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+/*
+ * Copyright 2010 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.examples;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import com.jsyn.JSyn;
+import com.jsyn.Synthesizer;
+import com.jsyn.data.FloatSample;
+import com.jsyn.unitgen.LineOut;
+import com.jsyn.unitgen.VariableRateDataReader;
+import com.jsyn.unitgen.VariableRateMonoReader;
+import com.jsyn.unitgen.VariableRateStereoReader;
+import com.jsyn.util.SampleLoader;
+
+/**
+ * Play a sample from a WAV file using JSyn.
+ *
+ * @author Phil Burk (C) 2010 Mobileer Inc
+ */
+public class PlaySample {
+ private Synthesizer synth;
+ private VariableRateDataReader samplePlayer;
+ private LineOut lineOut;
+
+ private void test() {
+
+ URL sampleFile;
+ try {
+ sampleFile = new URL("http://www.softsynth.com/samples/Clarinet.wav");
+ // sampleFile = new URL("http://www.softsynth.com/samples/NotHereNow22K.wav");
+ } catch (MalformedURLException e2) {
+ e2.printStackTrace();
+ return;
+ }
+
+ synth = JSyn.createSynthesizer();
+
+ FloatSample sample;
+ try {
+ // Add an output mixer.
+ synth.add(lineOut = new LineOut());
+
+ // Load the sample and display its properties.
+ SampleLoader.setJavaSoundPreferred(false);
+ sample = SampleLoader.loadFloatSample(sampleFile);
+ System.out.println("Sample has: channels = " + sample.getChannelsPerFrame());
+ System.out.println(" frames = " + sample.getNumFrames());
+ System.out.println(" rate = " + sample.getFrameRate());
+ System.out.println(" loopStart = " + sample.getSustainBegin());
+ System.out.println(" loopEnd = " + sample.getSustainEnd());
+
+ if (sample.getChannelsPerFrame() == 1) {
+ synth.add(samplePlayer = new VariableRateMonoReader());
+ samplePlayer.output.connect(0, lineOut.input, 0);
+ } else if (sample.getChannelsPerFrame() == 2) {
+ synth.add(samplePlayer = new VariableRateStereoReader());
+ samplePlayer.output.connect(0, lineOut.input, 0);
+ samplePlayer.output.connect(1, lineOut.input, 1);
+ } else {
+ throw new RuntimeException("Can only play mono or stereo samples.");
+ }
+
+ // Start synthesizer using default stereo output at 44100 Hz.
+ synth.start();
+
+ samplePlayer.rate.set(sample.getFrameRate());
+
+ // We only need to start the LineOut. It will pull data from the
+ // sample player.
+ lineOut.start();
+
+ // We can simply queue the entire file.
+ // Or if it has a loop we can play the loop for a while.
+ if (sample.getSustainBegin() < 0) {
+ System.out.println("queue the sample");
+ samplePlayer.dataQueue.queue(sample);
+ } else {
+ System.out.println("queueOn the sample");
+ samplePlayer.dataQueue.queueOn(sample);
+ synth.sleepFor(8.0);
+ System.out.println("queueOff the sample");
+ samplePlayer.dataQueue.queueOff(sample);
+ }
+
+ // Wait until the sample has finished playing.
+ do {
+ synth.sleepFor(1.0);
+ } while (samplePlayer.dataQueue.hasMore());
+
+ synth.sleepFor(0.5);
+
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ // Stop everything.
+ synth.stop();
+ }
+
+ public static void main(String[] args) {
+ new PlaySample().test();
+ }
+}