kAudioDevicePropertyDeviceIsAlive property
kAudioDevicePropertyDeviceIsAlive property
- Subject: kAudioDevicePropertyDeviceIsAlive property
- From: Jesus Vicente <email@hidden>
- Date: Mon, 23 Aug 2010 10:11:22 +0200 (CEST)
Hi all,
I recently substituted the functions labelled as deprecated in the HAL APIs. In general I got the same functionality for all the new functions, however I am having some problems in receiving notification when the device properties change.
Basically, I substituted the function for listening the change in properties, AudioDeviceAddPropertyListener, by the new one AudioObjectAddPropertyListener. The change was successful for the majority of the properties (like kAudioDevicePropertyVolumeScalar, kAudioDevicePropertyStreamFormat, ...) but it did not work for the property kAudioDevicePropertyDeviceIsAlive. Therefore, my program did not receive notifications when I unplugged a device. Does anyone find a similar problem?
Thanks in advance,
Jesus
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