73 lines
1.5 KiB
JavaScript
73 lines
1.5 KiB
JavaScript
JSMpeg.Source.Ajax = (function(){ "use strict";
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var AjaxSource = function(url, options) {
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this.url = url;
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this.destination = null;
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this.request = null;
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this.streaming = false;
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this.completed = false;
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this.established = false;
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this.progress = 0;
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this.onEstablishedCallback = options.onSourceEstablished;
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this.onCompletedCallback = options.onSourceCompleted;
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};
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AjaxSource.prototype.connect = function(destination) {
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this.destination = destination;
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};
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AjaxSource.prototype.start = function() {
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this.request = new XMLHttpRequest();
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this.request.onreadystatechange = function() {
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if (
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this.request.readyState === this.request.DONE &&
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this.request.status === 200
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) {
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this.onLoad(this.request.response);
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}
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}.bind(this);
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this.request.onprogress = this.onProgress.bind(this);
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this.request.open('GET', this.url);
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this.request.responseType = "arraybuffer";
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this.request.send();
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};
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AjaxSource.prototype.resume = function(secondsHeadroom) {
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// Nothing to do here
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};
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AjaxSource.prototype.destroy = function() {
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this.request.abort();
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};
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AjaxSource.prototype.onProgress = function(ev) {
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this.progress = (ev.loaded / ev.total);
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};
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AjaxSource.prototype.onLoad = function(data) {
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this.established = true;
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this.completed = true;
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this.progress = 1;
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if (this.onEstablishedCallback) {
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this.onEstablishedCallback(this);
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}
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if (this.onCompletedCallback) {
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this.onCompletedCallback(this);
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}
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if (this.destination) {
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this.destination.write(data);
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}
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};
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return AjaxSource;
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})();
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