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James Almer b4e7fc4b4b
avcodec/avpacket: use av_malloc() to allocate an AVPacket 		4 years ago
compat atomics: Fix the win32 atomic_exchange function 4 years ago
doc lavfi/dnn_classify: add filter dnn_classify for classification based on detection bounding boxes 4 years ago
ffbuild libavresample: Remove deprecated library 4 years ago
fftools ffprobe: add option to control optional fields display 4 years ago
libavcodec avcodec/avpacket: use av_malloc() to allocate an AVPacket 4 years ago
libavdevice avformat: move AVStream.{parser,need_parsing} to AVStreamInternal 4 years ago
libavfilter lavfi/dnn_classify: add filter dnn_classify for classification based on detection bounding boxes 4 years ago
libavformat avformat/matroskadec: remove special handling of av1c extradata 4 years ago
libavutil mips: Fix potential illegal instruction error. 4 years ago
libpostproc Bump major versions of all libraries. 4 years ago
libswresample Bump major versions of all libraries. 4 years ago
libswscale Bump major versions of all libraries. 4 years ago
presets presets: remove moldering iPod presets 11 years ago
tests tests/image: remove colorspace conversion from jpegls tests 4 years ago
tools avfilter/dnn/dnn_backend_tf: simplify the code with ff_hex_to_data 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.