ClipWorkflow: Proceed with cleanup once the media player has been stopped

This aims toward a more event-based approch, to be continued in the next
commits

src/Workflow/ClipWorkflow.cpp

@@ -82,6 +82,7 @@ ClipWorkflow::initialize()
     connect( m_eventWatcher, SIGNAL( playing() ), this, SLOT( loadingComplete() ), Qt::QueuedConnection );
     connect( m_eventWatcher, SIGNAL( endReached() ), this, SLOT( clipEndReached() ), Qt::DirectConnection );
     connect( m_eventWatcher, SIGNAL( errorEncountered() ), this, SLOT( errorEncountered() ) );
+    connect( m_eventWatcher, &RendererEventWatcher::stopped, this, &ClipWorkflow::mediaPlayerStopped );
     m_renderer->start();
 }
 
@@ -130,14 +131,6 @@ ClipWorkflow::stop()
     if ( m_renderer && m_state != Stopped )
     {
         m_renderer->stop();
-        m_eventWatcher->disconnect();
-        if ( m_state != Error )
-            m_state = Stopped;
-        flushComputedBuffers();
-        m_isRendering = false;
-
-        m_initWaitCond->wakeAll();
-        m_renderWaitCond->wakeAll();
     }
 }
 
@@ -228,6 +221,19 @@ ClipWorkflow::mediaPlayerUnpaused()
     m_pauseDuration = mdate() - m_beginPausePts;
 }
 
+void
+ClipWorkflow::mediaPlayerStopped()
+{
+    m_eventWatcher->disconnect();
+    if ( m_state != Error )
+        m_state = Stopped;
+    flushComputedBuffers();
+    m_isRendering = false;
+
+    m_initWaitCond->wakeAll();
+    m_renderWaitCond->wakeAll();
+}
+
 void
 ClipWorkflow::resyncClipWorkflow()
 {

src/Workflow/ClipWorkflow.h

@@ -243,6 +243,7 @@ class   ClipWorkflow : public EffectUser
         void                    clipEndReached();
         void                    mediaPlayerPaused();
         void                    mediaPlayerUnpaused();
+        void                    mediaPlayerStopped();
         void                    resyncClipWorkflow();
 
     protected slots: