FFmpeg README

    FFmpeg is a collection of libraries and tools to process multimedia content such 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 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.


    The offline documentation is available in the doc/ directory.

    The online documentation is available in the main website and in the wiki.


    Coding examples are available in the doc/examples directory.


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


    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.


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    发行版本 11

    FFmpeg 2.8.5 Release


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