dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
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<html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="https://dashif.org/img/favicon.ico"><link type="text/css" rel="stylesheet" href="jsdoc-custom.css"><title>Source: streaming/models/MediaPlayerModel.js</title><!--[if lt IE 9]>
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href="module-Settings.html">Settings</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-classes"><div>Classes</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Errors.html">Errors</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html">MediaPlayerEvents</a></div><div class="sidebar-section-children"><a href="MediaPlayerModel.html">MediaPlayerModel</a></div><div class="sidebar-section-children"><a href="MetricsReportingEvents.html">MetricsReportingEvents</a></div><div class="sidebar-section-children"><a href="MssErrors.html">MssErrors</a></div><div class="sidebar-section-children"><a href="OfflineErrors.html">OfflineErrors</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html">OfflineEvents</a></div><div class="sidebar-section-children"><a href="ProtectionErrors.html">ProtectionErrors</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html">ProtectionEvents</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-events"><div>Events</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:ADAPTATION_SET_REMOVED_NO_CAPABILITIES">ADAPTATION_SET_REMOVED_NO_CAPABILITIES</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:AST_IN_FUTURE">AST_IN_FUTURE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BASE_URLS_UPDATED">BASE_URLS_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BUFFER_EMPTY">BUFFER_EMPTY</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BUFFER_LEVEL_STATE_CHANGED">BUFFER_LEVEL_STATE_CHANGED</a></div><div class="sidebar-section-children"><a 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="has-anchor">streaming_models_MediaPlayerModel.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.
*/
import Debug from '../../core/Debug';
import FactoryMaker from '../../core/FactoryMaker';
import Settings from '../../core/Settings';
const DEFAULT_MIN_BUFFER_TIME = 12;
const DEFAULT_MIN_BUFFER_TIME_FAST_SWITCH = 20;
const LOW_LATENCY_REDUCTION_FACTOR = 10;
const LOW_LATENCY_MULTIPLY_FACTOR = 5;
const DEFAULT_CATCHUP_MAX_DRIFT = 12;
const DEFAULT_CATCHUP_PLAYBACK_RATE_MIN = -0.5;
const DEFAULT_CATCHUP_PLAYBACK_RATE_MAX = 0.5;
const CATCHUP_PLAYBACK_RATE_MIN_LIMIT = -0.5;
const CATCHUP_PLAYBACK_RATE_MAX_LIMIT = 1;
/**
* We use this model as a wrapper/proxy between Settings.js and classes that are using parameters from Settings.js.
* In some cases we require additional logic to be applied and the settings might need to be adjusted before being used.
* @class
* @constructor
*/
function MediaPlayerModel() {
let instance,
logger,
playbackController,
serviceDescriptionController;
const context = this.context;
const settings = Settings(context).getInstance();
function setup() {
logger = Debug(context).getInstance().getLogger(instance);
}
function setConfig(config) {
if (config.playbackController) {
playbackController = config.playbackController;
}
if (config.serviceDescriptionController) {
serviceDescriptionController = config.serviceDescriptionController;
}
}
/**
* Checks the supplied min playback rate is a valid vlaue and within supported limits
* @param {number} rate - Supplied min playback rate
* @param {boolean} log - wether to shown warning or not
* @returns {number} corrected min playback rate
*/
function _checkMinPlaybackRate (rate, log) {
if (isNaN(rate)) return 0;
if (rate > 0) {
if (log) {
logger.warn(`Supplied minimum playback rate is a positive value when it should be negative or 0. The supplied rate will not be applied and set to 0: 100% playback speed.`)
}
return 0;
}
if (rate < CATCHUP_PLAYBACK_RATE_MIN_LIMIT) {
if (log) {
logger.warn(`Supplied minimum playback rate is out of range and will be limited to ${CATCHUP_PLAYBACK_RATE_MIN_LIMIT}: ${CATCHUP_PLAYBACK_RATE_MIN_LIMIT * 100}% playback speed.`);
}
return CATCHUP_PLAYBACK_RATE_MIN_LIMIT;
}
return rate;
};
/**
* Checks the supplied max playback rate is a valid vlaue and within supported limits
* @param {number} rate - Supplied max playback rate
* @param {boolean} log - wether to shown warning or not
* @returns {number} corrected max playback rate
*/
function _checkMaxPlaybackRate (rate, log) {
if (isNaN(rate)) return 0;
if (rate < 0) {
if (log) {
logger.warn(`Supplied maximum playback rate is a negative value when it should be negative or 0. The supplied rate will not be applied and set to 0: 100% playback speed.`)
}
return 0;
}
if (rate > CATCHUP_PLAYBACK_RATE_MAX_LIMIT) {
if (log) {
logger.warn(`Supplied maximum playback rate is out of range and will be limited to ${CATCHUP_PLAYBACK_RATE_MAX_LIMIT}: ${(1 + CATCHUP_PLAYBACK_RATE_MAX_LIMIT) * 100}% playback speed.`);
}
return CATCHUP_PLAYBACK_RATE_MAX_LIMIT;
}
return rate;
};
/**
* Returns the maximum drift allowed before applying a seek back to the live edge when the catchup mode is enabled
* @return {number}
*/
function getCatchupMaxDrift() {
if (!isNaN(settings.get().streaming.liveCatchup.maxDrift) && settings.get().streaming.liveCatchup.maxDrift > 0) {
return settings.get().streaming.liveCatchup.maxDrift;
}
const serviceDescriptionSettings = serviceDescriptionController.getServiceDescriptionSettings();
if (serviceDescriptionSettings && serviceDescriptionSettings.liveCatchup && !isNaN(serviceDescriptionSettings.liveCatchup.maxDrift) && serviceDescriptionSettings.liveCatchup.maxDrift > 0) {
return serviceDescriptionSettings.liveCatchup.maxDrift;
}
return DEFAULT_CATCHUP_MAX_DRIFT;
}
/**
* Returns the minimum and maximum playback rates to be used when applying the catchup mechanism
* If only one of the min/max values has been set then the other will default to 0 (no playback rate change).
* @return {number}
*/
function getCatchupPlaybackRates(log) {
const settingsPlaybackRate = settings.get().streaming.liveCatchup.playbackRate;
if(!isNaN(settingsPlaybackRate.min) || !isNaN(settingsPlaybackRate.max)) {
return {
min: _checkMinPlaybackRate(settingsPlaybackRate.min, log),
max: _checkMaxPlaybackRate(settingsPlaybackRate.max, log),
}
}
const serviceDescriptionSettings = serviceDescriptionController.getServiceDescriptionSettings();
if (serviceDescriptionSettings && serviceDescriptionSettings.liveCatchup && (!isNaN(serviceDescriptionSettings.liveCatchup.playbackRate.min) || !isNaN(serviceDescriptionSettings.liveCatchup.playbackRate.max))) {
const sdPlaybackRate = serviceDescriptionSettings.liveCatchup.playbackRate;
return {
min: _checkMinPlaybackRate(sdPlaybackRate.min, log),
max: _checkMaxPlaybackRate(sdPlaybackRate.max, log),
}
}
return {
min: DEFAULT_CATCHUP_PLAYBACK_RATE_MIN,
max: DEFAULT_CATCHUP_PLAYBACK_RATE_MAX
}
}
/**
* Returns whether the catchup mode is activated via the settings or internally in the PlaybackController
* @return {boolean}
*/
function getCatchupModeEnabled() {
if (settings.get().streaming.liveCatchup.enabled !== null) {
return settings.get().streaming.liveCatchup.enabled;
}
return playbackController.getInitialCatchupModeActivated();
}
/**
* Returns the min,max or initial bitrate for a specific media type.
* @param {string} field
* @param {string} mediaType
*/
function getAbrBitrateParameter(field, mediaType) {
try {
const setting = settings.get().streaming.abr[field][mediaType];
if(!isNaN(setting) && setting !== -1) {
return setting;
}
const serviceDescriptionSettings = serviceDescriptionController.getServiceDescriptionSettings();
if(serviceDescriptionSettings && serviceDescriptionSettings[field] && !isNaN(serviceDescriptionSettings[field][mediaType])) {
return serviceDescriptionSettings[field][mediaType];
}
return -1;
}
catch(e) {
return -1;
}
}
/**
* Returns the initial buffer level taking the stable buffer time into account
* @return {number}
*/
function getInitialBufferLevel() {
const initialBufferLevel = settings.get().streaming.buffer.initialBufferLevel;
if (isNaN(initialBufferLevel) || initialBufferLevel < 0) {
return 0;
}
return Math.min(getStableBufferTime(), initialBufferLevel);
}
/**
* Returns the stable buffer time taking the live delay into account
* @return {number}
*/
function getStableBufferTime() {
let stableBufferTime = settings.get().streaming.buffer.stableBufferTime > 0 ? settings.get().streaming.buffer.stableBufferTime : settings.get().streaming.buffer.fastSwitchEnabled ? DEFAULT_MIN_BUFFER_TIME_FAST_SWITCH : DEFAULT_MIN_BUFFER_TIME;
const liveDelay = playbackController.getLiveDelay();
return !isNaN(liveDelay) && liveDelay > 0 ? Math.min(stableBufferTime, liveDelay) : stableBufferTime;
}
/**
* Returns the number of retry attempts for a specific media type
* @param type
* @return {number}
*/
function getRetryAttemptsForType(type) {
const lowLatencyMultiplyFactor = !isNaN(settings.get().streaming.retryAttempts.lowLatencyMultiplyFactor) ? settings.get().streaming.retryAttempts.lowLatencyMultiplyFactor : LOW_LATENCY_MULTIPLY_FACTOR;
return playbackController.getLowLatencyModeEnabled() ? settings.get().streaming.retryAttempts[type] * lowLatencyMultiplyFactor : settings.get().streaming.retryAttempts[type];
}
/**
* Returns the retry interval for a specific media type
* @param type
* @return {number}
*/
function getRetryIntervalsForType(type) {
const lowLatencyReductionFactor = !isNaN(settings.get().streaming.retryIntervals.lowLatencyReductionFactor) ? settings.get().streaming.retryIntervals.lowLatencyReductionFactor : LOW_LATENCY_REDUCTION_FACTOR;
return playbackController.getLowLatencyModeEnabled() ? settings.get().streaming.retryIntervals[type] / lowLatencyReductionFactor : settings.get().streaming.retryIntervals[type];
}
function reset() {
}
instance = {
getCatchupMaxDrift,
getCatchupModeEnabled,
getStableBufferTime,
getInitialBufferLevel,
getRetryAttemptsForType,
getRetryIntervalsForType,
getCatchupPlaybackRates,
getAbrBitrateParameter,
setConfig,
reset
};
setup();
return instance;
}
MediaPlayerModel.__dashjs_factory_name = 'MediaPlayerModel';
export default FactoryMaker.getSingletonFactory(MediaPlayerModel);
</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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