分段错误，找不到我做错的地方

我找不到我在覆盖物pi的C 代码中做错的地方，它给了我一个细分错误，但是在寻找4个小时并在这里搜索后，我没发现错误

当程序试图访问不是他的内存时，就会发生我的知识细分错误，但我看不到这在任何地方发生。

我基本上是在尝试使用Raspberry Pi模块找到某个彩色对象

#include <cv.h>
#include <highgui.h>
#include <stdio.h>
#include <unistd.h>
#include "RaspiCamCV.h"
using namespace cv;
int main(int argc, char *argv[ ]){
    RASPIVID_CONFIG * config = (RASPIVID_CONFIG*)malloc(sizeof(RASPIVID_CONFIG));
    config->width=320;
    config->height=240;
    config->bitrate=0;      // zero: leave as default
    config->framerate=0;
    config->monochrome=0;
    int opt;
    while ((opt = getopt(argc, argv, "lxm")) != -1)
    {
        switch (opt)
        {
            case 'l':                                       // large
                config->width = 640;
                config->height = 480;
                break;
            case 'x':                                       // extra large
                config->width = 960;
                config->height = 720;
                break;
            case 'm':                                       // monochrome
                config->monochrome = 1;
                break;
            default:
                fprintf(stderr, "Usage: %s [-x] [-l] [-m] n", argv[0], opt);
                fprintf(stderr, "-l: Large moden");
                fprintf(stderr, "-x: Extra large moden");
                fprintf(stderr, "-l: Monochrome moden");
                exit(EXIT_FAILURE);
        }
    }
    /*
     Could also use hard coded defaults method: raspiCamCvCreateCameraCapture(0)
     */
    RaspiCamCvCapture * capture = (RaspiCamCvCapture *) raspiCamCvCreateCameraCapture2(0, config);
    free(config);
    CvFont font;
    double hScale=0.4;
    double vScale=0.4;
    int    lineWidth=1;
    cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX|CV_FONT_ITALIC, hScale, vScale, 0, lineWidth, 8);
    cvNamedWindow("RaspiCamTest", 1);
    int exit = 0;
    IplImage* x;
    IplConvKernel* erodeElement;
    IplConvKernel* dilateElement;
    printf("start");

    do {
        IplImage* image = raspiCamCvQueryFrame(capture);
        cvCvtColor(image, x, COLOR_BGR2HSV);
        cvInRangeS(&x, cvScalar(0,137,171), cvScalar(48,256,248), x);
        char text[200];
        sprintf(text, "Press ESC to exit");
        cvPutText(x, text, cvPoint(05, 80), &font, cvScalar(255, 255, 0, 0));
        printf("hi");
        erodeElement = cvCreateStructuringElementEx(3,3,-1,-1,MORPH_RECT);
        dilateElement = cvCreateStructuringElementEx(6,6,-1,-1,MORPH_RECT);
        cvErode(x,x,erodeElement);
        cvErode(x,x,erodeElement);
        cvDilate(x,x,dilateElement);
        cvDilate(x,x,dilateElement);

        cvShowImage("RaspiCamTest2", static_cast<CvArr*>(&x));
        cvShowImage("RaspiCamTest", image);
        char key = cvWaitKey(10);
        switch(key)
        {
            case 27:                // Esc to exit
                exit = 1;
                break;
            case 60:                // < (less than)
                raspiCamCvSetCaptureProperty(capture, RPI_CAP_PROP_FPS, 25);    // Currently NOOP
                break;
            case 62:                // > (greater than)
                raspiCamCvSetCaptureProperty(capture, RPI_CAP_PROP_FPS, 30);    // Currently NOOP
                break;
        }
    } while (!exit);
    cvDestroyWindow("RaspiCamTest");
    raspiCamCvReleaseCapture(&capture);
    return 0;
}