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Michael Niedermayer 1c2b1c0428 avcodec/cbs_av1: Check leb128 values read 
"It is a requirement of bitstream conformance that the value returned from the leb128 parsing process is less than or equal
to (1 << 32) - 1."

Fixes: assertion failure
Fixes: 19293/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5749508361420800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a70d836364)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2020-05-19 17:17:35 +02:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
doc Update for FFmpeg 4.2.2 2019-12-31 21:19:06 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
fftools ffplay: properly detect all window size changes 2019-08-14 22:07:32 +02:00
libavcodec avcodec/cbs_av1: Check leb128 values read 2020-05-19 17:17:35 +02:00
libavdevice Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libavfilter avfilter/vf_geq: Use av_clipd() instead of av_clipf() 2019-12-31 19:51:56 +01:00
libavformat Revert "avformat/rtp: Pass sources and block filter addresses via sdp file for rtp" 2020-04-05 11:59:49 +02:00
libavresample
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libavutil avutil/lfg: Correct index increment type to avoid undefined behavior 2019-12-31 19:51:56 +01:00
libpostproc Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswresample Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswscale Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
presets
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tests avcodec/fitsdec: Use lrint() 2019-12-31 19:51:57 +01:00
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Changelog Update for FFmpeg 4.2.2 2019-12-31 21:19:06 +01:00
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RELEASE Update for FFmpeg 4.2.2 2019-12-31 21:19:06 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 2019-07-21 18:58:41 +02:00
configure configure: bump year 2020-05-19 17:17:35 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.