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 
  26 package com.sun.media.sound;
  27 
  28 import java.io.InputStream;
  29 import java.util.Arrays;
  30 
  31 import javax.sound.midi.Soundbank;
  32 import javax.sound.midi.SoundbankResource;
  33 import javax.sound.sampled.AudioFormat;
  34 import javax.sound.sampled.AudioInputStream;
  35 
  36 /**
  37  * This class is used to store the sample data itself.
  38  * A sample is encoded as PCM audio stream
  39  * and in DLS Level 1 files it is always a mono 8/16 bit stream.
  40  * They are stored just like RIFF WAVE files are stored.
  41  * It is stored inside a "wave" List Chunk inside DLS files.
  42  *
  43  * @author Karl Helgason
  44  */
  45 public final class DLSSample extends SoundbankResource {
  46 
  47     byte[] guid = null;
  48     DLSInfo info = new DLSInfo();
  49     DLSSampleOptions sampleoptions;
  50     ModelByteBuffer data;
  51     AudioFormat format;
  52 
  53     public DLSSample(Soundbank soundBank) {
  54         super(soundBank, null, AudioInputStream.class);
  55     }
  56 
  57     public DLSSample() {
  58         super(null, null, AudioInputStream.class);
  59     }
  60 
  61     public DLSInfo getInfo() {
  62         return info;
  63     }
  64 
  65     @Override
  66     public Object getData() {
  67         AudioFormat format = getFormat();
  68 
  69         InputStream is = data.getInputStream();
  70         if (is == null)
  71             return null;
  72         return new AudioInputStream(is, format, data.capacity());
  73     }
  74 
  75     public ModelByteBuffer getDataBuffer() {
  76         return data;
  77     }
  78 
  79     public AudioFormat getFormat() {
  80         return format;
  81     }
  82 
  83     public void setFormat(AudioFormat format) {
  84         this.format = format;
  85     }
  86 
  87     public void setData(ModelByteBuffer data) {
  88         this.data = data;
  89     }
  90 
  91     public void setData(byte[] data) {
  92         this.data = new ModelByteBuffer(data);
  93     }
  94 
  95     public void setData(byte[] data, int offset, int length) {
  96         this.data = new ModelByteBuffer(data, offset, length);
  97     }
  98 
  99     @Override
 100     public String getName() {
 101         return info.name;
 102     }
 103 
 104     public void setName(String name) {
 105         info.name = name;
 106     }
 107 
 108     public DLSSampleOptions getSampleoptions() {
 109         return sampleoptions;
 110     }
 111 
 112     public void setSampleoptions(DLSSampleOptions sampleOptions) {
 113         this.sampleoptions = sampleOptions;
 114     }
 115 
 116     @Override
 117     public String toString() {
 118         return "Sample: " + info.name;
 119     }
 120 
 121     public byte[] getGuid() {
 122         return guid == null ? null : Arrays.copyOf(guid, guid.length);
 123     }
 124 
 125     public void setGuid(byte[] guid) {
 126         this.guid = guid == null ? null : Arrays.copyOf(guid, guid.length);
 127     }
 128 }