| /* |
| * 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); |
| } |
| |
| } |