Robot
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Roberto</title>
<!-- Bootstrap -->
<link href="{{ url_for('static', filename='css/bootstrap.min.css') }}" rel="stylesheet">
<style>
body {
background: black;
}
#stream, #textoverlay {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
width: 100%;
height: 100%;
}
#controls_l {
position: absolute;
bottom: 75px;
left: 0;
width: 40%;
height: 33%;
pointer-events: all;
}
#controls_r {
position: absolute;
bottom: 75px;
right: 0;
width: 40%;
height: 33%;
pointer-events: all;
}
p {
position: relative;
z-index: 1;
}
#message {
position: absolute;
z-index: 1;
top: 20px;
right: 50px
}
.stats-box {
position: absolute;
right: 20px;
top: 100px;
color: white;
opacity: 0.6;
z-index: 1;
}
#textoverlay, .stats-box {
pointer-events: none;
}
</style>
</head>
<body>
<h1>Video Streaming Demonstration</h1>
{# <!--<img src="{{ url_for('frontend.video_feed') }}">--> #}
<div id="video">
<video id="stream" autoplay playsinline muted controls>Your browser does not support video</video>
<canvas id="textoverlay"></canvas>
<div id="controls_l"></div>
<div id="controls_r"></div>
</div>
<form id="message" method="POST" action='#'>
<input type="text" name="message_data" id="message_data" placeholder="Message">
<input type="submit" value="Send">
</form>
<div class="stats-box"></div>
<!--<h2 id="start">Press a button on your controller to start</h2>-->
<!-- jQuery and Bootstrap -->
<script src="{{ url_for('static', filename='js/jquery.min.js') }}"></script>
<script src="{{ url_for('static', filename='js/bootstrap.min.js') }}"></script>
<script src="{{ url_for('static', filename='js/socket.io.js') }}"></script>
<!--<script type="text/javascript" src="https://webrtc.github.io/adapter/adapter-latest.js"></script>-->
<script src="{{ url_for('static', filename='js/nipplejs.js') }}"></script>
<script type="text/javascript">
'use strict';
var html5VideoElement;
var wsUrl = "wss://" + window.location.hostname + ":" + window.location.port + "/webrtc";
var socket = io.connect(wsUrl, { autoConnect: false, transports: [ 'websocket' ] });
var webrtcPeerConnection;
var webrtcConfiguration;
var reportError;
function onLocalDescription(desc) {
console.log("Local description: " + JSON.stringify(desc));
webrtcPeerConnection.setLocalDescription(desc).then(function() {
socket.emit('message', { "type": "sdp", "data": webrtcPeerConnection.localDescription });
}).catch(reportError);
}
function onIncomingSDP(sdp) {
console.log("Incoming SDP: " + JSON.stringify(sdp));
webrtcPeerConnection.setRemoteDescription(sdp).catch(reportError);
webrtcPeerConnection.createAnswer().then(onLocalDescription).catch(reportError);
}
function onIncomingICE(ice) {
var candidate = new RTCIceCandidate(ice);
console.log("Incoming ICE: " + JSON.stringify(ice));
webrtcPeerConnection.addIceCandidate(candidate).catch(reportError);
}
function onAddRemoteStream(event) {
html5VideoElement.srcObject = event.streams[0];
}
function onIceCandidate(event) {
if (event.candidate == null)
return;
console.log("Sending ICE candidate out: " + JSON.stringify(event.candidate));
socket.emit('message', { "type": "ice", "data": event.candidate });
}
socket.on('connect', function(){
console.log("Connected...!", socket.connected)
});
socket.on('message', (data) => {
console.log("got message: ",data);
var msg;
try {
msg = JSON.parse(data);
} catch (e) {
console.log("ERROR parsing message");
return;
}
if (!webrtcPeerConnection) {
webrtcPeerConnection = new RTCPeerConnection(webrtcConfiguration);
webrtcPeerConnection.ontrack = onAddRemoteStream;
webrtcPeerConnection.onicecandidate = onIceCandidate;
}
switch (msg.type) {
case "sdp": onIncomingSDP(msg.data); break;
case "ice": onIncomingICE(msg.data); break;
default: break;
}
});
socket.on('data', (data) => {
console.log('Data received: ',data);
});
socket.on('battery', (data) => {
console.log('Data received: ',data);
var canvas = document.getElementById("textoverlay");
var ctx = canvas.getContext("2d");
ctx.font = "14px Arial";
ctx.fillStyle = "blue";
ctx.fillText(data, 3*canvas.width/4, 30);
});
function playStream(videoElement, hostname, port, path, configuration, reportErrorCB) {
var l = window.location;
var wsHost = (hostname != undefined) ? hostname : l.hostname;
var wsPort = (port != undefined) ? port : l.port;
var wsPath = (path != undefined) ? path : "webrtc";
if (wsPort)
wsPort = ":" + wsPort;
var wsUrl = "wss://" + wsHost + wsPort + "/" + wsPath;
html5VideoElement = videoElement;
webrtcConfiguration = configuration;
reportError = (reportErrorCB != undefined) ? reportErrorCB : function(text) {};
socket.connect();
}
window.onload = function() {
var vidstream = document.getElementById("stream");
var config = { 'iceServers': [{ 'urls': 'stun:stun.l.google.com:19302' }] };
playStream(vidstream, null, null, null, config, function (errmsg) { console.error(errmsg); });
var canvas = document.getElementById("textoverlay");
var ctx = canvas.getContext("2d");
ctx.font = "24px Arial";
ctx.fillStyle = "blue";
//ctx.fillText("Hello World", canvas.width/3, 30);
$('form#message').submit(function(event) {
gp_socket.emit('text', {data: $('#message_data').val()});
$('#message_data').val("");
return false;
});
};
function getConnectionStats() {
if (webrtcPeerConnection) {
webrtcPeerConnection.getStats(null).then(stats => {
var statsOutput = "";
stats.forEach(report => {
if (report.type === "inbound-rtp" && report.kind === "video") {
Object.keys(report).forEach(statName => {
statsOutput += `<strong>${statName}:</strong> ${report[statName]}<br>\n`;
});
}
});
document.querySelector(".stats-box").innerHTML = statsOutput;
});
}
}
var statsInterval = window.setInterval(getConnectionStats, 1000);
setInterval(function(){
if (socket.connected) {
socket.emit('ping_message', { "type": "ping" });
}
}, 10000);
socket.on('ping_message', (data) => {
console.log('ping received: ',data);
});
</script>
<script src="{{ url_for('frontend.gamepad_js') }}"></script>
</body>
</html>