All,
Well. I think I might have identified part of the problem. I had a
very minimal make.conf, specifically the USE variable.
I am now recompiling everything from X back up to mplayer with stuff
like "nvidia" turned on and a bunch of codec stuff. I assume this will
make a noticeable difference.
I just can't believe that a card and processor that I used to play
movies on three years ago can't handle the same encoding, especially at
a resolution of 640x480.
After I get this squared away, I think the next task is going to be
tuning the output to the TV so it's not so hard to look at it without
getting a migraine.
Ongoing thanks to everyone who has been helping.
Sincerely,
Erich
[EMAIL PROTECTED] wrote:
On Wed, Jul 20, 2005 at 09:26:30AM -0400, Erich Beckmann wrote:
When I try to playback a lot of my movie files, the playback is very
jerky. Is there somewhere I can look to tweak the settings of Mplayer to
get the playback to be smoother? OR What is the recommended way to go
about configuring the string to launch Mplayer?
You should probably start by clearly identifying the bottleneck. The
big four on a MythTV system will be hard drive speed (transfer rate,
DMA), network speed (on split front/back systems), video output limits
and CPU usage.
For example, instead of running TV capture and playback at full screen
sizes on high resolution, make sure the recorder is idle and then do a
playback into a 320x200 window. If the playback stops stuttering then
your hard drive and/or network are keeping up and the problem is in
computation. If it still stutters then you have a transport problem.
Of course the resolution of the display also plays a role, but the
difference can sometimes be counter-intuitive. One of my front-end
machines uses an LCD display rather than TV-out. On that machine I get
*far* better performance if I run MythTV at 1280x1024 resolution than
at 640x480 resolution. I assume this is because the LCD has to display
at its native resolution no matter what the computer generates, and the
video card's hardware accelleration is more efficient at scaling the
image than the LCD is.
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