rx-player
Version:
Canal+ HTML5 Video Player
52 lines (51 loc) • 2.25 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.
*/
import getDurationFromManifest from "./get_duration_from_manifest";
/**
* From given information about wanted metaplaylist and contents,
* get needed supplementary infos and build a standard metaplaylist.
* @param {Array.<Object>} contentsInfos
* @param {number|undefined} timeOffset
* @returns {Promise<Object>} - metaplaylist
*/
function createMetaplaylist(contentsInfos, timeOffset) {
const playlistStartTime = timeOffset !== null && timeOffset !== void 0 ? timeOffset : 0;
const completeContentsInfoProms = contentsInfos.map((contentInfos) => {
const { url, transport, duration } = contentInfos;
if (duration !== undefined) {
return Promise.resolve({ url, transport, duration });
}
return getDurationFromManifest(url, transport).then((manifestDuration) => {
return { url, duration: manifestDuration, transport };
});
});
return Promise.all(completeContentsInfoProms).then((completeContentsInfos) => {
const contents = completeContentsInfos.reduce((acc, val) => {
var _a;
const lastElement = acc[acc.length - 1];
const startTime = (_a = lastElement === null || lastElement === void 0 ? void 0 : lastElement.endTime) !== null && _a !== void 0 ? _a : playlistStartTime;
acc.push({
url: val.url,
transport: val.transport,
startTime,
endTime: startTime + val.duration,
});
return acc;
}, []);
return { type: "MPL", version: "0.1", dynamic: false, contents };
});
}
export default createMetaplaylist;