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

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