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.
 
 
 
 
James Almer 0fc9c1f682 avutil/version: bump minor after recent changes 2 years ago
compat compat: Use '-' instead of '/' for rc.exe options 2 years ago
doc avutil/version: bump minor after recent changes 2 years ago
ffbuild configure: probe RISC-V Vector extension 2 years ago
fftools fftools: use the new AVFrame keyframe flag 2 years ago
libavcodec avutil/frame: deprecate key_frame 2 years ago
libavdevice avdevice/decklink_enc: fix operator precedence in create_s337_payload 2 years ago
libavfilter avutil/frame: deprecate key_frame 2 years ago
libavformat lavf/dv: use a more granular timebase for audio 2 years ago
libavutil avutil/version: bump minor after recent changes 2 years ago
libpostproc version.h: Bump minor post 6.0 branch 2 years ago
libswresample swresample/swresample: add a used channel layout option using the new API 2 years ago
libswscale version.h: Bump minor post 6.0 branch 2 years ago
presets
tests fftools/ffmpeg: always use the same path for setting InputStream.[next_]dts 2 years ago
tools tools/target_dec_fuzzer: Adjust threshold for rka 2 years ago
.gitattributes fate: add SCC test 8 years ago
.gitignore gitignore: add config_components.h 3 years ago
.mailmap mailmap: stop git lying about who I commit things as 2 years ago
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 6 years ago
CONTRIBUTING.md Add CONTRIBUTING.md 9 years ago
COPYING.GPLv2
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
COPYING.LGPLv2.1
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
CREDITS Use https for repository links 2 years ago
Changelog avfilter: add arls filter 2 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: add maintainer for the imf demuxer 2 years ago
Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2 years ago
README.md README: fix typo and description of libavfilter 3 years ago
RELEASE RELEASE: update after 5.1 branch 3 years ago
configure lavu/hwcontext_vaapi: Add Windows/VAAPI support with vaGetDisplayWin32 2 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 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.