1 files changed, 110 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/audio/AudioData.java b/engine/src/core/com/jme3/audio/AudioData.java
new file mode 100644
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+++ b/engine/src/core/com/jme3/audio/AudioData.java
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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.util.NativeObject;
+
+/**
+ * <code>AudioData</code> is an abstract representation
+ * of audio data. There are two ways to handle audio data, short audio files
+ * are to be stored entirely in memory, while long audio files (music) are
+ * streamed from the hard drive as they are played.
+ *
+ * @author Kirill Vainer
+ */
+public abstract class AudioData extends NativeObject {
+
+    protected int sampleRate;
+    protected int channels;
+    protected int bitsPerSample;
+
+    public enum DataType {
+        Buffer,
+        Stream
+    }
+    
+    public AudioData(){
+        super(AudioData.class);
+    }
+
+    protected AudioData(int id){
+        super(AudioData.class, id);
+    }
+    
+    /**
+     * @return The data type, either <code>Buffer</code> or <code>Stream</code>.
+     */
+    public abstract DataType getDataType();
+
+    /**
+     * @return the duration in seconds of the audio clip.
+     */
+    public abstract float getDuration();
+
+    /**
+     * @return Bits per single sample from a channel.
+     */
+    public int getBitsPerSample() {
+        return bitsPerSample;
+    }
+
+    /**
+     * @return Number of channels. 1 for mono, 2 for stereo, etc.
+     */
+    public int getChannels() {
+        return channels;
+    }
+
+    /**
+     * @return The sample rate, or how many samples per second.
+     */
+    public int getSampleRate() {
+        return sampleRate;
+    }
+
+    /**
+     * Setup the format of the audio data.
+     * @param channels # of channels, 1 = mono, 2 = stereo
+     * @param bitsPerSample Bits per sample, e.g 8 bits, 16 bits.
+     * @param sampleRate Sample rate, 44100, 22050, etc.
+     */
+    public void setupFormat(int channels, int bitsPerSample, int sampleRate){
+        if (id != -1)
+            throw new IllegalStateException("Already set up");
+
+        this.channels = channels;
+        this.bitsPerSample = bitsPerSample;
+        this.sampleRate = sampleRate;
+    }
+
+}