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Lynne 96ddce1b3c
vulkan: move OPT_CHAIN out of hwcontext_vulkan 
This allows for it to be shared.
Technically, implementations should not give drivers structs
that the drivers are not familiar with.
2025-04-22 13:43:19 +02:00
compat compat/w32pthreads: change pthread_t into pointer to malloced struct 2024-12-16 09:43:19 +01:00
doc avutil/log,hwcontext: Add AV_CLASS_CATEGORY_HWDEVICE 2025-04-21 00:19:11 +02:00
ffbuild configure: add option to select use of response files 2025-03-30 17:22:10 +05:30
fftools fftools/textformat/avtextformat: Remove unused variable 2025-04-17 01:49:04 +02:00
libavcodec avcodec/vc2enc: Improve error codes 2025-04-21 17:02:44 +02:00
libavdevice avfoundation: Fix compilation for OSes other than macOS and iOS 2025-04-04 17:12:33 +03:00
libavfilter lavfi/src_movie: set pkt_timebase 2025-04-15 15:49:38 +02:00
libavformat avformat/takdec.c: return proper error codes for avio_read() failures 2025-04-21 14:08:23 -03:00
libavutil vulkan: move OPT_CHAIN out of hwcontext_vulkan 2025-04-22 13:43:19 +02:00
libpostproc libpostproc: update APIChanges and version for "deprecate the AMD 3DNow" 2025-04-16 13:59:15 +02:00
libswresample libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libswscale swscale/x86/rgb2rgb: Deduplicate ASM constants 2025-04-13 22:49:21 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/magicyuvenc: Fix Huffman element probabilities 2025-04-20 22:04:36 +02:00
tools tools: Fix deprecation warning in patcheck 2025-04-16 13:09:02 +02:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore ffmpeg/repo: Add dot-folders in the repository root to .gitignore 2025-04-19 17:29:12 +02:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog doc/encoders: Document png pred 2025-04-10 03:01:34 +02:00
configure configure: Clearer documentation for "disable-safe-bitstream-reader" 2025-04-16 13:09:03 +02:00
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 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
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
INSTALL.md INSTALL: explain the circular dependency issue and solution 2024-11-03 19:35:23 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Add myself 2025-03-25 11:38:21 +01:00
Makefile configure: Add wasm as a fake arch 2024-12-04 16:43:06 +08:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +02:00

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.