From ed30e518e3efb288d934b86a1fa8269c8349abf5 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 14 Dec 2009 12:37:24 +0000
Subject: [PATCH] Off by 1 bugfix for nb_frames_dup. From ffmbc0.3

Originally committed as revision 20864 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index 63aa053a19..9df99dd1be 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -917,7 +917,7 @@ static void do_video_out(AVFormatContext *s,
             if (verbose>2)
                 fprintf(stderr, "*** drop!\n");
         }else if (nb_frames > 1) {
-            nb_frames_dup += nb_frames;
+            nb_frames_dup += nb_frames - 1;
             if (verbose>2)
                 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
         }