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+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.jme3.audio;
+
+import com.jme3.audio.AudioData.DataType;
+import com.jme3.util.NativeObject;
+import java.nio.ByteBuffer;
+
+/**
+ * An <code>AudioBuffer</code> is an implementation of AudioData
+ * where the audio is buffered (stored in memory). All parts of it
+ * are accessible at any time. <br/>
+ * AudioBuffers are useful for short sounds, like effects, etc.
+ *
+ * @author Kirill Vainer
+ */
+public class AudioBuffer extends AudioData {
+
+ /**
+ * The audio data buffer. Should be direct and native ordered.
+ */
+ protected ByteBuffer audioData;
+
+ public AudioBuffer(){
+ super();
+ }
+
+ protected AudioBuffer(int id){
+ super(id);
+ }
+
+ public DataType getDataType() {
+ return DataType.Buffer;
+ }
+
+ /**
+ * @return The duration of the audio in seconds. It is expected
+ * that audio is uncompressed.
+ */
+ public float getDuration(){
+ int bytesPerSec = (bitsPerSample / 8) * channels * sampleRate;
+ if (audioData != null)
+ return (float) audioData.capacity() / bytesPerSec;
+ else
+ return Float.NaN; // unknown
+ }
+
+ @Override
+ public String toString(){
+ return getClass().getSimpleName() +
+ "[id="+id+", ch="+channels+", bits="+bitsPerSample +
+ ", rate="+sampleRate+", duration="+getDuration()+"]";
+ }
+
+ /**
+ * Update the data in the buffer with new data.
+ * @param data
+ */
+ public void updateData(ByteBuffer data){
+ this.audioData = data;
+ updateNeeded = true;
+ }
+
+ /**
+ * @return The buffered audio data.
+ */
+ public ByteBuffer getData(){
+ return audioData;
+ }
+
+ public void resetObject() {
+ id = -1;
+ setUpdateNeeded();
+ }
+
+ public void deleteObject(AudioRenderer ar) {
+
+ }
+
+ @Override
+ public void deleteObject(Object rendererObject) {
+ ((AudioRenderer)rendererObject).deleteAudioData(this);
+ }
+
+ @Override
+ public NativeObject createDestructableClone() {
+ return new AudioBuffer(id);
+ }
+
+}