Declare the exported and non-exported symbols of the libraries.

48 files changed, 256 insertions, 172 deletions

diff --git a/codegen/analyzer.l b/codegen/analyzer.l
index 2a06b40..3ea81cb 100644
--- a/codegen/analyzer.l
+++ b/codegen/analyzer.l
@@ -46,7 +46,7 @@ id      [a-zA-Z][a-zA-Z_0-9]*
 
 <REGISTER_TYPE,REGISTER_WRAPPER,ENUM,INSTRUCTION>{id} { yylval.Id = new QByteArray(yytext); return IDENTIFIER;  }
 
-QGLIB_REGISTER_TYPE\(    { yy_push_state(REGISTER_TYPE); return REGISTER_TYPE_BEGIN; }
+Q[A-Z]+_REGISTER_TYPE\(  { yy_push_state(REGISTER_TYPE); return REGISTER_TYPE_BEGIN; }
 <REGISTER_TYPE>{
     ::                   { return SCOPE_RESOLUTION_OPERATOR; }
     \)                   { yy_pop_state(); return REGISTER_TYPE_END; }
@@ -113,6 +113,7 @@ Q[A-Z]+_WRAPPER_FAKE_SUBCLASS\(      { yy_push_state(REGISTER_WRAPPER); return R
 
 [[:space:]]class         { yy_push_state(CLASS); return CLASS_KEYWORD; }
 <CLASS>{
+    [A-Z]+_EXPORT
     {id}                 { yylval.Id = new QByteArray(yytext); yy_pop_state(); return IDENTIFIER; }
     [[:space:]]*
     .                    { yyerror(codegen, "Expected identifier after class keyword"); }
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6a81f3e..d804693 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,6 +7,9 @@ if (QTGSTREAMER_STATIC)
     set(SHARED_OR_STATIC "STATIC")
 else()
     set(SHARED_OR_STATIC "SHARED")
+    if (CMAKE_COMPILER_IS_GNUCXX)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
+    endif ()
 endif()
 
 # Macro to run codegen from the subdirs
diff --git a/src/QGlib/connect.h b/src/QGlib/connect.h
index 5147cac..a04037c 100644
--- a/src/QGlib/connect.h
+++ b/src/QGlib/connect.h
@@ -197,7 +197,7 @@ namespace Private {
 
 //BEGIN ******** ClosureDataBase ********
 
-class ClosureDataBase
+class QTGLIB_EXPORT ClosureDataBase
 {
 public:
     inline virtual ~ClosureDataBase() {}
@@ -217,7 +217,7 @@ protected:
  * signal receiver to/from a slot that should be called when the receiver is destroyed.
  * This notification is used to disconnect the signal automatically.
  */
-class DestroyNotifierIface
+class QTGLIB_EXPORT DestroyNotifierIface
 {
 public:
     virtual ~DestroyNotifierIface() {}
@@ -228,7 +228,7 @@ public:
 typedef QSharedPointer<DestroyNotifierIface> DestroyNotifierIfacePtr;
 
 /* This is DestroyNotifierIface that works for signal receivers that inherit QObject. */
-class QObjectDestroyNotifier : public DestroyNotifierIface
+class QTGLIB_EXPORT QObjectDestroyNotifier : public DestroyNotifierIface
 {
 public:
     static DestroyNotifierIfacePtr instance();
@@ -256,13 +256,13 @@ struct GetDestroyNotifier<T, typename boost::enable_if< boost::is_base_of<QObjec
 
 
 /* This method is used internally from QGlib::connect(). */
-ulong connect(void *instance, const char *signal, Quark detail,
-              void *receiver, const DestroyNotifierIfacePtr & notifier,
-              uint slotHash, ClosureDataBase *closureData, ConnectFlags flags);
+QTGLIB_EXPORT ulong connect(void *instance, const char *signal, Quark detail,
+                            void *receiver, const DestroyNotifierIfacePtr & notifier,
+                            uint slotHash, ClosureDataBase *closureData, ConnectFlags flags);
 
 /* This method is used internally from QGlib::disconnect(). */
-bool disconnect(void *instance, const char *signal, Quark detail,
-                void *receiver, uint slotHash, ulong handlerId);
+QTGLIB_EXPORT bool disconnect(void *instance, const char *signal, Quark detail,
+                              void *receiver, uint slotHash, ulong handlerId);
 
 
 /* This is a helper that returns a hash value for a member function pointer.
diff --git a/src/QGlib/emitimpl.h b/src/QGlib/emitimpl.h
index 6de84da..188e7e9 100644
--- a/src/QGlib/emitimpl.h
+++ b/src/QGlib/emitimpl.h
@@ -33,7 +33,7 @@ namespace QGlib {
 namespace Private {
 
 /*! This method is used internally from the templated emit() method. */
-Value emit(void *instance, const char *signal, Quark detail, const QList<Value> & args);
+QTGLIB_EXPORT Value emit(void *instance, const char *signal, Quark detail, const QList<Value> & args);
 
 template <typename Signature>
 struct EmitImpl {};
diff --git a/src/QGlib/error.h b/src/QGlib/error.h
index d805ea6..2fb01f5 100644
--- a/src/QGlib/error.h
+++ b/src/QGlib/error.h
@@ -26,7 +26,7 @@ namespace QGlib {
 /*! \headerfile error.h <QGlib/Error>
  * \brief Wrapper class for GError
  */
-class Error : public std::exception
+class QTGLIB_EXPORT Error : public std::exception
 {
 public:
     /*! Wraps an existing GError into an Error.
@@ -67,7 +67,7 @@ private:
 };
 
 /*! \relates QGlib::Error */
-QDebug operator<<(QDebug dbg, const Error & error);
+QTGLIB_EXPORT QDebug operator<<(QDebug dbg, const Error & error);
 
 } //namespace QGlib
 
diff --git a/src/QGlib/global.h b/src/QGlib/global.h
index 8912b23..dacf421 100644
--- a/src/QGlib/global.h
+++ b/src/QGlib/global.h
@@ -20,6 +20,20 @@
 #include <QtCore/QtGlobal>
 #include <boost/config.hpp>
 
+/* defined by cmake when building this library */
+#if defined(QtGLib_EXPORTS)
+# define QTGLIB_EXPORT Q_DECL_EXPORT
+#else
+# define QTGLIB_EXPORT Q_DECL_IMPORT
+#endif
+
+#if !defined(Q_OS_WIN) && !defined(Q_CC_NOKIAX86) && \
+    !defined(Q_CC_RVCT) && defined(QT_VISIBILITY_AVAILABLE)
+# define QTGLIB_NO_EXPORT __attribute__((visibility("hidden")))
+#else
+# define QTGLIB_NO_EXPORT
+#endif
+
 typedef struct _GValue GValue;
 typedef struct _GParamSpec GParamSpec;
 typedef struct _GClosure GClosure;
@@ -42,7 +56,7 @@ typedef RefPointer<Object> ObjectPtr;
 
 /*! Initializes the type system. You must call
  * this function before using any QtGLib API. */
-void init();
+QTGLIB_EXPORT void init();
 
 } //namespace QGlib
 
diff --git a/src/QGlib/init.cpp b/src/QGlib/init.cpp
index 5dfc1fa..016a82e 100644
--- a/src/QGlib/init.cpp
+++ b/src/QGlib/init.cpp
@@ -15,6 +15,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
+#include "global.h"
 #include <glib-object.h>
 
 namespace QGlib {
diff --git a/src/QGlib/object.h b/src/QGlib/object.h
index 9d1d14d..673cb2b 100644
--- a/src/QGlib/object.h
+++ b/src/QGlib/object.h
@@ -35,7 +35,7 @@ namespace QGlib {
  * the Object and Interface classes. You should not use this class directly at all.
  * Use Object or Interface instead.
  */
-class ObjectBase : public RefCountedObject
+class QTGLIB_EXPORT ObjectBase : public RefCountedObject
 {
 public:
     ParamSpecPtr findProperty(const char *name) const;
@@ -67,7 +67,7 @@ protected:
  *
  * The methods of this class can be found in ObjectBase.
  */
-class Object : virtual public ObjectBase
+class QTGLIB_EXPORT Object : virtual public ObjectBase
 {
     QGLIB_WRAPPER(Object)
 };
@@ -77,7 +77,7 @@ class Object : virtual public ObjectBase
  *
  * The methods of this class can be found in ObjectBase.
  */
-class Interface : virtual public ObjectBase
+class QTGLIB_EXPORT Interface : virtual public ObjectBase
 {
     QGLIB_WRAPPER_DIFFERENT_C_CLASS(Interface, Object)
 };
diff --git a/src/QGlib/paramspec.h b/src/QGlib/paramspec.h
index 11bb567..bdf18a8 100644
--- a/src/QGlib/paramspec.h
+++ b/src/QGlib/paramspec.h
@@ -31,7 +31,7 @@ namespace QGlib {
  * GParamSpec is an object structure that encapsulates the metadata
  * required to specify parameters, such as e.g. GObject properties.
  */
-class ParamSpec : public RefCountedObject
+class QTGLIB_EXPORT ParamSpec : public RefCountedObject
 {
     QGLIB_WRAPPER(ParamSpec)
 public:
diff --git a/src/QGlib/quark.h b/src/QGlib/quark.h
index e7c4902..67db2da 100644
--- a/src/QGlib/quark.h
+++ b/src/QGlib/quark.h
@@ -19,6 +19,7 @@
 #ifndef QGLIB_QUARK_H
 #define QGLIB_QUARK_H
 
+#include "global.h"
 #include <QtCore/QString>
 
 namespace QGlib {
@@ -38,7 +39,7 @@ namespace QGlib {
  * \note This class is a thin wrapper around a quint32. There is no overhead in copying
  * it around, since it is just an integer.
  */
-class Quark
+class QTGLIB_EXPORT Quark
 {
 public:
     inline Quark(quint32 gquark = 0) : m_quark(gquark) {}
diff --git a/src/QGlib/refpointer.h b/src/QGlib/refpointer.h
index 25bf606..9af41de 100644
--- a/src/QGlib/refpointer.h
+++ b/src/QGlib/refpointer.h
@@ -158,7 +158,7 @@ private:
 /*! \headerfile refpointer.h <QGlib/RefPointer>
  * \brief Base class for all the reference-counted object wrappers.
  */
-class RefCountedObject
+class QTGLIB_EXPORT RefCountedObject
 {
 public:
     virtual ~RefCountedObject() {}
diff --git a/src/QGlib/signal.cpp b/src/QGlib/signal.cpp
index 87addc3..7719655 100644
--- a/src/QGlib/signal.cpp
+++ b/src/QGlib/signal.cpp
@@ -29,7 +29,7 @@ namespace QGlib {
 
 //BEGIN ******** Signal ********
 
-struct Signal::Private : public QSharedData
+struct QTGLIB_NO_EXPORT Signal::Private : public QSharedData
 {
     Private(uint i) : id(i), m_queryInitialized(false) {}
 
diff --git a/src/QGlib/signal.h b/src/QGlib/signal.h
index 782e195..5cdd655 100644
--- a/src/QGlib/signal.h
+++ b/src/QGlib/signal.h
@@ -61,7 +61,7 @@ namespace QGlib {
  *
  * \sa connect(), emit()
  */
-class Signal
+class QTGLIB_EXPORT Signal
 {
 public:
     enum SignalFlag {
diff --git a/src/QGlib/type.h b/src/QGlib/type.h
index c4f4599..4c56852 100644
--- a/src/QGlib/type.h
+++ b/src/QGlib/type.h
@@ -60,7 +60,7 @@ namespace QGlib { //closing and re-opening namespace QGlib is required to trick
  * \note This class is a thin wrapper around an unsigned long. There is no overhead
  * in copying it around, since it is just an integer.
  */
-class Type
+class QTGLIB_EXPORT Type
 {
 public:
     enum FundamentalType {
@@ -188,6 +188,12 @@ inline Type GetType()
 /*! \addtogroup macros Internal macros */
 //@{
 
+#define QGLIB_REGISTER_TYPE_WITH_EXPORT_MACRO(T, EXPORT_MACRO) \
+    namespace QGlib { \
+        template <> \
+        struct EXPORT_MACRO GetTypeImpl<T> { operator Type(); }; \
+    }
+
 /*! \internal
  * This macro is used to register a class with the QGlib type system. It forward-declares
  * a specialization for struct GetTypeImpl and serves as a keyword for codegen, our code generator,
@@ -195,10 +201,7 @@ inline Type GetType()
  * \note this macro must be used outside of any namespace scope
  */
 #define QGLIB_REGISTER_TYPE(T) \
-    namespace QGlib { \
-        template <> \
-        struct GetTypeImpl<T> { operator Type(); }; \
-    }
+    QGLIB_REGISTER_TYPE_WITH_EXPORT_MACRO(T, QTGLIB_EXPORT)
 
 /*! \internal Used by codegen only */
 #define QGLIB_REGISTER_TYPE_IMPLEMENTATION(T, GTYPE) \
diff --git a/src/QGlib/value.cpp b/src/QGlib/value.cpp
index b65626e..d8cbf04 100644
--- a/src/QGlib/value.cpp
+++ b/src/QGlib/value.cpp
@@ -129,7 +129,7 @@ Q_GLOBAL_STATIC(Private::Dispatcher, s_dispatcher);
 
 // -- Value::Data --
 
-struct Value::Data : public QSharedData
+struct QTGLIB_NO_EXPORT Value::Data : public QSharedData
 {
     Data();
     Data(const Data & other);
diff --git a/src/QGlib/value.h b/src/QGlib/value.h
index 13c773e..8c0c640 100644
--- a/src/QGlib/value.h
+++ b/src/QGlib/value.h
@@ -38,7 +38,7 @@ namespace QGlib {
  * using Value::registerValueVTable().
  * \sa \ref value_design
  */
-struct ValueVTable
+struct QTGLIB_EXPORT ValueVTable
 {
     typedef void (*SetFunction)(Value & value, const void *data);
     typedef void (*GetFunction)(const Value & value, void *data);
@@ -70,7 +70,7 @@ struct ValueVTable
  *
  * \note This class is implicitly shared.
  */
-class Value
+class QTGLIB_EXPORT Value
 {
 public:
     /*! Creates a new invalid Value \sa isValid() */
@@ -460,14 +460,14 @@ struct ValueImpl<Value>
 
 namespace Private {
 
-class InvalidValueException : public std::logic_error
+class QTGLIB_EXPORT InvalidValueException : public std::logic_error
 {
 public:
     inline InvalidValueException()
         : std::logic_error("This Value instance has not been initialized") {}
 };
 
-class InvalidTypeException : public std::logic_error
+class QTGLIB_EXPORT InvalidTypeException : public std::logic_error
 {
 public:
     inline InvalidTypeException(const std::string & dataType, const std::string & valueType)
@@ -476,14 +476,14 @@ public:
                            + valueType + "\" and no conversion is possible") {}
 };
 
-class UnregisteredTypeException : public std::logic_error
+class QTGLIB_EXPORT UnregisteredTypeException : public std::logic_error
 {
 public:
     inline UnregisteredTypeException(const std::string & typeName)
         : std::logic_error("Unable to handle unregistered type \"" + typeName + "\"") {}
 };
 
-class TransformationFailedException : public std::runtime_error
+class QTGLIB_EXPORT TransformationFailedException : public std::runtime_error
 {
 public:
     inline TransformationFailedException(const std::string & srcTypeName,
@@ -497,7 +497,7 @@ public:
 // -- QDebug operator --
 
 /*! \relates QGlib::Value */
-QDebug operator<<(QDebug debug, const Value & value);
+QTGLIB_EXPORT QDebug operator<<(QDebug debug, const Value & value);
 
 } //namespace QGlib
 
diff --git a/src/QGlib/wrap.h b/src/QGlib/wrap.h
index 8f2ce4b..7247db5 100644
--- a/src/QGlib/wrap.h
+++ b/src/QGlib/wrap.h
@@ -18,6 +18,8 @@
 #ifndef QGLIB_WRAP_H
 #define QGLIB_WRAP_H
 
+#include "global.h"
+
 namespace QGlib {
 
 class RefCountedObject;
@@ -32,7 +34,7 @@ class Type;
  * an Object or Interface or ParamSpec (like QGst::MiniObject and QGst::Caps).
  * You should \em not otherwise call this function directly.
  */
-RefCountedObject *constructWrapper(Type instanceType, void *instance);
+QTGLIB_EXPORT RefCountedObject *constructWrapper(Type instanceType, void *instance);
 
 template <typename T, typename Enable = void>
 struct WrapImpl {};
@@ -63,9 +65,9 @@ struct WrapImpl {};
 
 namespace Private {
 
-RefCountedObject *wrapObject(void *gobject);
-RefCountedObject *wrapParamSpec(void *param);
-RefCountedObject *wrapInterface(Type interfaceType, void *gobject);
+QTGLIB_EXPORT RefCountedObject *wrapObject(void *gobject);
+QTGLIB_EXPORT RefCountedObject *wrapParamSpec(void *param);
+QTGLIB_EXPORT RefCountedObject *wrapInterface(Type interfaceType, void *gobject);
 
 } //namespace Private
 } //namespace QGlib
diff --git a/src/QGst/CMakeLists.txt b/src/QGst/CMakeLists.txt
index 5e5f693..9e0822b 100644
--- a/src/QGst/CMakeLists.txt
+++ b/src/QGst/CMakeLists.txt
@@ -68,6 +68,7 @@ set(QtGStreamer_INSTALLED_HEADERS
     buffer.h            Buffer
     event.h             Event
 
+    Ui/global.h
     Ui/videowidget.h    Ui/VideoWidget
 )
 
diff --git a/src/QGst/Ui/global.h b/src/QGst/Ui/global.h
new file mode 100644
index 0000000..cba1806
--- /dev/null
+++ b/src/QGst/Ui/global.h
@@ -0,0 +1,37 @@
+/*
+    Copyright (C) 2011 Collabora Ltd.
+      @author George Kiagiadakis <george.kiagiadakis@collabora.co.uk>
+
+    This library is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published
+    by the Free Software Foundation; either version 2.1 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef QTGSTREAMERUI_EXPORT_H
+#define QTGSTREAMERUI_EXPORT_H
+
+#include <QtCore/QtGlobal>
+
+/* defined by cmake when building this library */
+#if defined(QtGStreamerUi_EXPORTS)
+# define QTGSTREAMERUI_EXPORT Q_DECL_EXPORT
+#else
+# define QTGSTREAMERUI_EXPORT Q_DECL_IMPORT
+#endif
+
+#if !defined(Q_OS_WIN) && !defined(Q_CC_NOKIAX86) && \
+    !defined(Q_CC_RVCT) && defined(QT_VISIBILITY_AVAILABLE)
+# define QTGSTREAMERUI_NO_EXPORT __attribute__((visibility("hidden")))
+#else
+# define QTGSTREAMERUI_NO_EXPORT
+#endif
+
+#endif
diff --git a/src/QGst/Ui/videowidget.h b/src/QGst/Ui/videowidget.h
index 63f36b1..1709800 100644
--- a/src/QGst/Ui/videowidget.h
+++ b/src/QGst/Ui/videowidget.h
@@ -17,6 +17,7 @@
 #ifndef QGST_UI_VIDEOWIDGET_H
 #define QGST_UI_VIDEOWIDGET_H
 
+#include "global.h"
 #include "../element.h"
 #include <QtGui/QWidget>
 
@@ -38,7 +39,7 @@ class AbstractRenderer;
  * completely sure that there can be no child bins and there can be only
  * one video sink element in this bin.
  */
-class VideoWidget : public QWidget
+class QTGSTREAMERUI_EXPORT VideoWidget : public QWidget
 {
     Q_OBJECT
 public:
diff --git a/src/QGst/bin.h b/src/QGst/bin.h
index 74ac6e1..d115311 100644
--- a/src/QGst/bin.h
+++ b/src/QGst/bin.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \headerfile bin.h <QGst/Bin>
  * \brief Wrapper class for GstBin
  */
-class Bin : public Element, public ChildProxy
+class QTGSTREAMER_EXPORT Bin : public Element, public ChildProxy
 {
     QGST_WRAPPER(Bin)
 public:
@@ -73,6 +73,6 @@ QGlib::RefPointer<T> Bin::getElementByInterface() const
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Bin)
+QGST_REGISTER_TYPE(QGst::Bin)
 
 #endif
diff --git a/src/QGst/buffer.h b/src/QGst/buffer.h
index 248c05a..253c3c0 100644
--- a/src/QGst/buffer.h
+++ b/src/QGst/buffer.h
@@ -30,7 +30,7 @@ namespace QGst {
      * CapsPtr in caps() that indicates the format of the buffer data.
      *
      */
-class Buffer : public MiniObject
+class QTGSTREAMER_EXPORT Buffer : public MiniObject
 {
     QGST_WRAPPER(Buffer)
 public:    
@@ -57,6 +57,6 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Buffer)
+QGST_REGISTER_TYPE(QGst::Buffer)
 
 #endif
diff --git a/src/QGst/bus.h b/src/QGst/bus.h
index 61fd59b..375a348 100644
--- a/src/QGst/bus.h
+++ b/src/QGst/bus.h
@@ -47,7 +47,7 @@ namespace QGst {
  * even if you are not running a Glib event loop. However, this requires a running
  * Qt event loop.
  */
-class Bus : public Object
+class QTGSTREAMER_EXPORT Bus : public Object
 {
     QGST_WRAPPER(Bus)
 public:
@@ -133,6 +133,6 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Bus)
+QGST_REGISTER_TYPE(QGst::Bus)
 
 #endif //QGST_BUS_H
diff --git a/src/QGst/caps.h b/src/QGst/caps.h
index 4a11f38..2020e95 100644
--- a/src/QGst/caps.h
+++ b/src/QGst/caps.h
@@ -27,7 +27,7 @@ namespace QGst {
 /*! \headerfile caps.h <QGst/Caps>
  * \brief Wrapper class for GstCaps
  */
-class Caps : public QGlib::RefCountedObject
+class QTGSTREAMER_EXPORT Caps : public QGlib::RefCountedObject
 {
     QGST_WRAPPER(Caps)
 public:
@@ -77,17 +77,17 @@ protected:
 };
 
 /*! \relates QGst::Caps */
-QDebug operator<<(QDebug debug, const CapsPtr & caps);
+QTGSTREAMER_EXPORT QDebug operator<<(QDebug debug, const CapsPtr & caps);
 
 
 namespace Private {
 
-QGlib::RefCountedObject *wrapCaps(void *caps);
+QTGSTREAMER_EXPORT QGlib::RefCountedObject *wrapCaps(void *caps);
 
 } //namespace Private
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Caps)
+QGST_REGISTER_TYPE(QGst::Caps)
 QGLIB_REGISTER_WRAPIMPL_FOR_SUBCLASSES_OF(QGst::Caps, QGst::Private::wrapCaps)
 
 #endif
diff --git a/src/QGst/childproxy.h b/src/QGst/childproxy.h
index 91d43b3..2128f32 100644
--- a/src/QGst/childproxy.h
+++ b/src/QGst/childproxy.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \interface ChildProxy childproxy.h <QGst/ChildProxy>
  * \brief Wrapper class for GstChildProxy
  */
-class ChildProxy : public QGlib::Interface
+class QTGSTREAMER_EXPORT ChildProxy : public QGlib::Interface
 {
     QGST_WRAPPER(ChildProxy)
 public:
@@ -52,7 +52,7 @@ void ChildProxy::setChildProperty(const char *name, const T & value)
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::ChildProxy)
+QGST_REGISTER_TYPE(QGst::ChildProxy)
 QGLIB_REGISTER_INTERFACE(QGst::ChildProxy)
 
 #endif // QGST_CHILDPROXY_H
diff --git a/src/QGst/clock.h b/src/QGst/clock.h
index b4e364f..f530d24 100644
--- a/src/QGst/clock.h
+++ b/src/QGst/clock.h
@@ -27,7 +27,7 @@ namespace QGst {
 /*! \headerfile clock.h <QGst/Clock>
  * \brief Wrapper class for GstClock
  */
-class Clock : public Object
+class QTGSTREAMER_EXPORT Clock : public Object
 {
     QGST_WRAPPER(Clock)
 public:
@@ -43,6 +43,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Clock)
+QGST_REGISTER_TYPE(QGst::Clock)
 
 #endif // QGST_CLOCK_H
diff --git a/src/QGst/colorbalance.h b/src/QGst/colorbalance.h
index 7e54099..bece181 100644
--- a/src/QGst/colorbalance.h
+++ b/src/QGst/colorbalance.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \headerfile colorbalance.h <QGst/ColorBalance>
  * \brief Wrapper class for GstColorBalanceChannel
  */
-class ColorBalanceChannel : public QGlib::Object
+class QTGSTREAMER_EXPORT ColorBalanceChannel : public QGlib::Object
 {
     QGST_WRAPPER(ColorBalanceChannel)
 public:
@@ -37,7 +37,7 @@ public:
 /*! \headerfile colorbalance.h <QGst/ColorBalance>
  * \brief Wrapper class for GstColorBalance
  */
-class ColorBalance : public QGlib::Interface
+class QTGSTREAMER_EXPORT ColorBalance : public QGlib::Interface
 {
     QGST_WRAPPER(ColorBalance)
 public:
@@ -49,8 +49,8 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::ColorBalanceChannel)
-QGLIB_REGISTER_TYPE(QGst::ColorBalance)
+QGST_REGISTER_TYPE(QGst::ColorBalanceChannel)
+QGST_REGISTER_TYPE(QGst::ColorBalance)
 QGLIB_REGISTER_INTERFACE(QGst::ColorBalance)
 
 #endif // QGST_COLORBALANCE_H
diff --git a/src/QGst/element.h b/src/QGst/element.h
index 371d622..0b6a9fc 100644
--- a/src/QGst/element.h
+++ b/src/QGst/element.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \headerfile element.h <QGst/Element>
  * \brief Wrapper class for GstElement
  */
-class Element : public Object
+class QTGSTREAMER_EXPORT Element : public Object
 {
     QGST_WRAPPER(Element)
 public:
@@ -63,6 +63,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Element)
+QGST_REGISTER_TYPE(QGst::Element)
 
 #endif // QGST_ELEMENT_H
diff --git a/src/QGst/elementfactory.h b/src/QGst/elementfactory.h
index 996376f..3b10b3a 100644
--- a/src/QGst/elementfactory.h
+++ b/src/QGst/elementfactory.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \headerfile elementfactory.h <QGst/ElementFactory>
  * \brief Wrapper class for GstElementFactory
  */
-class ElementFactory : public PluginFeature
+class QTGSTREAMER_EXPORT ElementFactory : public PluginFeature
 {
     QGST_WRAPPER(ElementFactory)
 public:
@@ -48,6 +48,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::ElementFactory)
+QGST_REGISTER_TYPE(QGst::ElementFactory)
 
 #endif
diff --git a/src/QGst/enums.h b/src/QGst/enums.h
index 7d0fa6c..4b7dc8e 100644
--- a/src/QGst/enums.h
+++ b/src/QGst/enums.h
@@ -19,7 +19,7 @@
 #ifndef QGST_ENUMS_H
 #define QGST_ENUMS_H
 
-#include "../QGlib/type.h"
+#include "global.h"
 #include <QtCore/QFlags>
 
 namespace QGst {
@@ -31,7 +31,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(MiniObjectFlags, MiniObjectFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(MiniObjectFlags);
 }
-QGLIB_REGISTER_TYPE(QGst::MiniObjectFlags);
+QGST_REGISTER_TYPE(QGst::MiniObjectFlags);
 
 
 namespace QGst {
@@ -44,7 +44,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(ObjectFlags, ObjectFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(ObjectFlags);
 }
-QGLIB_REGISTER_TYPE(QGst::ObjectFlags);
+QGST_REGISTER_TYPE(QGst::ObjectFlags);
 
 
 namespace QGst {
@@ -56,7 +56,7 @@ namespace QGst {
         StatePlaying = 4
     };
 }
-QGLIB_REGISTER_TYPE(QGst::State)
+QGST_REGISTER_TYPE(QGst::State)
 
 namespace QGst {
     enum StateChange {
@@ -68,7 +68,7 @@ namespace QGst {
         StateChangeReadyToNull = (StateReady<<3) | StateNull
     };
 }
-QGLIB_REGISTER_TYPE(QGst::StateChange)
+QGST_REGISTER_TYPE(QGst::StateChange)
 
 namespace QGst {
     enum StateChangeReturn {
@@ -78,7 +78,7 @@ namespace QGst {
         StateChangeNoPreroll = 3
     };
 }
-QGLIB_REGISTER_TYPE(QGst::StateChangeReturn)
+QGST_REGISTER_TYPE(QGst::StateChangeReturn)
 
 
 namespace QGst {
@@ -88,7 +88,7 @@ namespace QGst {
         PadSink
     };
 }
-QGLIB_REGISTER_TYPE(QGst::PadDirection)
+QGST_REGISTER_TYPE(QGst::PadDirection)
 
 namespace QGst {
     enum PadFlag {
@@ -104,7 +104,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(PadFlags, PadFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(PadFlags);
 }
-QGLIB_REGISTER_TYPE(QGst::PadFlags);
+QGST_REGISTER_TYPE(QGst::PadFlags);
 
 namespace QGst {
     enum PadLinkReturn {
@@ -118,7 +118,7 @@ namespace QGst {
         PadLinkRefused = -6
     };
 }
-QGLIB_REGISTER_TYPE(QGst::PadLinkReturn)
+QGST_REGISTER_TYPE(QGst::PadLinkReturn)
 
 namespace QGst {
     enum FlowReturn {
@@ -134,7 +134,7 @@ namespace QGst {
         FlowCustomError = -100
     };
 }
-QGLIB_REGISTER_TYPE(QGst::FlowReturn)
+QGST_REGISTER_TYPE(QGst::FlowReturn)
 
 namespace QGst {
     enum ActivateMode {
@@ -143,7 +143,7 @@ namespace QGst {
         ActivatePull
     };
 }
-QGLIB_REGISTER_TYPE(QGst::ActivateMode)
+QGST_REGISTER_TYPE(QGst::ActivateMode)
 
 
 namespace QGst {
@@ -154,7 +154,7 @@ namespace QGst {
         RankPrimary = 256
     };
 }
-QGLIB_REGISTER_TYPE(QGst::Rank)
+QGST_REGISTER_TYPE(QGst::Rank)
 
 
 namespace QGst {
@@ -188,7 +188,7 @@ namespace QGst {
         MessageAny             = ~0
     };
 }
-QGLIB_REGISTER_TYPE(QGst::MessageType)
+QGST_REGISTER_TYPE(QGst::MessageType)
 
 
 namespace QGst {
@@ -202,7 +202,7 @@ namespace QGst {
         ParseErrorEmpty
     };
 }
-QGLIB_REGISTER_TYPE(QGst::ParseError)
+QGST_REGISTER_TYPE(QGst::ParseError)
 
 
 namespace QGst {
@@ -212,7 +212,7 @@ namespace QGst {
         UriSrc
     };
 }
-QGLIB_REGISTER_TYPE(QGst::UriType)
+QGST_REGISTER_TYPE(QGst::UriType)
 
 namespace QGst {
     enum BufferingMode {
@@ -222,7 +222,7 @@ namespace QGst {
         BufferingLive
     };
 }
-QGLIB_REGISTER_TYPE(QGst::BufferingMode)
+QGST_REGISTER_TYPE(QGst::BufferingMode)
 
 namespace QGst {
     enum Format {
@@ -234,7 +234,7 @@ namespace QGst {
         FormatPercent
     };
 }
-QGLIB_REGISTER_TYPE(QGst::Format)
+QGST_REGISTER_TYPE(QGst::Format)
 
 namespace QGst {
     enum StreamStatusType {
@@ -247,7 +247,7 @@ namespace QGst {
         StreamStatusTypeStop = 10
     };
 }
-QGLIB_REGISTER_TYPE(QGst::StreamStatusType)
+QGST_REGISTER_TYPE(QGst::StreamStatusType)
 
 namespace QGst {
     enum StreamVolumeFormat {
@@ -256,7 +256,7 @@ namespace QGst {
         StreamVolumeFormatDb
     };
 }
-QGLIB_REGISTER_TYPE(QGst::StreamVolumeFormat)
+QGST_REGISTER_TYPE(QGst::StreamVolumeFormat)
 
 namespace QGst {
     enum ColorBalanceType {
@@ -264,7 +264,7 @@ namespace QGst {
         ColorBalanceSoftware
     };
 }
-QGLIB_REGISTER_TYPE(QGst::ColorBalanceType)
+QGST_REGISTER_TYPE(QGst::ColorBalanceType)
 
 namespace QGst {
     enum QueryType {
@@ -283,7 +283,7 @@ namespace QGst {
         QueryUri
     };
 }
-QGLIB_REGISTER_TYPE(QGst::QueryType)
+QGST_REGISTER_TYPE(QGst::QueryType)
 
 namespace QGst {
     enum BufferFlag {
@@ -302,7 +302,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(BufferFlags, BufferFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(BufferFlags)
 }
-QGLIB_REGISTER_TYPE(QGst::BufferFlags) //codegen: GType=GST_TYPE_BUFFER_FLAG
+QGST_REGISTER_TYPE(QGst::BufferFlags) //codegen: GType=GST_TYPE_BUFFER_FLAG
 
 
 namespace QGst {
@@ -315,7 +315,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(EventTypeFlags, EventTypeFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(EventTypeFlags)
 }
-QGLIB_REGISTER_TYPE(QGst::EventTypeFlags)
+QGST_REGISTER_TYPE(QGst::EventTypeFlags)
 
 namespace QGst {
     enum EventType {
@@ -340,7 +340,7 @@ namespace QGst {
         EventCustomBothOob = (32 << 4) | EventTypeBoth
     };
 }
-QGLIB_REGISTER_TYPE(QGst::EventType)
+QGST_REGISTER_TYPE(QGst::EventType)
 
 namespace QGst {
     enum SeekFlag {
@@ -354,7 +354,7 @@ namespace QGst {
     Q_DECLARE_FLAGS(SeekFlags, SeekFlag);
     Q_DECLARE_OPERATORS_FOR_FLAGS(SeekFlags)
 }
-QGLIB_REGISTER_TYPE(QGst::SeekFlags)
+QGST_REGISTER_TYPE(QGst::SeekFlags)
 
 namespace QGst {
     enum SeekType {
@@ -364,6 +364,6 @@ namespace QGst {
         SeekTypeEnd = 3
     };
 }
-QGLIB_REGISTER_TYPE(QGst::SeekType)
+QGST_REGISTER_TYPE(QGst::SeekType)
 
 #endif
diff --git a/src/QGst/event.h b/src/QGst/event.h
index 34c84e0..3896f4d 100644
--- a/src/QGst/event.h
+++ b/src/QGst/event.h
@@ -50,7 +50,7 @@ namespace QGst {
  * used as arguments in slots connected to GObject signals, even though you may know that your
  * slot will only be called with that type of event.
  */
-class Event : public MiniObject
+class QTGSTREAMER_EXPORT Event : public MiniObject
 {
     QGST_WRAPPER(Event)
 public:
@@ -72,7 +72,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::FlushStartEvent
  */
-class FlushStartEvent : public Event
+class QTGSTREAMER_EXPORT FlushStartEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(FlushStart, Event)
 public:
@@ -82,7 +82,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::FlushStopEvent
  */
-class FlushStopEvent : public Event
+class QTGSTREAMER_EXPORT FlushStopEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(FlushStop, Event)
 public:
@@ -92,7 +92,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::EosEvent
  */
-class EosEvent : public Event
+class QTGSTREAMER_EXPORT EosEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Eos, Event)
 public:
@@ -102,7 +102,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::NewSegmentEvent
  */
-class NewSegmentEvent : public Event
+class QTGSTREAMER_EXPORT NewSegmentEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(NewSegment, Event)
 public:
@@ -123,7 +123,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::BufferSizeEvent
  */
-class BufferSizeEvent : public Event
+class QTGSTREAMER_EXPORT BufferSizeEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(BufferSize, Event)
 public:
@@ -138,7 +138,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::BufferSizeEvent
  */
-class SinkMessageEvent : public Event
+class QTGSTREAMER_EXPORT SinkMessageEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(SinkMessage, Event)
 public:
@@ -150,7 +150,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::QosEvent
  */
-class QosEvent : public Event
+class QTGSTREAMER_EXPORT QosEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Qos, Event)
 public:
@@ -164,7 +164,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::SeekEvent
  */
-class SeekEvent : public Event
+class QTGSTREAMER_EXPORT SeekEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Seek, Event)
 public:
@@ -183,7 +183,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::NavigationEvent
  */
-class NavigationEvent : public Event
+class QTGSTREAMER_EXPORT NavigationEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Navigation, Event)
 public:
@@ -193,7 +193,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::LatencyEvent
  */
-class LatencyEvent : public Event
+class QTGSTREAMER_EXPORT LatencyEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Latency, Event)
 public:
@@ -205,7 +205,7 @@ public:
 /*! \headerfile event.h <QGst/Event>
  * \brief Wrapper class for events of type QGst::StepEvent
  */
-class StepEvent : public Event
+class QTGSTREAMER_EXPORT StepEvent : public Event
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Step, Event)
 public:
@@ -221,7 +221,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Event)
+QGST_REGISTER_TYPE(QGst::Event)
 QGST_REGISTER_SUBCLASS(Event, FlushStart)
 QGST_REGISTER_SUBCLASS(Event, FlushStop)
 QGST_REGISTER_SUBCLASS(Event, Eos)
diff --git a/src/QGst/ghostpad.h b/src/QGst/ghostpad.h
index 08fa956..0a80146 100644
--- a/src/QGst/ghostpad.h
+++ b/src/QGst/ghostpad.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \headerfile ghostpad.h <QGst/GhostPad>
  * \brief Wrapper class for GstGhostPad
  */
-class GhostPad : public Pad
+class QTGSTREAMER_EXPORT GhostPad : public Pad
 {
     QGST_WRAPPER(GhostPad)
 public:
@@ -37,6 +37,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::GhostPad)
+QGST_REGISTER_TYPE(QGst::GhostPad)
 
 #endif
diff --git a/src/QGst/global.h b/src/QGst/global.h
index 5c74c35..a1437cf 100644
--- a/src/QGst/global.h
+++ b/src/QGst/global.h
@@ -17,10 +17,30 @@
 #ifndef QGST_GLOBAL_H
 #define QGST_GLOBAL_H
 
-#include "enums.h"
+#include "../QGlib/type.h"
 #include <QtCore/QtGlobal>
 #include <QtCore/QSharedPointer>
 
+/* defined by cmake when building this library */
+#if defined(QtGStreamer_EXPORTS)
+# define QTGSTREAMER_EXPORT Q_DECL_EXPORT
+#else
+# define QTGSTREAMER_EXPORT Q_DECL_IMPORT
+#endif
+
+#if !defined(Q_OS_WIN) && !defined(Q_CC_NOKIAX86) && \
+    !defined(Q_CC_RVCT) && defined(QT_VISIBILITY_AVAILABLE)
+# define QTGSTREAMER_NO_EXPORT __attribute__((visibility("hidden")))
+#else
+# define QTGSTREAMER_NO_EXPORT
+#endif
+
+#define QGST_REGISTER_TYPE(T) \
+    QGLIB_REGISTER_TYPE_WITH_EXPORT_MACRO(T, QTGSTREAMER_EXPORT)
+
+//cyclic dependency, must include after defining the above
+#include "enums.h"
+
 #define QGST_WRAPPER_GSTCLASS_DECLARATION(Class) \
     typedef struct _Gst##Class Gst##Class;
 
@@ -160,7 +180,7 @@ namespace QGst {
 
 namespace QGst {
     /*! \overload */
-    void init();
+    QTGSTREAMER_EXPORT void init();
 
     /*! Initializes the GStreamer library, setting up internal path lists,
      * registering built-in elements, and loading standard plugins.
@@ -170,7 +190,7 @@ namespace QGst {
      * \param argv pointer to the application's argv
      * \throws QGlib::Error when initialization fails
      */
-    void init(int *argc, char **argv[]);
+    QTGSTREAMER_EXPORT void init(int *argc, char **argv[]);
 
     /*! Clean up any resources created by GStreamer in init().
      *
@@ -180,7 +200,7 @@ namespace QGst {
      *
      * After this call GStreamer (including this method) should not be used anymore.
      */
-    void cleanup();
+    QTGSTREAMER_EXPORT void cleanup();
 }
 
 #endif
diff --git a/src/QGst/message.h b/src/QGst/message.h
index 6308974..a9b2d96 100644
--- a/src/QGst/message.h
+++ b/src/QGst/message.h
@@ -43,7 +43,7 @@ namespace QGst {
  * used as arguments in slots connected to GObject signals, even though you may know that your
  * slot will only be called with that type of message.
  */
-class Message : public MiniObject
+class QTGSTREAMER_EXPORT Message : public MiniObject
 {
     QGST_WRAPPER(Message)
 public:
@@ -62,7 +62,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageEos
  */
-class EosMessage : public Message
+class QTGSTREAMER_EXPORT EosMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Eos, Message)
 public:
@@ -72,7 +72,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageError
  */
-class ErrorMessage : public Message
+class QTGSTREAMER_EXPORT ErrorMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Error, Message)
 public:
@@ -86,7 +86,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageWarning
  */
-class WarningMessage : public Message
+class QTGSTREAMER_EXPORT WarningMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Warning, Message)
 public:
@@ -100,7 +100,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageInfo
  */
-class InfoMessage : public Message
+class QTGSTREAMER_EXPORT InfoMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Info, Message)
 public:
@@ -116,7 +116,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageBuffering
  */
-class BufferingMessage : public Message
+class QTGSTREAMER_EXPORT BufferingMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Buffering, Message)
 public:
@@ -134,7 +134,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageStateChanged
  */
-class StateChangedMessage : public Message
+class QTGSTREAMER_EXPORT StateChangedMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(StateChanged, Message)
 public:
@@ -151,7 +151,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageStepDone
  */
-class StepDoneMessage : public Message
+class QTGSTREAMER_EXPORT StepDoneMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(StepDone, Message)
 public:
@@ -173,7 +173,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageStreamStatus
  */
-class StreamStatusMessage : public Message
+class QTGSTREAMER_EXPORT StreamStatusMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(StreamStatus, Message)
 public:
@@ -189,7 +189,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageApplication
  */
-class ApplicationMessage : public Message
+class QTGSTREAMER_EXPORT ApplicationMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Application, Message)
 public:
@@ -200,7 +200,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageElement
  */
-class ElementMessage : public Message
+class QTGSTREAMER_EXPORT ElementMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Element, Message)
 public:
@@ -213,7 +213,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageSegmentDone
  */
-class SegmentDoneMessage : public Message
+class QTGSTREAMER_EXPORT SegmentDoneMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(SegmentDone, Message)
 public:
@@ -226,7 +226,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageDuration
  */
-class DurationMessage : public Message
+class QTGSTREAMER_EXPORT DurationMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Duration, Message)
 public:
@@ -239,7 +239,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageLatency
  */
-class LatencyMessage : public Message
+class QTGSTREAMER_EXPORT LatencyMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Latency, Message)
 public:
@@ -251,7 +251,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageAsyncDone
  */
-class AsyncDoneMessage : public Message
+class QTGSTREAMER_EXPORT AsyncDoneMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(AsyncDone, Message)
 public:
@@ -261,7 +261,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageRequestState
  */
-class RequestStateMessage : public Message
+class QTGSTREAMER_EXPORT RequestStateMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(RequestState, Message)
 public:
@@ -273,7 +273,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageStepStart
  */
-class StepStartMessage : public Message
+class QTGSTREAMER_EXPORT StepStartMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(StepStart, Message)
 public:
@@ -290,7 +290,7 @@ public:
 /*! \headerfile message.h <QGst/Message>
  * \brief Wrapper class for messages of type QGst::MessageQos
  */
-class QosMessage : public Message
+class QTGSTREAMER_EXPORT QosMessage : public Message
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Qos, Message)
 public:
@@ -316,7 +316,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Message)
+QGST_REGISTER_TYPE(QGst::Message)
 QGST_REGISTER_SUBCLASS(Message, Eos)
 QGST_REGISTER_SUBCLASS(Message, Error)
 QGST_REGISTER_SUBCLASS(Message, Warning)
diff --git a/src/QGst/miniobject.h b/src/QGst/miniobject.h
index 61690c7..7746aa9 100644
--- a/src/QGst/miniobject.h
+++ b/src/QGst/miniobject.h
@@ -26,7 +26,7 @@ namespace QGst {
 /*! \headerfile miniobject.h <QGst/MiniObject>
  * \brief Wrapper class for GstMiniObject
  */
-class MiniObject : public QGlib::RefCountedObject
+class QTGSTREAMER_EXPORT MiniObject : public QGlib::RefCountedObject
 {
     QGST_WRAPPER(MiniObject)
 public:
@@ -47,12 +47,12 @@ protected:
 
 namespace Private {
 
-QGlib::RefCountedObject *wrapMiniObject(void *miniObject);
+QTGSTREAMER_EXPORT QGlib::RefCountedObject *wrapMiniObject(void *miniObject);
 
 } //namespace Private
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::MiniObject)
+QGST_REGISTER_TYPE(QGst::MiniObject)
 QGLIB_REGISTER_WRAPIMPL_FOR_SUBCLASSES_OF(QGst::MiniObject, QGst::Private::wrapMiniObject)
 
 #endif
diff --git a/src/QGst/object.h b/src/QGst/object.h
index 015efac..ca0684f 100644
--- a/src/QGst/object.h
+++ b/src/QGst/object.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \headerfile QGst/object.h <QGst/Object>
  * \brief Wrapper class for GstObject
  */
-class Object : public QGlib::Object
+class QTGSTREAMER_EXPORT Object : public QGlib::Object
 {
     QGST_WRAPPER(Object)
 public:
@@ -45,6 +45,6 @@ protected:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Object)
+QGST_REGISTER_TYPE(QGst::Object)
 
 #endif // QGST_OBJECT_H
diff --git a/src/QGst/pad.h b/src/QGst/pad.h
index df117da..41ba8a1 100644
--- a/src/QGst/pad.h
+++ b/src/QGst/pad.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \headerfile pad.h <QGst/Pad>
  * \brief Wrapper class for GstPad
  */
-class Pad : public Object
+class QTGSTREAMER_EXPORT Pad : public Object
 {
     QGST_WRAPPER(Pad)
 public:
@@ -65,6 +65,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Pad)
+QGST_REGISTER_TYPE(QGst::Pad)
 
 #endif
diff --git a/src/QGst/parse.h b/src/QGst/parse.h
index 652a1e8..517531d 100644
--- a/src/QGst/parse.h
+++ b/src/QGst/parse.h
@@ -31,14 +31,14 @@ namespace Parse {
  * The syntax is the same as the one used in the gst-launch tool.
  * \throws QGlib::Error when there was a problem creating the pipeline
  */
-ElementPtr launch(const char *description);
+QTGSTREAMER_EXPORT ElementPtr launch(const char *description);
 
 /*! \overload
  * This function takes an array of strings, which are joined before they are
  * parsed as a description. This is the function used by the gst-launch tool.
  * \throws QGlib::Error when there was a problem creating the pipeline
  */
-ElementPtr launch(const char *argv[]);
+QTGSTREAMER_EXPORT ElementPtr launch(const char *argv[]);
 
 } //namespace Parse
 } //namespace QGst
diff --git a/src/QGst/pipeline.h b/src/QGst/pipeline.h
index 18f2323..a6d5eee 100644
--- a/src/QGst/pipeline.h
+++ b/src/QGst/pipeline.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \headerfile pipeline.h <QGst/Pipeline>
  * \brief Wrapper class for GstPipeline
  */
-class Pipeline : public Bin
+class QTGSTREAMER_EXPORT Pipeline : public Bin
 {
     QGST_WRAPPER(Pipeline)
 public:
@@ -38,6 +38,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::Pipeline)
+QGST_REGISTER_TYPE(QGst::Pipeline)
 
 #endif
diff --git a/src/QGst/pluginfeature.h b/src/QGst/pluginfeature.h
index 89bf356..c363e7a 100644
--- a/src/QGst/pluginfeature.h
+++ b/src/QGst/pluginfeature.h
@@ -24,7 +24,7 @@ namespace QGst {
 /*! \headerfile pluginfeature.h <QGst/PluginFeature>
  * \brief Wrapper class for GstPluginFeature
  */
-class PluginFeature : public Object
+class QTGSTREAMER_EXPORT PluginFeature : public Object
 {
     QGST_WRAPPER(PluginFeature)
 public:
@@ -41,6 +41,6 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::PluginFeature)
+QGST_REGISTER_TYPE(QGst::PluginFeature)
 
 #endif // QGST_PLUGINFEATURE_H
diff --git a/src/QGst/propertyprobe.h b/src/QGst/propertyprobe.h
index 1385add..31082d1 100644
--- a/src/QGst/propertyprobe.h
+++ b/src/QGst/propertyprobe.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \interface PropertyProbe propertyprobe.h <QGst/PropertyProbe>
  * \brief Wrapper class for GstPropertyProbe
  */
-class PropertyProbe : public QGlib::Interface
+class QTGSTREAMER_EXPORT PropertyProbe : public QGlib::Interface
 {
     QGST_WRAPPER(PropertyProbe)
 public:
@@ -49,7 +49,7 @@ public:
 
 }
 
-QGLIB_REGISTER_TYPE(QGst::PropertyProbe)
+QGST_REGISTER_TYPE(QGst::PropertyProbe)
 QGLIB_REGISTER_INTERFACE(QGst::PropertyProbe)
 
 #endif // QGST_PROPERTYPROBE_H
diff --git a/src/QGst/query.h b/src/QGst/query.h
index 1033825..5569975 100644
--- a/src/QGst/query.h
+++ b/src/QGst/query.h
@@ -49,7 +49,7 @@ namespace QGst {
      * used as arguments in slots connected to GObject signals, even though you may know that your
      * slot will only be called with that type of queries.
      */
-class Query : public MiniObject
+class QTGSTREAMER_EXPORT Query : public MiniObject
 {
     QGST_WRAPPER(Query)
 public:
@@ -64,7 +64,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::PositionQuery
  */
-class PositionQuery : public Query
+class QTGSTREAMER_EXPORT PositionQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Position, Query)
 public:
@@ -78,7 +78,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::DurationQuery
  */
-class DurationQuery : public Query
+class QTGSTREAMER_EXPORT DurationQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Duration, Query)
 public:
@@ -92,7 +92,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::LatencyQuery
  */
-class LatencyQuery : public Query
+class QTGSTREAMER_EXPORT LatencyQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Latency, Query)
 public:
@@ -108,7 +108,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::SeekingQuery
  */
-class SeekingQuery : public Query
+class QTGSTREAMER_EXPORT SeekingQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Seeking, Query)
 public:
@@ -125,7 +125,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::SegmentQuery
  */
-class SegmentQuery : public Query
+class QTGSTREAMER_EXPORT SegmentQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Segment, Query)
 public:
@@ -142,7 +142,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::ConvertQuery
  */
-class ConvertQuery : public Query
+class QTGSTREAMER_EXPORT ConvertQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Convert, Query)
 public:
@@ -160,7 +160,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::FormatsQuery
  */
-class FormatsQuery : public Query
+class QTGSTREAMER_EXPORT FormatsQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Formats, Query)
 public:
@@ -174,7 +174,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::BufferingQuery
  */
-class BufferingQuery : public Query
+class QTGSTREAMER_EXPORT BufferingQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Buffering, Query)
 public:
@@ -203,7 +203,7 @@ public:
 /*! \headerfile query.h <QGst/Query>
  * \brief Wrapper class for queries of type QGst::UriQuery
  */
-class UriQuery : public Query
+class QTGSTREAMER_EXPORT UriQuery : public Query
 {
     QGST_WRAPPER_FAKE_SUBCLASS(Uri, Query)
 public:
@@ -216,7 +216,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Query)
+QGST_REGISTER_TYPE(QGst::Query)
 QGST_REGISTER_SUBCLASS(Query, Position)
 QGST_REGISTER_SUBCLASS(Query, Duration)
 QGST_REGISTER_SUBCLASS(Query, Latency)
diff --git a/src/QGst/streamvolume.h b/src/QGst/streamvolume.h
index e646eca..099534e 100644
--- a/src/QGst/streamvolume.h
+++ b/src/QGst/streamvolume.h
@@ -25,7 +25,7 @@ namespace QGst {
 /*! \headerfile streamvolume.h <QGst/StreamVolume>
  * \brief Wrapper class for GstStreamVolume
  */
-class StreamVolume : public QGlib::Interface
+class QTGSTREAMER_EXPORT StreamVolume : public QGlib::Interface
 {
     QGST_WRAPPER(StreamVolume)
 public:
@@ -40,7 +40,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::StreamVolume)
+QGST_REGISTER_TYPE(QGst::StreamVolume)
 QGLIB_REGISTER_INTERFACE(QGst::StreamVolume)
 
 #endif // QGST_STREAMVOLUME_H
diff --git a/src/QGst/structs.h b/src/QGst/structs.h
index 5be935d..aef86da 100644
--- a/src/QGst/structs.h
+++ b/src/QGst/structs.h
@@ -17,14 +17,14 @@
 #ifndef QGST_STRUCTS_H
 #define QGST_STRUCTS_H
 
-#include "../QGlib/type.h"
+#include "global.h"
 
 namespace QGst {
 
     /*! \headerfile structs.h <QGst/Fourcc>
      * \brief Helper structure for accessing Fourcc values
      */
-    struct Fourcc
+    struct QTGSTREAMER_EXPORT Fourcc
     {
         inline Fourcc() { value.as_integer = 0; }
 
@@ -65,13 +65,13 @@ namespace QGst {
         } value;
     };
 }
-QGLIB_REGISTER_TYPE(QGst::Fourcc)
+QGST_REGISTER_TYPE(QGst::Fourcc)
 
 namespace QGst {
     /*! \headerfile structs.h <QGst/Fraction>
      * \brief Helper structure for accessing Fraction values
      */
-    struct Fraction
+    struct QTGSTREAMER_EXPORT Fraction
     {
         inline Fraction() {}
         inline Fraction(int numerator, int denominator)
@@ -81,7 +81,7 @@ namespace QGst {
         int denominator;
     };
 }
-QGLIB_REGISTER_TYPE(QGst::Fraction)
+QGST_REGISTER_TYPE(QGst::Fraction)
 
 namespace QGst {
     namespace Private {
@@ -117,8 +117,8 @@ namespace QGst {
      */
     typedef Private::Range<Fraction> FractionRange;
 }
-QGLIB_REGISTER_TYPE(QGst::IntRange)
-QGLIB_REGISTER_TYPE(QGst::DoubleRange)
-QGLIB_REGISTER_TYPE(QGst::FractionRange)
+QGST_REGISTER_TYPE(QGst::IntRange)
+QGST_REGISTER_TYPE(QGst::DoubleRange)
+QGST_REGISTER_TYPE(QGst::FractionRange)
 
 #endif // QGST_STRUCTS_H
diff --git a/src/QGst/structure.h b/src/QGst/structure.h
index 6d3f111..ef0b730 100644
--- a/src/QGst/structure.h
+++ b/src/QGst/structure.h
@@ -34,7 +34,7 @@ namespace QGst {
  * \sa SharedStructure
  */
 
-class Structure
+class QTGSTREAMER_EXPORT Structure
 {
 public:
     Structure();
@@ -88,7 +88,7 @@ protected:
  * unlike Structure, which always keeps a GstStructure instance for itself.
  * \sa Structure
  */
-class SharedStructure : public Structure
+class QTGSTREAMER_EXPORT SharedStructure : public Structure
 {
 public:
     virtual ~SharedStructure();
@@ -107,11 +107,11 @@ private:
 };
 
 /*! \relates QGst::StructureBase */
-QDebug operator<<(QDebug debug, const Structure & structure);
+QTGSTREAMER_EXPORT QDebug operator<<(QDebug debug, const Structure & structure);
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::Structure)
-QGLIB_REGISTER_TYPE(QGst::SharedStructure) //codegen: GType=GST_TYPE_STRUCTURE
+QGST_REGISTER_TYPE(QGst::Structure)
+QGST_REGISTER_TYPE(QGst::SharedStructure) //codegen: GType=GST_TYPE_STRUCTURE
 
 #endif
diff --git a/src/QGst/urihandler.h b/src/QGst/urihandler.h
index eafd3a5..4cb8a30 100644
--- a/src/QGst/urihandler.h
+++ b/src/QGst/urihandler.h
@@ -26,7 +26,7 @@ namespace QGst {
 /*! \interface UriHandler urihandler.h <QGst/UriHandler>
  * \brief Wrapper class for GstURIHandler
  */
-class UriHandler : public QGlib::Interface
+class QTGSTREAMER_EXPORT UriHandler : public QGlib::Interface
 {
     QGST_WRAPPER_DIFFERENT_C_CLASS(UriHandler, URIHandler)
 public:
@@ -41,7 +41,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::UriHandler)
+QGST_REGISTER_TYPE(QGst::UriHandler)
 QGLIB_REGISTER_INTERFACE(QGst::UriHandler)
 
 #endif // QGST_URIHANDLER_H
diff --git a/src/QGst/videoorientation.h b/src/QGst/videoorientation.h
index 60c5ff1..7b7a29b 100644
--- a/src/QGst/videoorientation.h
+++ b/src/QGst/videoorientation.h
@@ -27,7 +27,7 @@ namespace QGst {
 /*! \interface VideoOrientation videoorientation.h <QGst/VideoOrientation>
  * \brief Wrapper class for GstVideoOrientation
  */
-class VideoOrientation : public QGlib::Interface
+class QTGSTREAMER_EXPORT VideoOrientation : public QGlib::Interface
 {
     QGST_WRAPPER(VideoOrientation)
 public:
@@ -43,7 +43,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::VideoOrientation)
+QGST_REGISTER_TYPE(QGst::VideoOrientation)
 QGLIB_REGISTER_INTERFACE(QGst::VideoOrientation)
 
 #endif // QGST_VIDEOORIENTATION_H
diff --git a/src/QGst/xoverlay.h b/src/QGst/xoverlay.h
index 2db89f9..608ab9f 100644
--- a/src/QGst/xoverlay.h
+++ b/src/QGst/xoverlay.h
@@ -28,7 +28,7 @@ namespace QGst {
 /*! \interface XOverlay xoverlay.h <QGst/XOverlay>
  * \brief Wrapper class for GstXOverlay
  */
-class XOverlay : public QGlib::Interface
+class QTGSTREAMER_EXPORT XOverlay : public QGlib::Interface
 {
     QGST_WRAPPER(XOverlay)
 public:
@@ -41,7 +41,7 @@ public:
 
 } //namespace QGst
 
-QGLIB_REGISTER_TYPE(QGst::XOverlay)
+QGST_REGISTER_TYPE(QGst::XOverlay)
 QGLIB_REGISTER_INTERFACE(QGst::XOverlay)
 
 #endif // QGST_XOVERLAY_H