rx-player
Version:
Canal+ HTML5 Video Player
66 lines (65 loc) • 3.02 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = getMinimumPosition;
var log_1 = require("../../../log");
var get_first_time_from_adaptation_1 = require("./get_first_time_from_adaptation");
/**
* @param {Array.<Object>} periods
* @returns {number | undefined}
*/
function getMinimumPosition(periods) {
for (var i = 0; i <= periods.length - 1; i++) {
var periodAdaptations = periods[i].adaptations;
var firstAudioAdaptationFromPeriod = periodAdaptations.audio === undefined ? undefined : periodAdaptations.audio[0];
var firstVideoAdaptationFromPeriod = periodAdaptations.video === undefined ? undefined : periodAdaptations.video[0];
if (firstAudioAdaptationFromPeriod !== undefined ||
firstVideoAdaptationFromPeriod !== undefined) {
// null == no segment
var minimumAudioPosition = null;
var minimumVideoPosition = null;
if (firstAudioAdaptationFromPeriod !== undefined) {
var firstPosition = (0, get_first_time_from_adaptation_1.default)(firstAudioAdaptationFromPeriod);
if (firstPosition === undefined) {
return undefined;
}
minimumAudioPosition = firstPosition;
}
if (firstVideoAdaptationFromPeriod !== undefined) {
var firstPosition = (0, get_first_time_from_adaptation_1.default)(firstVideoAdaptationFromPeriod);
if (firstPosition === undefined) {
return undefined;
}
minimumVideoPosition = firstPosition;
}
if ((firstAudioAdaptationFromPeriod !== undefined && minimumAudioPosition === null) ||
(firstVideoAdaptationFromPeriod !== undefined && minimumVideoPosition === null)) {
log_1.default.info("utils", "found Period with no segment. ", "Going to next one to calculate first position");
return undefined;
}
if (minimumVideoPosition !== null) {
if (minimumAudioPosition !== null) {
return Math.max(minimumAudioPosition, minimumVideoPosition);
}
return minimumVideoPosition;
}
if (minimumAudioPosition !== null) {
return minimumAudioPosition;
}
}
}
}