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1   /**
2    * Copyright (c) 2011, The University of Southampton and the individual contributors.
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification,
6    * are permitted provided that the following conditions are met:
7    *
8    *   * 	Redistributions of source code must retain the above copyright notice,
9    * 	this list of conditions and the following disclaimer.
10   *
11   *   *	Redistributions in binary form must reproduce the above copyright notice,
12   * 	this list of conditions and the following disclaimer in the documentation
13   * 	and/or other materials provided with the distribution.
14   *
15   *   *	Neither the name of the University of Southampton nor the names of its
16   * 	contributors may be used to endorse or promote products derived from this
17   * 	software without specific prior written permission.
18   *
19   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package org.openimaj.workinprogress.audio;
31  
32  import java.io.File;
33  import java.io.FileWriter;
34  import java.io.IOException;
35  import java.io.PrintWriter;
36  import java.nio.ByteBuffer;
37  
38  import org.openimaj.audio.AudioFormat;
39  import org.openimaj.audio.AudioStream;
40  import org.openimaj.audio.SampleChunk;
41  import org.openimaj.audio.conversion.MultichannelToMonoProcessor;
42  import org.openimaj.audio.conversion.SampleRateConverter;
43  import org.openimaj.audio.processor.FixedSizeSampleAudioProcessor;
44  import org.openimaj.util.array.ArrayUtils;
45  import org.openimaj.video.xuggle.XuggleAudio;
46  
47  public class AudioPlay {
48  	public static void main(String[] args) throws IOException {
49  		final AudioStream audio = new XuggleAudio(new File(
50  				"/Users/jon/Music/iTunes/iTunes Music/Rufus Wainwright/Shrek - Soundtrack/10 Hallelujah.mp3"));
51  
52  		final int frameSize = 300;
53  		final int frameStep = 300;
54  
55  		final AudioFormat targetFormat = new AudioFormat(16, 11.025, 1);
56  		final AudioStream audioConv = new SampleRateConverter(new MultichannelToMonoProcessor(audio),
57  				SampleRateConverter.SampleRateConversionAlgorithm.LINEAR_INTERPOLATION, targetFormat);
58  		final FixedSizeSampleAudioProcessor framer = new
59  				FixedSizeSampleAudioProcessor(audioConv, frameSize, frameSize -
60  						frameStep);
61  
62  		final PrintWriter pw = new PrintWriter(new FileWriter(new
63  				File("samples.txt")));
64  		for (final SampleChunk sc : framer) {
65  			final ByteBuffer sb = sc.getSamplesAsByteBuffer();
66  
67  			final short[] vector = new short[frameSize];
68  			for (int i = 0; i < Math.min(frameSize, sb.limit() / (Short.SIZE /
69  					Byte.SIZE)); i++)
70  			{
71  				final short v = sb.getShort();
72  				vector[i] = v;// (v / (float) Short.MAX_VALUE);
73  			}
74  			pw.println(ArrayUtils.toString(vector, "%6d"));
75  		}
76  		pw.close();
77  	}
78  }