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FFmpeg is a collection of libraries and tools to process multimedia contentsuch as audio, video, subtitles and related metadata.

• 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 means to alter decoded audio and video through a directed graph of connected 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.

• ffmpeg is a command line toolbox tomanipulate, convert and stream multimedia content.
• ffplay is a minimalistic multimedia player.
• ffprobe is a simple analysis tool to inspectmultimedia content.
• Additional small tools such asaviocat,ismindex andqt-faststart.

The offline documentation is available in thedoc/ directory.

The online documentation is available in the mainwebsiteand in thewiki.

Coding examples are available in thedoc/examples directory.

FFmpeg codebase is mainly LGPL-licensed with optional components licensed underGPL. Please refer to the LICENSE file for detailed information.

Patches should be submitted to the ffmpeg-devel mailing list usinggit format-patch orgit send-email. Github pull requests should beavoided because they are not part of our review process and will be ignored.