FFmpeg-Plus README

June 19, 2026 ยท View on GitHub

FFmpeg-Plus is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Also bringing more codecs and other supports brought by Martin Eesmaa. :)

Additionals added in FFmpeg-Plus

  • External support of SVT encoders of HEVC and VP9
  • Dolby AC-4 native experimental decoding support (patch from librempeg)
  • Dolby TrueHD 7.1 surround native encoding support (patch from librempeg)
  • Alpha experimental Dolby E-AC-3 Surround 7.1 encoding support (afterwards, require md71 for finalize muxing)
  • Apple AAC AudioToolbox encoder support for additional Windows support
  • Including external AVS3 video encoder, native QOA audio encoder, external MPEG-H encoder from Ittiam and ADPCM IMA SMJPEG native encoder
  • Nintendo THP Video encoding support with ADPCM
  • Extra decoders included as libvvdec, libmad, Blackmagic RAW, Delta YUV, MotionCam RAW and libcelt.
  • Supports experimental demuxing of State of the Art Audio Codec (SAC)

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.