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lavc: Add filter_units bitstream filter

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This can remove units with types in or not in a given set from a stream.
For example, it can be used to remove all non-VCL NAL units from an H.264 or
H.265 stream.
This commit is contained in:
Mark Thompson
2018-03-06 18:49:27 +00:00
parent 389f4c3e0d
commit c99f837dde
5 changed files with 288 additions and 0 deletions
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libavcodec/bitstream_filters.c
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@@ -29,6 +29,7 @@ extern const AVBitStreamFilter ff_chomp_bsf;
extern const AVBitStreamFilter ff_dump_extradata_bsf;
extern const AVBitStreamFilter ff_dca_core_bsf;
extern const AVBitStreamFilter ff_extract_extradata_bsf;
extern const AVBitStreamFilter ff_filter_units_bsf;
extern const AVBitStreamFilter ff_h264_metadata_bsf;
extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
extern const AVBitStreamFilter ff_h264_redundant_pps_bsf;