CoreMIDI iOS 10.3 to 11.0 API Differences

MIDIDriver.h

Modified MIDIDeviceCreate()

	Declaration
From	OSStatus MIDIDeviceCreate(MIDIDriverRef owner, CFStringRef name, CFStringRef manufacturer, CFStringRef model, MIDIDeviceRef *outDevice)
To	OSStatus MIDIDeviceCreate(MIDIDriverRef _Nullable owner, CFStringRef _Nonnull name, CFStringRef _Nonnull manufacturer, CFStringRef _Nonnull model, MIDIDeviceRef * _Nonnull outDevice)

Modified MIDIEndpointSetRefCons()

	Declaration
From	OSStatus MIDIEndpointSetRefCons(MIDIEndpointRef endpt, void ref1, void ref2)
To	OSStatus MIDIEndpointSetRefCons(MIDIEndpointRef endpt, void * _Nullable ref1, void * _Nullable ref2)

Modified MIDIEndpointGetRefCons()

	Declaration
From	OSStatus MIDIEndpointGetRefCons(MIDIEndpointRef endpt, void ref1, void ref2)
To	OSStatus MIDIEndpointGetRefCons(MIDIEndpointRef endpt, void * _Nonnull * _Nullable ref1, void * _Nonnull * _Nullable ref2)

Modified MIDIGetDriverIORunLoop()

	Declaration
From	CFRunLoopRef MIDIGetDriverIORunLoop(void)
To	CFRunLoopRef _Nonnull MIDIGetDriverIORunLoop(void)

Modified MIDIGetDriverDeviceList()

	Declaration
From	MIDIDeviceListRef MIDIGetDriverDeviceList(MIDIDriverRef driver)
To	MIDIDeviceListRef MIDIGetDriverDeviceList(MIDIDriverRef _Nonnull driver)

MIDIServices.h

Modified MIDIGetNumberOfDevices()

	Declaration
From	ItemCount MIDIGetNumberOfDevices(void)
To	ItemCount MIDIGetNumberOfDevices(void)

Modified MIDIGetNumberOfSources()

	Declaration
From	ItemCount MIDIGetNumberOfSources(void)
To	ItemCount MIDIGetNumberOfSources(void)

Modified MIDIGetNumberOfDestinations()

	Declaration
From	ItemCount MIDIGetNumberOfDestinations(void)
To	ItemCount MIDIGetNumberOfDestinations(void)

Modified MIDIGetNumberOfExternalDevices()

	Declaration
From	ItemCount MIDIGetNumberOfExternalDevices(void)
To	ItemCount MIDIGetNumberOfExternalDevices(void)

Modified MIDIRestart()

	Declaration
From	OSStatus MIDIRestart(void)
To	OSStatus MIDIRestart(void)