rx-player
Version:
Canal+ HTML5 Video Player
70 lines (69 loc) • 2.67 kB
JavaScript
;
/**
* Copyright 2015 CANAL+ Group
*
* 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.
*/
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = getFirstPositionFromAdaptation;
/**
* Returns "first time of reference" from the adaptation given, considering a
* dynamic content.
* Undefined if a time could not be found.
*
* We consider the latest first time from every representations in the given
* adaptation.
* @param {Object} adaptation
* @returns {Number|undefined}
*/
function getFirstPositionFromAdaptation(adaptation) {
var e_1, _a;
var representations = adaptation.representations;
var max = null;
try {
for (var representations_1 = __values(representations), representations_1_1 = representations_1.next(); !representations_1_1.done; representations_1_1 = representations_1.next()) {
var representation = representations_1_1.value;
var firstPosition = representation.index.getFirstAvailablePosition();
if (firstPosition === undefined) {
// we cannot tell
return undefined;
}
if (firstPosition !== null) {
max = max === null ? firstPosition : Math.max(max, firstPosition);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (representations_1_1 && !representations_1_1.done && (_a = representations_1.return)) _a.call(representations_1);
}
finally { if (e_1) throw e_1.error; }
}
if (max === null) {
// It means that all positions were null === no segments (yet?)
return null;
}
return max;
}