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| -rw-r--r-- | Documentation/media/uapi/v4l/pixfmt-compressed.rst | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-compressed.rst b/Documentation/media/uapi/v4l/pixfmt-compressed.rst index 292fdc116c77..55d8d690f22f 100644 --- a/Documentation/media/uapi/v4l/pixfmt-compressed.rst +++ b/Documentation/media/uapi/v4l/pixfmt-compressed.rst @@ -61,10 +61,10 @@ Compressed Formats - ``V4L2_PIX_FMT_H264_SLICE`` - 'S264' - - H264 parsed slice data, without the start code and as - extracted from the H264 bitstream. This format is adapted for - stateless video decoders that implement an H264 pipeline - (using the :ref:`mem2mem` and :ref:`media-request-api`). + - H264 parsed slice data, including slice headers, either with or + without the start code, as extracted from the H264 bitstream. + This format is adapted for stateless video decoders that implement an + H264 pipeline (using the :ref:`mem2mem` and :ref:`media-request-api`). This pixelformat has two modifiers that must be set at least once through the ``V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE`` and ``V4L2_CID_MPEG_VIDEO_H264_START_CODE`` controls. @@ -80,6 +80,10 @@ Compressed Formats appropriate number of macroblocks to decode a full corresponding frame to the matching capture buffer. + The syntax for this format is documented in :ref:`h264`, section + 7.3.2.8 "Slice layer without partitioning RBSP syntax" and the following + sections. + .. note:: This format is not yet part of the public kernel API and it |