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swscale/rgb : move shuffle func shuffle_bytes_1230, shuffle_bytes_3012, shuffle_bytes_3210 in order to add SIMD 		7 years ago
compat compat: remove in-tree NVidia headers 7 years ago
doc avcodec/avcodec.h: Add encryption info side data. 7 years ago
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fftools ffmpeg: pass reference counted packet on codec copy when possible 7 years ago
libavcodec Revert "avcodec/vp9_superframe_bsf: cache packets by creating new references rather than moving them" 7 years ago
libavdevice lavd: fix iterating of input and output devices 7 years ago
libavfilter avfilter/avf_showvolume: implement basic rms metering mode 7 years ago
libavformat lavf/utils.c: Don't compute start_time from DISCARD packets for video. 7 years ago
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 7 years ago
libavutil avcodec/avcodec.h: Add encryption info side data. 7 years ago
libpostproc postproc: Drop deprecated qp typedef 7 years ago
libswresample swresample/rematrix: fix update of channel matrix if input or output layout is undefined 7 years ago
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tests lavf/utils.c: Don't compute start_time from DISCARD packets for video. 7 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.