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Marton Balint eaca78eff8 avfilter/af_channelmap: add some additional checks for the mappings 
- Properly initialize all the mappings to -1 by default.
- Make sure every output channel is assigned exactly once
- Autodetect a native layout when only native channels are present
- Always honor the user specified layout, but make sure the mapping is
  compatible with it

The last item is a regression from 4af412be71.

Signed-off-by: Marton Balint <cus@passwd.hu>
2024-03-24 21:27:55 +01:00
compat
doc avutil/film_grain_params: add av_film_grain_params_select() 2024-03-23 18:55:15 +01:00
ffbuild
fftools ffprobe: adapt to new AVFilmGrainParams 2024-03-23 18:54:36 +01:00
libavcodec x86: Update x86inc.asm 2024-03-24 14:53:57 +01:00
libavdevice
libavfilter avfilter/af_channelmap: add some additional checks for the mappings 2024-03-24 21:27:55 +01:00
libavformat avformat/mov_chan: respect channel order when parsing and creating chan atom 2024-03-24 21:14:54 +01:00
libavutil avutil/film_grain_params: remove do loop in CHECK macro 2024-03-24 10:53:21 -04:00
libpostproc
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tests avfilter/af_channelmap: fix mapping if in_channel was a string but out_channel was not specified 2024-03-24 21:27:55 +01:00
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Changelog Changelog: add dnn libtorch backend entry 2024-03-23 11:42:13 +01:00
configure configure: Explicitly check for static_assert, _Static_assert 2024-03-24 19:05:35 +01:00
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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.