--- src/multimedia/video/qvideosurfaceformat.h.orig	2013-07-14 01:14:41.813669200 +0200
+++ src/multimedia/video/qvideosurfaceformat.h	2013-07-14 01:14:58.463944255 +0200
@@ -46,6 +46,7 @@
 #include <QtCore/qpair.h>
 #include <QtCore/qshareddata.h>
 #include <QtCore/qsize.h>
+#include <QtCore/qstring.h>
 #include <QtGui/qimage.h>
 #include <QtMultimedia/qvideoframe.h>
 
--- src/plugins/directshow/player/directshowmediatypelist.h.orig	2013-07-14 01:16:07.098077974 +0200
+++ src/plugins/directshow/player/directshowmediatypelist.h	2013-07-14 01:16:28.175426132 +0200
@@ -43,6 +43,7 @@
 #define DIRECTSHOWMEDIATYPELIST_H
 
 #include <QtCore/qvector.h>
+#include <QtCore/qstring.h>
 
 #include <dshow.h>
 
--- src/plugins/directshow/player/directshowglobal.h.orig	2013-07-14 01:13:12.324190974 +0200
+++ src/plugins/directshow/player/directshowglobal.h	2013-07-14 01:13:25.434407537 +0200
@@ -43,6 +43,7 @@
 #define DIRECTSHOWGLOBAL_H
 
 #include <QtCore/qglobal.h>
+#include <QtCore/qstring.h>
 
 #include <dshow.h>