timers in AudioHardwarePlugin
timers in AudioHardwarePlugin
- Subject: timers in AudioHardwarePlugin
- From: Stefan Werner <email@hidden>
- Date: Sun, 3 Aug 2003 14:38:05 +0200
Hi,
I am currently working on a user space audio driver, using the
AudioHardwarePlugin.h API. What I have working for now is a plugin that
reports itself to the system and answers most DeviceGetProperty() and
StreamGetProperty() requests. It's working good enough that programs
like Ableton Live detect and initialize my driver.
What I am working on right now is calling the clients'
AudioDeviceIOProc() functions, and this is where I'm stuck right now.
How do I get accurate timers as an AudioHardwarePlugin? Not being
derived from IOAudioEngine.h, my driver cannot use IOKit to get
timestamps and interrupts. What is the best way to get accurate timers
in user space?
Thanks,
Stefan
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