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1 /*
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2 Cross-Modal DAW Prototype - Prototype of a simple Cross-Modal Digital Audio Workstation.
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3
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4 Copyright (C) 2015 Queen Mary University of London (http://depic.eecs.qmul.ac.uk/)
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5
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6 This program is free software: you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation, either version 3 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19 package uk.ac.qmul.eecs.depic.daw;
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20
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21 import java.util.ArrayList;
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22 import java.util.List;
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23
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24 /**
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25 *
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26 * a list of list of chunks corresponding to peaks in the sound wave. One list for each possible scaling factor.
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27 *
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28 */
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29 public class WavePeaks extends ArrayList<List<Chunk>> {
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30 private static final long serialVersionUID = 1L;
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31 private boolean constructed;
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32
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33 public WavePeaks(int maxScaleFactor) {
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34 super(maxScaleFactor+1);
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35 /* wave peaks indexes the list of chunks by scale factor since there is
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36 * no 0 scaleFactor the first position of the list is never used but it must
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37 * be filled up in order to avoid index out of bounds exception */
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38 for(int i=0; i<maxScaleFactor+1;i++)
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39 add(null);
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40 constructed = true;
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41 }
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42
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43 @Override
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44 public void add(int scaleFactor, List<Chunk> element){
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45 if(constructed && scaleFactor == 0)
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46 throw new IllegalArgumentException("scaleFactor cannot be 0");
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47 super.set(scaleFactor, element);
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48 }
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49
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50 @Override
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51 public boolean add(List<Chunk> element){
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52 if(constructed)
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53 throw new UnsupportedOperationException("Use add(scaleFactor), List<ChunkElement>");
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54 else
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55 return super.add(element);
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56 }
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57
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58
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59 public List<Chunk> withScaleFactor(int scaleFactor){
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60 return super.get(scaleFactor);
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61 }
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62
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63 }
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