earliest MIDI input! (no note input tho)

src/audio/abstract.cpp

@@ -55,4 +55,62 @@ bool TAAudio::init(TAAudioDesc& request, TAAudioDesc& response) {
 }
 
 TAAudio::~TAAudio() {
+}
+
+bool TAMidiIn::gather() {
+  return false;
+}
+
+bool TAMidiIn::isDeviceOpen() {
+  return false;
+}
+
+bool TAMidiOut::isDeviceOpen() {
+  return false;
+}
+
+bool TAMidiIn::openDevice(String name) {
+  return false;
+}
+
+bool TAMidiOut::openDevice(String name) {
+  return false;
+}
+
+bool TAMidiIn::closeDevice() {
+  return false;
+}
+
+bool TAMidiOut::closeDevice() {
+  return false;
+}
+
+std::vector<String> TAMidiIn::listDevices() {
+  return std::vector<String>();
+}
+
+std::vector<String> TAMidiOut::listDevices() {
+  return std::vector<String>();
+}
+
+bool TAMidiIn::init() {
+  return false;
+}
+
+bool TAMidiOut::init() {
+  return false;
+}
+
+bool TAMidiIn::quit() {
+  return true;
+}
+
+bool TAMidiOut::quit() {
+  return true;
+}
+
+TAMidiIn::~TAMidiIn() {
+}
+
+TAMidiOut::~TAMidiOut() {
 }