kind of MIDI output

src/audio/abstract.cpp

@@ -61,6 +61,10 @@ bool TAMidiIn::gather() {
   return false;
 }
 
+bool TAMidiOut::send(const TAMidiMessage& what) {
+  return false;
+}
+
 bool TAMidiIn::isDeviceOpen() {
   return false;
 }

src/audio/rtmidi.cpp

@@ -19,6 +19,7 @@
 
 #include "rtmidi.h"
 #include "../ta-log.h"
+#include "taAudio.h"
 
 // --- IN ---
 
@@ -77,6 +78,7 @@ bool TAMidiInRtMidi::openDevice(String name) {
       }
     }
     isOpen=portOpen;
+    if (!portOpen) logW("could not find MIDI in device...\n");
     return portOpen;
   } catch (RtMidiError& e) {
     logW("could not open MIDI in device! %s\n",e.what());
@@ -120,9 +122,40 @@ bool TAMidiInRtMidi::quit() {
 
 // --- OUT ---
 
-bool TAMidiOutRtMidi::send(TAMidiMessage& what) {
-  // TODO
-  return false;
+bool TAMidiOutRtMidi::send(const TAMidiMessage& what) {
+  if (!isOpen) return false;
+  if (what.type<0x80) return false;
+  size_t len=0;
+  switch (what.type&0xf0) {
+    case TA_MIDI_NOTE_OFF:
+    case TA_MIDI_NOTE_ON:
+    case TA_MIDI_AFTERTOUCH:
+    case TA_MIDI_CONTROL:
+    case TA_MIDI_PITCH_BEND:
+      len=3;
+      break;
+    case TA_MIDI_PROGRAM:
+    case TA_MIDI_CHANNEL_AFTERTOUCH:
+      len=2;
+      break;
+  }
+  if (len==0) switch (what.type) {
+    case TA_MIDI_SYSEX: // currently not supported :<
+      return false;
+      break;
+    case TA_MIDI_MTC_FRAME:
+    case TA_MIDI_SONG_SELECT:
+      len=2;
+      break;
+    case TA_MIDI_POSITION:
+      len=3;
+      break;
+    default:
+      len=1;
+      break;
+  }
+  port->sendMessage((const unsigned char*)&what.type,len);
+  return true;
 }
 
 bool TAMidiOutRtMidi::isDeviceOpen() {
@@ -143,6 +176,7 @@ bool TAMidiOutRtMidi::openDevice(String name) {
       }
     }
     isOpen=portOpen;
+    if (!portOpen) logW("could not find MIDI out device...\n");
     return portOpen;
   } catch (RtMidiError& e) {
     logW("could not open MIDI out device! %s\n",e.what());

src/audio/rtmidi.h

@@ -40,7 +40,7 @@ class TAMidiOutRtMidi: public TAMidiOut {
   RtMidiOut* port;
   bool isOpen;
   public:
-    bool send(TAMidiMessage& what);
+    bool send(const TAMidiMessage& what);
     bool isDeviceOpen();
     bool openDevice(String name);
     bool closeDevice();

src/audio/taAudio.h

@@ -99,6 +99,16 @@ struct TAMidiMessage {
   void submitSysEx(std::vector<unsigned char> data);
   void done();
 
+  TAMidiMessage(unsigned char t, unsigned char d0, unsigned char d1):
+    time(0.0),
+    type(t),
+    sysExData(NULL),
+    sysExLen(0) {
+    memset(&data,0,sizeof(data));
+    data[0]=d0;
+    data[1]=d1;
+  }
+
   TAMidiMessage():
     time(0.0),
     type(0),
@@ -127,7 +137,7 @@ class TAMidiIn {
 class TAMidiOut {
   std::queue<TAMidiMessage> queue;
   public:
-    bool send(TAMidiMessage& what);
+    virtual bool send(const TAMidiMessage& what);
     virtual bool isDeviceOpen();
     virtual bool openDevice(String name);
     virtual bool closeDevice();