Module 974916

function(l,t,d){d.d(t,{t:()=>e});var i=d(693160),e=class{constructor(l,t){this.hasFrame=!1,this.disposed=!1,this.eventTarget=new EventTarget,this.video=document.createElement("video"),this.video.srcObject=l,this.video.autoplay=!0,this.video.playsInline=!0,this.video.muted=!0;const d=l.getVideoTracks()[0]?.getSettings(),i=t?.width??d?.width??1280,e=t?.height??d?.height??720;this.canvas=document.createElement("canvas"),this.canvas.width=i,this.canvas.height=e,this.ctx=this.canvas.getContext("2d",{willReadFrequently:!0});const c=t?.fps??10,a=c>0?Math.max(16,Math.floor(1e3/c)):0;this.video.addEventListener("loadedmetadata",()=>{this.video.videoWidth>0&&this.video.videoHeight>0&&(this.canvas.width=this.video.videoWidth,this.canvas.height=this.video.videoHeight)});try{this.video.play()}catch{}this.rafLoop(a)}addEventListener(l,t,d){this.eventTarget.addEventListener(l,t,d)}removeEventListener(l,t,d){this.eventTarget.removeEventListener(l,t,d)}getLatestCanvas(){return(this.hasFrame||this.tick(),this.hasFrame)?new i.t(this.canvas):null}getLatestFrame(){if(!this.ctx||(this.hasFrame||this.tick(),!this.hasFrame))return null;try{return this.ctx.getImageData(0,0,this.canvas.width,this.canvas.height)}catch{return null}}dispose(){this.disposed||(this.disposed=!0,void 0!==this.rafId&&(window.cancelAnimationFrame(this.rafId),this.rafId=void 0),this.video.srcObject=null,this.canvas.width=0,this.canvas.height=0,this.hasFrame=!1)}rafLoop(l){let t=d=>{if(!this.disposed){if(l<=0||void 0===this.lastTickTimeMs||d-this.lastTickTimeMs>=l){this.lastTickTimeMs=d;let l=this.lastFrameTimeSeconds;this.tick();let t=this.video.currentTime;void 0===l?this.hasFrame&&(this.lastFrameTimeSeconds=t,this.eventTarget.dispatchEvent(new Event("frame"))):this.hasFrame&&t!==l&&(this.lastFrameTimeSeconds=t,this.eventTarget.dispatchEvent(new Event("frame")))}this.rafId=window.requestAnimationFrame(t)}};this.rafId=window.requestAnimationFrame(t)}tick(){if(!this.ctx||this.video.readyState<HTMLMediaElement.HAVE_CURRENT_DATA)return;let l=this.video.videoWidth,t=this.video.videoHeight;if(0!==l&&0!==t){(this.canvas.width!==l||this.canvas.height!==t)&&(this.canvas.width=l,this.canvas.height=t);try{this.ctx.drawImage(this.video,0,0),this.hasFrame=!0}catch{this.hasFrame=!1}}}}}