4FFmpeg is a collection of libraries and tools to process multimedia content
5such as audio, video, subtitles and related metadata.
9* `libavcodec` provides implementation of a wider range of codecs.
10* `libavformat` implements streaming protocols, container formats and basic I/O access.
11* `libavutil` includes hashers, decompressors and miscellaneous utility functions.
12* `libavfilter` provides a mean to alter decoded Audio and Video through chain of filters.
13* `libavdevice` provides an abstraction to access capture and playback devices.
14* `libswresample` implements audio mixing and resampling routines.
15* `libswscale` implements color conversion and scaling routines.
19* [ffmpeg](https://ffmpeg.org/ffmpeg.html) is a command line toolbox to
20 manipulate, convert and stream multimedia content.
21* [ffplay](https://ffmpeg.org/ffplay.html) is a minimalistic multimedia player.
22* [ffprobe](https://ffmpeg.org/ffprobe.html) is a simple analysis tool to inspect
23 multimedia content.
24* [ffserver](https://ffmpeg.org/ffserver.html) is a multimedia streaming server
25 for live broadcasts.
26* Additional small tools such as `aviocat`, `ismindex` and `qt-faststart`.
30The offline documentation is available in the **doc/** directory.
32The online documentation is available in the main [website](https://ffmpeg.org)
33and in the [wiki](https://trac.ffmpeg.org).
37Coding examples are available in the **doc/examples** directory.
41FFmpeg codebase is mainly LGPL-licensed with optional components licensed under
42GPL. Please refer to the LICENSE file for detailed information.
46Patches should be submitted to the ffmpeg-devel mailing list using
47`git format-patch` or `git send-email`. Github pull requests should be
48avoided because they are not part of our review process. Few developers
49follow pull requests so they will likely be ignored.