metamaps--metamaps/app/assets/javascripts/lib/attachMediaStream.js

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2015-09-19 16:02:05 +00:00
var attachMediaStream = function (stream, el, options) {
var URL = window.URL;
var opts = {
autoplay: true,
mirror: false,
muted: false
};
var element = el || document.createElement('video');
var item;
if (options) {
for (item in options) {
opts[item] = options[item];
}
}
if (opts.autoplay) element.autoplay = 'autoplay';
if (opts.muted) element.muted = true;
if (opts.mirror) {
['', 'moz', 'webkit', 'o', 'ms'].forEach(function (prefix) {
var styleName = prefix ? prefix + 'Transform' : 'transform';
element.style[styleName] = 'scaleX(-1)';
});
}
// this first one should work most everywhere now
// but we have a few fallbacks just in case.
if (URL && URL.createObjectURL) {
element.src = URL.createObjectURL(stream);
} else if (element.srcObject) {
element.srcObject = stream;
} else if (element.mozSrcObject) {
element.mozSrcObject = stream;
} else {
return false;
}
return element;
};