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Limin Wang ed39d28ce7
avcodec/libsvtav1: fix copy and paste error 		4 years ago
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 5 years ago
doc doc/general: mark that CFHD have encoder now 4 years ago
ffbuild ffbuild: Refine MIPS handling 4 years ago
fftools fftools/ffmpeg: make specifying thread_queue_size turn on threaded input 4 years ago
libavcodec avcodec/libsvtav1: fix copy and paste error 4 years ago
libavdevice kmsgrab: Add more supported formats 4 years ago
libavfilter avfilter/vf_xfade: check that fps between inputs are valid 4 years ago
libavformat avformat/ty: Remove write-only array and variable 4 years ago
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 7 years ago
libavutil avutil/channel_layout: add 22.2 layout 4 years ago
libpostproc Bump minor versions after branching 4.3 5 years ago
libswresample swresample/rematrix: treat 22.2 as 5.1 (back) when mixing 4 years ago
libswscale swscale: do not drop half of bits from 16bit bayer formats 4 years ago
presets presets: remove moldering iPod presets 11 years ago
tests FATE/dnn: add unit test for dnn avgpool layer 4 years ago
tools tools/target_dec_fuzzer: Adjust threshold for AGM 4 years ago
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Changelog avformat: add argo_asf muxer 4 years ago
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 5 years ago
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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.