u\ :sub:`2`
+ - u\ :sub:`1`
+ - u\ :sub:`0`
+ - v\ :sub:`7`
+ - v\ :sub:`6`
+ - v\ :sub:`5`
+ - v\ :sub:`4`
+ - v\ :sub:`3`
+ - v\ :sub:`2`
+ - v\ :sub:`1`
+ - v\ :sub:`0`
.. raw:: latex
:stub-columns: 0
:widths: 28 7 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
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-
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- - v\ :sub:`2`
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- - v\ :sub:`1`
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+ * - Identifier
+ - Code
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+ - :cspan:`31` Data organization
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+ * .. _MEDIA-BUS-FMT-AHSV8888-1X32:
+
+ - MEDIA_BUS_FMT_AHSV8888_1X32
+ - 0x6001
+ -
+ - a\ :sub:`7`
+ - a\ :sub:`6`
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+ - v\ :sub:`0`
.. raw:: latex
:header-rows: 1
:stub-columns: 0
+ * - Identifier
+ - Code
+ - Remarks
+ * .. _MEDIA-BUS-FMT-JPEG-1X8:
- - .. row 1
-
- - Identifier
-
- - Code
-
- - Remarks
-
- - .. _MEDIA-BUS-FMT-JPEG-1X8:
-
- - MEDIA_BUS_FMT_JPEG_1X8
-
- - 0x4001
-
- - Besides of its usage for the parallel bus this format is
- recommended for transmission of JPEG data over MIPI CSI bus using
- the User Defined 8-bit Data types.
+ - MEDIA_BUS_FMT_JPEG_1X8
+ - 0x4001
+ - Besides of its usage for the parallel bus this format is
+ recommended for transmission of JPEG data over MIPI CSI bus using
+ the User Defined 8-bit Data types.
:header-rows: 1
:stub-columns: 0
+ * - Identifier
+ - Code
+ - Comments
+ * .. _MEDIA-BUS-FMT-S5C-UYVY-JPEG-1X8:
- - .. row 1
-
- - Identifier
-
- - Code
-
- - Comments
-
- - .. _MEDIA-BUS-FMT-S5C-UYVY-JPEG-1X8:
-
- - MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8
-
- - 0x5001
-
- - Interleaved raw UYVY and JPEG image format with embedded meta-data
- used by Samsung S3C73MX camera sensors.
+ - MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8
+ - 0x5001
+ - Interleaved raw UYVY and JPEG image format with embedded meta-data
+ used by Samsung S3C73MX camera sensors.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Flag name
-
- - id
-
- - Definition
-
- - Valid for V4L2
-
- - Valid for V4L2 subdev
-
- - .. row 2
-
- - ``V4L2_SEL_FLAG_GE``
-
- - (1 << 0)
-
- - Suggest the driver it should choose greater or equal rectangle (in
- size) than was requested. Albeit the driver may choose a lesser
- size, it will only do so due to hardware limitations. Without this
- flag (and ``V4L2_SEL_FLAG_LE``) the behaviour is to choose the
- closest possible rectangle.
-
- - Yes
-
- - Yes
-
- - .. row 3
-
- - ``V4L2_SEL_FLAG_LE``
-
- - (1 << 1)
-
- - Suggest the driver it should choose lesser or equal rectangle (in
- size) than was requested. Albeit the driver may choose a greater
- size, it will only do so due to hardware limitations.
-
- - Yes
-
- - Yes
-
- - .. row 4
-
- - ``V4L2_SEL_FLAG_KEEP_CONFIG``
-
- - (1 << 2)
-
- - The configuration must not be propagated to any further processing
- steps. If this flag is not given, the configuration is propagated
- inside the subdevice to all further processing steps.
-
- - No
-
- - Yes
+ * - Flag name
+ - id
+ - Definition
+ - Valid for V4L2
+ - Valid for V4L2 subdev
+ * - ``V4L2_SEL_FLAG_GE``
+ - (1 << 0)
+ - Suggest the driver it should choose greater or equal rectangle (in
+ size) than was requested. Albeit the driver may choose a lesser
+ size, it will only do so due to hardware limitations. Without this
+ flag (and ``V4L2_SEL_FLAG_LE``) the behaviour is to choose the
+ closest possible rectangle.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_FLAG_LE``
+ - (1 << 1)
+ - Suggest the driver it should choose lesser or equal rectangle (in
+ size) than was requested. Albeit the driver may choose a greater
+ size, it will only do so due to hardware limitations.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_FLAG_KEEP_CONFIG``
+ - (1 << 2)
+ - The configuration must not be propagated to any further processing
+ steps. If this flag is not given, the configuration is propagated
+ inside the subdevice to all further processing steps.
+ - No
+ - Yes
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Target name
-
- - id
-
- - Definition
-
- - Valid for V4L2
-
- - Valid for V4L2 subdev
-
- - .. row 2
-
- - ``V4L2_SEL_TGT_CROP``
-
- - 0x0000
-
- - Crop rectangle. Defines the cropped area.
-
- - Yes
-
- - Yes
-
- - .. row 3
-
- - ``V4L2_SEL_TGT_CROP_DEFAULT``
-
- - 0x0001
-
- - Suggested cropping rectangle that covers the "whole picture".
-
- - Yes
-
- - No
-
- - .. row 4
-
- - ``V4L2_SEL_TGT_CROP_BOUNDS``
-
- - 0x0002
-
- - Bounds of the crop rectangle. All valid crop rectangles fit inside
- the crop bounds rectangle.
-
- - Yes
-
- - Yes
-
- - .. row 5
-
- - ``V4L2_SEL_TGT_NATIVE_SIZE``
-
- - 0x0003
-
- - The native size of the device, e.g. a sensor's pixel array.
- ``left`` and ``top`` fields are zero for this target. Setting the
- native size will generally only make sense for memory to memory
- devices where the software can create a canvas of a given size in
- which for example a video frame can be composed. In that case
- V4L2_SEL_TGT_NATIVE_SIZE can be used to configure the size of
- that canvas.
-
- - Yes
-
- - Yes
-
- - .. row 6
-
- - ``V4L2_SEL_TGT_COMPOSE``
-
- - 0x0100
-
- - Compose rectangle. Used to configure scaling and composition.
-
- - Yes
-
- - Yes
-
- - .. row 7
-
- - ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
-
- - 0x0101
-
- - Suggested composition rectangle that covers the "whole picture".
-
- - Yes
-
- - No
-
- - .. row 8
-
- - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
-
- - 0x0102
-
- - Bounds of the compose rectangle. All valid compose rectangles fit
- inside the compose bounds rectangle.
-
- - Yes
-
- - Yes
-
- - .. row 9
-
- - ``V4L2_SEL_TGT_COMPOSE_PADDED``
-
- - 0x0103
-
- - The active area and all padding pixels that are inserted or
- modified by hardware.
-
- - Yes
-
- - No
+ * - Target name
+ - id
+ - Definition
+ - Valid for V4L2
+ - Valid for V4L2 subdev
+ * - ``V4L2_SEL_TGT_CROP``
+ - 0x0000
+ - Crop rectangle. Defines the cropped area.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_TGT_CROP_DEFAULT``
+ - 0x0001
+ - Suggested cropping rectangle that covers the "whole picture".
+ - Yes
+ - No
+ * - ``V4L2_SEL_TGT_CROP_BOUNDS``
+ - 0x0002
+ - Bounds of the crop rectangle. All valid crop rectangles fit inside
+ the crop bounds rectangle.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_TGT_NATIVE_SIZE``
+ - 0x0003
+ - The native size of the device, e.g. a sensor's pixel array.
+ ``left`` and ``top`` fields are zero for this target. Setting the
+ native size will generally only make sense for memory to memory
+ devices where the software can create a canvas of a given size in
+ which for example a video frame can be composed. In that case
+ V4L2_SEL_TGT_NATIVE_SIZE can be used to configure the size of
+ that canvas.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_TGT_COMPOSE``
+ - 0x0100
+ - Compose rectangle. Used to configure scaling and composition.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_TGT_COMPOSE_DEFAULT``
+ - 0x0101
+ - Suggested composition rectangle that covers the "whole picture".
+ - Yes
+ - No
+ * - ``V4L2_SEL_TGT_COMPOSE_BOUNDS``
+ - 0x0102
+ - Bounds of the compose rectangle. All valid compose rectangles fit
+ inside the compose bounds rectangle.
+ - Yes
+ - Yes
+ * - ``V4L2_SEL_TGT_COMPOSE_PADDED``
+ - 0x0103
+ - The active area and all padding pixels that are inserted or
+ modified by hardware.
+ - Yes
+ - No
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - The starting buffer index, returned by the driver.
-
- - .. row 2
-
- - __u32
-
- - ``count``
-
- - The number of buffers requested or granted. If count == 0, then
- :ref:`VIDIOC_CREATE_BUFS` will set ``index`` to the current number of
- created buffers, and it will check the validity of ``memory`` and
- ``format.type``. If those are invalid -1 is returned and errno is
- set to ``EINVAL`` error code, otherwise :ref:`VIDIOC_CREATE_BUFS` returns
- 0. It will never set errno to ``EBUSY`` error code in this particular
- case.
-
- - .. row 3
-
- - __u32
-
- - ``memory``
-
- - Applications set this field to ``V4L2_MEMORY_MMAP``,
- ``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
- :c:type:`v4l2_memory`
-
- - .. row 4
-
- - struct :c:type:`v4l2_format`
-
- - ``format``
-
- - Filled in by the application, preserved by the driver.
-
- - .. row 5
-
- - __u32
-
- - ``reserved``\ [8]
-
- - A place holder for future extensions. Drivers and applications
- must set the array to zero.
+ * - __u32
+ - ``index``
+ - The starting buffer index, returned by the driver.
+ * - __u32
+ - ``count``
+ - The number of buffers requested or granted. If count == 0, then
+ :ref:`VIDIOC_CREATE_BUFS` will set ``index`` to the current number of
+ created buffers, and it will check the validity of ``memory`` and
+ ``format.type``. If those are invalid -1 is returned and errno is
+ set to ``EINVAL`` error code, otherwise :ref:`VIDIOC_CREATE_BUFS` returns
+ 0. It will never set errno to ``EBUSY`` error code in this particular
+ case.
+ * - __u32
+ - ``memory``
+ - Applications set this field to ``V4L2_MEMORY_MMAP``,
+ ``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
+ :c:type:`v4l2_memory`
+ * - struct :c:type:`v4l2_format`
+ - ``format``
+ - Filled in by the application, preserved by the driver.
+ * - __u32
+ - ``reserved``\ [8]
+ - A place holder for future extensions. Drivers and applications
+ must set the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of the data stream, set by the application. Only these types
- are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
- ``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
-
- - .. row 2
-
- - struct :ref:`v4l2_rect <v4l2-rect-crop>`
-
- - ``bounds``
-
- - Defines the window within capturing or output is possible, this
- may exclude for example the horizontal and vertical blanking
- areas. The cropping rectangle cannot exceed these limits. Width
- and height are defined in pixels, the driver writer is free to
- choose origin and units of the coordinate system in the analog
- domain.
-
- - .. row 3
-
- - struct :ref:`v4l2_rect <v4l2-rect-crop>`
-
- - ``defrect``
-
- - Default cropping rectangle, it shall cover the "whole picture".
- Assuming pixel aspect 1/1 this could be for example a 640 × 480
- rectangle for NTSC, a 768 × 576 rectangle for PAL and SECAM
- centered over the active picture area. The same co-ordinate system
- as for ``bounds`` is used.
-
- - .. row 4
-
- - struct :c:type:`v4l2_fract`
-
- - ``pixelaspect``
-
- - This is the pixel aspect (y / x) when no scaling is applied, the
- ratio of the actual sampling frequency and the frequency required
- to get square pixels.
-
- When cropping coordinates refer to square pixels, the driver sets
- ``pixelaspect`` to 1/1. Other common values are 54/59 for PAL and
- SECAM, 11/10 for NTSC sampled according to [:ref:`itu601`].
+ * - __u32
+ - ``type``
+ - Type of the data stream, set by the application. Only these types
+ are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
+ ``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
+ * - struct :ref:`v4l2_rect <v4l2-rect-crop>`
+ - ``bounds``
+ - Defines the window within capturing or output is possible, this
+ may exclude for example the horizontal and vertical blanking
+ areas. The cropping rectangle cannot exceed these limits. Width
+ and height are defined in pixels, the driver writer is free to
+ choose origin and units of the coordinate system in the analog
+ domain.
+ * - struct :ref:`v4l2_rect <v4l2-rect-crop>`
+ - ``defrect``
+ - Default cropping rectangle, it shall cover the "whole picture".
+ Assuming pixel aspect 1/1 this could be for example a 640 × 480
+ rectangle for NTSC, a 768 × 576 rectangle for PAL and SECAM
+ centered over the active picture area. The same co-ordinate system
+ as for ``bounds`` is used.
+ * - struct :c:type:`v4l2_fract`
+ - ``pixelaspect``
+ - This is the pixel aspect (y / x) when no scaling is applied, the
+ ratio of the actual sampling frequency and the frequency required
+ to get square pixels.
+
+ When cropping coordinates refer to square pixels, the driver sets
+ ``pixelaspect`` to 1/1. Other common values are 54/59 for PAL and
+ SECAM, 11/10 for NTSC sampled according to [:ref:`itu601`].
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __s32
-
- - ``left``
-
- - Horizontal offset of the top, left corner of the rectangle, in
- pixels.
-
- - .. row 2
-
- - __s32
-
- - ``top``
-
- - Vertical offset of the top, left corner of the rectangle, in
- pixels.
-
- - .. row 3
-
- - __u32
-
- - ``width``
-
- - Width of the rectangle, in pixels.
-
- - .. row 4
-
- - __u32
-
- - ``height``
-
- - Height of the rectangle, in pixels.
+ * - __s32
+ - ``left``
+ - Horizontal offset of the top, left corner of the rectangle, in
+ pixels.
+ * - __s32
+ - ``top``
+ - Vertical offset of the top, left corner of the rectangle, in
+ pixels.
+ * - __u32
+ - ``width``
+ - Width of the rectangle, in pixels.
+ * - __u32
+ - ``height``
+ - Height of the rectangle, in pixels.
Return Value
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - See :ref:`name-chip-match-types` for a list of possible types.
-
- - .. row 2
-
- - union
-
- - (anonymous)
-
- - .. row 3
-
- -
- - __u32
-
- - ``addr``
-
- - Match a chip by this number, interpreted according to the ``type``
- field.
-
- - .. row 4
-
- -
- - char
-
- - ``name[32]``
-
- - Match a chip by this name, interpreted according to the ``type``
- field. Currently unused.
+ * - __u32
+ - ``type``
+ - See :ref:`name-chip-match-types` for a list of possible types.
+ * - union
+ - (anonymous)
+ * -
+ - __u32
+ - ``addr``
+ - Match a chip by this number, interpreted according to the ``type``
+ field.
+ * -
+ - char
+ - ``name[32]``
+ - Match a chip by this name, interpreted according to the ``type``
+ field. Currently unused.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - struct v4l2_dbg_match
-
- - ``match``
-
- - How to match the chip, see :ref:`name-v4l2-dbg-match`.
-
- - .. row 2
-
- - char
-
- - ``name[32]``
-
- - The name of the chip.
-
- - .. row 3
-
- - __u32
-
- - ``flags``
-
- - Set by the driver. If ``V4L2_CHIP_FL_READABLE`` is set, then the
- driver supports reading registers from the device. If
- ``V4L2_CHIP_FL_WRITABLE`` is set, then it supports writing
- registers.
-
- - .. row 4
-
- - __u32
-
- - ``reserved[8]``
-
- - Reserved fields, both application and driver must set these to 0.
+ * - struct v4l2_dbg_match
+ - ``match``
+ - How to match the chip, see :ref:`name-v4l2-dbg-match`.
+ * - char
+ - ``name[32]``
+ - The name of the chip.
+ * - __u32
+ - ``flags``
+ - Set by the driver. If ``V4L2_CHIP_FL_READABLE`` is set, then the
+ driver supports reading registers from the device. If
+ ``V4L2_CHIP_FL_WRITABLE`` is set, then it supports writing
+ registers.
+ * - __u32
+ - ``reserved[8]``
+ - Reserved fields, both application and driver must set these to 0.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_CHIP_MATCH_BRIDGE``
-
- - 0
-
- - Match the nth chip on the card, zero for the bridge chip. Does not
- match sub-devices.
-
- - .. row 2
-
- - ``V4L2_CHIP_MATCH_SUBDEV``
-
- - 4
-
- - Match the nth sub-device.
+ * - ``V4L2_CHIP_MATCH_BRIDGE``
+ - 0
+ - Match the nth chip on the card, zero for the bridge chip. Does not
+ match sub-devices.
+ * - ``V4L2_CHIP_MATCH_SUBDEV``
+ - 4
+ - Match the nth sub-device.
Return Value
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - See :ref:`chip-match-types` for a list of possible types.
-
- - .. row 2
-
- - union
-
- - (anonymous)
-
- - .. row 3
-
- -
- - __u32
-
- - ``addr``
-
- - Match a chip by this number, interpreted according to the ``type``
- field.
-
- - .. row 4
-
- -
- - char
-
- - ``name[32]``
-
- - Match a chip by this name, interpreted according to the ``type``
- field. Currently unused.
+ * - __u32
+ - ``type``
+ - See :ref:`chip-match-types` for a list of possible types.
+ * - union
+ - (anonymous)
+ * -
+ - __u32
+ - ``addr``
+ - Match a chip by this number, interpreted according to the ``type``
+ field.
+ * -
+ - char
+ - ``name[32]``
+ - Match a chip by this name, interpreted according to the ``type``
+ field. Currently unused.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - struct v4l2_dbg_match
-
- - ``match``
-
- - How to match the chip, see :c:type:`v4l2_dbg_match`.
-
- - .. row 2
-
- - __u32
-
- - ``size``
-
- - The register size in bytes.
-
- - .. row 3
-
- - __u64
-
- - ``reg``
-
- - A register number.
-
- - .. row 4
-
- - __u64
-
- - ``val``
-
- - The value read from, or to be written into the register.
+ * - struct v4l2_dbg_match
+ - ``match``
+ - How to match the chip, see :c:type:`v4l2_dbg_match`.
+ * - __u32
+ - ``size``
+ - The register size in bytes.
+ * - __u64
+ - ``reg``
+ - A register number.
+ * - __u64
+ - ``val``
+ - The value read from, or to be written into the register.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_CHIP_MATCH_BRIDGE``
-
- - 0
-
- - Match the nth chip on the card, zero for the bridge chip. Does not
- match sub-devices.
-
- - .. row 2
-
- - ``V4L2_CHIP_MATCH_SUBDEV``
-
- - 4
-
- - Match the nth sub-device.
+ * - ``V4L2_CHIP_MATCH_BRIDGE``
+ - 0
+ - Match the nth chip on the card, zero for the bridge chip. Does not
+ match sub-devices.
+ * - ``V4L2_CHIP_MATCH_SUBDEV``
+ - 4
+ - Match the nth sub-device.
Return Value
:stub-columns: 0
:widths: 11 24 12 16 106
-
- - .. row 1
-
- - __u32
-
- - ``cmd``
-
- -
- -
- - The decoder command, see :ref:`decoder-cmds`.
-
- - .. row 2
-
- - __u32
-
- - ``flags``
-
- -
- -
- - Flags to go with the command. If no flags are defined for this
- command, drivers and applications must set this field to zero.
-
- - .. row 3
-
- - union
-
- - (anonymous)
-
- -
- -
- -
-
- - .. row 4
-
- -
- - struct
-
- - ``start``
-
- -
- - Structure containing additional data for the
- ``V4L2_DEC_CMD_START`` command.
-
- - .. row 5
-
- -
- -
- - __s32
-
- - ``speed``
-
- - Playback speed and direction. The playback speed is defined as
- ``speed``/1000 of the normal speed. So 1000 is normal playback.
- Negative numbers denote reverse playback, so -1000 does reverse
- playback at normal speed. Speeds -1, 0 and 1 have special
- meanings: speed 0 is shorthand for 1000 (normal playback). A speed
- of 1 steps just one frame forward, a speed of -1 steps just one
- frame back.
-
- - .. row 6
-
- -
- -
- - __u32
-
- - ``format``
-
- - Format restrictions. This field is set by the driver, not the
- application. Possible values are ``V4L2_DEC_START_FMT_NONE`` if
- there are no format restrictions or ``V4L2_DEC_START_FMT_GOP`` if
- the decoder operates on full GOPs (*Group Of Pictures*). This is
- usually the case for reverse playback: the decoder needs full
- GOPs, which it can then play in reverse order. So to implement
- reverse playback the application must feed the decoder the last
- GOP in the video file, then the GOP before that, etc. etc.
-
- - .. row 7
-
- -
- - struct
-
- - ``stop``
-
- -
- - Structure containing additional data for the ``V4L2_DEC_CMD_STOP``
- command.
-
- - .. row 8
-
- -
- -
- - __u64
-
- - ``pts``
-
- - Stop playback at this ``pts`` or immediately if the playback is
- already past that timestamp. Leave to 0 if you want to stop after
- the last frame was decoded.
-
- - .. row 9
-
- -
- - struct
-
- - ``raw``
-
- -
- -
-
- - .. row 10
-
- -
- -
- - __u32
-
- - ``data``\ [16]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``cmd``
+ -
+ -
+ - The decoder command, see :ref:`decoder-cmds`.
+ * - __u32
+ - ``flags``
+ -
+ -
+ - Flags to go with the command. If no flags are defined for this
+ command, drivers and applications must set this field to zero.
+ * - union
+ - (anonymous)
+ -
+ -
+ -
+ * -
+ - struct
+ - ``start``
+ -
+ - Structure containing additional data for the
+ ``V4L2_DEC_CMD_START`` command.
+ * -
+ -
+ - __s32
+ - ``speed``
+ - Playback speed and direction. The playback speed is defined as
+ ``speed``/1000 of the normal speed. So 1000 is normal playback.
+ Negative numbers denote reverse playback, so -1000 does reverse
+ playback at normal speed. Speeds -1, 0 and 1 have special
+ meanings: speed 0 is shorthand for 1000 (normal playback). A speed
+ of 1 steps just one frame forward, a speed of -1 steps just one
+ frame back.
+ * -
+ -
+ - __u32
+ - ``format``
+ - Format restrictions. This field is set by the driver, not the
+ application. Possible values are ``V4L2_DEC_START_FMT_NONE`` if
+ there are no format restrictions or ``V4L2_DEC_START_FMT_GOP`` if
+ the decoder operates on full GOPs (*Group Of Pictures*). This is
+ usually the case for reverse playback: the decoder needs full
+ GOPs, which it can then play in reverse order. So to implement
+ reverse playback the application must feed the decoder the last
+ GOP in the video file, then the GOP before that, etc. etc.
+ * -
+ - struct
+ - ``stop``
+ -
+ - Structure containing additional data for the ``V4L2_DEC_CMD_STOP``
+ command.
+ * -
+ -
+ - __u64
+ - ``pts``
+ - Stop playback at this ``pts`` or immediately if the playback is
+ already past that timestamp. Leave to 0 if you want to stop after
+ the last frame was decoded.
+ * -
+ - struct
+ - ``raw``
+ -
+ -
+ * -
+ -
+ - __u32
+ - ``data``\ [16]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 56 6 113
-
- - .. row 1
-
- - ``V4L2_DEC_CMD_START``
-
- - 0
-
- - Start the decoder. When the decoder is already running or paused,
- this command will just change the playback speed. That means that
- calling ``V4L2_DEC_CMD_START`` when the decoder was paused will
- *not* resume the decoder. You have to explicitly call
- ``V4L2_DEC_CMD_RESUME`` for that. This command has one flag:
- ``V4L2_DEC_CMD_START_MUTE_AUDIO``. If set, then audio will be
- muted when playing back at a non-standard speed.
-
- - .. row 2
-
- - ``V4L2_DEC_CMD_STOP``
-
- - 1
-
- - Stop the decoder. When the decoder is already stopped, this
- command does nothing. This command has two flags: if
- ``V4L2_DEC_CMD_STOP_TO_BLACK`` is set, then the decoder will set
- the picture to black after it stopped decoding. Otherwise the last
- image will repeat. mem2mem decoders will stop producing new frames
- altogether. They will send a ``V4L2_EVENT_EOS`` event when the
- last frame has been decoded and all frames are ready to be
- dequeued and will set the ``V4L2_BUF_FLAG_LAST`` buffer flag on
- the last buffer of the capture queue to indicate there will be no
- new buffers produced to dequeue. This buffer may be empty,
- indicated by the driver setting the ``bytesused`` field to 0. Once
- the ``V4L2_BUF_FLAG_LAST`` flag was set, the
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
- but return an ``EPIPE`` error code. If
- ``V4L2_DEC_CMD_STOP_IMMEDIATELY`` is set, then the decoder stops
- immediately (ignoring the ``pts`` value), otherwise it will keep
- decoding until timestamp >= pts or until the last of the pending
- data from its internal buffers was decoded.
-
- - .. row 3
-
- - ``V4L2_DEC_CMD_PAUSE``
-
- - 2
-
- - Pause the decoder. When the decoder has not been started yet, the
- driver will return an ``EPERM`` error code. When the decoder is
- already paused, this command does nothing. This command has one
- flag: if ``V4L2_DEC_CMD_PAUSE_TO_BLACK`` is set, then set the
- decoder output to black when paused.
-
- - .. row 4
-
- - ``V4L2_DEC_CMD_RESUME``
-
- - 3
-
- - Resume decoding after a PAUSE command. When the decoder has not
- been started yet, the driver will return an ``EPERM`` error code. When
- the decoder is already running, this command does nothing. No
- flags are defined for this command.
+ * - ``V4L2_DEC_CMD_START``
+ - 0
+ - Start the decoder. When the decoder is already running or paused,
+ this command will just change the playback speed. That means that
+ calling ``V4L2_DEC_CMD_START`` when the decoder was paused will
+ *not* resume the decoder. You have to explicitly call
+ ``V4L2_DEC_CMD_RESUME`` for that. This command has one flag:
+ ``V4L2_DEC_CMD_START_MUTE_AUDIO``. If set, then audio will be
+ muted when playing back at a non-standard speed.
+ * - ``V4L2_DEC_CMD_STOP``
+ - 1
+ - Stop the decoder. When the decoder is already stopped, this
+ command does nothing. This command has two flags: if
+ ``V4L2_DEC_CMD_STOP_TO_BLACK`` is set, then the decoder will set
+ the picture to black after it stopped decoding. Otherwise the last
+ image will repeat. mem2mem decoders will stop producing new frames
+ altogether. They will send a ``V4L2_EVENT_EOS`` event when the
+ last frame has been decoded and all frames are ready to be
+ dequeued and will set the ``V4L2_BUF_FLAG_LAST`` buffer flag on
+ the last buffer of the capture queue to indicate there will be no
+ new buffers produced to dequeue. This buffer may be empty,
+ indicated by the driver setting the ``bytesused`` field to 0. Once
+ the ``V4L2_BUF_FLAG_LAST`` flag was set, the
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
+ but return an ``EPIPE`` error code. If
+ ``V4L2_DEC_CMD_STOP_IMMEDIATELY`` is set, then the decoder stops
+ immediately (ignoring the ``pts`` value), otherwise it will keep
+ decoding until timestamp >= pts or until the last of the pending
+ data from its internal buffers was decoded.
+ * - ``V4L2_DEC_CMD_PAUSE``
+ - 2
+ - Pause the decoder. When the decoder has not been started yet, the
+ driver will return an ``EPERM`` error code. When the decoder is
+ already paused, this command does nothing. This command has one
+ flag: if ``V4L2_DEC_CMD_PAUSE_TO_BLACK`` is set, then set the
+ decoder output to black when paused.
+ * - ``V4L2_DEC_CMD_RESUME``
+ - 3
+ - Resume decoding after a PAUSE command. When the decoder has not
+ been started yet, the driver will return an ``EPERM`` error code. When
+ the decoder is already running, this command does nothing. No
+ flags are defined for this command.
Return Value
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- -
- - Type of the event, see :ref:`event-type`.
-
- - .. row 2
-
- - union
-
- - ``u``
-
- -
- -
-
- - .. row 3
-
- -
- - struct :c:type:`v4l2_event_vsync`
-
- - ``vsync``
-
- - Event data for event ``V4L2_EVENT_VSYNC``.
-
- - .. row 4
-
- -
- - struct :c:type:`v4l2_event_ctrl`
-
- - ``ctrl``
-
- - Event data for event ``V4L2_EVENT_CTRL``.
-
- - .. row 5
-
- -
- - struct :c:type:`v4l2_event_frame_sync`
-
- - ``frame_sync``
-
- - Event data for event ``V4L2_EVENT_FRAME_SYNC``.
-
- - .. row 6
-
- -
- - struct :c:type:`v4l2_event_motion_det`
-
- - ``motion_det``
-
- - Event data for event V4L2_EVENT_MOTION_DET.
-
- - .. row 7
-
- -
- - struct :c:type:`v4l2_event_src_change`
-
- - ``src_change``
-
- - Event data for event V4L2_EVENT_SOURCE_CHANGE.
-
- - .. row 8
-
- -
- - __u8
-
- - ``data``\ [64]
-
- - Event data. Defined by the event type. The union should be used to
- define easily accessible type for events.
-
- - .. row 9
-
- - __u32
-
- - ``pending``
-
- -
- - Number of pending events excluding this one.
-
- - .. row 10
-
- - __u32
-
- - ``sequence``
-
- -
- - Event sequence number. The sequence number is incremented for
- every subscribed event that takes place. If sequence numbers are
- not contiguous it means that events have been lost.
-
- - .. row 11
-
- - struct timespec
-
- - ``timestamp``
-
- -
- - Event timestamp. The timestamp has been taken from the
- ``CLOCK_MONOTONIC`` clock. To access the same clock outside V4L2,
- use :c:func:`clock_gettime`.
-
- - .. row 12
-
- - u32
-
- - ``id``
-
- -
- - The ID associated with the event source. If the event does not
- have an associated ID (this depends on the event type), then this
- is 0.
-
- - .. row 13
-
- - __u32
-
- - ``reserved``\ [8]
-
- -
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``type``
+ -
+ - Type of the event, see :ref:`event-type`.
+ * - union
+ - ``u``
+ -
+ -
+ * -
+ - struct :c:type:`v4l2_event_vsync`
+ - ``vsync``
+ - Event data for event ``V4L2_EVENT_VSYNC``.
+ * -
+ - struct :c:type:`v4l2_event_ctrl`
+ - ``ctrl``
+ - Event data for event ``V4L2_EVENT_CTRL``.
+ * -
+ - struct :c:type:`v4l2_event_frame_sync`
+ - ``frame_sync``
+ - Event data for event ``V4L2_EVENT_FRAME_SYNC``.
+ * -
+ - struct :c:type:`v4l2_event_motion_det`
+ - ``motion_det``
+ - Event data for event V4L2_EVENT_MOTION_DET.
+ * -
+ - struct :c:type:`v4l2_event_src_change`
+ - ``src_change``
+ - Event data for event V4L2_EVENT_SOURCE_CHANGE.
+ * -
+ - __u8
+ - ``data``\ [64]
+ - Event data. Defined by the event type. The union should be used to
+ define easily accessible type for events.
+ * - __u32
+ - ``pending``
+ -
+ - Number of pending events excluding this one.
+ * - __u32
+ - ``sequence``
+ -
+ - Event sequence number. The sequence number is incremented for
+ every subscribed event that takes place. If sequence numbers are
+ not contiguous it means that events have been lost.
+ * - struct timespec
+ - ``timestamp``
+ -
+ - Event timestamp. The timestamp has been taken from the
+ ``CLOCK_MONOTONIC`` clock. To access the same clock outside V4L2,
+ use :c:func:`clock_gettime`.
+ * - u32
+ - ``id``
+ -
+ - The ID associated with the event source. If the event does not
+ have an associated ID (this depends on the event type), then this
+ is 0.
+ * - __u32
+ - ``reserved``\ [8]
+ -
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_EVENT_ALL``
-
- - 0
-
- - All events. V4L2_EVENT_ALL is valid only for
- VIDIOC_UNSUBSCRIBE_EVENT for unsubscribing all events at once.
-
- - .. row 2
-
- - ``V4L2_EVENT_VSYNC``
-
- - 1
-
- - This event is triggered on the vertical sync. This event has a
- struct :c:type:`v4l2_event_vsync` associated
- with it.
-
- - .. row 3
-
- - ``V4L2_EVENT_EOS``
-
- - 2
-
- - This event is triggered when the end of a stream is reached. This
- is typically used with MPEG decoders to report to the application
- when the last of the MPEG stream has been decoded.
-
- - .. row 4
-
- - ``V4L2_EVENT_CTRL``
-
- - 3
-
- - This event requires that the ``id`` matches the control ID from
- which you want to receive events. This event is triggered if the
- control's value changes, if a button control is pressed or if the
- control's flags change. This event has a struct
- :c:type:`v4l2_event_ctrl` associated with it.
- This struct contains much of the same information as struct
- :ref:`v4l2_queryctrl <v4l2-queryctrl>` and struct
- :c:type:`v4l2_control`.
-
- If the event is generated due to a call to
- :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` or
- :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>`, then the
- event will *not* be sent to the file handle that called the ioctl
- function. This prevents nasty feedback loops. If you *do* want to
- get the event, then set the ``V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK``
- flag.
-
- This event type will ensure that no information is lost when more
- events are raised than there is room internally. In that case the
- struct :c:type:`v4l2_event_ctrl` of the
- second-oldest event is kept, but the ``changes`` field of the
- second-oldest event is ORed with the ``changes`` field of the
- oldest event.
-
- - .. row 5
-
- - ``V4L2_EVENT_FRAME_SYNC``
-
- - 4
-
- - Triggered immediately when the reception of a frame has begun.
- This event has a struct
- :c:type:`v4l2_event_frame_sync`
- associated with it.
-
- If the hardware needs to be stopped in the case of a buffer
- underrun it might not be able to generate this event. In such
- cases the ``frame_sequence`` field in struct
- :c:type:`v4l2_event_frame_sync` will not
- be incremented. This causes two consecutive frame sequence numbers
- to have n times frame interval in between them.
-
- - .. row 6
-
- - ``V4L2_EVENT_SOURCE_CHANGE``
-
- - 5
-
- - This event is triggered when a source parameter change is detected
- during runtime by the video device. It can be a runtime resolution
- change triggered by a video decoder or the format change happening
- on an input connector. This event requires that the ``id`` matches
- the input index (when used with a video device node) or the pad
- index (when used with a subdevice node) from which you want to
- receive events.
-
- This event has a struct
- :c:type:`v4l2_event_src_change`
- associated with it. The ``changes`` bitfield denotes what has
- changed for the subscribed pad. If multiple events occurred before
- application could dequeue them, then the changes will have the
- ORed value of all the events generated.
-
- - .. row 7
-
- - ``V4L2_EVENT_MOTION_DET``
-
- - 6
-
- - Triggered whenever the motion detection state for one or more of
- the regions changes. This event has a struct
- :c:type:`v4l2_event_motion_det`
- associated with it.
-
- - .. row 8
-
- - ``V4L2_EVENT_PRIVATE_START``
-
- - 0x08000000
-
- - Base event number for driver-private events.
+ * - ``V4L2_EVENT_ALL``
+ - 0
+ - All events. V4L2_EVENT_ALL is valid only for
+ VIDIOC_UNSUBSCRIBE_EVENT for unsubscribing all events at once.
+ * - ``V4L2_EVENT_VSYNC``
+ - 1
+ - This event is triggered on the vertical sync. This event has a
+ struct :c:type:`v4l2_event_vsync` associated
+ with it.
+ * - ``V4L2_EVENT_EOS``
+ - 2
+ - This event is triggered when the end of a stream is reached. This
+ is typically used with MPEG decoders to report to the application
+ when the last of the MPEG stream has been decoded.
+ * - ``V4L2_EVENT_CTRL``
+ - 3
+ - This event requires that the ``id`` matches the control ID from
+ which you want to receive events. This event is triggered if the
+ control's value changes, if a button control is pressed or if the
+ control's flags change. This event has a struct
+ :c:type:`v4l2_event_ctrl` associated with it.
+ This struct contains much of the same information as struct
+ :ref:`v4l2_queryctrl <v4l2-queryctrl>` and struct
+ :c:type:`v4l2_control`.
+
+ If the event is generated due to a call to
+ :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` or
+ :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>`, then the
+ event will *not* be sent to the file handle that called the ioctl
+ function. This prevents nasty feedback loops. If you *do* want to
+ get the event, then set the ``V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK``
+ flag.
+
+ This event type will ensure that no information is lost when more
+ events are raised than there is room internally. In that case the
+ struct :c:type:`v4l2_event_ctrl` of the
+ second-oldest event is kept, but the ``changes`` field of the
+ second-oldest event is ORed with the ``changes`` field of the
+ oldest event.
+ * - ``V4L2_EVENT_FRAME_SYNC``
+ - 4
+ - Triggered immediately when the reception of a frame has begun.
+ This event has a struct
+ :c:type:`v4l2_event_frame_sync`
+ associated with it.
+
+ If the hardware needs to be stopped in the case of a buffer
+ underrun it might not be able to generate this event. In such
+ cases the ``frame_sequence`` field in struct
+ :c:type:`v4l2_event_frame_sync` will not
+ be incremented. This causes two consecutive frame sequence numbers
+ to have n times frame interval in between them.
+ * - ``V4L2_EVENT_SOURCE_CHANGE``
+ - 5
+ - This event is triggered when a source parameter change is detected
+ during runtime by the video device. It can be a runtime resolution
+ change triggered by a video decoder or the format change happening
+ on an input connector. This event requires that the ``id`` matches
+ the input index (when used with a video device node) or the pad
+ index (when used with a subdevice node) from which you want to
+ receive events.
+
+ This event has a struct
+ :c:type:`v4l2_event_src_change`
+ associated with it. The ``changes`` bitfield denotes what has
+ changed for the subscribed pad. If multiple events occurred before
+ application could dequeue them, then the changes will have the
+ ORed value of all the events generated.
+ * - ``V4L2_EVENT_MOTION_DET``
+ - 6
+ - Triggered whenever the motion detection state for one or more of
+ the regions changes. This event has a struct
+ :c:type:`v4l2_event_motion_det`
+ associated with it.
+ * - ``V4L2_EVENT_PRIVATE_START``
+ - 0x08000000
+ - Base event number for driver-private events.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u8
-
- - ``field``
-
- - The upcoming field. See enum :c:type:`v4l2_field`.
+ * - __u8
+ - ``field``
+ - The upcoming field. See enum :c:type:`v4l2_field`.
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - __u32
-
- - ``changes``
-
- -
- - A bitmask that tells what has changed. See
- :ref:`ctrl-changes-flags`.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- -
- - The type of the control. See enum
- :c:type:`v4l2_ctrl_type`.
-
- - .. row 3
-
- - union (anonymous)
-
- -
- -
- -
-
- - .. row 4
-
- -
- - __s32
-
- - ``value``
-
- - The 32-bit value of the control for 32-bit control types. This is
- 0 for string controls since the value of a string cannot be passed
- using :ref:`VIDIOC_DQEVENT`.
-
- - .. row 5
-
- -
- - __s64
-
- - ``value64``
-
- - The 64-bit value of the control for 64-bit control types.
-
- - .. row 6
-
- - __u32
-
- - ``flags``
-
- -
- - The control flags. See :ref:`control-flags`.
-
- - .. row 7
-
- - __s32
-
- - ``minimum``
-
- -
- - The minimum value of the control. See struct
- :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
-
- - .. row 8
-
- - __s32
-
- - ``maximum``
-
- -
- - The maximum value of the control. See struct
- :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
-
- - .. row 9
-
- - __s32
-
- - ``step``
-
- -
- - The step value of the control. See struct
- :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
-
- - .. row 10
-
- - __s32
-
- - ``default_value``
-
- -
- - The default value value of the control. See struct
- :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
+ * - __u32
+ - ``changes``
+ -
+ - A bitmask that tells what has changed. See
+ :ref:`ctrl-changes-flags`.
+ * - __u32
+ - ``type``
+ -
+ - The type of the control. See enum
+ :c:type:`v4l2_ctrl_type`.
+ * - union (anonymous)
+ -
+ -
+ -
+ * -
+ - __s32
+ - ``value``
+ - The 32-bit value of the control for 32-bit control types. This is
+ 0 for string controls since the value of a string cannot be passed
+ using :ref:`VIDIOC_DQEVENT`.
+ * -
+ - __s64
+ - ``value64``
+ - The 64-bit value of the control for 64-bit control types.
+ * - __u32
+ - ``flags``
+ -
+ - The control flags. See :ref:`control-flags`.
+ * - __s32
+ - ``minimum``
+ -
+ - The minimum value of the control. See struct
+ :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
+ * - __s32
+ - ``maximum``
+ -
+ - The maximum value of the control. See struct
+ :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
+ * - __s32
+ - ``step``
+ -
+ - The step value of the control. See struct
+ :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
+ * - __s32
+ - ``default_value``
+ -
+ - The default value value of the control. See struct
+ :ref:`v4l2_queryctrl <v4l2-queryctrl>`.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``frame_sequence``
-
- - The sequence number of the frame being received.
+ * - __u32
+ - ``frame_sequence``
+ - The sequence number of the frame being received.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``changes``
-
- - A bitmask that tells what has changed. See
- :ref:`src-changes-flags`.
+ * - __u32
+ - ``changes``
+ - A bitmask that tells what has changed. See
+ :ref:`src-changes-flags`.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``flags``
-
- - Currently only one flag is available: if
- ``V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ`` is set, then the
- ``frame_sequence`` field is valid, otherwise that field should be
- ignored.
-
- - .. row 2
-
- - __u32
-
- - ``frame_sequence``
-
- - The sequence number of the frame being received. Only valid if the
- ``V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ`` flag was set.
-
- - .. row 3
-
- - __u32
-
- - ``region_mask``
-
- - The bitmask of the regions that reported motion. There is at least
- one region. If this field is 0, then no motion was detected at
- all. If there is no ``V4L2_CID_DETECT_MD_REGION_GRID`` control
- (see :ref:`detect-controls`) to assign a different region to
- each cell in the motion detection grid, then that all cells are
- automatically assigned to the default region 0.
+ * - __u32
+ - ``flags``
+ - Currently only one flag is available: if
+ ``V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ`` is set, then the
+ ``frame_sequence`` field is valid, otherwise that field should be
+ ignored.
+ * - __u32
+ - ``frame_sequence``
+ - The sequence number of the frame being received. Only valid if the
+ ``V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ`` flag was set.
+ * - __u32
+ - ``region_mask``
+ - The bitmask of the regions that reported motion. There is at least
+ one region. If this field is 0, then no motion was detected at
+ all. If there is no ``V4L2_CID_DETECT_MD_REGION_GRID`` control
+ (see :ref:`detect-controls`) to assign a different region to
+ each cell in the motion detection grid, then that all cells are
+ automatically assigned to the default region 0.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_EVENT_CTRL_CH_VALUE``
-
- - 0x0001
-
- - This control event was triggered because the value of the control
- changed. Special cases: Volatile controls do no generate this
- event; If a control has the ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE``
- flag set, then this event is sent as well, regardless its value.
-
- - .. row 2
-
- - ``V4L2_EVENT_CTRL_CH_FLAGS``
-
- - 0x0002
-
- - This control event was triggered because the control flags
- changed.
-
- - .. row 3
-
- - ``V4L2_EVENT_CTRL_CH_RANGE``
-
- - 0x0004
-
- - This control event was triggered because the minimum, maximum,
- step or the default value of the control changed.
+ * - ``V4L2_EVENT_CTRL_CH_VALUE``
+ - 0x0001
+ - This control event was triggered because the value of the control
+ changed. Special cases: Volatile controls do no generate this
+ event; If a control has the ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE``
+ flag set, then this event is sent as well, regardless its value.
+ * - ``V4L2_EVENT_CTRL_CH_FLAGS``
+ - 0x0002
+ - This control event was triggered because the control flags
+ changed.
+ * - ``V4L2_EVENT_CTRL_CH_RANGE``
+ - 0x0004
+ - This control event was triggered because the minimum, maximum,
+ step or the default value of the control changed.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_EVENT_SRC_CH_RESOLUTION``
-
- - 0x0001
-
- - This event gets triggered when a resolution change is detected at
- an input. This can come from an input connector or from a video
- decoder.
+ * - ``V4L2_EVENT_SRC_CH_RESOLUTION``
+ - 0x0001
+ - This event gets triggered when a resolution change is detected at
+ an input. This can come from an input connector or from a video
+ decoder.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``min_width``
-
- - Minimum width of the active video in pixels.
-
- - .. row 2
-
- - __u32
-
- - ``max_width``
-
- - Maximum width of the active video in pixels.
-
- - .. row 3
-
- - __u32
-
- - ``min_height``
-
- - Minimum height of the active video in lines.
-
- - .. row 4
-
- - __u32
-
- - ``max_height``
-
- - Maximum height of the active video in lines.
-
- - .. row 5
-
- - __u64
-
- - ``min_pixelclock``
-
- - Minimum pixelclock frequency in Hz.
-
- - .. row 6
-
- - __u64
-
- - ``max_pixelclock``
-
- - Maximum pixelclock frequency in Hz.
-
- - .. row 7
-
- - __u32
-
- - ``standards``
-
- - The video standard(s) supported by the hardware. See
- :ref:`dv-bt-standards` for a list of standards.
-
- - .. row 8
-
- - __u32
-
- - ``capabilities``
-
- - Several flags giving more information about the capabilities. See
- :ref:`dv-bt-cap-capabilities` for a description of the flags.
-
- - .. row 9
-
- - __u32
-
- - ``reserved``\ [16]
-
- - Reserved for future extensions.
- Drivers must set the array to zero.
+ * - __u32
+ - ``min_width``
+ - Minimum width of the active video in pixels.
+ * - __u32
+ - ``max_width``
+ - Maximum width of the active video in pixels.
+ * - __u32
+ - ``min_height``
+ - Minimum height of the active video in lines.
+ * - __u32
+ - ``max_height``
+ - Maximum height of the active video in lines.
+ * - __u64
+ - ``min_pixelclock``
+ - Minimum pixelclock frequency in Hz.
+ * - __u64
+ - ``max_pixelclock``
+ - Maximum pixelclock frequency in Hz.
+ * - __u32
+ - ``standards``
+ - The video standard(s) supported by the hardware. See
+ :ref:`dv-bt-standards` for a list of standards.
+ * - __u32
+ - ``capabilities``
+ - Several flags giving more information about the capabilities. See
+ :ref:`dv-bt-cap-capabilities` for a description of the flags.
+ * - __u32
+ - ``reserved``\ [16]
+ - Reserved for future extensions.
+ Drivers must set the array to zero.
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of DV timings as listed in :ref:`dv-timing-types`.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API. This field is
- only used when operating on a subdevice node. When operating on a
- video node applications must set this field to zero.
-
- - .. row 3
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions.
-
- Drivers and applications must set the array to zero.
-
- - .. row 4
-
- - union
-
- -
- -
-
- - .. row 5
-
- -
- - struct :c:type:`v4l2_bt_timings_cap`
-
- - ``bt``
-
- - BT.656/1120 timings capabilities of the hardware.
-
- - .. row 6
-
- -
- - __u32
-
- - ``raw_data``\ [32]
-
- -
+ * - __u32
+ - ``type``
+ - Type of DV timings as listed in :ref:`dv-timing-types`.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API. This field is
+ only used when operating on a subdevice node. When operating on a
+ video node applications must set this field to zero.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions.
+
+ Drivers and applications must set the array to zero.
+ * - union
+ -
+ -
+ * -
+ - struct :c:type:`v4l2_bt_timings_cap`
+ - ``bt``
+ - BT.656/1120 timings capabilities of the hardware.
+ * -
+ - __u32
+ - ``raw_data``\ [32]
+ -
.. tabularcolumns:: |p{7.0cm}|p{10.5cm}|
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Flag
-
- - Description
-
- - .. row 2
-
- -
- -
-
- - .. row 3
-
- - ``V4L2_DV_BT_CAP_INTERLACED``
-
- - Interlaced formats are supported.
-
- - .. row 4
-
- - ``V4L2_DV_BT_CAP_PROGRESSIVE``
-
- - Progressive formats are supported.
-
- - .. row 5
-
- - ``V4L2_DV_BT_CAP_REDUCED_BLANKING``
-
- - CVT/GTF specific: the timings can make use of reduced blanking
- (CVT) or the 'Secondary GTF' curve (GTF).
-
- - .. row 6
-
- - ``V4L2_DV_BT_CAP_CUSTOM``
-
- - Can support non-standard timings, i.e. timings not belonging to
- the standards set in the ``standards`` field.
+ * - Flag
+ - Description
+ * -
+ -
+ * - ``V4L2_DV_BT_CAP_INTERLACED``
+ - Interlaced formats are supported.
+ * - ``V4L2_DV_BT_CAP_PROGRESSIVE``
+ - Progressive formats are supported.
+ * - ``V4L2_DV_BT_CAP_REDUCED_BLANKING``
+ - CVT/GTF specific: the timings can make use of reduced blanking
+ (CVT) or the 'Secondary GTF' curve (GTF).
+ * - ``V4L2_DV_BT_CAP_CUSTOM``
+ - Can support non-standard timings, i.e. timings not belonging to
+ the standards set in the ``standards`` field.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``cmd``
-
- - The encoder command, see :ref:`encoder-cmds`.
-
- - .. row 2
-
- - __u32
-
- - ``flags``
-
- - Flags to go with the command, see :ref:`encoder-flags`. If no
- flags are defined for this command, drivers and applications must
- set this field to zero.
-
- - .. row 3
-
- - __u32
-
- - ``data``\ [8]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``cmd``
+ - The encoder command, see :ref:`encoder-cmds`.
+ * - __u32
+ - ``flags``
+ - Flags to go with the command, see :ref:`encoder-flags`. If no
+ flags are defined for this command, drivers and applications must
+ set this field to zero.
+ * - __u32
+ - ``data``\ [8]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_ENC_CMD_START``
-
- - 0
-
- - Start the encoder. When the encoder is already running or paused,
- this command does nothing. No flags are defined for this command.
-
- - .. row 2
-
- - ``V4L2_ENC_CMD_STOP``
-
- - 1
-
- - Stop the encoder. When the ``V4L2_ENC_CMD_STOP_AT_GOP_END`` flag
- is set, encoding will continue until the end of the current *Group
- Of Pictures*, otherwise encoding will stop immediately. When the
- encoder is already stopped, this command does nothing. mem2mem
- encoders will send a ``V4L2_EVENT_EOS`` event when the last frame
- has been encoded and all frames are ready to be dequeued and will
- set the ``V4L2_BUF_FLAG_LAST`` buffer flag on the last buffer of
- the capture queue to indicate there will be no new buffers
- produced to dequeue. This buffer may be empty, indicated by the
- driver setting the ``bytesused`` field to 0. Once the
- ``V4L2_BUF_FLAG_LAST`` flag was set, the
- :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
- but return an ``EPIPE`` error code.
-
- - .. row 3
-
- - ``V4L2_ENC_CMD_PAUSE``
-
- - 2
-
- - Pause the encoder. When the encoder has not been started yet, the
- driver will return an ``EPERM`` error code. When the encoder is
- already paused, this command does nothing. No flags are defined
- for this command.
-
- - .. row 4
-
- - ``V4L2_ENC_CMD_RESUME``
-
- - 3
-
- - Resume encoding after a PAUSE command. When the encoder has not
- been started yet, the driver will return an ``EPERM`` error code. When
- the encoder is already running, this command does nothing. No
- flags are defined for this command.
+ * - ``V4L2_ENC_CMD_START``
+ - 0
+ - Start the encoder. When the encoder is already running or paused,
+ this command does nothing. No flags are defined for this command.
+ * - ``V4L2_ENC_CMD_STOP``
+ - 1
+ - Stop the encoder. When the ``V4L2_ENC_CMD_STOP_AT_GOP_END`` flag
+ is set, encoding will continue until the end of the current *Group
+ Of Pictures*, otherwise encoding will stop immediately. When the
+ encoder is already stopped, this command does nothing. mem2mem
+ encoders will send a ``V4L2_EVENT_EOS`` event when the last frame
+ has been encoded and all frames are ready to be dequeued and will
+ set the ``V4L2_BUF_FLAG_LAST`` buffer flag on the last buffer of
+ the capture queue to indicate there will be no new buffers
+ produced to dequeue. This buffer may be empty, indicated by the
+ driver setting the ``bytesused`` field to 0. Once the
+ ``V4L2_BUF_FLAG_LAST`` flag was set, the
+ :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl will not block anymore,
+ but return an ``EPIPE`` error code.
+ * - ``V4L2_ENC_CMD_PAUSE``
+ - 2
+ - Pause the encoder. When the encoder has not been started yet, the
+ driver will return an ``EPERM`` error code. When the encoder is
+ already paused, this command does nothing. No flags are defined
+ for this command.
+ * - ``V4L2_ENC_CMD_RESUME``
+ - 3
+ - Resume encoding after a PAUSE command. When the encoder has not
+ been started yet, the driver will return an ``EPERM`` error code. When
+ the encoder is already running, this command does nothing. No
+ flags are defined for this command.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_ENC_CMD_STOP_AT_GOP_END``
-
- - 0x0001
-
- - Stop encoding at the end of the current *Group Of Pictures*,
- rather than immediately.
+ * - ``V4L2_ENC_CMD_STOP_AT_GOP_END``
+ - 0x0001
+ - Stop encoding at the end of the current *Group Of Pictures*,
+ rather than immediately.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Number of the DV timings, set by the application.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API. This field is
- only used when operating on a subdevice node. When operating on a
- video node applications must set this field to zero.
-
- - .. row 3
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
-
- - .. row 4
-
- - struct :c:type:`v4l2_dv_timings`
-
- - ``timings``
-
- - The timings.
+ * - __u32
+ - ``index``
+ - Number of the DV timings, set by the application.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API. This field is
+ only used when operating on a subdevice node. When operating on a
+ video node applications must set this field to zero.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
+ * - struct :c:type:`v4l2_dv_timings`
+ - ``timings``
+ - The timings.
Return Value
:stub-columns: 0
:widths: 1 1 2
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Number of the format in the enumeration, set by the application.
- This is in no way related to the ``pixelformat`` field.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - Type of the data stream, set by the application. Only these types
- are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
- ``V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE``,
- ``V4L2_BUF_TYPE_VIDEO_OUTPUT``,
- ``V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
-
- - .. row 3
-
- - __u32
-
- - ``flags``
-
- - See :ref:`fmtdesc-flags`
-
- - .. row 4
-
- - __u8
-
- - ``description``\ [32]
-
- - Description of the format, a NUL-terminated ASCII string. This
- information is intended for the user, for example: "YUV 4:2:2".
-
- - .. row 5
-
- - __u32
-
- - ``pixelformat``
-
- - The image format identifier. This is a four character code as
- computed by the v4l2_fourcc() macro:
-
- - .. row 6
-
- - :cspan:`2`
-
- .. _v4l2-fourcc:
-
- ``#define v4l2_fourcc(a,b,c,d)``
-
- ``(((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))``
-
- Several image formats are already defined by this specification in
- :ref:`pixfmt`.
-
- .. attention::
-
- These codes are not the same as those used
- in the Windows world.
-
- - .. row 7
-
- - __u32
-
- - ``reserved``\ [4]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``index``
+ - Number of the format in the enumeration, set by the application.
+ This is in no way related to the ``pixelformat`` field.
+ * - __u32
+ - ``type``
+ - Type of the data stream, set by the application. Only these types
+ are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
+ ``V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE``,
+ ``V4L2_BUF_TYPE_VIDEO_OUTPUT``,
+ ``V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE`` and
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
+ * - __u32
+ - ``flags``
+ - See :ref:`fmtdesc-flags`
+ * - __u8
+ - ``description``\ [32]
+ - Description of the format, a NUL-terminated ASCII string. This
+ information is intended for the user, for example: "YUV 4:2:2".
+ * - __u32
+ - ``pixelformat``
+ - The image format identifier. This is a four character code as
+ computed by the v4l2_fourcc() macro:
+ * - :cspan:`2`
+
+ .. _v4l2-fourcc:
+
+ ``#define v4l2_fourcc(a,b,c,d)``
+
+ ``(((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))``
+
+ Several image formats are already defined by this specification in
+ :ref:`pixfmt`.
+
+ .. attention::
+
+ These codes are not the same as those used
+ in the Windows world.
+ * - __u32
+ - ``reserved``\ [4]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FMT_FLAG_COMPRESSED``
-
- - 0x0001
-
- - This is a compressed format.
-
- - .. row 2
-
- - ``V4L2_FMT_FLAG_EMULATED``
-
- - 0x0002
-
- - This format is not native to the device but emulated through
- software (usually libv4l2), where possible try to use a native
- format instead for better performance.
+ * - ``V4L2_FMT_FLAG_COMPRESSED``
+ - 0x0001
+ - This is a compressed format.
+ * - ``V4L2_FMT_FLAG_EMULATED``
+ - 0x0002
+ - This format is not native to the device but emulated through
+ software (usually libv4l2), where possible try to use a native
+ format instead for better performance.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - struct :c:type:`v4l2_fract`
-
- - ``min``
-
- - Minimum frame interval [s].
-
- - .. row 2
-
- - struct :c:type:`v4l2_fract`
-
- - ``max``
-
- - Maximum frame interval [s].
-
- - .. row 3
-
- - struct :c:type:`v4l2_fract`
-
- - ``step``
-
- - Frame interval step size [s].
+ * - struct :c:type:`v4l2_fract`
+ - ``min``
+ - Minimum frame interval [s].
+ * - struct :c:type:`v4l2_fract`
+ - ``max``
+ - Maximum frame interval [s].
+ * - struct :c:type:`v4l2_fract`
+ - ``step``
+ - Frame interval step size [s].
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- -
- - IN: Index of the given frame interval in the enumeration.
-
- - .. row 2
-
- - __u32
-
- - ``pixel_format``
-
- -
- - IN: Pixel format for which the frame intervals are enumerated.
-
- - .. row 3
-
- - __u32
-
- - ``width``
-
- -
- - IN: Frame width for which the frame intervals are enumerated.
-
- - .. row 4
-
- - __u32
-
- - ``height``
-
- -
- - IN: Frame height for which the frame intervals are enumerated.
-
- - .. row 5
-
- - __u32
-
- - ``type``
-
- -
- - OUT: Frame interval type the device supports.
-
- - .. row 6
-
- - union
-
- -
- -
- - OUT: Frame interval with the given index.
-
- - .. row 7
-
- -
- - struct :c:type:`v4l2_fract`
-
- - ``discrete``
-
- - Frame interval [s].
-
- - .. row 8
-
- -
- - struct :c:type:`v4l2_frmival_stepwise`
-
- - ``stepwise``
-
- -
-
- - .. row 9
-
- - __u32
-
- - ``reserved[2]``
-
- -
- - Reserved space for future use. Must be zeroed by drivers and
- applications.
+ * - __u32
+ - ``index``
+ -
+ - IN: Index of the given frame interval in the enumeration.
+ * - __u32
+ - ``pixel_format``
+ -
+ - IN: Pixel format for which the frame intervals are enumerated.
+ * - __u32
+ - ``width``
+ -
+ - IN: Frame width for which the frame intervals are enumerated.
+ * - __u32
+ - ``height``
+ -
+ - IN: Frame height for which the frame intervals are enumerated.
+ * - __u32
+ - ``type``
+ -
+ - OUT: Frame interval type the device supports.
+ * - union
+ -
+ -
+ - OUT: Frame interval with the given index.
+ * -
+ - struct :c:type:`v4l2_fract`
+ - ``discrete``
+ - Frame interval [s].
+ * -
+ - struct :c:type:`v4l2_frmival_stepwise`
+ - ``stepwise``
+ -
+ * - __u32
+ - ``reserved[2]``
+ -
+ - Reserved space for future use. Must be zeroed by drivers and
+ applications.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FRMIVAL_TYPE_DISCRETE``
-
- - 1
-
- - Discrete frame interval.
-
- - .. row 2
-
- - ``V4L2_FRMIVAL_TYPE_CONTINUOUS``
-
- - 2
-
- - Continuous frame interval.
-
- - .. row 3
-
- - ``V4L2_FRMIVAL_TYPE_STEPWISE``
-
- - 3
-
- - Step-wise defined frame interval.
+ * - ``V4L2_FRMIVAL_TYPE_DISCRETE``
+ - 1
+ - Discrete frame interval.
+ * - ``V4L2_FRMIVAL_TYPE_CONTINUOUS``
+ - 2
+ - Continuous frame interval.
+ * - ``V4L2_FRMIVAL_TYPE_STEPWISE``
+ - 3
+ - Step-wise defined frame interval.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``width``
-
- - Width of the frame [pixel].
-
- - .. row 2
-
- - __u32
-
- - ``height``
-
- - Height of the frame [pixel].
+ * - __u32
+ - ``width``
+ - Width of the frame [pixel].
+ * - __u32
+ - ``height``
+ - Height of the frame [pixel].
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``min_width``
-
- - Minimum frame width [pixel].
-
- - .. row 2
-
- - __u32
-
- - ``max_width``
-
- - Maximum frame width [pixel].
-
- - .. row 3
-
- - __u32
-
- - ``step_width``
-
- - Frame width step size [pixel].
-
- - .. row 4
-
- - __u32
-
- - ``min_height``
-
- - Minimum frame height [pixel].
-
- - .. row 5
-
- - __u32
-
- - ``max_height``
-
- - Maximum frame height [pixel].
-
- - .. row 6
-
- - __u32
-
- - ``step_height``
-
- - Frame height step size [pixel].
+ * - __u32
+ - ``min_width``
+ - Minimum frame width [pixel].
+ * - __u32
+ - ``max_width``
+ - Maximum frame width [pixel].
+ * - __u32
+ - ``step_width``
+ - Frame width step size [pixel].
+ * - __u32
+ - ``min_height``
+ - Minimum frame height [pixel].
+ * - __u32
+ - ``max_height``
+ - Maximum frame height [pixel].
+ * - __u32
+ - ``step_height``
+ - Frame height step size [pixel].
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- -
- - IN: Index of the given frame size in the enumeration.
-
- - .. row 2
-
- - __u32
-
- - ``pixel_format``
-
- -
- - IN: Pixel format for which the frame sizes are enumerated.
-
- - .. row 3
-
- - __u32
-
- - ``type``
-
- -
- - OUT: Frame size type the device supports.
-
- - .. row 4
-
- - union
-
- -
- -
- - OUT: Frame size with the given index.
-
- - .. row 5
-
- -
- - struct :c:type:`v4l2_frmsize_discrete`
-
- - ``discrete``
-
- -
-
- - .. row 6
-
- -
- - struct :c:type:`v4l2_frmsize_stepwise`
-
- - ``stepwise``
-
- -
-
- - .. row 7
-
- - __u32
-
- - ``reserved[2]``
-
- -
- - Reserved space for future use. Must be zeroed by drivers and
- applications.
+ * - __u32
+ - ``index``
+ -
+ - IN: Index of the given frame size in the enumeration.
+ * - __u32
+ - ``pixel_format``
+ -
+ - IN: Pixel format for which the frame sizes are enumerated.
+ * - __u32
+ - ``type``
+ -
+ - OUT: Frame size type the device supports.
+ * - union
+ -
+ -
+ - OUT: Frame size with the given index.
+ * -
+ - struct :c:type:`v4l2_frmsize_discrete`
+ - ``discrete``
+ -
+ * -
+ - struct :c:type:`v4l2_frmsize_stepwise`
+ - ``stepwise``
+ -
+ * - __u32
+ - ``reserved[2]``
+ -
+ - Reserved space for future use. Must be zeroed by drivers and
+ applications.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FRMSIZE_TYPE_DISCRETE``
-
- - 1
-
- - Discrete frame size.
-
- - .. row 2
-
- - ``V4L2_FRMSIZE_TYPE_CONTINUOUS``
-
- - 2
-
- - Continuous frame size.
-
- - .. row 3
-
- - ``V4L2_FRMSIZE_TYPE_STEPWISE``
-
- - 3
-
- - Step-wise defined frame size.
+ * - ``V4L2_FRMSIZE_TYPE_DISCRETE``
+ - 1
+ - Discrete frame size.
+ * - ``V4L2_FRMSIZE_TYPE_CONTINUOUS``
+ - 2
+ - Continuous frame size.
+ * - ``V4L2_FRMSIZE_TYPE_STEPWISE``
+ - 3
+ - Step-wise defined frame size.
Return Value
:stub-columns: 0
:widths: 1 1 2 1 1
-
- - .. row 1
-
- - __u32
-
- - ``tuner``
-
- - The tuner or modulator index number. This is the same value as in
- the struct :c:type:`v4l2_input` ``tuner`` field and
- the struct :c:type:`v4l2_tuner` ``index`` field, or
- the struct :c:type:`v4l2_output` ``modulator`` field
- and the struct :c:type:`v4l2_modulator` ``index``
- field.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - The tuner type. This is the same value as in the struct
- :c:type:`v4l2_tuner` ``type`` field. The type must be
- set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
- to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
- ``V4L2_TUNER_RADIO`` for modulators (currently only radio
- modulators are supported). See :c:type:`v4l2_tuner_type`
-
- - .. row 3
-
- - __u32
-
- - ``index``
-
- - Identifies the frequency band, set by the application.
-
- - .. row 4
-
- - __u32
-
- - ``capability``
-
- - :cspan:`2` The tuner/modulator capability flags for this
- frequency band, see :ref:`tuner-capability`. The
- ``V4L2_TUNER_CAP_LOW`` or ``V4L2_TUNER_CAP_1HZ`` capability must
- be the same for all frequency bands of the selected
- tuner/modulator. So either all bands have that capability set, or
- none of them have that capability.
-
- - .. row 5
-
- - __u32
-
- - ``rangelow``
-
- - :cspan:`2` The lowest tunable frequency in units of 62.5 kHz, or
- if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
- of 62.5 Hz, for this frequency band. A 1 Hz unit is used when the
- ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
-
- - .. row 6
-
- - __u32
-
- - ``rangehigh``
-
- - :cspan:`2` The highest tunable frequency in units of 62.5 kHz,
- or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
- units of 62.5 Hz, for this frequency band. A 1 Hz unit is used
- when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
-
- - .. row 7
-
- - __u32
-
- - ``modulation``
-
- - :cspan:`2` The supported modulation systems of this frequency
- band. See :ref:`band-modulation`.
-
- .. note::
-
- Currently only one modulation system per frequency band
- is supported. More work will need to be done if multiple
- modulation systems are possible. Contact the linux-media
- mailing list
- (`https://linuxtv.org/lists.php <https://linuxtv.org/lists.php>`__)
- if you need such functionality.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [9]
-
- - Reserved for future extensions.
-
- Applications and drivers must set the array to zero.
+ * - __u32
+ - ``tuner``
+ - The tuner or modulator index number. This is the same value as in
+ the struct :c:type:`v4l2_input` ``tuner`` field and
+ the struct :c:type:`v4l2_tuner` ``index`` field, or
+ the struct :c:type:`v4l2_output` ``modulator`` field
+ and the struct :c:type:`v4l2_modulator` ``index``
+ field.
+ * - __u32
+ - ``type``
+ - The tuner type. This is the same value as in the struct
+ :c:type:`v4l2_tuner` ``type`` field. The type must be
+ set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
+ to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
+ ``V4L2_TUNER_RADIO`` for modulators (currently only radio
+ modulators are supported). See :c:type:`v4l2_tuner_type`
+ * - __u32
+ - ``index``
+ - Identifies the frequency band, set by the application.
+ * - __u32
+ - ``capability``
+ - :cspan:`2` The tuner/modulator capability flags for this
+ frequency band, see :ref:`tuner-capability`. The
+ ``V4L2_TUNER_CAP_LOW`` or ``V4L2_TUNER_CAP_1HZ`` capability must
+ be the same for all frequency bands of the selected
+ tuner/modulator. So either all bands have that capability set, or
+ none of them have that capability.
+ * - __u32
+ - ``rangelow``
+ - :cspan:`2` The lowest tunable frequency in units of 62.5 kHz, or
+ if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
+ of 62.5 Hz, for this frequency band. A 1 Hz unit is used when the
+ ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
+ * - __u32
+ - ``rangehigh``
+ - :cspan:`2` The highest tunable frequency in units of 62.5 kHz,
+ or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
+ units of 62.5 Hz, for this frequency band. A 1 Hz unit is used
+ when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
+ * - __u32
+ - ``modulation``
+ - :cspan:`2` The supported modulation systems of this frequency
+ band. See :ref:`band-modulation`.
+
+ .. note::
+
+ Currently only one modulation system per frequency band
+ is supported. More work will need to be done if multiple
+ modulation systems are possible. Contact the linux-media
+ mailing list
+ (`https://linuxtv.org/lists.php <https://linuxtv.org/lists.php>`__)
+ if you need such functionality.
+ * - __u32
+ - ``reserved``\ [9]
+ - Reserved for future extensions.
+
+ Applications and drivers must set the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_BAND_MODULATION_VSB``
-
- - 0x02
-
- - Vestigial Sideband modulation, used for analog TV.
-
- - .. row 2
-
- - ``V4L2_BAND_MODULATION_FM``
-
- - 0x04
-
- - Frequency Modulation, commonly used for analog radio.
-
- - .. row 3
-
- - ``V4L2_BAND_MODULATION_AM``
-
- - 0x08
-
- - Amplitude Modulation, commonly used for analog radio.
+ * - ``V4L2_BAND_MODULATION_VSB``
+ - 0x02
+ - Vestigial Sideband modulation, used for analog TV.
+ * - ``V4L2_BAND_MODULATION_FM``
+ - 0x04
+ - Frequency Modulation, commonly used for analog radio.
+ * - ``V4L2_BAND_MODULATION_AM``
+ - 0x08
+ - Amplitude Modulation, commonly used for analog radio.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Identifies the input, set by the application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the video input, a NUL-terminated ASCII string, for
- example: "Vin (Composite 2)". This information is intended for the
- user, preferably the connector label on the device itself.
-
- - .. row 3
-
- - __u32
-
- - ``type``
-
- - Type of the input, see :ref:`input-type`.
-
- - .. row 4
-
- - __u32
-
- - ``audioset``
-
- - Drivers can enumerate up to 32 video and audio inputs. This field
- shows which audio inputs were selectable as audio source if this
- was the currently selected video input. It is a bit mask. The LSB
- corresponds to audio input 0, the MSB to input 31. Any number of
- bits can be set, or none.
-
- When the driver does not enumerate audio inputs no bits must be
- set. Applications shall not interpret this as lack of audio
- support. Some drivers automatically select audio sources and do
- not enumerate them since there is no choice anyway.
-
- For details on audio inputs and how to select the current input
- see :ref:`audio`.
-
- - .. row 5
-
- - __u32
-
- - ``tuner``
-
- - Capture devices can have zero or more tuners (RF demodulators).
- When the ``type`` is set to ``V4L2_INPUT_TYPE_TUNER`` this is an
- RF connector and this field identifies the tuner. It corresponds
- to struct :c:type:`v4l2_tuner` field ``index``. For
- details on tuners see :ref:`tuner`.
-
- - .. row 6
-
- - :ref:`v4l2_std_id <v4l2-std-id>`
-
- - ``std``
-
- - Every video input supports one or more different video standards.
- This field is a set of all supported standards. For details on
- video standards and how to switch see :ref:`standard`.
-
- - .. row 7
-
- - __u32
-
- - ``status``
-
- - This field provides status information about the input. See
- :ref:`input-status` for flags. With the exception of the sensor
- orientation bits ``status`` is only valid when this is the current
- input.
-
- - .. row 8
-
- - __u32
-
- - ``capabilities``
-
- - This field provides capabilities for the input. See
- :ref:`input-capabilities` for flags.
-
- - .. row 9
-
- - __u32
-
- - ``reserved``\ [3]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``index``
+ - Identifies the input, set by the application.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the video input, a NUL-terminated ASCII string, for
+ example: "Vin (Composite 2)". This information is intended for the
+ user, preferably the connector label on the device itself.
+ * - __u32
+ - ``type``
+ - Type of the input, see :ref:`input-type`.
+ * - __u32
+ - ``audioset``
+ - Drivers can enumerate up to 32 video and audio inputs. This field
+ shows which audio inputs were selectable as audio source if this
+ was the currently selected video input. It is a bit mask. The LSB
+ corresponds to audio input 0, the MSB to input 31. Any number of
+ bits can be set, or none.
+
+ When the driver does not enumerate audio inputs no bits must be
+ set. Applications shall not interpret this as lack of audio
+ support. Some drivers automatically select audio sources and do
+ not enumerate them since there is no choice anyway.
+
+ For details on audio inputs and how to select the current input
+ see :ref:`audio`.
+ * - __u32
+ - ``tuner``
+ - Capture devices can have zero or more tuners (RF demodulators).
+ When the ``type`` is set to ``V4L2_INPUT_TYPE_TUNER`` this is an
+ RF connector and this field identifies the tuner. It corresponds
+ to struct :c:type:`v4l2_tuner` field ``index``. For
+ details on tuners see :ref:`tuner`.
+ * - :ref:`v4l2_std_id <v4l2-std-id>`
+ - ``std``
+ - Every video input supports one or more different video standards.
+ This field is a set of all supported standards. For details on
+ video standards and how to switch see :ref:`standard`.
+ * - __u32
+ - ``status``
+ - This field provides status information about the input. See
+ :ref:`input-status` for flags. With the exception of the sensor
+ orientation bits ``status`` is only valid when this is the current
+ input.
+ * - __u32
+ - ``capabilities``
+ - This field provides capabilities for the input. See
+ :ref:`input-capabilities` for flags.
+ * - __u32
+ - ``reserved``\ [3]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_INPUT_TYPE_TUNER``
-
- - 1
-
- - This input uses a tuner (RF demodulator).
-
- - .. row 2
-
- - ``V4L2_INPUT_TYPE_CAMERA``
-
- - 2
-
- - Analog baseband input, for example CVBS / Composite Video,
- S-Video, RGB.
-
- - .. row 3
-
- - ``V4L2_INPUT_TYPE_TOUCH``
-
- - 3
-
- - This input is a touch device for capturing raw touch data.
+ * - ``V4L2_INPUT_TYPE_TUNER``
+ - 1
+ - This input uses a tuner (RF demodulator).
+ * - ``V4L2_INPUT_TYPE_CAMERA``
+ - 2
+ - Analog baseband input, for example CVBS / Composite Video,
+ S-Video, RGB.
+ * - ``V4L2_INPUT_TYPE_TOUCH``
+ - 3
+ - This input is a touch device for capturing raw touch data.
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - :cspan:`2` General
-
- - .. row 2
-
- - ``V4L2_IN_ST_NO_POWER``
-
- - 0x00000001
-
- - Attached device is off.
-
- - .. row 3
-
- - ``V4L2_IN_ST_NO_SIGNAL``
-
- - 0x00000002
-
- -
-
- - .. row 4
-
- - ``V4L2_IN_ST_NO_COLOR``
-
- - 0x00000004
-
- - The hardware supports color decoding, but does not detect color
- modulation in the signal.
-
- - .. row 5
-
- - :cspan:`2` Sensor Orientation
-
- - .. row 6
-
- - ``V4L2_IN_ST_HFLIP``
-
- - 0x00000010
-
- - The input is connected to a device that produces a signal that is
- flipped horizontally and does not correct this before passing the
- signal to userspace.
-
- - .. row 7
-
- - ``V4L2_IN_ST_VFLIP``
-
- - 0x00000020
-
- - The input is connected to a device that produces a signal that is
- flipped vertically and does not correct this before passing the
- signal to userspace.
- .. note:: A 180 degree rotation is the same as HFLIP | VFLIP
-
- - .. row 8
-
- - :cspan:`2` Analog Video
-
- - .. row 9
-
- - ``V4L2_IN_ST_NO_H_LOCK``
-
- - 0x00000100
-
- - No horizontal sync lock.
-
- - .. row 10
-
- - ``V4L2_IN_ST_COLOR_KILL``
-
- - 0x00000200
-
- - A color killer circuit automatically disables color decoding when
- it detects no color modulation. When this flag is set the color
- killer is enabled *and* has shut off color decoding.
-
- - .. row 11
-
- - ``V4L2_IN_ST_NO_V_LOCK``
-
- - 0x00000400
-
- - No vertical sync lock.
-
- - .. row 12
-
- - ``V4L2_IN_ST_NO_STD_LOCK``
-
- - 0x00000800
-
- - No standard format lock in case of auto-detection format
- by the component.
-
- - .. row 13
-
- - :cspan:`2` Digital Video
-
- - .. row 14
-
- - ``V4L2_IN_ST_NO_SYNC``
-
- - 0x00010000
-
- - No synchronization lock.
-
- - .. row 15
-
- - ``V4L2_IN_ST_NO_EQU``
-
- - 0x00020000
-
- - No equalizer lock.
-
- - .. row 16
-
- - ``V4L2_IN_ST_NO_CARRIER``
-
- - 0x00040000
-
- - Carrier recovery failed.
-
- - .. row 17
-
- - :cspan:`2` VCR and Set-Top Box
-
- - .. row 18
-
- - ``V4L2_IN_ST_MACROVISION``
-
- - 0x01000000
-
- - Macrovision is an analog copy prevention system mangling the video
- signal to confuse video recorders. When this flag is set
- Macrovision has been detected.
-
- - .. row 19
-
- - ``V4L2_IN_ST_NO_ACCESS``
-
- - 0x02000000
-
- - Conditional access denied.
-
- - .. row 20
-
- - ``V4L2_IN_ST_VTR``
-
- - 0x04000000
-
- - VTR time constant. [?]
+ * - :cspan:`2` General
+ * - ``V4L2_IN_ST_NO_POWER``
+ - 0x00000001
+ - Attached device is off.
+ * - ``V4L2_IN_ST_NO_SIGNAL``
+ - 0x00000002
+ -
+ * - ``V4L2_IN_ST_NO_COLOR``
+ - 0x00000004
+ - The hardware supports color decoding, but does not detect color
+ modulation in the signal.
+ * - :cspan:`2` Sensor Orientation
+ * - ``V4L2_IN_ST_HFLIP``
+ - 0x00000010
+ - The input is connected to a device that produces a signal that is
+ flipped horizontally and does not correct this before passing the
+ signal to userspace.
+ * - ``V4L2_IN_ST_VFLIP``
+ - 0x00000020
+ - The input is connected to a device that produces a signal that is
+ flipped vertically and does not correct this before passing the
+ signal to userspace.
+ .. note:: A 180 degree rotation is the same as HFLIP | VFLIP
+ * - :cspan:`2` Analog Video
+ * - ``V4L2_IN_ST_NO_H_LOCK``
+ - 0x00000100
+ - No horizontal sync lock.
+ * - ``V4L2_IN_ST_COLOR_KILL``
+ - 0x00000200
+ - A color killer circuit automatically disables color decoding when
+ it detects no color modulation. When this flag is set the color
+ killer is enabled *and* has shut off color decoding.
+ * - ``V4L2_IN_ST_NO_V_LOCK``
+ - 0x00000400
+ - No vertical sync lock.
+ * - ``V4L2_IN_ST_NO_STD_LOCK``
+ - 0x00000800
+ - No standard format lock in case of auto-detection format
+ by the component.
+ * - :cspan:`2` Digital Video
+ * - ``V4L2_IN_ST_NO_SYNC``
+ - 0x00010000
+ - No synchronization lock.
+ * - ``V4L2_IN_ST_NO_EQU``
+ - 0x00020000
+ - No equalizer lock.
+ * - ``V4L2_IN_ST_NO_CARRIER``
+ - 0x00040000
+ - Carrier recovery failed.
+ * - :cspan:`2` VCR and Set-Top Box
+ * - ``V4L2_IN_ST_MACROVISION``
+ - 0x01000000
+ - Macrovision is an analog copy prevention system mangling the video
+ signal to confuse video recorders. When this flag is set
+ Macrovision has been detected.
+ * - ``V4L2_IN_ST_NO_ACCESS``
+ - 0x02000000
+ - Conditional access denied.
+ * - ``V4L2_IN_ST_VTR``
+ - 0x04000000
+ - VTR time constant. [?]
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_IN_CAP_DV_TIMINGS``
-
- - 0x00000002
-
- - This input supports setting video timings by using
- VIDIOC_S_DV_TIMINGS.
-
- - .. row 2
-
- - ``V4L2_IN_CAP_STD``
-
- - 0x00000004
-
- - This input supports setting the TV standard by using
- VIDIOC_S_STD.
-
- - .. row 3
-
- - ``V4L2_IN_CAP_NATIVE_SIZE``
-
- - 0x00000008
-
- - This input supports setting the native size using the
- ``V4L2_SEL_TGT_NATIVE_SIZE`` selection target, see
- :ref:`v4l2-selections-common`.
+ * - ``V4L2_IN_CAP_DV_TIMINGS``
+ - 0x00000002
+ - This input supports setting video timings by using
+ VIDIOC_S_DV_TIMINGS.
+ * - ``V4L2_IN_CAP_STD``
+ - 0x00000004
+ - This input supports setting the TV standard by using
+ VIDIOC_S_STD.
+ * - ``V4L2_IN_CAP_NATIVE_SIZE``
+ - 0x00000008
+ - This input supports setting the native size using the
+ ``V4L2_SEL_TGT_NATIVE_SIZE`` selection target, see
+ :ref:`v4l2-selections-common`.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Identifies the output, set by the application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the video output, a NUL-terminated ASCII string, for
- example: "Vout". This information is intended for the user,
- preferably the connector label on the device itself.
-
- - .. row 3
-
- - __u32
-
- - ``type``
-
- - Type of the output, see :ref:`output-type`.
-
- - .. row 4
-
- - __u32
-
- - ``audioset``
-
- - Drivers can enumerate up to 32 video and audio outputs. This field
- shows which audio outputs were selectable as the current output if
- this was the currently selected video output. It is a bit mask.
- The LSB corresponds to audio output 0, the MSB to output 31. Any
- number of bits can be set, or none.
-
- When the driver does not enumerate audio outputs no bits must be
- set. Applications shall not interpret this as lack of audio
- support. Drivers may automatically select audio outputs without
- enumerating them.
-
- For details on audio outputs and how to select the current output
- see :ref:`audio`.
-
- - .. row 5
-
- - __u32
-
- - ``modulator``
-
- - Output devices can have zero or more RF modulators. When the
- ``type`` is ``V4L2_OUTPUT_TYPE_MODULATOR`` this is an RF connector
- and this field identifies the modulator. It corresponds to struct
- :c:type:`v4l2_modulator` field ``index``. For
- details on modulators see :ref:`tuner`.
-
- - .. row 6
-
- - :ref:`v4l2_std_id <v4l2-std-id>`
-
- - ``std``
-
- - Every video output supports one or more different video standards.
- This field is a set of all supported standards. For details on
- video standards and how to switch see :ref:`standard`.
-
- - .. row 7
-
- - __u32
-
- - ``capabilities``
-
- - This field provides capabilities for the output. See
- :ref:`output-capabilities` for flags.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [3]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``index``
+ - Identifies the output, set by the application.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the video output, a NUL-terminated ASCII string, for
+ example: "Vout". This information is intended for the user,
+ preferably the connector label on the device itself.
+ * - __u32
+ - ``type``
+ - Type of the output, see :ref:`output-type`.
+ * - __u32
+ - ``audioset``
+ - Drivers can enumerate up to 32 video and audio outputs. This field
+ shows which audio outputs were selectable as the current output if
+ this was the currently selected video output. It is a bit mask.
+ The LSB corresponds to audio output 0, the MSB to output 31. Any
+ number of bits can be set, or none.
+
+ When the driver does not enumerate audio outputs no bits must be
+ set. Applications shall not interpret this as lack of audio
+ support. Drivers may automatically select audio outputs without
+ enumerating them.
+
+ For details on audio outputs and how to select the current output
+ see :ref:`audio`.
+ * - __u32
+ - ``modulator``
+ - Output devices can have zero or more RF modulators. When the
+ ``type`` is ``V4L2_OUTPUT_TYPE_MODULATOR`` this is an RF connector
+ and this field identifies the modulator. It corresponds to struct
+ :c:type:`v4l2_modulator` field ``index``. For
+ details on modulators see :ref:`tuner`.
+ * - :ref:`v4l2_std_id <v4l2-std-id>`
+ - ``std``
+ - Every video output supports one or more different video standards.
+ This field is a set of all supported standards. For details on
+ video standards and how to switch see :ref:`standard`.
+ * - __u32
+ - ``capabilities``
+ - This field provides capabilities for the output. See
+ :ref:`output-capabilities` for flags.
+ * - __u32
+ - ``reserved``\ [3]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_OUTPUT_TYPE_MODULATOR``
-
- - 1
-
- - This output is an analog TV modulator.
-
- - .. row 2
-
- - ``V4L2_OUTPUT_TYPE_ANALOG``
-
- - 2
-
- - Analog baseband output, for example Composite / CVBS, S-Video,
- RGB.
-
- - .. row 3
-
- - ``V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY``
-
- - 3
-
- - [?]
+ * - ``V4L2_OUTPUT_TYPE_MODULATOR``
+ - 1
+ - This output is an analog TV modulator.
+ * - ``V4L2_OUTPUT_TYPE_ANALOG``
+ - 2
+ - Analog baseband output, for example Composite / CVBS, S-Video,
+ RGB.
+ * - ``V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY``
+ - 3
+ - [?]
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_OUT_CAP_DV_TIMINGS``
-
- - 0x00000002
-
- - This output supports setting video timings by using
- VIDIOC_S_DV_TIMINGS.
-
- - .. row 2
-
- - ``V4L2_OUT_CAP_STD``
-
- - 0x00000004
-
- - This output supports setting the TV standard by using
- VIDIOC_S_STD.
-
- - .. row 3
-
- - ``V4L2_OUT_CAP_NATIVE_SIZE``
-
- - 0x00000008
-
- - This output supports setting the native size using the
- ``V4L2_SEL_TGT_NATIVE_SIZE`` selection target, see
- :ref:`v4l2-selections-common`.
+ * - ``V4L2_OUT_CAP_DV_TIMINGS``
+ - 0x00000002
+ - This output supports setting video timings by using
+ VIDIOC_S_DV_TIMINGS.
+ * - ``V4L2_OUT_CAP_STD``
+ - 0x00000004
+ - This output supports setting the TV standard by using
+ VIDIOC_S_STD.
+ * - ``V4L2_OUT_CAP_NATIVE_SIZE``
+ - 0x00000008
+ - This output supports setting the native size using the
+ ``V4L2_SEL_TGT_NATIVE_SIZE`` selection target, see
+ :ref:`v4l2-selections-common`.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Number of the video standard, set by the application.
-
- - .. row 2
-
- - :ref:`v4l2_std_id <v4l2-std-id>`
-
- - ``id``
-
- - The bits in this field identify the standard as one of the common
- standards listed in :ref:`v4l2-std-id`, or if bits 32 to 63 are
- set as custom standards. Multiple bits can be set if the hardware
- does not distinguish between these standards, however separate
- indices do not indicate the opposite. The ``id`` must be unique.
- No other enumerated struct :c:type:`v4l2_standard` structure,
- for this input or output anyway, can contain the same set of bits.
-
- - .. row 3
-
- - __u8
-
- - ``name``\ [24]
-
- - Name of the standard, a NUL-terminated ASCII string, for example:
- "PAL-B/G", "NTSC Japan". This information is intended for the
- user.
-
- - .. row 4
-
- - struct :c:type:`v4l2_fract`
-
- - ``frameperiod``
-
- - The frame period (not field period) is numerator / denominator.
- For example M/NTSC has a frame period of 1001 / 30000 seconds.
-
- - .. row 5
-
- - __u32
-
- - ``framelines``
-
- - Total lines per frame including blanking, e. g. 625 for B/PAL.
-
- - .. row 6
-
- - __u32
-
- - ``reserved``\ [4]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``index``
+ - Number of the video standard, set by the application.
+ * - :ref:`v4l2_std_id <v4l2-std-id>`
+ - ``id``
+ - The bits in this field identify the standard as one of the common
+ standards listed in :ref:`v4l2-std-id`, or if bits 32 to 63 are
+ set as custom standards. Multiple bits can be set if the hardware
+ does not distinguish between these standards, however separate
+ indices do not indicate the opposite. The ``id`` must be unique.
+ No other enumerated struct :c:type:`v4l2_standard` structure,
+ for this input or output anyway, can contain the same set of bits.
+ * - __u8
+ - ``name``\ [24]
+ - Name of the standard, a NUL-terminated ASCII string, for example:
+ "PAL-B/G", "NTSC Japan". This information is intended for the
+ user.
+ * - struct :c:type:`v4l2_fract`
+ - ``frameperiod``
+ - The frame period (not field period) is numerator / denominator.
+ For example M/NTSC has a frame period of 1001 / 30000 seconds.
+ * - __u32
+ - ``framelines``
+ - Total lines per frame including blanking, e. g. 625 for B/PAL.
+ * - __u32
+ - ``reserved``\ [4]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``numerator``
-
- -
-
- - .. row 2
-
- - __u32
-
- - ``denominator``
-
- -
+ * - __u32
+ - ``numerator``
+ -
+ * - __u32
+ - ``denominator``
+ -
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u64
-
- - ``v4l2_std_id``
-
- - This type is a set, each bit representing another video standard
- as listed below and in :ref:`video-standards`. The 32 most
- significant bits are reserved for custom (driver defined) video
- standards.
+ * - __u64
+ - ``v4l2_std_id``
+ - This type is a set, each bit representing another video standard
+ as listed below and in :ref:`video-standards`. The 32 most
+ significant bits are reserved for custom (driver defined) video
+ standards.
:header-rows: 1
:stub-columns: 0
-
- - .. row 1
-
- - Characteristics
-
- - M/NTSC [#f2]_
-
- - M/PAL
-
- - N/PAL [#f3]_
-
- - B, B1, G/PAL
-
- - D, D1, K/PAL
-
- - H/PAL
-
- - I/PAL
-
- - B, G/SECAM
-
- - D, K/SECAM
-
- - K1/SECAM
-
- - L/SECAM
-
- - .. row 2
-
- - Frame lines
-
- - :cspan:`1` 525
-
- - :cspan:`8` 625
-
- - .. row 3
-
- - Frame period (s)
-
- - :cspan:`1` 1001/30000
-
- - :cspan:`8` 1/25
-
- - .. row 4
-
- - Chrominance sub-carrier frequency (Hz)
-
- - 3579545 ± 10
-
- - 3579611.49 ± 10
-
- - 4433618.75 ± 5
-
- (3582056.25 ± 5)
-
- - :cspan:`3` 4433618.75 ± 5
-
- - 4433618.75 ± 1
-
- - :cspan:`2` f\ :sub:`OR` = 4406250 ± 2000,
-
- f\ :sub:`OB` = 4250000 ± 2000
-
- - .. row 5
-
- - Nominal radio-frequency channel bandwidth (MHz)
-
- - 6
-
- - 6
-
- - 6
-
- - B: 7; B1, G: 8
-
- - 8
-
- - 8
-
- - 8
-
- - 8
-
- - 8
-
- - 8
-
- - 8
-
- - .. row 6
-
- - Sound carrier relative to vision carrier (MHz)
-
- - 4.5
-
- - 4.5
-
- - 4.5
-
- - 5.5 ± 0.001 [#f4]_ [#f5]_ [#f6]_ [#f7]_
-
- - 6.5 ± 0.001
-
- - 5.5
-
- - 5.9996 ± 0.0005
-
- - 5.5 ± 0.001
-
- - 6.5 ± 0.001
-
- - 6.5
-
- - 6.5 [#f8]_
+ * - Characteristics
+ - M/NTSC [#f2]_
+ - M/PAL
+ - N/PAL [#f3]_
+ - B, B1, G/PAL
+ - D, D1, K/PAL
+ - H/PAL
+ - I/PAL
+ - B, G/SECAM
+ - D, K/SECAM
+ - K1/SECAM
+ - L/SECAM
+ * - Frame lines
+ - :cspan:`1` 525
+ - :cspan:`8` 625
+ * - Frame period (s)
+ - :cspan:`1` 1001/30000
+ - :cspan:`8` 1/25
+ * - Chrominance sub-carrier frequency (Hz)
+ - 3579545 ± 10
+ - 3579611.49 ± 10
+ - 4433618.75 ± 5
+
+ (3582056.25 ± 5)
+ - :cspan:`3` 4433618.75 ± 5
+ - 4433618.75 ± 1
+ - :cspan:`2` f\ :sub:`OR` = 4406250 ± 2000,
+
+ f\ :sub:`OB` = 4250000 ± 2000
+ * - Nominal radio-frequency channel bandwidth (MHz)
+ - 6
+ - 6
+ - 6
+ - B: 7; B1, G: 8
+ - 8
+ - 8
+ - 8
+ - 8
+ - 8
+ - 8
+ - 8
+ * - Sound carrier relative to vision carrier (MHz)
+ - 4.5
+ - 4.5
+ - 4.5
+ - 5.5 ± 0.001 [#f4]_ [#f5]_ [#f6]_ [#f7]_
+ - 6.5 ± 0.001
+ - 5.5
+ - 5.9996 ± 0.0005
+ - 5.5 ± 0.001
+ - 6.5 ± 0.001
+ - 6.5
+ - 6.5 [#f8]_
.. raw:: latex
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of the buffer, same as struct
- :c:type:`v4l2_format` ``type`` or struct
- :c:type:`v4l2_requestbuffers` ``type``, set
- by the application. See :c:type:`v4l2_buf_type`
-
- - .. row 2
-
- - __u32
-
- - ``index``
-
- - Number of the buffer, set by the application. This field is only
- used for :ref:`memory mapping <mmap>` I/O and can range from
- zero to the number of buffers allocated with the
- :ref:`VIDIOC_REQBUFS` and/or
- :ref:`VIDIOC_CREATE_BUFS` ioctls.
-
- - .. row 3
-
- - __u32
-
- - ``plane``
-
- - Index of the plane to be exported when using the multi-planar API.
- Otherwise this value must be set to zero.
-
- - .. row 4
-
- - __u32
-
- - ``flags``
-
- - Flags for the newly created file, currently only ``O_CLOEXEC``,
- ``O_RDONLY``, ``O_WRONLY``, and ``O_RDWR`` are supported, refer to
- the manual of open() for more details.
-
- - .. row 5
-
- - __s32
-
- - ``fd``
-
- - The DMABUF file descriptor associated with a buffer. Set by the
- driver.
-
- - .. row 6
-
- - __u32
-
- - ``reserved[11]``
-
- - Reserved field for future use. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``type``
+ - Type of the buffer, same as struct
+ :c:type:`v4l2_format` ``type`` or struct
+ :c:type:`v4l2_requestbuffers` ``type``, set
+ by the application. See :c:type:`v4l2_buf_type`
+ * - __u32
+ - ``index``
+ - Number of the buffer, set by the application. This field is only
+ used for :ref:`memory mapping <mmap>` I/O and can range from
+ zero to the number of buffers allocated with the
+ :ref:`VIDIOC_REQBUFS` and/or
+ :ref:`VIDIOC_CREATE_BUFS` ioctls.
+ * - __u32
+ - ``plane``
+ - Index of the plane to be exported when using the multi-planar API.
+ Otherwise this value must be set to zero.
+ * - __u32
+ - ``flags``
+ - Flags for the newly created file, currently only ``O_CLOEXEC``,
+ ``O_RDONLY``, ``O_WRONLY``, and ``O_RDWR`` are supported, refer to
+ the manual of open() for more details.
+ * - __s32
+ - ``fd``
+ - The DMABUF file descriptor associated with a buffer. Set by the
+ driver.
+ * - __u32
+ - ``reserved[11]``
+ - Reserved field for future use. Drivers and applications must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Identifies the audio input, set by the driver or application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the audio input, a NUL-terminated ASCII string, for
- example: "Line In". This information is intended for the user,
- preferably the connector label on the device itself.
-
- - .. row 3
-
- - __u32
-
- - ``capability``
-
- - Audio capability flags, see :ref:`audio-capability`.
-
- - .. row 4
-
- - __u32
-
- - ``mode``
-
- - Audio mode flags set by drivers and applications (on
- :ref:`VIDIOC_S_AUDIO <VIDIOC_G_AUDIO>` ioctl), see :ref:`audio-mode`.
-
- - .. row 5
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``index``
+ - Identifies the audio input, set by the driver or application.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the audio input, a NUL-terminated ASCII string, for
+ example: "Line In". This information is intended for the user,
+ preferably the connector label on the device itself.
+ * - __u32
+ - ``capability``
+ - Audio capability flags, see :ref:`audio-capability`.
+ * - __u32
+ - ``mode``
+ - Audio mode flags set by drivers and applications (on
+ :ref:`VIDIOC_S_AUDIO <VIDIOC_G_AUDIO>` ioctl), see :ref:`audio-mode`.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_AUDCAP_STEREO``
-
- - 0x00001
-
- - This is a stereo input. The flag is intended to automatically
- disable stereo recording etc. when the signal is always monaural.
- The API provides no means to detect if stereo is *received*,
- unless the audio input belongs to a tuner.
-
- - .. row 2
-
- - ``V4L2_AUDCAP_AVL``
-
- - 0x00002
-
- - Automatic Volume Level mode is supported.
+ * - ``V4L2_AUDCAP_STEREO``
+ - 0x00001
+ - This is a stereo input. The flag is intended to automatically
+ disable stereo recording etc. when the signal is always monaural.
+ The API provides no means to detect if stereo is *received*,
+ unless the audio input belongs to a tuner.
+ * - ``V4L2_AUDCAP_AVL``
+ - 0x00002
+ - Automatic Volume Level mode is supported.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_AUDMODE_AVL``
-
- - 0x00001
-
- - AVL mode is on.
+ * - ``V4L2_AUDMODE_AVL``
+ - 0x00001
+ - AVL mode is on.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Identifies the audio output, set by the driver or application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the audio output, a NUL-terminated ASCII string, for
- example: "Line Out". This information is intended for the user,
- preferably the connector label on the device itself.
-
- - .. row 3
-
- - __u32
-
- - ``capability``
-
- - Audio capability flags, none defined yet. Drivers must set this
- field to zero.
-
- - .. row 4
-
- - __u32
-
- - ``mode``
-
- - Audio mode, none defined yet. Drivers and applications (on
- ``VIDIOC_S_AUDOUT``) must set this field to zero.
-
- - .. row 5
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``index``
+ - Identifies the audio output, set by the driver or application.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the audio output, a NUL-terminated ASCII string, for
+ example: "Line Out". This information is intended for the user,
+ preferably the connector label on the device itself.
+ * - __u32
+ - ``capability``
+ - Audio capability flags, none defined yet. Drivers must set this
+ field to zero.
+ * - __u32
+ - ``mode``
+ - Audio mode, none defined yet. Drivers and applications (on
+ ``VIDIOC_S_AUDOUT``) must set this field to zero.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of the data stream, set by the application. Only these types
- are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
- ``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
- ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
-
- - .. row 2
-
- - struct :c:type:`v4l2_rect`
-
- - ``c``
-
- - Cropping rectangle. The same co-ordinate system as for struct
- :c:type:`v4l2_cropcap` ``bounds`` is used.
+ * - __u32
+ - ``type``
+ - Type of the data stream, set by the application. Only these types
+ are valid here: ``V4L2_BUF_TYPE_VIDEO_CAPTURE``,
+ ``V4L2_BUF_TYPE_VIDEO_OUTPUT`` and
+ ``V4L2_BUF_TYPE_VIDEO_OVERLAY``. See :c:type:`v4l2_buf_type`.
+ * - struct :c:type:`v4l2_rect`
+ - ``c``
+ - Cropping rectangle. The same co-ordinate system as for struct
+ :c:type:`v4l2_cropcap` ``bounds`` is used.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``id``
-
- - Identifies the control, set by the application.
-
- - .. row 2
-
- - __s32
-
- - ``value``
-
- - New value or current value.
+ * - __u32
+ - ``id``
+ - Identifies the control, set by the application.
+ * - __s32
+ - ``value``
+ - New value or current value.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``width``
-
- - Width of the active video in pixels.
-
- - .. row 2
-
- - __u32
-
- - ``height``
-
- - Height of the active video frame in lines. So for interlaced
- formats the height of the active video in each field is
- ``height``/2.
-
- - .. row 3
-
- - __u32
-
- - ``interlaced``
-
- - Progressive (``V4L2_DV_PROGRESSIVE``) or interlaced (``V4L2_DV_INTERLACED``).
-
- - .. row 4
-
- - __u32
-
- - ``polarities``
-
- - This is a bit mask that defines polarities of sync signals. bit 0
- (``V4L2_DV_VSYNC_POS_POL``) is for vertical sync polarity and bit
- 1 (``V4L2_DV_HSYNC_POS_POL``) is for horizontal sync polarity. If
- the bit is set (1) it is positive polarity and if is cleared (0),
- it is negative polarity.
-
- - .. row 5
-
- - __u64
-
- - ``pixelclock``
-
- - Pixel clock in Hz. Ex. 74.25MHz->74250000
-
- - .. row 6
-
- - __u32
-
- - ``hfrontporch``
-
- - Horizontal front porch in pixels
-
- - .. row 7
-
- - __u32
-
- - ``hsync``
-
- - Horizontal sync length in pixels
-
- - .. row 8
-
- - __u32
-
- - ``hbackporch``
-
- - Horizontal back porch in pixels
-
- - .. row 9
-
- - __u32
-
- - ``vfrontporch``
-
- - Vertical front porch in lines. For interlaced formats this refers
- to the odd field (aka field 1).
-
- - .. row 10
-
- - __u32
-
- - ``vsync``
-
- - Vertical sync length in lines. For interlaced formats this refers
- to the odd field (aka field 1).
-
- - .. row 11
-
- - __u32
-
- - ``vbackporch``
-
- - Vertical back porch in lines. For interlaced formats this refers
- to the odd field (aka field 1).
-
- - .. row 12
-
- - __u32
-
- - ``il_vfrontporch``
-
- - Vertical front porch in lines for the even field (aka field 2) of
- interlaced field formats. Must be 0 for progressive formats.
-
- - .. row 13
-
- - __u32
-
- - ``il_vsync``
-
- - Vertical sync length in lines for the even field (aka field 2) of
- interlaced field formats. Must be 0 for progressive formats.
-
- - .. row 14
-
- - __u32
-
- - ``il_vbackporch``
-
- - Vertical back porch in lines for the even field (aka field 2) of
- interlaced field formats. Must be 0 for progressive formats.
-
- - .. row 15
-
- - __u32
-
- - ``standards``
-
- - The video standard(s) this format belongs to. This will be filled
- in by the driver. Applications must set this to 0. See
- :ref:`dv-bt-standards` for a list of standards.
-
- - .. row 16
-
- - __u32
-
- - ``flags``
-
- - Several flags giving more information about the format. See
- :ref:`dv-bt-flags` for a description of the flags.
-
- - .. row 17
-
- - __u32
-
- - ``reserved[14]``
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``width``
+ - Width of the active video in pixels.
+ * - __u32
+ - ``height``
+ - Height of the active video frame in lines. So for interlaced
+ formats the height of the active video in each field is
+ ``height``/2.
+ * - __u32
+ - ``interlaced``
+ - Progressive (``V4L2_DV_PROGRESSIVE``) or interlaced (``V4L2_DV_INTERLACED``).
+ * - __u32
+ - ``polarities``
+ - This is a bit mask that defines polarities of sync signals. bit 0
+ (``V4L2_DV_VSYNC_POS_POL``) is for vertical sync polarity and bit
+ 1 (``V4L2_DV_HSYNC_POS_POL``) is for horizontal sync polarity. If
+ the bit is set (1) it is positive polarity and if is cleared (0),
+ it is negative polarity.
+ * - __u64
+ - ``pixelclock``
+ - Pixel clock in Hz. Ex. 74.25MHz->74250000
+ * - __u32
+ - ``hfrontporch``
+ - Horizontal front porch in pixels
+ * - __u32
+ - ``hsync``
+ - Horizontal sync length in pixels
+ * - __u32
+ - ``hbackporch``
+ - Horizontal back porch in pixels
+ * - __u32
+ - ``vfrontporch``
+ - Vertical front porch in lines. For interlaced formats this refers
+ to the odd field (aka field 1).
+ * - __u32
+ - ``vsync``
+ - Vertical sync length in lines. For interlaced formats this refers
+ to the odd field (aka field 1).
+ * - __u32
+ - ``vbackporch``
+ - Vertical back porch in lines. For interlaced formats this refers
+ to the odd field (aka field 1).
+ * - __u32
+ - ``il_vfrontporch``
+ - Vertical front porch in lines for the even field (aka field 2) of
+ interlaced field formats. Must be 0 for progressive formats.
+ * - __u32
+ - ``il_vsync``
+ - Vertical sync length in lines for the even field (aka field 2) of
+ interlaced field formats. Must be 0 for progressive formats.
+ * - __u32
+ - ``il_vbackporch``
+ - Vertical back porch in lines for the even field (aka field 2) of
+ interlaced field formats. Must be 0 for progressive formats.
+ * - __u32
+ - ``standards``
+ - The video standard(s) this format belongs to. This will be filled
+ in by the driver. Applications must set this to 0. See
+ :ref:`dv-bt-standards` for a list of standards.
+ * - __u32
+ - ``flags``
+ - Several flags giving more information about the format. See
+ :ref:`dv-bt-flags` for a description of the flags.
+ * - __u32
+ - ``reserved[14]``
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
.. tabularcolumns:: |p{3.5cm}|p{3.5cm}|p{7.0cm}|p{3.5cm}|
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- -
- - Type of DV timings as listed in :ref:`dv-timing-types`.
-
- - .. row 2
-
- - union
-
- -
- -
-
- - .. row 3
-
- -
- - struct :c:type:`v4l2_bt_timings`
-
- - ``bt``
-
- - Timings defined by BT.656/1120 specifications
-
- - .. row 4
-
- -
- - __u32
-
- - ``reserved``\ [32]
-
- -
+ * - __u32
+ - ``type``
+ -
+ - Type of DV timings as listed in :ref:`dv-timing-types`.
+ * - union
+ -
+ -
+ * -
+ - struct :c:type:`v4l2_bt_timings`
+ - ``bt``
+ - Timings defined by BT.656/1120 specifications
+ * -
+ - __u32
+ - ``reserved``\ [32]
+ -
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - Timing type
-
- - value
-
- - Description
-
- - .. row 2
-
- -
- -
- -
-
- - .. row 3
-
- - ``V4L2_DV_BT_656_1120``
-
- - 0
-
- - BT.656/1120 timings
+ * - Timing type
+ - value
+ - Description
+ * -
+ -
+ -
+ * - ``V4L2_DV_BT_656_1120``
+ - 0
+ - BT.656/1120 timings
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Timing standard
-
- - Description
-
- - .. row 3
-
- - ``V4L2_DV_BT_STD_CEA861``
-
- - The timings follow the CEA-861 Digital TV Profile standard
-
- - .. row 4
-
- - ``V4L2_DV_BT_STD_DMT``
-
- - The timings follow the VESA Discrete Monitor Timings standard
-
- - .. row 5
-
- - ``V4L2_DV_BT_STD_CVT``
-
- - The timings follow the VESA Coordinated Video Timings standard
-
- - .. row 6
-
- - ``V4L2_DV_BT_STD_GTF``
-
- - The timings follow the VESA Generalized Timings Formula standard
-
- - .. row 7
-
- - ``V4L2_DV_BT_STD_SDI``
-
- - The timings follow the SDI Timings standard.
- There are no horizontal syncs/porches at all in this format.
- Total blanking timings must be set in hsync or vsync fields only.
+ * - Timing standard
+ - Description
+ * - ``V4L2_DV_BT_STD_CEA861``
+ - The timings follow the CEA-861 Digital TV Profile standard
+ * - ``V4L2_DV_BT_STD_DMT``
+ - The timings follow the VESA Discrete Monitor Timings standard
+ * - ``V4L2_DV_BT_STD_CVT``
+ - The timings follow the VESA Coordinated Video Timings standard
+ * - ``V4L2_DV_BT_STD_GTF``
+ - The timings follow the VESA Generalized Timings Formula standard
+ * - ``V4L2_DV_BT_STD_SDI``
+ - The timings follow the SDI Timings standard.
+ There are no horizontal syncs/porches at all in this format.
+ Total blanking timings must be set in hsync or vsync fields only.
.. tabularcolumns:: |p{6.0cm}|p{11.5cm}|
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - Flag
-
- - Description
-
- - .. row 3
-
- - ``V4L2_DV_FL_REDUCED_BLANKING``
-
- - CVT/GTF specific: the timings use reduced blanking (CVT) or the
- 'Secondary GTF' curve (GTF). In both cases the horizontal and/or
- vertical blanking intervals are reduced, allowing a higher
- resolution over the same bandwidth. This is a read-only flag,
- applications must not set this.
-
- - .. row 4
-
- - ``V4L2_DV_FL_CAN_REDUCE_FPS``
-
- - CEA-861 specific: set for CEA-861 formats with a framerate that is
- a multiple of six. These formats can be optionally played at 1 /
- 1.001 speed to be compatible with 60 Hz based standards such as
- NTSC and PAL-M that use a framerate of 29.97 frames per second. If
- the transmitter can't generate such frequencies, then the flag
- will also be cleared. This is a read-only flag, applications must
- not set this.
-
- - .. row 5
-
- - ``V4L2_DV_FL_REDUCED_FPS``
-
- - CEA-861 specific: only valid for video transmitters, the flag is
- cleared by receivers. It is also only valid for formats with the
- ``V4L2_DV_FL_CAN_REDUCE_FPS`` flag set, for other formats the
- flag will be cleared by the driver. If the application sets this
- flag, then the pixelclock used to set up the transmitter is
- divided by 1.001 to make it compatible with NTSC framerates. If
- the transmitter can't generate such frequencies, then the flag
- will also be cleared.
-
- - .. row 6
-
- - ``V4L2_DV_FL_HALF_LINE``
-
- - Specific to interlaced formats: if set, then the vertical
- frontporch of field 1 (aka the odd field) is really one half-line
- longer and the vertical backporch of field 2 (aka the even field)
- is really one half-line shorter, so each field has exactly the
- same number of half-lines. Whether half-lines can be detected or
- used depends on the hardware.
-
- - .. row 7
-
- - ``V4L2_DV_FL_IS_CE_VIDEO``
-
- - If set, then this is a Consumer Electronics (CE) video format.
- Such formats differ from other formats (commonly called IT
- formats) in that if R'G'B' encoding is used then by default the
- R'G'B' values use limited range (i.e. 16-235) as opposed to full
- range (i.e. 0-255). All formats defined in CEA-861 except for the
- 640x480p59.94 format are CE formats.
-
- - .. row 8
-
- - ``V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE``
-
- - Some formats like SMPTE-125M have an interlaced signal with a odd
- total height. For these formats, if this flag is set, the first
- field has the extra line. Else, it is the second field.
+ * - Flag
+ - Description
+ * - ``V4L2_DV_FL_REDUCED_BLANKING``
+ - CVT/GTF specific: the timings use reduced blanking (CVT) or the
+ 'Secondary GTF' curve (GTF). In both cases the horizontal and/or
+ vertical blanking intervals are reduced, allowing a higher
+ resolution over the same bandwidth. This is a read-only flag,
+ applications must not set this.
+ * - ``V4L2_DV_FL_CAN_REDUCE_FPS``
+ - CEA-861 specific: set for CEA-861 formats with a framerate that is
+ a multiple of six. These formats can be optionally played at 1 /
+ 1.001 speed to be compatible with 60 Hz based standards such as
+ NTSC and PAL-M that use a framerate of 29.97 frames per second. If
+ the transmitter can't generate such frequencies, then the flag
+ will also be cleared. This is a read-only flag, applications must
+ not set this.
+ * - ``V4L2_DV_FL_REDUCED_FPS``
+ - CEA-861 specific: only valid for video transmitters, the flag is
+ cleared by receivers. It is also only valid for formats with the
+ ``V4L2_DV_FL_CAN_REDUCE_FPS`` flag set, for other formats the
+ flag will be cleared by the driver. If the application sets this
+ flag, then the pixelclock used to set up the transmitter is
+ divided by 1.001 to make it compatible with NTSC framerates. If
+ the transmitter can't generate such frequencies, then the flag
+ will also be cleared.
+ * - ``V4L2_DV_FL_HALF_LINE``
+ - Specific to interlaced formats: if set, then the vertical
+ frontporch of field 1 (aka the odd field) is really one half-line
+ longer and the vertical backporch of field 2 (aka the even field)
+ is really one half-line shorter, so each field has exactly the
+ same number of half-lines. Whether half-lines can be detected or
+ used depends on the hardware.
+ * - ``V4L2_DV_FL_IS_CE_VIDEO``
+ - If set, then this is a Consumer Electronics (CE) video format.
+ Such formats differ from other formats (commonly called IT
+ formats) in that if R'G'B' encoding is used then by default the
+ R'G'B' values use limited range (i.e. 16-235) as opposed to full
+ range (i.e. 0-255). All formats defined in CEA-861 except for the
+ 640x480p59.94 format are CE formats.
+ * - ``V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE``
+ - Some formats like SMPTE-125M have an interlaced signal with a odd
+ total height. For these formats, if this flag is set, the first
+ field has the extra line. Else, it is the second field.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pad``
-
- - Pad for which to get/set the EDID blocks. When used with a video
- device node the pad represents the input or output index as
- returned by :ref:`VIDIOC_ENUMINPUT` and
- :ref:`VIDIOC_ENUMOUTPUT` respectively.
-
- - .. row 2
-
- - __u32
-
- - ``start_block``
-
- - Read the EDID from starting with this block. Must be 0 when
- setting the EDID.
-
- - .. row 3
-
- - __u32
-
- - ``blocks``
-
- - The number of blocks to get or set. Must be less or equal to 256
- (the maximum number of blocks as defined by the standard). When
- you set the EDID and ``blocks`` is 0, then the EDID is disabled or
- erased.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [5]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
-
- - .. row 5
-
- - __u8 *
-
- - ``edid``
-
- - Pointer to memory that contains the EDID. The minimum size is
- ``blocks`` * 128.
+ * - __u32
+ - ``pad``
+ - Pad for which to get/set the EDID blocks. When used with a video
+ device node the pad represents the input or output index as
+ returned by :ref:`VIDIOC_ENUMINPUT` and
+ :ref:`VIDIOC_ENUMOUTPUT` respectively.
+ * - __u32
+ - ``start_block``
+ - Read the EDID from starting with this block. Must be 0 when
+ setting the EDID.
+ * - __u32
+ - ``blocks``
+ - The number of blocks to get or set. Must be less or equal to 256
+ (the maximum number of blocks as defined by the standard). When
+ you set the EDID and ``blocks`` is 0, then the EDID is disabled or
+ erased.
+ * - __u32
+ - ``reserved``\ [5]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
+ * - __u8 *
+ - ``edid``
+ - Pointer to memory that contains the EDID. The minimum size is
+ ``blocks`` * 128.
Return Value
:stub-columns: 0
:widths: 1 3 8
-
- - .. row 1
-
- - __u32
-
- - ``entries``
-
- - The number of entries the driver stored in the ``entry`` array.
-
- - .. row 2
-
- - __u32
-
- - ``entries_cap``
-
- - The number of entries the driver can buffer. Must be greater than
- zero.
-
- - .. row 3
-
- - __u32
-
- - ``reserved``\ [4]
-
- - Reserved for future extensions. Drivers must set the
- array to zero.
-
- - .. row 4
-
- - struct :c:type:`v4l2_enc_idx_entry`
-
- - ``entry``\ [``V4L2_ENC_IDX_ENTRIES``]
-
- - Meta data about a compressed video stream. Each element of the
- array corresponds to one picture, sorted in ascending order by
- their ``offset``.
+ * - __u32
+ - ``entries``
+ - The number of entries the driver stored in the ``entry`` array.
+ * - __u32
+ - ``entries_cap``
+ - The number of entries the driver can buffer. Must be greater than
+ zero.
+ * - __u32
+ - ``reserved``\ [4]
+ - Reserved for future extensions. Drivers must set the
+ array to zero.
+ * - struct :c:type:`v4l2_enc_idx_entry`
+ - ``entry``\ [``V4L2_ENC_IDX_ENTRIES``]
+ - Meta data about a compressed video stream. Each element of the
+ array corresponds to one picture, sorted in ascending order by
+ their ``offset``.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u64
-
- - ``offset``
-
- - The offset in bytes from the beginning of the compressed video
- stream to the beginning of this picture, that is a *PES packet
- header* as defined in :ref:`mpeg2part1` or a *picture header* as
- defined in :ref:`mpeg2part2`. When the encoder is stopped, the
- driver resets the offset to zero.
-
- - .. row 2
-
- - __u64
-
- - ``pts``
-
- - The 33 bit *Presentation Time Stamp* of this picture as defined in
- :ref:`mpeg2part1`.
-
- - .. row 3
-
- - __u32
-
- - ``length``
-
- - The length of this picture in bytes.
-
- - .. row 4
-
- - __u32
-
- - ``flags``
-
- - Flags containing the coding type of this picture, see
- :ref:`enc-idx-flags`.
-
- - .. row 5
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u64
+ - ``offset``
+ - The offset in bytes from the beginning of the compressed video
+ stream to the beginning of this picture, that is a *PES packet
+ header* as defined in :ref:`mpeg2part1` or a *picture header* as
+ defined in :ref:`mpeg2part2`. When the encoder is stopped, the
+ driver resets the offset to zero.
+ * - __u64
+ - ``pts``
+ - The 33 bit *Presentation Time Stamp* of this picture as defined in
+ :ref:`mpeg2part1`.
+ * - __u32
+ - ``length``
+ - The length of this picture in bytes.
+ * - __u32
+ - ``flags``
+ - Flags containing the coding type of this picture, see
+ :ref:`enc-idx-flags`.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_ENC_IDX_FRAME_I``
-
- - 0x00
-
- - This is an Intra-coded picture.
-
- - .. row 2
-
- - ``V4L2_ENC_IDX_FRAME_P``
-
- - 0x01
-
- - This is a Predictive-coded picture.
-
- - .. row 3
-
- - ``V4L2_ENC_IDX_FRAME_B``
-
- - 0x02
-
- - This is a Bidirectionally predictive-coded picture.
-
- - .. row 4
-
- - ``V4L2_ENC_IDX_FRAME_MASK``
-
- - 0x0F
-
- - *AND* the flags field with this mask to obtain the picture coding
- type.
+ * - ``V4L2_ENC_IDX_FRAME_I``
+ - 0x00
+ - This is an Intra-coded picture.
+ * - ``V4L2_ENC_IDX_FRAME_P``
+ - 0x01
+ - This is a Predictive-coded picture.
+ * - ``V4L2_ENC_IDX_FRAME_B``
+ - 0x02
+ - This is a Bidirectionally predictive-coded picture.
+ * - ``V4L2_ENC_IDX_FRAME_MASK``
+ - 0x0F
+ - *AND* the flags field with this mask to obtain the picture coding
+ type.
Return Value
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``id``
-
- -
- - Identifies the control, set by the application.
-
- - .. row 2
-
- - __u32
-
- - ``size``
-
- -
- - The total size in bytes of the payload of this control. This is
- normally 0, but for pointer controls this should be set to the
- size of the memory containing the payload, or that will receive
- the payload. If :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` finds that this value is
- less than is required to store the payload result, then it is set
- to a value large enough to store the payload result and ``ENOSPC`` is
- returned.
-
- .. note::
-
- For string controls, this ``size`` field should
- not be confused with the length of the string. This field refers
- to the size of the memory that contains the string. The actual
- *length* of the string may well be much smaller.
-
- - .. row 3
-
- - __u32
-
- - ``reserved2``\ [1]
-
- -
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
-
- - .. row 4
-
- - union
-
- - (anonymous)
-
- - .. row 5
-
- -
- - __s32
-
- - ``value``
-
- - New value or current value. Valid if this control is not of type
- ``V4L2_CTRL_TYPE_INTEGER64`` and ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is
- not set.
-
- - .. row 6
-
- -
- - __s64
-
- - ``value64``
-
- - New value or current value. Valid if this control is of type
- ``V4L2_CTRL_TYPE_INTEGER64`` and ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is
- not set.
-
- - .. row 7
-
- -
- - char *
-
- - ``string``
-
- - A pointer to a string. Valid if this control is of type
- ``V4L2_CTRL_TYPE_STRING``.
-
- - .. row 8
-
- -
- - __u8 *
-
- - ``p_u8``
-
- - A pointer to a matrix control of unsigned 8-bit values. Valid if
- this control is of type ``V4L2_CTRL_TYPE_U8``.
-
- - .. row 9
-
- -
- - __u16 *
-
- - ``p_u16``
-
- - A pointer to a matrix control of unsigned 16-bit values. Valid if
- this control is of type ``V4L2_CTRL_TYPE_U16``.
-
- - .. row 10
-
- -
- - __u32 *
-
- - ``p_u32``
-
- - A pointer to a matrix control of unsigned 32-bit values. Valid if
- this control is of type ``V4L2_CTRL_TYPE_U32``.
-
- - .. row 11
-
- -
- - void *
-
- - ``ptr``
-
- - A pointer to a compound type which can be an N-dimensional array
- and/or a compound type (the control's type is >=
- ``V4L2_CTRL_COMPOUND_TYPES``). Valid if
- ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is set for this control.
+ * - __u32
+ - ``id``
+ -
+ - Identifies the control, set by the application.
+ * - __u32
+ - ``size``
+ -
+ - The total size in bytes of the payload of this control. This is
+ normally 0, but for pointer controls this should be set to the
+ size of the memory containing the payload, or that will receive
+ the payload. If :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` finds that this value is
+ less than is required to store the payload result, then it is set
+ to a value large enough to store the payload result and ``ENOSPC`` is
+ returned.
+
+ .. note::
+
+ For string controls, this ``size`` field should
+ not be confused with the length of the string. This field refers
+ to the size of the memory that contains the string. The actual
+ *length* of the string may well be much smaller.
+ * - __u32
+ - ``reserved2``\ [1]
+ -
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
+ * - union
+ - (anonymous)
+ * -
+ - __s32
+ - ``value``
+ - New value or current value. Valid if this control is not of type
+ ``V4L2_CTRL_TYPE_INTEGER64`` and ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is
+ not set.
+ * -
+ - __s64
+ - ``value64``
+ - New value or current value. Valid if this control is of type
+ ``V4L2_CTRL_TYPE_INTEGER64`` and ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is
+ not set.
+ * -
+ - char *
+ - ``string``
+ - A pointer to a string. Valid if this control is of type
+ ``V4L2_CTRL_TYPE_STRING``.
+ * -
+ - __u8 *
+ - ``p_u8``
+ - A pointer to a matrix control of unsigned 8-bit values. Valid if
+ this control is of type ``V4L2_CTRL_TYPE_U8``.
+ * -
+ - __u16 *
+ - ``p_u16``
+ - A pointer to a matrix control of unsigned 16-bit values. Valid if
+ this control is of type ``V4L2_CTRL_TYPE_U16``.
+ * -
+ - __u32 *
+ - ``p_u32``
+ - A pointer to a matrix control of unsigned 32-bit values. Valid if
+ this control is of type ``V4L2_CTRL_TYPE_U32``.
+ * -
+ - void *
+ - ``ptr``
+ - A pointer to a compound type which can be an N-dimensional array
+ and/or a compound type (the control's type is >=
+ ``V4L2_CTRL_COMPOUND_TYPES``). Valid if
+ ``V4L2_CTRL_FLAG_HAS_PAYLOAD`` is set for this control.
.. tabularcolumns:: |p{4.0cm}|p{2.0cm}|p{2.0cm}|p{8.5cm}|
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - union
-
- - (anonymous)
-
- - .. row 2
-
- -
- - __u32
-
- - ``ctrl_class``
-
- - The control class to which all controls belong, see
- :ref:`ctrl-class`. Drivers that use a kernel framework for
- handling controls will also accept a value of 0 here, meaning that
- the controls can belong to any control class. Whether drivers
- support this can be tested by setting ``ctrl_class`` to 0 and
- calling :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` with a ``count`` of 0. If that
- succeeds, then the driver supports this feature.
-
- - .. row 3
-
- -
- - __u32
-
- - ``which``
-
- - Which value of the control to get/set/try.
- ``V4L2_CTRL_WHICH_CUR_VAL`` will return the current value of the
- control and ``V4L2_CTRL_WHICH_DEF_VAL`` will return the default
- value of the control.
-
- .. note::
-
- You can only get the default value of the control,
- you cannot set or try it.
-
- For backwards compatibility you can also use a control class here
- (see :ref:`ctrl-class`). In that case all controls have to
- belong to that control class. This usage is deprecated, instead
- just use ``V4L2_CTRL_WHICH_CUR_VAL``. There are some very old
- drivers that do not yet support ``V4L2_CTRL_WHICH_CUR_VAL`` and
- that require a control class here. You can test for such drivers
- by setting ctrl_class to ``V4L2_CTRL_WHICH_CUR_VAL`` and calling
- VIDIOC_TRY_EXT_CTRLS with a count of 0. If that fails, then the
- driver does not support ``V4L2_CTRL_WHICH_CUR_VAL``.
-
- - .. row 4
-
- - __u32
-
- - ``count``
-
- - The number of controls in the controls array. May also be zero.
-
- - .. row 5
-
- - __u32
-
- - ``error_idx``
-
- - Set by the driver in case of an error. If the error is associated
- with a particular control, then ``error_idx`` is set to the index
- of that control. If the error is not related to a specific
- control, or the validation step failed (see below), then
- ``error_idx`` is set to ``count``. The value is undefined if the
- ioctl returned 0 (success).
-
- Before controls are read from/written to hardware a validation
- step takes place: this checks if all controls in the list are
- valid controls, if no attempt is made to write to a read-only
- control or read from a write-only control, and any other up-front
- checks that can be done without accessing the hardware. The exact
- validations done during this step are driver dependent since some
- checks might require hardware access for some devices, thus making
- it impossible to do those checks up-front. However, drivers should
- make a best-effort to do as many up-front checks as possible.
-
- This check is done to avoid leaving the hardware in an
- inconsistent state due to easy-to-avoid problems. But it leads to
- another problem: the application needs to know whether an error
- came from the validation step (meaning that the hardware was not
- touched) or from an error during the actual reading from/writing
- to hardware.
-
- The, in hindsight quite poor, solution for that is to set
- ``error_idx`` to ``count`` if the validation failed. This has the
- unfortunate side-effect that it is not possible to see which
- control failed the validation. If the validation was successful
- and the error happened while accessing the hardware, then
- ``error_idx`` is less than ``count`` and only the controls up to
- ``error_idx-1`` were read or written correctly, and the state of
- the remaining controls is undefined.
-
- Since :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` does not access hardware there is
- also no need to handle the validation step in this special way, so
- ``error_idx`` will just be set to the control that failed the
- validation step instead of to ``count``. This means that if
- :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` fails with ``error_idx`` set to ``count``,
- then you can call :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` to try to discover the
- actual control that failed the validation step. Unfortunately,
- there is no ``TRY`` equivalent for :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>`.
-
- - .. row 6
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions.
-
- Drivers and applications must set the array to zero.
-
- - .. row 7
-
- - struct :c:type:`v4l2_ext_control` *
-
- - ``controls``
-
- - Pointer to an array of ``count`` v4l2_ext_control structures.
-
- Ignored if ``count`` equals zero.
+ * - union
+ - (anonymous)
+ * -
+ - __u32
+ - ``ctrl_class``
+ - The control class to which all controls belong, see
+ :ref:`ctrl-class`. Drivers that use a kernel framework for
+ handling controls will also accept a value of 0 here, meaning that
+ the controls can belong to any control class. Whether drivers
+ support this can be tested by setting ``ctrl_class`` to 0 and
+ calling :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` with a ``count`` of 0. If that
+ succeeds, then the driver supports this feature.
+ * -
+ - __u32
+ - ``which``
+ - Which value of the control to get/set/try.
+ ``V4L2_CTRL_WHICH_CUR_VAL`` will return the current value of the
+ control and ``V4L2_CTRL_WHICH_DEF_VAL`` will return the default
+ value of the control.
+
+ .. note::
+
+ You can only get the default value of the control,
+ you cannot set or try it.
+
+ For backwards compatibility you can also use a control class here
+ (see :ref:`ctrl-class`). In that case all controls have to
+ belong to that control class. This usage is deprecated, instead
+ just use ``V4L2_CTRL_WHICH_CUR_VAL``. There are some very old
+ drivers that do not yet support ``V4L2_CTRL_WHICH_CUR_VAL`` and
+ that require a control class here. You can test for such drivers
+ by setting ctrl_class to ``V4L2_CTRL_WHICH_CUR_VAL`` and calling
+ VIDIOC_TRY_EXT_CTRLS with a count of 0. If that fails, then the
+ driver does not support ``V4L2_CTRL_WHICH_CUR_VAL``.
+ * - __u32
+ - ``count``
+ - The number of controls in the controls array. May also be zero.
+ * - __u32
+ - ``error_idx``
+ - Set by the driver in case of an error. If the error is associated
+ with a particular control, then ``error_idx`` is set to the index
+ of that control. If the error is not related to a specific
+ control, or the validation step failed (see below), then
+ ``error_idx`` is set to ``count``. The value is undefined if the
+ ioctl returned 0 (success).
+
+ Before controls are read from/written to hardware a validation
+ step takes place: this checks if all controls in the list are
+ valid controls, if no attempt is made to write to a read-only
+ control or read from a write-only control, and any other up-front
+ checks that can be done without accessing the hardware. The exact
+ validations done during this step are driver dependent since some
+ checks might require hardware access for some devices, thus making
+ it impossible to do those checks up-front. However, drivers should
+ make a best-effort to do as many up-front checks as possible.
+
+ This check is done to avoid leaving the hardware in an
+ inconsistent state due to easy-to-avoid problems. But it leads to
+ another problem: the application needs to know whether an error
+ came from the validation step (meaning that the hardware was not
+ touched) or from an error during the actual reading from/writing
+ to hardware.
+
+ The, in hindsight quite poor, solution for that is to set
+ ``error_idx`` to ``count`` if the validation failed. This has the
+ unfortunate side-effect that it is not possible to see which
+ control failed the validation. If the validation was successful
+ and the error happened while accessing the hardware, then
+ ``error_idx`` is less than ``count`` and only the controls up to
+ ``error_idx-1`` were read or written correctly, and the state of
+ the remaining controls is undefined.
+
+ Since :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` does not access hardware there is
+ also no need to handle the validation step in this special way, so
+ ``error_idx`` will just be set to the control that failed the
+ validation step instead of to ``count``. This means that if
+ :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` fails with ``error_idx`` set to ``count``,
+ then you can call :ref:`VIDIOC_TRY_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` to try to discover the
+ actual control that failed the validation step. Unfortunately,
+ there is no ``TRY`` equivalent for :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>`.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions.
+
+ Drivers and applications must set the array to zero.
+ * - struct :c:type:`v4l2_ext_control` *
+ - ``controls``
+ - Pointer to an array of ``count`` v4l2_ext_control structures.
+
+ Ignored if ``count`` equals zero.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_CTRL_CLASS_USER``
-
- - 0x980000
-
- - The class containing user controls. These controls are described
- in :ref:`control`. All controls that can be set using the
- :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` and
- :ref:`VIDIOC_G_CTRL <VIDIOC_G_CTRL>` ioctl belong to this
- class.
-
- - .. row 2
-
- - ``V4L2_CTRL_CLASS_MPEG``
-
- - 0x990000
-
- - The class containing MPEG compression controls. These controls are
- described in :ref:`mpeg-controls`.
-
- - .. row 3
-
- - ``V4L2_CTRL_CLASS_CAMERA``
-
- - 0x9a0000
-
- - The class containing camera controls. These controls are described
- in :ref:`camera-controls`.
-
- - .. row 4
-
- - ``V4L2_CTRL_CLASS_FM_TX``
-
- - 0x9b0000
-
- - The class containing FM Transmitter (FM TX) controls. These
- controls are described in :ref:`fm-tx-controls`.
-
- - .. row 5
-
- - ``V4L2_CTRL_CLASS_FLASH``
-
- - 0x9c0000
-
- - The class containing flash device controls. These controls are
- described in :ref:`flash-controls`.
-
- - .. row 6
-
- - ``V4L2_CTRL_CLASS_JPEG``
-
- - 0x9d0000
-
- - The class containing JPEG compression controls. These controls are
- described in :ref:`jpeg-controls`.
-
- - .. row 7
-
- - ``V4L2_CTRL_CLASS_IMAGE_SOURCE``
-
- - 0x9e0000
-
- - The class containing image source controls. These controls are
- described in :ref:`image-source-controls`.
-
- - .. row 8
-
- - ``V4L2_CTRL_CLASS_IMAGE_PROC``
-
- - 0x9f0000
-
- - The class containing image processing controls. These controls are
- described in :ref:`image-process-controls`.
-
- - .. row 9
-
- - ``V4L2_CTRL_CLASS_FM_RX``
-
- - 0xa10000
-
- - The class containing FM Receiver (FM RX) controls. These controls
- are described in :ref:`fm-rx-controls`.
-
- - .. row 10
-
- - ``V4L2_CTRL_CLASS_RF_TUNER``
-
- - 0xa20000
-
- - The class containing RF tuner controls. These controls are
- described in :ref:`rf-tuner-controls`.
+ * - ``V4L2_CTRL_CLASS_USER``
+ - 0x980000
+ - The class containing user controls. These controls are described
+ in :ref:`control`. All controls that can be set using the
+ :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` and
+ :ref:`VIDIOC_G_CTRL <VIDIOC_G_CTRL>` ioctl belong to this
+ class.
+ * - ``V4L2_CTRL_CLASS_MPEG``
+ - 0x990000
+ - The class containing MPEG compression controls. These controls are
+ described in :ref:`mpeg-controls`.
+ * - ``V4L2_CTRL_CLASS_CAMERA``
+ - 0x9a0000
+ - The class containing camera controls. These controls are described
+ in :ref:`camera-controls`.
+ * - ``V4L2_CTRL_CLASS_FM_TX``
+ - 0x9b0000
+ - The class containing FM Transmitter (FM TX) controls. These
+ controls are described in :ref:`fm-tx-controls`.
+ * - ``V4L2_CTRL_CLASS_FLASH``
+ - 0x9c0000
+ - The class containing flash device controls. These controls are
+ described in :ref:`flash-controls`.
+ * - ``V4L2_CTRL_CLASS_JPEG``
+ - 0x9d0000
+ - The class containing JPEG compression controls. These controls are
+ described in :ref:`jpeg-controls`.
+ * - ``V4L2_CTRL_CLASS_IMAGE_SOURCE``
+ - 0x9e0000
+ - The class containing image source controls. These controls are
+ described in :ref:`image-source-controls`.
+ * - ``V4L2_CTRL_CLASS_IMAGE_PROC``
+ - 0x9f0000
+ - The class containing image processing controls. These controls are
+ described in :ref:`image-process-controls`.
+ * - ``V4L2_CTRL_CLASS_FM_RX``
+ - 0xa10000
+ - The class containing FM Receiver (FM RX) controls. These controls
+ are described in :ref:`fm-rx-controls`.
+ * - ``V4L2_CTRL_CLASS_RF_TUNER``
+ - 0xa20000
+ - The class containing RF tuner controls. These controls are
+ described in :ref:`rf-tuner-controls`.
Return Value
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``capability``
-
- -
- - Overlay capability flags set by the driver, see
- :ref:`framebuffer-cap`.
-
- - .. row 2
-
- - __u32
-
- - ``flags``
-
- -
- - Overlay control flags set by application and driver, see
- :ref:`framebuffer-flags`
-
- - .. row 3
-
- - void *
-
- - ``base``
-
- -
- - Physical base address of the framebuffer, that is the address of
- the pixel in the top left corner of the framebuffer. [#f1]_
-
- - .. row 4
-
- -
- -
- -
- - This field is irrelevant to *non-destructive Video Overlays*. For
- *destructive Video Overlays* applications must provide a base
- address. The driver may accept only base addresses which are a
- multiple of two, four or eight bytes. For *Video Output Overlays*
- the driver must return a valid base address, so applications can
- find the corresponding Linux framebuffer device (see
- :ref:`osd`).
-
- - .. row 5
-
- - struct
-
- - ``fmt``
-
- -
- - Layout of the frame buffer.
-
- - .. row 6
-
- -
- - __u32
-
- - ``width``
-
- - Width of the frame buffer in pixels.
-
- - .. row 7
-
- -
- - __u32
-
- - ``height``
-
- - Height of the frame buffer in pixels.
-
- - .. row 8
-
- -
- - __u32
-
- - ``pixelformat``
-
- - The pixel format of the framebuffer.
-
- - .. row 9
-
- -
- -
- -
- - For *non-destructive Video Overlays* this field only defines a
- format for the struct :c:type:`v4l2_window`
- ``chromakey`` field.
-
- - .. row 10
-
- -
- -
- -
- - For *destructive Video Overlays* applications must initialize this
- field. For *Video Output Overlays* the driver must return a valid
- format.
-
- - .. row 11
-
- -
- -
- -
- - Usually this is an RGB format (for example
- :ref:`V4L2_PIX_FMT_RGB565 <V4L2-PIX-FMT-RGB565>`) but YUV
- formats (only packed YUV formats when chroma keying is used, not
- including ``V4L2_PIX_FMT_YUYV`` and ``V4L2_PIX_FMT_UYVY``) and the
- ``V4L2_PIX_FMT_PAL8`` format are also permitted. The behavior of
- the driver when an application requests a compressed format is
- undefined. See :ref:`pixfmt` for information on pixel formats.
-
- - .. row 12
-
- -
- - enum :c:type:`v4l2_field`
-
- - ``field``
-
- - Drivers and applications shall ignore this field. If applicable,
- the field order is selected with the
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, using the ``field``
- field of struct :c:type:`v4l2_window`.
-
- - .. row 13
-
- -
- - __u32
-
- - ``bytesperline``
-
- - Distance in bytes between the leftmost pixels in two adjacent
- lines.
-
- - .. row 14
-
- - :cspan:`3`
-
- This field is irrelevant to *non-destructive Video Overlays*.
-
- For *destructive Video Overlays* both applications and drivers can
- set this field to request padding bytes at the end of each line.
- Drivers however may ignore the requested value, returning
- ``width`` times bytes-per-pixel or a larger value required by the
- hardware. That implies applications can just set this field to
- zero to get a reasonable default.
-
- For *Video Output Overlays* the driver must return a valid value.
-
- Video hardware may access padding bytes, therefore they must
- reside in accessible memory. Consider for example the case where
- padding bytes after the last line of an image cross a system page
- boundary. Capture devices may write padding bytes, the value is
- undefined. Output devices ignore the contents of padding bytes.
-
- When the image format is planar the ``bytesperline`` value applies
- to the first plane and is divided by the same factor as the
- ``width`` field for the other planes. For example the Cb and Cr
- planes of a YUV 4:2:0 image have half as many padding bytes
- following each line as the Y plane. To avoid ambiguities drivers
- must return a ``bytesperline`` value rounded up to a multiple of
- the scale factor.
-
- - .. row 15
-
- -
- - __u32
-
- - ``sizeimage``
-
- - This field is irrelevant to *non-destructive Video Overlays*. For
- *destructive Video Overlays* applications must initialize this
- field. For *Video Output Overlays* the driver must return a valid
- format.
-
- Together with ``base`` it defines the framebuffer memory
- accessible by the driver.
-
- - .. row 16
-
- -
- - enum :c:type:`v4l2_colorspace`
-
- - ``colorspace``
-
- - This information supplements the ``pixelformat`` and must be set
- by the driver, see :ref:`colorspaces`.
-
- - .. row 17
-
- -
- - __u32
-
- - ``priv``
-
- - Reserved. Drivers and applications must set this field to zero.
+ * - __u32
+ - ``capability``
+ -
+ - Overlay capability flags set by the driver, see
+ :ref:`framebuffer-cap`.
+ * - __u32
+ - ``flags``
+ -
+ - Overlay control flags set by application and driver, see
+ :ref:`framebuffer-flags`
+ * - void *
+ - ``base``
+ -
+ - Physical base address of the framebuffer, that is the address of
+ the pixel in the top left corner of the framebuffer. [#f1]_
+ * -
+ -
+ -
+ - This field is irrelevant to *non-destructive Video Overlays*. For
+ *destructive Video Overlays* applications must provide a base
+ address. The driver may accept only base addresses which are a
+ multiple of two, four or eight bytes. For *Video Output Overlays*
+ the driver must return a valid base address, so applications can
+ find the corresponding Linux framebuffer device (see
+ :ref:`osd`).
+ * - struct
+ - ``fmt``
+ -
+ - Layout of the frame buffer.
+ * -
+ - __u32
+ - ``width``
+ - Width of the frame buffer in pixels.
+ * -
+ - __u32
+ - ``height``
+ - Height of the frame buffer in pixels.
+ * -
+ - __u32
+ - ``pixelformat``
+ - The pixel format of the framebuffer.
+ * -
+ -
+ -
+ - For *non-destructive Video Overlays* this field only defines a
+ format for the struct :c:type:`v4l2_window`
+ ``chromakey`` field.
+ * -
+ -
+ -
+ - For *destructive Video Overlays* applications must initialize this
+ field. For *Video Output Overlays* the driver must return a valid
+ format.
+ * -
+ -
+ -
+ - Usually this is an RGB format (for example
+ :ref:`V4L2_PIX_FMT_RGB565 <V4L2-PIX-FMT-RGB565>`) but YUV
+ formats (only packed YUV formats when chroma keying is used, not
+ including ``V4L2_PIX_FMT_YUYV`` and ``V4L2_PIX_FMT_UYVY``) and the
+ ``V4L2_PIX_FMT_PAL8`` format are also permitted. The behavior of
+ the driver when an application requests a compressed format is
+ undefined. See :ref:`pixfmt` for information on pixel formats.
+ * -
+ - enum :c:type:`v4l2_field`
+ - ``field``
+ - Drivers and applications shall ignore this field. If applicable,
+ the field order is selected with the
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, using the ``field``
+ field of struct :c:type:`v4l2_window`.
+ * -
+ - __u32
+ - ``bytesperline``
+ - Distance in bytes between the leftmost pixels in two adjacent
+ lines.
+ * - :cspan:`3`
+
+ This field is irrelevant to *non-destructive Video Overlays*.
+
+ For *destructive Video Overlays* both applications and drivers can
+ set this field to request padding bytes at the end of each line.
+ Drivers however may ignore the requested value, returning
+ ``width`` times bytes-per-pixel or a larger value required by the
+ hardware. That implies applications can just set this field to
+ zero to get a reasonable default.
+
+ For *Video Output Overlays* the driver must return a valid value.
+
+ Video hardware may access padding bytes, therefore they must
+ reside in accessible memory. Consider for example the case where
+ padding bytes after the last line of an image cross a system page
+ boundary. Capture devices may write padding bytes, the value is
+ undefined. Output devices ignore the contents of padding bytes.
+
+ When the image format is planar the ``bytesperline`` value applies
+ to the first plane and is divided by the same factor as the
+ ``width`` field for the other planes. For example the Cb and Cr
+ planes of a YUV 4:2:0 image have half as many padding bytes
+ following each line as the Y plane. To avoid ambiguities drivers
+ must return a ``bytesperline`` value rounded up to a multiple of
+ the scale factor.
+ * -
+ - __u32
+ - ``sizeimage``
+ - This field is irrelevant to *non-destructive Video Overlays*. For
+ *destructive Video Overlays* applications must initialize this
+ field. For *Video Output Overlays* the driver must return a valid
+ format.
+
+ Together with ``base`` it defines the framebuffer memory
+ accessible by the driver.
+ * -
+ - enum :c:type:`v4l2_colorspace`
+ - ``colorspace``
+ - This information supplements the ``pixelformat`` and must be set
+ by the driver, see :ref:`colorspaces`.
+ * -
+ - __u32
+ - ``priv``
+ - Reserved. Drivers and applications must set this field to zero.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FBUF_CAP_EXTERNOVERLAY``
-
- - 0x0001
-
- - The device is capable of non-destructive overlays. When the driver
- clears this flag, only destructive overlays are supported. There
- are no drivers yet which support both destructive and
- non-destructive overlays. Video Output Overlays are in practice
- always non-destructive.
-
- - .. row 2
-
- - ``V4L2_FBUF_CAP_CHROMAKEY``
-
- - 0x0002
-
- - The device supports clipping by chroma-keying the images. That is,
- image pixels replace pixels in the VGA or video signal only where
- the latter assume a certain color. Chroma-keying makes no sense
- for destructive overlays.
-
- - .. row 3
-
- - ``V4L2_FBUF_CAP_LIST_CLIPPING``
-
- - 0x0004
-
- - The device supports clipping using a list of clip rectangles.
-
- - .. row 4
-
- - ``V4L2_FBUF_CAP_BITMAP_CLIPPING``
-
- - 0x0008
-
- - The device supports clipping using a bit mask.
-
- - .. row 5
-
- - ``V4L2_FBUF_CAP_LOCAL_ALPHA``
-
- - 0x0010
-
- - The device supports clipping/blending using the alpha channel of
- the framebuffer or VGA signal. Alpha blending makes no sense for
- destructive overlays.
-
- - .. row 6
-
- - ``V4L2_FBUF_CAP_GLOBAL_ALPHA``
-
- - 0x0020
-
- - The device supports alpha blending using a global alpha value.
- Alpha blending makes no sense for destructive overlays.
-
- - .. row 7
-
- - ``V4L2_FBUF_CAP_LOCAL_INV_ALPHA``
-
- - 0x0040
-
- - The device supports clipping/blending using the inverted alpha
- channel of the framebuffer or VGA signal. Alpha blending makes no
- sense for destructive overlays.
-
- - .. row 8
-
- - ``V4L2_FBUF_CAP_SRC_CHROMAKEY``
-
- - 0x0080
-
- - The device supports Source Chroma-keying. Video pixels with the
- chroma-key colors are replaced by framebuffer pixels, which is
- exactly opposite of ``V4L2_FBUF_CAP_CHROMAKEY``
+ * - ``V4L2_FBUF_CAP_EXTERNOVERLAY``
+ - 0x0001
+ - The device is capable of non-destructive overlays. When the driver
+ clears this flag, only destructive overlays are supported. There
+ are no drivers yet which support both destructive and
+ non-destructive overlays. Video Output Overlays are in practice
+ always non-destructive.
+ * - ``V4L2_FBUF_CAP_CHROMAKEY``
+ - 0x0002
+ - The device supports clipping by chroma-keying the images. That is,
+ image pixels replace pixels in the VGA or video signal only where
+ the latter assume a certain color. Chroma-keying makes no sense
+ for destructive overlays.
+ * - ``V4L2_FBUF_CAP_LIST_CLIPPING``
+ - 0x0004
+ - The device supports clipping using a list of clip rectangles.
+ * - ``V4L2_FBUF_CAP_BITMAP_CLIPPING``
+ - 0x0008
+ - The device supports clipping using a bit mask.
+ * - ``V4L2_FBUF_CAP_LOCAL_ALPHA``
+ - 0x0010
+ - The device supports clipping/blending using the alpha channel of
+ the framebuffer or VGA signal. Alpha blending makes no sense for
+ destructive overlays.
+ * - ``V4L2_FBUF_CAP_GLOBAL_ALPHA``
+ - 0x0020
+ - The device supports alpha blending using a global alpha value.
+ Alpha blending makes no sense for destructive overlays.
+ * - ``V4L2_FBUF_CAP_LOCAL_INV_ALPHA``
+ - 0x0040
+ - The device supports clipping/blending using the inverted alpha
+ channel of the framebuffer or VGA signal. Alpha blending makes no
+ sense for destructive overlays.
+ * - ``V4L2_FBUF_CAP_SRC_CHROMAKEY``
+ - 0x0080
+ - The device supports Source Chroma-keying. Video pixels with the
+ chroma-key colors are replaced by framebuffer pixels, which is
+ exactly opposite of ``V4L2_FBUF_CAP_CHROMAKEY``
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_FBUF_FLAG_PRIMARY``
-
- - 0x0001
-
- - The framebuffer is the primary graphics surface. In other words,
- the overlay is destructive. This flag is typically set by any
- driver that doesn't have the ``V4L2_FBUF_CAP_EXTERNOVERLAY``
- capability and it is cleared otherwise.
-
- - .. row 2
-
- - ``V4L2_FBUF_FLAG_OVERLAY``
-
- - 0x0002
-
- - If this flag is set for a video capture device, then the driver
- will set the initial overlay size to cover the full framebuffer
- size, otherwise the existing overlay size (as set by
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`) will be used. Only one
- video capture driver (bttv) supports this flag. The use of this
- flag for capture devices is deprecated. There is no way to detect
- which drivers support this flag, so the only reliable method of
- setting the overlay size is through
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`. If this flag is set for a
- video output device, then the video output overlay window is
- relative to the top-left corner of the framebuffer and restricted
- to the size of the framebuffer. If it is cleared, then the video
- output overlay window is relative to the video output display.
-
- - .. row 3
-
- - ``V4L2_FBUF_FLAG_CHROMAKEY``
-
- - 0x0004
-
- - Use chroma-keying. The chroma-key color is determined by the
- ``chromakey`` field of struct :c:type:`v4l2_window`
- and negotiated with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
- ioctl, see :ref:`overlay` and :ref:`osd`.
-
- - .. row 4
-
- - :cspan:`2` There are no flags to enable clipping using a list of
- clip rectangles or a bitmap. These methods are negotiated with the
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
- and :ref:`osd`.
-
- - .. row 5
-
- - ``V4L2_FBUF_FLAG_LOCAL_ALPHA``
-
- - 0x0008
-
- - Use the alpha channel of the framebuffer to clip or blend
- framebuffer pixels with video images. The blend function is:
- output = framebuffer pixel * alpha + video pixel * (1 - alpha).
- The actual alpha depth depends on the framebuffer pixel format.
-
- - .. row 6
-
- - ``V4L2_FBUF_FLAG_GLOBAL_ALPHA``
-
- - 0x0010
-
- - Use a global alpha value to blend the framebuffer with video
- images. The blend function is: output = (framebuffer pixel * alpha
- + video pixel * (255 - alpha)) / 255. The alpha value is
- determined by the ``global_alpha`` field of struct
- :c:type:`v4l2_window` and negotiated with the
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
- and :ref:`osd`.
-
- - .. row 7
-
- - ``V4L2_FBUF_FLAG_LOCAL_INV_ALPHA``
-
- - 0x0020
-
- - Like ``V4L2_FBUF_FLAG_LOCAL_ALPHA``, use the alpha channel of the
- framebuffer to clip or blend framebuffer pixels with video images,
- but with an inverted alpha value. The blend function is: output =
- framebuffer pixel * (1 - alpha) + video pixel * alpha. The actual
- alpha depth depends on the framebuffer pixel format.
-
- - .. row 8
-
- - ``V4L2_FBUF_FLAG_SRC_CHROMAKEY``
-
- - 0x0040
-
- - Use source chroma-keying. The source chroma-key color is
- determined by the ``chromakey`` field of struct
- :c:type:`v4l2_window` and negotiated with the
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
- and :ref:`osd`. Both chroma-keying are mutual exclusive to each
- other, so same ``chromakey`` field of struct
- :c:type:`v4l2_window` is being used.
+ * - ``V4L2_FBUF_FLAG_PRIMARY``
+ - 0x0001
+ - The framebuffer is the primary graphics surface. In other words,
+ the overlay is destructive. This flag is typically set by any
+ driver that doesn't have the ``V4L2_FBUF_CAP_EXTERNOVERLAY``
+ capability and it is cleared otherwise.
+ * - ``V4L2_FBUF_FLAG_OVERLAY``
+ - 0x0002
+ - If this flag is set for a video capture device, then the driver
+ will set the initial overlay size to cover the full framebuffer
+ size, otherwise the existing overlay size (as set by
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`) will be used. Only one
+ video capture driver (bttv) supports this flag. The use of this
+ flag for capture devices is deprecated. There is no way to detect
+ which drivers support this flag, so the only reliable method of
+ setting the overlay size is through
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`. If this flag is set for a
+ video output device, then the video output overlay window is
+ relative to the top-left corner of the framebuffer and restricted
+ to the size of the framebuffer. If it is cleared, then the video
+ output overlay window is relative to the video output display.
+ * - ``V4L2_FBUF_FLAG_CHROMAKEY``
+ - 0x0004
+ - Use chroma-keying. The chroma-key color is determined by the
+ ``chromakey`` field of struct :c:type:`v4l2_window`
+ and negotiated with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
+ ioctl, see :ref:`overlay` and :ref:`osd`.
+ * - :cspan:`2` There are no flags to enable clipping using a list of
+ clip rectangles or a bitmap. These methods are negotiated with the
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
+ and :ref:`osd`.
+ * - ``V4L2_FBUF_FLAG_LOCAL_ALPHA``
+ - 0x0008
+ - Use the alpha channel of the framebuffer to clip or blend
+ framebuffer pixels with video images. The blend function is:
+ output = framebuffer pixel * alpha + video pixel * (1 - alpha).
+ The actual alpha depth depends on the framebuffer pixel format.
+ * - ``V4L2_FBUF_FLAG_GLOBAL_ALPHA``
+ - 0x0010
+ - Use a global alpha value to blend the framebuffer with video
+ images. The blend function is: output = (framebuffer pixel * alpha
+ + video pixel * (255 - alpha)) / 255. The alpha value is
+ determined by the ``global_alpha`` field of struct
+ :c:type:`v4l2_window` and negotiated with the
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
+ and :ref:`osd`.
+ * - ``V4L2_FBUF_FLAG_LOCAL_INV_ALPHA``
+ - 0x0020
+ - Like ``V4L2_FBUF_FLAG_LOCAL_ALPHA``, use the alpha channel of the
+ framebuffer to clip or blend framebuffer pixels with video images,
+ but with an inverted alpha value. The blend function is: output =
+ framebuffer pixel * (1 - alpha) + video pixel * alpha. The actual
+ alpha depth depends on the framebuffer pixel format.
+ * - ``V4L2_FBUF_FLAG_SRC_CHROMAKEY``
+ - 0x0040
+ - Use source chroma-keying. The source chroma-key color is
+ determined by the ``chromakey`` field of struct
+ :c:type:`v4l2_window` and negotiated with the
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
+ and :ref:`osd`. Both chroma-keying are mutual exclusive to each
+ other, so same ``chromakey`` field of struct
+ :c:type:`v4l2_window` is being used.
Return Value
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- -
- - Type of the data stream, see :c:type:`v4l2_buf_type`.
-
- - .. row 2
-
- - union
-
- - ``fmt``
-
- - .. row 3
-
- -
- - struct :c:type:`v4l2_pix_format`
-
- - ``pix``
-
- - Definition of an image format, see :ref:`pixfmt`, used by video
- capture and output devices.
-
- - .. row 4
-
- -
- - struct :c:type:`v4l2_pix_format_mplane`
-
- - ``pix_mp``
-
- - Definition of an image format, see :ref:`pixfmt`, used by video
- capture and output devices that support the
- :ref:`multi-planar version of the API <planar-apis>`.
-
- - .. row 5
-
- -
- - struct :c:type:`v4l2_window`
-
- - ``win``
-
- - Definition of an overlaid image, see :ref:`overlay`, used by
- video overlay devices.
-
- - .. row 6
-
- -
- - struct :c:type:`v4l2_vbi_format`
-
- - ``vbi``
-
- - Raw VBI capture or output parameters. This is discussed in more
- detail in :ref:`raw-vbi`. Used by raw VBI capture and output
- devices.
-
- - .. row 7
-
- -
- - struct :c:type:`v4l2_sliced_vbi_format`
-
- - ``sliced``
-
- - Sliced VBI capture or output parameters. See :ref:`sliced` for
- details. Used by sliced VBI capture and output devices.
-
- - .. row 8
-
- -
- - struct :c:type:`v4l2_sdr_format`
-
- - ``sdr``
-
- - Definition of a data format, see :ref:`pixfmt`, used by SDR
- capture and output devices.
-
- - .. row 9
-
- -
- - __u8
-
- - ``raw_data``\ [200]
-
- - Place holder for future extensions.
+ * - __u32
+ - ``type``
+ -
+ - Type of the data stream, see :c:type:`v4l2_buf_type`.
+ * - union
+ - ``fmt``
+ * -
+ - struct :c:type:`v4l2_pix_format`
+ - ``pix``
+ - Definition of an image format, see :ref:`pixfmt`, used by video
+ capture and output devices.
+ * -
+ - struct :c:type:`v4l2_pix_format_mplane`
+ - ``pix_mp``
+ - Definition of an image format, see :ref:`pixfmt`, used by video
+ capture and output devices that support the
+ :ref:`multi-planar version of the API <planar-apis>`.
+ * -
+ - struct :c:type:`v4l2_window`
+ - ``win``
+ - Definition of an overlaid image, see :ref:`overlay`, used by
+ video overlay devices.
+ * -
+ - struct :c:type:`v4l2_vbi_format`
+ - ``vbi``
+ - Raw VBI capture or output parameters. This is discussed in more
+ detail in :ref:`raw-vbi`. Used by raw VBI capture and output
+ devices.
+ * -
+ - struct :c:type:`v4l2_sliced_vbi_format`
+ - ``sliced``
+ - Sliced VBI capture or output parameters. See :ref:`sliced` for
+ details. Used by sliced VBI capture and output devices.
+ * -
+ - struct :c:type:`v4l2_sdr_format`
+ - ``sdr``
+ - Definition of a data format, see :ref:`pixfmt`, used by SDR
+ capture and output devices.
+ * -
+ - __u8
+ - ``raw_data``\ [200]
+ - Place holder for future extensions.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``tuner``
-
- - The tuner or modulator index number. This is the same value as in
- the struct :c:type:`v4l2_input` ``tuner`` field and
- the struct :c:type:`v4l2_tuner` ``index`` field, or
- the struct :c:type:`v4l2_output` ``modulator`` field
- and the struct :c:type:`v4l2_modulator` ``index``
- field.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - The tuner type. This is the same value as in the struct
- :c:type:`v4l2_tuner` ``type`` field. The type must be
- set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
- to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
- ``V4L2_TUNER_RADIO`` for modulators (currently only radio
- modulators are supported). See :c:type:`v4l2_tuner_type`
-
- - .. row 3
-
- - __u32
-
- - ``frequency``
-
- - Tuning frequency in units of 62.5 kHz, or if the struct
- :c:type:`v4l2_tuner` or struct
- :c:type:`v4l2_modulator` ``capability`` flag
- ``V4L2_TUNER_CAP_LOW`` is set, in units of 62.5 Hz. A 1 Hz unit is
- used when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``tuner``
+ - The tuner or modulator index number. This is the same value as in
+ the struct :c:type:`v4l2_input` ``tuner`` field and
+ the struct :c:type:`v4l2_tuner` ``index`` field, or
+ the struct :c:type:`v4l2_output` ``modulator`` field
+ and the struct :c:type:`v4l2_modulator` ``index``
+ field.
+ * - __u32
+ - ``type``
+ - The tuner type. This is the same value as in the struct
+ :c:type:`v4l2_tuner` ``type`` field. The type must be
+ set to ``V4L2_TUNER_RADIO`` for ``/dev/radioX`` device nodes, and
+ to ``V4L2_TUNER_ANALOG_TV`` for all others. Set this field to
+ ``V4L2_TUNER_RADIO`` for modulators (currently only radio
+ modulators are supported). See :c:type:`v4l2_tuner_type`
+ * - __u32
+ - ``frequency``
+ - Tuning frequency in units of 62.5 kHz, or if the struct
+ :c:type:`v4l2_tuner` or struct
+ :c:type:`v4l2_modulator` ``capability`` flag
+ ``V4L2_TUNER_CAP_LOW`` is set, in units of 62.5 Hz. A 1 Hz unit is
+ used when the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is set.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - int
-
- - ``quality``
-
- - Deprecated. If
- :ref:`V4L2_CID_JPEG_COMPRESSION_QUALITY <jpeg-quality-control>`
- control is exposed by a driver applications should use it instead
- and ignore this field.
-
- - .. row 2
-
- - int
-
- - ``APPn``
-
- -
-
- - .. row 3
-
- - int
-
- - ``APP_len``
-
- -
-
- - .. row 4
-
- - char
-
- - ``APP_data``\ [60]
-
- -
-
- - .. row 5
-
- - int
-
- - ``COM_len``
-
- -
-
- - .. row 6
-
- - char
-
- - ``COM_data``\ [60]
-
- -
-
- - .. row 7
-
- - __u32
-
- - ``jpeg_markers``
-
- - See :ref:`jpeg-markers`. Deprecated. If
- :ref:`V4L2_CID_JPEG_ACTIVE_MARKER <jpeg-active-marker-control>`
- control is exposed by a driver applications should use it instead
- and ignore this field.
+ * - int
+ - ``quality``
+ - Deprecated. If
+ :ref:`V4L2_CID_JPEG_COMPRESSION_QUALITY <jpeg-quality-control>`
+ control is exposed by a driver applications should use it instead
+ and ignore this field.
+ * - int
+ - ``APPn``
+ -
+ * - int
+ - ``APP_len``
+ -
+ * - char
+ - ``APP_data``\ [60]
+ -
+ * - int
+ - ``COM_len``
+ -
+ * - char
+ - ``COM_data``\ [60]
+ -
+ * - __u32
+ - ``jpeg_markers``
+ - See :ref:`jpeg-markers`. Deprecated. If
+ :ref:`V4L2_CID_JPEG_ACTIVE_MARKER <jpeg-active-marker-control>`
+ control is exposed by a driver applications should use it instead
+ and ignore this field.
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_JPEG_MARKER_DHT``
-
- - (1<<3)
-
- - Define Huffman Tables
-
- - .. row 2
-
- - ``V4L2_JPEG_MARKER_DQT``
-
- - (1<<4)
-
- - Define Quantization Tables
-
- - .. row 3
-
- - ``V4L2_JPEG_MARKER_DRI``
-
- - (1<<5)
-
- - Define Restart Interval
-
- - .. row 4
-
- - ``V4L2_JPEG_MARKER_COM``
-
- - (1<<6)
-
- - Comment segment
-
- - .. row 5
-
- - ``V4L2_JPEG_MARKER_APP``
-
- - (1<<7)
-
- - App segment, driver will always use APP0
+ * - ``V4L2_JPEG_MARKER_DHT``
+ - (1<<3)
+ - Define Huffman Tables
+ * - ``V4L2_JPEG_MARKER_DQT``
+ - (1<<4)
+ - Define Quantization Tables
+ * - ``V4L2_JPEG_MARKER_DRI``
+ - (1<<5)
+ - Define Restart Interval
+ * - ``V4L2_JPEG_MARKER_COM``
+ - (1<<6)
+ - Comment segment
+ * - ``V4L2_JPEG_MARKER_APP``
+ - (1<<7)
+ - App segment, driver will always use APP0
Return Value
:stub-columns: 0
:widths: 1 1 2 1 1
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Identifies the modulator, set by the application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the modulator, a NUL-terminated ASCII string.
-
- This information is intended for the user.
-
- - .. row 3
-
- - __u32
-
- - ``capability``
-
- - Modulator capability flags. No flags are defined for this field,
- the tuner flags in struct :c:type:`v4l2_tuner` are
- used accordingly. The audio flags indicate the ability to encode
- audio subprograms. They will *not* change for example with the
- current video standard.
-
- - .. row 4
-
- - __u32
-
- - ``rangelow``
-
- - The lowest tunable frequency in units of 62.5 KHz, or if the
- ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units of
- 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is
- set, in units of 1 Hz.
-
- - .. row 5
-
- - __u32
-
- - ``rangehigh``
-
- - The highest tunable frequency in units of 62.5 KHz, or if the
- ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units of
- 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is
- set, in units of 1 Hz.
-
- - .. row 6
-
- - __u32
-
- - ``txsubchans``
-
- - With this field applications can determine how audio sub-carriers
- shall be modulated. It contains a set of flags as defined in
- :ref:`modulator-txsubchans`.
-
- .. note::
-
- The tuner ``rxsubchans`` flags are reused, but the
- semantics are different. Video output devices
- are assumed to have an analog or PCM audio input with 1-3
- channels. The ``txsubchans`` flags select one or more channels
- for modulation, together with some audio subprogram indicator,
- for example, a stereo pilot tone.
-
- - .. row 7
-
- - __u32
-
- - ``type``
-
- - :cspan:`2` Type of the modulator, see :c:type:`v4l2_tuner_type`.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [3]
-
- - Reserved for future extensions.
-
- Drivers and applications must set the array to zero.
+ * - __u32
+ - ``index``
+ - Identifies the modulator, set by the application.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the modulator, a NUL-terminated ASCII string.
+
+ This information is intended for the user.
+ * - __u32
+ - ``capability``
+ - Modulator capability flags. No flags are defined for this field,
+ the tuner flags in struct :c:type:`v4l2_tuner` are
+ used accordingly. The audio flags indicate the ability to encode
+ audio subprograms. They will *not* change for example with the
+ current video standard.
+ * - __u32
+ - ``rangelow``
+ - The lowest tunable frequency in units of 62.5 KHz, or if the
+ ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units of
+ 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is
+ set, in units of 1 Hz.
+ * - __u32
+ - ``rangehigh``
+ - The highest tunable frequency in units of 62.5 KHz, or if the
+ ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units of
+ 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ`` is
+ set, in units of 1 Hz.
+ * - __u32
+ - ``txsubchans``
+ - With this field applications can determine how audio sub-carriers
+ shall be modulated. It contains a set of flags as defined in
+ :ref:`modulator-txsubchans`.
+
+ .. note::
+
+ The tuner ``rxsubchans`` flags are reused, but the
+ semantics are different. Video output devices
+ are assumed to have an analog or PCM audio input with 1-3
+ channels. The ``txsubchans`` flags select one or more channels
+ for modulation, together with some audio subprogram indicator,
+ for example, a stereo pilot tone.
+ * - __u32
+ - ``type``
+ - :cspan:`2` Type of the modulator, see :c:type:`v4l2_tuner_type`.
+ * - __u32
+ - ``reserved``\ [3]
+ - Reserved for future extensions.
+
+ Drivers and applications must set the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TUNER_SUB_MONO``
-
- - 0x0001
-
- - Modulate channel 1 as mono audio, when the input has more
- channels, a down-mix of channel 1 and 2. This flag does not
- combine with ``V4L2_TUNER_SUB_STEREO`` or
- ``V4L2_TUNER_SUB_LANG1``.
-
- - .. row 2
-
- - ``V4L2_TUNER_SUB_STEREO``
-
- - 0x0002
-
- - Modulate channel 1 and 2 as left and right channel of a stereo
- audio signal. When the input has only one channel or two channels
- and ``V4L2_TUNER_SUB_SAP`` is also set, channel 1 is encoded as
- left and right channel. This flag does not combine with
- ``V4L2_TUNER_SUB_MONO`` or ``V4L2_TUNER_SUB_LANG1``. When the
- driver does not support stereo audio it shall fall back to mono.
-
- - .. row 3
-
- - ``V4L2_TUNER_SUB_LANG1``
-
- - 0x0008
-
- - Modulate channel 1 and 2 as primary and secondary language of a
- bilingual audio signal. When the input has only one channel it is
- used for both languages. It is not possible to encode the primary
- or secondary language only. This flag does not combine with
- ``V4L2_TUNER_SUB_MONO``, ``V4L2_TUNER_SUB_STEREO`` or
- ``V4L2_TUNER_SUB_SAP``. If the hardware does not support the
- respective audio matrix, or the current video standard does not
- permit bilingual audio the :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` ioctl shall
- return an ``EINVAL`` error code and the driver shall fall back to mono
- or stereo mode.
-
- - .. row 4
-
- - ``V4L2_TUNER_SUB_LANG2``
-
- - 0x0004
-
- - Same effect as ``V4L2_TUNER_SUB_SAP``.
-
- - .. row 5
-
- - ``V4L2_TUNER_SUB_SAP``
-
- - 0x0004
-
- - When combined with ``V4L2_TUNER_SUB_MONO`` the first channel is
- encoded as mono audio, the last channel as Second Audio Program.
- When the input has only one channel it is used for both audio
- tracks. When the input has three channels the mono track is a
- down-mix of channel 1 and 2. When combined with
- ``V4L2_TUNER_SUB_STEREO`` channel 1 and 2 are encoded as left and
- right stereo audio, channel 3 as Second Audio Program. When the
- input has only two channels, the first is encoded as left and
- right channel and the second as SAP. When the input has only one
- channel it is used for all audio tracks. It is not possible to
- encode a Second Audio Program only. This flag must combine with
- ``V4L2_TUNER_SUB_MONO`` or ``V4L2_TUNER_SUB_STEREO``. If the
- hardware does not support the respective audio matrix, or the
- current video standard does not permit SAP the
- :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` ioctl shall return an ``EINVAL`` error code and
- driver shall fall back to mono or stereo mode.
-
- - .. row 6
-
- - ``V4L2_TUNER_SUB_RDS``
-
- - 0x0010
-
- - Enable the RDS encoder for a radio FM transmitter.
+ * - ``V4L2_TUNER_SUB_MONO``
+ - 0x0001
+ - Modulate channel 1 as mono audio, when the input has more
+ channels, a down-mix of channel 1 and 2. This flag does not
+ combine with ``V4L2_TUNER_SUB_STEREO`` or
+ ``V4L2_TUNER_SUB_LANG1``.
+ * - ``V4L2_TUNER_SUB_STEREO``
+ - 0x0002
+ - Modulate channel 1 and 2 as left and right channel of a stereo
+ audio signal. When the input has only one channel or two channels
+ and ``V4L2_TUNER_SUB_SAP`` is also set, channel 1 is encoded as
+ left and right channel. This flag does not combine with
+ ``V4L2_TUNER_SUB_MONO`` or ``V4L2_TUNER_SUB_LANG1``. When the
+ driver does not support stereo audio it shall fall back to mono.
+ * - ``V4L2_TUNER_SUB_LANG1``
+ - 0x0008
+ - Modulate channel 1 and 2 as primary and secondary language of a
+ bilingual audio signal. When the input has only one channel it is
+ used for both languages. It is not possible to encode the primary
+ or secondary language only. This flag does not combine with
+ ``V4L2_TUNER_SUB_MONO``, ``V4L2_TUNER_SUB_STEREO`` or
+ ``V4L2_TUNER_SUB_SAP``. If the hardware does not support the
+ respective audio matrix, or the current video standard does not
+ permit bilingual audio the :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` ioctl shall
+ return an ``EINVAL`` error code and the driver shall fall back to mono
+ or stereo mode.
+ * - ``V4L2_TUNER_SUB_LANG2``
+ - 0x0004
+ - Same effect as ``V4L2_TUNER_SUB_SAP``.
+ * - ``V4L2_TUNER_SUB_SAP``
+ - 0x0004
+ - When combined with ``V4L2_TUNER_SUB_MONO`` the first channel is
+ encoded as mono audio, the last channel as Second Audio Program.
+ When the input has only one channel it is used for both audio
+ tracks. When the input has three channels the mono track is a
+ down-mix of channel 1 and 2. When combined with
+ ``V4L2_TUNER_SUB_STEREO`` channel 1 and 2 are encoded as left and
+ right stereo audio, channel 3 as Second Audio Program. When the
+ input has only two channels, the first is encoded as left and
+ right channel and the second as SAP. When the input has only one
+ channel it is used for all audio tracks. It is not possible to
+ encode a Second Audio Program only. This flag must combine with
+ ``V4L2_TUNER_SUB_MONO`` or ``V4L2_TUNER_SUB_STEREO``. If the
+ hardware does not support the respective audio matrix, or the
+ current video standard does not permit SAP the
+ :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` ioctl shall return an ``EINVAL`` error code and
+ driver shall fall back to mono or stereo mode.
+ * - ``V4L2_TUNER_SUB_RDS``
+ - 0x0010
+ - Enable the RDS encoder for a radio FM transmitter.
Return Value
:stub-columns: 0
:widths: 1 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- -
- - The buffer (stream) type, same as struct
- :c:type:`v4l2_format` ``type``, set by the
- application. See :c:type:`v4l2_buf_type`
-
- - .. row 2
-
- - union
-
- - ``parm``
-
- -
- -
-
- - .. row 3
-
- -
- - struct :c:type:`v4l2_captureparm`
-
- - ``capture``
-
- - Parameters for capture devices, used when ``type`` is
- ``V4L2_BUF_TYPE_VIDEO_CAPTURE``.
-
- - .. row 4
-
- -
- - struct :c:type:`v4l2_outputparm`
-
- - ``output``
-
- - Parameters for output devices, used when ``type`` is
- ``V4L2_BUF_TYPE_VIDEO_OUTPUT``.
-
- - .. row 5
-
- -
- - __u8
-
- - ``raw_data``\ [200]
-
- - A place holder for future extensions.
+ * - __u32
+ - ``type``
+ -
+ - The buffer (stream) type, same as struct
+ :c:type:`v4l2_format` ``type``, set by the
+ application. See :c:type:`v4l2_buf_type`
+ * - union
+ - ``parm``
+ -
+ -
+ * -
+ - struct :c:type:`v4l2_captureparm`
+ - ``capture``
+ - Parameters for capture devices, used when ``type`` is
+ ``V4L2_BUF_TYPE_VIDEO_CAPTURE``.
+ * -
+ - struct :c:type:`v4l2_outputparm`
+ - ``output``
+ - Parameters for output devices, used when ``type`` is
+ ``V4L2_BUF_TYPE_VIDEO_OUTPUT``.
+ * -
+ - __u8
+ - ``raw_data``\ [200]
+ - A place holder for future extensions.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``capability``
-
- - See :ref:`parm-caps`.
-
- - .. row 2
-
- - __u32
-
- - ``capturemode``
-
- - Set by drivers and applications, see :ref:`parm-flags`.
-
- - .. row 3
-
- - struct :c:type:`v4l2_fract`
-
- - ``timeperframe``
-
- - This is the desired period between successive frames captured by
- the driver, in seconds. The field is intended to skip frames on
- the driver side, saving I/O bandwidth.
-
- Applications store here the desired frame period, drivers return
- the actual frame period, which must be greater or equal to the
- nominal frame period determined by the current video standard
- (struct :c:type:`v4l2_standard` ``frameperiod``
- field). Changing the video standard (also implicitly by switching
- the video input) may reset this parameter to the nominal frame
- period. To reset manually applications can just set this field to
- zero.
-
- Drivers support this function only when they set the
- ``V4L2_CAP_TIMEPERFRAME`` flag in the ``capability`` field.
-
- - .. row 4
-
- - __u32
-
- - ``extendedmode``
-
- - Custom (driver specific) streaming parameters. When unused,
- applications and drivers must set this field to zero. Applications
- using this field should check the driver name and version, see
- :ref:`querycap`.
-
- - .. row 5
-
- - __u32
-
- - ``readbuffers``
-
- - Applications set this field to the desired number of buffers used
- internally by the driver in :ref:`read() <func-read>` mode.
- Drivers return the actual number of buffers. When an application
- requests zero buffers, drivers should just return the current
- setting rather than the minimum or an error code. For details see
- :ref:`rw`.
-
- - .. row 6
-
- - __u32
-
- - ``reserved``\ [4]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``capability``
+ - See :ref:`parm-caps`.
+ * - __u32
+ - ``capturemode``
+ - Set by drivers and applications, see :ref:`parm-flags`.
+ * - struct :c:type:`v4l2_fract`
+ - ``timeperframe``
+ - This is the desired period between successive frames captured by
+ the driver, in seconds. The field is intended to skip frames on
+ the driver side, saving I/O bandwidth.
+
+ Applications store here the desired frame period, drivers return
+ the actual frame period, which must be greater or equal to the
+ nominal frame period determined by the current video standard
+ (struct :c:type:`v4l2_standard` ``frameperiod``
+ field). Changing the video standard (also implicitly by switching
+ the video input) may reset this parameter to the nominal frame
+ period. To reset manually applications can just set this field to
+ zero.
+
+ Drivers support this function only when they set the
+ ``V4L2_CAP_TIMEPERFRAME`` flag in the ``capability`` field.
+ * - __u32
+ - ``extendedmode``
+ - Custom (driver specific) streaming parameters. When unused,
+ applications and drivers must set this field to zero. Applications
+ using this field should check the driver name and version, see
+ :ref:`querycap`.
+ * - __u32
+ - ``readbuffers``
+ - Applications set this field to the desired number of buffers used
+ internally by the driver in :ref:`read() <func-read>` mode.
+ Drivers return the actual number of buffers. When an application
+ requests zero buffers, drivers should just return the current
+ setting rather than the minimum or an error code. For details see
+ :ref:`rw`.
+ * - __u32
+ - ``reserved``\ [4]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``capability``
-
- - See :ref:`parm-caps`.
-
- - .. row 2
-
- - __u32
-
- - ``outputmode``
-
- - Set by drivers and applications, see :ref:`parm-flags`.
-
- - .. row 3
-
- - struct :c:type:`v4l2_fract`
-
- - ``timeperframe``
-
- - This is the desired period between successive frames output by the
- driver, in seconds.
-
- - .. row 4
-
- - :cspan:`2`
-
- The field is intended to repeat frames on the driver side in
- :ref:`write() <func-write>` mode (in streaming mode timestamps
- can be used to throttle the output), saving I/O bandwidth.
-
- Applications store here the desired frame period, drivers return
- the actual frame period, which must be greater or equal to the
- nominal frame period determined by the current video standard
- (struct :c:type:`v4l2_standard` ``frameperiod``
- field). Changing the video standard (also implicitly by switching
- the video output) may reset this parameter to the nominal frame
- period. To reset manually applications can just set this field to
- zero.
-
- Drivers support this function only when they set the
- ``V4L2_CAP_TIMEPERFRAME`` flag in the ``capability`` field.
-
- - .. row 5
-
- - __u32
-
- - ``extendedmode``
-
- - Custom (driver specific) streaming parameters. When unused,
- applications and drivers must set this field to zero. Applications
- using this field should check the driver name and version, see
- :ref:`querycap`.
-
- - .. row 6
-
- - __u32
-
- - ``writebuffers``
-
- - Applications set this field to the desired number of buffers used
- internally by the driver in :ref:`write() <func-write>` mode. Drivers
- return the actual number of buffers. When an application requests
- zero buffers, drivers should just return the current setting
- rather than the minimum or an error code. For details see
- :ref:`rw`.
-
- - .. row 7
-
- - __u32
-
- - ``reserved``\ [4]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``capability``
+ - See :ref:`parm-caps`.
+ * - __u32
+ - ``outputmode``
+ - Set by drivers and applications, see :ref:`parm-flags`.
+ * - struct :c:type:`v4l2_fract`
+ - ``timeperframe``
+ - This is the desired period between successive frames output by the
+ driver, in seconds.
+ * - :cspan:`2`
+
+ The field is intended to repeat frames on the driver side in
+ :ref:`write() <func-write>` mode (in streaming mode timestamps
+ can be used to throttle the output), saving I/O bandwidth.
+
+ Applications store here the desired frame period, drivers return
+ the actual frame period, which must be greater or equal to the
+ nominal frame period determined by the current video standard
+ (struct :c:type:`v4l2_standard` ``frameperiod``
+ field). Changing the video standard (also implicitly by switching
+ the video output) may reset this parameter to the nominal frame
+ period. To reset manually applications can just set this field to
+ zero.
+
+ Drivers support this function only when they set the
+ ``V4L2_CAP_TIMEPERFRAME`` flag in the ``capability`` field.
+ * - __u32
+ - ``extendedmode``
+ - Custom (driver specific) streaming parameters. When unused,
+ applications and drivers must set this field to zero. Applications
+ using this field should check the driver name and version, see
+ :ref:`querycap`.
+ * - __u32
+ - ``writebuffers``
+ - Applications set this field to the desired number of buffers used
+ internally by the driver in :ref:`write() <func-write>` mode. Drivers
+ return the actual number of buffers. When an application requests
+ zero buffers, drivers should just return the current setting
+ rather than the minimum or an error code. For details see
+ :ref:`rw`.
+ * - __u32
+ - ``reserved``\ [4]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_CAP_TIMEPERFRAME``
-
- - 0x1000
-
- - The frame skipping/repeating controlled by the ``timeperframe``
- field is supported.
+ * - ``V4L2_CAP_TIMEPERFRAME``
+ - 0x1000
+ - The frame skipping/repeating controlled by the ``timeperframe``
+ field is supported.
:stub-columns: 0
:widths: 3 1 4
+ * - ``V4L2_MODE_HIGHQUALITY``
+ - 0x0001
+ - High quality imaging mode. High quality mode is intended for still
+ imaging applications. The idea is to get the best possible image
+ quality that the hardware can deliver. It is not defined how the
+ driver writer may achieve that; it will depend on the hardware and
+ the ingenuity of the driver writer. High quality mode is a
+ different mode from the regular motion video capture modes. In
+ high quality mode:
- - .. row 1
-
- - ``V4L2_MODE_HIGHQUALITY``
-
- - 0x0001
-
- - High quality imaging mode. High quality mode is intended for still
- imaging applications. The idea is to get the best possible image
- quality that the hardware can deliver. It is not defined how the
- driver writer may achieve that; it will depend on the hardware and
- the ingenuity of the driver writer. High quality mode is a
- different mode from the regular motion video capture modes. In
- high quality mode:
-
- - The driver may be able to capture higher resolutions than for
- motion capture.
+ - The driver may be able to capture higher resolutions than for
+ motion capture.
- - The driver may support fewer pixel formats than motion capture
- (eg; true color).
+ - The driver may support fewer pixel formats than motion capture
+ (eg; true color).
- - The driver may capture and arithmetically combine multiple
- successive fields or frames to remove color edge artifacts and
- reduce the noise in the video data.
+ - The driver may capture and arithmetically combine multiple
+ successive fields or frames to remove color edge artifacts and
+ reduce the noise in the video data.
- - The driver may capture images in slices like a scanner in order
- to handle larger format images than would otherwise be
- possible.
+ - The driver may capture images in slices like a scanner in order
+ to handle larger format images than would otherwise be
+ possible.
- - An image capture operation may be significantly slower than
- motion capture.
+ - An image capture operation may be significantly slower than
+ motion capture.
- - Moving objects in the image might have excessive motion blur.
+ - Moving objects in the image might have excessive motion blur.
- - Capture might only work through the :ref:`read() <func-read>` call.
+ - Capture might only work through the :ref:`read() <func-read>` call.
Return Value
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_PRIORITY_UNSET``
-
- - 0
-
- -
-
- - .. row 2
-
- - ``V4L2_PRIORITY_BACKGROUND``
-
- - 1
-
- - Lowest priority, usually applications running in background, for
- example monitoring VBI transmissions. A proxy application running
- in user space will be necessary if multiple applications want to
- read from a device at this priority.
-
- - .. row 3
-
- - ``V4L2_PRIORITY_INTERACTIVE``
-
- - 2
-
- -
-
- - .. row 4
-
- - ``V4L2_PRIORITY_DEFAULT``
-
- - 2
-
- - Medium priority, usually applications started and interactively
- controlled by the user. For example TV viewers, Teletext browsers,
- or just "panel" applications to change the channel or video
- controls. This is the default priority unless an application
- requests another.
-
- - .. row 5
-
- - ``V4L2_PRIORITY_RECORD``
-
- - 3
-
- - Highest priority. Only one file descriptor can have this priority,
- it blocks any other fd from changing device properties. Usually
- applications which must not be interrupted, like video recording.
+ * - ``V4L2_PRIORITY_UNSET``
+ - 0
+ -
+ * - ``V4L2_PRIORITY_BACKGROUND``
+ - 1
+ - Lowest priority, usually applications running in background, for
+ example monitoring VBI transmissions. A proxy application running
+ in user space will be necessary if multiple applications want to
+ read from a device at this priority.
+ * - ``V4L2_PRIORITY_INTERACTIVE``
+ - 2
+ -
+ * - ``V4L2_PRIORITY_DEFAULT``
+ - 2
+ - Medium priority, usually applications started and interactively
+ controlled by the user. For example TV viewers, Teletext browsers,
+ or just "panel" applications to change the channel or video
+ controls. This is the default priority unless an application
+ requests another.
+ * - ``V4L2_PRIORITY_RECORD``
+ - 3
+ - Highest priority. Only one file descriptor can have this priority,
+ it blocks any other fd from changing device properties. Usually
+ applications which must not be interrupted, like video recording.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of the buffer (from enum
- :c:type:`v4l2_buf_type`).
-
- - .. row 2
-
- - __u32
-
- - ``target``
-
- - Used to select between
- :ref:`cropping and composing rectangles <v4l2-selections-common>`.
-
- - .. row 3
-
- - __u32
-
- - ``flags``
-
- - Flags controlling the selection rectangle adjustments, refer to
- :ref:`selection flags <v4l2-selection-flags>`.
-
- - .. row 4
-
- - struct :c:type:`v4l2_rect`
-
- - ``r``
-
- - The selection rectangle.
-
- - .. row 5
-
- - __u32
-
- - ``reserved[9]``
-
- - Reserved fields for future use. Drivers and applications must zero
- this array.
+ * - __u32
+ - ``type``
+ - Type of the buffer (from enum
+ :c:type:`v4l2_buf_type`).
+ * - __u32
+ - ``target``
+ - Used to select between
+ :ref:`cropping and composing rectangles <v4l2-selections-common>`.
+ * - __u32
+ - ``flags``
+ - Flags controlling the selection rectangle adjustments, refer to
+ :ref:`selection flags <v4l2-selection-flags>`.
+ * - struct :c:type:`v4l2_rect`
+ - ``r``
+ - The selection rectangle.
+ * - __u32
+ - ``reserved[9]``
+ - Reserved fields for future use. Drivers and applications must zero
+ this array.
Return Value
:stub-columns: 0
:widths: 3 3 2 2 2
-
- - .. row 1
-
- - __u16
-
- - ``service_set``
-
- - :cspan:`2` A set of all data services supported by the driver.
-
- Equal to the union of all elements of the ``service_lines`` array.
-
- - .. row 2
-
- - __u16
-
- - ``service_lines``\ [2][24]
-
- - :cspan:`2` Each element of this array contains a set of data
- services the hardware can look for or insert into a particular
- scan line. Data services are defined in :ref:`vbi-services`.
- Array indices map to ITU-R line numbers\ [#f1]_ as follows:
-
- - .. row 3
-
- -
- -
- - Element
-
- - 525 line systems
-
- - 625 line systems
-
- - .. row 4
-
- -
- -
- - ``service_lines``\ [0][1]
-
- - 1
-
- - 1
-
- - .. row 5
-
- -
- -
- - ``service_lines``\ [0][23]
-
- - 23
-
- - 23
-
- - .. row 6
-
- -
- -
- - ``service_lines``\ [1][1]
-
- - 264
-
- - 314
-
- - .. row 7
-
- -
- -
- - ``service_lines``\ [1][23]
-
- - 286
-
- - 336
-
- - .. row 8
-
- -
-
- - .. row 9
-
- -
- -
- - :cspan:`2` The number of VBI lines the hardware can capture or
- output per frame, or the number of services it can identify on a
- given line may be limited. For example on PAL line 16 the hardware
- may be able to look for a VPS or Teletext signal, but not both at
- the same time. Applications can learn about these limits using the
- :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl as described in
- :ref:`sliced`.
-
- - .. row 10
-
- -
-
- - .. row 11
-
- -
- -
- - :cspan:`2` Drivers must set ``service_lines`` [0][0] and
- ``service_lines``\ [1][0] to zero.
-
- - .. row 12
-
- - __u32
-
- - ``type``
-
- - Type of the data stream, see :c:type:`v4l2_buf_type`. Should be
- ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE`` or
- ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``.
-
- - .. row 13
-
- - __u32
-
- - ``reserved``\ [3]
-
- - :cspan:`2` This array is reserved for future extensions.
-
- Applications and drivers must set it to zero.
+ * - __u16
+ - ``service_set``
+ - :cspan:`2` A set of all data services supported by the driver.
+
+ Equal to the union of all elements of the ``service_lines`` array.
+ * - __u16
+ - ``service_lines``\ [2][24]
+ - :cspan:`2` Each element of this array contains a set of data
+ services the hardware can look for or insert into a particular
+ scan line. Data services are defined in :ref:`vbi-services`.
+ Array indices map to ITU-R line numbers\ [#f1]_ as follows:
+ * -
+ -
+ - Element
+ - 525 line systems
+ - 625 line systems
+ * -
+ -
+ - ``service_lines``\ [0][1]
+ - 1
+ - 1
+ * -
+ -
+ - ``service_lines``\ [0][23]
+ - 23
+ - 23
+ * -
+ -
+ - ``service_lines``\ [1][1]
+ - 264
+ - 314
+ * -
+ -
+ - ``service_lines``\ [1][23]
+ - 286
+ - 336
+ * -
+ * -
+ -
+ - :cspan:`2` The number of VBI lines the hardware can capture or
+ output per frame, or the number of services it can identify on a
+ given line may be limited. For example on PAL line 16 the hardware
+ may be able to look for a VPS or Teletext signal, but not both at
+ the same time. Applications can learn about these limits using the
+ :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl as described in
+ :ref:`sliced`.
+ * -
+ * -
+ -
+ - :cspan:`2` Drivers must set ``service_lines`` [0][0] and
+ ``service_lines``\ [1][0] to zero.
+ * - __u32
+ - ``type``
+ - Type of the data stream, see :c:type:`v4l2_buf_type`. Should be
+ ``V4L2_BUF_TYPE_SLICED_VBI_CAPTURE`` or
+ ``V4L2_BUF_TYPE_SLICED_VBI_OUTPUT``.
+ * - __u32
+ - ``reserved``\ [3]
+ - :cspan:`2` This array is reserved for future extensions.
+
+ Applications and drivers must set it to zero.
.. [#f1]
:stub-columns: 0
:widths: 2 1 1 2 2
-
- - .. row 1
-
- - Symbol
-
- - Value
-
- - Reference
-
- - Lines, usually
-
- - Payload
-
- - .. row 2
-
- - ``V4L2_SLICED_TELETEXT_B`` (Teletext System B)
-
- - 0x0001
-
- - :ref:`ets300706`,
-
- :ref:`itu653`
-
- - PAL/SECAM line 7-22, 320-335 (second field 7-22)
-
- - Last 42 of the 45 byte Teletext packet, that is without clock
- run-in and framing code, lsb first transmitted.
-
- - .. row 3
-
- - ``V4L2_SLICED_VPS``
-
- - 0x0400
-
- - :ref:`ets300231`
-
- - PAL line 16
-
- - Byte number 3 to 15 according to Figure 9 of ETS 300 231, lsb
- first transmitted.
-
- - .. row 4
-
- - ``V4L2_SLICED_CAPTION_525``
-
- - 0x1000
-
- - :ref:`cea608`
-
- - NTSC line 21, 284 (second field 21)
-
- - Two bytes in transmission order, including parity bit, lsb first
- transmitted.
-
- - .. row 5
-
- - ``V4L2_SLICED_WSS_625``
-
- - 0x4000
-
- - :ref:`en300294`,
-
- :ref:`itu1119`
-
- - PAL/SECAM line 23
-
- -
-
- ::
-
- Byte 0 1
- msb lsb msb lsb
- Bit 7 6 5 4 3 2 1 0 x x 13 12 11 10 9
-
- - .. row 6
-
- - ``V4L2_SLICED_VBI_525``
-
- - 0x1000
-
- - :cspan:`2` Set of services applicable to 525 line systems.
-
- - .. row 7
-
- - ``V4L2_SLICED_VBI_625``
-
- - 0x4401
-
- - :cspan:`2` Set of services applicable to 625 line systems.
+ * - Symbol
+ - Value
+ - Reference
+ - Lines, usually
+ - Payload
+ * - ``V4L2_SLICED_TELETEXT_B`` (Teletext System B)
+ - 0x0001
+ - :ref:`ets300706`,
+
+ :ref:`itu653`
+ - PAL/SECAM line 7-22, 320-335 (second field 7-22)
+ - Last 42 of the 45 byte Teletext packet, that is without clock
+ run-in and framing code, lsb first transmitted.
+ * - ``V4L2_SLICED_VPS``
+ - 0x0400
+ - :ref:`ets300231`
+ - PAL line 16
+ - Byte number 3 to 15 according to Figure 9 of ETS 300 231, lsb
+ first transmitted.
+ * - ``V4L2_SLICED_CAPTION_525``
+ - 0x1000
+ - :ref:`cea608`
+ - NTSC line 21, 284 (second field 21)
+ - Two bytes in transmission order, including parity bit, lsb first
+ transmitted.
+ * - ``V4L2_SLICED_WSS_625``
+ - 0x4000
+ - :ref:`en300294`,
+
+ :ref:`itu1119`
+ - PAL/SECAM line 23
+ -
+
+ ::
+
+ Byte 0 1
+ msb lsb msb lsb
+ Bit 7 6 5 4 3 2 1 0 x x 13 12 11 10 9
+ * - ``V4L2_SLICED_VBI_525``
+ - 0x1000
+ - :cspan:`2` Set of services applicable to 525 line systems.
+ * - ``V4L2_SLICED_VBI_625``
+ - 0x4401
+ - :cspan:`2` Set of services applicable to 625 line systems.
.. raw:: latex
:header-rows: 0
:stub-columns: 0
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - :cspan:`1` Identifies the tuner, set by the application.
-
- - .. row 2
-
- - __u8
-
- - ``name``\ [32]
-
- - :cspan:`1`
-
- Name of the tuner, a NUL-terminated ASCII string.
-
- This information is intended for the user.
-
- - .. row 3
-
- - __u32
-
- - ``type``
-
- - :cspan:`1` Type of the tuner, see :c:type:`v4l2_tuner_type`.
-
- - .. row 4
-
- - __u32
-
- - ``capability``
-
- - :cspan:`1`
-
- Tuner capability flags, see :ref:`tuner-capability`. Audio flags
- indicate the ability to decode audio subprograms. They will *not*
- change, for example with the current video standard.
-
- When the structure refers to a radio tuner the
- ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and
- ``V4L2_TUNER_CAP_NORM`` flags can't be used.
-
- If multiple frequency bands are supported, then ``capability`` is
- the union of all ``capability`` fields of each struct
- :c:type:`v4l2_frequency_band`.
-
- - .. row 5
-
- - __u32
-
- - ``rangelow``
-
- - :cspan:`1` The lowest tunable frequency in units of 62.5 kHz, or
- if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
- of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ``
- is set, in units of 1 Hz. If multiple frequency bands are
- supported, then ``rangelow`` is the lowest frequency of all the
- frequency bands.
-
- - .. row 6
-
- - __u32
-
- - ``rangehigh``
-
- - :cspan:`1` The highest tunable frequency in units of 62.5 kHz,
- or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
- units of 62.5 Hz, or if the ``capability`` flag
- ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple
- frequency bands are supported, then ``rangehigh`` is the highest
- frequency of all the frequency bands.
-
- - .. row 7
-
- - __u32
-
- - ``rxsubchans``
-
- - :cspan:`1`
-
- Some tuners or audio decoders can determine the received audio
- subprograms by analyzing audio carriers, pilot tones or other
- indicators. To pass this information drivers set flags defined in
- :ref:`tuner-rxsubchans` in this field. For example:
-
- - .. row 8
-
- -
- -
- - ``V4L2_TUNER_SUB_MONO``
-
- - receiving mono audio
-
- - .. row 9
-
- -
- -
- - ``STEREO | SAP``
-
- - receiving stereo audio and a secondary audio program
-
- - .. row 10
-
- -
- -
- - ``MONO | STEREO``
-
- - receiving mono or stereo audio, the hardware cannot distinguish
-
- - .. row 11
-
- -
- -
- - ``LANG1 | LANG2``
-
- - receiving bilingual audio
-
- - .. row 12
-
- -
- -
- - ``MONO | STEREO | LANG1 | LANG2``
-
- - receiving mono, stereo or bilingual audio
-
- - .. row 13
-
- -
- -
- - :cspan:`1`
-
- When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or
- ``_SAP`` flag is cleared in the ``capability`` field, the
- corresponding ``V4L2_TUNER_SUB_`` flag must not be set here.
-
- This field is valid only if this is the tuner of the current video
- input, or when the structure refers to a radio tuner.
-
- - .. row 14
-
- - __u32
-
- - ``audmode``
-
- - :cspan:`1`
-
- The selected audio mode, see :ref:`tuner-audmode` for valid
- values. The audio mode does not affect audio subprogram detection,
- and like a :ref:`control` it does not automatically
- change unless the requested mode is invalid or unsupported. See
- :ref:`tuner-matrix` for possible results when the selected and
- received audio programs do not match.
-
- Currently this is the only field of struct
- struct :c:type:`v4l2_tuner` applications can change.
-
- - .. row 15
-
- - __u32
-
- - ``signal``
-
- - :cspan:`1` The signal strength if known.
-
- Ranging from 0 to 65535. Higher values indicate a better signal.
-
- - .. row 16
-
- - __s32
-
- - ``afc``
-
- - :cspan:`1` Automatic frequency control.
-
- When the ``afc`` value is negative, the frequency is too
- low, when positive too high.
-
- - .. row 17
-
- - __u32
-
- - ``reserved``\ [4]
-
- - :cspan:`1` Reserved for future extensions.
-
- Drivers and applications must set the array to zero.
+ * - __u32
+ - ``index``
+ - :cspan:`1` Identifies the tuner, set by the application.
+ * - __u8
+ - ``name``\ [32]
+ - :cspan:`1`
+
+ Name of the tuner, a NUL-terminated ASCII string.
+
+ This information is intended for the user.
+ * - __u32
+ - ``type``
+ - :cspan:`1` Type of the tuner, see :c:type:`v4l2_tuner_type`.
+ * - __u32
+ - ``capability``
+ - :cspan:`1`
+
+ Tuner capability flags, see :ref:`tuner-capability`. Audio flags
+ indicate the ability to decode audio subprograms. They will *not*
+ change, for example with the current video standard.
+
+ When the structure refers to a radio tuner the
+ ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and
+ ``V4L2_TUNER_CAP_NORM`` flags can't be used.
+
+ If multiple frequency bands are supported, then ``capability`` is
+ the union of all ``capability`` fields of each struct
+ :c:type:`v4l2_frequency_band`.
+ * - __u32
+ - ``rangelow``
+ - :cspan:`1` The lowest tunable frequency in units of 62.5 kHz, or
+ if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
+ of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ``
+ is set, in units of 1 Hz. If multiple frequency bands are
+ supported, then ``rangelow`` is the lowest frequency of all the
+ frequency bands.
+ * - __u32
+ - ``rangehigh``
+ - :cspan:`1` The highest tunable frequency in units of 62.5 kHz,
+ or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
+ units of 62.5 Hz, or if the ``capability`` flag
+ ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple
+ frequency bands are supported, then ``rangehigh`` is the highest
+ frequency of all the frequency bands.
+ * - __u32
+ - ``rxsubchans``
+ - :cspan:`1`
+
+ Some tuners or audio decoders can determine the received audio
+ subprograms by analyzing audio carriers, pilot tones or other
+ indicators. To pass this information drivers set flags defined in
+ :ref:`tuner-rxsubchans` in this field. For example:
+ * -
+ -
+ - ``V4L2_TUNER_SUB_MONO``
+ - receiving mono audio
+ * -
+ -
+ - ``STEREO | SAP``
+ - receiving stereo audio and a secondary audio program
+ * -
+ -
+ - ``MONO | STEREO``
+ - receiving mono or stereo audio, the hardware cannot distinguish
+ * -
+ -
+ - ``LANG1 | LANG2``
+ - receiving bilingual audio
+ * -
+ -
+ - ``MONO | STEREO | LANG1 | LANG2``
+ - receiving mono, stereo or bilingual audio
+ * -
+ -
+ - :cspan:`1`
+
+ When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or
+ ``_SAP`` flag is cleared in the ``capability`` field, the
+ corresponding ``V4L2_TUNER_SUB_`` flag must not be set here.
+
+ This field is valid only if this is the tuner of the current video
+ input, or when the structure refers to a radio tuner.
+ * - __u32
+ - ``audmode``
+ - :cspan:`1`
+
+ The selected audio mode, see :ref:`tuner-audmode` for valid
+ values. The audio mode does not affect audio subprogram detection,
+ and like a :ref:`control` it does not automatically
+ change unless the requested mode is invalid or unsupported. See
+ :ref:`tuner-matrix` for possible results when the selected and
+ received audio programs do not match.
+
+ Currently this is the only field of struct
+ struct :c:type:`v4l2_tuner` applications can change.
+ * - __u32
+ - ``signal``
+ - :cspan:`1` The signal strength if known.
+
+ Ranging from 0 to 65535. Higher values indicate a better signal.
+ * - __s32
+ - ``afc``
+ - :cspan:`1` Automatic frequency control.
+
+ When the ``afc`` value is negative, the frequency is too
+ low, when positive too high.
+ * - __u32
+ - ``reserved``\ [4]
+ - :cspan:`1` Reserved for future extensions.
+
+ Drivers and applications must set the array to zero.
:stub-columns: 0
:widths: 3 1 6
-
- - .. row 1
-
- - ``V4L2_TUNER_RADIO``
-
- - 1
-
- - Tuner supports radio
-
- - .. row 2
-
- - ``V4L2_TUNER_ANALOG_TV``
-
- - 2
-
- - Tuner supports analog TV
-
- - .. row 3
-
- - ``V4L2_TUNER_SDR``
-
- - 4
-
- - Tuner controls the A/D and/or D/A block of a
- Sofware Digital Radio (SDR)
-
- - .. row 4
-
- - ``V4L2_TUNER_RF``
-
- - 5
-
- - Tuner controls the RF part of a Sofware Digital Radio (SDR)
+ * - ``V4L2_TUNER_RADIO``
+ - 1
+ - Tuner supports radio
+ * - ``V4L2_TUNER_ANALOG_TV``
+ - 2
+ - Tuner supports analog TV
+ * - ``V4L2_TUNER_SDR``
+ - 4
+ - Tuner controls the A/D and/or D/A block of a
+ Sofware Digital Radio (SDR)
+ * - ``V4L2_TUNER_RF``
+ - 5
+ - Tuner controls the RF part of a Sofware Digital Radio (SDR)
.. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}|
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TUNER_CAP_LOW``
-
- - 0x0001
-
- - When set, tuning frequencies are expressed in units of 62.5 Hz
- instead of 62.5 kHz.
-
- - .. row 2
-
- - ``V4L2_TUNER_CAP_NORM``
-
- - 0x0002
-
- - This is a multi-standard tuner; the video standard can or must be
- switched. (B/G PAL tuners for example are typically not considered
- multi-standard because the video standard is automatically
- determined from the frequency band.) The set of supported video
- standards is available from the struct
- :c:type:`v4l2_input` pointing to this tuner, see the
- description of ioctl :ref:`VIDIOC_ENUMINPUT`
- for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
- capability.
-
- - .. row 3
-
- - ``V4L2_TUNER_CAP_HWSEEK_BOUNDED``
-
- - 0x0004
-
- - If set, then this tuner supports the hardware seek functionality
- where the seek stops when it reaches the end of the frequency
- range.
-
- - .. row 4
-
- - ``V4L2_TUNER_CAP_HWSEEK_WRAP``
-
- - 0x0008
-
- - If set, then this tuner supports the hardware seek functionality
- where the seek wraps around when it reaches the end of the
- frequency range.
-
- - .. row 5
-
- - ``V4L2_TUNER_CAP_STEREO``
-
- - 0x0010
-
- - Stereo audio reception is supported.
-
- - .. row 6
-
- - ``V4L2_TUNER_CAP_LANG1``
-
- - 0x0040
-
- - Reception of the primary language of a bilingual audio program is
- supported. Bilingual audio is a feature of two-channel systems,
- transmitting the primary language monaural on the main audio
- carrier and a secondary language monaural on a second carrier.
- Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
-
- - .. row 7
-
- - ``V4L2_TUNER_CAP_LANG2``
-
- - 0x0020
-
- - Reception of the secondary language of a bilingual audio program
- is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
- capability.
-
- - .. row 8
-
- - ``V4L2_TUNER_CAP_SAP``
-
- - 0x0020
-
- - Reception of a secondary audio program is supported. This is a
- feature of the BTSC system which accompanies the NTSC video
- standard. Two audio carriers are available for mono or stereo
- transmissions of a primary language, and an independent third
- carrier for a monaural secondary language. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
-
- .. note::
-
- The ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP``
- flags are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner
- supports the ``V4L2_STD_NTSC_M`` video standard.
-
- - .. row 9
-
- - ``V4L2_TUNER_CAP_RDS``
-
- - 0x0080
-
- - RDS capture is supported. This capability is only valid for radio
- tuners.
-
- - .. row 10
-
- - ``V4L2_TUNER_CAP_RDS_BLOCK_IO``
-
- - 0x0100
-
- - The RDS data is passed as unparsed RDS blocks.
-
- - .. row 11
-
- - ``V4L2_TUNER_CAP_RDS_CONTROLS``
-
- - 0x0200
-
- - The RDS data is parsed by the hardware and set via controls.
-
- - .. row 12
-
- - ``V4L2_TUNER_CAP_FREQ_BANDS``
-
- - 0x0400
-
- - The :ref:`VIDIOC_ENUM_FREQ_BANDS`
- ioctl can be used to enumerate the available frequency bands.
-
- - .. row 13
-
- - ``V4L2_TUNER_CAP_HWSEEK_PROG_LIM``
-
- - 0x0800
-
- - The range to search when using the hardware seek functionality is
- programmable, see
- :ref:`VIDIOC_S_HW_FREQ_SEEK` for
- details.
-
- - .. row 14
-
- - ``V4L2_TUNER_CAP_1HZ``
-
- - 0x1000
-
- - When set, tuning frequencies are expressed in units of 1 Hz
- instead of 62.5 kHz.
+ * - ``V4L2_TUNER_CAP_LOW``
+ - 0x0001
+ - When set, tuning frequencies are expressed in units of 62.5 Hz
+ instead of 62.5 kHz.
+ * - ``V4L2_TUNER_CAP_NORM``
+ - 0x0002
+ - This is a multi-standard tuner; the video standard can or must be
+ switched. (B/G PAL tuners for example are typically not considered
+ multi-standard because the video standard is automatically
+ determined from the frequency band.) The set of supported video
+ standards is available from the struct
+ :c:type:`v4l2_input` pointing to this tuner, see the
+ description of ioctl :ref:`VIDIOC_ENUMINPUT`
+ for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
+ capability.
+ * - ``V4L2_TUNER_CAP_HWSEEK_BOUNDED``
+ - 0x0004
+ - If set, then this tuner supports the hardware seek functionality
+ where the seek stops when it reaches the end of the frequency
+ range.
+ * - ``V4L2_TUNER_CAP_HWSEEK_WRAP``
+ - 0x0008
+ - If set, then this tuner supports the hardware seek functionality
+ where the seek wraps around when it reaches the end of the
+ frequency range.
+ * - ``V4L2_TUNER_CAP_STEREO``
+ - 0x0010
+ - Stereo audio reception is supported.
+ * - ``V4L2_TUNER_CAP_LANG1``
+ - 0x0040
+ - Reception of the primary language of a bilingual audio program is
+ supported. Bilingual audio is a feature of two-channel systems,
+ transmitting the primary language monaural on the main audio
+ carrier and a secondary language monaural on a second carrier.
+ Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
+ * - ``V4L2_TUNER_CAP_LANG2``
+ - 0x0020
+ - Reception of the secondary language of a bilingual audio program
+ is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
+ capability.
+ * - ``V4L2_TUNER_CAP_SAP``
+ - 0x0020
+ - Reception of a secondary audio program is supported. This is a
+ feature of the BTSC system which accompanies the NTSC video
+ standard. Two audio carriers are available for mono or stereo
+ transmissions of a primary language, and an independent third
+ carrier for a monaural secondary language. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
+
+ .. note::
+
+ The ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP``
+ flags are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner
+ supports the ``V4L2_STD_NTSC_M`` video standard.
+ * - ``V4L2_TUNER_CAP_RDS``
+ - 0x0080
+ - RDS capture is supported. This capability is only valid for radio
+ tuners.
+ * - ``V4L2_TUNER_CAP_RDS_BLOCK_IO``
+ - 0x0100
+ - The RDS data is passed as unparsed RDS blocks.
+ * - ``V4L2_TUNER_CAP_RDS_CONTROLS``
+ - 0x0200
+ - The RDS data is parsed by the hardware and set via controls.
+ * - ``V4L2_TUNER_CAP_FREQ_BANDS``
+ - 0x0400
+ - The :ref:`VIDIOC_ENUM_FREQ_BANDS`
+ ioctl can be used to enumerate the available frequency bands.
+ * - ``V4L2_TUNER_CAP_HWSEEK_PROG_LIM``
+ - 0x0800
+ - The range to search when using the hardware seek functionality is
+ programmable, see
+ :ref:`VIDIOC_S_HW_FREQ_SEEK` for
+ details.
+ * - ``V4L2_TUNER_CAP_1HZ``
+ - 0x1000
+ - When set, tuning frequencies are expressed in units of 1 Hz
+ instead of 62.5 kHz.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TUNER_SUB_MONO``
-
- - 0x0001
-
- - The tuner receives a mono audio signal.
-
- - .. row 2
-
- - ``V4L2_TUNER_SUB_STEREO``
-
- - 0x0002
-
- - The tuner receives a stereo audio signal.
-
- - .. row 3
-
- - ``V4L2_TUNER_SUB_LANG1``
-
- - 0x0008
-
- - The tuner receives the primary language of a bilingual audio
- signal. Drivers must clear this flag when the current video
- standard is ``V4L2_STD_NTSC_M``.
-
- - .. row 4
-
- - ``V4L2_TUNER_SUB_LANG2``
-
- - 0x0004
-
- - The tuner receives the secondary language of a bilingual audio
- signal (or a second audio program).
-
- - .. row 5
-
- - ``V4L2_TUNER_SUB_SAP``
-
- - 0x0004
-
- - The tuner receives a Second Audio Program.
-
- .. note::
-
- The ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP``
- flags are synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies
- when the current video standard is ``V4L2_STD_NTSC_M``.
-
- - .. row 6
-
- - ``V4L2_TUNER_SUB_RDS``
-
- - 0x0010
-
- - The tuner receives an RDS channel.
+ * - ``V4L2_TUNER_SUB_MONO``
+ - 0x0001
+ - The tuner receives a mono audio signal.
+ * - ``V4L2_TUNER_SUB_STEREO``
+ - 0x0002
+ - The tuner receives a stereo audio signal.
+ * - ``V4L2_TUNER_SUB_LANG1``
+ - 0x0008
+ - The tuner receives the primary language of a bilingual audio
+ signal. Drivers must clear this flag when the current video
+ standard is ``V4L2_STD_NTSC_M``.
+ * - ``V4L2_TUNER_SUB_LANG2``
+ - 0x0004
+ - The tuner receives the secondary language of a bilingual audio
+ signal (or a second audio program).
+ * - ``V4L2_TUNER_SUB_SAP``
+ - 0x0004
+ - The tuner receives a Second Audio Program.
+
+ .. note::
+
+ The ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP``
+ flags are synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies
+ when the current video standard is ``V4L2_STD_NTSC_M``.
+ * - ``V4L2_TUNER_SUB_RDS``
+ - 0x0010
+ - The tuner receives an RDS channel.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_TUNER_MODE_MONO``
-
- - 0
-
- - Play mono audio. When the tuner receives a stereo signal this a
- down-mix of the left and right channel. When the tuner receives a
- bilingual or SAP signal this mode selects the primary language.
-
- - .. row 2
-
- - ``V4L2_TUNER_MODE_STEREO``
-
- - 1
-
- - Play stereo audio. When the tuner receives bilingual audio it may
- play different languages on the left and right channel or the
- primary language is played on both channels.
-
- Playing different languages in this mode is deprecated. New
- drivers should do this only in ``MODE_LANG1_LANG2``.
-
- When the tuner receives no stereo signal or does not support
- stereo reception the driver shall fall back to ``MODE_MONO``.
-
- - .. row 3
-
- - ``V4L2_TUNER_MODE_LANG1``
-
- - 3
-
- - Play the primary language, mono or stereo. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
-
- - .. row 4
-
- - ``V4L2_TUNER_MODE_LANG2``
-
- - 2
-
- - Play the secondary language, mono. When the tuner receives no
- bilingual audio or SAP, or their reception is not supported the
- driver shall fall back to mono or stereo mode. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
-
- - .. row 5
-
- - ``V4L2_TUNER_MODE_SAP``
-
- - 2
-
- - Play the Second Audio Program. When the tuner receives no
- bilingual audio or SAP, or their reception is not supported the
- driver shall fall back to mono or stereo mode. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
-
- .. note:: The ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP``
- are synonyms.
-
- - .. row 6
-
- - ``V4L2_TUNER_MODE_LANG1_LANG2``
-
- - 4
-
- - Play the primary language on the left channel, the secondary
- language on the right channel. When the tuner receives no
- bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or
- ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this
- mode.
+ * - ``V4L2_TUNER_MODE_MONO``
+ - 0
+ - Play mono audio. When the tuner receives a stereo signal this a
+ down-mix of the left and right channel. When the tuner receives a
+ bilingual or SAP signal this mode selects the primary language.
+ * - ``V4L2_TUNER_MODE_STEREO``
+ - 1
+ - Play stereo audio. When the tuner receives bilingual audio it may
+ play different languages on the left and right channel or the
+ primary language is played on both channels.
+
+ Playing different languages in this mode is deprecated. New
+ drivers should do this only in ``MODE_LANG1_LANG2``.
+
+ When the tuner receives no stereo signal or does not support
+ stereo reception the driver shall fall back to ``MODE_MONO``.
+ * - ``V4L2_TUNER_MODE_LANG1``
+ - 3
+ - Play the primary language, mono or stereo. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
+ * - ``V4L2_TUNER_MODE_LANG2``
+ - 2
+ - Play the secondary language, mono. When the tuner receives no
+ bilingual audio or SAP, or their reception is not supported the
+ driver shall fall back to mono or stereo mode. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
+ * - ``V4L2_TUNER_MODE_SAP``
+ - 2
+ - Play the Second Audio Program. When the tuner receives no
+ bilingual audio or SAP, or their reception is not supported the
+ driver shall fall back to mono or stereo mode. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
+
+ .. note:: The ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP``
+ are synonyms.
+ * - ``V4L2_TUNER_MODE_LANG1_LANG2``
+ - 4
+ - Play the primary language on the left channel, the secondary
+ language on the right channel. When the tuner receives no
+ bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or
+ ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this
+ mode.
.. raw:: latex
:header-rows: 2
:stub-columns: 0
-
- - .. row 1
-
- -
- - :cspan:`5` Selected ``V4L2_TUNER_MODE_``
-
- - .. row 2
-
- - Received ``V4L2_TUNER_SUB_``
-
- - ``MONO``
-
- - ``STEREO``
-
- - ``LANG1``
-
- - ``LANG2 = SAP``
-
- - ``LANG1_LANG2``\ [#f1]_
-
- - .. row 3
-
- - ``MONO``
-
- - Mono
-
- - Mono/Mono
-
- - Mono
-
- - Mono
-
- - Mono/Mono
-
- - .. row 4
-
- - ``MONO | SAP``
-
- - Mono
-
- - Mono/Mono
-
- - Mono
-
- - SAP
-
- - Mono/SAP (preferred) or Mono/Mono
-
- - .. row 5
-
- - ``STEREO``
-
- - L+R
-
- - L/R
-
- - Stereo L/R (preferred) or Mono L+R
-
- - Stereo L/R (preferred) or Mono L+R
-
- - L/R (preferred) or L+R/L+R
-
- - .. row 6
-
- - ``STEREO | SAP``
-
- - L+R
-
- - L/R
-
- - Stereo L/R (preferred) or Mono L+R
-
- - SAP
-
- - L+R/SAP (preferred) or L/R or L+R/L+R
-
- - .. row 7
-
- - ``LANG1 | LANG2``
-
- - Language 1
-
- - Lang1/Lang2 (deprecated [#f2]_) or Lang1/Lang1
-
- - Language 1
-
- - Language 2
-
- - Lang1/Lang2 (preferred) or Lang1/Lang1
+ * -
+ - :cspan:`5` Selected ``V4L2_TUNER_MODE_``
+ * - Received ``V4L2_TUNER_SUB_``
+ - ``MONO``
+ - ``STEREO``
+ - ``LANG1``
+ - ``LANG2 = SAP``
+ - ``LANG1_LANG2``\ [#f1]_
+ * - ``MONO``
+ - Mono
+ - Mono/Mono
+ - Mono
+ - Mono
+ - Mono/Mono
+ * - ``MONO | SAP``
+ - Mono
+ - Mono/Mono
+ - Mono
+ - SAP
+ - Mono/SAP (preferred) or Mono/Mono
+ * - ``STEREO``
+ - L+R
+ - L/R
+ - Stereo L/R (preferred) or Mono L+R
+ - Stereo L/R (preferred) or Mono L+R
+ - L/R (preferred) or L+R/L+R
+ * - ``STEREO | SAP``
+ - L+R
+ - L/R
+ - Stereo L/R (preferred) or Mono L+R
+ - SAP
+ - L+R/SAP (preferred) or L/R or L+R/L+R
+ * - ``LANG1 | LANG2``
+ - Language 1
+ - Lang1/Lang2 (deprecated [#f2]_) or Lang1/Lang1
+ - Language 1
+ - Language 2
+ - Lang1/Lang2 (preferred) or Lang1/Lang1
.. raw:: latex
:stub-columns: 0
:widths: 3 4 20
- - .. row 1
-
- - __u8
-
- - ``driver``\ [16]
-
- - Name of the driver, a unique NUL-terminated ASCII string. For
- example: "bttv". Driver specific applications can use this
- information to verify the driver identity. It is also useful to
- work around known bugs, or to identify drivers in error reports.
-
- Storing strings in fixed sized arrays is bad practice but
- unavoidable here. Drivers and applications should take precautions
- to never read or write beyond the end of the array and to make
- sure the strings are properly NUL-terminated.
-
- - .. row 2
-
- - __u8
-
- - ``card``\ [32]
-
- - Name of the device, a NUL-terminated UTF-8 string. For example:
- "Yoyodyne TV/FM". One driver may support different brands or
- models of video hardware. This information is intended for users,
- for example in a menu of available devices. Since multiple TV
- cards of the same brand may be installed which are supported by
- the same driver, this name should be combined with the character
- device file name (e. g. ``/dev/video2``) or the ``bus_info``
- string to avoid ambiguities.
-
- - .. row 3
-
- - __u8
-
- - ``bus_info``\ [32]
-
- - Location of the device in the system, a NUL-terminated ASCII
- string. For example: "PCI:0000:05:06.0". This information is
- intended for users, to distinguish multiple identical devices. If
- no such information is available the field must simply count the
- devices controlled by the driver ("platform:vivi-000"). The
- bus_info must start with "PCI:" for PCI boards, "PCIe:" for PCI
- Express boards, "usb-" for USB devices, "I2C:" for i2c devices,
- "ISA:" for ISA devices, "parport" for parallel port devices and
- "platform:" for platform devices.
-
- - .. row 4
-
- - __u32
-
- - ``version``
-
- - Version number of the driver.
-
- Starting with kernel 3.1, the version reported is provided by the
- V4L2 subsystem following the kernel numbering scheme. However, it
- may not always return the same version as the kernel if, for
- example, a stable or distribution-modified kernel uses the V4L2
- stack from a newer kernel.
-
- The version number is formatted using the ``KERNEL_VERSION()``
- macro:
-
- - .. row 5
-
- - :cspan:`2`
-
- ``#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))``
-
- ``__u32 version = KERNEL_VERSION(0, 8, 1);``
-
- ``printf ("Version: %u.%u.%u\\n",``
-
- ``(version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);``
-
- - .. row 6
-
- - __u32
-
- - ``capabilities``
-
- - Available capabilities of the physical device as a whole, see
- :ref:`device-capabilities`. The same physical device can export
- multiple devices in /dev (e.g. /dev/videoX, /dev/vbiY and
- /dev/radioZ). The ``capabilities`` field should contain a union of
- all capabilities available around the several V4L2 devices
- exported to userspace. For all those devices the ``capabilities``
- field returns the same set of capabilities. This allows
- applications to open just one of the devices (typically the video
- device) and discover whether video, vbi and/or radio are also
- supported.
-
- - .. row 7
-
- - __u32
-
- - ``device_caps``
-
- - Device capabilities of the opened device, see
- :ref:`device-capabilities`. Should contain the available
- capabilities of that specific device node. So, for example,
- ``device_caps`` of a radio device will only contain radio related
- capabilities and no video or vbi capabilities. This field is only
- set if the ``capabilities`` field contains the
- ``V4L2_CAP_DEVICE_CAPS`` capability. Only the ``capabilities``
- field can have the ``V4L2_CAP_DEVICE_CAPS`` capability,
- ``device_caps`` will never set ``V4L2_CAP_DEVICE_CAPS``.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [3]
-
- - Reserved for future extensions. Drivers must set this array to
- zero.
+ * - __u8
+ - ``driver``\ [16]
+ - Name of the driver, a unique NUL-terminated ASCII string. For
+ example: "bttv". Driver specific applications can use this
+ information to verify the driver identity. It is also useful to
+ work around known bugs, or to identify drivers in error reports.
+
+ Storing strings in fixed sized arrays is bad practice but
+ unavoidable here. Drivers and applications should take precautions
+ to never read or write beyond the end of the array and to make
+ sure the strings are properly NUL-terminated.
+ * - __u8
+ - ``card``\ [32]
+ - Name of the device, a NUL-terminated UTF-8 string. For example:
+ "Yoyodyne TV/FM". One driver may support different brands or
+ models of video hardware. This information is intended for users,
+ for example in a menu of available devices. Since multiple TV
+ cards of the same brand may be installed which are supported by
+ the same driver, this name should be combined with the character
+ device file name (e. g. ``/dev/video2``) or the ``bus_info``
+ string to avoid ambiguities.
+ * - __u8
+ - ``bus_info``\ [32]
+ - Location of the device in the system, a NUL-terminated ASCII
+ string. For example: "PCI:0000:05:06.0". This information is
+ intended for users, to distinguish multiple identical devices. If
+ no such information is available the field must simply count the
+ devices controlled by the driver ("platform:vivi-000"). The
+ bus_info must start with "PCI:" for PCI boards, "PCIe:" for PCI
+ Express boards, "usb-" for USB devices, "I2C:" for i2c devices,
+ "ISA:" for ISA devices, "parport" for parallel port devices and
+ "platform:" for platform devices.
+ * - __u32
+ - ``version``
+ - Version number of the driver.
+
+ Starting with kernel 3.1, the version reported is provided by the
+ V4L2 subsystem following the kernel numbering scheme. However, it
+ may not always return the same version as the kernel if, for
+ example, a stable or distribution-modified kernel uses the V4L2
+ stack from a newer kernel.
+
+ The version number is formatted using the ``KERNEL_VERSION()``
+ macro:
+ * - :cspan:`2`
+
+ ``#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))``
+
+ ``__u32 version = KERNEL_VERSION(0, 8, 1);``
+
+ ``printf ("Version: %u.%u.%u\\n",``
+
+ ``(version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);``
+ * - __u32
+ - ``capabilities``
+ - Available capabilities of the physical device as a whole, see
+ :ref:`device-capabilities`. The same physical device can export
+ multiple devices in /dev (e.g. /dev/videoX, /dev/vbiY and
+ /dev/radioZ). The ``capabilities`` field should contain a union of
+ all capabilities available around the several V4L2 devices
+ exported to userspace. For all those devices the ``capabilities``
+ field returns the same set of capabilities. This allows
+ applications to open just one of the devices (typically the video
+ device) and discover whether video, vbi and/or radio are also
+ supported.
+ * - __u32
+ - ``device_caps``
+ - Device capabilities of the opened device, see
+ :ref:`device-capabilities`. Should contain the available
+ capabilities of that specific device node. So, for example,
+ ``device_caps`` of a radio device will only contain radio related
+ capabilities and no video or vbi capabilities. This field is only
+ set if the ``capabilities`` field contains the
+ ``V4L2_CAP_DEVICE_CAPS`` capability. Only the ``capabilities``
+ field can have the ``V4L2_CAP_DEVICE_CAPS`` capability,
+ ``device_caps`` will never set ``V4L2_CAP_DEVICE_CAPS``.
+ * - __u32
+ - ``reserved``\ [3]
+ - Reserved for future extensions. Drivers must set this array to
+ zero.
:stub-columns: 0
:widths: 3 1 4
- - .. row 1
-
- - ``V4L2_CAP_VIDEO_CAPTURE``
-
- - 0x00000001
-
- - The device supports the single-planar API through the
- :ref:`Video Capture <capture>` interface.
-
- - .. row 2
-
- - ``V4L2_CAP_VIDEO_CAPTURE_MPLANE``
-
- - 0x00001000
-
- - The device supports the :ref:`multi-planar API <planar-apis>`
- through the :ref:`Video Capture <capture>` interface.
-
- - .. row 3
-
- - ``V4L2_CAP_VIDEO_OUTPUT``
-
- - 0x00000002
-
- - The device supports the single-planar API through the
- :ref:`Video Output <output>` interface.
-
- - .. row 4
-
- - ``V4L2_CAP_VIDEO_OUTPUT_MPLANE``
-
- - 0x00002000
-
- - The device supports the :ref:`multi-planar API <planar-apis>`
- through the :ref:`Video Output <output>` interface.
-
- - .. row 5
-
- - ``V4L2_CAP_VIDEO_M2M``
-
- - 0x00004000
-
- - The device supports the single-planar API through the Video
- Memory-To-Memory interface.
-
- - .. row 6
-
- - ``V4L2_CAP_VIDEO_M2M_MPLANE``
-
- - 0x00008000
-
- - The device supports the :ref:`multi-planar API <planar-apis>`
- through the Video Memory-To-Memory interface.
-
- - .. row 7
-
- - ``V4L2_CAP_VIDEO_OVERLAY``
-
- - 0x00000004
-
- - The device supports the :ref:`Video Overlay <overlay>`
- interface. A video overlay device typically stores captured images
- directly in the video memory of a graphics card, with hardware
- clipping and scaling.
-
- - .. row 8
-
- - ``V4L2_CAP_VBI_CAPTURE``
-
- - 0x00000010
-
- - The device supports the :ref:`Raw VBI Capture <raw-vbi>`
- interface, providing Teletext and Closed Caption data.
-
- - .. row 9
-
- - ``V4L2_CAP_VBI_OUTPUT``
-
- - 0x00000020
-
- - The device supports the :ref:`Raw VBI Output <raw-vbi>`
- interface.
-
- - .. row 10
-
- - ``V4L2_CAP_SLICED_VBI_CAPTURE``
-
- - 0x00000040
-
- - The device supports the :ref:`Sliced VBI Capture <sliced>`
- interface.
-
- - .. row 11
-
- - ``V4L2_CAP_SLICED_VBI_OUTPUT``
-
- - 0x00000080
-
- - The device supports the :ref:`Sliced VBI Output <sliced>`
- interface.
-
- - .. row 12
-
- - ``V4L2_CAP_RDS_CAPTURE``
-
- - 0x00000100
-
- - The device supports the :ref:`RDS <rds>` capture interface.
-
- - .. row 13
-
- - ``V4L2_CAP_VIDEO_OUTPUT_OVERLAY``
-
- - 0x00000200
-
- - The device supports the :ref:`Video Output Overlay <osd>` (OSD)
- interface. Unlike the *Video Overlay* interface, this is a
- secondary function of video output devices and overlays an image
- onto an outgoing video signal. When the driver sets this flag, it
- must clear the ``V4L2_CAP_VIDEO_OVERLAY`` flag and vice
- versa. [#f1]_
-
- - .. row 14
-
- - ``V4L2_CAP_HW_FREQ_SEEK``
-
- - 0x00000400
-
- - The device supports the
- :ref:`VIDIOC_S_HW_FREQ_SEEK` ioctl
- for hardware frequency seeking.
-
- - .. row 15
-
- - ``V4L2_CAP_RDS_OUTPUT``
-
- - 0x00000800
-
- - The device supports the :ref:`RDS <rds>` output interface.
-
- - .. row 16
-
- - ``V4L2_CAP_TUNER``
-
- - 0x00010000
-
- - The device has some sort of tuner to receive RF-modulated video
- signals. For more information about tuner programming see
- :ref:`tuner`.
-
- - .. row 17
-
- - ``V4L2_CAP_AUDIO``
-
- - 0x00020000
-
- - The device has audio inputs or outputs. It may or may not support
- audio recording or playback, in PCM or compressed formats. PCM
- audio support must be implemented as ALSA or OSS interface. For
- more information on audio inputs and outputs see :ref:`audio`.
-
- - .. row 18
-
- - ``V4L2_CAP_RADIO``
-
- - 0x00040000
-
- - This is a radio receiver.
-
- - .. row 19
-
- - ``V4L2_CAP_MODULATOR``
-
- - 0x00080000
-
- - The device has some sort of modulator to emit RF-modulated
- video/audio signals. For more information about modulator
- programming see :ref:`tuner`.
-
- - .. row 20
-
- - ``V4L2_CAP_SDR_CAPTURE``
-
- - 0x00100000
-
- - The device supports the :ref:`SDR Capture <sdr>` interface.
-
- - .. row 21
-
- - ``V4L2_CAP_EXT_PIX_FORMAT``
-
- - 0x00200000
-
- - The device supports the struct
- :c:type:`v4l2_pix_format` extended fields.
-
- - .. row 22
-
- - ``V4L2_CAP_SDR_OUTPUT``
-
- - 0x00400000
-
- - The device supports the :ref:`SDR Output <sdr>` interface.
-
- - .. row 23
-
- - ``V4L2_CAP_READWRITE``
-
- - 0x01000000
-
- - The device supports the :ref:`read() <rw>` and/or
- :ref:`write() <rw>` I/O methods.
-
- - .. row 24
-
- - ``V4L2_CAP_ASYNCIO``
-
- - 0x02000000
-
- - The device supports the :ref:`asynchronous <async>` I/O methods.
-
- - .. row 25
-
- - ``V4L2_CAP_STREAMING``
-
- - 0x04000000
-
- - The device supports the :ref:`streaming <mmap>` I/O method.
-
- - .. row 26
-
- - ``V4L2_CAP_TOUCH``
-
- - 0x10000000
-
- - This is a touch device.
-
- - .. row 27
-
- - ``V4L2_CAP_DEVICE_CAPS``
-
- - 0x80000000
-
- - The driver fills the ``device_caps`` field. This capability can
- only appear in the ``capabilities`` field and never in the
- ``device_caps`` field.
+ * - ``V4L2_CAP_VIDEO_CAPTURE``
+ - 0x00000001
+ - The device supports the single-planar API through the
+ :ref:`Video Capture <capture>` interface.
+ * - ``V4L2_CAP_VIDEO_CAPTURE_MPLANE``
+ - 0x00001000
+ - The device supports the :ref:`multi-planar API <planar-apis>`
+ through the :ref:`Video Capture <capture>` interface.
+ * - ``V4L2_CAP_VIDEO_OUTPUT``
+ - 0x00000002
+ - The device supports the single-planar API through the
+ :ref:`Video Output <output>` interface.
+ * - ``V4L2_CAP_VIDEO_OUTPUT_MPLANE``
+ - 0x00002000
+ - The device supports the :ref:`multi-planar API <planar-apis>`
+ through the :ref:`Video Output <output>` interface.
+ * - ``V4L2_CAP_VIDEO_M2M``
+ - 0x00004000
+ - The device supports the single-planar API through the Video
+ Memory-To-Memory interface.
+ * - ``V4L2_CAP_VIDEO_M2M_MPLANE``
+ - 0x00008000
+ - The device supports the :ref:`multi-planar API <planar-apis>`
+ through the Video Memory-To-Memory interface.
+ * - ``V4L2_CAP_VIDEO_OVERLAY``
+ - 0x00000004
+ - The device supports the :ref:`Video Overlay <overlay>`
+ interface. A video overlay device typically stores captured images
+ directly in the video memory of a graphics card, with hardware
+ clipping and scaling.
+ * - ``V4L2_CAP_VBI_CAPTURE``
+ - 0x00000010
+ - The device supports the :ref:`Raw VBI Capture <raw-vbi>`
+ interface, providing Teletext and Closed Caption data.
+ * - ``V4L2_CAP_VBI_OUTPUT``
+ - 0x00000020
+ - The device supports the :ref:`Raw VBI Output <raw-vbi>`
+ interface.
+ * - ``V4L2_CAP_SLICED_VBI_CAPTURE``
+ - 0x00000040
+ - The device supports the :ref:`Sliced VBI Capture <sliced>`
+ interface.
+ * - ``V4L2_CAP_SLICED_VBI_OUTPUT``
+ - 0x00000080
+ - The device supports the :ref:`Sliced VBI Output <sliced>`
+ interface.
+ * - ``V4L2_CAP_RDS_CAPTURE``
+ - 0x00000100
+ - The device supports the :ref:`RDS <rds>` capture interface.
+ * - ``V4L2_CAP_VIDEO_OUTPUT_OVERLAY``
+ - 0x00000200
+ - The device supports the :ref:`Video Output Overlay <osd>` (OSD)
+ interface. Unlike the *Video Overlay* interface, this is a
+ secondary function of video output devices and overlays an image
+ onto an outgoing video signal. When the driver sets this flag, it
+ must clear the ``V4L2_CAP_VIDEO_OVERLAY`` flag and vice
+ versa. [#f1]_
+ * - ``V4L2_CAP_HW_FREQ_SEEK``
+ - 0x00000400
+ - The device supports the
+ :ref:`VIDIOC_S_HW_FREQ_SEEK` ioctl
+ for hardware frequency seeking.
+ * - ``V4L2_CAP_RDS_OUTPUT``
+ - 0x00000800
+ - The device supports the :ref:`RDS <rds>` output interface.
+ * - ``V4L2_CAP_TUNER``
+ - 0x00010000
+ - The device has some sort of tuner to receive RF-modulated video
+ signals. For more information about tuner programming see
+ :ref:`tuner`.
+ * - ``V4L2_CAP_AUDIO``
+ - 0x00020000
+ - The device has audio inputs or outputs. It may or may not support
+ audio recording or playback, in PCM or compressed formats. PCM
+ audio support must be implemented as ALSA or OSS interface. For
+ more information on audio inputs and outputs see :ref:`audio`.
+ * - ``V4L2_CAP_RADIO``
+ - 0x00040000
+ - This is a radio receiver.
+ * - ``V4L2_CAP_MODULATOR``
+ - 0x00080000
+ - The device has some sort of modulator to emit RF-modulated
+ video/audio signals. For more information about modulator
+ programming see :ref:`tuner`.
+ * - ``V4L2_CAP_SDR_CAPTURE``
+ - 0x00100000
+ - The device supports the :ref:`SDR Capture <sdr>` interface.
+ * - ``V4L2_CAP_EXT_PIX_FORMAT``
+ - 0x00200000
+ - The device supports the struct
+ :c:type:`v4l2_pix_format` extended fields.
+ * - ``V4L2_CAP_SDR_OUTPUT``
+ - 0x00400000
+ - The device supports the :ref:`SDR Output <sdr>` interface.
+ * - ``V4L2_CAP_READWRITE``
+ - 0x01000000
+ - The device supports the :ref:`read() <rw>` and/or
+ :ref:`write() <rw>` I/O methods.
+ * - ``V4L2_CAP_ASYNCIO``
+ - 0x02000000
+ - The device supports the :ref:`asynchronous <async>` I/O methods.
+ * - ``V4L2_CAP_STREAMING``
+ - 0x04000000
+ - The device supports the :ref:`streaming <mmap>` I/O method.
+ * - ``V4L2_CAP_TOUCH``
+ - 0x10000000
+ - This is a touch device.
+ * - ``V4L2_CAP_DEVICE_CAPS``
+ - 0x80000000
+ - The driver fills the ``device_caps`` field. This capability can
+ only appear in the ``capabilities`` field and never in the
+ ``device_caps`` field.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``id``
-
- - Identifies the control, set by the application. See
- :ref:`control-id` for predefined IDs. When the ID is ORed with
- V4L2_CTRL_FLAG_NEXT_CTRL the driver clears the flag and
- returns the first control with a higher ID. Drivers which do not
- support this flag yet always return an ``EINVAL`` error code.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - Type of control, see :c:type:`v4l2_ctrl_type`.
-
- - .. row 3
-
- - __u8
-
- - ``name``\ [32]
-
- - Name of the control, a NUL-terminated ASCII string. This
- information is intended for the user.
-
- - .. row 4
-
- - __s32
-
- - ``minimum``
-
- - Minimum value, inclusive. This field gives a lower bound for the
- control. See enum :c:type:`v4l2_ctrl_type` how
- the minimum value is to be used for each possible control type.
- Note that this a signed 32-bit value.
-
- - .. row 5
-
- - __s32
-
- - ``maximum``
-
- - Maximum value, inclusive. This field gives an upper bound for the
- control. See enum :c:type:`v4l2_ctrl_type` how
- the maximum value is to be used for each possible control type.
- Note that this a signed 32-bit value.
-
- - .. row 6
-
- - __s32
-
- - ``step``
-
- - This field gives a step size for the control. See enum
- :c:type:`v4l2_ctrl_type` how the step value is
- to be used for each possible control type. Note that this an
- unsigned 32-bit value.
-
- Generally drivers should not scale hardware control values. It may
- be necessary for example when the ``name`` or ``id`` imply a
- particular unit and the hardware actually accepts only multiples
- of said unit. If so, drivers must take care values are properly
- rounded when scaling, such that errors will not accumulate on
- repeated read-write cycles.
-
- This field gives the smallest change of an integer control
- actually affecting hardware. Often the information is needed when
- the user can change controls by keyboard or GUI buttons, rather
- than a slider. When for example a hardware register accepts values
- 0-511 and the driver reports 0-65535, step should be 128.
-
- Note that although signed, the step value is supposed to be always
- positive.
-
- - .. row 7
-
- - __s32
-
- - ``default_value``
-
- - The default value of a ``V4L2_CTRL_TYPE_INTEGER``, ``_BOOLEAN``,
- ``_BITMASK``, ``_MENU`` or ``_INTEGER_MENU`` control. Not valid
- for other types of controls.
-
- .. note::
-
- Drivers reset controls to their default value only when
- the driver is first loaded, never afterwards.
-
- - .. row 8
-
- - __u32
-
- - ``flags``
-
- - Control flags, see :ref:`control-flags`.
-
- - .. row 9
-
- - __u32
-
- - ``reserved``\ [2]
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ - ``id``
+ - Identifies the control, set by the application. See
+ :ref:`control-id` for predefined IDs. When the ID is ORed with
+ V4L2_CTRL_FLAG_NEXT_CTRL the driver clears the flag and
+ returns the first control with a higher ID. Drivers which do not
+ support this flag yet always return an ``EINVAL`` error code.
+ * - __u32
+ - ``type``
+ - Type of control, see :c:type:`v4l2_ctrl_type`.
+ * - __u8
+ - ``name``\ [32]
+ - Name of the control, a NUL-terminated ASCII string. This
+ information is intended for the user.
+ * - __s32
+ - ``minimum``
+ - Minimum value, inclusive. This field gives a lower bound for the
+ control. See enum :c:type:`v4l2_ctrl_type` how
+ the minimum value is to be used for each possible control type.
+ Note that this a signed 32-bit value.
+ * - __s32
+ - ``maximum``
+ - Maximum value, inclusive. This field gives an upper bound for the
+ control. See enum :c:type:`v4l2_ctrl_type` how
+ the maximum value is to be used for each possible control type.
+ Note that this a signed 32-bit value.
+ * - __s32
+ - ``step``
+ - This field gives a step size for the control. See enum
+ :c:type:`v4l2_ctrl_type` how the step value is
+ to be used for each possible control type. Note that this an
+ unsigned 32-bit value.
+
+ Generally drivers should not scale hardware control values. It may
+ be necessary for example when the ``name`` or ``id`` imply a
+ particular unit and the hardware actually accepts only multiples
+ of said unit. If so, drivers must take care values are properly
+ rounded when scaling, such that errors will not accumulate on
+ repeated read-write cycles.
+
+ This field gives the smallest change of an integer control
+ actually affecting hardware. Often the information is needed when
+ the user can change controls by keyboard or GUI buttons, rather
+ than a slider. When for example a hardware register accepts values
+ 0-511 and the driver reports 0-65535, step should be 128.
+
+ Note that although signed, the step value is supposed to be always
+ positive.
+ * - __s32
+ - ``default_value``
+ - The default value of a ``V4L2_CTRL_TYPE_INTEGER``, ``_BOOLEAN``,
+ ``_BITMASK``, ``_MENU`` or ``_INTEGER_MENU`` control. Not valid
+ for other types of controls.
+
+ .. note::
+
+ Drivers reset controls to their default value only when
+ the driver is first loaded, never afterwards.
+ * - __u32
+ - ``flags``
+ - Control flags, see :ref:`control-flags`.
+ * - __u32
+ - ``reserved``\ [2]
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``id``
-
- - Identifies the control, set by the application. See
- :ref:`control-id` for predefined IDs. When the ID is ORed with
- ``V4L2_CTRL_FLAG_NEXT_CTRL`` the driver clears the flag and
- returns the first non-compound control with a higher ID. When the
- ID is ORed with ``V4L2_CTRL_FLAG_NEXT_COMPOUND`` the driver clears
- the flag and returns the first compound control with a higher ID.
- Set both to get the first control (compound or not) with a higher
- ID.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - Type of control, see :c:type:`v4l2_ctrl_type`.
-
- - .. row 3
-
- - char
-
- - ``name``\ [32]
-
- - Name of the control, a NUL-terminated ASCII string. This
- information is intended for the user.
-
- - .. row 4
-
- - __s64
-
- - ``minimum``
-
- - Minimum value, inclusive. This field gives a lower bound for the
- control. See enum :c:type:`v4l2_ctrl_type` how
- the minimum value is to be used for each possible control type.
- Note that this a signed 64-bit value.
-
- - .. row 5
-
- - __s64
-
- - ``maximum``
-
- - Maximum value, inclusive. This field gives an upper bound for the
- control. See enum :c:type:`v4l2_ctrl_type` how
- the maximum value is to be used for each possible control type.
- Note that this a signed 64-bit value.
-
- - .. row 6
-
- - __u64
-
- - ``step``
-
- - This field gives a step size for the control. See enum
- :c:type:`v4l2_ctrl_type` how the step value is
- to be used for each possible control type. Note that this an
- unsigned 64-bit value.
-
- Generally drivers should not scale hardware control values. It may
- be necessary for example when the ``name`` or ``id`` imply a
- particular unit and the hardware actually accepts only multiples
- of said unit. If so, drivers must take care values are properly
- rounded when scaling, such that errors will not accumulate on
- repeated read-write cycles.
-
- This field gives the smallest change of an integer control
- actually affecting hardware. Often the information is needed when
- the user can change controls by keyboard or GUI buttons, rather
- than a slider. When for example a hardware register accepts values
- 0-511 and the driver reports 0-65535, step should be 128.
-
- - .. row 7
-
- - __s64
-
- - ``default_value``
-
- - The default value of a ``V4L2_CTRL_TYPE_INTEGER``, ``_INTEGER64``,
- ``_BOOLEAN``, ``_BITMASK``, ``_MENU``, ``_INTEGER_MENU``, ``_U8``
- or ``_U16`` control. Not valid for other types of controls.
-
- .. note::
-
- Drivers reset controls to their default value only when
- the driver is first loaded, never afterwards.
-
- - .. row 8
-
- - __u32
-
- - ``flags``
-
- - Control flags, see :ref:`control-flags`.
-
- - .. row 9
-
- - __u32
-
- - ``elem_size``
-
- - The size in bytes of a single element of the array. Given a char
- pointer ``p`` to a 3-dimensional array you can find the position
- of cell ``(z, y, x)`` as follows:
- ``p + ((z * dims[1] + y) * dims[0] + x) * elem_size``.
- ``elem_size`` is always valid, also when the control isn't an
- array. For string controls ``elem_size`` is equal to
- ``maximum + 1``.
-
- - .. row 10
-
- - __u32
-
- - ``elems``
-
- - The number of elements in the N-dimensional array. If this control
- is not an array, then ``elems`` is 1. The ``elems`` field can
- never be 0.
-
- - .. row 11
-
- - __u32
-
- - ``nr_of_dims``
-
- - The number of dimension in the N-dimensional array. If this
- control is not an array, then this field is 0.
-
- - .. row 12
-
- - __u32
-
- - ``dims[V4L2_CTRL_MAX_DIMS]``
-
- - The size of each dimension. The first ``nr_of_dims`` elements of
- this array must be non-zero, all remaining elements must be zero.
-
- - .. row 13
-
- - __u32
-
- - ``reserved``\ [32]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``id``
+ - Identifies the control, set by the application. See
+ :ref:`control-id` for predefined IDs. When the ID is ORed with
+ ``V4L2_CTRL_FLAG_NEXT_CTRL`` the driver clears the flag and
+ returns the first non-compound control with a higher ID. When the
+ ID is ORed with ``V4L2_CTRL_FLAG_NEXT_COMPOUND`` the driver clears
+ the flag and returns the first compound control with a higher ID.
+ Set both to get the first control (compound or not) with a higher
+ ID.
+ * - __u32
+ - ``type``
+ - Type of control, see :c:type:`v4l2_ctrl_type`.
+ * - char
+ - ``name``\ [32]
+ - Name of the control, a NUL-terminated ASCII string. This
+ information is intended for the user.
+ * - __s64
+ - ``minimum``
+ - Minimum value, inclusive. This field gives a lower bound for the
+ control. See enum :c:type:`v4l2_ctrl_type` how
+ the minimum value is to be used for each possible control type.
+ Note that this a signed 64-bit value.
+ * - __s64
+ - ``maximum``
+ - Maximum value, inclusive. This field gives an upper bound for the
+ control. See enum :c:type:`v4l2_ctrl_type` how
+ the maximum value is to be used for each possible control type.
+ Note that this a signed 64-bit value.
+ * - __u64
+ - ``step``
+ - This field gives a step size for the control. See enum
+ :c:type:`v4l2_ctrl_type` how the step value is
+ to be used for each possible control type. Note that this an
+ unsigned 64-bit value.
+
+ Generally drivers should not scale hardware control values. It may
+ be necessary for example when the ``name`` or ``id`` imply a
+ particular unit and the hardware actually accepts only multiples
+ of said unit. If so, drivers must take care values are properly
+ rounded when scaling, such that errors will not accumulate on
+ repeated read-write cycles.
+
+ This field gives the smallest change of an integer control
+ actually affecting hardware. Often the information is needed when
+ the user can change controls by keyboard or GUI buttons, rather
+ than a slider. When for example a hardware register accepts values
+ 0-511 and the driver reports 0-65535, step should be 128.
+ * - __s64
+ - ``default_value``
+ - The default value of a ``V4L2_CTRL_TYPE_INTEGER``, ``_INTEGER64``,
+ ``_BOOLEAN``, ``_BITMASK``, ``_MENU``, ``_INTEGER_MENU``, ``_U8``
+ or ``_U16`` control. Not valid for other types of controls.
+
+ .. note::
+
+ Drivers reset controls to their default value only when
+ the driver is first loaded, never afterwards.
+ * - __u32
+ - ``flags``
+ - Control flags, see :ref:`control-flags`.
+ * - __u32
+ - ``elem_size``
+ - The size in bytes of a single element of the array. Given a char
+ pointer ``p`` to a 3-dimensional array you can find the position
+ of cell ``(z, y, x)`` as follows:
+ ``p + ((z * dims[1] + y) * dims[0] + x) * elem_size``.
+ ``elem_size`` is always valid, also when the control isn't an
+ array. For string controls ``elem_size`` is equal to
+ ``maximum + 1``.
+ * - __u32
+ - ``elems``
+ - The number of elements in the N-dimensional array. If this control
+ is not an array, then ``elems`` is 1. The ``elems`` field can
+ never be 0.
+ * - __u32
+ - ``nr_of_dims``
+ - The number of dimension in the N-dimensional array. If this
+ control is not an array, then this field is 0.
+ * - __u32
+ - ``dims[V4L2_CTRL_MAX_DIMS]``
+ - The size of each dimension. The first ``nr_of_dims`` elements of
+ this array must be non-zero, all remaining elements must be zero.
+ * - __u32
+ - ``reserved``\ [32]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
:stub-columns: 0
:widths: 1 1 2 1
-
- - .. row 1
-
- - __u32
-
- -
- - ``id``
-
- - Identifies the control, set by the application from the respective
- struct :ref:`v4l2_queryctrl <v4l2-queryctrl>` ``id``.
-
- - .. row 2
-
- - __u32
-
- -
- - ``index``
-
- - Index of the menu item, starting at zero, set by the application.
-
- - .. row 3
-
- - union
-
- -
- -
- -
-
- - .. row 4
-
- -
- - __u8
-
- - ``name``\ [32]
-
- - Name of the menu item, a NUL-terminated ASCII string. This
- information is intended for the user. This field is valid for
- ``V4L2_CTRL_FLAG_MENU`` type controls.
-
- - .. row 5
-
- -
- - __s64
-
- - ``value``
-
- - Value of the integer menu item. This field is valid for
- ``V4L2_CTRL_FLAG_INTEGER_MENU`` type controls.
-
- - .. row 6
-
- - __u32
-
- -
- - ``reserved``
-
- - Reserved for future extensions. Drivers must set the array to
- zero.
+ * - __u32
+ -
+ - ``id``
+ - Identifies the control, set by the application from the respective
+ struct :ref:`v4l2_queryctrl <v4l2-queryctrl>` ``id``.
+ * - __u32
+ -
+ - ``index``
+ - Index of the menu item, starting at zero, set by the application.
+ * - union
+ -
+ -
+ -
+ * -
+ - __u8
+ - ``name``\ [32]
+ - Name of the menu item, a NUL-terminated ASCII string. This
+ information is intended for the user. This field is valid for
+ ``V4L2_CTRL_FLAG_MENU`` type controls.
+ * -
+ - __s64
+ - ``value``
+ - Value of the integer menu item. This field is valid for
+ ``V4L2_CTRL_FLAG_INTEGER_MENU`` type controls.
+ * - __u32
+ -
+ - ``reserved``
+ - Reserved for future extensions. Drivers must set the array to
+ zero.
:stub-columns: 0
:widths: 30 5 5 5 55
-
- - .. row 1
-
- - Type
-
- - ``minimum``
-
- - ``step``
-
- - ``maximum``
-
- - Description
-
- - .. row 2
-
- - ``V4L2_CTRL_TYPE_INTEGER``
-
- - any
-
- - any
-
- - any
-
- - An integer-valued control ranging from minimum to maximum
- inclusive. The step value indicates the increment between values.
-
- - .. row 3
-
- - ``V4L2_CTRL_TYPE_BOOLEAN``
-
- - 0
-
- - 1
-
- - 1
-
- - A boolean-valued control. Zero corresponds to "disabled", and one
- means "enabled".
-
- - .. row 4
-
- - ``V4L2_CTRL_TYPE_MENU``
-
- - ≥ 0
-
- - 1
-
- - N-1
-
- - The control has a menu of N choices. The names of the menu items
- can be enumerated with the ``VIDIOC_QUERYMENU`` ioctl.
-
- - .. row 5
-
- - ``V4L2_CTRL_TYPE_INTEGER_MENU``
-
- - ≥ 0
-
- - 1
-
- - N-1
-
- - The control has a menu of N choices. The values of the menu items
- can be enumerated with the ``VIDIOC_QUERYMENU`` ioctl. This is
- similar to ``V4L2_CTRL_TYPE_MENU`` except that instead of strings,
- the menu items are signed 64-bit integers.
-
- - .. row 6
-
- - ``V4L2_CTRL_TYPE_BITMASK``
-
- - 0
-
- - n/a
-
- - any
-
- - A bitmask field. The maximum value is the set of bits that can be
- used, all other bits are to be 0. The maximum value is interpreted
- as a __u32, allowing the use of bit 31 in the bitmask.
-
- - .. row 7
-
- - ``V4L2_CTRL_TYPE_BUTTON``
-
- - 0
-
- - 0
-
- - 0
-
- - A control which performs an action when set. Drivers must ignore
- the value passed with ``VIDIOC_S_CTRL`` and return an ``EINVAL`` error
- code on a ``VIDIOC_G_CTRL`` attempt.
-
- - .. row 8
-
- - ``V4L2_CTRL_TYPE_INTEGER64``
-
- - any
-
- - any
-
- - any
-
- - A 64-bit integer valued control. Minimum, maximum and step size
- cannot be queried using ``VIDIOC_QUERYCTRL``. Only
- ``VIDIOC_QUERY_EXT_CTRL`` can retrieve the 64-bit min/max/step
- values, they should be interpreted as n/a when using
- ``VIDIOC_QUERYCTRL``.
-
- - .. row 9
-
- - ``V4L2_CTRL_TYPE_STRING``
-
- - ≥ 0
-
- - ≥ 1
-
- - ≥ 0
-
- - The minimum and maximum string lengths. The step size means that
- the string must be (minimum + N * step) characters long for N ≥ 0.
- These lengths do not include the terminating zero, so in order to
- pass a string of length 8 to
- :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you need to
- set the ``size`` field of struct
- :c:type:`v4l2_ext_control` to 9. For
- :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you can set
- the ``size`` field to ``maximum`` + 1. Which character encoding is
- used will depend on the string control itself and should be part
- of the control documentation.
-
- - .. row 10
-
- - ``V4L2_CTRL_TYPE_CTRL_CLASS``
-
- - n/a
-
- - n/a
-
- - n/a
-
- - This is not a control. When ``VIDIOC_QUERYCTRL`` is called with a
- control ID equal to a control class code (see :ref:`ctrl-class`)
- + 1, the ioctl returns the name of the control class and this
- control type. Older drivers which do not support this feature
- return an ``EINVAL`` error code.
-
- - .. row 11
-
- - ``V4L2_CTRL_TYPE_U8``
-
- - any
-
- - any
-
- - any
-
- - An unsigned 8-bit valued control ranging from minimum to maximum
- inclusive. The step value indicates the increment between values.
-
- - .. row 12
-
- - ``V4L2_CTRL_TYPE_U16``
-
- - any
-
- - any
-
- - any
-
- - An unsigned 16-bit valued control ranging from minimum to maximum
- inclusive. The step value indicates the increment between values.
-
- - .. row 13
-
- - ``V4L2_CTRL_TYPE_U32``
-
- - any
-
- - any
-
- - any
-
- - An unsigned 32-bit valued control ranging from minimum to maximum
- inclusive. The step value indicates the increment between values.
+ * - Type
+ - ``minimum``
+ - ``step``
+ - ``maximum``
+ - Description
+ * - ``V4L2_CTRL_TYPE_INTEGER``
+ - any
+ - any
+ - any
+ - An integer-valued control ranging from minimum to maximum
+ inclusive. The step value indicates the increment between values.
+ * - ``V4L2_CTRL_TYPE_BOOLEAN``
+ - 0
+ - 1
+ - 1
+ - A boolean-valued control. Zero corresponds to "disabled", and one
+ means "enabled".
+ * - ``V4L2_CTRL_TYPE_MENU``
+ - ≥ 0
+ - 1
+ - N-1
+ - The control has a menu of N choices. The names of the menu items
+ can be enumerated with the ``VIDIOC_QUERYMENU`` ioctl.
+ * - ``V4L2_CTRL_TYPE_INTEGER_MENU``
+ - ≥ 0
+ - 1
+ - N-1
+ - The control has a menu of N choices. The values of the menu items
+ can be enumerated with the ``VIDIOC_QUERYMENU`` ioctl. This is
+ similar to ``V4L2_CTRL_TYPE_MENU`` except that instead of strings,
+ the menu items are signed 64-bit integers.
+ * - ``V4L2_CTRL_TYPE_BITMASK``
+ - 0
+ - n/a
+ - any
+ - A bitmask field. The maximum value is the set of bits that can be
+ used, all other bits are to be 0. The maximum value is interpreted
+ as a __u32, allowing the use of bit 31 in the bitmask.
+ * - ``V4L2_CTRL_TYPE_BUTTON``
+ - 0
+ - 0
+ - 0
+ - A control which performs an action when set. Drivers must ignore
+ the value passed with ``VIDIOC_S_CTRL`` and return an ``EINVAL`` error
+ code on a ``VIDIOC_G_CTRL`` attempt.
+ * - ``V4L2_CTRL_TYPE_INTEGER64``
+ - any
+ - any
+ - any
+ - A 64-bit integer valued control. Minimum, maximum and step size
+ cannot be queried using ``VIDIOC_QUERYCTRL``. Only
+ ``VIDIOC_QUERY_EXT_CTRL`` can retrieve the 64-bit min/max/step
+ values, they should be interpreted as n/a when using
+ ``VIDIOC_QUERYCTRL``.
+ * - ``V4L2_CTRL_TYPE_STRING``
+ - ≥ 0
+ - ≥ 1
+ - ≥ 0
+ - The minimum and maximum string lengths. The step size means that
+ the string must be (minimum + N * step) characters long for N ≥ 0.
+ These lengths do not include the terminating zero, so in order to
+ pass a string of length 8 to
+ :ref:`VIDIOC_S_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you need to
+ set the ``size`` field of struct
+ :c:type:`v4l2_ext_control` to 9. For
+ :ref:`VIDIOC_G_EXT_CTRLS <VIDIOC_G_EXT_CTRLS>` you can set
+ the ``size`` field to ``maximum`` + 1. Which character encoding is
+ used will depend on the string control itself and should be part
+ of the control documentation.
+ * - ``V4L2_CTRL_TYPE_CTRL_CLASS``
+ - n/a
+ - n/a
+ - n/a
+ - This is not a control. When ``VIDIOC_QUERYCTRL`` is called with a
+ control ID equal to a control class code (see :ref:`ctrl-class`)
+ + 1, the ioctl returns the name of the control class and this
+ control type. Older drivers which do not support this feature
+ return an ``EINVAL`` error code.
+ * - ``V4L2_CTRL_TYPE_U8``
+ - any
+ - any
+ - any
+ - An unsigned 8-bit valued control ranging from minimum to maximum
+ inclusive. The step value indicates the increment between values.
+ * - ``V4L2_CTRL_TYPE_U16``
+ - any
+ - any
+ - any
+ - An unsigned 16-bit valued control ranging from minimum to maximum
+ inclusive. The step value indicates the increment between values.
+ * - ``V4L2_CTRL_TYPE_U32``
+ - any
+ - any
+ - any
+ - An unsigned 32-bit valued control ranging from minimum to maximum
+ inclusive. The step value indicates the increment between values.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_CTRL_FLAG_DISABLED``
-
- - 0x0001
-
- - This control is permanently disabled and should be ignored by the
- application. Any attempt to change the control will result in an
- ``EINVAL`` error code.
-
- - .. row 2
-
- - ``V4L2_CTRL_FLAG_GRABBED``
-
- - 0x0002
-
- - This control is temporarily unchangeable, for example because
- another application took over control of the respective resource.
- Such controls may be displayed specially in a user interface.
- Attempts to change the control may result in an ``EBUSY`` error code.
-
- - .. row 3
-
- - ``V4L2_CTRL_FLAG_READ_ONLY``
-
- - 0x0004
-
- - This control is permanently readable only. Any attempt to change
- the control will result in an ``EINVAL`` error code.
-
- - .. row 4
-
- - ``V4L2_CTRL_FLAG_UPDATE``
-
- - 0x0008
-
- - A hint that changing this control may affect the value of other
- controls within the same control class. Applications should update
- their user interface accordingly.
-
- - .. row 5
-
- - ``V4L2_CTRL_FLAG_INACTIVE``
-
- - 0x0010
-
- - This control is not applicable to the current configuration and
- should be displayed accordingly in a user interface. For example
- the flag may be set on a MPEG audio level 2 bitrate control when
- MPEG audio encoding level 1 was selected with another control.
-
- - .. row 6
-
- - ``V4L2_CTRL_FLAG_SLIDER``
-
- - 0x0020
-
- - A hint that this control is best represented as a slider-like
- element in a user interface.
-
- - .. row 7
-
- - ``V4L2_CTRL_FLAG_WRITE_ONLY``
-
- - 0x0040
-
- - This control is permanently writable only. Any attempt to read the
- control will result in an ``EACCES`` error code error code. This flag
- is typically present for relative controls or action controls
- where writing a value will cause the device to carry out a given
- action (e. g. motor control) but no meaningful value can be
- returned.
-
- - .. row 8
-
- - ``V4L2_CTRL_FLAG_VOLATILE``
-
- - 0x0080
-
- - This control is volatile, which means that the value of the
- control changes continuously. A typical example would be the
- current gain value if the device is in auto-gain mode. In such a
- case the hardware calculates the gain value based on the lighting
- conditions which can change over time.
-
- .. note::
-
- Setting a new value for a volatile control will be ignored
- unless
- :ref:`V4L2_CTRL_FLAG_EXECUTE_ON_WRITE <FLAG_EXECUTE_ON_WRITE>`
- is also set.
- Setting a new value for a volatile control will *never* trigger a
- :ref:`V4L2_EVENT_CTRL_CH_VALUE <ctrl-changes-flags>` event.
-
- - .. row 9
-
- - ``V4L2_CTRL_FLAG_HAS_PAYLOAD``
-
- - 0x0100
-
- - This control has a pointer type, so its value has to be accessed
- using one of the pointer fields of struct
- :c:type:`v4l2_ext_control`. This flag is set
- for controls that are an array, string, or have a compound type.
- In all cases you have to set a pointer to memory containing the
- payload of the control.
-
- - .. row 10
- .. _FLAG_EXECUTE_ON_WRITE:
-
- - ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE``
-
- - 0x0200
-
- - The value provided to the control will be propagated to the driver
- even if it remains constant. This is required when the control
- represents an action on the hardware. For example: clearing an
- error flag or triggering the flash. All the controls of the type
- ``V4L2_CTRL_TYPE_BUTTON`` have this flag set.
+ * - ``V4L2_CTRL_FLAG_DISABLED``
+ - 0x0001
+ - This control is permanently disabled and should be ignored by the
+ application. Any attempt to change the control will result in an
+ ``EINVAL`` error code.
+ * - ``V4L2_CTRL_FLAG_GRABBED``
+ - 0x0002
+ - This control is temporarily unchangeable, for example because
+ another application took over control of the respective resource.
+ Such controls may be displayed specially in a user interface.
+ Attempts to change the control may result in an ``EBUSY`` error code.
+ * - ``V4L2_CTRL_FLAG_READ_ONLY``
+ - 0x0004
+ - This control is permanently readable only. Any attempt to change
+ the control will result in an ``EINVAL`` error code.
+ * - ``V4L2_CTRL_FLAG_UPDATE``
+ - 0x0008
+ - A hint that changing this control may affect the value of other
+ controls within the same control class. Applications should update
+ their user interface accordingly.
+ * - ``V4L2_CTRL_FLAG_INACTIVE``
+ - 0x0010
+ - This control is not applicable to the current configuration and
+ should be displayed accordingly in a user interface. For example
+ the flag may be set on a MPEG audio level 2 bitrate control when
+ MPEG audio encoding level 1 was selected with another control.
+ * - ``V4L2_CTRL_FLAG_SLIDER``
+ - 0x0020
+ - A hint that this control is best represented as a slider-like
+ element in a user interface.
+ * - ``V4L2_CTRL_FLAG_WRITE_ONLY``
+ - 0x0040
+ - This control is permanently writable only. Any attempt to read the
+ control will result in an ``EACCES`` error code error code. This flag
+ is typically present for relative controls or action controls
+ where writing a value will cause the device to carry out a given
+ action (e. g. motor control) but no meaningful value can be
+ returned.
+ * - ``V4L2_CTRL_FLAG_VOLATILE``
+ - 0x0080
+ - This control is volatile, which means that the value of the
+ control changes continuously. A typical example would be the
+ current gain value if the device is in auto-gain mode. In such a
+ case the hardware calculates the gain value based on the lighting
+ conditions which can change over time.
+
+ .. note::
+
+ Setting a new value for a volatile control will be ignored
+ unless
+ :ref:`V4L2_CTRL_FLAG_EXECUTE_ON_WRITE <FLAG_EXECUTE_ON_WRITE>`
+ is also set.
+ Setting a new value for a volatile control will *never* trigger a
+ :ref:`V4L2_EVENT_CTRL_CH_VALUE <ctrl-changes-flags>` event.
+ * - ``V4L2_CTRL_FLAG_HAS_PAYLOAD``
+ - 0x0100
+ - This control has a pointer type, so its value has to be accessed
+ using one of the pointer fields of struct
+ :c:type:`v4l2_ext_control`. This flag is set
+ for controls that are an array, string, or have a compound type.
+ In all cases you have to set a pointer to memory containing the
+ payload of the control.
+ * .. _FLAG_EXECUTE_ON_WRITE:
+
+ - ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE``
+ - 0x0200
+ - The value provided to the control will be propagated to the driver
+ even if it remains constant. This is required when the control
+ represents an action on the hardware. For example: clearing an
+ error flag or triggering the flash. All the controls of the type
+ ``V4L2_CTRL_TYPE_BUTTON`` have this flag set.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``count``
-
- - The number of buffers requested or granted.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - Type of the stream or buffers, this is the same as the struct
- :c:type:`v4l2_format` ``type`` field. See
- :c:type:`v4l2_buf_type` for valid values.
-
- - .. row 3
-
- - __u32
-
- - ``memory``
-
- - Applications set this field to ``V4L2_MEMORY_MMAP``,
- ``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
- :c:type:`v4l2_memory`.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [2]
-
- - A place holder for future extensions. Drivers and applications
- must set the array to zero.
+ * - __u32
+ - ``count``
+ - The number of buffers requested or granted.
+ * - __u32
+ - ``type``
+ - Type of the stream or buffers, this is the same as the struct
+ :c:type:`v4l2_format` ``type`` field. See
+ :c:type:`v4l2_buf_type` for valid values.
+ * - __u32
+ - ``memory``
+ - Applications set this field to ``V4L2_MEMORY_MMAP``,
+ ``V4L2_MEMORY_DMABUF`` or ``V4L2_MEMORY_USERPTR``. See
+ :c:type:`v4l2_memory`.
+ * - __u32
+ - ``reserved``\ [2]
+ - A place holder for future extensions. Drivers and applications
+ must set the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``tuner``
-
- - The tuner index number. This is the same value as in the struct
- :c:type:`v4l2_input` ``tuner`` field and the struct
- :c:type:`v4l2_tuner` ``index`` field.
-
- - .. row 2
-
- - __u32
-
- - ``type``
-
- - The tuner type. This is the same value as in the struct
- :c:type:`v4l2_tuner` ``type`` field. See
- :c:type:`v4l2_tuner_type`
-
- - .. row 3
-
- - __u32
-
- - ``seek_upward``
-
- - If non-zero, seek upward from the current frequency, else seek
- downward.
-
- - .. row 4
-
- - __u32
-
- - ``wrap_around``
-
- - If non-zero, wrap around when at the end of the frequency range,
- else stop seeking. The struct :c:type:`v4l2_tuner`
- ``capability`` field will tell you what the hardware supports.
-
- - .. row 5
-
- - __u32
-
- - ``spacing``
-
- - If non-zero, defines the hardware seek resolution in Hz. The
- driver selects the nearest value that is supported by the device.
- If spacing is zero a reasonable default value is used.
-
- - .. row 6
-
- - __u32
-
- - ``rangelow``
-
- - If non-zero, the lowest tunable frequency of the band to search in
- units of 62.5 kHz, or if the struct
- :c:type:`v4l2_tuner` ``capability`` field has the
- ``V4L2_TUNER_CAP_LOW`` flag set, in units of 62.5 Hz or if the
- struct :c:type:`v4l2_tuner` ``capability`` field has
- the ``V4L2_TUNER_CAP_1HZ`` flag set, in units of 1 Hz. If
- ``rangelow`` is zero a reasonable default value is used.
-
- - .. row 7
-
- - __u32
-
- - ``rangehigh``
-
- - If non-zero, the highest tunable frequency of the band to search
- in units of 62.5 kHz, or if the struct
- :c:type:`v4l2_tuner` ``capability`` field has the
- ``V4L2_TUNER_CAP_LOW`` flag set, in units of 62.5 Hz or if the
- struct :c:type:`v4l2_tuner` ``capability`` field has
- the ``V4L2_TUNER_CAP_1HZ`` flag set, in units of 1 Hz. If
- ``rangehigh`` is zero a reasonable default value is used.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [5]
-
- - Reserved for future extensions. Applications must set the array to
- zero.
+ * - __u32
+ - ``tuner``
+ - The tuner index number. This is the same value as in the struct
+ :c:type:`v4l2_input` ``tuner`` field and the struct
+ :c:type:`v4l2_tuner` ``index`` field.
+ * - __u32
+ - ``type``
+ - The tuner type. This is the same value as in the struct
+ :c:type:`v4l2_tuner` ``type`` field. See
+ :c:type:`v4l2_tuner_type`
+ * - __u32
+ - ``seek_upward``
+ - If non-zero, seek upward from the current frequency, else seek
+ downward.
+ * - __u32
+ - ``wrap_around``
+ - If non-zero, wrap around when at the end of the frequency range,
+ else stop seeking. The struct :c:type:`v4l2_tuner`
+ ``capability`` field will tell you what the hardware supports.
+ * - __u32
+ - ``spacing``
+ - If non-zero, defines the hardware seek resolution in Hz. The
+ driver selects the nearest value that is supported by the device.
+ If spacing is zero a reasonable default value is used.
+ * - __u32
+ - ``rangelow``
+ - If non-zero, the lowest tunable frequency of the band to search in
+ units of 62.5 kHz, or if the struct
+ :c:type:`v4l2_tuner` ``capability`` field has the
+ ``V4L2_TUNER_CAP_LOW`` flag set, in units of 62.5 Hz or if the
+ struct :c:type:`v4l2_tuner` ``capability`` field has
+ the ``V4L2_TUNER_CAP_1HZ`` flag set, in units of 1 Hz. If
+ ``rangelow`` is zero a reasonable default value is used.
+ * - __u32
+ - ``rangehigh``
+ - If non-zero, the highest tunable frequency of the band to search
+ in units of 62.5 kHz, or if the struct
+ :c:type:`v4l2_tuner` ``capability`` field has the
+ ``V4L2_TUNER_CAP_LOW`` flag set, in units of 62.5 Hz or if the
+ struct :c:type:`v4l2_tuner` ``capability`` field has
+ the ``V4L2_TUNER_CAP_1HZ`` flag set, in units of 1 Hz. If
+ ``rangehigh`` is zero a reasonable default value is used.
+ * - __u32
+ - ``reserved``\ [5]
+ - Reserved for future extensions. Applications must set the array to
+ zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Number of the format in the enumeration, set by the application.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API.
-
- - .. row 3
-
- - __u32
-
- - ``code``
-
- - The media bus format code, as defined in
- :ref:`v4l2-mbus-format`.
-
- - .. row 4
-
- - __u32
-
- - ``width``
-
- - Frame width, in pixels.
-
- - .. row 5
-
- - __u32
-
- - ``height``
-
- - Frame height, in pixels.
-
- - .. row 6
-
- - struct :c:type:`v4l2_fract`
-
- - ``interval``
-
- - Period, in seconds, between consecutive video frames.
-
- - .. row 7
-
- - __u32
-
- - ``which``
-
- - Frame intervals to be enumerated, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 8
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``index``
+ - Number of the format in the enumeration, set by the application.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API.
+ * - __u32
+ - ``code``
+ - The media bus format code, as defined in
+ :ref:`v4l2-mbus-format`.
+ * - __u32
+ - ``width``
+ - Frame width, in pixels.
+ * - __u32
+ - ``height``
+ - Frame height, in pixels.
+ * - struct :c:type:`v4l2_fract`
+ - ``interval``
+ - Period, in seconds, between consecutive video frames.
+ * - __u32
+ - ``which``
+ - Frame intervals to be enumerated, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``index``
-
- - Number of the format in the enumeration, set by the application.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API.
-
- - .. row 3
-
- - __u32
-
- - ``code``
-
- - The media bus format code, as defined in
- :ref:`v4l2-mbus-format`.
-
- - .. row 4
-
- - __u32
-
- - ``min_width``
-
- - Minimum frame width, in pixels.
-
- - .. row 5
-
- - __u32
-
- - ``max_width``
-
- - Maximum frame width, in pixels.
-
- - .. row 6
-
- - __u32
-
- - ``min_height``
-
- - Minimum frame height, in pixels.
-
- - .. row 7
-
- - __u32
-
- - ``max_height``
-
- - Maximum frame height, in pixels.
-
- - .. row 8
-
- - __u32
-
- - ``which``
-
- - Frame sizes to be enumerated, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 9
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``index``
+ - Number of the format in the enumeration, set by the application.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API.
+ * - __u32
+ - ``code``
+ - The media bus format code, as defined in
+ :ref:`v4l2-mbus-format`.
+ * - __u32
+ - ``min_width``
+ - Minimum frame width, in pixels.
+ * - __u32
+ - ``max_width``
+ - Maximum frame width, in pixels.
+ * - __u32
+ - ``min_height``
+ - Minimum frame height, in pixels.
+ * - __u32
+ - ``max_height``
+ - Maximum frame height, in pixels.
+ * - __u32
+ - ``which``
+ - Frame sizes to be enumerated, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API.
-
- - .. row 2
-
- - __u32
-
- - ``index``
-
- - Number of the format in the enumeration, set by the application.
-
- - .. row 3
-
- - __u32
-
- - ``code``
-
- - The media bus format code, as defined in
- :ref:`v4l2-mbus-format`.
-
- - .. row 4
-
- - __u32
-
- - ``which``
-
- - Media bus format codes to be enumerated, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 5
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API.
+ * - __u32
+ - ``index``
+ - Number of the format in the enumeration, set by the application.
+ * - __u32
+ - ``code``
+ - The media bus format code, as defined in
+ :ref:`v4l2-mbus-format`.
+ * - __u32
+ - ``which``
+ - Media bus format codes to be enumerated, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media framework.
-
- - .. row 2
-
- - __u32
-
- - ``which``
-
- - Crop rectangle to get or set, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 3
-
- - struct :c:type:`v4l2_rect`
-
- - ``rect``
-
- - Crop rectangle boundaries, in pixels.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media framework.
+ * - __u32
+ - ``which``
+ - Crop rectangle to get or set, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - struct :c:type:`v4l2_rect`
+ - ``rect``
+ - Crop rectangle boundaries, in pixels.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API.
-
- - .. row 2
-
- - __u32
-
- - ``which``
-
- - Format to modified, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 3
-
- - struct :c:type:`v4l2_mbus_framefmt`
-
- - ``format``
-
- - Definition of an image format, see :c:type:`v4l2_mbus_framefmt` for
- details.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API.
+ * - __u32
+ - ``which``
+ - Format to modified, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - struct :c:type:`v4l2_mbus_framefmt`
+ - ``format``
+ - Definition of an image format, see :c:type:`v4l2_mbus_framefmt` for
+ details.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - V4L2_SUBDEV_FORMAT_TRY
-
- - 0
-
- - Try formats, used for querying device capabilities.
-
- - .. row 2
-
- - V4L2_SUBDEV_FORMAT_ACTIVE
-
- - 1
-
- - Active formats, applied to the hardware.
+ * - V4L2_SUBDEV_FORMAT_TRY
+ - 0
+ - Try formats, used for querying device capabilities.
+ * - V4L2_SUBDEV_FORMAT_ACTIVE
+ - 1
+ - Active formats, applied to the hardware.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media controller API.
-
- - .. row 2
-
- - struct :c:type:`v4l2_fract`
-
- - ``interval``
-
- - Period, in seconds, between consecutive video frames.
-
- - .. row 3
-
- - __u32
-
- - ``reserved``\ [9]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media controller API.
+ * - struct :c:type:`v4l2_fract`
+ - ``interval``
+ - Period, in seconds, between consecutive video frames.
+ * - __u32
+ - ``reserved``\ [9]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``which``
-
- - Active or try selection, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media framework.
-
- - .. row 3
-
- - __u32
-
- - ``target``
-
- - Target selection rectangle. See :ref:`v4l2-selections-common`.
-
- - .. row 4
-
- - __u32
-
- - ``flags``
-
- - Flags. See :ref:`v4l2-selection-flags`.
-
- - .. row 5
-
- - struct :c:type:`v4l2_rect`
-
- - ``r``
-
- - Selection rectangle, in pixels.
-
- - .. row 6
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``which``
+ - Active or try selection, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media framework.
+ * - __u32
+ - ``target``
+ - Target selection rectangle. See :ref:`v4l2-selections-common`.
+ * - __u32
+ - ``flags``
+ - Flags. See :ref:`v4l2-selection-flags`.
+ * - struct :c:type:`v4l2_rect`
+ - ``r``
+ - Selection rectangle, in pixels.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``type``
-
- - Type of the event, see :ref:`event-type`.
-
- .. note::
-
- ``V4L2_EVENT_ALL`` can be used with
- :ref:`VIDIOC_UNSUBSCRIBE_EVENT <VIDIOC_SUBSCRIBE_EVENT>` for
- unsubscribing all events at once.
-
- - .. row 2
-
- - __u32
-
- - ``id``
-
- - ID of the event source. If there is no ID associated with the
- event source, then set this to 0. Whether or not an event needs an
- ID depends on the event type.
-
- - .. row 3
-
- - __u32
-
- - ``flags``
-
- - Event flags, see :ref:`event-flags`.
-
- - .. row 4
-
- - __u32
-
- - ``reserved``\ [5]
-
- - Reserved for future extensions. Drivers and applications must set
- the array to zero.
+ * - __u32
+ - ``type``
+ - Type of the event, see :ref:`event-type`.
+
+ .. note::
+
+ ``V4L2_EVENT_ALL`` can be used with
+ :ref:`VIDIOC_UNSUBSCRIBE_EVENT <VIDIOC_SUBSCRIBE_EVENT>` for
+ unsubscribing all events at once.
+ * - __u32
+ - ``id``
+ - ID of the event source. If there is no ID associated with the
+ event source, then set this to 0. Whether or not an event needs an
+ ID depends on the event type.
+ * - __u32
+ - ``flags``
+ - Event flags, see :ref:`event-flags`.
+ * - __u32
+ - ``reserved``\ [5]
+ - Reserved for future extensions. Drivers and applications must set
+ the array to zero.
:stub-columns: 0
:widths: 3 1 4
-
- - .. row 1
-
- - ``V4L2_EVENT_SUB_FL_SEND_INITIAL``
-
- - 0x0001
-
- - When this event is subscribed an initial event will be sent
- containing the current status. This only makes sense for events
- that are triggered by a status change such as ``V4L2_EVENT_CTRL``.
- Other events will ignore this flag.
-
- - .. row 2
-
- - ``V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK``
-
- - 0x0002
-
- - If set, then events directly caused by an ioctl will also be sent
- to the filehandle that called that ioctl. For example, changing a
- control using :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` will cause
- a V4L2_EVENT_CTRL to be sent back to that same filehandle.
- Normally such events are suppressed to prevent feedback loops
- where an application changes a control to a one value and then
- another, and then receives an event telling it that that control
- has changed to the first value.
-
- Since it can't tell whether that event was caused by another
- application or by the :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>`
- call it is hard to decide whether to set the control to the value
- in the event, or ignore it.
-
- Think carefully when you set this flag so you won't get into
- situations like that.
+ * - ``V4L2_EVENT_SUB_FL_SEND_INITIAL``
+ - 0x0001
+ - When this event is subscribed an initial event will be sent
+ containing the current status. This only makes sense for events
+ that are triggered by a status change such as ``V4L2_EVENT_CTRL``.
+ Other events will ignore this flag.
+ * - ``V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK``
+ - 0x0002
+ - If set, then events directly caused by an ioctl will also be sent
+ to the filehandle that called that ioctl. For example, changing a
+ control using :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>` will cause
+ a V4L2_EVENT_CTRL to be sent back to that same filehandle.
+ Normally such events are suppressed to prevent feedback loops
+ where an application changes a control to a one value and then
+ another, and then receives an event telling it that that control
+ has changed to the first value.
+
+ Since it can't tell whether that event was caused by another
+ application or by the :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>`
+ call it is hard to decide whether to set the control to the value
+ in the event, or ignore it.
+
+ Think carefully when you set this flag so you won't get into
+ situations like that.
Return Value
projects / cascardo / linux.git / commitdiff