711 lines
26 KiB
Vue
711 lines
26 KiB
Vue
/**
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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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const PLAYM4_AUDIO_FRAME = 100; // 音频帧
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const PLAYM4_VIDEO_FRAME = 101; // 视频帧
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const PLAYM4_OK = 1;
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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_SYS_NOT_SUPPORT = 16; // 不支持
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const PLAYM4_PARA_ENCODER_ERROR = 71; //音频编码参数错误
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const PLAYM4_PRECONDITION_ENCODER_ERROR = 72; //不满足音频编码条件错误
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const PLAYM4_ENCODER_ERROR = 73; //音频编码失败
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const PLAYM4_CREATE_ENCODER_ERROR = 74; //创建音频编码器失败
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const PLAYM4_NOSUPPORT_ENCODER_ERROR = 75; //音频编码不支持
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const PLAYM4_ALLOC_MEMORY_ENCODER_ERROR = 76; //音频编码相关内存申请失败
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const PLAYM4_BUF_OVER_ENCODER_ERROR = 77; //音频编码相关buffer满
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const PLAYM4_NEED_MORE_DATA_ENCODER_ERROR = 78; //音频编码需要更多数据进行编码
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const PLAYM4_CALL_ORDER_ENCODER_ERROR = 79; //音频编码调用顺序错误
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const PLAYM4_ITYPE_DECODE_ERROR =100; //定位后送进来的第一帧I帧解码失败
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const PLAYM4_FIRST_FRAME_NOT_ICURRENT =101; //定位后送进来的第一帧不是定位帧所在的I帧（Ni>Mp）
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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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var iStreamMode = 0; // 流模式
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var bOpenMode = false;
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var bOpenStream = false;
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var funGetFrameData = null;
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var funGetAudFrameData = null;
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var bWorkerPrintLog=false;//worker层log开关
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onmessage = function (event)
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{
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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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{
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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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{
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bWorkerPrintLog=true;
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res = Module._SetPrintLogFlag(downloadFlag);
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}
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else
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{
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bWorkerPrintLog=false;
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res = Module._SetPrintLogFlag(downloadFlag);
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}
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if (res !== PLAYM4_OK)
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{
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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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break;
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case "SetStreamOpenMode":
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iStreamMode = eventData.data;
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res = Module._SetStreamOpenMode(iStreamMode);
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if (res !== PLAYM4_OK)
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{
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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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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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{
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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(eventData.data);
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res = Module._OpenStream(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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{
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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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// 加4字节长度信息
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var a32 = new Uint32Array([iHeadLen]);
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var a8 = new Uint8Array(a32.buffer);
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var tempBuf = new Uint8Array(iHeadLen + 4);
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tempBuf.set(a8, 0);
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tempBuf.set(eventData.data, 4);
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a32 = null;
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a8 = null;
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aHead = Module.HEAPU8.subarray(pHead, pHead + iHeadLen + 4);
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aHead.set(tempBuf);
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tempBuf = null;
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res = Module._InputData(pHead, iHeadLen + 4);
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if (res !== PLAYM4_OK)
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{
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postMessage({'function': "InputData", 'errorCode': res});
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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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// 释放内存
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Module._free(pHead);
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pHead = null;
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if (funGetFrameData === null) {
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funGetFrameData = Module.cwrap('GetFrameData', 'number');
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}
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if (iStreamMode === 0) {
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// Module._GetFrameData();
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funGetFrameData();
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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(bWorkerPrintLog)
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{
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console.log("<<<Worker: DecodeWorker-InputData iLen:"+iLen);
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}
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if (iLen > 0)
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{
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var pInputData = Module._malloc(iLen);
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if (pInputData === null)
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{
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return;
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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(pInputData, iLen);
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//console.log("DecodeWorker-InputData-ret:%d", res);
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if(bWorkerPrintLog)
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{
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console.log("<<<Worker:InputData result:"+ +res);
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}
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if (res !== PLAYM4_OK)
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{
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if (res === 98)
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{
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res = 1;
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}
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postMessage({'function': "InputData", 'errorCode': res});
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}
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Module._free(pInputData);
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pInputData = null;
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}
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/////////////////////
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if (funGetFrameData === null)
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{
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funGetFrameData = Module.cwrap('GetFrameData', 'number');
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}
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while (bOpenMode && bOpenStream)
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{
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var ret = getFrameData(funGetFrameData);
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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)
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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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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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aKeyData.set(new Uint8Array(bufData));
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res = Module._SetSecretKey(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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Module._free(pKeyData);
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pKeyData = null;
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break;
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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 oBMPCropRect = eventData.rect;
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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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Module.writeArrayToMemory(new Uint8Array(pYUVData, 0, nYUVSize), pDataYUV);
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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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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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return;
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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(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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// 获取BMP图片大小
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var nBmpDataSize = Module.getValue(pBmpSize, "i32");
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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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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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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 = eventData.rect;
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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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Module.writeArrayToMemory(new Uint8Array(pYUVData1, 0, nYUVSize1), pDataYUV1);
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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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if (pJpegSize != null) {
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Module._free(pJpegSize);
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pJpegSize = 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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return;
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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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res = Module._GetJPEG(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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if (pJpegSize != null) {
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Module._free(pJpegSize);
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pJpegSize = 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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return;
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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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// 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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postMessage({'function': "GetJPEG", 'data': aJpegData, 'errorCode': res}, [aJpegData.buffer]);
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nJpegSize = null;
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aJpegData = null;
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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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case "SetDecodeFrameType":
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var nFrameType = eventData.data;
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res = Module._SetDecodeFrameType(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 "DisplayRegion":
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var nRegionNum = eventData.nRegionNum;
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var srcRect = eventData.srcRect;
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var hDestWnd = eventData.hDestWnd;
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var bEnable = eventData.bEnable;
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res = Module._SetDisplayRegion(nRegionNum, srcRect, hDestWnd, bEnable);
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if (res !== PLAYM4_OK) {
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postMessage({'function': "DisplayRegion", '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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res = Module._CloseStream();
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if (res !== PLAYM4_OK) {
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postMessage({'function': "CloseStream", 'errorCode': res});
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return;
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}
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break;
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case "SetIFrameDecInterval":
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Module._SetIFrameDecInterval(eventData.data);
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break;
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case "SetLostFrameMode":
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Module._SetLostFrameMode(eventData.data);
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break;
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/*******************************************worker音频编码相关接口实现**********************************************************/
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case "CreateAudEncode":
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res = Module._CreateAudEncode(eventData.encodertype);
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postMessage({'function':"CreateAudEncode",'errorCode':res});
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break;
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case "SetAudEncodeParam":
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res = Module._SetAudEncodeParam(eventData.samplerate, eventData.channel, eventData.bitrate, eventData.bitwidth);
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postMessage({'function':"SetAudEncodeParam",'errorCode':res});
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break;
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case "DestroyAudEncode":
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res = Module._DestroyAudEncode();
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postMessage({'function':"DestroyAudEncode",'errorCode':res});
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break;
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case "InputAudEncodeData":
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if(bWorkerPrintLog)
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{
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console.log("<<<Worker: 20200113 DecodeWorker-InputAudEncodeData 1");
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}
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var iLen = eventData.dataSize;
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if(iLen > 0)
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{
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var pAudInputData = Module._malloc(iLen);
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if (pAudInputData === null)
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{
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return;
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}
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var audinputData = new Uint8Array(eventData.data);
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Module.writeArrayToMemory(audinputData, pAudInputData);
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audinputData = null;
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res = Module._InputAudEncodeData(pAudInputData, iLen);
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if(bWorkerPrintLog)
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{
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console.log("<<<Worker: 20200113 DecodeWorker-InputAudEncodeData 2 res:"+res);
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}
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if(res == PLAYM4_OK) //接口返回成功，表明已编码好一帧音频数据
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{
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if (funGetAudFrameData === null)
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{
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funGetAudFrameData = Module.cwrap('GetAudFrameData', 'number');
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}
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if(bWorkerPrintLog)
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{
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console.log("<<<Worker: 20200113 DecodeWorker-InputAudEncodeData 2-1 succ");
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}
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//调用C++ GetAudFrameData
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var ret = getAudFrameData(funGetAudFrameData);
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}
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Module._free(pAudInputData);
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pAudInputData = null;
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}
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break;
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default:
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break;
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}
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};
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function getOSDTime(oFrameInfo) {
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var iYear = oFrameInfo.year;
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var iMonth = oFrameInfo.month;
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var iDay = oFrameInfo.day;
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var iHour = oFrameInfo.hour;
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var iMinute = oFrameInfo.minute;
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var iSecond = oFrameInfo.second;
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if (iMonth < 10) {
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iMonth = "0" + iMonth;
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}
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if (iDay < 10) {
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iDay = "0" + iDay;
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}
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if (iHour < 10) {
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iHour = "0" + iHour;
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}
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||
if (iMinute < 10) {
|
||
iMinute = "0" + iMinute;
|
||
}
|
||
if (iSecond < 10) {
|
||
iSecond = "0" + iSecond;
|
||
}
|
||
|
||
return iYear + "-" + iMonth + "-" + iDay + " " + iHour + ":" + iMinute + ":" + iSecond;
|
||
}
|
||
|
||
function getAudFrameData(fun)
|
||
{
|
||
if(bWorkerPrintLog)
|
||
{
|
||
console.log("<<<Worker: DecodeWorker-getAudFrameData 1");
|
||
}
|
||
|
||
var res = fun(); // 调用C++GetAudFrameData函数
|
||
if(res === PLAYM4_OK)
|
||
{
|
||
var oFrameInfo = Module._GetAudFrameInfo();
|
||
var iSize = oFrameInfo.frameSize;
|
||
if (0 === iSize)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
var pEncodeAud = Module._GetAudFrameBuffer();
|
||
if(pEncodeAud == null)
|
||
{
|
||
return null;
|
||
}
|
||
var aEncodeAudData = new Uint8Array(iSize);
|
||
aEncodeAudData.set(Module.HEAPU8.subarray(pEncodeAud, pEncodeAud + iSize));
|
||
if(bWorkerPrintLog)
|
||
{
|
||
console.log("<<<Worker: DecodeWorker-getAudFrameData 2");
|
||
}
|
||
|
||
//获取到音频编码帧数据通过worker返回
|
||
postMessage({'function':"GetAudEncodeData",'data':aEncodeAudData.buffer,'dataSize':iSize, 'errorCode': res});
|
||
}
|
||
else
|
||
{
|
||
postMessage({'function':"GetAudEncodeData",'data':null,'dataSize':-1, 'errorCode': res});
|
||
}
|
||
oFrameInfo=null;
|
||
pEncodeAud=null;
|
||
aEncodeAudData=null;
|
||
return res;
|
||
}
|
||
|
||
// 获取帧数据
|
||
function getFrameData(fun)
|
||
{
|
||
// function getFrameData() {
|
||
// 获取帧数据
|
||
// var res = Module._GetFrameData();
|
||
var res = fun();
|
||
if(bWorkerPrintLog)
|
||
{
|
||
console.log("<<<Worker: getFrameData Result:"+res);
|
||
}
|
||
|
||
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: InputData-getFrameData Video: 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 {
|
||
//解码失败返回裸数据
|
||
if(PLAYM4_DECODE_ERROR===res)
|
||
{
|
||
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': res
|
||
});
|
||
rawInfo=null;
|
||
pRawData=null;
|
||
aRawData=null;
|
||
}
|
||
//定位返回的错误
|
||
if(PLAYM4_FIRST_FRAME_NOT_ICURRENT===res|| PLAYM4_ITYPE_DECODE_ERROR===res)
|
||
{
|
||
postMessage({
|
||
'function': "GetFrameData", 'type': "", 'data': null,
|
||
'dataLen': -1, 'osd': 0, 'frameInfo': null, 'errorCode': res
|
||
});
|
||
}
|
||
//需要更多数据
|
||
if (PLAYM4_NEED_MORE_DATA === res || PLAYM4_SYS_NOT_SUPPORT === res || PLAYM4_NOT_KEYFRAME === res){
|
||
postMessage({
|
||
'function': "GetFrameData", 'type': "", 'data': null,
|
||
'dataLen': -1, 'osd': 0, 'frameInfo': null, 'errorCode': res
|
||
});
|
||
}
|
||
return res;
|
||
}
|
||
}
|
||
|
||
// 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;
|
||
}
|
||
})(); |