From ece3fac7efb07bf01a7875d82be51a69c0d8a1c2 Mon Sep 17 00:00:00 2001
From: PkLab <PkLab@users.noreply.github.com>
Date: Wed, 1 Feb 2017 15:37:24 +0100
Subject: [PATCH] Merge pull request #8112 from PkLab:Fix_7898

CoInitialize/CoUninitialize in VFW classes (#8112)
---
 modules/videoio/src/cap_vfw.cpp | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/modules/videoio/src/cap_vfw.cpp b/modules/videoio/src/cap_vfw.cpp
index 555e848305..43a977212e 100644
--- a/modules/videoio/src/cap_vfw.cpp
+++ b/modules/videoio/src/cap_vfw.cpp
@@ -312,8 +312,16 @@ CvCapture* cvCreateFileCapture_VFW (const char* filename)
 class CvCaptureCAM_VFW : public CvCapture
 {
 public:
-    CvCaptureCAM_VFW() { init(); }
-    virtual ~CvCaptureCAM_VFW() { close(); }
+    CvCaptureCAM_VFW()
+    {
+        CoInitialize(NULL);
+        init();
+    }
+    virtual ~CvCaptureCAM_VFW()
+    {
+        close();
+        CoUninitialize();
+    }
 
     virtual bool open( int index );
     virtual void close();
@@ -673,8 +681,16 @@ CvCapture* cvCreateCameraCapture_VFW( int index )
 class CvVideoWriter_VFW : public CvVideoWriter
 {
 public:
-    CvVideoWriter_VFW() { init(); }
-    virtual ~CvVideoWriter_VFW() { close(); }
+    CvVideoWriter_VFW()
+    {
+        CoInitialize(NULL);
+        init();
+    }
+    virtual ~CvVideoWriter_VFW()
+    {
+        close();
+        CoUninitialize();
+    }
 
     virtual bool open( const char* filename, int fourcc,
                        double fps, CvSize frameSize, bool isColor );