1368490.html - mozsearch

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<!DOCTYPE html>↩

<html class="reftest-wait">↩

<head>↩

  <title> Bug 1368490 : Crash if media recorder source stream reduces number of channels. </title>↩

</head>↩

<meta charset="utf-8">↩

<script type="text/javascript">↩

↩

function boom() {↩

  let audioContext = new window.AudioContext();↩

  let oscillator  = audioContext.createOscillator();↩

  let dst = audioContext.createMediaStreamDestination();↩

  oscillator.channelCount = 4;↩

  dst.channelCount = 4;↩

  oscillator.connect(dst, 0, 0);↩

  oscillator.start();↩

  mediaRec = new MediaRecorder(dst.stream);↩

↩

  mediaRec.start(100);↩

  setTimeout(() => {↩

    dst.channelCount = 1;↩

    setTimeout(() => {↩

      mediaRec.stop();↩

      document.documentElement.removeAttribute("class");↩

    }, 100);↩

  }, 100);↩

}↩

</script>↩

<body onload="boom();"></body>↩

</html>↩