third_party/WebKit/LayoutTests/webaudio/audiobuffersource.html

   1 <!DOCTYPE html>
   2
   3 <!--
   4 See if we can load an AudioBuffer, create an AudioBufferSourceNode, attach the buffer to it, then play it.
   5 -->
   6
   7 <html>
   8 <head>
   9 <script type="text/javascript" src="resources/audio-testing.js"></script>
  10 <script type="text/javascript" src="resources/buffer-loader.js"></script>
  11
  12 <script>
  13
  14 window.onload = init;
  15
  16 var sampleRate = 44100.0;
  17 var lengthInSeconds = 2;
  18
  19 var context = 0;
  20 var bufferLoader = 0;
  21
  22 function init() {
  23     if (!window.testRunner)
  24         return;
  25
  26     // Create offline audio context.
  27     context = new OfflineAudioContext(2, sampleRate * lengthInSeconds, sampleRate);
  28
  29     bufferLoader = new BufferLoader(
  30         context,
  31         [
  32             "resources/hyper-reality/br-jam-loop.wav",
  33         ],
  34         finishedLoading
  35     );
  36
  37     bufferLoader.load();
  38     testRunner.waitUntilDone();
  39 }
  40
  41 function finishedLoading(bufferList) {
  42     var bufferSource = context.createBufferSource();
  43     bufferSource.buffer = bufferList[0];
  44
  45     bufferSource.connect(context.destination);
  46     bufferSource.start(0);
  47
  48     context.oncomplete = finishAudioTest;
  49     context.startRendering();
  50 }
  51
  52 </script>
  53 </head>
  54 <body>
  55 </body>
  56 </html>