p2p-media-loader-hlsjs.min.js

require=function t(e,s,i){function n(r,o){if(!s[r]){if(!e[r]){var u="function"==typeof require&&require;if(!o&&u)return u(r,!0);if(a)return a(r,!0);var l=new Error("Cannot find module '"+r+"'");throw l.code="MODULE_NOT_FOUND",l}var g=s[r]={exports:{}};e[r][0].call(g.exports,function(t){return n(e[r][1][t]||t)},g,g.exports,t,e,s,i)}return s[r].exports}for(var a="function"==typeof require&&require,r=0;r<i.length;r++)n(i[r]);return n}({1:[function(t,e,s){window.p2pml||(window.p2pml={}),window.p2pml.hlsjs=t("p2p-media-loader-hlsjs")},{"p2p-media-loader-hlsjs":"p2p-media-loader-hlsjs"}],2:[function(t,e,s){"use strict";Object.defineProperty(s,"__esModule",{value:!0});const i=t("events"),n=t("p2p-media-loader-core"),a=t("./segment-manager"),r=t("./hlsjs-loader"),o=t("./hlsjs-loader-class");s.Engine=class extends i.EventEmitter{constructor(t={}){super(),this.loader=new n.HybridLoader(t.loader),this.segmentManager=new a.SegmentManager(this.loader,t.segments),Object.keys(n.Events).map(t=>n.Events[t]).forEach(t=>this.loader.on(t,(...e)=>this.emit(t,...e)))}static isSupported(){return n.HybridLoader.isSupported()}createLoaderClass(){return o.createHlsJsLoaderClass(r.HlsJsLoader,this)}async destroy(){await this.segmentManager.destroy()}getSettings(){return{segments:this.segmentManager.getSettings(),loader:this.loader.getSettings()}}getDetails(){return{loader:this.loader.getDetails()}}setPlayingSegment(t,e,s,i){this.segmentManager.setPlayingSegment(t,e,s,i)}setPlayingSegmentByCurrentTime(t){this.segmentManager.setPlayingSegmentByCurrentTime(t)}}},{"./hlsjs-loader":4,"./hlsjs-loader-class":3,"./segment-manager":5,events:"events","p2p-media-loader-core":"p2p-media-loader-core"}],3:[function(t,e,s){e.exports.createHlsJsLoaderClass=function(t,e){function s(){this.impl=new t(e.segmentManager),this.stats=this.impl.stats}return s.prototype.load=function(t,e,s){this.context=t,this.impl.load(t,e,s)},s.prototype.abort=function(){this.impl.abort(this.context)},s.prototype.destroy=function(){this.context&&this.impl.abort(this.context)},s.getEngine=function(){return e},s}},{}],4:[function(t,e,s){"use strict";Object.defineProperty(s,"__esModule",{value:!0});const i=1,n=12500;s.HlsJsLoader=class{constructor(t){this.stats={},this.segmentManager=t}async load(t,e,s){if(t.type)try{const e=await this.segmentManager.loadPlaylist(t.url);this.successPlaylist(e,t,s)}catch(e){this.error(e,t,s)}else if(t.frag)try{const e=await this.segmentManager.loadSegment(t.url,null==t.rangeStart||null==t.rangeEnd?void 0:{offset:t.rangeStart,length:t.rangeEnd-t.rangeStart});void 0!==e.content&&setTimeout(()=>this.successSegment(e.content,e.downloadBandwidth,t,s),0)}catch(e){setTimeout(()=>this.error(e,t,s),0)}else console.warn("Unknown load request",t)}abort(t){this.segmentManager.abortSegment(t.url,null==t.rangeStart||null==t.rangeEnd?void 0:{offset:t.rangeStart,length:t.rangeEnd-t.rangeStart})}successPlaylist(t,e,s){const i=performance.now();this.stats.trequest=i-300,this.stats.tfirst=i-200,this.stats.tload=i,this.stats.loaded=t.response.length,s.onSuccess({url:t.responseURL,data:t.response},this.stats,e)}successSegment(t,e,s,a){const r=performance.now(),o=t.byteLength/(void 0===e||e<=0?n:e);this.stats.trequest=r-i-o,this.stats.tfirst=r-o,this.stats.tload=r,this.stats.loaded=t.byteLength,a.onSuccess({url:s.url,data:t},this.stats,s)}error(t,e,s){s.onError(t,e)}}},{}],5:[function(t,e,s){"use strict";Object.defineProperty(s,"__esModule",{value:!0});const i=t("p2p-media-loader-core"),n=t("m3u8-parser"),a={forwardSegmentCount:20,swarmId:void 0,assetsStorage:void 0};s.SegmentManager=class{constructor(t,e={}){this.masterPlaylist=null,this.variantPlaylists=new Map,this.segmentRequest=null,this.playQueue=[],this.onSegmentLoaded=t=>{this.segmentRequest&&this.segmentRequest.segmentUrl===t.url&&l(this.segmentRequest.segmentByterange)===t.range&&(this.segmentRequest.onSuccess(t.data.slice(0),t.downloadBandwidth),this.segmentRequest=null)},this.onSegmentError=(t,e)=>{this.segmentRequest&&this.segmentRequest.segmentUrl===t.url&&l(this.segmentRequest.segmentByterange)===t.range&&(this.segmentRequest.onError(e),this.segmentRequest=null)},this.onSegmentAbort=t=>{this.segmentRequest&&this.segmentRequest.segmentUrl===t.url&&l(this.segmentRequest.segmentByterange)===t.range&&(this.segmentRequest.onError("Loading aborted: internal abort"),this.segmentRequest=null)},this.settings=Object.assign(Object.assign({},a),e),this.loader=t,this.loader.on(i.Events.SegmentLoaded,this.onSegmentLoaded),this.loader.on(i.Events.SegmentError,this.onSegmentError),this.loader.on(i.Events.SegmentAbort,this.onSegmentAbort)}getSettings(){return this.settings}processPlaylist(t,e,s){const i=new n.Parser;i.push(e),i.end();const a=new r(t,s,i.manifest);if(a.manifest.playlists){this.masterPlaylist=a;for(const[t,e]of this.variantPlaylists){const{streamSwarmId:s,found:i,index:n}=this.getStreamSwarmId(e.requestUrl);i?(e.streamSwarmId=s,e.streamId="V"+n.toString()):this.variantPlaylists.delete(t)}}else{const{streamSwarmId:e,found:s,index:i}=this.getStreamSwarmId(t);(s||null===this.masterPlaylist)&&(a.streamSwarmId=e,a.streamId=null===this.masterPlaylist?void 0:"V"+i.toString(),this.variantPlaylists.set(t,a),this.updateSegments())}}async loadPlaylist(t){const e=this.settings.assetsStorage;let s;if(void 0!==e){let i;void 0===(i=this.getMasterSwarmId())&&(i=t.split("?")[0]);const n=await e.getAsset(t,void 0,i);void 0!==n?s={responseURL:n.responseUri,response:n.data}:(s=await this.loadContent(t,"text"),e.storeAsset({masterManifestUri:null!==this.masterPlaylist?this.masterPlaylist.requestUrl:t,masterSwarmId:i,requestUri:t,responseUri:s.responseURL,data:s.response}))}else s=await this.loadContent(t,"text");return this.processPlaylist(t,s.response,s.responseURL),s}async loadSegment(t,e){const s=this.getSegmentLocation(t,e),i=l(e);if(!s){let e;const s=this.settings.assetsStorage;if(void 0!==s){let n,a=null!==this.masterPlaylist?this.masterPlaylist.requestUrl:void 0;if(void 0===(n=this.getMasterSwarmId())&&1===this.variantPlaylists.size&&(n=this.variantPlaylists.values().next().value.requestUrl.split("?")[0]),void 0===a&&1===this.variantPlaylists.size&&(a=this.variantPlaylists.values().next().value.requestUrl),void 0!==n&&void 0!==a){const r=await s.getAsset(t,i,n);if(void 0!==r)e=r.data;else{const r=await this.loadContent(t,"arraybuffer",i);e=r.response,s.storeAsset({masterManifestUri:a,masterSwarmId:n,requestUri:t,requestRange:i,responseUri:r.responseURL,data:e})}}}if(void 0===e){e=(await this.loadContent(t,"arraybuffer",i)).response}return{content:e,downloadBandwidth:0}}const n=(s.playlist.manifest.mediaSequence?s.playlist.manifest.mediaSequence:0)+s.segmentIndex;if(this.playQueue.length>0){this.playQueue[this.playQueue.length-1].segmentSequence!==n-1&&(this.playQueue=[])}this.segmentRequest&&this.segmentRequest.onError("Cancel segment request: simultaneous segment requests are not supported");const a=new Promise((i,a)=>{this.segmentRequest=new o(t,e,n,s.playlist.requestUrl,(t,e)=>i({content:t,downloadBandwidth:e}),t=>a(t))});return this.playQueue.push({segmentUrl:t,segmentByterange:e,segmentSequence:n}),this.loadSegments(s.playlist,s.segmentIndex,!0),a}setPlayingSegment(t,e,s,i){const n=this.playQueue.findIndex(s=>s.segmentUrl==t&&u(s.segmentByterange,e));n>=0&&(this.playQueue=this.playQueue.slice(n),this.playQueue[0].playPosition={start:s,duration:i},this.updateSegments())}setPlayingSegmentByCurrentTime(t){if(0===this.playQueue.length||!this.playQueue[0].playPosition)return;const e=this.playQueue[0].playPosition;e.start+e.duration-t<.2&&(this.playQueue=this.playQueue.slice(1),this.updateSegments())}abortSegment(t,e){this.segmentRequest&&this.segmentRequest.segmentUrl===t&&u(this.segmentRequest.segmentByterange,e)&&(this.segmentRequest.onSuccess(void 0,0),this.segmentRequest=null)}async destroy(){this.segmentRequest&&(this.segmentRequest.onError("Loading aborted: object destroyed"),this.segmentRequest=null),this.masterPlaylist=null,this.variantPlaylists.clear(),this.playQueue=[],void 0!==this.settings.assetsStorage&&await this.settings.assetsStorage.destroy(),await this.loader.destroy()}updateSegments(){if(!this.segmentRequest)return;const t=this.getSegmentLocation(this.segmentRequest.segmentUrl,this.segmentRequest.segmentByterange);t&&this.loadSegments(t.playlist,t.segmentIndex,!1)}getSegmentLocation(t,e){for(const s of this.variantPlaylists.values()){const i=s.getSegmentIndex(t,e);if(i>=0)return{playlist:s,segmentIndex:i}}}async loadSegments(t,e,s){const i=[],n=t.manifest.segments,a=t.manifest.mediaSequence?t.manifest.mediaSequence:0;let r=null,o=Math.max(0,this.playQueue.length-1);const u=this.getMasterSwarmId();for(let g=e;g<n.length&&i.length<this.settings.forwardSegmentCount;++g){const e=t.manifest.segments[g],n=t.getSegmentAbsoluteUrl(e.uri),d=e.byterange,c=this.getSegmentId(t,a+g);i.push({id:c,url:n,masterSwarmId:void 0!==u?u:t.streamSwarmId,masterManifestUri:null!==this.masterPlaylist?this.masterPlaylist.requestUrl:t.requestUrl,streamId:t.streamId,sequence:(a+g).toString(),range:l(d),priority:o++}),s&&!r&&(r=c)}if(this.loader.load(i,t.streamSwarmId),r){const t=await this.loader.getSegment(r);t&&this.onSegmentLoaded(t)}}getSegmentId(t,e){return`${t.streamSwarmId}+${e}`}getMasterSwarmId(){const t=this.settings.swarmId&&0!==this.settings.swarmId.length?this.settings.swarmId:void 0;return void 0!==t?t:null!==this.masterPlaylist?this.masterPlaylist.requestUrl.split("?")[0]:void 0}getStreamSwarmId(t){const e=this.getMasterSwarmId();if(null!==this.masterPlaylist)for(let s=0;s<this.masterPlaylist.manifest.playlists.length;++s){if(new URL(this.masterPlaylist.manifest.playlists[s].uri,this.masterPlaylist.responseUrl).toString()===t)return{streamSwarmId:`${e}+V${s}`,found:!0,index:s}}return{streamSwarmId:void 0!==e?e:t.split("?")[0],found:!1,index:-1}}async loadContent(t,e,s){return new Promise((i,n)=>{const a=new XMLHttpRequest;a.open("GET",t,!0),a.responseType=e,s&&a.setRequestHeader("Range",s),a.addEventListener("readystatechange",()=>{4===a.readyState&&(a.status>=200&&a.status<300?i(a):n(a.statusText))});const r=this.loader.getSettings().xhrSetup;r&&r(a,t),a.send()})}};class r{constructor(t,e,s){this.requestUrl=t,this.responseUrl=e,this.manifest=s,this.streamSwarmId=""}getSegmentIndex(t,e){for(let s=0;s<this.manifest.segments.length;++s){const i=this.manifest.segments[s];if(t===this.getSegmentAbsoluteUrl(i.uri)&&u(i.byterange,e))return s}return-1}getSegmentAbsoluteUrl(t){return new URL(t,this.responseUrl).toString()}}class o{constructor(t,e,s,i,n,a){this.segmentUrl=t,this.segmentByterange=e,this.segmentSequence=s,this.playlistRequestUrl=i,this.onSuccess=n,this.onError=a}}function u(t,e){return void 0===t?void 0===e:void 0!==e&&t.length===e.length&&t.offset===e.offset}function l(t){if(void 0===t)return;const e=t.offset+t.length-1;return`bytes=${t.offset}-${e}`}},{"m3u8-parser":7,"p2p-media-loader-core":"p2p-media-loader-core"}],6:[function(t,e,s){(function(t){var s;s="undefined"!=typeof window?window:void 0!==t?t:"undefined"!=typeof self?self:{},e.exports=s}).call(this,"undefined"!=typeof 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i(t){for(var e in t)s.hasOwnProperty(e)||(s[e]=t[e])}function n(t){t&&t.config&&t.config.loader&&"function"==typeof t.config.loader.getEngine&&a(t,t.config.loader.getEngine())}function a(t,e){t.on("hlsFragChanged",(t,s)=>{const i=s.frag,n=2!==i.byteRange.length?void 0:{offset:i.byteRange[0],length:i.byteRange[1]-i.byteRange[0]};e.setPlayingSegment(i.url,n,i.start,i.duration)}),t.on("hlsDestroying",async()=>{await e.destroy()}),t.on("hlsError",(s,i)=>{if("bufferStalledError"===i.details){const s=void 0===t.media?t.el_:t.media;if(void 0===s)return;e.setPlayingSegmentByCurrentTime(s.currentTime)}})}Object.defineProperty(s,"__esModule",{value:!0}),s.version="0.6.2",i(t("./engine")),i(t("./segment-manager")),s.initHlsJsPlayer=n,s.initClapprPlayer=function(t){t.on("play",()=>{const e=t.core.getCurrentPlayback();e._hls&&!e._hls._p2pm_linitialized&&(e._hls._p2pm_linitialized=!0,n(t.core.getCurrentPlayback()._hls))})},s.initFlowplayerHlsJsPlayer=function(t){t.on("ready",()=>n(t.engine.hlsjs?t.engine.hlsjs:t.engine.hls))},s.initVideoJsContribHlsJsPlayer=function(t){t.ready(()=>{const e=t.tech_.options_;e&&e.hlsjsConfig&&e.hlsjsConfig.loader&&"function"==typeof e.hlsjsConfig.loader.getEngine&&a(t.tech_,e.hlsjsConfig.loader.getEngine())})},s.initVideoJsHlsJsPlugin=function(){null!=videojs&&null!=videojs.Html5Hlsjs&&videojs.Html5Hlsjs.addHook("beforeinitialize",(t,e)=>{e.config&&e.config.loader&&"function"==typeof e.config.loader.getEngine&&a(e,e.config.loader.getEngine())})},s.initMediaElementJsPlayer=function(t){t.addEventListener("hlsFragChanged",e=>{const s=t.hlsPlayer;if(s&&s.config&&s.config.loader&&"function"==typeof s.config.loader.getEngine){const t=s.config.loader.getEngine();if(e.data&&e.data.length>1){const s=e.data[1].frag,i=2!==s.byteRange.length?void 0:{offset:s.byteRange[0],length:s.byteRange[1]-s.byteRange[0]};t.setPlayingSegment(s.url,i,s.start,s.duration)}}}),t.addEventListener("hlsDestroying",async()=>{const e=t.hlsPlayer;if(e&&e.config&&e.config.loader&&"function"==typeof e.config.loader.getEngine){const t=e.config.loader.getEngine();await t.destroy()}}),t.addEventListener("hlsError",e=>{const s=t.hlsPlayer;if(s&&s.config&&s.config.loader&&"function"==typeof s.config.loader.getEngine&&void 0!==e.data&&"bufferStalledError"===e.data.details){s.config.loader.getEngine().setPlayingSegmentByCurrentTime(s.media.currentTime)}})},s.initJwPlayer=function(t,e){const s=setInterval(()=>{t.hls&&t.hls.config&&(clearInterval(s),Object.assign(t.hls.config,e),n(t.hls))},200)}},{"./engine":2,"./segment-manager":5}]},{},[1]);