webgl_video_processor/nodeplayer/NodePlayer-only264.min.js

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i=0;i<JSEvents.eventHandlers.length;++i){if(JSEvents.eventHandlers[i].target==eventHandler.target&&JSEvents.eventHandlers[i].eventTypeString==eventHandler.eventTypeString){JSEvents._removeHandler(i--)}}}},getNodeNameForTarget:function(target){if(!target)return"";if(target==window)return"#window";if(target==screen)return"#screen";return target&&target.nodeName?target.nodeName:""},fullscreenEnabled:function(){return document.fullscreenEnabled||document.webkitFullscreenEnabled}};function maybeCStringToJsString(cString){return cString>2?UTF8ToString(cString):cString}var specialHTMLTargets=[0,typeof document!="undefined"?document:0,typeof window!="undefined"?window:0];function findEventTarget(target){target=maybeCStringToJsString(target);var domElement=specialHTMLTargets[target]||(typeof document!="undefined"?document.querySelector(target):undefined);return domElement}function findCanvasEventTarget(target){return findEventTarget(target)}function _emscripten_get_canvas_element_size(target,width,height){var canvas=findCanvasEventTarget(target);if(!canvas)return-4;HEAP32[width>>2]=canvas.width;HEAP32[height>>2]=canvas.height}function getBoundingClientRect(e){return specialHTMLTargets.indexOf(e)<0?e.getBoundingClientRect():{"left":0,"top":0}}function _emscripten_get_element_css_size(target,width,height){target=findEventTarget(target);if(!target)return-4;var rect=getBoundingClientRect(target);HEAPF64[width>>3]=rect.width;HEAPF64[height>>3]=rect.height;return 0}function getHeapMax(){return 2147483648}function _emscripten_get_heap_max(){return getHeapMax()}function _emscripten_memcpy_big(dest,src,num){HEAPU8.copyWithin(dest,src,src+num)}function emscripten_realloc_buffer(size){try{wasmMemory.grow(size-buffer.byteLength+65535>>>16);updateGlobalBufferAndViews(wasmMemory.buffer);return 1}catch(e){}}function _emscripten_resize_heap(requestedSize){var oldSize=HEAPU8.length;requestedSize=requestedSize>>>0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}let alignUp=(x,multiple)=>x+(multiple-x%multiple)%multiple;for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignUp(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=emscripten_realloc_buffer(newSize);if(replacement){return true}}return false}function _emscripten_set_canvas_element_size(target,width,height){var canvas=findCanvasEventTarget(target);if(!canvas)return-4;canvas.width=width;canvas.height=height;return 0}function _emscripten_set_element_css_size(target,width,height){target=findEventTarget(target);if(!target)return-4;target.style.width=width+"px";target.style.height=height+"px";return 0}function callUserCallback(func,synchronous){if(ABORT){return}if(synchronous){func();return}try{func()}catch(e){handleException(e)}}function _emscripten_set_interval(cb,msecs,userData){return setInterval(function(){callUserCallback(function(){(function(a1){dynCall_vi.apply(null,[cb,a1])})(userData)})},msecs)}function registerKeyEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.keyEvent)JSEvents.keyEvent=_malloc(176);var keyEventHandlerFunc=function(e){var keyEventData=JSEvents.keyEvent;HEAPF64[keyEventData>>3]=e.timeStamp;var idx=keyEventData>>2;HEAP32[idx+2]=e.location;HEAP32[idx+3]=e.ctrlKey;HEAP32[idx+4]=e.shiftKey;HEAP32[idx+5]=e.altKey;HEAP32[idx+6]=e.metaKey;HEAP32[idx+7]=e.repeat;HEAP32[idx+8]=e.charCode;HEAP32[idx+9]=e.keyCode;HEAP32[idx+10]=e.which;stringToUTF8(e.key||"",keyEventData+44,32);stringToUTF8(e.code||"",keyEventData+76,32);stringToUTF8(e.char||"",keyEventData+108,32);stringToUTF8(e.locale||"",keyEventData+140,32);if(function(a1,a2,a3){return dynCall_iiii.apply(null,[callbackfunc,a1,a2,a3])}(eventTypeId,keyEventData,userData))e.preventDefault()};var eventHandler={target:findEventTarget(target),allowsDeferredCalls:true,eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:keyEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_keydown_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerKeyEventCallback(target,userData,useCapture,callbackfunc,2,"keydown",targetThread);return 0}function fillMouseEventData(eventStruct,e,target){HEAPF64[eventStruct>>3]=e.timeStamp;var idx=eventStruct>>2;HEAP32[idx+2]=e.screenX;HEAP32[idx+3]=e.screenY;HEAP32[idx+4]=e.clientX;HEAP32[idx+5]=e.clientY;HEAP32[idx+6]=e.ctrlKey;HEAP32[idx+7]=e.shiftKey;HEAP32[idx+8]=e.altKey;HEAP32[idx+9]=e.metaKey;HEAP16[idx*2+20]=e.button;HEAP16[idx*2+21]=e.buttons;HEAP32[idx+11]=e["movementX"];HEAP32[idx+12]=e["movementY"];var rect=getBoundingClientRect(target);HEAP32[idx+13]=e.clientX-rect.left;HEAP32[idx+14]=e.clientY-rect.top}function registerMouseEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.mouseEvent)JSEvents.mouseEvent=_malloc(72);target=findEventTarget(target);var mouseEventHandlerFunc=function(ev){var e=ev||event;fillMouseEventData(JSEvents.mouseEvent,e,target);if(function(a1,a2,a3){return dynCall_iiii.apply(null,[callbackfunc,a1,a2,a3])}(eventTypeId,JSEvents.mouseEvent,userData))e.preventDefault()};var eventHandler={target:target,allowsDeferredCalls:eventTypeString!="mousemove"&&eventTypeString!="mouseenter"&&eventTypeString!="mouseleave",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:mouseEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_mousedown_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerMouseEventCallback(target,userData,useCapture,callbackfunc,5,"mousedown",targetThread);return 0}function registerTouchEventCallback(target,userData,useCapture,callbackfunc,eventTypeId,eventTypeString,targetThread){if(!JSEvents.touchEvent)JSEvents.touchEvent=_malloc(1696);target=findEventTarget(target);var touchEventHandlerFunc=function(e){var t,touches={},et=e.touches;for(var i=0;i<et.length;++i){t=et[i];t.isChanged=t.onTarget=0;touches[t.identifier]=t}for(var i=0;i<e.changedTouches.length;++i){t=e.changedTouches[i];t.isChanged=1;touches[t.identifier]=t}for(var i=0;i<e.targetTouches.length;++i){touches[e.targetTouches[i].identifier].onTarget=1}var touchEvent=JSEvents.touchEvent;HEAPF64[touchEvent>>3]=e.timeStamp;var idx=touchEvent>>2;HEAP32[idx+3]=e.ctrlKey;HEAP32[idx+4]=e.shiftKey;HEAP32[idx+5]=e.altKey;HEAP32[idx+6]=e.metaKey;idx+=7;var targetRect=getBoundingClientRect(target);var numTouches=0;for(var i in touches){t=touches[i];HEAP32[idx+0]=t.identifier;HEAP32[idx+1]=t.screenX;HEAP32[idx+2]=t.screenY;HEAP32[idx+3]=t.clientX;HEAP32[idx+4]=t.clientY;HEAP32[idx+5]=t.pageX;HEAP32[idx+6]=t.pageY;HEAP32[idx+7]=t.isChanged;HEAP32[idx+8]=t.onTarget;HEAP32[idx+9]=t.clientX-targetRect.left;HEAP32[idx+10]=t.clientY-targetRect.top;idx+=13;if(++numTouches>31){break}}HEAP32[touchEvent+8>>2]=numTouches;if(function(a1,a2,a3){return dynCall_iiii.apply(null,[callbackfunc,a1,a2,a3])}(eventTypeId,touchEvent,userData))e.preventDefault()};var eventHandler={target:target,allowsDeferredCalls:eventTypeString=="touchstart"||eventTypeString=="touchend",eventTypeString:eventTypeString,callbackfunc:callbackfunc,handlerFunc:touchEventHandlerFunc,useCapture:useCapture};JSEvents.registerOrRemoveHandler(eventHandler)}function _emscripten_set_touchstart_callback_on_thread(target,userData,useCapture,callbackfunc,targetThread){registerTouchEventCallback(target,userData,useCapture,callbackfunc,22,"touchstart",targetThread);return 0}function __webgl_enable_ANGLE_instanced_arrays(ctx){var ext=ctx.getExtension("ANGLE_instanced_arrays");if(ext){ctx["vertexAttribDivisor"]=function(index,divisor){ext["vertexAttribDivisorANGLE"](index,divisor)};ctx["drawArraysInstanced"]=function(mode,first,count,primcount){ext["drawArraysInstancedANGLE"](mode,first,count,primcount)};ctx["drawElementsInstanced"]=function(mode,count,type,indices,primcount){ext["drawElementsInstancedANGLE"](mode,count,type,indices,primcount)};return 1}}function __webgl_enable_OES_vertex_array_object(ctx){var ext=ctx.getExtension("OES_vertex_array_object");if(ext){ctx["createVertexArray"]=function(){return ext["createVertexArrayOES"]()};ctx["deleteVertexArray"]=function(vao){ext["deleteVertexArrayOES"](vao)};ctx["bindVertexArray"]=function(vao){ext["bindVertexArrayOES"](vao)};ctx["isVertexArray"]=function(vao){return ext["isVertexArrayOES"](vao)};return 1}}function __webgl_enable_WEBGL_draw_buffers(ctx){var ext=ctx.getExtension("WEBGL_draw_buffers");if(ext){ctx["drawBuffers"]=function(n,bufs){ext["drawBuffersWEBGL"](n,bufs)};return 1}}function __webgl_enable_WEBGL_multi_draw(ctx){return!!(ctx.multiDrawWebgl=ctx.getExtension("WEBGL_multi_draw"))}var GL={counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],stringCache:{},unpackAlignment:4,recordError:function recordError(errorCode){if(!GL.lastError){GL.lastError=errorCode}},getNewId:function(table){var ret=GL.counter++;for(var i=table.length;i<ret;i++){table[i]=null}return ret},getSource:function(shader,count,string,length){var source="";for(var i=0;i<count;++i){var len=length?HEAP32[length+i*4>>2]:-1;source+=UTF8ToString(HEAP32[string+i*4>>2],len<0?undefined:len)}return source},createContext:function(canvas,webGLContextAttributes){if(!canvas.getContextSafariWebGL2Fixed){canvas.getContextSafariWebGL2Fixed=canvas.getContext;function fixedGetContext(ver,attrs){var gl=canvas.getContextSafariWebGL2Fixed(ver,attrs);return ver=="webgl"==gl instanceof WebGLRenderingContext?gl:null}canvas.getContext=fixedGetContext}var ctx=canvas.getContext("webgl",webGLContextAttributes);if(!ctx)return 0;var handle=GL.registerContext(ctx,webGLContextAttributes);return handle},registerContext:function(ctx,webGLContextAttributes){var handle=GL.getNewId(GL.contexts);var context={handle:handle,attributes:webGLContextAttributes,version:webGLContextAttributes.majorVersion,GLctx:ctx};if(ctx.canvas)ctx.canvas.GLctxObject=context;GL.contexts[handle]=context;if(typeof webGLContextAttributes.enableExtensionsByDefault=="undefined"||webGLContextAttributes.enableExtensionsByDefault){GL.initExtensions(context)}return handle},makeContextCurrent:function(contextHandle){GL.currentContext=GL.contexts[contextHandle];Module.ctx=GLctx=GL.currentContext&&GL.currentContext.GLctx;return!(contextHandle&&!GLctx)},getContext:function(contextHandle){return GL.contexts[contextHandle]},deleteContext:function(contextHandle){if(GL.currentContext===GL.contexts[contextHandle])GL.currentContext=null;if(typeof JSEvents=="object")JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);if(GL.contexts[contextHandle]&&GL.contexts[contextHandle].GLctx.canvas)GL.contexts[contextHandle].GLctx.canvas.GLctxObject=undefined;GL.contexts[contextHandle]=null},initExtensions:function(context){if(!context)context=GL.currentContext;if(context.initExtensionsDone)return;context.initExtensionsDone=true;var GLctx=context.GLctx;__webgl_enable_ANGLE_instanced_arrays(GLctx);__webgl_enable_OES_vertex_array_object(GLctx);__webgl_enable_WEBGL_draw_buffers(GLctx);{GLctx.disjointTimerQueryExt=GLctx.getExtension("EXT_disjoint_timer_query")}__webgl_enable_WEBGL_multi_draw(GLctx);var exts=GLctx.getSupportedExtensions()||[];exts.forEach(function(ext){if(!ext.includes("lose_context")&&!ext.includes("debug")){GLctx.getExtension(ext)}})}};var __emscripten_webgl_power_preferences=["default","low-power","high-performance"];function _emscripten_webgl_do_create_context(target,attributes){var a=attributes>>2;var powerPreference=HEAP32[a+(24>>2)];var contextAttributes={"alpha":!!HEAP32[a+(0>>2)],"depth":!!HEAP32[a+(4>>2)],"stencil":!!HEAP32[a+(8>>2)],"antialias":!!HEAP32[a+(12>>2)],"premultipliedAlpha":!!HEAP32[a+(16>>2)],"preserveDrawingBuffer":!!HEAP32[a+(20>>2)],"powerPreference":__emscripten_webgl_power_preferences[powerPreference],"failIfMajorPerformanceCaveat":!!HEAP32[a+(28>>2)],majorVersion:HEAP32[a+(32>>2)],minorVersion:HEAP32[a+(36>>2)],enableExtensionsByDefault:HEAP32[a+(40>>2)],explicitSwapControl:HEAP32[a+(44>>2)],proxyContextToMainThread:HEAP32[a+(48>>2)],renderViaOffscreenBackBuffer:HEAP32[a+(52>>2)]};var canvas=findCanvasEventTarget(target);if(!canvas){return 0}if(contextAttributes.explicitSwapControl){return 0}var contextHandle=GL.createContext(canvas,contextAttributes);return contextHandle}function _emscripten_webgl_create_context(a0,a1){return _emscripten_webgl_do_create_context(a0,a1)}function _emscripten_webgl_destroy_context(contextHandle){if(GL.currentContext==contextHandle)GL.currentContext=0;GL.deleteContext(contextHandle)}function _emscripten_webgl_init_context_attributes(attributes){var a=attributes>>2;for(var i=0;i<56>>2;++i){HEAP32[a+i]=0}HEAP32[a+(0>>2)]=HEAP32[a+(4>>2)]=HEAP32[a+(12>>2)]=HEAP32[a+(16>>2)]=HEAP32[a+(32>>2)]=HEAP32[a+(40>>2)]=1}function _emscripten_webgl_make_context_current(contextHandle){var success=GL.makeContextCurrent(contextHandle);return success?0:-5}var ENV={};function getExecutableName(){return thisProgram||"./this.program"}function getEnvStrings(){if(!getEnvStrings.strings){var lang=(typeof navigator=="object"&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8";var env={"USER":"web_user","LOGNAME":"web_user","PATH":"/","PWD":"/","HOME":"/home/web_user","LANG":lang,"_":getExecutableName()};for(var x in ENV){if(ENV[x]===undefined)delete env[x];else env[x]=ENV[x]}var strings=[];for(var x in env){strings.push(x+"="+env[x])}getEnvStrings.strings=strings}return getEnvStrings.strings}function _environ_get(__environ,environ_buf){var bufSize=0;getEnvStrings().forEach(function(string,i){var ptr=environ_buf+bufSize;HEAPU32[__environ+i*4>>2]=ptr;writeAsciiToMemory(string,ptr);bufSize+=string.length+1});return 0}function _environ_sizes_get(penviron_count,penviron_buf_size){var strings=getEnvStrings();HEAPU32[penviron_count>>2]=strings.length;var bufSize=0;strings.forEach(function(string){bufSize+=string.length+1});HEAPU32[penviron_buf_size>>2]=bufSize;return 0}function _fd_close(fd){return 52}function _fd_fdstat_get(fd,pbuf){var type=fd==1||fd==2?2:abort();HEAP8[pbuf>>0]=type;return 0}function _fd_read(fd,iov,iovcnt,pnum){return 52}function _fd_seek(fd,offset_low,offset_high,whence,newOffset){return 70}var printCharBuffers=[null,[],[]];function printChar(stream,curr){var buffer=printCharBuffers[stream];if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}}function _fd_write(fd,iov,iovcnt,pnum){var num=0;for(var i=0;i<iovcnt;i++){var ptr=HEAPU32[iov>>2];var len=HEAPU32[iov+4>>2];iov+=8;for(var j=0;j<len;j++){printChar(fd,HEAPU8[ptr+j])}num+=len}HEAPU32[pnum>>2]=num;return 0}function _glActiveTexture(x0){GLctx["activeTexture"](x0)}function _glAttachShader(program,shader){GLctx.attachShader(GL.programs[program],GL.shaders[shader])}function _glBindBuffer(target,buffer){GLctx.bindBuffer(target,GL.buffers[buffer])}function _glBindTexture(target,texture){GLctx.bindTexture(target,GL.textures[texture])}function _glBufferData(target,size,data,usage){GLctx.bufferData(target,data?HEAPU8.subarray(data,data+size):size,usage)}function _glClear(x0){GLctx["clear"](x0)}function _glClearColor(x0,x1,x2,x3){GLctx["clearColor"](x0,x1,x2,x3)}function _glCompileShader(shader){GLctx.compileShader(GL.shaders[shader])}function _glCreateProgram(){var id=GL.getNewId(GL.programs);var program=GLctx.createProgram();program.name=id;program.maxUniformLength=program.maxAttributeLength=program.maxUniformBlockNameLength=0;program.uniformIdCounter=1;GL.programs[id]=program;return id}function _glCreateShader(shaderType){var id=GL.getNewId(GL.shaders);GL.shaders[id]=GLctx.createShader(shaderType);return id}function _glDeleteProgram(id){if(!id)return;var program=GL.programs[id];if(!program){GL.recordError(1281);return}GLctx.deleteProgram(program);program.name=0;GL.programs[id]=null}function _glDeleteShader(id){if(!id)return;var shader=GL.shaders[id];if(!shader){GL.recordError(1281);return}GLctx.deleteShader(shader);GL.shaders[id]=null}function _glDeleteTextures(n,textures){for(var i=0;i<n;i++){var id=HEAP32[textures+i*4>>2];var texture=GL.textures[id];if(!texture)continue;GLctx.deleteTexture(texture);texture.name=0;GL.textures[id]=null}}function _glDrawArrays(mode,first,count){GLctx.drawArrays(mode,first,count)}function _glEnableVertexAttribArray(index){GLctx.enableVertexAttribArray(index)}function __glGenObject(n,buffers,createFunction,objectTable){for(var i=0;i<n;i++){var buffer=GLctx[createFunction]();var id=buffer&&GL.getNewId(objectTable);if(buffer){buffer.name=id;objectTable[id]=buffer}else{GL.recordError(1282)}HEAP32[buffers+i*4>>2]=id}}function _glGenBuffers(n,buffers){__glGenObject(n,buffers,"createBuffer",GL.buffers)}function _glGenTextures(n,textures){__glGenObject(n,textures,"createTexture",GL.textures)}function _glGetAttribLocation(program,name){return GLctx.getAttribLocation(GL.programs[program],UTF8ToString(name))}function _glGetError(){var error=GLctx.getError()||GL.lastError;GL.lastError=0;return error}function _glGetProgramInfoLog(program,maxLength,length,infoLog){var log=GLctx.getProgramInfoLog(GL.programs[program]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _glGetProgramiv(program,pname,p){if(!p){GL.recordError(1281);return}if(program>=GL.counter){GL.recordError(1281);return}program=GL.programs[program];if(pname==35716){var log=GLctx.getProgramInfoLog(program);if(log===null)log="(unknown error)";HEAP32[p>>2]=log.length+1}else if(pname==35719){if(!program.maxUniformLength){for(var i=0;i<GLctx.getProgramParameter(program,35718);++i){program.maxUniformLength=Math.max(program.maxUniformLength,GLctx.getActiveUniform(program,i).name.length+1)}}HEAP32[p>>2]=program.maxUniformLength}else if(pname==35722){if(!program.maxAttributeLength){for(var i=0;i<GLctx.getProgramParameter(program,35721);++i){program.maxAttributeLength=Math.max(program.maxAttributeLength,GLctx.getActiveAttrib(program,i).name.length+1)}}HEAP32[p>>2]=program.maxAttributeLength}else if(pname==35381){if(!program.maxUniformBlockNameLength){for(var i=0;i<GLctx.getProgramParameter(program,35382);++i){program.maxUniformBlockNameLength=Math.max(program.maxUniformBlockNameLength,GLctx.getActiveUniformBlockName(program,i).length+1)}}HEAP32[p>>2]=program.maxUniformBlockNameLength}else{HEAP32[p>>2]=GLctx.getProgramParameter(program,pname)}}function _glGetShaderInfoLog(shader,maxLength,length,infoLog){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var numBytesWrittenExclNull=maxLength>0&&infoLog?stringToUTF8(log,infoLog,maxLength):0;if(length)HEAP32[length>>2]=numBytesWrittenExclNull}function _glGetShaderiv(shader,pname,p){if(!p){GL.recordError(1281);return}if(pname==35716){var log=GLctx.getShaderInfoLog(GL.shaders[shader]);if(log===null)log="(unknown error)";var logLength=log?log.length+1:0;HEAP32[p>>2]=logLength}else if(pname==35720){var source=GLctx.getShaderSource(GL.shaders[shader]);var sourceLength=source?source.length+1:0;HEAP32[p>>2]=sourceLength}else{HEAP32[p>>2]=GLctx.getShaderParameter(GL.shaders[shader],pname)}}function jstoi_q(str){return parseInt(str)}function webglGetLeftBracePos(name){return name.slice(-1)=="]"&&name.lastIndexOf("[")}function webglPrepareUniformLocationsBeforeFirstUse(program){var uniformLocsById=program.uniformLocsById,uniformSizeAndIdsByName=program.uniformSizeAndIdsByName,i,j;if(!uniformLocsById){program.uniformLocsById=uniformLocsById={};program.uniformArrayNamesById={};for(i=0;i<GLctx.getProgramParameter(program,35718);++i){var u=GLctx.getActiveUniform(program,i);var nm=u.name;var sz=u.size;var lb=webglGetLeftBracePos(nm);var arrayName=lb>0?nm.slice(0,lb):nm;var id=program.uniformIdCounter;program.uniformIdCounter+=sz;uniformSizeAndIdsByName[arrayName]=[sz,id];for(j=0;j<sz;++j){uniformLocsById[id]=j;program.uniformArrayNamesById[id++]=arrayName}}}}function _glGetUniformLocation(program,name){name=UTF8ToString(name);if(program=GL.programs[program]){webglPrepareUniformLocationsBeforeFirstUse(program);var uniformLocsById=program.uniformLocsById;var arrayIndex=0;var uniformBaseName=name;var leftBrace=webglGetLeftBracePos(name);if(leftBrace>0){arrayIndex=jstoi_q(name.slice(leftBrace+1))>>>0;uniformBaseName=name.slice(0,leftBrace)}var sizeAndId=program.uniformSizeAndIdsByName[uniformBaseName];if(sizeAndId&&arrayIndex<sizeAndId[0]){arrayIndex+=sizeAndId[1];if(uniformLocsById[arrayIndex]=uniformLocsById[arrayIndex]||GLctx.getUniformLocation(program,name)){return arrayIndex}}}else{GL.recordError(1281)}return-1}function _glLinkProgram(program){program=GL.programs[program];GLctx.linkProgram(program);program.uniformLocsById=0;program.uniformSizeAndIdsByName={}}function _glPixelStorei(pname,param){if(pname==3317){GL.unpackAlignment=param}GLctx.pixelStorei(pname,param)}function _glShaderSource(shader,count,string,length){var source=GL.getSource(shader,count,string,length);GLctx.shaderSource(GL.shaders[shader],source)}function computeUnpackAlignedImageSize(width,height,sizePerPixel,alignment){function roundedToNextMultipleOf(x,y){return x+y-1&-y}var plainRowSize=width*sizePerPixel;var alignedRowSize=roundedToNextMultipleOf(plainRowSize,alignment);return height*alignedRowSize}function __colorChannelsInGlTextureFormat(format){var colorChannels={5:3,6:4,8:2,29502:3,29504:4};return colorChannels[format-6402]||1}function heapObjectForWebGLType(type){type-=5120;if(type==1)return HEAPU8;if(type==4)return HEAP32;if(type==6)return HEAPF32;if(type==5||type==28922)return HEAPU32;return HEAPU16}function heapAccessShiftForWebGLHeap(heap){return 31-Math.clz32(heap.BYTES_PER_ELEMENT)}function emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat){var heap=heapObjectForWebGLType(type);var shift=heapAccessShiftForWebGLHeap(heap);var byteSize=1<<shift;var sizePerPixel=__colorChannelsInGlTextureFormat(format)*byteSize;var bytes=computeUnpackAlignedImageSize(width,height,sizePerPixel,GL.unpackAlignment);return heap.subarray(pixels>>shift,pixels+bytes>>shift)}function _glTexImage2D(target,level,internalFormat,width,height,border,format,type,pixels){GLctx.texImage2D(target,level,internalFormat,width,height,border,format,type,pixels?emscriptenWebGLGetTexPixelData(type,format,width,height,pixels,internalFormat):null)}function _glTexParameterf(x0,x1,x2){GLctx["texParameterf"](x0,x1,x2)}function webglGetUniformLocation(location){var p=GLctx.currentProgram;if(p){var webglLoc=p.uniformLocsById[location];if(typeof webglLoc=="number"){p.uniformLocsById[location]=webglLoc=GLctx.getUniformLocation(p,p.uniformArrayNamesById[location]+(webglLoc>0?"["+webglLoc+"]":""))}return webglLoc}else{GL.recordError(1282)}}function _glUniform1i(location,v0){GLctx.uniform1i(webglGetUniformLocation(location),v0)}function _glUseProgram(program){program=GL.programs[program];GLctx.useProgram(program);GLctx.currentProgram=program}function _glVertexAttribPointer(index,size,type,normalized,stride,ptr){GLctx.vertexAttribPointer(index,size,type,!!normalized,stride,ptr)}function _glViewport(x0,x1,x2,x3){GLctx["viewport"](x0,x1,x2,x3)}function _setTempRet0(val){setTempRet0(val)}var GLctx;var 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a{start(i){this.url=i,this.inBytes=0,this.fetchAbortController=new AbortController;let s=this.fetchAbortController.signal;fetch(this.url,{signal:s}).then(r=>{if(r.ok&&r.status>=200&&r.status<=299){self.postMessage({func:"open"});const n=r.body.getReader(),A=()=>{n.read().then(({done:h,value:d})=>{h?self.postMessage({func:"close"}):(this.inBytes+=d.length,self.postMessage({func:"data",arg:d}),A())}).catch(h=>{self.postMessage({func:"error",arg:{code:-3,msg:h.message}})})};A()}else self.postMessage({func:"error",arg:{code:r.status,msg:r.statusText}})}).catch(r=>{self.postMessage({func:"error",arg:{code:-2,msg:r.message}})})}stop(){this.fetchAbortController&&(this.fetchAbortController.abort(),this.fetchAbortController=null)}send(){}}const e=new a;onmessage=t=>{const{func:i,arg:s}=t.data;switch(i){case"start":e.start(s.url,s.isVod);break;case"stop":e.stop();break;case"send":e.send(s.data);break}}}class 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currentKBps(){this.addBytes(0);let e=(this._now()-this._lastCheckpoint)/1e3;return e==0&&(e=1),this._intervalBytes/e/1024}get lastSecondKBps(){return this.addBytes(0),this._lastSecondBytes!==0?this._lastSecondBytes/1024:this._now()-this._lastCheckpoint>=500?this.currentKBps:0}get averageKBps(){let e=(this._now()-this._firstCheckpoint)/1e3;return this._totalBytes/e/1024}}class P{constructor(e){this._message=e}get name(){return"RuntimeException"}get message(){return this._message}toString(){return this.name+": "+this.message}}class G extends P{constructor(e){super(e)}get name(){return"IllegalStateException"}}class j extends P{constructor(e){super(e)}get name(){return"InvalidArgumentException"}}class Ee extends P{constructor(e){super(e)}get name(){return"NotImplementedException"}}const w={kIdle:0,kConnecting:1,kBuffering:2,kError:3,kComplete:4},T={OK:"OK",EXCEPTION:"Exception",HTTP_STATUS_CODE_INVALID:"HttpStatusCodeInvalid",CONNECTING_TIMEOUT:"ConnectingTimeout",EARLY_EOF:"EarlyEof",UNRECOVERABLE_EARLY_EOF:"UnrecoverableEarlyEof"};class Ae{constructor(e){this._type=e||"undefined",this._status=w.kIdle,this._needStash=!1,this._onContentLengthKnown=null,this._onURLRedirect=null,this._onDataArrival=null,this._onError=null,this._onComplete=null}destroy(){this._status=w.kIdle,this._onContentLengthKnown=null,this._onURLRedirect=null,this._onDataArrival=null,this._onError=null,this._onComplete=null}isWorking(){return this._status===w.kConnecting||this._status===w.kBuffering}get type(){return this._type}get status(){return this._status}get needStashBuffer(){return this._needStash}get onContentLengthKnown(){return this._onContentLengthKnown}set onContentLengthKnown(e){this._onContentLengthKnown=e}get onURLRedirect(){return this._onURLRedirect}set onURLRedirect(e){this._onURLRedirect=e}get onDataArrival(){return this._onDataArrival}set onDataArrival(e){this._onDataArrival=e}get onError(){return this._onError}set onError(e){this._onError=e}get onComplete(){return this._onComplete}set onComplete(e){this._onComplete=e}open(e,t){throw new Ee("Unimplemented abstract function!")}abort(){throw new Ee("Unimplemented abstract function!")}}let R={};function Ue(){let a=self.navigator.userAgent.toLowerCase(),e=/(edge)\/([\w.]+)/.exec(a)||/(opr)[\/]([\w.]+)/.exec(a)||/(chrome)[ \/]([\w.]+)/.exec(a)||/(iemobile)[\/]([\w.]+)/.exec(a)||/(version)(applewebkit)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(a)||/(webkit)[ \/]([\w.]+).*(version)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(a)||/(webkit)[ \/]([\w.]+)/.exec(a)||/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(a)||/(msie) ([\w.]+)/.exec(a)||a.indexOf("trident")>=0&&/(rv)(?::| )([\w.]+)/.exec(a)||a.indexOf("compatible")<0&&/(firefox)[ \/]([\w.]+)/.exec(a)||[],t=/(ipad)/.exec(a)||/(ipod)/.exec(a)||/(windows phone)/.exec(a)||/(iphone)/.exec(a)||/(kindle)/.exec(a)||/(android)/.exec(a)||/(windows)/.exec(a)||/(mac)/.exec(a)||/(linux)/.exec(a)||/(cros)/.exec(a)||[],i={browser:e[5]||e[3]||e[1]||"",version:e[2]||e[4]||"0",majorVersion:e[4]||e[2]||"0",platform:t[0]||""},s={};if(i.browser){s[i.browser]=!0;let r=i.majorVersion.split(".");s.version={major:parseInt(i.majorVersion,10),string:i.version},r.length>1&&(s.version.minor=parseInt(r[1],10)),r.length>2&&(s.version.build=parseInt(r[2],10))}if(i.platform&&(s[i.platform]=!0),(s.chrome||s.opr||s.safari)&&(s.webkit=!0),s.rv||s.iemobile){s.rv&&delete s.rv;let r="msie";i.browser=r,s[r]=!0}if(s.edge){delete s.edge;let r="msedge";i.browser=r,s[r]=!0}if(s.opr){let r="opera";i.browser=r,s[r]=!0}if(s.safari&&s.android){let r="android";i.browser=r,s[r]=!0}s.name=i.browser,s.platform=i.platform;for(let r in R)R.hasOwnProperty(r)&&delete R[r];Object.assign(R,s)}Ue();class ae extends Ae{static isSupported(){try{let e=R.msedge&&R.version.minor>=15048,t=R.msedge?e:!0;return self.fetch&&self.ReadableStream&&t}catch(e){return!1}}constructor(e,t){super("fetch-stream-loader");this.TAG="FetchStreamLoader",this._seekHandler=e,this._config=t,this._needStash=!0,this._requestAbort=!1,this._contentLength=null,this._receivedLength=0,this._reader=null}destroy(){this.isWorking()&&this.abort(),super.destroy()}open(e,t){let i=null;if(self.AbortController){let h=new self.AbortController;i=h.signal,this._fetchAbortController=h}this._dataSource=e,this._range=t;let s=e.url;this._config.reuseRedirectedURL&&e.redirectedURL!=null&&(s=e.redirectedURL);let r=this._seekHandler.getConfig(s,t),n=new self.Headers;if(typeof r.headers=="object"){let h=r.headers;for(let d in h)h.hasOwnProperty(d)&&n.append(d,h[d])}let A={method:"GET",headers:n,mode:"cors",cache:"default",referrerPolicy:"no-referrer-when-downgrade",signal:i};if(typeof this._config.headers=="object")for(let h in this._config.headers)n.append(h,this._config.headers[h]);e.cors===!1&&(A.mode="same-origin"),e.withCredentials&&(A.credentials="include"),e.referrerPolicy&&(A.referrerPolicy=e.referrerPolicy),this._status=w.kConnecting,self.fetch(r.url,A).then(h=>{if(this._requestAbort){this._requestAbort=!1,this._status=w.kIdle;return}if(h.ok&&h.status>=200&&h.status<=299){if(h.url!==r.url&&this._onURLRedirect){let f=this._seekHandler.removeURLParameters(h.url);this._onURLRedirect(f)}let d=h.headers.get("Content-Length");return d!=null&&(this._contentLength=parseInt(d),this._contentLength!==0&&this._onContentLengthKnown&&this._onContentLengthKnown(this._contentLength)),this._pump.call(this,h.body.getReader())}else if(this._status=w.kError,this._onError)this._onError(T.HTTP_STATUS_CODE_INVALID,{code:h.status,msg:h.statusText});else throw new P("FetchStreamLoader: Http code invalid, "+h.status+" "+h.statusText)}).catch(h=>{if(this._requestAbort){this._requestAbort=!1;return}if(this._status=w.kError,this._onError)this._onError(T.EXCEPTION,{code:-1,msg:h.message});else throw h})}abort(){this._requestAbort=!0,this._fetchAbortController&&this._fetchAbortController.abort()}_pump(e){return e.read().then(t=>{if(t.done)if(this._contentLength!==null&&this._receivedLength<this._contentLength){this._status=w.kError;let i=T.EARLY_EOF,s={code:-1,msg:"Fetch stream meet Early-EOF"};if(this._onError)this._onError(i,s);else throw new P(s.msg)}else this._status=w.kComplete,this._onComplete&&this._onComplete(this._range.from,this._range.from+this._receivedLength-1);else{if(this._requestAbort===!0)return this._requestAbort=!1,this._status=w.kComplete,e.cancel();this._status=w.kBuffering;let i=t.value.buffer,s=this._range.from+this._receivedLength;this._receivedLength+=i.byteLength,this._onDataArrival&&this._onDataArrival(i,s,this._receivedLength),this._pump(e)}}).catch(t=>{if(this._requestAbort){this._requestAbort=!1;return}if(t.code===11&&R.msedge)return;this._status=w.kError;let i=0,s=null;if((t.code===19||t.message==="network error")&&(this._contentLength===null||this._contentLength!==null&&this._receivedLength<this._contentLength)?(i=T.EARLY_EOF,s={code:t.code,msg:"Fetch stream meet Early-EOF"}):(i=T.EXCEPTION,s={code:t.code,msg:t.message}),this._onError)this._onError(i,s);else throw new P(s.msg)})}}class oe extends Ae{static isSupported(){try{let e=new XMLHttpRequest;return e.open("GET","https://example.com",!0),e.responseType="moz-chunked-arraybuffer",e.responseType==="moz-chunked-arraybuffer"}catch(e){return o.w("MozChunkedLoader",e.message),!1}}constructor(e,t){super("xhr-moz-chunked-loader");this.TAG="MozChunkedLoader",this._seekHandler=e,this._config=t,this._needStash=!0,this._xhr=null,this._requestAbort=!1,this._contentLength=null,this._receivedLength=0}destroy(){this.isWorking()&&this.abort(),this._xhr&&(this._xhr.onreadystatechange=null,this._xhr.onprogress=null,this._xhr.onloadend=null,this._xhr.onerror=null,this._xhr=null),super.destroy()}open(e,t){this._dataSource=e,this._range=t;let i=e.url;this._config.reuseRedirectedURL&&e.redirectedURL!=null&&(i=e.redirectedURL);let s=this._seekHandler.getConfig(i,t);this._requestURL=s.url;let r=this._xhr=new XMLHttpRequest;if(r.open("GET",s.url,!0),r.responseType="moz-chunked-arraybuffer",r.onreadystatechange=this._onReadyStateChange.bind(this),r.onprogress=this._onProgress.bind(this),r.onloadend=this._onLoadEnd.bind(this),r.onerror=this._onXhrError.bind(this),e.withCredentials&&(r.withCredentials=!0),typeof s.headers=="object"){let n=s.headers;for(let A in n)n.hasOwnProperty(A)&&r.setRequestHeader(A,n[A])}if(typeof this._config.headers=="object"){let n=this._config.headers;for(let A in n)n.hasOwnProperty(A)&&r.setRequestHeader(A,n[A])}this._status=w.kConnecting,r.send()}abort(){this._requestAbort=!0,this._xhr&&this._xhr.abort(),this._status=w.kComplete}_onReadyStateChange(e){let t=e.target;if(t.readyState===2){if(t.responseURL!=null&&t.responseURL!==this._requestURL&&this._onURLRedirect){let i=this._seekHandler.removeURLParameters(t.responseURL);this._onURLRedirect(i)}if(t.status!==0&&(t.status<200||t.status>299))if(this._status=w.kError,this._onError)this._onError(T.HTTP_STATUS_CODE_INVALID,{code:t.status,msg:t.statusText});else throw new P("MozChunkedLoader: Http code invalid, "+t.status+" "+t.statusText);else this._status=w.kBuffering}}_onProgress(e){if(this._status===w.kError)return;this._contentLength===null&&e.total!==null&&e.total!==0&&(this._contentLength=e.total,this._onContentLengthKnown&&this._onContentLengthKnown(this._contentLength));let t=e.target.response,i=this._range.from+this._receivedLength;this._receivedLength+=t.byteLength,this._onDataArrival&&this._onDataArrival(t,i,this._receivedLength)}_onLoadEnd(e){if(this._requestAbort===!0){this._requestAbort=!1;return}else if(this._status===w.kError)return;this._status=w.kComplete,this._onComplete&&this._onComplete(this._range.from,this._range.from+this._receivedLength-1)}_onXhrError(e){this._status=w.kError;let t=0,i=null;if(this._contentLength&&e.loaded<this._contentLength?(t=T.EARLY_EOF,i={code:-1,msg:"Moz-Chunked stream meet Early-Eof"}):(t=T.EXCEPTION,i={code:-1,msg:e.constructor.name+" "+e.type}),this._onError)this._onError(t,i);else throw new P(i.msg)}}class ie extends Ae{static isSupported(){try{let e=new XMLHttpRequest;return e.open("GET","https://example.com",!0),e.responseType="arraybuffer",e.responseType==="arraybuffer"}catch(e){return o.w("RangeLoader",e.message),!1}}constructor(e,t){super("xhr-range-loader");this.TAG="RangeLoader",this._seekHandler=e,this._config=t,this._needStash=!1,this._chunkSizeKBList=[128,256,384,512,768,1024,1536,2048,3072,4096,5120,6144,7168,8192],this._currentChunkSizeKB=384,this._currentSpeedNormalized=0,this._zeroSpeedChunkCount=0,this._xhr=null,this._speedSampler=new xe,this._requestAbort=!1,this._waitForTotalLength=!1,this._totalLengthReceived=!1,this._currentRequestURL=null,this._currentRedirectedURL=null,this._currentRequestRange=null,this._totalLength=null,this._contentLength=null,this._receivedLength=0,this._lastTimeLoaded=0}destroy(){this.isWorking()&&this.abort(),this._xhr&&(this._xhr.onreadystatechange=null,this._xhr.onprogress=null,this._xhr.onload=null,this._xhr.onerror=null,this._xhr=null),super.destroy()}get currentSpeed(){return this._speedSampler.lastSecondKBps}open(e,t){this._dataSource=e,this._range=t,this._status=w.kConnecting;let i=!1;this._dataSource.filesize!=null&&this._dataSource.filesize!==0&&(i=!0,this._totalLength=this._dataSource.filesize),!this._totalLengthReceived&&!i?(this._waitForTotalLength=!0,this._internalOpen(this._dataSource,{from:0,to:-1})):this._openSubRange()}_openSubRange(){let e=this._currentChunkSizeKB*1024,t=this._range.from+this._receivedLength,i=t+e;this._contentLength!=null&&i-this._range.from>=this._contentLength&&(i=this._range.from+this._contentLength-1),this._currentRequestRange={from:t,to:i},this._internalOpen(this._dataSource,this._currentRequestRange)}_internalOpen(e,t){this._lastTimeLoaded=0;let i=e.url;this._config.reuseRedirectedURL&&(this._currentRedirectedURL!=null?i=this._currentRedirectedURL:e.redirectedURL!=null&&(i=e.redirectedURL));let s=this._seekHandler.getConfig(i,t);this._currentRequestURL=s.url;let r=this._xhr=new XMLHttpRequest;if(r.open("GET",s.url,!0),r.responseType="arraybuffer",r.onreadystatechange=this._onReadyStateChange.bind(this),r.onprogress=this._onProgress.bind(this),r.onload=this._onLoad.bind(this),r.onerror=this._onXhrError.bind(this),e.withCredentials&&(r.withCredentials=!0),typeof s.headers=="object"){let n=s.headers;for(let A in n)n.hasOwnProperty(A)&&r.setRequestHeader(A,n[A])}if(typeof this._config.headers=="object"){let n=this._config.headers;for(let A in n)n.hasOwnProperty(A)&&r.setRequestHeader(A,n[A])}r.send()}abort(){this._requestAbort=!0,this._internalAbort(),this._status=w.kComplete}_internalAbort(){this._xhr&&(this._xhr.onreadystatechange=null,this._xhr.onprogress=null,this._xhr.onload=null,this._xhr.onerror=null,this._xhr.abort(),this._xhr=null)}_onReadyStateChange(e){let t=e.target;if(t.readyState===2){if(t.responseURL!=null){let i=this._seekHandler.removeURLParameters(t.responseURL);t.responseURL!==this._currentRequestURL&&i!==this._currentRedirectedURL&&(this._currentRedirectedURL=i,this._onURLRedirect&&this._onURLRedirect(i))}if(t.status>=200&&t.status<=299){if(this._waitForTotalLength)return;this._status=w.kBuffering}else if(this._status=w.kError,this._onError)this._onError(T.HTTP_STATUS_CODE_INVALID,{code:t.status,msg:t.statusText});else throw new P("RangeLoader: Http code invalid, "+t.status+" "+t.statusText)}}_onProgress(e){if(this._status===w.kError)return;if(this._contentLength===null){let i=!1;if(this._waitForTotalLength){this._waitForTotalLength=!1,this._totalLengthReceived=!0,i=!0;let s=e.total;this._internalAbort(),s!=null&s!==0&&(this._totalLength=s)}if(this._range.to===-1?this._contentLength=this._totalLength-this._range.from:this._contentLength=this._range.to-this._range.from+1,i){this._openSubRange();return}this._onContentLengthKnown&&this._onContentLengthKnown(this._contentLength)}let t=e.loaded-this._lastTimeLoaded;this._lastTimeLoaded=e.loaded,this._speedSampler.addBytes(t)}_normalizeSpeed(e){let t=this._chunkSizeKBList,i=t.length-1,s=0,r=0,n=i;if(e<t[0])return t[0];for(;r<=n;){if(s=r+Math.floor((n-r)/2),s===i||e>=t[s]&&e<t[s+1])return t[s];t[s]<e?r=s+1:n=s-1}}_onLoad(e){if(this._status===w.kError)return;if(this._waitForTotalLength){this._waitForTotalLength=!1;return}this._lastTimeLoaded=0;let t=this._speedSampler.lastSecondKBps;if(t===0&&(this._zeroSpeedChunkCount++,this._zeroSpeedChunkCount>=3&&(t=this._speedSampler.currentKBps)),t!==0){let n=this._normalizeSpeed(t);this._currentSpeedNormalized!==n&&(this._currentSpeedNormalized=n,this._currentChunkSizeKB=n)}let i=e.target.response,s=this._range.from+this._receivedLength;this._receivedLength+=i.byteLength;let r=!1;this._contentLength!=null&&this._receivedLength<this._contentLength?this._openSubRange():r=!0,this._onDataArrival&&this._onDataArrival(i,s,this._receivedLength),r&&(this._status=w.kComplete,this._onComplete&&this._onComplete(this._range.from,this._range.from+this._receivedLength-1))}_onXhrError(e){this._status=w.kError;let t=0,i=null;if(this._contentLength&&this._receivedLength>0&&this._receivedLength<this._contentLength?(t=T.EARLY_EOF,i={code:-1,msg:"RangeLoader meet Early-Eof"}):(t=T.EXCEPTION,i={code:-1,msg:e.constructor.name+" "+e.type}),this._onError)this._onError(t,i);else throw new P(i.msg)}}class Se extends Ae{static isSupported(){try{return typeof self.WebSocket!="undefined"}catch(e){return!1}}constructor(){super("websocket-loader");this.TAG="WebSocketLoader",this._needStash=!0,this._ws=null,this._requestAbort=!1,this._receivedLength=0}destroy(){this._ws&&this.abort(),super.destroy()}open(e){try{let t=this._ws=new self.WebSocket(e.url);t.binaryType="arraybuffer",t.onopen=this._onWebSocketOpen.bind(this),t.onclose=this._onWebSocketClose.bind(this),t.onmessage=this._onWebSocketMessage.bind(this),t.onerror=this._onWebSocketError.bind(this),this._status=w.kConnecting}catch(t){this._status=w.kError;let i={code:t.code,msg:t.message};if(this._onError)this._onError(T.EXCEPTION,i);else throw new P(i.msg)}}abort(){let e=this._ws;e&&(e.readyState===0||e.readyState===1)&&(this._requestAbort=!0,e.close()),this._ws=null,this._status=w.kComplete}_onWebSocketOpen(e){this._status=w.kBuffering}_onWebSocketClose(e){if(this._requestAbort===!0){this._requestAbort=!1;return}this._status=w.kComplete,this._onComplete&&this._onComplete(0,this._receivedLength-1)}_onWebSocketMessage(e){if(e.data instanceof ArrayBuffer)this._dispatchArrayBuffer(e.data);else if(e.data instanceof Blob){let t=new FileReader;t.onload=()=>{this._dispatchArrayBuffer(t.result)},t.readAsArrayBuffer(e.data)}else{this._status=w.kError;let t={code:-1,msg:"Unsupported WebSocket message type: "+e.data.constructor.name};if(this._onError)this._onError(T.EXCEPTION,t);else throw new P(t.msg)}}_dispatchArrayBuffer(e){let t=e,i=this._receivedLength;this._receivedLength+=t.byteLength,this._onDataArrival&&this._onDataArrival(t,i,this._receivedLength)}_onWebSocketError(e){this._status=w.kError;let t={code:e.code,msg:e.message};if(this._onError)this._onError(T.EXCEPTION,t);else throw new P(t.msg)}}class Be{constructor(e){this._zeroStart=e||!1}getConfig(e,t){let i={};if(t.from!==0||t.to!==-1){let s;t.to!==-1?s=`bytes=${t.from.toString()}-${t.to.toString()}`:s=`bytes=${t.from.toString()}-`,i.Range=s}else this._zeroStart&&(i.Range="bytes=0-");return{url:e,headers:i}}removeURLParameters(e){return e}}class Ce{constructor(e,t){this._startName=e,this._endName=t}getConfig(e,t){let i=e;if(t.from!==0||t.to!==-1){let s=!0;i.indexOf("?")===-1&&(i+="?",s=!1),s&&(i+="&"),i+=`${this._startName}=${t.from.toString()}`,t.to!==-1&&(i+=`&${this._endName}=${t.to.toString()}`)}return{url:i,headers:{}}}removeURLParameters(e){let t=e.split("?")[0],i,s=e.indexOf("?");s!==-1&&(i=e.substring(s+1));let r="";if(i!=null&&i.length>0){let n=i.split("&");for(let A=0;A<n.length;A++){let h=n[A].split("="),d=A>0;h[0]!==this._startName&&h[0]!==this._endName&&(d&&(r+="&"),r+=n[A])}}return r.length===0?t:t+"?"+r}}class _e{constructor(e,t,i){this.TAG="IOController",this._config=t,this._extraData=i,this._stashInitialSize=1024*384,t.stashInitialSize!=null&&t.stashInitialSize>0&&(this._stashInitialSize=t.stashInitialSize),this._stashUsed=0,this._stashSize=this._stashInitialSize,this._bufferSize=1024*1024*3,this._stashBuffer=new ArrayBuffer(this._bufferSize),this._stashByteStart=0,this._enableStash=!0,t.enableStashBuffer===!1&&(this._enableStash=!1),this._loader=null,this._loaderClass=null,this._seekHandler=null,this._dataSource=e,this._isWebSocketURL=/wss?:\/\/(.+?)/.test(e.url),this._refTotalLength=e.filesize?e.filesize:null,this._totalLength=this._refTotalLength,this._fullRequestFlag=!1,this._currentRange=null,this._redirectedURL=null,this._speedNormalized=0,this._speedSampler=new xe,this._speedNormalizeList=[64,128,256,384,512,768,1024,1536,2048,3072,4096],this._isEarlyEofReconnecting=!1,this._paused=!1,this._resumeFrom=0,this._onDataArrival=null,this._onSeeked=null,this._onError=null,this._onComplete=null,this._onRedirect=null,this._onRecoveredEarlyEof=null,this._selectSeekHandler(),this._selectLoader(),this._createLoader()}destroy(){this._loader.isWorking()&&this._loader.abort(),this._loader.destroy(),this._loader=null,this._loaderClass=null,this._dataSource=null,this._stashBuffer=null,this._stashUsed=this._stashSize=this._bufferSize=this._stashByteStart=0,this._currentRange=null,this._speedSampler=null,this._isEarlyEofReconnecting=!1,this._onDataArrival=null,this._onSeeked=null,this._onError=null,this._onComplete=null,this._onRedirect=null,this._onRecoveredEarlyEof=null,this._extraData=null}isWorking(){return this._loader&&this._loader.isWorking()&&!this._paused}isPaused(){return this._paused}get status(){return this._loader.status}get extraData(){return this._extraData}set extraData(e){this._extraData=e}get onDataArrival(){return this._onDataArrival}set onDataArrival(e){this._onDataArrival=e}get onSeeked(){return this._onSeeked}set onSeeked(e){this._onSeeked=e}get onError(){return this._onError}set onError(e){this._onError=e}get onComplete(){return this._onComplete}set onComplete(e){this._onComplete=e}get onRedirect(){return this._onRedirect}set onRedirect(e){this._onRedirect=e}get onRecoveredEarlyEof(){return this._onRecoveredEarlyEof}set onRecoveredEarlyEof(e){this._onRecoveredEarlyEof=e}get currentURL(){return this._dataSource.url}get hasRedirect(){return this._redirectedURL!=null||this._dataSource.redirectedURL!=null}get currentRedirectedURL(){return this._redirectedURL||this._dataSource.redirectedURL}get currentSpeed(){return this._loaderClass===ie?this._loader.currentSpeed:this._speedSampler.lastSecondKBps}get loaderType(){return this._loader.type}_selectSeekHandler(){let e=this._config;if(e.seekType==="range")this._seekHandler=new Be(this._config.rangeLoadZeroStart);else if(e.seekType==="param"){let t=e.seekParamStart||"bstart",i=e.seekParamEnd||"bend";this._seekHandler=new Ce(t,i)}else if(e.seekType==="custom"){if(typeof e.customSeekHandler!="function")throw new j("Custom seekType specified in config but invalid customSeekHandler!");this._seekHandler=new e.customSeekHandler}else throw new j(`Invalid seekType in config: ${e.seekType}`)}_selectLoader(){if(this._config.customLoader!=null)this._loaderClass=this._config.customLoader;else if(this._isWebSocketURL)this._loaderClass=Se;else if(ae.isSupported())this._loaderClass=ae;else if(oe.isSupported())this._loaderClass=oe;else if(ie.isSupported())this._loaderClass=ie;else throw new P("Your browser doesn't support xhr with arraybuffer responseType!")}_createLoader(){this._loader=new this._loaderClass(this._seekHandler,this._config),this._loader.needStashBuffer===!1&&(this._enableStash=!1),this._loader.onContentLengthKnown=this._onContentLengthKnown.bind(this),this._loader.onURLRedirect=this._onURLRedirect.bind(this),this._loader.onDataArrival=this._onLoaderChunkArrival.bind(this),this._loader.onComplete=this._onLoaderComplete.bind(this),this._loader.onError=this._onLoaderError.bind(this)}open(e){this._currentRange={from:0,to:-1},e&&(this._currentRange.from=e),this._speedSampler.reset(),e||(this._fullRequestFlag=!0),this._loader.open(this._dataSource,Object.assign({},this._currentRange))}abort(){this._loader.abort(),this._paused&&(this._paused=!1,this._resumeFrom=0)}pause(){this.isWorking()&&(this._loader.abort(),this._stashUsed!==0?(this._resumeFrom=this._stashByteStart,this._currentRange.to=this._stashByteStart-1):this._resumeFrom=this._currentRange.to+1,this._stashUsed=0,this._stashByteStart=0,this._paused=!0)}resume(){if(this._paused){this._paused=!1;let e=this._resumeFrom;this._resumeFrom=0,this._internalSeek(e,!0)}}seek(e){this._paused=!1,this._stashUsed=0,this._stashByteStart=0,this._internalSeek(e,!0)}_internalSeek(e,t){this._loader.isWorking()&&this._loader.abort(),this._flushStashBuffer(t),this._loader.destroy(),this._loader=null;let i={from:e,to:-1};this._currentRange={from:i.from,to:-1},this._speedSampler.reset(),this._stashSize=this._stashInitialSize,this._createLoader(),this._loader.open(this._dataSource,i),this._onSeeked&&this._onSeeked()}updateUrl(e){if(!e||typeof e!="string"||e.length===0)throw new j("Url must be a non-empty string!");this._dataSource.url=e}_expandBuffer(e){let t=this._stashSize;for(;t+1024*1024*1<e;)t*=2;if(t+=1024*1024*1,t===this._bufferSize)return;let i=new ArrayBuffer(t);if(this._stashUsed>0){let s=new Uint8Array(this._stashBuffer,0,this._stashUsed);new Uint8Array(i,0,t).set(s,0)}this._stashBuffer=i,this._bufferSize=t}_normalizeSpeed(e){let t=this._speedNormalizeList,i=t.length-1,s=0,r=0,n=i;if(e<t[0])return t[0];for(;r<=n;){if(s=r+Math.floor((n-r)/2),s===i||e>=t[s]&&e<t[s+1])return t[s];t[s]<e?r=s+1:n=s-1}}_adjustStashSize(e){let t=0;this._config.isLive||e<512?t=e:e>=512&&e<=1024?t=Math.floor(e*1.5):t=e*2,t>8192&&(t=8192);let i=t*1024+1024*1024*1;this._bufferSize<i&&this._expandBuffer(i),this._stashSize=t*1024}_dispatchChunks(e,t){return this._currentRange.to=t+e.byteLength-1,this._onDataArrival(e,t)}_onURLRedirect(e){this._redirectedURL=e,this._onRedirect&&this._onRedirect(e)}_onContentLengthKnown(e){e&&this._fullRequestFlag&&(this._totalLength=e,this._fullRequestFlag=!1)}_onLoaderChunkArrival(e,t,i){if(!this._onDataArrival)throw new G("IOController: No existing consumer (onDataArrival) callback!");if(this._paused)return;this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,this._onRecoveredEarlyEof&&this._onRecoveredEarlyEof()),this._speedSampler.addBytes(e.byteLength);let s=this._speedSampler.lastSecondKBps;if(s!==0){let r=this._normalizeSpeed(s);this._speedNormalized!==r&&(this._speedNormalized=r,this._adjustStashSize(r))}if(this._enableStash)if(this._stashUsed===0&&this._stashByteStart===0&&(this._stashByteStart=t),this._stashUsed+e.byteLength<=this._stashSize)new Uint8Array(this._stashBuffer,0,this._stashSize).set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength;else{let r=new Uint8Array(this._stashBuffer,0,this._bufferSize);if(this._stashUsed>0){let n=this._stashBuffer.slice(0,this._stashUsed),A=this._dispatchChunks(n,this._stashByteStart);if(A<n.byteLength){if(A>0){let h=new Uint8Array(n,A);r.set(h,0),this._stashUsed=h.byteLength,this._stashByteStart+=A}}else this._stashUsed=0,this._stashByteStart+=A;this._stashUsed+e.byteLength>this._bufferSize&&(this._expandBuffer(this._stashUsed+e.byteLength),r=new Uint8Array(this._stashBuffer,0,this._bufferSize)),r.set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength}else{let n=this._dispatchChunks(e,t);if(n<e.byteLength){let A=e.byteLength-n;A>this._bufferSize&&(this._expandBuffer(A),r=new Uint8Array(this._stashBuffer,0,this._bufferSize)),r.set(new Uint8Array(e,n),0),this._stashUsed+=A,this._stashByteStart=t+n}}}else if(this._stashUsed===0){let r=this._dispatchChunks(e,t);if(r<e.byteLength){let n=e.byteLength-r;n>this._bufferSize&&this._expandBuffer(n),new Uint8Array(this._stashBuffer,0,this._bufferSize).set(new Uint8Array(e,r),0),this._stashUsed+=n,this._stashByteStart=t+r}}else{this._stashUsed+e.byteLength>this._bufferSize&&this._expandBuffer(this._stashUsed+e.byteLength);let r=new Uint8Array(this._stashBuffer,0,this._bufferSize);r.set(new Uint8Array(e),this._stashUsed),this._stashUsed+=e.byteLength;let n=this._dispatchChunks(this._stashBuffer.slice(0,this._stashUsed),this._stashByteStart);if(n<this._stashUsed&&n>0){let A=new Uint8Array(this._stashBuffer,n);r.set(A,0)}this._stashUsed-=n,this._stashByteStart+=n}}_flushStashBuffer(e){if(this._stashUsed>0){let t=this._stashBuffer.slice(0,this._stashUsed),i=this._dispatchChunks(t,this._stashByteStart),s=t.byteLength-i;if(i<t.byteLength)if(e)o.w(this.TAG,`${s} bytes unconsumed data remain when flush buffer, dropped`);else{if(i>0){let r=new Uint8Array(this._stashBuffer,0,this._bufferSize),n=new Uint8Array(t,i);r.set(n,0),this._stashUsed=n.byteLength,this._stashByteStart+=i}return 0}return this._stashUsed=0,this._stashByteStart=0,s}return 0}_onLoaderComplete(e,t){this._flushStashBuffer(!0),this._onComplete&&this._onComplete(this._extraData)}_onLoaderError(e,t){switch(o.e(this.TAG,`Loader error, code = ${t.code}, msg = ${t.msg}`),this._flushStashBuffer(!1),this._isEarlyEofReconnecting&&(this._isEarlyEofReconnecting=!1,e=T.UNRECOVERABLE_EARLY_EOF),e){case T.EARLY_EOF:{if(!this._config.isLive&&this._totalLength){let i=this._currentRange.to+1;i<this._totalLength&&(o.w(this.TAG,"Connection lost, trying reconnect..."),this._isEarlyEofReconnecting=!0,this._internalSeek(i,!1));return}e=T.UNRECOVERABLE_EARLY_EOF;break}}if(this._onError)this._onError(e,t);else throw new P("IOException: "+t.msg)}}const Pe={enableWorker:!1,enableStashBuffer:!0,stashInitialSize:void 0,isLive:!1,lazyLoad:!0,lazyLoadMaxDuration:3*60,lazyLoadRecoverDuration:30,deferLoadAfterSourceOpen:!0,autoCleanupMaxBackwardDuration:3*60,autoCleanupMinBackwardDuration:2*60,statisticsInfoReportInterval:600,fixAudioTimestampGap:!0,accurateSeek:!1,seekType:"range",seekParamStart:"bstart",seekParamEnd:"bend",rangeLoadZeroStart:!1,customSeekHandler:void 0,reuseRedirectedURL:!1,headers:void 0,customLoader:void 0};function se(){return Object.assign({},Pe)}class re{static supportMSEH264Playback(){return window.MediaSource&&window.MediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')}static supportNetworkStreamIO(){let e=new _e({},se()),t=e.loaderType;return e.destroy(),t=="fetch-stream-loader"||t=="xhr-moz-chunked-loader"}static getNetworkLoaderTypeName(){let e=new _e({},se()),t=e.loaderType;return e.destroy(),t}static supportNativeMediaPlayback(e){re.videoElement==null&&(re.videoElement=window.document.createElement("video"));let t=re.videoElement.canPlayType(e);return t==="probably"||t=="maybe"}}class et extends y{constructor(){super();this.TAG="WebLoader",this._config=se(),this._loader=null,this._loaderClass=null,this._seekHandler=null,this._isStart=!1,this._isFirst=!0}start(e){if(this._isStart)throw"isStart";this._isWebSocketURL=/wss?:\/\/(.+?)/.test(e),this._currentRange={from:0,to:-1},this._selectSeekHandler(),this._selectLoader(),this._createLoader(),this._loader.open({url:e},Object.assign({},this._currentRange)),this._isStart=!0,this._isFirst=!0}stop(){this._isStart&&(this._loader.abort(),this._isStart=!1)}_selectSeekHandler(){let e=this._config;if(e.seekType==="range")this._seekHandler=new Be(this._config.rangeLoadZeroStart);else if(e.seekType==="param"){let t=e.seekParamStart||"bstart",i=e.seekParamEnd||"bend";this._seekHandler=new Ce(t,i)}else if(e.seekType==="custom"){if(typeof e.customSeekHandler!="function")throw new j("Custom seekType specified in config but invalid customSeekHandler!");this._seekHandler=new e.customSeekHandler}else throw new j(`Invalid seekType in config: ${e.seekType}`)}_selectLoader(){if(this._isWebSocketURL)this._loaderClass=Se;else if(ae.isSupported())this._loaderClass=ae;else if(oe.isSupported())this._loaderClass=oe;else if(ie.isSupported())this._loaderClass=ie;else throw new P("Your browser doesn't support xhr with arraybuffer responseType!")}_createLoader(){this._loader=new this._loaderClass(this._seekHandler,this._config),this._loader.onContentLength=this._onContentLength.bind(this),this._loader.onURLRedirect=this._onURLRedirect.bind(this),this._loader.onDataArrival=this._onLoaderChunkArrival.bind(this),this._loader.onComplete=this._onLoaderComplete.bind(this),this._loader.onError=this._onLoaderError.bind(this)}_onURLRedirect(){}_onContentLength(e){}_onLoaderChunkArrival(e,t,i){this._isFirst&&(this.emit("start"),this._isFirst=!1),this.emit("data",e)}_onLoaderComplete(e,t){this.emit("close"),this._isFirst=!0}_onLoaderError(e,t){this.emit("error",t),this._isFirst=!0}}const v={ERROR:"error",LOADING_COMPLETE:"loading_complete",RECOVERED_EARLY_EOF:"recovered_early_eof",MEDIA_INFO:"media_info",METADATA_ARRIVED:"metadata_arrived",SCRIPTDATA_ARRIVED:"scriptdata_arrived",STATISTICS_INFO:"statistics_info"};class O{static get forceGlobalTag(){return o.FORCE_GLOBAL_TAG}static set forceGlobalTag(e){o.FORCE_GLOBAL_TAG=e,O._notifyChange()}static get globalTag(){return o.GLOBAL_TAG}static set globalTag(e){o.GLOBAL_TAG=e,O._notifyChange()}static get enableAll(){return o.ENABLE_VERBOSE&&o.ENABLE_DEBUG&&o.ENABLE_INFO&&o.ENABLE_WARN&&o.ENABLE_ERROR}static set enableAll(e){o.ENABLE_VERBOSE=e,o.ENABLE_DEBUG=e,o.ENABLE_INFO=e,o.ENABLE_WARN=e,o.ENABLE_ERROR=e,O._notifyChange()}static get enableDebug(){return o.ENABLE_DEBUG}static set enableDebug(e){o.ENABLE_DEBUG=e,O._notifyChange()}static get enableVerbose(){return o.ENABLE_VERBOSE}static set enableVerbose(e){o.ENABLE_VERBOSE=e,O._notifyChange()}static get enableInfo(){return o.ENABLE_INFO}static set enableInfo(e){o.ENABLE_INFO=e,O._notifyChange()}static get enableWarn(){return o.ENABLE_WARN}static set enableWarn(e){o.ENABLE_WARN=e,O._notifyChange()}static get enableError(){return o.ENABLE_ERROR}static set enableError(e){o.ENABLE_ERROR=e,O._notifyChange()}static getConfig(){return{globalTag:o.GLOBAL_TAG,forceGlobalTag:o.FORCE_GLOBAL_TAG,enableVerbose:o.ENABLE_VERBOSE,enableDebug:o.ENABLE_DEBUG,enableInfo:o.ENABLE_INFO,enableWarn:o.ENABLE_WARN,enableError:o.ENABLE_ERROR,enableCallback:o.ENABLE_CALLBACK}}static applyConfig(e){o.GLOBAL_TAG=e.globalTag,o.FORCE_GLOBAL_TAG=e.forceGlobalTag,o.ENABLE_VERBOSE=e.enableVerbose,o.ENABLE_DEBUG=e.enableDebug,o.ENABLE_INFO=e.enableInfo,o.ENABLE_WARN=e.enableWarn,o.ENABLE_ERROR=e.enableError,o.ENABLE_CALLBACK=e.enableCallback}static _notifyChange(){let e=O.emitter;if(e.listenerCount("change")>0){let t=O.getConfig();e.emit("change",t)}}static registerListener(e){O.emitter.addListener("change",e)}static removeListener(e){O.emitter.removeListener("change",e)}static addLogListener(e){o.emitter.addListener("log",e),o.emitter.listenerCount("log")>0&&(o.ENABLE_CALLBACK=!0,O._notifyChange())}static removeLogListener(e){o.emitter.removeListener("log",e),o.emitter.listenerCount("log")===0&&(o.ENABLE_CALLBACK=!1,O._notifyChange())}}O.emitter=new y;class le{constructor(){this.mimeType=null,this.duration=null,this.hasAudio=null,this.hasVideo=null,this.audioCodec=null,this.videoCodec=null,this.audioDataRate=null,this.videoDataRate=null,this.audioSampleRate=null,this.audioChannelCount=null,this.width=null,this.height=null,this.fps=null,this.profile=null,this.level=null,this.refFrames=null,this.chromaFormat=null,this.sarNum=null,this.sarDen=null,this.metadata=null,this.segments=null,this.segmentCount=null,this.hasKeyframesIndex=null,this.keyframesIndex=null}isComplete(){let e=this.hasAudio===!1||this.hasAudio===!0&&this.audioCodec!=null&&this.audioSampleRate!=null&&this.audioChannelCount!=null,t=this.hasVideo===!1||this.hasVideo===!0&&this.videoCodec!=null&&this.width!=null&&this.height!=null&&this.fps!=null&&this.profile!=null&&this.level!=null&&this.refFrames!=null&&this.chromaFormat!=null&&this.sarNum!=null&&this.sarDen!=null;return this.mimeType!=null&&this.duration!=null&&this.metadata!=null&&this.hasKeyframesIndex!=null&&e&&t}isSeekable(){return this.hasKeyframesIndex===!0}getNearestKeyframe(e){if(this.keyframesIndex==null)return null;let t=this.keyframesIndex,i=this._search(t.times,e);return{index:i,milliseconds:t.times[i],fileposition:t.filepositions[i]}}_search(e,t){let i=0,s=e.length-1,r=0,n=0,A=s;for(t<e[0]&&(i=0,n=A+1);n<=A;)if(r=n+Math.floor((A-n)/2),r===s||t>=e[r]&&t<e[r+1]){i=r;break}else e[r]<t?n=r+1:A=r-1;return i}}function fe(a,e,t){let i=a;if(e+t<i.length){for(;t--;)if((i[++e]&192)!=128)return!1;return!0}else return!1}function be(a){let e=[],t=a,i=0,s=a.length;for(;i<s;){if(t[i]<128){e.push(String.fromCharCode(t[i])),++i;continue}else if(!(t[i]<192)){if(t[i]<224){if(fe(t,i,1)){let r=(t[i]&31)<<6|t[i+1]&63;if(r>=128){e.push(String.fromCharCode(r&65535)),i+=2;continue}}}else if(t[i]<240){if(fe(t,i,2)){let r=(t[i]&15)<<12|(t[i+1]&63)<<6|t[i+2]&63;if(r>=2048&&(r&63488)!=55296){e.push(String.fromCharCode(r&65535)),i+=3;continue}}}else if(t[i]<248&&fe(t,i,3)){let r=(t[i]&7)<<18|(t[i+1]&63)<<12|(t[i+2]&63)<<6|t[i+3]&63;if(r>65536&&r<1114112){r-=65536,e.push(String.fromCharCode(r>>>10|55296)),e.push(String.fromCharCode(r&1023|56320)),i+=4;continue}}}e.push(String.fromCharCode(65533)),++i}return e.join("")}let z=function(){let a=new ArrayBuffer(2);return new DataView(a).setInt16(0,256,!0),new Int16Array(a)[0]===256}();class H{static parseScriptData(e,t,i){let s={};try{let r=H.parseValue(e,t,i),n=H.parseValue(e,t+r.size,i-r.size);s[r.data]=n.data}catch(r){o.e("AMF",r.toString())}return s}static parseObject(e,t,i){if(i<3)throw new G("Data not enough when parse ScriptDataObject");let s=H.parseString(e,t,i),r=H.parseValue(e,t+s.size,i-s.size),n=r.objectEnd;return{data:{name:s.data,value:r.data},size:s.size+r.size,objectEnd:n}}static parseVariable(e,t,i){return H.parseObject(e,t,i)}static parseString(e,t,i){if(i<2)throw new G("Data not enough when parse String");let r=new DataView(e,t,i).getUint16(0,!z),n;return r>0?n=be(new Uint8Array(e,t+2,r)):n="",{data:n,size:2+r}}static parseLongString(e,t,i){if(i<4)throw new G("Data not enough when parse LongString");let r=new DataView(e,t,i).getUint32(0,!z),n;return r>0?n=be(new Uint8Array(e,t+4,r)):n="",{data:n,size:4+r}}static parseDate(e,t,i){if(i<10)throw new G("Data size invalid when parse Date");let s=new DataView(e,t,i),r=s.getFloat64(0,!z);return r+=s.getInt16(8,!z)*60*1e3,{data:new Date(r),size:8+2}}static parseValue(e,t,i){if(i<1)throw new G("Data not enough when parse Value");let s=new DataView(e,t,i),r=1,n=s.getUint8(0),A,h=!1;try{switch(n){case 0:A=s.getFloat64(1,!z),r+=8;break;case 1:{A=!!s.getUint8(1),r+=1;break}case 2:{let d=H.parseString(e,t+1,i-1);A=d.data,r+=d.size;break}case 3:{A={};let d=0;for((s.getUint32(i-4,!z)&16777215)==9&&(d=3);r<i-4;){let f=H.parseObject(e,t+r,i-r-d);if(f.objectEnd)break;A[f.data.name]=f.data.value,r+=f.size}r<=i-3&&(s.getUint32(r-1,!z)&16777215)===9&&(r+=3);break}case 8:{A={},r+=4;let d=0;for((s.getUint32(i-4,!z)&16777215)==9&&(d=3);r<i-8;){let f=H.parseVariable(e,t+r,i-r-d);if(f.objectEnd)break;A[f.data.name]=f.data.value,r+=f.size}r<=i-3&&(s.getUint32(r-1,!z)&16777215)===9&&(r+=3);break}case 9:A=void 0,r=1,h=!0;break;case 10:{A=[];let d=s.getUint32(1,!z);r+=4;for(let f=0;f<d;f++){let S=H.parseValue(e,t+r,i-r);A.push(S.data),r+=S.size}break}case 11:{let d=H.parseDate(e,t+1,i-1);A=d.data,r+=d.size;break}case 12:{let d=H.parseString(e,t+1,i-1);A=d.data,r+=d.size;break}default:r=i,o.w("AMF","Unsupported AMF value type "+n)}}catch(d){o.e("AMF",d.toString())}return{data:A,size:r,objectEnd:h}}}class Me{constructor(e){this.TAG="ExpGolomb",this._buffer=e,this._buffer_index=0,this._total_bytes=e.byteLength,this._total_bits=e.byteLength*8,this._current_word=0,this._current_word_bits_left=0}destroy(){this._buffer=null}_fillCurrentWord(){let e=this._total_bytes-this._buffer_index;if(e<=0)throw new G("ExpGolomb: _fillCurrentWord() but no bytes available");let t=Math.min(4,e),i=new Uint8Array(4);i.set(this._buffer.subarray(this._buffer_index,this._buffer_index+t)),this._current_word=new DataView(i.buffer).getUint32(0,!1),this._buffer_index+=t,this._current_word_bits_left=t*8}readBits(e){if(e>32)throw new j("ExpGolomb: readBits() bits exceeded max 32bits!");if(e<=this._current_word_bits_left){let n=this._current_word>>>32-e;return this._current_word<<=e,this._current_word_bits_left-=e,n}let t=this._current_word_bits_left?this._current_word:0;t=t>>>32-this._current_word_bits_left;let i=e-this._current_word_bits_left;this._fillCurrentWord();let s=Math.min(i,this._current_word_bits_left),r=this._current_word>>>32-s;return this._current_word<<=s,this._current_word_bits_left-=s,t=t<<s|r,t}readBool(){return this.readBits(1)===1}readByte(){return this.readBits(8)}_skipLeadingZero(){let e;for(e=0;e<this._current_word_bits_left;e++)if((this._current_word&2147483648>>>e)!=0)return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}readUEG(){let e=this._skipLeadingZero();return this.readBits(e+1)-1}readSEG(){let e=this.readUEG();return e&1?e+1>>>1:-1*(e>>>1)}}class K{static _ebsp2rbsp(e){let t=e,i=t.byteLength,s=new Uint8Array(i),r=0;for(let n=0;n<i;n++)n>=2&&t[n]===3&&t[n-1]===0&&t[n-2]===0||(s[r]=t[n],r++);return new Uint8Array(s.buffer,0,r)}static parseSPS(e){let t=K._ebsp2rbsp(e),i=new Me(t);i.readByte();let s=i.readByte();i.readByte();let r=i.readByte();i.readUEG();let n=K.getProfileString(s),A=K.getLevelString(r),h=1,d=420,f=[0,420,422,444],S=8;if((s===100||s===110||s===122||s===244||s===44||s===83||s===86||s===118||s===128||s===138||s===144)&&(h=i.readUEG(),h===3&&i.readBits(1),h<=3&&(d=f[h]),S=i.readUEG()+8,i.readUEG(),i.readBits(1),i.readBool())){let M=h!==3?8:12;for(let N=0;N<M;N++)i.readBool()&&(N<6?K._skipScalingList(i,16):K._skipScalingList(i,64))}i.readUEG();let u=i.readUEG();if(u===0)i.readUEG();else if(u===1){i.readBits(1),i.readSEG(),i.readSEG();let M=i.readUEG();for(let N=0;N<M;N++)i.readSEG()}let B=i.readUEG();i.readBits(1);let _=i.readUEG(),m=i.readUEG(),c=i.readBits(1);c===0&&i.readBits(1),i.readBits(1);let p=0,x=0,b=0,I=0;i.readBool()&&(p=i.readUEG(),x=i.readUEG(),b=i.readUEG(),I=i.readUEG());let C=1,g=1,U=0,F=!0,L=0,k=0;if(i.readBool()){if(i.readBool()){let M=i.readByte(),N=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],ue=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];M>0&&M<16?(C=N[M-1],g=ue[M-1]):M===255&&(C=i.readByte()<<8|i.readByte(),g=i.readByte()<<8|i.readByte())}if(i.readBool()&&i.readBool(),i.readBool()&&(i.readBits(4),i.readBool()&&i.readBits(24)),i.readBool()&&(i.readUEG(),i.readUEG()),i.readBool()){let M=i.readBits(32),N=i.readBits(32);F=i.readBool(),L=N,k=M*2,U=L/k}}let Y=1;(C!==1||g!==1)&&(Y=C/g);let J=0,$=0;if(h===0)J=1,$=2-c;else{let M=h===3?1:2,N=h===1?2:1;J=M,$=N*(2-c)}let ee=(_+1)*16,X=(2-c)*((m+1)*16);ee-=(p+x)*J,X-=(b+I)*$;let de=Math.ceil(ee*Y);return i.destroy(),i=null,{profile_string:n,level_string:A,bit_depth:S,ref_frames:B,chroma_format:d,chroma_format_string:K.getChromaFormatString(d),frame_rate:{fixed:F,fps:U,fps_den:k,fps_num:L},sar_ratio:{width:C,height:g},codec_size:{width:ee,height:X},present_size:{width:de,height:X}}}static _skipScalingList(e,t){let i=8,s=8,r=0;for(let n=0;n<t;n++)s!==0&&(r=e.readSEG(),s=(i+r+256)%256),i=s===0?i:s}static getProfileString(e){switch(e){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(e){return(e/10).toFixed(1)}static getChromaFormatString(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}const Q={OK:"OK",FORMAT_ERROR:"FormatError",FORMAT_UNSUPPORTED:"FormatUnsupported",CODEC_UNSUPPORTED:"CodecUnsupported"};function Ne(a,e){return a[e]<<24|a[e+1]<<16|a[e+2]<<8|a[e+3]}class he{constructor(e,t){this.TAG="FLVDemuxer",this._config=t,this._onError=null,this._onMediaInfo=null,this._onMetaDataArrived=null,this._onScriptDataArrived=null,this._onTrackMetadata=null,this._onDataAvailable=null,this._dataOffset=e.dataOffset,this._firstParse=!0,this._dispatch=!1,this._hasAudio=e.hasAudioTrack,this._hasVideo=e.hasVideoTrack,this._hasAudioFlagOverrided=!1,this._hasVideoFlagOverrided=!1,this._audioInitialMetadataDispatched=!1,this._videoInitialMetadataDispatched=!1,this._mediaInfo=new le,this._mediaInfo.hasAudio=this._hasAudio,this._mediaInfo.hasVideo=this._hasVideo,this._metadata=null,this._audioMetadata=null,this._videoMetadata=null,this._naluLengthSize=4,this._timestampBase=0,this._timescale=1e3,this._duration=0,this._durationOverrided=!1,this._referenceFrameRate={fixed:!0,fps:23.976,fps_num:23976,fps_den:1e3},this._flvSoundRateTable=[5500,11025,22050,44100,48e3],this._mpegSamplingRates=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],this._mpegAudioV10SampleRateTable=[44100,48e3,32e3,0],this._mpegAudioV20SampleRateTable=[22050,24e3,16e3,0],this._mpegAudioV25SampleRateTable=[11025,12e3,8e3,0],this._mpegAudioL1BitRateTable=[0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,-1],this._mpegAudioL2BitRateTable=[0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,-1],this._mpegAudioL3BitRateTable=[0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,-1],this._videoTrack={type:"video",id:1,sequenceNumber:0,samples:[],length:0},this._audioTrack={type:"audio",id:2,sequenceNumber:0,samples:[],length:0},this._littleEndian=function(){let i=new ArrayBuffer(2);return new DataView(i).setInt16(0,256,!0),new Int16Array(i)[0]===256}()}destroy(){this._mediaInfo=null,this._metadata=null,this._audioMetadata=null,this._videoMetadata=null,this._videoTrack=null,this._audioTrack=null,this._onError=null,this._onMediaInfo=null,this._onMetaDataArrived=null,this._onScriptDataArrived=null,this._onTrackMetadata=null,this._onDataAvailable=null}static probe(e){let t=new Uint8Array(e),i={match:!1};if(t[0]!==70||t[1]!==76||t[2]!==86||t[3]!==1)return i;let s=(t[4]&4)>>>2!=0,r=(t[4]&1)!=0,n=Ne(t,5);return n<9?i:{match:!0,consumed:n,dataOffset:n,hasAudioTrack:s,hasVideoTrack:r}}bindDataSource(e){return e.onDataArrival=this.parseChunks.bind(this),this}get onTrackMetadata(){return this._onTrackMetadata}set onTrackMetadata(e){this._onTrackMetadata=e}get onMediaInfo(){return this._onMediaInfo}set onMediaInfo(e){this._onMediaInfo=e}get onMetaDataArrived(){return this._onMetaDataArrived}set onMetaDataArrived(e){this._onMetaDataArrived=e}get onScriptDataArrived(){return this._onScriptDataArrived}set onScriptDataArrived(e){this._onScriptDataArrived=e}get onError(){return this._onError}set onError(e){this._onError=e}get onDataAvailable(){return this._onDataAvailable}set onDataAvailable(e){this._onDataAvailable=e}get timestampBase(){return this._timestampBase}set timestampBase(e){this._timestampBase=e}get overridedDuration(){return this._duration}set overridedDuration(e){this._durationOverrided=!0,this._duration=e,this._mediaInfo.duration=e}set overridedHasAudio(e){this._hasAudioFlagOverrided=!0,this._hasAudio=e,this._mediaInfo.hasAudio=e}set overridedHasVideo(e){this._hasVideoFlagOverrided=!0,this._hasVideo=e,this._mediaInfo.hasVideo=e}resetMediaInfo(){this._mediaInfo=new le}_isInitialMetadataDispatched(){return this._hasAudio&&this._hasVideo?this._audioInitialMetadataDispatched&&this._videoInitialMetadataDispatched:this._hasAudio&&!this._hasVideo?this._audioInitialMetadataDispatched:!this._hasAudio&&this._hasVideo?this._videoInitialMetadataDispatched:!1}parseChunks(e,t){if(!this._onError||!this._onMediaInfo||!this._onTrackMetadata||!this._onDataAvailable)throw new G("Flv: onError & onMediaInfo & onTrackMetadata & onDataAvailable callback must be specified");let i=0,s=this._littleEndian;if(t===0)if(e.byteLength>13)i=he.probe(e).dataOffset;else return 0;for(this._firstParse&&(this._firstParse=!1,t+i!==this._dataOffset&&o.w(this.TAG,"First time parsing but chunk byteStart invalid!"),new DataView(e,i).getUint32(0,!s)!==0&&o.w(this.TAG,"PrevTagSize0 !== 0 !!!"),i+=4);i<e.byteLength;){this._dispatch=!0;let r=new DataView(e,i);if(i+11+4>e.byteLength)break;let n=r.getUint8(0),A=r.getUint32(0,!s)&16777215;if(i+11+A+4>e.byteLength)break;if(n!==8&&n!==9&&n!==18){o.w(this.TAG,`Unsupported tag type ${n}, skipped`),i+=11+A+4;continue}let h=r.getUint8(4),d=r.getUint8(5),f=r.getUint8(6),S=r.getUint8(7),u=f|d<<8|h<<16|S<<24;(r.getUint32(7,!s)&16777215)!==0&&o.w(this.TAG,"Meet tag which has StreamID != 0!");let _=i+11;switch(n){case 8:this._parseAudioData(e,_,A,u);break;case 9:this._parseVideoData(e,_,A,u,t+i);break;case 18:this._parseScriptData(e,_,A);break}let m=r.getUint32(11+A,!s);m!==11+A&&o.w(this.TAG,`Invalid PrevTagSize ${m}`),i+=11+A+4}return this._isInitialMetadataDispatched()&&this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack),i}_parseScriptData(e,t,i){let s=H.parseScriptData(e,t,i);if(s.hasOwnProperty("onMetaData")){if(s.onMetaData==null||typeof s.onMetaData!="object"){o.w(this.TAG,"Invalid onMetaData structure!");return}this._metadata&&o.w(this.TAG,"Found another onMetaData tag!"),this._metadata=s;let r=this._metadata.onMetaData;if(this._onMetaDataArrived&&this._onMetaDataArrived(Object.assign({},r)),typeof r.hasAudio=="boolean"&&this._hasAudioFlagOverrided===!1&&(this._hasAudio=r.hasAudio,this._mediaInfo.hasAudio=this._hasAudio),typeof r.hasVideo=="boolean"&&this._hasVideoFlagOverrided===!1&&(this._hasVideo=r.hasVideo,this._mediaInfo.hasVideo=this._hasVideo),typeof r.audiodatarate=="number"&&(this._mediaInfo.audioDataRate=r.audiodatarate),typeof r.videodatarate=="number"&&(this._mediaInfo.videoDataRate=r.videodatarate),typeof r.width=="number"&&(this._mediaInfo.width=r.width),typeof r.height=="number"&&(this._mediaInfo.height=r.height),typeof r.duration=="number"){if(!this._durationOverrided){let n=Math.floor(r.duration*this._timescale);this._duration=n,this._mediaInfo.duration=n}}else this._mediaInfo.duration=0;if(typeof r.framerate=="number"){let n=Math.floor(r.framerate*1e3);if(n>0){let A=n/1e3;this._referenceFrameRate.fixed=!0,this._referenceFrameRate.fps=A,this._referenceFrameRate.fps_num=n,this._referenceFrameRate.fps_den=1e3,this._mediaInfo.fps=A}}if(typeof r.keyframes=="object"){this._mediaInfo.hasKeyframesIndex=!0;let n=r.keyframes;this._mediaInfo.keyframesIndex=this._parseKeyframesIndex(n),r.keyframes=null}else this._mediaInfo.hasKeyframesIndex=!1;this._dispatch=!1,this._mediaInfo.metadata=r,o.v(this.TAG,"Parsed onMetaData"),this._mediaInfo.isComplete()&&this._onMediaInfo(this._mediaInfo)}Object.keys(s).length>0&&this._onScriptDataArrived&&this._onScriptDataArrived(Object.assign({},s))}_parseKeyframesIndex(e){let t=[],i=[];for(let s=1;s<e.times.length;s++){let r=this._timestampBase+Math.floor(e.times[s]*1e3);t.push(r),i.push(e.filepositions[s])}return{times:t,filepositions:i}}_parseAudioData(e,t,i,s){if(i<=1){o.w(this.TAG,"Flv: Invalid audio packet, missing SoundData payload!");return}if(this._hasAudioFlagOverrided===!0&&this._hasAudio===!1)return;let r=this._littleEndian,A=new DataView(e,t,i).getUint8(0),h=A>>>4;if(h!==2&&h!==10){this._onError(Q.CODEC_UNSUPPORTED,"Flv: Unsupported audio codec idx: "+h);return}let d=0,f=(A&12)>>>2;if(f>=0&&f<=4)d=this._flvSoundRateTable[f];else{this._onError(Q.FORMAT_ERROR,"Flv: Invalid audio sample rate idx: "+f);return}let S=A&1,u=this._audioMetadata,B=this._audioTrack;if(u||(this._hasAudio===!1&&this._hasAudioFlagOverrided===!1&&(this._hasAudio=!0,this._mediaInfo.hasAudio=!0),u=this._audioMetadata={},u.type="audio",u.id=B.id,u.timescale=this._timescale,u.duration=this._duration,u.audioSampleRate=d,u.channelCount=S===0?1:2),h===10){let _=this._parseAACAudioData(e,t+1,i-1);if(_==null)return;if(_.packetType===0){u.config&&o.w(this.TAG,"Found another AudioSpecificConfig!");let m=_.data;u.audioSampleRate=m.samplingRate,u.channelCount=m.channelCount,u.codec=m.codec,u.originalCodec=m.originalCodec,u.config=m.config,u.refSampleDuration=1024/u.audioSampleRate*u.timescale,o.v(this.TAG,"Parsed AudioSpecificConfig"),this._isInitialMetadataDispatched()?this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack):this._audioInitialMetadataDispatched=!0,this._dispatch=!1,this._onTrackMetadata("audio",u);let c=this._mediaInfo;c.audioCodec=u.originalCodec,c.audioSampleRate=u.audioSampleRate,c.audioChannelCount=u.channelCount,c.hasVideo?c.videoCodec!=null&&(c.mimeType='video/x-flv; codecs="'+c.videoCodec+","+c.audioCodec+'"'):c.mimeType='video/x-flv; codecs="'+c.audioCodec+'"',c.isComplete()&&this._onMediaInfo(c)}else if(_.packetType===1){let m=this._timestampBase+s,c={unit:_.data,length:_.data.byteLength,dts:m,pts:m};B.samples.push(c),B.length+=_.data.length}else o.e(this.TAG,`Flv: Unsupported AAC data type ${_.packetType}`)}else if(h===2){if(!u.codec){let p=this._parseMP3AudioData(e,t+1,i-1,!0);if(p==null)return;u.audioSampleRate=p.samplingRate,u.channelCount=p.channelCount,u.codec=p.codec,u.originalCodec=p.originalCodec,u.refSampleDuration=1152/u.audioSampleRate*u.timescale,o.v(this.TAG,"Parsed MPEG Audio Frame Header"),this._audioInitialMetadataDispatched=!0,this._onTrackMetadata("audio",u);let x=this._mediaInfo;x.audioCodec=u.codec,x.audioSampleRate=u.audioSampleRate,x.audioChannelCount=u.channelCount,x.audioDataRate=p.bitRate,x.hasVideo?x.videoCodec!=null&&(x.mimeType='video/x-flv; codecs="'+x.videoCodec+","+x.audioCodec+'"'):x.mimeType='video/x-flv; codecs="'+x.audioCodec+'"',x.isComplete()&&this._onMediaInfo(x)}let _=this._parseMP3AudioData(e,t+1,i-1,!1);if(_==null)return;let m=this._timestampBase+s,c={unit:_,length:_.byteLength,dts:m,pts:m};B.samples.push(c),B.length+=_.length}}_parseAACAudioData(e,t,i){if(i<=1){o.w(this.TAG,"Flv: Invalid AAC packet, missing AACPacketType or/and Data!");return}let s={},r=new Uint8Array(e,t,i);return s.packetType=r[0],r[0]===0?s.data=this._parseAACAudioSpecificConfig(e,t+1,i-1):s.data=r.subarray(1),s}_parseAACAudioSpecificConfig(e,t,i){let s=new Uint8Array(e,t,i),r=null,n=0,A=0,h=0,d=null;if(n=A=s[0]>>>3,h=(s[0]&7)<<1|s[1]>>>7,h<0||h>=this._mpegSamplingRates.length){this._onError(Q.FORMAT_ERROR,"Flv: AAC invalid sampling frequency index!");return}let f=this._mpegSamplingRates[h],S=(s[1]&120)>>>3;if(S<0||S>=8){this._onError(Q.FORMAT_ERROR,"Flv: AAC invalid channel configuration");return}n===5&&(d=(s[1]&7)<<1|s[2]>>>7);let u=self.navigator.userAgent.toLowerCase();return u.indexOf("firefox")!==-1?h>=6?(n=5,r=new Array(4),d=h-3):(n=2,r=new Array(2),d=h):u.indexOf("android")!==-1?(n=2,r=new Array(2),d=h):(n=5,d=h,r=new Array(4),h>=6?d=h-3:S===1&&(n=2,r=new Array(2),d=h)),r[0]=n<<3,r[0]|=(h&15)>>>1,r[1]=(h&15)<<7,r[1]|=(S&15)<<3,n===5&&(r[1]|=(d&15)>>>1,r[2]=(d&1)<<7,r[2]|=2<<2,r[3]=0),{config:r,samplingRate:f,channelCount:S,codec:"mp4a.40."+n,originalCodec:"mp4a.40."+A}}_parseMP3AudioData(e,t,i,s){if(i<4){o.w(this.TAG,"Flv: Invalid MP3 packet, header missing!");return}let r=this._littleEndian,n=new Uint8Array(e,t,i),A=null;if(s){if(n[0]!==255)return;let h=n[1]>>>3&3,d=(n[1]&6)>>1,f=(n[2]&240)>>>4,S=(n[2]&12)>>>2,B=(n[3]>>>6&3)!==3?2:1,_=0,m=0,c="mp3";switch(h){case 0:_=this._mpegAudioV25SampleRateTable[S];break;case 2:_=this._mpegAudioV20SampleRateTable[S];break;case 3:_=this._mpegAudioV10SampleRateTable[S];break}switch(d){case 1:f<this._mpegAudioL3BitRateTable.length&&(m=this._mpegAudioL3BitRateTable[f]);break;case 2:f<this._mpegAudioL2BitRateTable.length&&(m=this._mpegAudioL2BitRateTable[f]);break;case 3:f<this._mpegAudioL1BitRateTable.length&&(m=this._mpegAudioL1BitRateTable[f]);break}A={bitRate:m,samplingRate:_,channelCount:B,codec:c,originalCodec:c}}else A=n;return A}_parseVideoData(e,t,i,s,r){if(i<=1){o.w(this.TAG,"Flv: Invalid video packet, missing VideoData payload!");return}if(this._hasVideoFlagOverrided===!0&&this._hasVideo===!1)return;let n=new Uint8Array(e,t,i)[0],A=(n&240)>>>4,h=n&15;if(h!==7){this._onError(Q.CODEC_UNSUPPORTED,`Flv: Unsupported codec in video frame: ${h}`);return}this._parseAVCVideoPacket(e,t+1,i-1,s,r,A)}_parseAVCVideoPacket(e,t,i,s,r,n){if(i<4){o.w(this.TAG,"Flv: Invalid AVC packet, missing AVCPacketType or/and CompositionTime");return}let A=this._littleEndian,h=new DataView(e,t,i),d=h.getUint8(0),S=(h.getUint32(0,!A)&16777215)<<8>>8;if(d===0)this._parseAVCDecoderConfigurationRecord(e,t+4,i-4);else if(d===1)this._parseAVCVideoData(e,t+4,i-4,s,r,n,S);else if(d!==2){this._onError(Q.FORMAT_ERROR,`Flv: Invalid video packet type ${d}`);return}}_parseAVCDecoderConfigurationRecord(e,t,i){if(i<7){o.w(this.TAG,"Flv: Invalid AVCDecoderConfigurationRecord, lack of data!");return}let s=this._videoMetadata,r=this._videoTrack,n=this._littleEndian,A=new DataView(e,t,i);s?typeof s.avcc!="undefined"&&o.w(this.TAG,"Found another AVCDecoderConfigurationRecord!"):(this._hasVideo===!1&&this._hasVideoFlagOverrided===!1&&(this._hasVideo=!0,this._mediaInfo.hasVideo=!0),s=this._videoMetadata={},s.type="video",s.id=r.id,s.timescale=this._timescale,s.duration=this._duration);let h=A.getUint8(0),d=A.getUint8(1),f=A.getUint8(2),S=A.getUint8(3);if(h!==1||d===0){this._onError(Q.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord");return}if(this._naluLengthSize=(A.getUint8(4)&3)+1,this._naluLengthSize!==3&&this._naluLengthSize!==4){this._onError(Q.FORMAT_ERROR,`Flv: Strange NaluLengthSizeMinusOne: ${this._naluLengthSize-1}`);return}let u=A.getUint8(5)&31;if(u===0){this._onError(Q.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No SPS");return}else u>1&&o.w(this.TAG,`Flv: Strange AVCDecoderConfigurationRecord: SPS Count = ${u}`);let B=6;for(let m=0;m<u;m++){let c=A.getUint16(B,!n);if(B+=2,c===0)continue;let p=new Uint8Array(e,t+B,c);B+=c;let x=K.parseSPS(p);if(m!==0)continue;s.codecWidth=x.codec_size.width,s.codecHeight=x.codec_size.height,s.presentWidth=x.present_size.width,s.presentHeight=x.present_size.height,s.profile=x.profile_string,s.level=x.level_string,s.bitDepth=x.bit_depth,s.chromaFormat=x.chroma_format,s.sarRatio=x.sar_ratio,s.frameRate=x.frame_rate,(x.frame_rate.fixed===!1||x.frame_rate.fps_num===0||x.frame_rate.fps_den===0)&&(s.frameRate=this._referenceFrameRate);let b=s.frameRate.fps_den,I=s.frameRate.fps_num;s.refSampleDuration=s.timescale*(b/I);let V=p.subarray(1,4),C="avc1.";for(let U=0;U<3;U++){let F=V[U].toString(16);F.length<2&&(F="0"+F),C+=F}s.codec=C;let g=this._mediaInfo;g.width=s.codecWidth,g.height=s.codecHeight,g.fps=s.frameRate.fps,g.profile=s.profile,g.level=s.level,g.refFrames=x.ref_frames,g.chromaFormat=x.chroma_format_string,g.sarNum=s.sarRatio.width,g.sarDen=s.sarRatio.height,g.videoCodec=C,g.hasAudio?g.audioCodec!=null&&(g.mimeType='video/x-flv; codecs="'+g.videoCodec+","+g.audioCodec+'"'):g.mimeType='video/x-flv; codecs="'+g.videoCodec+'"',g.isComplete()&&this._onMediaInfo(g)}let _=A.getUint8(B);if(_===0){this._onError(Q.FORMAT_ERROR,"Flv: Invalid AVCDecoderConfigurationRecord: No PPS");return}else _>1&&o.w(this.TAG,`Flv: Strange AVCDecoderConfigurationRecord: PPS Count = ${_}`);B++;for(let m=0;m<_;m++){let c=A.getUint16(B,!n);B+=2,c!==0&&(B+=c)}s.avcc=new Uint8Array(i),s.avcc.set(new Uint8Array(e,t,i),0),o.v(this.TAG,"Parsed AVCDecoderConfigurationRecord"),this._isInitialMetadataDispatched()?this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack):this._videoInitialMetadataDispatched=!0,this._dispatch=!1,this._onTrackMetadata("video",s)}_parseAVCVideoData(e,t,i,s,r,n,A){let h=this._littleEndian,d=new DataView(e,t,i),f=[],S=0,u=0;const B=this._naluLengthSize;let _=this._timestampBase+s,m=n===1;for(;u<i;){if(u+4>=i){o.w(this.TAG,`Malformed Nalu near timestamp ${_}, offset = ${u}, dataSize = ${i}`);break}let c=d.getUint32(u,!h);if(B===3&&(c>>>=8),c>i-B){o.w(this.TAG,`Malformed Nalus near timestamp ${_}, NaluSize > DataSize!`);return}let p=d.getUint8(u+B)&31;p===5&&(m=!0);let x=new Uint8Array(e,t+u,B+c),b={type:p,data:x};f.push(b),S+=x.byteLength,u+=B+c}if(f.length){let c=this._videoTrack,p={units:f,length:S,isKeyframe:m,dts:_,cts:A,pts:_+A};m&&(p.fileposition=r),c.samples.push(p),c.length+=S}}}class l{static init(){l.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[]};for(let t in l.types)l.types.hasOwnProperty(t)&&(l.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);let e=l.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,i=null,s=Array.prototype.slice.call(arguments,1),r=s.length;for(let A=0;A<r;A++)t+=s[A].byteLength;i=new Uint8Array(t),i[0]=t>>>24&255,i[1]=t>>>16&255,i[2]=t>>>8&255,i[3]=t&255,i.set(e,4);let n=8;for(let A=0;A<r;A++)i.set(s[A],n),n+=s[A].byteLength;return i}static generateInitSegment(e){let t=l.box(l.types.ftyp,l.constants.FTYP),i=l.moov(e),s=new Uint8Array(t.byteLength+i.byteLength);return s.set(t,0),s.set(i,t.byteLength),s}static moov(e){let t=l.mvhd(e.timescale,e.duration),i=l.trak(e),s=l.mvex(e);return l.box(l.types.moov,t,i,s)}static mvhd(e,t){return l.box(l.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,e&255,t>>>24&255,t>>>16&255,t>>>8&255,t&255,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(e){return l.box(l.types.trak,l.tkhd(e),l.mdia(e))}static tkhd(e){let t=e.id,i=e.duration,s=e.presentWidth,r=e.presentHeight;return l.box(l.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,t&255,0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,i&255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,s>>>8&255,s&255,0,0,r>>>8&255,r&255,0,0]))}static mdia(e){return l.box(l.types.mdia,l.mdhd(e),l.hdlr(e),l.minf(e))}static mdhd(e){let t=e.timescale,i=e.duration;return l.box(l.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,t&255,i>>>24&255,i>>>16&255,i>>>8&255,i&255,85,196,0,0]))}static hdlr(e){let t=null;return e.type==="audio"?t=l.constants.HDLR_AUDIO:t=l.constants.HDLR_VIDEO,l.box(l.types.hdlr,t)}static minf(e){let t=null;return e.type==="audio"?t=l.box(l.types.smhd,l.constants.SMHD):t=l.box(l.types.vmhd,l.constants.VMHD),l.box(l.types.minf,t,l.dinf(),l.stbl(e))}static dinf(){return l.box(l.types.dinf,l.box(l.types.dref,l.constants.DREF))}static stbl(e){return l.box(l.types.stbl,l.stsd(e),l.box(l.types.stts,l.constants.STTS),l.box(l.types.stsc,l.constants.STSC),l.box(l.types.stsz,l.constants.STSZ),l.box(l.types.stco,l.constants.STCO))}static stsd(e){return e.type==="audio"?e.codec==="mp3"?l.box(l.types.stsd,l.constants.STSD_PREFIX,l.mp3(e)):l.box(l.types.stsd,l.constants.STSD_PREFIX,l.mp4a(e)):l.box(l.types.stsd,l.constants.STSD_PREFIX,l.avc1(e))}static mp3(e){let t=e.channelCount,i=e.audioSampleRate,s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,i>>>8&255,i&255,0,0]);return l.box(l.types[".mp3"],s)}static mp4a(e){let t=e.channelCount,i=e.audioSampleRate,s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,i>>>8&255,i&255,0,0]);return l.box(l.types.mp4a,s,l.esds(e))}static esds(e){let t=e.config||[],i=t.length,s=new Uint8Array([0,0,0,0,3,23+i,0,1,0,4,15+i,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([i]).concat(t).concat([6,1,2]));return l.box(l.types.esds,s)}static avc1(e){let t=e.avcc,i=e.codecWidth,s=e.codecHeight,r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,i>>>8&255,i&255,s>>>8&255,s&255,0,72,0,0,0,72,0,0,0,0,0,0,0,1,10,120,113,113,47,102,108,118,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return l.box(l.types.avc1,r,l.box(l.types.avcC,t))}static mvex(e){return l.box(l.types.mvex,l.trex(e))}static trex(e){let t=e.id,i=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,t&255,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return l.box(l.types.trex,i)}static moof(e,t){return l.box(l.types.moof,l.mfhd(e.sequenceNumber),l.traf(e,t))}static mfhd(e){let t=new Uint8Array([0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,e&255]);return l.box(l.types.mfhd,t)}static traf(e,t){let i=e.id,s=l.box(l.types.tfhd,new Uint8Array([0,0,0,0,i>>>24&255,i>>>16&255,i>>>8&255,i&255])),r=l.box(l.types.tfdt,new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,t&255])),n=l.sdtp(e),A=l.trun(e,n.byteLength+16+16+8+16+8+8);return l.box(l.types.traf,s,r,A,n)}static sdtp(e){let t=e.samples||[],i=t.length,s=new Uint8Array(4+i);for(let r=0;r<i;r++){let n=t[r].flags;s[r+4]=n.isLeading<<6|n.dependsOn<<4|n.isDependedOn<<2|n.hasRedundancy}return l.box(l.types.sdtp,s)}static trun(e,t){let i=e.samples||[],s=i.length,r=12+16*s,n=new Uint8Array(r);t+=8+r,n.set([0,0,15,1,s>>>24&255,s>>>16&255,s>>>8&255,s&255,t>>>24&255,t>>>16&255,t>>>8&255,t&255],0);for(let A=0;A<s;A++){let h=i[A].duration,d=i[A].size,f=i[A].flags,S=i[A].cts;n.set([h>>>24&255,h>>>16&255,h>>>8&255,h&255,d>>>24&255,d>>>16&255,d>>>8&255,d&255,f.isLeading<<2|f.dependsOn,f.isDependedOn<<6|f.hasRedundancy<<4|f.isNonSync,0,0,S>>>24&255,S>>>16&255,S>>>8&255,S&255],12+16*A)}return l.box(l.types.trun,n)}static mdat(e){return l.box(l.types.mdat,e)}}l.init();class we{static getSilentFrame(e,t){if(e==="mp4a.40.2"){if(t===1)return new Uint8Array([0,200,0,128,35,128]);if(t===2)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(t===3)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(t===4)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(t===5)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(t===6)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224])}else{if(t===1)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(t===2)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(t===3)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null}}class ne{constructor(e,t,i,s,r){this.dts=e,this.pts=t,this.duration=i,this.originalDts=s,this.isSyncPoint=r,this.fileposition=null}}class Re{constructor(){this.beginDts=0,this.endDts=0,this.beginPts=0,this.endPts=0,this.originalBeginDts=0,this.originalEndDts=0,this.syncPoints=[],this.firstSample=null,this.lastSample=null}appendSyncPoint(e){e.isSyncPoint=!0,this.syncPoints.push(e)}}class Ge{constructor(){this._list=[]}clear(){this._list=[]}appendArray(e){let t=this._list;e.length!==0&&(t.length>0&&e[0].originalDts<t[t.length-1].originalDts&&this.clear(),Array.prototype.push.apply(t,e))}getLastSyncPointBeforeDts(e){if(this._list.length==0)return null;let t=this._list,i=0,s=t.length-1,r=0,n=0,A=s;for(e<t[0].dts&&(i=0,n=A+1);n<=A;)if(r=n+Math.floor((A-n)/2),r===s||e>=t[r].dts&&e<t[r+1].dts){i=r;break}else t[r].dts<e?n=r+1:A=r-1;return this._list[i]}}class ye{constructor(e){this._type=e,this._list=[],this._lastAppendLocation=-1}get type(){return this._type}get length(){return this._list.length}isEmpty(){return this._list.length===0}clear(){this._list=[],this._lastAppendLocation=-1}_searchNearestSegmentBefore(e){let t=this._list;if(t.length===0)return-2;let i=t.length-1,s=0,r=0,n=i,A=0;if(e<t[0].originalBeginDts)return A=-1,A;for(;r<=n;)if(s=r+Math.floor((n-r)/2),s===i||e>t[s].lastSample.originalDts&&e<t[s+1].originalBeginDts){A=s;break}else t[s].originalBeginDts<e?r=s+1:n=s-1;return A}_searchNearestSegmentAfter(e){return this._searchNearestSegmentBefore(e)+1}append(e){let t=this._list,i=e,s=this._lastAppendLocation,r=0;s!==-1&&s<t.length&&i.originalBeginDts>=t[s].lastSample.originalDts&&(s===t.length-1||s<t.length-1&&i.originalBeginDts<t[s+1].originalBeginDts)?r=s+1:t.length>0&&(r=this._searchNearestSegmentBefore(i.originalBeginDts)+1),this._lastAppendLocation=r,this._list.splice(r,0,i)}getLastSegmentBefore(e){let t=this._searchNearestSegmentBefore(e);return t>=0?this._list[t]:null}getLastSampleBefore(e){let t=this.getLastSegmentBefore(e);return t!=null?t.lastSample:null}getLastSyncPointBefore(e){let t=this._searchNearestSegmentBefore(e),i=this._list[t].syncPoints;for(;i.length===0&&t>0;)t--,i=this._list[t].syncPoints;return i.length>0?i[i.length-1]:null}}class He{constructor(e){this.TAG="MP4Remuxer",this._config=e,this._isLive=e.isLive===!0,this._dtsBase=-1,this._dtsBaseInited=!1,this._audioDtsBase=Infinity,this._videoDtsBase=Infinity,this._audioNextDts=void 0,this._videoNextDts=void 0,this._audioStashedLastSample=null,this._videoStashedLastSample=null,this._audioMeta=null,this._videoMeta=null,this._audioSegmentInfoList=new ye("audio"),this._videoSegmentInfoList=new ye("video"),this._onInitSegment=null,this._onMediaSegment=null,this._forceFirstIDR=!!(R.chrome&&(R.version.major<50||R.version.major===50&&R.version.build<2661)),this._fillSilentAfterSeek=R.msedge||R.msie,this._mp3UseMpegAudio=!R.firefox,this._fillAudioTimestampGap=this._config.fixAudioTimestampGap}destroy(){this._dtsBase=-1,this._dtsBaseInited=!1,this._audioMeta=null,this._videoMeta=null,this._audioSegmentInfoList.clear(),this._audioSegmentInfoList=null,this._videoSegmentInfoList.clear(),this._videoSegmentInfoList=null,this._onInitSegment=null,this._onMediaSegment=null}bindDataSource(e){return e.onDataAvailable=this.remux.bind(this),e.onTrackMetadata=this._onTrackMetadataReceived.bind(this),this}get onInitSegment(){return this._onInitSegment}set onInitSegment(e){this._onInitSegment=e}get onMediaSegment(){return this._onMediaSegment}set onMediaSegment(e){this._onMediaSegment=e}insertDiscontinuity(){this._audioNextDts=this._videoNextDts=void 0}seek(e){this._audioStashedLastSample=null,this._videoStashedLastSample=null,this._videoSegmentInfoList.clear(),this._audioSegmentInfoList.clear()}remux(e,t){if(!this._onMediaSegment)throw new G("MP4Remuxer: onMediaSegment callback must be specificed!");this._dtsBaseInited||this._calculateDtsBase(e,t),this._remuxVideo(t),this._remuxAudio(e)}_onTrackMetadataReceived(e,t){let i=null,s="mp4",r=t.codec;if(e==="audio")this._audioMeta=t,t.codec==="mp3"&&this._mp3UseMpegAudio?(s="mpeg",r="",i=new Uint8Array):i=l.generateInitSegment(t);else if(e==="video")this._videoMeta=t,i=l.generateInitSegment(t);else return;if(!this._onInitSegment)throw new G("MP4Remuxer: onInitSegment callback must be specified!");this._onInitSegment(e,{type:e,data:i.buffer,codec:r,container:`${e}/${s}`,mediaDuration:t.duration})}_calculateDtsBase(e,t){this._dtsBaseInited||(e.samples&&e.samples.length&&(this._audioDtsBase=e.samples[0].dts),t.samples&&t.samples.length&&(this._videoDtsBase=t.samples[0].dts),this._dtsBase=Math.min(this._audioDtsBase,this._videoDtsBase),this._dtsBaseInited=!0)}flushStashedSamples(){let e=this._videoStashedLastSample,t=this._audioStashedLastSample,i={type:"video",id:1,sequenceNumber:0,samples:[],length:0};e!=null&&(i.samples.push(e),i.length=e.length);let s={type:"audio",id:2,sequenceNumber:0,samples:[],length:0};t!=null&&(s.samples.push(t),s.length=t.length),this._videoStashedLastSample=null,this._audioStashedLastSample=null,this._remuxVideo(i,!0),this._remuxAudio(s,!0)}_remuxAudio(e,t){if(this._audioMeta==null)return;let i=e,s=i.samples,r,n=-1,A=-1,h=this._audioMeta.refSampleDuration,d=this._audioMeta.codec==="mp3"&&this._mp3UseMpegAudio,f=this._dtsBaseInited&&this._audioNextDts===void 0,S=!1;if(!s||s.length===0||s.length===1&&!t)return;let u=0,B=null,_=0;d?(u=0,_=i.length):(u=8,_=8+i.length);let m=null;if(s.length>1&&(m=s.pop(),_-=m.length),this._audioStashedLastSample!=null){let C=this._audioStashedLastSample;this._audioStashedLastSample=null,s.unshift(C),_+=C.length}m!=null&&(this._audioStashedLastSample=m);let c=s[0].dts-this._dtsBase;if(this._audioNextDts)r=c-this._audioNextDts;else if(this._audioSegmentInfoList.isEmpty())r=0,this._fillSilentAfterSeek&&!this._videoSegmentInfoList.isEmpty()&&this._audioMeta.originalCodec!=="mp3"&&(S=!0);else{let C=this._audioSegmentInfoList.getLastSampleBefore(c);if(C!=null){let g=c-(C.originalDts+C.duration);g<=3&&(g=0);let U=C.dts+C.duration+g;r=c-U}else r=0}if(S){let C=c-r,g=this._videoSegmentInfoList.getLastSegmentBefore(c);if(g!=null&&g.beginDts<C){let U=we.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);if(U){let F=g.beginDts,L=C-g.beginDts;o.v(this.TAG,`InsertPrefixSilentAudio: dts: ${F}, duration: ${L}`),s.unshift({unit:U,dts:F,pts:F}),_+=U.byteLength}}else S=!1}let p=[];for(let C=0;C<s.length;C++){let g=s[C],U=g.unit,F=g.dts-this._dtsBase,L=F-r;n===-1&&(n=L);let k=0;C!==s.length-1?k=s[C+1].dts-this._dtsBase-r-L:m!=null?k=m.dts-this._dtsBase-r-L:p.length>=1?k=p[p.length-1].duration:k=Math.floor(h);let ge=!1,Y=null;if(k>h*1.5&&this._audioMeta.codec!=="mp3"&&this._fillAudioTimestampGap&&!R.safari){ge=!0;let J=Math.abs(k-h),$=Math.ceil(J/h),ee=L+h;o.w(this.TAG,`Large audio timestamp gap detected, may cause AV sync to drift. Silent frames will be generated to avoid unsync.\ndts: ${L+k} ms, expected: ${L+Math.round(h)} ms, delta: ${Math.round(J)} ms, generate: ${$} frames`);let X=we.getSilentFrame(this._audioMeta.originalCodec,this._audioMeta.channelCount);X==null&&(o.w(this.TAG,`Unable to generate silent frame for ${this._audioMeta.originalCodec} with ${this._audioMeta.channelCount} channels, repeat last frame`),X=U),Y=[];for(let M=0;M<$;M++){let N=Math.round(ee);if(Y.length>0){let Ie=Y[Y.length-1];Ie.duration=N-Ie.dts}let ue={dts:N,pts:N,cts:0,unit:X,size:X.byteLength,duration:0,originalDts:F,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}};Y.push(ue),_+=ue.size,ee+=h}let de=Y[Y.length-1];de.duration=L+k-de.dts,k=Math.round(h)}p.push({dts:L,pts:L,cts:0,unit:g.unit,size:g.unit.byteLength,duration:k,originalDts:F,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}}),ge&&p.push.apply(p,Y)}d?B=new Uint8Array(_):(B=new Uint8Array(_),B[0]=_>>>24&255,B[1]=_>>>16&255,B[2]=_>>>8&255,B[3]=_&255,B.set(l.types.mdat,4));for(let C=0;C<p.length;C++){let g=p[C].unit;B.set(g,u),u+=g.byteLength}let x=p[p.length-1];A=x.dts+x.duration,this._audioNextDts=A;let b=new Re;b.beginDts=n,b.endDts=A,b.beginPts=n,b.endPts=A,b.originalBeginDts=p[0].originalDts,b.originalEndDts=x.originalDts+x.duration,b.firstSample=new ne(p[0].dts,p[0].pts,p[0].duration,p[0].originalDts,!1),b.lastSample=new ne(x.dts,x.pts,x.duration,x.originalDts,!1),this._isLive||this._audioSegmentInfoList.append(b),i.samples=p,i.sequenceNumber++;let I=null;d?I=new Uint8Array:I=l.moof(i,n),i.samples=[],i.length=0;let V={type:"audio",data:this._mergeBoxes(I,B).buffer,sampleCount:p.length,info:b};d&&f&&(V.timestampOffset=n),this._onMediaSegment("audio",V)}_remuxVideo(e,t){if(this._videoMeta==null)return;let i=e,s=i.samples,r,n=-1,A=-1,h=-1,d=-1;if(!s||s.length===0||s.length===1&&!t)return;let f=8,S=null,u=8+e.length,B=null;if(s.length>1&&(B=s.pop(),u-=B.length),this._videoStashedLastSample!=null){let b=this._videoStashedLastSample;this._videoStashedLastSample=null,s.unshift(b),u+=b.length}B!=null&&(this._videoStashedLastSample=B);let _=s[0].dts-this._dtsBase;if(this._videoNextDts)r=_-this._videoNextDts;else if(this._videoSegmentInfoList.isEmpty())r=0;else{let b=this._videoSegmentInfoList.getLastSampleBefore(_);if(b!=null){let I=_-(b.originalDts+b.duration);I<=3&&(I=0);let V=b.dts+b.duration+I;r=_-V}else r=0}let m=new Re,c=[];for(let b=0;b<s.length;b++){let I=s[b],V=I.dts-this._dtsBase,C=I.isKeyframe,g=V-r,U=I.cts,F=g+U;n===-1&&(n=g,h=F);let L=0;if(b!==s.length-1?L=s[b+1].dts-this._dtsBase-r-g:B!=null?L=B.dts-this._dtsBase-r-g:c.length>=1?L=c[c.length-1].duration:L=Math.floor(this._videoMeta.refSampleDuration),C){let k=new ne(g,F,L,I.dts,!0);k.fileposition=I.fileposition,m.appendSyncPoint(k)}c.push({dts:g,pts:F,cts:U,units:I.units,size:I.length,isKeyframe:C,duration:L,originalDts:V,flags:{isLeading:0,dependsOn:C?2:1,isDependedOn:C?1:0,hasRedundancy:0,isNonSync:C?0:1}})}S=new Uint8Array(u),S[0]=u>>>24&255,S[1]=u>>>16&255,S[2]=u>>>8&255,S[3]=u&255,S.set(l.types.mdat,4);for(let b=0;b<c.length;b++){let I=c[b].units;for(;I.length;){let C=I.shift().data;S.set(C,f),f+=C.byteLength}}let p=c[c.length-1];if(A=p.dts+p.duration,d=p.pts+p.duration,this._videoNextDts=A,m.beginDts=n,m.endDts=A,m.beginPts=h,m.endPts=d,m.originalBeginDts=c[0].originalDts,m.originalEndDts=p.originalDts+p.duration,m.firstSample=new ne(c[0].dts,c[0].pts,c[0].duration,c[0].originalDts,c[0].isKeyframe),m.lastSample=new ne(p.dts,p.pts,p.duration,p.originalDts,p.isKeyframe),this._isLive||this._videoSegmentInfoList.append(m),i.samples=c,i.sequenceNumber++,this._forceFirstIDR){let b=c[0].flags;b.dependsOn=2,b.isNonSync=0}let x=l.moof(i,n);i.samples=[],i.length=0,this._onMediaSegment("video",{type:"video",data:this._mergeBoxes(x,S).buffer,sampleCount:c.length,info:m})}_mergeBoxes(e,t){let i=new Uint8Array(e.byteLength+t.byteLength);return i.set(e,0),i.set(t,e.byteLength),i}}const E={IO_ERROR:"io_error",DEMUX_ERROR:"demux_error",INIT_SEGMENT:"init_segment",MEDIA_SEGMENT:"media_segment",LOADING_COMPLETE:"loading_complete",RECOVERED_EARLY_EOF:"recovered_early_eof",MEDIA_INFO:"media_info",METADATA_ARRIVED:"metadata_arrived",SCRIPTDATA_ARRIVED:"scriptdata_arrived",STATISTICS_INFO:"statistics_info",RECOMMEND_SEEKPOINT:"recommend_seekpoint"};class Qe{constructor(e,t){this.TAG="TransmuxingController",this._emitter=new y,this._config=t,e.segments||(e.segments=[{duration:e.duration,filesize:e.filesize,url:e.url}]),typeof e.cors!="boolean"&&(e.cors=!0),typeof e.withCredentials!="boolean"&&(e.withCredentials=!1),this._mediaDataSource=e,this._currentSegmentIndex=0;let i=0;this._mediaDataSource.segments.forEach(s=>{s.timestampBase=i,i+=s.duration,s.cors=e.cors,s.withCredentials=e.withCredentials,t.referrerPolicy&&(s.referrerPolicy=t.referrerPolicy)}),!isNaN(i)&&this._mediaDataSource.duration!==i&&(this._mediaDataSource.duration=i),this._mediaInfo=null,this._demuxer=null,this._remuxer=null,this._ioctl=null,this._pendingSeekTime=null,this._pendingResolveSeekPoint=null,this._statisticsReporter=null}destroy(){this._mediaInfo=null,this._mediaDataSource=null,this._statisticsReporter&&this._disableStatisticsReporter(),this._ioctl&&(this._ioctl.destroy(),this._ioctl=null),this._demuxer&&(this._demuxer.destroy(),this._demuxer=null),this._remuxer&&(this._remuxer.destroy(),this._remuxer=null),this._emitter.removeAllListeners(),this._emitter=null}on(e,t){this._emitter.addListener(e,t)}off(e,t){this._emitter.removeListener(e,t)}start(){this._loadSegment(0),this._enableStatisticsReporter()}_loadSegment(e,t){this._currentSegmentIndex=e;let i=this._mediaDataSource.segments[e],s=this._ioctl=new _e(i,this._config,e);s.onError=this._onIOException.bind(this),s.onSeeked=this._onIOSeeked.bind(this),s.onComplete=this._onIOComplete.bind(this),s.onRedirect=this._onIORedirect.bind(this),s.onRecoveredEarlyEof=this._onIORecoveredEarlyEof.bind(this),t?this._demuxer.bindDataSource(this._ioctl):s.onDataArrival=this._onInitChunkArrival.bind(this),s.open(t)}stop(){this._internalAbort(),this._disableStatisticsReporter()}_internalAbort(){this._ioctl&&(this._ioctl.destroy(),this._ioctl=null)}pause(){this._ioctl&&this._ioctl.isWorking()&&(this._ioctl.pause(),this._disableStatisticsReporter())}resume(){this._ioctl&&this._ioctl.isPaused()&&(this._ioctl.resume(),this._enableStatisticsReporter())}seek(e){if(this._mediaInfo==null||!this._mediaInfo.isSeekable())return;let t=this._searchSegmentIndexContains(e);if(t===this._currentSegmentIndex){let i=this._mediaInfo.segments[t];if(i==null)this._pendingSeekTime=e;else{let s=i.getNearestKeyframe(e);this._remuxer.seek(s.milliseconds),this._ioctl.seek(s.fileposition),this._pendingResolveSeekPoint=s.milliseconds}}else{let i=this._mediaInfo.segments[t];if(i==null)this._pendingSeekTime=e,this._internalAbort(),this._remuxer.seek(),this._remuxer.insertDiscontinuity(),this._loadSegment(t);else{let s=i.getNearestKeyframe(e);this._internalAbort(),this._remuxer.seek(e),this._remuxer.insertDiscontinuity(),this._demuxer.resetMediaInfo(),this._demuxer.timestampBase=this._mediaDataSource.segments[t].timestampBase,this._loadSegment(t,s.fileposition),this._pendingResolveSeekPoint=s.milliseconds,this._reportSegmentMediaInfo(t)}}this._enableStatisticsReporter()}_searchSegmentIndexContains(e){let t=this._mediaDataSource.segments,i=t.length-1;for(let s=0;s<t.length;s++)if(e<t[s].timestampBase){i=s-1;break}return i}_onInitChunkArrival(e,t){let i=null,s=0;if(t>0)this._demuxer.bindDataSource(this._ioctl),this._demuxer.timestampBase=this._mediaDataSource.segments[this._currentSegmentIndex].timestampBase,s=this._demuxer.parseChunks(e,t);else if((i=he.probe(e)).match){this._demuxer=new he(i,this._config),this._remuxer||(this._remuxer=new He(this._config));let r=this._mediaDataSource;r.duration!=null&&!isNaN(r.duration)&&(this._demuxer.overridedDuration=r.duration),typeof r.hasAudio=="boolean"&&(this._demuxer.overridedHasAudio=r.hasAudio),typeof r.hasVideo=="boolean"&&(this._demuxer.overridedHasVideo=r.hasVideo),this._demuxer.timestampBase=r.segments[this._currentSegmentIndex].timestampBase,this._demuxer.onError=this._onDemuxException.bind(this),this._demuxer.onMediaInfo=this._onMediaInfo.bind(this),this._demuxer.onMetaDataArrived=this._onMetaDataArrived.bind(this),this._demuxer.onScriptDataArrived=this._onScriptDataArrived.bind(this),this._remuxer.bindDataSource(this._demuxer.bindDataSource(this._ioctl)),this._remuxer.onInitSegment=this._onRemuxerInitSegmentArrival.bind(this),this._remuxer.onMediaSegment=this._onRemuxerMediaSegmentArrival.bind(this),s=this._demuxer.parseChunks(e,t)}else i=null,o.e(this.TAG,"Non-FLV, Unsupported media type!"),Promise.resolve().then(()=>{this._internalAbort()}),this._emitter.emit(E.DEMUX_ERROR,Q.FORMAT_UNSUPPORTED,"Non-FLV, Unsupported media type"),s=0;return s}_onMediaInfo(e){this._mediaInfo==null&&(this._mediaInfo=Object.assign({},e),this._mediaInfo.keyframesIndex=null,this._mediaInfo.segments=[],this._mediaInfo.segmentCount=this._mediaDataSource.segments.length,Object.setPrototypeOf(this._mediaInfo,le.prototype));let t=Object.assign({},e);Object.setPrototypeOf(t,le.prototype),this._mediaInfo.segments[this._currentSegmentIndex]=t,this._reportSegmentMediaInfo(this._currentSegmentIndex),this._pendingSeekTime!=null&&Promise.resolve().then(()=>{let i=this._pendingSeekTime;this._pendingSeekTime=null,this.seek(i)})}_onMetaDataArrived(e){this._emitter.emit(E.METADATA_ARRIVED,e)}_onScriptDataArrived(e){this._emitter.emit(E.SCRIPTDATA_ARRIVED,e)}_onIOSeeked(){this._remuxer.insertDiscontinuity()}_onIOComplete(e){let i=e+1;i<this._mediaDataSource.segments.length?(this._internalAbort(),this._remuxer.flushStashedSamples(),this._loadSegment(i)):(this._remuxer.flushStashedSamples(),this._emitter.emit(E.LOADING_COMPLETE),this._disableStatisticsReporter())}_onIORedirect(e){let t=this._ioctl.extraData;this._mediaDataSource.segments[t].redirectedURL=e}_onIORecoveredEarlyEof(){this._emitter.emit(E.RECOVERED_EARLY_EOF)}_onIOException(e,t){o.e(this.TAG,`IOException: type = ${e}, code = ${t.code}, msg = ${t.msg}`),this._emitter.emit(E.IO_ERROR,e,t),this._disableStatisticsReporter()}_onDemuxException(e,t){o.e(this.TAG,`DemuxException: type = ${e}, info = ${t}`),this._emitter.emit(E.DEMUX_ERROR,e,t)}_onRemuxerInitSegmentArrival(e,t){this._emitter.emit(E.INIT_SEGMENT,e,t)}_onRemuxerMediaSegmentArrival(e,t){if(this._pendingSeekTime==null&&(this._emitter.emit(E.MEDIA_SEGMENT,e,t),this._pendingResolveSeekPoint!=null&&e==="video")){let i=t.info.syncPoints,s=this._pendingResolveSeekPoint;this._pendingResolveSeekPoint=null,R.safari&&i.length>0&&i[0].originalDts===s&&(s=i[0].pts),this._emitter.emit(E.RECOMMEND_SEEKPOINT,s)}}_enableStatisticsReporter(){this._statisticsReporter==null&&(this._statisticsReporter=self.setInterval(this._reportStatisticsInfo.bind(this),this._config.statisticsInfoReportInterval))}_disableStatisticsReporter(){this._statisticsReporter&&(self.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}_reportSegmentMediaInfo(e){let t=this._mediaInfo.segments[e],i=Object.assign({},t);i.duration=this._mediaInfo.duration,i.segmentCount=this._mediaInfo.segmentCount,delete i.segments,delete i.keyframesIndex,this._emitter.emit(E.MEDIA_INFO,i)}_reportStatisticsInfo(){let e={};e.url=this._ioctl.currentURL,e.hasRedirect=this._ioctl.hasRedirect,e.hasRedirect&&(e.redirectedURL=this._ioctl.currentRedirectedURL),e.speed=this._ioctl.currentSpeed,e.loaderType=this._ioctl.loaderType,e.currentSegmentIndex=this._currentSegmentIndex,e.totalSegmentCount=this._mediaDataSource.segments.length,this._emitter.emit(E.STATISTICS_INFO,e)}}class je{constructor(e,t){if(this.TAG="Transmuxer",this._emitter=new y,this._controller=new Qe(e,t),this._controller){let i=this._controller;i.on(E.IO_ERROR,this._onIOError.bind(this)),i.on(E.DEMUX_ERROR,this._onDemuxError.bind(this)),i.on(E.INIT_SEGMENT,this._onInitSegment.bind(this)),i.on(E.MEDIA_SEGMENT,this._onMediaSegment.bind(this)),i.on(E.LOADING_COMPLETE,this._onLoadingComplete.bind(this)),i.on(E.RECOVERED_EARLY_EOF,this._onRecoveredEarlyEof.bind(this)),i.on(E.MEDIA_INFO,this._onMediaInfo.bind(this)),i.on(E.METADATA_ARRIVED,this._onMetaDataArrived.bind(this)),i.on(E.SCRIPTDATA_ARRIVED,this._onScriptDataArrived.bind(this)),i.on(E.STATISTICS_INFO,this._onStatisticsInfo.bind(this)),i.on(E.RECOMMEND_SEEKPOINT,this._onRecommendSeekpoint.bind(this))}}destroy(){this._controller.destroy(),this._controller=null,this._emitter.removeAllListeners(),this._emitter=null}on(e,t){this._emitter.addListener(e,t)}off(e,t){this._emitter.removeListener(e,t)}hasWorker(){return this._worker!=null}open(){this._controller.start()}close(){this._controller.stop()}seek(e){this._controller.seek(e)}pause(){this._controller.pause()}resume(){this._controller.resume()}_onInitSegment(e,t){Promise.resolve().then(()=>{this._emitter.emit(E.INIT_SEGMENT,e,t)})}_onMediaSegment(e,t){Promise.resolve().then(()=>{this._emitter.emit(E.MEDIA_SEGMENT,e,t)})}_onLoadingComplete(){Promise.resolve().then(()=>{this._emitter.emit(E.LOADING_COMPLETE)})}_onRecoveredEarlyEof(){Promise.resolve().then(()=>{this._emitter.emit(E.RECOVERED_EARLY_EOF)})}_onMediaInfo(e){Promise.resolve().then(()=>{this._emitter.emit(E.MEDIA_INFO,e)})}_onMetaDataArrived(e){Promise.resolve().then(()=>{this._emitter.emit(E.METADATA_ARRIVED,e)})}_onScriptDataArrived(e){Promise.resolve().then(()=>{this._emitter.emit(E.SCRIPTDATA_ARRIVED,e)})}_onStatisticsInfo(e){Promise.resolve().then(()=>{this._emitter.emit(E.STATISTICS_INFO,e)})}_onIOError(e,t){Promise.resolve().then(()=>{this._emitter.emit(E.IO_ERROR,e,t)})}_onDemuxError(e,t){Promise.resolve().then(()=>{this._emitter.emit(E.DEMUX_ERROR,e,t)})}_onRecommendSeekpoint(e){Promise.resolve().then(()=>{this._emitter.emit(E.RECOMMEND_SEEKPOINT,e)})}}const q={ERROR:"error",SOURCE_OPEN:"source_open",UPDATE_END:"update_end",BUFFER_FULL:"buffer_full"};class Ve{constructor(e){this.TAG="MSEController",this._config=e,this._emitter=new y,this._config.isLive&&this._config.autoCleanupSourceBuffer==null&&(this._config.autoCleanupSourceBuffer=!0),this.e={onSourceOpen:this._onSourceOpen.bind(this),onSourceEnded:this._onSourceEnded.bind(this),onSourceClose:this._onSourceClose.bind(this),onSourceBufferError:this._onSourceBufferError.bind(this),onSourceBufferUpdateEnd:this._onSourceBufferUpdateEnd.bind(this)},this._mediaSource=null,this._mediaSourceObjectURL=null,this._mediaElement=null,this._isBufferFull=!1,this._hasPendingEos=!1,this._requireSetMediaDuration=!1,this._pendingMediaDuration=0,this._pendingSourceBufferInit=[],this._mimeTypes={video:null,audio:null},this._sourceBuffers={video:null,audio:null},this._lastInitSegments={video:null,audio:null},this._pendingSegments={video:[],audio:[]},this._pendingRemoveRanges={video:[],audio:[]},this._idrList=new Ge}destroy(){(this._mediaElement||this._mediaSource)&&this.detachMediaElement(),this.e=null,this._emitter.removeAllListeners(),this._emitter=null}on(e,t){this._emitter.addListener(e,t)}off(e,t){this._emitter.removeListener(e,t)}attachMediaElement(e){if(this._mediaSource)throw new G("MediaSource has been attached to an HTMLMediaElement!");let t=this._mediaSource=new window.MediaSource;t.addEventListener("sourceopen",this.e.onSourceOpen),t.addEventListener("sourceended",this.e.onSourceEnded),t.addEventListener("sourceclose",this.e.onSourceClose),this._mediaElement=e,this._mediaSourceObjectURL=window.URL.createObjectURL(this._mediaSource),e.src=this._mediaSourceObjectURL}detachMediaElement(){if(this._mediaSource){let e=this._mediaSource;for(let t in this._sourceBuffers){let i=this._pendingSegments[t];i.splice(0,i.length),this._pendingSegments[t]=null,this._pendingRemoveRanges[t]=null,this._lastInitSegments[t]=null;let s=this._sourceBuffers[t];if(s){if(e.readyState!=="closed"){try{e.removeSourceBuffer(s)}catch(r){o.e(this.TAG,r.message)}s.removeEventListener("error",this.e.onSourceBufferError),s.removeEventListener("updateend",this.e.onSourceBufferUpdateEnd)}this._mimeTypes[t]=null,this._sourceBuffers[t]=null}}if(e.readyState==="open")try{e.endOfStream()}catch(t){o.e(this.TAG,t.message)}e.removeEventListener("sourceopen",this.e.onSourceOpen),e.removeEventListener("sourceended",this.e.onSourceEnded),e.removeEventListener("sourceclose",this.e.onSourceClose),this._pendingSourceBufferInit=[],this._isBufferFull=!1,this._idrList.clear(),this._mediaSource=null}this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src"),this._mediaElement=null),this._mediaSourceObjectURL&&(window.URL.revokeObjectURL(this._mediaSourceObjectURL),this._mediaSourceObjectURL=null)}appendInitSegment(e,t){if(!this._mediaSource||this._mediaSource.readyState!=="open"){this._pendingSourceBufferInit.push(e),this._pendingSegments[e.type].push(e);return}let i=e,s=`${i.container}`;i.codec&&i.codec.length>0&&(s+=`;codecs=${i.codec}`);let r=!1;if(o.v(this.TAG,"Received Initialization Segment, mimeType: "+s),this._lastInitSegments[i.type]=i,s!==this._mimeTypes[i.type]){if(this._mimeTypes[i.type])o.v(this.TAG,`Notice: ${i.type} mimeType changed, origin: ${this._mimeTypes[i.type]}, target: ${s}`);else{r=!0;try{let n=this._sourceBuffers[i.type]=this._mediaSource.addSourceBuffer(s);n.addEventListener("error",this.e.onSourceBufferError),n.addEventListener("updateend",this.e.onSourceBufferUpdateEnd)}catch(n){o.e(this.TAG,n.message),this._emitter.emit(q.ERROR,{code:n.code,msg:n.message});return}}this._mimeTypes[i.type]=s}t||this._pendingSegments[i.type].push(i),r||this._sourceBuffers[i.type]&&!this._sourceBuffers[i.type].updating&&this._doAppendSegments(),R.safari&&i.container==="audio/mpeg"&&i.mediaDuration>0&&(this._requireSetMediaDuration=!0,this._pendingMediaDuration=i.mediaDuration/1e3,this._updateMediaSourceDuration())}appendMediaSegment(e){let t=e;this._pendingSegments[t.type].push(t),this._config.autoCleanupSourceBuffer&&this._needCleanupSourceBuffer()&&this._doCleanupSourceBuffer();let i=this._sourceBuffers[t.type];i&&!i.updating&&!this._hasPendingRemoveRanges()&&this._doAppendSegments()}seek(e){for(let t in this._sourceBuffers){if(!this._sourceBuffers[t])continue;let i=this._sourceBuffers[t];if(this._mediaSource.readyState==="open")try{i.abort()}catch(r){o.e(this.TAG,r.message)}this._idrList.clear();let s=this._pendingSegments[t];if(s.splice(0,s.length),this._mediaSource.readyState!=="closed"){for(let r=0;r<i.buffered.length;r++){let n=i.buffered.start(r),A=i.buffered.end(r);this._pendingRemoveRanges[t].push({start:n,end:A})}if(i.updating||this._doRemoveRanges(),R.safari){let r=this._lastInitSegments[t];r&&(this._pendingSegments[t].push(r),i.updating||this._doAppendSegments())}}}}endOfStream(){let e=this._mediaSource,t=this._sourceBuffers;if(!e||e.readyState!=="open"){e&&e.readyState==="closed"&&this._hasPendingSegments()&&(this._hasPendingEos=!0);return}t.video&&t.video.updating||t.audio&&t.audio.updating?this._hasPendingEos=!0:(this._hasPendingEos=!1,e.endOfStream())}getNearestKeyframe(e){return this._idrList.getLastSyncPointBeforeDts(e)}_needCleanupSourceBuffer(){if(!this._config.autoCleanupSourceBuffer)return!1;let e=this._mediaElement.currentTime;for(let t in this._sourceBuffers){let i=this._sourceBuffers[t];if(i){let s=i.buffered;if(s.length>=1&&e-s.start(0)>=this._config.autoCleanupMaxBackwardDuration)return!0}}return!1}_doCleanupSourceBuffer(){let e=this._mediaElement.currentTime;for(let t in this._sourceBuffers){let i=this._sourceBuffers[t];if(i){let s=i.buffered,r=!1;for(let n=0;n<s.length;n++){let A=s.start(n),h=s.end(n);if(A<=e&&e<h+3){if(e-A>=this._config.autoCleanupMaxBackwardDuration){r=!0;let d=e-this._config.autoCleanupMinBackwardDuration;this._pendingRemoveRanges[t].push({start:A,end:d})}}else h<e&&(r=!0,this._pendingRemoveRanges[t].push({start:A,end:h}))}r&&!i.updating&&this._doRemoveRanges()}}}_updateMediaSourceDuration(){let e=this._sourceBuffers;if(this._mediaElement.readyState===0||this._mediaSource.readyState!=="open"||e.video&&e.video.updating||e.audio&&e.audio.updating)return;let t=this._mediaSource.duration,i=this._pendingMediaDuration;i>0&&(isNaN(t)||i>t)&&(o.v(this.TAG,`Update MediaSource duration from ${t} to ${i}`),this._mediaSource.duration=i),this._requireSetMediaDuration=!1,this._pendingMediaDuration=0}_doRemoveRanges(){for(let e in this._pendingRemoveRanges){if(!this._sourceBuffers[e]||this._sourceBuffers[e].updating)continue;let t=this._sourceBuffers[e],i=this._pendingRemoveRanges[e];for(;i.length&&!t.updating;){let s=i.shift();t.remove(s.start,s.end)}}}_doAppendSegments(){let e=this._pendingSegments;for(let t in e)if(!(!this._sourceBuffers[t]||this._sourceBuffers[t].updating)&&e[t].length>0){let i=e[t].shift();if(i.timestampOffset){let s=this._sourceBuffers[t].timestampOffset,r=i.timestampOffset/1e3;Math.abs(s-r)>.1&&(o.v(this.TAG,`Update MPEG audio timestampOffset from ${s} to ${r}`),this._sourceBuffers[t].timestampOffset=r),delete i.timestampOffset}if(!i.data||i.data.byteLength===0)continue;try{this._sourceBuffers[t].appendBuffer(i.data),this._isBufferFull=!1,t==="video"&&i.hasOwnProperty("info")&&this._idrList.appendArray(i.info.syncPoints)}catch(s){this._pendingSegments[t].unshift(i),s.code===22?(this._isBufferFull||this._emitter.emit(q.BUFFER_FULL),this._isBufferFull=!0):(o.e(this.TAG,s.message),this._emitter.emit(q.ERROR,{code:s.code,msg:s.message}))}}}_onSourceOpen(){if(o.v(this.TAG,"MediaSource onSourceOpen"),this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._pendingSourceBufferInit.length>0){let e=this._pendingSourceBufferInit;for(;e.length;){let t=e.shift();this.appendInitSegment(t,!0)}}this._hasPendingSegments()&&this._doAppendSegments(),this._emitter.emit(q.SOURCE_OPEN)}_onSourceEnded(){o.v(this.TAG,"MediaSource onSourceEnded")}_onSourceClose(){o.v(this.TAG,"MediaSource onSourceClose"),this._mediaSource&&this.e!=null&&(this._mediaSource.removeEventListener("sourceopen",this.e.onSourceOpen),this._mediaSource.removeEventListener("sourceended",this.e.onSourceEnded),this._mediaSource.removeEventListener("sourceclose",this.e.onSourceClose))}_hasPendingSegments(){let e=this._pendingSegments;return e.video.length>0||e.audio.length>0}_hasPendingRemoveRanges(){let e=this._pendingRemoveRanges;return e.video.length>0||e.audio.length>0}_onSourceBufferUpdateEnd(){this._requireSetMediaDuration?this._updateMediaSourceDuration():this._hasPendingRemoveRanges()?this._doRemoveRanges():this._hasPendingSegments()?this._doAppendSegments():this._hasPendingEos&&this.endOfStream(),this._emitter.emit(q.UPDATE_END)}_onSourceBufferError(e){o.e(this.TAG,`SourceBuffer Error: ${e}`)}}const me={NETWORK_ERROR:"NetworkError",MEDIA_ERROR:"MediaError",OTHER_ERROR:"OtherError"},Ye={NETWORK_EXCEPTION:T.EXCEPTION,NETWORK_STATUS_CODE_INVALID:T.HTTP_STATUS_CODE_INVALID,NETWORK_TIMEOUT:T.CONNECTING_TIMEOUT,NETWORK_UNRECOVERABLE_EARLY_EOF:T.UNRECOVERABLE_EARLY_EOF,MEDIA_MSE_ERROR:"MediaMSEError",MEDIA_FORMAT_ERROR:Q.FORMAT_ERROR,MEDIA_FORMAT_UNSUPPORTED:Q.FORMAT_UNSUPPORTED,MEDIA_CODEC_UNSUPPORTED:Q.CODEC_UNSUPPORTED};class ze{constructor(e,t){if(this.TAG="FlvPlayer",this._type="FlvPlayer",this._emitter=new y,this._config=se(),typeof t=="object"&&Object.assign(this._config,t),e.type.toLowerCase()!=="flv")throw new j("FlvPlayer requires an flv MediaDataSource input!");e.isLive===!0&&(this._config.isLive=!0),this.e={onvLoadedMetadata:this._onvLoadedMetadata.bind(this),onvSeeking:this._onvSeeking.bind(this),onvCanPlay:this._onvCanPlay.bind(this),onvStalled:this._onvStalled.bind(this),onvProgress:this._onvProgress.bind(this)},self.performance&&self.performance.now?this._now=self.performance.now.bind(self.performance):this._now=Date.now,this._pendingSeekTime=null,this._requestSetTime=!1,this._seekpointRecord=null,this._progressChecker=null,this._mediaDataSource=e,this._mediaElement=null,this._msectl=null,this._transmuxer=null,this._mseSourceOpened=!1,this._hasPendingLoad=!1,this._receivedCanPlay=!1,this._mediaInfo=null,this._statisticsInfo=null;let i=R.chrome&&(R.version.major<50||R.version.major===50&&R.version.build<2661);this._alwaysSeekKeyframe=!!(i||R.msedge||R.msie),this._alwaysSeekKeyframe&&(this._config.accurateSeek=!1)}destroy(){this._progressChecker!=null&&(window.clearInterval(this._progressChecker),this._progressChecker=null),this._transmuxer&&this.unload(),this._mediaElement&&this.detachMediaElement(),this.e=null,this._mediaDataSource=null,this._emitter.removeAllListeners(),this._emitter=null}on(e,t){e===v.MEDIA_INFO?this._mediaInfo!=null&&Promise.resolve().then(()=>{this._emitter.emit(v.MEDIA_INFO,this.mediaInfo)}):e===v.STATISTICS_INFO&&this._statisticsInfo!=null&&Promise.resolve().then(()=>{this._emitter.emit(v.STATISTICS_INFO,this.statisticsInfo)}),this._emitter.addListener(e,t)}off(e,t){this._emitter.removeListener(e,t)}attachMediaElement(e){if(this._mediaElement=e,e.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),e.addEventListener("seeking",this.e.onvSeeking),e.addEventListener("canplay",this.e.onvCanPlay),e.addEventListener("stalled",this.e.onvStalled),e.addEventListener("progress",this.e.onvProgress),this._msectl=new Ve(this._config),this._msectl.on(q.UPDATE_END,this._onmseUpdateEnd.bind(this)),this._msectl.on(q.BUFFER_FULL,this._onmseBufferFull.bind(this)),this._msectl.on(q.SOURCE_OPEN,()=>{this._mseSourceOpened=!0,this._hasPendingLoad&&(this._hasPendingLoad=!1,this.load())}),this._msectl.on(q.ERROR,t=>{this._emitter.emit(v.ERROR,me.MEDIA_ERROR,Ye.MEDIA_MSE_ERROR,t)}),this._msectl.attachMediaElement(e),this._pendingSeekTime!=null)try{e.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(t){}}detachMediaElement(){this._mediaElement&&(this._msectl.detachMediaElement(),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement.removeEventListener("seeking",this.e.onvSeeking),this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay),this._mediaElement.removeEventListener("stalled",this.e.onvStalled),this._mediaElement.removeEventListener("progress",this.e.onvProgress),this._mediaElement=null),this._msectl&&(this._msectl.destroy(),this._msectl=null)}load(){if(!this._mediaElement)throw new G("HTMLMediaElement must be attached before load()!");if(this._transmuxer)throw new G("FlvPlayer.load() has been called, please call unload() first!");if(!this._hasPendingLoad){if(this._config.deferLoadAfterSourceOpen&&this._mseSourceOpened===!1){this._hasPendingLoad=!0;return}this._mediaElement.readyState>0&&(this._requestSetTime=!0,this._mediaElement.currentTime=0),this._transmuxer=new je(this._mediaDataSource,this._config),this._transmuxer.on(E.INIT_SEGMENT,(e,t)=>{this._msectl.appendInitSegment(t)}),this._transmuxer.on(E.MEDIA_SEGMENT,(e,t)=>{if(this._msectl.appendMediaSegment(t),this._config.lazyLoad&&!this._config.isLive){let i=this._mediaElement.currentTime;t.info.endDts>=(i+this._config.lazyLoadMaxDuration)*1e3&&this._progressChecker==null&&(o.v(this.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),this._suspendTransmuxer())}}),this._transmuxer.on(E.LOADING_COMPLETE,()=>{this._msectl.endOfStream(),this._emitter.emit(v.LOADING_COMPLETE)}),this._transmuxer.on(E.RECOVERED_EARLY_EOF,()=>{this._emitter.emit(v.RECOVERED_EARLY_EOF)}),this._transmuxer.on(E.IO_ERROR,(e,t)=>{this._emitter.emit(v.ERROR,me.NETWORK_ERROR,e,t)}),this._transmuxer.on(E.DEMUX_ERROR,(e,t)=>{this._emitter.emit(v.ERROR,me.MEDIA_ERROR,e,{code:-1,msg:t})}),this._transmuxer.on(E.MEDIA_INFO,e=>{this._mediaInfo=e,this._emitter.emit(v.MEDIA_INFO,Object.assign({},e))}),this._transmuxer.on(E.METADATA_ARRIVED,e=>{this._emitter.emit(v.METADATA_ARRIVED,e)}),this._transmuxer.on(E.SCRIPTDATA_ARRIVED,e=>{this._emitter.emit(v.SCRIPTDATA_ARRIVED,e)}),this._transmuxer.on(E.STATISTICS_INFO,e=>{this._statisticsInfo=this._fillStatisticsInfo(e),this._emitter.emit(v.STATISTICS_INFO,Object.assign({},this._statisticsInfo))}),this._transmuxer.on(E.RECOMMEND_SEEKPOINT,e=>{this._mediaElement&&!this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=e/1e3)}),this._transmuxer.open()}}unload(){this._mediaElement&&this._mediaElement.pause(),this._msectl&&this._msectl.seek(0),this._transmuxer&&(this._transmuxer.close(),this._transmuxer.destroy(),this._transmuxer=null)}play(){return this._mediaElement.play()}pause(){this._mediaElement.pause()}get type(){return this._type}get buffered(){return this._mediaElement.buffered}get duration(){return this._mediaElement.duration}get volume(){return this._mediaElement.volume}set volume(e){this._mediaElement.volume=e}get muted(){return this._mediaElement.muted}set muted(e){this._mediaElement.muted=e}get currentTime(){return this._mediaElement?this._mediaElement.currentTime:0}set currentTime(e){this._mediaElement?this._internalSeek(e):this._pendingSeekTime=e}get mediaInfo(){return Object.assign({},this._mediaInfo)}get statisticsInfo(){return this._statisticsInfo==null&&(this._statisticsInfo={}),this._statisticsInfo=this._fillStatisticsInfo(this._statisticsInfo),Object.assign({},this._statisticsInfo)}_fillStatisticsInfo(e){if(e.playerType=this._type,!(this._mediaElement instanceof HTMLVideoElement))return e;let t=!0,i=0,s=0;if(this._mediaElement.getVideoPlaybackQuality){let r=this._mediaElement.getVideoPlaybackQuality();i=r.totalVideoFrames,s=r.droppedVideoFrames}else this._mediaElement.webkitDecodedFrameCount!=null?(i=this._mediaElement.webkitDecodedFrameCount,s=this._mediaElement.webkitDroppedFrameCount):t=!1;return t&&(e.decodedFrames=i,e.droppedFrames=s),e}_onmseUpdateEnd(){if(!this._config.lazyLoad||this._config.isLive)return;let e=this._mediaElement.buffered,t=this._mediaElement.currentTime,i=0;for(let s=0;s<e.length;s++){let r=e.start(s),n=e.end(s);if(r<=t&&t<n){i=n;break}}i>=t+this._config.lazyLoadMaxDuration&&this._progressChecker==null&&(o.v(this.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),this._suspendTransmuxer())}_onmseBufferFull(){o.v(this.TAG,"MSE SourceBuffer is full, suspend transmuxing task"),this._progressChecker==null&&this._suspendTransmuxer()}_suspendTransmuxer(){this._transmuxer&&(this._transmuxer.pause(),this._progressChecker==null&&(this._progressChecker=window.setInterval(this._checkProgressAndResume.bind(this),1e3)))}_checkProgressAndResume(){let e=this._mediaElement.currentTime,t=this._mediaElement.buffered,i=!1;for(let s=0;s<t.length;s++){let r=t.start(s),n=t.end(s);if(e>=r&&e<n){e>=n-this._config.lazyLoadRecoverDuration&&(i=!0);break}}i&&(window.clearInterval(this._progressChecker),this._progressChecker=null,i&&(o.v(this.TAG,"Continue loading from paused position"),this._transmuxer.resume()))}_isTimepointBuffered(e){let t=this._mediaElement.buffered;for(let i=0;i<t.length;i++){let s=t.start(i),r=t.end(i);if(e>=s&&e<r)return!0}return!1}_internalSeek(e){let t=this._isTimepointBuffered(e),i=!1,s=0;if(e<1&&this._mediaElement.buffered.length>0){let r=this._mediaElement.buffered.start(0);(r<1&&e<r||R.safari)&&(i=!0,s=R.safari?.1:r)}if(i)this._requestSetTime=!0,this._mediaElement.currentTime=s;else if(t){if(!this._alwaysSeekKeyframe)this._requestSetTime=!0,this._mediaElement.currentTime=e;else{let r=this._msectl.getNearestKeyframe(Math.floor(e*1e3));this._requestSetTime=!0,r!=null?this._mediaElement.currentTime=r.dts/1e3:this._mediaElement.currentTime=e}this._progressChecker!=null&&this._checkProgressAndResume()}else this._progressChecker!=null&&(window.clearInterval(this._progressChecker),this._progressChecker=null),this._msectl.seek(e),this._transmuxer.seek(Math.floor(e*1e3)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=e)}_checkAndApplyUnbufferedSeekpoint(){if(this._seekpointRecord)if(this._seekpointRecord.recordTime<=this._now()-100){let e=this._mediaElement.currentTime;this._seekpointRecord=null,this._isTimepointBuffered(e)||(this._progressChecker!=null&&(window.clearTimeout(this._progressChecker),this._progressChecker=null),this._msectl.seek(e),this._transmuxer.seek(Math.floor(e*1e3)),this._config.accurateSeek&&(this._requestSetTime=!0,this._mediaElement.currentTime=e))}else window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}_checkAndResumeStuckPlayback(e){let t=this._mediaElement;if(e||!this._receivedCanPlay||t.readyState<2){let i=t.buffered;i.length>0&&t.currentTime<i.start(0)&&(o.w(this.TAG,`Playback seems stuck at ${t.currentTime}, seek to ${i.start(0)}`),this._requestSetTime=!0,this._mediaElement.currentTime=i.start(0),this._mediaElement.removeEventListener("progress",this.e.onvProgress))}else this._mediaElement.removeEventListener("progress",this.e.onvProgress)}_onvLoadedMetadata(e){this._pendingSeekTime!=null&&(this._mediaElement.currentTime=this._pendingSeekTime,this._pendingSeekTime=null)}_onvSeeking(e){let t=this._mediaElement.currentTime,i=this._mediaElement.buffered;if(this._requestSetTime){this._requestSetTime=!1;return}if(t<1&&i.length>0){let s=i.start(0);if(s<1&&t<s||R.safari){this._requestSetTime=!0,this._mediaElement.currentTime=R.safari?.1:s;return}}if(this._isTimepointBuffered(t)){if(this._alwaysSeekKeyframe){let s=this._msectl.getNearestKeyframe(Math.floor(t*1e3));s!=null&&(this._requestSetTime=!0,this._mediaElement.currentTime=s.dts/1e3)}this._progressChecker!=null&&this._checkProgressAndResume();return}this._seekpointRecord={seekPoint:t,recordTime:this._now()},window.setTimeout(this._checkAndApplyUnbufferedSeekpoint.bind(this),50)}_onvCanPlay(e){this._receivedCanPlay=!0,this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay)}_onvStalled(e){this._checkAndResumeStuckPlayback(!0)}_onvProgress(e){this._checkAndResumeStuckPlayback()}}class We{constructor(e,t){if(this.TAG="NativePlayer",this._type="NativePlayer",this._emitter=new y,this._config=se(),typeof t=="object"&&Object.assign(this._config,t),e.type.toLowerCase()==="flv")throw new j("NativePlayer does't support flv MediaDataSource input!");if(e.hasOwnProperty("segments"))throw new j(`NativePlayer(${e.type}) doesn't support multipart playback!`);this.e={onvLoadedMetadata:this._onvLoadedMetadata.bind(this)},this._pendingSeekTime=null,this._statisticsReporter=null,this._mediaDataSource=e,this._mediaElement=null}destroy(){this._mediaElement&&(this.unload(),this.detachMediaElement()),this.e=null,this._mediaDataSource=null,this._emitter.removeAllListeners(),this._emitter=null}on(e,t){e===v.MEDIA_INFO?this._mediaElement!=null&&this._mediaElement.readyState!==0&&Promise.resolve().then(()=>{this._emitter.emit(v.MEDIA_INFO,this.mediaInfo)}):e===v.STATISTICS_INFO&&this._mediaElement!=null&&this._mediaElement.readyState!==0&&Promise.resolve().then(()=>{this._emitter.emit(v.STATISTICS_INFO,this.statisticsInfo)}),this._emitter.addListener(e,t)}off(e,t){this._emitter.removeListener(e,t)}attachMediaElement(e){if(this._mediaElement=e,e.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._pendingSeekTime!=null)try{e.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(t){}}detachMediaElement(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src"),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement=null),this._statisticsReporter!=null&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}load(){if(!this._mediaElement)throw new G("HTMLMediaElement must be attached before load()!");this._mediaElement.src=this._mediaDataSource.url,this._mediaElement.readyState>0&&(this._mediaElement.currentTime=0),this._mediaElement.preload="auto",this._mediaElement.load(),this._statisticsReporter=window.setInterval(this._reportStatisticsInfo.bind(this),this._config.statisticsInfoReportInterval)}unload(){this._mediaElement&&(this._mediaElement.src="",this._mediaElement.removeAttribute("src")),this._statisticsReporter!=null&&(window.clearInterval(this._statisticsReporter),this._statisticsReporter=null)}play(){return this._mediaElement.play()}pause(){this._mediaElement.pause()}get type(){return this._type}get buffered(){return this._mediaElement.buffered}get duration(){return this._mediaElement.duration}get volume(){return this._mediaElement.volume}set volume(e){this._mediaElement.volume=e}get muted(){return this._mediaElement.muted}set muted(e){this._mediaElement.muted=e}get currentTime(){return this._mediaElement?this._mediaElement.currentTime:0}set currentTime(e){this._mediaElement?this._mediaElement.currentTime=e:this._pendingSeekTime=e}get mediaInfo(){let t={mimeType:(this._mediaElement instanceof HTMLAudioElement?"audio/":"video/")+this._mediaDataSource.type};return this._mediaElement&&(t.duration=Math.floor(this._mediaElement.duration*1e3),this._mediaElement instanceof HTMLVideoElement&&(t.width=this._mediaElement.videoWidth,t.height=this._mediaElement.videoHeight)),t}get statisticsInfo(){let e={playerType:this._type,url:this._mediaDataSource.url};if(!(this._mediaElement instanceof HTMLVideoElement))return e;let t=!0,i=0,s=0;if(this._mediaElement.getVideoPlaybackQuality){let r=this._mediaElement.getVideoPlaybackQuality();i=r.totalVideoFrames,s=r.droppedVideoFrames}else this._mediaElement.webkitDecodedFrameCount!=null?(i=this._mediaElement.webkitDecodedFrameCount,s=this._mediaElement.webkitDroppedFrameCount):t=!1;return t&&(e.decodedFrames=i,e.droppedFrames=s),e}_onvLoadedMetadata(e){this._pendingSeekTime!=null&&(this._mediaElement.currentTime=this._pendingSeekTime,this._pendingSeekTime=null),this._emitter.emit(v.MEDIA_INFO,this.mediaInfo)}_reportStatisticsInfo(){this._emitter.emit(v.STATISTICS_INFO,this.statisticsInfo)}}function qe(a,e){let t=a;if(t==null||typeof t!="object")throw new j("MediaDataSource must be an javascript object!");if(!t.hasOwnProperty("type"))throw new j("MediaDataSource must has type field to indicate video file type!");switch(t.type){case"flv":return new ze(t,e);default:return new We(t,e)}}function Ke(){return re.supportMSEH264Playback()}function Je(){let a=new OfflineAudioContext(1,1,44100);return Boolean(a.audioWorklet&&typeof a.audioWorklet.addModule=="function")}function Xe(){class a extends AudioWorkletProcessor{constructor(){super();this.state=0,this.start=!0,this.samplesArray=[],this.offset=0,this.bufferSize=1024,this.port.onmessage=t=>{t.data.message=="init"?this.bufferSize=t.data.bufferSize:t.data.message=="stop"?this.start=!1:t.data.message=="data"?this.samplesArray.push(t.data.buffer):t.data.message=="zero"}}process(t,i,s){const n=i[0][0];if(this.offset==0&&this.port.postMessage({message:"beep"}),this.state==0&&(this.state=1),this.state==1&&this.samplesArray.length==4&&(this.state=2),this.state==2){let A=this.samplesArray[0];for(let h=0;h<n.length;h++)n[h]=A[h+this.offset]}else n.fill(0);return this.offset+=128,this.offset==this.bufferSize&&(this.offset=0,this.state==2&&this.samplesArray.shift(),this.samplesArray.length==0&&(this.state=0)),this.start}}registerProcessor("wa-processor",a)}function Ze(a){return a.trim().match(/^function\s*\w*\s*\([\w\s,]*\)\s*{([\w\W]*?)}$/)[1]}function $e(){const a=Ze(Xe.toString()),e=new Blob([a],{type:"text/javascript"});return URL.createObjectURL(e)}return Z.WAB=$e,Z.AMF=H,Z}();typeof exports!="undefined"?(typeof module!="undefined"&&module.exports&&(exports=module.exports=NodePlayer),exports.NodePlayer=NodePlayer):Module.NodePlayer=NodePlayer,typeof define=="function"&&define.amd&&define([],function(){return NodePlayer});