From aae7621243d161d50e1c579925855a30b35bc8be Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Sat, 24 Jun 2017 11:01:33 +0300
Subject: [PATCH] highgui(macos): fix video file reading via AVFoundation

---
 modules/highgui/src/cap_avfoundation_mac.mm | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/modules/highgui/src/cap_avfoundation_mac.mm b/modules/highgui/src/cap_avfoundation_mac.mm
index c56795d753..fbc4845f65 100644
--- a/modules/highgui/src/cap_avfoundation_mac.mm
+++ b/modules/highgui/src/cap_avfoundation_mac.mm
@@ -697,12 +697,12 @@ CvCaptureFile::CvCaptureFile(const char* filename) {
         return;
     }
 
-    NSArray *tracks = [mAsset tracksWithMediaType:AVMediaTypeAudio];
+    NSArray *tracks = [mAsset tracksWithMediaType:AVMediaTypeVideo];
     if ([tracks count] == 0) {
-      fprintf(stderr, "OpenCV: Couldn't read movie file \"%s\"\n", filename);
-      [localpool drain];
-      started = 0;
-      return;
+        fprintf(stderr, "OpenCV: Couldn't read video stream from file \"%s\"\n", filename);
+        [localpool drain];
+        started = 0;
+        return;
     }
 
     mAssetTrack = [tracks[0] retain];