static String getConnectedEndpointName (MIDIEndpointRef endpoint)
{
String result;
// Does the endpoint have connections?
CFDataRef connections = nullptr;
int numConnections = 0;
MIDIObjectGetDataProperty (endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != nullptr)
{
numConnections = ((int) CFDataGetLength (connections)) / (int) sizeof (MIDIUniqueID);
if (numConnections > 0)
{
const SInt32* pid = reinterpret_cast<const SInt32*> (CFDataGetBytePtr (connections));
for (int i = 0; i < numConnections; ++i, ++pid)
{
MIDIUniqueID uid = (MIDIUniqueID) ByteOrder::swapIfLittleEndian ((uint32) *pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
OSStatus err = MIDIObjectFindByUniqueID (uid, &connObject, &connObjectType);
if (err == noErr)
{
String s;
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination)
{
// Connected to an external device's endpoint (10.3 and later).
s = getEndpointName (static_cast<MIDIEndpointRef> (connObject), true);
}
else
{
// Connected to an external device (10.2) (or something else, catch-all)
s = getMidiObjectName (connObject);
}
if (s.isNotEmpty())
{
if (result.isNotEmpty())
result += ", ";
result += s;
}
}
}
}
CFRelease (connections);
}
if (result.isEmpty()) // Here, either the endpoint had no connections, or we failed to obtain names for them.
result = getEndpointName (endpoint, false);
return result;
}
// Obtain the name of an endpoint, following connections.
// The result should be released by the caller.
static CFStringRef ConnectedEndpointName(MIDIEndpointRef endpoint) {
CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
CFStringRef str;
OSStatus err;
// Does the endpoint have connections?
CFDataRef connections = NULL;
int nConnected = 0;
bool anyStrings = false;
err = MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != NULL) {
// It has connections, follow them
// Concatenate the names of all connected devices
nConnected = CFDataGetLength(connections) / sizeof(MIDIUniqueID);
if (nConnected) {
const SInt32 *pid = reinterpret_cast <const SInt32 *>(CFDataGetBytePtr(connections));
for (int i = 0; i < nConnected; ++i, ++pid) {
MIDIUniqueID id = EndianS32_BtoN(*pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
if (err == noErr) {
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination) {
// Connected to an external device's endpoint (10.3 and later).
str = EndpointName(static_cast <MIDIEndpointRef>(connObject), true);
}
else {
// Connected to an external device (10.2) (or something else, catch-all)
str = NULL;
MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
}
if (str != NULL) {
if (anyStrings)
CFStringAppend(result, CFSTR(", "));
else anyStrings = true;
CFStringAppend(result, str);
CFRelease(str);
}
}
}
}
CFRelease(connections);
}
if (anyStrings)
return result;
// Here, either the endpoint had no connections, or we failed to obtain names for any of them.
return EndpointName(endpoint, false);
}
void CAMIDIEndpoints::AddEndpoints(MIDIEndpointRef endpoint, EndpointList &eplist) {
Endpoint *ep, *prev;
OSStatus err;
CFStringRef str;
// Add the driver-owned endpoint
ep = new Endpoint(endpoint, EndpointName(endpoint, false), NULL);
eplist.push_back(ep);
prev = ep;
// Does the endpoint have connections?
CFDataRef connections = NULL;
int nConnected = 0;
MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != NULL) {
// It has connections, follow them
nConnected = CFDataGetLength(connections) / sizeof(MIDIUniqueID);
if (nConnected) {
const SInt32 *pid = reinterpret_cast <const SInt32 *>(CFDataGetBytePtr(connections));
for (int i = 0; i < nConnected; ++i, ++pid) {
MIDIUniqueID id = 0;//EndianS32_BtoN(*pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
if (err == noErr) {
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination) {
// Connected to an external device's endpoint (10.3 and later).
str = EndpointName(static_cast <MIDIEndpointRef>(connObject), true);
}
else {
// Connected to an external device (10.2) (or something else, catch-all)
str = NULL;
MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
}
if (str != NULL) {
ep = new Endpoint(endpoint, str, connObject);
eplist.push_back(ep);
prev->SetNext(ep);
prev = ep;
}
}
}
}
}
}
const String getConnectedEndpointName (MIDIEndpointRef endpoint)
{
String result;
// Does the endpoint have connections?
CFDataRef connections = 0;
int numConnections = 0;
MIDIObjectGetDataProperty (endpoint, kMIDIPropertyConnectionUniqueID, &connections);
if (connections != 0)
{
numConnections = (int) (CFDataGetLength (connections) / sizeof (MIDIUniqueID));
if (numConnections > 0)
{
const SInt32* pid = reinterpret_cast <const SInt32*> (CFDataGetBytePtr (connections));
for (int i = 0; i < numConnections; ++i, ++pid)
{
MIDIUniqueID uid = EndianS32_BtoN (*pid);
MIDIObjectRef connObject;
MIDIObjectType connObjectType;
OSStatus err = MIDIObjectFindByUniqueID (uid, &connObject, &connObjectType);
if (err == noErr)
{
String s;
if (connObjectType == kMIDIObjectType_ExternalSource
|| connObjectType == kMIDIObjectType_ExternalDestination)
{
// Connected to an external device's endpoint (10.3 and later).
s = getEndpointName (static_cast <MIDIEndpointRef> (connObject), true);
}
else
{
// Connected to an external device (10.2) (or something else, catch-all)
CFStringRef str = 0;
MIDIObjectGetStringProperty (connObject, kMIDIPropertyName, &str);
if (str != 0)
{
s = PlatformUtilities::cfStringToJuceString (str);
CFRelease (str);
}
}
if (s.isNotEmpty())
{
if (result.isNotEmpty())
result += ", ";
result += s;
}
}
}
}
CFRelease (connections);
}
if (result.isNotEmpty())
return result;
// Here, either the endpoint had no connections, or we failed to obtain names for any of them.
return getEndpointName (endpoint, false);
}
