WebRTC getUserMedia承诺在Chrome中支持api

sth*_*tfo 4 google-chrome webrtc getusermedia

chrome是否支持WebRTC的基于承诺的API?我无法让基于getUserMedia()承诺的API在Chrome中运行.

<!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>
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在控制台上,我看到以下错误

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.
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我想利用基于promise的API.我错过了什么吗?

jib*_*jib 12

它尚未在Chrome中实现,但如果您使用官方的adapter.js WebRTC polyfill,它可以在那里使用:https://jsfiddle.net/srn9db4h/

var constraints = { video: true, audio: true };

navigator.mediaDevices.getUserMedia(constraints)
  .then(stream => video.srcObject = stream)
  .catch(e => console.error(e));
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Firefox和Edge本身支持FWIW.

更新: Chrome(50)似乎现在支持此功能.Chrome 52甚至支持srcObject.