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Code Issues Releases Wiki Activity

manpage: add note about video filters and hwdec

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This commit is contained in:
Kevin Mitchell 2016-03-07 20:05:29 -08:00
parent 1cd2511752
commit 438af2e633
1 changed files with 5 additions and 1 deletions

6
DOCS/man/options.rst
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@ -598,8 +598,12 @@ Video
forcing it with ``--vo=opengl:backend=x11``, but the vaapi/GLX interop is
said to be slower than ``vaapi-copy``.
Most video filters will not work with hardware decoding as they are
primarily implemented on the CPU. Some exceptions are ``vdpaupp``,
``vdpaurb`` and ``vavpp``. See `VIDEO FILTERS`_ for more details.
The ``vaapi-copy`` and ``dxva2-copy`` modes allow you to use hardware
decoding with any VO or backend. Because these copy the decoded
decoding with any VO, backend or filter. Because these copy the decoded
video back to system RAM, they're likely less efficient than the ``vaapi``
or ``dxva2`` modes respectivley.