Re: QTMovie quality
Re: QTMovie quality
- Subject: Re: QTMovie quality
- From: William Stewart <email@hidden>
- Date: Wed, 13 Aug 2008 12:13:47 -0700
Yes, there is - but I'm not exactly sure what API you use to do that -
the QT API list should be able to help
On Aug 13, 2008, at 11:10 AM, Todd Stanley wrote:
Hello All,
I'm trying to use QTMovie for sound replay in an application where I
need to be able to change the rate of replay. The problem is that
when play is slowed down the sound has a distinct echo, which isn't
accaptable in my application. I have programmed the same function
with CoreAudio using the TimePitch format converter. The sound is
identical to what I get with QTMovie if the render quality is set to
'minimum', but sounds good if render quality is set to maximum. I'm
guessing that QTMovie, CoreAudio and QuickTime are all sharing the
routines to do the TimePitch shift. My question is this: Is there
a way to get the QuickTime movie from QTMovie and set some setting
equivalent to render quality to make QTMovie have better sound
output - like CoreAudio?
Thanks,
Todd
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