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Niklas Haas 22929bd044 avutil/frame: add AVFrame.alpha_mode 
FFmpeg currently handles alpha in a quasi-arbitrary way. Some filters/codecs
assume alpha is premultiplied, others assume it is independent. If there is
to be any hope for order in this chaos, we need to start by defining an enum
for the possible range of values.
2025-09-02 17:05:50 +02:00
.forgejo .forgejo/CODEOWNERS: add myself for various files 2025-09-02 13:17:02 +00:00
compat w32pthreads: add support for setting thread name 2025-08-15 19:54:01 +00:00
doc avutil/frame: add AVFrame.alpha_mode 2025-09-02 17:05:50 +02:00
ffbuild ffbuild/commonmak: Consolidate pattern rules for compression 2025-08-13 17:39:49 +00:00
fftools fftools/ffmpeg: fix gracefully shutdown 2025-09-02 15:56:27 +02:00
libavcodec avcodec/aac_ac3_parser: do not override the profile set by the decoder 2025-09-02 16:05:46 +02:00
libavdevice Bump versions for master after release/8.0 2025-08-09 18:03:05 +02:00
libavfilter libavfilter/vf_minterpolate: Use local variable in array 2025-09-02 15:56:23 +02:00
libavformat avformat/mov: export Exif metadata from HEIF streams 2025-09-01 12:07:35 -03:00
libavutil avutil/frame: add AVFrame.alpha_mode 2025-09-02 17:05:50 +02:00
libswresample Bump versions for master after release/8.0 2025-08-09 18:03:05 +02:00
libswscale swscale/ops: fix build with msvc 2025-09-02 10:28:56 +00:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/libaom: Add test for HDR10+ metadata support 2025-09-02 16:05:45 +02:00
tools tools: Split the list of source plugins out of "merge-all-source-plugins" 2025-08-13 11:50:52 +00:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore forgejo/workflows: add initial rudimentary CI 2025-07-22 20:06:20 +02:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog avcodec/libaom: Add HDR10+ metadata support 2025-09-02 15:56:56 +02:00
configure configure: report if unstable is enabled 2025-09-01 22:37:17 -03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md all: fix typos found by codespell 2025-08-03 13:48:47 +02:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself as hwcontext_d3d12va maintainer 2025-08-08 21:51:15 +00:00
Makefile Makefile: Split ALLFFLIBS 2025-05-26 20:33:10 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update to 8.0 2025-08-14 08:42:29 -04:00

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.