From 4b5b7bdb5adada38ff66d1b755cbdff0a5b14e9c Mon Sep 17 00:00:00 2001
From: Alexander Reshetnikov <no@email>
Date: Mon, 23 Apr 2012 16:12:24 +0000
Subject: [PATCH] Fixed cvRetrieveFrame memory leak under AVFoundation (ticket
 #1837)

---
 modules/highgui/src/cap_avfoundation.mm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/highgui/src/cap_avfoundation.mm b/modules/highgui/src/cap_avfoundation.mm
index e189224..0a70d7e 100644
--- a/modules/highgui/src/cap_avfoundation.mm
+++ b/modules/highgui/src/cap_avfoundation.mm
@@ -969,6 +969,8 @@ IplImage* CvCaptureFile::retrieveFramePixelBuffer() {
 
 	CVPixelBufferUnlockBaseAddress(pixels, 0);
 	CVBufferRelease(pixels);
+    CMSampleBufferInvalidate(sampleBuffer);
+    CFRelease(sampleBuffer);
 
 	[localpool drain]; 
 	return bgr_image; 
-- 
2.7.4