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Re: Seeking help: video capture failures and crashes

On Friday, January 11, 2002, at 01:55 PM, Bill Stewart wrote:

So this may not be an ideal resolution....

You typically CAN NOT set a seqeuence grabber to an offscreen Gworld = which
your call to tokenGWorld is doing.

DV should be cool - DV over FireWire has no screen DMA.

if your hardware has a memory buffer preference, like the built in capture on many earlier Macs, or a PCI card or something, then yes, it will cause problems to try to use a GWorld not accessable to the hardware (ie: offscreen, wrong screen, etc)... but USB, FireWire and many PCI sources do not have this requirement.

but my thinking is it's just a plain "we got no current, valid gworld" thing inside QT not QTJ???

I'm just suggesting having a valid gworld for your preamble to making your video channel as a work around that is harmless enough (with consideration) and has worked for me in the past few months...

cheers,

dean

References: 
 >Re: Seeking help: video capture failures and crashes (From: Bill Stewart <email@hidden>)



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