Alexey Khit
107 lines
3.4 KiB
HTML
107 lines
3.4 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
<title>go2rtc - WebRTC</title>
|
|
<style>
|
|
body {
|
|
background-color: black;
|
|
margin: 0;
|
|
padding: 0;
|
|
}
|
|
|
|
html, body, video {
|
|
height: 100%;
|
|
width: 100%;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<video id="video" autoplay controls playsinline muted></video>
|
|
<script>
|
|
async function PeerConnection(media) {
|
|
const pc = new RTCPeerConnection({
|
|
iceServers: [{urls: 'stun:stun.l.google.com:19302'}]
|
|
})
|
|
|
|
const localTracks = []
|
|
|
|
if (/camera|microphone/.test(media)) {
|
|
const tracks = await getMediaTracks('user', {
|
|
video: media.indexOf('camera') >= 0,
|
|
audio: media.indexOf('microphone') >= 0,
|
|
})
|
|
tracks.forEach(track => {
|
|
pc.addTransceiver(track, {direction: 'sendonly'})
|
|
if (track.kind === 'video') localTracks.push(track)
|
|
})
|
|
}
|
|
|
|
if (media.indexOf('display') >= 0) {
|
|
const tracks = await getMediaTracks('display', {
|
|
video: true,
|
|
audio: media.indexOf('speaker') >= 0,
|
|
})
|
|
tracks.forEach(track => {
|
|
pc.addTransceiver(track, {direction: 'sendonly'})
|
|
if (track.kind === 'video') localTracks.push(track)
|
|
})
|
|
}
|
|
|
|
if (/video|audio/.test(media)) {
|
|
const tracks = ['video', 'audio']
|
|
.filter(kind => media.indexOf(kind) >= 0)
|
|
.map(kind => pc.addTransceiver(kind, {direction: 'recvonly'}).receiver.track)
|
|
localTracks.push(...tracks)
|
|
}
|
|
|
|
document.getElementById('video').srcObject = new MediaStream(localTracks)
|
|
|
|
return pc
|
|
}
|
|
|
|
async function getMediaTracks(media, constraints) {
|
|
try {
|
|
const stream = media === 'user'
|
|
? await navigator.mediaDevices.getUserMedia(constraints)
|
|
: await navigator.mediaDevices.getDisplayMedia(constraints)
|
|
return stream.getTracks()
|
|
} catch (e) {
|
|
console.warn(e)
|
|
return []
|
|
}
|
|
}
|
|
|
|
async function connect(media) {
|
|
const pc = await PeerConnection(media)
|
|
const url = new URL('api/ws' + location.search, location.href)
|
|
const ws = new WebSocket('ws' + url.toString().substring(4))
|
|
|
|
ws.addEventListener('open', () => {
|
|
pc.addEventListener('icecandidate', ev => {
|
|
if (!ev.candidate) return
|
|
const msg = {type: 'webrtc/candidate', value: ev.candidate.candidate}
|
|
ws.send(JSON.stringify(msg))
|
|
})
|
|
|
|
pc.createOffer().then(offer => pc.setLocalDescription(offer)).then(() => {
|
|
const msg = {type: 'webrtc/offer', value: pc.localDescription.sdp}
|
|
ws.send(JSON.stringify(msg))
|
|
})
|
|
})
|
|
|
|
ws.addEventListener('message', ev => {
|
|
const msg = JSON.parse(ev.data)
|
|
if (msg.type === 'webrtc/candidate') {
|
|
pc.addIceCandidate({candidate: msg.value, sdpMid: '0'})
|
|
} else if (msg.type === 'webrtc/answer') {
|
|
pc.setRemoteDescription({type: 'answer', sdp: msg.value})
|
|
}
|
|
})
|
|
}
|
|
|
|
const media = new URLSearchParams(location.search).get('media')
|
|
connect(media || 'video+audio')
|
|
</script>
|
|
</body>
|
|
</html> |