RE: ExtAudioFileRead() Long Lag On First Call
RE: ExtAudioFileRead() Long Lag On First Call
- Subject: RE: ExtAudioFileRead() Long Lag On First Call
- From: "Puhl, Scott" <email@hidden>
- Date: Wed, 28 Feb 2007 23:06:20 -0600
- Thread-topic: Re: ExtAudioFileRead() Long Lag On First Call
Title: RE: ExtAudioFileRead() Long Lag On First Call
I am trying to use an ExtAudioFile object within an AU Generator. The ExtAudioFile object is managed by the Audio Unit, but it is decoupled from the Generate() call by a production thread.
The example project I posted is a simplification of this.
I should also note that running my example again I'm getting better results. I'm not sure what changed (I had closed and reopened XCode), but now the lag is between 0.4 and 2.0 seconds on the first call to ExtAudioFileRead().
Again, the lag increases as I add simultaneous access the the physical file.
-Scott
-----Original Message-----
Subject: Re: ExtAudioFileRead() Long Lag On First Call
From: William Stewart <email@hidden>
Date: Wed, 28 Feb 2007 20:37:18 -0800
Ah.. I'm not sure I understand what you are saying here. AUBase::GetStreamFormat is a method on a C++ object used to implement audio units. Are you trying to use an ExtAudioFile object within an AudioUnit? (Just trying to understand the context of you calls here)
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