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Michael Niedermayer 0dc4c9f745 avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS 
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 19235/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5680878952382464

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 794352ae9d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-04-23 21:29:01 +02:00
compat
doc Update for 2.8.16 2019-12-06 21:00:24 +01:00
libavcodec avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS 2020-04-23 21:29:01 +02:00
libavdevice
libavfilter avfilter/vf_geq: Use av_clipd() instead of av_clipf() 2019-12-06 20:30:57 +01:00
libavformat avformat/matroskadec: Fix default value of BlockAddID 2020-04-03 23:21:13 +02:00
libavresample
libavutil avutil/lfg: Correct index increment type to avoid undefined behavior 2019-12-06 20:30:58 +01:00
libpostproc postproc/postprocess_template: Avoid using %4 for the threshold compare 2019-12-02 19:41:47 +01:00
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libswscale libswcale: Fix possible string overflow in test. 2019-12-02 19:41:48 +01:00
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tests avcodec/vp56rac: delay signaling an error on truncated input 2019-12-06 20:30:57 +01:00
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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.