LayoutTests/webaudio/note-grain-on-timing.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html>
   3   <head>
   4     <script src="resources/audio-testing.js"></script>
   5     <script src="resources/note-grain-on-testing.js"></script>
   6     <script src="../fast/js/resources/js-test-pre.js"></script>
   7   </head>
   8
   9   <body>
  10     <div id="description"></div>
  11     <div id="console"></div>
  12
  13     <script>
  14       description("Test timing of noteGrainOn.");
  15
  16       var squarePulseBuffer;
  17
  18       function checkResult(event) {
  19           var buffer = event.renderedBuffer;
  20           renderedData = buffer.getChannelData(0);
  21           var nSamples = renderedData.length;
  22
  23           var success = true;
  24
  25           var startEndFrames = findStartAndEndSamples(renderedData);
  26
  27           success = success && verifyStartAndEndFrames(startEndFrames);
  28
  29           if (success) {
  30               testPassed("noteGrainOn timing tests passed.");
  31           } else {
  32               testFailed("noteGrainOn timing tests failed.");
  33           }
  34
  35           finishJSTest();
  36       }
  37
  38       function runTest() {
  39           if (window.layoutTestController) {
  40               layoutTestController.dumpAsText();
  41               layoutTestController.waitUntilDone();
  42           }
  43
  44           window.jsTestIsAsync = true;
  45
  46           // Create offline audio context.
  47           context = new webkitAudioContext(2, sampleRate * renderTime, sampleRate);
  48
  49           squarePulseBuffer = createSignalBuffer(context, function (k) { return 1 });
  50
  51           playAllGrains(context, squarePulseBuffer, numberOfTests);
  52
  53           context.oncomplete = checkResult;
  54           context.startRendering();
  55       }
  56
  57       runTest();
  58       successfullyParsed = true;
  59
  60     </script>
  61
  62     <script src="../fast/js/resources/js-test-post.js"></script>
  63   </body>
  64 </html>