Fixed bug when using slider without anything loaded

Removed debug

src/Workflow/MainWorkflow.cpp

@@ -25,7 +25,7 @@
 
 #include "MainWorkflow.h"
 
-MainWorkflow::MainWorkflow()
+MainWorkflow::MainWorkflow() : m_renderStarted( false )
 {
     m_tracks = new TrackWorkflow*[NB_TRACKS];
     for (unsigned int i = 0; i < NB_TRACKS; ++i)
@@ -43,6 +43,7 @@ void    MainWorkflow::addClip( Clip* clip, unsigned int trackId, qint64 start )
 
 void    MainWorkflow::startRender()
 {
+    m_renderStarted = true;
     m_currentFrame = 0;
     emit frameChanged( 0 );
     m_length = m_tracks[0]->getLength();
@@ -60,8 +61,9 @@ unsigned char*    MainWorkflow::getOutput()
 
 void        MainWorkflow::setPosition( float pos )
 {
+    if ( m_renderStarted == false )
+        return ;
     qint64  frame = (float)m_length * pos;
-    qDebug() << "Setting current frame to " << frame << '(' << m_length << '*' << pos << ')';
     m_tracks[0]->setPosition( pos );
     m_currentFrame = frame;
     emit frameChanged( frame );

src/Workflow/MainWorkflow.h

@@ -43,17 +43,20 @@ class   MainWorkflow : public QObject
         unsigned char*          getOutput();
 
         /**
-            \brief              Set the workflow position
-
-            \param              pos: The position in vlc position
+         *  \brief              Set the workflow position
+         *  \param              pos: The position in vlc position
         */
         void                    setPosition( float pos );
 
         /**
-            \return             Returns the global length of the workflow
-                                in frames.
+         *  \return             Returns the global length of the workflow
+         *                      in frames.
         */
         qint64                  getLength() const;
+        /**
+         *  This boolean describe is a render has been started
+        */
+        bool                    m_renderStarted;
 
     private:
         TrackWorkflow**         m_tracks;

src/Workflow/TrackWorkflow.cpp

@@ -148,11 +148,13 @@ unsigned char*      TrackWorkflow::getOutput( qint64 currentFrame )
 
 void        TrackWorkflow::setPosition( float pos )
 {
-    qint64                                  frame = (float)m_length * pos;
-    QMap<qint64, ClipWorkflow*>::iterator   it = m_clips.begin();
-    const QMap<qint64, ClipWorkflow*>::iterator   end = m_clips.end();
-    QMap<qint64, ClipWorkflow*>::iterator   next = m_clips.end();
+    qint64                                      frame = (float)m_length * pos;
+    QMap<qint64, ClipWorkflow*>::iterator       it = m_clips.begin();
+    const QMap<qint64, ClipWorkflow*>::iterator end = m_clips.end();
+    QMap<qint64, ClipWorkflow*>::iterator       next = end;
 
+    if ( m_mediaPlayer->isPlaying() == false )
+        return ;
     QWriteLocker        lock( m_currentLock );
     if ( frame > m_length )
     {

src/Workflow/TrackWorkflow.h

@@ -85,7 +85,7 @@ class   TrackWorkflow : public QObject
         QWaitCondition*                         m_waitCondition;
         LibVLCpp::MediaPlayer*                  m_mediaPlayer;
         /**
-            \brief      The track length in frames.
+         *  \brief      The track length in frames.
         */
         qint64                                  m_length;
 

src/gui/RenderPreviewWidget.cpp

@@ -96,7 +96,6 @@ void        RenderPreviewWidget::togglePlayPause( bool /*forcePause*/ )
         startPreview( NULL );
     else
     {
-        qDebug() << m_mediaPlayer->isPlaying();
         if ( m_mediaPlayer->isPlaying() == false )
             m_mediaPlayer->play();
         else