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Leo Izen 30d432f205 avcodec/libjxldec: fix gamma22 and gamma28 recognition 
Gamma 2.2 and Gamma 2.8 are tagged in the file as 0.45455 and 0.35714,
respectively (i.e. 1/2.2 and 1/2.8). Trying to identify them as 2.2 and
2.8 instead of these values will cause the transfer function to not
properly be recognized. This patch fixes this.

(cherry picked from commit 9d5e66942c)
2023-01-22 17:05:42 +02:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
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fftools fftools/ffmpeg_opt: try to propagate the requested output channel layout 2022-08-24 10:41:59 -03:00
libavcodec avcodec/libjxldec: fix gamma22 and gamma28 recognition 2023-01-22 17:05:42 +02:00
libavdevice avdevice/avdevice: fix return value of avdevice_list_devices() 2022-07-17 22:12:31 +02:00
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configure configure: enable the av1_frame_split bsf for the av1 decoder 2022-08-23 14:34:56 +02:00
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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.