diff src/testApp.cpp @ 0:b299a65a3ad0

start project

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/testApp.cpp	Tue Aug 16 11:29:59 2011 +0100
@@ -0,0 +1,424 @@
+#include "testApp.h"
+
+//--------------------------------------------------------------
+void testApp::setup(){
+	midiFileName = "../../../data/entertainer.mid";
+	int retVal = cannamMainFunction();
+	
+	playing = false;
+	/*
+	 bayesStruct.resetSize(1000);
+	 bayesStruct.resetSpeedSize(200);
+	 bayesStruct.setRelativeSpeedScalar(0.01);
+	 bayesStruct.simpleExample();
+	 */
+	
+	receiver.setup( PORT );
+	
+	screenWidth = ofGetWidth();
+	screenHeight = ofGetHeight();
+	midiEvents.screenWidth = &screenWidth;
+	midiEvents.screenHeight = &screenHeight;
+	ofSetFrameRate(100);
+}
+
+//--------------------------------------------------------------
+void testApp::update(){
+	if (playing){
+		midiEvents.updatePlayPosition();
+		midiEvents.bayesStruct.updateBestEstimate();
+	}
+//	drawer.tickLocation+=20;
+	
+	// check for waiting messages
+	while( receiver.hasWaitingMessages() )
+	{
+		ofxOscMessage m;
+		receiver.getNextMessage( &m );
+		
+		if ( m.getAddress() == "/midinoteon" )
+		{
+			int newMidiOnPitch = m.getArgAsInt32(0);
+			int velocity = m.getArgAsInt32(1);
+			double time = m.getArgAsFloat(2);
+			
+			if (velocity != 0)
+			midiEvents.newNoteOnEvent(newMidiOnPitch, velocity, time);
+
+		}
+		
+		if ( m.getAddress() == "/startplaying" )
+		{
+			startPlaying();
+		}
+		
+		if ( m.getAddress() == "/stopplaying" )
+		{
+			stopPlaying();
+		}
+	}//end while osc
+	
+}
+
+//--------------------------------------------------------------
+void testApp::draw(){
+
+	midiEvents.drawFile();
+	
+}
+
+//--------------------------------------------------------------
+void testApp::keyPressed(int key){
+
+	
+	if (key == ' '){
+		startPlaying();
+	}
+	
+	if (key == 'c'){
+		double timenow = ofGetElapsedTimeMillis();
+		midiEvents.exampleCrossUpdate();
+		timenow *= -1;
+		timenow += ofGetElapsedTimeMillis();
+		printf("CROSS UPDATE TOOK %f", timenow);
+	}
+	
+	if (key == OF_KEY_RETURN)
+		stopPlaying();
+	
+	if (key == OF_KEY_UP){
+		if (midiEvents.ticksPerScreen >= 4000)
+		midiEvents.ticksPerScreen += 2000;
+		else 
+			midiEvents.ticksPerScreen += 500;
+	}
+	
+	if (key == 'm'){
+//		midiEvents.findMatch(84, 0, 10000);
+	}
+	
+	if (key == OF_KEY_DOWN){
+		if (midiEvents.ticksPerScreen >= 4000)
+		midiEvents.ticksPerScreen -= 2000;
+	else if (midiEvents.ticksPerScreen > 500)
+		midiEvents.ticksPerScreen -= 500;
+	}
+	
+	if (key == 'w')
+		midiEvents.printMatchMatrix();
+	
+	if (key == 'p'){
+		midiEvents.printNotes();
+	}
+
+	if (key == 'l')
+		midiEvents.bayesStruct.decaySpeedDistribution(100);
+	
+	if (key == 'o'){
+		//open audio file
+		string *filePtr;
+		filePtr = &midiFileName;	
+		
+		if (getFilenameFromDialogBox(filePtr)){
+			printf("Midifile: Loaded name okay :\n'%s' \n", midiFileName.c_str());	
+			cannamMainFunction();
+		}
+	
+	}
+}
+
+//--------------------------------------------------------------
+void testApp::keyReleased(int key){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseMoved(int x, int y ){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseDragged(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mousePressed(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseReleased(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::windowResized(int w, int h){
+	screenWidth = w;
+	screenHeight = h;
+	midiEvents.noteHeight = screenHeight / (float)(midiEvents.noteMaximum - midiEvents.noteMinimum);
+	
+}
+
+
+
+void testApp::startPlaying(){
+	playing = !playing;
+	midiEvents.reset();
+	midiEvents.setStartPlayingTimes();
+	//this is where we stop and start playing
+}
+
+void testApp::stopPlaying(){
+	playing = false;
+}
+
+bool testApp::getFilenameFromDialogBox(string* fileNameToSave){
+	//this uses a pointer structure within the loader and returns true if the dialogue box was used successfully
+	// first, create a string that will hold the URL
+	string URL;
+	
+	// openFile(string& URL) returns 1 if a file was picked
+	// returns 0 when something went wrong or the user pressed 'cancel'
+	int response = ofxFileDialogOSX::openFile(URL);
+	if(response){
+		// now you can use the URL 
+		*fileNameToSave = URL;
+		//printf("\n filename is %s \n", soundFileName.c_str());
+		return true;
+	}
+	else {
+		//	soundFileName = "OPEN canceled. ";
+		printf("\n open file cancelled \n");
+		return false;
+	}
+	
+	
+	
+}
+
+
+
+
+int testApp::cannamMainFunction(){
+
+
+	midiEvents.recordedNoteOnMatrix.clear();//where we store the note ons
+	
+	//int main(int argc, char **argv)
+	//{
+	//	if (argc != 2) {
+	//		cerr << "Usage: midifile <file.mid>" << endl;
+	//		return 1;
+	//	}
+		
+	std::string filename = midiFileName;//argv[1];
+		
+		MIDIFileReader fr(filename);
+		if (!fr.isOK()) {
+			std::cerr << "Error: " << fr.getError().c_str() << std::endl;
+			return 1;
+		}
+		
+		MIDIComposition c = fr.load();
+		
+		switch (fr.getFormat()) {
+			case MIDI_SINGLE_TRACK_FILE: cout << "Format: MIDI Single Track File" << endl; break;
+			case MIDI_SIMULTANEOUS_TRACK_FILE: cout << "Format: MIDI Simultaneous Track File" << endl; break;
+			case MIDI_SEQUENTIAL_TRACK_FILE: cout << "Format: MIDI Sequential Track File" << endl; break;
+			default: cout << "Format: Unknown MIDI file format?" << endl; break;
+		}
+		
+		cout << "Tracks: " << c.size() << endl;
+		
+		int td = fr.getTimingDivision();
+		if (td < 32768) {
+			cout << "Timing division: " << fr.getTimingDivision() << " ppq" << endl;
+			
+			midiEvents.pulsesPerQuarternote = fr.getTimingDivision();
+		} else {
+			int frames = 256 - (td >> 8);
+			int subframes = td & 0xff;
+			cout << "SMPTE timing: " << frames << " fps, " << subframes << " subframes" << endl;
+		}
+		
+		for (MIDIComposition::const_iterator i = c.begin(); i != c.end(); ++i) {
+			
+			cout << "Start of track: " << i->first+1 << endl;
+			
+			for (MIDITrack::const_iterator j = i->second.begin(); j != i->second.end(); ++j) {
+				
+				unsigned int t = j->getTime();
+				int ch = j->getChannelNumber();
+				
+				if (j->isMeta()) {
+					int code = j->getMetaEventCode();
+					string name;
+					bool printable = true;
+					switch (code) {
+							
+						case MIDI_END_OF_TRACK:
+							cout << t << ": End of track" << endl;
+							break;
+							
+						case MIDI_TEXT_EVENT: name = "Text"; break;
+						case MIDI_COPYRIGHT_NOTICE: name = "Copyright"; break;
+						case MIDI_TRACK_NAME: name = "Track name"; break;
+						case MIDI_INSTRUMENT_NAME: name = "Instrument name"; break;
+						case MIDI_LYRIC: name = "Lyric"; break;
+						case MIDI_TEXT_MARKER: name = "Text marker"; break;
+						case MIDI_SEQUENCE_NUMBER: name = "Sequence number"; printable = false; break;
+						case MIDI_CHANNEL_PREFIX_OR_PORT: name = "Channel prefix or port"; printable = false; break;
+						case MIDI_CUE_POINT: name = "Cue point"; break;
+						case MIDI_CHANNEL_PREFIX: name = "Channel prefix"; printable = false; break;
+						case MIDI_SEQUENCER_SPECIFIC: name = "Sequencer specific"; printable = false; break;
+						case MIDI_SMPTE_OFFSET: name = "SMPTE offset"; printable = false; break;
+							
+						case MIDI_SET_TEMPO:
+						{
+							int m0 = j->getMetaMessage()[0];
+							int m1 = j->getMetaMessage()[1];
+							int m2 = j->getMetaMessage()[2];
+							long tempo = (((m0 << 8) + m1) << 8) + m2;
+							
+							cout << t << ": Tempo: " << 60000000.0 / double(tempo) << endl;
+							midiEvents.tempo = 60000000.0 / double(tempo);
+							midiEvents.period = double(tempo)/1000.0;
+							
+							printf("period double is %f\n", midiEvents.period);
+						}
+							break;
+							
+						case MIDI_TIME_SIGNATURE:
+						{
+							int numerator = j->getMetaMessage()[0];
+							int denominator = 1 << (int)j->getMetaMessage()[1];
+							
+							cout << t << ": Time signature: " << numerator << "/" << denominator << endl;
+						}
+							
+						case MIDI_KEY_SIGNATURE:
+						{
+							int accidentals = j->getMetaMessage()[0];
+							int isMinor = j->getMetaMessage()[1];
+							bool isSharp = accidentals < 0 ? false : true;
+							accidentals = accidentals < 0 ? -accidentals : accidentals;
+							cout << t << ": Key signature: " << accidentals << " "
+							<< (isSharp ?
+								(accidentals > 1 ? "sharps" : "sharp") :
+								(accidentals > 1 ? "flats" : "flat"))
+							<< (isMinor ? ", minor" : ", major") << endl;
+						}
+							
+					}
+					
+					
+					if (name != "") {
+						if (printable) {
+							cout << t << ": File meta event: code " << code
+							<< ": " << name << ": \"" << j->getMetaMessage()
+							<< "\"" << endl;
+						} else {
+							cout << t << ": File meta event: code " << code
+							<< ": " << name << ": ";
+							for (int k = 0; k < j->getMetaMessage().length(); ++k) {
+								cout << (int)j->getMetaMessage()[k] << " ";
+							}
+						}
+					}
+					continue;
+				}
+				
+				switch (j->getMessageType()) {
+						
+					case MIDI_NOTE_ON:
+						cout << t << ": Note: channel " << ch
+						<< " duration " << j->getDuration()
+						<< " pitch " << j->getPitch()
+						<< " velocity " << j->getVelocity() 
+						<< "event time " << midiEvents.getEventTimeMillis(t) << endl;
+						v.clear();
+						v.push_back(t);
+						v.push_back(j->getPitch());
+						v.push_back(j->getVelocity());
+						v.push_back(j->getDuration());
+						midiEvents.recordedNoteOnMatrix.push_back(v);
+						midiEvents.recordedEventTimes.push_back(midiEvents.getEventTimeMillis(t));
+						break;
+						
+					case MIDI_POLY_AFTERTOUCH:
+						cout << t << ": Polyphonic aftertouch: channel " << ch
+						<< " pitch " << j->getPitch()
+						<< " pressure " << j->getData2() << endl;
+						break;
+						
+					case MIDI_CTRL_CHANGE:
+					{
+						int controller = j->getData1();
+						string name;
+						switch (controller) {
+							case MIDI_CONTROLLER_BANK_MSB: name = "Bank select MSB"; break;
+							case MIDI_CONTROLLER_VOLUME: name = "Volume"; break;
+							case MIDI_CONTROLLER_BANK_LSB: name = "Bank select LSB"; break;
+							case MIDI_CONTROLLER_MODULATION: name = "Modulation wheel"; break;
+							case MIDI_CONTROLLER_PAN: name = "Pan"; break;
+							case MIDI_CONTROLLER_SUSTAIN: name = "Sustain"; break;
+							case MIDI_CONTROLLER_RESONANCE: name = "Resonance"; break;
+							case MIDI_CONTROLLER_RELEASE: name = "Release"; break;
+							case MIDI_CONTROLLER_ATTACK: name = "Attack"; break;
+							case MIDI_CONTROLLER_FILTER: name = "Filter"; break;
+							case MIDI_CONTROLLER_REVERB: name = "Reverb"; break;
+							case MIDI_CONTROLLER_CHORUS: name = "Chorus"; break;
+							case MIDI_CONTROLLER_NRPN_1: name = "NRPN 1"; break;
+							case MIDI_CONTROLLER_NRPN_2: name = "NRPN 2"; break;
+							case MIDI_CONTROLLER_RPN_1: name = "RPN 1"; break;
+							case MIDI_CONTROLLER_RPN_2: name = "RPN 2"; break;
+							case MIDI_CONTROLLER_SOUNDS_OFF: name = "All sounds off"; break;
+							case MIDI_CONTROLLER_RESET: name = "Reset"; break;
+							case MIDI_CONTROLLER_LOCAL: name = "Local"; break;
+							case MIDI_CONTROLLER_ALL_NOTES_OFF: name = "All notes off"; break;
+						}
+						cout << t << ": Controller change: channel " << ch
+						<< " controller " << j->getData1();
+						if (name != "") cout << " (" << name << ")";
+						cout << " value " << j->getData2() << endl;
+					}
+						break;
+						
+					case MIDI_PROG_CHANGE:
+						cout << t << ": Program change: channel " << ch
+						<< " program " << j->getData1() << endl;
+						break;
+						
+					case MIDI_CHNL_AFTERTOUCH:
+						cout << t << ": Channel aftertouch: channel " << ch
+						<< " pressure " << j->getData1() << endl;
+						break;
+						
+					case MIDI_PITCH_BEND:
+						cout << t << ": Pitch bend: channel " << ch
+						<< " value " << (int)j->getData2() * 128 + (int)j->getData1() << endl;
+						break;
+						
+					case MIDI_SYSTEM_EXCLUSIVE:
+						cout << t << ": System exclusive: code "
+						<< (int)j->getMessageType() << " message length " <<
+						j->getMetaMessage().length() << endl;
+						break;
+						
+						
+				}
+				
+				
+			}
+			
+			
+		}
+		
+	//}
+	
+	
+	
+
+}//end cannam midi main
+