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Previously, VUI information was not exposed. If the container lacks HDR metadata, HDR videos appear washed out Command: mp4box -add hdr.mp4#video:colr=nclc,1,1,1 -new new.mp4 && ffprobe new.mp4 Before: Stream #0:0[0x1](und): Video: vvc (vvc1 / 0x31637676), yuv420p10le(bt709), 1920x1080, 12164 kb/s, 50 fps, 50 tbr, 90k tbn (default) After: Stream #0:0[0x1](und): Video: vvc (vvc1 / 0x31637676), yuv420p10le(tv, bt2020nc/bt2020/arib-std-b67), 1920x1080 [SAR 1:1 DAR 16:9], 12164 kb/s, 50 fps, 50 tbr, 90k tbn (default) Reported-by: Barry Warburton <blwarburton@gmail.com>
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements 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,ismindexandqt-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.