1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.tests; 18 19 import com.badlogic.gdx.Gdx; 20 import com.badlogic.gdx.audio.AudioDevice; 21 import com.badlogic.gdx.tests.utils.GdxTest; 22 23 public class AudioDeviceTest extends GdxTest { 24 Thread thread; 25 boolean stop = false; 26 27 @Override create()28 public void create () { 29 if (thread == null) { 30 final AudioDevice device = Gdx.app.getAudio().newAudioDevice(44100, false); 31 thread = new Thread(new Runnable() { 32 @Override 33 public void run () { 34 final float frequency = 440; 35 float increment = (float)(2 * Math.PI) * frequency / 44100; // angular increment for each sample 36 float angle = 0; 37 float samples[] = new float[1024]; 38 39 while (!stop) { 40 for (int i = 0; i < samples.length; i += 2) { 41 samples[i] = 0.5f * (float)Math.sin(angle); 42 samples[i + 1] = 2 * samples[i]; 43 angle += increment; 44 } 45 46 device.writeSamples(samples, 0, samples.length); 47 } 48 49 device.dispose(); 50 } 51 }); 52 thread.start(); 53 } 54 } 55 56 @Override dispose()57 public void dispose () { 58 stop = true; 59 try { 60 thread.join(); 61 } catch (InterruptedException e) { 62 e.printStackTrace(); 63 } 64 } 65 } 66