159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.audio; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.NativeObject; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * <code>AudioData</code> is an abstract representation 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * of audio data. There are two ways to handle audio data, short audio files 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * are to be stored entirely in memory, while long audio files (music) are 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * streamed from the hard drive as they are played. 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Kirill Vainer 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic abstract class AudioData extends NativeObject { 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int sampleRate; 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int channels; 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected int bitsPerSample; 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public enum DataType { 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Buffer, 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Stream 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public AudioData(){ 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super(AudioData.class); 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected AudioData(int id){ 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super(AudioData.class, id); 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return The data type, either <code>Buffer</code> or <code>Stream</code>. 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public abstract DataType getDataType(); 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return the duration in seconds of the audio clip. 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public abstract float getDuration(); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return Bits per single sample from a channel. 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getBitsPerSample() { 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return bitsPerSample; 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return Number of channels. 1 for mono, 2 for stereo, etc. 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getChannels() { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return channels; 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return The sample rate, or how many samples per second. 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getSampleRate() { 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return sampleRate; 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Setup the format of the audio data. 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param channels # of channels, 1 = mono, 2 = stereo 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param bitsPerSample Bits per sample, e.g 8 bits, 16 bits. 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param sampleRate Sample rate, 44100, 22050, etc. 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setupFormat(int channels, int bitsPerSample, int sampleRate){ 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (id != -1) 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalStateException("Already set up"); 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.channels = channels; 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.bitsPerSample = bitsPerSample; 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.sampleRate = sampleRate; 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 111