media/v4l/ext-ctrls-codec.rst

678     If enabled the decoder expects to receive a single slice per buffer,
983 .. _v4l2-mpeg-video-multi-slice-mode:
1001       - Single slice per frame.
1003       - Multiple slices with set maximum number of macroblocks per slice.
1005       - Multiple slice with set maximum size in bytes per slice.
1010     The maximum number of macroblocks in a slice. Used when
1016     The maximum size of a slice in bytes. Used when
1044       - Loop filter is disabled at the slice boundary.
1053     This value corresponds to the slice_alpha_c0_offset_div2 slice header
1060     This corresponds to the slice_beta_offset_div2 slice header field, and
1390       - Slice groups grow in a cyclic way from centre to outwards.
1392       - Slice groups grow in raster scan pattern from left to right.
1394       - Slice groups grow in wipe scan pattern from top to bottom.
1405     Number of slice groups in FMO. Applicable to the H264 encoder.
1413     Specifies a direction of the slice group change for raster and wipe
1430     Specifies the size of the first slice group for raster and wipe map.
1438     Enables arbitrary slice ordering in encoded bitstream. Applicable to
1442     Specifies the slice order in ASO. Applicable to the H264 encoder.
1453       - Slice ID
1455       - Slice position or order
1509     bitstream) for the associated H264 slice data. This includes the
1651     bitstream) for the associated H264 slice data. This includes the
1746     the associated H264 slice data. The bitstream parameters are
1780     Specifies the slice parameters (as extracted from the bitstream)
1781     for the associated H264 slice data. This includes the necessary
1784     :ref:`h264`, section 7.4.3 "Slice Header Semantics". For further
1804       - Offset in bits to slice_data() from the beginning of this slice.
1848       - Reference picture list after applying the per-slice modifications
1851       - Reference picture list after applying the per-slice modifications
1854       - See :ref:`Slice Parameter Flags <h264_slice_flags>`
1858 ``Slice Parameter Set Flags``
1878     under the conditions explained in section 7.3.3 "Slice header
1970     for the associated H264 slice data. This includes the necessary
2123     Specifies the decoding mode to use. Currently exposes slice-based and
2148       - Decoding is done at the slice granularity.
2149         The OUTPUT buffer must contain a single slice.
2160         parse the slice(s) header(s) in hardware. When this mode is
2165     Specifies the H264 slice start code expected for each slice.
2200     Specifies the slice parameters (as extracted from the bitstream) for the
2201     associated MPEG-2 slice data. This includes the necessary parameters for
2223       - Size (in bits) of the current slice data.
2226       - Offset (in bits) to the video data in the current slice data.
2299       - Picture coding type for the frame covered by the current slice
2340     associated MPEG-2 slice data.
3683       - Loop filter is disabled at the slice boundary.
3843     bitstream) for the associated HEVC slice data.
3965     bitstream) for the associated HEVC slice data.
4092     Specifies various slice-specific parameters, especially from the NAL unit
4093     header, general slice segment header and weighted prediction parameter
4096     They are described in section 7.4.7 "General slice segment header
4110       - Size (in bits) of the current slice data.
4113       - Offset (in bits) to the video data in the current slice data.
4201       - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>`
4205 ``Slice Parameters Flags``
4320     Specifies the decoding mode to use. Currently exposes slice-based and
4345       - Decoding is done at the slice granularity.
4346         The OUTPUT buffer must contain a single slice.
4354     Specifies the HEVC slice start code expected for each slice.