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QT Fullscreen Playback Choppy in Leopard?


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ehmjay

 
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Ever since switching to leopard I find that if I try to run videos in fullscreen they play back slow and choppy. However when I play them in VLC they run fine.

Im not sure if its a codec issue (i have perian installed) but im not sure, perhaps it's just quicktime??

At first I thought it might just be Xvid/Divx files, but it's also occuring with my own films that I've exported from Final Cut.
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Quote:
Originally Posted by ehmjay View Post
Ever since switching to leopard I find that if I try to run videos in fullscreen they play back slow and choppy. However when I play them in VLC they run fine.

Im not sure if its a codec issue (i have perian installed) but im not sure, perhaps it's just quicktime??

At first I thought it might just be Xvid/Divx files, but it's also occuring with my own films that I've exported from Final Cut.
What are your system specs?

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ehmjay

 
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Just thought I would mention this is on a 1.5 GHz Powerbook G4 with 1.25 gb.

My big monitor is running at 1440x900 butt even on my laptop at 1024x768 its a little laggy.

also I should note that even at "fit to screen" it runs perfectly fine, its just when it goes into full screen mode that I get the lag.
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ehmjay

 
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bump bump bump
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northy124

 
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I don't find that problem and i have a wide variety of films and music videos. Using MacBook 2.16GHz, 1GB Ram at max res.
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ehmjay

 
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this is so weird... i mean it could be my processor speed (1.5 ghz) but i have 1.25 gb ram, and it always ran FINE in tiger - and also works just fine in VLC...

i know some people are having troubles and its probably a QT issue but I have no idea... perhaps a codec thing? Maybe I'll just go visit an apple store...
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northy124

 
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Have you updated the software as there is and update that was released yesterday
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northy124

 
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Oh it sometimes happens if you have multi windows open
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ehmjay

 
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i have updated the software, and i assume by multi-windows you mean multiple QT windows - which was not the case...

...apprently this is common for PPC users - we'll have to keep waiting and see.
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northy124

 
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No i meant multi windows as in all windows open for different programs
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I saw this problem mentioned before Christmas. The conclusion seemed to be that is was a QuickTime issue but maybe even a low level Leopard issue too. Some people saw it while others didn't. I can't remember where I saw this mentioned, but I would check on the Apple forums.

Apple just released Qt 7.4 so you might want to try upgrading to that. IF you are not a pro doing some kind of video/audio editing.
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