AudioHardwareServiceGetPropertyDataSize(_:_:_:_:_:)

Declaration

func AudioHardwareServiceGetPropertyDataSize(_ inObjectID: AudioObjectID, _ inAddress: UnsafePointer<AudioObjectPropertyAddress>!, _ inQualifierDataSize: UInt32, _ inQualifierData: UnsafeRawPointer!, _ outDataSize: UnsafeMutablePointer<UInt32>!) -> OSStatus

Parameters

• inObjectID:

  The HAL audio object to query.

• inAddress:

  The property whose payload size you want.

• inQualifierDataSize:

  A UInt32 value indicating the size of the buffer pointed to by the inQualifierData parameter. Not all properties require qualification; in such a case you set this parameter to 0.

• inQualifierData:

  A buffer of data to be used in determining the value of the property being queried. Not all properties require qualification; in such a case you set this parameter to NULL.

• outDataSize:

  A UInt32 value indicating the size, in bytes, of the payload for the given property.

Return Value

A result code.

See Also

Related Documentation

• AudioHardwareServiceGetPropertyData(_:_:_:_:_:_:)

Functions

• AudioFileReadPackets(_:_:_:_:_:_:_:)
• AudioComponentGetIcon(_:_:)
• AudioComponentGetLastActiveTime(_:)
• AudioHardwareServiceAddPropertyListener(_:_:_:_:)
• AudioHardwareServiceGetPropertyData(_:_:_:_:_:_:)
• AudioHardwareServiceHasProperty(_:_:)
• AudioHardwareServiceIsPropertySettable(_:_:_:)
• AudioHardwareServiceRemovePropertyListener(_:_:_:_:)
• AudioHardwareServiceSetPropertyData(_:_:_:_:_:_:)
• AudioOutputUnitGetHostIcon(_:_:)
• AudioOutputUnitPublish(_:_:_:_:)
• AudioSessionAddPropertyListener(_:_:_:)
• AudioSessionGetProperty(_:_:_:)
• AudioSessionGetPropertySize(_:_:)
• AudioSessionInitialize(_:_:_:_:)