diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-g-sliced-vbi-cap.rst | 48 |
1 files changed, 24 insertions, 24 deletions
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 7a62c4f4e37f..90d40f6af57b 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 @@ -1,11 +1,5 @@ -.. Permission is granted to copy, distribute and/or modify this -.. document under the terms of the GNU Free Documentation License, -.. Version 1.1 or any later version published by the Free Software -.. Foundation, with no Invariant Sections, no Front-Cover Texts -.. and no Back-Cover Texts. A copy of the license is included at -.. Documentation/userspace-api/media/fdl-appendix.rst. -.. -.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_G_SLICED_VBI_CAP: @@ -18,24 +12,22 @@ Name VIDIOC_G_SLICED_VBI_CAP - Query sliced VBI capabilities - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_G_SLICED_VBI_CAP, struct v4l2_sliced_vbi_cap *argp ) - :name: VIDIOC_G_SLICED_VBI_CAP +.. c:macro:: VIDIOC_G_SLICED_VBI_CAP +``int ioctl(int fd, VIDIOC_G_SLICED_VBI_CAP, struct v4l2_sliced_vbi_cap *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <func-open>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to struct :c:type:`v4l2_sliced_vbi_cap`. - Description =========== @@ -51,10 +43,9 @@ the sliced VBI API is unsupported or ``type`` is invalid. The ``type`` field was added, and the ioctl changed from read-only to write-read, in Linux 2.6.19. - .. c:type:: v4l2_sliced_vbi_cap -.. tabularcolumns:: |p{1.2cm}|p{4.2cm}|p{4.1cm}|p{4.0cm}|p{4.0cm}| +.. tabularcolumns:: |p{1.4cm}|p{4.4cm}|p{4.5cm}|p{3.6cm}|p{3.6cm}| .. flat-table:: struct v4l2_sliced_vbi_cap :header-rows: 0 @@ -127,12 +118,11 @@ the sliced VBI API is unsupported or ``type`` is invalid. See also :ref:`vbi-525` and :ref:`vbi-625`. - .. raw:: latex \scriptsize -.. tabularcolumns:: |p{3.5cm}|p{1.0cm}|p{2.0cm}|p{2.0cm}|p{8.0cm}| +.. tabularcolumns:: |p{3.9cm}|p{1.0cm}|p{2.0cm}|p{3.0cm}|p{7.0cm}| .. _vbi-services: @@ -172,13 +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. @@ -186,10 +170,26 @@ the sliced VBI API is unsupported or ``type`` is invalid. - 0x4401 - :cspan:`2` Set of services applicable to 625 line systems. + .. raw:: latex \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 ============ |