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media: ext-ctrls-codec-stateless.rst: fix an H-264 table format

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The Picture Parameter Set Flags table for H-264 doesn't output
well on PDF. There are missing format instructions for LaTeX, and
the columns are too long.

Reduce the size of the second column, as 16 bits is more than enough
for the current flags usage, and add the needed bits for it to be
properly output in PDF format.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-12-10 11:34:21 +01:00
parent b58398f228
commit 86d3a055a4
1 changed files with 25 additions and 11 deletions
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36
Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst
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@ -212,43 +212,57 @@ Stateless Codec Control ID
- ``flags``
- See :ref:`Picture Parameter Set Flags <h264_pps_flags>`
.. raw:: latex
\normalsize
.. _h264_pps_flags:
``Picture Parameter Set Flags``
.. cssclass:: longtable
.. raw:: latex
\begingroup
\scriptsize
\setlength{\tabcolsep}{2pt}
.. tabularcolumns:: |p{9.8cm}|p{1.0cm}|p{6.5cm}|
.. flat-table::
:header-rows: 0
:stub-columns: 0
:widths: 1 1 2
:widths: 10 1 4
* - ``V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE``
- 0x00000001
- 0x0001
-
* - ``V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT``
- 0x00000002
- 0x0002
-
* - ``V4L2_H264_PPS_FLAG_WEIGHTED_PRED``
- 0x00000004
- 0x0004
-
* - ``V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT``
- 0x00000008
- 0x0008
-
* - ``V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED``
- 0x00000010
- 0x0010
-
* - ``V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT``
- 0x00000020
- 0x0020
-
* - ``V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE``
- 0x00000040
- 0x0040
-
* - ``V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT``
- 0x00000080
- Indicates that ``V4L2_CID_STATELESS_H264_SCALING_MATRIX``
- 0x0080
- ``V4L2_CID_STATELESS_H264_SCALING_MATRIX``
must be used for this picture.
.. raw:: latex
\endgroup
``V4L2_CID_STATELESS_H264_SCALING_MATRIX (struct)``
Specifies the scaling matrix (as extracted from the bitstream) for
the associated H264 slice data. The bitstream parameters are