rx-player
Version:
Canal+ HTML5 Video Player
77 lines (76 loc) • 3.06 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 log from "../../../log";
import arrayIncludes from "../../../utils/array_includes";
/**
* Ensure that no two periods, adaptations from the same period and
* representations from the same adaptation, have the same ID.
*
* Log and mutate their ID if not until this is verified.
*
* @param {Object} manifest
*/
export default function checkManifestIDs(manifest) {
const periodIDS = [];
manifest.periods.forEach((period) => {
const periodID = period.id;
if (arrayIncludes(periodIDS, periodID)) {
log.warn("Two periods with the same ID found. Updating.");
const newID = periodID + "-dup";
period.id = newID;
checkManifestIDs(manifest);
periodIDS.push(newID);
}
else {
periodIDS.push(periodID);
}
const { adaptations } = period;
const adaptationIDs = [];
Object.keys(adaptations).forEach((type) => {
const adaptationsForType = adaptations[type];
if (adaptationsForType === undefined) {
return;
}
adaptationsForType.forEach((adaptation) => {
const adaptationID = adaptation.id;
if (arrayIncludes(adaptationIDs, adaptationID)) {
log.warn("Two adaptations with the same ID found. Updating.", adaptationID);
const newID = adaptationID + "-dup";
adaptation.id = newID;
checkManifestIDs(manifest);
adaptationIDs.push(newID);
}
else {
adaptationIDs.push(adaptationID);
}
const representationIDs = [];
adaptation.representations.forEach((representation) => {
const representationID = representation.id;
if (arrayIncludes(representationIDs, representationID)) {
log.warn("Two representations with the same ID found. Updating.", representationID);
const newID = `${representationID}-dup`;
representation.id = newID;
checkManifestIDs(manifest);
representationIDs.push(newID);
}
else {
representationIDs.push(representationID);
}
});
});
});
});
}