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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](https://ffmpeg.org/ffmpeg.html) is a command line toolbox to manipulate, convert and stream multimedia content. * [ffplay](https://ffmpeg.org/ffplay.html) is a minimalistic multimedia player. * [ffprobe](https://ffmpeg.org/ffprobe.html) 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](https://ffmpeg.org) and in the [wiki](https://trac.ffmpeg.org). ### 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.