Solving problems when launching a render after previewing the project

src/Gui/MainWindow.cpp

@@ -378,7 +378,7 @@ void    MainWindow::on_actionRender_triggered()
         return ;
     else
     {
-        m_renderer->stop();
+        m_renderer->killRenderer();
         if ( m_fileRenderer )
             delete m_fileRenderer;
         m_fileRenderer = new WorkflowFileRenderer( outputFileName );

src/Project/ProjectManager.cpp

@@ -29,10 +29,6 @@
 #include <errno.h>
 #include <signal.h>
 
-//#ifndef Q_WS_WIN
-// #include <wait.h>
-//#endif
-
 #include "ProjectManager.h"
 #include "Library.h"
 #include "MainWorkflow.h"

src/Renderer/WorkflowFileRenderer.cpp

@@ -80,7 +80,7 @@ void        WorkflowFileRenderer::run()
 
 void    WorkflowFileRenderer::stop()
 {
-    WorkflowRenderer::stop();
+    WorkflowRenderer::killRenderer();
 }
 
 void    WorkflowFileRenderer::cancelButtonClicked()

src/Renderer/WorkflowRenderer.h

@@ -227,6 +227,14 @@ class   WorkflowRenderer : public GenericRenderer
                                         qint64 newPos, quint32 trackId,
                                         MainWorkflow::TrackType trackType,
                                         bool undoRedoAction = false );
+        /**
+         *  \brief          Completely kill the renderer.
+         *
+         *  This will stop both mainworkflow and renderer thread.
+         *  This should only be used when destroying the renderer.
+         *  \sa             stop();
+         */
+        void                killRenderer();
 
     private:
         /**
@@ -247,14 +255,6 @@ class   WorkflowRenderer : public GenericRenderer
          *  \brief          check for workflow related actions that has been stacked.
          */
         void                checkActions();
-        /**
-         *  \brief          Completely kill the renderer.
-         *
-         *  This will stop both mainworkflow and renderer thread.
-         *  This should only be used when destroying the renderer.
-         *  \sa             stop();
-         */
-        void                killRenderer();
 
     protected:
         /**

src/Workflow/MainWorkflow.cpp

@@ -220,6 +220,7 @@ MainWorkflow::stop()
         m_tracks[i]->stop();
         m_currentFrame[i] = 0;
     }
+    unpause();
     emit frameChanged( 0, Renderer );
 }
 

src/Workflow/TrackWorkflow.cpp

@@ -243,7 +243,8 @@ void                TrackWorkflow::releasePreviousRender()
     }
 }
 
-void*               TrackWorkflow::getOutput( qint64 currentFrame, qint64 subFrame )
+void*
+TrackWorkflow::getOutput( qint64 currentFrame, qint64 subFrame )
 {
     releasePreviousRender();
     QReadLocker     lock( m_clipsLock );
@@ -256,7 +257,6 @@ void*               TrackWorkflow::getOutput( qint64 currentFrame, qint64 subFra
 
     if ( m_lastFrame == -1 )
         m_lastFrame = currentFrame;
-
     if ( checkEnd( currentFrame ) == true )
     {
         emit trackEndReached( m_trackId );