what do you even write here?

Joseph Redmon

2016-08-11 aebe937710ced03d03f73ab23f410f29685655c1

 src/demo.c

@@ -15,9 +15,6 @@
#include "opencv2/imgproc/imgproc_c.h"
void convert_detections(float *predictions, int classes, int num, int square, int side, int w, int h, float thresh, float **probs, box *boxes, int only_objectness);

static int skip = 0;
static int skipped = 0;

static char **demo_names;
static image *demo_labels;
static int demo_classes;
@@ -43,14 +40,9 @@
{
    in = get_image_from_stream(cap);
    if(!in.data){
        in = disp;
        if(skipped == skip) error("Stream closed.");
    }else{
        if(disp.data){
            free_image(disp);
        }
        in_s = resize_image(in, net.w, net.h);
        error("Stream closed.");
    }
    in_s = resize_image(in, net.w, net.h);
    return 0;
}

@@ -63,16 +55,14 @@
    float *prediction = network_predict(net, X);

    memcpy(predictions[demo_index], prediction, l.outputs*sizeof(float));
    if(skipped == skip){
        mean_arrays(predictions, FRAMES, l.outputs, avg);
    }
    mean_arrays(predictions, FRAMES, l.outputs, avg);

    free_image(det_s);
    convert_detections(avg, l.classes, l.n, l.sqrt, l.side, 1, 1, demo_thresh, probs, boxes, 0);
    if (nms > 0) do_nms(boxes, probs, l.side*l.side*l.n, l.classes, nms);
    printf("\033[2J");
    printf("\033[1;1H");
    printf("\nFPS:%.0f\n",fps);
    printf("\nFPS:%.1f\n",fps);
    printf("Objects:\n\n");

    images[demo_index] = det;
@@ -81,13 +71,22 @@

    draw_detections(det, l.side*l.side*l.n, demo_thresh, boxes, probs, demo_names, demo_labels, demo_classes);

    skipped = (skipped + 1)%skip;
    return 0;
}

double get_wall_time()
{
    struct timeval time;
    if (gettimeofday(&time,NULL)){
        return 0;
    }
    return (double)time.tv_sec + (double)time.tv_usec * .000001;
}

void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, image *labels, int classes, int frame_skip)
{
    skip = frame_skip;
    //skip = frame_skip;
    int delay = frame_skip;
    demo_names = names;
    demo_labels = labels;
    demo_classes = classes;
@@ -108,8 +107,6 @@
    }

    if(!cap) error("Couldn't connect to webcam.\n");
    //cvNamedWindow("COCO", CV_WINDOW_NORMAL); 
    //cvResizeWindow("COCO", 512, 512);

    detection_layer l = net.layers[net.n-1];
    int j;
@@ -122,8 +119,8 @@
    probs = (float **)calloc(l.side*l.side*l.n, sizeof(float *));
    for(j = 0; j < l.side*l.side*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));

//    pthread_t fetch_thread;
 //   pthread_t detect_thread;
    pthread_t fetch_thread;
    pthread_t detect_thread;

    fetch_in_thread(0);
    det = in;
@@ -144,33 +141,57 @@
    }

    int count = 0;
    cvNamedWindow("Demo", CV_WINDOW_NORMAL); 
    cvMoveWindow("Demo", 0, 0);
    cvResizeWindow("Demo", 1352, 1013);

    double before = get_wall_time();

    while(1){
        ++count;
        struct timeval tval_before, tval_after, tval_result;
        gettimeofday(&tval_before, NULL);
        //if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
        //if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
        fetch_in_thread(0);
        detect_in_thread(0);
        if(1){
            if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
            if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");

        disp  = det;
        det   = in;
        det_s = in_s;
            show_image(disp, "Demo");
            int c = cvWaitKey(1);
            if (c == 10){
                if(frame_skip == 0) frame_skip = 60;
                else if(frame_skip == 4) frame_skip = 0;
                else if(frame_skip == 60) frame_skip = 4;   
                else frame_skip = 0;
            }

        //show_image(disp, "COCO");
        char buff[256];
        sprintf(buff, "coco/coco_%05d", count);
        save_image(disp, buff);
            pthread_join(fetch_thread, 0);
            pthread_join(detect_thread, 0);

        //free_image(disp);
        //cvWaitKey(10);
        //pthread_join(fetch_thread, 0);
        //pthread_join(detect_thread, 0);
            if(delay == 0){
                free_image(disp);
                disp  = det;
            }
            det   = in;
            det_s = in_s;
        }else {
            fetch_in_thread(0);
            det   = in;
            det_s = in_s;
            detect_in_thread(0);
            if(delay == 0) {
                free_image(disp);
                disp = det;
            }
            show_image(disp, "Demo");
            cvWaitKey(1);
        }
        --delay;
        if(delay < 0){
            delay = frame_skip;

        gettimeofday(&tval_after, NULL);
        timersub(&tval_after, &tval_before, &tval_result);
        float curr = 1000000.f/((long int)tval_result.tv_usec);
        fps = .9*fps + .1*curr;
            double after = get_wall_time();
            float curr = 1./(after - before);
            fps = curr;
            before = after;
        }
    }
}
#else