Attachment 357667 Details for Bug 192848 – Script that reproduces the issue. Just run it in Safari 12.1 console with "Unified-Plan" enabled.

Script that reproduces the issue. Just run it in Safari 12.1 console with "Unified-Plan" enabled.

sender-setParameters-fails.js (text/javascript), 1.37 KB, created by Iñaki Baz on 2018-12-19 04:51:03 PST

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Description:

Filename:

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Creator: Iñaki Baz

Created: 2018-12-19 04:51:03 PST

Size: 1.37 KB

patch

obsolete

>let pc1;
>let pc2;
>
>async function run()
>{
>	const stream = await navigator.mediaDevices.getUserMedia({ video: true });
>	const videoTrack = stream.getVideoTracks()[0];
>
>	pc1 = new RTCPeerConnection(
>		{
>			iceServers    : [],
>			bundlePolicy  : 'max-bundle',
>			rtcpMuxPolicy : 'require',
>			sdpSemantics  : 'unified-plan' // Not needed in Safari
>		});
>
>	pc2 = new RTCPeerConnection(
>		{
>			iceServers    : [],
>			bundlePolicy  : 'max-bundle',
>			rtcpMuxPolicy : 'require',
>			sdpSemantics  : 'unified-plan' // Not needed in Safari
>		});
>
>	console.warn('pc1: adding video track 1');
>
>	const transceiver = await pc1.addTransceiver(videoTrack, { direction: 'sendonly' });
>
>	await negotiateSdps();
>
>	const rtpSender = transceiver.sender;
>	const parameters = rtpSender.getParameters();
>
>	console.warn('rtpSender: sending encodings:', parameters.encodings);
>
>	console.warn('rtpSender: setting encoding.active = false');
>
>	parameters.encodings[0].active = false;
>
>	console.warn('rtpSender: calling setParameters()');
>
>	await rtpSender.setParameters(parameters);
>}
>
>async function negotiateSdps()
>{
>	let offer = await pc1.createOffer();
>
>	await pc1.setLocalDescription(offer);
>
>	offer = pc1.localDescription;
>	await pc2.setRemoteDescription(offer);
>
>	let answer = await pc2.createAnswer();
>
>	await pc2.setLocalDescription(answer);
>
>	answer = pc2.localDescription;
>	await pc1.setRemoteDescription(answer);
>}
>
>run();

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Attachments on bug 192848: 357667 | 358001