HD Quicktime playback reply

Suspended
Joined
17 Mar 2006
Posts
9,055
I can't find the thread where a bloke asked about stuttery performance with 1080P Quicktime files, so have to create a new thread.

Anyway downloaded and tried Spiderman 3 1080, with system in the sig, playback is smooth with no dropped frames by the look of it. I enabled FFDSHOW scaling from 1080P to (912 vertical) to 1050, and every 30 seconds or so I get a small video stutter. But I noticed native rez is 1920 wide, so perhaps downscaling to 1680 is the problem. CPU playback is around 59% when scaling. 51% when not scaling (total CPU loads) looks like core 1 is at 100% :eek: That's with the CPU overclocked as well!

spider.jpg

Picture is with FFDSHOW resize disabled.
 
Soldato
Joined
6 Jun 2005
Posts
22,598
Just for comparison I have the rig below and during the download / playback of the same trailer at 1080 it was again pretty stuttery but the cpu usage only got to around 50% (on one core)
 
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