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 b168ed9b14 avformat/iamf_writer: fix setting num_samples_per_frame for OPUS 5 days ago
compat compat: Fix the fallback definition of stdc_trailing_zeros 3 months ago
doc Document stream specifier syntax change from 46cbe4ab5c 2 months ago
ffbuild riscv: add Zvbb vector bit manipulation extension 8 months ago
fftools fftools/ffplay: fix crash when vk renderer is null 2 months ago
libavcodec avcodec/ac3dec: fix downmix logic for eac3 3 weeks ago
libavdevice avdevice/decklink_dec: fix leaks on error 3 months ago
libavfilter avfilter/f_loop: fix aloop activate logic 1 month ago
libavformat avformat/iamf_writer: fix setting num_samples_per_frame for OPUS 5 days ago
libavutil libavutil/riscv: Make use of elf_aux_info() on FreeBSD / OpenBSD riscv 4 weeks ago
libpostproc */version.h: bump minor versions for release/7.1 3 months ago
libswresample arm: Consistently use proper interworking function returns 3 months ago
libswscale arm: Consistently use proper interworking function returns 3 months ago
presets presets: remove moldering iPod presets 11 years ago
tests checkasm: Print benchmarks of C-only functions 2 weeks ago
tools tools/target_swr_fuzzer: Limit the number of samples 3 months ago
.gitattributes lavf/assenc: normalize line endings to \n 11 months ago
.gitignore gitignore: add config_components.h 3 years ago
.mailmap mailmap: add entry for myself 5 months ago
CONTRIBUTING.md Add CONTRIBUTING.md 8 years ago
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2 years ago
Changelog Document stream specifier syntax change from 46cbe4ab5c 2 months ago
INSTALL.md INSTALL.md: Fix Markdown formatting 6 years ago
LICENSE.md avfilter/vf_geq: Relicense to LGPL 5 years ago
MAINTAINERS MAINTAINERS: Fix typo in web repository 3 months ago
Makefile add tools/target_swr_fuzzer 5 months ago
README.md README: fix typo and description of libavfilter 3 years ago
RELEASE Update for 7.1 3 months ago
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 3 months ago
configure compat: add a fallback implementation of C23 stdbit.h 3 months 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.