#include <stdio.h> #include <sys/time.h> #include <chrono> #include <opencv2/opencv.hpp> #include <unistd.h> #include <errno.h> #include "HCNetSDK.h" #include "iniFile.h" #include "PlayM4.h" //解码回调 视频为YUV数据(YV12)，音频为PCM数据 void CALLBACK G_DecCBFun(int nPort, char * pBuf, int nSize, FRAME_INFO * pFrameInfo, void* nReserved1, int nReserved2) { // std::cout << "****************" << std::endl; long lFrameType = pFrameInfo->nType; if (lFrameType == T_YV12) { cv::Mat pImg(pFrameInfo->nHeight, pFrameInfo->nWidth, CV_8UC3); cv::Mat src(pFrameInfo->nHeight + pFrameInfo->nHeight / 2, pFrameInfo->nWidth, CV_8UC1, pBuf); cv::cvtColor(src, pImg, cv::COLOR_YUV2BGR_YV12); cv::Mat img = pImg.clone(); cv::resize(img, img, cv::Size(0, 0), 0.5, 0.5); cv::imshow("image", img); cv::waitKey(10); } } LONG G_nPort = -1; void PsDataCallBack(LONG lRealHandle, DWORD dwDataType, BYTE *pPacketBuffer, DWORD nPacketSize, void* pUser) { switch (dwDataType) { case NET_DVR_SYSHEAD: //系统头 if (!PlayM4_GetPort(&G_nPort)) //获取播放库未使用的通道号 { break; } //m_iPort = lPort; //第一次回调的是系统头，将获取的播放库port号赋值给全局port，下次回调数据时即使用此port号播放 if (nPacketSize > 0) { if (!PlayM4_SetStreamOpenMode(G_nPort, STREAME_REALTIME)) //设置实时流播放模式 { break; } if (!PlayM4_OpenStream(G_nPort, pPacketBuffer, nPacketSize, 10 * 1024 * 1024)) //打开流接口 { break; } if (!PlayM4_Play(G_nPort, NULL)) //播放开始 { break; } if (!PlayM4_SetDecCallBack(G_nPort, G_DecCBFun)) { break; } } break; case NET_DVR_STREAMDATA: //码流数据 if (nPacketSize > 0 && G_nPort != -1) { if (!PlayM4_InputData(G_nPort, pPacketBuffer, nPacketSize)) { // std::cout << "error" << PlayM4_GetLastError(G_nPort) << std::endl; break; } } break; default: //其他数据 if (nPacketSize > 0 && G_nPort != -1) { if (!PlayM4_InputData(G_nPort, pPacketBuffer, nPacketSize)) { break; } } break; } } void GetStream() { std::vector<std::string> paths; paths.push_back("../config/Device.ini"); // 配置信息 for(int k=0; k<1; k++) { // 从配置文件读取设备信息 IniFile ini(paths.at(k).c_str()); unsigned int dwSize = 0; char sSection[16] = "DEVICE"; char *sIP = ini.readstring(sSection, "ip", "error", dwSize); int iPort = ini.readinteger(sSection, "port", 0); char *sUserName = ini.readstring(sSection, "username", "error", dwSize); char *sPassword = ini.readstring(sSection, "password", "error", dwSize); int iChannel = ini.readinteger(sSection, "channel", 0); NET_DVR_DEVICEINFO_V30 struDeviceInfo; int iUserID = NET_DVR_Login_V30(sIP, iPort, sUserName, sPassword, &struDeviceInfo); std::cout << iUserID << std::endl; if(iUserID >= 0) { NET_DVR_PREVIEWINFO struPreviewInfo = {0}; struPreviewInfo.lChannel =iChannel; struPreviewInfo.dwStreamType = 0; struPreviewInfo.dwLinkMode = 0; struPreviewInfo.bBlocked = 1; struPreviewInfo.bPassbackRecord = 1; LONG nPort = -1; int iRealPlayHandle = NET_DVR_RealPlay_V40(iUserID, &struPreviewInfo, PsDataCallBack, &nPort); if(iRealPlayHandle >= 0) { printf("[GetStream]---RealPlay %s:%d success, \n", sIP, iChannel, NET_DVR_GetLastError()); } else { printf("[GetStream]---RealPlay %s:%d failed, error = %d\n", sIP, iChannel, NET_DVR_GetLastError()); } } else { printf("[GetStream]---Login %s failed, error = %d\n", sIP, NET_DVR_GetLastError()); } } } int main() { NET_DVR_Init(); GetStream(); char c = 0; while('q' != c) { printf("input 'q' to quit\n"); printf("input: "); scanf("%c", &c); } NET_DVR_Cleanup(); return 0; }