我正在尝试使用 html5 和 javascript 构建视频会议，直到现在我能够流式传输我的相机捕获并将其显示在画布上
这是代码
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
<head>
<style>
nav .search {
display: none;
}
.demoFrame header,
.demoFrame .footer,
.demoFrame h1,
.demoFrame .p {
display: none !important;
}
h1 {
font-size: 2.6em;
}
h2, h3 {
font-size: 1.7em;
}
.left {
width: 920px !important;
padding-bottom: 40px;
min-height: auto !important;
padding-right: 0;
float: left;
}
div.p {
font-size: .8em;
font-family: arial;
margin-top: -20px;
font-style: italic;
padding: 10px 0;
}
.footer {
padding: 20px;
margin: 20px 0 0 0;
background: #f8f8f8;
font-weight: bold;
font-family: arial;
border-top: 1px solid #ccc;
}
.left > p:first-of-type {
background: #ffd987;
font-style: italic;
padding: 5px 10px;
margin-bottom: 40px;
}
.demoAds {
position: absolute;
top: 0;
right: 0;
width: 270px;
padding: 10px 0 0 10px;
background: #f8f8f8;
}
.demoAds a {
margin: 0 10px 10px 0 !important;
display: inline-block !important;
}
#promoNode {
margin: 20px 0;
}
@media only screen and (max-width : 1024px) {
.left {
float: none;
}
body .one .bsa_it_ad {
position: relative !important;
}
}
</style> <style>
video { border: 1px solid #ccc; display: block; margin: 0 0 20px 0; }
#canvas { margin-top: 20px; border: 1px solid #ccc; display: block; }
</style>
</head>
<body>
<!-- Add the HTML header -->
<div id="page">
<!-- holds content, will be frequently changed -->
<div id="contentHolder">
<!-- start the left section if not the homepage -->
<section class="left">
<!--
Ideally these elements aren't created until it's confirmed that the
client supports video/camera, but for the sake of illustrating the
elements involved, they are created with markup (not JavaScript)
-->
<video id="video" width="640" height="480" autoplay></video>
<button id="snap" class="sexyButton">Snap Photo</button>
<canvas id="canvas" width="640" height="480"></canvas>
<script>
// Put event listeners into place
window.addEventListener("DOMContentLoaded", function() {
// Grab elements, create settings, etc.
var canvas = document.getElementById("canvas"),
context = canvas.getContext("2d"),
video = document.getElementById("video"),
videoObj = { "video": true, "audio" : true },
errBack = function(error) {
console.log("Video capture error: ", error.code);
};
// Put video listeners into place
if(navigator.getUserMedia) { // Standard
navigator.getUserMedia(videoObj, function(stream) {
video.src = stream;
video.play();
}, errBack);
} else if(navigator.webkitGetUserMedia) { // WebKit-prefixed
navigator.webkitGetUserMedia(videoObj, function(stream){
video.src = window.webkitURL.createObjectURL(stream);
video.play();
}, errBack);
}
// Trigger photo take
document.getElementById("snap").addEventListener("click", function() {
context.drawImage(video, 0, 0, 640, 480);
});
}, false);
</script>
</section>
<style>
body .one .bsa_it_ad { background: #f8f8f8; border: none; font-family: inherit; width: 200px; position: absolute; top: 0; right: 0; text-align: center; border-radius: 8px; }
body .one .bsa_it_ad .bsa_it_i { display: block; padding: 0; float: none; margin: 0 0 5px; }
body .one .bsa_it_ad .bsa_it_i img { padding: 10px; border: none; margin: 0 auto; }
body .one .bsa_it_ad .bsa_it_t { padding: 6px 0; }
body .one .bsa_it_ad .bsa_it_d { padding: 0; font-size: 12px; color: #333; }
body .one .bsa_it_p { display: none; }
body #bsap_aplink, body #bsap_aplink:hover { display: block; font-size: 10px; margin: 12px 15px 0; text-align: right; }
</style>
</div>
</body>
</html>
现在我只想流式传输视频以在两个人之间召开会议，我知道我必须使用 webRTC 或 websocket，但我不知道如何开始为此编写代码。
任何帮助或建议都会非常有帮助。
