On 13 Mar 2006, at 17:13, Trevor DeVore wrote:

On Mar 13, 2006, at 8:31 AM, Ian Wood wrote:

2.7.1 !?!

I just had a look at a QTVR file - zooming in and out was quite jerky, in fact the performance was appalling overall, frame rates must have been in single figures on a dual G5. On the other hand, simply showing a QTVR file is no longer using 100% of a processor...

This is a result of the Rev transition to the newer QuickTime APIs that report how often an application needs to idle QuickTime movies. How often you idle a QTVR determines how smooth the playback is. It should be fixed in the 2.7.1 release but for the time being you can reduce the idleRate property to something like 10 and see really smooth playback.

Bingo! Thanks Trevor. Although I did notice some odd effects with resting CPU-usage with different idleRates:
16 or lower - 90-100%
17 - 4-8%
18-19 - 9-12%
20 - 30%
over 20 it ramps down again
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