diff --git a/src/inputcontrol/inputcontrol.pri b/src/inputcontrol/inputcontrol.pri
index 8c1f481..dc99150 100644
--- a/src/inputcontrol/inputcontrol.pri
+++ b/src/inputcontrol/inputcontrol.pri
@@ -1,10 +1,12 @@
 HEADERS += \
     $$PWD/controlevent.h \
     $$PWD/controller.h \
-    $$PWD/inputconvert.h
+    $$PWD/inputconvert.h \
+    $$PWD/inputconvertbase.h
 
 SOURCES += \
     $$PWD/controlevent.cpp \
     $$PWD/controller.cpp \
-    $$PWD/inputconvert.cpp
+    $$PWD/inputconvert.cpp \
+    $$PWD/inputconvertbase.cpp
 
diff --git a/src/inputcontrol/inputconvert.cpp b/src/inputcontrol/inputconvert.cpp
index 7502d2e..f09342b 100644
--- a/src/inputcontrol/inputconvert.cpp
+++ b/src/inputcontrol/inputconvert.cpp
@@ -5,6 +5,11 @@ InputConvert::InputConvert()
 
 }
 
+InputConvert::~InputConvert()
+{
+
+}
+
 ControlEvent* InputConvert::mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize)
 {
     if (!from) {
diff --git a/src/inputcontrol/inputconvert.h b/src/inputcontrol/inputconvert.h
index 1094ad4..24c89e8 100644
--- a/src/inputcontrol/inputconvert.h
+++ b/src/inputcontrol/inputconvert.h
@@ -1,27 +1,22 @@
 #ifndef INPUTCONVERT_H
 #define INPUTCONVERT_H
 
-#include <QMouseEvent>
-#include <QWheelEvent>
-#include <QKeyEvent>
+#include "inputconvertbase.h"
 
-#include "controlevent.h"
-
-class InputConvert
+class InputConvert : public InputConvertBase
 {
 public:
     InputConvert();
+    virtual ~InputConvert();
 
-    // the frame size may be different from the real device size, so we need the size
-    // to which the absolute position apply, to scale it accordingly
-    static ControlEvent* mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize);
-    static ControlEvent* wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize);
-    static ControlEvent* keyEvent(const QKeyEvent* from);
+    ControlEvent* mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize);
+    ControlEvent* wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize);
+    ControlEvent* keyEvent(const QKeyEvent* from);
 
 private:
-    static AndroidMotioneventButtons convertMouseButtons(Qt::MouseButtons buttonState);
-    static AndroidKeycode convertKeyCode(int key, Qt::KeyboardModifiers modifiers);
-    static AndroidMetastate convertMetastate(Qt::KeyboardModifiers modifiers);
+    AndroidMotioneventButtons convertMouseButtons(Qt::MouseButtons buttonState);
+    AndroidKeycode convertKeyCode(int key, Qt::KeyboardModifiers modifiers);
+    AndroidMetastate convertMetastate(Qt::KeyboardModifiers modifiers);
 };
 
 #endif // INPUTCONVERT_H
diff --git a/src/inputcontrol/inputconvertbase.cpp b/src/inputcontrol/inputconvertbase.cpp
new file mode 100644
index 0000000..b067427
--- /dev/null
+++ b/src/inputcontrol/inputconvertbase.cpp
@@ -0,0 +1,12 @@
+#include "inputconvertbase.h"
+
+InputConvertBase::InputConvertBase()
+{
+
+}
+
+InputConvertBase::~InputConvertBase()
+{
+
+}
+
diff --git a/src/inputcontrol/inputconvertbase.h b/src/inputcontrol/inputconvertbase.h
new file mode 100644
index 0000000..39bd738
--- /dev/null
+++ b/src/inputcontrol/inputconvertbase.h
@@ -0,0 +1,23 @@
+#ifndef INPUTCONVERTBASE_H
+#define INPUTCONVERTBASE_H
+
+#include <QMouseEvent>
+#include <QWheelEvent>
+#include <QKeyEvent>
+
+#include "controlevent.h"
+
+class InputConvertBase
+{
+public:
+    InputConvertBase();
+    virtual ~InputConvertBase();
+
+    // the frame size may be different from the real device size, so we need the size
+    // to which the absolute position apply, to scale it accordingly
+    virtual ControlEvent* mouseEvent(const QMouseEvent* from, const QSize& frameSize, const QSize& showSize) = 0;
+    virtual ControlEvent* wheelEvent(const QWheelEvent* from, const QSize& frameSize, const QSize& showSize) = 0;
+    virtual ControlEvent* keyEvent(const QKeyEvent* from) = 0;
+};
+
+#endif // INPUTCONVERTBASE_H
diff --git a/src/videoform.cpp b/src/videoform.cpp
index c50dae5..53fd8a9 100644
--- a/src/videoform.cpp
+++ b/src/videoform.cpp
@@ -3,7 +3,6 @@
 
 #include "videoform.h"
 #include "ui_videoform.h"
-#include "inputconvert.h"
 
 VideoForm::VideoForm(QWidget *parent) :
     QWidget(parent),
@@ -99,7 +98,7 @@ void VideoForm::updateShowSize(const QSize &newSize)
 
 void VideoForm::mousePressEvent(QMouseEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::mouseEvent(event, ui->videoWidget->frameSize(), size());
+    ControlEvent* controlEvent = m_inputConvert.mouseEvent(event, ui->videoWidget->frameSize(), size());
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
@@ -107,7 +106,7 @@ void VideoForm::mousePressEvent(QMouseEvent *event)
 
 void VideoForm::mouseReleaseEvent(QMouseEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::mouseEvent(event, ui->videoWidget->frameSize(), size());
+    ControlEvent* controlEvent = m_inputConvert.mouseEvent(event, ui->videoWidget->frameSize(), size());
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
@@ -115,7 +114,7 @@ void VideoForm::mouseReleaseEvent(QMouseEvent *event)
 
 void VideoForm::mouseMoveEvent(QMouseEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::mouseEvent(event, ui->videoWidget->frameSize(), size());
+    ControlEvent* controlEvent = m_inputConvert.mouseEvent(event, ui->videoWidget->frameSize(), size());
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
@@ -123,7 +122,7 @@ void VideoForm::mouseMoveEvent(QMouseEvent *event)
 
 void VideoForm::wheelEvent(QWheelEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::wheelEvent(event, ui->videoWidget->frameSize(), size());
+    ControlEvent* controlEvent = m_inputConvert.wheelEvent(event, ui->videoWidget->frameSize(), size());
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
@@ -131,7 +130,7 @@ void VideoForm::wheelEvent(QWheelEvent *event)
 
 void VideoForm::keyPressEvent(QKeyEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::keyEvent(event);
+    ControlEvent* controlEvent = m_inputConvert.keyEvent(event);
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
@@ -139,7 +138,7 @@ void VideoForm::keyPressEvent(QKeyEvent *event)
 
 void VideoForm::keyReleaseEvent(QKeyEvent *event)
 {
-    ControlEvent* controlEvent = InputConvert::keyEvent(event);
+    ControlEvent* controlEvent = m_inputConvert.keyEvent(event);
     if (controlEvent) {
         m_controller.postControlEvent(controlEvent);
     }
diff --git a/src/videoform.h b/src/videoform.h
index 14f4937..ad436a2 100644
--- a/src/videoform.h
+++ b/src/videoform.h
@@ -7,6 +7,7 @@
 #include "decoder.h"
 #include "frames.h"
 #include "controller.h"
+#include "inputconvert.h"
 
 namespace Ui {
 class videoForm;
@@ -38,6 +39,7 @@ private:
     Decoder m_decoder;
     Frames m_frames;
     Controller m_controller;
+    InputConvert m_inputConvert;
 };
 
 #endif // VIDEOFORM_H