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Merge pull request #46 from fastfeee/debug-devices
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feat(index.html): add the getting supported devices features
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@a-wing
a-wing authored Oct 21, 2023
2 parents b0e5d87 + 5c70c0a commit 79afdc8
Showing 1 changed file with 315 additions and 62 deletions.
377 changes: 315 additions & 62 deletions assets/index.html
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Original file line number Diff line number Diff line change
@@ -1,71 +1,324 @@
ID: <input id="resource" type="text">
<button onclick="startWhip()"> WebRTC Start Whip</button>
<button onclick="startWhep()"> WebRTC Start Whep</button>
<br />
Bearer token: <input id="token" type="text">
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Live777</title>
<style>
html, body {
margin: 0;
padding: 0;
height: 100%;
}
body {
display: flex;
flex-direction: column;
}
#video {
height: 100%;
background: black;
flex-grow: 1;
min-height: 0;
}
#remoteVideos {
height: 100%;
flex-grow: 1;
min-height: 0;
margin: 0 auto;
}
#controls {
flex-shrink: 0;
display: flex;
align-items: center;
justify-content: center;
min-height: 200px;
padding: 10px;
}
#device {
flex-direction: column;
}
#device > div {
margin: 10px 0;
display: flex;
gap: 20px;
justify-content: center;
flex-wrap: wrap;
}
#device > div > div {
display: flex;
gap: 20px;
}
#error-message {
text-align: center;
}
select {
width: 200px;
}
</style>
</head>
<body>
<video id="video" muted controls autoplay playsinline></video>
<div id="remoteVideos" style="display: none;"></div>
<div id="controls">
<div id="initializing" style="display: block;">
initializing
</div>
<div id="device" style="display: none;">
<div id="device_line">
<div>
video device
<select id="video_device">
<option value="none">none</option>
</select>
</div>
<div>
audio device
<select id="audio_device">
<option value="none">none</option>
</select>
</div>
</div>

<div>
ID
<input id="resource" type="text">
Bearer token
<input id="token" type="text">
</div>
<div id="submit_line">
<button onclick="startWhip()"> WebRTC Start Whip</button>
<button onclick="startWhep()"> WebRTC Start Whep</button>
</div>
</div>
<div id="transmitting" style="display: none;">
publishing
</div>
<div id="error" style="display: none;">
<span id="error-message"></span>
</div>

</div>
<script src="whip.js"></script>
<script src="whep.js"></script>
<script>
// define four states
const INITIALIZING = 0;
const DEVICE = 1;
const TRANSMITTING = 2;
const ERROR = 3;

let state = INITIALIZING;
let errorMessage = '';

<br />
Video<br />
<div id="remoteVideos"></div> <br />
// display state
const render = () => {
for (const el of ['initializing', 'device', 'transmitting', 'error']) {
document.getElementById(el).style.display = 'none';
}

switch (state) {
case DEVICE:
document.getElementById('device').style.display = 'flex';
break;

case TRANSMITTING:
document.getElementById('transmitting').style.display = 'flex';
break;

case ERROR:
document.getElementById('error').style.display = 'flex';
document.getElementById('error-message').innerHTML = 'error: ' + errorMessage;
break;
}
};
// populateDevices
const populateDevices = () => {
return navigator.mediaDevices.enumerateDevices()
.then((devices) => {
for (const device of devices) {
switch (device.kind) {
case 'videoinput':
{
const opt = document.createElement('option');
opt.value = device.deviceId;
opt.text = device.label;
document.getElementById('video_device').appendChild(opt);
}
break;

case 'audioinput':
{
const opt = document.createElement('option');
opt.value = device.deviceId;
opt.text = device.label;
document.getElementById('audio_device').appendChild(opt);
}
break;
}
}

if (navigator.mediaDevices.getDisplayMedia !== undefined) {
const opt = document.createElement('option');
opt.value = "screen";
opt.text = "screen";
document.getElementById('video_device').appendChild(opt);
}

if (document.getElementById('video_device').children.length !== 0) {
document.getElementById('video_device').value = document.getElementById('video_device').children[1].value;
}

if (document.getElementById('audio_device').children.length !== 0) {
document.getElementById('audio_device').value = document.getElementById('audio_device').children[1].value;
}
});
};
// onPublish
const onPublish = () => {
state = TRANSMITTING;
render();

const videoId = document.getElementById('video_device').value;
const audioId = document.getElementById('audio_device').value;

if (videoId !== 'screen') {
let video = false;
if (videoId !== 'none') {
video = {
deviceId: videoId,
};
}

let audio = false;

if (audioId !== 'none') {
audio = {
deviceId: audioId,
};

// const voice = document.getElementById('audio_voice').checked;
// if (!voice) {
// audio.autoGainControl = false;
// audio.echoCancellation = false;
// audio.noiseSuppression = false;
// }
}

navigator.mediaDevices.getUserMedia({ video, audio })
.then(onTransmit)
.catch((err) => {
state = ERROR;
errorMessage = err.toString();
render();
});
} else {
navigator.mediaDevices.getDisplayMedia({
video: {
width: { ideal: 1920 },
height: { ideal: 1080 },
frameRate: { ideal: 30 },
cursor: "always",
},
audio: false,
})
.then(onTransmit)
.catch((err) => {
state = ERROR;
errorMessage = err.toString();
render();
});
}
};
// onTransmit
const onTransmit = (stream) => {
document.getElementById('video').srcObject = stream;
const resource = document.getElementById("resource").value;
const pc = new RTCPeerConnection();
pc.addTransceiver(stream.getVideoTracks()[0], {
direction: 'sendonly',
// sendEncodings: [
// { rid: 'a', scaleResolutionDownBy: 2.0 },
// { rid: 'b', scaleResolutionDownBy: 1.0, },
// { rid: 'c' }
// ]
});
const whip = new WHIPClient();
const url = location.origin + "/whip/" + resource;
const token = document.getElementById("token").value;
whip.publish(pc, url, token);
};
// initialize
const initialize = () => {
if (navigator.mediaDevices === undefined) {
state = ERROR;
errorMessage = 'can\'t access webcams or microphones. Make sure that WebRTC encryption is enabled.';
render();
return;
}

navigator.mediaDevices.getUserMedia({ video: true, audio: true })
.then(() => Promise.all([
populateDevices(),
]))
.then(() => {
state = DEVICE;
render();
})
.catch((err) => {
state = ERROR;
errorMessage = err.toString();
render();
});
};

Logs<br />
<div id="div"></div>
<script src="whip.js"></script>
<script src="whep.js"></script>

<script>
async function startWhip() {
const resource = document.getElementById("resource").value;
if (!resource) {
alert("input resource")
return
}
const stream = await navigator.mediaDevices.getDisplayMedia({ audio: false, video: true })
const pc = new RTCPeerConnection();
pc.addTransceiver(stream.getVideoTracks()[0], {
direction: 'sendonly',
sendEncodings: [
{ rid: 'a', scaleResolutionDownBy: 2.0 },
{ rid: 'b', scaleResolutionDownBy: 1.0, },
{ rid: 'c' }
]
});
const whip = new WHIPClient();
const url = location.origin + "/whip/" + resource;
const token = document.getElementById("token").value;
whip.publish(pc, url, token);
}
async function startWhip() {
const resource = document.getElementById("resource").value;
if (!resource) {
alert("input resource")
return
}

async function startWhep() {
const resource = document.getElementById("resource").value;
if (!resource) {
alert("input resource")
return
onPublish();
}
const pc = window.pc = new RTCPeerConnection();
pc.addTransceiver('video', { 'direction': 'recvonly' })
pc.addTransceiver('audio', { 'direction': 'recvonly' })
pc.ontrack = (event) => {
console.log(event)
if (event.track.kind == "video") {
var el = document.createElement(event.track.kind)
el.srcObject = event.streams[0]
el.autoplay = true
el.controls = true
document.getElementById('remoteVideos').appendChild(el)

async function startWhep() {
document.getElementById('video').style.display = 'none';
document.getElementById('remoteVideos').style.display = 'block';
const resource = document.getElementById("resource").value;
if (!resource) {
alert("input resource")
return
}
if (event.track.kind == "audio") {
var el = document.createElement(event.track.kind)
el.srcObject = event.streams[0]
el.autoplay = true
el.controls = true
document.getElementById('remoteVideos').appendChild(el)
const pc = window.pc = new RTCPeerConnection();
pc.addTransceiver('video', { 'direction': 'recvonly' })
pc.addTransceiver('audio', { 'direction': 'recvonly' })
pc.ontrack = (event) => {
console.log(event)
if (event.track.kind == "video") {
var el = document.createElement(event.track.kind)
el.srcObject = event.streams[0]
el.autoplay = true
el.controls = true
el.style.height = "100%"
document.getElementById('remoteVideos').appendChild(el)
}
// if (event.track.kind == "audio") {
// var el = document.createElement(event.track.kind)
// el.srcObject = event.streams[0]
// el.autoplay = true
// el.controls = true
// document.getElementById('remoteVideos').appendChild(el)
// }
}
const whep = new WHEPClient();
const url = location.origin + "/whep/" + resource;
const token = document.getElementById("token").value;
whep.view(pc, url, token);
}
const whep = new WHEPClient();
const url = location.origin + "/whep/" + resource;
const token = document.getElementById("token").value;
whep.view(pc, url, token);
}

</script>
initialize();

</script>
</body>
</html>

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