fix(优化)

This commit is contained in:
2026-08-24 22:02:55 +08:00
parent 695755546f
commit 73247053dd
71 changed files with 2970812 additions and 71 deletions

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"use strict";var Module={};var initializedJS=false;function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>{var module=Module["wasmModule"];Module["wasmModule"]=null;var instance=new WebAssembly.Instance(module,info);return receiveInstance(instance)};self.onunhandledrejection=e=>{throw e.reason??e};function handleMessage(e){try{if(e.data.cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{Module=instance;postMessage({"cmd":"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};Module["wasmModule"]=e.data.wasmModule;for(const handler of e.data.handlers){Module[handler]=(...args)=>{postMessage({cmd:"callHandler",handler:handler,args:args})}}Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob=="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}JSPlayerModule(Module)}else if(e.data.cmd==="run"){Module["__emscripten_thread_init"](e.data.pthread_ptr,0,0,1);Module["__emscripten_thread_mailbox_await"](e.data.pthread_ptr);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInitTLS();if(!initializedJS){Module["__embind_initialize_bindings"]();initializedJS=true}try{Module["invokeEntryPoint"](e.data.start_routine,e.data.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="checkMailbox"){if(initializedJS){Module["checkMailbox"]()}}else if(e.data.cmd){err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}}self.onmessage=handleMessage;

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"use strict";var Module={};var initializedJS=false;function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=(info,receiveInstance)=>{var module=Module["wasmModule"];Module["wasmModule"]=null;var instance=new WebAssembly.Instance(module,info);return receiveInstance(instance)};self.onunhandledrejection=e=>{throw e.reason??e};function handleMessage(e){try{if(e.data.cmd==="load"){let messageQueue=[];self.onmessage=e=>messageQueue.push(e);self.startWorker=instance=>{Module=instance;postMessage({"cmd":"loaded"});for(let msg of messageQueue){handleMessage(msg)}self.onmessage=handleMessage};Module["wasmModule"]=e.data.wasmModule;for(const handler of e.data.handlers){Module[handler]=(...args)=>{postMessage({cmd:"callHandler",handler:handler,args:args})}}Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob=="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}JSPlayerModule(Module)}else if(e.data.cmd==="run"){Module["__emscripten_thread_init"](e.data.pthread_ptr,0,0,1);Module["__emscripten_thread_mailbox_await"](e.data.pthread_ptr);Module["establishStackSpace"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInitTLS();if(!initializedJS){Module["__embind_initialize_bindings"]();initializedJS=true}try{Module["invokeEntryPoint"](e.data.start_routine,e.data.arg)}catch(ex){if(ex!="unwind"){throw ex}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["__emscripten_thread_exit"](-1)}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="checkMailbox"){if(initializedJS){Module["checkMailbox"]()}}else if(e.data.cmd){err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){if(Module["__emscripten_thread_crashed"]){Module["__emscripten_thread_crashed"]()}throw ex}}self.onmessage=handleMessage;

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importScripts('libSystemTransform.js');
const RECORDRTP = 0; //录制一份未经过转封装的码流原始数据,用于定位问题
let dataType = 1;
// 字母字符串转byte数组
function stringToBytes (str) {
var ch;
var st;
var re = [];
for (var i = 0; i < str.length; i++) {
ch = str.charCodeAt(i); // get char
st = []; // set up "stack"
do {
st.push(ch & 0xFF); // push byte to stack
ch = ch >> 8; // shift value down by 1 byte
}
while (ch);
// add stack contents to result
// done because chars have "wrong" endianness
re = re.concat(st.reverse());
}
// return an array of bytes
return re;
}
// 转封装库回调函数
self.STCallBack = function (fileIndex, indexLen, data, dataLen) {
//stFrameInfo的类型见DETAIL_FRAME_INFO
let stFrameInfo = Module._GetDetialFrameInfo();
let nIsMp4Index = stFrameInfo.nIsMp4Index;
//console.log("FrameType is " , stFrameInfo);
//console.log("nIsMp4Index is " + nIsMp4Index);
//debugger
var pData = null;
pData = new Uint8Array(dataLen);
pData.set(Module.HEAPU8.subarray(data, data + dataLen));
if (dataType === 1) {
postMessage({ type: "outputData",
buf: pData.buffer,
dType: 1,
frameInfo: stFrameInfo }, [pData.buffer]);
dataType = 2;
} else {
if (nIsMp4Index) {
postMessage({ type: "outputData",
buf: pData.buffer,
dType: 6,
frameInfo: stFrameInfo }, [pData.buffer]); //6索引类型
} else {
postMessage({ type: "outputData",
buf: pData.buffer,
dType: 2,
frameInfo: stFrameInfo }, [pData.buffer]); //2:码流
}
}
//stFrameInfo的类型见DETAIL_FRAME_INFO
//let stFrameInfo = Module._GetDetialFrameInfo();
//let stFrameType = stFrameInfo.nFrameType;
//let nFrameNum = stFrameInfo.nFrameNum;
//let nTimeStamp = stFrameInfo.nTimeStamp;
//let nIsMp4Index = stFrameInfo.nIsMp4Index;
//console.log("FrameType is " + stFrameType);
//console.log("nIsMp4Index is " + nIsMp4Index);
};
// self.Module = { memoryInitializerRequest: loadMemInitFile(), TOTAL_MEMORY: 128*1024*1024 };
// importScripts('SystemTransform.js');
self.Module['onRuntimeInitialized'] = function () {
postMessage({type: "loaded"});
};
onmessage = function (e) {
var data = e.data;
if ("create" === data.type) {
if (RECORDRTP) {
postMessage({ type: "created" });
postMessage({ type: "outputData",
buf: data.buf,
dType: 1 }, [data.buf]);
} else {
var iHeadLen = data.len;
var pHead = Module._malloc(iHeadLen);
if (pHead === null) {
console.log("inputdata malloc failed!!!");
return -1;
}
var iTransType = data.packType;//目标格式
var iRet = 0;
var buf = new Uint8Array(data.buf);
//PS流(只有ps支持探测)并且编码格式异常正常是265和26411位和10位 不可能全是0全0 并且是ps就探测策略的情况下使用探测策略
if (buf[9] === 0 && buf[8] === 2 && buf[11] === 0 && buf[10] === 0) {
iRet = Module._CreatHandle(0, iTransType, iHeadLen); //用探测的策略
} else {
self.writeArrayToMemory(buf, pHead);
iRet = Module._CreatHandle(pHead, iTransType, iHeadLen);
//-2147483645代表的是参数错误此种情况大概率发生在头信息错误例如大华设备的情况此时用 无头探测的策略
//其他情况 按海康标准处理流程,不要做任何特殊处理
if (iRet == -2147483645) {
iRet = Module._CreatHandle(0, iTransType, iHeadLen); //失败了,用探测的策略再试一次
}
}
if (iRet != 0) {
if (iRet == -2147483647) {
postMessage({ type: "outputData",
dType: 1501 }); //标记为格式不支持
} else {
postMessage({ type: "outputData",
dType: 1501 }); //转封装创建失败,也同样提示码流格式不支持,如果后续要细化再区分
}
console.log("_CreatHandle failed!" + iRet);
} else {
if (data.options && typeof data.options.pKeyData !== "undefined" && data.options.pKeyData !== null) {
if ((2 === iTransType && "" === data.options.pKeyData)) {
//转ps的时候如果密码是空是允许的即使码流加密了导出加密后的码流就行
//此时不要设置密码否则反而会提示密码错误
} else {
var secretInfo = data.options;
var keyLen = secretInfo.nKeyLen;
var pKeyData = Module._malloc(keyLen);
if (pKeyData === null) {
console.log("setEncryptKey malloc failed!!!");
return -1;
}
var nKeySize = secretInfo.pKeyData.length;
var bufData = stringToBytes(secretInfo.pKeyData);
let inputData = new Uint8Array(bufData);
Module.writeArrayToMemory(inputData, pKeyData);
inputData = null;
iRet = Module._SysTransSetEncryptKey(secretInfo.nKeyType, pKeyData, keyLen, nKeySize);
if (iRet != 0) {
console.log("_SysTransSetEncryptKey failed!");
}
if (pKeyData != null) {
Module._free(pKeyData);
pKeyData = null;
}
}
}
//带samplingParam参数代表需要 用到 音频替换功能
if (data.options && typeof data.options.samplingParam !== "undefined") {
var oParam = data.options.samplingParam;
var nCapacityType = 1; //写死1 代表 剔除音频
var nType = 3; //写死3 代表 修改输出目标的海康头配置,内部包含视频参数、音频参数
var nAudioEnable = 1; //音频参数修改使能开关0=不启用1=启用
var nAudioFormat = oParam.iAudioType; //音频编码类型 对应关系参考海康媒体头规范PCM 0x7001 G711_U 0x7110 G711_A 0x7111 AAC 0x2001
var nAudioChannels = oParam.iChannel; //音频通道数直接设置为
var nAudioBitsPerSample = oParam.iAudioBitWidth; //音频位样率
var nAudioSamplesrate = oParam.iAudioSamplingRate; //音频采样率
var nAudioBitrate = oParam.iAudioBitRate; //音频比特率
iRet = Module._SysTransConfig(nCapacityType, nType, nAudioEnable, nAudioFormat,
nAudioChannels, nAudioBitsPerSample, nAudioSamplesrate, nAudioBitrate);
if (iRet != 0) {
console.log("_SysTransConfig Failed:" + iRet);
}
} else {
iRet = Module._SysTransConfig(128, 0, 0, 0, 0, 0, 0, 0); //nCapacityType = 0x00000080 代表开启私有信息回调 解决转mp4后私有信息丢失问题
if (iRet != 0) {
console.log("_SysTransConfig Failed:" + iRet);
}
}
iRet = Module._SysTransRegisterDataCallBack();
if (iRet != 0) {
console.log("_SysTransRegisterDataCallBack Failed:" + iRet);
}
iRet = Module._SysTransStart(null, null);
if (iRet != 0) {
console.log("_SysTransStart Failed:" + iRet);
}
postMessage({type: "created"});
}
if (pHead != null) {
Module._free(pHead);
pHead = null;
}
}
} else if ("inputData" === data.type) {
if (RECORDRTP) {
var aFileData = new Uint8Array(data.buf); // 拷贝一份
var iBufferLen = aFileData.length;
var szBufferLen = iBufferLen.toString(16);
if (szBufferLen.length === 1) {
szBufferLen = "000" + szBufferLen;
} else if (szBufferLen.length === 2) {
szBufferLen = "00" + szBufferLen;
} else if (szBufferLen.length === 3) {
szBufferLen = "0" + szBufferLen;
}
var aData = [0, 0, parseInt(szBufferLen.substring(0, 2), 16), parseInt(szBufferLen.substring(2, 4), 16)];
for (var iIndex = 0, iDataLength = aFileData.length; iIndex < iDataLength; iIndex++) {
aData[iIndex + 4] = aFileData[iIndex];
}
var dataUint8 = new Uint8Array(aData);
postMessage({type: "outputData",
buf: dataUint8.buffer,
dType: 2});
} else {
let inputMode = 0; //代表输入原始数据
if (data.samplingParam) {
iRet = Module._SysTransInputAudioPara(5, data.samplingParam.iChannel, data.samplingParam.iAudioBitWidth,
data.samplingParam.iAudioSamplingRate, data.samplingParam.iTimeStamp, data.samplingParam.iAudioBitRate); //参数含义和_SysTransConfig类似
if (iRet != 0) {
console.log("_SysTransInputAudioPara Failed:" + iRet);
}
inputMode = 2; //输入替换的音频
}
var pInputDataBuf = Module._malloc(data.len);
var idataLen = data.len;
self.writeArrayToMemory(new Uint8Array(data.buf), pInputDataBuf);
// 输入数据每次最多2m
let pp = Module._SysTransInputData(inputMode, pInputDataBuf, idataLen);
if (pp == -2147483627) {
//-2147483627 对应十六进制的80000015
postMessage({ type: "outputData",
dType: 1500 }); //标记为密码错误
} else if (pp == -2147483647) {
postMessage({ type: "outputData",
dType: 1501 }); //标记为格式不支持
} else if (pp != 0) {
console.log("InputData Failed:" + pp);
}
Module._free(pInputDataBuf);
}
} else if ("release" === data.type) {
var iRet = Module._SysTransStop();
if (iRet != 0) {
console.log("_SysTransStop failed!");
}
Module._SysTransRelease();
if (iRet != 0) {
console.log("_SysTransRelease failed!");
}
close();
}
};