third_party/WebKit/LayoutTests/webaudio/panner-equalpower.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html>
   3   <head>
   4     <script src="resources/compatibility.js"></script>
   5     <script src="resources/audio-testing.js"></script>
   6     <script src="../resources/js-test.js"></script>
   7     <script src="resources/panner-model-testing.js"></script>
   8   </head>
   9
  10   <body>
  11     <div id="description"></div>
  12     <div id="console"></div>
  13
  14     <script>
  15       description("Test equal-power panner model of AudioPannerNode.");
  16
  17       // To test the panner, we create a number of panner nodes
  18       // equally spaced on a semicircle at unit distance.  The
  19       // semicircle covers the azimuth range from -90 to 90 deg,
  20       // covering full left to full right.  Each source is an impulse
  21       // turning at a different time and we check that the rendered
  22       // impulse has the expected gain.
  23       function runTest() {
  24           if (window.testRunner) {
  25               testRunner.dumpAsText();
  26               testRunner.waitUntilDone();
  27           }
  28
  29           window.jsTestIsAsync = true;
  30
  31           // Create offline audio context.
  32           context = new OfflineAudioContext(2, sampleRate * renderLengthSeconds, sampleRate);
  33
  34           createTestAndRun(context, nodesToCreate, 1);
  35       }
  36
  37       runTest();
  38       successfullyParsed = true;
  39
  40     </script>
  41
  42   </body>
  43 </html>