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e,t,n,r;this.throwErrorIfNotLoadingStatus(),this.setStatus(`aborted`),this.logger(`${(e=this.currentAttempt)==null?void 0:e.downloadSource} ${this.segment.externalId} aborted`),(t=this._onAbortCallback)==null||t.call(this,new m(`abort`)),this.onSegmentAbort({segment:Mi(this.segment),downloadSource:(n=this.currentAttempt)==null?void 0:n.downloadSource,peerId:((r=this.currentAttempt)==null?void 0:r.downloadSource)===`p2p`?this.currentAttempt.peerId:void 0,infoHash:this.infoHash,streamType:this.segment.stream.type}),this._onAbortCallback=void 0,this.manageBandwidthCalculatorsState(`stop`),this.notReceivingBytesTimeout.clear()}throwErrorIfNotLoadingStatus(){if(this._status!==`loading`)throw Error(`Request has been already ${this.status}.`)}logger(e){var t;this._logger.color=((t=this.currentAttempt)==null?void 0:t.downloadSource)===`http`?`green`:`red`,this._logger(e),this._logger.color=``}manageBandwidthCalculatorsState(e){var t;let{all:n,http:r}=this.bandwidthCalculators,i=e===`start`?`startLoading`:`stopLoading`;((t=this.currentAttempt)==null?void 0:t.downloadSource)===`http`&&r[i](),n[i]()}},Pi=class{constructor(){p(this,`attempts`,[])}add(e){this.attempts.push(e)}get httpAttemptsCount(){return this.attempts.reduce((e,t)=>t.downloadSource===`http`?e+1:e,0)}get p2pAttemptsCount(){return this.attempts.reduce((e,t)=>t.downloadSource===`p2p`?e+1:e,0)}get lastAttempt(){return this.attempts[this.attempts.length-1]}clear(){this.attempts=[]}},Fi=class{constructor(e){p(this,`action`,void 0),p(this,`timeoutId`,void 0),p(this,`ms`,void 0),this.action=e}start(e){if(this.timeoutId)throw Error(`Timeout is already started.`);this.ms=e,this.timeoutId=window.setTimeout(this.action,this.ms)}restart(e){this.clear(),e!==void 0&&(this.ms=e),this.ms!==void 0&&(this.timeoutId=window.setTimeout(this.action,this.ms))}clear(){clearTimeout(this.timeoutId),this.timeoutId=void 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this.requests.values())e.downloadSource===`http`&&(yield e)}*p2pRequests(){for(let e of this.requests.values())e.downloadSource===`p2p`&&(yield e)}destroy(){for(let e of this.requests.values())e.status===`loading`&&e.cancel();this.requests.clear()}},Li=class{constructor(e,t){p(this,`segment`,void 0),p(this,`engineCallbacks`,void 0),p(this,`_status`,`pending`),p(this,`_shouldBeStartedImmediately`,!1),this.segment=e,this.engineCallbacks=t}get status(){return this._status}get shouldBeStartedImmediately(){return this._shouldBeStartedImmediately}resolve(e,t){this._status===`pending`&&(this._status=`succeed`,this.engineCallbacks.onSuccess({data:e,bandwidth:t}))}reject(){this._status===`pending`&&(this._status=`failed`,this.engineCallbacks.onError(new se(`failed`)))}abort(){this._status===`pending`&&(this._status=`aborted`,this.engineCallbacks.onError(new se(`aborted`)))}markAsShouldBeStartedImmediately(){this._shouldBeStartedImmediately=!0}};function*Ri(e,t,n,r,i){let{runtimeId:a,stream:o}=e,s=o.segments.get(a);if(!s)return;let c=o.segments.values(),l;do{let e=c.next();if(e.done)return;l=e.value}while(l!==s);let u=Ar(l,t,n,r,i);if(zi(u)){let e=c.next();if(e.done)return;let a=e.value,o=Ar(a,t,n,r,i);if(zi(o))return;u.isHighDemand=!0,yield{segment:l,statuses:u},yield{segment:a,statuses:o}}else yield{segment:l,statuses:u};for(let e of c){let a=Ar(e,t,n,r,i);if(zi(a))break;yield{segment:e,statuses:a}}}function zi(e){let{isHighDemand:t,isHttpDownloadable:n,isP2PDownloadable:r}=e;return!t&&!n&&!r}var Bi=6e4,Vi=1e3,Hi=class{constructor(e,t,n,r,i,a,o,s,c){var l;p(this,`streamManifestUrl`,void 0),p(this,`lastRequestedSegment`,void 0),p(this,`streamDetails`,void 0),p(this,`config`,void 0),p(this,`bandwidthCalculators`,void 0),p(this,`segmentStorage`,void 0),p(this,`webTorrentSocketPool`,void 0),p(this,`eventTarget`,void 0),p(this,`peerId`,void 0),p(this,`requests`,void 0),p(this,`engineRequest`,void 0),p(this,`p2pLoaders`,void 0),p(this,`playback`,void 0),p(this,`segmentAvgDuration`,void 0),p(this,`logger`,void 0),p(this,`levelChangedTimestamp`,void 0),p(this,`lastQueueProcessingTimeStamp`,void 0),p(this,`randomHttpDownloadTimeout`,void 0),p(this,`initialHttpDelayTimeoutId`,void 0),p(this,`isProcessQueueMicrotaskCreated`,!1),p(this,`swarmId`,void 0),p(this,`createdAt`,performance.now()),p(this,`requestProcessQueueMicrotask`,(e=!0)=>{let t=performance.now();!e&&this.lastQueueProcessingTimeStamp!==void 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Di(this.streamManifestUrl,this.lastRequestedSegment.stream,this.requests,this.segmentStorage,this.config,this.webTorrentSocketPool,this.eventTarget,this.peerId,this.requestProcessQueueMicrotask),this.logger=(0,b.default)(`p2pml-core:hybrid-loader-${u.type}`),this.logger.color=`coral`,this.setIntervalLoading()}setIntervalLoading(){let e=this.p2pLoaders.currentLoader.connectedPeerCount,t=Math.random()*Vi*e+Vi;this.randomHttpDownloadTimeout=window.setTimeout(()=>{this.loadRandomThroughHttp(),this.setIntervalLoading()},t)}loadSegment(e,t){var n=this;return y(function*(){n.logger(`requests: ${mi(e)}`);let{stream:r}=e;r!==n.lastRequestedSegment.stream&&(n.logger(`stream changed to ${pi(r)}`),n.p2pLoaders.changeCurrentLoader(r)),n.lastRequestedSegment=e;let i=wr(n.swarmId,r);n.segmentStorage.onSegmentRequested(n.swarmId,i,e.externalId,e.startTime,e.endTime,r.type,n.streamDetails.isLive);let a=new Li(e,t);try{var o;if(n.segmentStorage.hasSegment(n.swarmId,i,e.externalId)){let t=yield n.segmentStorage.getSegmentData(n.swarmId,i,e.externalId);if(t){let{queueDownloadRatio:e}=n.generateQueue();a.resolve(t,n.getBandwidth(e));return}}(o=n.engineRequest)==null||o.abort(),n.engineRequest=a;let t=n.requests.get(e);(t==null?void 0:t.status)===`failed`&&t.failedAttempts.clear()}catch(t){n.logger(`request failed for ${mi(e)} in ${pi(r)}`,t),a.reject()}finally{n.requestProcessQueueMicrotask()}})()}processRequests(e,t){let{stream:n}=this.lastRequestedSegment,{httpErrorRetries:r}=this.config,i=performance.now();for(let o of this.requests.items()){var a;let{downloadSource:s,status:c,segment:l,isHandledByProcessQueue:u}=o,d=((a=this.engineRequest)==null?void 0:a.segment)===l?this.engineRequest:void 0;switch(c){case`loading`:!e.has(l.runtimeId)&&!d&&(o.cancel(),this.requests.remove(o));break;case`succeed`:{if(!s)break;s===`http`&&this.p2pLoaders.currentLoader.broadcastAnnouncement(),d&&(d.resolve(o.data,this.getBandwidth(t)),this.engineRequest=void 0),this.requests.remove(o),this.logger(`succeed: ${mi(l)} (byteLength: ${o.data.byteLength})`);let e=wr(this.swarmId,n);this.segmentStorage.storeSegment(this.swarmId,e,l.externalId,o.data,l.startTime,l.endTime,l.stream.type,this.streamDetails.isLive);break}case`failed`:s===`http`&&!u&&this.p2pLoaders.currentLoader.broadcastAnnouncement(),!d&&!n.segments.has(o.segment.runtimeId)&&this.requests.remove(o),o.failedAttempts.httpAttemptsCount>=r&&d&&(this.engineRequest=void 0,d.reject());break;case`not-started`:this.requests.remove(o);break;case`aborted`:this.requests.remove(o);break}o.markHandledByProcessQueue();let{lastAttempt:f}=o.failedAttempts;f&&i-f.error.timestamp>Bi&&o.failedAttempts.clear()}}processQueue(){let{queue:e,queueSegmentIds:t,queueDownloadRatio:n}=this.generateQueue();this.processRequests(t,n);let{simultaneousHttpDownloads:r,simultaneousP2PDownloads:i,httpErrorRetries:a,httpDownloadInitialTimeoutMs:o}=this.config,s=performance.now()-this.createdAt,c=o>0&&s<o;c&&(this.initialHttpDelayTimeoutId!=null||(this.initialHttpDelayTimeoutId=window.setTimeout(()=>{this.initialHttpDelayTimeoutId=void 0,this.requestProcessQueueMicrotask()},o-s)));let{engineRequest:l}=this;if(l){let{segment:e}=l,t=this.requests.get(e);if(l.shouldBeStartedImmediately&&l.status===`pending`&&(!t||t.status===`not-started`||t.status===`failed`||t.status===`aborted`)){var u;!c&&((u=t==null?void 0:t.failedAttempts.httpAttemptsCount)==null?0:u)<a&&this.requests.executingHttpCount<r?this.loadThroughHttp(e):this.p2pLoaders.currentLoader.isSegmentLoadedBySomeone(e)&&this.requests.executingP2PCount<i&&this.loadThroughP2P(e)}}for(let t of e){let{statuses:n,segment:o}=t,s=this.requests.get(o);if((s==null?void 0:s.status)!==`succeed`)if(n.isHighDemand){var d;let t=!c&&((d=s==null?void 0:s.failedAttempts.httpAttemptsCount)==null?0:d)<a;if((s==null?void 0:s.status)===`loading`){t&&s.downloadSource===`p2p`&&(this.requests.executingHttpCount<r||this.abortLastHttpLoadingInQueueAfterItem(e,o))&&(s.cancel(),this.loadThroughHttp(o));continue}if(t&&(this.requests.executingHttpCount<r||this.abortLastHttpLoadingInQueueAfterItem(e,o))){this.loadThroughHttp(o);continue}this.p2pLoaders.currentLoader.isSegmentLoadedBySomeone(o)&&(this.requests.executingP2PCount<i||this.abortLastP2PLoadingInQueueAfterItem(e,o))&&this.loadThroughP2P(o)}else n.isP2PDownloadable&&(s==null?void 0:s.status)!==`loading`&&this.requests.executingP2PCount<i&&this.loadThroughP2P(o)}}abortSegmentRequest(e){var t;((t=this.engineRequest)==null?void 0:t.segment.runtimeId)===e&&(this.engineRequest.abort(),this.logger(`abort: `,mi(this.engineRequest.segment)),this.engineRequest=void 0,this.requestProcessQueueMicrotask())}loadThroughHttp(e){new ge(this.requests.getOrCreateRequest(e),this.config,this.eventTarget).execute(),this.p2pLoaders.currentLoader.broadcastAnnouncement()}loadThroughP2P(e){this.p2pLoaders.currentLoader.downloadSegment(e)}loadRandomThroughHttp(){let{httpDownloadInitialTimeoutMs:e}=this.config;if(e>0&&performance.now()-this.createdAt<e)return;let t=this.getAvailableStorageCapacityPercent();if(t<=10)return;let{simultaneousHttpDownloads:n,httpErrorRetries:r}=this.config,i=this.p2pLoaders.currentLoader;if(this.requests.executingHttpCount>=n||!i.connectedPeerCount)return;let a=[];for(let{segment:e,statuses:n}of Ri(this.lastRequestedSegment,this.playback,this.config,this.p2pLoaders.currentLoader,t)){let t=wr(this.swarmId,e.stream);if(!n.isHttpDownloadable||n.isP2PDownloadable||this.segmentStorage.hasSegment(this.swarmId,t,e.externalId))continue;let i=this.requests.get(e);i&&(i.status===`loading`||i.status===`succeed`||i.failedAttempts.httpAttemptsCount>=r)||a.push(e)}if(!a.length||n-this.requests.executingHttpCount===0)return;let o=i.connectedPeerCount+1,s=Math.min(a.length,n*o),c=Me(Array.from({length:s},(e,t)=>t)),l=s/o;for(let e of c){if(this.requests.executingHttpCount>=n)break;if(l>=1||Math.random()<=l){let t=a[e];this.loadThroughHttp(t)}if(l--,l<=0)break}}abortLastHttpLoadingInQueueAfterItem(e,t){for(let{segment:n}of De(e)){if(n===t)break;let e=this.requests.get(n);if((e==null?void 0:e.downloadSource)===`http`&&e.status===`loading`)return e.cancel(),!0}return!1}abortLastP2PLoadingInQueueAfterItem(e,t){for(let{segment:n}of De(e)){if(n===t)break;let e=this.requests.get(n);if((e==null?void 0:e.downloadSource)===`p2p`&&e.status===`loading`)return e.cancel(),!0}return!1}getAvailableStorageCapacityPercent(){let{totalCapacity:e,usedCapacity:t}=this.segmentStorage.getUsage();return 100-t/e*100}generateQueue(){let e=[],t=new Set,n=0,r=0,i=this.getAvailableStorageCapacityPercent();for(let o of Ri(this.lastRequestedSegment,this.playback,this.config,this.p2pLoaders.currentLoader,i)){var a;n++;let{segment:i}=o,s=wr(this.swarmId,i.stream);if(this.segmentStorage.hasSegment(this.swarmId,s,i.externalId)||((a=this.requests.get(i))==null?void 0:a.status)===`succeed`){r++;continue}e.push(o),t.add(i.runtimeId)}return{queue:e,queueSegmentIds:t,maxPossibleLength:n,alreadyLoadedCount:r,queueDownloadRatio:n===0?0:r/n}}getBandwidth(e){let{http:t,all:n}=this.bandwidthCalculators,{activeLevelBitrate:r}=this.streamDetails;if(r===0)return n.getBandwidthLoadingOnly(3);let i=Math.max(n.getBandwidth(30,this.levelChangedTimestamp),n.getBandwidth(60,this.levelChangedTimestamp),n.getBandwidth(90,this.levelChangedTimestamp));if(e>=.8||i>=r*.9)return Math.max(n.getBandwidthLoadingOnly(1),n.getBandwidthLoadingOnly(3),n.getBandwidthLoadingOnly(5));let a=Math.max(t.getBandwidthLoadingOnly(1),t.getBandwidthLoadingOnly(3),t.getBandwidthLoadingOnly(5));return Math.max(i,a)}notifyLevelChanged(){this.levelChangedTimestamp=performance.now()}sendBroadcastAnnouncement(e=!1){this.p2pLoaders.currentLoader.broadcastAnnouncement(e)}updatePlayback(e,t){let n=this.playback.rate!==t,r=this.playback.position!==e;if(!n&&!r)return;let i=Math.abs(e-this.playback.position)/this.segmentAvgDuration>.5;if(r&&(this.playback.position=e),n&&t!==0&&(this.playback.rate=t),i){var a;this.logger(`position significantly 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t,n;(t=this.mainStreamLoader)==null||t.abortSegmentRequest(e),(n=this.secondaryStreamLoader)==null||n.abortSegmentRequest(e)}updatePlayback(e,t){var n,r;(n=this.mainStreamLoader)==null||n.updatePlayback(e,t),(r=this.secondaryStreamLoader)==null||r.updatePlayback(e,t)}setActiveLevelBitrate(e){if(e!==this.streamDetails.activeLevelBitrate){var t,n;this.streamDetails.activeLevelBitrate=e,(t=this.mainStreamLoader)==null||t.notifyLevelChanged(),(n=this.secondaryStreamLoader)==null||n.notifyLevelChanged()}}setIsLive(e){this.streamDetails.isLive=e}isSegmentLoadable(e){try{let t=this.identifySegment(e);return!(t.stream.type===`main`&&this.mainStreamConfig.isP2PDisabled||t.stream.type===`secondary`&&this.secondaryStreamConfig.isP2PDisabled)}catch(e){return!1}}destroy(){var e,t,n,r;this.streams.clear(),(e=this.mainStreamLoader)==null||e.destroy(),(t=this.secondaryStreamLoader)==null||t.destroy(),(n=this.segmentStorage)==null||n.setSegmentChangeCallback(void 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ua=[`mp4a`,`ac-3`,`ec-3`,`ec+3`,`opus`,`vorb`,`flac`],da=class{constructor(e,t){p(this,`shaka`,void 0),p(this,`originalManifestParser`,void 0),p(this,`debug`,(0,b.debug)(`p2pml-shaka:manifest-parser`)),p(this,`isHls`,void 0),p(this,`segmentManager`,void 0),p(this,`player`,void 0),this.shaka=e,this.originalManifestParser=t,this.isHls=this.originalManifestParser instanceof e.hls.HlsParser}configure(e){return this.originalManifestParser.configure(e)}banLocation(e){return this.originalManifestParser.banLocation(e)}onInitialVariantChosen(e){return this.originalManifestParser.onInitialVariantChosen(e)}setP2PMediaLoaderData(e){e&&(this.segmentManager=e.segmentManager,this.player=e.player,e.streamInfo.protocol=this.isHls?`hls`:`dash`)}start(e,t){var n=this;return y(function*(){let{p2pml:r}=t.networkingEngine;n.setP2PMediaLoaderData(r);let i=yield n.originalManifestParser.start(e,t);return 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i===t.MANIFEST&&this.handleManifestLoading(a.promise).catch(()=>void 0),a}handleManifestLoading(e){var t=this;return y(function*(){if(!t.streamInfo.manifestResponseUrl){let n=yield e;t.setManifestResponseUrl(n.uri)}})()}loadSegment(e,t){var n=this;let r=t.headers.Range,i=va(e,r),a=this.core.isSegmentLoadable(i);if(!this.core.hasSegment(i)||!a)return this.defaultLoad();let o=function(){var r=y(function*(){let{request:r,callbacks:a}=Oa();n.core.loadSegment(i,a);try{let{data:n,bandwidth:i}=yield r;return{data:n,headers:{},originalRequest:t,uri:e,originalUri:e,timeMs:Da(i,n.byteLength)}}catch(e){if(e instanceof se){let{Error:t}=n.shaka.util;if(e.type===`aborted`)throw new t(t.Severity.RECOVERABLE,t.Category.NETWORK,n.shaka.util.Error.Code.OPERATION_ABORTED)}throw e}});return function(){return r.apply(this,arguments)}}();return new this.shaka.util.AbortableOperation(o(),()=>(this.core.abortSegmentLoading(i),Promise.resolve()))}setManifestResponseUrl(e){this.streamInfo.manifestResponseUrl=e,this.core.setManifestResponseUrl(e)}};function Da(e,t){let n=t*8;return e>0?Math.round(n/e)*1e3:0}function Oa(){let e,t;return{request:new Promise((n,r)=>{e=n,t=r}),callbacks:{onSuccess:e,onError:t}}}var ka=25,Aa=class e{constructor(e,t=window.shaka){p(this,`player`,void 0),p(this,`shaka`,void 0),p(this,`streamInfo`,{}),p(this,`core`,void 0),p(this,`segmentManager`,void 0),p(this,`requestFilter`,void 0),p(this,`updatePlayerEventHandlers`,e=>{let{player:t}=this;if(!t)return;let n=t.getNetworkingEngine();if(n)if(e===`register`){let e={player:t,shaka:this.shaka,core:this.core,streamInfo:this.streamInfo,segmentManager:this.segmentManager};this.requestFilter=(t,n)=>{n.p2pml=e},n.p2pml=e,n.registerRequestFilter(this.requestFilter)}else n.p2pml=void 0,this.requestFilter&&n.unregisterRequestFilter(this.requestFilter);let r=e===`register`?`addEventListener`:`removeEventListener`;t[r](`loaded`,this.handlePlayerLoaded),t[r](`loading`,this.destroyCurrentStreamContext),t[r](`unloading`,this.handlePlayerUnloading),t[r](`adaptation`,this.onVariantChanged),t[r](`variantchanged`,this.onVariantChanged)}),p(this,`onVariantChanged`,()=>{if(!this.player)return;let e=this.player.getVariantTracks().find(e=>e.active);e&&this.core.setActiveLevelBitrate(e.bandwidth)}),p(this,`handlePlayerLoaded`,()=>{this.player&&(this.core.setIsLive(this.player.isLive()),this.updateMediaElementEventHandlers(`register`))}),p(this,`handlePlayerUnloading`,()=>{this.destroyCurrentStreamContext(),this.updateMediaElementEventHandlers(`unregister`)}),p(this,`destroyCurrentStreamContext`,()=>{this.streamInfo.protocol=void 0,this.streamInfo.manifestResponseUrl=void 0,this.core.destroy()}),p(this,`updateMediaElementEventHandlers`,e=>{var t;let n=(t=this.player)==null?void 0:t.getMediaElement();if(!n)return;let r=e===`register`?`addEventListener`:`removeEventListener`;n[r](`timeupdate`,this.handlePlaybackUpdate),n[r](`ratechange`,this.handlePlaybackUpdate),n[r](`seeking`,this.handlePlaybackUpdate)}),p(this,`handlePlaybackUpdate`,e=>{let t=e.target;this.core.updatePlayback(t.currentTime,t.playbackRate)}),ja(t),this.shaka=t,this.core=new la(e==null?void 0:e.core),this.segmentManager=new Ca(this.streamInfo,this.core)}bindShakaPlayer(e){if(this.player===e)return;this.player&&this.destroy(),this.player=e,this.player.configure(`manifest.defaultPresentationDelay`,ka),this.player.configure(`manifest.dash.ignoreSuggestedPresentationDelay`,!0);let t=/\d+/.exec(this.shaka.Player.version);parseInt(t?t[0]:`0`,10)>=5?this.player.configure(`streaming.preferNativeHls`,!1):this.player.configure(`streaming.useNativeHlsOnSafari`,!1),this.updatePlayerEventHandlers(`register`)}applyDynamicConfig(e){e.core&&this.core.applyDynamicConfig(e.core)}getConfig(){return{core:this.core.getConfig()}}addEventListener(e,t){this.core.addEventListener(e,t)}removeEventListener(e,t){this.core.removeEventListener(e,t)}destroy(){this.destroyCurrentStreamContext(),this.updatePlayerEventHandlers(`unregister`),this.updateMediaElementEventHandlers(`unregister`),this.player=void 0}static registerManifestParsers(e){let t=()=>new fa(e),n=()=>new pa(e),r=e.media.ManifestParser;r.registerParserByMime(`application/dash+xml`,n),r.registerParserByMime(`application/x-mpegurl`,t),r.registerParserByMime(`application/vnd.apple.mpegurl`,t)}static unregisterManifestParsers(e){let t=e.media.ManifestParser;t.unregisterParserByMime(`mpd`),t.unregisterParserByMime(`application/dash+xml`),t.unregisterParserByMime(`m3u8`),t.unregisterParserByMime(`application/x-mpegurl`),t.unregisterParserByMime(`application/vnd.apple.mpegurl`)}static registerNetworkingEngineSchemes(e){let{NetworkingEngine:t}=e.net,n=(...t)=>{let{p2pml:n}=t[1];return n?new Ea(n.shaka,n.core,n.streamInfo).load(...t):e.net.HttpFetchPlugin.parse(...t)};t.registerScheme(`http`,n),t.registerScheme(`https`,n),t.registerScheme(`data`,n)}static unregisterNetworkingEngineSchemes(e){let{NetworkingEngine:t}=e.net;t.unregisterScheme(`http`),t.unregisterScheme(`https`),t.unregisterScheme(`data`)}static registerPlugins(t=window.shaka){ja(t),e.registerManifestParsers(t),e.registerNetworkingEngineSchemes(t)}static unregisterPlugins(t=window.shaka){ja(t),e.unregisterManifestParsers(t),e.unregisterNetworkingEngineSchemes(t)}};function ja(e){if(!e)throw Error(`shaka namespace is not defined in global scope and not passed as an argument to Shaka P2P engine constructor`)}return e.Core=la,e.ShakaP2PEngine=Aa,e})({});
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