Volume property is unknown
Volume property is unknown
- Subject: Volume property is unknown
- From: Bob Peterson <email@hidden>
- Date: Fri, 13 Jul 2001 10:26:14 -0400
I call AudioGetDeviceProperty to get kAudioDevicePropertyVolumeScalar
from my iBook SE's sole output device, "Built-in audio controller". No
matter what channel I use (0, 1, 2) is get status "Unknown property".
How can that be?
I have glanced at the HALRoutines.c file of the sample Daisy, but it
doesn't clue me. Daisy certainly shows volume sliders (though I can't
tell if they work since I can't find an AIFF file it will load).