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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.media.sound; 27 28import java.io.IOException; 29 30import javax.sound.midi.Instrument; 31import javax.sound.midi.MidiChannel; 32import javax.sound.midi.Patch; 33import javax.sound.midi.Soundbank; 34import javax.sound.midi.SoundbankResource; 35import javax.sound.midi.VoiceStatus; 36 37/** 38 * A abstract class used to simplify creating custom ModelOscillator. 39 * 40 * @author Karl Helgason 41 */ 42public abstract class ModelAbstractOscillator 43 implements ModelOscillator, ModelOscillatorStream, Soundbank { 44 45 protected float pitch = 6000; 46 protected float samplerate; 47 protected MidiChannel channel; 48 protected VoiceStatus voice; 49 protected int noteNumber; 50 protected int velocity; 51 protected boolean on = false; 52 53 public void init() { 54 } 55 56 @Override 57 public void close() throws IOException { 58 } 59 60 @Override 61 public void noteOff(int velocity) { 62 on = false; 63 } 64 65 @Override 66 public void noteOn(MidiChannel channel, VoiceStatus voice, int noteNumber, 67 int velocity) { 68 this.channel = channel; 69 this.voice = voice; 70 this.noteNumber = noteNumber; 71 this.velocity = velocity; 72 on = true; 73 } 74 75 @Override 76 public int read(float[][] buffer, int offset, int len) throws IOException { 77 return -1; 78 } 79 80 public MidiChannel getChannel() { 81 return channel; 82 } 83 84 public VoiceStatus getVoice() { 85 return voice; 86 } 87 88 public int getNoteNumber() { 89 return noteNumber; 90 } 91 92 public int getVelocity() { 93 return velocity; 94 } 95 96 public boolean isOn() { 97 return on; 98 } 99 100 @Override 101 public void setPitch(float pitch) { 102 this.pitch = pitch; 103 } 104 105 public float getPitch() { 106 return pitch; 107 } 108 109 public void setSampleRate(float samplerate) { 110 this.samplerate = samplerate; 111 } 112 113 public float getSampleRate() { 114 return samplerate; 115 } 116 117 @Override 118 public float getAttenuation() { 119 return 0; 120 } 121 122 @Override 123 public int getChannels() { 124 return 1; 125 } 126 127 @Override 128 public String getName() { 129 return getClass().getName(); 130 } 131 132 public Patch getPatch() { 133 return new Patch(0, 0); 134 } 135 136 @Override 137 @SuppressWarnings("deprecation") 138 public ModelOscillatorStream open(float samplerate) { 139 ModelAbstractOscillator oscs; 140 try { 141 oscs = this.getClass().newInstance(); 142 } catch (ReflectiveOperationException e) { 143 throw new IllegalArgumentException(e); 144 } 145 oscs.setSampleRate(samplerate); 146 oscs.init(); 147 return oscs; 148 } 149 150 public ModelPerformer getPerformer() { 151 // Create performer for my custom oscillirator 152 ModelPerformer performer = new ModelPerformer(); 153 performer.getOscillators().add(this); 154 return performer; 155 156 } 157 158 public ModelInstrument getInstrument() { 159 // Create Instrument object around my performer 160 SimpleInstrument ins = new SimpleInstrument(); 161 ins.setName(getName()); 162 ins.add(getPerformer()); 163 ins.setPatch(getPatch()); 164 return ins; 165 166 } 167 168 public Soundbank getSoundBank() { 169 // Create Soundbank object around the instrument 170 SimpleSoundbank sbk = new SimpleSoundbank(); 171 sbk.addInstrument(getInstrument()); 172 return sbk; 173 } 174 175 @Override 176 public String getDescription() { 177 return getName(); 178 } 179 180 @Override 181 public Instrument getInstrument(Patch patch) { 182 Instrument ins = getInstrument(); 183 Patch p = ins.getPatch(); 184 if (p.getBank() != patch.getBank()) 185 return null; 186 if (p.getProgram() != patch.getProgram()) 187 return null; 188 if (p instanceof ModelPatch && patch instanceof ModelPatch) { 189 if (((ModelPatch)p).isPercussion() 190 != ((ModelPatch)patch).isPercussion()) { 191 return null; 192 } 193 } 194 return ins; 195 } 196 197 @Override 198 public Instrument[] getInstruments() { 199 return new Instrument[]{getInstrument()}; 200 } 201 202 @Override 203 public SoundbankResource[] getResources() { 204 return new SoundbankResource[0]; 205 } 206 207 @Override 208 public String getVendor() { 209 return null; 210 } 211 212 @Override 213 public String getVersion() { 214 return null; 215 } 216} 217