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Mapping from AudiodeviceID to kIOUSBDeviceInterfaceID
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Mapping from AudiodeviceID to kIOUSBDeviceInterfaceID

  • Subject: Mapping from AudiodeviceID to kIOUSBDeviceInterfaceID
  • From: Henrik Astrom <email@hidden>
  • Date: Thu, 23 Jul 2009 12:20:20 +0200
Hello,
I want to find the product ID and vendor ID of the used USB audio device. These parameters are available through IOUSBLib.h IOUSBDeviceInterface:: GetDeviceVendor(...) and GetDeviceProduct(...). Working with the device from CoreAudio I know which AudiodeviceID my device has and can through kAudioDevicePropertyTransportType see which ones are on USB, but how do I map a device from a AudiodeviceID to kIOUSBDeviceInterfaceID device interface to get these USB specific values?
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