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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1017888",
title: "Renegotiation: remove then add video track"
});
runNetworkTest(async function (options) {
// Use fake video here since the native fake device on linux doesn't
// change color as needed by checkVideoPlaying() below.
await pushPrefs(
['media.video_loopback_dev', ''],
['media.navigator.streams.fake', true]);
if (navigator.userAgent.includes("Android")) {
await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false],
["media.webrtc.hw.h264.enabled", false]);
}
const test = new PeerConnectionTest(options);
const helper = new VideoStreamHelper();
var originalTrack;
let haveMuteEvent = new Promise(() => {});
let haveUnmuteEvent = new Promise(() => {});
addRenegotiation(test.chain,
[
function PC_REMOTE_FIND_RECEIVER(test) {
is(test.pcRemote._pc.getReceivers().length, 1,
"pcRemote should have one receiver");
originalTrack = test.pcRemote._pc.getReceivers()[0].track;
},
function PC_LOCAL_REMOVE_VIDEO_TRACK(test) {
// The new track's pipeline will start with a packet count of
// 0, but the remote side will keep its old pipeline and packet
// count.
test.pcLocal.disableRtpCountChecking = true;
return test.pcLocal.removeSender(0);
},
function PC_LOCAL_ADD_VIDEO_TRACK(test) {
return test.pcLocal.getAllUserMediaAndAddStreams([{video: true}]);
},
],
[
function PC_REMOTE_WAIT_FOR_UNMUTE() {
return haveUnmuteEvent;
},
function PC_REMOTE_CHECK_ADDED_TRACK(test) {
is(test.pcRemote._pc.getTransceivers().length, 2,
"pcRemote should have two transceivers");
const track = test.pcRemote._pc.getTransceivers()[1].receiver.track;
const vAdded = test.pcRemote.remoteMediaElements.find(
elem => elem.id.includes(track.id));
return helper.checkVideoPlaying(vAdded);
},
function PC_REMOTE_WAIT_FOR_MUTE() {
return haveMuteEvent;
},
function PC_REMOTE_CHECK_REMOVED_TRACK(test) {
is(test.pcRemote._pc.getTransceivers().length, 2,
"pcRemote should have two transceivers");
const track = test.pcRemote._pc.getTransceivers()[0].receiver.track;
const vAdded = test.pcRemote.remoteMediaElements.find(
elem => elem.id.includes(track.id));
return helper.checkVideoPaused(vAdded, 10, 10, 16, 5000);
}
]
);
// The first track should mute when the connection is closed.
test.chain.insertBefore("PC_REMOTE_SET_REMOTE_DESCRIPTION", [
function PC_REMOTE_SETUP_ONMUTE(test) {
haveMuteEvent = haveEvent(test.pcRemote._pc.getReceivers()[0].track, "mute");
}
]);
// Second negotiation should cause the second track to unmute.
test.chain.insertAfter("PC_REMOTE_SET_REMOTE_DESCRIPTION", [
function PC_REMOTE_SETUP_ONUNMUTE(test) {
haveUnmuteEvent = haveEvent(test.pcRemote._pc.getReceivers()[1].track, "unmute");
}
], false, 1);
test.setMediaConstraints([{video: true}], [{video: true}]);
await test.run();
});
</script>
</pre>
</body>
</html>