Return error for default device if it's `kAudioObjectUnknown`

mozilla / cubeb-coreaudio-rs

The audio backend of Firefox on Mac OS X.

ISC License

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Return error for default device if it's `kAudioObjectUnknown` #167

Closed ChunMinChang closed 2 years ago

ChunMinChang commented 2 years ago

Return error for default device if it's kAudioObjectUnknown

The default output device on Circle CI server is kAudioObjectUnknown. We should return error if we get this kind of device since all its operations will be invalid.