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. 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 package com.sun.media.sound; 26 27 import java.io.ByteArrayOutputStream; 28 import java.io.DataInputStream; 29 import java.io.File; 30 import java.io.IOException; 31 import java.io.InputStream; 32 import java.net.URL; 33 34 import javax.sound.midi.InvalidMidiDataException; 35 import javax.sound.midi.Soundbank; 36 import javax.sound.midi.spi.SoundbankReader; 37 import javax.sound.sampled.AudioInputStream; 38 import javax.sound.sampled.AudioSystem; 39 import javax.sound.sampled.UnsupportedAudioFileException; 40 41 /** 42 * Soundbank reader that uses audio files as soundbanks. 43 * 44 * @author Karl Helgason 45 */ 46 public final class AudioFileSoundbankReader extends SoundbankReader { 47 48 @Override 49 public Soundbank getSoundbank(URL url) 50 throws InvalidMidiDataException, IOException { 51 try { 52 AudioInputStream ais = AudioSystem.getAudioInputStream(url); 53 Soundbank sbk = getSoundbank(ais); 54 ais.close(); 55 return sbk; 56 } catch (UnsupportedAudioFileException e) { 57 return null; 58 } catch (IOException e) { 59 return null; 60 } 61 } 62 63 @Override 64 public Soundbank getSoundbank(InputStream stream) 65 throws InvalidMidiDataException, IOException { 66 stream.mark(512); 67 try { 68 AudioInputStream ais = AudioSystem.getAudioInputStream(stream); 69 Soundbank sbk = getSoundbank(ais); 70 if (sbk != null) 71 return sbk; 72 } catch (UnsupportedAudioFileException e) { 73 } catch (IOException e) { 74 } 75 stream.reset(); 76 return null; 77 } 78 79 public Soundbank getSoundbank(AudioInputStream ais) 80 throws InvalidMidiDataException, IOException { 81 try { 82 byte[] buffer; 83 if (ais.getFrameLength() == -1) { 84 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 85 byte[] buff = new byte[1024 86 - (1024 % ais.getFormat().getFrameSize())]; 87 int ret; 88 while ((ret = ais.read(buff)) != -1) { 89 baos.write(buff, 0, ret); 90 } 91 ais.close(); 92 buffer = baos.toByteArray(); 93 } else { 94 buffer = new byte[(int) (ais.getFrameLength() 95 * ais.getFormat().getFrameSize())]; 96 new DataInputStream(ais).readFully(buffer); 97 } 98 ModelByteBufferWavetable osc = new ModelByteBufferWavetable( 99 new ModelByteBuffer(buffer), ais.getFormat(), -4800); 100 ModelPerformer performer = new ModelPerformer(); 101 performer.getOscillators().add(osc); 102 103 SimpleSoundbank sbk = new SimpleSoundbank(); 104 SimpleInstrument ins = new SimpleInstrument(); 105 ins.add(performer); 106 sbk.addInstrument(ins); 107 return sbk; 108 } catch (Exception e) { 109 return null; 110 } 111 } 112 113 @Override 114 public Soundbank getSoundbank(File file) 115 throws InvalidMidiDataException, IOException { 116 try { 117 AudioInputStream ais = AudioSystem.getAudioInputStream(file); 118 ais.close(); 119 ModelByteBufferWavetable osc = new ModelByteBufferWavetable( 120 new ModelByteBuffer(file, 0, file.length()), -4800); 121 ModelPerformer performer = new ModelPerformer(); 122 performer.getOscillators().add(osc); 123 SimpleSoundbank sbk = new SimpleSoundbank(); 124 SimpleInstrument ins = new SimpleInstrument(); 125 ins.add(performer); 126 sbk.addInstrument(ins); 127 return sbk; 128 } catch (UnsupportedAudioFileException e1) { 129 return null; 130 } catch (IOException e) { 131 return null; 132 } 133 } 134 }