From 03767340bb6de127b291e3b90978b5121d1982bc Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 8 Sep 2016 14:42:01 +0300
Subject: [PATCH] ffmpeg: fill avg_frame_rate

---
 modules/videoio/src/cap_ffmpeg_impl.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/videoio/src/cap_ffmpeg_impl.hpp b/modules/videoio/src/cap_ffmpeg_impl.hpp
index 9bc23bd965..e7ece78a01 100644
--- a/modules/videoio/src/cap_ffmpeg_impl.hpp
+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
@@ -1582,6 +1582,10 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
     }
 #endif
 
+#if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(52, 42, 0)
+    st->avg_frame_rate = (AVRational){frame_rate, frame_rate_base};
+#endif
+
     return st;
 }