X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcustomtrackview.cpp;h=decf2029a0c5cee06a23c3c9fce9b8d0a9827743;hb=cdd991d7dbc7b127322a247deafdcaa5e297452f;hp=4d23ec715ffa44773456692dbbfff33d958312aa;hpb=42220340dad36eb6eb43dd20bf42fcc8dc8023a7;p=kdenlive

diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index 4d23ec71..decf2029 100644
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -385,7 +385,6 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             return;
         } else if (m_operationMode == SPACER && move && m_selectionGroup) {
             // spacer tool
-            int mappedClick = (int)(mapToScene(m_clickEvent).x() + 0.5);
             if (snappedPos < 0) snappedPos = 0;
             // Make sure there is no collision
             QList<QGraphicsItem *> children = m_selectionGroup->childItems();
@@ -959,7 +958,11 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         if (transitiontrack != 0) transitionClip = getClipItemAt((int) info.startPos.frames(m_document->fps()), m_document->tracksCount() - transitiontrack);
         if (transitionClip && transitionClip->endPos() < m_dragItem->endPos()) {
             info.endPos = transitionClip->endPos();
-        } else info.endPos = info.startPos + GenTime(65, m_document->fps());
+        } else {
+            GenTime transitionDuration(65, m_document->fps());
+            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
         double startY = info.track * m_tracksHeight + 1 + m_tracksHeight / 2;
@@ -985,7 +988,11 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         if (transitiontrack != 0) transitionClip = getClipItemAt((int) info.endPos.frames(m_document->fps()), m_document->tracksCount() - transitiontrack);
         if (transitionClip && transitionClip->startPos() > m_dragItem->startPos()) {
             info.startPos = transitionClip->startPos();
-        } else info.startPos = info.endPos - GenTime(65, m_document->fps());
+        } else {
+            GenTime transitionDuration(65, m_document->fps());
+            if (m_dragItem->cropDuration() < transitionDuration) info.startPos = m_dragItem->startPos();
+            else info.startPos = info.endPos - transitionDuration;
+        }
         if (info.endPos == info.startPos) info.startPos = info.endPos - GenTime(65, m_document->fps());
         QDomElement transition = MainWindow::transitions.getEffectByTag("luma", "dissolve").cloneNode().toElement();
         EffectsList::setParameter(transition, "reverse", "1");
@@ -1270,7 +1277,6 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
         info.cropStart = GenTime(list.at(1).toInt(), m_document->fps());
         info.endPos = GenTime(list.at(2).toInt() - list.at(1).toInt(), m_document->fps());
         info.cropDuration = info.endPos - info.startPos;
-        info.originalcropStart = info.cropStart;
         info.track = 0;
 
         // Check if clip can be inserted at that position
@@ -1406,11 +1412,10 @@ void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect)
                 emit displayMessage(i18n("Problem adding effect to clip"), ErrorMessage);
                 return;
             }
-            ItemInfo info = clip->info();
             double speed = EffectsList::parameter(effect, "speed").toDouble() / 100.0;
             int strobe = EffectsList::parameter(effect, "strobe").toInt();
             if (strobe == 0) strobe = 1;
-            doChangeClipSpeed(info, speed, 1.0, strobe, clip->baseClip()->getId());
+            doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), speed, 1.0, strobe, clip->baseClip()->getId());
             EffectsParameterList params = clip->addEffect(effect);
             m_document->renderer()->mltAddEffect(track, pos, params);
             if (clip->isSelected()) emit clipItemSelected(clip);
@@ -1435,8 +1440,7 @@ void CustomTrackView::deleteEffect(int track, GenTime pos, QDomElement effect)
     if (effect.attribute("id") == "speed") {
         ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()), m_document->tracksCount() - track);
         if (clip) {
-            ItemInfo info = clip->info();
-            doChangeClipSpeed(info, 1.0, clip->speed(), 1, clip->baseClip()->getId());
+            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);
@@ -1539,7 +1543,9 @@ void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track)
             if (item->isItemLocked()) {
                 continue;
             }
-            item->initEffect(effect);
+            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));
@@ -1569,13 +1575,12 @@ void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement insertedE
     if (clip) {
         // Special case: speed effect
         if (effect.attribute("id") == "speed") {
-            ItemInfo info = clip->info();
-            if (effect.attribute("disabled") == "1") doChangeClipSpeed(info, 1.0, clip->speed(), 1, clip->baseClip()->getId());
+            if (effect.attribute("disabled") == "1") doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), 1.0, clip->speed(), 1, clip->baseClip()->getId());
             else {
                 double speed = EffectsList::parameter(effect, "speed").toDouble() / 100.0;
                 int strobe = EffectsList::parameter(effect, "strobe").toInt();
                 if (strobe == 0) strobe = 1;
-                doChangeClipSpeed(info, speed, clip->speed(), strobe, clip->baseClip()->getId());
+                doChangeClipSpeed(clip->info(), clip->speedIndependantInfo(), speed, clip->speed(), strobe, clip->baseClip()->getId());
             }
             clip->setEffectAt(ix, effect);
             if (ix == clip->selectedEffectIndex()) {
@@ -1684,16 +1689,14 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
 
         m_document->renderer()->mltCutClip(m_document->tracksCount() - info.track, cutTime);
         int cutPos = (int) cutTime.frames(m_document->fps());
-        ItemInfo newPos = info;
-        double speed = item->speed();
+        ItemInfo newPos;
         newPos.startPos = cutTime;
         newPos.endPos = info.endPos;
         newPos.cropStart = item->info().cropStart + (cutTime - info.startPos);
         newPos.track = info.track;
-        newPos.cropDuration = GenTime((int)((newPos.endPos - newPos.startPos).frames(m_document->fps()) * speed), m_document->fps());
-        newPos.originalcropStart = GenTime((int)(newPos.cropStart .frames(m_document->fps()) * speed), m_document->fps());
+        newPos.cropDuration = newPos.endPos - newPos.startPos;
+
 
-        
         ClipItem *dup = item->clone(newPos);
         // remove unwanted effects (fade in) from 2nd part of cutted clip
         int ix = dup->hasEffect(QString(), "fadein");
@@ -1706,7 +1709,7 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
             QDomElement oldeffect = item->effectAt(ix);
             dup->deleteEffect(oldeffect.attribute("kdenlive_ix"));
         }
-        item->resizeEnd(cutPos, false);
+        item->resizeEnd(cutPos);
         scene()->addItem(dup);
         if (item->checkKeyFrames()) slotRefreshEffects(item);
         if (dup->checkKeyFrames()) slotRefreshEffects(dup);
@@ -2076,7 +2079,10 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
                     if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
                     else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
                     else prod = clip->baseClip()->producer(clipinfo.track);
-                    m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod);
+                    if (m_document->renderer()->mltUpdateClipProducer((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);
+                    }
                 }
             } else if (item->type() == TRANSITIONWIDGET) {
                 Transition *tr = static_cast <Transition *>(item);
@@ -2098,7 +2104,7 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
     m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
     setSceneRect(0, 0, sceneRect().width(), maxHeight);
     viewport()->update();
-    emit trackHeightChanged();
+    emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
     //setFixedHeight(50 * m_tracksCount);
 }
@@ -2146,7 +2152,9 @@ void CustomTrackView::removeTrack(int ix)
                 if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(clipinfo.track);
                 else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
                 else prod = clip->baseClip()->producer(clipinfo.track);
-                m_document->renderer()->mltUpdateClipProducer((int)(m_document->tracksCount() - clipinfo.track), clipinfo.startPos.frames(m_document->fps()), prod);
+                if (!m_document->renderer()->mltUpdateClipProducer((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);
+                }
             }
         } else if (children.at(i)->type() == TRANSITIONWIDGET) {
             Transition *tr = static_cast <Transition *>(children.at(i));
@@ -2169,7 +2177,7 @@ void CustomTrackView::removeTrack(int ix)
     m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
     setSceneRect(0, 0, sceneRect().width(), maxHeight);
     viewport()->update();
-    emit trackHeightChanged();
+    emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
 }
 
@@ -2679,14 +2687,17 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             }
             if (m_dragItem->type() == TRANSITIONWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
                 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_dragItem->track()), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
+                int transitionTrack;
+                if (!transition->forcedTrack()) transitionTrack = getPreviousVideoTrack(m_dragItem->track());
+                else transitionTrack = transition->transitionEndTrack();
+                if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), transitionTrack, m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
                     // Moving transition failed, revert to previous position
                     emit displayMessage(i18n("Cannot move transition"), ErrorMessage);
                     transition->setPos((int) m_dragItemInfo.startPos.frames(m_document->fps()), (m_dragItemInfo.track) * m_tracksHeight + 1);
                 } else {
                     MoveTransitionCommand *command = new MoveTransitionCommand(this, m_dragItemInfo, info, false);
                     m_commandStack->push(command);
-                    transition->updateTransitionEndTrack(getPreviousVideoTrack(m_dragItem->track()));
+                    transition->updateTransitionEndTrack(transitionTrack);
                 }
             }
         } else {
@@ -2813,7 +2824,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                 }
 
                 ClipItem *clip = static_cast < ClipItem * >(m_dragItem);
-                updateClipFade(clip);
+                updatePositionEffects(clip, m_dragItemInfo);
 
                 // check keyframes
                 QDomDocument doc;
@@ -2937,7 +2948,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                 } else new ResizeClipCommand(this, m_dragItemInfo, info, false, false, resizeCommand);
 
                 m_commandStack->push(resizeCommand);
-                updateClipFade(clip);
+                updatePositionEffects(clip, m_dragItemInfo);
             } else {
                 m_dragItem->resizeEnd((int) m_dragItemInfo.endPos.frames(m_document->fps()));
                 emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
@@ -3198,7 +3209,7 @@ void CustomTrackView::changeClipSpeed()
     else delete changeSelected;
 }
 
-void CustomTrackView::doChangeClipSpeed(ItemInfo info, const double speed, const double oldspeed, int strobe, const QString &id)
+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);
     ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
@@ -3208,13 +3219,14 @@ void CustomTrackView::doChangeClipSpeed(ItemInfo info, const double speed, const
         return;
     }
     info.track = m_document->tracksCount() - item->track();
-    int endPos = m_document->renderer()->mltChangeClipSpeed(info, speed, oldspeed, strobe, baseclip->producer());
+    int endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->producer());
     if (endPos >= 0) {
         item->setSpeed(speed, strobe);
         item->updateRectGeometry();
-        if (item->cropDuration().frames(m_document->fps()) > endPos)
-            item->AbstractClipItem::resizeEnd(info.startPos.frames(m_document->fps()) + endPos, speed);
-        updateClipFade(item);
+        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);
 }
@@ -3357,7 +3369,9 @@ void CustomTrackView::slotUpdateClip(const QString &clipId, bool reload)
             if (clip->clipProducer() == clipId) {
                 ItemInfo info = clip->info();
                 info.track = m_document->tracksCount() - clip->track();
-                if (reload) m_document->renderer()->mltUpdateClip(info, clip->xml(), clip->baseClip()->producer());
+                if (reload && !m_document->renderer()->mltUpdateClip(info, clip->xml(), clip->baseClip()->producer())) {
+                    emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", info.startPos.frames(m_document->fps()), info.track), ErrorMessage);
+                }
                 clip->refreshClip(true);
                 clip->update();
             }
@@ -3574,7 +3588,7 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
         for (int i = 0; i < max; i++) {
             if (children.at(i)->type() == GROUPWIDGET) {
                 children += children.at(i)->childItems();
-                AbstractGroupItem *grp = static_cast<AbstractGroupItem *>(children.at(i));
+                //AbstractGroupItem *grp = static_cast<AbstractGroupItem *>(children.at(i));
                 //grp->moveBy(offset.frames(m_document->fps()), trackOffset *(qreal) m_tracksHeight);
                 /*m_document->clipManager()->removeGroup(grp);
                 m_scene->destroyItemGroup(grp);*/
@@ -3605,10 +3619,11 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
                 kDebug() << "// inserting new clp: " << info.startPos.frames(25);
             } else if (item->type() == TRANSITIONWIDGET) {
                 Transition *tr = static_cast <Transition*>(item);
-                int newTrack = tr->transitionEndTrack();
+                int newTrack;
                 kDebug() << "/// TRANSITION CURR TRK: " << newTrack;
-                if (!tr->forcedTrack()) {
-                    newTrack += trackOffset;
+                if (!tr->forcedTrack()) newTrack = getPreviousVideoTrack(info.track);
+                else {
+                    newTrack = tr->transitionEndTrack() + trackOffset;
                     if (newTrack < 0 || newTrack > m_document->tracksCount()) newTrack = getPreviousVideoTrack(info.track);
                 }
                 tr->updateTransitionEndTrack(newTrack);
@@ -3666,6 +3681,7 @@ void CustomTrackView::moveTransition(const ItemInfo start, const ItemInfo end, b
         emit transitionItemSelected(item, getPreviousVideoTrack(item->track()), p);
     }
     if (m_refresh) m_document->renderer()->doRefresh();
+    setDocumentModified();
 }
 
 void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool dontWorry)
@@ -3692,7 +3708,7 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
         if (success) {
             kDebug() << "RESIZE CLP STRAT TO:" << end.startPos.frames(m_document->fps()) << ", OLD ST: " << start.startPos.frames(25);
             item->resizeStart((int) end.startPos.frames(m_document->fps()));
-            updateClipFade(item);
+            updatePositionEffects(item, clipinfo);
         } else emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
     } else {
         ItemInfo clipinfo = item->info();
@@ -3700,7 +3716,7 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
         bool success = m_document->renderer()->mltResizeClipEnd(clipinfo, end.endPos - clipinfo.startPos);
         if (success) {
             item->resizeEnd((int) end.endPos.frames(m_document->fps()));
-            updateClipFade(item);
+            updatePositionEffects(item, clipinfo);
         } else emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
     }
     if (!resizeClipStart && end.cropStart != start.cropStart) {
@@ -3715,9 +3731,10 @@ void CustomTrackView::resizeClip(const ItemInfo start, const ItemInfo end, bool
     }
     m_document->renderer()->doRefresh();
     KdenliveSettings::setSnaptopoints(snap);
+    setDocumentModified();
 }
 
-void CustomTrackView::updateClipFade(ClipItem * item)
+void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
 {
     int end = item->fadeIn();
     if (end != 0) {
@@ -3799,6 +3816,20 @@ void CustomTrackView::updateClipFade(ClipItem * item)
             if (item->isSelected() && effectPos == item->selectedEffectIndex()) emit clipItemSelected(item, effectPos);
         }
     }
+
+    int effectPos = item->hasEffect("freeze", "freeze");
+    if (effectPos != -1) {
+        // Freeze effect needs to be adjusted with clip resize
+        int diff = (info.startPos - item->startPos()).frames(m_document->fps());
+        QDomElement eff = item->getEffectAt(effectPos);
+        if (!eff.isNull()) {
+            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());
+            }
+        }
+    }
 }
 
 double CustomTrackView::getSnapPointForPos(double pos)
@@ -4351,10 +4382,13 @@ void CustomTrackView::pasteClip()
             info.startPos = tr->startPos() + offset;
             info.endPos = tr->endPos() + offset;
             info.track = tr->track() + trackOffset;
+            int transitionEndTrack;
+            if (!tr->forcedTrack()) transitionEndTrack = getPreviousVideoTrack(info.track);
+            else transitionEndTrack = tr->transitionEndTrack();
             if (canBePastedTo(info, TRANSITIONWIDGET)) {
                 if (info.startPos >= info.endPos) {
                     emit displayMessage(i18n("Invalid transition"), ErrorMessage);
-                } else new AddTransitionCommand(this, info, tr->transitionEndTrack() + trackOffset, tr->toXML(), false, true, pasteClips);
+                } else new AddTransitionCommand(this, info, transitionEndTrack, tr->toXML(), false, true, pasteClips);
             } else emit displayMessage(i18n("Cannot paste transition to selected place"), ErrorMessage);
         }
     }
@@ -4453,7 +4487,7 @@ void CustomTrackView::setInPoint()
     ItemInfo startInfo = clip->info();
     ItemInfo endInfo = startInfo;
     endInfo.startPos = GenTime(m_cursorPos, m_document->fps());
-    if (endInfo.startPos >= startInfo.endPos) {
+    if (endInfo.startPos >= startInfo.endPos || endInfo.startPos < startInfo.startPos - startInfo.cropStart) {
         // Check for invalid resize
         emit displayMessage(i18n("Invalid action"), ErrorMessage);
         return;
@@ -4484,13 +4518,15 @@ void CustomTrackView::setOutPoint()
     ItemInfo startInfo = clip->info();
     ItemInfo endInfo = clip->info();
     endInfo.endPos = GenTime(m_cursorPos, m_document->fps());
-    if (endInfo.endPos <= startInfo.startPos) {
+    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(endInfo.endPos, m_document->tracksCount() - startInfo.track, false);
-        if ((clip->type() == TRANSITIONWIDGET && itemCollision(clip, endInfo) == true) || (clip->type() == AVWIDGET && length < (endInfo.endPos - startInfo.endPos).frames(m_document->fps()))) {
+        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;
         }
@@ -4859,8 +4895,12 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
             ClipItem *audioClip = getClipItemAt(start, info.track);
             if (audioClip) {
                 clip->setVideoOnly(true);
-                m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->videoProducer());
-                m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - info.track, start, clip->baseClip()->audioProducer(info.track));
+                if (m_document->renderer()->mltUpdateClipProducer(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) {
+                    emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, info.track), ErrorMessage);
+                }
                 audioClip->setSelected(true);
                 audioClip->setAudioOnly(true);
                 groupSelectedItems(false, true);
@@ -4884,7 +4924,9 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
                 ItemInfo info = clip->info();
                 deleteClip(clp->info());
                 clip->setVideoOnly(false);
-                m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - info.track, info.startPos.frames(m_document->fps()), clip->baseClip()->producer(info.track));
+                if (!m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - info.track, info.startPos.frames(m_document->fps()), clip->baseClip()->producer(info.track))) {
+                    emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", info.startPos.frames(m_document->fps()), info.track), ErrorMessage);
+                }
                 break;
             }
         }
@@ -4980,17 +5022,23 @@ void CustomTrackView::doChangeClipType(const GenTime &pos, int track, bool video
         int start = pos.frames(m_document->fps());
         clip->setVideoOnly(true);
         clip->setAudioOnly(false);
-        m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->videoProducer());
+        if (m_document->renderer()->mltUpdateClipProducer(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);
-        m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->audioProducer(track));
+        if (m_document->renderer()->mltUpdateClipProducer(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);
-        m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->producer(track));
+        if (m_document->renderer()->mltUpdateClipProducer(m_document->tracksCount() - track, start, clip->baseClip()->producer(track)) == false) {
+            emit displayMessage(i18n("Cannot update clip (time: %1, track: %2)", start, track), ErrorMessage);
+        }
     }
     clip->update();
     setDocumentModified();