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1 <!DOCTYPE HTML> |
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2 <html> |
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3 <head> |
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4 <title>Test PannerNode directly above</title> |
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5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
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6 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
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7 </head> |
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8 <body> |
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9 <pre id="test"> |
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10 <script src="webaudio.js" type="text/javascript"></script> |
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11 <script class="testbody" type="text/javascript"> |
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12 |
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13 var gTest = { |
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14 numberOfChannels: 2, |
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15 createGraph: function(context) { |
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16 // An up vector will be made perpendicular to the front vector, in the |
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17 // front-up plane. |
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18 context.listener.setOrientation(0, 6.311749985202524e+307, 0, 0.1, 1000, 0); |
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19 // Linearly dependent vectors are ignored. |
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20 context.listener.setOrientation(0, 0, -6.311749985202524e+307, 0, 0, 6.311749985202524e+307); |
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21 var panner = context.createPanner(); |
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22 panner.setPosition(2, 0, 0); // directly above |
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23 panner.rolloffFactor = 0; // no distance gain |
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24 panner.panningModel = "equalpower"; // no effect when directly above |
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25 |
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26 var source = context.createBufferSource(); |
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27 source.buffer = this.buffer; |
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28 source.connect(panner); |
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29 source.start(0); |
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30 |
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31 return panner; |
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32 }, |
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33 createExpectedBuffers: function(context) { |
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34 var expectedBuffer = context.createBuffer(2, 2048, context.sampleRate); |
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35 for (var i = 0; i < 2048; ++i) { |
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36 // Different signals in left and right buffers |
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37 expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); |
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38 expectedBuffer.getChannelData(1)[i] = Math.sin(220 * 2 * Math.PI * i / context.sampleRate); |
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39 } |
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40 this.buffer = expectedBuffer; |
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41 return expectedBuffer; |
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42 }, |
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43 }; |
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44 |
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45 runTest(); |
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46 |
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47 </script> |
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48 </pre> |
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49 </body> |
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50 </html> |