dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
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href="MediaPlayerEvents.html#event:BUFFER_LEVEL_UPDATED">BUFFER_LEVEL_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BUFFER_LOADED">BUFFER_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY">CAN_PLAY</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY_THROUGH">CAN_PLAY_THROUGH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_CONTAINER_RESIZE">CAPTION_CONTAINER_RESIZE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_RENDERED">CAPTION_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONFORMANCE_VIOLATION">CONFORMANCE_VIOLATION</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONTENT_STEERING_REQUEST_COMPLETED">CONTENT_STEERING_REQUEST_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_ADDED">DVB_FONT_DOWNLOAD_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_COMPLETE">DVB_FONT_DOWNLOAD_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_FAILED">DVB_FONT_DOWNLOAD_FAILED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DYNAMIC_TO_STATIC">DYNAMIC_TO_STATIC</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:ERROR">ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_RECEIVE">EVENT_MODE_ON_RECEIVE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_START">EVENT_MODE_ON_START</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_ABANDONED">FRAGMENT_LOADING_ABANDONED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_COMPLETED">FRAGMENT_LOADING_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_PROGRESS">FRAGMENT_LOADING_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_STARTED">FRAGMENT_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:INBAND_PRFT">INBAND_PRFT</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:LOG">LOG</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADED">MANIFEST_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_FINISHED">MANIFEST_LOADING_FINISHED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_STARTED">MANIFEST_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_VALIDITY_CHANGED">MANIFEST_VALIDITY_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_ADDED">METRIC_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_CHANGED">METRIC_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_UPDATED">METRIC_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRICS_CHANGED">METRICS_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_COMPLETED">PERIOD_SWITCH_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_STARTED">PERIOD_SWITCH_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ENDED">PLAYBACK_ENDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ERROR">PLAYBACK_ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_LOADED_DATA">PLAYBACK_LOADED_DATA</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_METADATA_LOADED">PLAYBACK_METADATA_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_NOT_ALLOWED">PLAYBACK_NOT_ALLOWED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PAUSED">PLAYBACK_PAUSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PLAYING">PLAYBACK_PLAYING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PROGRESS">PLAYBACK_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_RATE_CHANGED">PLAYBACK_RATE_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKED">PLAYBACK_SEEKED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKING">PLAYBACK_SEEKING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STALLED">PLAYBACK_STALLED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STARTED">PLAYBACK_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_TIME_UPDATED">PLAYBACK_TIME_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_VOLUME_CHANGED">PLAYBACK_VOLUME_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_WAITING">PLAYBACK_WAITING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_RENDERED">QUALITY_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_REQUESTED">QUALITY_CHANGE_REQUESTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:REPRESENTATION_SWITCH">REPRESENTATION_SWITCH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_ACTIVATED">STREAM_ACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_DEACTIVATED">STREAM_DEACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZED">STREAM_INITIALIZED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZING">STREAM_INITIALIZING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_TEARDOWN_COMPLETE">STREAM_TEARDOWN_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_UPDATED">STREAM_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACK_ADDED">TEXT_TRACK_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACKS_ADDED">TEXT_TRACKS_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:THROUGHPUT_MEASUREMENT_STORED">THROUGHPUT_MEASUREMENT_STORED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TRACK_CHANGE_RENDERED">TRACK_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_PARSED">TTML_PARSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_TO_PARSE">TTML_TO_PARSE</a></div><div class="sidebar-section-children"><a href="MetricsReportingEvents.html#event:CMCD_DATA_GENERATED">CMCD_DATA_GENERATED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_FINISHED">OFFLINE_RECORD_FINISHED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_LOADEDMETADATA">OFFLINE_RECORD_LOADEDMETADATA</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STARTED">OFFLINE_RECORD_STARTED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STOPPED">OFFLINE_RECORD_STOPPED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ADDED">KEY_ADDED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ERROR">KEY_ERROR</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_MESSAGE">KEY_MESSAGE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CLOSED">KEY_SESSION_CLOSED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CREATED">KEY_SESSION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_REMOVED">KEY_SESSION_REMOVED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_STATUSES_CHANGED">KEY_STATUSES_CHANGED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_ACCESS_COMPLETE">KEY_SYSTEM_ACCESS_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_SELECTED">KEY_SYSTEM_SELECTED</a></div><div 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class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"></div><div class="navbar-right-items"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#dark-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">offline_utils_OfflineIndexDBManifestParser.js</h1></header><article><pre class="prettyprint source lang-js"><code>/**
* 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.
*/
/**
* @ignore
*/
const Entities = require('html-entities').XmlEntities;
const OFFLINE_BASE_URL = 'offline_indexeddb://';
function OfflineIndexDBManifestParser(config) {
const manifestId = config.manifestId;
const allMediaInfos = config.allMediaInfos;
const urlUtils = config.urlUtils;
const debug = config.debug;
const dashConstants = config.dashConstants;
const constants = config.constants;
let instance,
DOM,
logger;
function setup() {
logger = debug.getLogger(instance);
}
/**
* Parse XML manifest
* @param {string} XMLDoc - xml manifest
* @param {object} representation
* @returns {Promise} a promise that will be resolved or rejected at the end of encoding process
* @instance
*/
function parse(XMLDoc, representation) {
return new Promise(function (resolve, reject) {
DOM = new DOMParser().parseFromString(XMLDoc, 'application/xml');
let mpd = DOM.getElementsByTagName(dashConstants.MPD) ? DOM.getElementsByTagName(dashConstants.MPD) : null;
for (let i = 0; i < mpd.length; i++) {
if (mpd[i] !== null) {
editBaseURLAttribute(mpd[i]);
browsePeriods(mpd[i], representation);
}
}
let manifestEncoded = encodeManifest(DOM);
if (manifestEncoded !== '') {
resolve(manifestEncoded);
} else {
reject('Encoded error');
}
});
}
/**
* URL encode parsed manifest
* @param {string} DOM
* @returns {string} Url encoded XML
* @instance
*/
function encodeManifest(DOM) {
logger.info('encodedManifest ' + new XMLSerializer().serializeToString(DOM));
return new Entities().encode(new XMLSerializer().serializeToString(DOM));
}
/**
* Update baseURL to point to local stored data P
* @param {XML} currentMPD
* @instance
*/
function editBaseURLAttribute(currentMPD) {
let basesURL,
fragmentId,
representationId;
let url = `${OFFLINE_BASE_URL}${manifestId}/`;
basesURL = currentMPD.getElementsByTagName(dashConstants.BASE_URL);
if (basesURL.length === 0) {
// add baseURL
let element = DOM.createElement(dashConstants.BASE_URL);
element.innerHTML = url;
currentMPD.appendChild(element);
}
basesURL = currentMPD.getElementsByTagName(dashConstants.BASE_URL);
for (let i = 0; i < basesURL.length; i++) {
let parent = basesURL[i].parentNode;
if (parent.nodeName === dashConstants.MPD) {
basesURL[i].innerHTML = url;
} else if (parent.nodeName === dashConstants.REPRESENTATION) {
let adaptationsSet = parent.parentNode;
if (adaptationsSet.nodeName == dashConstants.ADAPTATION_SET) {
if (urlUtils.isHTTPS(basesURL[i].innerHTML) || urlUtils.isHTTPURL(basesURL[i].innerHTML)) {
fragmentId = getFragmentId(basesURL[i].innerHTML);
representationId = getBestRepresentationId(adaptationsSet);
basesURL[i].innerHTML = url + representationId + '_' + fragmentId;
} else if (basesURL[i].innerHTML === './') {
basesURL[i].innerHTML = url;
} else {
fragmentId = getFragmentId(basesURL[i].innerHTML);
representationId = getBestRepresentationId(adaptationsSet);
basesURL[i].innerHTML = representationId + '_' + fragmentId;
}
}
} else {
basesURL[i].innerHTML = url;
}
}
}
/**
* Browse periods
* @param {XML} currentMPD
* @param {Object} representation
* @instance
*/
function browsePeriods(currentMPD, representation) {
let periods = currentMPD.getElementsByTagName(dashConstants.PERIOD);
for (let j = 0; j < periods.length; j++) {
browseAdaptationsSet(periods[j], representation);
}
}
/**
* Browse adapatation set to update data (delete those taht are not choosen by user ...)
* @param {XML} currentPeriod
* @param {Array} representationsToUpdate
* @instance
*/
function browseAdaptationsSet(currentPeriod, representationsToUpdate) {
let adaptationsSet,
currentAdaptationSet,
currentAdaptationType,
representations;
adaptationsSet = currentPeriod.getElementsByTagName(dashConstants.ADAPTATION_SET);
for (let i = adaptationsSet.length - 1; i >= 0; i--) {
currentAdaptationSet = adaptationsSet[i];
if (currentAdaptationSet) {
currentAdaptationType = findAdaptationType(currentAdaptationSet);
representations = findRepresentations(currentAdaptationSet);
findAndKeepOnlySelectedRepresentations(currentAdaptationSet, representations, currentAdaptationType);
representations = findRepresentations(currentAdaptationSet);
deleteSegmentBase(currentAdaptationSet);
if (representations.length === 0) {
currentPeriod.removeChild(currentAdaptationSet);
} else {
//detect Segment list use case
for (let i = 0; i < representations.length; i++) {
let rep = representations[i];
let segmentList = getSegmentList(rep);
if (segmentList.length >= 1) {
editSegmentListAttributes(segmentList, rep);
}
}
let segmentTemplate = getSegmentTemplate(currentAdaptationSet);
// segmentTemplate is defined, update attributes in order to be correctly played offline
if (segmentTemplate.length >= 1) {
editSegmentTemplateAttributes(segmentTemplate);
}
// detect SegmentBase use case => transfrom manifest to SegmentList in SegmentTemplate
if (representationsToUpdate && representationsToUpdate.length > 0 ) {
let selectedRep;
for (let i = 0; i < representations.length; i++) {
let rep = representations[i];
for (let j = 0; representationsToUpdate && j < representationsToUpdate.length; j++) {
if (representationsToUpdate[j].id === rep.id) {
selectedRep = representationsToUpdate[j];
break;
}
}
}
addSegmentTemplateAttributes(currentAdaptationSet, selectedRep);
}
}
}
}
}
/**
* Returns type of adapation set
* @param {XML} currentAdaptationSet
* @returns {string|null} type
* @instance
*/
function findAdaptationType(currentAdaptationSet) {
if (getIsMuxed(currentAdaptationSet)) {
return constants.MUXED;
} else if (getIsAudio(currentAdaptationSet)) {
return constants.AUDIO;
} else if (getIsVideo(currentAdaptationSet)) {
return constants.VIDEO;
} else if (getIsText(currentAdaptationSet)) {
return constants.TEXT;
} else if (getIsImage(currentAdaptationSet)) {
return constants.IMAGE;
}
return null;
}
function getIsAudio(adaptation) {
return getIsTypeOf(adaptation, constants.AUDIO);
}
function getIsVideo(adaptation) {
return getIsTypeOf(adaptation, constants.VIDEO);
}
function getIsText(adaptation) {
return getIsTypeOf(adaptation, constants.TEXT);
}
function getIsMuxed(adaptation) {
return getIsTypeOf(adaptation, constants.MUXED);
}
function getIsImage(adaptation) {
return getIsTypeOf(adaptation, constants.IMAGE);
}
// based upon DashManifestModel, but using DomParser
function getIsTypeOf(adaptation, type) {
if (!adaptation) {
throw new Error('adaptation is not defined');
}
if (!type) {
throw new Error('type is not defined');
}
return testMimeType(adaptation, type);
}
function testMimeType(adaptation, type) {
let mimeTypeRegEx = (type !== constants.TEXT) ? new RegExp(type) : new RegExp('(vtt|ttml)');
let mimeType = findMimeType(adaptation);
if (mimeType) {
return mimeTypeRegEx.test(mimeType);
}
// no mime type in adaptation, search in representation
let representations = findRepresentations(adaptation);
if (representations) {
for (let i = 0; i < representations.length; i++) {
let representation = representations[i];
mimeType = findMimeType(representation);
if (mimeType) {
return mimeTypeRegEx.test(mimeType);
}
}
}
return false;
}
/**
* Returns mime-type of xml tag
* @param {Object} tag
* @returns {string|null} mimeType
* @instance
*/
function findMimeType(tag) {
return tag.getAttribute(dashConstants.MIME_TYPE);
}
/**
* Returns representations of adaptation set
* @param {XML} adaptation
* @returns {XML} representations
* @instance
*/
function findRepresentations(adaptation) {
return adaptation.getElementsByTagName(dashConstants.REPRESENTATION);
}
/**
* Return segment template list of adaptations set
* @param {XML} currentAdaptationSet
* @returns {XML} representations
* @instance
*/
function getSegmentTemplate(currentAdaptationSet) {
return currentAdaptationSet.getElementsByTagName(dashConstants.SEGMENT_TEMPLATE);
}
/**
* Return segment list tags of adaptations set
* @param {XML} tag
* @returns {XML} representations
* @instance
*/
function getSegmentList(tag) {
return tag.getElementsByTagName(dashConstants.SEGMENT_LIST);
}
function deleteSegmentBase(tag) {
let elements = tag.getElementsByTagName(dashConstants.SEGMENT_BASE);
for (let i = 0; i < elements.length; i++) {
let segmentBase = elements[i];
segmentBase.parentNode.removeChild(segmentBase);
}
}
/**
* @param {XML} segmentTemplate
* @param {object} rep
* @instance
*/
function addSegmentTimelineElements(segmentTemplate, rep) {
let S = DOM.createElement('S');
if (rep && rep.segments) {
let segmentTimelineElement = DOM.createElement(dashConstants.SEGMENT_TIMELINE);
let changedDuration = getDurationChangeArray(rep);
for (let i = 0; i < changedDuration.length; i++) {
let repeatValue = i + 1 < changedDuration.length ? (changedDuration[i + 1] - changedDuration[i]) - 1 : 0;
if (repeatValue > 1) {
S.setAttribute('r', repeatValue);
}
S.setAttribute('d', rep.segments[changedDuration[i]].duration);
segmentTimelineElement.appendChild(S);
S = DOM.createElement('S');
}
segmentTemplate.appendChild(segmentTimelineElement);
}
}
function getDurationChangeArray(rep) {
let array = [];
array.push(0);
for (let i = 1; i < rep.segments.length; i++) {
if (rep.segments[i - 1].duration !== rep.segments[i].duration) {
array.push(i);
}
}
return array;
}
/**
* Update attributes of segment templates to match offline urls
* @param {Array} segmentsTemplates
* @instance
*/
function editSegmentTemplateAttributes(segmentsTemplates) {
for (let i = 0; i < segmentsTemplates.length; i++) {
let media = segmentsTemplates[i].getAttribute(dashConstants.MEDIA);
media = '$RepresentationID$_$Number$' + media.substring(media.indexOf('.'), media.length); //id + extension
segmentsTemplates[i].setAttribute(dashConstants.START_NUMBER, '0');
segmentsTemplates[i].setAttribute(dashConstants.MEDIA, media);
segmentsTemplates[i].setAttribute(dashConstants.INITIALIZATION_MINUS,'$RepresentationID$_init');
}
}
/**
* Update attributes of segment list to match offline urls
* @param {Array} segmentLists
* @param {Object} representation
* @instance
*/
function editSegmentListAttributes(segmentLists, representation) {
let repId = representation.getAttribute(dashConstants.ID);
for (let i = 0; i < segmentLists.length; i++) {
let segmentList = segmentLists[i];
let initialisation = segmentList.getElementsByTagName(dashConstants.INITIALIZATION);
if (initialisation) {
let sourceURL = initialisation[0].getAttribute(dashConstants.SOURCE_URL);
sourceURL = `${repId}_init`;
initialisation[0].setAttribute(dashConstants.SOURCE_URL, sourceURL);
}
let segmentURLs = segmentList.getElementsByTagName(dashConstants.SEGMENT_URL);
if (segmentURLs) {
for (let j = 0; j < segmentURLs.length; j++) {
let segmentUrl = segmentURLs[j];
let media = segmentUrl.getAttribute(dashConstants.MEDIA);
media = `${repId}_${j}`;
segmentUrl.setAttribute(dashConstants.MEDIA, media);
}
}
}
}
/**
* @param {XML} adaptationSet
* @param {object} rep
* @instance
*/
function addSegmentTemplateAttributes(adaptationSet, rep) {
let segmentTemplateElement = DOM.createElement(dashConstants.SEGMENT_TEMPLATE);
segmentTemplateElement.setAttribute(dashConstants.START_NUMBER, '0');
segmentTemplateElement.setAttribute(dashConstants.MEDIA, '$RepresentationID$-$Time$');
segmentTemplateElement.setAttribute(dashConstants.INITIALIZATION_MINUS,'$RepresentationID$_init');
addSegmentTimelineElements(segmentTemplateElement, rep);
adaptationSet.appendChild(segmentTemplateElement);
}
/**
* Delete all representations except the one choosed by user
* @param {XML} currentAdaptationSet
* @param {XML} representations
* @param {string} adaptationType
* @instance
*/
function findAndKeepOnlySelectedRepresentations(currentAdaptationSet, representations, adaptationType) {
for ( var i = representations.length - 1; i >= 0; i--) {
let representation = representations[i];
let repId = representation.getAttribute(dashConstants.ID);
if (allMediaInfos[adaptationType] && allMediaInfos[adaptationType].indexOf(repId) === -1) {
// representation is not selected, remove it
currentAdaptationSet.removeChild(representation);
}
}
}
// UTILS
/**
* Get id of first representation of adaptation set
* @param {XMl} currentAdaptationSet
* @returns {string} id
* @instance
*/
function getBestRepresentationId(currentAdaptationSet) {
let bestRepresentation = currentAdaptationSet.getElementsByTagName(dashConstants.REPRESENTATION)[0];
console.log(bestRepresentation.getAttribute(dashConstants.ID));
return bestRepresentation.getAttribute(dashConstants.ID);
}
/**
* Parse and returns fragments of offline url => xxxx://xxxx/fragmentId/
* @param {string} url
* @returns {string} fragmentId
* @instance
*/
function getFragmentId(url) {
let idxFragId = url.lastIndexOf('/');
//logger.warn('fragId : ' + url.substring(idxFragId + 1, url.length));
return url.substring(idxFragId,url.length);
}
setup();
instance = {
parse: parse
};
return instance;
}
OfflineIndexDBManifestParser.__dashjs_factory_name = 'OfflineIndexDBManifestParser';
export default dashjs.FactoryMaker.getClassFactory(OfflineIndexDBManifestParser); /* jshint ignore:line */
</code></pre></article></section></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" id="mobile-menu" data-isopen="false" aria-label="menu"><svg><use xlink:href="#menu-icon"></use></svg></button></div><div id="mobile-sidebar" class="mobile-sidebar-container"><div class="mobile-sidebar-wrapper"><a href="/" class="sidebar-title sidebar-title-anchor">Home</a><div class="mobile-nav-links"></div><div 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href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_ABANDONED">FRAGMENT_LOADING_ABANDONED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_COMPLETED">FRAGMENT_LOADING_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_PROGRESS">FRAGMENT_LOADING_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_STARTED">FRAGMENT_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:INBAND_PRFT">INBAND_PRFT</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:LOG">LOG</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADED">MANIFEST_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_FINISHED">MANIFEST_LOADING_FINISHED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_STARTED">MANIFEST_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_VALIDITY_CHANGED">MANIFEST_VALIDITY_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_ADDED">METRIC_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_CHANGED">METRIC_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_UPDATED">METRIC_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRICS_CHANGED">METRICS_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_COMPLETED">PERIOD_SWITCH_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_STARTED">PERIOD_SWITCH_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ENDED">PLAYBACK_ENDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ERROR">PLAYBACK_ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_LOADED_DATA">PLAYBACK_LOADED_DATA</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_METADATA_LOADED">PLAYBACK_METADATA_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_NOT_ALLOWED">PLAYBACK_NOT_ALLOWED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PAUSED">PLAYBACK_PAUSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PLAYING">PLAYBACK_PLAYING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PROGRESS">PLAYBACK_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_RATE_CHANGED">PLAYBACK_RATE_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKED">PLAYBACK_SEEKED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKING">PLAYBACK_SEEKING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STALLED">PLAYBACK_STALLED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STARTED">PLAYBACK_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_TIME_UPDATED">PLAYBACK_TIME_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_VOLUME_CHANGED">PLAYBACK_VOLUME_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_WAITING">PLAYBACK_WAITING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_RENDERED">QUALITY_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_REQUESTED">QUALITY_CHANGE_REQUESTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:REPRESENTATION_SWITCH">REPRESENTATION_SWITCH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_ACTIVATED">STREAM_ACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_DEACTIVATED">STREAM_DEACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZED">STREAM_INITIALIZED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZING">STREAM_INITIALIZING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_TEARDOWN_COMPLETE">STREAM_TEARDOWN_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_UPDATED">STREAM_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACK_ADDED">TEXT_TRACK_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACKS_ADDED">TEXT_TRACKS_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:THROUGHPUT_MEASUREMENT_ST