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Michael Niedermayer 06ef186fa1 avcodec/jpeg2000: Check stepsize before using it 
Fixes: value 1.87633e+10 is outside the range of representable values of type 'int'
Fixes: Undefined behavior
Fixes: 14246/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5758393601490944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-04-25 14:49:51 +02:00
compat compat/windows/makedef: Allow building shared libs with MSVC under WSL 2019-04-24 01:41:13 +02:00
doc avfilter/af_surround: add angle option 2019-04-24 22:31:02 +02:00
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fftools libavformat: improve logs with cur_dts 2019-04-19 17:14:44 +02:00
libavcodec avcodec/jpeg2000: Check stepsize before using it 2019-04-25 14:49:51 +02:00
libavdevice avdevice/alsa: fix indefinite stop on closing PCM capture 2019-04-23 14:01:23 -08:00
libavfilter lavfi/frei0r: Fix a union member type and remove an unneeded cast. 2019-04-25 00:29:09 +02:00
libavformat avformat/mov: Skip stsd adjustment without chunks 2019-04-24 17:05:02 +02:00
libavresample
libavutil avutil/avstring: Fix bug and undefined behavior in av_strncasecmp() 2019-04-24 17:05:02 +02:00
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README.md
RELEASE RELEASE: bump to 4.1.git 2018-11-02 00:55:49 +01:00

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.