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kAudioDevicePropertyVolumeScalar - newbie
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kAudioDevicePropertyVolumeScalar - newbie


  • Subject: kAudioDevicePropertyVolumeScalar - newbie
  • From: Berend Schmid <email@hidden>
  • Date: Fri, 28 Nov 2003 15:28:38 +0100

When I query the kAudioDevicePropertyVolumeScalar for channel 1 or 2 or
whatever I get a useable result but
when querying the kAudioDevicePropertyVolumeScalar for the master
channel 0 i always get a 0 result.

Any ideas what could be wrong?

This works:

AudioDeviceGetProperty(deviceID, 2, FALSE,
kAudioDevicePropertyVolumeScalar, &dataSize, &volume);

This doesn't work:

AudioDeviceGetProperty(deviceID, 0, FALSE,
kAudioDevicePropertyVolumeScalar, &dataSize, &volume);

thanks
Berend
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