Solved crash when exiting.

We now have a clean shutdown process, or at least it doesn't crash :o)

src/Workflow/TrackWorkflow.cpp

@@ -33,6 +33,15 @@ TrackWorkflow::TrackWorkflow( unsigned int trackId ) :
 
 TrackWorkflow::~TrackWorkflow()
 {
+    QMap<qint64, ClipWorkflow*>::iterator       it = m_clips.begin();
+    QMap<qint64, ClipWorkflow*>::iterator       end = m_clips.end();
+
+    while ( it != end )
+    {
+        stopClipWorkflow( it.value() );
+        delete it.value();
+        it = m_clips.erase( it );
+    }
     delete m_mediaPlayer;
 }
 

src/gui/ClipPreviewWidget.cpp

@@ -68,6 +68,11 @@ void        ClipPreviewWidget::stop()
         m_isRendering = false;
         m_mediaPlayer->stop();
         m_paused = false;
+        disconnect( m_mediaPlayer,     SIGNAL( stopped() ),            this,   SLOT( __videoStopped() ) );
+        disconnect( m_mediaPlayer,     SIGNAL( paused() ),             this,   SLOT( __videoPaused() ) );
+        disconnect( m_mediaPlayer,     SIGNAL( playing() ),            this,   SLOT( __videoPlaying() ) );
+        disconnect( m_mediaPlayer,     SIGNAL( positionChanged() ),    this,   SLOT( __positionChanged() ) );
+        disconnect( m_mediaPlayer,     SIGNAL( endReached() ),         this,   SLOT( __endReached() ) );
     }
 }
 

src/gui/RenderPreviewWidget.cpp

@@ -62,6 +62,14 @@ RenderPreviewWidget::RenderPreviewWidget( MainWorkflow* mainWorkflow, QWidget* r
 
 RenderPreviewWidget::~RenderPreviewWidget()
 {
+    m_mediaPlayer->stop();
+
+    disconnect( m_mediaPlayer, SIGNAL( playing() ),    this,   SLOT( __videoPlaying() ) );
+    disconnect( m_mediaPlayer, SIGNAL( paused() ),     this,   SLOT( __videoPaused() ) );
+    disconnect( m_mediaPlayer, SIGNAL( stopped() ),    this,   SLOT( __videoStopped() ) );
+    disconnect( m_mainWorkflow, SIGNAL( mainWorkflowEndReached() ), this, SLOT( __endReached() ) );
+    disconnect( m_mainWorkflow, SIGNAL( positionChanged( float ) ), this, SLOT( __positionChanged( float ) ) );
+
     delete m_media;
 }
 
@@ -76,7 +84,7 @@ void    RenderPreviewWidget::unlock( void* datas )
 {
     RenderPreviewWidget* self = reinterpret_cast<RenderPreviewWidget*>( datas );
 
-    qDebug() << "RenderPreviewWidget::unlock() : Frame rendered";
+//    qDebug() << "RenderPreviewWidget::unlock() : Frame rendered";
     QWriteLocker    lock( self->m_framePlayedLock );
     self->m_framePlayed = true;
 }