@cdf/cdf-ng-media/src/assets/lib/jwplayer-7.6.1/provider.caterpillar.js

Angular module for displaying media assets (images, videos)

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e.autoselect&&(this["default"]=this.autoSelect=!0),this.forced="YES"===e.forced,this.characteristics=e.characteristics?e.characteristics.split(","):[]},t.Manifest=function(){function e(t,n){r(this,e),this.ptsToSecondsMap_={},this.streamType="LIVE",this.lastManifestRefreshTime_={},this.url="",this.levels_=[],this.sortedLevels_=[],this.refreshesWithoutChanges=0,u.extend(this,c),this.network=t,this.video_=n}return e.prototype.load=function(e,t){var n=this;return this.url=e,this.fetchManifest_({manifestURL:e,loadStreamLabel:t}).then(function(e){return"VOD"!==n.streamType&&(n.liveManifestLoader=new o.LiveManifestLoader(n,n.network,n.video_)),e})},e.prototype.getLevelFromLabel=function(e,t){for(var n=0;n<e.length;n++)if(e[n].label===t)return n;return 0},e.prototype.requestTS=function(e,t,n){var r=this,i=this.sortedLevels_[n];return this.fetchDataPromise_.then(function(){if(i.disabled)return Promise.resolve([]);var n=i.streamInfo.originalIndex;return"VOD"===r.streamType?r.refreshManifest(n).then(function(){return i.getSegmentTimeRange(e,t)}):r.liveManifestLoader.pollManifest(n).then(function(){var n=i.getSegmentTimeRange(e,t);if(n.length)return n;var r=i.segments[0];return r&&r.start>t?i.segments:[]})})},e.prototype.getSegmentFromIndex=function(e){var t=e.split("_"),n=t[0],r=t[1],i=this.levels_[parseInt(n)];return i.mediaSequenceMap[r]},e.prototype.updateTS=function(e,t,n){var r=this.levels_[e],i=r.mediaSequenceMap[t];i&&"video"===n.type&&n.duration&&(i.duration=n.duration,i.pts=n.start,this.updateTimeline_(r))},e.prototype.setPtsMapping=function(e,t,n){this.ptsToSecondsMap_[e]||(this.ptsToSecondsMap_[e]={discontinuity:e,pts:t,seconds:n})},e.prototype.getPtsMapping=function(e){return this.ptsToSecondsMap_[e]},e.prototype.updateLevel=function(e){var t=this.levels_[e.level];t.segmentFileSize.push(e.size);var n=t.segmentFileSize.max()/t.streamInfo.targetDuration;
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t.setupLevels_(e)})["catch"](function(e){return e}).then(function(e){var n=u.isString(e);if(n)throw e;var r=u.where(t.levels_,{disabled:!1});if(!r.length)throw"No levels to play";if(!t.referenceTimeline_||t.referenceTimeline_.disabled)throw"Playlist could not be loaded";var i=t.referenceTimeline_.streamInfo;return t.sortedLevels_=t.getSortedLevels_(r),t.currentManifestMetadata={initialLevel:t.initialLevel,sortedLevels:t.sortedLevels_,levels:r,trackTypes:r[0].streamInfo.trackTypes,streamType:t.streamType,start:i.start,end:i.end},t.currentManifestMetadata}),this.fetchDataPromise_},e.prototype.doneLoading=function(){return this.fetchDataPromise_},e.prototype.fetchManifestData_=function(e){function t(t,n){var i=e.loadStreamIndex;u.isNumber(i)&&!u.isNaN(i)||(i=r.getLevelFromLabel(t,e.loadStreamLabel));var a=t[i],s=n.getPlaylist();return s.streamInfos=t,r.downloadAndParseThrottle_(a.urls,a).then(function(e){return{master:s,media:e.parser.getPlaylist()}})["catch"](function(){return{master:s,media:{streamInfo:a}}})}function n(e){var n=e.parser;if(e.children=r.groupRedundantStreams_(e.children),e.children.length)return r.parsedMaster_=e,t(e.children,n);var i=n.getPlaylist();return{master:void 0,media:i}}var r=this;return this.url===e.manifestURL&&this.parsedMaster_?t(this.parsedMaster_.children,this.parsedMaster_.parser):this.downloadAndParseThrottle_([e.manifestURL]).then(n)},e.prototype.downloadAndParseThrottle_=function(t,n){var r=n?e.makeRedundantStreamKey(n):t[0],i=u.now(),a=this.lastManifestRefreshTime_[r];if(a&&i-a.time<500)return a.promise;var s=this.downloadAndParse_(t,n);return this.lastManifestRefreshTime_[r]={time:i,promise:s},s},e.prototype.downloadAndParse_=function(e,t){var n=new i.ManifestParser(t),r=new a.ManifestLoader(this.network),s=[];return r.on("baseUrlFound",n.setBaseUrl,n),n.on("mediaPlaylistFound",function(e){s.push(e)}),r.on("manifestChunk",n.parse,n),r.load(e).then(function(){return n.off(),r.off(),{children:s,parser:n}})},e.prototype.suspendManifestReloading=function(){"LIVE"===this.streamType&&this.liveManifestLoader&&this.liveManifestLoader.cancelReloading()},e.prototype.refreshLevels_=function(e){var t=this,n=e.media;if(!n.streamInfo)return null;var r=u.where(this.levels_,{disabled:!1});if(r.length>1&&(this.disableLevel_(n),r=u.where(this.levels_,{disabled:!1})),r.length!==this.sortedLevels_.length){this.sortedLevels_=this.getSortedLevels_(r),this.currentManifestMetadata.levels=r,this.currentManifestMetadata.sortedLevels=this.sortedLevels_;var i=r[0],a=i.streamInfo.originalIndex,s=u.indexOf(this.sortedLevels_,this.levels_[a]);return this.trigger("levels-disabled",{levels:this.sortedLevels_,nextIndex:s}),this.fetchManifestData_({manifestURL:this.url,loadStreamIndex:a}).then(function(e){return t.refreshLevels_(e)})}return Promise.resolve(e)},e.prototype.setupLevels_=function(e){var t=this;e.master||(e.master=new i.Playlist,e.master.streamInfos=[e.media.streamInfo]),this.levels_.length||(this.levels_=u.map(e.master.streamInfos,function(t){var n=new s.Level;return n.streamInfo=t,n.streamInfo.video&&e.master.renditions.video&&(n.streamInfo.video=e.master.renditions.video[n.streamInfo.video]),n.streamInfo.audio&&e.master.renditions.audio&&(n.streamInfo.audio=e.master.renditions.audio[n.streamInfo.audio]),n})),u.each(this.levels_,function(e,t){e.streamInfo.originalIndex=t});var n=e.media;if(!n.streamInfo)return Promise.reject("Invalid manifest file");this.disableLevels_(n);var r=n.streamInfo.originalIndex,a=this.levels_[r],o=a.streamInfo;this.referenceTimeline_=a,o.start=n.streamInfo.start,o.end=n.streamInfo.end,o.targetDuration=n.streamInfo.targetDuration,o.hasEndlist?this.streamType="VOD":o.end-o.start>=120&&(this.streamType="DVR"),u.each(n.mediaElements,function(e){e.level=r,a.appendSegment(e)}),this.initialLevel=a;var c=u.where(this.levels_,{disabled:!1});if(!c.length)throw"No levels to play";if(this.sortedLevels_=this.getSortedLevels_(c),a.disabled){var f=c[0].streamInfo.originalIndex;return this.fetchManifestData_({manifestURL:this.url,loadStreamIndex:f}).then(function(e){return t.setupLevels_(e)})}return Promise.resolve()},e.prototype.setCurrentQuality=function(e){if(e!==-1){var t=this.sortedLevels_[e];this.refreshManifest(t.streamInfo.originalIndex)}},e.prototype.disableLevels_=function(e){e&&this.disableLevel_(e);var t=u.any(this.levels_,function(e){return u.any(e.streamInfo.trackTypes,function(e){return"video"===e.type})}),n=u.any(this.levels_,function(e){return u.contains(e.streamInfo.codecs,"mp4a.40.2")});u.each(this.levels_,function(e){var r=1===e.streamInfo.trackTypes.length&&"audio"===e.streamInfo.trackTypes[0].type,i=e.streamInfo.codecs&&u.contains(e.streamInfo.codecs,"mp4a.40.5");(t&&r||n&&i)&&(e.disabled=!0)})},e.prototype.disableLevel_=function(e){var t=e.mediaElements;if(!t||!t.length||!t[0].url){var n=e.streamInfo.originalIndex;this.levels_[n].disabled=!0}},e.prototype.getSortedLevels_=function(e){var t=u.clone(e);return t.sort(function(e,t){return t.streamInfo.resolution.height&&e.streamInfo.resolution.height?t.streamInfo.resolution.height-e.streamInfo.resolution.height:t.streamInfo.bandwidth-e.streamInfo.bandwidth}),t},e.prototype.appendManifestInfoToLevels_=function(e){var t=e.media,n=t.streamInfo.originalIndex,r=this.levels_[n];if(r.mediaSequence=t.mediaSequence,"DVR"===this.streamType||"LIVE"===this.streamType){t.segments=t.mediaElements||[],r.updateSegments.call(t);var i=this.syncLiveLevels_(t);i||this.referenceTimeline_.segments.length&&(t.mediaElements[0].start=u.last(this.referenceTimeline_.segments).end,this.ptsToSecondsMap_={}),t.streamInfo.hasEndlist&&(u.each(this.levels_,function(e){e.streamInfo.hasEndlist=!0}),this.streamType=this.currentManifestMetadata.streamType="VOD")}var a=!1;return u.each(t.mediaElements,function(e){var t=r.appendSegment(e);t&&(a=!0),e.level=r.streamInfo.originalIndex}),r.updatedInLastRefresh=a,r.streamInfo.targetDuration=t.streamInfo.targetDuration,e},e.prototype.updateTimeline_=function(e){e.updateSegments(),e===this.referenceTimeline_&&(this.currentManifestMetadata.start=e.streamInfo.start,this.currentManifestMetadata.end=e.streamInfo.end)},e.prototype.syncLiveLevels_=function(e){var t=this,n=!1;return u.each(this.levels_,function(r){if(t.attemptSync_(e,r))n=!0;else{var i=t.liveManifestLoader.refreshRequests[r.streamInfo.originalIndex];i&&i.cycles||r.flushSegmentInfo()}}),n},e.prototype.attemptSync_=function(e,t){var n=e.mediaElements[0],r=t.getLastSegment();if(0===t.segments.length)return!1;if(r.mediaSequenceId+1===n.mediaSequenceId)return n.start=r.end,!0;for(var i=0,a=0;i<e.mediaElements.length&&a<t.segments.length;){var s=e.mediaElements[i],o=t.segments[a];if(s.mediaSequenceId===o.mediaSequenceId){var u=o.start-s.start;return e.mediaElements[0].start+=u,!0}s.mediaSequenceId<o.mediaSequenceId?i++:a++}return!1},e.prototype.groupRedundantStreams_=function(t){for(var n={},r=t,i=Array.isArray(r),a=0,r=i?r:r[Symbol.iterator]();;){var s;if(i){if(a>=r.length)break;s=r[a++]}else{if(a=r.next(),a.done)break;s=a.value}var o=s,u=e.makeRedundantStreamKey(o),c=n[u];c?c.urls=c.urls.concat(o.urls):n[u]=o}return Object.keys(n).map(function(e){return n[e]})},e.makeRedundantStreamKey=function(e){var t=e.resolution;return t&&t.width&&t.height?""+t.width+"x"+t.height:e.bandwidth?""+e.bandwidth:"no resolution"},e}()},function(e,t,n){"use strict";function r(e){return e&&e.__esModule?e:{"default":e}}function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}t.__esModule=!0,t.StreamingEngine=void 0;var a=n(7),s=r(a),o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol?"symbol":typeof e},u=n(104),c=n(98),f=r(c),l=n(210),d=n(1),h=n(2),p=n(3),m=n(6),v=n(23),y=window,g=y.VTTCue||y.TextTrackCue,_=1,b=10,T=60,x=50,k=200,w=30,E={video:{"default":'video/mp4; codecs="avc1.4d4015"'},audio:{"default":"audio/aac",aac:"audio/aac",mp3:"audio/mpeg"}};t.StreamingEngine=function(){function e(t,n,r,a,s){var o=this;i(this,e),this.lastTransmuxSessionComplete_=Promise.resolve([]),this.onTickInterval=-1,this.bufferEventSent_=!1,this.startOfStream_=!0,this.lastDuration_=NaN,d.extend(this,p),this.network=n,this.video=r,this.mediaSource=a,this.manifestRepresentation=t,this.mediaDataModel=new u.MDM(t,n),this.adaptive=new f["default"],this.edition_=s,this.supports=new v(s),this.manifestRepresentation.on("levels-disabled",function(e){var t=e.nextIndex;e.levels.length>1&&t++,o.adaptive.updateLevels(e.nextIndex),o.trigger("levels",{levels:e.levels,currentQuality:t})}),this.adaptive.on("quality-change",function(e){o.manifestRepresentation.setCurrentQuality(e)}),this.textTrackCache_={captions:{cues:{}},metadata:{cues:{}}},this.mediaDataModel.on("segment-download-error",function(e){o.trackTypes_||o.beginStream()})}return e.prototype.updateDuration_=function(e){return"VOD"!==e.streamType&&e.end>this.video.duration&&this.msee.setDuration(e.end),this.onDurationChange(e),e},e.prototype.clearBackBuffer_=function(e){var t=this;if(!this.mediaSource.sourceBuffers.length||!this.lastTransmuxSession_.tmsArray.length)return Promise.resolve(e);var n=d.last(this.lastTransmuxSession_.tmsArray).ts.isLast;if(this.mediaSource.sourceBuffers[0].buffered.length&&!n){var r=function(){var n=t.mediaSource.sourceBuffers[0].buffered.start(0),r=Math.max(t.video.currentTime-T,0);if(r-n>b)return{v:t.removeBuffer(0,r).then(function(){return t.mediaDataModel.removeAllTmsInRange(0,r),e})["catch"](function(){return e})}}();if("object"===("undefined"==typeof r?"undefined":o(r)))return r.v}return Promise.resolve(e)},e.prototype.skipVideoBeforeAudio=function(){if(this.msee&&2===this.mseeTracks_.length){var e=this.msee.sourceBuffers_.video.buffered,t=this.msee.sourceBuffers_.audio.buffered;if(e.length&&t.length){var n=e.start(0),r=t.start(0);if(this.video.currentTime===n&&n<r)return this.video.currentTime=r,!0}}return!1},e.prototype.skipDiscontinuousZones=function(e){var t=this.video.currentTime;if(this.skipVideoBeforeAudio())return e;var n=this.mediaDataModel.getSegmentAtTime(t);if(!n||this.minForwardBuffer()>.2)return e;var r=this.manifestRepresentation.levels_[n.level].segments,i=r.indexOf(n),a=r[i+1];if(!a||i===-1)return e;if(n.errorInSegment)return this.video.currentTime=n.end+.01,e;if(a.errorInSegment&&a.start-t<.2)return this.video.currentTime=a.end+.01,e;var s=this.firstBufferedRange_(t),o=this.mediaDataModel.currentTransmuxSession,u=d.pluck(this.mseeTracks_,"type");return t>=n.start&&t<n.end&&o.isBuffered(u)&&s-t<5&&s>t&&(this.video.currentTime=s),n.discontinuity!==a.discontinuity&&this.video.buffered.length>1&&(this.video.currentTime=a.start),e},e.prototype.firstBufferedRange_=function(e){var t=d.map(this.mseeTracks_,function(t){for(var n=this.msee.sourceBuffers_[t.type].buffered,r=n.length,i=0;i<r;i++){var a=n.start(i);if(e>=a&&e<=n.end(i)||e<=a)return a}return e},this);return Math.max.apply(Math,t)},e.prototype.onTick_=function(){var e=this;if(this.msee){if(this.video&&this.video.error)return this.destroy();this.adaptive.whatToDownload(this).then(this.buffer_.bind(this)),this.manifestRepresentation.doneLoading().then(function(t){return e.updateDuration_(t)}).then(function(t){return e.skipDiscontinuousZones(t)}).then(function(t){return e.clearBackBuffer_(t)})["catch"](function(t){return e.trigger("error",t)})}},e.prototype.removeBuffer=function(e,t){if(!this.msee)return Promise.resolve();var n=d.map(this.mseeTracks_,function(n){return this.msee.remove(n.type,e,t)["catch"](function(){})},this);return this.mediaDataModel.removeInactiveTmsInRange(e,t),Promise.all(n)},e.prototype.setCurrentQuality=function(e){var t=this.manifestRepresentation.sortedLevels_;this.adaptive.setQuality(e,t)},e.prototype.addListeners=function(){this.removeVideoListeners_(),this.onTimeUpdateListener=this.onTimeUpdate_.bind(this),this.onSeekingListener=this.onSeeking_.bind(this),this.video.addEventListener("timeupdate",this.onTimeUpdateListener,!1),this.video.addEventListener("seeking",this.onSeekingListener,!1),this.onTickThrottle_=d.throttle(this.onTick_.bind(this),x),this.resumeOnTick()},e.prototype.removeVideoListeners_=function(){this.video.removeEventListener("timeupdate",this.onTimeUpdateListener),this.video.removeEventListener("seeking",this.onSeekingListener)},e.prototype.removeListeners=function(){this.removeVideoListeners_(),this.suspendOnTick(),this.adaptive.off(),this.manifestRepresentation&&this.manifestRepresentation.off(),this.off()},e.getLiveStartTime=function(e){var t=e.end-e.start,n=h.between(.75*t,w/2,w),r=Math.max(e.start,e.end-n),i=e.initialLevel.getSegmentTimeRange(r,r);return i.length?i[0].start:0},e.prototype.setupMSEE_=function(e){var t=this;return new Promise(function(n,r){function i(){t.mediaSource.removeEventListener("sourceopen",i);try{t.msee=new l(t.mediaSource,null);var a=d.reduce(e,function(e,t){var n=E[t.type],r=n[t.codec]||n["default"];return e[t.type]=r,e},{});t.msee.init(a)}catch(s){r(s)}n(t.msee)}t.mediaSource.addEventListener("sourceopen",i),"open"===t.mediaSource.readyState&&i()})},e.prototype.setMseReady_=function(){var e=this;return this.mseReady=this.mediaDataModel.getTrackTypes().then(function(t){return e.mseeTracks_=t,e.trackTypes_=t.concat([{type:"metadata"},{type:"captions"}]),e.trigger("trackTypes",t),t}).then(this.setupMSEE_.bind(this))["catch"](function(e){})},e.prototype.setManifest=function(e,t){var n=this,r=this.manifestRepresentation.load(e,t).then(function(e){return n.onDurationChange(e)}).then(function(e){var r=void 0;return"Auto"===t?r=0:(r=d.indexOf(e.sortedLevels,n.manifestRepresentation.initialLevel),r+=1),n.setCurrentQuality(r),n.trigger("levels",{levels:e.sortedLevels,currentQuality:r}),n.trigger("trackTypes",e.trackTypes),e})["catch"](function(e){throw"Cannot load M3U8: "+e});return this.setMseReady_(),Promise.all([this.mseReady,r]).then(function(e){var t=e[1];n.msee.setDuration(t.end)})["catch"](function(){return null}),r},e.prototype.beginStream=function(){this.adaptive.whatToDownload(this,this.startOfStream_).then(this.buffer_.bind(this))["catch"](function(e){}),this.startOfStream_=!1,this.addListeners();var t=this;this.video.addEventListener("progress",function n(e){var r=e.target;t.msee&&t.minForwardBuffer()>_&&(r.removeEventListener("progress",n),t.bufferEventSent_=!0,t.trigger("bufferFull"))},!1),"LIVE"!==this.manifestRepresentation.streamType&&"DVR"!==this.manifestRepresentation.streamType||this.video.addEventListener("loadedmetadata",function r(n){var i=n.target;i.removeEventListener("loadedmetadata",r),t.manifestRepresentation&&(i.currentTime=e.getLiveStartTime(t.manifestRepresentation.currentManifestMetadata))})},e.prototype.buffer_=function(e){var t=this,n=e.segment;if(n&&!(n.end<this.video.currentTime&&this.video.currentTime!==this.video.duration))return n.aesKeyUri&&!this.supports("drm")?void this.trigger("error","AES decryption not supported in "+this.edition_+" edition"):(this.addExtInfCue_(n),this.mediaDataModel.get(n).then(function(e){return t.bufferTransmuxSegment_(e)["catch"](function(e){return null})})["catch"](function(e){return t.trigger("error",e)}))},e.prototype.addExtInfCue_=function(e){if(e.extInfTitle){var t=e.start,n=e.end,r="metadata",i=JSON.stringify({extInfTitle:e.extInfTitle});if(!this.textTrackCache_[r].cues[t]||this.textTrackCache_[r].cues[t]!==n+i){this.textTrackCache_[r].cues[t]=n+i;var a=new g(t,n,i);this.trigger("cueAdded",{type:r,cue:a})}}},e.getCaptionOffset=function(e,t){return(e-t)/9e4},e.prototype.getStreamOffsets_=function(e){var t=this;return e?e.offsetsKnown.then(function(n){var r=n.audio;t.audioCodec=r.codec;var i=n.video;return t.videoPtsOffset_=i.start,{session:e,offsets:n}}):Promise.resolve({})},e.prototype.alignStreams_=function(e){var t=this,n=e.session,r=e.offsets;if(n&&n.tmsArray.length){var i=n.tmsArray[0].ts,a=this.manifestRepresentation.getPtsMapping(i.discontinuity),s=d.map(this.trackTypes_,function(e){var n=e.type,s=r[n].start,o=i.start;if(a&&("video"===n||"audio"===n)){var u=(s-a.pts)/9e4+a.seconds;Math.abs(u-o)<5&&(o=u)}return a||"video"!==n&&"audio"!==n||(t.manifestRepresentation.setPtsMapping(i.discontinuity,s,o),a=t.manifestRepresentation.getPtsMapping(i.discontinuity)),{type:n,start:o,end:i.end,pts:i.pts}});return{session:n,alignedStreams:s}}},e.prototype.clearBufferBeforeAppending_=function(e){if(e&&e.session){var t=e.session,n=e.alignedStreams,r=d.pluck(n,"start"),i=Math.max.apply(Math,r),a=this.video.seekable.length;if(!a)return t.forwardBufferCleared=!0,Promise.resolve(e);var s=this.video.seekable.end(a-1);return this.removeBuffer(i,s).then(function(){return t.forwardBufferCleared=!0,e})}},e.prototype.addAllTracks_=function(e){var t=this;if(e){var n=e.session,r=e.alignedStreams,i=n.tmsArray.length&&n.tmsArray[0].ts;if(i){var a=d.map(r,function(e){var t=this.manifestRepresentation.getPtsMapping(i.discontinuity);return"metadata"===e.type||"captions"===e.type?this.appendTextTrack(n,e.type,e.start,t):this.