diff --git a/app/VideoSubWindow.cpp b/app/VideoSubWindow.cpp
index f1c48d2..3a50280 100644
--- a/app/VideoSubWindow.cpp
+++ b/app/VideoSubWindow.cpp
@@ -26,6 +26,7 @@
 #include "ModulesHandle.h"
 #include "SubWindowHandle.h"
 #include "ConfigureFormatDialog.h"
+#include "QtConcurrent/qtconcurrentrun.h"
 
 namespace plaYUVer
 {
@@ -399,7 +400,7 @@ Void VideoSubWindow::setCurrFrame( PlaYUVerFrame* pcCurrFrame )
   m_cViewArea->setImage( m_pcCurrFrame );
 }
 
-Void VideoSubWindow::refreshFrame()
+Void VideoSubWindow::refreshFrameOperation()
 {
   Bool bSetFrame = false;
   if( m_pCurrStream )
@@ -422,6 +423,21 @@ Void VideoSubWindow::refreshFrame()
   }
 }
 
+Void VideoSubWindow::refreshFrame( Bool bThreaded )
+{
+#ifndef QT_NO_CONCURRENT
+  m_cRefreshResult.waitForFinished();
+  if( bThreaded )
+  {
+    m_cRefreshResult = QtConcurrent::run( this, &VideoSubWindow::refreshFrameOperation );
+  }
+  else
+#endif
+  {
+    refreshFrameOperation();
+  }
+}
+
 Bool VideoSubWindow::save( QString filename )
 {
   Bool iRet = false;
@@ -454,14 +470,13 @@ Bool VideoSubWindow::play()
   return m_bIsPlaying;
 }
 
-#include "QtConcurrent/qtconcurrentrun.h"
-
 Bool VideoSubWindow::playEvent()
 {
   Bool bEndOfSeq = false;
   if( m_pCurrStream && m_bIsPlaying )
   {
 #ifndef QT_NO_CONCURRENT
+    m_cRefreshResult.waitForFinished();
     m_cReadResult.waitForFinished();
 #endif
     bEndOfSeq = m_pCurrStream->setNextFrame();
@@ -469,9 +484,9 @@ Bool VideoSubWindow::playEvent()
     {
       refreshFrame();
 #ifndef QT_NO_CONCURRENT
-      m_cReadResult = QtConcurrent::run(m_pCurrStream, &PlaYUVerStream::readFrame);
+      m_cReadResult = QtConcurrent::run( m_pCurrStream, &PlaYUVerStream::readFrameFillRGBBuffer );
 #else
-      m_pCurrStream->readFrame();
+      m_pCurrStream->readFrameFillRGBBuffer();
 #endif
     }
   }
@@ -527,7 +542,7 @@ Void VideoSubWindow::normalSize()
 
 Void VideoSubWindow::zoomToFit()
 {
-  // Scale to a smaller size that the real to a nicer look
+// Scale to a smaller size that the real to a nicer look
   scaleView( getScrollSize() );
 }
 
@@ -564,7 +579,7 @@ Void VideoSubWindow::scaleView( const QSize & size, QPoint center )
   QSize newSize = imgViewSize;
   newSize.scale( size, Qt::KeepAspectRatio );
 
-  // Calc the zoom factor
+// Calc the zoom factor
   Double wfactor = 1;
   Double hfactor = 1;
   Double factor;
@@ -649,8 +664,8 @@ QSize VideoSubWindow::sizeHint( const QSize & maxSize ) const
   else if( m_pCurrStream )
     isize = QSize( m_pCurrStream->getWidth() + 50, m_pCurrStream->getHeight() + 50 );
 
-  // If the VideoSubWindow needs more space that the avaiable, we'll give
-  // to the subwindow a reasonable size preserving the image aspect ratio.
+// If the VideoSubWindow needs more space that the avaiable, we'll give
+// to the subwindow a reasonable size preserving the image aspect ratio.
   if( !( isize.width() < maxSize.width() && isize.height() < maxSize.height() ) )
   {
     isize.scale( maxSize, Qt::KeepAspectRatio );
diff --git a/app/VideoSubWindow.h b/app/VideoSubWindow.h
index a6fe546..fd9c2e5 100644
--- a/app/VideoSubWindow.h
+++ b/app/VideoSubWindow.h
@@ -88,8 +88,12 @@ private:
    * Threads variables
    * QtConcurrent
    */
+  QFuture<Void> m_cRefreshResult;
   QFuture<Void> m_cReadResult;
 
+  Void refreshFrame( Bool bThreaded = false );
+  Void refreshFrameOperation();
+
   static Bool guessFormat( QString filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rFrameRate );
 
   /**
@@ -111,7 +115,7 @@ public:
 
   Bool loadFile( QString cFilename, Bool bForceDialog = false );
   Bool loadFile( PlaYUVerStreamInfo* streamInfo );
-  Void loadAll( );
+  Void loadAll();
   Void reloadFile();
   Bool save( QString filename );
 
@@ -128,7 +132,6 @@ public:
   Void seekAbsoluteEvent( UInt new_frame_num );
   Void seekRelativeEvent( Bool bIsFoward );
 
-  Void refreshFrame();
   Void setCurrFrame( PlaYUVerFrame* pcCurrFrame );
 
   PlaYUVerStreamInfo getStreamInfo()