note-grain-on-timing.html | Explore in Territory

<!DOCTYPE html>
<html>
  <head>
    <title>
      note-grain-on-timing.html
    </title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/webaudio/resources/audit-util.js"></script>
    <script src="/webaudio/resources/audit.js"></script>
    <script src="/webaudio/resources/note-grain-on-testing.js"></script>
  </head>
  <body>
    <script id="layout-test-code">
      let audit = Audit.createTaskRunner();

      let squarePulseBuffer;

      function checkResult(buffer, should) {
        renderedData = buffer.getChannelData(0);
        let nSamples = renderedData.length;
        let startEndFrames = findStartAndEndSamples(renderedData);

        verifyStartAndEndFrames(startEndFrames, should);
      }

      audit.define('Test timing of noteGrainOn', function(task, should) {
        // Create offline audio context.
        context =
            new OfflineAudioContext(2, sampleRate * renderTime, sampleRate);

        squarePulseBuffer = createSignalBuffer(context, function(k) {
          return 1
        });

        playAllGrains(context, squarePulseBuffer, numberOfTests);

        context.startRendering().then(function(audioBuffer) {
          checkResult(audioBuffer, should);
          task.done();
        });
      });

      audit.run();
    </script>
  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/webaudio/the-audio-api/the-audiobuffersourcenode-interface/note-grain-on-timing.html