Files
liveflow/index.html
2024-09-07 03:02:59 +09:00

125 lines
4.5 KiB
HTML

<html>
<!--
SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
SPDX-License-Identifier: MIT
-->
<head>
<title>whip-whep</title>
</head>
<body>
<button onclick="window.doWHIP()">Publish</button>
<button onclick="window.doWHEP()">Subscribe</button>
<!-- bearer token input -->
<input type="text" id="bearerToken" placeholder="Bearer Token" />
<h3> Video </h3>
<video id="videoPlayer" autoplay muted controls style="width: 500"> </video>
<h3> ICE Connection States </h3>
<div id="iceConnectionStates"></div> <br />
</body>
<script>
let peerConnection = new RTCPeerConnection()
peerConnection.oniceconnectionstatechange = () => {
let el = document.createElement('p')
el.appendChild(document.createTextNode(peerConnection.iceConnectionState))
document.getElementById('iceConnectionStates').appendChild(el);
}
window.doWHEP = () => {
peerConnection.addTransceiver('video', { direction: 'recvonly' })
peerConnection.addTransceiver('audio', { direction: 'recvonly' })
peerConnection.ontrack = function (event) {
document.getElementById('videoPlayer').srcObject = event.streams[0]
}
peerConnection.createOffer().then(offer => {
peerConnection.setLocalDescription(offer);
let bearerToken = document.getElementById('bearerToken').value;
fetch(`/whep`, {
method: 'POST',
body: offer.sdp,
headers: {
Authorization: `Bearer ${bearerToken}`,
'Content-Type': 'application/sdp'
}
}).then(r => r.text())
.then(answer => {
peerConnection.setRemoteDescription({
sdp: answer,
type: 'answer'
})
})
})
}
window.doWHIP = () => {
navigator.mediaDevices.getUserMedia({ video: true, audio: true })
.then(stream => {
document.getElementById('videoPlayer').srcObject = stream
stream.getTracks().forEach(track => {
let sender = peerConnection.addTrack(track, stream);
})
onChangeDefaultCodecs(peerConnection, "video/H264");
peerConnection.createOffer().then(offer => {
// Modify SDP to prefer VP8
// offer.sdp = offer.sdp.replace(
// /m=video\s(\d+)\s[A-Z/]+\s(\d+)/g,
// 'm=video $1 RTP/SAVPF 96\r\n' +
// 'a=rtpmap:96 VP8/90000\r\n'
// );
console.log("offer.sdp", offer.sdp);
peerConnection.setLocalDescription(offer);
let bearerToken = document.getElementById('bearerToken').value;
fetch(`/whip`, {
method: 'POST',
body: offer.sdp,
headers: {
Authorization: `Bearer ${bearerToken}`,
'Content-Type': 'application/sdp'
}
}).then(r => r.text())
.then(answer => {
peerConnection.setRemoteDescription({
sdp: answer,
type: 'answer'
})
})
})
})
}
function onChangeDefaultCodecs(pc, value) {
// 트랜시버 획득
// 0 : 오디오
// 1 : 비디오
const tcvr = pc.getTransceivers()[1];
// 현재 해당 브라우저에서 사용가능한 코덱종류
const codecs = RTCRtpReceiver.getCapabilities("video")?.codecs || [];
// 내가 새롭게 넣을 코덱 배열
const changeCodec = [];
console.log("codecs", codecs);
// 반복문을 돌면서 원하는 코덱의 이름 (예 : "video/H264")을 찾아 새롭게 넣을 코덱 배열에 추가
for (let i = 0; i < codecs.length; i++) {
if (codecs[i].mimeType === value) {
changeCodec.push(codecs[i]);
}
}
console.log(tcvr.setCodecPreferences);
if (tcvr.setCodecPreferences !== undefined) {
// 코덱 우선순위를 내가 새롭게 만든 배열로 설정해준다.
tcvr.setCodecPreferences(changeCodec);
}
};
</script>
</html>