请教问题，把opencv2.4.9用在sample_venc里面去使用，编译一直不通过

海思

我将opencv2.4.9交叉编译，并通过nfs挂载检验后，是可用的，然后我为了实现在手势识别的功能，就对sample采集的图片就是识别处理，但是修改后一直无法编译成功，我修改部分的代码如下：
/******************************************
   step 8: snap picture process
******************************************/
printf("please press 'q' to exit this sample, press any other key to snap one picture to file!\n");
i = 0;
while ((ch = (char)getchar()) != 'q')
{
      printf("prepare to snap one picture! Please wait...\n");
      s32Ret = SAMPLE_COMM_VENC_SnapProcess(VencChn[1], 1, HI_TRUE, HI_FALSE);
      if (HI_SUCCESS != s32Ret)
      {
         SAMPLE_PRT("%s: sanp process failed!\n", __FUNCTION__);
         break;
      }
      printf("snap %d success!\n", i);

      i++;

IplImage* img = NULL;
      IplImage* cutImg = NULL;
   CvMemStorage* storage = cvCreateMemStorage(0);
   CvHaarClassifierCascade* cascade = (CvHaarClassifierCascade*)cvLoad("./haarcascade_frontalface_alt2.xml", 0, 0, 0);
   CvSeq* faces;

char picname[100];
springf(picname,"snap_%d.jpg",i);

img = cvLoadImage(picname, 0);
   timeRec();
faces = cvHaarDetectObjects(img, cascade, storage, 1.2, 2, 0, cvSize(25,25));
timeRep();
if (faces->total == 0){
        printf("no face!\n");
}
cvSetImageROI(img, *((CvRect*)cvGetSeqElem( faces, 0)));
cvSaveImage("face.bmp", img);
cvResetImageROI(img);
printf("face detected! in face.bmp!\n");

      printf("\npress 'q' to exit snap!\nperess any other key to capture one picture to file\n");
}

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qn1557845218

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qn1557845218 2020-01-13 14:01:30

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sample_venc.c:2252:5: warning: implicit declaration of function 'timeRec' [-Wimplicit-function-declaration]
   timeRec();
   ^~~~~~~
sample_venc.c:2253:14: error: too few arguments to function 'cvHaarDetectObjects'
   faces = cvHaarDetectObjects(img, cascade, storage, 1.2, 2, 0, cvSize(25,25));
            ^~~~~~~~~~~~~~~~~~~
In file included from cv.h:71:0,
               from sample_venc.c:29:
/opt/hisi-linux/x86-arm/arm-himix100-linux/arm-linux-uclibceabi/include/opencv2/objdetect/objdetect.hpp:139:15: note: declared here
CVAPI(CvSeq*) cvHaarDetectObjects( const CvArr* image,
            ^~~~~~~~~~~~~~~~~~~
sample_venc.c:2254:6: warning: implicit declaration of function 'timeRep' [-Wimplicit-function-declaration]
   timeRep();
   ^~~~~~~
sample_venc.c:2259:6: error: too few arguments to function 'cvSaveImage'
   cvSaveImage("face.bmp", img);
   ^~~~~~~~~~~
In file included from /home/lxd/hi/Hi3516EV200R001C01SPC012/01.software/board/Hi3516EV200_SDK_V1.0.1.2/mpp/sample/venc/../common/highgui.h:47:0,
               from sample_venc.c:30:
/opt/hisi-linux/x86-arm/arm-himix100-linux/arm-linux-uclibceabi/include/opencv2/highgui/highgui_c.h:230:12: note: declared here
CVAPI(int) cvSaveImage( const char* filename, const CvArr* image,

qn1557845218

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qn1557845218 2020-01-13 14:02:10

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这是出现的错误：
sample_venc.c:2252:5: warning: implicit declaration of function 'timeRec' [-Wimplicit-function-declaration]
   timeRec();
   ^~~~~~~
sample_venc.c:2253:14: error: too few arguments to function 'cvHaarDetectObjects'
   faces = cvHaarDetectObjects(img, cascade, storage, 1.2, 2, 0, cvSize(25,25));
            ^~~~~~~~~~~~~~~~~~~
In file included from cv.h:71:0,
               from sample_venc.c:29:
/opt/hisi-linux/x86-arm/arm-himix100-linux/arm-linux-uclibceabi/include/opencv2/objdetect/objdetect.hpp:139:15: note: declared here
CVAPI(CvSeq*) cvHaarDetectObjects( const CvArr* image,
            ^~~~~~~~~~~~~~~~~~~
sample_venc.c:2254:6: warning: implicit declaration of function 'timeRep' [-Wimplicit-function-declaration]
   timeRep();
   ^~~~~~~
sample_venc.c:2259:6: error: too few arguments to function 'cvSaveImage'
   cvSaveImage("face.bmp", img);
   ^~~~~~~~~~~
In file included from /home/lxd/hi/Hi3516EV200R001C01SPC012/01.software/board/Hi3516EV200_SDK_V1.0.1.2/mpp/sample/venc/../common/highgui.h:47:0,
               from sample_venc.c:30:
/opt/hisi-linux/x86-arm/arm-himix100-linux/arm-linux-uclibceabi/include/opencv2/highgui/highgui_c.h:230:12: note: declared here
CVAPI(int) cvSaveImage( const char* filename, const CvArr* image,

qn1525237779

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qn1525237779 2020-03-19 15:40:16

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[quote][url=forum.php?mod=redirect&goto=findpost&pid=152478&ptid=77386]qn1557845218 发表于 2020-1-13 14:02[/url]
这是出现的错误：
sample_venc.c:2252:5: warning: implicit declaration of function 'timeRec' [-Wimpli ...[/quote]

Hi3516EV200R001C01SPC012 版本的SDK可否分享一下，谢谢先。

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