/**
* @license
* Copyright 2015 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
goog.provide('shaka.util.Clock');
/**
* @namespace shaka.util.Clock
* @summary A synchronizable clock.
*/
/**
* Sync the clock.
*
* @param {number} timestamp A timestamp in milliseconds which should be the
* current time.
*/
shaka.util.Clock.sync = function(timestamp) {
shaka.util.Clock.offset_ = timestamp - Date.now();
};
/**
* @return {number} The current time in milliseconds.
*/
shaka.util.Clock.now = function() {
return Date.now() + shaka.util.Clock.offset_;
};
/**
* @private {number} The clock offset in milliseconds.
*/
shaka.util.Clock.offset_ = 0;