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69 lines
2.1 KiB
69 lines
2.1 KiB
var pc = null;
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function negotiate() {
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pc.addTransceiver('video', { direction: 'recvonly' });
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return pc.createOffer().then((offer) => {
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return pc.setLocalDescription(offer);
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}).then(() => {
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// wait for ICE gathering to complete
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return new Promise((resolve) => {
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if (pc.iceGatheringState === 'complete') {
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resolve();
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} else {
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const checkState = () => {
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if (pc.iceGatheringState === 'complete') {
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pc.removeEventListener('icegatheringstatechange', checkState);
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resolve();
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}
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};
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pc.addEventListener('icegatheringstatechange', checkState);
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}
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});
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}).then(() => {
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var offer = pc.localDescription;
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return fetch('/api/offer', {
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body: JSON.stringify({
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sdp: offer.sdp,
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type: offer.type,
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}),
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headers: {
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'Content-Type': 'application/json'
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},
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method: 'POST'
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});
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}).then((response) => {
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return response.json();
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}).then((answer) => {
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return pc.setRemoteDescription(answer);
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}).catch((e) => {
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alert(e);
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});
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}
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function start() {
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console.log('开始执行！');
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var config = {
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sdpSemantics: 'unified-plan'
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};
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//config.iceServers = [{ urls: ['stun:stun.voiparound.com'] }];
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pc = new RTCPeerConnection();
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pc.addEventListener('track', (evt) => {
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if (evt.track.kind == 'video') {
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//document.getElementById('video').srcObject = evt.streams[0];
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document.getElementById('u33_video').srcObject = evt.streams[0];
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}
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});
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negotiate();
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}
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function showView(){
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console.log('status:',document.getElementById('u33_video').paused)
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if (document.getElementById('u33_video').paused) {
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document.getElementById('u33_video').play().catch(error => {
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console.error('Error playing video:', error);
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});
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}
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}
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function getChannellist(){
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}
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