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Philip Langdale 27038693bb avcodec/nvenc: Delay identification of underlying format of cuda frames When input surfaces are cuda frames, we will not know what the actual underlying format (nv12, p010, etc) is at surface allocation time. On the other hand, we will know when the input frames are actually registered and associated with a surface. So, let's delay format discovery until registration time, which is actually how we handle other frame properties, such as dimensions. By itself, this change doesn't allow for transcoding of 10bit content from cuvid, but it reduces the problem to the hardcoding of the sw format in ffmpeg_cuvid.c Signed-off-by: Philip Langdale <philipl@overt.org> Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>		2016-11-30 12:36:23 +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 a mean to alter decoded Audio and Video through chain of 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.
ffserver is a multimedia streaming server for live broadcasts.
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.