C/C++编程：大华摄像头获取yuv数据

旧城等待， 2022-12-10 04:51 224阅读 0赞

// DecCallBack.cpp : Defines the entry point for the console application.
    //
     
    #include "stdafx.h"
    #include <Windows.h>
    #include <conio.h>
    #include "dhnetsdk.h"
    #include <stdio.h>
    #include "dhplay.h"
     
     
    #define PLAYPORT 1
     
     
    void CALLBACK DisConnectFunc(LONG lLoginID, char *pchDVRIP, LONG nDVRPort, DWORD dwUser)
    {
        
    	printf("设备断线.\n");
        return;
    }
     
    void CALLBACK AutoReConnectFunc(LONG lLoginID, char *pchDVRIP, LONG nDVRPort, DWORD dwUser)
    {
        
    	printf("自动重连成功.\n");
        return;
    }
     
    void CALLBACK RealDataCallBackEx(LONG lRealHandle, DWORD dwDataType, BYTE *pBuffer,DWORD dwBufSize, LONG lParam, DWORD dwUser)
    {
        
    	if (dwDataType == 0)  //原始视频流送播放库  
    	{
        
    		PLAY_InputData(PLAYPORT,pBuffer,dwBufSize);       
    	}
    }
     
    void CALLBACK DecCBFun(LONG nPort,char * pBuf,LONG nSize,FRAME_INFO * pFrameInfo, void* pUserData, LONG nReserved2)
    {
        
         //移走数据后，快速返回,即开始解码回调下一帧数据;不要在回调中运行长事务，否则阻塞解码下一帧数据
         // pbuf里的数据是YUV I420格式的数据 
     
    	 if(pFrameInfo->nType == 3) //视频数据 
    	 {
        
    	     
    		 printf("video CallBack\n");
    	 }
    	 else if(pFrameInfo->nType == T_AUDIO16)
    	 {
        
    		 //cout<<"Audio CallBack"<<endl;
    	 }
    	 else
    	 {
        
    		 printf("nType = %d\n",pFrameInfo->nType);
    	 }
    	 return;
    }
     
     
     
    int main(void)
    {
        
    	//打开播放通道
    	PLAY_OpenStream(PLAYPORT,0,0,1024*1024);
     	PLAY_SetDecCallBackEx(PLAYPORT, DecCBFun,NULL);
        PLAY_Play(PLAYPORT,NULL);
    	
    	
    	CLIENT_LogClose();
     
    	NET_DEVICEINFO deviceInfo ={
        0};
    	unsigned long lLogin;
    	CLIENT_Init(DisConnectFunc,0);//初始化sdk，设置断线回调函数
    	CLIENT_SetAutoReconnect(AutoReConnectFunc,0);
     
    	printf( " Login Device ... Please Input IP Address:\n");
     
    	char ip[255] = {
        0};
    	scanf("%s",ip);
    	lLogin = CLIENT_Login(ip,37777,"admin","admin",&deviceInfo);//登陆设备，用户需另选设备。
     
    	long lRealPlay;
    	if(lLogin != 0)
    	{
        
    		 printf( "Login Success ,Start Real Play\n");
    	     lRealPlay = CLIENT_RealPlay(lLogin,0,0);
     
    		 if(lRealPlay != 0)
    		 {
        
                 //窗口句柄传空值，网络库只回调原始数据
    			 CLIENT_SetRealDataCallBackEx(lRealPlay, RealDataCallBackEx, 0, 0x1f);
    		 }
    	}
    	else
    	{
        
    		printf(" Login Fail \n)");
    	}
    	_getch();
     
     
    	//释放网络库
    	CLIENT_StopRealPlay(lRealPlay);
    	CLIENT_Logout(lLogin);
    	CLIENT_Cleanup();
     
    	//关闭播放通道，释放资源
    	PLAY_Stop(PLAYPORT);
    	PLAY_CloseStream(PLAYPORT);
    	return 0;
    }