public void setup() { int window_height = 220; size((int) (window_height * 5.12f), 220); canvas = createGraphics((int) (window_height * 5.12f) / 2, 220, JAVA2D); textMode(SCREEN); textFont(createFont("SanSerif", 12)); minim = new Minim(this); in = minim.getLineIn(Minim.MONO, buffer_size, sample_rate); // create an FFT object that has a time-domain buffer // the same size as line-in's sample buffer fft = new FFT(in.bufferSize(), in.sampleRate()); // Tapered window important for log-domain display fft.window(FFT.HAMMING); // initialize peak-hold structures peaksize = 1 + Math.round(fft.specSize() / binsperband); peaks = new float[peaksize]; peak_age = new int[peaksize]; particles = new Particle[fft.specSize()]; for (int i = 0; i < fft.specSize(); i++) particles[i] = new Particle(i); }
public void setup() { size(1200, 200, JAVA2D); preview = createGraphics(width, 100); minim = new Minim(this); mimp = new JSMinim(this); mimp.debugOn(); // specify that we want the audio buffers of the AudioPlayer // to be 1024 samples long because our FFT needs to have // a power-of-two buffer size and this is a good size. jingle = minim.loadFile(filename, 1024); // loop the file indefinitely jingle.loop(); // create an FFT object that has a time-domain buffer // the same size as jingle's sample buffer // note that this needs to be a power of two // and that it means the size of the spectrum will be half as large. fft = new FFT(jingle.bufferSize(), jingle.sampleRate()); MultiChannelBuffer sampleBuffer = new MultiChannelBuffer(0, 0); // params don't matter! float jingleBuffer = loadFileIntoBuffer(filename, sampleBuffer); totalSamples = sampleBuffer.getBufferSize(); beat = new BeatDetect(4096 * 4, jingle.sampleRate()); beat.setSensitivity(1); beat.detectMode(BeatDetect.FREQ_ENERGY); // find ALL beats float data[] = new float[2048]; samples = sampleBuffer.getChannel(1); // for( int i = 0; i < samples.length; i+= data.length ){ // int j = Math.min( samples.length-1, i + data.length - 1 ); //// System.out.println( "copy up to including " + ( j ) + " / " + samples.length); // System.arraycopy( samples, i, data, 0, 1 + j - i ); // beat.detect( data ); // if( beat.isOnset() ){ // beats.add( i ); // System.out.println( i + ": " + beat.isKick() ); // } // } // pick some starting point ... loopEnd = samples.length; int start = (int) random(3 * samples.length / 5); analyze(start); new Thread() { public void run() { try { while (true) { Thread.sleep(1); // figure it out int s = (int) (loopStart * 1000l / jingle.getFormat().getSampleRate()); int e = (int) (loopEnd * 1000l / jingle.getFormat().getSampleRate()); if (jingle.position() < s) jingle.cue(s + 10); else if (jingle.position() > e) jingle.cue(s); else continue; Thread.sleep(500); } } catch (InterruptedException e) { e.printStackTrace(); } } }.start(); // System.exit(0); }
public void stop() { in.close(); minim.stop(); super.stop(); }
// EVENTUALLY, ASSOCIATE A SOUNDFILE FROM THE CONSTRUCTOR AS WELL!!! public Dialog(String sFile, int time, Minim m) { timeStamp = time; type = DIA_TIME; ap = m.loadFile(sFile, 2048); }