From ae43c2bc32fbb838bfebeeaf2c2b058ccab5c83c Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@burninator.cs.washington.edu>
Date: Thu, 23 Jun 2016 05:31:14 +0000
Subject: [PATCH] hi

---
 src/demo.c |   68 ++++++++++++++++++++-------------
 1 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/src/demo.c b/src/demo.c
index bd8f2c2..d05ff6b 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -8,14 +8,14 @@
 #include "demo.h"
 #include <sys/time.h>
 
-#define FRAMES 1
+#define FRAMES 3
 
 #ifdef OPENCV
 #include "opencv2/highgui/highgui_c.h"
 #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);
 
-#define DELAY 5
+#define DELAY 0
 static int delay = DELAY;
 
 static char **demo_names;
@@ -72,7 +72,7 @@
     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;
@@ -88,6 +88,15 @@
     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)
 {
     demo_names = names;
@@ -110,8 +119,6 @@
     }
 
     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;
@@ -124,8 +131,8 @@
     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;
@@ -146,33 +153,40 @@
     }
 
     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(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);
+
+        show_image(disp, "Demo");
+        cvWaitKey(1);
+        //char buff[256];
+        //sprintf(buff, "coco/coco_%05d", count);
+        //save_image(disp, buff);
+
+        //free_image(disp);
+        //cvWaitKey(10);
+        pthread_join(fetch_thread, 0);
+        pthread_join(detect_thread, 0);
 
         disp  = det;
         det   = in;
         det_s = in_s;
 
-        //show_image(disp, "COCO");
-        char buff[256];
-        sprintf(buff, "coco/coco_%05d", count);
-        save_image(disp, buff);
-
-        //free_image(disp);
-        //cvWaitKey(10);
-        //pthread_join(fetch_thread, 0);
-        //pthread_join(detect_thread, 0);
-
-        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;
+        if(delay == DELAY){
+            double after = get_wall_time();
+            float curr = 1./(after - before);
+            fps = curr;
+            before = after;
+        }
     }
 }
 #else

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