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Michael Niedermayer 650f0f97db
avformat/cafdec: Check that nb_frasmes fits within 64bit 
Fixes: signed integer overflow: 1099511693312 * 538976288 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6565048815845376

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 d4bb4e3759)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2022-09-26 16:51:00 +02:00
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fftools fftools/ffplay: do not write out of rdft visualization texture 2021-03-28 01:14:33 +01:00
libavcodec avcodec/mjpegdec: Check for unsupported bayer case 2022-09-26 16:50:58 +02:00
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libavfilter avfilter/vf_showinfo: remove backspaces 2022-09-26 16:50:56 +02:00
libavformat avformat/cafdec: Check that nb_frasmes fits within 64bit 2022-09-26 16:51:00 +02:00
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libavutil avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results 2021-10-21 15:25:55 +02:00
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libswresample swresample/audioconvert: Fix left shift of negative value 2021-02-27 07:20:58 +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.
  • 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.