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.
Zhong Li 74e6800381 lavfi/qsvvpp: disable pass through mode if format changed 5 days ago
compat compat/cuda: Change inclusion guards 2 weeks ago
doc avfilter/vf_v360: add dual fisheye format 1 day ago
ffbuild build: add support for building CUDA files with clang 2 weeks ago
fftools fftools: Use right function signature and pointers 5 days ago
libavcodec lavc/qsvdec: Add VP9 decoder support 5 hours ago
libavdevice libavdevice: Update the class name as uniform style 5 days ago
libavfilter lavfi/qsvvpp: disable pass through mode if format changed 4 hours ago
libavformat avformat/hlsenc: reindent code 8 hours ago
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 1 year ago
libavutil avutil/mips: remove redundant code in TRANSPOSE16x8_UB_UB. 5 days ago
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 4 weeks ago
libswresample Bump minor versions again on master to keep 4.2 versions separate from master 4 weeks ago
libswscale lsws/ppc/yuv2rgb_altivec: Replace vec_lvsl/vec_perm with vec_xl 1 week ago
presets presets: remove moldering iPod presets 5 years ago
tests FATE/dnn: let fate/dnn tests depend on ffmpeg static libraries 20 hours ago
tools convert_from_tensorflow.py: support conv2d with dilation 4 days ago
.gitattributes fate: add SCC test 2 years ago
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 1 month ago
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 5 months ago
CONTRIBUTING.md Add CONTRIBUTING.md 2 years ago
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 10 years ago
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 10 years ago
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 7 years ago
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 10 years ago
CREDITS CREDITS: redirect to Git log, remove current outdated content 6 years ago
Changelog lavc/qsvdec: Add VP9 decoder support 5 hours ago
INSTALL.md INSTALL.md: Fix Markdown formatting 6 months ago
LICENSE.md LICENSE: Add missing libraries that need --enable-version3. 1 week ago
MAINTAINERS MAINTAINERS: Add my GnuPG fingerprint. 1 week ago
Makefile tools: Add fuzzer for demuxers 2 months ago
README.md Remove the ffserver program 1 year ago
RELEASE RELEASE: Update value for post 4.2 branch 4 weeks ago
configure lavc/qsvdec: Add VP9 decoder support 5 hours 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.