You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
Haihao Xiang f2feb31b78 qsvenc: Value '0' is not a valid value for parameter GopOptFlag 3 years ago
compat
doc avfilter/vf_pseudocolor: add three more presets 3 years ago
ffbuild
fftools ffmpeg: fix order between field order autodetection and override 3 years ago
libavcodec qsvenc: Value '0' is not a valid value for parameter GopOptFlag 3 years ago
libavdevice
libavfilter avfilter/vf_pseudocolor: add three more presets 3 years ago
libavformat avformat/concat: check the terminating character returned by av_get_token() 3 years ago
libavutil avutil/film_grain_params: add support for H.274 Film Grain Characteristics 3 years ago
libpostproc
libswresample
libswscale
presets
tests
tools tools/graph2dot: Don't use sizeof(AVFilterGraph), check allocation 3 years ago
.gitattributes
.gitignore
.mailmap
.travis.yml
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
Changelog avfilter: add afwtdn filter 3 years ago
INSTALL.md
LICENSE.md
MAINTAINERS
Makefile
README.md
RELEASE
configure configure: remove sofalizer triggering of avcodec dependency 3 years ago

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.