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dash.mss.min.js.map
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\t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n 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\t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 102);\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * @class\n * @ignore\n */\nclass DashJSError {\n constructor(code, message, data) {\n this.code = code || null;\n this.message = message || null;\n this.data = data || null;\n }\n}\n\nexport default DashJSError;","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\nimport MssHandler from './MssHandler';\n\n// Shove both of these into the global scope\nvar context = (typeof window !== 'undefined' && window) || global;\n\nvar dashjs = context.dashjs;\nif (!dashjs) {\n dashjs = context.dashjs = {};\n}\n\ndashjs.MssHandler = MssHandler;\n\nexport default dashjs;\nexport { MssHandler };\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\nimport { HTTPRequest } from '../vo/metrics/HTTPRequest';\n\n/**\n * @class\n * @ignore\n */\nclass FragmentRequest {\n constructor(url) {\n this.action = FragmentRequest.ACTION_DOWNLOAD;\n this.startTime = NaN;\n this.mediaStartTime = NaN;\n this.mediaType = null;\n this.mediaInfo = null;\n this.type = null;\n this.duration = NaN;\n this.timescale = NaN;\n this.range = null;\n this.url = url || null;\n this.serviceLocation = null;\n this.requestStartDate = null;\n this.firstByteDate = null;\n this.requestEndDate = null;\n this.quality = NaN;\n this.index = NaN;\n this.availabilityStartTime = null;\n this.availabilityEndTime = null;\n this.wallStartTime = null;\n this.bytesLoaded = NaN;\n this.bytesTotal = NaN;\n this.delayLoadingTime = NaN;\n this.responseType = 'arraybuffer';\n this.representationId = null;\n }\n\n isInitializationRequest() {\n return (this.type && this.type === HTTPRequest.INIT_SEGMENT_TYPE);\n }\n\n setInfo(info) {\n this.type = info && info.init ? HTTPRequest.INIT_SEGMENT_TYPE : HTTPRequest.MEDIA_SEGMENT_TYPE;\n this.url = info && info.url ? info.url : null;\n this.range = info && info.range ? info.range.start + '-' + info.range.end : null;\n this.mediaType = info && info.mediaType ? info.mediaType : null;\n }\n}\n\nFragmentRequest.ACTION_DOWNLOAD = 'download';\nFragmentRequest.ACTION_COMPLETE = 'complete';\n\nexport default FragmentRequest;\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * @class\n * @ignore\n */\nclass EventsBase {\n extend (events, config) {\n if (!events) return;\n\n let override = config ? config.override : false;\n let publicOnly = config ? config.publicOnly : false;\n\n\n for (const evt in events) {\n if (!events.hasOwnProperty(evt) || (this[evt] && !override)) continue;\n if (publicOnly && events[evt].indexOf('public_') === -1) continue;\n this[evt] = events[evt];\n\n }\n }\n}\n\nexport default EventsBase;","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * @class\n * @ignore\n */\nclass ErrorsBase {\n extend (errors, config) {\n if (!errors) return;\n\n let override = config ? config.override : false;\n let publicOnly = config ? config.publicOnly : false;\n\n\n for (const err in errors) {\n if (!errors.hasOwnProperty(err) || (this[err] && !override)) continue;\n if (publicOnly && errors[err].indexOf('public_') === -1) continue;\n this[err] = errors[err];\n\n }\n }\n}\n\nexport default ErrorsBase;","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\nimport EventsBase from '../core/events/EventsBase';\n\n/**\n * @class\n * @implements EventsBase\n */\nclass MediaPlayerEvents extends EventsBase {\n\n /**\n * @description Public facing external events to be used when developing a player that implements dash.js.\n */\n constructor() {\n super();\n /**\n * Triggered when playback will not start yet\n * as the MPD's availabilityStartTime is in the future.\n * Check delay property in payload to determine time before playback will start.\n * @event MediaPlayerEvents#AST_IN_FUTURE\n */\n this.AST_IN_FUTURE = 'astInFuture';\n\n /**\n * Triggered when the video element's buffer state changes to stalled.\n * Check mediaType in payload to determine type (Video, Audio, FragmentedText).\n * @event MediaPlayerEvents#BUFFER_EMPTY\n */\n this.BUFFER_EMPTY = 'bufferStalled';\n\n /**\n * Triggered when the video element's buffer state changes to loaded.\n * Check mediaType in payload to determine type (Video, Audio, FragmentedText).\n * @event MediaPlayerEvents#BUFFER_LOADED\n */\n this.BUFFER_LOADED = 'bufferLoaded';\n\n /**\n * Triggered when the video element's buffer state changes, either stalled or loaded. Check payload for state.\n * @event MediaPlayerEvents#BUFFER_LEVEL_STATE_CHANGED\n */\n this.BUFFER_LEVEL_STATE_CHANGED = 'bufferStateChanged';\n\n /**\n * Triggered when the buffer level of a media type has been updated\n * @event MediaPlayerEvents#BUFFER_LEVEL_UPDATED\n */\n this.BUFFER_LEVEL_UPDATED = 'bufferLevelUpdated';\n\n /**\n * Triggered when a dynamic stream changed to static (transition phase between Live and On-Demand).\n * @event MediaPlayerEvents#DYNAMIC_TO_STATIC\n */\n this.DYNAMIC_TO_STATIC = 'dynamicToStatic';\n\n /**\n * Triggered when there is an error from the element or MSE source buffer.\n * @event MediaPlayerEvents#ERROR\n */\n this.ERROR = 'error';\n /**\n * Triggered when a fragment download has completed.\n * @event MediaPlayerEvents#FRAGMENT_LOADING_COMPLETED\n */\n this.FRAGMENT_LOADING_COMPLETED = 'fragmentLoadingCompleted';\n\n /**\n * Triggered when a partial fragment download has completed.\n * @event MediaPlayerEvents#FRAGMENT_LOADING_PROGRESS\n */\n this.FRAGMENT_LOADING_PROGRESS = 'fragmentLoadingProgress';\n /**\n * Triggered when a fragment download has started.\n * @event MediaPlayerEvents#FRAGMENT_LOADING_STARTED\n */\n this.FRAGMENT_LOADING_STARTED = 'fragmentLoadingStarted';\n\n /**\n * Triggered when a fragment download is abandoned due to detection of slow download base on the ABR abandon rule..\n * @event MediaPlayerEvents#FRAGMENT_LOADING_ABANDONED\n */\n this.FRAGMENT_LOADING_ABANDONED = 'fragmentLoadingAbandoned';\n\n /**\n * Triggered when {@link module:Debug} logger methods are called.\n * @event MediaPlayerEvents#LOG\n */\n this.LOG = 'log';\n\n /**\n * Triggered when the manifest load is complete\n * @event MediaPlayerEvents#MANIFEST_LOADED\n */\n this.MANIFEST_LOADED = 'manifestLoaded';\n\n /**\n * Triggered anytime there is a change to the overall metrics.\n * @event MediaPlayerEvents#METRICS_CHANGED\n */\n this.METRICS_CHANGED = 'metricsChanged';\n\n /**\n * Triggered when an individual metric is added, updated or cleared.\n * @event MediaPlayerEvents#METRIC_CHANGED\n */\n this.METRIC_CHANGED = 'metricChanged';\n\n /**\n * Triggered every time a new metric is added.\n * @event MediaPlayerEvents#METRIC_ADDED\n */\n this.METRIC_ADDED = 'metricAdded';\n\n /**\n * Triggered every time a metric is updated.\n * @event MediaPlayerEvents#METRIC_UPDATED\n */\n this.METRIC_UPDATED = 'metricUpdated';\n\n /**\n * Triggered when a new stream (period) starts.\n * @event MediaPlayerEvents#PERIOD_SWITCH_STARTED\n */\n this.PERIOD_SWITCH_STARTED = 'periodSwitchStarted';\n\n /**\n * Triggered at the stream end of a period.\n * @event MediaPlayerEvents#PERIOD_SWITCH_COMPLETED\n */\n this.PERIOD_SWITCH_COMPLETED = 'periodSwitchCompleted';\n\n /**\n * Triggered when an ABR up /down switch is initiated; either by user in manual mode or auto mode via ABR rules.\n * @event MediaPlayerEvents#QUALITY_CHANGE_REQUESTED\n */\n this.QUALITY_CHANGE_REQUESTED = 'qualityChangeRequested';\n\n /**\n * Triggered when the new ABR quality is being rendered on-screen.\n * @event MediaPlayerEvents#QUALITY_CHANGE_RENDERED\n */\n this.QUALITY_CHANGE_RENDERED = 'qualityChangeRendered';\n\n /**\n * Triggered when the new track is being rendered.\n * @event MediaPlayerEvents#TRACK_CHANGE_RENDERED\n */\n this.TRACK_CHANGE_RENDERED = 'trackChangeRendered';\n\n /**\n * Triggered when a stream (period) is being loaded\n * @event MediaPlayerEvents#STREAM_INITIALIZING\n */\n this.STREAM_INITIALIZING = 'streamInitializing';\n\n /**\n * Triggered when a stream (period) is loaded\n * @event MediaPlayerEvents#STREAM_UPDATED\n */\n this.STREAM_UPDATED = 'streamUpdated';\n\n /**\n * Triggered when a stream (period) is activated\n * @event MediaPlayerEvents#STREAM_ACTIVATED\n */\n this.STREAM_ACTIVATED = 'streamActivated';\n\n /**\n * Triggered when a stream (period) is deactivated\n * @event MediaPlayerEvents#STREAM_DEACTIVATED\n */\n this.STREAM_DEACTIVATED = 'streamDeactivated';\n\n /**\n * Triggered when a stream (period) is activated\n * @event MediaPlayerEvents#STREAM_INITIALIZED\n */\n this.STREAM_INITIALIZED = 'streamInitialized';\n\n /**\n * Triggered when the player has been reset.\n * @event MediaPlayerEvents#STREAM_TEARDOWN_COMPLETE\n */\n this.STREAM_TEARDOWN_COMPLETE = 'streamTeardownComplete';\n\n /**\n * Triggered once all text tracks detected in the MPD are added to the video element.\n * @event MediaPlayerEvents#TEXT_TRACKS_ADDED\n */\n this.TEXT_TRACKS_ADDED = 'allTextTracksAdded';\n\n /**\n * Triggered when a text track is added to the video element's TextTrackList\n * @event MediaPlayerEvents#TEXT_TRACK_ADDED\n */\n this.TEXT_TRACK_ADDED = 'textTrackAdded';\n\n /**\n * Triggered when a ttml chunk is parsed.\n * @event MediaPlayerEvents#TTML_PARSED\n */\n this.TTML_PARSED = 'ttmlParsed';\n\n /**\n * Triggered when a ttml chunk has to be parsed.\n * @event MediaPlayerEvents#TTML_TO_PARSE\n */\n this.TTML_TO_PARSE = 'ttmlToParse';\n\n /**\n * Triggered when a caption is rendered.\n * @event MediaPlayerEvents#CAPTION_RENDERED\n */\n this.CAPTION_RENDERED = 'captionRendered';\n\n /**\n * Triggered when the caption container is resized.\n * @event MediaPlayerEvents#CAPTION_CONTAINER_RESIZE\n */\n this.CAPTION_CONTAINER_RESIZE = 'captionContainerResize';\n\n /**\n * Sent when enough data is available that the media can be played,\n * at least for a couple of frames. This corresponds to the\n * HAVE_ENOUGH_DATA readyState.\n * @event MediaPlayerEvents#CAN_PLAY\n */\n this.CAN_PLAY = 'canPlay';\n\n /**\n * This corresponds to the CAN_PLAY_THROUGH readyState.\n * @event MediaPlayerEvents#CAN_PLAY_THROUGH\n */\n this.CAN_PLAY_THROUGH = 'canPlayThrough';\n\n /**\n * Sent when playback completes.\n * @event MediaPlayerEvents#PLAYBACK_ENDED\n */\n this.PLAYBACK_ENDED = 'playbackEnded';\n\n /**\n * Sent when an error occurs. The element's error\n * attribute contains more information.\n * @event MediaPlayerEvents#PLAYBACK_ERROR\n */\n this.PLAYBACK_ERROR = 'playbackError';\n\n /**\n * Sent when playback is not allowed (for example if user gesture is needed).\n * @event MediaPlayerEvents#PLAYBACK_NOT_ALLOWED\n */\n this.PLAYBACK_NOT_ALLOWED = 'playbackNotAllowed';\n\n /**\n * The media's metadata has finished loading; all attributes now\n * contain as much useful information as they're going to.\n * @event MediaPlayerEvents#PLAYBACK_METADATA_LOADED\n */\n this.PLAYBACK_METADATA_LOADED = 'playbackMetaDataLoaded';\n\n /**\n * The event is fired when the frame at the current playback position of the media has finished loading;\n * often the first frame\n * @event MediaPlayerEvents#PLAYBACK_LOADED_DATA\n */\n this.PLAYBACK_LOADED_DATA = 'playbackLoadedData';\n\n /**\n * Sent when playback is paused.\n * @event MediaPlayerEvents#PLAYBACK_PAUSED\n */\n this.PLAYBACK_PAUSED = 'playbackPaused';\n\n /**\n * Sent when the media begins to play (either for the first time, after having been paused,\n * or after ending and then restarting).\n *\n * @event MediaPlayerEvents#PLAYBACK_PLAYING\n */\n this.PLAYBACK_PLAYING = 'playbackPlaying';\n\n /**\n * Sent periodically to inform interested parties of progress downloading\n * the media. Information about the current amount of the media that has\n * been downloaded is available in the media element's buffered attribute.\n * @event MediaPlayerEvents#PLAYBACK_PROGRESS\n */\n this.PLAYBACK_PROGRESS = 'playbackProgress';\n\n /**\n * Sent when the playback speed changes.\n * @event MediaPlayerEvents#PLAYBACK_RATE_CHANGED\n */\n this.PLAYBACK_RATE_CHANGED = 'playbackRateChanged';\n\n /**\n * Sent when a seek operation completes.\n * @event MediaPlayerEvents#PLAYBACK_SEEKED\n */\n this.PLAYBACK_SEEKED = 'playbackSeeked';\n\n /**\n * Sent when a seek operation begins.\n * @event MediaPlayerEvents#PLAYBACK_SEEKING\n */\n this.PLAYBACK_SEEKING = 'playbackSeeking';\n\n /**\n * Sent when the video element reports stalled\n * @event MediaPlayerEvents#PLAYBACK_STALLED\n */\n this.PLAYBACK_STALLED = 'playbackStalled';\n\n /**\n * Sent when playback of the media starts after having been paused;\n * that is, when playback is resumed after a prior pause event.\n *\n * @event MediaPlayerEvents#PLAYBACK_STARTED\n */\n this.PLAYBACK_STARTED = 'playbackStarted';\n\n /**\n * The time indicated by the element's currentTime attribute has changed.\n * @event MediaPlayerEvents#PLAYBACK_TIME_UPDATED\n */\n this.PLAYBACK_TIME_UPDATED = 'playbackTimeUpdated';\n\n /**\n * Sent when the video element reports that the volume has changed\n * @event MediaPlayerEvents#PLAYBACK_VOLUME_CHANGED\n */\n this.PLAYBACK_VOLUME_CHANGED = 'playbackVolumeChanged';\n\n /**\n * Sent when the media playback has stopped because of a temporary lack of data.\n *\n * @event MediaPlayerEvents#PLAYBACK_WAITING\n */\n this.PLAYBACK_WAITING = 'playbackWaiting';\n\n /**\n * Manifest validity changed - As a result of an MPD validity expiration event.\n * @event MediaPlayerEvents#MANIFEST_VALIDITY_CHANGED\n */\n this.MANIFEST_VALIDITY_CHANGED = 'manifestValidityChanged';\n\n /**\n * Dash events are triggered at their respective start points on the timeline.\n * @event MediaPlayerEvents#EVENT_MODE_ON_START\n */\n this.EVENT_MODE_ON_START = 'eventModeOnStart';\n\n /**\n * Dash events are triggered as soon as they were parsed.\n * @event MediaPlayerEvents#EVENT_MODE_ON_RECEIVE\n */\n this.EVENT_MODE_ON_RECEIVE = 'eventModeOnReceive';\n\n /**\n * Event that is dispatched whenever the player encounters a potential conformance validation that might lead to unexpected/not optimal behavior\n * @event MediaPlayerEvents#CONFORMANCE_VIOLATION\n */\n this.CONFORMANCE_VIOLATION = 'conformanceViolation';\n\n /**\n * Event that is dispatched whenever the player switches to a different representation\n * @event MediaPlayerEvents#REPRESENTATION_SWITCH\n */\n this.REPRESENTATION_SWITCH = 'representationSwitch';\n\n /**\n * Event that is dispatched whenever an adaptation set is removed due to all representations not being supported.\n * @event MediaPlayerEvents#ADAPTATION_SET_REMOVED_NO_CAPABILITIES\n */\n this.ADAPTATION_SET_REMOVED_NO_CAPABILITIES = 'adaptationSetRemovedNoCapabilities';\n }\n}\n\nlet mediaPlayerEvents = new MediaPlayerEvents();\nexport default mediaPlayerEvents;\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * @classdesc This Object holds reference to the HTTPRequest for manifest, fragment and xlink loading.\n * Members which are not defined in ISO23009-1 Annex D should be prefixed by a _ so that they are ignored\n * by Metrics Reporting code.\n * @ignore\n */\nclass HTTPRequest {\n /**\n * @class\n */\n constructor() {\n /**\n * Identifier of the TCP connection on which the HTTP request was sent.\n * @public\n */\n this.tcpid = null;\n /**\n * This is an optional parameter and should not be included in HTTP request/response transactions for progressive download.\n * The type of the request:\n * - MPD\n * - XLink expansion\n * - Initialization Fragment\n * - Index Fragment\n * - Media Fragment\n * - Bitstream Switching Fragment\n * - other\n * @public\n */\n this.type = null;\n /**\n * The original URL (before any redirects or failures)\n * @public\n */\n this.url = null;\n /**\n * The actual URL requested, if different from above\n * @public\n */\n this.actualurl = null;\n /**\n * The contents of the byte-range-spec part of the HTTP Range header.\n * @public\n */\n this.range = null;\n /**\n * Real-Time | The real time at which the request was sent.\n * @public\n */\n this.trequest = null;\n /**\n * Real-Time | The real time at which the first byte of the response was received.\n * @public\n */\n this.tresponse = null;\n /**\n * The HTTP response code.\n * @public\n */\n this.responsecode = null;\n /**\n * The duration of the throughput trace intervals (ms), for successful requests only.\n * @public\n */\n this.interval = null;\n /**\n * Throughput traces, for successful requests only.\n * @public\n */\n this.trace = [];\n\n /**\n * Type of stream (\"audio\" | \"video\" etc..)\n * @public\n */\n this._stream = null;\n /**\n * Real-Time | The real time at which the request finished.\n * @public\n */\n this._tfinish = null;\n /**\n * The duration of the media requests, if available, in seconds.\n * @public\n */\n this._mediaduration = null;\n /**\n * The media segment quality\n * @public\n */\n this._quality = null;\n /**\n * all the response headers from request.\n * @public\n */\n this._responseHeaders = null;\n /**\n * The selected service location for the request. string.\n * @public\n */\n this._serviceLocation = null;\n /**\n * The type of the loader that was used. Distinguish between fetch loader and xhr loader\n */\n this._fileLoaderType = null;\n }\n}\n\n/**\n * @classdesc This Object holds reference to the progress of the HTTPRequest.\n * @ignore\n */\nclass HTTPRequestTrace {\n /**\n * @class\n */\n constructor() {\n /**\n * Real-Time | Measurement stream start.\n * @public\n */\n this.s = null;\n /**\n * Measurement stream duration (ms).\n * @public\n */\n this.d = null;\n /**\n * List of integers counting the bytes received in each trace interval within the measurement stream.\n * @public\n */\n this.b = [];\n }\n}\n\nHTTPRequest.GET = 'GET';\nHTTPRequest.HEAD = 'HEAD';\nHTTPRequest.MPD_TYPE = 'MPD';\nHTTPRequest.XLINK_EXPANSION_TYPE = 'XLinkExpansion';\nHTTPRequest.INIT_SEGMENT_TYPE = 'InitializationSegment';\nHTTPRequest.INDEX_SEGMENT_TYPE = 'IndexSegment';\nHTTPRequest.MEDIA_SEGMENT_TYPE = 'MediaSegment';\nHTTPRequest.BITSTREAM_SWITCHING_SEGMENT_TYPE = 'BitstreamSwitchingSegment';\nHTTPRequest.MSS_FRAGMENT_INFO_SEGMENT_TYPE = 'FragmentInfoSegment';\nHTTPRequest.DVB_REPORTING_TYPE = 'DVBReporting';\nHTTPRequest.LICENSE = 'license';\nHTTPRequest.OTHER_TYPE = 'other';\n\nexport {HTTPRequest, HTTPRequestTrace};\n","var bigInt=function(undefined){\"use strict\";var BASE=1e7,LOG_BASE=7,MAX_INT=9007199254740992,MAX_INT_ARR=smallToArray(MAX_INT),DEFAULT_ALPHABET=\"0123456789abcdefghijklmnopqrstuvwxyz\";var supportsNativeBigInt=typeof BigInt===\"function\";function Integer(v,radix,alphabet,caseSensitive){if(typeof v===\"undefined\")return Integer[0];if(typeof radix!==\"undefined\")return+radix===10&&!alphabet?parseValue(v):parseBase(v,radix,alphabet,caseSensitive);return parseValue(v)}function BigInteger(value,sign){this.value=value;this.sign=sign;this.isSmall=false}BigInteger.prototype=Object.create(Integer.prototype);function SmallInteger(value){this.value=value;this.sign=value<0;this.isSmall=true}SmallInteger.prototype=Object.create(Integer.prototype);function NativeBigInt(value){this.value=value}NativeBigInt.prototype=Object.create(Integer.prototype);function isPrecise(n){return-MAX_INT<n&&n<MAX_INT}function smallToArray(n){if(n<1e7)return[n];if(n<1e14)return[n%1e7,Math.floor(n/1e7)];return[n%1e7,Math.floor(n/1e7)%1e7,Math.floor(n/1e14)]}function arrayToSmall(arr){trim(arr);var length=arr.length;if(length<4&&compareAbs(arr,MAX_INT_ARR)<0){switch(length){case 0:return 0;case 1:return arr[0];case 2:return arr[0]+arr[1]*BASE;default:return arr[0]+(arr[1]+arr[2]*BASE)*BASE}}return arr}function trim(v){var i=v.length;while(v[--i]===0);v.length=i+1}function createArray(length){var x=new Array(length);var i=-1;while(++i<length){x[i]=0}return x}function truncate(n){if(n>0)return Math.floor(n);return Math.ceil(n)}function add(a,b){var l_a=a.length,l_b=b.length,r=new Array(l_a),carry=0,base=BASE,sum,i;for(i=0;i<l_b;i++){sum=a[i]+b[i]+carry;carry=sum>=base?1:0;r[i]=sum-carry*base}while(i<l_a){sum=a[i]+carry;carry=sum===base?1:0;r[i++]=sum-carry*base}if(carry>0)r.push(carry);return r}function addAny(a,b){if(a.length>=b.length)return add(a,b);return add(b,a)}function addSmall(a,carry){var l=a.length,r=new Array(l),base=BASE,sum,i;for(i=0;i<l;i++){sum=a[i]-base+carry;carry=Math.floor(sum/base);r[i]=sum-carry*base;carry+=1}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}BigInteger.prototype.add=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.subtract(n.negate())}var a=this.value,b=n.value;if(n.isSmall){return new BigInteger(addSmall(a,Math.abs(b)),this.sign)}return new BigInteger(addAny(a,b),this.sign)};BigInteger.prototype.plus=BigInteger.prototype.add;SmallInteger.prototype.add=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.subtract(n.negate())}var b=n.value;if(n.isSmall){if(isPrecise(a+b))return new SmallInteger(a+b);b=smallToArray(Math.abs(b))}return new BigInteger(addSmall(b,Math.abs(a)),a<0)};SmallInteger.prototype.plus=SmallInteger.prototype.add;NativeBigInt.prototype.add=function(v){return new NativeBigInt(this.value+parseValue(v).value)};NativeBigInt.prototype.plus=NativeBigInt.prototype.add;function subtract(a,b){var a_l=a.length,b_l=b.length,r=new Array(a_l),borrow=0,base=BASE,i,difference;for(i=0;i<b_l;i++){difference=a[i]-borrow-b[i];if(difference<0){difference+=base;borrow=1}else borrow=0;r[i]=difference}for(i=b_l;i<a_l;i++){difference=a[i]-borrow;if(difference<0)difference+=base;else{r[i++]=difference;break}r[i]=difference}for(;i<a_l;i++){r[i]=a[i]}trim(r);return r}function subtractAny(a,b,sign){var value;if(compareAbs(a,b)>=0){value=subtract(a,b)}else{value=subtract(b,a);sign=!sign}value=arrayToSmall(value);if(typeof value===\"number\"){if(sign)value=-value;return new SmallInteger(value)}return new BigInteger(value,sign)}function subtractSmall(a,b,sign){var l=a.length,r=new Array(l),carry=-b,base=BASE,i,difference;for(i=0;i<l;i++){difference=a[i]+carry;carry=Math.floor(difference/base);difference%=base;r[i]=difference<0?difference+base:difference}r=arrayToSmall(r);if(typeof r===\"number\"){if(sign)r=-r;return new SmallInteger(r)}return new BigInteger(r,sign)}BigInteger.prototype.subtract=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.add(n.negate())}var a=this.value,b=n.value;if(n.isSmall)return subtractSmall(a,Math.abs(b),this.sign);return subtractAny(a,b,this.sign)};BigInteger.prototype.minus=BigInteger.prototype.subtract;SmallInteger.prototype.subtract=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.add(n.negate())}var b=n.value;if(n.isSmall){return new SmallInteger(a-b)}return subtractSmall(b,Math.abs(a),a>=0)};SmallInteger.prototype.minus=SmallInteger.prototype.subtract;NativeBigInt.prototype.subtract=function(v){return new NativeBigInt(this.value-parseValue(v).value)};NativeBigInt.prototype.minus=NativeBigInt.prototype.subtract;BigInteger.prototype.negate=function(){return new BigInteger(this.value,!this.sign)};SmallInteger.prototype.negate=function(){var sign=this.sign;var small=new SmallInteger(-this.value);small.sign=!sign;return small};NativeBigInt.prototype.negate=function(){return new NativeBigInt(-this.value)};BigInteger.prototype.abs=function(){return new BigInteger(this.value,false)};SmallInteger.prototype.abs=function(){return new SmallInteger(Math.abs(this.value))};NativeBigInt.prototype.abs=function(){return new NativeBigInt(this.value>=0?this.value:-this.value)};function multiplyLong(a,b){var a_l=a.length,b_l=b.length,l=a_l+b_l,r=createArray(l),base=BASE,product,carry,i,a_i,b_j;for(i=0;i<a_l;++i){a_i=a[i];for(var j=0;j<b_l;++j){b_j=b[j];product=a_i*b_j+r[i+j];carry=Math.floor(product/base);r[i+j]=product-carry*base;r[i+j+1]+=carry}}trim(r);return r}function multiplySmall(a,b){var l=a.length,r=new Array(l),base=BASE,carry=0,product,i;for(i=0;i<l;i++){product=a[i]*b+carry;carry=Math.floor(product/base);r[i]=product-carry*base}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}function shiftLeft(x,n){var r=[];while(n-- >0)r.push(0);return r.concat(x)}function multiplyKaratsuba(x,y){var n=Math.max(x.length,y.length);if(n<=30)return multiplyLong(x,y);n=Math.ceil(n/2);var b=x.slice(n),a=x.slice(0,n),d=y.slice(n),c=y.slice(0,n);var ac=multiplyKaratsuba(a,c),bd=multiplyKaratsuba(b,d),abcd=multiplyKaratsuba(addAny(a,b),addAny(c,d));var product=addAny(addAny(ac,shiftLeft(subtract(subtract(abcd,ac),bd),n)),shiftLeft(bd,2*n));trim(product);return product}function useKaratsuba(l1,l2){return-.012*l1-.012*l2+15e-6*l1*l2>0}BigInteger.prototype.multiply=function(v){var n=parseValue(v),a=this.value,b=n.value,sign=this.sign!==n.sign,abs;if(n.isSmall){if(b===0)return Integer[0];if(b===1)return this;if(b===-1)return this.negate();abs=Math.abs(b);if(abs<BASE){return new BigInteger(multiplySmall(a,abs),sign)}b=smallToArray(abs)}if(useKaratsuba(a.length,b.length))return new BigInteger(multiplyKaratsuba(a,b),sign);return new BigInteger(multiplyLong(a,b),sign)};BigInteger.prototype.times=BigInteger.prototype.multiply;function multiplySmallAndArray(a,b,sign){if(a<BASE){return new BigInteger(multiplySmall(b,a),sign)}return new BigInteger(multiplyLong(b,smallToArray(a)),sign)}SmallInteger.prototype._multiplyBySmall=function(a){if(isPrecise(a.value*this.value)){return new SmallInteger(a.value*this.value)}return multiplySmallAndArray(Math.abs(a.value),smallToArray(Math.abs(this.value)),this.sign!==a.sign)};BigInteger.prototype._multiplyBySmall=function(a){if(a.value===0)return Integer[0];if(a.value===1)return this;if(a.value===-1)return this.negate();return multiplySmallAndArray(Math.abs(a.value),this.value,this.sign!==a.sign)};SmallInteger.prototype.multiply=function(v){return parseValue(v)._multiplyBySmall(this)};SmallInteger.prototype.times=SmallInteger.prototype.multiply;NativeBigInt.prototype.multiply=function(v){return new NativeBigInt(this.value*parseValue(v).value)};NativeBigInt.prototype.times=NativeBigInt.prototype.multiply;function square(a){var l=a.length,r=createArray(l+l),base=BASE,product,carry,i,a_i,a_j;for(i=0;i<l;i++){a_i=a[i];carry=0-a_i*a_i;for(var j=i;j<l;j++){a_j=a[j];product=2*(a_i*a_j)+r[i+j]+carry;carry=Math.floor(product/base);r[i+j]=product-carry*base}r[i+l]=carry}trim(r);return r}BigInteger.prototype.square=function(){return new BigInteger(square(this.value),false)};SmallInteger.prototype.square=function(){var value=this.value*this.value;if(isPrecise(value))return new SmallInteger(value);return new BigInteger(square(smallToArray(Math.abs(this.value))),false)};NativeBigInt.prototype.square=function(v){return new NativeBigInt(this.value*this.value)};function divMod1(a,b){var a_l=a.length,b_l=b.length,base=BASE,result=createArray(b.length),divisorMostSignificantDigit=b[b_l-1],lambda=Math.ceil(base/(2*divisorMostSignificantDigit)),remainder=multiplySmall(a,lambda),divisor=multiplySmall(b,lambda),quotientDigit,shift,carry,borrow,i,l,q;if(remainder.length<=a_l)remainder.push(0);divisor.push(0);divisorMostSignificantDigit=divisor[b_l-1];for(shift=a_l-b_l;shift>=0;shift--){quotientDigit=base-1;if(remainder[shift+b_l]!==divisorMostSignificantDigit){quotientDigit=Math.floor((remainder[shift+b_l]*base+remainder[shift+b_l-1])/divisorMostSignificantDigit)}carry=0;borrow=0;l=divisor.length;for(i=0;i<l;i++){carry+=quotientDigit*divisor[i];q=Math.floor(carry/base);borrow+=remainder[shift+i]-(carry-q*base);carry=q;if(borrow<0){remainder[shift+i]=borrow+base;borrow=-1}else{remainder[shift+i]=borrow;borrow=0}}while(borrow!==0){quotientDigit-=1;carry=0;for(i=0;i<l;i++){carry+=remainder[shift+i]-base+divisor[i];if(carry<0){remainder[shift+i]=carry+base;carry=0}else{remainder[shift+i]=carry;carry=1}}borrow+=carry}result[shift]=quotientDigit}remainder=divModSmall(remainder,lambda)[0];return[arrayToSmall(result),arrayToSmall(remainder)]}function divMod2(a,b){var a_l=a.length,b_l=b.length,result=[],part=[],base=BASE,guess,xlen,highx,highy,check;while(a_l){part.unshift(a[--a_l]);trim(part);if(compareAbs(part,b)<0){result.push(0);continue}xlen=part.length;highx=part[xlen-1]*base+part[xlen-2];highy=b[b_l-1]*base+b[b_l-2];if(xlen>b_l){highx=(highx+1)*base}guess=Math.ceil(highx/highy);do{check=multiplySmall(b,guess);if(compareAbs(check,part)<=0)break;guess--}while(guess);result.push(guess);part=subtract(part,check)}result.reverse();return[arrayToSmall(result),arrayToSmall(part)]}function divModSmall(value,lambda){var length=value.length,quotient=createArray(length),base=BASE,i,q,remainder,divisor;remainder=0;for(i=length-1;i>=0;--i){divisor=remainder*base+value[i];q=truncate(divisor/lambda);remainder=divisor-q*lambda;quotient[i]=q|0}return[quotient,remainder|0]}function divModAny(self,v){var value,n=parseValue(v);if(supportsNativeBigInt){return[new NativeBigInt(self.value/n.value),new NativeBigInt(self.value%n.value)]}var a=self.value,b=n.value;var quotient;if(b===0)throw new Error(\"Cannot divide by zero\");if(self.isSmall){if(n.isSmall){return[new SmallInteger(truncate(a/b)),new SmallInteger(a%b)]}return[Integer[0],self]}if(n.isSmall){if(b===1)return[self,Integer[0]];if(b==-1)return[self.negate(),Integer[0]];var abs=Math.abs(b);if(abs<BASE){value=divModSmall(a,abs);quotient=arrayToSmall(value[0]);var remainder=value[1];if(self.sign)remainder=-remainder;if(typeof quotient===\"number\"){if(self.sign!==n.sign)quotient=-quotient;return[new SmallInteger(quotient),new SmallInteger(remainder)]}return[new BigInteger(quotient,self.sign!==n.sign),new SmallInteger(remainder)]}b=smallToArray(abs)}var comparison=compareAbs(a,b);if(comparison===-1)return[Integer[0],self];if(comparison===0)return[Integer[self.sign===n.sign?1:-1],Integer[0]];if(a.length+b.length<=200)value=divMod1(a,b);else value=divMod2(a,b);quotient=value[0];var qSign=self.sign!==n.sign,mod=value[1],mSign=self.sign;if(typeof quotient===\"number\"){if(qSign)quotient=-quotient;quotient=new SmallInteger(quotient)}else quotient=new BigInteger(quotient,qSign);if(typeof mod===\"number\"){if(mSign)mod=-mod;mod=new SmallInteger(mod)}else mod=new BigInteger(mod,mSign);return[quotient,mod]}BigInteger.prototype.divmod=function(v){var result=divModAny(this,v);return{quotient:result[0],remainder:result[1]}};NativeBigInt.prototype.divmod=SmallInteger.prototype.divmod=BigInteger.prototype.divmod;BigInteger.prototype.divide=function(v){return divModAny(this,v)[0]};NativeBigInt.prototype.over=NativeBigInt.prototype.divide=function(v){return new NativeBigInt(this.value/parseValue(v).value)};SmallInteger.prototype.over=SmallInteger.prototype.divide=BigInteger.prototype.over=BigInteger.prototype.divide;BigInteger.prototype.mod=function(v){return divModAny(this,v)[1]};NativeBigInt.prototype.mod=NativeBigInt.prototype.remainder=function(v){return new NativeBigInt(this.value%parseValue(v).value)};SmallInteger.prototype.remainder=SmallInteger.prototype.mod=BigInteger.prototype.remainder=BigInteger.prototype.mod;BigInteger.prototype.pow=function(v){var n=parseValue(v),a=this.value,b=n.value,value,x,y;if(b===0)return Integer[1];if(a===0)return Integer[0];if(a===1)return Integer[1];if(a===-1)return n.isEven()?Integer[1]:Integer[-1];if(n.sign){return Integer[0]}if(!n.isSmall)throw new Error(\"The exponent \"+n.toString()+\" is too large.\");if(this.isSmall){if(isPrecise(value=Math.pow(a,b)))return new SmallInteger(truncate(value))}x=this;y=Integer[1];while(true){if(b&1===1){y=y.times(x);--b}if(b===0)break;b/=2;x=x.square()}return y};SmallInteger.prototype.pow=BigInteger.prototype.pow;NativeBigInt.prototype.pow=function(v){var n=parseValue(v);var a=this.value,b=n.value;var _0=BigInt(0),_1=BigInt(1),_2=BigInt(2);if(b===_0)return Integer[1];if(a===_0)return Integer[0];if(a===_1)return Integer[1];if(a===BigInt(-1))return n.isEven()?Integer[1]:Integer[-1];if(n.isNegative())return new NativeBigInt(_0);var x=this;var y=Integer[1];while(true){if((b&_1)===_1){y=y.times(x);--b}if(b===_0)break;b/=_2;x=x.square()}return y};BigInteger.prototype.modPow=function(exp,mod){exp=parseValue(exp);mod=parseValue(mod);if(mod.isZero())throw new Error(\"Cannot take modPow with modulus 0\");var r=Integer[1],base=this.mod(mod);while(exp.isPositive()){if(base.isZero())return Integer[0];if(exp.isOdd())r=r.multiply(base).mod(mod);exp=exp.divide(2);base=base.square().mod(mod)}return r};NativeBigInt.prototype.modPow=SmallInteger.prototype.modPow=BigInteger.prototype.modPow;function compareAbs(a,b){if(a.length!==b.length){return a.length>b.length?1:-1}for(var i=a.length-1;i>=0;i--){if(a[i]!==b[i])return a[i]>b[i]?1:-1}return 0}BigInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall)return 1;return compareAbs(a,b)};SmallInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=Math.abs(this.value),b=n.value;if(n.isSmall){b=Math.abs(b);return a===b?0:a>b?1:-1}return-1};NativeBigInt.prototype.compareAbs=function(v){var a=this.value;var b=parseValue(v).value;a=a>=0?a:-a;b=b>=0?b:-b;return a===b?0:a>b?1:-1};BigInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(this.sign!==n.sign){return n.sign?1:-1}if(n.isSmall){return this.sign?-1:1}return compareAbs(a,b)*(this.sign?-1:1)};BigInteger.prototype.compareTo=BigInteger.prototype.compare;SmallInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall){return a==b?0:a>b?1:-1}if(a<0!==n.sign){return a<0?-1:1}return a<0?1:-1};SmallInteger.prototype.compareTo=SmallInteger.prototype.compare;NativeBigInt.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var a=this.value;var b=parseValue(v).value;return a===b?0:a>b?1:-1};NativeBigInt.prototype.compareTo=NativeBigInt.prototype.compare;BigInteger.prototype.equals=function(v){return this.compare(v)===0};NativeBigInt.prototype.eq=NativeBigInt.prototype.equals=SmallInteger.prototype.eq=SmallInteger.prototype.equals=BigInteger.prototype.eq=BigInteger.prototype.equals;BigInteger.prototype.notEquals=function(v){return this.compare(v)!==0};NativeBigInt.prototype.neq=NativeBigInt.prototype.notEquals=SmallInteger.prototype.neq=SmallInteger.prototype.notEquals=BigInteger.prototype.neq=BigInteger.prototype.notEquals;BigInteger.prototype.greater=function(v){return this.compare(v)>0};NativeBigInt.prototype.gt=NativeBigInt.prototype.greater=SmallInteger.prototype.gt=SmallInteger.prototype.greater=BigInteger.prototype.gt=BigInteger.prototype.greater;BigInteger.prototype.lesser=function(v){return this.compare(v)<0};NativeBigInt.prototype.lt=NativeBigInt.prototype.lesser=SmallInteger.prototype.lt=SmallInteger.prototype.lesser=BigInteger.prototype.lt=BigInteger.prototype.lesser;BigInteger.prototype.greaterOrEquals=function(v){return this.compare(v)>=0};NativeBigInt.prototype.geq=NativeBigInt.prototype.greaterOrEquals=SmallInteger.prototype.geq=SmallInteger.prototype.greaterOrEquals=BigInteger.prototype.geq=BigInteger.prototype.greaterOrEquals;BigInteger.prototype.lesserOrEquals=function(v){return this.compare(v)<=0};NativeBigInt.prototype.leq=NativeBigInt.prototype.lesserOrEquals=SmallInteger.prototype.leq=SmallInteger.prototype.lesserOrEquals=BigInteger.prototype.leq=BigInteger.prototype.lesserOrEquals;BigInteger.prototype.isEven=function(){return(this.value[0]&1)===0};SmallInteger.prototype.isEven=function(){return(this.value&1)===0};NativeBigInt.prototype.isEven=function(){return(this.value&BigInt(1))===BigInt(0)};BigInteger.prototype.isOdd=function(){return(this.value[0]&1)===1};SmallInteger.prototype.isOdd=function(){return(this.value&1)===1};NativeBigInt.prototype.isOdd=function(){return(this.value&BigInt(1))===BigInt(1)};BigInteger.prototype.isPositive=function(){return!this.sign};SmallInteger.prototype.isPositive=function(){return this.value>0};NativeBigInt.prototype.isPositive=SmallInteger.prototype.isPositive;BigInteger.prototype.isNegative=function(){return this.sign};SmallInteger.prototype.isNegative=function(){return this.value<0};NativeBigInt.prototype.isNegative=SmallInteger.prototype.isNegative;BigInteger.prototype.isUnit=function(){return false};SmallInteger.prototype.isUnit=function(){return Math.abs(this.value)===1};NativeBigInt.prototype.isUnit=function(){return this.abs().value===BigInt(1)};BigInteger.prototype.isZero=function(){return false};SmallInteger.prototype.isZero=function(){return this.value===0};NativeBigInt.prototype.isZero=function(){return this.value===BigInt(0)};BigInteger.prototype.isDivisibleBy=function(v){var n=parseValue(v);if(n.isZero())return false;if(n.isUnit())return true;if(n.compareAbs(2)===0)return this.isEven();return this.mod(n).isZero()};NativeBigInt.prototype.isDivisibleBy=SmallInteger.prototype.isDivisibleBy=BigInteger.prototype.isDivisibleBy;function isBasicPrime(v){var n=v.abs();if(n.isUnit())return false;if(n.equals(2)||n.equals(3)||n.equals(5))return true;if(n.isEven()||n.isDivisibleBy(3)||n.isDivisibleBy(5))return false;if(n.lesser(49))return true}function millerRabinTest(n,a){var nPrev=n.prev(),b=nPrev,r=0,d,t,i,x;while(b.isEven())b=b.divide(2),r++;next:for(i=0;i<a.length;i++){if(n.lesser(a[i]))continue;x=bigInt(a[i]).modPow(b,n);if(x.isUnit()||x.equals(nPrev))continue;for(d=r-1;d!=0;d--){x=x.square().mod(n);if(x.isUnit())return false;if(x.equals(nPrev))continue next}return false}return true}BigInteger.prototype.isPrime=function(strict){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs();var bits=n.bitLength();if(bits<=64)return millerRabinTest(n,[2,3,5,7,11,13,17,19,23,29,31,37]);var logN=Math.log(2)*bits.toJSNumber();var t=Math.ceil(strict===true?2*Math.pow(logN,2):logN);for(var a=[],i=0;i<t;i++){a.push(bigInt(i+2))}return millerRabinTest(n,a)};NativeBigInt.prototype.isPrime=SmallInteger.prototype.isPrime=BigInteger.prototype.isPrime;BigInteger.prototype.isProbablePrime=function(iterations){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs();var t=iterations===undefined?5:iterations;for(var a=[],i=0;i<t;i++){a.push(bigInt.randBetween(2,n.minus(2)))}return millerRabinTest(n,a)};NativeBigInt.prototype.isProbablePrime=SmallInteger.prototype.isProbablePrime=BigInteger.prototype.isProbablePrime;BigInteger.prototype.modInv=function(n){var t=bigInt.zero,newT=bigInt.one,r=parseValue(n),newR=this.abs(),q,lastT,lastR;while(!newR.isZero()){q=r.divide(newR);lastT=t;lastR=r;t=newT;r=newR;newT=lastT.subtract(q.multiply(newT));newR=lastR.subtract(q.multiply(newR))}if(!r.isUnit())throw new Error(this.toString()+\" and \"+n.toString()+\" are not co-prime\");if(t.compare(0)===-1){t=t.add(n)}if(this.isNegative()){return t.negate()}return t};NativeBigInt.prototype.modInv=SmallInteger.prototype.modInv=BigInteger.prototype.modInv;BigInteger.prototype.next=function(){var value=this.value;if(this.sign){return subtractSmall(value,1,this.sign)}return new BigInteger(addSmall(value,1),this.sign)};SmallInteger.prototype.next=function(){var value=this.value;if(value+1<MAX_INT)return new SmallInteger(value+1);return new BigInteger(MAX_INT_ARR,false)};NativeBigInt.prototype.next=function(){return new NativeBigInt(this.value+BigInt(1))};BigInteger.prototype.prev=function(){var value=this.value;if(this.sign){return new BigInteger(addSmall(value,1),true)}return subtractSmall(value,1,this.sign)};SmallInteger.prototype.prev=function(){var value=this.value;if(value-1>-MAX_INT)return new SmallInteger(value-1);return new BigInteger(MAX_INT_ARR,true)};NativeBigInt.prototype.prev=function(){return new NativeBigInt(this.value-BigInt(1))};var powersOfTwo=[1];while(2*powersOfTwo[powersOfTwo.length-1]<=BASE)powersOfTwo.push(2*powersOfTwo[powersOfTwo.length-1]);var powers2Length=powersOfTwo.length,highestPower2=powersOfTwo[powers2Length-1];function shift_isSmall(n){return Math.abs(n)<=BASE}BigInteger.prototype.shiftLeft=function(v){var n=parseValue(v).toJSNumber();if(!shift_isSmall(n)){throw new Error(String(n)+\" is too large for shifting.\")}if(n<0)return this.shiftRight(-n);var result=this;if(result.isZero())return result;while(n>=powers2Length){result=result.multiply(highestPower2);n-=powers2Length-1}return result.multiply(powersOfTwo[n])};NativeBigInt.prototype.shiftLeft=SmallInteger.prototype.shiftLeft=BigInteger.prototype.shiftLeft;BigInteger.prototype.shiftRight=function(v){var remQuo;var n=parseValue(v).toJSNumber();if(!shift_isSmall(n)){throw new Error(String(n)+\" is too large for shifting.\")}if(n<0)return this.shiftLeft(-n);var result=this;while(n>=powers2Length){if(result.isZero()||result.isNegative()&&result.isUnit())return result;remQuo=divModAny(result,highestPower2);result=remQuo[1].isNegative()?remQuo[0].prev():remQuo[0];n-=powers2Length-1}remQuo=divModAny(result,powersOfTwo[n]);return remQuo[1].isNegative()?remQuo[0].prev():remQuo[0]};NativeBigInt.prototype.shiftRight=SmallInteger.prototype.shiftRight=BigInteger.prototype.shiftRight;function bitwise(x,y,fn){y=parseValue(y);var xSign=x.isNegative(),ySign=y.isNegative();var xRem=xSign?x.not():x,yRem=ySign?y.not():y;var xDigit=0,yDigit=0;var xDivMod=null,yDivMod=null;var result=[];while(!xRem.isZero()||!yRem.isZero()){xDivMod=divModAny(xRem,highestPower2);xDigit=xDivMod[1].toJSNumber();if(xSign){xDigit=highestPower2-1-xDigit}yDivMod=divModAny(yRem,highestPower2);yDigit=yDivMod[1].toJSNumber();if(ySign){yDigit=highestPower2-1-yDigit}xRem=xDivMod[0];yRem=yDivMod[0];result.push(fn(xDigit,yDigit))}var sum=fn(xSign?1:0,ySign?1:0)!==0?bigInt(-1):bigInt(0);for(var i=result.length-1;i>=0;i-=1){sum=sum.multiply(highestPower2).add(bigInt(result[i]))}return sum}BigInteger.prototype.not=function(){return this.negate().prev()};NativeBigInt.prototype.not=SmallInteger.prototype.not=BigInteger.prototype.not;BigInteger.prototype.and=function(n){return bitwise(this,n,function(a,b){return a&b})};NativeBigInt.prototype.and=SmallInteger.prototype.and=BigInteger.prototype.and;BigInteger.prototype.or=function(n){return bitwise(this,n,function(a,b){return a|b})};NativeBigInt.prototype.or=SmallInteger.prototype.or=BigInteger.prototype.or;BigInteger.prototype.xor=function(n){return bitwise(this,n,function(a,b){return a^b})};NativeBigInt.prototype.xor=SmallInteger.prototype.xor=BigInteger.prototype.xor;var LOBMASK_I=1<<30,LOBMASK_BI=(BASE&-BASE)*(BASE&-BASE)|LOBMASK_I;function roughLOB(n){var v=n.value,x=typeof v===\"number\"?v|LOBMASK_I:typeof v===\"bigint\"?v|BigInt(LOBMASK_I):v[0]+v[1]*BASE|LOBMASK_BI;return x&-x}function integerLogarithm(value,base){if(base.compareTo(value)<=0){var tmp=integerLogarithm(value,base.square(base));var p=tmp.p;var e=tmp.e;var t=p.multiply(base);return t.compareTo(value)<=0?{p:t,e:e*2+1}:{p:p,e:e*2}}return{p:bigInt(1),e:0}}BigInteger.prototype.bitLength=function(){var n=this;if(n.compareTo(bigInt(0))<0){n=n.negate().subtract(bigInt(1))}if(n.compareTo(bigInt(0))===0){return bigInt(0)}return bigInt(integerLogarithm(n,bigInt(2)).e).add(bigInt(1))};NativeBigInt.prototype.bitLength=SmallInteger.prototype.bitLength=BigInteger.prototype.bitLength;function max(a,b){a=parseValue(a);b=parseValue(b);return a.greater(b)?a:b}function min(a,b){a=parseValue(a);b=parseValue(b);return a.lesser(b)?a:b}function gcd(a,b){a=parseValue(a).abs();b=parseValue(b).abs();if(a.equals(b))return a;if(a.isZero())return b;if(b.isZero())return a;var c=Integer[1],d,t;while(a.isEven()&&b.isEven()){d=min(roughLOB(a),roughLOB(b));a=a.divide(d);b=b.divide(d);c=c.multiply(d)}while(a.isEven()){a=a.divide(roughLOB(a))}do{while(b.isEven()){b=b.divide(roughLOB(b))}if(a.greater(b)){t=b;b=a;a=t}b=b.subtract(a)}while(!b.isZero());return c.isUnit()?a:a.multiply(c)}function lcm(a,b){a=parseValue(a).abs();b=parseValue(b).abs();return a.divide(gcd(a,b)).multiply(b)}function randBetween(a,b){a=parseValue(a);b=parseValue(b);var low=min(a,b),high=max(a,b);var range=high.subtract(low).add(1);if(range.isSmall)return low.add(Math.floor(Math.random()*range));var digits=toBase(range,BASE).value;var result=[],restricted=true;for(var i=0;i<digits.length;i++){var top=restricted?digits[i]:BASE;var digit=truncate(Math.random()*top);result.push(digit);if(digit<top)restricted=false}return low.add(Integer.fromArray(result,BASE,false))}var parseBase=function(text,base,alphabet,caseSensitive){alphabet=alphabet||DEFAULT_ALPHABET;text=String(text);if(!caseSensitive){text=text.toLowerCase();alphabet=alphabet.toLowerCase()}var length=text.length;var i;var absBase=Math.abs(base);var alphabetValues={};for(i=0;i<alphabet.length;i++){alphabetValues[alphabet[i]]=i}for(i=0;i<length;i++){var c=text[i];if(c===\"-\")continue;if(c in alphabetValues){if(alphabetValues[c]>=absBase){if(c===\"1\"&&absBase===1)continue;throw new Error(c+\" is not a valid digit in base \"+base+\".\")}}}base=parseValue(base);var digits=[];var isNegative=text[0]===\"-\";for(i=isNegative?1:0;i<text.length;i++){var c=text[i];if(c in alphabetValues)digits.push(parseValue(alphabetValues[c]));else if(c===\"<\"){var start=i;do{i++}while(text[i]!==\">\"&&i<text.length);digits.push(parseValue(text.slice(start+1,i)))}else throw new Error(c+\" is not a valid character\")}return parseBaseFromArray(digits,base,isNegative)};function parseBaseFromArray(digits,base,isNegative){var val=Integer[0],pow=Integer[1],i;for(i=digits.length-1;i>=0;i--){val=val.add(digits[i].times(pow));pow=pow.times(base)}return isNegative?val.negate():val}function stringify(digit,alphabet){alphabet=alphabet||DEFAULT_ALPHABET;if(digit<alphabet.length){return alphabet[digit]}return\"<\"+digit+\">\"}function toBase(n,base){base=bigInt(base);if(base.isZero()){if(n.isZero())return{value:[0],isNegative:false};throw new Error(\"Cannot convert nonzero numbers to base 0.\")}if(base.equals(-1)){if(n.isZero())return{value:[0],isNegative:false};if(n.isNegative())return{value:[].concat.apply([],Array.apply(null,Array(-n.toJSNumber())).map(Array.prototype.valueOf,[1,0])),isNegative:false};var arr=Array.apply(null,Array(n.toJSNumber()-1)).map(Array.prototype.valueOf,[0,1]);arr.unshift([1]);return{value:[].concat.apply([],arr),isNegative:false}}var neg=false;if(n.isNegative()&&base.isPositive()){neg=true;n=n.abs()}if(base.isUnit()){if(n.isZero())return{value:[0],isNegative:false};return{value:Array.apply(null,Array(n.toJSNumber())).map(Number.prototype.valueOf,1),isNegative:neg}}var out=[];var left=n,divmod;while(left.isNegative()||left.compareAbs(base)>=0){divmod=left.divmod(base);left=divmod.quotient;var digit=divmod.remainder;if(digit.isNegative()){digit=base.minus(digit).abs();left=left.next()}out.push(digit.toJSNumber())}out.push(left.toJSNumber());return{value:out.reverse(),isNegative:neg}}function toBaseString(n,base,alphabet){var arr=toBase(n,base);return(arr.isNegative?\"-\":\"\")+arr.value.map(function(x){return stringify(x,alphabet)}).join(\"\")}BigInteger.prototype.toArray=function(radix){return toBase(this,radix)};SmallInteger.prototype.toArray=function(radix){return toBase(this,radix)};NativeBigInt.prototype.toArray=function(radix){return toBase(this,radix)};BigInteger.prototype.toString=function(radix,alphabet){if(radix===undefined)radix=10;if(radix!==10)return toBaseString(this,radix,alphabet);var v=this.value,l=v.length,str=String(v[--l]),zeros=\"0000000\",digit;while(--l>=0){digit=String(v[l]);str+=zeros.slice(digit.length)+digit}var sign=this.sign?\"-\":\"\";return sign+str};SmallInteger.prototype.toString=function(radix,alphabet){if(radix===undefined)radix=10;if(radix!=10)return toBaseString(this,radix,alphabet);return String(this.value)};NativeBigInt.prototype.toString=SmallInteger.prototype.toString;NativeBigInt.prototype.toJSON=BigInteger.prototype.toJSON=SmallInteger.prototype.toJSON=function(){return this.toString()};BigInteger.prototype.valueOf=function(){return parseInt(this.toString(),10)};BigInteger.prototype.toJSNumber=BigInteger.prototype.valueOf;SmallInteger.prototype.valueOf=function(){return this.value};SmallInteger.prototype.toJSNumber=SmallInteger.prototype.valueOf;NativeBigInt.prototype.valueOf=NativeBigInt.prototype.toJSNumber=function(){return parseInt(this.toString(),10)};function parseStringValue(v){if(isPrecise(+v)){var x=+v;if(x===truncate(x))return supportsNativeBigInt?new NativeBigInt(BigInt(x)):new SmallInteger(x);throw new Error(\"Invalid integer: \"+v)}var sign=v[0]===\"-\";if(sign)v=v.slice(1);var split=v.split(/e/i);if(split.length>2)throw new Error(\"Invalid integer: \"+split.join(\"e\"));if(split.length===2){var exp=split[1];if(exp[0]===\"+\")exp=exp.slice(1);exp=+exp;if(exp!==truncate(exp)||!isPrecise(exp))throw new Error(\"Invalid integer: \"+exp+\" is not a valid exponent.\");var text=split[0];var decimalPlace=text.indexOf(\".\");if(decimalPlace>=0){exp-=text.length-decimalPlace-1;text=text.slice(0,decimalPlace)+text.slice(decimalPlace+1)}if(exp<0)throw new Error(\"Cannot include negative exponent part for integers\");text+=new Array(exp+1).join(\"0\");v=text}var isValid=/^([0-9][0-9]*)$/.test(v);if(!isValid)throw new Error(\"Invalid integer: \"+v);if(supportsNativeBigInt){return new NativeBigInt(BigInt(sign?\"-\"+v:v))}var r=[],max=v.length,l=LOG_BASE,min=max-l;while(max>0){r.push(+v.slice(min,max));min-=l;if(min<0)min=0;max-=l}trim(r);return new BigInteger(r,sign)}function parseNumberValue(v){if(supportsNativeBigInt){return new NativeBigInt(BigInt(v))}if(isPrecise(v)){if(v!==truncate(v))throw new Error(v+\" is not an integer.\");return new SmallInteger(v)}return parseStringValue(v.toString())}function parseValue(v){if(typeof v===\"number\"){return parseNumberValue(v)}if(typeof v===\"string\"){return parseStringValue(v)}if(typeof v===\"bigint\"){return new NativeBigInt(v)}return v}for(var i=0;i<1e3;i++){Integer[i]=parseValue(i);if(i>0)Integer[-i]=parseValue(-i)}Integer.one=Integer[1];Integer.zero=Integer[0];Integer.minusOne=Integer[-1];Integer.max=max;Integer.min=min;Integer.gcd=gcd;Integer.lcm=lcm;Integer.isInstance=function(x){return x instanceof BigInteger||x instanceof SmallInteger||x instanceof NativeBigInt};Integer.randBetween=randBetween;Integer.fromArray=function(digits,base,isNegative){return parseBaseFromArray(digits.map(parseValue),parseValue(base||10),isNegative)};return Integer}();if(typeof module!==\"undefined\"&&module.hasOwnProperty(\"exports\")){module.exports=bigInt}if(typeof define===\"function\"&&define.amd){define(\"big-integer\",[],function(){return bigInt})}","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\n/**\n * @class\n * @ignore\n */\nclass DataChunk {\n //Represents a data structure that keep all the necessary info about a single init/media segment\n constructor() {\n this.streamId = null;\n this.mediaInfo = null;\n this.segmentType = null;\n this.quality = NaN;\n this.index = NaN;\n this.bytes = null;\n this.start = NaN;\n this.end = NaN;\n this.duration = NaN;\n this.representationId = null;\n this.endFragment = null;\n }\n}\n\nexport default DataChunk;","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\nimport FragmentRequest from '../streaming/vo/FragmentRequest';\nimport {HTTPRequest} from '../streaming/vo/metrics/HTTPRequest';\n\nfunction MssFragmentInfoController(config) {\n\n config = config || {};\n\n let instance,\n logger,\n fragmentModel,\n started,\n type,\n loadFragmentTimeout,\n startTime,\n startFragmentTime,\n index;\n\n const streamProcessor = config.streamProcessor;\n const baseURLController = config.baseURLController;\n const debug = config.debug;\n const controllerType = 'MssFragmentInfoController';\n\n function setup() {\n logger = debug.getLogger(instance);\n }\n\n function initialize() {\n type = streamProcessor.getType();\n fragmentModel = streamProcessor.getFragmentModel();\n\n started = false;\n startTime = null;\n startFragmentTime = null;\n }\n\n function start() {\n if (started) return;\n\n logger.debug('Start');\n\n started = true;\n index = 0;\n\n loadNextFragmentInfo();\n }\n\n function stop() {\n if (!started) return;\n\n logger.debug('Stop');\n\n clearTimeout(loadFragmentTimeout);\n started = false;\n startTime = null;\n startFragmentTime = null;\n }\n\n function reset() {\n stop();\n }\n\n function loadNextFragmentInfo() {\n if (!started) return;\n\n // Get last segment from SegmentTimeline\n const representation = getCurrentRepresentation();\n const manifest = representation.adaptation.period.mpd.manifest;\n const adaptation = manifest.Period_asArray[representation.adaptation.period.index].AdaptationSet_asArray[representation.adaptation.index];\n const segments = adaptation.SegmentTemplate.SegmentTimeline.S_asArray;\n const segment = segments[segments.length - 1];\n\n // logger.debug('Last fragment time: ' + (segment.t / adaptation.SegmentTemplate.timescale));\n\n // Generate segment request\n const request = getRequestForSegment(adaptation, representation, segment);\n\n // Send segment request\n requestFragment.call(this, request);\n }\n\n function getRequestForSegment(adaptation, representation, segment) {\n let timescale = adaptation.SegmentTemplate.timescale;\n let request = new FragmentRequest();\n\n request.mediaType = type;\n request.type = HTTPRequest.MSS_FRAGMENT_INFO_SEGMENT_TYPE;\n // request.range = segment.mediaRange;\n request.startTime = segment.t / timescale;\n request.duration = segment.d / timescale;\n request.timescale = timescale;\n // request.availabilityStartTime = segment.availabilityStartTime;\n // request.availabilityEndTime = segment.availabilityEndTime;\n // request.wallStartTime = segment.wallStartTime;\n request.quality = representation.index;\n request.index = index++;\n request.mediaInfo = streamProcessor.getMediaInfo();\n request.adaptationIndex = representation.adaptation.index;\n request.representationId = representation.id;\n request.url = baseURLController.resolve(representation.path).url + adaptation.SegmentTemplate.media;\n request.url = request.url.replace('$Bandwidth$', representation.bandwidth);\n request.url = request.url.replace('$Time$', segment.tManifest ? segment.tManifest : segment.t);\n request.url = request.url.replace('/Fragments(', '/FragmentInfo(');\n\n return request;\n }\n\n function getCurrentRepresentation() {\n const representationController = streamProcessor.getRepresentationController();\n const representation = representationController.getCurrentRepresentation();\n return representation;\n }\n\n function requestFragment(request) {\n // logger.debug('Load FragmentInfo for time: ' + request.startTime);\n if (streamProcessor.getFragmentModel().isFragmentLoadedOrPending(request)) {\n // We may have reached end of timeline in case of start-over streams\n logger.debug('End of timeline');\n stop();\n return;\n }\n\n fragmentModel.executeRequest(request);\n }\n\n function fragmentInfoLoaded (e) {\n if (!started) return;\n\n const request = e.request;\n if (!e.response) {\n logger.error('Load error', request.url);\n return;\n }\n\n let deltaFragmentTime,\n deltaTime,\n delay;\n\n // logger.debug('FragmentInfo loaded: ', request.url);\n\n if (startTime === null) {\n startTime = new Date().getTime();\n }\n\n if (!startFragmentTime) {\n startFragmentTime = request.startTime;\n }\n\n // Determine delay before requesting next FragmentInfo\n deltaTime = (new Date().getTime() - startTime) / 1000;\n deltaFragmentTime = (request.startTime + request.duration) - startFragmentTime;\n delay = Math.max(0, (deltaFragmentTime - deltaTime));\n\n // Set timeout for requesting next FragmentInfo\n clearTimeout(loadFragmentTimeout);\n loadFragmentTimeout = setTimeout(function () {\n loadFragmentTimeout = null;\n loadNextFragmentInfo();\n }, delay * 1000);\n }\n\n function getType() {\n return type;\n }\n\n instance = {\n initialize: initialize,\n controllerType: controllerType,\n start: start,\n fragmentInfoLoaded: fragmentInfoLoaded,\n getType: getType,\n reset: reset\n };\n\n setup();\n\n return instance;\n}\n\nMssFragmentInfoController.__dashjs_factory_name = 'MssFragmentInfoController';\nexport default dashjs.FactoryMaker.getClassFactory(MssFragmentInfoController); /* jshint ignore:line */\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\nimport ErrorsBase from '../../core/errors/ErrorsBase';\n\n/**\n * @class\n *\n */\nclass MssErrors extends ErrorsBase {\n constructor() {\n super();\n /**\n * Error code returned when no tfrf box is detected in MSS live stream\n */\n this.MSS_NO_TFRF_CODE = 200;\n\n /**\n * Error code returned when one of the codecs defined in the manifest is not supported\n */\n this.MSS_UNSUPPORTED_CODEC_CODE = 201;\n\n this.MSS_NO_TFRF_MESSAGE = 'Missing tfrf in live media segment';\n this.MSS_UNSUPPORTED_CODEC_MESSAGE = 'Unsupported codec';\n }\n}\n\nlet mssErrors = new MssErrors();\nexport default mssErrors;\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\nimport DashJSError from '../streaming/vo/DashJSError';\nimport MssErrors from './errors/MssErrors';\n\nimport Events from '../streaming/MediaPlayerEvents';\n\n/**\n * @module MssFragmentMoofProcessor\n * @ignore\n * @param {Object} config object\n */\nfunction MssFragmentMoofProcessor(config) {\n\n config = config || {};\n let instance,\n type,\n logger;\n const dashMetrics = config.dashMetrics;\n const playbackController = config.playbackController;\n const errorHandler = config.errHandler;\n const eventBus = config.eventBus;\n const ISOBoxer = config.ISOBoxer;\n const debug = config.debug;\n\n function setup() {\n logger = debug.getLogger(instance);\n type = '';\n }\n\n function processTfrf(request, tfrf, tfdt, streamProcessor) {\n const representationController = streamProcessor.getRepresentationController();\n const representation = representationController.getCurrentRepresentation();\n\n const manifest = representation.adaptation.period.mpd.manifest;\n const adaptation = manifest.Period_asArray[representation.adaptation.period.index].AdaptationSet_asArray[representation.adaptation.index];\n const timescale = adaptation.SegmentTemplate.timescale;\n\n type = streamProcessor.getType();\n\n // Process tfrf only for live streams or start-over static streams (timeShiftBufferDepth > 0)\n if (manifest.type !== 'dynamic' && !manifest.timeShiftBufferDepth) {\n return;\n }\n\n if (!tfrf) {\n errorHandler.error(new DashJSError(MssErrors.MSS_NO_TFRF_CODE, MssErrors.MSS_NO_TFRF_MESSAGE));\n return;\n }\n\n // Get adaptation's segment timeline (always a SegmentTimeline in Smooth Streaming use case)\n const segments = adaptation.SegmentTemplate.SegmentTimeline.S;\n const entries = tfrf.entry;\n let entry,\n segmentTime,\n range;\n let segment = null;\n let t = 0;\n let endTime;\n let availabilityStartTime = null;\n\n if (entries.length === 0) {\n return;\n }\n\n // Consider only first tfrf entry (to avoid pre-condition failure on fragment info requests)\n entry = entries[0];\n\n // In case of start-over streams, check if we have reached end of original manifest duration (set in timeShiftBufferDepth)\n // => then do not update anymore timeline\n if (manifest.type === 'static') {\n // Get first segment time\n segmentTime = segments[0].tManifest ? parseFloat(segments[0].tManifest) : segments[0].t;\n if (entry.fragment_absolute_time > (segmentTime + (manifest.timeShiftBufferDepth * timescale))) {\n return;\n }\n }\n\n // logger.debug('entry - t = ', (entry.fragment_absolute_time / timescale));\n\n // Get last segment time\n segmentTime = segments[segments.length - 1].tManifest ? parseFloat(segments[segments.length - 1].tManifest) : segments[segments.length - 1].t;\n // logger.debug('Last segment - t = ', (segmentTime / timescale));\n\n // Check if we have to append new segment to timeline\n if (entry.fragment_absolute_time <= segmentTime) {\n // Update DVR window range => set range end to end time of current segment\n range = {\n start: segments[0].t / timescale,\n end: (tfdt.baseMediaDecodeTime / timescale) + request.duration\n };\n\n updateDVR(request.mediaType, range, streamProcessor.getStreamInfo().manifestInfo);\n return;\n }\n\n // logger.debug('Add new segment - t = ', (entry.fragment_absolute_time / timescale));\n segment = {};\n segment.t = entry.fragment_absolute_time;\n segment.d = entry.fragment_duration;\n // If timestamps starts at 0 relative to 1st segment (dynamic to static) then update segment time\n if (segments[0].tManifest) {\n segment.t -= parseFloat(segments[0].tManifest) - segments[0].t;\n segment.tManifest = entry.fragment_absolute_time;\n }\n\n // Patch previous segment duration\n let lastSegment = segments[segments.length - 1];\n if (lastSegment.t + lastSegment.d !== segment.t) {\n logger.debug('Patch segment duration - t = ', lastSegment.t + ', d = ' + lastSegment.d + ' => ' + (segment.t - lastSegment.t));\n lastSegment.d = segment.t - lastSegment.t;\n }\n\n segments.push(segment);\n\n // In case of static start-over streams, update content duration\n if (manifest.type === 'static') {\n if (type === 'video') {\n segment = segments[segments.length - 1];\n endTime = (segment.t + segment.d) / timescale;\n if (endTime > representation.adaptation.period.duration) {\n eventBus.trigger(Events.MANIFEST_VALIDITY_CHANGED, { sender: this, newDuration: endTime });\n }\n }\n return;\n }\n else {\n // In case of live streams, update segment timeline according to DVR window\n if (manifest.timeShiftBufferDepth && manifest.timeShiftBufferDepth > 0) {\n // Get timestamp of the last segment\n segment = segments[segments.length - 1];\n t = segment.t;\n\n // Determine the segments' availability start time\n availabilityStartTime = (t - (manifest.timeShiftBufferDepth * timescale)) / timescale;\n\n // Remove segments prior to availability start time\n segment = segments[0];\n endTime = (segment.t + segment.d) / timescale;\n while (endTime < availabilityStartTime) {\n // Check if not currently playing the segment to be removed\n if (!playbackController.isPaused() && playbackController.getTime() < endTime) {\n break;\n }\n // logger.debug('Remove segment - t = ' + (segment.t / timescale));\n segments.splice(0, 1);\n segment = segments[0];\n endTime = (segment.t + segment.d) / timescale;\n }\n }\n\n // Update DVR window range => set range end to end time of current segment\n range = {\n start: segments[0].t / timescale,\n end: (tfdt.baseMediaDecodeTime / timescale) + request.duration\n };\n\n updateDVR(type, range, streamProcessor.getStreamInfo().manifestInfo);\n }\n\n }\n\n function updateDVR(type, range, manifestInfo) {\n if (type !== 'video' && type !== 'audio') return;\n const dvrInfos = dashMetrics.getCurrentDVRInfo(type);\n if (!dvrInfos || (range.end > dvrInfos.range.end)) {\n logger.debug('Update DVR range: [' + range.start + ' - ' + range.end + ']');\n dashMetrics.addDVRInfo(type, playbackController.getTime(), manifestInfo, range);\n playbackController.updateCurrentTime(type);\n }\n }\n\n // This function returns the offset of the 1st byte of a child box within a container box\n function getBoxOffset(parent, type) {\n let offset = 8;\n let i = 0;\n\n for (i = 0; i < parent.boxes.length; i++) {\n if (parent.boxes[i].type === type) {\n return offset;\n }\n offset += parent.boxes[i].size;\n }\n return offset;\n }\n\n function convertFragment(e, streamProcessor) {\n let i;\n\n // e.request contains request description object\n // e.response contains fragment bytes\n const isoFile = ISOBoxer.parseBuffer(e.response);\n // Update track_Id in tfhd box\n const tfhd = isoFile.fetch('tfhd');\n tfhd.track_ID = e.request.mediaInfo.index + 1;\n\n // Add tfdt box\n let tfdt = isoFile.fetch('tfdt');\n const traf = isoFile.fetch('traf');\n if (tfdt === null) {\n tfdt = ISOBoxer.createFullBox('tfdt', traf, tfhd);\n tfdt.version = 1;\n tfdt.flags = 0;\n tfdt.baseMediaDecodeTime = Math.floor(e.request.startTime * e.request.timescale);\n }\n\n const trun = isoFile.fetch('trun');\n\n // Process tfxd boxes\n // This box provide absolute timestamp but we take the segment start time for tfdt\n let tfxd = isoFile.fetch('tfxd');\n if (tfxd) {\n tfxd._parent.boxes.splice(tfxd._parent.boxes.indexOf(tfxd), 1);\n tfxd = null;\n }\n let tfrf = isoFile.fetch('tfrf');\n processTfrf(e.request, tfrf, tfdt, streamProcessor);\n if (tfrf) {\n tfrf._parent.boxes.splice(tfrf._parent.boxes.indexOf(tfrf), 1);\n tfrf = null;\n }\n\n // If protected content in PIFF1.1 format (sepiff box = Sample Encryption PIFF)\n // => convert sepiff box it into a senc box\n // => create saio and saiz boxes (if not already present)\n const sepiff = isoFile.fetch('sepiff');\n if (sepiff !== null) {\n sepiff.type = 'senc';\n sepiff.usertype = undefined;\n\n let saio = isoFile.fetch('saio');\n if (saio === null) {\n // Create Sample Auxiliary Information Offsets Box box (saio)\n saio = ISOBoxer.createFullBox('saio', traf);\n saio.version = 0;\n saio.flags = 0;\n saio.entry_count = 1;\n saio.offset = [0];\n\n const saiz = ISOBoxer.createFullBox('saiz', traf);\n saiz.version = 0;\n saiz.flags = 0;\n saiz.sample_count = sepiff.sample_count;\n saiz.default_sample_info_size = 0;\n saiz.sample_info_size = [];\n\n if (sepiff.flags & 0x02) {\n // Sub-sample encryption => set sample_info_size for each sample\n for (i = 0; i < sepiff.sample_count; i += 1) {\n // 10 = 8 (InitializationVector field size) + 2 (subsample_count field size)\n // 6 = 2 (BytesOfClearData field size) + 4 (BytesOfEncryptedData field size)\n saiz.sample_info_size[i] = 10 + (6 * sepiff.entry[i].NumberOfEntries);\n }\n } else {\n // No sub-sample encryption => set default sample_info_size = InitializationVector field size (8)\n saiz.default_sample_info_size = 8;\n }\n }\n }\n\n tfhd.flags &= 0xFFFFFE; // set tfhd.base-data-offset-present to false\n tfhd.flags |= 0x020000; // set tfhd.default-base-is-moof to true\n trun.flags |= 0x000001; // set trun.data-offset-present to true\n\n // Update trun.data_offset field that corresponds to first data byte (inside mdat box)\n const moof = isoFile.fetch('moof');\n let length = moof.getLength();\n trun.data_offset = length + 8;\n\n // Update saio box offset field according to new senc box offset\n let saio = isoFile.fetch('saio');\n if (saio !== null) {\n let trafPosInMoof = getBoxOffset(moof, 'traf');\n let sencPosInTraf = getBoxOffset(traf, 'senc');\n // Set offset from begin fragment to the first IV field in senc box\n saio.offset[0] = trafPosInMoof + sencPosInTraf + 16; // 16 = box header (12) + sample_count field size (4)\n }\n\n // Write transformed/processed fragment into request reponse data\n e.response = isoFile.write();\n }\n\n function updateSegmentList(e, streamProcessor) {\n // e.request contains request description object\n // e.response contains fragment bytes\n if (!e.response) {\n throw new Error('e.response parameter is missing');\n }\n\n const isoFile = ISOBoxer.parseBuffer(e.response);\n // Update track_Id in tfhd box\n const tfhd = isoFile.fetch('tfhd');\n tfhd.track_ID = e.request.mediaInfo.index + 1;\n\n // Add tfdt box\n let tfdt = isoFile.fetch('tfdt');\n let traf = isoFile.fetch('traf');\n if (tfdt === null) {\n tfdt = ISOBoxer.createFullBox('tfdt', traf, tfhd);\n tfdt.version = 1;\n tfdt.flags = 0;\n tfdt.baseMediaDecodeTime = Math.floor(e.request.startTime * e.request.timescale);\n }\n\n let tfrf = isoFile.fetch('tfrf');\n processTfrf(e.request, tfrf, tfdt, streamProcessor);\n if (tfrf) {\n tfrf._parent.boxes.splice(tfrf._parent.boxes.indexOf(tfrf), 1);\n tfrf = null;\n }\n }\n\n function getType() {\n return type;\n }\n\n instance = {\n convertFragment: convertFragment,\n updateSegmentList: updateSegmentList,\n getType: getType\n };\n\n setup();\n return instance;\n}\n\nMssFragmentMoofProcessor.__dashjs_factory_name = 'MssFragmentMoofProcessor';\nexport default dashjs.FactoryMaker.getClassFactory(MssFragmentMoofProcessor); /* jshint ignore:line */\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\nimport MssErrors from './errors/MssErrors';\n\n/**\n * @module MssFragmentMoovProcessor\n * @ignore\n * @param {Object} config object\n */\nfunction MssFragmentMoovProcessor(config) {\n config = config || {};\n const NALUTYPE_SPS = 7;\n const NALUTYPE_PPS = 8;\n const constants = config.constants;\n const ISOBoxer = config.ISOBoxer;\n\n let protectionController = config.protectionController;\n let instance,\n period,\n adaptationSet,\n representation,\n contentProtection,\n timescale,\n trackId;\n\n function createFtypBox(isoFile) {\n let ftyp = ISOBoxer.createBox('ftyp', isoFile);\n ftyp.major_brand = 'iso6';\n ftyp.minor_version = 1; // is an informative integer for the minor version of the major brand\n ftyp.compatible_brands = []; //is a list, to the end of the box, of brands isom, iso6 and msdh\n ftyp.compatible_brands[0] = 'isom'; // => decimal ASCII value for isom\n ftyp.compatible_brands[1] = 'iso6'; // => decimal ASCII value for iso6\n ftyp.compatible_brands[2] = 'msdh'; // => decimal ASCII value for msdh\n\n return ftyp;\n }\n\n function createMoovBox(isoFile) {\n\n // moov box\n let moov = ISOBoxer.createBox('moov', isoFile);\n\n // moov/mvhd\n createMvhdBox(moov);\n\n // moov/trak\n let trak = ISOBoxer.createBox('trak', moov);\n\n // moov/trak/tkhd\n createTkhdBox(trak);\n\n // moov/trak/mdia\n let mdia = ISOBoxer.createBox('mdia', trak);\n\n // moov/trak/mdia/mdhd\n createMdhdBox(mdia);\n\n // moov/trak/mdia/hdlr\n createHdlrBox(mdia);\n\n // moov/trak/mdia/minf\n let minf = ISOBoxer.createBox('minf', mdia);\n\n switch (adaptationSet.type) {\n case constants.VIDEO:\n // moov/trak/mdia/minf/vmhd\n createVmhdBox(minf);\n break;\n case constants.AUDIO:\n // moov/trak/mdia/minf/smhd\n createSmhdBox(minf);\n break;\n default:\n break;\n }\n\n // moov/trak/mdia/minf/dinf\n let dinf = ISOBoxer.createBox('dinf', minf);\n\n // moov/trak/mdia/minf/dinf/dref\n createDrefBox(dinf);\n\n // moov/trak/mdia/minf/stbl\n let stbl = ISOBoxer.createBox('stbl', minf);\n\n // Create empty stts, stsc, stco and stsz boxes\n // Use data field as for codem-isoboxer unknown boxes for setting fields value\n\n // moov/trak/mdia/minf/stbl/stts\n let stts = ISOBoxer.createFullBox('stts', stbl);\n stts._data = [0, 0, 0, 0, 0, 0, 0, 0]; // version = 0, flags = 0, entry_count = 0\n\n // moov/trak/mdia/minf/stbl/stsc\n let stsc = ISOBoxer.createFullBox('stsc', stbl);\n stsc._data = [0, 0, 0, 0, 0, 0, 0, 0]; // version = 0, flags = 0, entry_count = 0\n\n // moov/trak/mdia/minf/stbl/stco\n let stco = ISOBoxer.createFullBox('stco', stbl);\n stco._data = [0, 0, 0, 0, 0, 0, 0, 0]; // version = 0, flags = 0, entry_count = 0\n\n // moov/trak/mdia/minf/stbl/stsz\n let stsz = ISOBoxer.createFullBox('stsz', stbl);\n stsz._data = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // version = 0, flags = 0, sample_size = 0, sample_count = 0\n\n // moov/trak/mdia/minf/stbl/stsd\n createStsdBox(stbl);\n\n // moov/mvex\n let mvex = ISOBoxer.createBox('mvex', moov);\n\n // moov/mvex/trex\n createTrexBox(mvex);\n\n if (contentProtection && protectionController) {\n let supportedKS = protectionController.getSupportedKeySystemsFromContentProtection(contentProtection);\n createProtectionSystemSpecificHeaderBox(moov, supportedKS);\n }\n }\n\n function createMvhdBox(moov) {\n\n let mvhd = ISOBoxer.createFullBox('mvhd', moov);\n\n mvhd.version = 1; // version = 1 in order to have 64bits duration value\n\n mvhd.creation_time = 0; // the creation time of the presentation => ignore (set to 0)\n mvhd.modification_time = 0; // the most recent time the presentation was modified => ignore (set to 0)\n mvhd.timescale = timescale; // the time-scale for the entire presentation => 10000000 for MSS\n mvhd.duration = period.duration === Infinity ? 0xFFFFFFFFFFFFFFFF : Math.round(period.duration * timescale); // the length of the presentation (in the indicated timescale) => take duration of period\n mvhd.rate = 1.0; // 16.16 number, '1.0' = normal playback\n mvhd.volume = 1.0; // 8.8 number, '1.0' = full volume\n mvhd.reserved1 = 0;\n mvhd.reserved2 = [0x0, 0x0];\n mvhd.matrix = [\n 1, 0, 0, // provides a transformation matrix for the video;\n 0, 1, 0, // (u,v,w) are restricted here to (0,0,1)\n 0, 0, 16384\n ];\n mvhd.pre_defined = [0, 0, 0, 0, 0, 0];\n mvhd.next_track_ID = trackId + 1; // indicates a value to use for the track ID of the next track to be added to this presentation\n\n return mvhd;\n }\n\n function createTkhdBox(trak) {\n\n let tkhd = ISOBoxer.createFullBox('tkhd', trak);\n\n tkhd.version = 1; // version = 1 in order to have 64bits duration value\n tkhd.flags = 0x1 | // Track_enabled (0x000001): Indicates that the track is enabled\n 0x2 | // Track_in_movie (0x000002): Indicates that the track is used in the presentation\n 0x4; // Track_in_preview (0x000004): Indicates that the track is used when previewing the presentation\n\n tkhd.creation_time = 0; // the creation time of the presentation => ignore (set to 0)\n tkhd.modification_time = 0; // the most recent time the presentation was modified => ignore (set to 0)\n tkhd.track_ID = trackId; // uniquely identifies this track over the entire life-time of this presentation\n tkhd.reserved1 = 0;\n tkhd.duration = period.duration === Infinity ? 0xFFFFFFFFFFFFFFFF : Math.round(period.duration * timescale); // the duration of this track (in the timescale indicated in the Movie Header Box) => take duration of period\n tkhd.reserved2 = [0x0, 0x0];\n tkhd.layer = 0; // specifies the front-to-back ordering of video tracks; tracks with lower numbers are closer to the viewer => 0 since only one video track\n tkhd.alternate_group = 0; // specifies a group or collection of tracks => ignore\n tkhd.volume = 1.0; // '1.0' = full volume\n tkhd.reserved3 = 0;\n tkhd.matrix = [\n 1, 0, 0, // provides a transformation matrix for the video;\n 0, 1, 0, // (u,v,w) are restricted here to (0,0,1)\n 0, 0, 16384\n ];\n tkhd.width = representation.width; // visual presentation width\n tkhd.height = representation.height; // visual presentation height\n\n return tkhd;\n }\n\n function createMdhdBox(mdia) {\n\n let mdhd = ISOBoxer.createFullBox('mdhd', mdia);\n\n mdhd.version = 1; // version = 1 in order to have 64bits duration value\n\n mdhd.creation_time = 0; // the creation time of the presentation => ignore (set to 0)\n mdhd.modification_time = 0; // the most recent time the presentation was modified => ignore (set to 0)\n mdhd.timescale = timescale; // the time-scale for the entire presentation\n mdhd.duration = period.duration === Infinity ? 0xFFFFFFFFFFFFFFFF : Math.round(period.duration * timescale); // the duration of this media (in the scale of the timescale). If the duration cannot be determined then duration is set to all 1s.\n mdhd.language = adaptationSet.lang || 'und'; // declares the language code for this media\n mdhd.pre_defined = 0;\n\n return mdhd;\n }\n\n function createHdlrBox(mdia) {\n\n let hdlr = ISOBoxer.createFullBox('hdlr', mdia);\n\n hdlr.pre_defined = 0;\n switch (adaptationSet.type) {\n case constants.VIDEO:\n hdlr.handler_type = 'vide';\n break;\n case constants.AUDIO:\n hdlr.handler_type = 'soun';\n break;\n default:\n hdlr.handler_type = 'meta';\n break;\n }\n hdlr.name = representation.id;\n hdlr.reserved = [0, 0, 0];\n\n return hdlr;\n }\n\n function createVmhdBox(minf) {\n\n let vmhd = ISOBoxer.createFullBox('vmhd', minf);\n\n vmhd.flags = 1;\n\n vmhd.graphicsmode = 0; // specifies a composition mode for this video track, from the following enumerated set, which may be extended by derived specifications: copy = 0 copy over the existing image\n vmhd.opcolor = [0, 0, 0]; // is a set of 3 colour values (red, green, blue) available for use by graphics modes\n\n return vmhd;\n }\n\n function createSmhdBox(minf) {\n\n let smhd = ISOBoxer.createFullBox('smhd', minf);\n\n smhd.flags = 1;\n\n smhd.balance = 0; // is a fixed-point 8.8 number that places mono audio tracks in a stereo space; 0 is centre (the normal value); full left is -1.0 and full right is 1.0.\n smhd.reserved = 0;\n\n return smhd;\n }\n\n function createDrefBox(dinf) {\n\n let dref = ISOBoxer.createFullBox('dref', dinf);\n\n dref.entry_count = 1;\n dref.entries = [];\n\n let url = ISOBoxer.createFullBox('url ', dref, false);\n url.location = '';\n url.flags = 1;\n\n dref.entries.push(url);\n\n return dref;\n }\n\n function createStsdBox(stbl) {\n\n let stsd = ISOBoxer.createFullBox('stsd', stbl);\n\n stsd.entries = [];\n switch (adaptationSet.type) {\n case constants.VIDEO:\n case constants.AUDIO:\n stsd.entries.push(createSampleEntry(stsd));\n break;\n default:\n break;\n }\n\n stsd.entry_count = stsd.entries.length; // is an integer that counts the actual entries\n return stsd;\n }\n\n function createSampleEntry(stsd) {\n let codec = representation.codecs.substring(0, representation.codecs.indexOf('.'));\n\n switch (codec) {\n case 'avc1':\n return createAVCVisualSampleEntry(stsd, codec);\n case 'mp4a':\n return createMP4AudioSampleEntry(stsd, codec);\n default:\n throw {\n code: MssErrors.MSS_UNSUPPORTED_CODEC_CODE,\n message: MssErrors.MSS_UNSUPPORTED_CODEC_MESSAGE,\n data: {\n codec: codec\n }\n };\n }\n }\n\n function createAVCVisualSampleEntry(stsd, codec) {\n let avc1;\n\n if (contentProtection) {\n avc1 = ISOBoxer.createBox('encv', stsd, false);\n } else {\n avc1 = ISOBoxer.createBox('avc1', stsd, false);\n }\n\n // SampleEntry fields\n avc1.reserved1 = [0x0, 0x0, 0x0, 0x0, 0x0, 0x0];\n avc1.data_reference_index = 1;\n\n // VisualSampleEntry fields\n avc1.pre_defined1 = 0;\n avc1.reserved2 = 0;\n avc1.pre_defined2 = [0, 0, 0];\n avc1.height = representation.height;\n avc1.width = representation.width;\n avc1.horizresolution = 72; // 72 dpi\n avc1.vertresolution = 72; // 72 dpi\n avc1.reserved3 = 0;\n avc1.frame_count = 1; // 1 compressed video frame per sample\n avc1.compressorname = [\n 0x0A, 0x41, 0x56, 0x43, 0x20, 0x43, 0x6F, 0x64, // = 'AVC Coding';\n 0x69, 0x6E, 0x67, 0x00, 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00\n ];\n avc1.depth = 0x0018; // 0x0018 – images are in colour with no alpha.\n avc1.pre_defined3 = 65535;\n avc1.config = createAVC1ConfigurationRecord();\n if (contentProtection) {\n // Create and add Protection Scheme Info Box\n let sinf = ISOBoxer.createBox('sinf', avc1);\n\n // Create and add Original Format Box => indicate codec type of the encrypted content\n createOriginalFormatBox(sinf, codec);\n\n // Create and add Scheme Type box\n createSchemeTypeBox(sinf);\n\n // Create and add Scheme Information Box\n createSchemeInformationBox(sinf);\n }\n\n return avc1;\n }\n\n function createAVC1ConfigurationRecord() {\n\n let avcC = null;\n let avcCLength = 15; // length = 15 by default (0 SPS and 0 PPS)\n\n // First get all SPS and PPS from codecPrivateData\n let sps = [];\n let pps = [];\n let AVCProfileIndication = 0;\n let AVCLevelIndication = 0;\n let profile_compatibility = 0;\n\n let nalus = representation.codecPrivateData.split('00000001').slice(1);\n let naluBytes, naluType;\n\n for (let i = 0; i < nalus.length; i++) {\n naluBytes = hexStringtoBuffer(nalus[i]);\n\n naluType = naluBytes[0] & 0x1F;\n\n switch (naluType) {\n case NALUTYPE_SPS:\n sps.push(naluBytes);\n avcCLength += naluBytes.length + 2; // 2 = sequenceParameterSetLength field length\n break;\n case NALUTYPE_PPS:\n pps.push(naluBytes);\n avcCLength += naluBytes.length + 2; // 2 = pictureParameterSetLength field length\n break;\n default:\n break;\n }\n }\n\n // Get profile and level from SPS\n if (sps.length > 0) {\n AVCProfileIndication = sps[0][1];\n profile_compatibility = sps[0][2];\n AVCLevelIndication = sps[0][3];\n }\n\n // Generate avcC buffer\n avcC = new Uint8Array(avcCLength);\n\n let i = 0;\n // length\n avcC[i++] = (avcCLength & 0xFF000000) >> 24;\n avcC[i++] = (avcCLength & 0x00FF0000) >> 16;\n avcC[i++] = (avcCLength & 0x0000FF00) >> 8;\n avcC[i++] = (avcCLength & 0x000000FF);\n avcC.set([0x61, 0x76, 0x63, 0x43], i); // type = 'avcC'\n i += 4;\n avcC[i++] = 1; // configurationVersion = 1\n avcC[i++] = AVCProfileIndication;\n avcC[i++] = profile_compatibility;\n avcC[i++] = AVCLevelIndication;\n avcC[i++] = 0xFF; // '11111' + lengthSizeMinusOne = 3\n avcC[i++] = 0xE0 | sps.length; // '111' + numOfSequenceParameterSets\n for (let n = 0; n < sps.length; n++) {\n avcC[i++] = (sps[n].length & 0xFF00) >> 8;\n avcC[i++] = (sps[n].length & 0x00FF);\n avcC.set(sps[n], i);\n i += sps[n].length;\n }\n avcC[i++] = pps.length; // numOfPictureParameterSets\n for (let n = 0; n < pps.length; n++) {\n avcC[i++] = (pps[n].length & 0xFF00) >> 8;\n avcC[i++] = (pps[n].length & 0x00FF);\n avcC.set(pps[n], i);\n i += pps[n].length;\n }\n\n return avcC;\n }\n\n function createMP4AudioSampleEntry(stsd, codec) {\n let mp4a;\n\n if (contentProtection) {\n mp4a = ISOBoxer.createBox('enca', stsd, false);\n } else {\n mp4a = ISOBoxer.createBox('mp4a', stsd, false);\n }\n\n // SampleEntry fields\n mp4a.reserved1 = [0x0, 0x0, 0x0, 0x0, 0x0, 0x0];\n mp4a.data_reference_index = 1;\n\n // AudioSampleEntry fields\n mp4a.reserved2 = [0x0, 0x0];\n mp4a.channelcount = representation.audioChannels;\n mp4a.samplesize = 16;\n mp4a.pre_defined = 0;\n mp4a.reserved_3 = 0;\n mp4a.samplerate = representation.audioSamplingRate << 16;\n\n mp4a.esds = createMPEG4AACESDescriptor();\n\n if (contentProtection) {\n // Create and add Protection Scheme Info Box\n let sinf = ISOBoxer.createBox('sinf', mp4a);\n\n // Create and add Original Format Box => indicate codec type of the encrypted content\n createOriginalFormatBox(sinf, codec);\n\n // Create and add Scheme Type box\n createSchemeTypeBox(sinf);\n\n // Create and add Scheme Information Box\n createSchemeInformationBox(sinf);\n }\n\n return mp4a;\n }\n\n function createMPEG4AACESDescriptor() {\n\n // AudioSpecificConfig (see ISO/IEC 14496-3, subpart 1) => corresponds to hex bytes contained in 'codecPrivateData' field\n let audioSpecificConfig = hexStringtoBuffer(representation.codecPrivateData);\n\n // ESDS length = esds box header length (= 12) +\n // ES_Descriptor header length (= 5) +\n // DecoderConfigDescriptor header length (= 15) +\n // decoderSpecificInfo header length (= 2) +\n // AudioSpecificConfig length (= codecPrivateData length)\n let esdsLength = 34 + audioSpecificConfig.length;\n let esds = new Uint8Array(esdsLength);\n\n let i = 0;\n // esds box\n esds[i++] = (esdsLength & 0xFF000000) >> 24; // esds box length\n esds[i++] = (esdsLength & 0x00FF0000) >> 16; // ''\n esds[i++] = (esdsLength & 0x0000FF00) >> 8; // ''\n esds[i++] = (esdsLength & 0x000000FF); // ''\n esds.set([0x65, 0x73, 0x64, 0x73], i); // type = 'esds'\n i += 4;\n esds.set([0, 0, 0, 0], i); // version = 0, flags = 0\n i += 4;\n // ES_Descriptor (see ISO/IEC 14496-1 (Systems))\n esds[i++] = 0x03; // tag = 0x03 (ES_DescrTag)\n esds[i++] = 20 + audioSpecificConfig.length; // size\n esds[i++] = (trackId & 0xFF00) >> 8; // ES_ID = track_id\n esds[i++] = (trackId & 0x00FF); // ''\n esds[i++] = 0; // flags and streamPriority\n\n // DecoderConfigDescriptor (see ISO/IEC 14496-1 (Systems))\n esds[i++] = 0x04; // tag = 0x04 (DecoderConfigDescrTag)\n esds[i++] = 15 + audioSpecificConfig.length; // size\n esds[i++] = 0x40; // objectTypeIndication = 0x40 (MPEG-4 AAC)\n esds[i] = 0x05 << 2; // streamType = 0x05 (Audiostream)\n esds[i] |= 0 << 1; // upStream = 0\n esds[i++] |= 1; // reserved = 1\n esds[i++] = 0xFF; // buffersizeDB = undefined\n esds[i++] = 0xFF; // ''\n esds[i++] = 0xFF; // ''\n esds[i++] = (representation.bandwidth & 0xFF000000) >> 24; // maxBitrate\n esds[i++] = (representation.bandwidth & 0x00FF0000) >> 16; // ''\n esds[i++] = (representation.bandwidth & 0x0000FF00) >> 8; // ''\n esds[i++] = (representation.bandwidth & 0x000000FF); // ''\n esds[i++] = (representation.bandwidth & 0xFF000000) >> 24; // avgbitrate\n esds[i++] = (representation.bandwidth & 0x00FF0000) >> 16; // ''\n esds[i++] = (representation.bandwidth & 0x0000FF00) >> 8; // ''\n esds[i++] = (representation.bandwidth & 0x000000FF); // ''\n\n // DecoderSpecificInfo (see ISO/IEC 14496-1 (Systems))\n esds[i++] = 0x05; // tag = 0x05 (DecSpecificInfoTag)\n esds[i++] = audioSpecificConfig.length; // size\n esds.set(audioSpecificConfig, i); // AudioSpecificConfig bytes\n\n return esds;\n }\n\n function createOriginalFormatBox(sinf, codec) {\n let frma = ISOBoxer.createBox('frma', sinf);\n frma.data_format = stringToCharCode(codec);\n }\n\n function createSchemeTypeBox(sinf) {\n let schm = ISOBoxer.createFullBox('schm', sinf);\n\n schm.flags = 0;\n schm.version = 0;\n schm.scheme_type = 0x63656E63; // 'cenc' => common encryption\n schm.scheme_version = 0x00010000; // version set to 0x00010000 (Major version 1, Minor version 0)\n }\n\n function createSchemeInformationBox(sinf) {\n let schi = ISOBoxer.createBox('schi', sinf);\n\n // Create and add Track Encryption Box\n createTrackEncryptionBox(schi);\n }\n\n function createProtectionSystemSpecificHeaderBox(moov, keySystems) {\n let pssh_bytes,\n pssh,\n i,\n parsedBuffer;\n\n for (i = 0; i < keySystems.length; i += 1) {\n pssh_bytes = keySystems[i].initData;\n if (pssh_bytes) {\n parsedBuffer = ISOBoxer.parseBuffer(pssh_bytes);\n pssh = parsedBuffer.fetch('pssh');\n if (pssh) {\n ISOBoxer.Utils.appendBox(moov, pssh);\n }\n }\n }\n }\n\n function createTrackEncryptionBox(schi) {\n let tenc = ISOBoxer.createFullBox('tenc', schi);\n\n tenc.flags = 0;\n tenc.version = 0;\n\n tenc.default_IsEncrypted = 0x1;\n tenc.default_IV_size = 8;\n tenc.default_KID = (contentProtection && (contentProtection.length) > 0 && contentProtection[0]['cenc:default_KID']) ?\n contentProtection[0]['cenc:default_KID'] : [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0];\n }\n\n function createTrexBox(moov) {\n let trex = ISOBoxer.createFullBox('trex', moov);\n\n trex.track_ID = trackId;\n trex.default_sample_description_index = 1;\n trex.default_sample_duration = 0;\n trex.default_sample_size = 0;\n trex.default_sample_flags = 0;\n\n return trex;\n }\n\n function hexStringtoBuffer(str) {\n let buf = new Uint8Array(str.length / 2);\n let i;\n\n for (i = 0; i < str.length / 2; i += 1) {\n buf[i] = parseInt('' + str[i * 2] + str[i * 2 + 1], 16);\n }\n return buf;\n }\n\n function stringToCharCode(str) {\n let code = 0;\n let i;\n\n for (i = 0; i < str.length; i += 1) {\n code |= str.charCodeAt(i) << ((str.length - i - 1) * 8);\n }\n return code;\n }\n\n function generateMoov(rep) {\n if (!rep || !rep.adaptation) {\n return;\n }\n\n let isoFile,\n arrayBuffer;\n\n representation = rep;\n adaptationSet = representation.adaptation;\n\n period = adaptationSet.period;\n trackId = adaptationSet.index + 1;\n contentProtection = period.mpd.manifest.Period_asArray[period.index].AdaptationSet_asArray[adaptationSet.index].ContentProtection;\n\n timescale = period.mpd.manifest.Period_asArray[period.index].AdaptationSet_asArray[adaptationSet.index].SegmentTemplate.timescale;\n\n isoFile = ISOBoxer.createFile();\n createFtypBox(isoFile);\n createMoovBox(isoFile);\n\n arrayBuffer = isoFile.write();\n\n return arrayBuffer;\n }\n\n instance = {\n generateMoov: generateMoov\n };\n\n return instance;\n}\n\nMssFragmentMoovProcessor.__dashjs_factory_name = 'MssFragmentMoovProcessor';\nexport default dashjs.FactoryMaker.getClassFactory(MssFragmentMoovProcessor); /* jshint ignore:line */\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\nimport MssFragmentMoofProcessor from './MssFragmentMoofProcessor';\nimport MssFragmentMoovProcessor from './MssFragmentMoovProcessor';\nimport {HTTPRequest} from '../streaming/vo/metrics/HTTPRequest';\n\n\n// Add specific box processors not provided by codem-isoboxer library\n\nfunction arrayEqual(arr1, arr2) {\n return (arr1.length === arr2.length) && arr1.every(function (element, index) {\n return element === arr2[index];\n });\n}\n\nfunction saioProcessor() {\n this._procFullBox();\n if (this.flags & 1) {\n this._procField('aux_info_type', 'uint', 32);\n this._procField('aux_info_type_parameter', 'uint', 32);\n }\n this._procField('entry_count', 'uint', 32);\n this._procFieldArray('offset', this.entry_count, 'uint', (this.version === 1) ? 64 : 32);\n}\n\nfunction saizProcessor() {\n this._procFullBox();\n if (this.flags & 1) {\n this._procField('aux_info_type', 'uint', 32);\n this._procField('aux_info_type_parameter', 'uint', 32);\n }\n this._procField('default_sample_info_size', 'uint', 8);\n this._procField('sample_count', 'uint', 32);\n if (this.default_sample_info_size === 0) {\n this._procFieldArray('sample_info_size', this.sample_count, 'uint', 8);\n }\n}\n\nfunction sencProcessor() {\n this._procFullBox();\n this._procField('sample_count', 'uint', 32);\n if (this.flags & 1) {\n this._procField('IV_size', 'uint', 8);\n }\n this._procEntries('entry', this.sample_count, function (entry) {\n this._procEntryField(entry, 'InitializationVector', 'data', 8);\n if (this.flags & 2) {\n this._procEntryField(entry, 'NumberOfEntries', 'uint', 16);\n this._procSubEntries(entry, 'clearAndCryptedData', entry.NumberOfEntries, function (clearAndCryptedData) {\n this._procEntryField(clearAndCryptedData, 'BytesOfClearData', 'uint', 16);\n this._procEntryField(clearAndCryptedData, 'BytesOfEncryptedData', 'uint', 32);\n });\n }\n });\n}\n\nfunction uuidProcessor() {\n let tfxdUserType = [0x6D, 0x1D, 0x9B, 0x05, 0x42, 0xD5, 0x44, 0xE6, 0x80, 0xE2, 0x14, 0x1D, 0xAF, 0xF7, 0x57, 0xB2];\n let tfrfUserType = [0xD4, 0x80, 0x7E, 0xF2, 0xCA, 0x39, 0x46, 0x95, 0x8E, 0x54, 0x26, 0xCB, 0x9E, 0x46, 0xA7, 0x9F];\n let sepiffUserType = [0xA2, 0x39, 0x4F, 0x52, 0x5A, 0x9B, 0x4f, 0x14, 0xA2, 0x44, 0x6C, 0x42, 0x7C, 0x64, 0x8D, 0xF4];\n\n if (arrayEqual(this.usertype, tfxdUserType)) {\n this._procFullBox();\n if (this._parsing) {\n this.type = 'tfxd';\n }\n this._procField('fragment_absolute_time', 'uint', (this.version === 1) ? 64 : 32);\n this._procField('fragment_duration', 'uint', (this.version === 1) ? 64 : 32);\n }\n\n if (arrayEqual(this.usertype, tfrfUserType)) {\n this._procFullBox();\n if (this._parsing) {\n this.type = 'tfrf';\n }\n this._procField('fragment_count', 'uint', 8);\n this._procEntries('entry', this.fragment_count, function (entry) {\n this._procEntryField(entry, 'fragment_absolute_time', 'uint', (this.version === 1) ? 64 : 32);\n this._procEntryField(entry, 'fragment_duration', 'uint', (this.version === 1) ? 64 : 32);\n });\n }\n\n if (arrayEqual(this.usertype, sepiffUserType)) {\n if (this._parsing) {\n this.type = 'sepiff';\n }\n sencProcessor.call(this);\n }\n}\n\nfunction MssFragmentProcessor(config) {\n\n config = config || {};\n const context = this.context;\n const dashMetrics = config.dashMetrics;\n const playbackController = config.playbackController;\n const eventBus = config.eventBus;\n const protectionController = config.protectionController;\n const ISOBoxer = config.ISOBoxer;\n const debug = config.debug;\n let mssFragmentMoovProcessor,\n mssFragmentMoofProcessor,\n instance;\n\n function setup() {\n ISOBoxer.addBoxProcessor('uuid', uuidProcessor);\n ISOBoxer.addBoxProcessor('saio', saioProcessor);\n ISOBoxer.addBoxProcessor('saiz', saizProcessor);\n ISOBoxer.addBoxProcessor('senc', sencProcessor);\n\n mssFragmentMoovProcessor = MssFragmentMoovProcessor(context).create({\n protectionController: protectionController,\n constants: config.constants,\n ISOBoxer: ISOBoxer});\n\n mssFragmentMoofProcessor = MssFragmentMoofProcessor(context).create({\n dashMetrics: dashMetrics,\n playbackController: playbackController,\n ISOBoxer: ISOBoxer,\n eventBus: eventBus,\n debug: debug,\n errHandler: config.errHandler\n });\n }\n\n function generateMoov(rep) {\n return mssFragmentMoovProcessor.generateMoov(rep);\n }\n\n function processFragment(e, streamProcessor) {\n if (!e || !e.request || !e.response) {\n throw new Error('e parameter is missing or malformed');\n }\n\n if (e.request.type === 'MediaSegment') {\n // MediaSegment => convert to Smooth Streaming moof format\n mssFragmentMoofProcessor.convertFragment(e, streamProcessor);\n\n } else if (e.request.type === HTTPRequest.MSS_FRAGMENT_INFO_SEGMENT_TYPE) {\n // FragmentInfo (live) => update segments list\n mssFragmentMoofProcessor.updateSegmentList(e, streamProcessor);\n\n // Stop event propagation (FragmentInfo must not be added to buffer)\n e.sender = null;\n }\n }\n\n instance = {\n generateMoov: generateMoov,\n processFragment: processFragment\n };\n\n setup();\n\n return instance;\n}\n\nMssFragmentProcessor.__dashjs_factory_name = 'MssFragmentProcessor';\nexport default dashjs.FactoryMaker.getClassFactory(MssFragmentProcessor); /* jshint ignore:line */\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\n/**\n * @module MssParser\n * @ignore\n * @param {Object} config object\n */\n\nimport BigInt from '../../../externals/BigInteger';\n\nfunction MssParser(config) {\n config = config || {};\n const BASE64 = config.BASE64;\n const debug = config.debug;\n const constants = config.constants;\n const manifestModel = config.manifestModel;\n const settings = config.settings;\n\n const DEFAULT_TIME_SCALE = 10000000.0;\n const SUPPORTED_CODECS = ['AAC', 'AACL', 'AACH', 'AACP', 'AVC1', 'H264', 'TTML', 'DFXP'];\n // MPEG-DASH Role and accessibility mapping for text tracks according to ETSI TS 103 285 v1.1.1 (section 7.1.2)\n const ROLE = {\n 'CAPT': 'main',\n 'SUBT': 'alternate',\n 'DESC': 'main'\n };\n const ACCESSIBILITY = {\n 'DESC': '2'\n };\n const samplingFrequencyIndex = {\n 96000: 0x0,\n 88200: 0x1,\n 64000: 0x2,\n 48000: 0x3,\n 44100: 0x4,\n 32000: 0x5,\n 24000: 0x6,\n 22050: 0x7,\n 16000: 0x8,\n 12000: 0x9,\n 11025: 0xA,\n 8000: 0xB,\n 7350: 0xC\n };\n const mimeTypeMap = {\n 'video': 'video/mp4',\n 'audio': 'audio/mp4',\n 'text': 'application/mp4'\n };\n\n let instance,\n logger,\n initialBufferSettings;\n\n\n function setup() {\n logger = debug.getLogger(instance);\n }\n\n function getAttributeAsBoolean(node, attrName) {\n const value = node.getAttribute(attrName);\n if (!value) return false;\n return value.toLowerCase() === 'true';\n }\n\n function mapPeriod(smoothStreamingMedia, timescale) {\n const period = {};\n let streams,\n adaptation;\n\n // For each StreamIndex node, create an AdaptationSet element\n period.AdaptationSet_asArray = [];\n streams = smoothStreamingMedia.getElementsByTagName('StreamIndex');\n for (let i = 0; i < streams.length; i++) {\n adaptation = mapAdaptationSet(streams[i], timescale);\n if (adaptation !== null) {\n period.AdaptationSet_asArray.push(adaptation);\n }\n }\n\n if (period.AdaptationSet_asArray.length > 0) {\n period.AdaptationSet = (period.AdaptationSet_asArray.length > 1) ? period.AdaptationSet_asArray : period.AdaptationSet_asArray[0];\n }\n\n return period;\n }\n\n function mapAdaptationSet(streamIndex, timescale) {\n const adaptationSet = {};\n const representations = [];\n let segmentTemplate;\n let qualityLevels,\n representation,\n i,\n index;\n\n const name = streamIndex.getAttribute('Name');\n const type = streamIndex.getAttribute('Type');\n const lang = streamIndex.getAttribute('Language');\n const fallBackId = lang ? type + '_' + lang : type;\n\n adaptationSet.id = name || fallBackId;\n adaptationSet.contentType = type;\n adaptationSet.lang = lang || 'und';\n adaptationSet.mimeType = mimeTypeMap[type];\n adaptationSet.subType = streamIndex.getAttribute('Subtype');\n adaptationSet.maxWidth = streamIndex.getAttribute('MaxWidth');\n adaptationSet.maxHeight = streamIndex.getAttribute('MaxHeight');\n\n // Map text tracks subTypes to MPEG-DASH AdaptationSet role and accessibility (see ETSI TS 103 285 v1.1.1, section 7.1.2)\n if (adaptationSet.subType) {\n if (ROLE[adaptationSet.subType]) {\n let role = {\n schemeIdUri: 'urn:mpeg:dash:role:2011',\n value: ROLE[adaptationSet.subType]\n };\n adaptationSet.Role = role;\n adaptationSet.Role_asArray = [role];\n }\n if (ACCESSIBILITY[adaptationSet.subType]) {\n let accessibility = {\n schemeIdUri: 'urn:tva:metadata:cs:AudioPurposeCS:2007',\n value: ACCESSIBILITY[adaptationSet.subType]\n };\n adaptationSet.Accessibility = accessibility;\n adaptationSet.Accessibility_asArray = [accessibility];\n }\n }\n\n // Create a SegmentTemplate with a SegmentTimeline\n segmentTemplate = mapSegmentTemplate(streamIndex, timescale);\n\n qualityLevels = streamIndex.getElementsByTagName('QualityLevel');\n // For each QualityLevel node, create a Representation element\n for (i = 0; i < qualityLevels.length; i++) {\n // Propagate BaseURL and mimeType\n qualityLevels[i].BaseURL = adaptationSet.BaseURL;\n qualityLevels[i].mimeType = adaptationSet.mimeType;\n\n // Set quality level id\n index = qualityLevels[i].getAttribute('Index');\n qualityLevels[i].Id = adaptationSet.id + ((index !== null) ? ('_' + index) : '');\n\n // Map Representation to QualityLevel\n representation = mapRepresentation(qualityLevels[i], streamIndex);\n\n if (representation !== null) {\n // Copy SegmentTemplate into Representation\n representation.SegmentTemplate = segmentTemplate;\n\n representations.push(representation);\n }\n }\n\n if (representations.length === 0) {\n return null;\n }\n\n adaptationSet.Representation = (representations.length > 1) ? representations : representations[0];\n adaptationSet.Representation_asArray = representations;\n\n // Set SegmentTemplate\n adaptationSet.SegmentTemplate = segmentTemplate;\n\n return adaptationSet;\n }\n\n function mapRepresentation(qualityLevel, streamIndex) {\n const representation = {};\n const type = streamIndex.getAttribute('Type');\n let fourCCValue = null;\n let width = null;\n let height = null;\n\n representation.id = qualityLevel.Id;\n representation.bandwidth = parseInt(qualityLevel.getAttribute('Bitrate'), 10);\n representation.mimeType = qualityLevel.mimeType;\n\n width = parseInt(qualityLevel.getAttribute('MaxWidth'), 10);\n height = parseInt(qualityLevel.getAttribute('MaxHeight'), 10);\n if (!isNaN(width)) representation.width = width;\n if (!isNaN(height)) representation.height = height;\n\n\n fourCCValue = qualityLevel.getAttribute('FourCC');\n\n // If FourCC not defined at QualityLevel level, then get it from StreamIndex level\n if (fourCCValue === null || fourCCValue === '') {\n fourCCValue = streamIndex.getAttribute('FourCC');\n }\n\n // If still not defined (optionnal for audio stream, see https://msdn.microsoft.com/en-us/library/ff728116%28v=vs.95%29.aspx),\n // then we consider the stream is an audio AAC stream\n if (fourCCValue === null || fourCCValue === '') {\n if (type === constants.AUDIO) {\n fourCCValue = 'AAC';\n } else if (type === constants.VIDEO) {\n logger.debug('FourCC is not defined whereas it is required for a QualityLevel element for a StreamIndex of type \"video\"');\n return null;\n }\n }\n\n // Check if codec is supported\n if (SUPPORTED_CODECS.indexOf(fourCCValue.toUpperCase()) === -1) {\n // Do not send warning\n logger.warn('Codec not supported: ' + fourCCValue);\n return null;\n }\n\n // Get codecs value according to FourCC field\n if (fourCCValue === 'H264' || fourCCValue === 'AVC1') {\n representation.codecs = getH264Codec(qualityLevel);\n } else if (fourCCValue.indexOf('AAC') >= 0) {\n representation.codecs = getAACCodec(qualityLevel, fourCCValue);\n representation.audioSamplingRate = parseInt(qualityLevel.getAttribute('SamplingRate'), 10);\n representation.audioChannels = parseInt(qualityLevel.getAttribute('Channels'), 10);\n } else if (fourCCValue.indexOf('TTML') || fourCCValue.indexOf('DFXP')) {\n representation.codecs = constants.STPP;\n }\n\n representation.codecPrivateData = '' + qualityLevel.getAttribute('CodecPrivateData');\n representation.BaseURL = qualityLevel.BaseURL;\n\n return representation;\n }\n\n function getH264Codec(qualityLevel) {\n let codecPrivateData = qualityLevel.getAttribute('CodecPrivateData').toString();\n let nalHeader,\n avcoti;\n\n\n // Extract from the CodecPrivateData field the hexadecimal representation of the following\n // three bytes in the sequence parameter set NAL unit.\n // => Find the SPS nal header\n nalHeader = /00000001[0-9]7/.exec(codecPrivateData);\n // => Find the 6 characters after the SPS nalHeader (if it exists)\n avcoti = nalHeader && nalHeader[0] ? (codecPrivateData.substr(codecPrivateData.indexOf(nalHeader[0]) + 10, 6)) : undefined;\n\n return 'avc1.' + avcoti;\n }\n\n function getAACCodec(qualityLevel, fourCCValue) {\n const samplingRate = parseInt(qualityLevel.getAttribute('SamplingRate'), 10);\n let codecPrivateData = qualityLevel.getAttribute('CodecPrivateData').toString();\n let objectType = 0;\n let codecPrivateDataHex,\n arr16,\n indexFreq,\n extensionSamplingFrequencyIndex;\n\n //chrome problem, in implicit AAC HE definition, so when AACH is detected in FourCC\n //set objectType to 5 => strange, it should be 2\n if (fourCCValue === 'AACH') {\n objectType = 0x05;\n }\n //if codecPrivateData is empty, build it :\n if (codecPrivateData === undefined || codecPrivateData === '') {\n objectType = 0x02; //AAC Main Low Complexity => object Type = 2\n indexFreq = samplingFrequencyIndex[samplingRate];\n if (fourCCValue === 'AACH') {\n // 4 bytes : XXXXX XXXX XXXX XXXX XXXXX XXX XXXXXXX\n // ' ObjectType' 'Freq Index' 'Channels value' 'Extens Sampl Freq' 'ObjectType' 'GAS' 'alignment = 0'\n objectType = 0x05; // High Efficiency AAC Profile = object Type = 5 SBR\n codecPrivateData = new Uint8Array(4);\n extensionSamplingFrequencyIndex = samplingFrequencyIndex[samplingRate * 2]; // in HE AAC Extension Sampling frequence\n // equals to SamplingRate*2\n //Freq Index is present for 3 bits in the first byte, last bit is in the second\n codecPrivateData[0] = (objectType << 3) | (indexFreq >> 1);\n codecPrivateData[1] = (indexFreq << 7) | (qualityLevel.Channels << 3) | (extensionSamplingFrequencyIndex >> 1);\n codecPrivateData[2] = (extensionSamplingFrequencyIndex << 7) | (0x02 << 2); // origin object type equals to 2 => AAC Main Low Complexity\n codecPrivateData[3] = 0x0; //alignment bits\n\n arr16 = new Uint16Array(2);\n arr16[0] = (codecPrivateData[0] << 8) + codecPrivateData[1];\n arr16[1] = (codecPrivateData[2] << 8) + codecPrivateData[3];\n //convert decimal to hex value\n codecPrivateDataHex = arr16[0].toString(16);\n codecPrivateDataHex = arr16[0].toString(16) + arr16[1].toString(16);\n\n } else {\n // 2 bytes : XXXXX XXXX XXXX XXX\n // ' ObjectType' 'Freq Index' 'Channels value' 'GAS = 000'\n codecPrivateData = new Uint8Array(2);\n //Freq Index is present for 3 bits in the first byte, last bit is in the second\n codecPrivateData[0] = (objectType << 3) | (indexFreq >> 1);\n codecPrivateData[1] = (indexFreq << 7) | (parseInt(qualityLevel.getAttribute('Channels'), 10) << 3);\n // put the 2 bytes in an 16 bits array\n arr16 = new Uint16Array(1);\n arr16[0] = (codecPrivateData[0] << 8) + codecPrivateData[1];\n //convert decimal to hex value\n codecPrivateDataHex = arr16[0].toString(16);\n }\n\n codecPrivateData = '' + codecPrivateDataHex;\n codecPrivateData = codecPrivateData.toUpperCase();\n qualityLevel.setAttribute('CodecPrivateData', codecPrivateData);\n } else if (objectType === 0) {\n objectType = (parseInt(codecPrivateData.substr(0, 2), 16) & 0xF8) >> 3;\n }\n\n return 'mp4a.40.' + objectType;\n }\n\n function mapSegmentTemplate(streamIndex, timescale) {\n const segmentTemplate = {};\n let mediaUrl,\n streamIndexTimeScale,\n url;\n\n url = streamIndex.getAttribute('Url');\n mediaUrl = url ? url.replace('{bitrate}', '$Bandwidth$') : null;\n mediaUrl = mediaUrl ? mediaUrl.replace('{start time}', '$Time$') : null;\n\n streamIndexTimeScale = streamIndex.getAttribute('TimeScale');\n streamIndexTimeScale = streamIndexTimeScale ? parseFloat(streamIndexTimeScale) : timescale;\n\n segmentTemplate.media = mediaUrl;\n segmentTemplate.timescale = streamIndexTimeScale;\n\n segmentTemplate.SegmentTimeline = mapSegmentTimeline(streamIndex, segmentTemplate.timescale);\n\n // Patch: set availabilityTimeOffset to Infinity since segments are available as long as they are present in timeline\n segmentTemplate.availabilityTimeOffset = 'INF';\n\n return segmentTemplate;\n }\n\n function mapSegmentTimeline(streamIndex, timescale) {\n const segmentTimeline = {};\n const chunks = streamIndex.getElementsByTagName('c');\n const segments = [];\n let segment,\n prevSegment,\n tManifest,\n i, j, r;\n let duration = 0;\n\n for (i = 0; i < chunks.length; i++) {\n segment = {};\n\n // Get time 't' attribute value\n tManifest = chunks[i].getAttribute('t');\n\n // => segment.tManifest = original timestamp value as a string (for constructing the fragment request url, see DashHandler)\n // => segment.t = number value of timestamp (maybe rounded value, but only for 0.1 microsecond)\n if (tManifest && BigInt(tManifest).greater(BigInt(Number.MAX_SAFE_INTEGER))) {\n segment.tManifest = tManifest;\n }\n segment.t = parseFloat(tManifest);\n\n // Get duration 'd' attribute value\n segment.d = parseFloat(chunks[i].getAttribute('d'));\n\n // If 't' not defined for first segment then t=0\n if ((i === 0) && !segment.t) {\n segment.t = 0;\n }\n\n if (i > 0) {\n prevSegment = segments[segments.length - 1];\n // Update previous segment duration if not defined\n if (!prevSegment.d) {\n if (prevSegment.tManifest) {\n prevSegment.d = BigInt(tManifest).subtract(BigInt(prevSegment.tManifest)).toJSNumber();\n } else {\n prevSegment.d = segment.t - prevSegment.t;\n }\n duration += prevSegment.d;\n }\n // Set segment absolute timestamp if not set in manifest\n if (!segment.t) {\n if (prevSegment.tManifest) {\n segment.tManifest = BigInt(prevSegment.tManifest).add(BigInt(prevSegment.d)).toString();\n segment.t = parseFloat(segment.tManifest);\n } else {\n segment.t = prevSegment.t + prevSegment.d;\n }\n }\n }\n\n if (segment.d) {\n duration += segment.d;\n }\n\n // Create new segment\n segments.push(segment);\n\n // Support for 'r' attribute (i.e. \"repeat\" as in MPEG-DASH)\n r = parseFloat(chunks[i].getAttribute('r'));\n if (r) {\n\n for (j = 0; j < (r - 1); j++) {\n prevSegment = segments[segments.length - 1];\n segment = {};\n segment.t = prevSegment.t + prevSegment.d;\n segment.d = prevSegment.d;\n if (prevSegment.tManifest) {\n segment.tManifest = BigInt(prevSegment.tManifest).add(BigInt(prevSegment.d)).toString();\n }\n duration += segment.d;\n segments.push(segment);\n }\n }\n }\n\n segmentTimeline.S = segments;\n segmentTimeline.S_asArray = segments;\n segmentTimeline.duration = duration / timescale;\n\n return segmentTimeline;\n }\n\n function getKIDFromProtectionHeader(protectionHeader) {\n let prHeader,\n wrmHeader,\n xmlReader,\n KID;\n\n // Get PlayReady header as byte array (base64 decoded)\n prHeader = BASE64.decodeArray(protectionHeader.firstChild.data);\n\n // Get Right Management header (WRMHEADER) from PlayReady header\n wrmHeader = getWRMHeaderFromPRHeader(prHeader);\n\n if (wrmHeader) {\n // Convert from multi-byte to unicode\n wrmHeader = new Uint16Array(wrmHeader.buffer);\n\n // Convert to string\n wrmHeader = String.fromCharCode.apply(null, wrmHeader);\n\n // Parse <WRMHeader> to get KID field value\n xmlReader = (new DOMParser()).parseFromString(wrmHeader, 'application/xml');\n KID = xmlReader.querySelector('KID').textContent;\n\n // Get KID (base64 decoded) as byte array\n KID = BASE64.decodeArray(KID);\n\n // Convert UUID from little-endian to big-endian\n convertUuidEndianness(KID);\n }\n\n return KID;\n }\n\n function getWRMHeaderFromPRHeader(prHeader) {\n let length,\n recordCount,\n recordType,\n recordLength,\n recordValue;\n let i = 0;\n\n // Parse PlayReady header\n\n // Length - 32 bits (LE format)\n length = (prHeader[i + 3] << 24) + (prHeader[i + 2] << 16) + (prHeader[i + 1] << 8) + prHeader[i]; // eslint-disable-line\n i += 4;\n\n // Record count - 16 bits (LE format)\n recordCount = (prHeader[i + 1] << 8) + prHeader[i]; // eslint-disable-line\n i += 2;\n\n // Parse records\n while (i < prHeader.length) {\n // Record type - 16 bits (LE format)\n recordType = (prHeader[i + 1] << 8) + prHeader[i];\n i += 2;\n\n // Check if Rights Management header (record type = 0x01)\n if (recordType === 0x01) {\n\n // Record length - 16 bits (LE format)\n recordLength = (prHeader[i + 1] << 8) + prHeader[i];\n i += 2;\n\n // Record value => contains <WRMHEADER>\n recordValue = new Uint8Array(recordLength);\n recordValue.set(prHeader.subarray(i, i + recordLength));\n return recordValue;\n }\n }\n\n return null;\n }\n\n function convertUuidEndianness(uuid) {\n swapBytes(uuid, 0, 3);\n swapBytes(uuid, 1, 2);\n swapBytes(uuid, 4, 5);\n swapBytes(uuid, 6, 7);\n }\n\n function swapBytes(bytes, pos1, pos2) {\n const temp = bytes[pos1];\n bytes[pos1] = bytes[pos2];\n bytes[pos2] = temp;\n }\n\n\n function createPRContentProtection(protectionHeader) {\n let pro = {\n __text: protectionHeader.firstChild.data,\n __prefix: 'mspr'\n };\n return {\n schemeIdUri: 'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95',\n value: 'com.microsoft.playready',\n pro: pro,\n pro_asArray: pro\n };\n }\n\n function createWidevineContentProtection(KID) {\n let widevineCP = {\n schemeIdUri: 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed',\n value: 'com.widevine.alpha'\n };\n if (!KID)\n return widevineCP;\n // Create Widevine CENC header (Protocol Buffer) with KID value\n const wvCencHeader = new Uint8Array(2 + KID.length);\n wvCencHeader[0] = 0x12;\n wvCencHeader[1] = 0x10;\n wvCencHeader.set(KID, 2);\n\n // Create a pssh box\n const length = 12 /* box length, type, version and flags */ + 16 /* SystemID */ + 4 /* data length */ + wvCencHeader.length;\n let pssh = new Uint8Array(length);\n let i = 0;\n\n // Set box length value\n pssh[i++] = (length & 0xFF000000) >> 24;\n pssh[i++] = (length & 0x00FF0000) >> 16;\n pssh[i++] = (length & 0x0000FF00) >> 8;\n pssh[i++] = (length & 0x000000FF);\n\n // Set type ('pssh'), version (0) and flags (0)\n pssh.set([0x70, 0x73, 0x73, 0x68, 0x00, 0x00, 0x00, 0x00], i);\n i += 8;\n\n // Set SystemID ('edef8ba9-79d6-4ace-a3c8-27dcd51d21ed')\n pssh.set([0xed, 0xef, 0x8b, 0xa9, 0x79, 0xd6, 0x4a, 0xce, 0xa3, 0xc8, 0x27, 0xdc, 0xd5, 0x1d, 0x21, 0xed], i);\n i += 16;\n\n // Set data length value\n pssh[i++] = (wvCencHeader.length & 0xFF000000) >> 24;\n pssh[i++] = (wvCencHeader.length & 0x00FF0000) >> 16;\n pssh[i++] = (wvCencHeader.length & 0x0000FF00) >> 8;\n pssh[i++] = (wvCencHeader.length & 0x000000FF);\n\n // Copy Widevine CENC header\n pssh.set(wvCencHeader, i);\n\n // Convert to BASE64 string\n pssh = String.fromCharCode.apply(null, pssh);\n pssh = BASE64.encodeASCII(pssh);\n\n widevineCP.pssh = { __text: pssh };\n\n return widevineCP;\n }\n\n function processManifest(xmlDoc) {\n const manifest = {};\n const contentProtections = [];\n const smoothStreamingMedia = xmlDoc.getElementsByTagName('SmoothStreamingMedia')[0];\n const protection = xmlDoc.getElementsByTagName('Protection')[0];\n let protectionHeader = null;\n let period,\n adaptations,\n contentProtection,\n KID,\n timestampOffset,\n startTime,\n segments,\n timescale,\n segmentDuration,\n i, j;\n\n // Set manifest node properties\n manifest.protocol = 'MSS';\n manifest.profiles = 'urn:mpeg:dash:profile:isoff-live:2011';\n manifest.type = getAttributeAsBoolean(smoothStreamingMedia, 'IsLive') ? 'dynamic' : 'static';\n timescale = smoothStreamingMedia.getAttribute('TimeScale');\n manifest.timescale = timescale ? parseFloat(timescale) : DEFAULT_TIME_SCALE;\n let dvrWindowLength = parseFloat(smoothStreamingMedia.getAttribute('DVRWindowLength'));\n // If the DVRWindowLength field is omitted for a live presentation or set to 0, the DVR window is effectively infinite\n if (manifest.type === 'dynamic' && (dvrWindowLength === 0 || isNaN(dvrWindowLength))) {\n dvrWindowLength = Infinity;\n }\n // Star-over\n if (dvrWindowLength === 0 && getAttributeAsBoolean(smoothStreamingMedia, 'CanSeek')) {\n dvrWindowLength = Infinity;\n }\n\n if (dvrWindowLength > 0) {\n manifest.timeShiftBufferDepth = dvrWindowLength / manifest.timescale;\n }\n\n let duration = parseFloat(smoothStreamingMedia.getAttribute('Duration'));\n manifest.mediaPresentationDuration = (duration === 0) ? Infinity : duration / manifest.timescale;\n // By default, set minBufferTime to 2 sec. (but set below according to video segment duration)\n manifest.minBufferTime = 2;\n manifest.ttmlTimeIsRelative = true;\n\n // Live manifest with Duration = start-over\n if (manifest.type === 'dynamic' && duration > 0) {\n manifest.type = 'static';\n // We set timeShiftBufferDepth to initial duration, to be used by MssFragmentController to update segment timeline\n manifest.timeShiftBufferDepth = duration / manifest.timescale;\n // Duration will be set according to current segment timeline duration (see below)\n }\n\n if (manifest.type === 'dynamic') {\n manifest.refreshManifestOnSwitchTrack = true; // Refresh manifest when switching tracks\n manifest.doNotUpdateDVRWindowOnBufferUpdated = true; // DVRWindow is update by MssFragmentMoofPocessor based on tfrf boxes\n manifest.ignorePostponeTimePeriod = true; // Never update manifest\n manifest.availabilityStartTime = new Date(null); // Returns 1970\n }\n\n // Map period node to manifest root node\n manifest.Period = mapPeriod(smoothStreamingMedia, manifest.timescale);\n manifest.Period_asArray = [manifest.Period];\n\n // Initialize period start time\n period = manifest.Period;\n period.start = 0;\n\n // Uncomment to test live to static manifests\n // if (manifest.type !== 'static') {\n // manifest.type = 'static';\n // manifest.mediaPresentationDuration = manifest.timeShiftBufferDepth;\n // manifest.timeShiftBufferDepth = null;\n // }\n\n // ContentProtection node\n if (protection !== undefined) {\n protectionHeader = xmlDoc.getElementsByTagName('ProtectionHeader')[0];\n\n // Some packagers put newlines into the ProtectionHeader base64 string, which is not good\n // because this cannot be correctly parsed. Let's just filter out any newlines found in there.\n protectionHeader.firstChild.data = protectionHeader.firstChild.data.replace(/\\n|\\r/g, '');\n\n // Get KID (in CENC format) from protection header\n KID = getKIDFromProtectionHeader(protectionHeader);\n\n // Create ContentProtection for PlayReady\n contentProtection = createPRContentProtection(protectionHeader);\n contentProtection['cenc:default_KID'] = KID;\n contentProtections.push(contentProtection);\n\n // Create ContentProtection for Widevine (as a CENC protection)\n contentProtection = createWidevineContentProtection(KID);\n contentProtection['cenc:default_KID'] = KID;\n contentProtections.push(contentProtection);\n\n manifest.ContentProtection = contentProtections;\n manifest.ContentProtection_asArray = contentProtections;\n }\n\n adaptations = period.AdaptationSet_asArray;\n\n for (i = 0; i < adaptations.length; i += 1) {\n adaptations[i].SegmentTemplate.initialization = '$Bandwidth$';\n // Propagate content protection information into each adaptation\n if (manifest.ContentProtection !== undefined) {\n adaptations[i].ContentProtection = manifest.ContentProtection;\n adaptations[i].ContentProtection_asArray = manifest.ContentProtection_asArray;\n }\n\n if (adaptations[i].contentType === 'video') {\n // Get video segment duration\n segmentDuration = adaptations[i].SegmentTemplate.SegmentTimeline.S_asArray[0].d / adaptations[i].SegmentTemplate.timescale;\n // Set minBufferTime to one segment duration\n manifest.minBufferTime = segmentDuration;\n\n if (manifest.type === 'dynamic') {\n // Match timeShiftBufferDepth to video segment timeline duration\n if (manifest.timeShiftBufferDepth > 0 &&\n manifest.timeShiftBufferDepth !== Infinity &&\n manifest.timeShiftBufferDepth > adaptations[i].SegmentTemplate.SegmentTimeline.duration) {\n manifest.timeShiftBufferDepth = adaptations[i].SegmentTemplate.SegmentTimeline.duration;\n }\n }\n }\n }\n\n // Cap minBufferTime to timeShiftBufferDepth\n manifest.minBufferTime = Math.min(manifest.minBufferTime, (manifest.timeShiftBufferDepth ? manifest.timeShiftBufferDepth : Infinity));\n\n // In case of live streams:\n // 1- configure player buffering properties according to target live delay\n // 2- adapt live delay and then buffers length in case timeShiftBufferDepth is too small compared to target live delay (see PlaybackController.computeLiveDelay())\n // 3- Set retry attempts and intervals for FragmentInfo requests\n if (manifest.type === 'dynamic') {\n let targetLiveDelay = settings.get().streaming.delay.liveDelay;\n if (!targetLiveDelay) {\n const liveDelayFragmentCount = settings.get().streaming.delay.liveDelayFragmentCount !== null && !isNaN(settings.get().streaming.delay.liveDelayFragmentCount) ? settings.get().streaming.delay.liveDelayFragmentCount : 4;\n targetLiveDelay = segmentDuration * liveDelayFragmentCount;\n }\n let targetDelayCapping = Math.max(manifest.timeShiftBufferDepth - 10/*END_OF_PLAYLIST_PADDING*/, manifest.timeShiftBufferDepth / 2);\n let liveDelay = Math.min(targetDelayCapping, targetLiveDelay);\n // Consider a margin of more than one segment in order to avoid Precondition Failed errors (412), for example if audio and video are not correctly synchronized\n let bufferTime = liveDelay - (segmentDuration * 1.5);\n\n // Store initial buffer settings\n initialBufferSettings = {\n 'streaming': {\n 'buffer': {\n 'stableBufferTime': settings.get().streaming.buffer.stableBufferTime,\n 'bufferTimeAtTopQuality': settings.get().streaming.buffer.bufferTimeAtTopQuality,\n 'bufferTimeAtTopQualityLongForm': settings.get().streaming.buffer.bufferTimeAtTopQualityLongForm\n },\n 'timeShiftBuffer': {\n calcFromSegmentTimeline: settings.get().streaming.timeShiftBuffer.calcFromSegmentTimeline\n },\n 'delay': {\n 'liveDelay': settings.get().streaming.delay.liveDelay\n }\n }\n };\n\n settings.update({\n 'streaming': {\n 'buffer': {\n 'stableBufferTime': bufferTime,\n 'bufferTimeAtTopQuality': bufferTime,\n 'bufferTimeAtTopQualityLongForm': bufferTime\n },\n 'timeShiftBuffer': {\n calcFromSegmentTimeline: true\n },\n 'delay': {\n 'liveDelay': liveDelay\n }\n }\n });\n }\n\n // Delete Content Protection under root manifest node\n delete manifest.ContentProtection;\n delete manifest.ContentProtection_asArray;\n\n // In case of VOD streams, check if start time is greater than 0\n // Then determine timestamp offset according to higher audio/video start time\n // (use case = live stream delinearization)\n if (manifest.type === 'static') {\n // In case of start-over stream and manifest reloading (due to track switch)\n // we consider previous timestampOffset to keep timelines synchronized\n var prevManifest = manifestModel.getValue();\n if (prevManifest && prevManifest.timestampOffset) {\n timestampOffset = prevManifest.timestampOffset;\n } else {\n for (i = 0; i < adaptations.length; i++) {\n if (adaptations[i].contentType === constants.AUDIO || adaptations[i].contentType === constants.VIDEO) {\n segments = adaptations[i].SegmentTemplate.SegmentTimeline.S_asArray;\n startTime = segments[0].t;\n if (timestampOffset === undefined) {\n timestampOffset = startTime;\n }\n timestampOffset = Math.min(timestampOffset, startTime);\n // Correct content duration according to minimum adaptation's segment timeline duration\n // in order to force <video> element sending 'ended' event\n manifest.mediaPresentationDuration = Math.min(manifest.mediaPresentationDuration, adaptations[i].SegmentTemplate.SegmentTimeline.duration);\n }\n }\n }\n if (timestampOffset > 0) {\n // Patch segment templates timestamps and determine period start time (since audio/video should not be aligned to 0)\n manifest.timestampOffset = timestampOffset;\n for (i = 0; i < adaptations.length; i++) {\n segments = adaptations[i].SegmentTemplate.SegmentTimeline.S_asArray;\n for (j = 0; j < segments.length; j++) {\n if (!segments[j].tManifest) {\n segments[j].tManifest = segments[j].t.toString();\n }\n segments[j].t -= timestampOffset;\n }\n if (adaptations[i].contentType === constants.AUDIO || adaptations[i].contentType === constants.VIDEO) {\n period.start = Math.max(segments[0].t, period.start);\n adaptations[i].SegmentTemplate.presentationTimeOffset = period.start;\n }\n }\n period.start /= manifest.timescale;\n }\n }\n\n // Floor the duration to get around precision differences between segments timestamps and MSE buffer timestamps\n // and then avoid 'ended' event not being raised\n manifest.mediaPresentationDuration = Math.floor(manifest.mediaPresentationDuration * 1000) / 1000;\n period.duration = manifest.mediaPresentationDuration;\n\n return manifest;\n }\n\n function parseDOM(data) {\n let xmlDoc = null;\n\n if (window.DOMParser) {\n const parser = new window.DOMParser();\n\n xmlDoc = parser.parseFromString(data, 'text/xml');\n if (xmlDoc.getElementsByTagName('parsererror').length > 0) {\n throw new Error('parsing the manifest failed');\n }\n }\n\n return xmlDoc;\n }\n\n function getMatchers() {\n return null;\n }\n\n function getIron() {\n return null;\n }\n\n function internalParse(data) {\n let xmlDoc = null;\n let manifest = null;\n\n const startTime = window.performance.now();\n\n // Parse the MSS XML manifest\n xmlDoc = parseDOM(data);\n\n const xmlParseTime = window.performance.now();\n\n if (xmlDoc === null) {\n return null;\n }\n\n // Convert MSS manifest into DASH manifest\n manifest = processManifest(xmlDoc, new Date());\n\n const mss2dashTime = window.performance.now();\n\n logger.info('Parsing complete: (xmlParsing: ' + (xmlParseTime - startTime).toPrecision(3) + 'ms, mss2dash: ' + (mss2dashTime - xmlParseTime).toPrecision(3) + 'ms, total: ' + ((mss2dashTime - startTime) / 1000).toPrecision(3) + 's)');\n\n return manifest;\n }\n\n function reset() {\n // Restore initial buffer settings\n if (initialBufferSettings) {\n settings.update(initialBufferSettings);\n }\n }\n\n instance = {\n parse: internalParse,\n getMatchers: getMatchers,\n getIron: getIron,\n reset: reset\n };\n\n setup();\n\n return instance;\n}\n\nMssParser.__dashjs_factory_name = 'MssParser';\nexport default dashjs.FactoryMaker.getClassFactory(MssParser); /* jshint ignore:line */\n","/**\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2013, Dash Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * * Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * * Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n\nimport DataChunk from '../streaming/vo/DataChunk';\nimport FragmentRequest from '../streaming/vo/FragmentRequest';\nimport MssFragmentInfoController from './MssFragmentInfoController';\nimport MssFragmentProcessor from './MssFragmentProcessor';\nimport MssParser from './parser/MssParser';\nimport MssErrors from './errors/MssErrors';\nimport DashJSError from '../streaming/vo/DashJSError';\nimport {HTTPRequest} from '../streaming/vo/metrics/HTTPRequest';\n\nfunction MssHandler(config) {\n\n config = config || {};\n const context = this.context;\n const eventBus = config.eventBus;\n const events = config.events;\n const constants = config.constants;\n const initSegmentType = config.initSegmentType;\n const dashMetrics = config.dashMetrics;\n const playbackController = config.playbackController;\n const streamController = config.streamController;\n const protectionController = config.protectionController;\n const mssFragmentProcessor = MssFragmentProcessor(context).create({\n dashMetrics: dashMetrics,\n playbackController: playbackController,\n protectionController: protectionController,\n streamController: streamController,\n eventBus: eventBus,\n constants: constants,\n ISOBoxer: config.ISOBoxer,\n debug: config.debug,\n errHandler: config.errHandler\n });\n let mssParser,\n fragmentInfoControllers,\n instance;\n\n function setup() {\n fragmentInfoControllers = [];\n }\n\n function getStreamProcessor(type) {\n return streamController.getActiveStreamProcessors().filter(processor => {\n return processor.getType() === type;\n })[0];\n }\n\n function getFragmentInfoController(type) {\n return fragmentInfoControllers.filter(controller => {\n return (controller.getType() === type);\n })[0];\n }\n\n function createDataChunk(request, streamId, endFragment) {\n const chunk = new DataChunk();\n\n chunk.streamId = streamId;\n chunk.mediaInfo = request.mediaInfo;\n chunk.segmentType = request.type;\n chunk.start = request.startTime;\n chunk.duration = request.duration;\n chunk.end = chunk.start + chunk.duration;\n chunk.index = request.index;\n chunk.quality = request.quality;\n chunk.representationId = request.representationId;\n chunk.endFragment = endFragment;\n\n return chunk;\n }\n\n function startFragmentInfoControllers() {\n\n // Create MssFragmentInfoControllers for each StreamProcessor of active stream (only for audio, video or text)\n let processors = streamController.getActiveStreamProcessors();\n processors.forEach(function (processor) {\n if (processor.getType() === constants.VIDEO ||\n processor.getType() === constants.AUDIO ||\n processor.getType() === constants.TEXT) {\n\n let fragmentInfoController = getFragmentInfoController(processor.getType());\n if (!fragmentInfoController) {\n fragmentInfoController = MssFragmentInfoController(context).create({\n streamProcessor: processor,\n baseURLController: config.baseURLController,\n debug: config.debug\n });\n fragmentInfoController.initialize();\n fragmentInfoControllers.push(fragmentInfoController);\n }\n fragmentInfoController.start();\n }\n });\n }\n\n function stopFragmentInfoControllers() {\n fragmentInfoControllers.forEach(c => {\n c.reset();\n });\n fragmentInfoControllers = [];\n }\n\n function onInitFragmentNeeded(e) {\n let streamProcessor = getStreamProcessor(e.mediaType);\n if (!streamProcessor) return;\n\n // Create init segment request\n let representationController = streamProcessor.getRepresentationController();\n let representation = representationController.getCurrentRepresentation();\n let mediaInfo = streamProcessor.getMediaInfo();\n\n let request = new FragmentRequest();\n request.mediaType = representation.adaptation.type;\n request.type = initSegmentType;\n request.range = representation.range;\n request.quality = representation.index;\n request.mediaInfo = mediaInfo;\n request.representationId = representation.id;\n\n const chunk = createDataChunk(request, mediaInfo.streamInfo.id, e.type !== events.FRAGMENT_LOADING_PROGRESS);\n\n try {\n // Generate init segment (moov)\n chunk.bytes = mssFragmentProcessor.generateMoov(representation);\n\n // Notify init segment has been loaded\n eventBus.trigger(events.INIT_FRAGMENT_LOADED,\n { chunk: chunk },\n { streamId: mediaInfo.streamInfo.id, mediaType: representation.adaptation.type }\n );\n } catch (e) {\n config.errHandler.error(new DashJSError(e.code, e.message, e.data));\n }\n\n // Change the sender value to stop event to be propagated\n e.sender = null;\n }\n\n function onSegmentMediaLoaded(e) {\n if (e.error) return;\n\n let streamProcessor = getStreamProcessor(e.request.mediaType);\n if (!streamProcessor) return;\n\n // Process moof to transcode it from MSS to DASH (or to update segment timeline for SegmentInfo fragments)\n mssFragmentProcessor.processFragment(e, streamProcessor);\n\n if (e.request.type === HTTPRequest.MSS_FRAGMENT_INFO_SEGMENT_TYPE) {\n // If FragmentInfo loaded, then notify corresponding MssFragmentInfoController\n let fragmentInfoController = getFragmentInfoController(e.request.mediaType);\n if (fragmentInfoController) {\n fragmentInfoController.fragmentInfoLoaded(e);\n }\n }\n\n // Start MssFragmentInfoControllers in case of start-over streams\n let manifestInfo = e.request.mediaInfo.streamInfo.manifestInfo;\n if (!manifestInfo.isDynamic && manifestInfo.dvrWindowSize !== Infinity) {\n startFragmentInfoControllers();\n }\n }\n\n function onPlaybackPaused() {\n if (playbackController.getIsDynamic() && playbackController.getTime() !== 0) {\n startFragmentInfoControllers();\n }\n }\n\n function onPlaybackSeeking() {\n if (playbackController.getIsDynamic() && playbackController.getTime() !== 0) {\n startFragmentInfoControllers();\n }\n }\n\n function onTTMLPreProcess(ttmlSubtitles) {\n if (!ttmlSubtitles || !ttmlSubtitles.data) {\n return;\n }\n\n ttmlSubtitles.data = ttmlSubtitles.data.replace(/http:\\/\\/www.w3.org\\/2006\\/10\\/ttaf1/gi, 'http://www.w3.org/ns/ttml');\n }\n\n function registerEvents() {\n eventBus.on(events.INIT_FRAGMENT_NEEDED, onInitFragmentNeeded, instance, { priority: dashjs.FactoryMaker.getSingletonFactoryByName(eventBus.getClassName()).EVENT_PRIORITY_HIGH }); /* jshint ignore:line */\n eventBus.on(events.PLAYBACK_PAUSED, onPlaybackPaused, instance, { priority: dashjs.FactoryMaker.getSingletonFactoryByName(eventBus.getClassName()).EVENT_PRIORITY_HIGH }); /* jshint ignore:line */\n eventBus.on(events.PLAYBACK_SEEKING, onPlaybackSeeking, instance, { priority: dashjs.FactoryMaker.getSingletonFactoryByName(eventBus.getClassName()).EVENT_PRIORITY_HIGH }); /* jshint ignore:line */\n eventBus.on(events.FRAGMENT_LOADING_COMPLETED, onSegmentMediaLoaded, instance, { priority: dashjs.FactoryMaker.getSingletonFactoryByName(eventBus.getClassName()).EVENT_PRIORITY_HIGH }); /* jshint ignore:line */\n eventBus.on(events.TTML_TO_PARSE, onTTMLPreProcess, instance);\n }\n\n function reset() {\n if (mssParser) {\n mssParser.reset();\n mssParser = undefined;\n }\n\n eventBus.off(events.INIT_FRAGMENT_NEEDED, onInitFragmentNeeded, this);\n eventBus.off(events.PLAYBACK_PAUSED, onPlaybackPaused, this);\n eventBus.off(events.PLAYBACK_SEEKING, onPlaybackSeeking, this);\n eventBus.off(events.FRAGMENT_LOADING_COMPLETED, onSegmentMediaLoaded, this);\n eventBus.off(events.TTML_TO_PARSE, onTTMLPreProcess, this);\n\n // Reset FragmentInfoControllers\n stopFragmentInfoControllers();\n }\n\n function createMssParser() {\n mssParser = MssParser(context).create(config);\n return mssParser;\n }\n\n instance = {\n reset: reset,\n createMssParser: createMssParser,\n registerEvents: registerEvents\n };\n\n setup();\n\n return instance;\n}\n\nMssHandler.__dashjs_factory_name = 'MssHandler';\nconst factory = dashjs.FactoryMaker.getClassFactory(MssHandler); /* jshint ignore:line */\nfactory.errors = MssErrors;\ndashjs.FactoryMaker.updateClassFactory(MssHandler.__dashjs_factory_name, factory); /* jshint ignore:line */\nexport default factory; /* jshint ignore:line */\n"],"sourceRoot":""}