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889 lines
36 KiB
JavaScript
889 lines
36 KiB
JavaScript
// universal module definition
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(function (root, factory) {
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as an anonymous module.
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define([], factory);
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} else if (typeof exports === 'object') {
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// Node. Does not work with strict CommonJS, but
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// only CommonJS-like environments that support module.exports,
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// like Node.
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module.exports = factory();
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} else {
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// Browser globals (root is window)
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root.Decoder = factory();
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}
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}(this, function () {
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var global;
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function initglobal(){
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global = this;
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if (!global){
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if (typeof window != "undefined"){
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global = window;
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}else if (typeof self != "undefined"){
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global = self;
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};
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};
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};
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initglobal();
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function error(message) {
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console.error(message);
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console.trace();
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};
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function assert(condition, message) {
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if (!condition) {
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error(message);
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};
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};
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var getModule = function(par_broadwayOnHeadersDecoded, par_broadwayOnPictureDecoded){
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/*var ModuleX = {
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'print': function(text) { console.log('stdout: ' + text); },
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'printErr': function(text) { console.log('stderr: ' + text); }
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};*/
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/*
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The reason why this is all packed into one file is that this file can also function as worker.
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you can integrate the file into your build system and provide the original file to be loaded into a worker.
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*/
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//var Module = (function(){
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var Module=typeof Module!=="undefined"?Module:{};var moduleOverrides={};var key;for(key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var arguments_=[];var thisProgram="./this.program";var quit_=function(status,toThrow){throw toThrow};var ENVIRONMENT_IS_WEB=false;var ENVIRONMENT_IS_WORKER=true;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var read_,readAsync,readBinary,setWindowTitle;if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){if(ENVIRONMENT_IS_WORKER){scriptDirectory=self.location.href}else if(document.currentScript){scriptDirectory=document.currentScript.src}if(scriptDirectory.indexOf("blob:")!==0){scriptDirectory=scriptDirectory.substr(0,scriptDirectory.lastIndexOf("/")+1)}else{scriptDirectory=""}{read_=function shell_read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(ENVIRONMENT_IS_WORKER){readBinary=function readBinary(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=function readAsync(url,onload,onerror){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=function xhr_onload(){if(xhr.status==200||xhr.status==0&&xhr.response){onload(xhr.response);return}onerror()};xhr.onerror=onerror;xhr.send(null)}}setWindowTitle=function(title){document.title=title}}else{}var out=Module["print"]||console.log.bind(console);var err=Module["printErr"]||console.warn.bind(console);for(key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}moduleOverrides=null;if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"];if(Module["quit"])quit_=Module["quit"];var asm2wasmImports={"f64-rem":function(x,y){return x%y},"debugger":function(){}};var functionPointers=new Array(0);var wasmBinary;if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];var noExitRuntime;if(Module["noExitRuntime"])noExitRuntime=Module["noExitRuntime"];if(typeof WebAssembly!=="object"){err("no native wasm support detected")}var wasmMemory;var wasmTable=new WebAssembly.Table({"initial":10,"maximum":10,"element":"anyfunc"});var ABORT=false;var EXITSTATUS=0;var UTF8Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf8"):undefined;function UTF8ArrayToString(u8Array,idx,maxBytesToRead){var endIdx=idx+maxBytesToRead;var endPtr=idx;while(u8Array[endPtr]&&!(endPtr>=endIdx))++endPtr;if(endPtr-idx>16&&u8Array.subarray&&UTF8Decoder){return UTF8Decoder.decode(u8Array.subarray(idx,endPtr))}else{var str="";while(idx<endPtr){var u0=u8Array[idx++];if(!(u0&128)){str+=String.fromCharCode(u0);continue}var u1=u8Array[idx++]&63;if((u0&224)==192){str+=String.fromCharCode((u0&31)<<6|u1);continue}var u2=u8Array[idx++]&63;if((u0&240)==224){u0=(u0&15)<<12|u1<<6|u2}else{u0=(u0&7)<<18|u1<<12|u2<<6|u8Array[idx++]&63}if(u0<65536){str+=String.fromCharCode(u0)}else{var ch=u0-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}}}return str}function UTF8ToString(ptr,maxBytesToRead){return ptr?UTF8ArrayToString(HEAPU8,ptr,maxBytesToRead):""}var UTF16Decoder=typeof TextDecoder!=="undefined"?new TextDecoder("utf-16le"):undefined;var WASM_PAGE_SIZE=65536;var buffer,HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;function updateGlobalBufferAndViews(buf){buffer=buf;Module["HEAP8"]=HEAP8=new Int8Array(buf);Module["HEAP16"]=HEAP16=new Int16Array(buf);Module["HEAP32"]=HEAP32=new Int32Array(buf);Module["HEAPU8"]=HEAPU8=new Uint8Array(buf);Module["HEAPU16"]=HEAPU16=new Uint16Array(buf);Module["HEAPU32"]=HEAPU32=new Uint32Array(buf);Module["HEAPF32"]=HEAPF32=new Float32Array(buf);Module["HEAPF64"]=HEAPF64=new Float64Array(buf)}var DYNAMIC_BASE=5254064,DYNAMICTOP_PTR=10992;var INITIAL_TOTAL_MEMORY=Module["TOTAL_MEMORY"]||104857600;if(Module["wasmMemory"]){wasmMemory=Module["wasmMemory"]}else{wasmMemory=new WebAssembly.Memory({"initial":INITIAL_TOTAL_MEMORY/WASM_PAGE_SIZE,"maximum":INITIAL_TOTAL_MEMORY/WASM_PAGE_SIZE})}if(wasmMemory){buffer=wasmMemory.buffer}INITIAL_TOTAL_MEMORY=buffer.byteLength;updateGlobalBufferAndViews(buffer);HEAP32[DYNAMICTOP_PTR>>2]=DYNAMIC_BASE;function callRuntimeCallbacks(callbacks){while(callbacks.length>0){var callback=callbacks.shift();if(typeof callback=="function"){callback();continue}var func=callback.func;if(typeof func==="number"){if(callback.arg===undefined){Module["dynCall_v"](func)}else{Module["dynCall_vi"](func,callback.arg)}}else{func(callback.arg===undefined?null:callback.arg)}}}var __ATPRERUN__=[];var __ATINIT__=[];var __ATMAIN__=[];var __ATPOSTRUN__=[];var runtimeInitialized=false;function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function initRuntime(){runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}Module["preloadedImages"]={};Module["preloadedAudios"]={};function abort(what){if(Module["onAbort"]){Module["onAbort"](what)}what+="";out(what);err(what);ABORT=true;EXITSTATUS=1;what="abort("+what+"). Build with -s ASSERTIONS=1 for more info.";throw new WebAssembly.RuntimeError(what)}var dataURIPrefix="data:application/octet-stream;base64,";function isDataURI(filename){return String.prototype.startsWith?filename.startsWith(dataURIPrefix):filename.indexOf(dataURIPrefix)===0}var wasmBinaryFile="avc.wasm";if(!isDataURI(wasmBinaryFile)){wasmBinaryFile=locateFile(wasmBinaryFile)}function getBinary(){try{if(wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(wasmBinaryFile)}else{throw"both async and sync fetching of the wasm failed"}}catch(err){abort(err)}}function getBinaryPromise(){if(!wasmBinary&&(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER)&&typeof fetch==="function"){return fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){if(!response["ok"]){throw"failed to load wasm binary file at '"+wasmBinaryFile+"'"}return response["arrayBuffer"]()}).catch(function(){return getBinary()})}return new Promise(function(resolve,reject){resolve(getBinary())})}function createWasm(){var info={"env":asmLibraryArg,"wasi_unstable":asmLibraryArg,"global":{"NaN":NaN,Infinity:Infinity},"global.Math":Math,"asm2wasm":asm2wasmImports};function receiveInstance(instance,module){var exports=instance.exports;Module["asm"]=exports;removeRunDependency("wasm-instantiate")}addRunDependency("wasm-instantiate");function receiveInstantiatedSource(output){receiveInstance(output["instance"])}function instantiateArrayBuffer(receiver){return getBinaryPromise().then(function(binary){return WebAssembly.instantiate(binary,info)}).then(receiver,function(reason){err("failed to asynchronously prepare wasm: "+reason);abort(reason)})}function instantiateAsync(){if(!wasmBinary&&typeof WebAssembly.instantiateStreaming==="function"&&!isDataURI(wasmBinaryFile)&&typeof fetch==="function"){fetch(wasmBinaryFile,{credentials:"same-origin"}).then(function(response){var result=WebAssembly.instantiateStreaming(response,info);return result.then(receiveInstantiatedSource,function(reason){err("wasm streaming compile failed: "+reason);err("falling back to ArrayBuffer instantiation");instantiateArrayBuffer(receiveInstantiatedSource)})})}else{return instantiateArrayBuffer(receiveInstantiatedSource)}}if(Module["instantiateWasm"]){try{var exports=Module["instantiateWasm"](info,receiveInstance);return exports}catch(e){err("Module.instantiateWasm callback failed with error: "+e);return false}}instantiateAsync();return{}}Module["asm"]=createWasm;var PATH={splitPath:function(filename){var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;return splitPathRe.exec(filename).slice(1)},normalizeArray:function(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up;up--){parts.unshift("..")}}return parts},normalize:function(path){var isAbsolute=path.charAt(0)==="/",trailingSlash=path.substr(-1)==="/";path=PATH.normalizeArray(path.split("/").filter(function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path},dirname:function(path){var result=PATH.splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir},basename:function(path){if(path==="/")return"/";var lastSlash=path.lastIndexOf("/");if(lastSlash===-1)return path;return path.substr(lastSlash+1)},extname:function(path){return PATH.splitPath(path)[3]},join:function(){var paths=Array.prototype.slice.call(arguments,0);return PATH.normalize(paths.join("/"))},join2:function(l,r){return PATH.normalize(l+"/"+r)}};var SYSCALLS={buffers:[null,[],[]],printChar:function(stream,curr){var buffer=SYSCALLS.buffers[stream];if(curr===0||curr===10){(stream===1?out:err)(UTF8ArrayToString(buffer,0));buffer.length=0}else{buffer.push(curr)}},varargs:0,get:function(varargs){SYSCALLS.varargs+=4;var ret=HEAP32[SYSCALLS.varargs-4>>2];return ret},getStr:function(){var ret=UTF8ToString(SYSCALLS.get());return ret},get64:function(){var low=SYSCALLS.get(),high=SYSCALLS.get();return low},getZero:function(){SYSCALLS.get()}};function _fd_write(fd,iov,iovcnt,pnum){try{var num=0;for(var i=0;i<iovcnt;i++){var ptr=HEAP32[iov+i*8>>2];var len=HEAP32[iov+(i*8+4)>>2];for(var j=0;j<len;j++){SYSCALLS.printChar(fd,HEAPU8[ptr+j])}num+=len}HEAP32[pnum>>2]=num;return 0}catch(e){if(typeof FS==="undefined"||!(e instanceof FS.ErrnoError))abort(e);return e.errno}}function ___wasi_fd_write(){return _fd_write.apply(null,arguments)}function _broadwayOnHeadersDecoded(){par_broadwayOnHeadersDecoded()}Module["_broadwayOnHeadersDecoded"]=_broadwayOnHeadersDecoded;function _broadwayOnPictureDecoded($buffer,width,height){par_broadwayOnPictureDecoded($buffer,width,height)}Module["_broadwayOnPictureDecoded"]=_broadwayOnPictureDecoded;function _emscripten_get_heap_size(){return HEAP8.length}function abortOnCannotGrowMemory(requestedSize){abort("OOM")}function _emscripten_resize_heap(requestedSize){abortOnCannotGrowMemory(requestedSize)}function _emscripten_memcpy_big(dest,src,num){HEAPU8.set(HEAPU8.subarray(src,src+num),dest)}var asmGlobalArg={};var asmLibraryArg={"g":___wasi_fd_write,"__memory_base":1024,"__table_base":0,"f":_broadwayOnHeadersDecoded,"e":_broadwayOnPictureDecoded,"b":_emscripten_get_heap_size,"d":_emscripten_memcpy_big,"a":_emscripten_resize_heap,"c":abort,"memory":wasmMemory,"table":wasmTable};var asm=Module["asm"](asmGlobalArg,asmLibraryArg,buffer);Module["asm"]=asm;var _broadwayCreateStream=Module["_broadwayCreateStream"]=function(){return Module["asm"]["h"].apply(null,arguments)};var _broadwayExit=Module["_broadwayExit"]=function(){return Module["asm"]["i"].apply(null,arguments)};var _broadwayGetMajorVersion=Module["_broadwayGetMajorVersion"]=function(){return Module["asm"]["j"].apply(null,arguments)};var _broadwayGetMinorVersion=Module["_broadwayGetMinorVersion"]=function(){return Module["asm"]["k"].apply(null,arguments)};var _broadwayInit=Module["_broadwayInit"]=function(){return Module["asm"]["l"].apply(null,arguments)};var _broadwayPlayStream=Module["_broadwayPlayStream"]=function(){return Module["asm"]["m"].apply(null,arguments)};Module["asm"]=asm;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function run(args){args=args||arguments_;if(runDependencies>0){return}preRun();if(runDependencies>0)return;function doRun(){if(calledRun)return;calledRun=true;if(ABORT)return;initRuntime();preMain();if(Module["onRuntimeInitialized"])Module["onRuntimeInitialized"]();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(function(){setTimeout(function(){Module["setStatus"]("")},1);doRun()},1)}else{doRun()}}Module["run"]=run;if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].pop()()}}noExitRuntime=true;run();
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// return Module;
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//})();
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var resultModule;
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if (typeof global !== "undefined"){
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if (global.Module){
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resultModule = global.Module;
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};
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};
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if (typeof Module != "undefined"){
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resultModule = Module;
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};
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resultModule._broadwayOnHeadersDecoded = par_broadwayOnHeadersDecoded;
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resultModule._broadwayOnPictureDecoded = par_broadwayOnPictureDecoded;
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var moduleIsReady = false;
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var cbFun;
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var moduleReady = function(){
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moduleIsReady = true;
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if (cbFun){
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cbFun(resultModule);
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}
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};
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resultModule.onRuntimeInitialized = function(){
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moduleReady(resultModule);
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};
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return function(callback){
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if (moduleIsReady){
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callback(resultModule);
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}else{
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cbFun = callback;
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};
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};
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};
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return (function(){
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"use strict";
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var nowValue = function(){
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return (new Date()).getTime();
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};
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if (typeof performance != "undefined"){
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if (performance.now){
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nowValue = function(){
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return performance.now();
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};
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};
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};
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var Decoder = function(parOptions){
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this.options = parOptions || {};
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this.now = nowValue;
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var asmInstance;
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var fakeWindow = {
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};
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var toU8Array;
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var toU32Array;
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var onPicFun = function ($buffer, width, height) {
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var buffer = this.pictureBuffers[$buffer];
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if (!buffer) {
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buffer = this.pictureBuffers[$buffer] = toU8Array($buffer, (width * height * 3) / 2);
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};
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var infos;
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var doInfo = false;
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if (this.infoAr.length){
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doInfo = true;
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infos = this.infoAr;
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};
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this.infoAr = [];
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if (this.options.rgb){
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if (!asmInstance){
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asmInstance = getAsm(width, height);
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};
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asmInstance.inp.set(buffer);
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asmInstance.doit();
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var copyU8 = new Uint8Array(asmInstance.outSize);
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copyU8.set( asmInstance.out );
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if (doInfo){
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infos[0].finishDecoding = nowValue();
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};
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this.onPictureDecoded(copyU8, width, height, infos);
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return;
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};
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if (doInfo){
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infos[0].finishDecoding = nowValue();
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};
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this.onPictureDecoded(buffer, width, height, infos);
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}.bind(this);
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var ignore = false;
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if (this.options.sliceMode){
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onPicFun = function ($buffer, width, height, $sliceInfo) {
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if (ignore){
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return;
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};
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var buffer = this.pictureBuffers[$buffer];
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if (!buffer) {
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buffer = this.pictureBuffers[$buffer] = toU8Array($buffer, (width * height * 3) / 2);
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};
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var sliceInfo = this.pictureBuffers[$sliceInfo];
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if (!sliceInfo) {
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sliceInfo = this.pictureBuffers[$sliceInfo] = toU32Array($sliceInfo, 18);
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};
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var infos;
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var doInfo = false;
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if (this.infoAr.length){
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doInfo = true;
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infos = this.infoAr;
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};
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this.infoAr = [];
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/*if (this.options.rgb){
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no rgb in slice mode
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};*/
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infos[0].finishDecoding = nowValue();
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var sliceInfoAr = [];
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for (var i = 0; i < 20; ++i){
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sliceInfoAr.push(sliceInfo[i]);
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};
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infos[0].sliceInfoAr = sliceInfoAr;
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this.onPictureDecoded(buffer, width, height, infos);
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}.bind(this);
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};
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var ModuleCallback = getModule.apply(fakeWindow, [function () {
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}, onPicFun]);
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var MAX_STREAM_BUFFER_LENGTH = 1024 * 1024;
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var instance = this;
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this.onPictureDecoded = function (buffer, width, height, infos) {
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};
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this.onDecoderReady = function(){};
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var bufferedCalls = [];
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this.decode = function decode(typedAr, parInfo, copyDoneFun) {
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bufferedCalls.push([typedAr, parInfo, copyDoneFun]);
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};
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ModuleCallback(function(Module){
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var HEAP8 = Module.HEAP8;
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var HEAPU8 = Module.HEAPU8;
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var HEAP16 = Module.HEAP16;
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var HEAP32 = Module.HEAP32;
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// from old constructor
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Module._broadwayInit();
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/**
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* Creates a typed array from a HEAP8 pointer.
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*/
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toU8Array = function(ptr, length) {
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return HEAPU8.subarray(ptr, ptr + length);
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};
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toU32Array = function(ptr, length) {
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//var tmp = HEAPU8.subarray(ptr, ptr + (length * 4));
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return new Uint32Array(HEAPU8.buffer, ptr, length);
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};
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instance.streamBuffer = toU8Array(Module._broadwayCreateStream(MAX_STREAM_BUFFER_LENGTH), MAX_STREAM_BUFFER_LENGTH);
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instance.pictureBuffers = {};
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// collect extra infos that are provided with the nal units
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instance.infoAr = [];
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/**
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* Decodes a stream buffer. This may be one single (unframed) NAL unit without the
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* start code, or a sequence of NAL units with framing start code prefixes. This
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* function overwrites stream buffer allocated by the codec with the supplied buffer.
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*/
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var sliceNum = 0;
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if (instance.options.sliceMode){
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sliceNum = instance.options.sliceNum;
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instance.decode = function decode(typedAr, parInfo, copyDoneFun) {
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instance.infoAr.push(parInfo);
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parInfo.startDecoding = nowValue();
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var nals = parInfo.nals;
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var i;
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if (!nals){
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nals = [];
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parInfo.nals = nals;
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var l = typedAr.length;
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var foundSomething = false;
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var lastFound = 0;
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var lastStart = 0;
|
|
for (i = 0; i < l; ++i){
|
|
if (typedAr[i] === 1){
|
|
if (
|
|
typedAr[i - 1] === 0 &&
|
|
typedAr[i - 2] === 0
|
|
){
|
|
var startPos = i - 2;
|
|
if (typedAr[i - 3] === 0){
|
|
startPos = i - 3;
|
|
};
|
|
// its a nal;
|
|
if (foundSomething){
|
|
nals.push({
|
|
offset: lastFound,
|
|
end: startPos,
|
|
type: typedAr[lastStart] & 31
|
|
});
|
|
};
|
|
lastFound = startPos;
|
|
lastStart = startPos + 3;
|
|
if (typedAr[i - 3] === 0){
|
|
lastStart = startPos + 4;
|
|
};
|
|
foundSomething = true;
|
|
};
|
|
};
|
|
};
|
|
if (foundSomething){
|
|
nals.push({
|
|
offset: lastFound,
|
|
end: i,
|
|
type: typedAr[lastStart] & 31
|
|
});
|
|
};
|
|
};
|
|
|
|
var currentSlice = 0;
|
|
var playAr;
|
|
var offset = 0;
|
|
for (i = 0; i < nals.length; ++i){
|
|
if (nals[i].type === 1 || nals[i].type === 5){
|
|
if (currentSlice === sliceNum){
|
|
playAr = typedAr.subarray(nals[i].offset, nals[i].end);
|
|
instance.streamBuffer[offset] = 0;
|
|
offset += 1;
|
|
instance.streamBuffer.set(playAr, offset);
|
|
offset += playAr.length;
|
|
};
|
|
currentSlice += 1;
|
|
}else{
|
|
playAr = typedAr.subarray(nals[i].offset, nals[i].end);
|
|
instance.streamBuffer[offset] = 0;
|
|
offset += 1;
|
|
instance.streamBuffer.set(playAr, offset);
|
|
offset += playAr.length;
|
|
Module._broadwayPlayStream(offset);
|
|
offset = 0;
|
|
};
|
|
};
|
|
copyDoneFun();
|
|
Module._broadwayPlayStream(offset);
|
|
};
|
|
|
|
}else{
|
|
instance.decode = function decode(typedAr, parInfo) {
|
|
// console.info("Decoding: " + buffer.length);
|
|
// collect infos
|
|
if (parInfo){
|
|
instance.infoAr.push(parInfo);
|
|
parInfo.startDecoding = nowValue();
|
|
};
|
|
|
|
instance.streamBuffer.set(typedAr);
|
|
Module._broadwayPlayStream(typedAr.length);
|
|
};
|
|
};
|
|
|
|
if (bufferedCalls.length){
|
|
var bi = 0;
|
|
for (bi = 0; bi < bufferedCalls.length; ++bi){
|
|
instance.decode(bufferedCalls[bi][0], bufferedCalls[bi][1], bufferedCalls[bi][2]);
|
|
};
|
|
bufferedCalls = [];
|
|
};
|
|
|
|
instance.onDecoderReady(instance);
|
|
|
|
});
|
|
|
|
|
|
};
|
|
|
|
|
|
Decoder.prototype = {
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
asm.js implementation of a yuv to rgb convertor
|
|
provided by @soliton4
|
|
|
|
based on
|
|
http://www.wordsaretoys.com/2013/10/18/making-yuv-conversion-a-little-faster/
|
|
|
|
*/
|
|
|
|
|
|
// factory to create asm.js yuv -> rgb convertor for a given resolution
|
|
var asmInstances = {};
|
|
var getAsm = function(parWidth, parHeight){
|
|
var idStr = "" + parWidth + "x" + parHeight;
|
|
if (asmInstances[idStr]){
|
|
return asmInstances[idStr];
|
|
};
|
|
|
|
var lumaSize = parWidth * parHeight;
|
|
var chromaSize = (lumaSize|0) >> 2;
|
|
|
|
var inpSize = lumaSize + chromaSize + chromaSize;
|
|
var outSize = parWidth * parHeight * 4;
|
|
var cacheSize = Math.pow(2, 24) * 4;
|
|
var size = inpSize + outSize + cacheSize;
|
|
|
|
var chunkSize = Math.pow(2, 24);
|
|
var heapSize = chunkSize;
|
|
while (heapSize < size){
|
|
heapSize += chunkSize;
|
|
};
|
|
var heap = new ArrayBuffer(heapSize);
|
|
|
|
var res = asmFactory(global, {}, heap);
|
|
res.init(parWidth, parHeight);
|
|
asmInstances[idStr] = res;
|
|
|
|
res.heap = heap;
|
|
res.out = new Uint8Array(heap, 0, outSize);
|
|
res.inp = new Uint8Array(heap, outSize, inpSize);
|
|
res.outSize = outSize;
|
|
|
|
return res;
|
|
};
|
|
|
|
|
|
function asmFactory(stdlib, foreign, heap) {
|
|
"use asm";
|
|
|
|
var imul = stdlib.Math.imul;
|
|
var min = stdlib.Math.min;
|
|
var max = stdlib.Math.max;
|
|
var pow = stdlib.Math.pow;
|
|
var out = new stdlib.Uint8Array(heap);
|
|
var out32 = new stdlib.Uint32Array(heap);
|
|
var inp = new stdlib.Uint8Array(heap);
|
|
var mem = new stdlib.Uint8Array(heap);
|
|
var mem32 = new stdlib.Uint32Array(heap);
|
|
|
|
// for double algo
|
|
/*var vt = 1.370705;
|
|
var gt = 0.698001;
|
|
var gt2 = 0.337633;
|
|
var bt = 1.732446;*/
|
|
|
|
var width = 0;
|
|
var height = 0;
|
|
var lumaSize = 0;
|
|
var chromaSize = 0;
|
|
var inpSize = 0;
|
|
var outSize = 0;
|
|
|
|
var inpStart = 0;
|
|
var outStart = 0;
|
|
|
|
var widthFour = 0;
|
|
|
|
var cacheStart = 0;
|
|
|
|
|
|
function init(parWidth, parHeight){
|
|
parWidth = parWidth|0;
|
|
parHeight = parHeight|0;
|
|
|
|
var i = 0;
|
|
var s = 0;
|
|
|
|
width = parWidth;
|
|
widthFour = imul(parWidth, 4)|0;
|
|
height = parHeight;
|
|
lumaSize = imul(width|0, height|0)|0;
|
|
chromaSize = (lumaSize|0) >> 2;
|
|
outSize = imul(imul(width, height)|0, 4)|0;
|
|
inpSize = (((lumaSize + chromaSize)|0) + chromaSize)|0;
|
|
|
|
outStart = 0;
|
|
inpStart = (outStart + outSize)|0;
|
|
cacheStart = (inpStart + inpSize)|0;
|
|
|
|
// initializing memory (to be on the safe side)
|
|
s = ~~(+pow(+2, +24));
|
|
s = imul(s, 4)|0;
|
|
|
|
for (i = 0|0; ((i|0) < (s|0))|0; i = (i + 4)|0){
|
|
mem32[((cacheStart + i)|0) >> 2] = 0;
|
|
};
|
|
};
|
|
|
|
function doit(){
|
|
var ystart = 0;
|
|
var ustart = 0;
|
|
var vstart = 0;
|
|
|
|
var y = 0;
|
|
var yn = 0;
|
|
var u = 0;
|
|
var v = 0;
|
|
|
|
var o = 0;
|
|
|
|
var line = 0;
|
|
var col = 0;
|
|
|
|
var usave = 0;
|
|
var vsave = 0;
|
|
|
|
var ostart = 0;
|
|
var cacheAdr = 0;
|
|
|
|
ostart = outStart|0;
|
|
|
|
ystart = inpStart|0;
|
|
ustart = (ystart + lumaSize|0)|0;
|
|
vstart = (ustart + chromaSize)|0;
|
|
|
|
for (line = 0; (line|0) < (height|0); line = (line + 2)|0){
|
|
usave = ustart;
|
|
vsave = vstart;
|
|
for (col = 0; (col|0) < (width|0); col = (col + 2)|0){
|
|
y = inp[ystart >> 0]|0;
|
|
yn = inp[((ystart + width)|0) >> 0]|0;
|
|
|
|
u = inp[ustart >> 0]|0;
|
|
v = inp[vstart >> 0]|0;
|
|
|
|
cacheAdr = (((((y << 16)|0) + ((u << 8)|0))|0) + v)|0;
|
|
o = mem32[((cacheStart >> 2) + cacheAdr)|0]|0;
|
|
if (o){}else{
|
|
o = yuv2rgbcalc(y,u,v)|0;
|
|
mem32[((cacheStart >> 2) + cacheAdr)|0] = o|0;
|
|
};
|
|
mem32[ostart >> 2] = o;
|
|
|
|
cacheAdr = (((((yn << 16)|0) + ((u << 8)|0))|0) + v)|0;
|
|
o = mem32[((cacheStart >> 2) + cacheAdr)|0]|0;
|
|
if (o){}else{
|
|
o = yuv2rgbcalc(yn,u,v)|0;
|
|
mem32[((cacheStart >> 2) + cacheAdr)|0] = o|0;
|
|
};
|
|
mem32[((ostart + widthFour)|0) >> 2] = o;
|
|
|
|
//yuv2rgb5(y, u, v, ostart);
|
|
//yuv2rgb5(yn, u, v, (ostart + widthFour)|0);
|
|
ostart = (ostart + 4)|0;
|
|
|
|
// next step only for y. u and v stay the same
|
|
ystart = (ystart + 1)|0;
|
|
y = inp[ystart >> 0]|0;
|
|
yn = inp[((ystart + width)|0) >> 0]|0;
|
|
|
|
//yuv2rgb5(y, u, v, ostart);
|
|
cacheAdr = (((((y << 16)|0) + ((u << 8)|0))|0) + v)|0;
|
|
o = mem32[((cacheStart >> 2) + cacheAdr)|0]|0;
|
|
if (o){}else{
|
|
o = yuv2rgbcalc(y,u,v)|0;
|
|
mem32[((cacheStart >> 2) + cacheAdr)|0] = o|0;
|
|
};
|
|
mem32[ostart >> 2] = o;
|
|
|
|
//yuv2rgb5(yn, u, v, (ostart + widthFour)|0);
|
|
cacheAdr = (((((yn << 16)|0) + ((u << 8)|0))|0) + v)|0;
|
|
o = mem32[((cacheStart >> 2) + cacheAdr)|0]|0;
|
|
if (o){}else{
|
|
o = yuv2rgbcalc(yn,u,v)|0;
|
|
mem32[((cacheStart >> 2) + cacheAdr)|0] = o|0;
|
|
};
|
|
mem32[((ostart + widthFour)|0) >> 2] = o;
|
|
ostart = (ostart + 4)|0;
|
|
|
|
//all positions inc 1
|
|
|
|
ystart = (ystart + 1)|0;
|
|
ustart = (ustart + 1)|0;
|
|
vstart = (vstart + 1)|0;
|
|
};
|
|
ostart = (ostart + widthFour)|0;
|
|
ystart = (ystart + width)|0;
|
|
|
|
};
|
|
|
|
};
|
|
|
|
function yuv2rgbcalc(y, u, v){
|
|
y = y|0;
|
|
u = u|0;
|
|
v = v|0;
|
|
|
|
var r = 0;
|
|
var g = 0;
|
|
var b = 0;
|
|
|
|
var o = 0;
|
|
|
|
var a0 = 0;
|
|
var a1 = 0;
|
|
var a2 = 0;
|
|
var a3 = 0;
|
|
var a4 = 0;
|
|
|
|
a0 = imul(1192, (y - 16)|0)|0;
|
|
a1 = imul(1634, (v - 128)|0)|0;
|
|
a2 = imul(832, (v - 128)|0)|0;
|
|
a3 = imul(400, (u - 128)|0)|0;
|
|
a4 = imul(2066, (u - 128)|0)|0;
|
|
|
|
r = (((a0 + a1)|0) >> 10)|0;
|
|
g = (((((a0 - a2)|0) - a3)|0) >> 10)|0;
|
|
b = (((a0 + a4)|0) >> 10)|0;
|
|
|
|
if ((((r & 255)|0) != (r|0))|0){
|
|
r = min(255, max(0, r|0)|0)|0;
|
|
};
|
|
if ((((g & 255)|0) != (g|0))|0){
|
|
g = min(255, max(0, g|0)|0)|0;
|
|
};
|
|
if ((((b & 255)|0) != (b|0))|0){
|
|
b = min(255, max(0, b|0)|0)|0;
|
|
};
|
|
|
|
o = 255;
|
|
o = (o << 8)|0;
|
|
o = (o + b)|0;
|
|
o = (o << 8)|0;
|
|
o = (o + g)|0;
|
|
o = (o << 8)|0;
|
|
o = (o + r)|0;
|
|
|
|
return o|0;
|
|
|
|
};
|
|
|
|
|
|
|
|
return {
|
|
init: init,
|
|
doit: doit
|
|
};
|
|
};
|
|
|
|
|
|
/*
|
|
potential worker initialization
|
|
|
|
*/
|
|
|
|
|
|
if (typeof self != "undefined"){
|
|
var isWorker = false;
|
|
var decoder;
|
|
var reuseMemory = false;
|
|
var sliceMode = false;
|
|
var sliceNum = 0;
|
|
var sliceCnt = 0;
|
|
var lastSliceNum = 0;
|
|
var sliceInfoAr;
|
|
var lastBuf;
|
|
var awaiting = 0;
|
|
var pile = [];
|
|
var startDecoding;
|
|
var finishDecoding;
|
|
var timeDecoding;
|
|
|
|
var memAr = [];
|
|
var getMem = function(length){
|
|
if (memAr.length){
|
|
var u = memAr.shift();
|
|
while (u && u.byteLength !== length){
|
|
u = memAr.shift();
|
|
};
|
|
if (u){
|
|
return u;
|
|
};
|
|
};
|
|
return new ArrayBuffer(length);
|
|
};
|
|
|
|
var copySlice = function(source, target, infoAr, width, height){
|
|
|
|
var length = width * height;
|
|
var length4 = length / 4
|
|
var plane2 = length;
|
|
var plane3 = length + length4;
|
|
|
|
var copy16 = function(parBegin, parEnd){
|
|
var i = 0;
|
|
for (i = 0; i < 16; ++i){
|
|
var begin = parBegin + (width * i);
|
|
var end = parEnd + (width * i)
|
|
target.set(source.subarray(begin, end), begin);
|
|
};
|
|
};
|
|
var copy8 = function(parBegin, parEnd){
|
|
var i = 0;
|
|
for (i = 0; i < 8; ++i){
|
|
var begin = parBegin + ((width / 2) * i);
|
|
var end = parEnd + ((width / 2) * i)
|
|
target.set(source.subarray(begin, end), begin);
|
|
};
|
|
};
|
|
var copyChunk = function(begin, end){
|
|
target.set(source.subarray(begin, end), begin);
|
|
};
|
|
|
|
var begin = infoAr[0];
|
|
var end = infoAr[1];
|
|
if (end > 0){
|
|
copy16(begin, end);
|
|
copy8(infoAr[2], infoAr[3]);
|
|
copy8(infoAr[4], infoAr[5]);
|
|
};
|
|
begin = infoAr[6];
|
|
end = infoAr[7];
|
|
if (end > 0){
|
|
copy16(begin, end);
|
|
copy8(infoAr[8], infoAr[9]);
|
|
copy8(infoAr[10], infoAr[11]);
|
|
};
|
|
|
|
begin = infoAr[12];
|
|
end = infoAr[15];
|
|
if (end > 0){
|
|
copyChunk(begin, end);
|
|
copyChunk(infoAr[13], infoAr[16]);
|
|
copyChunk(infoAr[14], infoAr[17]);
|
|
};
|
|
|
|
};
|
|
|
|
var sliceMsgFun = function(){};
|
|
|
|
var setSliceCnt = function(parSliceCnt){
|
|
sliceCnt = parSliceCnt;
|
|
lastSliceNum = sliceCnt - 1;
|
|
};
|
|
|
|
|
|
self.addEventListener('message', function(e) {
|
|
|
|
if (isWorker){
|
|
if (reuseMemory){
|
|
if (e.data.reuse){
|
|
memAr.push(e.data.reuse);
|
|
};
|
|
};
|
|
if (e.data.buf){
|
|
if (sliceMode && awaiting !== 0){
|
|
pile.push(e.data);
|
|
}else{
|
|
decoder.decode(
|
|
new Uint8Array(e.data.buf, e.data.offset || 0, e.data.length),
|
|
e.data.info,
|
|
function(){
|
|
if (sliceMode && sliceNum !== lastSliceNum){
|
|
postMessage(e.data, [e.data.buf]);
|
|
};
|
|
}
|
|
);
|
|
};
|
|
return;
|
|
};
|
|
|
|
if (e.data.slice){
|
|
// update ref pic
|
|
var copyStart = nowValue();
|
|
copySlice(new Uint8Array(e.data.slice), lastBuf, e.data.infos[0].sliceInfoAr, e.data.width, e.data.height);
|
|
// is it the one? then we need to update it
|
|
if (e.data.theOne){
|
|
copySlice(lastBuf, new Uint8Array(e.data.slice), sliceInfoAr, e.data.width, e.data.height);
|
|
if (timeDecoding > e.data.infos[0].timeDecoding){
|
|
e.data.infos[0].timeDecoding = timeDecoding;
|
|
};
|
|
e.data.infos[0].timeCopy += (nowValue() - copyStart);
|
|
};
|
|
// move on
|
|
postMessage(e.data, [e.data.slice]);
|
|
|
|
// next frame in the pipe?
|
|
awaiting -= 1;
|
|
if (awaiting === 0 && pile.length){
|
|
var data = pile.shift();
|
|
decoder.decode(
|
|
new Uint8Array(data.buf, data.offset || 0, data.length),
|
|
data.info,
|
|
function(){
|
|
if (sliceMode && sliceNum !== lastSliceNum){
|
|
postMessage(data, [data.buf]);
|
|
};
|
|
}
|
|
);
|
|
};
|
|
return;
|
|
};
|
|
|
|
if (e.data.setSliceCnt){
|
|
setSliceCnt(e.data.sliceCnt);
|
|
return;
|
|
};
|
|
|
|
}else{
|
|
if (e.data && e.data.type === "Broadway.js - Worker init"){
|
|
isWorker = true;
|
|
decoder = new Decoder(e.data.options);
|
|
|
|
if (e.data.options.sliceMode){
|
|
reuseMemory = true;
|
|
sliceMode = true;
|
|
sliceNum = e.data.options.sliceNum;
|
|
setSliceCnt(e.data.options.sliceCnt);
|
|
|
|
decoder.onPictureDecoded = function (buffer, width, height, infos) {
|
|
|
|
// buffer needs to be copied because we give up ownership
|
|
var copyU8 = new Uint8Array(getMem(buffer.length));
|
|
copySlice(buffer, copyU8, infos[0].sliceInfoAr, width, height);
|
|
|
|
startDecoding = infos[0].startDecoding;
|
|
finishDecoding = infos[0].finishDecoding;
|
|
timeDecoding = finishDecoding - startDecoding;
|
|
infos[0].timeDecoding = timeDecoding;
|
|
infos[0].timeCopy = 0;
|
|
|
|
postMessage({
|
|
slice: copyU8.buffer,
|
|
sliceNum: sliceNum,
|
|
width: width,
|
|
height: height,
|
|
infos: infos
|
|
}, [copyU8.buffer]); // 2nd parameter is used to indicate transfer of ownership
|
|
|
|
awaiting = sliceCnt - 1;
|
|
|
|
lastBuf = buffer;
|
|
sliceInfoAr = infos[0].sliceInfoAr;
|
|
|
|
};
|
|
|
|
}else if (e.data.options.reuseMemory){
|
|
reuseMemory = true;
|
|
decoder.onPictureDecoded = function (buffer, width, height, infos) {
|
|
|
|
// buffer needs to be copied because we give up ownership
|
|
var copyU8 = new Uint8Array(getMem(buffer.length));
|
|
copyU8.set( buffer, 0, buffer.length );
|
|
|
|
postMessage({
|
|
buf: copyU8.buffer,
|
|
length: buffer.length,
|
|
width: width,
|
|
height: height,
|
|
infos: infos
|
|
}, [copyU8.buffer]); // 2nd parameter is used to indicate transfer of ownership
|
|
|
|
};
|
|
|
|
}else{
|
|
decoder.onPictureDecoded = function (buffer, width, height, infos) {
|
|
if (buffer) {
|
|
buffer = new Uint8Array(buffer);
|
|
};
|
|
|
|
// buffer needs to be copied because we give up ownership
|
|
var copyU8 = new Uint8Array(buffer.length);
|
|
copyU8.set( buffer, 0, buffer.length );
|
|
|
|
postMessage({
|
|
buf: copyU8.buffer,
|
|
length: buffer.length,
|
|
width: width,
|
|
height: height,
|
|
infos: infos
|
|
}, [copyU8.buffer]); // 2nd parameter is used to indicate transfer of ownership
|
|
|
|
};
|
|
};
|
|
postMessage({ consoleLog: "broadway worker initialized" });
|
|
};
|
|
};
|
|
|
|
|
|
}, false);
|
|
};
|
|
|
|
Decoder.nowValue = nowValue;
|
|
|
|
return Decoder;
|
|
|
|
})();
|
|
|
|
|
|
}));
|
|
|