From 46028c6621f1a75874054db23dfa103a7759a483 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Mon, 21 May 2018 16:12:55 +0000
Subject: [PATCH] Fixed demo for video files: is used do_nms_sort() instead of do_nms_obj().

---
 src/demo.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/demo.c b/src/demo.c
index ae2150b..2d38269 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -98,7 +98,9 @@
 	int letter = 0;
 	int nboxes = 0;
 	detection *dets = get_network_boxes(&net, det_s.w, det_s.h, demo_thresh, demo_thresh, 0, 1, &nboxes, letter);
-	if (nms) do_nms_obj(dets, nboxes, l.classes, nms);
+	//if (nms) do_nms_obj(dets, nboxes, l.classes, nms);	// bad results
+	if (nms) do_nms_sort(dets, nboxes, l.classes, nms);
+	
 
     printf("\033[2J");
     printf("\033[1;1H");
@@ -165,7 +167,12 @@
 //#endif
     }
 
-    if(!cap) error("Couldn't connect to webcam.\n");
+	if (!cap) {
+#ifdef WIN32
+		printf("Check that you have copied file opencv_ffmpeg340_64.dll to the same directory where is darknet.exe \n");
+#endif
+		error("Couldn't connect to webcam.\n");
+	}
 
     layer l = net.layers[net.n-1];
     int j;

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