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Diffstat (limited to 'ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/src/testApp.cpp')
| -rw-r--r-- | ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/src/testApp.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/src/testApp.cpp b/ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/src/testApp.cpp new file mode 100644 index 0000000..0daf76d --- /dev/null +++ b/ofxMaxim/examples/OSX/ofMaximExample007OSX_Granular/src/testApp.cpp @@ -0,0 +1,213 @@ +/* This is an example of how to integrate maximilain into openFrameworks, + including using audio received for input and audio requested for output. + + + You can copy and paste this and use it as a starting example. + + */ + + +#include "testApp.h" +#include "maximilian.h"/* include the lib */ +#include "time.h" + + + +//------------------------------------------------------------- +testApp::~testApp() { + delete ts, ts2; +} + + +//-------------------------------------------------------------- +void testApp::setup(){ + + //samples from http://freesound.org + samp.load(ofToDataPath("2630__Jovica__133_bpm_ATTACK_LOOP_04_electrified_analog_kit_variation_16_mono.wav")); + samp2.load(ofToDataPath("24620__anamorphosis__GMB_Kantilan_1.wav")); + samp3.load(ofToDataPath("26393__brfindla__Calango1berimbau.wav")); + samp4.load(ofToDataPath("68373__juskiddink__Cello_open_string_bowed.wav")); + samp5.load(ofToDataPath("71515__Microscopia__Wilhelm_Bruder_Sohne_Organ.wav")); +// samp5.load(ofToDataPath("sine1sec.wav")); + + + ofEnableAlphaBlending(); + ofSetupScreen(); + ofBackground(0, 0, 0); + ofSetFrameRate(60); + + + /* This is stuff you always need.*/ + sampleRate = 44100; /* Sampling Rate */ + initialBufferSize = 512; /* Buffer Size. you have to fill this buffer with sound*/ + lAudioOut = new float[initialBufferSize];/* outputs */ + rAudioOut = new float[initialBufferSize]; + lAudioIn = new float[initialBufferSize];/* inputs */ + rAudioIn = new float[initialBufferSize]; + + + /* This is a nice safe piece of code */ + memset(lAudioOut, 0, initialBufferSize * sizeof(float)); + memset(rAudioOut, 0, initialBufferSize * sizeof(float)); + + memset(lAudioIn, 0, initialBufferSize * sizeof(float)); + memset(rAudioIn, 0, initialBufferSize * sizeof(float)); + + + + ts = new maxiPitchStretch<grainPlayerWin>(&samp); + ts2 = new maxiPitchStretch<grainPlayerWin>(&samp2); + ts3 = new maxiPitchStretch<grainPlayerWin>(&samp3); + ts4 = new maxiPitchStretch<grainPlayerWin>(&samp4); + ts5 = new maxiPitchStretch<grainPlayerWin>(&samp5); + stretches.push_back(ts); + stretches.push_back(ts2); + stretches.push_back(ts3); + stretches.push_back(ts4); + stretches.push_back(ts5); + speed = 1; + rate = 2; + grainLength = 0.05; + current=0; + + fft.setup(1024, 512, 256); + oct.setup(44100, 1024, 10); + + int current = 0; + ofxMaxiSettings::setup(sampleRate, 2, initialBufferSize); + ofSoundStreamSetup(2,0, this, maxiSettings::sampleRate, initialBufferSize, 4);/* Call this last ! */ + + ofSetVerticalSync(true); + ofEnableAlphaBlending(); + ofEnableSmoothing(); +} + +//-------------------------------------------------------------- +void testApp::update(){ +} + +//-------------------------------------------------------------- +void testApp::draw(){ + ofSetColor(160,32,240, 150); + ofDrawBitmapString(":: ofxMaxim Granular Timestretching Example ::", 10,20); + ofDrawBitmapString("Move the mouse left to right to change playback speed and direction.", 10,40); + ofDrawBitmapString("Move the mouse up and down to change the grain length.", 10,60); + ofDrawBitmapString("Click to cycle through samples.", 10,80); + + stringstream s; + s << "Speed: " << speed; + ofDrawBitmapString(s.str(), 10,750); + s.str(""); + s << "Grain length: " << round(grainLength*1000.0) << " ms"; + ofDrawBitmapString(s.str(), 180,750); + + ofNoFill(); +// for(int i=0; i < oct.nAverages; i++) { +// ofSetColor(200 + ((int)(ofGetFrameNum() * 0.8) % 255), +// 100 + ((int)(ofGetFrameNum() * 1.4) % 255), +// ofGetFrameNum() % 255, +// oct.averages[i] / 20.0 * 255.0); +//// ofCircle(ofGetWidth() / 2, ofGetHeight()/2, i * 5); +// glPushMatrix(); +// glTranslatef(ofGetWidth()/2,ofGetHeight()/2, 0); +// glRotatef(0.01 * ofGetFrameNum() * speed * i, 1, 0.1, 0); +//// glutWireSphere(i * 5, 2 + (10 - (fabs(speed) * 10)), 2 + (fabs(speed) * 10)); +// glutWireSphere(i * 5, 10, 10); +// glPopMatrix(); +// } + + +} + +//-------------------------------------------------------------- +void testApp::audioRequested (float * output, int bufferSize, int nChannels){ + for (int i = 0; i < bufferSize; i++){ +// wave = stretches[current]->play(speed, grainLength, 5, 0); + wave = stretches[current]->play(speed*2, rate, 0.1, 4, 0); +// wave = stretches[current]->play2(pos, 0.1, 4); + if (fft.process(wave)) { + oct.calculate(fft.magnitudes); + } + + //play result + mymix.stereo(wave, outputs, 0.5); + lAudioOut[i] = output[i*nChannels ] = outputs[0]; /* You may end up with lots of outputs. add them here */ + rAudioOut[i] = output[i*nChannels + 1] = outputs[1]; + } +} + +//-------------------------------------------------------------- +void testApp::audioReceived (float * input, int bufferSize, int nChannels){ + /* You can just grab this input and stick it in a double, then use it above to create output*/ + for (int i = 0; i < bufferSize; i++){ + /* you can also grab the data out of the arrays*/ + lAudioIn[i] = input[i*2]; + rAudioIn[i] = input[i*2+1]; + } +} + +//-------------------------------------------------------------- +void testApp::keyPressed(int key){ + switch (key) { + case 'a': + case 'A': + current = 0; + break; + case 's': + case 'S': + current = 1; + break; + case 'd': + case 'D': + current = 2; + break; + case 'f': + case 'F': + current = 3; + break; + case 'g': + case 'G': + current = 4; + break; + } + +} + +//-------------------------------------------------------------- +void testApp::keyReleased(int key){ + +} + +//-------------------------------------------------------------- +void testApp::mouseMoved(int x, int y ){ + speed = ((double ) x / ofGetWidth() * 4.0) - 2.0; + grainLength = ((double) y / ofGetHeight() * 0.1) + 0.001; + pos = ((double) x / ofGetWidth() * 2.0); + + rate = ((double ) y / ofGetHeight() * 4.0) - 2.0; + + +// cout << pos << endl; + +} + +//-------------------------------------------------------------- +void testApp::mouseDragged(int x, int y, int button){ +} + +//-------------------------------------------------------------- +void testApp::mousePressed(int x, int y, int button){ + if (++current > stretches.size()-1) current = 0; + +} + +//-------------------------------------------------------------- +void testApp::mouseReleased(int x, int y, int button){ + +} + +//-------------------------------------------------------------- +void testApp::windowResized(int w, int h){ + +} + |