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Andreas Rheinhardt dbd2ca3580 avcodec/ac3{dec,enc}: Deduplicate gain levels table 
(I don't know why the encoder only uses eight of the nine values.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2025-06-02 13:37:41 +02:00
compat compat/cuda: add device side printf function 2025-05-14 22:08:33 +02:00
doc avfilter/blackdetect_vulkan: add hw accelerated blackdetect filter 2025-05-28 12:21:27 +02:00
ffbuild ffbuild: correctly silence and tag new css/html steps 2025-05-28 01:02:55 +02:00
fftools fftools/graph/graphprint: Remove redundant avio_flush() 2025-06-02 00:49:02 +02:00
libavcodec avcodec/ac3{dec,enc}: Deduplicate gain levels table 2025-06-02 13:37:41 +02:00
libavdevice avfoundation: Fix compilation for OSes other than macOS and iOS 2025-04-04 17:12:33 +03:00
libavfilter avfilter/x86/vf_spp: Remove permutation-specific code 2025-05-31 01:31:09 +02:00
libavformat avformat/movenc: Reduce loop iterations in mov_flush_fragment 2025-06-01 16:37:00 +08:00
libavutil avutil/vulkan: automatically enable shader device address usage bit 2025-05-28 12:21:20 +02:00
libswresample libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libswscale swscale/utils: Fix potential race when initializing xyz tables 2025-05-27 13:49:26 +02:00
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tests tests/fate/mov: Fix fate-mov-mp4-frag-flush requirements 2025-06-02 13:35:23 +02:00
tools tools/merge-all-source-plugins: Check that there are no uncommited changes 2025-05-15 16:19:59 +02:00
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Changelog Changelog: VVC supports all content of SCC 2025-05-17 09:24:01 +08:00
configure avcodec/vvc: support decoding prefix and suffix nal units 2025-05-31 09:35:54 +08:00
CONTRIBUTING.md
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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.