standalone of10 versionmain

4 files changed, 307 insertions, 0 deletions

diff --git a/glitcher2/src/audioGlitcher.h b/glitcher2/src/audioGlitcher.h
new file mode 100644
index 0000000..a33b3fb
--- /dev/null
+++ b/glitcher2/src/audioGlitcher.h
@@ -0,0 +1,182 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxOpenCv.h"
+
+class audioGlitcher {
+	public:
+
+		ofxCvColorImage buffer;
+		ofFbo renderFBO;
+		IplImage tmp;
+		vector<float> *samples;
+		int interp_x,interp_y;
+		float trans_x,trans_y;
+		float scale;
+		float rotation;
+		float origin_x,origin_y;
+
+		void setup(int w,int h,vector<float> *s){
+			buffer.allocate(w,h);
+			renderFBO.allocate(w,h,GL_RGB);
+			samples=s;
+			origin_x=origin_y=0.5f;
+			trans_x=trans_y=0.0f;
+			scale=1.0f;
+			rotation=0.0f;
+			interp_x=16;
+			interp_y=12;
+		}
+		void set_interp(int ix,int iy){
+			interp_x=ix;
+			interp_y=iy;
+		}
+		void set_trans(float x,float y){
+			trans_x=x;
+			trans_y=y;
+		}
+		void set_scale(float s){
+			scale=s;
+		}
+		void set_rot(float r){
+			rotation=r;
+		}
+		void set_origin(float x,float y){
+			origin_x=x;
+			origin_y=y;
+		}
+		void draw(int x,int y){
+			renderFBO.draw(x,y);
+		}
+		void update(){
+
+		    renderFBO.readToPixels(buffer.getPixels());
+		    buffer.flagImageChanged();
+
+		    //create low res remap target
+
+		    cv::Mat dstX(interp_x,interp_y,CV_32FC1);
+		    cv::Mat dstY(interp_x,interp_y,CV_32FC1);
+		    cv::Mat srcX(interp_x,interp_y,CV_32FC1);
+		    cv::Mat srcY(interp_x,interp_y,CV_32FC1);
+
+		    float xFactor=renderFBO.getWidth()/srcX.cols;
+		    float yFactor=renderFBO.getHeight()/srcX.rows;
+		    for (int i=0;i<srcX.cols;i++){
+		    	for (int j=0;j<srcX.rows;j++){
+		    		srcX.at<float>(j,i)=i*xFactor;
+		    		srcY.at<float>(j,i)=j*yFactor;
+		    	}
+		    }
+
+		    //transform the low res matrix
+		    float tX=trans_x-.05; //fraction of image
+		    float tY=trans_y-.08; //fraction of image
+		    float oX=origin_x; //fraction of image
+		    float oY=origin_y; //fraction of image
+		    float s=scale;
+		    float r=rotation;
+
+		    cv::Point2f srcTri[3], dstTri[3];
+			
+			// Compute matrix by creating triangle and transforming
+			srcTri[0].x=0;
+			srcTri[0].y=0;
+			srcTri[1].x=dstX.rows-1;
+			srcTri[1].y=0;
+			srcTri[2].x=0;
+			srcTri[2].y=dstX.cols-1;
+
+			for (int i=0;i<3;i++){
+
+				dstTri[i].x=srcTri[i].x+(tX*dstX.cols);
+				dstTri[i].y=srcTri[i].y+(tY*dstX.cols); //use cols for equiv coords
+				//rotate and scale around centre
+				//transform to centre
+				dstTri[i].x-=(oX*dstX.cols);
+				dstTri[i].y-=(oY*dstX.cols);
+
+				dstTri[i].x*=s;
+				dstTri[i].y*=s;
+
+				double dx=(dstTri[i].x*cos(r))-(dstTri[i].y*sin(r));
+				double dy=(dstTri[i].x*sin(r))+(dstTri[i].y*cos(r));
+
+				dstTri[i].x=dx;
+				dstTri[i].y=dy;
+
+				//transform back
+				dstTri[i].x+=(oX*dstX.cols);
+				dstTri[i].y+=(oY*dstX.cols);
+			}
+
+			cv::Mat trans_mat=getAffineTransform(srcTri,dstTri);
+			warpAffine(srcX,dstX,trans_mat, srcX.size(), cv::INTER_LINEAR, cv::BORDER_WRAP);
+			warpAffine(srcY,dstY,trans_mat, srcY.size(), cv::INTER_LINEAR, cv::BORDER_WRAP);
+
+			cv::Mat scaledstX;
+			cv::Mat scaledstY;
+
+			cv::resize(dstX,scaledstX, cv::Size(renderFBO.getWidth(),renderFBO.getHeight()), 0, 0, cv::INTER_LINEAR);
+			cv::resize(dstY,scaledstY, cv::Size(renderFBO.getWidth(),renderFBO.getHeight()), 0, 0, cv::INTER_LINEAR);
+
+			cv::Mat buf = cv::cvarrToMat(buffer.getCvImage(),false); //copyData=
+		    cv::Mat dstbuf;
+
+			cv::remap(buf,dstbuf,scaledstX,scaledstY, cv::INTER_NEAREST, cv::BORDER_WRAP); //, cv::Scalar(0,0, 0) );
+			tmp = IplImage(dstbuf);
+
+			//buffer=tmp;
+			//buffer.remap(scaledstX,scaledstY);
+			buffer=&tmp;
+
+			renderFBO.begin();
+
+			//
+			ofSetColor(255,255,255);
+
+			buffer-=1;
+			buffer.draw(0,0);
+			//
+
+			//ofEnableAlphaBlending();
+			//ofSetColor(0,0,0,128);
+			//ofRect(0,0,ofGetWidth(),ofGetHeight());
+			//ofDisableAlphaBlending();
+
+			if (false){
+				ofNoFill();
+				ofPushMatrix();
+				ofTranslate(renderFBO.getWidth()/2,renderFBO.getHeight()/2);   
+			    ofRect(-20,-20,40,40);
+			    ofPopMatrix();
+			}
+
+		    if (true) {
+			    ofPushMatrix();
+			    ofTranslate(0,renderFBO.getHeight()/2);
+
+
+			    ofSetColor(0,0,0);
+			    ofFill();
+			    ofBeginShape();
+			    for (int i=0;i<samples->size();i++){
+			    	ofVertex(i,(*samples)[i]*renderFBO.getHeight());
+			    }
+			    ofEndShape();
+
+			    ofSetColor(255,255,255);
+			    ofNoFill();
+			    ofBeginShape();
+			    for (int i=0;i<samples->size();i++){
+			    	ofVertex(i,(*samples)[i]*renderFBO.getHeight());
+			    }
+			    ofEndShape();
+
+			    ofPopMatrix();
+		    }
+
+		    renderFBO.end();
+		    //renderFBO.flagImageChanged();
+		}
+};
\ No newline at end of file
diff --git a/glitcher2/src/main.cpp b/glitcher2/src/main.cpp
new file mode 100644
index 0000000..d77aea4
--- /dev/null
+++ b/glitcher2/src/main.cpp
@@ -0,0 +1,6 @@
+#include "ofApp.h"
+
+int main() {
+    ofSetupOpenGL(512,384, OF_WINDOW);
+	ofRunApp(new ofApp());
+}
diff --git a/glitcher2/src/ofApp.cpp b/glitcher2/src/ofApp.cpp
new file mode 100644
index 0000000..9615a75
--- /dev/null
+++ b/glitcher2/src/ofApp.cpp
@@ -0,0 +1,88 @@
+#include "ofApp.h"
+
+
+//--------------------------------------------------------------
+void ofApp::setup() {
+	ofSetLogLevel(OF_LOG_WARNING);
+	
+	ofSetFrameRate(60);
+
+	int bufferSize=	ofGetWidth(); //should be based on the size of glitch buffer
+
+	soundStream.listDevices();
+	//nb all you have to do to make audio work is to turn off pulseaudio in configuration
+	soundStream.setup(this, 0, 1, 44100, bufferSize, 1);
+	samples.resize(bufferSize);
+
+	glitch.setup(ofGetWidth(),ofGetHeight(),&samples);
+	//glitch.set_interp(ofRandom(30)+2,ofRandom(22)+2);
+
+
+	frame=0;
+}
+
+//--------------------------------------------------------------
+void ofApp::update() {
+	ofSetWindowTitle(ofToString(ofGetFrameRate()));
+
+	glitch.update();
+}
+
+//--------------------------------------------------------------
+void ofApp::draw() {
+	frame++;
+	if (frame==1000){
+		//glitch.set_interp(ofRandom(30)+2,ofRandom(22)+2);
+		frame=0;
+	}
+	
+
+    glitch.draw(0,0); //eventually textured into a viewport
+
+
+}
+
+void ofApp::audioIn(float * input, int bufferSize, int nChannels){
+	for (int i=0;i<bufferSize/nChannels;i+=nChannels){
+		samples[i]=input[i*nChannels];
+	}
+}
+
+
+
+//--------------------------------------------------------------
+void ofApp::exit() {
+	
+}
+
+//--------------------------------------------------------------
+void ofApp::keyPressed (int key) {
+	switch (key) {
+		case ' ':
+			glitch.set_interp(ofRandom(30)+2,ofRandom(22)+2);
+			glitch.set_rot(ofRandom(1)>0.5?ofRandom(0.1):0);
+			break;
+		
+		case OF_KEY_UP:
+			break;
+			
+		case OF_KEY_DOWN:
+			break;
+	}
+}
+
+//--------------------------------------------------------------
+void ofApp::mouseDragged(int x, int y, int button)
+{}
+
+//--------------------------------------------------------------
+void ofApp::mousePressed(int x, int y, int button)
+{}
+
+//--------------------------------------------------------------
+void ofApp::mouseReleased(int x, int y, int button)
+{}
+
+//--------------------------------------------------------------
+void ofApp::windowResized(int w, int h)
+{}
diff --git a/glitcher2/src/ofApp.h b/glitcher2/src/ofApp.h
new file mode 100644
index 0000000..beaceaf
--- /dev/null
+++ b/glitcher2/src/ofApp.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include "ofMain.h"
+#include "ofxOpenCv.h"
+#include "audioGlitcher.h"
+
+
+class ofApp : public ofBaseApp {
+public:
+	
+	void setup();
+	void update();
+	void draw();
+	void exit();
+	
+	void keyPressed(int key);
+	void mouseDragged(int x, int y, int button);
+	void mousePressed(int x, int y, int button);
+	void mouseReleased(int x, int y, int button);
+	void windowResized(int w, int h);
+
+	void audioIn(float * input, int bufferSize, int nChannels); 
+
+	audioGlitcher glitch;
+
+	ofSoundStream soundStream;
+	vector<float> samples;
+
+	int frame;
+
+};