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1 // The MIT License
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2
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3 // Copyright (c) 2009 Massachusetts Institute of Technology
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4
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5 // Permission is hereby granted, free of charge, to any person obtaining a copy
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6 // of this software and associated documentation files (the "Software"), to deal
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7 // in the Software without restriction, including without limitation the rights
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8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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9 // copies of the Software, and to permit persons to whom the Software is
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10 // furnished to do so, subject to the following conditions:
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11
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12 // The above copyright notice and this permission notice shall be included in
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13 // all copies or substantial portions of the Software.
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14
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15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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21 // THE SOFTWARE.
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22
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23 // Author: Kermin Fleming kfleming@mit.edu
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24
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25 import Connectable::*;
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26 import GetPut::*;
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27 import ClientServer::*;
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28
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29 typedef Int#(16) Sample;
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30
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31 typedef enum {
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32 EndOfFile = 0,
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33 Data = 1
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34 } AudioProcessorControl deriving (Bits,Eq);
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35
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36
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37 typedef struct {
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38 Sample left;
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39 Sample right;
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40 } StereoSample deriving (Bits,Eq);
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41
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42 typedef union tagged{
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43 Sample Sample;
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44 void EndOfFile;
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45 } AudioProcessorUnit deriving (Bits,Eq);
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46
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47 interface AudioPipeline;
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48 interface Put#(AudioProcessorUnit) sampleInput;
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49 interface Get#(AudioProcessorUnit) sampleOutput;
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50 endinterface
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51
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