001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.workinprogress.audio;
031
032import java.io.File;
033import java.io.FileWriter;
034import java.io.IOException;
035import java.io.PrintWriter;
036import java.nio.ByteBuffer;
037
038import org.openimaj.audio.AudioFormat;
039import org.openimaj.audio.AudioStream;
040import org.openimaj.audio.SampleChunk;
041import org.openimaj.audio.conversion.MultichannelToMonoProcessor;
042import org.openimaj.audio.conversion.SampleRateConverter;
043import org.openimaj.audio.processor.FixedSizeSampleAudioProcessor;
044import org.openimaj.util.array.ArrayUtils;
045import org.openimaj.video.xuggle.XuggleAudio;
046
047public class AudioPlay {
048        public static void main(String[] args) throws IOException {
049                final AudioStream audio = new XuggleAudio(new File(
050                                "/Users/jon/Music/iTunes/iTunes Music/Rufus Wainwright/Shrek - Soundtrack/10 Hallelujah.mp3"));
051
052                final int frameSize = 300;
053                final int frameStep = 300;
054
055                final AudioFormat targetFormat = new AudioFormat(16, 11.025, 1);
056                final AudioStream audioConv = new SampleRateConverter(new MultichannelToMonoProcessor(audio),
057                                SampleRateConverter.SampleRateConversionAlgorithm.LINEAR_INTERPOLATION, targetFormat);
058                final FixedSizeSampleAudioProcessor framer = new
059                                FixedSizeSampleAudioProcessor(audioConv, frameSize, frameSize -
060                                                frameStep);
061
062                final PrintWriter pw = new PrintWriter(new FileWriter(new
063                                File("samples.txt")));
064                for (final SampleChunk sc : framer) {
065                        final ByteBuffer sb = sc.getSamplesAsByteBuffer();
066
067                        final short[] vector = new short[frameSize];
068                        for (int i = 0; i < Math.min(frameSize, sb.limit() / (Short.SIZE /
069                                        Byte.SIZE)); i++)
070                        {
071                                final short v = sb.getShort();
072                                vector[i] = v;// (v / (float) Short.MAX_VALUE);
073                        }
074                        pw.println(ArrayUtils.toString(vector, "%6d"));
075                }
076                pw.close();
077        }
078}