Video HW output with ATI

NoOp glgxg at
Sun Jul 18 18:34:31 UTC 2010

On 06/22/2010 02:59 PM, Jack Knowlton wrote:
> Hi all.
> I have a Ubuntu HTPC running 10.04_amd64.
> Until some time ago I had a Nvidia 8400GS card and was able to use the
> vdpau output in mplayer (with packages from "cutting edge" repo).
> Now I have switched to an ATI Raden HD 4350 with the fglrx driver.
> Since I have changed the GPU, 1080p MKVs don't run smoothly anymore and
> sometimes even 720p playback has a few hiccups now and then.
> Is there something equivalent to vdpau for an ATI card?
> I don't care for gaming, desktop effects and so forth, but I expect movies
> to playback without trouble.
> Thank you.

OK. Try this:

1. In one terminal
$ mplayer -vo help
2. Open another terminal & position next to the first terminal (so you
can read all of the options from terminal #1.
$ mplayer -vo <driver> <video>
Where <driver> is xv, gl, etc., and <video> is the name of the test
video. I used a short 42Mb avi for testing.
Let the video play all the way through. mplayer will provide you output
regarding the playback, including warnings that your system may be too
slow w/possible workarounds etc.
3. Repeat #2 above with the next driver. You'll eventually find the
driver that provides the best results. Once you do, modify your mplayer
to use that driver (either via gnome-mplayer, smplayer, or via

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