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Computing latency
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Computing latency

  • Subject: Computing latency
  • From: Josh Anon <email@hidden>
  • Date: Mon, 23 Feb 2004 15:04:15 -0800
Hi,
This is slightly related to what Philippe just posted (Changing the latency from within the render callback), but I'm wondering about computing latency.

Are device and stream latencies constant, or might they change periodically? Specifically, can I just compute it once in my configure routine, or do I need to compute it and then register a callback for if that param changes?

I also can't find any documentation on a stream latency property, but people have mentioned using AudioStreamGetProperty to get it. Do you pass in kAudioDevicePropertyLatency to AudioStreamGetProperty, or is there some undocumented property that I should ask for?

Thanks,
Josh

---
Josh Anon
Studio Tools, Pixar Animation Studios
email@hidden
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