mirror of
https://github.com/pion/webrtc.git
synced 2025-10-08 16:40:06 +08:00
82 lines
1.9 KiB
HTML
82 lines
1.9 KiB
HTML
<html>
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<!--
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SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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SPDX-License-Identifier: MIT
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-->
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<head>
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<title>play-from-disk-renegotiation</title>
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</head>
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<body>
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<button onclick="window.addVideo()"> Add Video </button><br />
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<button onclick="window.removeVideo()"> Remove Video </button><br />
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<h3> Video </h3>
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<div id="remoteVideos"></div> <br />
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<h3> Logs </h3>
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<div id="logs"></div>
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</body>
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<script>
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let activeVideos = 0
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let pc = new RTCPeerConnection({
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iceServers: [
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{
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urls: 'stun:stun.l.google.com:19302'
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}
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]
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})
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pc.ontrack = function (event) {
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var el = document.createElement(event.track.kind)
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el.srcObject = event.streams[0]
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el.autoplay = true
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el.controls = true
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event.track.onmute = function(event) {
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el.parentNode.removeChild(el);
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}
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document.getElementById('remoteVideos').appendChild(el)
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}
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let doSignaling = method => {
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pc.createOffer()
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.then(offer => {
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pc.setLocalDescription(offer)
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return fetch(`/${method}`, {
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method: 'post',
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headers: {
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'Accept': 'application/json, text/plain, */*',
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'Content-Type': 'application/json'
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},
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body: JSON.stringify(offer)
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})
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})
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.then(res => res.json())
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.then(res => pc.setRemoteDescription(res))
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.catch(alert)
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}
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// Create a noop DataChannel. By default PeerConnections do not connect
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// if they have no media tracks or DataChannels
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pc.createDataChannel('noop')
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doSignaling('createPeerConnection')
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window.addVideo = () => {
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if (pc.getTransceivers().length <= activeVideos) {
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pc.addTransceiver('video')
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activeVideos++
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}
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doSignaling('addVideo')
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};
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window.removeVideo = () => {
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doSignaling('removeVideo')
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};
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</script>
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</html>
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