Changeset 776

Timestamp:

02/08/09 17:41:34 (4 years ago)

Author:

cmennie@…

Message:

Possible midi out support added to CoreMIDI stuff. Having never seen CoreMIDI
before, nor ever owning a mac, I'm just guessing at this point.

Location:

branches/midi_out/libs/hydrogen

Files:

• include/hydrogen/IO/CoreMidiDriver.h (modified) (3 diffs)
• src/IO/coremidi_driver.cpp (modified) (4 diffs)

branches/midi_out/libs/hydrogen/include/hydrogen/IO/CoreMidiDriver.h

@@ -33 +33 @@
 #include <CoreMidi/CoreMidi.h>
 #include <hydrogen/IO/MidiInput.h>
+#include <hydrogen/IO/MidiOutput.h>
 
 namespace H2Core
@@ -49 +50 @@
         virtual std::vector<QString> getOutputPortList();
         
-        virtual void handleQueueNote(Note* pNote) {}
-        virtual void handleQueueAllNoteOff() {}
+        virtual void handleQueueNote(Note* pNote);
+        virtual void handleQueueAllNoteOff();
 
         MIDIClientRef  h2MIDIClient;
@@ -57 +58 @@
 
         MIDIPortRef h2InputRef;
+        MIDIPortRef h2OutputRef;
+        MIDIEndpointRef cmH2Dst;
 
 };

branches/midi_out/libs/hydrogen/src/IO/coremidi_driver.cpp

@@ -103 +103 @@
         err = MIDIClientCreate ( CFSTR( "h2MIDIClient" ), NULL, NULL, &h2MIDIClient );
         err = MIDIInputPortCreate ( h2MIDIClient, CFSTR( "h2InputPort" ), midiProc, this, &h2InputRef );
+        err = MIDIOutputPortCreate ( h2MIDIClient, CFSTR( "h2OutputPort" ), midiProc, this, &h2OutputRef );
 }
 
@@ -144 +145 @@
                 CFRelease ( H2MidiNames );
         }
+        
+        int n = MIDIGetNumberOfDestinations();
+        if (n > 0) {
+                cmH2Dst = MIDIGetDestination(0);
+        }
+
+        if (cmH2Dst != NULL) {
+                CFStringRef H2MidiNames;
+                
+                MIDIObjectGetStringProperty(cmH2Dst, kMIDIPropertyName, &H2MidiNames);
+                CFStringGetCString(pname, name, sizeof(name), 0);
+                //MIDIPortConnectSource ( h2OutputRef, cmH2Dst, NULL );
+                CFRelease( H2MidiNames );
+        }
 }
 
@@ -153 +168 @@
         err = MIDIPortDisconnectSource( h2InputRef, cmH2Src );
         err = MIDIPortDispose( h2InputRef );
+        //err = MIDIPortDisconnectSource( h2OutputRef, cmH2Dst );
+        err = MIDIPortDispose( h2OutputRef );
         err = MIDIClientDispose( h2MIDIClient );
 }
@@ -186 +203 @@
                 CFRelease( H2MidiNames );
         }
+                
         return cmPortList;
+}
+
+void CoreMidiDriver::handleQueueNote(Note* pNote)
+{       
+        if (cmH2Dst == NULL ) {
+                ERRORLOG( "cmH2Dst = NULL " );
+                return;
+        }
+
+        int channel = pNote->get_instrument()->get_midi_out_channel();
+        if (channel < 0) {
+                return;
+        }
+                
+        int key = pNote->get_instrument()->get_midi_out_note();
+        int velocity = pNote->get_velocity() * 127;
+        
+        MIDIPacketList packetList;
+        packetList.numPackets = 1;
+        
+        packetList.packet.timeStamp = 0;
+        packetList.packet.length = 3;
+        packetList.packet.data[0] = 0x80 | channel;
+        packetList.packet.data[1] = key;
+        packetList.packet.data[2] = velocity;
+        
+        
+        MIDISend(h2OutputRef, cmH2Dst, &packetList);
+        
+        packetList.packet.data[0] = 0x90 | channel;
+        packetList.packet.data[1] = key;
+        packetList.packet.data[2] = velocity;
+        
+        MIDISend(h2OutputRef, cmH2Dst, &packetList);
+}
+
+void CoreMidiDriver::handleQueueAllNoteOff()
+{
+        if (cmH2Dst == NULL ) {
+                ERRORLOG( "cmH2Dst = NULL " );
+                return;
+        }
+        
+        InstrumentList *instList = Hydrogen::get_instance()->getSong()->get_instrument_list();
+                
+        unsigned int numInstruments = instList->get_size();
+        for (int index = 0; index < numInstruments; ++index) {
+                Instrument *curInst = instList->get(index);
+        
+                int channel = curInst->get_midi_out_channel();
+                if (channel < 0) {
+                        continue;
+                }
+                int key = curInst->get_midi_out_note();
+        
+                MIDIPacketList packetList;
+                packetList.numPackets = 1;
+        
+                packetList.packet.timeStamp = 0;
+                packetList.packet.length = 3;
+                packetList.packet.data[0] = 0x80 | channel;
+                packetList.packet.data[1] = key;
+                packetList.packet.data[2] = 0;  
+        
+                MIDISend(h2OutputRef, cmH2Dst, &packetList);
+        
+        }
 }