guest271314/mediastreamtrack_does_not_render_silence.html

## mediastreamtrack_does_not_render_silence.html
<!DOCTYPE html>

<html>
  <head>
    <title>MediaStreamTrack does not render silence on Chromium</title>
    <!-- https://bugs.chromium.org/p/chromium/issues/detail?id=1262796 -->
    <!-- https://www.w3.org/TR/mediacapture-streams/#life-cycle-and-media-flow -->
  </head>

  <body>
    <script>
      var webrtc = new RTCPeerConnection();
      var transceiver = webrtc.addTransceiver('audio');
      var { track: webrtc_track } = transceiver.receiver;
      var webrtc_audio_element = new Audio();
      webrtc_audio_element.controls = webrtc_audio_element.autoplay = true;
      document.body.appendChild(webrtc_audio_element);
      webrtc_audio_element.srcObject = new MediaStream([webrtc_track]);
      webrtc_audio_element.ontimeupdate = webrtc_audio_element.onplaying = (
        e
      ) =>
        console.assert(e.target.currentTime > 0, [
          e.target.currentTime,
          e.type,
        ]);

      var ac = new AudioContext();
      var msd = new MediaStreamAudioDestinationNode(ac);
      var { stream } = msd;
      var [webaudio_track] = stream.getAudioTracks();
      var webaudio_element = new Audio();
      webaudio_element.controls = webaudio_element.autoplay = true;
      document.body.appendChild(webaudio_element);
      webaudio_element.srcObject = new MediaStream([webaudio_track]);
      webaudio_element.ontimeupdate = webaudio_element.onplaying = (e) =>
        console.assert(e.target.currentTime > 0, [
          e.target.currentTime,
          e.type,
        ]);
    </script>
  </body>
</html>
	<!DOCTYPE html>

	<html>
	<head>
	<title>MediaStreamTrack does not render silence on Chromium</title>
	<!-- https://bugs.chromium.org/p/chromium/issues/detail?id=1262796 -->
	<!-- https://www.w3.org/TR/mediacapture-streams/#life-cycle-and-media-flow -->
	</head>

	<body>
	<script>
	var webrtc = new RTCPeerConnection();
	var transceiver = webrtc.addTransceiver('audio');
	var { track: webrtc_track } = transceiver.receiver;
	var webrtc_audio_element = new Audio();
	webrtc_audio_element.controls = webrtc_audio_element.autoplay = true;
	document.body.appendChild(webrtc_audio_element);
	webrtc_audio_element.srcObject = new MediaStream([webrtc_track]);
	webrtc_audio_element.ontimeupdate = webrtc_audio_element.onplaying = (
	e
	) =>
	console.assert(e.target.currentTime > 0, [
	e.target.currentTime,
	e.type,
	]);

	var ac = new AudioContext();
	var msd = new MediaStreamAudioDestinationNode(ac);
	var { stream } = msd;
	var [webaudio_track] = stream.getAudioTracks();
	var webaudio_element = new Audio();
	webaudio_element.controls = webaudio_element.autoplay = true;
	document.body.appendChild(webaudio_element);
	webaudio_element.srcObject = new MediaStream([webaudio_track]);
	webaudio_element.ontimeupdate = webaudio_element.onplaying = (e) =>
	console.assert(e.target.currentTime > 0, [
	e.target.currentTime,
	e.type,
	]);
	</script>
	</body>
	</html>