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.
 
 
 
 
Michael Niedermayer c67d2a2875 Bump Versions before release/4.4 branch 4 years ago
compat compat/cuda: correct ushort4 to use ushort 4 years ago
doc Bump Versions before release/4.4 branch 4 years ago
ffbuild ffbuild/common: Make deletion of templates possible 4 years ago
fftools fftools/ffmpeg: use av_packet_alloc() to allocate packets 4 years ago
libavcodec Bump Versions before release/4.4 branch 4 years ago
libavdevice Bump Versions before release/4.4 branch 4 years ago
libavfilter Bump Versions before release/4.4 branch 4 years ago
libavformat Bump Versions before release/4.4 branch 4 years ago
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 7 years ago
libavutil Bump Versions before release/4.4 branch 4 years ago
libpostproc Bump Versions before release/4.4 branch 4 years ago
libswresample Bump Versions before release/4.4 branch 4 years ago
libswscale Bump Versions before release/4.4 branch 4 years ago
presets
tests fate: add adpcm_ima_cunning stereo test case 4 years ago
tools tools/target_bsf_fuzzer: use av_packet_alloc() to allocate packets 4 years ago
.gitattributes fate: add SCC test 8 years ago
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 5 years ago
.mailmap mailmap: add entry for myself 4 years ago
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 6 years ago
CONTRIBUTING.md Add CONTRIBUTING.md 8 years ago
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
Changelog avformat: add Changelog entry for librist and bump minor 4 years ago
INSTALL.md INSTALL.md: Fix Markdown formatting 6 years ago
LICENSE.md avfilter/vf_geq: Relicense to LGPL 5 years ago
MAINTAINERS MAINTAINERS: update names 4 years ago
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 4 years ago
README.md Remove the ffserver program 7 years ago
RELEASE Bump Versions before release/4.4 branch 4 years ago
configure lavc/videotoolboxenc: Add support for HEVC with Alpha. 4 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.