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Anton Khirnov 0d6b4351c6 Remove unnecessary use of avcodec_close(). 4 years ago
compat fb17ba86a8 compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 4 years ago
doc 7ab375f574 doc/utils: document the "s", "ms" and "us" suffixes for durations 4 years ago
ffbuild 0123a0fd14 common.mak: Also clean Windows debug files. 5 years ago
fftools 6cd198860d fftools/ffmpeg: update text requesting samples 4 years ago
libavcodec 0d6b4351c6 Remove unnecessary use of avcodec_close(). 4 years ago
libavdevice c5079bf3bc Bump minor versions after branching 4.3 4 years ago
libavfilter 0d6b4351c6 Remove unnecessary use of avcodec_close(). 4 years ago
libavformat 9dfb19baeb avformat/hls: check segment duration value of EXTINF 4 years ago
libavresample ded409b7c9 avresample: remove deprecated attribute from the AVAudioResampleContext struct 7 years ago
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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.