本代码由相机驱动里面的代码改写而成

#include "CameraApi.h" //相机SDK的API头文件
#include"opencv2/opencv.hpp"
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <stdio.h>

using namespace cv;

unsigned char           * g_pRgbBuffer;     //处理后数据缓存区

int main()
{

    int                     iCameraCounts = 1;
    int                     iStatus=-1;
    tSdkCameraDevInfo       tCameraEnumList;
    int                     hCamera;
    tSdkCameraCapbility     tCapability;      //设备描述信息
    tSdkFrameHead           sFrameInfo;
    BYTE*			        pbyBuffer;
    int                     iDisplayFrames = 10000;
    //IplImage                *iplImage = NULL;
    int                     channel=3;
    double                  pfExposureTime=1000;
    int i=0;
    int n=0;
    char filename[100];
    CameraSdkInit(1);

    //枚举设备，并建立设备列表
    iStatus = CameraEnumerateDevice(&tCameraEnumList,&iCameraCounts);
	printf("state = %d\\n", iStatus);

	printf("count = %d\\n", iCameraCounts);
    //没有连接设备
    if(iCameraCounts==0){
        return -1;
    }

    //相机初始化。初始化成功后，才能调用任何其他相机相关的操作接口
    iStatus = CameraInit(&tCameraEnumList,-1,-1,&hCamera);

    //初始化失败
	printf("state = %d\\n", iStatus);
    if(iStatus!=CAMERA_STATUS_SUCCESS){
        return -1;
    }

    //获得相机的特性描述结构体。该结构体中包含了相机可设置的各种参数的范围信息。决定了相关函数的参数
    CameraGetCapability(hCamera,&tCapability);
    // CameraSetExposureTime(hCamera,pfExposureTime);
    // CameraGetExposureTime(hCamera,&pfExposureTime);
    //
    g_pRgbBuffer = (unsigned char*)malloc(tCapability.sResolutionRange.iHeightMax*tCapability.sResolutionRange.iWidthMax*3);
    //g_readBuf = (unsigned char*)malloc(tCapability.sResolutionRange.iHeightMax*tCapability.sResolutionRange.iWidthMax*3);

    /*让SDK进入工作模式，开始接收来自相机发送的图像
    数据。如果当前相机是触发模式，则需要接收到
    触发帧以后才会更新图像。    */
    CameraPlay(hCamera);
    
    /*其他的相机参数设置
    例如 CameraSetExposureTime   CameraGetExposureTime  设置/读取曝光时间
         CameraSetImageResolution  CameraGetImageResolution 设置/读取分辨率
         CameraSetGamma、CameraSetConrast、CameraSetGain等设置图像伽马、对比度、RGB数字增益等等。
         本例程只是为了演示如何将SDK中获取的图像，转成OpenCV的图像格式,以便调用OpenCV的图像处理函数进行后续开发
    */

    if(tCapability.sIspCapacity.bMonoSensor){
        channel=1;
        CameraSetIspOutFormat(hCamera,CAMERA_MEDIA_TYPE_MONO8);
    }else{
        channel=3;
        CameraSetIspOutFormat(hCamera,CAMERA_MEDIA_TYPE_BGR8);
    }

        
    //循环显示1000帧图像
    while(iDisplayFrames--)
    {
        if(CameraGetImageBuffer(hCamera,&sFrameInfo,&pbyBuffer,1000) == CAMERA_STATUS_SUCCESS)
		{
                //CameraSetExposureTime(hCamera,pfExposureTime);
                //CameraGetExposureTime(hCamera,&pfExposureTime);
		    CameraImageProcess(hCamera, pbyBuffer, g_pRgbBuffer,&sFrameInfo);
		    
		    cv::Mat matImage(
					cv::Size(sFrameInfo.iWidth,sFrameInfo.iHeight), 
					sFrameInfo.uiMediaType == CAMERA_MEDIA_TYPE_MONO8 ? CV_8UC1 : CV_8UC3,
					g_pRgbBuffer
					);

			imshow("Opencv Demo", matImage);
						//下方注释的为保存图片的功能
            // if(i==10){
            //     std::sprintf(filename, "1/%d.jpg", n);
														//"1/%d.jpg"为地址/格式
            //     imwrite(filename,matImage);
            //     n++;
            //     i=0;
            // }
            // i++;
            waitKey(5);

            //在成功调用CameraGetImageBuffer后，必须调用CameraReleaseImageBuffer来释放获得的buffer。
			//否则再次调用CameraGetImageBuffer时，程序将被挂起一直阻塞，直到其他线程中调用CameraReleaseImageBuffer来释放了buffer
			CameraReleaseImageBuffer(hCamera,pbyBuffer);

		}
    }

    CameraUnInit(hCamera);
    //注意，现反初始化后再free
    free(g_pRgbBuffer);

    return 0;
}