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Diffstat (limited to 'engine/src/core/com/jme3/audio/AudioBuffer.java')
-rw-r--r-- | engine/src/core/com/jme3/audio/AudioBuffer.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/audio/AudioBuffer.java b/engine/src/core/com/jme3/audio/AudioBuffer.java new file mode 100644 index 0000000..7d29c49 --- /dev/null +++ b/engine/src/core/com/jme3/audio/AudioBuffer.java @@ -0,0 +1,120 @@ +/* + * 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); + } + +} |