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Michael Niedermayer c91ed5ee63
avformat/dxa: avoid bpc overflows
Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6639823726706688

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 93db0f0740)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-10-21 22:19:37 +02:00
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doc doc/git-howto.texi: Document commit signing 2022-10-21 22:19:37 +02:00
libavcodec avcodec/apedec: Fix integer overflow in filter_3800() 2022-10-21 22:19:37 +02:00
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libavfilter avfilter/vsrc_mandelbrot: Check for malloc failure 2022-10-21 22:19:37 +02:00
libavformat avformat/dxa: avoid bpc overflows 2022-10-21 22:19:37 +02:00
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Changelog Update for FFmpeg 3.2.18 2022-05-11 02:16:45 +02:00
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MAINTAINERS MAINTAINERS: Add ED25519 key for signing my commits in the future 2022-10-21 22:19:37 +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.

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.