Re: NSMovieView -> QTMovieView; rate problems...
Re: NSMovieView -> QTMovieView; rate problems...
- Subject: Re: NSMovieView -> QTMovieView; rate problems...
- From: "James W. Walker" <email@hidden>
- Date: Sat, 22 May 2010 15:42:32 -0700
On May 22, 2010, at 1:26 PM, Matthew Weinstein wrote:
> One important aspect of my app is teh ability to speed and slow audio (and video playback). On the old NSMovieview this worked like an analog tape machine: if you used NSMovieview setRate: it would slow the sound down smoothly but make it lower; which is fine. Under the new regime, the audio playback using [[QTMovieview movie] setRate: (float)] you get VERY choppy sound and no variation in tone. I don't actually care about the variation in tone, I care a lot about the smoothness of the sound. Is there any way to get smooth audio while changing the rate to r != 1?
Maybe you could try setting QTMovieRateChangesPreservePitchAttribute to NO when you initialize the QTMovie.
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