diff options
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst | 23 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst | 24 |
2 files changed, 33 insertions, 14 deletions
diff --git a/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst b/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst index f0df144c9f63..213b736c9b67 100644 --- a/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst +++ b/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst @@ -253,13 +253,7 @@ Sliced VBI services :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 + - See :ref:`v4l2-sliced-wss-625-payload` below. * - ``V4L2_SLICED_VBI_525`` - 0x1000 - :cspan:`2` Set of services applicable to 525 line systems. @@ -282,6 +276,21 @@ format while i/o is in progress (between a :ref:`VIDIOC_STREAMOFF <VIDIOC_STREAMON>` call, and after the first :c:func:`read()` or :c:func:`write()` call). +.. _v4l2-sliced-wss-625-payload: + +V4L2_SLICED_WSS_625 payload +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The payload for ``V4L2_SLICED_WSS_625`` is: + + +-----+------------------+-----------------------+ + |Byte | 0 | 1 | + +-----+--------+---------+-----------+-----------+ + | | msb | lsb | msb | lsb | + | +-+-+-+--+--+-+-+--+--+-+--+---+---+--+-+--+ + | Bit |7|6|5|4 | 3|2|1|0 | x|x|13|12 | 11|10|9|8 | + +-----+-+-+-+--+--+-+-+--+--+-+--+---+---+--+-+--+ + Reading and writing sliced VBI data =================================== diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst b/Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst index 752f7f5fae73..b3f4dc71bb5d 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst @@ -162,13 +162,7 @@ the sliced VBI API is unsupported or ``type`` is invalid. :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 + - See :ref:`v4l2-sliced-vbi-cap-wss-625-payload` below. * - ``V4L2_SLICED_VBI_525`` - 0x1000 - :cspan:`2` Set of services applicable to 525 line systems. @@ -180,6 +174,22 @@ the sliced VBI API is unsupported or ``type`` is invalid. \normalsize +.. _v4l2-sliced-vbi-cap-wss-625-payload: + +V4L2_SLICED_VBI_CAP WSS_625 payload +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The payload for ``V4L2_SLICED_WSS_625`` is: + + +-----+------------------+-----------------------+ + |Byte | 0 | 1 | + +-----+--------+---------+-----------+-----------+ + | | msb | lsb | msb | lsb | + | +-+-+-+--+--+-+-+--+--+-+--+---+---+--+-+--+ + | Bit |7|6|5|4 | 3|2|1|0 | x|x|13|12 | 11|10|9|8 | + +-----+-+-+-+--+--+-+-+--+--+-+--+---+---+--+-+--+ + + Return Value ============ |