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Code Issues Releases Wiki Activity

man/options: Document cuda hwdec.

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Philip Langdale 2016-09-09 07:29:05 -07:00 committed by wm4
parent 27e3f04de7
commit d66f2a679b
1 changed files with 6 additions and 0 deletions
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DOCS/man/options.rst
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@ -602,6 +602,7 @@ Video
:d3d11va-copy: copies video back to system RAM (Windows only)
:mediacodec: copies video back to system RAM (Android only)
:rpi: requires ``--vo=rpi`` (Raspberry Pi only - default if available)
:cuda: requires ``--vo=opengl`` (Any platform CUDA is available)
``auto`` tries to automatically enable hardware decoding using the first
available method. This still depends what VO you are using. For example,
@ -673,6 +674,11 @@ Video
affect this additionally. This can give incorrect results even with
completely ordinary video sources.
``cuda`` is usually safe. However, it will usually not fallback cleanly
for unsupported profiles of otherwise supported codecs - most obviously,
this is the case for 10bit H.264 content. 10bit HEVC is currently not
supported but we can add support after CUDA 8 is released.
All other methods, in particular the copy-back methods (like
``dxva2-copy`` etc.) are either fully safe, or not worse than software
decoding. In particular, ``auto-copy`` will only select safe modes