File indexing completed on 2024-05-05 04:52:42

 /*
     SPDX-FileCopyrightText: 2017 Nicolas Carion
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "keyframemodel.hpp"
 #include "../../bpoint.h"
 #include "core.h"
 #include "doc/docundostack.hpp"
 #include "macros.hpp"
 #include "profiles/profilemodel.hpp"
 #include "rotoscoping/rotohelper.hpp"
 #include "utils/qcolorutils.h"
 
 #include <QDebug>
 #include <QJsonDocument>
 #include <QLineF>
 #include <QSize>
 #include <mlt++/Mlt.h>
 #include <utility>
 
 // std::unordered_map and QHash could not be used here
 #ifdef USE_MLT_NEW_KEYFRAMES
 extern const QMap<KeyframeType, QString> KeyframeTypeName = {
     {KeyframeType::Linear, i18n("Linear")},
     {KeyframeType::Discrete, i18n("Discrete")},
     {KeyframeType::CurveSmooth, i18n("Smooth")},
     {KeyframeType::BounceIn, i18n("Bounce In")},
     {KeyframeType::BounceOut, i18n("Bounce Out")},
     {KeyframeType::CubicIn, i18n("Cubic In")},
     {KeyframeType::CubicOut, i18n("Cubic Out")},
     {KeyframeType::ExponentialIn, i18n("Exponential In")},
     {KeyframeType::ExponentialOut, i18n("Exponential Out")},
     {KeyframeType::CircularIn, i18n("Circular In")},
     {KeyframeType::CircularOut, i18n("Circular Out")},
     {KeyframeType::ElasticIn, i18n("Elastic In")},
     {KeyframeType::ElasticOut, i18n("Elastic Out")},
     {KeyframeType::Curve, i18n("Smooth (deprecated)")},
 };
 #else
 extern const QMap<KeyframeType, QString> KeyframeTypeName = {
     {KeyframeType::Linear, i18n("Linear")}, {KeyframeType::Discrete, i18n("Discrete")}, {KeyframeType::Curve, i18n("Smooth")}};
 #endif
 
 KeyframeModel::KeyframeModel(std::weak_ptr<AssetParameterModel> model, const QModelIndex &index, std::weak_ptr<DocUndoStack> undo_stack, int in, int out,
                              QObject *parent)
     : QAbstractListModel(parent)
     , m_model(std::move(model))
     , m_undoStack(std::move(undo_stack))
     , m_index(index)
     , m_lastData()
     , m_lock(QReadWriteLock::Recursive)
 {
     qDebug() << "Construct keyframemodel. Checking model:" << m_model.expired();
     if (auto ptr = m_model.lock()) {
         m_paramType = ptr->data(m_index, AssetParameterModel::TypeRole).value<ParamType>();
     }
     setup();
     refresh(in, out);
 }
 
 void KeyframeModel::setup()
 {
     // We connect the signals of the abstractitemmodel to a more generic one.
     connect(this, &KeyframeModel::columnsMoved, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::columnsRemoved, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::columnsInserted, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::rowsMoved, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::rowsRemoved, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::rowsInserted, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::modelReset, this, &KeyframeModel::modelChanged);
     connect(this, &KeyframeModel::dataChanged, this, [this](const QModelIndex &, const QModelIndex &, const QVector<int> &roles) {
         QVector<int> notParamRoles = {SelectedRole, ActiveRole};
         if (roles.size() == 1 && notParamRoles.contains(roles.first())) {
             // Selection role changed, no need to update the keyframe parameters
             return;
         }
         Q_EMIT modelChanged();
     });
     connect(this, &KeyframeModel::modelChanged, this, &KeyframeModel::sendModification);
 }
 
 bool KeyframeModel::addKeyframe(GenTime pos, KeyframeType type, QVariant value, bool notify, Fun &undo, Fun &redo)
 {
     qDebug() << "ADD keyframe" << pos.frames(pCore->getCurrentFps()) << value << notify;
     QWriteLocker locker(&m_lock);
     Fun local_undo = []() { return true; };
     Fun local_redo = []() { return true; };
     if (m_keyframeList.count(pos) > 0) {
         qDebug() << "already there";
         if (std::pair<KeyframeType, QVariant>({type, value}) == m_keyframeList.at(pos)) {
             qDebug() << "nothing to do";
             return true; // nothing to do
         }
         // In this case we simply change the type and value
         KeyframeType oldType = m_keyframeList[pos].first;
         QVariant oldValue = m_keyframeList[pos].second;
         local_undo = updateKeyframe_lambda(pos, oldType, oldValue, notify);
         local_redo = updateKeyframe_lambda(pos, type, value, notify);
         if (local_redo()) {
             UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
             return true;
         }
     } else {
         Fun redo_first = addKeyframe_lambda(pos, type, value, notify);
         if (redo_first()) {
             local_redo = addKeyframe_lambda(pos, type, value, true);
             local_undo = deleteKeyframe_lambda(pos, true);
             UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
             return true;
         }
     }
     return false;
 }
 
 bool KeyframeModel::addKeyframe(int frame, double normalizedValue)
 {
     QVariant result = getNormalizedValue(normalizedValue);
     if (result.isValid()) {
         // TODO: Use default configurable kf type
         return addKeyframe(GenTime(frame, pCore->getCurrentFps()), KeyframeType::Linear, result);
     }
     return false;
 }
 
 bool KeyframeModel::addKeyframe(GenTime pos, KeyframeType type, QVariant value)
 {
     QWriteLocker locker(&m_lock);
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
 
     bool update = (m_keyframeList.count(pos) > 0);
     bool res = addKeyframe(pos, type, std::move(value), true, undo, redo);
     if (res) {
         PUSH_UNDO(undo, redo, update ? i18n("Change keyframe type") : i18n("Add keyframe"));
     }
     return res;
 }
 
 bool KeyframeModel::removeKeyframe(GenTime pos, Fun &undo, Fun &redo, bool notify, bool updateSelection)
 {
     qDebug() << "Going to remove keyframe at " << pos.frames(pCore->getCurrentFps()) << " NOTIFY: " << notify;
     qDebug() << "before" << getAnimProperty();
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(pos) > 0);
     KeyframeType oldType = m_keyframeList[pos].first;
     QVariant oldValue = m_keyframeList[pos].second;
     Fun select_undo = []() { return true; };
     Fun select_redo = []() { return true; };
     if (updateSelection) {
         if (auto ptr = m_model.lock()) {
             if (!ptr->m_selectedKeyframes.isEmpty()) {
                 int ix = getIndexForPos(pos);
                 QVector<int> selection;
                 QVector<int> prevSelection = ptr->m_selectedKeyframes;
                 for (auto &kf : prevSelection) {
                     if (kf == ix) {
                         continue;
                     }
                     if (kf < ix) {
                         selection << kf;
                     } else {
                         selection << (kf - 1);
                     }
                 }
                 setActiveKeyframe(-1);
                 std::sort(selection.begin(), selection.end());
                 select_redo = [this, selection]() {
                     setSelectedKeyframes(selection);
                     return true;
                 };
                 select_undo = [this, prevSelection]() {
                     setSelectedKeyframes(prevSelection);
                     return true;
                 };
             }
         }
     }
     Fun redo_first = deleteKeyframe_lambda(pos, notify);
     if (redo_first()) {
         Fun local_undo = addKeyframe_lambda(pos, oldType, oldValue, notify);
         select_redo();
         qDebug() << "after" << getAnimProperty();
         UPDATE_UNDO_REDO(redo_first, local_undo, undo, redo);
         UPDATE_UNDO_REDO(select_redo, select_undo, undo, redo);
         return true;
     }
     return false;
 }
 
 bool KeyframeModel::duplicateKeyframe(GenTime srcPos, GenTime dstPos, Fun &undo, Fun &redo)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(srcPos) > 0);
     KeyframeType oldType = m_keyframeList[srcPos].first;
     QVariant oldValue = m_keyframeList[srcPos].second;
     Fun local_redo = addKeyframe_lambda(dstPos, oldType, oldValue, true);
     Fun local_undo = deleteKeyframe_lambda(dstPos, true);
     if (local_redo()) {
         UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
         return true;
     }
     return false;
 }
 
 bool KeyframeModel::removeKeyframe(int frame)
 {
     GenTime pos(frame, pCore->getCurrentFps());
     return removeKeyframe(pos);
 }
 
 bool KeyframeModel::removeKeyframe(GenTime pos)
 {
     QWriteLocker locker(&m_lock);
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
 
     if (m_keyframeList.count(pos) > 0 && m_keyframeList.find(pos) == m_keyframeList.begin()) {
         return false; // initial point must stay
     }
 
     bool res = removeKeyframe(pos, undo, redo);
     if (res) {
         PUSH_UNDO(undo, redo, i18n("Delete keyframe"));
     }
     return res;
 }
 
 GenTime KeyframeModel::getPosAtIndex(int ix) const
 {
     QList<GenTime> positions = getKeyframePos();
     std::sort(positions.begin(), positions.end());
     if (ix < 0 || ix >= positions.count()) {
         return GenTime();
     }
     return positions.at(ix);
 }
 
 bool KeyframeModel::moveKeyframe(GenTime oldPos, GenTime pos, const QVariant &newVal, Fun &undo, Fun &redo, bool updateView)
 {
     qDebug() << "starting to move keyframe" << oldPos.frames(pCore->getCurrentFps()) << pos.frames(pCore->getCurrentFps());
     QWriteLocker locker(&m_lock);
     // Check if we have several selected keyframes
     if (oldPos == pos) {
         if (!newVal.isValid()) {
             // no change
             return true;
         }
     }
     if (auto ptr = m_model.lock()) {
         if (ptr->m_selectedKeyframes.size() > 1) {
             // We have several selected keyframes, move them all
             double offset = 0.;
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
             if (newVal.isValid() && newVal.type() == QVariant::Double) {
 #else
             if (newVal.isValid() && newVal.typeId() == QMetaType::Double) {
 #endif
                 int row = static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(oldPos)));
                 double oldVal = data(index(row), NormalizedValueRole).toDouble();
                 offset = newVal.toDouble() - oldVal;
             }
             QVector<GenTime> positions;
             for (auto &kf : ptr->m_selectedKeyframes) {
                 if (kf > 0) {
                     positions << getPosAtIndex(kf);
                 }
             }
             GenTime delta = pos - oldPos;
             if (pos > oldPos) {
                 // Moving right, reverse sort
                 std::sort(positions.rbegin(), positions.rend());
                 // Check max pos
                 bool ok = false;
                 GenTime test = positions.first();
                 auto next = getNextKeyframe(test, &ok);
                 if (ok) {
                     delta = qMin(delta, next.first - GenTime(1, pCore->getCurrentFps()) - test);
                 }
             } else {
                 // Moving left
                 std::sort(positions.begin(), positions.end());
                 // Check min pos
                 bool ok = false;
                 GenTime test = positions.first();
                 auto next = getPrevKeyframe(test, &ok);
                 if (ok) {
                     delta = qMax(delta, (next.first + GenTime(1, pCore->getCurrentFps())) - test);
                 }
             }
             if (delta == GenTime()) {
                 if (!newVal.isValid()) {
                     // no change
                     return true;
                 }
             }
             bool res = true;
             for (auto &p : positions) {
                 if (p == oldPos) {
                     res = res && moveOneKeyframe(oldPos, oldPos + delta, newVal, undo, redo, updateView);
                 } else {
                     if (!qFuzzyIsNull(offset)) {
                         // Calculate new value
                         int row = static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(p)));
                         double newVal2 = qBound(0., data(index(row), NormalizedValueRole).toDouble() + offset, 1.);
                         res = res && moveOneKeyframe(p, p + delta, newVal2, undo, redo, updateView);
                     } else {
                         res = res && moveOneKeyframe(p, p + delta, QVariant(), undo, redo, updateView);
                     }
                 }
             }
             return res;
         } else {
             // We have only one selected keyframe
             if (pos > oldPos) {
                 // Moving right
                 bool ok = false;
                 auto next = getNextKeyframe(oldPos, &ok);
                 if (ok) {
                     pos = qMin(pos, next.first - GenTime(1, pCore->getCurrentFps()));
                 }
             } else {
                 // Moving left
                 bool ok = false;
                 auto next = getPrevKeyframe(oldPos, &ok);
                 if (ok) {
                     pos = qMax(pos, next.first + GenTime(1, pCore->getCurrentFps()));
                 }
             }
             return moveOneKeyframe(oldPos, pos, newVal, undo, redo, updateView);
         }
     }
     return false;
 }
 
 bool KeyframeModel::moveOneKeyframe(GenTime oldPos, GenTime pos, QVariant newVal, Fun &undo, Fun &redo, bool updateView)
 {
     qDebug() << "starting to move keyframe" << oldPos.frames(pCore->getCurrentFps()) << pos.frames(pCore->getCurrentFps());
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(oldPos) > 0);
     if (oldPos == pos) {
         if (!newVal.isValid()) {
             // no change
             return true;
         }
         if (m_paramType == ParamType::AnimatedRect) {
             return updateKeyframe(pos, newVal);
         }
         // Calculate real value from normalized
         QVariant result = getNormalizedValue(newVal.toDouble());
         return updateKeyframe(pos, result);
     }
     if (oldPos != pos && hasKeyframe(pos)) {
         // Move rejected, another keyframe is here
         qDebug() << "==== MOVE REJECTED!!";
         return false;
     }
     KeyframeType oldType = m_keyframeList[oldPos].first;
     QVariant oldValue = m_keyframeList[oldPos].second;
     Fun local_undo = []() { return true; };
     Fun local_redo = []() { return true; };
     qDebug() << getAnimProperty();
     // TODO: use the new Animation::key_set_frame to move a keyframe
     bool res = removeKeyframe(oldPos, local_undo, local_redo, true, false);
     qDebug() << "Move keyframe finished deletion:" << res;
     qDebug() << getAnimProperty();
     if (res) {
         if (m_paramType == ParamType::AnimatedRect) {
             if (!newVal.isValid()) {
                 newVal = oldValue;
             }
             res = addKeyframe(pos, oldType, newVal, updateView, local_undo, local_redo);
         } else if (newVal.isValid()) {
             QVariant result = getNormalizedValue(newVal.toDouble());
             if (result.isValid()) {
                 res = addKeyframe(pos, oldType, result, updateView, local_undo, local_redo);
             }
         } else {
             res = addKeyframe(pos, oldType, oldValue, updateView, local_undo, local_redo);
         }
         qDebug() << "Move keyframe finished insertion:" << res;
         qDebug() << getAnimProperty();
     }
     if (res) {
         UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
     } else {
         bool undone = local_undo();
         Q_ASSERT(undone);
     }
     return res;
 }
 
 bool KeyframeModel::moveKeyframe(int oldPos, int pos, bool logUndo)
 {
     GenTime oPos(oldPos, pCore->getCurrentFps());
     GenTime nPos(pos, pCore->getCurrentFps());
     return moveKeyframe(oPos, nPos, QVariant(), logUndo);
 }
 
 bool KeyframeModel::offsetKeyframes(int oldPos, int pos, bool logUndo)
 {
     if (oldPos == pos) return true;
     GenTime oldFrame(oldPos, pCore->getCurrentFps());
     Q_ASSERT(m_keyframeList.count(oldFrame) > 0);
     GenTime diff(pos - oldPos, pCore->getCurrentFps());
     QWriteLocker locker(&m_lock);
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
     QList<GenTime> times;
     for (const auto &m : m_keyframeList) {
         if (m.first < oldFrame) continue;
         times << m.first;
     }
     bool res = true;
     for (const auto &t : qAsConst(times)) {
         res &= moveKeyframe(t, t + diff, QVariant(), undo, redo);
     }
     if (res && logUndo) {
         PUSH_UNDO(undo, redo, i18nc("@action", "Move keyframes"));
     }
     return res;
 }
 
 bool KeyframeModel::moveKeyframe(int oldPos, int pos, QVariant newVal)
 {
     GenTime oPos(oldPos, pCore->getCurrentFps());
     GenTime nPos(pos, pCore->getCurrentFps());
     return moveKeyframe(oPos, nPos, std::move(newVal), true);
 }
 
 bool KeyframeModel::moveKeyframe(GenTime oldPos, GenTime pos, QVariant newVal, bool logUndo)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(oldPos) > 0);
     if (oldPos == pos) return true;
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
     bool res = moveKeyframe(oldPos, pos, std::move(newVal), undo, redo);
     if (res && logUndo) {
         PUSH_UNDO(undo, redo, i18nc("@action", "Move keyframe"));
     }
     return res;
 }
 
 bool KeyframeModel::directUpdateKeyframe(GenTime pos, QVariant value, bool notify)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(pos) > 0);
     KeyframeType type = m_keyframeList[pos].first;
     auto operation = updateKeyframe_lambda(pos, type, std::move(value), notify);
     return operation();
 }
 
 bool KeyframeModel::updateKeyframe(GenTime pos, const QVariant &value, Fun &undo, Fun &redo, bool update)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(pos) > 0);
     KeyframeType type = m_keyframeList[pos].first;
     QVariant oldValue = m_keyframeList[pos].second;
     // Check if keyframe is different
     if (m_paramType == ParamType::KeyframeParam || m_paramType == ParamType::ColorWheel) {
         if (qFuzzyCompare(oldValue.toDouble(), value.toDouble())) return true;
     }
     auto operation = updateKeyframe_lambda(pos, type, value, update);
     auto reverse = updateKeyframe_lambda(pos, type, oldValue, update);
     bool res = operation();
     if (res) {
         UPDATE_UNDO_REDO(operation, reverse, undo, redo);
     }
     return res;
 }
 
 bool KeyframeModel::updateKeyframe(int pos, double newVal)
 {
     GenTime Pos(pos, pCore->getCurrentFps());
     if (auto ptr = m_model.lock()) {
         double min = ptr->data(m_index, AssetParameterModel::VisualMinRole).toDouble();
         double max = ptr->data(m_index, AssetParameterModel::VisualMaxRole).toDouble();
         if (qFuzzyIsNull(min) && qFuzzyIsNull(max)) {
             min = ptr->data(m_index, AssetParameterModel::MinRole).toDouble();
             max = ptr->data(m_index, AssetParameterModel::MaxRole).toDouble();
         }
         double factor = ptr->data(m_index, AssetParameterModel::FactorRole).toDouble();
         double norm = ptr->data(m_index, AssetParameterModel::DefaultRole).toDouble();
         int logRole = ptr->data(m_index, AssetParameterModel::ScaleRole).toInt();
         double realValue;
         if (logRole == -1) {
             // Logarythmic scale
             if (newVal >= 0.5) {
                 realValue = norm + pow(2 * (newVal - 0.5), 10.0 / 6) * (max / factor - norm);
             } else {
                 realValue = norm - pow(2 * (0.5 - newVal), 10.0 / 6) * (norm - min / factor);
             }
         } else {
             realValue = (newVal * (max - min) + min) / factor;
         }
         return updateKeyframe(Pos, realValue);
     }
     return false;
 }
 
 bool KeyframeModel::updateKeyframe(GenTime pos, QVariant value)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(pos) > 0);
 
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
     bool res = updateKeyframe(pos, value, undo, redo);
     if (res) {
         PUSH_UNDO(undo, redo, i18n("Update keyframe"));
     }
     return res;
 }
 
 KeyframeType convertFromMltType(mlt_keyframe_type type)
 {
     switch (type) {
     case mlt_keyframe_linear:
         return KeyframeType::Linear;
     case mlt_keyframe_discrete:
         return KeyframeType::Discrete;
 #ifdef USE_MLT_NEW_KEYFRAMES
     case mlt_keyframe_smooth_natural:
         return KeyframeType::CurveSmooth;
     case mlt_keyframe_bounce_in:
         return KeyframeType::BounceIn;
     case mlt_keyframe_bounce_out:
         return KeyframeType::BounceOut;
     case mlt_keyframe_cubic_in:
         return KeyframeType::CubicIn;
     case mlt_keyframe_cubic_out:
         return KeyframeType::CubicOut;
     case mlt_keyframe_exponential_in:
         return KeyframeType::ExponentialIn;
     case mlt_keyframe_exponential_out:
         return KeyframeType::ExponentialOut;
     case mlt_keyframe_circular_in:
         return KeyframeType::CircularIn;
     case mlt_keyframe_circular_out:
         return KeyframeType::CircularOut;
     case mlt_keyframe_elastic_in:
         return KeyframeType::ElasticIn;
     case mlt_keyframe_elastic_out:
         return KeyframeType::ElasticOut;
 #endif
     case mlt_keyframe_smooth:
         return KeyframeType::Curve;
     default:
         return KeyframeType::Linear;
     }
 }
 
 bool KeyframeModel::updateKeyframeType(GenTime pos, int type, Fun &undo, Fun &redo)
 {
     QWriteLocker locker(&m_lock);
     Q_ASSERT(m_keyframeList.count(pos) > 0);
     KeyframeType oldType = m_keyframeList[pos].first;
     KeyframeType newType = convertFromMltType(mlt_keyframe_type(type));
     QVariant value = m_keyframeList[pos].second;
     // Check if keyframe is different
     if (m_paramType == ParamType::KeyframeParam || m_paramType == ParamType::ColorWheel) {
         if (oldType == newType) return true;
     }
     auto operation = updateKeyframe_lambda(pos, newType, value, true);
     auto reverse = updateKeyframe_lambda(pos, oldType, value, true);
     bool res = operation();
     if (res) {
         UPDATE_UNDO_REDO(operation, reverse, undo, redo);
     }
     return res;
 }
 
 Fun KeyframeModel::updateKeyframe_lambda(GenTime pos, KeyframeType type, const QVariant &value, bool notify)
 {
     QWriteLocker locker(&m_lock);
     return [this, pos, type, value, notify]() {
         // qDebug() << "update lambda" << pos.frames(pCore->getCurrentFps()) << value << notify;
         Q_ASSERT(m_keyframeList.count(pos) > 0);
         int row = static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(pos)));
         m_keyframeList[pos].first = type;
         m_keyframeList[pos].second = value;
         if (notify) Q_EMIT dataChanged(index(row), index(row), {ValueRole, NormalizedValueRole, TypeRole});
         return true;
     };
 }
 
 Fun KeyframeModel::addKeyframe_lambda(GenTime pos, KeyframeType type, const QVariant &value, bool notify)
 {
     QWriteLocker locker(&m_lock);
     return [this, notify, pos, type, value]() {
         qDebug() << "add lambda" << pos.frames(pCore->getCurrentFps()) << value << notify;
         Q_ASSERT(m_keyframeList.count(pos) == 0);
         // We determine the row of the newly added marker
         auto insertionIt = m_keyframeList.lower_bound(pos);
         int insertionRow = static_cast<int>(m_keyframeList.size());
         if (insertionIt != m_keyframeList.end()) {
             insertionRow = static_cast<int>(std::distance(m_keyframeList.begin(), insertionIt));
         }
         if (notify) beginInsertRows(QModelIndex(), insertionRow, insertionRow);
         m_keyframeList[pos].first = type;
         m_keyframeList[pos].second = value;
         if (notify) endInsertRows();
         return true;
     };
 }
 
 Fun KeyframeModel::deleteKeyframe_lambda(GenTime pos, bool notify)
 {
     QWriteLocker locker(&m_lock);
     return [this, pos, notify]() {
         qDebug() << "delete lambda" << pos.frames(pCore->getCurrentFps()) << notify;
         qDebug() << "before" << getAnimProperty();
         Q_ASSERT(m_keyframeList.count(pos) > 0);
         // Q_ASSERT(pos != GenTime()); // cannot delete initial point
         int row = static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(pos)));
         if (notify) beginRemoveRows(QModelIndex(), row, row);
         m_keyframeList.erase(pos);
         if (notify) endRemoveRows();
         qDebug() << "after" << getAnimProperty();
         return true;
     };
 }
 
 QHash<int, QByteArray> KeyframeModel::roleNames() const
 {
     QHash<int, QByteArray> roles;
     roles[PosRole] = "position";
     roles[FrameRole] = "frame";
     roles[TypeRole] = "type";
     roles[ValueRole] = "value";
     roles[SelectedRole] = "selected";
     roles[ActiveRole] = "active";
     roles[NormalizedValueRole] = "normalizedValue";
     roles[MoveOnlyRole] = "moveOnly";
     return roles;
 }
 
 QVariant KeyframeModel::data(const QModelIndex &index, int role) const
 {
     READ_LOCK();
     if (index.row() < 0 || index.row() >= static_cast<int>(m_keyframeList.size()) || !index.isValid()) {
         return QVariant();
     }
     auto it = m_keyframeList.begin();
     std::advance(it, index.row());
     switch (role) {
     case Qt::DisplayRole:
     case Qt::EditRole:
     case ValueRole:
         if (m_paramType == ParamType::Roto_spline) {
             return 0;
         }
         return it->second.second;
     case MoveOnlyRole: {
         if (m_paramType == ParamType::Roto_spline) {
             return true;
         }
         return false;
     }
     case NormalizedValueRole: {
         if (m_paramType == ParamType::AnimatedRect) {
             const QString &data = it->second.second.toString();
             bool ok;
             double converted = data.section(QLatin1Char(' '), -1).toDouble(&ok);
             if (!ok) {
                 qDebug() << "QLocale: Could not convert animated rect opacity" << data;
             }
             return converted;
         }
         if (m_paramType == ParamType::Roto_spline) {
             return 0.5;
         }
         double val = it->second.second.toDouble();
         if (auto ptr = m_model.lock()) {
             Q_ASSERT(m_index.isValid());
             double min = ptr->data(m_index, AssetParameterModel::VisualMinRole).toDouble();
             double max = ptr->data(m_index, AssetParameterModel::VisualMaxRole).toDouble();
             if (qFuzzyIsNull(min) && qFuzzyIsNull(max)) {
                 min = ptr->data(m_index, AssetParameterModel::MinRole).toDouble();
                 max = ptr->data(m_index, AssetParameterModel::MaxRole).toDouble();
             }
             double factor = ptr->data(m_index, AssetParameterModel::FactorRole).toDouble();
             double norm = ptr->data(m_index, AssetParameterModel::DefaultRole).toDouble();
             int logRole = ptr->data(m_index, AssetParameterModel::ScaleRole).toInt();
             double linear = val * factor;
             if (logRole == -1) {
                 // Logarythmic scale
                 // transform current value to 0..1 scale
                 if (linear >= norm) {
                     double scaled = (linear - norm) / (max * factor - norm);
                     return 0.5 + pow(scaled, 0.6) * 0.5;
                 }
                 double scaled = (linear - norm) / (min * factor - norm);
                 // Log scale
                 return 0.5 - pow(scaled, 0.6) * 0.5;
             }
             return (linear - min) / (max - min);
         } else {
             qDebug() << "// CANNOT LOCK effect MODEL";
         }
         return 1;
     }
     case PosRole:
         return it->first.seconds();
     case FrameRole:
     case Qt::UserRole:
         return it->first.frames(pCore->getCurrentFps());
     case TypeRole:
         return QVariant::fromValue<KeyframeType>(it->second.first);
     case SelectedRole:
         if (auto ptr = m_model.lock()) {
             return ptr->m_selectedKeyframes.contains(index.row());
         }
         break;
     case ActiveRole:
         if (auto ptr = m_model.lock()) {
             return ptr->m_activeKeyframe == index.row();
         }
         break;
     }
     return QVariant();
 }
 
 int KeyframeModel::rowCount(const QModelIndex &parent) const
 {
     READ_LOCK();
     if (parent.isValid()) return 0;
     return static_cast<int>(m_keyframeList.size());
 }
 
 bool KeyframeModel::singleKeyframe() const
 {
     READ_LOCK();
     return m_keyframeList.size() <= 1;
 }
 
 Keyframe KeyframeModel::getKeyframe(const GenTime &pos, bool *ok) const
 {
     READ_LOCK();
     if (m_keyframeList.count(pos) == 0) {
         // return empty marker
         *ok = false;
         return {GenTime(), KeyframeType::Linear};
     }
     *ok = true;
     return {pos, m_keyframeList.at(pos).first};
 }
 
 Keyframe KeyframeModel::getNextKeyframe(const GenTime &pos, bool *ok) const
 {
     auto it = m_keyframeList.upper_bound(pos);
     if (it == m_keyframeList.end()) {
         // return empty marker
         *ok = false;
         return {GenTime(), KeyframeType::Linear};
     }
     *ok = true;
     return {(*it).first, (*it).second.first};
 }
 
 Keyframe KeyframeModel::getPrevKeyframe(const GenTime &pos, bool *ok) const
 {
     auto it = m_keyframeList.lower_bound(pos);
     if (it == m_keyframeList.begin()) {
         // return empty marker
         *ok = false;
         return {GenTime(), KeyframeType::Linear};
     }
     --it;
     *ok = true;
     return {(*it).first, (*it).second.first};
 }
 
 Keyframe KeyframeModel::getClosestKeyframe(const GenTime &pos, bool *ok) const
 {
     if (m_keyframeList.count(pos) > 0) {
         return getKeyframe(pos, ok);
     }
     bool ok1, ok2;
     auto next = getNextKeyframe(pos, &ok1);
     auto prev = getPrevKeyframe(pos, &ok2);
     *ok = ok1 || ok2;
     if (ok1 && ok2) {
         double fps = pCore->getCurrentFps();
         if (qAbs(next.first.frames(fps) - pos.frames(fps)) < qAbs(prev.first.frames(fps) - pos.frames(fps))) {
             return next;
         }
         return prev;
     } else if (ok1) {
         return next;
     } else if (ok2) {
         return prev;
     }
     // return empty marker
     return {GenTime(), KeyframeType::Linear};
 }
 
 bool KeyframeModel::hasKeyframe(int frame) const
 {
     return hasKeyframe(GenTime(frame, pCore->getCurrentFps()));
 }
 bool KeyframeModel::hasKeyframe(const GenTime &pos) const
 {
     READ_LOCK();
     return m_keyframeList.count(pos) > 0;
 }
 
 bool KeyframeModel::removeAllKeyframes(Fun &undo, Fun &redo)
 {
     QWriteLocker locker(&m_lock);
     Fun local_undo = []() { return true; };
     Fun local_redo = []() { return true; };
     int kfrCount = int(m_keyframeList.size()) - 1;
     // Clear selection
     if (auto ptr = m_model.lock()) {
         ptr->m_selectedKeyframes = {};
     }
     if (kfrCount <= 0) {
         // Nothing to do
         UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
         return true;
     }
     // we trigger only one global remove/insertrow event
     Fun update_redo_start = [this, kfrCount]() {
         beginRemoveRows(QModelIndex(), 1, kfrCount);
         return true;
     };
     Fun update_redo_end = [this]() {
         endRemoveRows();
         return true;
     };
     Fun update_undo_start = [this, kfrCount]() {
         beginInsertRows(QModelIndex(), 1, kfrCount);
         return true;
     };
     Fun update_undo_end = [this]() {
         endInsertRows();
         return true;
     };
     PUSH_LAMBDA(update_redo_start, local_redo);
     PUSH_LAMBDA(update_undo_start, local_undo);
     QList<GenTime> all_pos = getKeyframePos();
     update_redo_start();
     bool res = true;
     bool first = true;
     for (const auto &p : qAsConst(all_pos)) {
         if (first) { // skip first point
             first = false;
             continue;
         }
         res = removeKeyframe(p, local_undo, local_redo, false);
         if (!res) {
             bool undone = local_undo();
             Q_ASSERT(undone);
             return false;
         }
     }
     update_redo_end();
     PUSH_LAMBDA(update_redo_end, local_redo);
     PUSH_LAMBDA(update_undo_end, local_undo);
     UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
     return true;
 }
 
 bool KeyframeModel::removeAllKeyframes()
 {
     QWriteLocker locker(&m_lock);
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
     bool res = removeAllKeyframes(undo, redo);
     if (res) {
         PUSH_UNDO(undo, redo, i18n("Delete all keyframes"));
     }
     return res;
 }
 
 mlt_keyframe_type convertToMltType(KeyframeType type)
 {
     return static_cast<mlt_keyframe_type>(static_cast<int>(type));
 }
 
 QString KeyframeModel::getAnimProperty() const
 {
     if (m_paramType == ParamType::Roto_spline) {
         return getRotoProperty();
     }
     Mlt::Properties mlt_prop;
     if (auto ptr = m_model.lock()) {
         ptr->passProperties(mlt_prop);
     }
     int ix = 0;
     bool first = true;
     std::shared_ptr<Mlt::Animation> anim(nullptr);
     for (const auto &keyframe : m_keyframeList) {
         switch (m_paramType) {
         case ParamType::AnimatedRect:
         case ParamType::Color:
             mlt_prop.anim_set("key", keyframe.second.second.toString().toUtf8().constData(), keyframe.first.frames(pCore->getCurrentFps()));
             break;
         default:
             mlt_prop.anim_set("key", keyframe.second.second.toDouble(), keyframe.first.frames(pCore->getCurrentFps()));
             break;
         }
         if (first) {
             anim.reset(mlt_prop.get_anim("key"));
             first = false;
         }
         anim->key_set_type(ix, convertToMltType(keyframe.second.first));
         ix++;
     }
     QString ret;
     if (anim) {
         char *cut = anim->serialize_cut();
         ret = QString(cut);
         free(cut);
     }
     return ret;
 }
 
 QString KeyframeModel::getRotoProperty() const
 {
     QJsonDocument doc;
     if (auto ptr = m_model.lock()) {
         int in = ptr->data(m_index, AssetParameterModel::ParentInRole).toInt();
         int out = in + ptr->data(m_index, AssetParameterModel::ParentDurationRole).toInt();
         QVariantMap map;
         for (const auto &keyframe : m_keyframeList) {
             map.insert(QString::number(keyframe.first.frames(pCore->getCurrentFps())).rightJustified(int(log10(double(out))) + 1, '0'), keyframe.second.second);
         }
         doc = QJsonDocument::fromVariant(map);
     }
     return doc.toJson();
 }
 
 void KeyframeModel::parseAnimProperty(const QString &prop, int in, int out)
 {
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
     disconnect(this, &KeyframeModel::modelChanged, this, &KeyframeModel::sendModification);
     removeAllKeyframes(undo, redo);
     bool useOpacity = true;
     Mlt::Properties mlt_prop;
     if (auto ptr = m_model.lock()) {
         if (out <= in) {
             in = ptr->data(m_index, AssetParameterModel::ParentInRole).toInt();
             out = ptr->data(m_index, AssetParameterModel::ParentDurationRole).toInt();
         }
         ptr->passProperties(mlt_prop);
         useOpacity = ptr->data(m_index, AssetParameterModel::OpacityRole).toBool();
     } else {
         qDebug() << "###################\n\n/// ERROR LOCKING MODEL!!! ";
     }
     mlt_prop.set("key", prop.toUtf8().constData());
     // This is a fake query to force the animation to be parsed
     (void)mlt_prop.anim_get_double("key", 0, out);
 
     Mlt::Animation anim = mlt_prop.get_animation("key");
 
     qDebug() << "Found" << anim.key_count() << ", OUT: " << out << ", animation properties: " << prop;
     bool useDefaultType = !prop.contains(QLatin1Char('='));
     for (int i = 0; i < anim.key_count(); ++i) {
         int frame;
         mlt_keyframe_type type;
         anim.key_get(i, frame, type);
         if (useDefaultType) {
             // TODO: use a default user defined type
             type = mlt_keyframe_linear;
         }
         QVariant value;
         switch (m_paramType) {
         case ParamType::AnimatedRect: {
             mlt_rect rect = mlt_prop.anim_get_rect("key", frame);
             if (useOpacity) {
                 value = QVariant(QStringLiteral("%1 %2 %3 %4 %5").arg(rect.x).arg(rect.y).arg(rect.w).arg(rect.h).arg(rect.o, 0, 'f'));
             } else {
                 value = QVariant(QStringLiteral("%1 %2 %3 %4").arg(rect.x).arg(rect.y).arg(rect.w).arg(rect.h));
             }
             break;
         }
         case ParamType::Color: {
             mlt_color mltColor = mlt_prop.anim_get_color("key", frame);
             QColor color(mltColor.r, mltColor.g, mltColor.b, mltColor.a);
             value = QVariant(QColorUtils::colorToString(color, true));
             break;
         }
 
         default:
             value = QVariant(mlt_prop.anim_get_double("key", frame));
             break;
         }
         if (i == 0 && frame > in) {
             // Always add a keyframe at start pos
             addKeyframe(GenTime(in, pCore->getCurrentFps()), convertFromMltType(type), value, true, undo, redo);
         } else if (frame == in && hasKeyframe(GenTime(in))) {
             // First keyframe already exists, adjust its value
             updateKeyframe(GenTime(frame, pCore->getCurrentFps()), value, undo, redo, true);
             continue;
         }
         addKeyframe(GenTime(frame, pCore->getCurrentFps()), convertFromMltType(type), value, true, undo, redo);
     }
     connect(this, &KeyframeModel::modelChanged, this, &KeyframeModel::sendModification);
 }
 
 void KeyframeModel::resetAnimProperty(const QString &prop)
 {
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
 
     // Delete all existing keyframes
     QSignalBlocker bk(this);
     removeAllKeyframes(undo, redo);
 
     Mlt::Properties mlt_prop;
     int in = 0;
     bool useOpacity = true;
     if (auto ptr = m_model.lock()) {
         in = ptr->data(m_index, AssetParameterModel::ParentInRole).toInt();
         ptr->passProperties(mlt_prop);
         if (m_paramType == ParamType::AnimatedRect) {
             useOpacity = ptr->data(m_index, AssetParameterModel::OpacityRole).toBool();
         }
     }
     mlt_prop.set("key", prop.toUtf8().constData());
     // This is a fake query to force the animation to be parsed
     (void)mlt_prop.anim_get_int("key", 0, 0);
 
     Mlt::Animation anim = mlt_prop.get_animation("key");
 
     qDebug() << "Found" << anim.key_count() << "animation properties";
     for (int i = 0; i < anim.key_count(); ++i) {
         int frame;
         mlt_keyframe_type type;
         anim.key_get(i, frame, type);
         if (!prop.contains(QLatin1Char('='))) {
             // TODO: use a default user defined type
             type = mlt_keyframe_linear;
         }
         QVariant value;
         switch (m_paramType) {
         case ParamType::AnimatedRect: {
             mlt_rect rect = mlt_prop.anim_get_rect("key", frame);
             if (useOpacity) {
                 value = QVariant(QStringLiteral("%1 %2 %3 %4 %5").arg(rect.x).arg(rect.y).arg(rect.w).arg(rect.h).arg(QString::number(rect.o, 'f')));
             } else {
                 value = QVariant(QStringLiteral("%1 %2 %3 %4").arg(rect.x).arg(rect.y).arg(rect.w).arg(rect.h));
             }
             break;
         }
         default:
             value = QVariant(mlt_prop.anim_get_double("key", frame));
             break;
         }
         if (i == 0 && frame > in) {
             // Always add a keyframe at start pos
             addKeyframe(GenTime(in, pCore->getCurrentFps()), convertFromMltType(type), value, false, undo, redo);
         } else if (frame == in && hasKeyframe(GenTime(in))) {
             // First keyframe already exists, adjust its value
             updateKeyframe(GenTime(frame, pCore->getCurrentFps()), value, undo, redo, false);
             continue;
         }
         addKeyframe(GenTime(frame, pCore->getCurrentFps()), convertFromMltType(type), value, false, undo, redo);
     }
     QString effectName;
     if (auto ptr = m_model.lock()) {
         effectName = ptr->data(m_index, Qt::DisplayRole).toString();
     } else {
         effectName = i18n("effect");
     }
     Fun update_local = [this]() {
         Q_EMIT dataChanged(index(0), index(int(m_keyframeList.size())), {});
         return true;
     };
     update_local();
     PUSH_LAMBDA(update_local, undo);
     PUSH_LAMBDA(update_local, redo);
     PUSH_UNDO(undo, redo, i18n("Reset %1", effectName));
 }
 
 void KeyframeModel::parseRotoProperty(const QString &prop)
 {
     Fun undo = []() { return true; };
     Fun redo = []() { return true; };
 
     QJsonParseError jsonError;
     QJsonDocument doc = QJsonDocument::fromJson(prop.toUtf8(), &jsonError);
     QVariant data = doc.toVariant();
     if (data.canConvert<QVariantMap>()) {
         QMap<QString, QVariant> map = data.toMap();
         QMap<QString, QVariant>::const_iterator i = map.constBegin();
         while (i != map.constEnd()) {
             addKeyframe(GenTime(i.key().toInt(), pCore->getCurrentFps()), KeyframeType::Linear, i.value(), false, undo, redo);
             ++i;
         }
     }
 }
 
 QVariant KeyframeModel::getInterpolatedValue(int p) const
 {
     auto pos = GenTime(p, pCore->getCurrentFps());
     return getInterpolatedValue(pos);
 }
 
 QVariant KeyframeModel::updateInterpolated(const QVariant &interpValue, double val)
 {
     QStringList vals = interpValue.toString().split(QLatin1Char(' '));
     if (!vals.isEmpty()) {
         vals[vals.size() - 1] = QString::number(val, 'f');
     }
     return vals.join(QLatin1Char(' '));
 }
 
 QVariant KeyframeModel::getNormalizedValue(double newVal) const
 {
     if (auto ptr = m_model.lock()) {
         double min = ptr->data(m_index, AssetParameterModel::VisualMinRole).toDouble();
         double max = ptr->data(m_index, AssetParameterModel::VisualMaxRole).toDouble();
         if (qFuzzyIsNull(min) && qFuzzyIsNull(max)) {
             min = ptr->data(m_index, AssetParameterModel::MinRole).toDouble();
             max = ptr->data(m_index, AssetParameterModel::MaxRole).toDouble();
         }
         if (qFuzzyIsNull(min) && qFuzzyIsNull(max)) {
             min = 0.;
             max = 1.;
         }
         double factor = ptr->data(m_index, AssetParameterModel::FactorRole).toDouble();
         double norm = ptr->data(m_index, AssetParameterModel::DefaultRole).toDouble();
         int logRole = ptr->data(m_index, AssetParameterModel::ScaleRole).toInt();
         double realValue;
         if (logRole == -1) {
             // Logarythmic scale
             if (newVal >= 0.5) {
                 realValue = norm + pow(2 * (newVal - 0.5), 10.0 / 6) * (max / factor - norm);
             } else {
                 realValue = norm - pow(2 * (0.5 - newVal), 10.0 / 6) * (norm - min / factor);
             }
         } else {
             realValue = (newVal * (max - min) + min) / factor;
         }
         return QVariant(realValue);
     }
     return QVariant();
 }
 
 QVariant KeyframeModel::getInterpolatedValue(const GenTime &pos) const
 {
     if (m_keyframeList.count(pos) > 0) {
         return m_keyframeList.at(pos).second;
     }
     if (m_keyframeList.size() == 0) {
         return QVariant();
     }
     Mlt::Properties mlt_prop;
     QString animData;
     int out = 0;
     bool useOpacity = false;
     if (auto ptr = m_model.lock()) {
         ptr->passProperties(mlt_prop);
         out = ptr->data(m_index, AssetParameterModel::ParentDurationRole).toInt();
         useOpacity = ptr->data(m_index, AssetParameterModel::OpacityRole).toBool();
         animData = ptr->data(m_index, AssetParameterModel::ValueRole).toString();
     }
 
     if (!animData.isEmpty() && (m_paramType == ParamType::KeyframeParam || m_paramType == ParamType::ColorWheel)) {
         mlt_prop.set("key", animData.toUtf8().constData());
         // This is a fake query to force the animation to be parsed
         (void)mlt_prop.anim_get_double("key", 0, out);
         return QVariant(mlt_prop.anim_get_double("key", pos.frames(pCore->getCurrentFps())));
     }
     if (!animData.isEmpty() && m_paramType == ParamType::AnimatedRect) {
         mlt_prop.set("key", animData.toUtf8().constData());
         // This is a fake query to force the animation to be parsed
         (void)mlt_prop.anim_get_double("key", 0, out);
         mlt_rect rect = mlt_prop.anim_get_rect("key", pos.frames(pCore->getCurrentFps()));
         QString res = QStringLiteral("%1 %2 %3 %4").arg(int(rect.x)).arg(int(rect.y)).arg(int(rect.w)).arg(int(rect.h));
         if (useOpacity) {
             res.append(QStringLiteral(" %1").arg(QString::number(rect.o, 'f')));
         }
         return QVariant(res);
     }
     if (!animData.isEmpty() && m_paramType == ParamType::Color) {
         mlt_prop.set("key", animData.toUtf8().constData());
         // This is a fake query to force the animation to be parsed
         (void)mlt_prop.anim_get_double("key", 0, out);
         mlt_color mltColor = mlt_prop.anim_get_color("key", pos.frames(pCore->getCurrentFps()));
         QColor color(mltColor.r, mltColor.g, mltColor.b, mltColor.a);
         return QVariant(QColorUtils::colorToString(color, true));
     }
     if (m_paramType == ParamType::Roto_spline) {
         // interpolate
         auto next = m_keyframeList.upper_bound(pos);
         if (next == m_keyframeList.cbegin()) {
             return (m_keyframeList.cbegin())->second.second;
         } else if (next == m_keyframeList.cend()) {
             auto it = m_keyframeList.cend();
             --it;
             return it->second.second;
         }
         auto prev = next;
         --prev;
 
         QSize frame = pCore->getCurrentFrameSize();
         QList<BPoint> p1 = RotoHelper::getPoints(prev->second.second, frame);
         QList<BPoint> p2 = RotoHelper::getPoints(next->second.second, frame);
         // relPos should be in [0,1]:
         // - equal to 0 on prev keyframe
         // - equal to 1 on next keyframe
         qreal relPos = 0;
         if (next->first != prev->first) {
             relPos = (pos.frames(pCore->getCurrentFps()) - prev->first.frames(pCore->getCurrentFps())) /
                      qreal(((next->first - prev->first).frames(pCore->getCurrentFps())));
         }
         int count = qMin(p1.count(), p2.count());
         QList<QVariant> vlist;
         for (int i = 0; i < count; ++i) {
             BPoint bp;
             QList<QVariant> pl;
             for (int j = 0; j < 3; ++j) {
                 if (p1.at(i)[j] != p2.at(i)[j]) {
                     bp[j] = QLineF(p1.at(i)[j], p2.at(i)[j]).pointAt(relPos);
                 } else {
                     bp[j] = p1.at(i)[j];
                 }
                 pl << QVariant(QList<QVariant>() << QVariant(bp[j].x() / frame.width()) << QVariant(bp[j].y() / frame.height()));
             }
             vlist << QVariant(pl);
         }
         return vlist;
     }
     return QVariant();
 }
 
 void KeyframeModel::sendModification()
 {
     if (auto ptr = m_model.lock()) {
         Q_ASSERT(m_index.isValid());
         QString name = ptr->data(m_index, AssetParameterModel::NameRole).toString();
         if (AssetParameterModel::isAnimated(m_paramType)) {
             m_lastData = getAnimProperty();
             ptr->setParameter(name, m_lastData, false, m_index);
         } else {
             Q_ASSERT(false); // Not implemented, TODO
         }
     }
 }
 
 QString KeyframeModel::realValue(double normalizedValue) const
 {
     double value = getNormalizedValue(normalizedValue).toDouble();
     if (auto ptr = m_model.lock()) {
         int decimals = ptr->data(m_index, AssetParameterModel::DecimalsRole).toInt();
         value *= ptr->data(m_index, AssetParameterModel::FactorRole).toDouble();
         QString result;
         if (decimals == 0) {
             if (m_paramType == ParamType::AnimatedRect) {
                 value = qRound(value * 100.);
             }
             // Fix rounding erros in double > int conversion
             if (value > 0.) {
                 value += 0.001;
             } else {
                 value -= 0.001;
             }
             result = QString::number(int(value));
         } else {
             result = QString::number(value, 'f', decimals);
         }
         result.append(ptr->data(m_index, AssetParameterModel::SuffixRole).toString());
         return result;
     }
     return QString::number(value);
 }
 
 void KeyframeModel::refresh(int in, int out)
 {
     Q_ASSERT(m_index.isValid());
     QString animData;
     if (auto ptr = m_model.lock()) {
         animData = ptr->data(m_index, AssetParameterModel::ValueRole).toString();
     } else {
         qDebug() << "WARNING : unable to access keyframe's model";
         return;
     }
     if (animData == m_lastData) {
         // nothing to do
         // qDebug() << "// DATA WAS ALREADY PARSED, ABORTING REFRESH\n";
         return;
     }
     if (m_paramType == ParamType::Roto_spline) {
         parseRotoProperty(animData);
     } else if (AssetParameterModel::isAnimated(m_paramType)) {
         parseAnimProperty(animData, in, out);
     } else {
         // first, try to convert to double
         bool ok = false;
         double value = animData.toDouble(&ok);
         if (ok) {
             Fun undo = []() { return true; };
             Fun redo = []() { return true; };
             addKeyframe(GenTime(), KeyframeType::Linear, QVariant(value), false, undo, redo);
         } else {
             Q_ASSERT(false); // Not implemented, TODO
         }
     }
     m_lastData = animData;
 }
 
 void KeyframeModel::reset()
 {
     Q_ASSERT(m_index.isValid());
     QString animData;
     if (auto ptr = m_model.lock()) {
         animData = ptr->data(m_index, AssetParameterModel::ValueRole).toString();
     } else {
         qDebug() << "WARNING : unable to access keyframe's model";
         return;
     }
     if (animData == m_lastData) {
         // nothing to do
         qDebug() << "// DATA WAS ALREADY PARSED, ABORTING\n_________________";
         return;
     }
     if (m_paramType == ParamType::Roto_spline) {
         // TODO: resetRotoProperty(animData);
     } else if (AssetParameterModel::isAnimated(m_paramType)) {
         qDebug() << "parsing keyframe" << animData;
         resetAnimProperty(animData);
     } else {
         // first, try to convert to double
         bool ok = false;
         double value = animData.toDouble(&ok);
         if (ok) {
             Fun undo = []() { return true; };
             Fun redo = []() { return true; };
             addKeyframe(GenTime(), KeyframeType::Linear, QVariant(value), false, undo, redo);
             PUSH_UNDO(undo, redo, i18n("Reset effect"));
             qDebug() << "KEYFRAME ADDED" << value;
         } else {
             Q_ASSERT(false); // Not implemented, TODO
         }
     }
     m_lastData = animData;
 }
 
 QList<QPoint> KeyframeModel::getRanges(const QString &animData, const std::shared_ptr<AssetParameterModel> &model)
 {
     Mlt::Properties mlt_prop;
     model->passProperties(mlt_prop);
     mlt_prop.set("key", animData.toUtf8().constData());
     // This is a fake query to force the animation to be parsed
     (void)mlt_prop.anim_get_int("key", 0, 0);
 
     Mlt::Animation anim = mlt_prop.get_animation("key");
     int frame;
     mlt_keyframe_type type;
     anim.key_get(0, frame, type);
     mlt_rect rect = mlt_prop.anim_get_rect("key", frame);
     QPoint pX(int(rect.x), int(rect.x));
     QPoint pY(int(rect.y), int(rect.y));
     QPoint pW(int(rect.w), int(rect.w));
     QPoint pH(int(rect.h), int(rect.h));
     QPoint pO(int(rect.o), int(rect.o));
     for (int i = 1; i < anim.key_count(); ++i) {
         anim.key_get(i, frame, type);
         if (!animData.contains(QLatin1Char('='))) {
             // TODO: use a default user defined type
             type = mlt_keyframe_linear;
         }
         rect = mlt_prop.anim_get_rect("key", frame);
         pX.setX(qMin(int(rect.x), pX.x()));
         pX.setY(qMax(int(rect.x), pX.y()));
         pY.setX(qMin(int(rect.y), pY.x()));
         pY.setY(qMax(int(rect.y), pY.y()));
         pW.setX(qMin(int(rect.w), pW.x()));
         pW.setY(qMax(int(rect.w), pW.y()));
         pH.setX(qMin(int(rect.h), pH.x()));
         pH.setY(qMax(int(rect.h), pH.y()));
         pO.setX(qMin(int(rect.o), pO.x()));
         pO.setY(qMax(int(rect.o), pO.y()));
         // value = QVariant(QStringLiteral("%1 %2 %3 %4 %5").arg(rect.x).arg(rect.y).arg(rect.w).arg(rect.h).arg(locale.toString(rect.o)));
     }
     QList<QPoint> result{pX, pY, pW, pH, pO};
     return result;
 }
 
 std::shared_ptr<Mlt::Properties> KeyframeModel::getAnimation(std::shared_ptr<AssetParameterModel> model, const QString &animData, int duration)
 {
     std::shared_ptr<Mlt::Properties> mlt_prop(new Mlt::Properties());
     model->passProperties(*mlt_prop.get());
     mlt_prop->set("key", animData.toUtf8().constData());
     // This is a fake query to force the animation to be parsed
     (void)mlt_prop->anim_get_rect("key", 0, duration);
     return mlt_prop;
 }
 
 const QString KeyframeModel::getAnimationStringWithOffset(std::shared_ptr<AssetParameterModel> model, const QString &animData, int offset, int duration,
                                                           ParamType paramType, bool useOpacity)
 {
     Mlt::Properties mlt_prop;
     model->passProperties(mlt_prop);
     mlt_prop.set("key", animData.toUtf8().constData());
     // This is a fake query to force the animation to be parsed
     (void)mlt_prop.anim_get_rect("key", 0);
     Mlt::Animation anim = mlt_prop.get_animation("key");
     if (offset > 0) {
         for (int i = anim.key_count() - 1; i >= 0; --i) {
             int pos = anim.key_get_frame(i) + offset;
             anim.key_set_frame(i, pos);
         }
     } else if (offset < 0) {
         for (int i = 0; i < anim.key_count(); ++i) {
             int pos = anim.key_get_frame(i) + offset;
             if (pos >= 0) {
                 anim.key_set_frame(i, pos);
             }
         }
     }
     // If last key is beyond duration, add new keyframe at end
     int lastPos = anim.key_get_frame(anim.key_count() - 1);
     if (lastPos > duration) {
         QVariant value;
         switch (paramType) {
         case ParamType::AnimatedRect: {
             mlt_rect rect = mlt_prop.anim_get_rect("key", duration);
             QString res = QStringLiteral("%1 %2 %3 %4").arg(int(rect.x)).arg(int(rect.y)).arg(int(rect.w)).arg(int(rect.h));
             if (useOpacity) {
                 res.append(QStringLiteral(" %1").arg(QString::number(rect.o, 'f')));
             }
             value = QVariant(res);
             break;
         }
         case ParamType::Color: {
             mlt_color mltColor = mlt_prop.anim_get_color("key", duration);
             QColor color(mltColor.r, mltColor.g, mltColor.b, mltColor.a);
             value = QVariant(QColorUtils::colorToString(color, true));
             break;
         }
         default:
             value = QVariant(mlt_prop.anim_get_double("key", duration));
             break;
         }
         mlt_prop.anim_set("key", value.toString().toUtf8().constData(), duration);
         // Ensure the added keyframe uses the same type as last one
         mlt_keyframe_type lastType = anim.key_get_type(anim.key_count() - 1);
         for (int i = 0; i < anim.key_count(); i++) {
             if (anim.key_get_frame(i) == duration) {
                 anim.key_set_type(i, lastType);
                 break;
             }
         }
     }
     return qstrdup(anim.serialize_cut(0, duration));
 }
 
 const QString KeyframeModel::getIconByKeyframeType(KeyframeType type){
     switch (type) {
     case KeyframeType::Linear:
         return QStringLiteral("linear");
     case KeyframeType::Discrete:
         return QStringLiteral("discrete");
     case KeyframeType::Curve:
         return QStringLiteral("smooth");
 #ifdef USE_MLT_NEW_KEYFRAMES
     case KeyframeType::CurveSmooth:
         return QStringLiteral("smooth");
 #endif
     default:
         return QStringLiteral("favorite");
     }
 }
 QList<GenTime> KeyframeModel::getKeyframePos() const
 {
     QList<GenTime> all_pos;
     for (const auto &m : m_keyframeList) {
         all_pos.push_back(m.first);
     }
     return all_pos;
 }
 
 bool KeyframeModel::removeNextKeyframes(GenTime pos, Fun &undo, Fun &redo)
 {
     QWriteLocker locker(&m_lock);
     std::vector<GenTime> all_pos;
     Fun local_undo = []() { return true; };
     Fun local_redo = []() { return true; };
     for (const auto &m : m_keyframeList) {
         if (m.first >= pos && m.first != m_keyframeList.begin()->first) {
             all_pos.push_back(m.first);
         }
     }
     std::sort(all_pos.begin(), all_pos.end());
     int kfrCount = int(m_keyframeList.size());
     // Remove deleted keyframes from selection
     if (auto ptr = m_model.lock()) {
         QVector<int> selection;
         for (auto &ix : ptr->m_selectedKeyframes) {
             if (ix < kfrCount) {
                 selection << ix;
             }
         }
         ptr->m_selectedKeyframes = selection;
     }
     // we trigger only one global remove/insertrow event
     int row = static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(all_pos.front())));
     Fun update_redo_start = [this, row, kfrCount]() {
         beginRemoveRows(QModelIndex(), row, kfrCount - 1);
         return true;
     };
     Fun update_redo_end = [this]() {
         endRemoveRows();
         return true;
     };
     Fun update_undo_start = [this, row, kfrCount]() {
         beginInsertRows(QModelIndex(), row, kfrCount - 1);
         return true;
     };
     Fun update_undo_end = [this]() {
         endInsertRows();
         return true;
     };
     PUSH_LAMBDA(update_redo_start, local_redo);
     PUSH_LAMBDA(update_undo_start, local_undo);
     update_redo_start();
     for (const auto &p : all_pos) {
         bool res = removeKeyframe(p, local_undo, local_redo, false);
         if (!res) {
             bool undone = local_undo();
             Q_ASSERT(undone);
             return false;
         }
     }
     update_redo_end();
     PUSH_LAMBDA(update_redo_end, local_redo);
     PUSH_LAMBDA(update_undo_end, local_undo);
     UPDATE_UNDO_REDO(local_redo, local_undo, undo, redo);
     return true;
 }
 
 void KeyframeModel::setSelectedKeyframe(int ix, bool add)
 {
     QVector<int> previous;
     if (auto ptr = m_model.lock()) {
         if (add) {
             if (ptr->m_selectedKeyframes.contains(ix)) {
                 // remove from selection
                 ptr->m_selectedKeyframes.removeAll(ix);
             } else {
                 ptr->m_selectedKeyframes << ix;
             }
         } else {
             previous = ptr->m_selectedKeyframes;
             ptr->m_selectedKeyframes = {ix};
         }
     }
     if (!add) {
         for (auto &ix2 : previous) {
             if (ix2 > -1) {
                 Q_EMIT requestModelUpdate(index(ix2), index(ix2), {SelectedRole});
             }
         }
     }
     if (ix > -1) {
         Q_EMIT requestModelUpdate(index(ix), index(ix), {SelectedRole});
     }
 }
 
 void KeyframeModel::setSelectedKeyframes(QVector<int> selection)
 {
     QVector<int> previous;
     selection.removeAll(-1);
     std::sort(selection.begin(), selection.end());
     if (auto ptr = m_model.lock()) {
         previous = ptr->m_selectedKeyframes;
         ptr->m_selectedKeyframes = selection;
     }
     if (!selection.isEmpty()) {
         Q_EMIT requestModelUpdate(index(selection.first()), index(selection.last()), {SelectedRole});
     }
     for (auto &ix : previous) {
         if (ix > -1 && !selection.contains(ix)) {
             Q_EMIT requestModelUpdate(index(ix), index(ix), {SelectedRole});
         }
     }
 }
 
 int KeyframeModel::activeKeyframe() const
 {
     if (auto ptr = m_model.lock()) {
         return ptr->m_activeKeyframe;
     }
     return -1;
 }
 
 void KeyframeModel::setActiveKeyframe(int ix)
 {
     int oldActive = -1;
     if (auto ptr = m_model.lock()) {
         oldActive = ptr->m_activeKeyframe;
         if (oldActive == ix) {
             // Keyframe already active
             return;
         }
         ptr->m_activeKeyframe = ix;
     }
     Q_EMIT requestModelUpdate(index(ix), index(ix), {ActiveRole});
     if (oldActive > -1) {
         Q_EMIT requestModelUpdate(index(oldActive), index(oldActive), {ActiveRole});
     }
 }
 
 int KeyframeModel::getIndexForPos(const GenTime pos) const
 {
     if (m_keyframeList.count(pos) == 0) {
         return -1;
     }
     return static_cast<int>(std::distance(m_keyframeList.begin(), m_keyframeList.find(pos)));
 }