mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-17 16:26:39 +03:00
Joey Parrish
d481fdc7ec
The clock will be synced, when possible, to the server hosting the MPD. The synced clock will only be used in places where accurate time matters, such as in loggable player stats and in live streaming. Relates to #21 Change-Id: Id9da1cf23a781f2ce07a46e0936695d512a65133
69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
/**
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* Copyright 2014 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @fileoverview Implements an MPD request.
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*/
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goog.provide('shaka.dash.MpdRequest');
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goog.require('shaka.dash.mpd');
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goog.require('shaka.util.AjaxRequest');
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/**
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* Creates an MpdRequest.
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*
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* @param {string} url The URL.
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*
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* @struct
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* @constructor
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* @extends {shaka.util.AjaxRequest}
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*/
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shaka.dash.MpdRequest = function(url) {
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shaka.util.AjaxRequest.call(this, url);
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this.parameters.responseType = 'text';
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// The server delivering the DASH manifest is the only one that we should
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// be synchronizing our clock against, because the time parameters in the
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// DASH manifest are the only ones in this system which are sensitive to
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// getting out of sync. This is specifically true for live content.
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this.parameters.synchronizeClock = true;
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};
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goog.inherits(shaka.dash.MpdRequest, shaka.util.AjaxRequest);
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/**
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* Sends the MPD request.
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* @return {!Promise.<!shaka.dash.mpd.Mpd>}
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*/
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shaka.dash.MpdRequest.prototype.send = function() {
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var url = this.url;
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return this.sendInternal().then(
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/** @param {!XMLHttpRequest} xhr */
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function(xhr) {
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var mpd = shaka.dash.mpd.parseMpd(xhr.responseText, url);
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if (mpd) {
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return Promise.resolve(mpd);
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}
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var error = new Error('MPD parse failure.');
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error.type = 'mpd';
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return Promise.reject(error);
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}
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);
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};
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