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* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import FactoryMaker from '../../core/FactoryMaker.js';
import TimelineSegmentsGetter from '../utils/TimelineSegmentsGetter.js';
import TemplateSegmentsGetter from '../utils/TemplateSegmentsGetter.js';
import ListSegmentsGetter from '../utils/ListSegmentsGetter.js';
import SegmentBaseGetter from '../utils/SegmentBaseGetter.js';
function SegmentsController(config) {
config = config || {};
const context = this.context;
const dashConstants = config.dashConstants;
const type = config.type;
const segmentBaseController = config.segmentBaseController;
let instance,
getters;
function setup() {
getters = {};
}
function initialize(isDynamic) {
getters[dashConstants.SEGMENT_TIMELINE] = TimelineSegmentsGetter(context).create(config, isDynamic);
getters[dashConstants.SEGMENT_TEMPLATE] = TemplateSegmentsGetter(context).create(config, isDynamic);
getters[dashConstants.SEGMENT_LIST] = ListSegmentsGetter(context).create(config, isDynamic);
getters[dashConstants.SEGMENT_BASE] = SegmentBaseGetter(context).create(config, isDynamic);
}
function updateInitData(voRepresentation, hasInitialization) {
if (hasInitialization) {
return Promise.resolve();
}
return segmentBaseController.getSegmentBaseInitSegment({
representation: voRepresentation,
mediaType: type
});
}
function updateSegmentData(voRepresentation, hasSegments) {
if (hasSegments) {
return Promise.resolve();
}
return segmentBaseController.getSegmentList({
mimeType: voRepresentation.mimeType,
representation: voRepresentation,
mediaType: type
});
}
function getSegmentsGetter(representation) {
return representation ? representation.segments ? getters[dashConstants.SEGMENT_BASE] : getters[representation.segmentInfoType] : null;
}
function getSegmentByIndex(representation, indexWithoutStartNumber, subNumberOfPartialSegmentToRequest, lastSegment) {
const getter = getSegmentsGetter(representation);
if (!getter) {
return null;
}
if (representation.segmentInfoType) {
if (representation.segmentInfoType === dashConstants.SEGMENT_TIMELINE) {
return getter.getSegmentByIndex(representation, lastSegment)
} else if (representation.segmentInfoType === dashConstants.SEGMENT_TEMPLATE) {
return getter.getSegmentByIndex(representation, indexWithoutStartNumber, subNumberOfPartialSegmentToRequest);
} else {
return getter.getSegmentByIndex(representation, indexWithoutStartNumber);
}
}
return getter.getSegmentByIndex(representation, indexWithoutStartNumber);
}
function getSegmentByTime(representation, time) {
const getter = getSegmentsGetter(representation);
return getter ? getter.getSegmentByTime(representation, time) : null;
}
function getMediaFinishedInformation(representation) {
const getter = getSegmentsGetter(representation);
return getter ? getter.getMediaFinishedInformation(representation) : {
numberOfSegments: 0,
mediaTimeOfLastSignaledSegment: NaN
};
}
instance = {
initialize,
updateInitData,
updateSegmentData,
getSegmentByIndex,
getSegmentByTime,
getMediaFinishedInformation
};
setup();
return instance;
}
SegmentsController.__dashjs_factory_name = 'SegmentsController';
const factory = FactoryMaker.getClassFactory(SegmentsController);
export default factory;
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