]> git.sesse.net Git - kdenlive/blobdiff - src/customtrackview.cpp
Move undo commands to their own subdirectory
[kdenlive] / src / customtrackview.cpp
index 45aae076759d0f7a8b3d6da3724e4bb6179df912..35b11c21c9910934a8899d04f904da7d742f2ee8 100644 (file)
 #include "docclipbase.h"
 #include "clipitem.h"
 #include "definitions.h"
-#include "moveclipcommand.h"
-#include "movetransitioncommand.h"
-#include "resizeclipcommand.h"
-#include "editguidecommand.h"
-#include "addtimelineclipcommand.h"
-#include "addeffectcommand.h"
-#include "editeffectcommand.h"
-#include "moveeffectcommand.h"
-#include "addtransitioncommand.h"
-#include "edittransitioncommand.h"
-#include "editkeyframecommand.h"
-#include "changespeedcommand.h"
-#include "addmarkercommand.h"
-#include "razorclipcommand.h"
+#include "commands/moveclipcommand.h"
+#include "commands/movetransitioncommand.h"
+#include "commands/resizeclipcommand.h"
+#include "commands/editguidecommand.h"
+#include "commands/addtimelineclipcommand.h"
+#include "commands/addeffectcommand.h"
+#include "commands/editeffectcommand.h"
+#include "commands/moveeffectcommand.h"
+#include "commands/addtransitioncommand.h"
+#include "commands/edittransitioncommand.h"
+#include "commands/editkeyframecommand.h"
+#include "commands/changespeedcommand.h"
+#include "commands/addmarkercommand.h"
+#include "commands/razorclipcommand.h"
 #include "kdenlivesettings.h"
 #include "transition.h"
 #include "clipmanager.h"
 #include "ui_keyframedialog_ui.h"
 #include "clipdurationdialog.h"
 #include "abstractgroupitem.h"
-#include "insertspacecommand.h"
+#include "commands/insertspacecommand.h"
 #include "spacerdialog.h"
-#include "addtrackcommand.h"
-#include "changetrackcommand.h"
-#include "movegroupcommand.h"
+#include "commands/addtrackcommand.h"
+#include "commands/movegroupcommand.h"
 #include "ui_addtrack_ui.h"
 #include "initeffects.h"
-#include "locktrackcommand.h"
-#include "groupclipscommand.h"
-#include "splitaudiocommand.h"
-#include "changecliptypecommand.h"
+#include "commands/locktrackcommand.h"
+#include "commands/groupclipscommand.h"
+#include "commands/splitaudiocommand.h"
+#include "commands/changecliptypecommand.h"
 #include "trackdialog.h"
+#include "tracksconfigdialog.h"
+#include "commands/configtrackscommand.h"
+#include "commands/rebuildgroupcommand.h"
+#include "commands/razorgroupcommand.h"
+#include "profilesdialog.h"
 
 #include <KDebug>
 #include <KLocale>
 #include <KUrl>
 #include <KIcon>
 #include <KCursor>
-#include <KColorScheme>
 #include <KMessageBox>
 #include <KIO/NetAccess>
 
@@ -120,47 +123,49 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
         m_menuPosition(),
         m_blockRefresh(false),
         m_selectionGroup(NULL),
-        m_selectedTrack(0)
+        m_selectedTrack(0),
+        m_controlModifier(false)
 {
-    if (doc) m_commandStack = doc->commandStack();
-    else m_commandStack = NULL;
+    if (doc)
+        m_commandStack = doc->commandStack();
+    else
+        m_commandStack = NULL;
+    m_ct = 0;
     setMouseTracking(true);
     setAcceptDrops(true);
     setFrameShape(QFrame::NoFrame);
     setLineWidth(0);
     //setCacheMode(QGraphicsView::CacheBackground);
-    //setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+    setAutoFillBackground(false);
+    setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
+    setContentsMargins(0, 0, 0, 0);
+
+    m_activeTrackBrush = KStatefulBrush(KColorScheme::View, KColorScheme::ActiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
 
-    KdenliveSettings::setTrackheight(m_tracksHeight);
     m_animationTimer = new QTimeLine(800);
     m_animationTimer->setFrameRange(0, 5);
     m_animationTimer->setUpdateInterval(100);
     m_animationTimer->setLoopCount(0);
+
     m_tipColor = QColor(0, 192, 0, 200);
-    QColor border = QColor(255, 255, 255, 100);
-    m_tipPen.setColor(border);
+    m_tipPen.setColor(QColor(255, 255, 255, 100));
     m_tipPen.setWidth(3);
-    setContentsMargins(0, 0, 0, 0);
+
     const int maxHeight = m_tracksHeight * m_document->tracksCount();
     setSceneRect(0, 0, sceneRect().width(), maxHeight);
     verticalScrollBar()->setMaximum(maxHeight);
+    verticalScrollBar()->setTracking(true);
+    // repaint guides when using vertical scroll
+    connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(slotRefreshGuides()));
+
     m_cursorLine = projectscene->addLine(0, 0, 0, maxHeight);
     m_cursorLine->setZValue(1000);
-
     QPen pen1 = QPen();
     pen1.setWidth(1);
     pen1.setColor(palette().text().color());
     m_cursorLine->setPen(pen1);
     m_cursorLine->setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
 
-    KIcon razorIcon("edit-cut");
-    m_razorCursor = QCursor(razorIcon.pixmap(22, 22));
-
-    KIcon spacerIcon("kdenlive-spacer-tool");
-    m_spacerCursor = QCursor(spacerIcon.pixmap(22, 22));
-    verticalScrollBar()->setTracking(true);
-    // Line below was supposed to scroll guides label with scrollbar, not implemented yet
-    //connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(slotRefreshGuides()));
     connect(&m_scrollTimer, SIGNAL(timeout()), this, SLOT(slotCheckMouseScrolling()));
     m_scrollTimer.setInterval(100);
     m_scrollTimer.setSingleShot(true);
@@ -168,6 +173,12 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
     connect(&m_thumbsTimer, SIGNAL(timeout()), this, SLOT(slotFetchNextThumbs()));
     m_thumbsTimer.setInterval(500);
     m_thumbsTimer.setSingleShot(true);
+
+    KIcon razorIcon("edit-cut");
+    m_razorCursor = QCursor(razorIcon.pixmap(22, 22));
+
+    KIcon spacerIcon("kdenlive-spacer-tool");
+    m_spacerCursor = QCursor(spacerIcon.pixmap(22, 22));
 }
 
 CustomTrackView::~CustomTrackView()
@@ -175,6 +186,7 @@ CustomTrackView::~CustomTrackView()
     qDeleteAll(m_guides);
     m_guides.clear();
     m_waitingThumbs.clear();
+    delete m_animationTimer;
 }
 
 //virtual
@@ -199,6 +211,7 @@ void CustomTrackView::setContextMenu(QMenu *timeline, QMenu *clip, QMenu *transi
     m_timelineContextMenu = timeline;
     m_timelineContextClipMenu = clip;
     m_clipTypeGroup = clipTypeGroup;
+    connect(m_timelineContextMenu, SIGNAL(aboutToHide()), this, SLOT(slotResetMenuPosition()));
 
     m_markerMenu = new QMenu(i18n("Go to marker..."), this);
     m_markerMenu->setEnabled(false);
@@ -229,6 +242,17 @@ void CustomTrackView::setContextMenu(QMenu *timeline, QMenu *clip, QMenu *transi
     m_timelineContextMenu->addAction(m_editGuide);
 }
 
+void CustomTrackView::slotDoResetMenuPosition()
+{
+    m_menuPosition = QPoint();
+}
+
+void CustomTrackView::slotResetMenuPosition()
+{
+    // after a short time (so that the action is triggered / or menu is closed, we reset the menu pos
+    QTimer::singleShot(300, this, SLOT(slotDoResetMenuPosition()));
+}
+
 void CustomTrackView::checkAutoScroll()
 {
     m_autoScroll = KdenliveSettings::autoscroll();
@@ -238,14 +262,35 @@ void CustomTrackView::checkAutoScroll()
     return m_scene->m_tracksList;
 }*/
 
-void CustomTrackView::checkTrackHeight()
+
+int CustomTrackView::getFrameWidth()
+{
+    return (int) (m_tracksHeight * m_document->mltProfile().display_aspect_num / m_document->mltProfile().display_aspect_den + 0.5);
+}
+
+void CustomTrackView::updateSceneFrameWidth()
 {
-    if (m_tracksHeight == KdenliveSettings::trackheight()) return;
+    int frameWidth = getFrameWidth();
+    QList<QGraphicsItem *> itemList = items();
+    ClipItem *item;
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET) {
+            item = (ClipItem*) itemList.at(i);
+            item->resetFrameWidth(frameWidth);
+            item->resetThumbs(true);
+        }
+    }
+}
+
+bool CustomTrackView::checkTrackHeight()
+{
+    if (m_tracksHeight == KdenliveSettings::trackheight()) return false;
     m_tracksHeight = KdenliveSettings::trackheight();
     emit trackHeightChanged();
     QList<QGraphicsItem *> itemList = items();
     ClipItem *item;
     Transition *transitionitem;
+    int frameWidth = getFrameWidth();
     bool snap = KdenliveSettings::snaptopoints();
     KdenliveSettings::setSnaptopoints(false);
     for (int i = 0; i < itemList.count(); i++) {
@@ -253,6 +298,7 @@ void CustomTrackView::checkTrackHeight()
             item = (ClipItem*) itemList.at(i);
             item->setRect(0, 0, item->rect().width(), m_tracksHeight - 1);
             item->setPos((qreal) item->startPos().frames(m_document->fps()), (qreal) item->track() * m_tracksHeight + 1);
+            item->resetFrameWidth(frameWidth);
             item->resetThumbs(true);
         } else if (itemList.at(i)->type() == TRANSITIONWIDGET) {
             transitionitem = (Transition*) itemList.at(i);
@@ -261,7 +307,7 @@ void CustomTrackView::checkTrackHeight()
         }
     }
     double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight - 1);
 
     for (int i = 0; i < m_guides.count(); i++) {
         QLineF l = m_guides.at(i)->line();
@@ -273,6 +319,7 @@ void CustomTrackView::checkTrackHeight()
 //     verticalScrollBar()->setMaximum(m_tracksHeight * m_document->tracksCount());
     KdenliveSettings::setSnaptopoints(snap);
     viewport()->update();
+    return true;
 }
 
 /** Zoom or move viewport on mousewheel
@@ -309,7 +356,7 @@ void CustomTrackView::slotFetchNextThumbs()
 {
     if (!m_waitingThumbs.isEmpty()) {
         ClipItem *item = m_waitingThumbs.takeFirst();
-        while ((item == NULL) && !m_waitingThumbs.isEmpty()) {
+        while (item == NULL && !m_waitingThumbs.isEmpty()) {
             item = m_waitingThumbs.takeFirst();
         }
         if (item) item->slotFetchThumbs();
@@ -348,11 +395,12 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
 {
     int pos = event->x();
     int mappedXPos = qMax((int)(mapToScene(event->pos()).x() + 0.5), 0);
+   
     double snappedPos = getSnapPointForPos(mappedXPos);
     emit mousePosition(mappedXPos);
 
     if (event->buttons() & Qt::MidButton) return;
-    if (dragMode() == QGraphicsView::RubberBandDrag || (event->modifiers() == Qt::ControlModifier && m_tool != SPACERTOOL)) {
+    if (dragMode() == QGraphicsView::RubberBandDrag || (event->modifiers() == Qt::ControlModifier && m_tool != SPACERTOOL && m_operationMode != RESIZESTART && m_operationMode != RESIZEEND)) {
         event->setAccepted(true);
         m_moveOpMode = NONE;
         QGraphicsView::mouseMoveEvent(event);
@@ -371,14 +419,34 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 } else if (viewport()->width() - pos < 10) {
                     m_scrollOffset = 30;
                     m_scrollTimer.start();
-                } else if (m_scrollTimer.isActive()) m_scrollTimer.stop();
-
+                } else if (m_scrollTimer.isActive()) {
+                    m_scrollTimer.stop();
+                }
             } else if (m_operationMode == RESIZESTART && move) {
                 m_document->renderer()->pause();
-                m_dragItem->resizeStart((int)(snappedPos));
+                if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+                    if (parent)
+                        parent->resizeStart((int)(snappedPos - m_dragItemInfo.startPos.frames(m_document->fps())));
+                } else {
+                    m_dragItem->resizeStart((int)(snappedPos));
+                }
+                QString crop = m_document->timecode().getDisplayTimecode(m_dragItem->cropStart(), KdenliveSettings::frametimecode());
+                QString duration = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration(), KdenliveSettings::frametimecode());
+                QString offset = m_document->timecode().getDisplayTimecode(m_dragItem->cropStart() - m_dragItemInfo.cropStart, KdenliveSettings::frametimecode());
+                emit displayMessage(i18n("Crop from start:") + ' ' + crop + ' ' + i18n("Duration:") + ' ' + duration + ' ' + i18n("Offset:") + ' ' + offset, InformationMessage);
             } else if (m_operationMode == RESIZEEND && move) {
                 m_document->renderer()->pause();
-                m_dragItem->resizeEnd((int)(snappedPos));
+                if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+                    if (parent)
+                        parent->resizeEnd((int)(snappedPos - m_dragItemInfo.endPos.frames(m_document->fps())));
+                } else {
+                    m_dragItem->resizeEnd((int)(snappedPos));
+                }
+                QString duration = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration(), KdenliveSettings::frametimecode());
+                QString offset = m_document->timecode().getDisplayTimecode(m_dragItem->cropDuration() - m_dragItemInfo.cropDuration, KdenliveSettings::frametimecode());
+                emit displayMessage(i18n("Duration:") + ' ' + duration + ' ' + i18n("Offset:") + ' ' + offset, InformationMessage);
             } else if (m_operationMode == FADEIN && move) {
                 ((ClipItem*) m_dragItem)->setFadeIn((int)(mappedXPos - m_dragItem->startPos().frames(m_document->fps())));
             } else if (m_operationMode == FADEOUT && move) {
@@ -390,25 +458,13 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 double maxh = 100.0 / br.height();
                 pos = (br.bottom() - pos) * maxh;
                 m_dragItem->updateKeyFramePos(keyFramePos, pos);
+                QString position = m_document->timecode().getDisplayTimecodeFromFrames(m_dragItem->editedKeyFramePos(), KdenliveSettings::frametimecode());
+                emit displayMessage(position + " : " + QString::number(m_dragItem->editedKeyFrameValue()), InformationMessage);
             }
-            if (m_visualTip) {
-                scene()->removeItem(m_visualTip);
-                m_animationTimer->stop();
-                delete m_animation;
-                m_animation = NULL;
-                delete m_visualTip;
-                m_visualTip = NULL;
-            }
+            removeTipAnimation();
             return;
         } else if (m_operationMode == MOVEGUIDE) {
-            if (m_visualTip) {
-                scene()->removeItem(m_visualTip);
-                m_animationTimer->stop();
-                delete m_animation;
-                m_animation = NULL;
-                delete m_visualTip;
-                m_visualTip = NULL;
-            }
+            removeTipAnimation();
             QGraphicsView::mouseMoveEvent(event);
             return;
         } else if (m_operationMode == SPACER && move && m_selectionGroup) {
@@ -424,9 +480,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             for (int i = 0; i < children.count(); i++) {
                 if (children.at(i)->type() == GROUPWIDGET) {
                     QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                    for (int j = 0; j < subchildren.count(); j++) {
+                    for (int j = 0; j < subchildren.count(); j++)
                         collidingItems.removeAll(subchildren.at(j));
-                    }
                 }
                 collidingItems.removeAll(children.at(i));
             }
@@ -451,9 +506,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             for (int i = 0; i < children.count(); i++) {
                 if (children.at(i)->type() == GROUPWIDGET) {
                     QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                    for (int j = 0; j < subchildren.count(); j++) {
+                    for (int j = 0; j < subchildren.count(); j++)
                         collidingItems.removeAll(subchildren.at(j));
-                    }
                 }
                 collidingItems.removeAll(children.at(i));
             }
@@ -475,9 +529,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 for (int i = 0; i < children.count(); i++) {
                     if (children.at(i)->type() == GROUPWIDGET) {
                         QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                        for (int j = 0; j < subchildren.count(); j++) {
+                        for (int j = 0; j < subchildren.count(); j++)
                             collidingItems.removeAll(subchildren.at(j));
-                        }
                     }
                     collidingItems.removeAll(children.at(i));
                 }
@@ -502,9 +555,8 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
                 for (int i = 0; i < children.count(); i++) {
                     if (children.at(i)->type() == GROUPWIDGET) {
                         QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
-                        for (int j = 0; j < subchildren.count(); j++) {
+                        for (int j = 0; j < subchildren.count(); j++)
                             collidingItems.removeAll(subchildren.at(j));
-                        }
                     }
                     collidingItems.removeAll(children.at(i));
                 }
@@ -555,161 +607,79 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             event->accept();
             return;
         }
-        opMode = clip->operationMode(mapToScene(event->pos()));
+
+        if (m_selectionGroup && clip->parentItem() == m_selectionGroup) {
+            // all other modes break the selection, so the user probably wants to move it
+            opMode = MOVE;
+        } else {
+            opMode = clip->operationMode(mapToScene(event->pos()));
+        }
+
         const double size = 5;
         if (opMode == m_moveOpMode) {
             QGraphicsView::mouseMoveEvent(event);
             return;
         } else {
-            if (m_visualTip) {
-                scene()->removeItem(m_visualTip);
-                m_animationTimer->stop();
-                delete m_animation;
-                m_animation = NULL;
-                delete m_visualTip;
-                m_visualTip = NULL;
-            }
+            removeTipAnimation();
         }
         m_moveOpMode = opMode;
+        setTipAnimation(clip, opMode, size);
+        ClipItem *ci = NULL;
+        if (item->type() == AVWIDGET)
+            ci = static_cast <ClipItem *>(item);
+        QString message;
         if (opMode == MOVE) {
             setCursor(Qt::OpenHandCursor);
+            if (ci) {
+                message = ci->clipName() + i18n(":");
+                message.append(i18n(" Position:") + m_document->timecode().getDisplayTimecode(ci->info().startPos, KdenliveSettings::frametimecode()));
+                message.append(i18n(" Duration:") + m_document->timecode().getDisplayTimecode(ci->cropDuration(),  KdenliveSettings::frametimecode()));
+                if (clip->parentItem() && clip->parentItem()->type() == GROUPWIDGET) {
+                    AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(clip->parentItem());
+                    if (clip->parentItem() == m_selectionGroup)
+                        message.append(i18n(" Selection duration:"));
+                    else
+                        message.append(i18n(" Group duration:"));
+                    message.append(m_document->timecode().getDisplayTimecode(parent->duration(), KdenliveSettings::frametimecode()));
+                    if (parent->parentItem() && parent->parentItem()->type() == GROUPWIDGET) {
+                        AbstractGroupItem *parent2 = static_cast <AbstractGroupItem *>(parent->parentItem());
+                        message.append(i18n(" Selection duration:") + m_document->timecode().getDisplayTimecode(parent2->duration(), KdenliveSettings::frametimecode()));
+                    }
+                }
+            }
         } else if (opMode == RESIZESTART) {
             setCursor(KCursor("left_side", Qt::SizeHorCursor));
-            if (m_visualTip == NULL) {
-                QRectF rect = clip->sceneBoundingRect();
-                QPolygon polygon;
-                polygon << QPoint(0, - size * 2);
-                polygon << QPoint(size * 2, 0);
-                polygon << QPoint(0, size * 2);
-                polygon << QPoint(0, - size * 2);
-
-                m_visualTip = new QGraphicsPolygonItem(polygon);
-                ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setPos(rect.x(), rect.y() + rect.height() / 2);
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 1);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
-            }
+            if (ci)
+                message = i18n("Crop from start: ") + m_document->timecode().getDisplayTimecode(ci->cropStart(), KdenliveSettings::frametimecode());
+            if (item->type() == AVWIDGET && item->parentItem() && item->parentItem() != m_selectionGroup)
+                message.append(i18n("Use Ctrl to resize only current item, otherwise all items in this group will be resized at once."));
         } else if (opMode == RESIZEEND) {
             setCursor(KCursor("right_side", Qt::SizeHorCursor));
-            if (m_visualTip == NULL) {
-                QRectF rect = clip->sceneBoundingRect();
-                QPolygon polygon;
-                polygon << QPoint(0, - size * 2);
-                polygon << QPoint(- size * 2, 0);
-                polygon << QPoint(0, size * 2);
-                polygon << QPoint(0, - size * 2);
-
-                m_visualTip = new QGraphicsPolygonItem(polygon);
-                ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setPos(rect.right(), rect.y() + rect.height() / 2);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 1);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
-            }
-        } else if (opMode == FADEIN) {
-            if (m_visualTip == NULL) {
-                ClipItem *item = (ClipItem *) clip;
-                QRectF rect = clip->sceneBoundingRect();
-                m_visualTip = new QGraphicsEllipseItem(-size, -size, size * 2, size * 2);
-                ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setPos(rect.x() + item->fadeIn(), rect.y());
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 2);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
-            }
+            if (ci)
+                message = i18n("Duration: ") + m_document->timecode().getDisplayTimecode(ci->cropDuration(), KdenliveSettings::frametimecode());
+            if (item->type() == AVWIDGET && item->parentItem() && item->parentItem() != m_selectionGroup)
+                message.append(i18n("Use Ctrl to resize only current item, otherwise all items in this group will be resized at once."));
+        } else if (opMode == FADEIN || opMode == FADEOUT) {
             setCursor(Qt::PointingHandCursor);
-        } else if (opMode == FADEOUT) {
-            if (m_visualTip == NULL) {
-                ClipItem *item = (ClipItem *) clip;
-                QRectF rect = clip->sceneBoundingRect();
-                m_visualTip = new QGraphicsEllipseItem(-size, -size, size * 2, size * 2);
-                ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setPos(rect.right() - item->fadeOut(), rect.y());
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 2);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
-            }
-            setCursor(Qt::PointingHandCursor);
-        } else if (opMode == TRANSITIONSTART) {
-            if (m_visualTip == NULL) {
-                QRectF rect = clip->sceneBoundingRect();
-                QPolygon polygon;
-                polygon << QPoint(0, - size * 2);
-                polygon << QPoint(size * 2, 0);
-                polygon << QPoint(0, 0);
-                polygon << QPoint(0, - size * 2);
-
-                m_visualTip = new QGraphicsPolygonItem(polygon);
-                ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setPos(rect.x(), rect.bottom());
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 2);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
-            }
-            setCursor(Qt::PointingHandCursor);
-        } else if (opMode == TRANSITIONEND) {
-            if (m_visualTip == NULL) {
-                QRectF rect = clip->sceneBoundingRect();
-                QPolygon polygon;
-                polygon << QPoint(0, - size * 2);
-                polygon << QPoint(- size * 2, 0);
-                polygon << QPoint(0, 0);
-                polygon << QPoint(0, - size * 2);
-
-                m_visualTip = new QGraphicsPolygonItem(polygon);
-                ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
-                ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
-                m_visualTip->setPos(rect.right(), rect.bottom());
-                m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
-                m_visualTip->setZValue(100);
-                m_animation = new QGraphicsItemAnimation;
-                m_animation->setItem(m_visualTip);
-                m_animation->setTimeLine(m_animationTimer);
-                m_animation->setScaleAt(.5, 2, 2);
-                m_animation->setScaleAt(1, 1, 1);
-                scene()->addItem(m_visualTip);
-                m_animationTimer->start();
+            if (ci && opMode == FADEIN && ci->fadeIn()) {
+                message = i18n("Fade in duration: ");
+                message.append(m_document->timecode().getDisplayTimecodeFromFrames(ci->fadeIn(), KdenliveSettings::frametimecode()));
+            } else if (ci && opMode == FADEOUT && ci->fadeOut()) {
+                message = i18n("Fade out duration: ");
+                message.append(m_document->timecode().getDisplayTimecodeFromFrames(ci->fadeOut(), KdenliveSettings::frametimecode()));
+            } else {
+                message = i18n("Drag to add or resize a fade effect.");
             }
+        } else if (opMode == TRANSITIONSTART || opMode == TRANSITIONEND) {
             setCursor(Qt::PointingHandCursor);
+            message = i18n("Click to add a transition.");
         } else if (opMode == KEYFRAME) {
             setCursor(Qt::PointingHandCursor);
+            emit displayMessage(i18n("Move keyframe above or below clip to remove it, double click to add a new one."), InformationMessage);
         }
+
+        if (!message.isEmpty())
+            emit displayMessage(message, InformationMessage);
     } // no clip under mouse
     else if (m_tool == RAZORTOOL) {
         event->accept();
@@ -718,15 +688,7 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
         m_moveOpMode = opMode;
         setCursor(Qt::SplitHCursor);
     } else {
-        if (m_visualTip) {
-            scene()->removeItem(m_visualTip);
-            m_animationTimer->stop();
-            delete m_animation;
-            m_animation = NULL;
-            delete m_visualTip;
-            m_visualTip = NULL;
-
-        }
+        removeTipAnimation();
         setCursor(Qt::ArrowCursor);
         if (event->buttons() != Qt::NoButton && event->modifiers() == Qt::NoModifier) {
             QGraphicsView::mouseMoveEvent(event);
@@ -769,7 +731,6 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
 
     m_blockRefresh = true;
     m_dragGuide = NULL;
-    bool collision = false;
 
     if (m_tool != RAZORTOOL) activateMonitor();
     else if (m_document->renderer()->playSpeed() != 0.0) {
@@ -780,7 +741,6 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
 
     // check item under mouse
     QList<QGraphicsItem *> collisionList = items(m_clickEvent);
-
     if (event->modifiers() == Qt::ControlModifier && m_tool != SPACERTOOL && collisionList.count() == 0) {
         // Pressing Ctrl + left mouse button in an empty area scrolls the timeline
         setDragMode(QGraphicsView::ScrollHandDrag);
@@ -797,7 +757,6 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
             m_dragGuide = (Guide *) collisionList.at(i);
             if (event->button() == Qt::LeftButton) { // move it
                 m_dragGuide->setFlag(QGraphicsItem::ItemIsMovable, true);
-                collision = true;
                 m_operationMode = MOVEGUIDE;
                 // deselect all clips so that only the guide will move
                 m_scene->clearSelection();
@@ -818,9 +777,12 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
     while (!m_dragGuide && ct < collisionList.count()) {
         if (collisionList.at(ct)->type() == AVWIDGET || collisionList.at(ct)->type() == TRANSITIONWIDGET) {
             collisionClip = static_cast <AbstractClipItem *>(collisionList.at(ct));
-            if (collisionClip == m_dragItem) {
+            if (collisionClip->isItemLocked())
+                break;
+            if (collisionClip == m_dragItem)
                 collisionClip = NULL;
-            } else m_dragItem = collisionClip;
+            else
+                m_dragItem = collisionClip;
             found = true;
             m_dragItemInfo = m_dragItem->info();
             if (m_dragItem->parentItem() && m_dragItem->parentItem()->type() == GROUPWIDGET && m_dragItem->parentItem() != m_selectionGroup) {
@@ -837,7 +799,7 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
     }
 #if QT_VERSION >= 0x040600
     // Add shadow to dragged item, currently disabled because of painting artifacts
-    //TODO: re-enable when fixed
+    //TODO: re-enable when fixed
     /*QGraphicsDropShadowEffect *eff = new QGraphicsDropShadowEffect();
     eff->setBlurRadius(5);
     eff->setOffset(3, 3);
@@ -965,37 +927,39 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         } else {
             setCursorPos((int)(mapToScene(event->x(), 0).x()));
         }
-        QGraphicsView::mousePressEvent(event);
+        //QGraphicsView::mousePressEvent(event);
+        event->ignore();
         return;
     }
 
     // Razor tool
     if (m_tool == RAZORTOOL && m_dragItem) {
+        GenTime cutPos = GenTime((int)(mapToScene(event->pos()).x()), m_document->fps());
         if (m_dragItem->type() == TRANSITIONWIDGET) {
             emit displayMessage(i18n("Cannot cut a transition"), ErrorMessage);
-            event->accept();
-            m_dragItem = NULL;
-            return;
-        } else if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
-            emit displayMessage(i18n("Cannot cut a clip in a group"), ErrorMessage);
-            event->accept();
-            m_dragItem = NULL;
-            return;
+        } else {
+            m_document->renderer()->pause();
+            if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+                razorGroup((AbstractGroupItem *)m_dragItem->parentItem(), cutPos);
+            } else {
+                AbstractClipItem *clip = static_cast <AbstractClipItem *>(m_dragItem);
+                RazorClipCommand* command = new RazorClipCommand(this, clip->info(), cutPos);
+                m_commandStack->push(command);
+            }
+            setDocumentModified();
         }
-        AbstractClipItem *clip = static_cast <AbstractClipItem *>(m_dragItem);
-        RazorClipCommand* command = new RazorClipCommand(this, clip->info(), GenTime((int)(mapToScene(event->pos()).x()), m_document->fps()));
-        m_document->renderer()->pause();
-        m_commandStack->push(command);
-        setDocumentModified();
         m_dragItem = NULL;
         event->accept();
         return;
     }
 
     bool itemSelected = false;
-    if (m_dragItem->isSelected()) itemSelected = true;
-    else if (m_dragItem->parentItem() && m_dragItem->parentItem()->isSelected()) itemSelected = true;
-    else if (dragGroup && dragGroup->isSelected()) itemSelected = true;
+    if (m_dragItem->isSelected())
+        itemSelected = true;
+    else if (m_dragItem->parentItem() && m_dragItem->parentItem()->isSelected())
+        itemSelected = true;
+    else if (dragGroup && dragGroup->isSelected())
+        itemSelected = true;
 
     if (event->modifiers() == Qt::ControlModifier || itemSelected == false) {
         if (event->modifiers() != Qt::ControlModifier) {
@@ -1006,12 +970,13 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         } else resetSelectionGroup();
         dragGroup = NULL;
         if (m_dragItem->parentItem() && m_dragItem->parentItem()->type() == GROUPWIDGET) {
-            //kDebug()<<"// KLIK FOUND GRP: "<<m_dragItem->sceneBoundingRect();
             dragGroup = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
         }
         bool selected = !m_dragItem->isSelected();
-        if (dragGroup) dragGroup->setSelected(selected);
-        else m_dragItem->setSelected(selected);
+        if (dragGroup)
+            dragGroup->setSelected(selected);
+        else
+            m_dragItem->setSelected(selected);
 
         groupSelectedItems();
         ClipItem *clip = static_cast <ClipItem *>(m_dragItem);
@@ -1023,19 +988,29 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         if (m_dragItem && m_dragItem->type() == AVWIDGET && !m_dragItem->isItemLocked()) {
             ClipItem *selected = static_cast <ClipItem*>(m_dragItem);
             emit clipItemSelected(selected);
-        } else emit clipItemSelected(NULL);
+        } else {
+            emit clipItemSelected(NULL);
+        }
     }
 
     // If clicked item is selected, allow move
     if (event->modifiers() != Qt::ControlModifier && m_operationMode == NONE) QGraphicsView::mousePressEvent(event);
 
     m_clickPoint = QPoint((int)(mapToScene(event->pos()).x() - m_dragItem->startPos().frames(m_document->fps())), (int)(event->pos().y() - m_dragItem->pos().y()));
-    m_operationMode = m_dragItem->operationMode(mapToScene(event->pos()));
+    if (m_selectionGroup && m_dragItem->parentItem() == m_selectionGroup) {
+        // all other modes break the selection, so the user probably wants to move it
+        m_operationMode = MOVE;
+    } else {
+        m_operationMode = m_dragItem->operationMode(mapToScene(event->pos()));
+    }
+    m_controlModifier = (event->modifiers() == Qt::ControlModifier);
 
     // Update snap points
     if (m_selectionGroup == NULL) {
-        if (m_operationMode == RESIZEEND || m_operationMode == RESIZESTART) updateSnapPoints(NULL);
-        else updateSnapPoints(m_dragItem);
+        if (m_operationMode == RESIZEEND || m_operationMode == RESIZESTART)
+            updateSnapPoints(NULL);
+        else
+            updateSnapPoints(m_dragItem);
     } else {
         QList <GenTime> offsetList;
         QList<QGraphicsItem *> children = m_selectionGroup->childItems();
@@ -1077,8 +1052,10 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
             info.endPos = transitionClip->endPos();
         } else {
             GenTime transitionDuration(65, m_document->fps());
-            if (m_dragItem->cropDuration() < transitionDuration) info.endPos = m_dragItem->endPos();
-            else info.endPos = info.startPos + transitionDuration;
+            if (m_dragItem->cropDuration() < transitionDuration)
+                info.endPos = m_dragItem->endPos();
+            else
+                info.endPos = info.startPos + transitionDuration;
         }
         if (info.endPos == info.startPos) info.endPos = info.startPos + GenTime(65, m_document->fps());
         // Check there is no other transition at that place
@@ -1140,6 +1117,36 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
     QGraphicsView::mousePressEvent(event);
 }
 
+void CustomTrackView::rebuildGroup(int childTrack, GenTime childPos)
+{
+    const QPointF p((int)childPos.frames(m_document->fps()), childTrack * m_tracksHeight + m_tracksHeight / 2);
+    QList<QGraphicsItem *> list = scene()->items(p);
+    AbstractGroupItem *group = NULL;
+    for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
+        if (list.at(i)->type() == GROUPWIDGET) {
+            group = static_cast <AbstractGroupItem *>(list.at(i));
+            break;
+        }
+    }
+    rebuildGroup(group);
+}
+
+void CustomTrackView::rebuildGroup(AbstractGroupItem *group)
+{
+    if (group) {
+        resetSelectionGroup(false);
+        m_scene->clearSelection();
+
+        QList <QGraphicsItem *> children = group->childItems();
+        m_document->clipManager()->removeGroup(group);
+        scene()->destroyItemGroup(group);
+        for (int i = 0; i < children.count(); i++)
+            children.at(i)->setSelected(true);
+        groupSelectedItems(false, true);
+    }
+}
+
 void CustomTrackView::resetSelectionGroup(bool selectItems)
 {
     if (m_selectionGroup) {
@@ -1160,6 +1167,7 @@ void CustomTrackView::resetSelectionGroup(bool selectItems)
                 children.at(i)->setSelected(selectItems);
             }
         }
+
         m_selectionGroup = NULL;
         KdenliveSettings::setSnaptopoints(snap);
     }
@@ -1195,12 +1203,13 @@ void CustomTrackView::groupSelectedItems(bool force, bool createNewGroup)
 
             scene()->addItem(newGroup);
 
-            // CHeck if we are trying to include a group in a group
+            // Check if we are trying to include a group in a group
             QList <AbstractGroupItem *> groups;
             for (int i = 0; i < selection.count(); i++) {
-                if (selection.at(i)->type() == GROUPWIDGET && !groups.contains(static_cast<AbstractGroupItem *>(selection.at(i)))) {
+                if (selection.at(i)->type() == GROUPWIDGET && !groups.contains(static_cast<AbstractGroupItem *>(selection.at(i))))
                     groups.append(static_cast<AbstractGroupItem *>(selection.at(i)));
-                } else if (selection.at(i)->parentItem() && !groups.contains(static_cast<AbstractGroupItem *>(selection.at(i)->parentItem()))) groups.append(static_cast<AbstractGroupItem *>(selection.at(i)->parentItem()));
+                else if (selection.at(i)->parentItem() && !groups.contains(static_cast<AbstractGroupItem *>(selection.at(i)->parentItem())))
+                    groups.append(static_cast<AbstractGroupItem *>(selection.at(i)->parentItem()));
             }
             if (!groups.isEmpty()) {
                 // ungroup previous groups
@@ -1247,7 +1256,7 @@ void CustomTrackView::mouseDoubleClickEvent(QMouseEvent *event)
     if (m_dragItem && m_dragItem->hasKeyFrames()) {
         /*if (m_moveOpMode == KEYFRAME) {
             // user double clicked on a keyframe, open edit dialog
-            //TODO: update for effects with several values per keyframe
+            //TODO: update for effects with several values per keyframe
             QDialog d(parentWidget());
             Ui::KeyFrameDialog_UI view;
             view.setupUi(&d);
@@ -1304,76 +1313,94 @@ void CustomTrackView::editItemDuration()
         if (m_scene->selectedItems().count() == 1) {
             item = static_cast <AbstractClipItem *>(m_scene->selectedItems().at(0));
         } else {
-            if (m_scene->selectedItems().empty()) {
+            if (m_scene->selectedItems().empty())
                 emit displayMessage(i18n("Cannot find clip to edit"), ErrorMessage);
-            } else {
+            else
                 emit displayMessage(i18n("Cannot edit the duration of multiple items"), ErrorMessage);
-            }
             return;
         }
     }
 
+    if (!item) {
+        emit displayMessage(i18n("Cannot find clip to edit"), ErrorMessage);
+        return;
+    }
+
+    if (item->type() == GROUPWIDGET || (item->parentItem() && item->parentItem()->type() == GROUPWIDGET)) {
+        emit displayMessage(i18n("Cannot edit an item in a group"), ErrorMessage);
+        return;
+    }
+
     if (!item->isItemLocked()) {
         GenTime minimum;
         GenTime maximum;
-        if (item->type() == TRANSITIONWIDGET) {
+        if (item->type() == TRANSITIONWIDGET)
             getTransitionAvailableSpace(item, minimum, maximum);
-        } else {
+        else
             getClipAvailableSpace(item, minimum, maximum);
-        }
-        //kDebug()<<"// GOT MOVE POS: "<<minimum.frames(25)<<" - "<<maximum.frames(25);
+
         ClipDurationDialog d(item, m_document->timecode(), minimum, maximum, this);
         if (d.exec() == QDialog::Accepted) {
+            ItemInfo clipInfo = item->info();
+            ItemInfo startInfo = clipInfo;
             if (item->type() == TRANSITIONWIDGET) {
                 // move & resize transition
-                ItemInfo startInfo;
-                startInfo.startPos = item->startPos();
-                startInfo.endPos = item->endPos();
-                startInfo.track = item->track();
-                ItemInfo endInfo;
-                endInfo.startPos = d.startPos();
-                endInfo.endPos = endInfo.startPos + d.duration();
-                endInfo.track = item->track();
-                MoveTransitionCommand *command = new MoveTransitionCommand(this, startInfo, endInfo, true);
+                clipInfo.startPos = d.startPos();
+                clipInfo.endPos = clipInfo.startPos + d.duration();
+                clipInfo.track = item->track();
+                MoveTransitionCommand *command = new MoveTransitionCommand(this, startInfo, clipInfo, true);
+                updateTrackDuration(clipInfo.track, command);
                 m_commandStack->push(command);
             } else {
                 // move and resize clip
+                ClipItem *clip = static_cast<ClipItem *>(item);
                 QUndoCommand *moveCommand = new QUndoCommand();
                 moveCommand->setText(i18n("Edit clip"));
-                ItemInfo clipInfo = item->info();
                 if (d.duration() < item->cropDuration() || d.cropStart() != clipInfo.cropStart) {
                     // duration was reduced, so process it first
-                    ItemInfo startInfo = clipInfo;
                     clipInfo.endPos = clipInfo.startPos + d.duration();
                     clipInfo.cropStart = d.cropStart();
-                    new ResizeClipCommand(this, startInfo, clipInfo, true, false, moveCommand);
+
+                    resizeClip(startInfo, clipInfo);
+                    new ResizeClipCommand(this, startInfo, clipInfo, false, true, moveCommand);
+                    adjustEffects(clip, startInfo, moveCommand);
+                    new ResizeClipCommand(this, startInfo, clipInfo, false, true, moveCommand);
                 }
+
                 if (d.startPos() != clipInfo.startPos) {
-                    ItemInfo startInfo = clipInfo;
+                    startInfo = clipInfo;
                     clipInfo.startPos = d.startPos();
                     clipInfo.endPos = item->endPos() + (clipInfo.startPos - startInfo.startPos);
                     new MoveClipCommand(this, startInfo, clipInfo, true, moveCommand);
                 }
+
                 if (d.duration() > item->cropDuration()) {
                     // duration was increased, so process it after move
-                    ItemInfo startInfo = clipInfo;
+                    startInfo = clipInfo;
                     clipInfo.endPos = clipInfo.startPos + d.duration();
                     clipInfo.cropStart = d.cropStart();
-                    new ResizeClipCommand(this, startInfo, clipInfo, true, false, moveCommand);
+
+                    resizeClip(startInfo, clipInfo);
+                    new ResizeClipCommand(this, startInfo, clipInfo, false, true, moveCommand);
+                    adjustEffects(clip, startInfo, moveCommand);
+                    new ResizeClipCommand(this, startInfo, clipInfo, false, true, moveCommand);
                 }
+                updateTrackDuration(clipInfo.track, moveCommand);
                 m_commandStack->push(moveCommand);
             }
         }
-    } else emit displayMessage(i18n("Item is locked"), ErrorMessage);
+    } else {
+        emit displayMessage(i18n("Item is locked"), ErrorMessage);
+    }
 }
 
-void CustomTrackView::editKeyFrame(const GenTime pos, const int track, const int index, const QString keyframes)
+void CustomTrackView::editKeyFrame(const GenTime & /*pos*/, const int /*track*/, const int /*index*/, const QString & /*keyframes*/)
 {
-    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), track);
+    /*ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), track);
     if (clip) {
         clip->setKeyframes(index, keyframes);
         updateEffect(m_document->tracksCount() - clip->track(), clip->startPos(), clip->effectAt(index), index, false);
-    } else emit displayMessage(i18n("Cannot find clip with keyframe"), ErrorMessage);
+    } else emit displayMessage(i18n("Cannot find clip with keyframe"), ErrorMessage);*/
 }
 
 
@@ -1443,10 +1470,16 @@ void CustomTrackView::insertClipCut(DocClipBase *clip, int in, int out)
     }
 
     AddTimelineClipCommand *command = new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), pasteInfo, EffectsList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, true, false);
+    updateTrackDuration(pasteInfo.track, command);
     m_commandStack->push(command);
+
+    selectClip(true, false);
+    // Automatic audio split
+    if (KdenliveSettings::splitaudio())
+        splitAudio();
 }
 
-bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
+bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint &pos)
 {
     if (data->hasFormat("kdenlive/clip")) {
         m_clipDrag = true;
@@ -1458,6 +1491,10 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << list.at(0);
             return false;
         }
+        if (clip->getProducer() == NULL) {
+            emit displayMessage(i18n("Clip not ready"), ErrorMessage);
+            return false;
+        }
         QPointF framePos = mapToScene(pos);
         ItemInfo info;
         info.startPos = GenTime();
@@ -1477,7 +1514,7 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             return true;
         }
         m_selectionGroup = new AbstractGroupItem(m_document->fps());
-        ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1);
+        ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1, getFrameWidth());
         m_selectionGroup->addToGroup(item);
         item->setFlag(QGraphicsItem::ItemIsMovable, false);
 
@@ -1509,6 +1546,10 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
                 kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << ids.at(i);
                 return false;
             }
+            if (clip->getProducer() == NULL) {
+                emit displayMessage(i18n("Clip not ready"), ErrorMessage);
+                return false;
+            }
             ItemInfo info;
             info.startPos = start;
             info.cropDuration = clip->duration();
@@ -1531,7 +1572,7 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             info.track = 0;
             start += info.cropDuration;
             offsetList.append(start);
-            ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1, false);
+            ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1, getFrameWidth(), false);
             item->setFlag(QGraphicsItem::ItemIsMovable, false);
             m_selectionGroup->addToGroup(item);
             if (!clip->isPlaceHolder()) m_waitingThumbs.append(item);
@@ -1583,13 +1624,13 @@ void CustomTrackView::slotRefreshEffects(ClipItem *clip)
 {
     int track = m_document->tracksCount() - clip->track();
     GenTime pos = clip->startPos();
-    if (!m_document->renderer()->mltRemoveEffect(track, pos, "-1", false, false)) {
+    if (!m_document->renderer()->mltRemoveEffect(track, pos, -1, false, false)) {
         emit displayMessage(i18n("Problem deleting effect"), ErrorMessage);
         return;
     }
     bool success = true;
     for (int i = 0; i < clip->effectsCount(); i++) {
-        if (!m_document->renderer()->mltAddEffect(track, pos, clip->getEffectArgs(clip->effectAt(i)), false)) success = false;
+        if (!m_document->renderer()->mltAddEffect(track, pos, getEffectArgs(clip->effectAt(i)), false)) success = false;
     }
     if (!success) emit displayMessage(i18n("Problem adding effect to clip"), ErrorMessage);
     m_document->renderer()->doRefresh();
@@ -1597,6 +1638,20 @@ void CustomTrackView::slotRefreshEffects(ClipItem *clip)
 
 void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
 {
+    if (pos < GenTime()) {
+        // Add track effect
+        if (effect.attribute("id") == "speed") {
+            // TODO: uncomment after 0.8.2 release
+            // emit displayMessage(i18n("Cannot add speed effect to track"));
+            return;
+        }
+        clearSelection();
+        m_document->addTrackEffect(track - 1, effect);
+        m_document->renderer()->mltAddTrackEffect(track, getEffectArgs(effect));
+        emit updateTrackEffectState(track - 1);
+        emit showTrackEffects(track, m_document->trackInfoAt(track - 1));
+        return;
+    }
     ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip) {
         // Special case: speed effect
@@ -1605,7 +1660,8 @@ void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
                 emit displayMessage(i18n("Problem adding effect to clip"), ErrorMessage);
                 return;
             }
-            double speed = EffectsList::parameter(effect, "speed").toDouble() / 100.0;
+            QLocale locale;
+            double speed = locale.toDouble(EffectsList::parameter(effect, "speed")) / 100.0;
             int strobe = EffectsList::parameter(effect, "strobe").toInt();
             if (strobe == 0) strobe = 1;
             doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), speed, 1.0, strobe, clip->baseClip()->getId());
@@ -1624,6 +1680,16 @@ void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
 void CustomTrackView::deleteEffect(int track, GenTime pos, QDomElement effect)
 {
     QString index = effect.attribute("kdenlive_ix");
+    if (pos < GenTime()) {
+        // Delete track effect
+        if (m_document->renderer()->mltRemoveTrackEffect(track, index.toInt(), true)) {
+           m_document->removeTrackEffect(track - 1, effect);
+       }
+       else emit displayMessage(i18n("Problem deleting effect"), ErrorMessage);
+        emit updateTrackEffectState(track - 1);
+        emit showTrackEffects(track, m_document->trackInfoAt(track - 1));
+        return;
+    }
     // Special case: speed effect
     if (effect.attribute("id") == "speed") {
         ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
@@ -1631,11 +1697,11 @@ void CustomTrackView::deleteEffect(int track, GenTime pos, QDomElement effect)
             doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), 1.0, clip->speed(), 1, clip->baseClip()->getId());
             clip->deleteEffect(index);
             emit clipItemSelected(clip);
-            m_document->renderer()->mltRemoveEffect(track, pos, index, true);
+            m_document->renderer()->mltRemoveEffect(track, pos, index.toInt(), true);
             return;
         }
     }
-    if (!m_document->renderer()->mltRemoveEffect(track, pos, index, true)) {
+    if (!m_document->renderer()->mltRemoveEffect(track, pos, index.toInt(), true)) {
         kDebug() << "// ERROR REMOV EFFECT: " << index << ", DISABLE: " << effect.attribute("disable");
         emit displayMessage(i18n("Problem deleting effect"), ErrorMessage);
         return;
@@ -1652,8 +1718,8 @@ void CustomTrackView::slotAddGroupEffect(QDomElement effect, AbstractGroupItem *
     QList<QGraphicsItem *> itemList = group->childItems();
     QUndoCommand *effectCommand = new QUndoCommand();
     QString effectName;
-    QDomNode namenode = effect.elementsByTagName("name").item(0);
-    if (!namenode.isNull()) effectName = i18n(namenode.toElement().text().toUtf8().data());
+    QDomElement namenode = effect.firstChildElement("name");
+    if (!namenode.isNull()) effectName = i18n(namenode.text().toUtf8().data());
     else effectName = i18n("effect");
     effectCommand->setText(i18n("Add %1", effectName));
     int count = 0;
@@ -1676,11 +1742,7 @@ void CustomTrackView::slotAddGroupEffect(QDomElement effect, AbstractGroupItem *
                 continue;
             }
             item->initEffect(effect);
-            if (effect.attribute("tag") == "ladspa") {
-                QString ladpsaFile = m_document->getLadspaFile();
-                initEffects::ladspaEffectFile(ladpsaFile, effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
-                effect.setAttribute("src", ladpsaFile);
-            }
+
             new AddEffectCommand(this, m_document->tracksCount() - item->track(), item->startPos(), effect, true, effectCommand);
             count++;
         }
@@ -1696,8 +1758,8 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
     QList<QGraphicsItem *> itemList;
     QUndoCommand *effectCommand = new QUndoCommand();
     QString effectName;
-    QDomNode namenode = effect.elementsByTagName("name").item(0);
-    if (!namenode.isNull()) effectName = i18n(namenode.toElement().text().toUtf8().data());
+    QDomElement namenode = effect.firstChildElement("name");
+    if (!namenode.isNull()) effectName = i18n(namenode.text().toUtf8().data());
     else effectName = i18n("effect");
     effectCommand->setText(i18n("Add %1", effectName));
 
@@ -1724,13 +1786,19 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
             if (effect.attribute("type") == "audio") {
                 // Don't add audio effects on video clips
                 if (item->isVideoOnly() || (item->clipType() != AUDIO && item->clipType() != AV && item->clipType() != PLAYLIST)) {
-                    emit displayMessage(i18n("Cannot add an audio effect to this clip"), ErrorMessage);
+                    /* do not show error message when item is part of a group as the user probably knows what he does then
+                     * and the message is annoying when working with the split audio feature */
+                    if (!item->parentItem() || item->parentItem() == m_selectionGroup)
+                        emit displayMessage(i18n("Cannot add an audio effect to this clip"), ErrorMessage);
                     continue;
                 }
-            } else if (effect.hasAttribute("type") == false) {
+            } else if (effect.attribute("type") == "video" || !effect.hasAttribute("type")) {
                 // Don't add video effect on audio clips
                 if (item->isAudioOnly() || item->clipType() == AUDIO) {
-                    emit displayMessage(i18n("Cannot add a video effect to this clip"), ErrorMessage);
+                    /* do not show error message when item is part of a group as the user probably knows what he does then
+                     * and the message is annoying when working with the split audio feature */
+                    if (!item->parentItem() || item->parentItem() == m_selectionGroup)
+                        emit displayMessage(i18n("Cannot add a video effect to this clip"), ErrorMessage);
                     continue;
                 }
             }
@@ -1741,13 +1809,11 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
             if (item->isItemLocked()) {
                 continue;
             }
+
             if (effect.attribute("id") == "freeze" && m_cursorPos > item->startPos().frames(m_document->fps()) && m_cursorPos < item->endPos().frames(m_document->fps())) {
                 item->initEffect(effect, m_cursorPos - item->startPos().frames(m_document->fps()));
-            } else item->initEffect(effect);
-            if (effect.attribute("tag") == "ladspa") {
-                QString ladpsaFile = m_document->getLadspaFile();
-                initEffects::ladspaEffectFile(ladpsaFile, effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
-                effect.setAttribute("src", ladpsaFile);
+            } else {
+                item->initEffect(effect);
             }
             new AddEffectCommand(this, m_document->tracksCount() - item->track(), item->startPos(), effect, true, effectCommand);
         }
@@ -1755,18 +1821,40 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
     if (effectCommand->childCount() > 0) {
         m_commandStack->push(effectCommand);
         setDocumentModified();
+       if (effectCommand->childCount() == 1) {
+           // Display newly added clip effect
+           for (int i = 0; i < itemList.count(); i++) {
+               if (itemList.at(i)->type() == AVWIDGET) {
+                   ClipItem *clip = static_cast<ClipItem *>(itemList.at(i));
+                   if (!clip->isSelected()) {
+                       clearSelection();
+                       clip->setSelected(true);
+                   }
+                   clip->setSelectedEffect(clip->effectsCount() - 1);
+                   emit clipItemSelected(clip, clip->effectsCount() - 1);
+                   break;
+               }
+           }
+       }
     } else delete effectCommand;
 }
 
-void CustomTrackView::slotDeleteEffect(ClipItem *clip, QDomElement effect, bool affectGroup)
+void CustomTrackView::slotDeleteEffect(ClipItem *clip, int track, QDomElement effect, bool affectGroup)
 {
+    if (clip == NULL) {
+        // delete track effect
+        AddEffectCommand *command = new AddEffectCommand(this, track, GenTime(-1), effect, false);
+        m_commandStack->push(command);
+        setDocumentModified();
+        return;
+    }
     if (affectGroup && clip->parentItem() && clip->parentItem() == m_selectionGroup) {
         //clip is in a group, also remove the effect in other clips of the group
         QList<QGraphicsItem *> items = m_selectionGroup->childItems();
         QUndoCommand *delCommand = new QUndoCommand();
         QString effectName;
-        QDomNode namenode = effect.elementsByTagName("name").item(0);
-        if (!namenode.isNull()) effectName = i18n(namenode.toElement().text().toUtf8().data());
+        QDomElement namenode = effect.firstChildElement("name");
+        if (!namenode.isNull()) effectName = i18n(namenode.text().toUtf8().data());
         else effectName = i18n("effect");
         delCommand->setText(i18n("Delete %1", effectName));
 
@@ -1790,8 +1878,11 @@ void CustomTrackView::slotDeleteEffect(ClipItem *clip, QDomElement effect, bool
                 }
             }
         }
-        if (delCommand->childCount() > 0) m_commandStack->push(delCommand);
-        else delete delCommand;
+        if (delCommand->childCount() > 0)
+            m_commandStack->push(delCommand);
+        else
+            delete delCommand;
+        setDocumentModified();
         return;
     }
     AddEffectCommand *command = new AddEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effect, false);
@@ -1805,14 +1896,33 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
         emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
         return;
     }
-    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     QDomElement effect = insertedEffect.cloneNode().toElement();
+    //kDebug() << "// update effect ix: " << effect.attribute("kdenlive_ix")<<", TRACK: "<<track;
+    if (pos < GenTime()) {
+        // editing a track effect
+        EffectsParameterList effectParams = getEffectArgs(effect);
+        // check if we are trying to reset a keyframe effect
+        /*if (effectParams.hasParam("keyframes") && effectParams.paramValue("keyframes").isEmpty()) {
+            clip->initEffect(effect);
+            effectParams = getEffectArgs(effect);
+        }*/
+        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - track, pos, effectParams))
+            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+        m_document->setTrackEffect(m_document->tracksCount() - track - 1, ix, effect);
+        emit updateTrackEffectState(track);
+        setDocumentModified();
+        return;
+
+    }
+    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip) {
         // Special case: speed effect
         if (effect.attribute("id") == "speed") {
-            if (effect.attribute("disable") == "1") doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), 1.0, clip->speed(), 1, clip->baseClip()->getId());
-            else {
-                double speed = EffectsList::parameter(effect, "speed").toDouble() / 100.0;
+            if (effect.attribute("disable") == "1") {
+                doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), 1.0, clip->speed(), 1, clip->baseClip()->getId());
+            } else {
+                QLocale locale;
+                double speed = locale.toDouble(EffectsList::parameter(effect, "speed")) / 100.0;
                 int strobe = EffectsList::parameter(effect, "strobe").toInt();
                 if (strobe == 0) strobe = 1;
                 doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), speed, clip->speed(), strobe, clip->baseClip()->getId());
@@ -1820,29 +1930,19 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
             clip->setEffectAt(ix, effect);
             if (ix == clip->selectedEffectIndex()) {
                 clip->setSelectedEffect(ix);
-                if (!triggeredByUser) emit clipItemSelected(clip, ix);
+                if (!triggeredByUser)
+                    emit clipItemSelected(clip, ix);
             }
             return;
         }
 
-        EffectsParameterList effectParams = clip->getEffectArgs(effect);
-        if (effect.attribute("tag") == "ladspa") {
-            // Update the ladspa affect file
-            initEffects::ladspaEffectFile(effect.attribute("src"), effect.attribute("ladspaid").toInt(), getLadspaParams(effect));
-        }
+        EffectsParameterList effectParams = getEffectArgs(effect);
         // check if we are trying to reset a keyframe effect
         if (effectParams.hasParam("keyframes") && effectParams.paramValue("keyframes").isEmpty()) {
             clip->initEffect(effect);
-            effectParams = clip->getEffectArgs(effect);
+            effectParams = getEffectArgs(effect);
         }
-        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - clip->track(), clip->startPos(), effectParams))
-            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
 
-        clip->setEffectAt(ix, effect);
-        if (ix == clip->selectedEffectIndex()) {
-            clip->setSelectedEffect(ix);
-            if (!triggeredByUser) emit clipItemSelected(clip, ix);
-        }
         if (effect.attribute("tag") == "volume" || effect.attribute("tag") == "brightness") {
             // A fade effect was modified, update the clip
             if (effect.attribute("id") == "fadein" || effect.attribute("id") == "fade_from_black") {
@@ -1854,12 +1954,35 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
                 clip->setFadeOut(pos);
             }
         }
+
+        if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - clip->track(), clip->startPos(), effectParams))
+            emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+
+        clip->setEffectAt(ix, effect);
+        if (ix == clip->selectedEffectIndex()) {
+            clip->setSelectedEffect(ix);
+            if (!triggeredByUser)
+                emit clipItemSelected(clip, ix);
+        }
     }
     setDocumentModified();
 }
 
 void CustomTrackView::moveEffect(int track, GenTime pos, int oldPos, int newPos)
 {
+    if (pos < GenTime()) {
+        // Moving track effect
+        QDomElement act = m_document->getTrackEffect(m_document->tracksCount() - track - 1, newPos - 1);
+        QDomElement before = m_document->getTrackEffect(m_document->tracksCount() - track - 1, oldPos - 1);
+
+        if (!act.isNull() && !before.isNull()) {
+            m_document->setTrackEffect(m_document->tracksCount() - track - 1, oldPos - 1, act);
+            m_document->setTrackEffect(m_document->tracksCount() - track - 1, newPos - 1, before);
+            m_document->renderer()->mltMoveEffect(m_document->tracksCount() - track, pos, oldPos, newPos);
+            emit showTrackEffects(m_document->tracksCount() - track, m_document->trackInfoAt(m_document->tracksCount() - track - 1));
+        } else emit displayMessage(i18n("Cannot move effect"), ErrorMessage);
+        return;
+    }
     ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
     if (clip && !clip->effectAt(newPos - 1).isNull() && !clip->effectAt(oldPos - 1).isNull()) {
         QDomElement act = clip->effectAt(newPos - 1);
@@ -1877,26 +2000,50 @@ void CustomTrackView::moveEffect(int track, GenTime pos, int oldPos, int newPos)
     } else emit displayMessage(i18n("Cannot move effect"), ErrorMessage);
 }
 
-void CustomTrackView::slotChangeEffectState(ClipItem *clip, int effectPos, bool disable)
+void CustomTrackView::slotChangeEffectState(ClipItem *clip, int track, int effectPos, bool disable)
 {
-    QDomElement effect = clip->effectAt(effectPos);
+    EditEffectCommand *command;
+    QDomElement effect;
+    if (clip == NULL) effect = m_document->getTrackEffect(track - 1, effectPos);
+    else effect = clip->effectAt(effectPos);
     QDomElement oldEffect = effect.cloneNode().toElement();
-
     effect.setAttribute("disable", (int) disable);
-    EditEffectCommand *command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldEffect, effect, effectPos, true);
+
+
+    if (clip == NULL) {
+        // editing track effect
+        command = new EditEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), oldEffect, effect, effectPos, true);
+    } else {
+        command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldEffect, effect, effectPos, true);
+    }
     m_commandStack->push(command);
     setDocumentModified();;
 }
 
-void CustomTrackView::slotChangeEffectPosition(ClipItem *clip, int currentPos, int newPos)
+void CustomTrackView::slotChangeEffectPosition(ClipItem *clip, int track, int currentPos, int newPos)
 {
-    MoveEffectCommand *command = new MoveEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), currentPos, newPos);
+    MoveEffectCommand *command;
+    if (clip == NULL) {
+        // editing track effect
+        command = new MoveEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), currentPos, newPos);
+    } else command = new MoveEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), currentPos, newPos);
     m_commandStack->push(command);
     setDocumentModified();
 }
 
-void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, QDomElement oldeffect, QDomElement effect, int ix)
+void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, int track, QDomElement oldeffect, QDomElement effect, int ix)
 {
+    EditEffectCommand *command;
+    if (clip) command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldeffect, effect, ix, true);
+    else command = new EditEffectCommand(this, m_document->tracksCount() - track, GenTime(-1), oldeffect, effect, ix, true);
+    m_commandStack->push(command);
+}
+
+void CustomTrackView::slotUpdateClipRegion(ClipItem *clip, int ix, QString region)
+{
+    QDomElement effect = clip->getEffectAt(ix);
+    QDomElement oldeffect = effect.cloneNode().toElement();
+    effect.setAttribute("region", region);
     EditEffectCommand *command = new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), oldeffect, effect, ix, true);
     m_commandStack->push(command);
 }
@@ -1908,16 +2055,13 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
         ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
         if (!item || cutTime >= item->endPos() || cutTime <= item->startPos()) {
             emit displayMessage(i18n("Cannot find clip to cut"), ErrorMessage);
-            if (item) kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
-            else kDebug() << "/// ERROR NO CLIP at: " << info.startPos.frames(m_document->fps()) << ", track: " << info.track;
+            if (item)
+                kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
+            else
+                kDebug() << "/// ERROR NO CLIP at: " << info.startPos.frames(m_document->fps()) << ", track: " << info.track;
             m_blockRefresh = false;
             return NULL;
         }
-        if (item->parentItem()) {
-            // Item is part of a group, reset group
-            resetSelectionGroup();
-        }
-        kDebug() << "/////////  CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
 
         if (execute) m_document->renderer()->mltCutClip(m_document->tracksCount() - info.track, cutTime);
         int cutPos = (int) cutTime.frames(m_document->fps());
@@ -1931,27 +2075,46 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
         bool snap = KdenliveSettings::snaptopoints();
         KdenliveSettings::setSnaptopoints(false);
         ClipItem *dup = item->clone(newPos);
-        // remove unwanted effects (fade in) from 2nd part of cutted clip
+
+        // remove unwanted effects
+        // fade in from 2nd part of the clip
         int ix = dup->hasEffect(QString(), "fadein");
         if (ix != -1) {
-            QDomElement oldeffect = item->effectAt(ix);
+            QDomElement oldeffect = dup->effectAt(ix);
             dup->deleteEffect(oldeffect.attribute("kdenlive_ix"));
         }
         ix = dup->hasEffect(QString(), "fade_from_black");
         if (ix != -1) {
-            QDomElement oldeffect = item->effectAt(ix);
+            QDomElement oldeffect = dup->effectAt(ix);
             dup->deleteEffect(oldeffect.attribute("kdenlive_ix"));
         }
+        // fade out from 1st part of the clip
+        ix = item->hasEffect(QString(), "fadeout");
+        if (ix != -1) {
+            QDomElement oldeffect = item->effectAt(ix);
+            item->deleteEffect(oldeffect.attribute("kdenlive_ix"));
+        }
+        ix = item->hasEffect(QString(), "fade_to_black");
+        if (ix != -1) {
+            QDomElement oldeffect = item->effectAt(ix);
+            item->deleteEffect(oldeffect.attribute("kdenlive_ix"));
+        }
+
+
         item->resizeEnd(cutPos);
         scene()->addItem(dup);
-        if (item->checkKeyFrames()) slotRefreshEffects(item);
-        if (dup->checkKeyFrames()) slotRefreshEffects(dup);
+        if (item->checkKeyFrames())
+            slotRefreshEffects(item);
+        if (dup->checkKeyFrames())
+            slotRefreshEffects(dup);
+
         item->baseClip()->addReference();
         m_document->updateClip(item->baseClip()->getId());
         setDocumentModified();
         KdenliveSettings::setSnaptopoints(snap);
+        if (execute && item->isSelected())
+            emit clipItemSelected(item);
         return dup;
-        //kDebug() << "/////////  CUTTING CLIP RESULT: (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), DUP: (" << dup->startPos().frames(25) << "-" << dup->endPos().frames(25) << ")" << ", CUT: " << cutTime.frames(25);
     } else {
         // uncut clip
 
@@ -1968,19 +2131,33 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
             return NULL;
         }
 
-        /*kDebug() << "// UNCUTTING CLIPS: ITEM 1 (" << item->startPos().frames(25) << "x" << item->endPos().frames(25) << ")";
-        kDebug() << "// UNCUTTING CLIPS: ITEM 2 (" << dup->startPos().frames(25) << "x" << dup->endPos().frames(25) << ")";
-        kDebug() << "// UNCUTTING CLIPS, INFO (" << info.startPos.frames(25) << "x" << info.endPos.frames(25) << ") , CUT: " << cutTime.frames(25);;*/
-        //deleteClip(dup->info());
-
         bool snap = KdenliveSettings::snaptopoints();
         KdenliveSettings::setSnaptopoints(false);
 
-        if (dup->isSelected()) emit clipItemSelected(NULL);
+        // join fade effects again
+        int ix = dup->hasEffect(QString(), "fadeout");
+        if (ix != -1) {
+            QDomElement effect = dup->effectAt(ix);
+            item->addEffect(effect);
+        }
+        ix = dup->hasEffect(QString(), "fade_to_black");
+        if (ix != -1) {
+            QDomElement effect = dup->effectAt(ix);
+            item->addEffect(effect);
+        }
+
+        m_waitingThumbs.removeAll(dup);
+        bool selected = item->isSelected();
+        if (dup->isSelected()) {
+            selected = true;
+            item->setSelected(true);
+            emit clipItemSelected(NULL);
+        }
         dup->baseClip()->removeReference();
         m_document->updateClip(dup->baseClip()->getId());
         scene()->removeItem(dup);
         delete dup;
+        dup = NULL;
 
         ItemInfo clipinfo = item->info();
         clipinfo.track = m_document->tracksCount() - clipinfo.track;
@@ -1988,11 +2165,13 @@ ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, boo
         if (success) {
             item->resizeEnd((int) info.endPos.frames(m_document->fps()));
             setDocumentModified();
-        } else
+        } else {
             emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        }
         KdenliveSettings::setSnaptopoints(snap);
+        if (execute && selected)
+            emit clipItemSelected(item);
         return item;
-
     }
     //QTimer::singleShot(3000, this, SLOT(slotEnableRefresh()));
 }
@@ -2144,6 +2323,7 @@ void CustomTrackView::slotTransitionUpdated(Transition *tr, QDomElement old)
         return;
     }
     EditTransitionCommand *command = new EditTransitionCommand(this, tr->track(), tr->startPos(), old, xml, false);
+    updateTrackDuration(tr->track(), command);
     m_commandStack->push(command);
     setDocumentModified();
 }
@@ -2155,8 +2335,10 @@ void CustomTrackView::updateTransition(int track, GenTime pos, QDomElement oldTr
         kWarning() << "Unable to find transition at pos :" << pos.frames(m_document->fps()) << ", ON track: " << track;
         return;
     }
+    
     bool force = false;
-    if (oldTransition.attribute("transition_atrack") != transition.attribute("transition_atrack") || oldTransition.attribute("transition_btrack") != transition.attribute("transition_btrack")) force = true;
+    if (oldTransition.attribute("transition_atrack") != transition.attribute("transition_atrack") || oldTransition.attribute("transition_btrack") != transition.attribute("transition_btrack"))
+        force = true;
     m_document->renderer()->mltUpdateTransition(oldTransition.attribute("tag"), transition.attribute("tag"), transition.attribute("transition_btrack").toInt(), m_document->tracksCount() - transition.attribute("transition_atrack").toInt(), item->startPos(), item->endPos(), transition, force);
     //kDebug() << "ORIGINAL TRACK: "<< oldTransition.attribute("transition_btrack") << ", NEW TRACK: "<<transition.attribute("transition_btrack");
     item->setTransitionParameters(transition);
@@ -2167,6 +2349,7 @@ void CustomTrackView::updateTransition(int track, GenTime pos, QDomElement oldTr
         if (transitionClip && transitionClip->baseClip()) {
             QString size = transitionClip->baseClip()->getProperty("frame_size");
             double factor = transitionClip->baseClip()->getProperty("aspect_ratio").toDouble();
+            if (factor == 0) factor = 1.0;
             p.setX((int)(size.section('x', 0, 0).toInt() * factor + 0.5));
             p.setY(size.section('x', 1, 1).toInt());
         }
@@ -2236,7 +2419,9 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             if (isLocked) item->setItemLocked(true);
             ItemInfo clipInfo = info;
             clipInfo.track = m_document->tracksCount() - item->track();
-            if (m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->producer(item->track()), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT) == -1) {
+
+            int worked = m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->getProducer(item->track()), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+            if (worked == -1) {
                 emit displayMessage(i18n("Cannot insert clip in timeline"), ErrorMessage);
                 brokenClips.append(item);
                 continue;
@@ -2244,6 +2429,7 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             adjustTimelineClips(m_scene->editMode(), item, ItemInfo(), addCommand);
 
             new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, false, false, addCommand);
+            updateTrackDuration(info.track, addCommand);
 
             if (item->baseClip()->isTransparent() && getTransitionItemAtStart(info.startPos, info.track) == NULL) {
                 // add transparency transition
@@ -2256,10 +2442,14 @@ void CustomTrackView::dropEvent(QDropEvent * event)
         brokenClips.clear();
         if (addCommand->childCount() > 0) m_commandStack->push(addCommand);
         else delete addCommand;
+
+        // Automatic audio split
+        if (KdenliveSettings::splitaudio())
+            splitAudio();
         setDocumentModified();
 
         /*
-        // debug info
+        // debug info
         QRectF rect(0, 1 * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), 2);
         QList<QGraphicsItem *> selection = m_scene->items(rect);
         QStringList timelineList;
@@ -2277,7 +2467,12 @@ void CustomTrackView::dropEvent(QDropEvent * event)
         */
 
         m_pasteEffectsAction->setEnabled(m_copiedItems.count() == 1);
-        if (items.count() > 1) groupSelectedItems(true);
+        if (items.count() > 1) {
+            groupSelectedItems(true);
+        } else if (items.count() == 1) {
+            m_dragItem = static_cast <AbstractClipItem *>(items.at(0));
+            emit clipItemSelected((ClipItem*)m_dragItem, -1, false);
+        }
         event->setDropAction(Qt::MoveAction);
         event->accept();
     } else QGraphicsView::dropEvent(event);
@@ -2325,6 +2520,7 @@ void CustomTrackView::adjustTimelineClips(EDITMODE mode, ClipItem *item, ItemInf
                     }
                 } else if (clip->endPos() <= info.endPos) {
                     new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), clip->info(), clip->effectList(), false, false, false, true, command);
+                    m_waitingThumbs.removeAll(clip);
                     scene()->removeItem(clip);
                     delete clip;
                     clip = NULL;
@@ -2467,6 +2663,7 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
         m_selectionGroup->translate(0, m_tracksHeight);
 
         // adjust track number
+        Mlt::Tractor *tractor = m_document->renderer()->lockService();
         QList<QGraphicsItem *> children = m_selectionGroup->childItems();
         for (int i = 0; i < children.count(); i++) {
             if (children.at(i)->type() == GROUPWIDGET) {
@@ -2483,11 +2680,8 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
                 if (clip->speed() != 1.0) continue;
                 // We add a move clip command so that we get the correct producer for new track number
                 if (clip->clipType() == AV || clip->clipType() == AUDIO) {
-                    Mlt::Producer *prod;
-                    if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
-                    else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                    else prod = clip->baseClip()->producer(clipinfo.track);
-                    if (m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod) == false) {
+                    Mlt::Producer *prod = clip->getProducer(clipinfo.track);
+                    if (m_document->renderer()->mltUpdateClipProducer(tractor, (int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod) == false) {
                         // problem updating clip
                         emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", clipinfo.startPos.frames(m_document->fps()), clipinfo.track), ErrorMessage);
                     }
@@ -2501,6 +2695,7 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
             }
         }
         resetSelectionGroup(false);
+        m_document->renderer()->unlockService(tractor);
     }
 
     int maxHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
@@ -2509,12 +2704,14 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
+
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight - 1);
     setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
     viewport()->update();
-    emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
     //setFixedHeight(50 * m_tracksCount);
+
+    updateTrackNames(ix, true);
 }
 
 void CustomTrackView::removeTrack(int ix)
@@ -2540,6 +2737,7 @@ void CustomTrackView::removeTrack(int ix)
     // Move graphic items
     qreal ydiff = 0 - (int) m_tracksHeight;
     m_selectionGroup->translate(0, ydiff);
+    Mlt::Tractor *tractor = m_document->renderer()->lockService();
 
     // adjust track number
     QList<QGraphicsItem *> children = m_selectionGroup->childItems();
@@ -2555,12 +2753,9 @@ void CustomTrackView::removeTrack(int ix)
             clip->updateItem();
             ItemInfo clipinfo = clip->info();
             // We add a move clip command so that we get the correct producer for new track number
-            if (clip->clipType() == AV || clip->clipType() == AUDIO) {
-                Mlt::Producer *prod;
-                if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
-                else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                else prod = clip->baseClip()->producer(clipinfo.track);
-                if (!m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod)) {
+            if (clip->clipType() == AV || clip->clipType() == AUDIO || clip->clipType() == PLAYLIST) {
+                Mlt::Producer *prod = clip->getProducer(clipinfo.track);
+                if (prod == NULL || !m_document->renderer()->mltUpdateClipProducer(tractor, (int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod)) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", clipinfo.startPos.frames(m_document->fps()), clipinfo.track), ErrorMessage);
                 }
             }
@@ -2575,6 +2770,7 @@ void CustomTrackView::removeTrack(int ix)
         }
     }
     resetSelectionGroup(false);
+    m_document->renderer()->unlockService(tractor);
 
     int maxHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
     for (int i = 0; i < m_guides.count(); i++) {
@@ -2582,25 +2778,28 @@ void CustomTrackView::removeTrack(int ix)
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight - 1);
     setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
 
     m_selectedTrack = qMin(m_selectedTrack, m_document->tracksCount() - 1);
     viewport()->update();
-    emit tracksChanged();
+
+    updateTrackNames(ix, false);
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
 }
 
-void CustomTrackView::changeTrack(int ix, TrackInfo type)
+void CustomTrackView::configTracks(QList < TrackInfo > trackInfos)
 {
-    int tracknumber = m_document->tracksCount() - ix;
-    m_document->setTrackType(tracknumber - 1, type);
-    m_document->renderer()->mltChangeTrackState(tracknumber, m_document->trackInfoAt(tracknumber - 1).isMute, m_document->trackInfoAt(tracknumber - 1).isBlind);
-    QTimer::singleShot(300, this, SIGNAL(trackHeightChanged()));
+    for (int i = 0; i < trackInfos.count(); ++i) {
+        m_document->setTrackType(i, trackInfos.at(i));
+        m_document->renderer()->mltChangeTrackState(i + 1, m_document->trackInfoAt(i).isMute, m_document->trackInfoAt(i).isBlind);
+        lockTrack(m_document->tracksCount() - i - 1, m_document->trackInfoAt(i).isLocked, false);
+    }
+
     viewport()->update();
+    emit trackHeightChanged();
 }
 
-
 void CustomTrackView::slotSwitchTrackAudio(int ix)
 {
     /*for (int i = 0; i < m_document->tracksCount(); i++)
@@ -2620,20 +2819,71 @@ void CustomTrackView::slotSwitchTrackLock(int ix)
 }
 
 
-void CustomTrackView::lockTrack(int ix, bool lock)
+void CustomTrackView::lockTrack(int ix, bool lock, bool requestUpdate)
 {
     int tracknumber = m_document->tracksCount() - ix - 1;
     m_document->switchTrackLock(tracknumber, lock);
-    emit doTrackLock(ix, lock);
+    if (requestUpdate)
+        emit doTrackLock(ix, lock);
+    AbstractClipItem *clip = NULL;
     QList<QGraphicsItem *> selection = m_scene->items(0, ix * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), m_tracksHeight / 2 - 2);
 
     for (int i = 0; i < selection.count(); i++) {
-        if (selection.at(i)->type() != AVWIDGET && selection.at(i)->type() != TRANSITIONWIDGET) continue;
-        if (selection.at(i)->isSelected()) {
-            if (selection.at(i)->type() == AVWIDGET) emit clipItemSelected(NULL);
-            else emit transitionItemSelected(NULL);
+        if (selection.at(i)->type() == GROUPWIDGET && (AbstractGroupItem *)selection.at(i) != m_selectionGroup) {
+            if (selection.at(i)->parentItem() && m_selectionGroup) {
+                selection.removeAll((QGraphicsItem*)m_selectionGroup);
+                resetSelectionGroup();
+            }
+
+            bool changeGroupLock = true;
+            bool hasClipOnTrack = false;
+            QList <QGraphicsItem *> children =  selection.at(i)->childItems();
+            for (int j = 0; j < children.count(); ++j) {
+                if (children.at(j)->isSelected()) {
+                    if (children.at(j)->type() == AVWIDGET)
+                        emit clipItemSelected(NULL);
+                    else if (children.at(j)->type() == TRANSITIONWIDGET)
+                        emit transitionItemSelected(NULL);
+                    else
+                        continue;
+                }
+
+                AbstractClipItem * child = static_cast <AbstractClipItem *>(children.at(j));
+                if (child == m_dragItem)
+                    m_dragItem = NULL;
+
+                // only unlock group, if it is not locked by another track too
+                if (!lock && child->track() != ix && m_document->trackInfoAt(m_document->tracksCount() - child->track() - 1).isLocked)
+                    changeGroupLock = false;
+                
+                // only (un-)lock if at least one clip is on the track
+                if (child->track() == ix)
+                    hasClipOnTrack = true;
+            }
+            if (changeGroupLock && hasClipOnTrack)
+                ((AbstractGroupItem*)selection.at(i))->setItemLocked(lock);
+        } else if((selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET)) {
+            if (selection.at(i)->parentItem()) {
+                if (selection.at(i)->parentItem() == m_selectionGroup) {
+                    selection.removeAll((QGraphicsItem*)m_selectionGroup);
+                    resetSelectionGroup();
+                } else {
+                    // groups are handled separately
+                    continue;
+                }
+            }
+
+            if (selection.at(i)->isSelected()) {
+                if (selection.at(i)->type() == AVWIDGET)
+                    emit clipItemSelected(NULL);
+                else
+                    emit transitionItemSelected(NULL);
+            }
+            clip = static_cast <AbstractClipItem *>(selection.at(i));
+            clip->setItemLocked(lock);
+            if (clip == m_dragItem)
+                m_dragItem = NULL;
         }
-        static_cast <AbstractClipItem *>(selection.at(i))->setItemLocked(lock);
     }
     kDebug() << "NEXT TRK STATE: " << m_document->trackInfoAt(tracknumber).isLocked;
     viewport()->update();
@@ -2673,21 +2923,32 @@ void CustomTrackView::slotRemoveSpace()
     int track = 0;
     if (m_menuPosition.isNull()) {
         pos = GenTime(cursorPos(), m_document->fps());
-        bool ok;
-        track = QInputDialog::getInteger(this, i18n("Remove Space"), i18n("Track"), 0, 0, m_document->tracksCount() - 1, 1, &ok);
-        if (!ok) return;
+
+        TrackDialog d(m_document, parentWidget());
+        d.comboTracks->setCurrentIndex(m_selectedTrack);
+        d.label->setText(i18n("Track"));
+        d.before_select->setHidden(true);
+        d.setWindowTitle(i18n("Remove Space"));
+        d.video_track->setHidden(true);
+        d.audio_track->setHidden(true);
+        if (d.exec() != QDialog::Accepted) return;
+        track = d.comboTracks->currentIndex();
     } else {
         pos = GenTime((int)(mapToScene(m_menuPosition).x()), m_document->fps());
         track = (int)(mapToScene(m_menuPosition).y() / m_tracksHeight);
     }
 
+    if (m_document->isTrackLocked(m_document->tracksCount() - track - 1)) {
+        emit displayMessage(i18n("Cannot remove space in a locked track"), ErrorMessage);
+        return;
+    }
+
     ClipItem *item = getClipItemAt(pos, track);
     if (item) {
         emit displayMessage(i18n("You must be in an empty space to remove space (time: %1, track: %2)", m_document->timecode().getTimecodeFromFrames(mapToScene(m_menuPosition).x()), track), ErrorMessage);
         return;
     }
     int length = m_document->renderer()->mltGetSpaceLength(pos, m_document->tracksCount() - track, true);
-    //kDebug() << "// GOT LENGT; " << length;
     if (length <= 0) {
         emit displayMessage(i18n("You must be in an empty space to remove space (time: %1, track: %2)", m_document->timecode().getTimecodeFromFrames(mapToScene(m_menuPosition).x()), track), ErrorMessage);
         return;
@@ -2719,7 +2980,40 @@ void CustomTrackView::slotRemoveSpace()
         }
     }
 
+    if (!transitionsToMove.isEmpty()) {
+        // Make sure that by moving the items, we don't get a transition collision
+        // Find first transition
+        ItemInfo info = transitionsToMove.at(0);
+        for (int i = 1; i < transitionsToMove.count(); i++)
+            if (transitionsToMove.at(i).startPos < info.startPos) info = transitionsToMove.at(i);
+
+        // make sure there are no transitions on the way
+        QRectF rect(info.startPos.frames(m_document->fps()) - length, track * m_tracksHeight + m_tracksHeight / 2, length - 1, m_tracksHeight / 2 - 2);
+        items = scene()->items(rect);
+        int transitionCorrection = -1;
+        for (int i = 0; i < items.count(); i++) {
+            if (items.at(i)->type() == TRANSITIONWIDGET) {
+                // There is a transition on the way
+                AbstractClipItem *item = static_cast <AbstractClipItem *>(items.at(i));
+                int transitionEnd = item->endPos().frames(m_document->fps());
+                if (transitionEnd > transitionCorrection) transitionCorrection = transitionEnd;
+            }
+        }
+
+        if (transitionCorrection > 0) {
+            // We need to fix the move length
+            length = info.startPos.frames(m_document->fps()) - transitionCorrection;
+        }
+            
+        // Make sure we don't send transition before 0
+        if (info.startPos.frames(m_document->fps()) < length) {
+            // reduce length to maximum possible
+            length = info.startPos.frames(m_document->fps());
+        }           
+    }
+
     InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, GenTime(-length, m_document->fps()), true);
+    updateTrackDuration(track, command);
     m_commandStack->push(command);
 }
 
@@ -2733,22 +3027,33 @@ void CustomTrackView::slotInsertSpace()
         pos = GenTime((int)(mapToScene(m_menuPosition).x()), m_document->fps());
         track = (int)(mapToScene(m_menuPosition).y() / m_tracksHeight) + 1;
     }
-    SpacerDialog d(GenTime(65, m_document->fps()), m_document->timecode(), track, m_document->tracksCount(), this);
+    SpacerDialog d(GenTime(65, m_document->fps()), m_document->timecode(), track, m_document->tracksList(), this);
     if (d.exec() != QDialog::Accepted) return;
     GenTime spaceDuration = d.selectedDuration();
     track = d.selectedTrack();
 
-    ClipItem *item = getClipItemAt(pos, track);
-    if (item) pos = item->startPos();
+    QList<QGraphicsItem *> items;
+    if (track >= 0) {
+        if (m_document->isTrackLocked(m_document->tracksCount() - track - 1)) {
+            emit displayMessage(i18n("Cannot insert space in a locked track"), ErrorMessage);
+            return;
+        }
 
-    // Make sure there is no group in the way
-    QRectF rect(pos.frames(m_document->fps()), track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width() - pos.frames(m_document->fps()), m_tracksHeight / 2 - 2);
-    bool isOk;
-    QList<QGraphicsItem *> items = checkForGroups(rect, &isOk);
-    if (!isOk) {
-        // groups found on track, do not allow the move
-        emit displayMessage(i18n("Cannot insert space in a track with a group"), ErrorMessage);
-        return;
+        ClipItem *item = getClipItemAt(pos, track);
+        if (item) pos = item->startPos();
+
+        // Make sure there is no group in the way
+        QRectF rect(pos.frames(m_document->fps()), track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width() - pos.frames(m_document->fps()), m_tracksHeight / 2 - 2);
+        bool isOk;
+        items = checkForGroups(rect, &isOk);
+        if (!isOk) {
+            // groups found on track, do not allow the move
+            emit displayMessage(i18n("Cannot insert space in a track with a group"), ErrorMessage);
+            return;
+        }
+    } else {
+        QRectF rect(pos.frames(m_document->fps()), 0, sceneRect().width() - pos.frames(m_document->fps()), m_document->tracksCount() * m_tracksHeight);
+        items = scene()->items(rect);
     }
 
     QList<ItemInfo> clipsToMove;
@@ -2758,19 +3063,21 @@ void CustomTrackView::slotInsertSpace()
         if (items.at(i)->type() == AVWIDGET || items.at(i)->type() == TRANSITIONWIDGET) {
             AbstractClipItem *item = static_cast <AbstractClipItem *>(items.at(i));
             ItemInfo info = item->info();
-            if (item->type() == AVWIDGET) {
+            if (item->type() == AVWIDGET)
                 clipsToMove.append(info);
-            } else if (item->type() == TRANSITIONWIDGET) {
+            else if (item->type() == TRANSITIONWIDGET)
                 transitionsToMove.append(info);
-            }
         }
     }
 
-    InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, spaceDuration, true);
-    m_commandStack->push(command);
+    if (!clipsToMove.isEmpty() || !transitionsToMove.isEmpty()) {
+        InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, spaceDuration, true);
+        updateTrackDuration(track, command);
+        m_commandStack->push(command);
+    }
 }
 
-void CustomTrackView::insertSpace(QList<ItemInfo> clipsToMove, QList<ItemInfo> transToMove, int track, const GenTime duration, const GenTime offset)
+void CustomTrackView::insertSpace(QList<ItemInfo> clipsToMove, QList<ItemInfo> transToMove, int track, const GenTime &duration, const GenTime &offset)
 {
     int diff = duration.frames(m_document->fps());
     resetSelectionGroup();
@@ -2835,7 +3142,8 @@ void CustomTrackView::insertSpace(QList<ItemInfo> clipsToMove, QList<ItemInfo> t
         }
     }
     resetSelectionGroup(false);
-    if (track != -1) track = m_document->tracksCount() - track;
+    if (track != -1)
+        track = m_document->tracksCount() - track;
     m_document->renderer()->mltInsertSpace(trackClipStartList, trackTransitionStartList, track, duration, offset);
 }
 
@@ -2859,8 +3167,12 @@ void CustomTrackView::deleteClip(const QString &clipId)
         }
     }
     deleteCommand->setText(i18np("Delete timeline clip", "Delete timeline clips", count));
-    if (count == 0) delete deleteCommand;
-    else m_commandStack->push(deleteCommand);
+    if (count == 0) {
+        delete deleteCommand;
+    } else {
+        updateTrackDuration(-1, deleteCommand);
+        m_commandStack->push(deleteCommand);
+    }
 }
 
 void CustomTrackView::setCursorPos(int pos, bool seek)
@@ -2868,7 +3180,7 @@ void CustomTrackView::setCursorPos(int pos, bool seek)
     if (pos == m_cursorPos) return;
     emit cursorMoved((int)(m_cursorPos), (int)(pos));
     m_cursorPos = pos;
-    if (seek) m_document->renderer()->seek(GenTime(m_cursorPos, m_document->fps()));
+    if (seek) m_document->renderer()->seek(m_cursorPos);
     else if (m_autoScroll) checkScrolling();
     m_cursorLine->setPos(m_cursorPos, 0);
 }
@@ -2889,7 +3201,7 @@ void CustomTrackView::moveCursorPos(int delta)
     emit cursorMoved((int)(m_cursorPos), (int)((m_cursorPos + delta)));
     m_cursorPos += delta;
     m_cursorLine->setPos(m_cursorPos, 0);
-    m_document->renderer()->seek(GenTime(m_cursorPos, m_document->fps()));
+    m_document->renderer()->seek(m_cursorPos);
 }
 
 void CustomTrackView::initCursorPos(int pos)
@@ -2978,17 +3290,19 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                         trackTransitionStartList[m_document->tracksCount() - info.track] = info.startPos.frames(m_document->fps());
                 }
             }
-
-            InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, timeOffset, false);
-            m_commandStack->push(command);
-            if (track != -1) track = m_document->tracksCount() - track;
-            kDebug() << "SPACER TRACK:" << track;
-            m_document->renderer()->mltInsertSpace(trackClipStartList, trackTransitionStartList, track, timeOffset, GenTime());
+            if (!clipsToMove.isEmpty() || !transitionsToMove.isEmpty()) {
+                InsertSpaceCommand *command = new InsertSpaceCommand(this, clipsToMove, transitionsToMove, track, timeOffset, false);
+                updateTrackDuration(track, command);
+                m_commandStack->push(command);
+                if (track != -1) track = m_document->tracksCount() - track;
+                kDebug() << "SPACER TRACK:" << track;
+                m_document->renderer()->mltInsertSpace(trackClipStartList, trackTransitionStartList, track, timeOffset, GenTime());
+                setDocumentModified();
+            }
         }
         resetSelectionGroup(false);
         m_operationMode = NONE;
     } else if (m_operationMode == RUBBERSELECTION) {
-        //kDebug() << "// END RUBBER SELECT";
         resetSelectionGroup();
         groupSelectedItems();
         m_operationMode = NONE;
@@ -3007,11 +3321,8 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             // we are moving one clip, easy
             if (m_dragItem->type() == AVWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
                 ClipItem *item = static_cast <ClipItem *>(m_dragItem);
-                Mlt::Producer *prod;
-                if (item->isAudioOnly()) prod = item->baseClip()->audioProducer(m_dragItemInfo.track);
-                else if (item->isVideoOnly()) prod = item->baseClip()->videoProducer();
-                else prod = item->baseClip()->producer(m_dragItemInfo.track);
-                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(m_dragItem->startPos().frames(m_document->fps())), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+                Mlt::Producer *prod = item->getProducer(info.track);
+                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - info.track), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(info.startPos.frames(m_document->fps())), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
 
                 if (success) {
                     QUndoCommand *moveCommand = new QUndoCommand();
@@ -3121,6 +3432,9 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                             }
                         }
                     }
+                    updateTrackDuration(info.track, moveCommand);
+                    if (m_dragItemInfo.track != info.track)
+                        updateTrackDuration(m_dragItemInfo.track, moveCommand);
                     m_commandStack->push(moveCommand);
                     //checkTrackSequence(m_dragItem->track());
                 } else {
@@ -3132,8 +3446,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     emit displayMessage(i18n("Cannot move clip to position %1", m_document->timecode().getTimecodeFromFrames(m_dragItemInfo.startPos.frames(m_document->fps()))), ErrorMessage);
                 }
                 setDocumentModified();
-            }
-            if (m_dragItem->type() == TRANSITIONWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
+            } else if (m_dragItem->type() == TRANSITIONWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
                 Transition *transition = static_cast <Transition *>(m_dragItem);
                 transition->updateTransitionEndTrack(getPreviousVideoTrack(m_dragItem->track()));
                 if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
@@ -3145,13 +3458,21 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     moveCommand->setText(i18n("Move transition"));
                     adjustTimelineTransitions(m_scene->editMode(), transition, moveCommand);
                     new MoveTransitionCommand(this, m_dragItemInfo, info, false, moveCommand);
+                    updateTrackDuration(info.track, moveCommand);
+                    if (m_dragItemInfo.track != info.track)
+                        updateTrackDuration(m_dragItemInfo.track, moveCommand);
                     m_commandStack->push(moveCommand);
+                    setDocumentModified();
                 }
             }
         } else {
             // Moving several clips. We need to delete them and readd them to new position,
             // or they might overlap each other during the move
-            QGraphicsItemGroup *group = static_cast <QGraphicsItemGroup *>(m_dragItem->parentItem());
+            QGraphicsItemGroup *group;
+            if (m_selectionGroup)
+                group = static_cast <QGraphicsItemGroup *>(m_selectionGroup);
+            else
+                group = static_cast <QGraphicsItemGroup *>(m_dragItem->parentItem());
             QList<QGraphicsItem *> items = group->childItems();
 
             QList<ItemInfo> clipsToMove;
@@ -3159,7 +3480,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 
             GenTime timeOffset = GenTime(m_dragItem->scenePos().x(), m_document->fps()) - m_dragItemInfo.startPos;
             const int trackOffset = (int)(m_dragItem->scenePos().y() / m_tracksHeight) - m_dragItemInfo.track;
-            //kDebug() << "// MOVED SEVERAL CLIPS" << timeOffset.frames(25);
+
             QUndoCommand *moveGroup = new QUndoCommand();
             moveGroup->setText(i18n("Move group"));
             if (timeOffset != GenTime() || trackOffset != 0) {
@@ -3206,15 +3527,12 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 
                     if (item->type() == AVWIDGET) {
                         ClipItem *clip = static_cast <ClipItem*>(item);
+                        int trackProducer = info.track;
                         info.track = m_document->tracksCount() - info.track;
-                        Mlt::Producer *prod;
                         adjustTimelineClips(m_scene->editMode(), clip, ItemInfo(), moveGroup);
-                        if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(info.track);
-                        else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                        else prod = clip->baseClip()->producer(info.track);
-                        m_document->renderer()->mltInsertClip(info, clip->xml(), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
+                        m_document->renderer()->mltInsertClip(info, clip->xml(), clip->getProducer(trackProducer), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
                         for (int i = 0; i < clip->effectsCount(); i++) {
-                            m_document->renderer()->mltAddEffect(info.track, info.startPos, clip->getEffectArgs(clip->effectAt(i)), false);
+                            m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(clip->effectAt(i)), false);
                         }
                     } else {
                         Transition *tr = static_cast <Transition*>(item);
@@ -3227,8 +3545,8 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                         m_document->renderer()->mltAddTransition(tr->transitionTag(), newTrack, m_document->tracksCount() - info.track, info.startPos, info.endPos, tr->toXML());
                     }
                 }
-
                 new MoveGroupCommand(this, clipsToMove, transitionsToMove, timeOffset, trackOffset, false, moveGroup);
+                updateTrackDuration(-1, moveGroup);
                 m_commandStack->push(moveGroup);
 
                 //QPointF top = group->sceneBoundingRect().topLeft();
@@ -3239,6 +3557,25 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                 if (m_selectionGroup) {
                     m_selectionGroupInfo.startPos = GenTime(m_selectionGroup->scenePos().x(), m_document->fps());
                     m_selectionGroupInfo.track = m_selectionGroup->track();
+
+                    for (int i = 0; i < items.count(); ++i) {
+                        if (items.at(i)->type() == GROUPWIDGET) {
+                            rebuildGroup((AbstractGroupItem*)items.at(i));
+                            items.removeAt(i);
+                            --i;
+                        }
+                    }
+                    for (int i = 0; i < items.count(); ++i) {
+                        if (items.at(i)) {
+                            items.at(i)->setSelected(true);
+                            if (items.at(i)->parentItem())
+                                items.at(i)->parentItem()->setSelected(true);
+                        }
+                    }
+                    resetSelectionGroup();
+                    groupSelectedItems();
+                } else {
+                    rebuildGroup((AbstractGroupItem *)group);
                 }
                 setDocumentModified();
             }
@@ -3246,194 +3583,53 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
         m_document->renderer()->doRefresh();
     } else if (m_operationMode == RESIZESTART && m_dragItem->startPos() != m_dragItemInfo.startPos) {
         // resize start
-        if (m_dragItem->type() == AVWIDGET) {
-            ItemInfo resizeinfo = m_dragItemInfo;
-            resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
-            bool success = m_document->renderer()->mltResizeClipStart(resizeinfo, m_dragItem->startPos() - m_dragItemInfo.startPos);
-            if (success) {
+        if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+            AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+            if (parent) {
                 QUndoCommand *resizeCommand = new QUndoCommand();
-                resizeCommand->setText(i18n("Resize clip"));
-
-                // Check if there is an automatic transition on that clip (lower track)
-                Transition *transition = getTransitionItemAtStart(m_dragItemInfo.startPos, m_dragItemInfo.track);
-                if (transition && transition->isAutomatic()) {
-                    ItemInfo trInfo = transition->info();
-                    ItemInfo newTrInfo = trInfo;
-                    newTrInfo.startPos = m_dragItem->startPos();
-                    if (newTrInfo.startPos < newTrInfo.endPos)
-                        new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
-                }
-                // Check if there is an automatic transition on that clip (upper track)
-                transition = getTransitionItemAtStart(m_dragItemInfo.startPos, m_dragItemInfo.track - 1);
-                if (transition && transition->isAutomatic() && (m_document->tracksCount() - transition->transitionEndTrack()) == m_dragItemInfo.track) {
-                    ItemInfo trInfo = transition->info();
-                    ItemInfo newTrInfo = trInfo;
-                    newTrInfo.startPos = m_dragItem->startPos();
-                    ClipItem * upperClip = getClipItemAt(m_dragItemInfo.startPos, m_dragItemInfo.track - 1);
-                    if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.startPos < newTrInfo.endPos) {
-                        new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                resizeCommand->setText(i18n("Resize group"));
+                QList <QGraphicsItem *> items = parent->childItems();
+                QList <ItemInfo> infos = parent->resizeInfos();
+                parent->clearResizeInfos();
+                int itemcount = 0;
+                for (int i = 0; i < items.count(); ++i) {
+                    AbstractClipItem *item = static_cast<AbstractClipItem *>(items.at(i));
+                    if (item && item->type() == AVWIDGET) {
+                        ItemInfo info = infos.at(itemcount);
+                        prepareResizeClipStart(item, info, item->startPos().frames(m_document->fps()), false, resizeCommand);
+                        ++itemcount;
                     }
                 }
-
-                ClipItem *clip = static_cast < ClipItem * >(m_dragItem);
-                updatePositionEffects(clip, m_dragItemInfo);
-
-                // check keyframes
-                QDomDocument doc;
-                QDomElement root = doc.createElement("list");
-                doc.appendChild(root);
-                QList <int> indexes;
-                for (int i = 0; i < clip->effectsCount(); i++) {
-                    QDomElement effect = clip->effectAt(i);
-                    if (EffectsList::hasKeyFrames(effect)) {
-                        doc.appendChild(doc.importNode(effect, true));
-                        indexes.append(i);
-                    }
-                }
-
-                if (clip->checkEffectsKeyframesPos(m_dragItemInfo.cropStart.frames(m_document->fps()), clip->cropStart().frames(m_document->fps()), true)) {
-                    // Keyframes were modified, updateClip
-                    QDomNodeList effs = doc.elementsByTagName("effect");
-                    // Hack:
-                    // Since we must always resize clip before updating the keyframes, we
-                    // put a resize command before & after checking keyframes so that
-                    // we are sure the resize is performed before whenever we do or undo the action
-
-                    new ResizeClipCommand(this, m_dragItemInfo, info, false, true, resizeCommand);
-                    for (int i = 0; i < indexes.count(); i++) {
-                        new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, resizeCommand);
-                        updateEffect(m_document->tracksCount() - clip->track(), clip->startPos(), clip->effectAt(indexes.at(i)), indexes.at(i));
-                    }
-                    new ResizeClipCommand(this, m_dragItemInfo, info, false, true, resizeCommand);
-                    emit clipItemSelected(clip);
-                } else new ResizeClipCommand(this, m_dragItemInfo, info, false, false, resizeCommand);
-
                 m_commandStack->push(resizeCommand);
-            } else {
-                bool snap = KdenliveSettings::snaptopoints();
-                KdenliveSettings::setSnaptopoints(false);
-                m_dragItem->resizeStart((int) m_dragItemInfo.startPos.frames(m_document->fps()));
-                KdenliveSettings::setSnaptopoints(snap);
-                emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
-            }
-        } else if (m_dragItem->type() == TRANSITIONWIDGET) {
-            Transition *transition = static_cast <Transition *>(m_dragItem);
-            if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItemInfo.track), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
-                // Cannot resize transition
-                bool snap = KdenliveSettings::snaptopoints();
-                KdenliveSettings::setSnaptopoints(false);
-                transition->resizeStart((int) m_dragItemInfo.startPos.frames(m_document->fps()));
-                KdenliveSettings::setSnaptopoints(snap);
-                emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
-            } else {
-                MoveTransitionCommand *command = new MoveTransitionCommand(this, m_dragItemInfo, info, false);
-                m_commandStack->push(command);
             }
-
-        }
-        if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
-            // Item was resized, rebuild group;
-            AbstractGroupItem *group = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
-            QList <QGraphicsItem *> children = group->childItems();
-            m_document->clipManager()->removeGroup(group);
-            scene()->destroyItemGroup(group);
-            for (int i = 0; i < children.count(); i++) {
-                children.at(i)->setSelected(true);
-            }
-            groupSelectedItems(false, true);
+        } else {
+            prepareResizeClipStart(m_dragItem, m_dragItemInfo, m_dragItem->startPos().frames(m_document->fps()));
         }
-        //m_document->renderer()->doRefresh();
     } else if (m_operationMode == RESIZEEND && m_dragItem->endPos() != m_dragItemInfo.endPos) {
         // resize end
-        if (m_dragItem->type() == AVWIDGET) {
-            ItemInfo resizeinfo = info;
-            resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
-            bool success = m_document->renderer()->mltResizeClipEnd(resizeinfo, resizeinfo.endPos - resizeinfo.startPos);
-            if (success) {
+        if (!m_controlModifier && m_dragItem->type() == AVWIDGET && m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
+            AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
+            if (parent) {
                 QUndoCommand *resizeCommand = new QUndoCommand();
-                resizeCommand->setText(i18n("Resize clip"));
-
-                // Check if there is an automatic transition on that clip (lower track)
-                Transition *tr = getTransitionItemAtEnd(m_dragItemInfo.endPos, m_dragItemInfo.track);
-                if (tr && tr->isAutomatic()) {
-                    ItemInfo trInfo = tr->info();
-                    ItemInfo newTrInfo = trInfo;
-                    newTrInfo.endPos = m_dragItem->endPos();
-                    if (newTrInfo.endPos > newTrInfo.startPos) new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
-                }
-
-                // Check if there is an automatic transition on that clip (upper track)
-                tr = getTransitionItemAtEnd(m_dragItemInfo.endPos, m_dragItemInfo.track - 1);
-                if (tr && tr->isAutomatic() && (m_document->tracksCount() - tr->transitionEndTrack()) == m_dragItemInfo.track) {
-                    ItemInfo trInfo = tr->info();
-                    ItemInfo newTrInfo = trInfo;
-                    newTrInfo.endPos = m_dragItem->endPos();
-                    ClipItem * upperClip = getClipItemAtEnd(m_dragItemInfo.endPos, m_dragItemInfo.track - 1);
-                    if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.endPos > newTrInfo.startPos) {
-                        new MoveTransitionCommand(this, trInfo, newTrInfo, true, resizeCommand);
+                resizeCommand->setText(i18n("Resize group"));
+                QList <QGraphicsItem *> items = parent->childItems();
+                QList <ItemInfo> infos = parent->resizeInfos();
+                parent->clearResizeInfos();
+                int itemcount = 0;
+                for (int i = 0; i < items.count(); ++i) {
+                    AbstractClipItem *item = static_cast<AbstractClipItem *>(items.at(i));
+                    if (item && item->type() == AVWIDGET) {
+                        ItemInfo info = infos.at(itemcount);
+                        prepareResizeClipEnd(item, info, item->endPos().frames(m_document->fps()), false, resizeCommand);
+                        ++itemcount;
                     }
                 }
-
-                // check keyframes
-                ClipItem *clip = static_cast < ClipItem * >(m_dragItem);
-                QDomDocument doc;
-                QDomElement root = doc.createElement("list");
-                doc.appendChild(root);
-                QList <int> indexes;
-                for (int i = 0; i < clip->effectsCount(); i++) {
-                    QDomElement effect = clip->effectAt(i);
-                    if (EffectsList::hasKeyFrames(effect)) {
-                        doc.appendChild(doc.importNode(effect, true));
-                        indexes.append(i);
-                    }
-                }
-
-                if (clip->checkEffectsKeyframesPos((m_dragItemInfo.cropStart + m_dragItemInfo.endPos - m_dragItemInfo.startPos).frames(m_document->fps()) - 1, (clip->cropStart() + clip->cropDuration()).frames(m_document->fps()) - 1, false)) {
-                    // Keyframes were modified, updateClip
-                    QDomNodeList effs = doc.elementsByTagName("effect");
-                    // Hack:
-                    // Since we must always resize clip before updating the keyframes, we
-                    // put a resize command before & after checking keyframes so that
-                    // we are sure the resize is performed before whenever we do or undo the action
-
-                    new ResizeClipCommand(this, m_dragItemInfo, info, false, true, resizeCommand);
-                    for (int i = 0; i < indexes.count(); i++) {
-                        new EditEffectCommand(this, m_document->tracksCount() - clip->track(), clip->startPos(), effs.at(i).cloneNode().toElement(), clip->effectAt(indexes.at(i)), indexes.at(i), false, resizeCommand);
-                        updateEffect(m_document->tracksCount() - clip->track(), clip->startPos(), clip->effectAt(indexes.at(i)), indexes.at(i));
-                    }
-                    new ResizeClipCommand(this, m_dragItemInfo, info, false, true, resizeCommand);
-                    emit clipItemSelected(clip);
-                } else new ResizeClipCommand(this, m_dragItemInfo, info, false, false, resizeCommand);
-
+                updateTrackDuration(-1, resizeCommand);
                 m_commandStack->push(resizeCommand);
-                updatePositionEffects(clip, m_dragItemInfo);
-            } else {
-                m_dragItem->resizeEnd((int) m_dragItemInfo.endPos.frames(m_document->fps()));
-                emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
-            }
-        } else if (m_dragItem->type() == TRANSITIONWIDGET) {
-            Transition *transition = static_cast <Transition *>(m_dragItem);
-            if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItemInfo.track), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
-                // Cannot resize transition
-                transition->resizeEnd((int) m_dragItemInfo.endPos.frames(m_document->fps()));
-                emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
-            } else {
-                MoveTransitionCommand *command = new MoveTransitionCommand(this, m_dragItemInfo, info, false);
-                m_commandStack->push(command);
             }
+        } else {
+            prepareResizeClipEnd(m_dragItem, m_dragItemInfo, m_dragItem->endPos().frames(m_document->fps()));
         }
-        if (m_dragItem->parentItem() && m_dragItem->parentItem() != m_selectionGroup) {
-            // Item was resized, rebuild group;
-            AbstractGroupItem *group = static_cast <AbstractGroupItem *>(m_dragItem->parentItem());
-            QList <QGraphicsItem *> children = group->childItems();
-            m_document->clipManager()->removeGroup(group);
-            scene()->destroyItemGroup(group);
-            for (int i = 0; i < children.count(); i++) {
-                children.at(i)->setSelected(true);
-            }
-            groupSelectedItems(false, true);
-        }
-        //m_document->renderer()->doRefresh();
     } else if (m_operationMode == FADEIN) {
         // resize fade in effect
         ClipItem * item = static_cast <ClipItem *>(m_dragItem);
@@ -3444,13 +3640,13 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int start = item->cropStart().frames(m_document->fps());
             int end = item->fadeIn();
             if (end == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 end += start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
-                slotUpdateClipEffect(item, effect, oldeffect, ix);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix);
                 emit clipItemSelected(item, ix);
             }
         } else if (item->fadeIn() != 0 && ix2 == -1) {
@@ -3467,13 +3663,13 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int start = item->cropStart().frames(m_document->fps());
             int end = item->fadeIn();
             if (end == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 end += start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
-                slotUpdateClipEffect(item, effect, oldeffect, ix2);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix2);
                 emit clipItemSelected(item, ix2);
             }
         }
@@ -3487,14 +3683,14 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int end = (item->cropDuration() + item->cropStart()).frames(m_document->fps());
             int start = item->fadeOut();
             if (start == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 start = end - start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
                 // kDebug()<<"EDIT FADE OUT : "<<start<<"x"<<end;
-                slotUpdateClipEffect(item, effect, oldeffect, ix);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix);
                 emit clipItemSelected(item, ix);
             }
         } else if (item->fadeOut() != 0 && ix2 == -1) {
@@ -3512,14 +3708,14 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             int end = (item->cropDuration() + item->cropStart()).frames(m_document->fps());
             int start = item->fadeOut();
             if (start == 0) {
-                slotDeleteEffect(item, oldeffect, false);
+                slotDeleteEffect(item, -1, oldeffect, false);
             } else {
                 start = end - start;
                 QDomElement effect = oldeffect.cloneNode().toElement();
                 EffectsList::setParameter(oldeffect, "in", QString::number(start));
                 EffectsList::setParameter(oldeffect, "out", QString::number(end));
                 // kDebug()<<"EDIT FADE OUT : "<<start<<"x"<<end;
-                slotUpdateClipEffect(item, effect, oldeffect, ix2);
+                slotUpdateClipEffect(item, -1, effect, oldeffect, ix2);
                 emit clipItemSelected(item, ix2);
             }
         }
@@ -3535,11 +3731,14 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
         val = (br.bottom() - val) * maxh;
         int start = item->cropStart().frames(m_document->fps());
         int end = (item->cropStart() + item->cropDuration()).frames(m_document->fps()) - 1;
-        if ((val < -50 || val > 150) && item->editedKeyFramePos() != start && item->editedKeyFramePos() != end) {
+
+        if ((val < -50 || val > 150) && item->editedKeyFramePos() != start && item->editedKeyFramePos() != end && item->keyFrameNumber() > 1) {
             //delete keyframe
-            kDebug() << "// DELETE KFR: " << item->editedKeyFramePos();
             item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), -1, 0);
-        } else item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), item->editedKeyFramePos(), item->editedKeyFrameValue());
+        } else {
+            item->movedKeyframe(item->getEffectAt(item->selectedEffectIndex()), item->selectedKeyFramePos(), item->editedKeyFramePos(), item->editedKeyFrameValue());
+        }
+
         QDomElement newEffect = item->selectedEffect().cloneNode().toElement();
         //item->updateKeyframeEffect();
         //QString next = item->keyframes(item->selectedEffectIndex());
@@ -3557,6 +3756,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
         if (transitionClip && transitionClip->baseClip()) {
             QString size = transitionClip->baseClip()->getProperty("frame_size");
             double factor = transitionClip->baseClip()->getProperty("aspect_ratio").toDouble();
+            if (factor == 0) factor = 1.0;
             p.setX((int)(size.section('x', 0, 0).toInt() * factor + 0.5));
             p.setY(size.section('x', 1, 1).toInt());
         }
@@ -3569,11 +3769,18 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 void CustomTrackView::deleteClip(ItemInfo info, bool refresh)
 {
     ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
-
+    m_ct++;
+    if (!item) kDebug()<<"// PROBLEM FINDING CLIP ITEM TO REMOVVE!!!!!!!!!";
+    else kDebug()<<"// deleting CLIP: "<<info.startPos.frames(m_document->fps())<<", "<<item->baseClip()->fileURL();
+    //m_document->renderer()->saveSceneList(QString("/tmp/error%1.mlt").arg(m_ct), QDomElement());
     if (!item || m_document->renderer()->mltRemoveClip(m_document->tracksCount() - info.track, info.startPos) == false) {
         emit displayMessage(i18n("Error removing clip at %1 on track %2", m_document->timecode().getTimecodeFromFrames(info.startPos.frames(m_document->fps())), info.track), ErrorMessage);
+        kDebug()<<"CANNOT REMOVE: "<<info.startPos.frames(m_document->fps())<<", TK: "<<info.track;
+        //m_document->renderer()->saveSceneList(QString("/tmp/error%1.mlt").arg(m_ct), QDomElement());
+        exit(1);
         return;
     }
+    m_waitingThumbs.removeAll(item);
     if (item->isSelected()) emit clipItemSelected(NULL);
     item->baseClip()->removeReference();
     m_document->updateClip(item->baseClip()->getId());
@@ -3587,8 +3794,9 @@ void CustomTrackView::deleteClip(ItemInfo info, bool refresh)
             delete tr;
         }
     }*/
-    m_waitingThumbs.removeAll(item);
+
     if (m_dragItem == item) m_dragItem = NULL;
+
 #if QT_VERSION >= 0x040600
     // animate item deletion
     item->closeAnimation();
@@ -3619,7 +3827,6 @@ void CustomTrackView::deleteSelectedClips()
     scene()->clearSelection();
     QUndoCommand *deleteSelected = new QUndoCommand();
 
-    bool resetGroup = false;
     int groupCount = 0;
     int clipCount = 0;
     int transitionCount = 0;
@@ -3628,10 +3835,8 @@ void CustomTrackView::deleteSelectedClips()
         if (itemList.at(i)->type() == GROUPWIDGET) {
             groupCount++;
             QList<QGraphicsItem *> children = itemList.at(i)->childItems();
-            itemList += children;
             QList <ItemInfo> clipInfos;
             QList <ItemInfo> transitionInfos;
-            GenTime currentPos = GenTime(m_cursorPos, m_document->fps());
             for (int j = 0; j < children.count(); j++) {
                 if (children.at(j)->type() == AVWIDGET) {
                     AbstractClipItem *clip = static_cast <AbstractClipItem *>(children.at(j));
@@ -3640,18 +3845,23 @@ void CustomTrackView::deleteSelectedClips()
                     AbstractClipItem *clip = static_cast <AbstractClipItem *>(children.at(j));
                     if (!clip->isItemLocked()) transitionInfos.append(clip->info());
                 }
+                if (itemList.contains(children.at(j))) {
+                    children.removeAt(j);
+                    j--;
+                }
             }
-            if (clipInfos.count() > 0) {
+            itemList += children;
+            if (clipInfos.count() > 0)
                 new GroupClipsCommand(this, clipInfos, transitionInfos, false, deleteSelected);
-            }
-        }
+
+        } else if (itemList.at(i)->parentItem() && itemList.at(i)->parentItem()->type() == GROUPWIDGET)
+            itemList.insert(i + 1, itemList.at(i)->parentItem());
     }
 
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             clipCount++;
             ClipItem *item = static_cast <ClipItem *>(itemList.at(i));
-            if (item->parentItem()) resetGroup = true;
             //kDebug()<<"// DELETE CLP AT: "<<item->info().startPos.frames(25);
             new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, true, true, deleteSelected);
             emit clipItemSelected(NULL);
@@ -3659,7 +3869,6 @@ void CustomTrackView::deleteSelectedClips()
             transitionCount++;
             Transition *item = static_cast <Transition *>(itemList.at(i));
             //kDebug()<<"// DELETE TRANS AT: "<<item->info().startPos.frames(25);
-            if (item->parentItem()) resetGroup = true;
             new AddTransitionCommand(this, item->info(), item->transitionEndTrack(), item->toXML(), true, true, deleteSelected);
             emit transitionItemSelected(NULL);
         }
@@ -3671,11 +3880,13 @@ void CustomTrackView::deleteSelectedClips()
     else if (transitionCount > 0 && groupCount == 0 && clipCount == 0)
         deleteSelected->setText(i18np("Delete selected transition", "Delete selected transitions", transitionCount));
     else deleteSelected->setText(i18n("Delete selected items"));
+    updateTrackDuration(-1, deleteSelected);
     m_commandStack->push(deleteSelected);
 }
 
 void CustomTrackView::changeClipSpeed()
 {
+  // TODO: remove after string freeze
     QList<QGraphicsItem *> itemList = scene()->selectedItems();
     if (itemList.count() == 0) {
         emit displayMessage(i18n("Select clip to change speed"), ErrorMessage);
@@ -3689,7 +3900,6 @@ void CustomTrackView::changeClipSpeed()
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast <ClipItem *>(itemList.at(i));
-            ItemInfo info = item->info();
             if (percent == -1) percent = QInputDialog::getInteger(this, i18n("Edit Clip Speed"), i18n("New speed (percents)"), item->speed() * 100, 1, 10000, 1, &ok);
             if (!ok) break;
             double speed = (double) percent / 100.0;
@@ -3705,7 +3915,9 @@ void CustomTrackView::changeClipSpeed()
 
 void CustomTrackView::doChangeClipSpeed(ItemInfo info, ItemInfo speedIndependantInfo, const double speed, const double oldspeed, int strobe, const QString &id)
 {
-    DocClipBase *baseclip = m_document->clipManager()->getClipById(id);
+    Q_UNUSED(id)
+    //DocClipBase *baseclip = m_document->clipManager()->getClipById(id);
+
     ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
     if (!item) {
         kDebug() << "ERROR: Cannot find clip for speed change";
@@ -3713,35 +3925,122 @@ void CustomTrackView::doChangeClipSpeed(ItemInfo info, ItemInfo speedIndependant
         return;
     }
     info.track = m_document->tracksCount() - item->track();
-    int endPos;
-    if (item->isVideoOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->videoProducer());
-    else if (item->isAudioOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->audioProducer(item->track()));
-    else endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->producer());
+    int endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, item->getProducer(item->track(), false));
     if (endPos >= 0) {
         item->setSpeed(speed, strobe);
         item->updateRectGeometry();
-        if (item->cropDuration().frames(m_document->fps()) != endPos) {
+        if (item->cropDuration().frames(m_document->fps()) != endPos)
             item->resizeEnd((int) info.startPos.frames(m_document->fps()) + endPos - 1);
-        }
         updatePositionEffects(item, info);
         setDocumentModified();
-    } else emit displayMessage(i18n("Invalid clip"), ErrorMessage);
+    } else {
+        emit displayMessage(i18n("Invalid clip"), ErrorMessage);
+    }
 }
 
 void CustomTrackView::cutSelectedClips()
 {
     QList<QGraphicsItem *> itemList = scene()->selectedItems();
+    QList<AbstractGroupItem *> groups;
     GenTime currentPos = GenTime(m_cursorPos, m_document->fps());
-    for (int i = 0; i < itemList.count(); i++) {
+    for (int i = 0; i < itemList.count(); ++i) {
+        if (!itemList.at(i))
+            continue;
         if (itemList.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast <ClipItem *>(itemList.at(i));
             if (item->parentItem() && item->parentItem() != m_selectionGroup) {
-                emit displayMessage(i18n("Cannot cut a clip in a group"), ErrorMessage);
-            } else if (currentPos > item->startPos() && currentPos <  item->endPos()) {
+                AbstractGroupItem *group = static_cast <AbstractGroupItem *>(item->parentItem());
+                if (!groups.contains(group))
+                    groups << group;
+            } else if (currentPos > item->startPos() && currentPos < item->endPos()) {
                 RazorClipCommand *command = new RazorClipCommand(this, item->info(), currentPos);
                 m_commandStack->push(command);
             }
+        } else if (itemList.at(i)->type() == GROUPWIDGET && itemList.at(i) != m_selectionGroup) {
+            AbstractGroupItem *group = static_cast<AbstractGroupItem *>(itemList.at(i));
+            if (!groups.contains(group))
+                groups << group;
+        }
+    }
+
+    for (int i = 0; i < groups.count(); ++i)
+        razorGroup(groups.at(i), currentPos);
+}
+
+void CustomTrackView::razorGroup(AbstractGroupItem* group, GenTime cutPos)
+{
+    if (group) {
+        QList <QGraphicsItem *> children = group->childItems();
+        QList <ItemInfo> clips1, transitions1;
+        QList <ItemInfo> clipsCut, transitionsCut;
+        QList <ItemInfo> clips2, transitions2;
+        for (int i = 0; i < children.count(); ++i) {
+            children.at(i)->setSelected(false);
+            AbstractClipItem *child = static_cast <AbstractClipItem *>(children.at(i));
+            if (child->type() == AVWIDGET) {
+                if (cutPos > child->endPos())
+                    clips1 << child->info();
+                else if (cutPos < child->startPos())
+                    clips2 << child->info();
+                else
+                    clipsCut << child->info();
+            } else {
+                if (cutPos > child->endPos())
+                    transitions1 << child->info();
+                else if (cutPos < child->startPos())
+                    transitions2 << child->info();
+                else
+                    transitionsCut << child->info();
+            }
         }
+        if (clipsCut.isEmpty() && transitionsCut.isEmpty() && ((clips1.isEmpty() && transitions1.isEmpty()) || (clips2.isEmpty() && transitions2.isEmpty())))
+            return;
+        RazorGroupCommand *command = new RazorGroupCommand(this, clips1, transitions1, clipsCut, transitionsCut, clips2, transitions2, cutPos);
+        m_commandStack->push(command);
+    }
+}
+
+void CustomTrackView::slotRazorGroup(QList <ItemInfo> clips1, QList <ItemInfo> transitions1, QList <ItemInfo> clipsCut, QList <ItemInfo> transitionsCut, QList <ItemInfo> clips2, QList <ItemInfo> transitions2, GenTime cutPos, bool cut)
+{
+    if (cut) {
+        for (int i = 0; i < clipsCut.count(); ++i) {
+            ClipItem *clip = getClipItemAt(clipsCut.at(i).startPos.frames(m_document->fps()), clipsCut.at(i).track);
+            if (clip) {
+                ClipItem *clipBehind = cutClip(clipsCut.at(i), cutPos, true);
+                clips1 << clip->info();
+                if (clipBehind != NULL)
+                    clips2 << clipBehind->info();
+            }
+        }
+        /* TODO: cut transitionsCut
+         * For now just append them to group1 */
+        transitions1 << transitionsCut;
+        doGroupClips(clips1, transitions1, true);
+        doGroupClips(clips2, transitions2, true);
+    } else {
+        /* we might also just use clipsCut.at(0)->parentItem().
+         * Do this loop just in case something went wrong during cut */
+        for (int i = 0; i < clipsCut.count(); ++i) {
+            ClipItem *clip = getClipItemAt(cutPos.frames(m_document->fps()), clipsCut.at(i).track);
+            if (clip && clip->parentItem() && clip->parentItem()->type() == GROUPWIDGET) {
+                AbstractGroupItem *group = static_cast <AbstractGroupItem *>(clip->parentItem());
+                QList <QGraphicsItem *> children = group->childItems();
+                QList <ItemInfo> groupClips;
+                QList <ItemInfo> groupTrans;
+                for (int j = 0; j < children.count(); ++j) {
+                    if (children.at(j)->type() == AVWIDGET)
+                        groupClips << ((AbstractClipItem *)children.at(j))->info();
+                    else if (children.at(j)->type() == TRANSITIONWIDGET)
+                        groupTrans << ((AbstractClipItem *)children.at(j))->info();
+                }
+                doGroupClips(groupClips, groupTrans, false);
+                break;
+            }
+        }
+        for (int i = 0; i < clipsCut.count(); ++i)
+            cutClip(clipsCut.at(i), cutPos, false);
+        // TODO: uncut transitonsCut
+        doGroupClips(QList <ItemInfo>() << clips1 << clipsCut << clips2, QList <ItemInfo>() << transitions1 << transitionsCut << transitions2, true);
     }
 }
 
@@ -3750,7 +4049,6 @@ void CustomTrackView::groupClips(bool group)
     QList<QGraphicsItem *> itemList = scene()->selectedItems();
     QList <ItemInfo> clipInfos;
     QList <ItemInfo> transitionInfos;
-    GenTime currentPos = GenTime(m_cursorPos, m_document->fps());
 
     // Expand groups
     int max = itemList.count();
@@ -3817,7 +4115,6 @@ void CustomTrackView::doGroupClips(QList <ItemInfo> clipInfos, QList <ItemInfo>
             clip->setSelected(true);
         }
     }
-
     groupSelectedItems(false, true);
     setDocumentModified();
 }
@@ -3829,12 +4126,34 @@ void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo i
         emit displayMessage(i18n("No clip copied"), ErrorMessage);
         return;
     }
-    ClipItem *item = new ClipItem(baseclip, info, m_document->fps(), xml.attribute("speed", "1").toDouble(), xml.attribute("strobe", "1").toInt());
+
+    if (baseclip->getProducer() == NULL) {
+        // If the clip has no producer, we must wait until it is created...
+        m_mutex.lock();
+        emit displayMessage(i18n("Waiting for clip..."), InformationMessage);
+        emit forceClipProcessing(clipId);
+        qApp->processEvents();
+        for (int i = 0; i < 3; i++) {
+            if (baseclip->getProducer() == NULL) {
+                m_producerNotReady.wait(&m_mutex, 500 + 500 * i);
+            } else break;
+        }
+        if (baseclip->getProducer() == NULL) {
+            emit displayMessage(i18n("Cannot insert clip..."), ErrorMessage);
+            m_mutex.unlock();
+            return;
+        }
+        emit displayMessage(QString(), InformationMessage);
+        m_mutex.unlock();
+    }
+
+    ClipItem *item = new ClipItem(baseclip, info, m_document->fps(), xml.attribute("speed", "1").toDouble(), xml.attribute("strobe", "1").toInt(), getFrameWidth());
     item->setEffectList(effects);
     if (xml.hasAttribute("audio_only")) item->setAudioOnly(true);
     else if (xml.hasAttribute("video_only")) item->setVideoOnly(true);
     scene()->addItem(item);
 
+    int producerTrack = info.track;
     int tracknumber = m_document->tracksCount() - info.track - 1;
     bool isLocked = m_document->trackInfoAt(tracknumber).isLocked;
     if (isLocked) item->setItemLocked(true);
@@ -3842,38 +4161,48 @@ void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo i
     baseclip->addReference();
     m_document->updateClip(baseclip->getId());
     info.track = m_document->tracksCount() - info.track;
-    Mlt::Producer *prod;
-    if (item->isAudioOnly()) prod = baseclip->audioProducer(info.track);
-    else if (item->isVideoOnly()) prod = baseclip->videoProducer();
-    else prod = baseclip->producer(info.track);
-    m_document->renderer()->mltInsertClip(info, xml, prod, overwrite, push);
+    m_document->renderer()->mltInsertClip(info, xml, item->getProducer(producerTrack), overwrite, push);
     for (int i = 0; i < item->effectsCount(); i++) {
-        m_document->renderer()->mltAddEffect(info.track, info.startPos, item->getEffectArgs(item->effectAt(i)), false);
+        m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(item->effectAt(i)), false);
     }
     setDocumentModified();
-    if (refresh) m_document->renderer()->doRefresh();
-    if (!baseclip->isPlaceHolder()) m_waitingThumbs.append(item);
+    if (refresh)
+        m_document->renderer()->doRefresh();
+    if (!baseclip->isPlaceHolder())
+        m_waitingThumbs.append(item);
     m_thumbsTimer.start();
 }
 
 void CustomTrackView::slotUpdateClip(const QString &clipId, bool reload)
 {
+    QMutexLocker locker(&m_mutex);
     QList<QGraphicsItem *> list = scene()->items();
+    QList <ClipItem *>clipList;
     ClipItem *clip = NULL;
+    DocClipBase *baseClip = NULL;
+    Mlt::Tractor *tractor = m_document->renderer()->lockService();
     for (int i = 0; i < list.size(); ++i) {
         if (list.at(i)->type() == AVWIDGET) {
             clip = static_cast <ClipItem *>(list.at(i));
             if (clip->clipProducer() == clipId) {
+                if (baseClip == NULL) {
+                    baseClip = clip->baseClip();
+                }
                 ItemInfo info = clip->info();
-                info.track = m_document->tracksCount() - clip->track();
-                if (reload && !m_document->renderer()->mltUpdateClip(info, clip->xml(), clip->baseClip()->producer())) {
+                Mlt::Producer *prod = NULL;
+                if (clip->isAudioOnly()) prod = baseClip->audioProducer(info.track);
+                else if (clip->isVideoOnly()) prod = baseClip->videoProducer();
+                else prod = baseClip->getProducer(info.track);
+                if (reload && !m_document->renderer()->mltUpdateClip(tractor, info, clip->xml(), prod)) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", info.startPos.frames(m_document->fps()), info.track), ErrorMessage);
                 }
-                clip->refreshClip(true);
-                clip->update();
+                else clipList.append(clip);
             }
         }
     }
+    for (int i = 0; i < clipList.count(); i++)
+        clipList.at(i)->refreshClip(true, true);
+    m_document->renderer()->unlockService(tractor);
 }
 
 ClipItem *CustomTrackView::getClipItemAtEnd(GenTime pos, int track)
@@ -3980,7 +4309,7 @@ Transition *CustomTrackView::getTransitionItemAtStart(GenTime pos, int track)
     return clip;
 }
 
-void CustomTrackView::moveClip(const ItemInfo start, const ItemInfo end, bool refresh)
+void CustomTrackView::moveClip(const ItemInfo &start, const ItemInfo &end, bool refresh)
 {
     if (m_selectionGroup) resetSelectionGroup(false);
     ClipItem *item = getClipItemAt((int) start.startPos.frames(m_document->fps()), start.track);
@@ -3989,10 +4318,7 @@ void CustomTrackView::moveClip(const ItemInfo start, const ItemInfo end, bool re
         kDebug() << "----------------  ERROR, CANNOT find clip to move at.. ";
         return;
     }
-    Mlt::Producer *prod;
-    if (item->isAudioOnly()) prod = item->baseClip()->audioProducer(end.track);
-    else if (item->isVideoOnly()) prod = item->baseClip()->videoProducer();
-    else prod = item->baseClip()->producer(end.track);
+    Mlt::Producer *prod = item->getProducer(end.track);
 
     bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - start.track), (int)(m_document->tracksCount() - end.track), (int) start.startPos.frames(m_document->fps()), (int)end.startPos.frames(m_document->fps()), prod);
     if (success) {
@@ -4024,14 +4350,11 @@ void CustomTrackView::moveClip(const ItemInfo start, const ItemInfo end, bool re
         emit displayMessage(i18n("Cannot move clip to position %1", m_document->timecode().getTimecodeFromFrames(end.startPos.frames(m_document->fps()))), ErrorMessage);
     }
     if (refresh) m_document->renderer()->doRefresh();
-    //kDebug() << " // MOVED CLIP TO: " << end.startPos.frames(25) << ", ITEM START: " << item->startPos().frames(25);
 }
 
-void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> startTransition, const GenTime offset, const int trackOffset, bool reverseMove)
+void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> startTransition, const GenTime &offset, const int trackOffset, bool reverseMove)
 {
     // Group Items
-    /*kDebug() << "//GRP MOVE, REVERS:" << reverseMove;
-    kDebug() << "// GROUP MOV; OFFSET: " << offset.frames(25) << ", TK OFF: " << trackOffset;*/
     resetSelectionGroup();
     m_scene->clearSelection();
 
@@ -4044,7 +4367,6 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             startClip[i].startPos = startClip.at(i).startPos - offset;
             startClip[i].track = startClip.at(i).track - trackOffset;
         }
-        //kDebug()<<"//LKING FR CLIP AT:"<<startClip.at(i).startPos.frames(25)<<", TK:"<<startClip.at(i).track;
         ClipItem *clip = getClipItemAt(startClip.at(i).startPos, startClip.at(i).track);
         if (clip) {
             clip->setItemLocked(false);
@@ -4108,22 +4430,25 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             ItemInfo info = item->info();
             int tracknumber = m_document->tracksCount() - info.track - 1;
             bool isLocked = m_document->trackInfoAt(tracknumber).isLocked;
-            if (isLocked) item->setItemLocked(true);
-            else if (item->isItemLocked()) item->setItemLocked(false);
+            if (isLocked)
+                item->setItemLocked(true);
+            else if (item->isItemLocked())
+                item->setItemLocked(false);
 
             if (item->type() == AVWIDGET) {
                 ClipItem *clip = static_cast <ClipItem*>(item);
+                int trackProducer = info.track;
                 info.track = m_document->tracksCount() - info.track;
-                Mlt::Producer *prod;
-                if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(info.track);
-                else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
-                else prod = clip->baseClip()->producer(info.track);
-                m_document->renderer()->mltInsertClip(info, clip->xml(), prod);
+                m_document->renderer()->mltInsertClip(info, clip->xml(), clip->getProducer(trackProducer));
+                for (int i = 0; i < clip->effectsCount(); i++) {
+                    m_document->renderer()->mltAddEffect(info.track, info.startPos, getEffectArgs(clip->effectAt(i)), false);
+                }
             } else if (item->type() == TRANSITIONWIDGET) {
                 Transition *tr = static_cast <Transition*>(item);
                 int newTrack;
-                if (!tr->forcedTrack()) newTrack = getPreviousVideoTrack(info.track);
-                else {
+                if (!tr->forcedTrack()) {
+                    newTrack = getPreviousVideoTrack(info.track);
+                } else {
                     newTrack = tr->transitionEndTrack() + trackOffset;
                     if (newTrack < 0 || newTrack > m_document->tracksCount()) newTrack = getPreviousVideoTrack(info.track);
                 }
@@ -4131,13 +4456,21 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
                 m_document->renderer()->mltAddTransition(tr->transitionTag(), newTrack, m_document->tracksCount() - info.track, info.startPos, info.endPos, tr->toXML());
             }
         }
+
         resetSelectionGroup(false);
+
+        for (int i = 0; i < children.count(); i++) {
+            if (children.at(i)->parentItem())
+                rebuildGroup((AbstractGroupItem*)children.at(i)->parentItem());
+        }
+        clearSelection();
+
         KdenliveSettings::setSnaptopoints(snap);
         m_document->renderer()->doRefresh();
     } else kDebug() << "///////// WARNING; NO GROUP TO MOVE";
 }
 
-void CustomTrackView::moveTransition(const ItemInfo start, const ItemInfo end, bool m_refresh)
+void CustomTrackView::moveTransition(const ItemInfo &start, const ItemInfo &end, bool refresh)
 {
     Transition *item = getTransitionItemAt(start.startPos, start.track);
     if (!item) {
@@ -4145,10 +4478,10 @@ void CustomTrackView::moveTransition(const ItemInfo start, const ItemInfo end, b
         kDebug() << "----------------  ERROR, CANNOT find transition to move... ";// << startPos.x() * m_scale * FRAME_SIZE + 1 << ", " << startPos.y() * m_tracksHeight + m_tracksHeight / 2;
         return;
     }
-    //kDebug() << "----------------  Move TRANSITION FROM: " << startPos.x() << ", END:" << endPos.x() << ",TRACKS: " << oldtrack << " TO " << newtrack;
+
     bool snap = KdenliveSettings::snaptopoints();
     KdenliveSettings::setSnaptopoints(false);
-    //kDebug()<<"///  RESIZE TRANS START: ("<< startPos.x()<<"x"<< startPos.y()<<") / ("<<endPos.x()<<"x"<< endPos.y()<<")";
+
     if (end.endPos - end.startPos == start.endPos - start.startPos) {
         // Transition was moved
         item->setPos((int) end.startPos.frames(m_document->fps()), (end.track) * m_tracksHeight + 1);
@@ -4175,16 +4508,17 @@ void CustomTrackView::moveTransition(const ItemInfo start, const ItemInfo end, b
         if (transitionClip && transitionClip->baseClip()) {
             QString size = transitionClip->baseClip()->getProperty("frame_size");
             double factor = transitionClip->baseClip()->getProperty("aspect_ratio").toDouble();
+            if (factor == 0) factor = 1.0;
             p.setX((int)(size.section('x', 0, 0).toInt() * factor + 0.5));
             p.setY(size.section('x', 1, 1).toInt());
         }
         emit transitionItemSelected(item, getPreviousVideoTrack(item->track()), p);
     }
-    if (m_refresh) m_document->renderer()->doRefresh();
+    if (refresh) m_document->renderer()->doRefresh();
     setDocumentModified();
 }
 
-void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool dontWorry)
+void CustomTrackView::resizeClip(const ItemInfo &start, const ItemInfo &end, bool dontWorry)
 {
     bool resizeClipStart = (start.startPos != end.startPos);
     ClipItem *item = getClipItemAtStart(start.startPos, start.track);
@@ -4201,23 +4535,23 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
 
     bool snap = KdenliveSettings::snaptopoints();
     KdenliveSettings::setSnaptopoints(false);
+
     if (resizeClipStart) {
         ItemInfo clipinfo = item->info();
         clipinfo.track = m_document->tracksCount() - clipinfo.track;
         bool success = m_document->renderer()->mltResizeClipStart(clipinfo, end.startPos - clipinfo.startPos);
-        if (success) {
-            kDebug() << "RESIZE CLP STRAT TO:" << end.startPos.frames(m_document->fps()) << ", OLD ST: " << start.startPos.frames(25);
+        if (success)
             item->resizeStart((int) end.startPos.frames(m_document->fps()));
-            updatePositionEffects(item, clipinfo);
-        } else emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        else
+            emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
     } else {
         ItemInfo clipinfo = item->info();
         clipinfo.track = m_document->tracksCount() - clipinfo.track;
         bool success = m_document->renderer()->mltResizeClipEnd(clipinfo, end.endPos - clipinfo.startPos);
-        if (success) {
+        if (success)
             item->resizeEnd((int) end.endPos.frames(m_document->fps()));
-            updatePositionEffects(item, clipinfo);
-        } else emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        else
+            emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
     }
     if (!resizeClipStart && end.cropStart != start.cropStart) {
         kDebug() << "// RESIZE CROP, DIFF: " << (end.cropStart - start.cropStart).frames(25);
@@ -4234,14 +4568,209 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
     setDocumentModified();
 }
 
-void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
+void CustomTrackView::prepareResizeClipStart(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check, QUndoCommand *command)
+{
+    if (pos == oldInfo.startPos.frames(m_document->fps()))
+        return;
+    bool snap = KdenliveSettings::snaptopoints();
+    if (check) {
+        KdenliveSettings::setSnaptopoints(false);
+        item->resizeStart(pos);
+        if (item->startPos().frames(m_document->fps()) != pos) {
+            item->resizeStart(oldInfo.startPos.frames(m_document->fps()));
+            emit displayMessage(i18n("Not possible to resize"), ErrorMessage);
+            KdenliveSettings::setSnaptopoints(snap);
+            return;
+        }
+        KdenliveSettings::setSnaptopoints(snap);
+    }
+
+    bool hasParentCommand = false;
+    if (command) {
+        hasParentCommand = true;
+    } else {
+        command = new QUndoCommand();
+        command->setText(i18n("Resize clip start"));
+    }
+
+    // do this here, too, because otherwise undo won't update the group
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->endPos() - GenTime(1, m_document->fps()), command);
+
+    ItemInfo info = item->info();
+    if (item->type() == AVWIDGET) {
+        ItemInfo resizeinfo = oldInfo;
+        resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
+        bool success = m_document->renderer()->mltResizeClipStart(resizeinfo, item->startPos() - oldInfo.startPos);
+        if (success) {
+            // Check if there is an automatic transition on that clip (lower track)
+            Transition *transition = getTransitionItemAtStart(oldInfo.startPos, oldInfo.track);
+            if (transition && transition->isAutomatic()) {
+                ItemInfo trInfo = transition->info();
+                ItemInfo newTrInfo = trInfo;
+                newTrInfo.startPos = item->startPos();
+                if (newTrInfo.startPos < newTrInfo.endPos)
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
+            }
+            // Check if there is an automatic transition on that clip (upper track)
+            transition = getTransitionItemAtStart(oldInfo.startPos, oldInfo.track - 1);
+            if (transition && transition->isAutomatic() && (m_document->tracksCount() - transition->transitionEndTrack()) == oldInfo.track) {
+                ItemInfo trInfo = transition->info();
+                ItemInfo newTrInfo = trInfo;
+                newTrInfo.startPos = item->startPos();
+                ClipItem * upperClip = getClipItemAt(oldInfo.startPos, oldInfo.track - 1);
+                if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.startPos < newTrInfo.endPos)
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
+            }
+
+            ClipItem *clip = static_cast < ClipItem * >(item);
+
+            // Hack:
+            // Since we must always resize clip before updating the keyframes, we
+            // put a resize command before & after checking keyframes so that
+            // we are sure the resize is performed before whenever we do or undo the action
+            new ResizeClipCommand(this, oldInfo, info, false, true, command);
+            adjustEffects(clip, oldInfo, command);
+            new ResizeClipCommand(this, oldInfo, info, false, true, command);
+            emit clipItemSelected(clip);
+        } else {
+            KdenliveSettings::setSnaptopoints(false);
+            item->resizeStart((int) oldInfo.startPos.frames(m_document->fps()));
+            KdenliveSettings::setSnaptopoints(snap);
+            emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        }
+    } else if (item->type() == TRANSITIONWIDGET) {
+        Transition *transition = static_cast <Transition *>(item);
+        if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - oldInfo.track), (int)(m_document->tracksCount() - oldInfo.track), transition->transitionEndTrack(), oldInfo.startPos, oldInfo.endPos, info.startPos, info.endPos)) {
+            // Cannot resize transition
+            KdenliveSettings::setSnaptopoints(false);
+            transition->resizeStart((int) oldInfo.startPos.frames(m_document->fps()));
+            KdenliveSettings::setSnaptopoints(snap);
+            emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
+        } else {
+            MoveTransitionCommand *moveCommand = new MoveTransitionCommand(this, oldInfo, info, false, command);
+            if (command == NULL)
+                m_commandStack->push(moveCommand);
+        }
+
+    }
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->endPos() - GenTime(1, m_document->fps()), command);
+
+    if (!hasParentCommand)
+        m_commandStack->push(command);
+}
+
+void CustomTrackView::prepareResizeClipEnd(AbstractClipItem* item, ItemInfo oldInfo, int pos, bool check, QUndoCommand *command)
+{
+    if (pos == oldInfo.endPos.frames(m_document->fps()))
+        return;
+    bool snap = KdenliveSettings::snaptopoints();
+    if (check) {
+        KdenliveSettings::setSnaptopoints(false);
+        item->resizeEnd(pos);
+        if (item->endPos().frames(m_document->fps()) != pos) {
+            item->resizeEnd(oldInfo.endPos.frames(m_document->fps()));
+            emit displayMessage(i18n("Not possible to resize"), ErrorMessage);
+            KdenliveSettings::setSnaptopoints(snap);
+            return;
+        }
+        KdenliveSettings::setSnaptopoints(snap);
+    }
+
+    bool hasParentCommand = false;
+    if (command) {
+        hasParentCommand = true;
+    } else {
+        command = new QUndoCommand();
+    }
+
+    // do this here, too, because otherwise undo won't update the group
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->startPos(), command);
+
+    ItemInfo info = item->info();
+    if (item->type() == AVWIDGET) {
+        if (!hasParentCommand) command->setText(i18n("Resize clip end"));
+        ItemInfo resizeinfo = info;
+        resizeinfo.track = m_document->tracksCount() - resizeinfo.track;
+        bool success = m_document->renderer()->mltResizeClipEnd(resizeinfo, resizeinfo.cropDuration);
+        if (success) {
+            // Check if there is an automatic transition on that clip (lower track)
+            Transition *tr = getTransitionItemAtEnd(oldInfo.endPos, oldInfo.track);
+            if (tr && tr->isAutomatic()) {
+                ItemInfo trInfo = tr->info();
+                ItemInfo newTrInfo = trInfo;
+                newTrInfo.endPos = item->endPos();
+                if (newTrInfo.endPos > newTrInfo.startPos)
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
+            }
+
+            // Check if there is an automatic transition on that clip (upper track)
+            tr = getTransitionItemAtEnd(oldInfo.endPos, oldInfo.track - 1);
+            if (tr && tr->isAutomatic() && (m_document->tracksCount() - tr->transitionEndTrack()) == oldInfo.track) {
+                ItemInfo trInfo = tr->info();
+                ItemInfo newTrInfo = trInfo;
+                newTrInfo.endPos = item->endPos();
+                ClipItem * upperClip = getClipItemAtEnd(oldInfo.endPos, oldInfo.track - 1);
+                if ((!upperClip || !upperClip->baseClip()->isTransparent()) && newTrInfo.endPos > newTrInfo.startPos)
+                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, command);
+
+            }
+
+            ClipItem *clip = static_cast < ClipItem * >(item);
+
+            // Hack:
+            // Since we must always resize clip before updating the keyframes, we
+            // put a resize command before & after checking keyframes so that
+            // we are sure the resize is performed before whenever we do or undo the action
+            new ResizeClipCommand(this, oldInfo, info, false, true, command);
+            adjustEffects(clip, oldInfo, command);
+            new ResizeClipCommand(this, oldInfo, info, false, true, command);
+            emit clipItemSelected(clip);
+        } else {
+            KdenliveSettings::setSnaptopoints(false);
+            item->resizeEnd((int) oldInfo.endPos.frames(m_document->fps()));
+            KdenliveSettings::setSnaptopoints(true);
+            emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        }
+    } else if (item->type() == TRANSITIONWIDGET) {
+        if (!hasParentCommand) command->setText(i18n("Resize transition end"));
+        Transition *transition = static_cast <Transition *>(item);
+        if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - oldInfo.track), (int)(m_document->tracksCount() - oldInfo.track), transition->transitionEndTrack(), oldInfo.startPos, oldInfo.endPos, info.startPos, info.endPos)) {
+            // Cannot resize transition
+            KdenliveSettings::setSnaptopoints(false);
+            transition->resizeEnd((int) oldInfo.endPos.frames(m_document->fps()));
+            KdenliveSettings::setSnaptopoints(true);
+            emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
+        } else {
+            // Check transition keyframes
+            QDomElement old = transition->toXML();
+            if (transition->updateKeyframes()) {
+                QDomElement xml = transition->toXML();
+                m_document->renderer()->mltUpdateTransition(xml.attribute("tag"), xml.attribute("tag"), xml.attribute("transition_btrack").toInt(), m_document->tracksCount() - xml.attribute("transition_atrack").toInt(), transition->startPos(), transition->endPos(), xml);
+                new EditTransitionCommand(this, transition->track(), transition->startPos(), old, xml, false, command);
+            }
+            new MoveTransitionCommand(this, oldInfo, info, false, command);
+        }
+    }
+    if (item->parentItem() && item->parentItem() != m_selectionGroup)
+        new RebuildGroupCommand(this, item->info().track, item->startPos(), command);
+
+    if (!hasParentCommand) {
+        updateTrackDuration(oldInfo.track, command);
+        m_commandStack->push(command);
+    }
+}
+
+void CustomTrackView::updatePositionEffects(ClipItem* item, ItemInfo info, bool standalone)
 {
     int end = item->fadeIn();
     if (end != 0) {
         // there is a fade in effect
         int effectPos = item->hasEffect("volume", "fadein");
         if (effectPos != -1) {
-            QDomElement oldeffect = item->effectAt(effectPos);
+            QDomElement effect = item->getEffectAt(effectPos);
             int start = item->cropStart().frames(m_document->fps());
             int max = item->cropDuration().frames(m_document->fps());
             if (end > max) {
@@ -4250,16 +4779,19 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
                 end = item->fadeIn();
             }
             end += start;
-            EffectsList::setParameter(oldeffect, "in", QString::number(start));
-            EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
-                emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
-            // if fade effect is displayed, update the effect edit widget with new clip duration
-            if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
+            EffectsList::setParameter(effect, "in", QString::number(start));
+            EffectsList::setParameter(effect, "out", QString::number(end));
+            if (standalone) {
+                if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(effect)))
+                    emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+                // if fade effect is displayed, update the effect edit widget with new clip duration
+                if (item->isSelected() && effectPos == item->selectedEffectIndex())
+                    emit clipItemSelected(item, effectPos);
+            }
         }
         effectPos = item->hasEffect("brightness", "fade_from_black");
         if (effectPos != -1) {
-            QDomElement oldeffect = item->effectAt(effectPos);
+            QDomElement effect = item->getEffectAt(effectPos);
             int start = item->cropStart().frames(m_document->fps());
             int max = item->cropDuration().frames(m_document->fps());
             if (end > max) {
@@ -4268,20 +4800,24 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
                 end = item->fadeIn();
             }
             end += start;
-            EffectsList::setParameter(oldeffect, "in", QString::number(start));
-            EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
-                emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
-            // if fade effect is displayed, update the effect edit widget with new clip duration
-            if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
+            EffectsList::setParameter(effect, "in", QString::number(start));
+            EffectsList::setParameter(effect, "out", QString::number(end));
+            if (standalone) {
+                if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(effect)))
+                    emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+                // if fade effect is displayed, update the effect edit widget with new clip duration
+                if (item->isSelected() && effectPos == item->selectedEffectIndex())
+                    emit clipItemSelected(item, effectPos);
+            }
         }
     }
+
     int start = item->fadeOut();
     if (start != 0) {
         // there is a fade out effect
         int effectPos = item->hasEffect("volume", "fadeout");
         if (effectPos != -1) {
-            QDomElement oldeffect = item->effectAt(effectPos);
+            QDomElement effect = item->getEffectAt(effectPos);
             int max = item->cropDuration().frames(m_document->fps());
             int end = max + item->cropStart().frames(m_document->fps());
             if (start > max) {
@@ -4290,16 +4826,19 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
                 start = item->fadeOut();
             }
             start = end - start;
-            EffectsList::setParameter(oldeffect, "in", QString::number(start));
-            EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
-                emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
-            // if fade effect is displayed, update the effect edit widget with new clip duration
-            if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
+            EffectsList::setParameter(effect, "in", QString::number(start));
+            EffectsList::setParameter(effect, "out", QString::number(end));
+            if (standalone) {
+                if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(effect)))
+                    emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+                // if fade effect is displayed, update the effect edit widget with new clip duration
+                if (item->isSelected() && effectPos == item->selectedEffectIndex())
+                    emit clipItemSelected(item, effectPos);
+            }
         }
         effectPos = item->hasEffect("brightness", "fade_to_black");
         if (effectPos != -1) {
-            QDomElement oldeffect = item->effectAt(effectPos);
+            QDomElement effect = item->getEffectAt(effectPos);
             int max = item->cropDuration().frames(m_document->fps());
             int end = max + item->cropStart().frames(m_document->fps());
             if (start > max) {
@@ -4308,12 +4847,15 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
                 start = item->fadeOut();
             }
             start = end - start;
-            EffectsList::setParameter(oldeffect, "in", QString::number(start));
-            EffectsList::setParameter(oldeffect, "out", QString::number(end));
-            if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), item->getEffectArgs(oldeffect)))
-                emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
-            // if fade effect is displayed, update the effect edit widget with new clip duration
-            if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
+            EffectsList::setParameter(effect, "in", QString::number(start));
+            EffectsList::setParameter(effect, "out", QString::number(end));
+            if (standalone) {
+                if (!m_document->renderer()->mltEditEffect(m_document->tracksCount() - item->track(), item->startPos(), getEffectArgs(effect)))
+                    emit displayMessage(i18n("Problem editing effect"), ErrorMessage);
+                // if fade effect is displayed, update the effect edit widget with new clip duration
+                if (item->isSelected() && effectPos == item->selectedEffectIndex())
+                    emit clipItemSelected(item, effectPos);
+            }
         }
     }
 
@@ -4325,8 +4867,10 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
         if (!eff.isNull() && diff != 0) {
             int freeze_pos = EffectsList::parameter(eff, "frame").toInt() + diff;
             EffectsList::setParameter(eff, "frame", QString::number(freeze_pos));
-            if (item->isSelected() && item->selectedEffect().attribute("id") == "freeze") {
-                emit clipItemSelected(item, item->selectedEffectIndex());
+            if (standalone) {
+                if (item->isSelected() && item->selectedEffect().attribute("id") == "freeze") {
+                    emit clipItemSelected(item, item->selectedEffectIndex());
+                }
             }
         }
     }
@@ -4402,6 +4946,11 @@ void CustomTrackView::updateSnapPoints(AbstractClipItem *selected, QList <GenTim
         }
     }
 
+    // add render zone
+    QPoint z = m_document->zone();
+    snaps.append(GenTime(z.x(), m_document->fps()));
+    snaps.append(GenTime(z.y(), m_document->fps()));
+
     qSort(snaps);
     m_scene->setSnapList(snaps);
     //for (int i = 0; i < m_snapPoints.size(); ++i)
@@ -4473,7 +5022,7 @@ void CustomTrackView::slotDeleteAllClipMarkers(const QString &id)
     m_commandStack->push(deleteMarkers);
 }
 
-void CustomTrackView::addMarker(const QString &id, const GenTime &pos, const QString comment)
+void CustomTrackView::addMarker(const QString &id, const GenTime &pos, const QString &comment)
 {
     DocClipBase *base = m_document->clipManager()->getClipById(id);
     if (!comment.isEmpty()) base->addSnapMarker(pos, comment);
@@ -4493,7 +5042,19 @@ int CustomTrackView::hasGuide(int pos, int offset)
     return -1;
 }
 
-void CustomTrackView::editGuide(const GenTime oldPos, const GenTime pos, const QString &comment)
+void CustomTrackView::buildGuidesMenu(QMenu *goMenu) const
+{
+    QAction *act;
+    goMenu->clear();
+    double fps = m_document->fps();
+    for (int i = 0; i < m_guides.count(); i++) {
+        act = goMenu->addAction(m_guides.at(i)->label() + "/" + Timecode::getStringTimecode(m_guides.at(i)->position().frames(fps), fps));
+        act->setData(m_guides.at(i)->position().frames(m_document->fps()));
+    }
+    goMenu->setEnabled(!m_guides.isEmpty());
+}
+
+void CustomTrackView::editGuide(const GenTime &oldPos, const GenTime &pos, const QString &comment)
 {
     if (oldPos > GenTime() && pos > GenTime()) {
         // move guide
@@ -4521,7 +5082,7 @@ void CustomTrackView::editGuide(const GenTime oldPos, const GenTime pos, const Q
     m_document->syncGuides(m_guides);
 }
 
-bool CustomTrackView::addGuide(const GenTime pos, const QString &comment)
+bool CustomTrackView::addGuide(const GenTime &pos, const QString &comment)
 {
     for (int i = 0; i < m_guides.count(); i++) {
         if (m_guides.at(i)->position() == pos) {
@@ -4537,13 +5098,19 @@ bool CustomTrackView::addGuide(const GenTime pos, const QString &comment)
     return true;
 }
 
-void CustomTrackView::slotAddGuide()
+void CustomTrackView::slotAddGuide(bool dialog)
 {
     CommentedTime marker(GenTime(m_cursorPos, m_document->fps()), i18n("Guide"));
-    MarkerDialog d(NULL, marker, m_document->timecode(), i18n("Add Guide"), this);
-    if (d.exec() != QDialog::Accepted) return;
-    if (addGuide(d.newMarker().time(), d.newMarker().comment())) {
-        EditGuideCommand *command = new EditGuideCommand(this, GenTime(), QString(), d.newMarker().time(), d.newMarker().comment(), false);
+    if (dialog) {
+        MarkerDialog d(NULL, marker, m_document->timecode(), i18n("Add Guide"), this);
+        if (d.exec() != QDialog::Accepted) return;
+        marker = d.newMarker();
+        
+    } else {
+        marker.setComment(m_document->timecode().getDisplayTimecodeFromFrames(m_cursorPos, false));
+    }
+    if (addGuide(marker.time(), marker.comment())) {
+        EditGuideCommand *command = new EditGuideCommand(this, GenTime(), QString(), marker.time(), marker.comment(), false);
         m_commandStack->push(command);
     }
 }
@@ -4631,21 +5198,13 @@ void CustomTrackView::setScale(double scaleFactor, double verticalScale)
     QMatrix newmatrix;
     newmatrix = newmatrix.scale(scaleFactor, verticalScale);
     m_scene->setScale(scaleFactor, verticalScale);
-    if (m_visualTip) {
-        scene()->removeItem(m_visualTip);
-        m_animationTimer->stop();
-        delete m_animation;
-        m_animation = NULL;
-        delete m_visualTip;
-        m_visualTip = NULL;
-    }
-    double verticalPos = mapToScene(QPoint(0, viewport()->height() / 2)).y();
+    removeTipAnimation();
     bool adjust = false;
     if (verticalScale != matrix().m22()) adjust = true;
     setMatrix(newmatrix);
     if (adjust) {
         double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
-        m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
+        m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight - 1);
         for (int i = 0; i < m_guides.count(); i++) {
             QLineF l = m_guides.at(i)->line();
             l.setP2(QPointF(l.x2(), newHeight));
@@ -4656,50 +5215,46 @@ void CustomTrackView::setScale(double scaleFactor, double verticalScale)
 
     int diff = sceneRect().width() - m_projectDuration;
     if (diff * newmatrix.m11() < 50) {
-        if (newmatrix.m11() < 0.4) setSceneRect(0, 0, (m_projectDuration + 100 / newmatrix.m11()), sceneRect().height());
-        else setSceneRect(0, 0, (m_projectDuration + 300), sceneRect().height());
+        if (newmatrix.m11() < 0.4)
+            setSceneRect(0, 0, (m_projectDuration + 100 / newmatrix.m11()), sceneRect().height());
+        else
+            setSceneRect(0, 0, (m_projectDuration + 300), sceneRect().height());
     }
+    double verticalPos = mapToScene(QPoint(0, viewport()->height() / 2)).y();
     centerOn(QPointF(cursorPos(), verticalPos));
 }
 
 void CustomTrackView::slotRefreshGuides()
 {
     if (KdenliveSettings::showmarkers()) {
-        for (int i = 0; i < m_guides.count(); i++) {
+        for (int i = 0; i < m_guides.count(); i++)
             m_guides.at(i)->update();
-        }
     }
 }
 
 void CustomTrackView::drawBackground(QPainter * painter, const QRectF &rect)
 {
-    //kDebug() << "// DRAW BG: " << rect.width();
     painter->setClipRect(rect);
-    KColorScheme scheme(palette().currentColorGroup(), KColorScheme::Window);
     QPen pen1 = painter->pen();
-    pen1.setColor(scheme.shade(KColorScheme::DarkShade));
+    pen1.setColor(palette().dark().color());
     painter->setPen(pen1);
     double min = rect.left();
     double max = rect.right();
     painter->drawLine(QPointF(min, 0), QPointF(max, 0));
     int maxTrack = m_document->tracksCount();
-    QColor lockedColor = scheme.background(KColorScheme::NegativeBackground).color();
+    QColor lockedColor = palette().button().color();
     QColor audioColor = palette().alternateBase().color();
-    QColor base = scheme.background(KColorScheme::NormalBackground).color();
     for (int i = 0; i < maxTrack; i++) {
         TrackInfo info = m_document->trackInfoAt(maxTrack - i - 1);
         if (info.isLocked || info.type == AUDIOTRACK || i == m_selectedTrack) {
             const QRectF track(min, m_tracksHeight * i + 1, max - min, m_tracksHeight - 1);
-            if (i == m_selectedTrack) painter->fillRect(track, scheme.background(KColorScheme::ActiveBackground).color());
-            else painter->fillRect(track, info.isLocked ? lockedColor : audioColor);
+            if (i == m_selectedTrack)
+                painter->fillRect(track, m_activeTrackBrush.brush(this));
+            else
+                painter->fillRect(track, info.isLocked ? lockedColor : audioColor);
         }
         painter->drawLine(QPointF(min, m_tracksHeight *(i + 1)), QPointF(max, m_tracksHeight *(i + 1)));
     }
-    int lowerLimit = m_tracksHeight * maxTrack + 1;
-    if (height() > lowerLimit) {
-        const QRectF bg(min, lowerLimit, max - min, height() - lowerLimit);
-        painter->fillRect(bg, base);
-    }
 }
 
 bool CustomTrackView::findString(const QString &text)
@@ -4765,9 +5320,8 @@ void CustomTrackView::initSearchStrings()
     }
 
     // add guides
-    for (int i = 0; i < m_guides.count(); i++) {
+    for (int i = 0; i < m_guides.count(); i++)
         m_searchPoints.append(m_guides.at(i)->info());
-    }
 
     qSort(m_searchPoints);
 }
@@ -4785,9 +5339,8 @@ QList<ItemInfo> CustomTrackView::findId(const QString &clipId)
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             ClipItem *item = (ClipItem *)itemList.at(i);
-            if (item->clipProducer() == clipId) {
+            if (item->clipProducer() == clipId)
                 matchingInfo << item->info();
-            }
         }
     }
     return matchingInfo;
@@ -4820,10 +5373,22 @@ bool CustomTrackView::canBePastedTo(ItemInfo info, int type) const
         // If we are in overwrite mode, always allow the move
         return true;
     }
-    QRectF rect((double) info.startPos.frames(m_document->fps()), (double)(info.track * m_tracksHeight + 1), (double)(info.endPos - info.startPos).frames(m_document->fps()), (double)(m_tracksHeight - 1));
+    int height = m_tracksHeight - 2;
+    int offset = 0;
+    if (type == TRANSITIONWIDGET) {
+        height = Transition::itemHeight();
+        offset = Transition::itemOffset();
+    }
+    else if (type == AVWIDGET) {
+        height = ClipItem::itemHeight();
+        offset = ClipItem::itemOffset();
+    }
+    QRectF rect((double) info.startPos.frames(m_document->fps()), (double)(info.track * m_tracksHeight + 1 + offset), (double)(info.endPos - info.startPos).frames(m_document->fps()), (double) height);
     QList<QGraphicsItem *> collisions = scene()->items(rect, Qt::IntersectsItemBoundingRect);
     for (int i = 0; i < collisions.count(); i++) {
-        if (collisions.at(i)->type() == type) return false;
+        if (collisions.at(i)->type() == type) {
+            return false;
+        }
     }
     return true;
 }
@@ -4889,16 +5454,24 @@ void CustomTrackView::pasteClip()
         return;
     }
     QPoint position;
+    int track = -1;
+    GenTime pos = GenTime(-1);
     if (m_menuPosition.isNull()) {
         position = mapFromGlobal(QCursor::pos());
-        if (!underMouse() || position.y() > m_tracksHeight * m_document->tracksCount()) {
-            emit displayMessage(i18n("Cannot paste selected clips"), ErrorMessage);
-            return;
+        if (!contentsRect().contains(position) || mapToScene(position).y() / m_tracksHeight > m_document->tracksCount()) {
+            track = m_selectedTrack;
+            pos = GenTime(m_cursorPos, m_document->fps());
+            /*emit displayMessage(i18n("Cannot paste selected clips"), ErrorMessage);
+            return;*/
         }
-    } else position = m_menuPosition;
+    } else {
+        position = m_menuPosition;
+    }
 
-    GenTime pos = GenTime((int)(mapToScene(position).x()), m_document->fps());
-    int track = (int)(mapToScene(position).y() / m_tracksHeight);
+    if (pos == GenTime(-1))
+        pos = GenTime((int)(mapToScene(position).x()), m_document->fps());
+    if (track == -1)
+        track = (int)(mapToScene(position).y() / m_tracksHeight);
 
     GenTime leftPos = m_copiedItems.at(0)->startPos();
     int lowerTrack = m_copiedItems.at(0)->track();
@@ -4948,6 +5521,7 @@ void CustomTrackView::pasteClip()
             } else emit displayMessage(i18n("Cannot paste transition to selected place"), ErrorMessage);
         }
     }
+    updateTrackDuration(-1, pasteClips);
     m_commandStack->push(pasteClips);
 }
 
@@ -4976,7 +5550,6 @@ void CustomTrackView::pasteClipEffects()
         }
     }
 
-
     for (int i = 0; i < clips.count(); ++i) {
         if (clips.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast < ClipItem *>(clips.at(i));
@@ -5007,6 +5580,7 @@ void CustomTrackView::adjustKeyfames(GenTime oldstart, GenTime newstart, GenTime
     // parse parameters to check if we need to adjust to the new crop start
     int diff = (newstart - oldstart).frames(m_document->fps());
     int max = (newstart + duration).frames(m_document->fps());
+    QLocale locale;
     QDomNodeList params = xml.elementsByTagName("parameter");
     for (int i = 0; i < params.count(); i++) {
         QDomElement e = params.item(i).toElement();
@@ -5020,9 +5594,9 @@ void CustomTrackView::adjustKeyfames(GenTime oldstart, GenTime newstart, GenTime
                 double val = str.section(':', 1, 1).toDouble();
                 pos += diff;
                 if (pos > max) {
-                    newKeyFrames.append(QString::number(max) + ':' + QString::number(val));
+                    newKeyFrames.append(QString::number(max) + ':' + locale.toString(val));
                     break;
-                } else newKeyFrames.append(QString::number(pos) + ':' + QString::number(val));
+                } else newKeyFrames.append(QString::number(pos) + ':' + locale.toString(val));
             }
             //kDebug()<<"ORIGIN: "<<keys<<", FIXED: "<<newKeyFrames;
             e.setAttribute("keyframes", newKeyFrames.join(";"));
@@ -5095,24 +5669,7 @@ void CustomTrackView::setInPoint()
             return;
         }
     }
-    ItemInfo startInfo = clip->info();
-    ItemInfo endInfo = startInfo;
-    endInfo.startPos = GenTime(m_cursorPos, m_document->fps());
-    if (endInfo.startPos >= startInfo.endPos || endInfo.startPos < startInfo.startPos - startInfo.cropStart) {
-        // Check for invalid resize
-        emit displayMessage(i18n("Invalid action"), ErrorMessage);
-        return;
-    } else if (endInfo.startPos < startInfo.startPos) {
-        int length = m_document->renderer()->mltGetSpaceLength(endInfo.startPos, m_document->tracksCount() - startInfo.track, false);
-        if ((clip->type() == TRANSITIONWIDGET && itemCollision(clip, endInfo) == true) || (
-                    (clip->type() == AVWIDGET) && length < (startInfo.startPos - endInfo.startPos).frames(m_document->fps()))) {
-            emit displayMessage(i18n("Invalid action"), ErrorMessage);
-            return;
-        }
-    }
-    if (clip->type() == TRANSITIONWIDGET) {
-        m_commandStack->push(new MoveTransitionCommand(this, startInfo, endInfo, true));
-    } else m_commandStack->push(new ResizeClipCommand(this, startInfo, endInfo, true, false));
+    prepareResizeClipStart(clip, clip->info(), m_cursorPos, true);
 }
 
 void CustomTrackView::setOutPoint()
@@ -5126,27 +5683,7 @@ void CustomTrackView::setOutPoint()
             return;
         }
     }
-    ItemInfo startInfo = clip->info();
-    ItemInfo endInfo = clip->info();
-    endInfo.endPos = GenTime(m_cursorPos, m_document->fps());
-    CLIPTYPE type = (CLIPTYPE) static_cast <ClipItem *>(clip)->clipType();
-    if (endInfo.endPos <= startInfo.startPos || (type != IMAGE && type != COLOR && type != TEXT && endInfo.endPos > startInfo.startPos + clip->maxDuration() - startInfo.cropStart)) {
-        // Check for invalid resize
-        emit displayMessage(i18n("Invalid action"), ErrorMessage);
-        return;
-    } else if (endInfo.endPos > startInfo.endPos) {
-        int length = m_document->renderer()->mltGetSpaceLength(startInfo.endPos, m_document->tracksCount() - startInfo.track, false);
-        if ((clip->type() == TRANSITIONWIDGET && itemCollision(clip, endInfo) == true) || (clip->type() == AVWIDGET && length != -1 && length < (endInfo.endPos - startInfo.endPos).frames(m_document->fps()))) {
-            kDebug() << " RESIZE ERROR, BLNK: " << length << ", RESIZE: " << (endInfo.endPos - startInfo.endPos).frames(m_document->fps());
-            emit displayMessage(i18n("Invalid action"), ErrorMessage);
-            return;
-        }
-    }
-
-
-    if (clip->type() == TRANSITIONWIDGET) {
-        m_commandStack->push(new MoveTransitionCommand(this, startInfo, endInfo, true));
-    } else m_commandStack->push(new ResizeClipCommand(this, startInfo, endInfo, true, false));
+    prepareResizeClipEnd(clip, clip->info(), m_cursorPos, true);
 }
 
 void CustomTrackView::slotUpdateAllThumbs()
@@ -5159,7 +5696,7 @@ void CustomTrackView::slotUpdateAllThumbs()
     for (int i = 0; i < itemList.count(); i++) {
         if (itemList.at(i)->type() == AVWIDGET) {
             item = static_cast <ClipItem *>(itemList.at(i));
-            if (item->clipType() != COLOR && item->clipType() != AUDIO) {
+            if (item && item->isEnabled() && item->clipType() != COLOR && item->clipType() != AUDIO) {
                 // Check if we have a cached thumbnail
                 if (item->clipType() == IMAGE || item->clipType() == TEXT) {
                     QString thumb = thumbBase + item->baseClip()->getClipHash() + "_0.png";
@@ -5171,8 +5708,8 @@ void CustomTrackView::slotUpdateAllThumbs()
                 } else {
                     QString startThumb = thumbBase + item->baseClip()->getClipHash() + '_';
                     QString endThumb = startThumb;
-                    startThumb.append(QString::number(item->speedIndependantCropStart().frames(m_document->fps())) + ".png");
-                    endThumb.append(QString::number((item->speedIndependantCropStart() + item->speedIndependantCropDuration()).frames(m_document->fps()) - 1) + ".png");
+                    startThumb.append(QString::number((int) item->speedIndependantCropStart().frames(m_document->fps())) + ".png");
+                    endThumb.append(QString::number((int) (item->speedIndependantCropStart() + item->speedIndependantCropDuration()).frames(m_document->fps()) - 1) + ".png");
                     if (QFile::exists(startThumb)) {
                         QPixmap pix(startThumb);
                         if (pix.isNull()) KIO::NetAccess::del(KUrl(startThumb), this);
@@ -5184,9 +5721,8 @@ void CustomTrackView::slotUpdateAllThumbs()
                         item->slotSetEndThumb(pix);
                     }
                 }
+                item->refreshClip(false, false);
             }
-            item->refreshClip(false);
-            //qApp->processEvents();
         }
     }
     viewport()->update();
@@ -5211,8 +5747,8 @@ void CustomTrackView::saveThumbnails()
                 } else {
                     QString startThumb = thumbBase + item->baseClip()->getClipHash() + '_';
                     QString endThumb = startThumb;
-                    startThumb.append(QString::number(item->speedIndependantCropStart().frames(m_document->fps())) + ".png");
-                    endThumb.append(QString::number((item->speedIndependantCropStart() + item->speedIndependantCropDuration()).frames(m_document->fps()) - 1) + ".png");
+                    startThumb.append(QString::number((int) item->speedIndependantCropStart().frames(m_document->fps())) + ".png");
+                    endThumb.append(QString::number((int) (item->speedIndependantCropStart() + item->speedIndependantCropDuration()).frames(m_document->fps()) - 1) + ".png");
                     if (!QFile::exists(startThumb)) {
                         QPixmap pix(item->startThumb());
                         pix.save(startThumb);
@@ -5231,28 +5767,24 @@ void CustomTrackView::saveThumbnails()
 void CustomTrackView::slotInsertTrack(int ix)
 {
     TrackDialog d(m_document, parentWidget());
+    d.comboTracks->setCurrentIndex(ix);
     d.label->setText(i18n("Insert track"));
-    d.track_nb->setMaximum(m_document->tracksCount() - 1);
-    d.track_nb->setValue(ix);
     d.setWindowTitle(i18n("Insert New Track"));
-    d.slotUpdateName(ix);
 
     if (d.exec() == QDialog::Accepted) {
-        ix = d.track_nb->value();
-        if (d.before_select->currentIndex() == 1) {
+        ix = d.comboTracks->currentIndex();
+        if (d.before_select->currentIndex() == 1)
             ix++;
-        }
         TrackInfo info;
+        info.duration = 0;
+        info.isMute = false;
+        info.isLocked = false;
         if (d.video_track->isChecked()) {
             info.type = VIDEOTRACK;
-            info.isMute = false;
             info.isBlind = false;
-            info.isLocked = false;
         } else {
             info.type = AUDIOTRACK;
-            info.isMute = false;
             info.isBlind = true;
-            info.isLocked = false;
         }
         AddTrackCommand *addTrack = new AddTrackCommand(this, ix, info, true);
         m_commandStack->push(addTrack);
@@ -5262,17 +5794,16 @@ void CustomTrackView::slotInsertTrack(int ix)
 
 void CustomTrackView::slotDeleteTrack(int ix)
 {
+    if (m_document->tracksCount() < 2) return;
     TrackDialog d(m_document, parentWidget());
+    d.comboTracks->setCurrentIndex(ix);
     d.label->setText(i18n("Delete track"));
     d.before_select->setHidden(true);
-    d.track_nb->setMaximum(m_document->tracksCount() - 1);
-    d.track_nb->setValue(ix);
-    d.slotUpdateName(ix);
     d.setWindowTitle(i18n("Delete Track"));
     d.video_track->setHidden(true);
     d.audio_track->setHidden(true);
     if (d.exec() == QDialog::Accepted) {
-        ix = d.track_nb->value();
+        ix = d.comboTracks->currentIndex();
         TrackInfo info = m_document->trackInfoAt(m_document->tracksCount() - ix - 1);
         deleteTimelineTrack(ix, info);
         setDocumentModified();
@@ -5281,44 +5812,24 @@ void CustomTrackView::slotDeleteTrack(int ix)
     }
 }
 
-void CustomTrackView::slotChangeTrack(int ix)
+void CustomTrackView::slotConfigTracks(int ix)
 {
-    TrackDialog d(m_document, parentWidget());
-    d.label->setText(i18n("Change track"));
-    d.before_select->setHidden(true);
-    d.track_nb->setMaximum(m_document->tracksCount() - 1);
-    d.track_nb->setValue(ix);
-    d.slotUpdateName(ix);
-    d.setWindowTitle(i18n("Change Track Type"));
-
-    TrackInfo oldInfo = m_document->trackInfoAt(m_document->tracksCount() - ix - 1);
-    if (oldInfo.type == VIDEOTRACK)
-        d.video_track->setChecked(true);
-    else
-        d.audio_track->setChecked(true);
-
+    TracksConfigDialog d(m_document, ix, parentWidget());
     if (d.exec() == QDialog::Accepted) {
-        TrackInfo info;
-        info.isLocked = false;
-        info.isMute = false;
-        info.trackName = oldInfo.trackName;
-        ix = d.track_nb->value();
-
-        if (d.video_track->isChecked()) {
-            info.type = VIDEOTRACK;
-            info.isBlind = false;
-        } else {
-            info.type = AUDIOTRACK;
-            info.isBlind = true;
+        ConfigTracksCommand *configTracks = new ConfigTracksCommand(this, m_document->tracksList(), d.tracksList());
+        m_commandStack->push(configTracks);
+        QList <int> toDelete = d.deletedTracks();
+        for (int i = 0; i < toDelete.count(); ++i) {
+            TrackInfo info = m_document->trackInfoAt(m_document->tracksCount() - toDelete.at(i) + i - 1);
+            deleteTimelineTrack(toDelete.at(i) - i, info);
         }
-        changeTimelineTrack(ix, info);
         setDocumentModified();
     }
 }
 
-
 void CustomTrackView::deleteTimelineTrack(int ix, TrackInfo trackinfo)
 {
+    if (m_document->tracksCount() < 2) return;
     double startY = ix * m_tracksHeight + 1 + m_tracksHeight / 2;
     QRectF r(0, startY, sceneRect().width(), m_tracksHeight / 2 - 1);
     QList<QGraphicsItem *> selection = m_scene->items(r);
@@ -5330,6 +5841,7 @@ void CustomTrackView::deleteTimelineTrack(int ix, TrackInfo trackinfo)
         if (selection.at(i)->type() == AVWIDGET) {
             ClipItem *item =  static_cast <ClipItem *>(selection.at(i));
             new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, false, true, deleteTrack);
+            m_waitingThumbs.removeAll(item);
             m_scene->removeItem(item);
             delete item;
             item = NULL;
@@ -5346,13 +5858,6 @@ void CustomTrackView::deleteTimelineTrack(int ix, TrackInfo trackinfo)
     m_commandStack->push(deleteTrack);
 }
 
-void CustomTrackView::changeTimelineTrack(int ix, TrackInfo trackinfo)
-{
-    TrackInfo oldinfo = m_document->trackInfoAt(m_document->tracksCount() - ix - 1);
-    ChangeTrackCommand *changeTrack = new ChangeTrackCommand(this, ix, oldinfo, trackinfo);
-    m_commandStack->push(changeTrack);
-}
-
 void CustomTrackView::autoTransition()
 {
     QList<QGraphicsItem *> itemList = scene()->selectedItems();
@@ -5367,26 +5872,7 @@ void CustomTrackView::autoTransition()
     setDocumentModified();
 }
 
-
-QStringList CustomTrackView::getLadspaParams(QDomElement effect) const
-{
-    QStringList result;
-    QDomNodeList params = effect.elementsByTagName("parameter");
-    for (int i = 0; i < params.count(); i++) {
-        QDomElement e = params.item(i).toElement();
-        if (!e.isNull() && e.attribute("type") == "constant") {
-            if (e.hasAttribute("factor")) {
-                double factor = e.attribute("factor").toDouble();
-                double value = e.attribute("value").toDouble();
-                value = value / factor;
-                result.append(QString::number(value));
-            } else result.append(e.attribute("value"));
-        }
-    }
-    return result;
-}
-
-void CustomTrackView::clipNameChanged(const QString id, const QString name)
+void CustomTrackView::clipNameChanged(const QString &id, const QString &name)
 {
     QList<QGraphicsItem *> list = scene()->items();
     ClipItem *clip = NULL;
@@ -5433,15 +5919,13 @@ void CustomTrackView::getTransitionAvailableSpace(AbstractClipItem *item, GenTim
     }
 }
 
-
-void CustomTrackView::loadGroups(const QDomNodeList groups)
+void CustomTrackView::loadGroups(const QDomNodeList &groups)
 {
     for (int i = 0; i < groups.count(); i++) {
         QDomNodeList children = groups.at(i).childNodes();
         scene()->clearSelection();
         for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
-            QDomNode n = children.item(nodeindex);
-            QDomElement elem = n.toElement();
+            QDomElement elem = children.item(nodeindex).toElement();
             int pos = elem.attribute("position").toInt();
             int track = elem.attribute("track").toInt();
             if (elem.tagName() == "clipitem") {
@@ -5461,7 +5945,7 @@ void CustomTrackView::splitAudio()
     resetSelectionGroup();
     QList<QGraphicsItem *> selection = scene()->selectedItems();
     if (selection.isEmpty()) {
-        emit displayMessage(i18n("You must select one clip for this action"), ErrorMessage);
+        emit displayMessage(i18n("You must select at least one clip for this action"), ErrorMessage);
         return;
     }
     QUndoCommand *splitCommand = new QUndoCommand();
@@ -5473,15 +5957,20 @@ void CustomTrackView::splitAudio()
                 if (clip->parentItem()) {
                     emit displayMessage(i18n("Cannot split audio of grouped clips"), ErrorMessage);
                 } else {
-                    new SplitAudioCommand(this, clip->track(), clip->startPos(), splitCommand);
+                    EffectsList effects;
+                    effects.clone(clip->effectList());
+                    new SplitAudioCommand(this, clip->track(), clip->startPos(), effects, splitCommand);
                 }
             }
         }
     }
-    m_commandStack->push(splitCommand);
+    if (splitCommand->childCount()) {
+        updateTrackDuration(-1, splitCommand);
+        m_commandStack->push(splitCommand);
+    }
 }
 
-void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
+void CustomTrackView::doSplitAudio(const GenTime &pos, int track, EffectsList effects, bool split)
 {
     ClipItem *clip = getClipItemAt(pos, track);
     if (clip == NULL) {
@@ -5491,12 +5980,17 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
     if (split) {
         int start = pos.frames(m_document->fps());
         int freetrack = m_document->tracksCount() - track - 1;
+
+        // do not split audio when we are on an audio track
+        if (m_document->trackInfoAt(freetrack).type == AUDIOTRACK)
+            return;
+
         for (; freetrack > 0; freetrack--) {
-            kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
-            if (m_document->trackInfoAt(freetrack - 1).type == AUDIOTRACK) {
-                kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
+            //kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
+            if (m_document->trackInfoAt(freetrack - 1).type == AUDIOTRACK && !m_document->trackInfoAt(freetrack - 1).isLocked) {
+                //kDebug() << "// CHK DOC TRK:" << freetrack << ", DUR:" << m_document->renderer()->mltTrackDuration(freetrack);
                 if (m_document->renderer()->mltTrackDuration(freetrack) < start || m_document->renderer()->mltGetSpaceLength(pos, freetrack, false) >= clip->cropDuration().frames(m_document->fps())) {
-                    kDebug() << "FOUND SPACE ON TRK: " << freetrack;
+                    //kDebug() << "FOUND SPACE ON TRK: " << freetrack;
                     break;
                 }
             }
@@ -5512,15 +6006,31 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
             clip->setSelected(true);
             ClipItem *audioClip = getClipItemAt(start, info.track);
             if (audioClip) {
+                Mlt::Tractor *tractor = m_document->renderer()->lockService();
                 clip->setVideoOnly(true);
-                if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->videoProducer()) == false) {
+                if (m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - track, start, clip->baseClip()->videoProducer()) == false) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, track), ErrorMessage);
                 }
-                if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - info.track, start, clip->baseClip()->audioProducer(info.track)) == false) {
+                if (m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - info.track, start, clip->baseClip()->audioProducer(info.track)) == false) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, info.track), ErrorMessage);
                 }
+                m_document->renderer()->unlockService(tractor);
                 audioClip->setSelected(true);
                 audioClip->setAudioOnly(true);
+
+                // keep video effects, move audio effects to audio clip
+                int videoIx = 0;
+                int audioIx = 0;
+                for (int i = 0; i < effects.count(); ++i) {
+                    if (effects.at(i).attribute("type") == "audio") {
+                        deleteEffect(m_document->tracksCount() - track, pos, clip->effectAt(videoIx));
+                        audioIx++;
+                    } else {
+                        deleteEffect(freetrack, pos, audioClip->effectAt(audioIx));
+                        videoIx++;
+                    }
+                }
+
                 groupSelectedItems(false, true);
             }
         }
@@ -5542,9 +6052,19 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
                 ItemInfo info = clip->info();
                 deleteClip(clp->info());
                 clip->setVideoOnly(false);
-                if (!m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - info.track, info.startPos.frames(m_document->fps()), clip->baseClip()->producer(info.track))) {
+                Mlt::Tractor *tractor = m_document->renderer()->lockService();
+                if (!m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - info.track, info.startPos.frames(m_document->fps()), clip->baseClip()->getProducer(info.track))) {
                     emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", info.startPos.frames(m_document->fps()), info.track), ErrorMessage);
                 }
+                m_document->renderer()->unlockService(tractor);
+
+                // re-add audio effects
+                for (int i = 0; i < effects.count(); ++i) {
+                    if (effects.at(i).attribute("type") == "audio") {
+                        addEffect(m_document->tracksCount() - track, pos, effects.at(i));
+                    }
+                }
+
                 break;
             }
         }
@@ -5636,28 +6156,30 @@ void CustomTrackView::doChangeClipType(const GenTime &pos, int track, bool video
         kDebug() << "// Cannot find clip to split!!!";
         return;
     }
+    Mlt::Tractor *tractor = m_document->renderer()->lockService();
     if (videoOnly) {
         int start = pos.frames(m_document->fps());
         clip->setVideoOnly(true);
         clip->setAudioOnly(false);
-        if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->videoProducer()) == false) {
+        if (m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - track, start, clip->baseClip()->videoProducer()) == false) {
             emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, track), ErrorMessage);
         }
     } else if (audioOnly) {
         int start = pos.frames(m_document->fps());
         clip->setAudioOnly(true);
         clip->setVideoOnly(false);
-        if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->audioProducer(track)) == false) {
+        if (m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - track, start, clip->baseClip()->audioProducer(track)) == false) {
             emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, track), ErrorMessage);
         }
     } else {
         int start = pos.frames(m_document->fps());
         clip->setAudioOnly(false);
         clip->setVideoOnly(false);
-        if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->producer(track)) == false) {
+        if (m_document->renderer()->mltUpdateClipProducer(tractor, m_document->tracksCount() - track, start, clip->baseClip()->getProducer(track)) == false) {
             emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, track), ErrorMessage);
         }
     }
+    m_document->renderer()->unlockService(tractor);
     clip->update();
     setDocumentModified();
 }
@@ -5771,6 +6293,7 @@ void CustomTrackView::updateProjectFps()
             m_document->clipManager()->removeGroup(grp);
             m_scene->addItem(grp);
             scene()->destroyItemGroup(grp);
+            scene()->clearSelection();
             for (int j = 0; j < children.count(); j++) {
                 if (children.at(j)->type() == AVWIDGET || children.at(j)->type() == TRANSITIONWIDGET) {
                     //children.at(j)->setParentItem(0);
@@ -5825,6 +6348,18 @@ QStringList CustomTrackView::selectedClips() const
     return clipIds;
 }
 
+QList<ClipItem *> CustomTrackView::selectedClipItems() const
+{
+    QList<ClipItem *> clips;
+    QList<QGraphicsItem *> selection = m_scene->selectedItems();
+    for (int i = 0; i < selection.count(); i++) {
+        if (selection.at(i)->type() == AVWIDGET) {
+            clips.append((ClipItem *)selection.at(i));
+        }
+    }
+    return clips;
+}
+
 void CustomTrackView::slotSelectTrack(int ix)
 {
     m_selectedTrack = qMax(0, ix);
@@ -5835,9 +6370,13 @@ void CustomTrackView::slotSelectTrack(int ix)
     viewport()->update();
 }
 
-void CustomTrackView::selectClip(bool add, bool group)
+void CustomTrackView::selectClip(bool add, bool group, int track, int pos)
 {
-    QRectF rect(m_cursorPos, m_selectedTrack * m_tracksHeight + m_tracksHeight / 2, 1, 1);
+    QRectF rect;
+    if (track != -1 && pos != -1)
+        rect = QRectF(pos, track * m_tracksHeight + m_tracksHeight / 2, 1, 1);
+    else
+        rect = QRectF(m_cursorPos, m_selectedTrack * m_tracksHeight + m_tracksHeight / 2, 1, 1);
     QList<QGraphicsItem *> selection = m_scene->items(rect);
     resetSelectionGroup(group);
     if (!group) m_scene->clearSelection();
@@ -5875,10 +6414,15 @@ QStringList CustomTrackView::extractTransitionsLumas()
         if (itemList.at(i)->type() == TRANSITIONWIDGET) {
             transitionitem = static_cast <Transition*>(itemList.at(i));
             transitionXml = transitionitem->toXML();
+            // luma files in transitions can be in "resource" or "luma" property
             QString luma = EffectsList::parameter(transitionXml, "luma");
-            if (!luma.isEmpty()) urls << luma;
+            if (luma.isEmpty()) luma = EffectsList::parameter(transitionXml, "resource");
+            if (!luma.isEmpty()) urls << KUrl(luma).path();
         }
     }
+#if QT_VERSION >= 0x040500
+    urls.removeDuplicates();
+#endif
     return urls;
 }
 
@@ -5923,7 +6467,13 @@ void CustomTrackView::insertZoneOverwrite(QStringList data, int in)
     addCommand->setText(i18n("Insert clip"));
     adjustTimelineClips(OVERWRITEEDIT, NULL, info, addCommand);
     new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), info, EffectsList(), true, false, true, false, addCommand);
+    updateTrackDuration(info.track, addCommand);
     m_commandStack->push(addCommand);
+
+    selectClip(true, false, m_selectedTrack, in);
+    // Automatic audio split
+    if (KdenliveSettings::splitaudio())
+        splitAudio();
 }
 
 void CustomTrackView::clearSelection()
@@ -5934,3 +6484,297 @@ void CustomTrackView::clearSelection()
     emit clipItemSelected(NULL);
 }
 
+void CustomTrackView::updatePalette()
+{
+    m_activeTrackBrush = KStatefulBrush(KColorScheme::View, KColorScheme::ActiveBackground, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
+    if (m_cursorLine) {
+        QPen pen1 = QPen();
+        pen1.setWidth(1);
+        pen1.setColor(palette().text().color());
+        m_cursorLine->setPen(pen1);
+    }
+    emit tracksChanged();
+}
+
+void CustomTrackView::removeTipAnimation()
+{
+    if (m_visualTip) {
+        scene()->removeItem(m_visualTip);
+        m_animationTimer->stop();
+        delete m_animation;
+        m_animation = NULL;
+        delete m_visualTip;
+        m_visualTip = NULL;
+    }
+}
+
+void CustomTrackView::setTipAnimation(AbstractClipItem *clip, OPERATIONTYPE mode, const double size)
+{
+    if (m_visualTip == NULL) {
+        QRectF rect = clip->sceneBoundingRect();
+        m_animation = new QGraphicsItemAnimation;
+        m_animation->setTimeLine(m_animationTimer);
+        m_animation->setScaleAt(1, 1, 1);
+        QPolygon polygon;
+        switch (mode) {
+        case FADEIN:
+        case FADEOUT:
+            m_visualTip = new QGraphicsEllipseItem(-size, -size, size * 2, size * 2);
+            ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
+            ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
+            if (mode == FADEIN)
+                m_visualTip->setPos(rect.x() + ((ClipItem *) clip)->fadeIn(), rect.y());
+            else
+                m_visualTip->setPos(rect.right() - ((ClipItem *) clip)->fadeOut(), rect.y());
+
+            m_animation->setScaleAt(.5, 2, 2);
+            break;
+        case RESIZESTART:
+        case RESIZEEND:
+            polygon << QPoint(0, - size * 2);
+            if (mode == RESIZESTART)
+                polygon << QPoint(size * 2, 0);
+            else
+                polygon << QPoint(- size * 2, 0);
+            polygon << QPoint(0, size * 2);
+            polygon << QPoint(0, - size * 2);
+
+            m_visualTip = new QGraphicsPolygonItem(polygon);
+            ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
+            ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
+            if (mode == RESIZESTART)
+                m_visualTip->setPos(rect.x(), rect.y() + rect.height() / 2);
+            else
+                m_visualTip->setPos(rect.right(), rect.y() + rect.height() / 2);
+
+            m_animation->setScaleAt(.5, 2, 1);
+            break;
+        case TRANSITIONSTART:
+        case TRANSITIONEND:
+            polygon << QPoint(0, - size * 2);
+            if (mode == TRANSITIONSTART)
+                polygon << QPoint(size * 2, 0);
+            else
+                polygon << QPoint(- size * 2, 0);
+            polygon << QPoint(0, 0);
+            polygon << QPoint(0, - size * 2);
+
+            m_visualTip = new QGraphicsPolygonItem(polygon);
+            ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
+            ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
+            if (mode == TRANSITIONSTART)
+                m_visualTip->setPos(rect.x(), rect.bottom());
+            else
+                m_visualTip->setPos(rect.right(), rect.bottom());
+
+            m_animation->setScaleAt(.5, 2, 2);
+            break;
+        default:
+            delete m_animation;
+            return;
+        }
+
+        m_visualTip->setFlags(QGraphicsItem::ItemIgnoresTransformations);
+        m_visualTip->setZValue(100);
+        scene()->addItem(m_visualTip);
+        m_animation->setItem(m_visualTip);
+        m_animationTimer->start();
+    }
+}
+
+bool CustomTrackView::hasAudio(int track) const
+{
+    QRectF rect(0, (double)(track * m_tracksHeight + 1), (double) sceneRect().width(), (double)(m_tracksHeight - 1));
+    QList<QGraphicsItem *> collisions = scene()->items(rect, Qt::IntersectsItemBoundingRect);
+    QGraphicsItem *item;
+    for (int i = 0; i < collisions.count(); i++) {
+        item = collisions.at(i);
+        if (!item->isEnabled()) continue;
+        if (item->type() == AVWIDGET) {
+            ClipItem *clip = static_cast <ClipItem *>(item);
+            if (!clip->isVideoOnly() && (clip->clipType() == AUDIO || clip->clipType() == AV || clip->clipType() == PLAYLIST)) return true;
+        }
+    }
+    return false;
+}
+
+void CustomTrackView::slotAddTrackEffect(const QDomElement &effect, int ix)
+{
+    AddEffectCommand *command = new AddEffectCommand(this, m_document->tracksCount() - ix, GenTime(-1), effect, true);
+    m_commandStack->push(command);
+    setDocumentModified();
+}
+
+
+EffectsParameterList CustomTrackView::getEffectArgs(const QDomElement &effect)
+{
+    EffectsParameterList parameters;
+    QLocale locale;
+    parameters.addParam("tag", effect.attribute("tag"));
+    if (effect.hasAttribute("region")) parameters.addParam("region", effect.attribute("region"));
+    parameters.addParam("kdenlive_ix", effect.attribute("kdenlive_ix"));
+    parameters.addParam("id", effect.attribute("id"));
+    if (effect.hasAttribute("src")) parameters.addParam("src", effect.attribute("src"));
+    if (effect.hasAttribute("disable")) parameters.addParam("disable", effect.attribute("disable"));
+    if (effect.hasAttribute("in")) parameters.addParam("in", effect.attribute("in"));
+    if (effect.hasAttribute("out")) parameters.addParam("out", effect.attribute("out"));
+
+    QDomNodeList params = effect.elementsByTagName("parameter");
+    for (int i = 0; i < params.count(); i++) {
+        QDomElement e = params.item(i).toElement();
+        if (e.attribute("type") == "geometry" && !e.hasAttribute("fixed")) {
+            // effects with geometry param need in / out synced with the clip, request it...
+            parameters.addParam("_sync_in_out", "1");
+        }
+        if (e.attribute("type") == "simplekeyframe") {
+
+            QStringList values = e.attribute("keyframes").split(";", QString::SkipEmptyParts);
+            double factor = e.attribute("factor", "1").toDouble();
+            double offset = e.attribute("offset", "0").toDouble();
+            for (int j = 0; j < values.count(); j++) {
+                QString pos = values.at(j).section(':', 0, 0);
+                double val = (values.at(j).section(':', 1, 1).toDouble() - offset) / factor;
+                values[j] = pos + "=" + locale.toString(val);
+            }
+            // kDebug() << "/ / / /SENDING KEYFR:" << values;
+            parameters.addParam(e.attribute("name"), values.join(";"));
+            /*parameters.addParam(e.attribute("name"), e.attribute("keyframes").replace(":", "="));
+            parameters.addParam("max", e.attribute("max"));
+            parameters.addParam("min", e.attribute("min"));
+            parameters.addParam("factor", e.attribute("factor", "1"));*/
+        } else if (e.attribute("type") == "keyframe") {
+            kDebug() << "/ / / /SENDING KEYFR EFFECT TYPE";
+            parameters.addParam("keyframes", e.attribute("keyframes"));
+            parameters.addParam("max", e.attribute("max"));
+            parameters.addParam("min", e.attribute("min"));
+            parameters.addParam("factor", e.attribute("factor", "1"));
+            parameters.addParam("offset", e.attribute("offset", "0"));
+            parameters.addParam("starttag", e.attribute("starttag", "start"));
+            parameters.addParam("endtag", e.attribute("endtag", "end"));
+        } else if (e.attribute("namedesc").contains(';')) {
+            QString format = e.attribute("format");
+            QStringList separators = format.split("%d", QString::SkipEmptyParts);
+            QStringList values = e.attribute("value").split(QRegExp("[,:;x]"));
+            QString neu;
+            QTextStream txtNeu(&neu);
+            if (values.size() > 0)
+                txtNeu << (int)values[0].toDouble();
+            for (int i = 0; i < separators.size() && i + 1 < values.size(); i++) {
+                txtNeu << separators[i];
+                txtNeu << (int)(values[i+1].toDouble());
+            }
+            parameters.addParam("start", neu);
+        } else {
+            if (e.attribute("factor", "1") != "1" || e.attribute("offset", "0") != "0") {
+                double fact;
+                if (e.attribute("factor").contains('%')) {
+                    fact = ProfilesDialog::getStringEval(m_document->mltProfile(), e.attribute("factor"));
+                } else {
+                    fact = e.attribute("factor", "1").toDouble();
+                }
+                double offset = e.attribute("offset", "0").toDouble();
+                parameters.addParam(e.attribute("name"), locale.toString((e.attribute("value").toDouble() - offset) / fact));
+            } else {
+                parameters.addParam(e.attribute("name"), e.attribute("value"));
+            }
+        }
+    }
+    return parameters;
+}
+
+void CustomTrackView::updateTrackNames(int track, bool added)
+{
+    QList <TrackInfo> tracks = m_document->tracksList();
+    int max = tracks.count();
+    int docTrack = max - track - 1;
+
+    // count number of tracks of each type
+    int videoTracks = 0;
+    int audioTracks = 0;
+    for (int i = max - 1; i >= 0; --i) {
+        TrackInfo info = tracks.at(i);
+        if (info.type == VIDEOTRACK)
+            videoTracks++;
+        else
+            audioTracks++;
+
+        if (i <= docTrack) {
+            QString type = (info.type == VIDEOTRACK ? "Video " : "Audio ");
+            int typeNumber = (info.type == VIDEOTRACK ? videoTracks : audioTracks);
+
+            if (added) {
+                if (i == docTrack || info.trackName == type + QString::number(typeNumber - 1)) {
+                    info.trackName = type + QString::number(typeNumber);
+                    m_document->setTrackType(i, info);
+                }
+            } else {
+                if (info.trackName == type + QString::number(typeNumber + 1)) {
+                    info.trackName = type + QString::number(typeNumber);
+                    m_document->setTrackType(i, info);
+                }
+            }
+        }
+    }
+    emit tracksChanged();
+}
+
+void CustomTrackView::updateTrackDuration(int track, QUndoCommand *command)
+{
+    Q_UNUSED(command)
+
+    QList<int> tracks;
+    if (track >= 0) {
+        tracks << m_document->tracksCount() - track - 1;
+    } else {
+        // negative track number -> update all tracks
+        for (int i = 0; i < m_document->tracksCount(); ++i)
+            tracks << i;
+    }
+    int t, duration;
+    for (int i = 0; i < tracks.count(); ++i) {
+        t = tracks.at(i);
+        // t + 1 because of black background track
+        duration = m_document->renderer()->mltTrackDuration(t + 1);
+        if (duration != m_document->trackDuration(t)) {
+            m_document->setTrackDuration(t, duration);
+
+            // update effects
+            EffectsList effects = m_document->getTrackEffects(t);
+            for (int j = 0; j < effects.count(); ++j) {
+                /* TODO
+                 * - lookout for keyframable parameters and update them so all keyframes are in the new range (0 - duration)
+                 * - update the effectstack if necessary
+                 */
+            }
+        }
+    }
+}
+
+void CustomTrackView::slotRefreshThumbs(const QString &id, bool resetThumbs)
+{
+    QList<QGraphicsItem *> list = scene()->items();
+    ClipItem *clip = NULL;
+    for (int i = 0; i < list.size(); ++i) {
+        if (list.at(i)->type() == AVWIDGET) {
+            clip = static_cast <ClipItem *>(list.at(i));
+            if (clip->clipProducer() == id) {
+                clip->refreshClip(true, resetThumbs);
+            }
+        }
+    }
+}
+
+void CustomTrackView::adjustEffects(ClipItem* item, ItemInfo oldInfo, QUndoCommand* command)
+{
+    QMap<int, QDomElement> effects = item->adjustEffectsToDuration(m_document->width(), m_document->height(), oldInfo);
+
+    if (effects.count()) {
+        QMap<int, QDomElement>::const_iterator i = effects.constBegin();
+        while (i != effects.constEnd()) {
+            new EditEffectCommand(this, m_document->tracksCount() - item->track(), item->startPos(), i.value(), item->effectAt(i.key()), i.key(), false, command);
+            ++i;
+        }
+    }
+}
+
+