static void setUniqueIdForMidiPort (MIDIObjectRef device, const String& portName, bool isInput)
{
String portUniqueId;
#if defined (JucePlugin_CFBundleIdentifier)
portUniqueId = JUCE_STRINGIFY (JucePlugin_CFBundleIdentifier);
#else
File appBundle (File::getSpecialLocation (File::currentApplicationFile));
CFURLRef bundleURL = CFURLCreateWithFileSystemPath (kCFAllocatorDefault, appBundle.getFullPathName().toCFString(), kCFURLPOSIXPathStyle, true);
if (bundleURL != nullptr)
{
CFBundleRef bundleRef = CFBundleCreate (kCFAllocatorDefault, bundleURL);
CFRelease (bundleURL);
if (bundleRef != nullptr)
{
if (auto bundleId = CFBundleGetIdentifier (bundleRef))
portUniqueId = String::fromCFString (bundleId);
CFRelease (bundleRef);
}
}
#endif
if (portUniqueId.isNotEmpty())
{
portUniqueId += (String ("." + portName + String (isInput ? ".input" : ".output")));
CHECK_ERROR (MIDIObjectSetStringProperty (device, kMIDIPropertyUniqueID, portUniqueId.toCFString()));
}
}
OSStatus USBMIDIDeviceManager::UseDeviceAndInterface(USBDevice * usbDevice,
USBInterface * usbInterface)
{
// Match the device that was just located with what is in the current state
MIDIDeviceRef midiDevice = NULL;
IOUSBDeviceInterface **devIntf = usbDevice->GetPluginInterface();
const IOUSBDeviceDescriptor *devDesc = usbDevice->GetDeviceDescriptor();
bool deviceInSetup = false;
UInt32 vendorProduct = ((UInt32)USBToHostWord(devDesc->idVendor) << 16) |
USBToHostWord(devDesc->idProduct);
CFStringRef serialNumber = usbDevice->GetString(devDesc->iSerialNumber);
OSStatus err;
UInt32 locationID;
require_noerr(err = (*devIntf)->GetLocationID(devIntf, &locationID), errexit);
{
// See if it's already in the setup
MIDIDeviceListRef curDevices = MIDIGetDriverDeviceList(mDriver->Self());
int nDevices = MIDIDeviceListGetNumberOfDevices(curDevices), firstPass, lastPass;
if (serialNumber == NULL) {
firstPass = 2;
lastPass = 3;
} else {
firstPass = 1;
lastPass = 1;
}
for (int pass = firstPass; pass <= lastPass && !deviceInSetup; ++pass) {
// pass 1: match by serial number if present (skipped if not)
// pass 2: match by locationID
// pass 3: match by order found
for (int iDevice = 0; iDevice < nDevices; ++iDevice) {
SInt32 prevLocation, prevVendorProduct, isOffline;
midiDevice = MIDIDeviceListGetDevice(curDevices, iDevice);
err = MIDIObjectGetIntegerProperty(midiDevice, kUSBVendorProductProperty,
&prevVendorProduct);
if (!err && UInt32(prevVendorProduct) == vendorProduct) {
switch (pass) {
case 1:
{
CFStringRef prevSerial;
err = MIDIObjectGetStringProperty(midiDevice, kSerialNumberProperty,
&prevSerial);
if (!err) {
if (CFEqual(prevSerial, serialNumber))
deviceInSetup = true;
CFRelease(prevSerial);
}
}
break;
case 2:
err = MIDIObjectGetIntegerProperty(midiDevice, kUSBLocationProperty,
&prevLocation);
if (!err && UInt32(prevLocation) == locationID)
deviceInSetup = true;
break;
case 3:
err = MIDIObjectGetIntegerProperty(midiDevice, kMIDIPropertyOffline,
&isOffline);
if (!err && isOffline)
deviceInSetup = true;
break;
}
}
if (deviceInSetup) break;
}
}
MIDIDeviceListDispose(curDevices);
}
if (!deviceInSetup) {
#if VERBOSE
printf("creating new device\n");
#endif
midiDevice = mDriver->CreateDevice(usbDevice, usbInterface);
require_noerr(err = MIDISetupAddDevice(midiDevice), errexit);
} else {
#if VERBOSE
printf("old device found\n");
#endif
mDriver->PreExistingDeviceFound(midiDevice, usbDevice, usbInterface);
}
// set device properties unconditionally
MIDIObjectSetIntegerProperty(midiDevice, kUSBVendorProductProperty, vendorProduct);
MIDIObjectSetIntegerProperty(midiDevice, kUSBLocationProperty, locationID);
if (serialNumber != NULL)
MIDIObjectSetStringProperty(midiDevice, kSerialNumberProperty, serialNumber);
// Create a USBMIDIDevice (or subclass), starting it for I/O
{
USBMIDIDevice *ioDev = mDriver->CreateUSBMIDIDevice(usbDevice, usbInterface, midiDevice);
if (ioDev == NULL) goto errexit;
if (!ioDev->Initialize())
delete ioDev;
else {
if (mUSBMIDIDeviceList.size() == 0)
mUSBMIDIDeviceList.reserve(4);
mUSBMIDIDeviceList.push_back(ioDev);
MIDIObjectSetIntegerProperty(midiDevice, kMIDIPropertyOffline, false);
}
}
errexit:
if (serialNumber != NULL)
CFRelease(serialNumber);
return err;
}
