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@@ -0,0 +1,642 @@
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+/**
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+ * Created by wangweijie5 on 2016/12/5.
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+ */
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+(function (event) {
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+ const AUDIO_TYPE = 0; // 音频
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+ const VIDEO_TYPE = 1; // 视频
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+ const PRIVT_TYPE = 2; // 私有帧
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+
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+ const PLAYM4_AUDIO_FRAME = 100; // 音频帧
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+ const PLAYM4_VIDEO_FRAME = 101; // 视频帧
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+
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+ const PLAYM4_OK = 1;
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+ const PLAYM4_ORDER_ERROR = 2;
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+ const PLAYM4_DECODE_ERROR = 44 // 解码失败
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+ const PLAYM4_NOT_KEYFRAME = 48; // 非关键帧
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+ const PLAYM4_NEED_MORE_DATA = 31; // 需要更多数据才能解析
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+ const PLAYM4_NEED_NEET_LOOP = 35; //丢帧需要下个循环
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+ const PLAYM4_SYS_NOT_SUPPORT = 16; // 不支持
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+
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+ importScripts('Decoder.js');
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+ Module.addOnPostRun(function () {
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+ postMessage({ 'function': "loaded" });
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+ });
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+
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+ var iStreamMode = 0; // 流模式
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+
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+ var bOpenMode = false;
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+ var bOpenStream = false;
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+
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+ var funGetFrameData = null;
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+ var funGetAudFrameData = null;
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+
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+ var bWorkerPrintLog = false;//worker层log开关
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+
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+ var g_nPort = -1;
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+ var pInputData = null;
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+ var inputBufferSize = 40960;
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+
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+ self.JSPlayM4_RunTimeInfoCallBack = function (nPort, pstRunTimeInfo, pUser) {
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+ let port = nPort;
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+ let user = pUser;
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+ let nRunTimeModule = Module.HEAP32[pstRunTimeInfo >> 2];
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+ let nStrVersion = Module.HEAP32[pstRunTimeInfo + 4 >> 2];
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+ let nFrameTimeStamp = Module.HEAP32[pstRunTimeInfo + 8 >> 2];
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+ let nFrameNum = Module.HEAP32[pstRunTimeInfo + 12 >> 2];
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+ let nErrorCode = Module.HEAP32[pstRunTimeInfo + 16 >> 2];
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+ // console.log("nRunTimeModule:"+nRunTimeModule+",nFrameNum:"+nFrameNum+",nErrorCode:"+nErrorCode);
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+ postMessage({ 'function': "RunTimeInfoCallBack", 'nRunTimeModule': nRunTimeModule, 'nStrVersion': nStrVersion, 'nFrameTimeStamp': nFrameTimeStamp, 'nFrameNum': nFrameNum, 'nErrorCode': nErrorCode });
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+ }
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+
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+ onmessage = function (event) {
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+ var eventData = event.data;
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+ var res = 0;
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+ switch (eventData.command) {
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+ case "printLog":
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+ let downloadFlag = eventData.data;
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+ if (downloadFlag === true) {
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+ bWorkerPrintLog = true;
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+ res = Module._SetPrintLogFlag(g_nPort, downloadFlag);
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+ }
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+ else {
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+ bWorkerPrintLog = false;
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+ res = Module._SetPrintLogFlag(g_nPort, downloadFlag);
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+ }
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+
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+ if (res !== PLAYM4_OK) {
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+ console.log("DecodeWorker.js: PlayerSDK print log failed,res" + res);
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+ postMessage({ 'function': "printLog", 'errorCode': res });
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+ }
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+ break;
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+ case "SetPlayPosition":
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+ let nFrameNumOrTime = eventData.data;
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+ let enPosType = eventData.type;
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+ // res = Module._SetPlayPosition(nFrameNumOrTime,enPosType);
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+ // if (res !== PLAYM4_OK)
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+ // {
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+ // postMessage({'function': "SetPlayPosition", 'errorCode': res});
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+ // return;
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+ // }
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+ // //有没有buffer需要清除
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+
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+ break;
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+ case "SetStreamOpenMode":
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+ //获取端口号
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+ g_nPort = Module._GetPort();
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+ //设置流打开模式
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+ iStreamMode = eventData.data;
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+ res = Module._SetStreamOpenMode(g_nPort, iStreamMode);
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "SetStreamOpenMode", 'errorCode': res });
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+ return;
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+ }
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+ bOpenMode = true;
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+ break;
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+
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+ case "OpenStream":
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+ // 接收到的数据
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+ var iHeadLen = eventData.dataSize;
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+ var pHead = Module._malloc(iHeadLen + 4);
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+ if (pHead === null) {
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+ return;
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+ }
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+ var aHead = Module.HEAPU8.subarray(pHead, pHead + iHeadLen);
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+ aHead.set(new Uint8Array(eventData.data));
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+ res = Module._OpenStream(g_nPort, pHead, iHeadLen, eventData.bufPoolSize);
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+ postMessage({ 'function': "OpenStream", 'errorCode': res });
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+ if (res !== PLAYM4_OK) {
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+ //释放内存
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+ Module._free(pHead);
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+ pHead = null;
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+ return;
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+ }
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+ bOpenStream = true;
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+ break;
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+ case "Play":
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+ let resP = Module._Play(g_nPort);
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+ if (resP !== PLAYM4_OK) {
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+ return;
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+ }
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+ break;
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+ case "InputData":
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+ // 接收到的数据
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+ var iLen = eventData.dataSize;
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+ if (iLen > 0) {
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+ if (pInputData == null || iLen > inputBufferSize) {
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+ if (pInputData != null) {
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+ Module._free(pInputData);
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+ pInputData = null;
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+ }
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+ if (iLen > inputBufferSize) {
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+ inputBufferSize = iLen;
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+ }
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+
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+ pInputData = Module._malloc(inputBufferSize);
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+ if (pInputData === null) {
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+ return;
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+ }
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+ }
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+
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+ var inputData = new Uint8Array(eventData.data);
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+ // var aInputData = Module.HEAPU8.subarray(pInputData, pInputData + iLen);
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+ // aInputData.set(inputData);
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+ Module.writeArrayToMemory(inputData, pInputData);
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+ inputData = null;
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+ res = Module._InputData(g_nPort, pInputData, iLen);
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+ if (res !== PLAYM4_OK) {
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+ let errorCode = Module._GetLastError(g_nPort);
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+ let sourceRemain = Module._GetSourceBufferRemain(g_nPort);
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+ postMessage({ 'function': "InputData", 'errorCode': errorCode, "sourceRemain": sourceRemain });
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+ }
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+ //Module._free(pInputData);
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+ //pInputData = null;
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+ } else {
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+ let sourceRemain = Module._GetSourceBufferRemain(g_nPort);
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+ if (sourceRemain == 0) {
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+ postMessage({ 'function': "InputData", 'errorCode': PLAYM4_NEED_MORE_DATA });
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+ return;
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+ }
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+ }
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+
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+ /////////////////////
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+ // if (funGetFrameData === null) {
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+ // funGetFrameData = Module.cwrap('GetFrameData', 'number');
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+ // }
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+
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+ while (bOpenMode && bOpenStream) {
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+
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+ var ret = getFrameData();
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+ // 直到获取视频帧或数据不足为止
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+ if (PLAYM4_VIDEO_FRAME === ret || PLAYM4_NEED_MORE_DATA === ret || PLAYM4_ORDER_ERROR === ret)//PLAYM4_VIDEO_FRAME === ret || || PLAYM4_NEED_NEET_LOOP === ret
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+ {
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+ break;
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+ }
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+ }
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+ break;
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+
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+ case "SetSecretKey":
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+ var keyLen = eventData.nKeyLen;
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+ var pKeyData = Module._malloc(keyLen);
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+ if (pKeyData === null) {
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+ return;
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+ }
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+ var nKeySize = eventData.data.length
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+ var bufData = stringToBytes(eventData.data);
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+ var aKeyData = Module.HEAPU8.subarray(pKeyData, pKeyData + keyLen);
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+ let u8array = new Uint8Array(keyLen);
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+ aKeyData.set(u8array, 0);
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+ aKeyData.set(new Uint8Array(bufData));
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+ aKeyData = null;
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+ u8array = null;
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+
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+ res = Module._SetSecretKey(g_nPort, eventData.nKeyType, pKeyData, keyLen);//, nKeySize
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "SetSecretKey", 'errorCode': res });
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+ Module._free(pKeyData);
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+ pKeyData = null;
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+ return;
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+ }
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+
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+ Module._free(pKeyData);
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+ pKeyData = null;
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+ break;
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+
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+ case "GetBMP":
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+ var nBMPWidth = eventData.width;
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+ var nBMPHeight = eventData.height;
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+ var pYUVData = eventData.data;
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+ var nYUVSize = nBMPWidth * nBMPHeight * 3 / 2;
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+ var oJpegCropRect = {
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+ left: eventData.left,
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+ top: eventData.top,
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+ right: eventData.right,
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+ bottom: eventData.bottom
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+ };
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+
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+ var pDataYUV = Module._malloc(nYUVSize);
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+ if (pDataYUV === null) {
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+ return;
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+ }
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+
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+ Module.writeArrayToMemory(new Uint8Array(pYUVData, 0, nYUVSize), pDataYUV);
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+
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+ // 分配BMP空间
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+ var nBmpSize = nBMPWidth * nBMPHeight * 4 + 60;
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+ var pBmpData = Module._malloc(nBmpSize);
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+ var pBmpSize = Module._malloc(4);
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+ if (pBmpData === null || pBmpSize === null) {
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+ Module._free(pDataYUV);
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+ pDataYUV = null;
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+
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+ if (pBmpData != null) {
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+ Module._free(pBmpData);
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+ pBmpData = null;
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+ }
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+
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+ if (pBmpSize != null) {
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+ Module._free(pBmpSize);
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+ pBmpSize = null;
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+ }
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+ return;
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+ }
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+
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+ //Module._memset(pBmpSize, nBmpSize, 4); // 防止bmp截图出现输入数据过大的错误码
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+ Module.setValue(pBmpSize, nBmpSize, "i32");
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+ res = Module._GetBMP(g_nPort, pDataYUV, nYUVSize, pBmpData, pBmpSize,
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+ oBMPCropRect.left, oBMPCropRect.top, oBMPCropRect.right, oBMPCropRect.bottom);
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "GetBMP", 'errorCode': res });
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+ Module._free(pDataYUV);
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+ pDataYUV = null;
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+ Module._free(pBmpData);
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+ pBmpData = null;
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+ Module._free(pBmpSize);
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+ pBmpSize = null;
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+ return;
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+ }
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+
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+ // 获取BMP图片大小
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+ var nBmpDataSize = Module.getValue(pBmpSize, "i32");
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+
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+ // 获取BMP图片数据
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+ var aBmpData = new Uint8Array(nBmpDataSize);
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+ aBmpData.set(Module.HEAPU8.subarray(pBmpData, pBmpData + nBmpDataSize));
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+
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+ postMessage({ 'function': "GetBMP", 'data': aBmpData, 'errorCode': res }, [aBmpData.buffer]);
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+ aBmpData = null;
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+ if (pDataYUV != null) {
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+ Module._free(pDataYUV);
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+ pDataYUV = null;
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+ }
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+ if (pBmpData != null) {
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+ Module._free(pBmpData);
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+ pBmpData = null;
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+ }
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+ if (pBmpSize != null) {
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+ Module._free(pBmpSize);
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+ pBmpSize = null;
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+ }
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+ break;
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+
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+ case "GetJPEG":
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+ var nJpegWidth = eventData.width;
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+ var nJpegHeight = eventData.height;
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+ var pYUVData1 = eventData.data;
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+ var nYUVSize1 = nJpegWidth * nJpegHeight * 3 / 2;
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+ var oJpegCropRect = {
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+ left: eventData.left,
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+ top: eventData.top,
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+ right: eventData.right,
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+ bottom: eventData.bottom
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+ };
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+
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+ var pDataYUV1 = Module._malloc(nYUVSize1);
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+ if (pDataYUV1 === null) {
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+ return;
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+ }
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+
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+ Module.writeArrayToMemory(new Uint8Array(pYUVData1, 0, nYUVSize1), pDataYUV1);
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+
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+ // 分配JPEG空间
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+ var pJpegData = Module._malloc(nYUVSize1);
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+ var pJpegSize = Module._malloc(4);
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+ if (pJpegData === null || pJpegSize === null) {
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+ if (pJpegData != null) {
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+ Module._free(pJpegData);
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+ pJpegData = null;
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+ }
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+
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+ if (pJpegSize != null) {
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+ Module._free(pJpegSize);
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+ pJpegSize = null;
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+ }
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+
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+ if (pDataYUV1 != null) {
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+ Module._free(pDataYUV1);
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+ pDataYUV1 = null;
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+ }
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+ return;
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+ }
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+
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+ Module.setValue(pJpegSize, nJpegWidth * nJpegHeight * 2, "i32"); // JPEG抓图,输入缓冲长度不小于当前帧YUV大小
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+
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+ res = Module._GetJPEG(g_nPort, pDataYUV1, nYUVSize1, pJpegData, pJpegSize,
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+ oJpegCropRect.left, oJpegCropRect.top, oJpegCropRect.right, oJpegCropRect.bottom);
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "GetJPEG", 'errorCode': res });
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+ if (pJpegData != null) {
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+ Module._free(pJpegData);
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+ pJpegData = null;
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+ }
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+
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+ if (pJpegSize != null) {
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+ Module._free(pJpegSize);
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+ pJpegSize = null;
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+ }
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+
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+ if (pDataYUV1 != null) {
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+ Module._free(pDataYUV1);
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+ pDataYUV1 = null;
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+ }
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+ return;
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+ }
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+
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+ // 获取JPEG图片大小
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+ var nJpegSize = Module.getValue(pJpegSize, "i32");
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+
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+ // 获取JPEG图片数据
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+ var aJpegData = new Uint8Array(nJpegSize);
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+ aJpegData.set(Module.HEAPU8.subarray(pJpegData, pJpegData + nJpegSize));
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+
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+ postMessage({ 'function': "GetJPEG", 'data': aJpegData, 'errorCode': res }, [aJpegData.buffer]);
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+
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+ nJpegSize = null;
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+ aJpegData = null;
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+
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+ if (pDataYUV1 != null) {
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+ Module._free(pDataYUV1);
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+ pDataYUV1 = null;
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+ }
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+ if (pJpegData != null) {
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+ Module._free(pJpegData);
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+ pJpegData = null;
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+ }
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+ if (pJpegSize != null) {
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+ Module._free(pJpegSize);
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+ pJpegSize = null;
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+ }
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+ break;
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+
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+ case "SetDecodeFrameType":
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+ var nFrameType = eventData.data;
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+ res = Module._SetDecodeFrameType(g_nPort, nFrameType);
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "SetDecodeFrameType", 'errorCode': res });
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+ return;
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+ }
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+ break;
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+ case "CloseStream":
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+ //stop
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+ let resS = Module._Stop(g_nPort);
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+ if (resS !== PLAYM4_OK) {
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+ postMessage({ 'function': "Stop", 'errorCode': res });
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+ return;
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+ }
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+ //closeStream
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+ res = Module._CloseStream(g_nPort);
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+ if (res !== PLAYM4_OK) {
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+ postMessage({ 'function': "CloseStream", 'errorCode': res });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ //freePort
|
|
|
+ let resF = Module._FreePort(g_nPort);
|
|
|
+ if (resF !== PLAYM4_OK) {
|
|
|
+ postMessage({ 'function': "FreePort", 'errorCode': res });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (pInputData != null) {
|
|
|
+ Module._free(pInputData);
|
|
|
+ pInputData = null;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "PlaySound":
|
|
|
+ let resPS = Module._PlaySound(g_nPort);
|
|
|
+ if (resPS !== PLAYM4_OK) {
|
|
|
+ console.log("PlaySound failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "StopSound":
|
|
|
+ let resSS = Module._StopSound();
|
|
|
+ if (resSS !== PLAYM4_OK) {
|
|
|
+ console.log("StopSound failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "SetVolume":
|
|
|
+ let resSV = Module._SetVolume(g_nPort, eventData.volume);
|
|
|
+ if (resSV !== PLAYM4_OK) {
|
|
|
+ console.log("Audio SetVolume failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "GetVolume":
|
|
|
+ let volume = Module._GetVolume();
|
|
|
+ if (volume > 0) {
|
|
|
+ postMessage({ 'function': "GetVolume", 'volume': volume });
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ console.log("Audio GetVolume failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "OnlyPlaySound":
|
|
|
+ let resOPS = Module._OnlyPlaySound(g_nPort);
|
|
|
+ if (resOPS !== PLAYM4_OK) {
|
|
|
+ console.log("OnlyPlaySound failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case "Pause":
|
|
|
+ let resPa = Module._Pause(g_nPort, eventData.bPlay);
|
|
|
+ if (resPa !== PLAYM4_OK) {
|
|
|
+ console.log("Pause failed");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ case "PlayRate":
|
|
|
+ Module._SetPlayRate(g_nPort, eventData.playRate);
|
|
|
+ break;
|
|
|
+ case "SetIFrameDecInterval":
|
|
|
+ Module._SetIFrameDecInterval(g_nPort, eventData.data);
|
|
|
+ break;
|
|
|
+ case "SetLostFrameMode":
|
|
|
+ Module._SetLostFrameMode(g_nPort, eventData.data, 0);
|
|
|
+ break;
|
|
|
+ case "SetDemuxModel":
|
|
|
+ Module._SetDemuxModel(g_nPort, eventData.nIdemuxType, eventData.bTrue);
|
|
|
+ break;
|
|
|
+ case "SkipErrorData":
|
|
|
+ Module._SkipErrorData(g_nPort, eventData.bSkip);
|
|
|
+ break;
|
|
|
+ case "SetDecodeERC":
|
|
|
+ Module._SetDecodeERC(g_nPort, eventData.nLevel);
|
|
|
+ break;
|
|
|
+ case "SetANRParam":
|
|
|
+ Module._SetANRParam(g_nPort, eventData.nEnable, eventData.nANRLevel);
|
|
|
+ break;
|
|
|
+ case "SetResampleValue":
|
|
|
+ Module._SetResampleValue(g_nPort, eventData.nEnable, eventData.resampleValue);
|
|
|
+ break;
|
|
|
+ case "GetLastError":
|
|
|
+ let errorCode = Module._GetLastError(g_nPort);
|
|
|
+ postMessage({ 'function': "GetLastError", 'errorCode': errorCode });
|
|
|
+ break;
|
|
|
+ case "SetGlobalBaseTime":
|
|
|
+ Module._SetGlobalBaseTime(g_nPort, eventData.year, eventData.month, eventData.day, eventData.hour, eventData.min, eventData.sec, eventData.ms);
|
|
|
+ break;
|
|
|
+ case "SetRunTimeInfoCB":
|
|
|
+ Module._SetRunTimeInfoCallBackEx(g_nPort, eventData.nModuleType, 0);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ function getOSDTime(oFrameInfo) {
|
|
|
+ var iYear = oFrameInfo.year;
|
|
|
+ var iMonth = oFrameInfo.month;
|
|
|
+ var iDay = oFrameInfo.day;
|
|
|
+ var iHour = oFrameInfo.hour;
|
|
|
+ var iMinute = oFrameInfo.minute;
|
|
|
+ var iSecond = oFrameInfo.second;
|
|
|
+
|
|
|
+ if (iMonth < 10) {
|
|
|
+ iMonth = "0" + iMonth;
|
|
|
+ }
|
|
|
+ if (iDay < 10) {
|
|
|
+ iDay = "0" + iDay;
|
|
|
+ }
|
|
|
+ if (iHour < 10) {
|
|
|
+ iHour = "0" + iHour;
|
|
|
+ }
|
|
|
+ if (iMinute < 10) {
|
|
|
+ iMinute = "0" + iMinute;
|
|
|
+ }
|
|
|
+ if (iSecond < 10) {
|
|
|
+ iSecond = "0" + iSecond;
|
|
|
+ }
|
|
|
+
|
|
|
+ return iYear + "-" + iMonth + "-" + iDay + " " + iHour + ":" + iMinute + ":" + iSecond;
|
|
|
+ }
|
|
|
+ // 获取帧数据
|
|
|
+ function getFrameData() {
|
|
|
+ // function getFrameData() {
|
|
|
+ // 获取帧数据
|
|
|
+ var res = Module._GetFrameData();
|
|
|
+ //var res = fun();
|
|
|
+ if (res === PLAYM4_OK) {
|
|
|
+ var oFrameInfo = Module._GetFrameInfo();
|
|
|
+ switch (oFrameInfo.frameType) {
|
|
|
+ case AUDIO_TYPE:
|
|
|
+ var iSize = oFrameInfo.frameSize;
|
|
|
+ if (0 === iSize) {
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+ var pPCM = Module._GetFrameBuffer();
|
|
|
+ // var audioBuf = new ArrayBuffer(iSize);
|
|
|
+ var aPCMData = new Uint8Array(iSize);
|
|
|
+ aPCMData.set(Module.HEAPU8.subarray(pPCM, pPCM + iSize));
|
|
|
+ if (bWorkerPrintLog) {
|
|
|
+ console.log("<<<Worker: audio media Info: nSise:" + oFrameInfo.frameSize + ",nSampleRate:" + oFrameInfo.samplesPerSec + ',channel:' + oFrameInfo.channels + ',bitsPerSample:' + oFrameInfo.bitsPerSample);
|
|
|
+ }
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetFrameData", 'type': "audioType", 'data': aPCMData.buffer,
|
|
|
+ 'frameInfo': oFrameInfo, 'errorCode': res
|
|
|
+ }, [aPCMData.buffer]);
|
|
|
+
|
|
|
+ oFrameInfo = null;
|
|
|
+ pPCM = null;
|
|
|
+ aPCMData = null;
|
|
|
+ return PLAYM4_AUDIO_FRAME;
|
|
|
+
|
|
|
+ case VIDEO_TYPE:
|
|
|
+ var szOSDTime = getOSDTime(oFrameInfo);
|
|
|
+
|
|
|
+ var iWidth = oFrameInfo.width;
|
|
|
+ var iHeight = oFrameInfo.height;
|
|
|
+
|
|
|
+ var iYUVSize = iWidth * iHeight * 3 / 2;
|
|
|
+ if (0 === iYUVSize) {
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ var pYUV = Module._GetFrameBuffer();
|
|
|
+
|
|
|
+ // 图像数据渲染后压回,若从主码流切到子码流,存在数组大小与图像大小不匹配现象
|
|
|
+ var aYUVData = new Uint8Array(iYUVSize);
|
|
|
+ aYUVData.set(Module.HEAPU8.subarray(pYUV, pYUV + iYUVSize));
|
|
|
+ if (bWorkerPrintLog) {
|
|
|
+ console.log("<<<Worker: video media Info: Width:" + oFrameInfo.width + ",Height:" + oFrameInfo.height + ",timeStamp:" + oFrameInfo.timeStamp);
|
|
|
+ }
|
|
|
+
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetFrameData", 'type': "videoType", 'data': aYUVData.buffer,
|
|
|
+ 'dataLen': aYUVData.length, 'osd': szOSDTime, 'frameInfo': oFrameInfo, 'errorCode': res
|
|
|
+ }, [aYUVData.buffer]);
|
|
|
+
|
|
|
+ oFrameInfo = null;
|
|
|
+ pYUV = null;
|
|
|
+ aYUVData = null;
|
|
|
+ return PLAYM4_VIDEO_FRAME;
|
|
|
+
|
|
|
+ case PRIVT_TYPE:
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetFrameData", 'type': "", 'data': null,
|
|
|
+ 'dataLen': -1, 'osd': 0, 'frameInfo': null, 'errorCode': PLAYM4_SYS_NOT_SUPPORT
|
|
|
+ });
|
|
|
+ return PLAYM4_SYS_NOT_SUPPORT;
|
|
|
+
|
|
|
+ default:
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetFrameData", 'type': "", 'data': null,
|
|
|
+ 'dataLen': -1, 'osd': 0, 'frameInfo': null, 'errorCode': PLAYM4_SYS_NOT_SUPPORT
|
|
|
+ });
|
|
|
+ return PLAYM4_SYS_NOT_SUPPORT;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ let errorCode = Module._GetLastError(g_nPort);
|
|
|
+ //解码失败返回裸数据
|
|
|
+ if (PLAYM4_DECODE_ERROR === errorCode) {
|
|
|
+ var rawInfo = Module._GetRawDataInfo();
|
|
|
+ var pRawData = Module._GetRawDataBuffer();
|
|
|
+ var aRawData = new Uint8Array(rawInfo.isize);
|
|
|
+ aRawData.set(Module.HEAPU8.subarray(pRawData, pRawData + rawInfo.isize));
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetRawData", 'type': "", 'data': aRawData.buffer,
|
|
|
+ 'rawDataLen': rawInfo.isize, 'osd': 0, 'frameInfo': null, 'errorCode': errorCode
|
|
|
+ });
|
|
|
+ rawInfo = null;
|
|
|
+ pRawData = null;
|
|
|
+ aRawData = null;
|
|
|
+ }
|
|
|
+ //需要更多数据
|
|
|
+ if (PLAYM4_NEED_MORE_DATA === errorCode || PLAYM4_SYS_NOT_SUPPORT === errorCode || PLAYM4_NEED_NEET_LOOP === errorCode) {
|
|
|
+ postMessage({
|
|
|
+ 'function': "GetFrameData", 'type': "", 'data': null,
|
|
|
+ 'dataLen': -1, 'osd': 0, 'frameInfo': null, 'errorCode': errorCode
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return errorCode;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // 开始计算时间
|
|
|
+ function startTime() {
|
|
|
+ return new Date().getTime();
|
|
|
+ }
|
|
|
+
|
|
|
+ // 结束计算时间
|
|
|
+ function endTime() {
|
|
|
+ return new Date().getTime();
|
|
|
+ }
|
|
|
+
|
|
|
+ // 字母字符串转byte数组
|
|
|
+ function stringToBytes(str) {
|
|
|
+ var ch, st, 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;
|
|
|
+ }
|
|
|
+})();
|