darknet网络中识别本地视频

// 郝老师修改视频,在darknet中嵌入识别本地视频的程序。
#ifdef OPENCV
image ipl_to_image(IplImage* src);
#include 
#include "image.h"
#include   
#include "highgui.h"
#include "opencv2/highgui/highgui_c.h"
#include "opencv2/imgproc/imgproc_c.h"
  
  
void video_yolo(char *cfgfile, char *weightfile, float thresh) 
{
	network net = parse_network_cfg(cfgfile);
	if(weightfile){
		load_weights(&net, weightfile);
	}
	detection_layer l = net.layers[net.n-1];
	//detection_layer l=detection_layer layer;
        printf("the first!\n");
	cvNamedWindow("edges",1); 
	CvCapture *cap = cvCreateFileCapture("/home/yjy/aa2.mp4");
	clock_t time;

	IplImage* frame;
	set_batch_network(&net, 1);
	srand(2222222);

	int j;
    	float nms=.5;
	box *boxes = calloc(l.side*l.side*l.n, sizeof(box));
    	float **probs = calloc(l.side*l.side*l.n, sizeof(float *));
	for(j = 0; j < l.side*l.side*l.n; ++j) probs[j] = calloc(l.classes, sizeof(float *));

    while(1){

		frame = cvQueryFrame(cap);
		if (!frame)  break;
		cvShowImage("edges", frame);
        
        image im = ipl_to_image(frame);
        image sized = resize_image(im, net.w, net.h);
        float *X = sized.data;
        time=clock();
        float *predictions = network_predict(net, X);
        convert_yolo_detections(predictions, l.classes, l.n, l.sqrt, l.side, 1, 1, thresh, probs, boxes, 0);
        if (nms) do_nms_sort(boxes, probs, l.side*l.side*l.n, l.classes, nms);
        draw_detections(im, l.side*l.side*l.n, thresh, boxes, probs, voc_names, voc_labels, 20);

        show_image(im, "predictions");
	free_image(im);
        if(cvWaitKey(30) >= 0) break;
 }
	cvReleaseCapture(&cap);
   	cvDestroyWindow("edges");  
} 

#endif