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 d3b963cc41 Changelog: update 5 years ago
compat compat/cuda: Change inclusion guards 5 years ago
doc Update for 4.2.3 5 years ago
ffbuild build: add support for building CUDA files with clang 5 years ago
fftools ffplay: set stream_index to -1 earlier to prevent segfault 5 years ago
libavcodec avcodec/pnmdec: Use unsigned for maxval rescaling 5 years ago
libavdevice Bump minor versions to separate 4.2 from master 5 years ago
libavfilter avfilter/vf_dedot: Fix leak of AVFrame if making it writable fails 5 years ago
libavformat avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE 5 years ago
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 7 years ago
libavutil avutil/encryption_info: Don't pass NULL to memcpy 5 years ago
libpostproc Bump minor versions to separate 4.2 from master 5 years ago
libswresample Bump minor versions to separate 4.2 from master 5 years ago
libswscale swscale/utils: Fix invalid left shifts of negative numbers 5 years ago
presets presets: remove moldering iPod presets 11 years ago
tests tests/fate/lavf-video.mak: fix fate-lavf-gif dependencies 5 years ago
tools tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure 5 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
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 6 years ago
CONTRIBUTING.md Add CONTRIBUTING.md 8 years ago
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 16 years ago
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 13 years ago
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
CREDITS CREDITS: redirect to Git log, remove current outdated content 12 years ago
Changelog Changelog: update 5 years ago
INSTALL.md INSTALL.md: Fix Markdown formatting 6 years ago
LICENSE.md LICENSE: Clarify --enable-nonfree. 6 years ago
MAINTAINERS MAINTAINERS: remove myself as mailing list maintainer 6 years ago
Makefile tools: Add fuzzer for demuxers 6 years ago
README.md Remove the ffserver program 7 years ago
RELEASE Update for 4.2.3 5 years ago
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 5 years ago
configure configure: bump year 5 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.