1 /* 2 * Copyright (c) 2007, 2015, 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 @modules java.desktop/com.sun.media.sound 27 */ 28 29 import javax.sound.midi.MidiUnavailableException; 30 import javax.sound.midi.Patch; 31 import javax.sound.sampled.*; 32 33 import com.sun.media.sound.*; 34 35 public class ProcessAudio_replace_mix_overdrive { 36 37 private static void assertEquals(Object a, Object b) throws Exception 38 { 39 if(!a.equals(b)) 40 throw new RuntimeException("assertEquals fails!"); 41 } 42 43 private static void assertTrue(boolean value) throws Exception 44 { 45 if(!value) 46 throw new RuntimeException("assertTrue fails!"); 47 } 48 49 public static void main(String[] args) throws Exception { 50 SoftSynthesizer synth = new SoftSynthesizer(); 51 synth.openStream(null, null); 52 53 SoftAudioBuffer in1 = new SoftAudioBuffer(250, synth.getFormat()); 54 SoftAudioBuffer in2 = new SoftAudioBuffer(250, synth.getFormat()); 55 SoftAudioBuffer out1 = new SoftAudioBuffer(250, synth.getFormat()); 56 SoftAudioBuffer out2 = new SoftAudioBuffer(250, synth.getFormat()); 57 58 float[] testdata1 = new float[in1.getSize()]; 59 float[] testdata2 = new float[in2.getSize()]; 60 float[] n1a = in1.array(); 61 float[] n2a = in2.array(); 62 float[] out1a = out1.array(); 63 float[] out2a = out2.array(); 64 for (int i = 0; i < n1a.length; i++) { 65 testdata1[i] = (float)Math.sin(i*0.3)*2.5f; 66 testdata2[i] = (float)Math.sin(i*0.4)*2.5f; 67 n1a[i] = testdata1[i]; 68 n2a[i] = testdata2[i]; 69 out1a[i] = 1; 70 out2a[i] = 1; 71 } 72 73 SoftLimiter limiter = new SoftLimiter(); 74 limiter.init(44100, 147); 75 limiter.setMixMode(true); 76 limiter.setInput(0, in1); 77 limiter.setInput(1, in2); 78 limiter.setOutput(0, out1); 79 limiter.setOutput(1, out2); 80 limiter.processControlLogic(); 81 limiter.processAudio(); 82 limiter.processControlLogic(); 83 limiter.processAudio(); 84 // Limiter should delay audio by one buffer, 85 // and there should almost no different in output v.s. input 86 for (int i = 0; i < n1a.length; i++) { 87 if(Math.abs(out1a[i]-1) > 1.0) 88 throw new Exception("abs(output)>1"); 89 if(Math.abs(out2a[i]-1) > 1.0) 90 throw new Exception("abs(output)>1"); 91 } 92 93 synth.close(); 94 } 95 }