[MPlayer-users] Failed to open VDPAU backend libvdpau_nvidia.so

[Emanuel Berg]

Matus UHLAR - fantomas <uhlar at fantomas.sk> writes:

> I'd try to compare vdpau and xv to see which uses
> less of CPU time - vdpau is supposed to do more on
> the graphics card than xv. I'd use vdpau if it
> behaved better

With "vdpau", what invocation do you mean exactly?

And, do you have a good method to quantify CPU use?

>From playing the same file for roughly the same time,
while using top(1), I observed this CPU usage for the
different invocations:

mplayer1 -vo xv -nojoystick -nolirc -loop 0 -fs $@ > /dev/null             # ~5%
mplayer1 -nojoystick -nolirc -loop 0 -fs $@ > /dev/null                    # ~5%
mplayer1 -vo gl -nojoystick -nolirc -loop 0 -fs $@ > /dev/null             # ~5-6%
VDPAU_DRIVER=va_gl mplayer1 -nojoystick -nolirc -loop 0 -fs $@ > /dev/null # ~9-10%

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