WebRTC getUserMedia承诺在Chrome中支持API [英] WebRTC getUserMedia promise api support in Chrome
问题描述
Chrome支持基于WebRTC的API吗？我无法获得在Chrome中使用getUserMedia（）承诺的API。
<！DOCTYPE html>
< html>
< head>
< title> Mitel WebRTC客户端< / title>
< script src =https://webrtc.github.io/adapter/adapter-latest.js>< / script>
< script src ='dist / webrtc.min.js'>< / script>
< script type =text / javascript>
函数startUp（）{
var options = {
audio：true，
video：true
};
if（getUserMedia）{
getUserMedia（options）
.then（function（stream）{
console.log（Acquired audio and video！）;
}）
.catch（function（err）{
console.log（err.name +：+ err.message）;
}）;
} else {
alert（这个浏览器不支持WebRTC）;
}
}
< / script>
< / head>
< body onload =startUp（）;>
< h1> WebRTC Promise API客户端应用程序< / h1>
< / body>
< / html>
在控制台上，我看到以下错误：
这似乎是Chrome
adapter-latest.js：32 chrome：{audio：true，video：true}
adapter-latest .js：410 Uncaught TypeError：未能在'Navigator'上执行'webkitGetUserMedia'：作为参数2提供的回调不是函数。
我想使用基于promise的API。我错过了什么？
它尚未在Chrome中实现，但它在那里工作，如果您使用官方 adapter.js WebRTC填充： https://jsfiddle.net/srn9db4h/
var constraints = {video：true，audio ：true};
navigator.mediaDevices.getUserMedia（constraints）
.then（stream => video.srcObject = stream）
.catch（e => console.error（e） ）;
Firefox和Edge本身支持FWIW。
更新： Chrome（50）现在似乎支持此功能。 Chrome 52甚至支持 srcObject 。
Does chrome support promise based APIs for WebRTC? I am not able to get the getUserMedia() promised based API working in Chrome.
<!DOCTYPE html>
<html>
<head>
<title> Mitel WebRTC client </title>
<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script src='dist/webrtc.min.js'></script>
<script type="text/javascript">
function startUp() {
var options = {
audio: true,
video: true
};
if (getUserMedia) {
getUserMedia(options)
.then(function (stream) {
console.log("Acquired audio and video!");
})
.catch(function (err) {
console.log(err.name + ": " + err.message);
});
} else {
alert("WebRTC not supported on this browser");
}
}
</script>
</head>
<body onload="startUp();">
<h1>WebRTC Promise API Client Application</h1>
</body>
</html>
On the console, I see the following error
This appears to be Chrome
adapter-latest.js:32 chrome: {"audio":true,"video":true}
adapter-latest.js:410 Uncaught TypeError: Failed to execute 'webkitGetUserMedia' on 'Navigator': The callback provided as parameter 2 is not a function.
I want to make use of promise based API. Am I missing something?
It is not implemented yet in Chrome, but it works there if you use the official adapter.js WebRTC polyfill: https://jsfiddle.net/srn9db4h/
var constraints = { video: true, audio: true };
navigator.mediaDevices.getUserMedia(constraints)
.then(stream => video.srcObject = stream)
.catch(e => console.error(e));
Firefox and Edge support it natively FWIW.
Update: Chrome (50) appears to support this now. And Chrome 52 even supports srcObject.
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