They are not always coded in the bistream for each frame. In some cases, the
values need to be taken from a reference frame.
See section 6.8.20 from the AV1 spec.
Signed-off-by: James Almer <jamrial@gmail.com>
This reverts commit f9eec62983.
This does not effectively cover all cases. The values for some frames need
to be inferred by the decoder.
Signed-off-by: James Almer <jamrial@gmail.com>
The max depth is 16bps, the max allowed coefficient depth is depth+6
Fixes: signed integer overflow: 1074266112 + 1073725439 cannot be represented in type 'int'
Fixes: 26493/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657763331702784
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
These fields are not signed in the spec (1.0) so they cannot be negative
Changing bytes_per_packet to unsigned would not solve this as it is exported
as block_align which is signed
Fixes: Infinite loop
Fixes: 26492/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-5632087614554112
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This is a pathological case where the fuzzer provides only 2 bytes per iteration.
Fixes: Timeout (>30 -> 0.9sec)
Fixes: 26488/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTS_fuzzer-5911031077142528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Also changes some default values for options after this change.
This makes distinction between feedback and wet option.
Before they would produce same output if values were swapped.
Currently a repeating setup request (with the same stream id) will
simply overwrite rtp_handle/transport_priv without freeing the
resources first. This is fixed by closing the previous setup request.
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This avoids per codec checks for channels not being 0
Fixes: division by 0
Fixes: 25419/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FASTAUDIO_fuzzer-5632544761184256
Fixes: 25433/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FASTAUDIO_fuzzer-6215671900536832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Paul B Mahol <onemda@gmail.com>
See: [FFmpeg-devel] [PATCH 1/3] avcodec/fastaudio: Check channel
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Paul B Mahol
James Almer
Michael Niedermayer
Andreas Rheinhardt
Andriy Gelman