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Andreas Rheinhardt 0086432fc7 fftools, libavcodec, libavfilter: Add const to some AVCodec * 
The user has no business modifying the underlying AVCodec.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-09-11 14:42:36 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc avformat: add mca demuxer 2020-09-10 17:38:08 +02:00
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fftools fftools, libavcodec, libavfilter: Add const to some AVCodec * 2020-09-11 14:42:36 +02:00
libavcodec fftools, libavcodec, libavfilter: Add const to some AVCodec * 2020-09-11 14:42:36 +02:00
libavdevice avdevice/lavfi: Remove redundant av_packet_unref() 2020-09-06 21:45:41 +02:00
libavfilter fftools, libavcodec, libavfilter: Add const to some AVCodec * 2020-09-11 14:42:36 +02:00
libavformat avformat/utils: Avoid duplicating extradata from extract_extradata BSF 2020-09-11 14:38:18 +02:00
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libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
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README.md
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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 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 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.