Hi Andrew, one small contribution:
> Winmm's timer functions use poll() with a timeout value, subtracting > the time elapsed curing the callback. This works quite well in dsound. > > The Win32 API also provides the SetTimer API. But that depends on a > message queue, which is a hassle I don't know if we want to bother > with in the drivers (plus, it may be no more reliable than the > TimerQueues). Using SetTimer is not the way you want to go. Its timing is unpredictable and its interface strange. I'd stay away from it. --Juan
