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.
 
 
 
 
Hao Guan cd2f8a22e9 avcodec/videotoolboxenc: fix vtctx reset condition 6 months ago
compat
doc doc/filters/perlin: specify default values 6 months ago
ffbuild
fftools
libavcodec avcodec/videotoolboxenc: fix vtctx reset condition 6 months ago
libavdevice avdevice/v4l2: add limited support for multiplanar API 6 months ago
libavfilter avfilter/vf_tiltandshift: fix buffer offset for yuv422p input 6 months ago
libavformat lavf/movenc: mark mov/mp4 as supporting VFR 6 months ago
libavutil avutil/hwcontext_videotoolbox: Set CVBuffer CGColorSpace 6 months ago
libpostproc
libswresample
libswscale swscale/aarch64: Add argb/abgr to yuv 6 months ago
presets
tests tests/fate/mov: add a test for VFR muxing 6 months ago
tools
.gitattributes
.gitignore
.mailmap
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
Changelog
INSTALL.md
LICENSE.md
MAINTAINERS
Makefile
README.md
RELEASE
configure

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 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.