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${ noResults }
6 Commits (3f691c0c6a8cbb293740df4f3bba06a8f5d5fba5)
Author | SHA1 | Message | Date |
---|---|---|---|
Dai, Jianhui J | 61afe4d98c |
avcodec/cbs_vp8: Improve the bitstream position check
The VP8 compressed header may not be byte-aligned due to boolean coding. Round up byte count for accurate data positioning. Signed-off-by: Jianhui Dai <jianhui.j.dai@intel.com> Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> |
8 months ago |
Dai, Jianhui J | 63dea3c1e1 |
avcodec/cbs_vp8: Use little endian in fixed()
This commit adds value range checks to cbs_vp8_read_unsigned_le, migrates fixed() to use it, and enforces little-endian consistency for all read methods. Signed-off-by: Jianhui Dai <jianhui.j.dai@intel.com> Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> |
8 months ago |
Andreas Rheinhardt | fe08058f24 |
avcodec/cbs_vp8: Don't leave out ... in calls to variadic macros
It is undefined behaviour (see C11, 6.10.3 (4); see also
|
9 months ago |
Andreas Rheinhardt | 4d86e64d33 |
avcodec/cbs_vp8: Remove empty flush callback
This callback is optional and should therefore only be set if it actually does something. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> |
9 months ago |
Michael Niedermayer |
a6a553ba94
|
avcodec/cbs_vp8: fix GetBitContext setup
Fixes: abort() Fixes: 64232/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5417957987319808 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
11 months ago |
Dai, Jianhui J | c9fe9fb863 |
avcodec/cbs_vp8: Add support for VP8 codec bitstream
This commit adds support for VP8 bitstream read methods to the cbs codec. This enables the trace_headers bitstream filter to support VP8, in addition to AV1, H.264, H.265, and VP9. This can be useful for debugging VP8 stream issues. The CBS VP8 implements a simple VP8 boolean decoder using GetBitContext to read the bitstream. Only the read methods `read_unit` and `split_fragment` are implemented. The write methods `write_unit` and `assemble_fragment` return the error code AVERROR_PATCHWELCOME. This is because CBS VP8 write is unlikely to be used by any applications at the moment. The write methods can be added later if there is a real need for them. TESTS: ffmpeg -i fate-suite/vp8/frame_size_change.webm -vcodec copy -bsf:v trace_headers -f null - Signed-off-by: Jianhui Dai <jianhui.j.dai@intel.com> Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> |
1 year ago |