Use a rounded value to compute the frames

src/Renderer/ClipRenderer.cpp

@@ -215,7 +215,7 @@ qint64      ClipRenderer::getCurrentFrame() const
 {
     if ( m_clipLoaded == false || m_isRendering == false || m_selectedMedia == NULL )
         return 0;
-    return m_mediaPlayer->getPosition() * ( m_end - m_begin ) - m_begin;
+    return qRound64( (qreal)m_mediaPlayer->getTime() / 1000 * (qreal)m_selectedMedia->getFps() );
 }
 
 float       ClipRenderer::getFps() const

src/Renderer/GenericRenderer.h

@@ -100,7 +100,7 @@ public:
      */
     qint64                          getLength() const
     {
-        return getLengthMs() / 1000 * getFps();
+        return qRound64( (qreal)getLengthMs() / 1000 * (qreal)getFps() );
     }
 
     /**