From 438af2e633ac1490ac5da7d3466a4795a7e3374f Mon Sep 17 00:00:00 2001 From: Kevin Mitchell Date: Mon, 7 Mar 2016 20:05:29 -0800 Subject: manpage: add note about video filters and hwdec --- DOCS/man/options.rst | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'DOCS') diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 51ec16fff2..9048590db9 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -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. -- cgit v1.2.3