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The nvidia 375.xx driver introduces support for P016 output surfaces, for 10bit and 12bit HEVC content (it's also the first driver to support hardware decoding of 12bit content). The cuvid api, as far as I can tell, only declares one output format that they appear to refer to as P016 in the driver strings. Of course, 10bit content in P016 is identical to P010, and it is useful for compatibility purposes to declare the format to be P010 to work with other components that only know how to consume P010 (and to avoid triggering swscale conversions that are lossy when they shouldn't be). For simplicity, this change does not maintain the previous ability to output dithered NV12 for 10/12 bit input video - the user will need to update their driver to decode such videos.
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 a mean to alter decoded Audio and Video through chain of 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.
- ffserver is a multimedia streaming server for live broadcasts.
- 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.