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Michael Niedermayer 437cd15ae3 avformat/matroskadec: Fix infinite loop with bz decompression 
The same check is added to zlib too, it seems not needed there though

Fixes: Infinite loop
Fixes: 43932/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-6175167573786624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9c3d2cbb51)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-02-16 18:57:03 +01:00
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doc Update for 2.8.18 2021-10-21 00:01:06 +02:00
libavcodec avcodec/apedec: Fix integer overflows in predictor_update_3930() 2022-01-13 23:23:25 +01:00
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libavfilter avfilter/vf_yadif: Fix handing of tiny images 2021-10-17 21:34:53 +02:00
libavformat avformat/matroskadec: Fix infinite loop with bz decompression 2022-02-16 18:57:03 +01:00
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libavutil avutil/common: Add FF_PTR_ADD() 2021-10-17 21:34:53 +02:00
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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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.