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manpage: update --hwdec=d3d11va remarks

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wm4 2016-05-31 18:32:06 +02:00
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commit 62acbd795f
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8
DOCS/man/options.rst
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@ -650,11 +650,9 @@ Video
or BT.709, a forced but correct RGB conversion is performed. Otherwise,
the result will be incorrect.
``d3d11va`` is usually safe. If the ``EGL_KHR_stream path`` is indicated
in the logs, it is lossless and full OpenGL filtering is done. If
``ID3D11VideoProcessor path`` is indicated, and the video colorspace is
either BT.601 or BT.709, a forced but correct RGB conversion is
performed. Otherwise, the result will be incorrect.
``d3d11va`` is usually safe (if used with ANGLE builds that support
``EGL_KHR_stream path`` - otherwise, it converts to RGB), except that
10 bit input (HEVC main 10 profiles) will be rounded down to 8 bits.
``dxva2`` is not safe. It appears to always use BT.601 for forced RGB
conversion, but actual behavior depends on the GPU drivers. Some drivers