Update Readme.md

Alexey

2018-03-01 17b22d7ce77cf37ac7d39b5ea3be76716c10cfdf

 src/demo.c

@@ -49,17 +49,22 @@
static float *avg;

void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, float **probs, char **names, image **alphabet, int classes);
void show_image_cv_ipl(IplImage *disp, const char *name, CvVideoWriter *output_video_writer, int http_stream_port);
image get_image_from_stream_resize(CvCapture *cap, int w, int h, IplImage** in_img);
IplImage* in_img;
IplImage* det_img;
IplImage* show_img;

static int flag_exit;

void *fetch_in_thread(void *ptr)
{
    //in = get_image_from_stream(cap);
   in = get_image_from_stream_resize(cap, net.w, net.h, &in_img);
    if(!in.data){
        error("Stream closed.");
        //error("Stream closed.");
      flag_exit = 1;
      return;
    }
    //in_s = resize_image(in, net.w, net.h);
   in_s = make_image(in.w, in.h, in.c);
@@ -115,7 +120,8 @@
    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, int classes, int frame_skip, char *prefix, char *out_filename)
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, 
   int frame_skip, char *prefix, char *out_filename, int http_stream_port)
{
    //skip = frame_skip;
    image **alphabet = load_alphabet();
@@ -184,6 +190,23 @@
        cvResizeWindow("Demo", 1352, 1013);
    }

   CvVideoWriter* output_video_writer = NULL;    // cv::VideoWriter output_video;
   if (out_filename)
   {
      CvSize size;
      size.width = det_img->width, size.height = det_img->height;

      //const char* output_name = "test_dnn_out.avi";
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('H', '2', '6', '4'), 25, size, 1);
      output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('D', 'I', 'V', 'X'), 25, size, 1);
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'J', 'P', 'G'), 25, size, 1);
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'P', '4', 'V'), 25, size, 1);
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('M', 'P', '4', '2'), 25, size, 1);
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('X', 'V', 'I', 'D'), 25, size, 1);
      //output_video_writer = cvCreateVideoWriter(out_filename, CV_FOURCC('W', 'M', 'V', '2'), 25, size, 1);
   }
   flag_exit = 0;

    double before = get_wall_time();

    while(1){
@@ -194,7 +217,7 @@

            if(!prefix){                
            //show_image(disp, "Demo");
            show_image_cv_ipl(show_img, "Demo", out_filename);
            show_image_cv_ipl(show_img, "Demo", output_video_writer, http_stream_port);
                int c = cvWaitKey(1);
                if (c == 10){
                    if(frame_skip == 0) frame_skip = 60;
@@ -211,6 +234,8 @@
            pthread_join(fetch_thread, 0);
            pthread_join(detect_thread, 0);

         if (flag_exit == 1) break;

            if(delay == 0){
                free_image(disp);
                disp  = det;
@@ -242,9 +267,14 @@
            before = after;
        }
    }
   printf("input video stream closed. \n");
   if (output_video_writer) {
      cvReleaseVideoWriter(&output_video_writer);
      printf("output_video_writer closed. \n");
   }
}
#else
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix, char *out_filename)
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, int classes, int frame_skip, char *prefix, char *out_filename, int http_stream_port)
{
    fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
}