rx-player
Version:
Canal+ HTML5 Video Player
40 lines (39 loc) • 1.69 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 = selectOptimalRepresentation;
var array_find_index_1 = require("../../../utils/array_find_index");
/**
* From the given array of Representations (sorted by bitrate order ascending),
* returns the one corresponding to the given optimal, minimum and maximum
* bitrates.
* @param {Array.<Object>} representations - The representations array,
* sorted in bitrate ascending order.
* @param {Number} wantedBitrate - The optimal bitrate the Representation
* should have under the current condition.
* @returns {Object|undefined}
*/
function selectOptimalRepresentation(representations, wantedBitrate) {
var firstIndexTooHigh = (0, array_find_index_1.default)(representations, function (representation) { return representation.bitrate > wantedBitrate; });
if (firstIndexTooHigh === -1) {
return representations[representations.length - 1];
}
else if (firstIndexTooHigh === 0) {
return representations[0];
}
return representations[firstIndexTooHigh - 1];
}