all: use macros for symbol exposure

64 files changed, 66 insertions, 614 deletions

diff --git a/ftnoir_filter_accela/ftnoir_filter_accela.cpp b/ftnoir_filter_accela/ftnoir_filter_accela.cpp
index 5d89bc96..c4b329e1 100644
--- a/ftnoir_filter_accela/ftnoir_filter_accela.cpp
+++ b/ftnoir_filter_accela/ftnoir_filter_accela.cpp
@@ -30,8 +30,8 @@ static constexpr double trans_gains[][2] = {
     { 2, 150 },
     { 1.66, 60 },
     { 1.33, 20 },
-    { 1, 4 },
-    { .66, 1.5 },
+    { 1, 2 },
+    { .66, .6 },
     { .33, .2 },
     { 0, 0 },
     { -1, 0 }
@@ -104,12 +104,5 @@ void FTNoIR_Filter::filter(const double* input, double *output)
     }
 }
 
-extern "C" OPENTRACK_EXPORT IFilter* GetConstructor()
-{
-    return new FTNoIR_Filter;
-}
+OPENTRACK_DECLARE_FILTER(FTNoIR_Filter, FilterControls, FTNoIR_FilterDll)
 
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_FilterDll;
-}
diff --git a/ftnoir_filter_accela/ftnoir_filter_accela_dialog.cpp b/ftnoir_filter_accela/ftnoir_filter_accela_dialog.cpp
index dbac8362..2c25ac33 100644
--- a/ftnoir_filter_accela/ftnoir_filter_accela_dialog.cpp
+++ b/ftnoir_filter_accela/ftnoir_filter_accela_dialog.cpp
@@ -85,7 +85,3 @@ void FilterControls::update_trans_dz_display(int value)
     ui.trans_dz->setText(QString::number(value * s.mult_trans_dz) + "mm");
 }
 
-extern "C" OPENTRACK_EXPORT IFilterDialog* GetDialog()
-{
-    return new FilterControls;
-}
diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
index 86cc2a96..c09fb912 100644
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
+++ b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
@@ -78,7 +78,4 @@ void FTNoIR_Filter::filter(const double *input, double *output)
     }
 }
 
-extern "C" OPENTRACK_EXPORT IFilter* GetConstructor()
-{
-    return new FTNoIR_Filter;
-}
+OPENTRACK_DECLARE_FILTER(FTNoIR_Filter, FilterControls, FTNoIR_FilterDll)
diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
index 9f603b25..bf4e83ad 100644
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
+++ b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
@@ -62,5 +62,5 @@ class FTNoIR_FilterDll : public Metadata
 {
 public:
     QString name() { return QString("EWMA"); }
-   QIcon icon() { return QIcon(":/images/filter-16.png"); }
+    QIcon icon() { return QIcon(":/images/filter-16.png"); }
 };
diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma2_dialog.cpp b/ftnoir_filter_ewma2/ftnoir_filter_ewma2_dialog.cpp
index 228bc086..30fb6003 100644
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma2_dialog.cpp
+++ b/ftnoir_filter_ewma2/ftnoir_filter_ewma2_dialog.cpp
@@ -41,8 +41,3 @@ void FilterControls::save() {
     if (pFilter)
         pFilter->receiveSettings();
 }
-
-extern "C" OPENTRACK_EXPORT IFilterDialog* GetDialog( )
-{
-    return new FilterControls;
-}
diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma_dll.cpp b/ftnoir_filter_ewma2/ftnoir_filter_ewma_dll.cpp
deleted file mode 100644
index 999dcd6f..00000000
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "ftnoir_filter_ewma2.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_FilterDll;
-}
diff --git a/ftnoir_filter_kalman/ftnoir_filter_kalman.h b/ftnoir_filter_kalman/ftnoir_filter_kalman.h
index e84ef347..a6f40bb7 100755
--- a/ftnoir_filter_kalman/ftnoir_filter_kalman.h
+++ b/ftnoir_filter_kalman/ftnoir_filter_kalman.h
@@ -27,7 +27,7 @@ struct settings : opts {
     {}
 };
 
-class OPENTRACK_EXPORT FTNoIR_Filter : public IFilter
+class FTNoIR_Filter : public IFilter
 {
 public:
     FTNoIR_Filter();
@@ -44,14 +44,14 @@ public:
     int prev_slider_pos;
 };
 
-class OPENTRACK_EXPORT FTNoIR_FilterDll : public Metadata
+class FTNoIR_FilterDll : public Metadata
 {
 public:
     QString name() { return QString("Kalman"); }
-   QIcon icon() { return QIcon(":/images/filter-16.png"); }
+    QIcon icon() { return QIcon(":/images/filter-16.png"); }
 };
 
-class OPENTRACK_EXPORT FilterControls: public IFilterDialog
+class FilterControls: public IFilterDialog
 {
     Q_OBJECT
 public:
diff --git a/ftnoir_filter_kalman/kalman.cpp b/ftnoir_filter_kalman/kalman.cpp
index 08b46f0f..f0b9e261 100644
--- a/ftnoir_filter_kalman/kalman.cpp
+++ b/ftnoir_filter_kalman/kalman.cpp
@@ -124,16 +124,4 @@ void FilterControls::doCancel() {
     close();
 }
 
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_FilterDll;
-}
-
-extern "C" OPENTRACK_EXPORT IFilter* GetConstructor()
-{
-    return new FTNoIR_Filter;
-}
-
-extern "C" OPENTRACK_EXPORT IFilterDialog* GetDialog() {
-    return new FilterControls;
-}
+OPENTRACK_DECLARE_FILTER(FTNoIR_Filter, FilterControls, FTNoIR_FilterDll)
diff --git a/ftnoir_protocol_fg/ftnoir_protocol_fg.cpp b/ftnoir_protocol_fg/ftnoir_protocol_fg.cpp
index 85dd4684..ced1acf8 100644
--- a/ftnoir_protocol_fg/ftnoir_protocol_fg.cpp
+++ b/ftnoir_protocol_fg/ftnoir_protocol_fg.cpp
@@ -52,7 +52,4 @@ bool FTNoIR_Protocol::correct()
     return outSocket.bind(QHostAddress::Any, 0, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, FGControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_fg/ftnoir_protocol_fg_dialog.cpp b/ftnoir_protocol_fg/ftnoir_protocol_fg_dialog.cpp
index d15c9466..04830c0b 100644
--- a/ftnoir_protocol_fg/ftnoir_protocol_fg_dialog.cpp
+++ b/ftnoir_protocol_fg/ftnoir_protocol_fg_dialog.cpp
@@ -61,7 +61,3 @@ void FGControls::doCancel() {
     this->close();
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog( )
-{
-    return new FGControls;
-}
diff --git a/ftnoir_protocol_fg/ftnoir_protocol_fg_dll.cpp b/ftnoir_protocol_fg/ftnoir_protocol_fg_dll.cpp
deleted file mode 100644
index aaaa1d63..00000000
--- a/ftnoir_protocol_fg/ftnoir_protocol_fg_dll.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-*																				*
-* Homepage																		*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-#include "ftnoir_protocol_fg.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc.cpp b/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc.cpp
index 20a39fbc..a7bb4a39 100644
--- a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc.cpp
+++ b/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc.cpp
@@ -158,7 +158,4 @@ bool FTNoIR_Protocol::correct()
 	return true;
 }
 
-extern "C" OPENTRACK_EXPORT FTNoIR_Protocol* GetConstructor(void)
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, FSUIPCControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dialog.cpp b/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dialog.cpp
index d38eae71..14fe54bf 100644
--- a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dialog.cpp
+++ b/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dialog.cpp
@@ -55,7 +55,3 @@ void FSUIPCControls::getLocationOfDLL()
     }
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog(void)
-{
-    return new FSUIPCControls;
-}
diff --git a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dll.cpp b/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dll.cpp
deleted file mode 100644
index 19ecf351..00000000
--- a/ftnoir_protocol_fsuipc/ftnoir_protocol_fsuipc_dll.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-*																				*
-* Homepage																		*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-#include "ftnoir_protocol_fsuipc.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata(void)
-{
-	return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_ft/ftnoir_protocol_ft.cpp b/ftnoir_protocol_ft/ftnoir_protocol_ft.cpp
index 56ae061f..73bf834a 100644
--- a/ftnoir_protocol_ft/ftnoir_protocol_ft.cpp
+++ b/ftnoir_protocol_ft/ftnoir_protocol_ft.cpp
@@ -178,7 +178,4 @@ bool FTNoIR_Protocol::correct()
     return true;
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, FTControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_ft/ftnoir_protocol_ft_dialog.cpp b/ftnoir_protocol_ft/ftnoir_protocol_ft_dialog.cpp
index 3e440607..db0165b5 100644
--- a/ftnoir_protocol_ft/ftnoir_protocol_ft_dialog.cpp
+++ b/ftnoir_protocol_ft/ftnoir_protocol_ft_dialog.cpp
@@ -72,7 +72,3 @@ void FTControls::selectDLL() {
     }
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog()
-{
-    return new FTControls;
-}
diff --git a/ftnoir_protocol_ft/ftnoir_protocol_ft_dll.cpp b/ftnoir_protocol_ft/ftnoir_protocol_ft_dll.cpp
deleted file mode 100644
index 13506022..00000000
--- a/ftnoir_protocol_ft/ftnoir_protocol_ft_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "opentrack/plugin-api.hpp"
-#include "ftnoir_protocol_ft/ftnoir_protocol_ft.h"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_ftn/ftnoir_protocol_ftn.cpp b/ftnoir_protocol_ftn/ftnoir_protocol_ftn.cpp
index f5911b2a..6aed5210 100644
--- a/ftnoir_protocol_ftn/ftnoir_protocol_ftn.cpp
+++ b/ftnoir_protocol_ftn/ftnoir_protocol_ftn.cpp
@@ -48,7 +48,4 @@ bool FTNoIR_Protocol::correct()
     return outSocket.bind(QHostAddress::Any, 0, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, FTNControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dialog.cpp b/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dialog.cpp
index 8104a9de..8a66f13b 100644
--- a/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dialog.cpp
+++ b/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dialog.cpp
@@ -54,8 +54,3 @@ void FTNControls::doCancel() {
     s.b->reload();
     this->close();
 }
-
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog( )
-{
-    return new FTNControls;
-}
diff --git a/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dll.cpp b/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dll.cpp
deleted file mode 100644
index d1fa3e33..00000000
--- a/ftnoir_protocol_ftn/ftnoir_protocol_ftn_dll.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-*																				*
-* Homepage																		*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-#include "ftnoir_protocol_ftn.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev.cpp b/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev.cpp
index f0479e0d..96805b39 100644
--- a/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev.cpp
+++ b/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev.cpp
@@ -94,7 +94,4 @@ void FTNoIR_Protocol::pose(const double* headpose) {
     (void) libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, LibevdevControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev_dll.cpp b/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev_dll.cpp
deleted file mode 100644
index 9a16ea52..00000000
--- a/ftnoir_protocol_libevdev/ftnoir_protocol_libevdev_dll.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "ftnoir_protocol_libevdev.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_mouse/ftnoir_protocol_mouse.cpp b/ftnoir_protocol_mouse/ftnoir_protocol_mouse.cpp
index ebf1ad19..6b7c52b2 100644
--- a/ftnoir_protocol_mouse/ftnoir_protocol_mouse.cpp
+++ b/ftnoir_protocol_mouse/ftnoir_protocol_mouse.cpp
@@ -72,7 +72,4 @@ bool FTNoIR_Protocol::correct()
     return true;
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, MOUSEControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dialog.cpp b/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dialog.cpp
index f4ecaa48..6633ee8c 100644
--- a/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dialog.cpp
+++ b/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dialog.cpp
@@ -61,7 +61,3 @@ void MOUSEControls::doCancel() {
     this->close();
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog( )
-{
-    return new MOUSEControls;
-}
diff --git a/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dll.cpp b/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dll.cpp
deleted file mode 100644
index 7bc2b85c..00000000
--- a/ftnoir_protocol_mouse/ftnoir_protocol_mouse_dll.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-*																				*
-* Homepage																		*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-#include "ftnoir_protocol_mouse.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_sc/ftnoir_protocol_sc.cpp b/ftnoir_protocol_sc/ftnoir_protocol_sc.cpp
index 7d4e09f9..ef695623 100644
--- a/ftnoir_protocol_sc/ftnoir_protocol_sc.cpp
+++ b/ftnoir_protocol_sc/ftnoir_protocol_sc.cpp
@@ -203,7 +203,4 @@ void CALLBACK FTNoIR_Protocol::processNextSimconnectEvent(SIMCONNECT_RECV* pData
     }
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, SCControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_sc/ftnoir_protocol_sc_dialog.cpp b/ftnoir_protocol_sc/ftnoir_protocol_sc_dialog.cpp
index 30f7d460..5aa6f5f9 100644
--- a/ftnoir_protocol_sc/ftnoir_protocol_sc_dialog.cpp
+++ b/ftnoir_protocol_sc/ftnoir_protocol_sc_dialog.cpp
@@ -47,7 +47,3 @@ void SCControls::doCancel() {
     close();
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog( )
-{
-    return new SCControls;
-}
diff --git a/ftnoir_protocol_sc/ftnoir_protocol_sc_dll.cpp b/ftnoir_protocol_sc/ftnoir_protocol_sc_dll.cpp
deleted file mode 100644
index 937ffe0c..00000000
--- a/ftnoir_protocol_sc/ftnoir_protocol_sc_dll.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-*																				*
-* Homepage																		*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-#include "ftnoir_protocol_sc.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy.cpp b/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy.cpp
index 63f75685..24148c63 100644
--- a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy.cpp
+++ b/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy.cpp
@@ -30,7 +30,4 @@ void FTNoIR_Protocol::pose( const double *headpose ) {
     VJoy_UpdateJoyState(0, state);
 }
 
-extern "C" OPENTRACK_EXPORT IProtocol* GetConstructor()
-{
-    return new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, VJoyControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dialog.cpp b/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dialog.cpp
index 8da3ccfd..08c65558 100644
--- a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dialog.cpp
+++ b/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dialog.cpp
@@ -20,7 +20,3 @@ void VJoyControls::doCancel() {
 void VJoyControls::save() {
 }
 
-extern "C" OPENTRACK_EXPORT IProtocolDialog* GetDialog( )
-{
-    return new VJoyControls;
-}
diff --git a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dll.cpp b/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dll.cpp
deleted file mode 100644
index fc30921d..00000000
--- a/ftnoir_protocol_vjoy/ftnoir_protocol_vjoy_dll.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "ftnoir_protocol_vjoy.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_protocol_wine/ftnoir_protocol_wine.cpp b/ftnoir_protocol_wine/ftnoir_protocol_wine.cpp
index 5f80944a..99ad30a2 100644
--- a/ftnoir_protocol_wine/ftnoir_protocol_wine.cpp
+++ b/ftnoir_protocol_wine/ftnoir_protocol_wine.cpp
@@ -56,7 +56,4 @@ bool FTNoIR_Protocol::correct()
     return lck_shm.success();
 }
 
-extern "C" OPENTRACK_EXPORT void* GetConstructor()
-{
-    return (IProtocol*) new FTNoIR_Protocol;
-}
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, FTControls, FTNoIR_ProtocolDll)
diff --git a/ftnoir_protocol_wine/ftnoir_protocol_wine_dll.cpp b/ftnoir_protocol_wine/ftnoir_protocol_wine_dll.cpp
deleted file mode 100644
index 92faaa94..00000000
--- a/ftnoir_protocol_wine/ftnoir_protocol_wine_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "ftnoir_protocol_wine.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_ProtocolDll;
-}
diff --git a/ftnoir_tracker_aruco/ftnoir_tracker_aruco.cpp b/ftnoir_tracker_aruco/ftnoir_tracker_aruco.cpp
index 6d87503f..f7e283f3 100644
--- a/ftnoir_tracker_aruco/ftnoir_tracker_aruco.cpp
+++ b/ftnoir_tracker_aruco/ftnoir_tracker_aruco.cpp
@@ -372,32 +372,6 @@ void Tracker::data(double *data)
     data[TZ] = pose[TZ] * .1;
 }
 
-class TrackerDll : public Metadata
-{
-    QString name() { return QString("aruco -- paper marker tracker"); }
-    QIcon icon() { return QIcon(":/images/aruco.png"); }
-};
-
-//-----------------------------------------------------------------------------
-//#pragma comment(linker, "/export:GetTrackerDll=_GetTrackerDll@0")
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new TrackerDll;
-}
-
-//#pragma comment(linker, "/export:GetTracker=_GetTracker@0")
-
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new Tracker;
-}
-
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerControls;
-}
-
 TrackerControls::TrackerControls()
 {
     tracker = nullptr;
@@ -472,3 +446,5 @@ void TrackerControls::camera_settings()
 {
     open_camera_settings(tracker ? &tracker->camera : nullptr, s.camera_name, tracker ? &tracker->camera_mtx : nullptr);
 }
+
+OPENTRACK_DECLARE_TRACKER(Tracker, TrackerControls, TrackerDll)
diff --git a/ftnoir_tracker_aruco/ftnoir_tracker_aruco.h b/ftnoir_tracker_aruco/ftnoir_tracker_aruco.h
index 297fecdb..ae574338 100644
--- a/ftnoir_tracker_aruco/ftnoir_tracker_aruco.h
+++ b/ftnoir_tracker_aruco/ftnoir_tracker_aruco.h
@@ -90,3 +90,9 @@ private slots:
     void update_tracker_calibration();
     void camera_settings();
 };
+
+class TrackerDll : public Metadata
+{
+    QString name() { return QString("aruco -- paper marker tracker"); }
+    QIcon icon() { return QIcon(":/images/aruco.png"); }
+};
diff --git a/ftnoir_tracker_aruco/ftnoir_tracker_aruco_dll.h b/ftnoir_tracker_aruco/ftnoir_tracker_aruco_dll.h
deleted file mode 100644
index ac393bfb..00000000
--- a/ftnoir_tracker_aruco/ftnoir_tracker_aruco_dll.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Copyright (c) 2013 Stanisław Halik <sthalik@misaki.pl>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#include "opentrack/plugin-api.hpp"
-
-//-----------------------------------------------------------------------------
-class TrackerDll : public Metadata
-{
-    // ITrackerDll interface
-    void getFullName(QString *strToBeFilled);
-    void getShortName(QString *strToBeFilled);
-    void getDescription(QString *strToBeFilled);
-    void getIcon(QIcon *icon);
-};
diff --git a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp.cpp b/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp.cpp
index 540ef616..1525e3c4 100644
--- a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp.cpp
+++ b/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp.cpp
@@ -115,7 +115,4 @@ void TrackerImpl::data(double *data)
     data[Roll] = pose[Roll];
 }
 
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new TrackerImpl;
-}
+OPENTRACK_DECLARE_TRACKER(TrackerImpl, TrackerDialog, TrackerMeta)
diff --git a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dialog.cpp b/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dialog.cpp
index 1f17355f..55427d35 100644
--- a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dialog.cpp
+++ b/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dialog.cpp
@@ -28,7 +28,3 @@ void TrackerDialog::doCancel() {
     this->close();
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog()
-{
-    return new TrackerDialog;
-}
diff --git a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dll.cpp b/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dll.cpp
deleted file mode 100644
index 5b08f040..00000000
--- a/ftnoir_tracker_freepie-udp/ftnoir_tracker_freepie-udp_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "ftnoir_tracker_freepie-udp.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new TrackerMeta;
-}
diff --git a/ftnoir_tracker_hatire/ftnoir_tracker_hat.cpp b/ftnoir_tracker_hatire/ftnoir_tracker_hat.cpp
index 5a4e9c74..72b7d3ed 100644
--- a/ftnoir_tracker_hatire/ftnoir_tracker_hat.cpp
+++ b/ftnoir_tracker_hatire/ftnoir_tracker_hat.cpp
@@ -603,11 +603,13 @@ void FTNoIR_Tracker::Log(QString message)
 //   _GetTracker@0  - Common name decoration for __stdcall functions in C language.
 ////////////////////////////////////////////////////////////////////////////////
 #ifdef OPENTRACK_API
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
+#include "ftnoir_tracker_hat_dialog.h"
+OPENTRACK_DECLARE_TRACKER(FTNoIR_Tracker, TrackerControls, TrackerDll)
 #else
 #pragma comment(linker, "/export:GetTracker=_GetTracker@0")
 FTNOIR_TRACKER_BASE_EXPORT ITrackerPtr __stdcall GetTracker()
-#endif
 {
-	return new FTNoIR_Tracker;
+    return new FTNoIR_Tracker;
 }
+#endif
+
diff --git a/ftnoir_tracker_hatire/ftnoir_tracker_hat.h b/ftnoir_tracker_hatire/ftnoir_tracker_hat.h
index 9471ebfb..e3c5a26b 100644
--- a/ftnoir_tracker_hatire/ftnoir_tracker_hat.h
+++ b/ftnoir_tracker_hatire/ftnoir_tracker_hat.h
@@ -123,36 +123,35 @@ private:
 //*******************************************************************************************************
 // FaceTrackNoIR Tracker DLL. Functions used to get general info on the Tracker
 //*******************************************************************************************************
-class TrackerDll :
 #if defined(OPENTRACK_API)
-public Metadata
+class TrackerDll : public Metadata
+{
+    QString name() { return QString("Hatire Arduino"); }
+    QIcon icon() { return QIcon(":/images/hatire.png"); }
+};
 #else
+class TrackerDll :
+public Metadata
 public ITrackerDll
-#endif
 {
 public:
     TrackerDll();
     ~TrackerDll();
 
-#ifndef OPENTRACK_API
     void Initialize();
-#endif
 
-#ifdef OPENTRACK_API
     QString name();
     QIcon icon();
-#else
     void getFullName(QString *strToBeFilled);
     void getShortName(QString *strToBeFilled);
     void getDescription(QString *strToBeFilled);
     void getIcon(QIcon *icon);
-#endif
 
 private:
     QString trackerFullName;                                                                    // Trackers' name and description
     QString trackerShortName;
     QString trackerDescription;
 };
-
+#endif
 
 #endif // FTNOIR_TRACKER_HAT_H
diff --git a/ftnoir_tracker_hatire/ftnoir_tracker_hat_dialog.cpp b/ftnoir_tracker_hatire/ftnoir_tracker_hat_dialog.cpp
index b22e3b15..901f0ec9 100644
--- a/ftnoir_tracker_hatire/ftnoir_tracker_hat_dialog.cpp
+++ b/ftnoir_tracker_hatire/ftnoir_tracker_hat_dialog.cpp
@@ -418,12 +418,11 @@ void TrackerControls::unRegisterTracker()
 //                          Win32 API function.
 //   _GetTrackerDialog@0  - Common name decoration for __stdcall functions in C language.
 #ifdef OPENTRACK_API
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
 #else
 #pragma comment(linker, "/export:GetTrackerDialog=_GetTrackerDialog@0")
 FTNOIR_TRACKER_BASE_EXPORT ITrackerDialogPtr __stdcall GetTrackerDialog( )
-#endif
 {
     return new TrackerControls;
 }
+#endif
 
diff --git a/ftnoir_tracker_hatire/ftnoir_tracker_hat_dll.cpp b/ftnoir_tracker_hatire/ftnoir_tracker_hat_dll.cpp
deleted file mode 100644
index 66fead4f..00000000
--- a/ftnoir_tracker_hatire/ftnoir_tracker_hat_dll.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-/********************************************************************************
-* FaceTrackNoIR		This program is a private project of some enthusiastic		*
-*					gamers from Holland, who don't like to pay much for			*
-*					head-tracking.												*
-*																				*
-* Copyright (C) 2012	Wim Vriend (Developing)									*
-*						Ron Hendriks (Researching and Testing)					*
-* Homepage:			http://facetracknoir.sourceforge.net/home/default.htm		*
-*																				*
-* Copyright (C) 2012	FuraX49 (HAT Tracker plugins)	    	     			*
-* Homepage:			http://hatire.sourceforge.net								*
-*																				*
-* This program is free software; you can redistribute it and/or modify it		*
-* under the terms of the GNU General Public License as published by the			*
-* Free Software Foundation; either version 3 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 General Public License along		*
-* with this program; if not, see <http://www.gnu.org/licenses/>.				*
-*																				*
-********************************************************************************/
-
-#include "ftnoir_tracker_hat.h"
-#include <QIcon>
-#include <QDebug>
-
-TrackerDll::TrackerDll() {
-	//populate the description strings
-    trackerFullName = "Hatire Arduino";
-	trackerShortName = "HAT";
-	trackerDescription = "FaceTrackNoIR HAT";
-}
-
-TrackerDll::~TrackerDll()
-{
-
-}
-
-#ifndef OPENTRACK_API
-void TrackerDll::Initialize()
-{
-	return;
-}
-#endif
-
-#ifndef OPENTRACK_API
-void TrackerDll::getFullName(QString *strToBeFilled)
-{
-	*strToBeFilled = trackerFullName;
-}
-
-void TrackerDll::getShortName(QString *strToBeFilled)
-{
-	*strToBeFilled = trackerShortName;
-}
-
-void TrackerDll::getDescription(QString *strToBeFilled)
-{
-	*strToBeFilled = trackerDescription;
-}
-
-void TrackerDll::getIcon(QIcon *icon)
-{
-    *icon = QIcon(":/images/hat.png");
-}
-#else
-
-QString TrackerDll::name()
-{
-    return trackerFullName;
-}
-
-QIcon TrackerDll::icon()
-{
-    return QIcon(":/images/hat.png");
-}
-
-#endif
-
-////////////////////////////////////////////////////////////////////////////////
-// Factory function that creates instances if the Tracker object.
-
-// Export both decorated and undecorated names.
-//   GetTrackerDll     - Undecorated name, which can be easily used with GetProcAddress
-//						Win32 API function.
-//   _GetTrackerDll@0  - Common name decoration for __stdcall functions in C language.
-
-#ifdef OPENTRACK_API
-#   include "opentrack/plugin-support.hpp"
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-#else
-#   pragma comment(linker, "/export:GetTrackerDll=_GetTrackerDll@0")
-FTNOIR_TRACKER_BASE_EXPORT ITrackerDllPtr __stdcall GetTrackerDll()
-#endif
-{
-	return new TrackerDll;
-}
diff --git a/ftnoir_tracker_ht/ftnoir_tracker_ht.cpp b/ftnoir_tracker_ht/ftnoir_tracker_ht.cpp
index 577ae40d..86992911 100644
--- a/ftnoir_tracker_ht/ftnoir_tracker_ht.cpp
+++ b/ftnoir_tracker_ht/ftnoir_tracker_ht.cpp
@@ -1,7 +1,6 @@
 #include "stdafx.h"
 #include "headtracker-ftnoir.h"
 #include "ftnoir_tracker_ht.h"
-#include "ftnoir_tracker_ht_dll.h"
 #include "ui_ht-trackercontrols.h"
 #include "opentrack/plugin-api.hpp"
 #include <cmath>
@@ -182,21 +181,6 @@ void Tracker::data(double* data)
     }
 }
 
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new TrackerDll;
-}
-
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new Tracker;
-}
-
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerControls;
-}
-
 TrackerControls::TrackerControls() : tracker(nullptr)
 {
 	ui.setupUi(this);
@@ -235,3 +219,5 @@ void TrackerControls::camera_settings()
     else
         open_camera_settings(nullptr, s.camera_name, nullptr);
 }
+
+OPENTRACK_DECLARE_TRACKER(Tracker, TrackerControls, TrackerDll)
diff --git a/ftnoir_tracker_ht/ftnoir_tracker_ht.h b/ftnoir_tracker_ht/ftnoir_tracker_ht.h
index b2fcb147..32fb6949 100644
--- a/ftnoir_tracker_ht/ftnoir_tracker_ht.h
+++ b/ftnoir_tracker_ht/ftnoir_tracker_ht.h
@@ -81,3 +81,9 @@ private slots:
     void doCancel();
     void camera_settings();
 };
+
+class TrackerDll : public Metadata
+{
+    QString name() { return QString("ht -- face tracker"); }
+    QIcon icon() { return QIcon(":/images/ht.png"); }
+};
diff --git a/ftnoir_tracker_ht/ftnoir_tracker_ht_dll.h b/ftnoir_tracker_ht/ftnoir_tracker_ht_dll.h
deleted file mode 100644
index 853d3181..00000000
--- a/ftnoir_tracker_ht/ftnoir_tracker_ht_dll.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "opentrack/plugin-api.hpp"
-
-class TrackerDll : public Metadata
-{
-    QString name() { return QString("ht -- face tracker"); }
-    QIcon icon() { return QIcon(":/images/ht.png"); }
-};
diff --git a/ftnoir_tracker_hydra/ftnoir_tracker_hydra.cpp b/ftnoir_tracker_hydra/ftnoir_tracker_hydra.cpp
index 826cecaa..8d0e6832 100644
--- a/ftnoir_tracker_hydra/ftnoir_tracker_hydra.cpp
+++ b/ftnoir_tracker_hydra/ftnoir_tracker_hydra.cpp
@@ -43,7 +43,4 @@ void Hydra_Tracker::data(double *data)
     data[Roll] = ypr[2] * r2d;
 }
 
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new Hydra_Tracker;
-}
+OPENTRACK_DECLARE_TRACKER(Hydra_Tracker, TrackerControls, FTNoIR_TrackerDll)
diff --git a/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dialog.cpp b/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dialog.cpp
index 83b48a8e..2c23ee46 100644
--- a/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dialog.cpp
+++ b/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dialog.cpp
@@ -20,7 +20,3 @@ void TrackerControls::doCancel() {
     close();
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerControls;
-}
diff --git a/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dll.cpp b/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dll.cpp
deleted file mode 100644
index 1faa1578..00000000
--- a/ftnoir_tracker_hydra/ftnoir_tracker_hydra_dll.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-/* Copyright: "i couldn't care less what anyone does with the 5 lines of code i wrote" - mm0zct */
-#include "ftnoir_tracker_hydra.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_TrackerDll;
-}
diff --git a/ftnoir_tracker_joystick/ftnoir_tracker_joystick.cpp b/ftnoir_tracker_joystick/ftnoir_tracker_joystick.cpp
index 264166fe..9fe382c3 100644
--- a/ftnoir_tracker_joystick/ftnoir_tracker_joystick.cpp
+++ b/ftnoir_tracker_joystick/ftnoir_tracker_joystick.cpp
@@ -217,7 +217,4 @@ void FTNoIR_Tracker::data(double *data)
     }
 }
 
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new FTNoIR_Tracker;
-}
+OPENTRACK_DECLARE_TRACKER(FTNoIR_Tracker, TrackerControls, FTNoIR_TrackerDll)
diff --git a/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dialog.cpp b/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dialog.cpp
index b201f3f8..7200003c 100644
--- a/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dialog.cpp
+++ b/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dialog.cpp
@@ -60,7 +60,4 @@ void TrackerControls::doCancel() {
     this->close();
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerControls;
-}
+
diff --git a/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dll.cpp b/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dll.cpp
deleted file mode 100644
index 0dca6c9b..00000000
--- a/ftnoir_tracker_joystick/ftnoir_tracker_joystick_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "ftnoir_tracker_joystick.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-    return new FTNoIR_TrackerDll;
-}
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
index 5b9ec8b6..85ce0ad2 100644
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
+++ b/ftnoir_tracker_pt/ftnoir_tracker_pt.cpp
@@ -214,11 +214,12 @@ void Tracker_PT::data(THeadPoseData *data)
 
 //-----------------------------------------------------------------------------
 #ifdef OPENTRACK_API
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
+#include "ftnoir_tracker_pt_dialog.h"
+OPENTRACK_DECLARE_TRACKER(Tracker_PT, TrackerDialog_PT, TrackerDll)
 #else
 #pragma comment(linker, "/export:GetTracker=_GetTracker@0")
 OPENTRACK_EXPORT ITrackerPtr __stdcall GetTracker()
-#endif
 {
-	return new Tracker_PT;
+    return new Tracker_PT;
 }
+#endif
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt.h b/ftnoir_tracker_pt/ftnoir_tracker_pt.h
index d0764933..21da9a2c 100644
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt.h
+++ b/ftnoir_tracker_pt/ftnoir_tracker_pt.h
@@ -83,6 +83,10 @@ private:
     static constexpr double deg2rad = 3.14159265/180.0;
 };
 
-#undef VideoWidget
+class TrackerDll : public Metadata
+{
+    QString name() { return QString("PointTracker 1.1"); }
+    QIcon icon() { return QIcon(":/Resources/Logo_IR.png"); }
+};
 
 #endif // FTNOIR_TRACKER_PT_H
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt_dialog.cpp b/ftnoir_tracker_pt/ftnoir_tracker_pt_dialog.cpp
index 5b17df5b..70511a3f 100644
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt_dialog.cpp
+++ b/ftnoir_tracker_pt/ftnoir_tracker_pt_dialog.cpp
@@ -190,7 +190,3 @@ void TrackerDialog_PT::unregister_tracker()
     //ui.center_button->setEnabled(false);
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerDialog_PT;
-}
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.cpp b/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.cpp
deleted file mode 100644
index 1aaa1bf9..00000000
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright (c) 2012 Patrick Ruoff
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#include "ftnoir_tracker_pt_dll.h"
-#include <QIcon>
-
-#ifdef OPENTRACK_API
-#   include "opentrack/plugin-api.hpp"
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-#else
-#   pragma comment(linker, "/export:GetTrackerDll=_GetTrackerDll@0")
-OPENTRACK_EXPORT ITrackerDllPtr __stdcall GetTrackerDll()
-#endif
-{
-	return new TrackerDll;
-}
diff --git a/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.h b/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.h
deleted file mode 100644
index 9579d46c..00000000
--- a/ftnoir_tracker_pt/ftnoir_tracker_pt_dll.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright (c) 2012 Patrick Ruoff
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#if defined(OPENTRACK_API)
-#   include "opentrack/plugin-api.hpp"
-#else
-#   include "../ftnoir_tracker_base/ftnoir_tracker_base.h"
-#endif
-
-//-----------------------------------------------------------------------------
-class TrackerDll :
-#if defined(OPENTRACK_API)
-        public Metadata
-#else
-        public ITrackerDll
-#endif
-{
-    QString name() { return QString("PointTracker 1.1"); }
-    QIcon icon() { return QIcon(":/Resources/Logo_IR.png"); }
-};
diff --git a/ftnoir_tracker_rift/ftnoir_tracker_rift.cpp b/ftnoir_tracker_rift/ftnoir_tracker_rift.cpp
index 0328428f..74208272 100644
--- a/ftnoir_tracker_rift/ftnoir_tracker_rift.cpp
+++ b/ftnoir_tracker_rift/ftnoir_tracker_rift.cpp
@@ -68,7 +68,4 @@ void Rift_Tracker::data(double *data)
     }
 }
 
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new Rift_Tracker;
-}
+OPENTRACK_DECLARE_TRACKER(Rift_Tracker, TrackerControls, FTNoIR_TrackerDll)
diff --git a/ftnoir_tracker_rift/ftnoir_tracker_rift_dialog.cpp b/ftnoir_tracker_rift/ftnoir_tracker_rift_dialog.cpp
index 2439890b..6c8e9cd7 100644
--- a/ftnoir_tracker_rift/ftnoir_tracker_rift_dialog.cpp
+++ b/ftnoir_tracker_rift/ftnoir_tracker_rift_dialog.cpp
@@ -24,7 +24,3 @@ void TrackerControls::doCancel() {
     close();
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog()
-{
-    return new TrackerControls;
-}
diff --git a/ftnoir_tracker_rift/ftnoir_tracker_rift_dll.cpp b/ftnoir_tracker_rift/ftnoir_tracker_rift_dll.cpp
deleted file mode 100644
index 2809ef29..00000000
--- a/ftnoir_tracker_rift/ftnoir_tracker_rift_dll.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-/* Copyright: "i couldn't care less what anyone does with the 5 lines of code i wrote" - mm0zct */
-#include "ftnoir_tracker_rift.h"
-#include <QDebug>
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_TrackerDll;
-}
diff --git a/ftnoir_tracker_udp/ftnoir_tracker_udp.cpp b/ftnoir_tracker_udp/ftnoir_tracker_udp.cpp
index ab8c8c86..b60e7ccc 100644
--- a/ftnoir_tracker_udp/ftnoir_tracker_udp.cpp
+++ b/ftnoir_tracker_udp/ftnoir_tracker_udp.cpp
@@ -54,7 +54,5 @@ void FTNoIR_Tracker::data(double *data)
         data[Yaw + i] += values[indices[i]];
 }
 
-extern "C" OPENTRACK_EXPORT ITracker* GetConstructor()
-{
-    return new FTNoIR_Tracker;
-}
+
+OPENTRACK_DECLARE_TRACKER(FTNoIR_Tracker, TrackerControls, FTNoIR_TrackerDll)
diff --git a/ftnoir_tracker_udp/ftnoir_tracker_udp.h b/ftnoir_tracker_udp/ftnoir_tracker_udp.h
index 95a3fb4f..8dca3833 100644
--- a/ftnoir_tracker_udp/ftnoir_tracker_udp.h
+++ b/ftnoir_tracker_udp/ftnoir_tracker_udp.h
@@ -57,3 +57,4 @@ public:
     QString name() { return QString("UDP sender"); }
     QIcon icon() { return QIcon(":/images/facetracknoir.png"); }
 };
+
diff --git a/ftnoir_tracker_udp/ftnoir_tracker_udp_dialog.cpp b/ftnoir_tracker_udp/ftnoir_tracker_udp_dialog.cpp
index bab88db0..5e7d5437 100644
--- a/ftnoir_tracker_udp/ftnoir_tracker_udp_dialog.cpp
+++ b/ftnoir_tracker_udp/ftnoir_tracker_udp_dialog.cpp
@@ -24,7 +24,3 @@ void TrackerControls::doCancel() {
     this->close();
 }
 
-extern "C" OPENTRACK_EXPORT ITrackerDialog* GetDialog( )
-{
-    return new TrackerControls;
-}
diff --git a/ftnoir_tracker_udp/ftnoir_tracker_udp_dll.cpp b/ftnoir_tracker_udp/ftnoir_tracker_udp_dll.cpp
deleted file mode 100644
index e2b10455..00000000
--- a/ftnoir_tracker_udp/ftnoir_tracker_udp_dll.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "ftnoir_tracker_udp.h"
-#include "opentrack/plugin-api.hpp"
-
-extern "C" OPENTRACK_EXPORT Metadata* GetMetadata()
-{
-	return new FTNoIR_TrackerDll;
-}