From 64c018507b013ca6117e5f664c630b81531807fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kai=20St=C3=BCdemann?= <kstuedemann@yahoo.de>
Date: Thu, 3 Jun 2021 22:12:46 +0200
Subject: [PATCH] videoio(dshow) fix memory leak

---
 modules/videoio/src/cap_dshow.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/videoio/src/cap_dshow.cpp b/modules/videoio/src/cap_dshow.cpp
index cf653f61a7..94837e7ab2 100644
--- a/modules/videoio/src/cap_dshow.cpp
+++ b/modules/videoio/src/cap_dshow.cpp
@@ -2496,7 +2496,10 @@ static void findClosestSizeAndSubtype(videoDevice * VD, int widthIn, int heightI
                    int tempH = 999999;
 
                    //Don't want to get stuck in a loop
-                   if(stepX < 1 || stepY < 1) continue;
+                   if(stepX < 1 || stepY < 1){
+                       MyDeleteMediaType(pmtConfig);
+                       continue;
+                    }
 
                    //DebugPrintOut("min is %i %i max is %i %i - res is %i %i\n", scc.MinOutputSize.cx, scc.MinOutputSize.cy,  scc.MaxOutputSize.cx,  scc.MaxOutputSize.cy, stepX, stepY);
                    //DebugPrintOut("min frame duration is %i  max duration is %i\n", scc.MinFrameInterval, scc.MaxFrameInterval);