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PostPosted: Fri Jan 15, 2010 8:38 pm 
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Joined: Wed Jun 06, 2007 3:29 am
Posts: 38
Location: Australia
Thanks for the advice mihanson.
Code:
mplayer -cache 8192 -cache-min 25

This does make a big difference, but it's still not 100% picture-wise, and the audio(I'm using pass-through to my amp via optical) quickly goes waaay out of sync. Tried 4096 too, but the same result.

HTD.


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PostPosted: Fri Jan 15, 2010 8:50 pm 
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Joined: Sun Sep 25, 2005 3:50 pm
Posts: 1013
Location: Los Angeles
Harveythedog wrote:
Code:
mplayer -cache 8192 -cache-min 25

This does make a big difference, but it's still not 100% picture-wise, and the audio(I'm using pass-through to my amp via optical) quickly goes waaay out of sync. Tried 4096 too, but the same result.


Hmmm... I'm using analog out with the machine that needed this, so I'm not sure why the digital audio would go out of sync. Have you tried different files? :?

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PostPosted: Fri Jan 15, 2010 9:03 pm 
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Joined: Wed Jun 06, 2007 3:29 am
Posts: 38
Location: Australia
mihanson wrote:
Have you tried different files? :?

Yes, but all passthrough audio AC3 and DTS (fighting with blu-ray here :D ). I will have to test with something non passthrough just to see the result.

Some progress though, if I set the up_threshold down to 15 my CPU scales up from 1000 to 1800 (100% is 2600MHz) which must speed up the HT and GPU side of things enough for blu-ray playback. 15 seems as low as I can set threshold-wise. It's a shame I can't go lower.


EDIT: OK, so I've solved my vdpau playback problems now - (according to google) Raising the CPU minimum scaling frequency to 1800MHz allows the RAM and integrated 8300 GPU to run at full speed. Not ideal I guess, but still should save some power and keep things a little bit cooler(it's summer here, and hot!)

So along with starting the powernow-k8 module in rc.conf, I have added to my /etc/runit/1.local:

Code:
echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo 20 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold
echo 1800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq



HTD.


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