1/* 2 * Copyright (c) 2007, 2013, 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 24import java.io.IOException; 25 26import javax.sound.midi.*; 27import javax.sound.sampled.*; 28 29import com.sun.media.sound.*; 30 31public class SoftTestUtils { 32 33 public AudioSynthesizer synth = new SoftSynthesizer(); 34 public AudioInputStream stream; 35 public byte[] tmpbuffer = new byte[1024]; 36 37 public static SF2Soundbank createTestSoundBank() 38 { 39 SF2Soundbank sf2 = new SF2Soundbank(); 40 AudioFormat format = new AudioFormat(44100, 16, 1, true, false); 41 float[] data = new float[44100+1000]; 42 float fr = 440/format.getSampleRate(); 43 for (int i = 0; i < data.length; i++) 44 data[i] = (float)Math.sin(i*fr*2*Math.PI); 45 byte[] bdata = new byte[data.length*format.getFrameSize()]; 46 AudioFloatConverter.getConverter(format).toByteArray(data, bdata); 47 SF2Sample sample = new SF2Sample(sf2); 48 sample.setName("Test Sample"); 49 sample.setData(bdata); 50 sample.setStartLoop(500); 51 sample.setEndLoop(data.length - 500); 52 sample.setSampleRate((long) format.getSampleRate()); 53 sample.setOriginalPitch(69); 54 sf2.addResource(sample); 55 SF2Layer layer = new SF2Layer(sf2); 56 layer.setName("Test Layer"); 57 sf2.addResource(layer); 58 SF2LayerRegion region = new SF2LayerRegion(); 59 region.putInteger(SF2Region.GENERATOR_SAMPLEMODES, 1); 60 region.setSample(sample); 61 layer.getRegions().add(region); 62 SF2Instrument ins = new SF2Instrument(sf2); 63 ins.setName("Test Instrument"); 64 sf2.addInstrument(ins); 65 SF2InstrumentRegion insregion = new SF2InstrumentRegion(); 66 insregion.setLayer(layer); 67 ins.getRegions().add(insregion); 68 69 return sf2; 70 } 71 72 public SoftTestUtils() throws Exception { 73 stream = synth.openStream(null, null); 74 synth.unloadAllInstruments(synth.getDefaultSoundbank()); 75 synth.loadAllInstruments(createTestSoundBank()); 76 } 77 78 public void close() throws Exception { 79 stream.close(); 80 stream = null; 81 synth.close(); 82 synth = null; 83 } 84 85 public void read(double seconds) throws IOException 86 { 87 int bufflen = 88 stream.getFormat().getFrameSize() * 89 (int)(stream.getFormat().getFrameRate() * seconds); 90 while(bufflen != 0) 91 { 92 if(bufflen > 1024) 93 bufflen -= stream.read(tmpbuffer,0,1024); 94 else 95 bufflen -= stream.read(tmpbuffer,0, bufflen); 96 } 97 } 98 99 public VoiceStatus findVoice(int channel, int note) { 100 VoiceStatus[] v = synth.getVoiceStatus(); 101 for (int k = 0; k < v.length; k++) 102 if(v[k].active) 103 if(v[k].channel == channel) 104 if(v[k].note == note) 105 return v[k]; 106 return null; 107 } 108 109} 110