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Andreas Rheinhardt 493356cc0b avformat/asf: Move ASF GUIDs to a new file 
They are also needed by the MMSH and MMST protocols and therefore
the file they are in is pulled in when these protocols are enabled
and used. By moving them to a separate file, linking statically to
libavformat while only using AVIO no longer pulls in all the
muxers/demuxers (and also no longer any AVCodecs when linking
statically to libavcodec).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-05-10 07:46:57 +02:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avfilter/af_crossfeed: add option for linear phase filtering 2022-05-09 22:21:40 +02:00
ffbuild lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
fftools doc/ffprobe: clarify that the input file is not optional 2022-04-21 12:34:04 +05:30
libavcodec lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
libavdevice avdevice/v4l2*: Improve included headers 2022-05-10 07:38:01 +02:00
libavfilter lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
libavformat avformat/asf: Move ASF GUIDs to a new file 2022-05-10 07:46:57 +02:00
libavutil lib*/version: Move library version functions into files of their own 2022-05-10 06:49:32 +02:00
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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 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.

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.