comparison src/AudioEventMatcher.cpp @ 9:bc62266af280

Position scrolls with live input by updating the play position of onset detection to where the current best match is

 	
 	usingRealTime = false;
 	bayesianStruct.realTimeMode = &usingRealTime;
 	recentPitch = 0;
 	currentAlignmentPosition = 0;
+	
+	followingLiveInput = true;
 }
 
 void AudioEventMatcher::setWindowDimensions(){
 	double startHeight = recordedTracks.numberOfAudioTracks * recordedTracks.trackScreenHeight;
 	double heightAvailable = 1 - startHeight;

 	bayesianStruct.resetSize(matchWindowWidth);
 	bayesianStruct.setPositionDistributionScalar(1);
 	
 }
 
-void  AudioEventMatcher::startPlaying(){
+void AudioEventMatcher::startPlaying(){
 	bayesianStruct.setStartPlaying();
 	currentAlignmentPosition = 0;
 	startTime = ofGetElapsedTimeMillis();
 	//bayesianStruct.posterior.printArray();
 }
 
+
+void AudioEventMatcher::updatePosition(){
+	if (!followingLiveInput)
+		recordedTracks.updatePosition();
+	else
+		recordedTracks.updatePositionToMillis(currentAlignmentPosition);
+		
+	updateBestAlignmentPosition();
+}
+
 void AudioEventMatcher::updateBestAlignmentPosition(){
-	currentAlignmentPosition = bayesianStruct.posterior.offset + bayesianStruct.posterior.getIndexInRealTerms(bayesianStruct.posterior.MAPestimate);
+	currentAlignmentPosition = bayesianStruct.posterior.getIndexInRealTerms(bayesianStruct.posterior.MAPestimate);
 	currentAlignmentPosition += (ofGetElapsedTimeMillis() - lastAlignmentTime) * bayesianStruct.relativeSpeedPosterior.getIndexInRealTerms(bayesianStruct.relativeSpeedPosterior.MAPestimate);
 }
 
 void AudioEventMatcher::draw(){
 	//draw some outlines in blue

 
 
 	
 	ofSetColor(255);
 //	bayesianStruct.relativeSpeedPrior.drawVector(0, 200, bayesTempoWindow);
-	
+
+	setScreenDisplayTimes();
 	drawBayesianDistributions();
 	
 	//	bayesianStruct.posterior.drawVector(0, bayesianStruct.posterior.getRealTermsAsIndex(screenWidthMillis), bayesPositionWindow);
 	
 	//bayesianStruct.posterior.drawVector(bayesianStruct.posterior.getRealTermsAsIndex(0), bayesianStruct.posterior.getRealTermsAsIndex(screenWidthMillis), bayesPositionWindow);
 	
 	//	bayesianStruct.relativeSpeedPosterior.drawVector(0, bayesianStruct.relativeSpeedPosterior.getRealTermsAsIndex(2), bayesTempoWindow);
 	
 	ofDrawBitmapString("pitch "+ofToString(recentPitch, 2)+", Time "+ofToString(recentTime, 0), 20, 20);
-}
-	
+	
+	ofDrawBitmapString("pos "+ofToString(recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.playPosition), 200,600);
+}
+	
+void AudioEventMatcher::setScreenDisplayTimes(){
+		screenWidthMillis = recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.framesToMillis(recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.amplitudeNumber);
+	//	if (!followingLiveInput){
+		
+		screenStartTimeMillis = recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.framesToMillis(recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.drawParams.windowStartFrame);
+		screenEndTimeMillis = screenStartTimeMillis + screenWidthMillis;
+	
+	//need PRECISION in this alignment
+	
+	
+	/*}else{
+
+		screenStartTimeMillis = (int)(currentAlignmentPosition/screenWidthMillis) * screenWidthMillis;
+		screenEndTimeMillis = screenStartTimeMillis + screenWidthMillis;
+	}*/
+}
+
 void AudioEventMatcher::drawBayesianDistributions(){
 	
 	
-	double screenWidthMillis = recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.framesToMillis(recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.amplitudeNumber);
-	
-
-	double screenStartTimeMillis = recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.framesToMillis(recordedTracks.loadedAudioFiles[0].fileLoader.onsetDetect.drawParams.windowStartFrame);
-	double screenEndTimeMillis = screenStartTimeMillis + screenWidthMillis;
 	int startIndex = bayesianStruct.posterior.getRealTermsAsIndex(screenStartTimeMillis);
 	int endIndex = bayesianStruct.posterior.getRealTermsAsIndex(screenEndTimeMillis);
 	
 	bayesianStruct.posterior.drawConstrainedVector(startIndex, endIndex, 0, ofGetWidth(), bayesPositionWindow);
 	

 	tmpStr = "best est "+ofToString(bayesianStruct.bestEstimate);
 	ofDrawBitmapString(tmpStr, 20, 180);
 	
 	ofDrawBitmapString("screenwidth "+ofToString(screenWidthMillis), 20, 800);
 	
+	//green line at current best estimate
 	ofSetColor(0,255,0);
 	double currentEstimateIndex = (currentAlignmentPosition - screenStartTimeMillis)*ofGetWidth()/screenWidthMillis;
 	ofLine(currentEstimateIndex, bayesPositionWindow.y, currentEstimateIndex, bayesPositionWindow.y + bayesPositionWindow.height);
 	
 	//draw track by track likelihoods

 
 	
 	bayesianStruct.updateBayesianDistributions(timeIn);//moves the posterior up into prior given the time interval and calculates new offsets
 	
 	//start at beginning but OPTIMISE later
-	double onsetLikelihoodToNoise = 0.5;
+	double onsetLikelihoodToNoise = 0.3;
 	
 	double likelihoodWidth = 40;
 	
 	bayesianStruct.likelihood.offset = bayesianStruct.prior.offset;
 	bayesianStruct.likelihood.zero();//set to zero

 	
 	bayesianStruct.updateBayesianDistributions(timeIn);//moves the posterior up into prior given the time interval and calculates new offsets
 
 	//set the lielihoods by matching the pitched note
 	
-	double pitchLikelihoodToNoise = 0.5;//more noise
+	double pitchLikelihoodToNoise = 0.7;//more noise
 	int numberOfMatches = 0;
 	bayesianStruct.likelihood.zero();//set to zero
 	
 	double quantity = 0;
 	if (channel <= recordedTracks.numberOfAudioTracks){