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Old September 10th, 2006, 04:24 PM   #16
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Join Date: Jan 2005
Location: Dallas, TX
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Quote:
Originally Posted by Richard Leadbetter
Jay: the VFW CineForm codec is single-threaded. Therefore the reading of the source files (ie where Vegas will get all its data to process) won't use your multiple cores. This is surely a fundamental speed disadvantage compared to Premiere Pro and Aspect HD, which does.

So it will affect both playback and rendering, surely?
I don't know the details. Maybe some part of a render with VFW is limited to single threading. But I do know that when I render my complicated HDV project to CFDI (using this same VFW codec), both cores are pegged at 100%.

In Vegas 6 there is a "hidden setting" (hold down shift while selecting preferences from the menu) that says "enable multcore rendering for playback" that is off by default. I toggled this to on and it didn't seem to help. But this may be a moot point as soon as Vegas 7 comes out. Playback seems to be one of the biggest improvements advertised by Sony Madison Software for V7.
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