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<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1017888",
title: "Renegotiation: remove audio track"
});
runNetworkTest(function (options) {
const test = new PeerConnectionTest(options);
const audioContext = new AudioContext();
// Start a tone so that the gUM call will record something even with
// --use-test-media-devices.
const tone = new LoopbackTone(audioContext, TEST_AUDIO_FREQ);
tone.start();
let receivedTrack, analyser, freq;
addRenegotiation(test.chain,
[
function PC_REMOTE_SETUP_ANALYSER(test) {
is(test.pcRemote._pc.getReceivers().length, 1,
"pcRemote should have one receiver before renegotiation");
receivedTrack = test.pcRemote._pc.getReceivers()[0].track;
is(receivedTrack.readyState, "live",
"The received track should be live");
analyser = new AudioStreamAnalyser(
audioContext, new MediaStream([receivedTrack]));
freq = analyser.binIndexForFrequency(TEST_AUDIO_FREQ);
return analyser.waitForAnalysisSuccess(arr => arr[freq] > 200);
},
function PC_LOCAL_REMOVE_AUDIO_TRACK(test) {
test.setOfferOptions({ offerToReceiveAudio: true });
return test.pcLocal.removeSender(0);
},
],
[
function PC_REMOTE_CHECK_FLOW_STOPPED(test) {
// Simply removing a track is not enough to cause it to be
// signaled as ended. Spec may change though.
// TODO: One last check of the spec is in order
is(receivedTrack.readyState, "live",
"The received track should not have ended");
return analyser.waitForAnalysisSuccess(arr => arr[freq] < 50);
},
]
);
test.setMediaConstraints([{audio: true}], [{audio: true}]);
return test.run()
.finally(() => tone.stop());
});
</script>
</pre>
</body>
</html>
|
