ThumbnailWorker: Take an absolute position of a clip

src/Gui/timeline/Clip.qml

@@ -189,10 +189,10 @@ Rectangle {
         if ( uuid === "videoUuid" || uuid === "audioUuid" )
             return;
 
-        if ( thumbnailProvider.hasImage( uuid, 0 ) )
-            updateThumbnail( 0 );
+        if ( thumbnailProvider.hasImage( uuid, begin ) )
+            updateThumbnail( begin );
         else
-            workflow.takeThumbnail( uuid, 0 );
+            workflow.takeThumbnail( uuid, begin );
     }
 
     Component.onDestruction: {

src/Gui/timeline/main.qml

@@ -650,7 +650,7 @@ Rectangle {
         target: thumbnailProvider
         onImageReady: {
             var clipItem = findClipItem( uuid );
-            clipItem.updateThumbnail( 0 );
+            clipItem.updateThumbnail( clipItem.begin );
         }
     }
 }

src/Workflow/MainWorkflow.cpp

@@ -304,8 +304,7 @@ MainWorkflow::takeThumbnail( const QString& uuid, quint32 pos )
 {
     auto clip = m_sequenceWorkflow->clip( uuid );
     auto worker = new ThumbnailWorker( uuid, clip->media()->fileInfo()->absoluteFilePath(),
-                                       clip->begin(), pos, clip->input()->width(),
-                                       clip->input()->height() );
+                                       pos, clip->input()->width(), clip->input()->height() );
     auto t = new QThread;
     worker->moveToThread( t );
     connect( t, &QThread::started, worker, &ThumbnailWorker::run );

src/Workflow/ThumbnailWorker.cpp

@@ -6,12 +6,10 @@
 #include "Backend/MLT/MLTInput.h"
 
 ThumbnailWorker::ThumbnailWorker( const QString& uuid, const QString& filePath,
-                                  qint64 begin, qint64 pos, quint32 width,
-                                  quint32 height, QObject* parent )
+                                  qint64 pos, quint32 width, quint32 height, QObject* parent )
     : QObject( parent )
     , m_uuid( uuid )
     , m_filePath( filePath )
-    , m_begin( begin )
     , m_pos( pos )
     , m_width( width )
     , m_height( height )
@@ -23,7 +21,6 @@ void
 ThumbnailWorker::run()
 {
     Backend::MLT::MLTInput input( qPrintable( m_filePath ) );
-    input.setBegin( m_begin );
     input.setPosition( m_pos );
     auto image = input.image( m_width, m_height );
     QImage qImg( image, m_width, m_height,

src/Workflow/ThumbnailWorker.h

@@ -10,8 +10,7 @@ class ThumbnailWorker : public QObject
     Q_OBJECT
 public:
     explicit ThumbnailWorker( const QString& uuid, const QString& filePath,
-                              qint64 begin, qint64 pos, quint32 width,
-                              quint32 height , QObject* parent = 0 );
+                              qint64 pos, quint32 width, quint32 height , QObject* parent = 0 );
 
 signals:
     void    imageReady( const QString& uuid, qint64 pos, const QPixmap& pixmap );
@@ -22,7 +21,6 @@ public slots:
 private:
     QString     m_uuid;
     QString     m_filePath;
-    qint64      m_begin;
     qint64      m_pos;
     quint32     m_width;
     quint32     m_height;