streamSinkBufferUnderrunCount
A property key for the buffer underrun count.
Declaration
static let streamSinkBufferUnderrunCount: CMIOExtensionPropertyDiscussion
The system updates this value every time you don’t service a stream’s buffer fast enough.
The property state for property is a number with a read-only attribute. The value of this property matches the value of the kCMIOStreamPropertyOutputBufferUnderrunCount property.