ProcessAudio_replace_mix.java revision 8729:0242fce0f717
1/* 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @summary Test SoftLimiter processAudio method */ 26 27import javax.sound.midi.MidiUnavailableException; 28import javax.sound.midi.Patch; 29import javax.sound.sampled.*; 30 31import com.sun.media.sound.*; 32 33public class ProcessAudio_replace_mix { 34 35 private static void assertEquals(Object a, Object b) throws Exception 36 { 37 if(!a.equals(b)) 38 throw new RuntimeException("assertEquals fails!"); 39 } 40 41 private static void assertTrue(boolean value) throws Exception 42 { 43 if(!value) 44 throw new RuntimeException("assertTrue fails!"); 45 } 46 47 public static void main(String[] args) throws Exception { 48 SoftSynthesizer synth = new SoftSynthesizer(); 49 synth.openStream(null, null); 50 51 SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat()); 52 SoftAudioBuffer in2 = new SoftAudioBuffer(250, synth.getFormat()); 53 SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat()); 54 SoftAudioBuffer out2 = new SoftAudioBuffer(250, synth.getFormat()); 55 56 float[] testdata1 = new float[in1.getSize()]; 57 float[] testdata2 = new float[in2.getSize()]; 58 float[] n1a = in1.array(); 59 float[] n2a = in2.array(); 60 float[] out1a = out1.array(); 61 float[] out2a = out2.array(); 62 for (int i = 0; i < n1a.length; i++) { 63 testdata1[i] = (float)Math.sin(i*0.3)*0.9f; 64 testdata2[i] = (float)Math.sin(i*0.4)*0.9f; 65 n1a[i] = testdata1[i]; 66 n2a[i] = testdata2[i]; 67 out1a[i] = 1; 68 out2a[i] = 1; 69 } 70 71 SoftLimiter limiter = new SoftLimiter(); 72 limiter.init(44100, 147); 73 limiter.setMixMode(true); 74 limiter.setInput(0, in1); 75 limiter.setInput(1, in2); 76 limiter.setOutput(0, out1); 77 limiter.setOutput(1, out2); 78 limiter.processControlLogic(); 79 limiter.processAudio(); 80 limiter.processControlLogic(); 81 limiter.processAudio(); 82 // Limiter should delay audio by one buffer, 83 // and there should almost no different in output v.s. input 84 for (int i = 0; i < n1a.length; i++) { 85 if(Math.abs(out1a[i] - testdata1[i] - 1) > 0.00001) 86 throw new Exception("input != output"); 87 if(Math.abs(out2a[i] - testdata2[i] - 1) > 0.00001) 88 throw new Exception("input != output"); 89 } 90 91 synth.close(); 92 93 } 94} 95