Module 338659

function(e,t,n){"use strict";n.d(t,{s:()=>l}),n(321073);var r=n(265486);let i=1.5,s=5,a=1,o=1e3;class l{videoElement;updateInterval=null;updateCallback=null;recentFrameRates=[];lastCurrentTime=0;baselineFrames=0;baselineTime=0;lockedFrameRate=null;lastKnownFrameRate=null;cachedCodecInfo=null;codecInfoPromise=null;codecInfoFetchId=0;fileSizeBytes=null;constructor(e,t){this.videoElement=e,this.fileSizeBytes=t??null,this.fetchCodecInfo()}async fetchCodecInfo(){let e=""!==this.videoElement.src?this.videoElement.src:this.videoElement.currentSrc;if(null==e||""===e||null!=this.codecInfoPromise)return;let t=this.codecInfoFetchId;this.codecInfoPromise=(0,r.K)(e);let n=await this.codecInfoPromise;this.codecInfoFetchId===t&&(this.cachedCodecInfo=n)}resetCodecInfo(e){this.codecInfoFetchId++,this.cachedCodecInfo=null,this.codecInfoPromise=null,this.fileSizeBytes=e??null,this.recentFrameRates=[],this.lastCurrentTime=0,this.baselineFrames=0,this.baselineTime=0,this.lockedFrameRate=null,this.lastKnownFrameRate=null,this.fetchCodecInfo()}getStats(){let e,t,n,r=this.videoElement;this.cachedCodecInfo?.videoWidth!=null&&this.cachedCodecInfo?.videoHeight!=null?(e=this.cachedCodecInfo.videoWidth,t=this.cachedCodecInfo.videoHeight,n=`${e}x${t}`):(e=0!==r.videoWidth?r.videoWidth:0,t=0!==r.videoHeight?r.videoHeight:0,n=e>0&&t>0?`${e}x${t}`:"Unknown");let o=Math.round(r.clientWidth),l=Math.round(r.clientHeight),u=[],c=0,d=r.currentTime;for(let e=0;e<r.buffered.length;e++){let t=r.buffered.start(e),n=r.buffered.end(e);u.push({start:t,end:n}),n>d&&(t<=d?c+=n-d:c+=n-t)}let _=0,f=0,p=0,h=null;if("function"==typeof r.getVideoPlaybackQuality){let e=r.getVideoPlaybackQuality();_=e.droppedVideoFrames,p=(f=e.totalVideoFrames)>0?_/f*100:0}if(this.cachedCodecInfo?.frameRate!=null)h=this.cachedCodecInfo.frameRate;else if("function"==typeof r.getVideoPlaybackQuality){if(null!==this.lockedFrameRate)h=this.lockedFrameRate;else if(Math.abs(r.currentTime-this.lastCurrentTime)>i&&this.lastCurrentTime>0)if(this.recentFrameRates.length>=3){let e=this.recentFrameRates.reduce((e,t)=>e+t,0)/this.recentFrameRates.length;this.lockedFrameRate=Math.round(e),h=this.lockedFrameRate,this.lastKnownFrameRate=this.lockedFrameRate}else this.baselineFrames=f,this.baselineTime=r.currentTime,this.recentFrameRates=[],h=this.lastKnownFrameRate;else{let e=f-this.baselineFrames,t=r.currentTime-this.baselineTime;if(t>=a&&e>0){let n=e/t;this.recentFrameRates.push(n),this.recentFrameRates.length>s&&this.recentFrameRates.shift(),h=Math.round(this.recentFrameRates.reduce((e,t)=>e+t,0)/this.recentFrameRates.length),this.lastKnownFrameRate=h}else null!==this.lastKnownFrameRate&&(h=this.lastKnownFrameRate)}this.lastCurrentTime=r.currentTime}let m=r.error?.code??null,E=r.error?.message??null;return null==this.codecInfoPromise&&this.fetchCodecInfo(),{resolution:n,videoWidth:e,videoHeight:t,viewportWidth:o,viewportHeight:l,currentTime:r.currentTime,duration:r.duration,bufferedRanges:u,bufferedSeconds:c,droppedFrames:_,totalFrames:f,droppedFramesPercent:p,frameRate:h,src:r.src,fileSizeBytes:this.fileSizeBytes,codecInfo:this.cachedCodecInfo,errorCode:m,errorMessage:E}}startTracking(e){this.stopTracking(),this.updateCallback=e,this.updateInterval=window.setInterval(()=>{null!=this.updateCallback&&this.updateCallback(this.getStats())},o)}stopTracking(){null!==this.updateInterval&&(window.clearInterval(this.updateInterval),this.updateInterval=null),this.updateCallback=null}destroy(){this.stopTracking()}}}