On Thu, Jun 16, 2005 at 05:59:09PM +0200, Florian Schmidt wrote: > On Thu, 16 Jun 2005 10:30:29 -0400 > Paul Davis <[EMAIL PROTECTED]> wrote: > > > true, but i take it you get the way CoreAudio is doing it: it means you > > can drive audio processing from a different interrupt source (e.g. > > system timer) because you have very accurate idea of the position of the > > h/w frame pointer. In CoreAudio, the "callback" is decoupled from any > > PCI, USB or ieee1394 interrupt. Tasty. > > The price for this is afaik an extra period worth of latency. I'm not > sure this is the way to go. Sure it makes handling of devices easier > that do not generate irq's like pci soundcards do (all this USB and > IEEE1394 stuff), but isn't the price too high?
Why should this take a extra period of latency ? -- FA
