win32: add assertions for unchecked CoInitializeEx() calls

modules/access/dshow/dshow.cpp

@@ -409,7 +409,8 @@ static int CommonOpen( vlc_object_t *p_this, access_sys_t *p_sys,
     bool b_use_video = true;
 
     /* Initialize OLE/COM */
-    CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+        vlc_assert_unreachable();
 
     var_Create( p_this,  CFG_PREFIX "config", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
     var_Create( p_this,  CFG_PREFIX "tuner", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );

modules/access/dtv/bdagraph.cpp

@@ -29,6 +29,8 @@
 # include <config.h>
 #endif
 
+#include <assert.h>
+
 #include <vlc_common.h>
 #include <vlc_block.h>
 #include "dtv/bdagraph.hpp"
@@ -372,7 +374,8 @@ BDAGraph::BDAGraph( vlc_object_t *p_this ):
     p_scanning_tuner = NULL;
     p_grabber = NULL;
 
-    CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+        vlc_assert_unreachable();
 }
 
 /*****************************************************************************

modules/codec/dmo/dmo.c

@@ -29,6 +29,8 @@
 # include "config.h"
 #endif
 
+#include <assert.h>
+
 #include <vlc_common.h>
 #include <vlc_plugin.h>
 #include <vlc_codec.h>
@@ -366,7 +368,8 @@ static int DecOpen( decoder_t *p_dec )
     WAVEFORMATEX *p_wf = NULL;
 
     /* Initialize OLE/COM */
-    CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+        vlc_assert_unreachable();
 
     if( LoadDMO( VLC_OBJECT(p_dec), &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, false )
         != VLC_SUCCESS )
@@ -1394,7 +1397,8 @@ static int EncOpen( vlc_object_t *p_this )
     HINSTANCE hmsdmo_dll = NULL;
 
     /* Initialize OLE/COM */
-    CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_APARTMENTTHREADED )) )
+        vlc_assert_unreachable();
 
     if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, true )
         != VLC_SUCCESS )

modules/codec/mft.c

@@ -37,6 +37,8 @@
 # define STDCALL __stdcall
 #endif
 
+#include <assert.h>
+
 #include <vlc_common.h>
 #include <vlc_plugin.h>
 #include <vlc_codec.h>
@@ -1121,7 +1123,8 @@ int Open(vlc_object_t *p_this)
     if (!p_sys)
         return VLC_ENOMEM;
 
-    CoInitializeEx(NULL, COINIT_MULTITHREADED);
+    if( FAILED(CoInitializeEx(NULL, COINIT_MULTITHREADED)) )
+        vlc_assert_unreachable();
 
     if (LoadMFTLibrary(&p_sys->mf_handle))
     {

modules/gui/qt4/components/simple_preferences.cpp

@@ -44,6 +44,7 @@
 #include <QSettings>
 #include <QtAlgorithms>
 #include <QDir>
+#include <assert.h>
 #include <math.h>
 
 #define ICON_HEIGHT 48
@@ -1255,7 +1256,8 @@ void SPrefsPanel::assoDialog()
 #endif /* __IApplicationAssociationRegistrationUI_INTERFACE_DEFINED__ */
 
     IApplicationAssociationRegistrationUI *p_appassoc;
-    CoInitializeEx( NULL, COINIT_MULTITHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) )
+        vlc_assert_unreachable();
 
     if( S_OK == CoCreateInstance(CLSID_ApplicationAssociationRegistrationUI,
                 NULL, CLSCTX_INPROC_SERVER,

modules/gui/qt4/main_interface_win32.cpp

@@ -32,6 +32,8 @@
 #include <QBitmap>
 #include <vlc_windows_interfaces.h>
 
+#include <assert.h>
+
 #if defined(_WIN32) && HAS_QT5
 # include <QWindow>
 # include <qpa/qplatformnativeinterface.h>
@@ -115,7 +117,8 @@ void MainInterface::createTaskBarButtons()
     FIXME:the play button's picture doesn't changed to pause when clicked
     */
 
-    CoInitializeEx( NULL, COINIT_MULTITHREADED );
+    if( FAILED(CoInitializeEx( NULL, COINIT_MULTITHREADED )) )
+        vlc_assert_unreachable();
 
     if( S_OK == CoCreateInstance( CLSID_TaskbarList,
                 NULL, CLSCTX_INPROC_SERVER,

modules/video_output/msw/common.c

@@ -283,7 +283,8 @@ static void CommonChangeThumbnailClip(vout_display_t *vd, bool show)
     if (!GetVersionEx(&winVer) || winVer.dwMajorVersion <= 5)
         return;
 
-    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
+    if( FAILED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED)) )
+        vlc_assert_unreachable();
 
     void *ptr;
     if (S_OK == CoCreateInstance(&CLSID_TaskbarList,