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Michael Niedermayer 3cfd197bea
swscale/output: Fix integer overflows in yuv2rgba64_X_c_template 
Fixes: signed integer overflow: -1082982400 + -1068681048 cannot be represented in type 'int'
Fixes: 69995/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-6285740271534080

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 bcab9789ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 10:42:24 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
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ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools fftools/ffmpeg: Check read() for failure 2024-07-21 18:55:36 +02:00
libavcodec avcodec/pnmdec: Use 64bit for input size check 2024-07-22 01:15:33 +02:00
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libavfilter avfilter/vf_bm3d: Dont round MSE2SSE to an integer 2024-07-21 22:24:14 +02:00
libavformat avformat/mxfdec: Reorder elements of expression in bisect loop 2024-07-22 01:18:35 +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.