Is there any way to tell if a USB sound card has been disconnected or not?
I would like my application to play sound to a usb sound card, and if the usb cable is unplugged, the application pauses, and if the usb cable is plugged in again, the application continues.
Example: -
Some in car stereo systems have usb ports.
I could plug a PC into the usb port, and play sound from the PC to the car speaker system. If the driver switches off the car stereo (e.g. Receives a mobile phone call) I want the PC to pause playback, but when the car stereo switches on again, I want the PC to continue playback.
The car stereo switching off looks to the PC as though the usb cable has been unplugged.
Cheers James
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