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manpage: document dxva2 option for hwdec

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Also mention dxva2-copy along with vaapi-copy.
This commit is contained in:
Kevin Mitchell
2016-03-07 20:03:44 -08:00
parent 8ff09f3217
commit 1cd2511752
1 changed files with 6 additions and 3 deletions
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9
DOCS/man/options.rst
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@@ -580,6 +580,8 @@ Video
:vaapi: requires ``--vo=opengl`` or ``--vo=vaapi`` (Linux only)
:vaapi-copy: copies video back into system RAM (Linux with Intel GPUs only)
:videotoolbox: requires ``--vo=opengl`` (OS X 10.8 and up only)
:dxva2: requires ``--vo=opengl:backend=angle`` or
``--vo=opengl:backend=dxinterop`` (Windows only)
:dxva2-copy: copies video back to system RAM (Windows only)
:rpi: requires ``--vo=rpi`` (Raspberry Pi only - default if available)
@@ -596,9 +598,10 @@ Video
forcing it with ``--vo=opengl:backend=x11``, but the vaapi/GLX interop is
said to be slower than ``vaapi-copy``.
The ``vaapi-copy`` mode allows you to use vaapi with any VO. Because
this copies the decoded video back to system RAM, it's likely less efficient
than the ``vaapi`` mode.
The ``vaapi-copy`` and ``dxva2-copy`` modes allow you to use hardware
decoding with any VO or backend. Because these copy the decoded
video back to system RAM, they're likely less efficient than the ``vaapi``
or ``dxva2`` modes respectivley.
.. note::