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Rick Kern 247e977953 lavc/videotoolboxenc: warn when alpha quality not set 
Added a warn log when alpha quality cannot be set, but continue encoding.

Signed-off-by: Rick Kern <kernrj@gmail.com>
2023-05-20 11:42:12 -04:00
compat compat: Use '-' instead of '/' for rc.exe options 2023-02-13 13:49:40 +02:00
doc avfilter/f_graphmonitor: make mode option of type flags 2023-05-18 18:12:42 +02:00
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fftools fftools/ffmpeg: rename transcode_init() 2023-05-15 13:32:02 +02:00
libavcodec lavc/videotoolboxenc: warn when alpha quality not set 2023-05-20 11:42:12 -04:00
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libavfilter avfilter/af_surround: replace double constants with float variants 2023-05-19 17:12:04 -03:00
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README.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.