File indexing completed on 2024-04-14 04:46:29

 /*
     SPDX-FileCopyrightText: 2007 Jean-Baptiste Mardelle <jb@kdenlive.org>
 
 SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "documentvalidator.h"
 
 #include "bin/binplaylist.hpp"
 #include "core.h"
 #include "definitions.h"
 #include "effects/effectsrepository.hpp"
 #include "mainwindow.h"
 #include "transitions/transitionsrepository.hpp"
 #include "xml/xml.hpp"
 
 #include "kdenlive_debug.h"
 #include "utils/KMessageBox_KdenliveCompat.h"
 #include <KLocalizedString>
 #include <KMessageBox>
 
 #include <QApplication>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
 
 #include <mlt++/Mlt.h>
 
 #include <locale>
 #ifdef Q_OS_MAC
 #include <xlocale.h>
 #endif
 
 #include <QStandardPaths>
 #include <lib/localeHandling.h>
 #include <utility>
 
 DocumentValidator::DocumentValidator(const QDomDocument &doc, QUrl documentUrl)
     : m_doc(doc)
     , m_url(std::move(documentUrl))
     , m_modified(false)
 {
 }
 
 QPair<bool, QString> DocumentValidator::validate(const double currentVersion)
 {
     Q_EMIT pCore->loadingMessageNewStage(i18n("Validating project…"), 0);
     QDomElement mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
     // At least the root element must be there
     if (mlt.isNull()) {
         return QPair<bool, QString>(false, QString());
     }
     QDomElement kdenliveDoc = mlt.firstChildElement(QStringLiteral("kdenlivedoc"));
     QString rootDir = mlt.attribute(QStringLiteral("root"));
     if (rootDir == QLatin1String("$CURRENTPATH")) {
         // The document was extracted from a Kdenlive archived project, fix root directory
         QString playlist = m_doc.toString();
         playlist.replace(QLatin1String("$CURRENTPATH"), m_url.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash).toLocalFile());
         m_doc.setContent(playlist);
         mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
         kdenliveDoc = mlt.firstChildElement(QStringLiteral("kdenlivedoc"));
     } else if (rootDir.isEmpty()) {
         mlt.setAttribute(QStringLiteral("root"), m_url.adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash).toLocalFile());
     }
 
     QLocale documentLocale = QLocale::c(); // Document locale for conversion. Previous MLT / Kdenlive versions used C locale by default
     QDomElement main_playlist;
     QDomNodeList playlists = m_doc.elementsByTagName(QStringLiteral("playlist"));
     for (int i = 0; i < playlists.count(); i++) {
         if (playlists.at(i).toElement().attribute(QStringLiteral("id")) == QLatin1String("main bin") ||
             playlists.at(i).toElement().attribute(QStringLiteral("id")) == QLatin1String("main_bin")) {
             main_playlist = playlists.at(i).toElement();
             break;
         }
     }
 
     if (mlt.hasAttribute(QStringLiteral("LC_NUMERIC"))) { // Backwards compatibility
         // Check document numeric separator (added in Kdenlive 16.12.1 and removed in Kdenlive 20.08)
         QString sep = Xml::getXmlProperty(main_playlist, "kdenlive:docproperties.decimalPoint", QString("."));
         QString mltLocale = mlt.attribute(QStringLiteral("LC_NUMERIC"), "C"); // Backwards compatibility
         qDebug() << "LOCALE: Document uses " << sep << " as decimal point and " << mltLocale << " as locale";
 
         auto localeMatch = LocaleHandling::getQLocaleForDecimalPoint(mltLocale, sep);
         qDebug() << "Searching for locale: Found " << localeMatch.first << " with match type " << int(localeMatch.second);
 
         if (localeMatch.second == LocaleHandling::MatchType::NoMatch) {
             // Requested locale not available, ask for install
             KMessageBox::error(QApplication::activeWindow(),
                                i18n("The document was created in \"%1\" locale, which is not installed on your system. Please install that language pack. "
                                     "Until then, Kdenlive might not be able to correctly open the document.",
                                     mltLocale));
         }
 
         documentLocale.setNumberOptions(QLocale::OmitGroupSeparator);
         documentLocale = localeMatch.first;
     }
 
     double version = -1;
     if (kdenliveDoc.isNull() || !kdenliveDoc.hasAttribute(QStringLiteral("version"))) {
         // Newer Kdenlive document version
         version = Xml::getXmlProperty(main_playlist, QStringLiteral("kdenlive:docproperties.version")).toDouble();
     } else {
         bool ok;
         version = documentLocale.toDouble(kdenliveDoc.attribute(QStringLiteral("version")), &ok);
         if (!ok) {
             // Could not parse version number, there is probably a conflict in decimal separator
             QLocale tempLocale = QLocale(mlt.attribute(QStringLiteral("LC_NUMERIC"))); // Try parsing version number with document locale
             version = tempLocale.toDouble(kdenliveDoc.attribute(QStringLiteral("version")), &ok);
             if (!ok) {
                 version = kdenliveDoc.attribute(QStringLiteral("version")).toDouble(&ok);
             }
             if (!ok) {
                 // Last try: replace comma with a dot
                 QString versionString = kdenliveDoc.attribute(QStringLiteral("version"));
                 if (versionString.contains(QLatin1Char(','))) {
                     versionString.replace(QLatin1Char(','), QLatin1Char('.'));
                 }
                 version = versionString.toDouble(&ok);
                 if (!ok) {
                     qCDebug(KDENLIVE_LOG) << "// CANNOT PARSE VERSION NUMBER, ERROR!";
                 }
             }
         }
     }
     if (qFuzzyIsNull(version)) {
         // version missing, try with latest
         KMessageBox::error(QApplication::activeWindow(), i18n("Version of the project file cannot be read.\nAttempting to open nonetheless."),
                            i18n("Incorrect project file"));
         version = currentVersion;
     }
     int mltMajorVersion = 0;
     int mltServiceVersion = 0;
     int mltPatchVersion = 0;
     const QString mltVersion = mlt.attribute(QStringLiteral("version"));
     const QStringList v = mltVersion.split(QLatin1Char('.'));
     if (v.size() > 2) {
         mltMajorVersion = v.at(0).toInt();
         mltServiceVersion = v.at(1).toInt();
         mltPatchVersion = v.at(2).toInt();
     }
     qDebug() << "FOUND MLT PROJECT VERSION: " << mltMajorVersion << " / " << mltServiceVersion << " / " << mltPatchVersion;
     if (mltMajorVersion <= 7 && mltServiceVersion <= 15) {
         // MLT <= 7.15.0 used the mute_on_pause property that is now deprecated and breaks audio playback so remove it
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         QDomNodeList chains = m_doc.elementsByTagName(QStringLiteral("chain"));
         int max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement t = producers.at(i).toElement();
             Xml::removeXmlProperty(t, QStringLiteral("mute_on_pause"));
         }
         max = chains.count();
         for (int i = 0; i < max; ++i) {
             QDomElement t = chains.at(i).toElement();
             Xml::removeXmlProperty(t, QStringLiteral("mute_on_pause"));
         }
     }
 
     // Upgrade the document to the latest version
     if (!upgrade(version, currentVersion)) {
         return QPair<bool, QString>(false, QString());
     }
 
     if (version < 0.97) {
         checkOrphanedProducers();
     }
 
     QString changedDecimalPoint;
     if (version < 1.00) {
         changedDecimalPoint = upgradeTo100(documentLocale);
     }
 
     return QPair<bool, QString>(true, changedDecimalPoint);
 }
 
 bool DocumentValidator::upgrade(double version, const double currentVersion)
 {
     qCDebug(KDENLIVE_LOG) << "Opening a document with version " << version << " / " << currentVersion;
 
     // No conversion needed
     if (qFuzzyCompare(version, currentVersion)) {
         return true;
     }
 
     Q_EMIT pCore->loadingMessageNewStage(i18n("Upgrading project version…"), 0);
     // The document is too new
     if (version > currentVersion) {
         // qCDebug(KDENLIVE_LOG) << "Unable to open document with version " << version;
         KMessageBox::error(
             QApplication::activeWindow(),
             i18n("This project type is unsupported (version %1) and cannot be loaded.\nPlease consider upgrading your Kdenlive version.", version),
             i18n("Unable to open project"));
         return false;
     }
 
     // Unsupported document versions
     if (qFuzzyCompare(version, 0.5) || qFuzzyCompare(version, 0.7)) {
         // 0.7 is unsupported
         // qCDebug(KDENLIVE_LOG) << "Unable to open document with version " << version;
         KMessageBox::error(QApplication::activeWindow(), i18n("This project type is unsupported (version %1) and cannot be loaded.", version),
                            i18n("Unable to open project"));
         return false;
     }
 
     // <kdenlivedoc />
     QDomNode infoXmlNode;
     QDomElement infoXml;
     QDomNodeList docs = m_doc.elementsByTagName(QStringLiteral("kdenlivedoc"));
     if (!docs.isEmpty()) {
         infoXmlNode = m_doc.elementsByTagName(QStringLiteral("kdenlivedoc")).at(0);
         infoXml = infoXmlNode.toElement();
         infoXml.setAttribute(QStringLiteral("upgraded"), 1);
     }
     m_doc.documentElement().setAttribute(QStringLiteral("upgraded"), 1);
 
     if (version <= 0.6) {
         QDomElement infoXml_old = infoXmlNode.cloneNode(true).toElement(); // Needed for folders
         QDomNode westley = m_doc.elementsByTagName(QStringLiteral("westley")).at(1);
         QDomNode tractor = m_doc.elementsByTagName(QStringLiteral("tractor")).at(0);
         QDomNode multitrack = m_doc.elementsByTagName(QStringLiteral("multitrack")).at(0);
         QDomNodeList playlists = m_doc.elementsByTagName(QStringLiteral("playlist"));
 
         QDomNode props = m_doc.elementsByTagName(QStringLiteral("properties")).at(0).toElement();
         QString profile = props.toElement().attribute(QStringLiteral("videoprofile"));
         int startPos = props.toElement().attribute(QStringLiteral("timeline_position")).toInt();
         if (profile == QLatin1String("dv_wide")) {
             profile = QStringLiteral("dv_pal_wide");
         }
 
         // move playlists outside of tractor and add the tracks instead
         int max = playlists.count();
         if (westley.isNull()) {
             westley = m_doc.createElement(QStringLiteral("westley"));
             m_doc.documentElement().appendChild(westley);
         }
         if (tractor.isNull()) {
             // qCDebug(KDENLIVE_LOG) << "// NO MLT PLAYLIST, building empty one";
             QDomElement blank_tractor = m_doc.createElement(QStringLiteral("tractor"));
             westley.appendChild(blank_tractor);
             QDomElement blank_playlist = m_doc.createElement(QStringLiteral("playlist"));
             blank_playlist.setAttribute(QStringLiteral("id"), QStringLiteral("black_track"));
             westley.insertBefore(blank_playlist, QDomNode());
             QDomElement blank_track = m_doc.createElement(QStringLiteral("track"));
             blank_track.setAttribute(QStringLiteral("producer"), QStringLiteral("black_track"));
             blank_tractor.appendChild(blank_track);
 
             QDomNodeList kdenlivetracks = m_doc.elementsByTagName(QStringLiteral("kdenlivetrack"));
             for (int i = 0; i < kdenlivetracks.count(); ++i) {
                 blank_playlist = m_doc.createElement(QStringLiteral("playlist"));
                 blank_playlist.setAttribute(QStringLiteral("id"), QStringLiteral("playlist") + QString::number(i));
                 westley.insertBefore(blank_playlist, QDomNode());
                 blank_track = m_doc.createElement(QStringLiteral("track"));
                 blank_track.setAttribute(QStringLiteral("producer"), QStringLiteral("playlist") + QString::number(i));
                 blank_tractor.appendChild(blank_track);
                 if (kdenlivetracks.at(i).toElement().attribute(QStringLiteral("cliptype")) == QLatin1String("Sound")) {
                     blank_playlist.setAttribute(QStringLiteral("hide"), QStringLiteral("video"));
                     blank_track.setAttribute(QStringLiteral("hide"), QStringLiteral("video"));
                 }
             }
         } else
             for (int i = 0; i < max; ++i) {
                 QDomNode n = playlists.at(i);
                 westley.insertBefore(n, QDomNode());
                 QDomElement pl = n.toElement();
                 QDomElement track = m_doc.createElement(QStringLiteral("track"));
                 QString trackType = pl.attribute(QStringLiteral("hide"));
                 if (!trackType.isEmpty()) {
                     track.setAttribute(QStringLiteral("hide"), trackType);
                 }
                 QString playlist_id = pl.attribute(QStringLiteral("id"));
                 if (playlist_id.isEmpty()) {
                     playlist_id = QStringLiteral("black_track");
                     pl.setAttribute(QStringLiteral("id"), playlist_id);
                 }
                 track.setAttribute(QStringLiteral("producer"), playlist_id);
 // tractor.appendChild(track);
 #define KEEP_TRACK_ORDER 1
 #ifdef KEEP_TRACK_ORDER
                 tractor.insertAfter(track, QDomNode());
 #else
                 // Insert the new track in an order that hopefully matches the 3 video, then 2 audio tracks of Kdenlive 0.7.0
                 // insertion sort - O( tracks*tracks )
                 // Note, this breaks _all_ transitions - but you can move them up and down afterwards.
                 QDomElement tractor_elem = tractor.toElement();
                 if (!tractor_elem.isNull()) {
                     QDomNodeList tracks = tractor_elem.elementsByTagName("track");
                     int size = tracks.size();
                     if (size == 0) {
                         tractor.insertAfter(track, QDomNode());
                     } else {
                         bool inserted = false;
                         for (int i = 0; i < size; ++i) {
                             QDomElement track_elem = tracks.at(i).toElement();
                             if (track_elem.isNull()) {
                                 tractor.insertAfter(track, QDomNode());
                                 inserted = true;
                                 break;
                             } else {
                                 // qCDebug(KDENLIVE_LOG) << "playlist_id: " << playlist_id << " producer:" << track_elem.attribute("producer");
                                 if (playlist_id < track_elem.attribute("producer")) {
                                     tractor.insertBefore(track, track_elem);
                                     inserted = true;
                                     break;
                                 }
                             }
                         }
                         // Reach here, no insertion, insert last
                         if (!inserted) {
                             tractor.insertAfter(track, QDomNode());
                         }
                     }
                 } else {
                     qCWarning(KDENLIVE_LOG) << "tractor was not a QDomElement";
                     tractor.insertAfter(track, QDomNode());
                 }
 #endif
             }
         tractor.removeChild(multitrack);
 
         // audio track mixing transitions should not be added to track view, so add required attribute
         QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
         max = transitions.count();
         for (int i = 0; i < max; ++i) {
             QDomElement tr = transitions.at(i).toElement();
             if (tr.attribute(QStringLiteral("combine")) == QLatin1String("1") && tr.attribute(QStringLiteral("mlt_service")) == QLatin1String("mix")) {
                 QDomElement property = m_doc.createElement(QStringLiteral("property"));
                 property.setAttribute(QStringLiteral("name"), QStringLiteral("internal_added"));
                 QDomText value = m_doc.createTextNode(QStringLiteral("237"));
                 property.appendChild(value);
                 tr.appendChild(property);
                 property = m_doc.createElement(QStringLiteral("property"));
                 property.setAttribute(QStringLiteral("name"), QStringLiteral("mlt_service"));
                 value = m_doc.createTextNode(QStringLiteral("mix"));
                 property.appendChild(value);
                 tr.appendChild(property);
             } else {
                 // convert transition
                 QDomNamedNodeMap attrs = tr.attributes();
                 for (int j = 0; j < attrs.count(); ++j) {
                     QString attrName = attrs.item(j).nodeName();
                     if (attrName != QLatin1String("in") && attrName != QLatin1String("out") && attrName != QLatin1String("id")) {
                         QDomElement property = m_doc.createElement(QStringLiteral("property"));
                         property.setAttribute(QStringLiteral("name"), attrName);
                         QDomText value = m_doc.createTextNode(attrs.item(j).nodeValue());
                         property.appendChild(value);
                         tr.appendChild(property);
                     }
                 }
             }
         }
 
         // move transitions after tracks
         for (int i = 0; i < max; ++i) {
             tractor.insertAfter(transitions.at(0), QDomNode());
         }
 
         // Fix filters format
         QDomNodeList entries = m_doc.elementsByTagName(QStringLiteral("entry"));
         max = entries.count();
         for (int i = 0; i < max; ++i) {
             QString last_id;
             int effectix = 0;
             QDomNode m = entries.at(i).firstChild();
             while (!m.isNull()) {
                 if (m.toElement().tagName() == QLatin1String("filter")) {
                     QDomElement filt = m.toElement();
                     QDomNamedNodeMap attrs = filt.attributes();
                     QString current_id = filt.attribute(QStringLiteral("kdenlive_id"));
                     if (current_id != last_id) {
                         effectix++;
                         last_id = current_id;
                     }
                     QDomElement e = m_doc.createElement(QStringLiteral("property"));
                     e.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive_ix"));
                     QDomText value = m_doc.createTextNode(QString::number(effectix));
                     e.appendChild(value);
                     filt.appendChild(e);
                     for (int j = 0; j < attrs.count(); ++j) {
                         QDomAttr a = attrs.item(j).toAttr();
                         if (!a.isNull()) {
                             // qCDebug(KDENLIVE_LOG) << " FILTER; adding :" << a.name() << ':' << a.value();
                             auto property = m_doc.createElement(QStringLiteral("property"));
                             property.setAttribute(QStringLiteral("name"), a.name());
                             auto property_value = m_doc.createTextNode(a.value());
                             property.appendChild(property_value);
                             filt.appendChild(property);
                         }
                     }
                 }
                 m = m.nextSibling();
             }
         }
 
         // fix slowmotion
         QDomNodeList producers = westley.toElement().elementsByTagName(QStringLiteral("producer"));
         max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(i).toElement();
             if (prod.attribute(QStringLiteral("mlt_service")) == QLatin1String("framebuffer")) {
                 QString slowmotionprod = prod.attribute(QStringLiteral("resource"));
                 slowmotionprod.replace(QLatin1Char(':'), QLatin1Char('?'));
                 // qCDebug(KDENLIVE_LOG) << "// FOUND WRONG SLOWMO, new: " << slowmotionprod;
                 prod.setAttribute(QStringLiteral("resource"), slowmotionprod);
             }
         }
         // move producers to correct place, markers to a global list, fix clip descriptions
         QDomElement markers = m_doc.createElement(QStringLiteral("markers"));
         // This will get the xml producers:
         producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(0).toElement();
             QDomNode m = prod.firstChild();
             if (!m.isNull()) {
                 if (m.toElement().tagName() == QLatin1String("markers")) {
                     QDomNodeList prodchilds = m.childNodes();
                     int maxchild = prodchilds.count();
                     for (int k = 0; k < maxchild; ++k) {
                         QDomElement mark = prodchilds.at(0).toElement();
                         mark.setAttribute(QStringLiteral("id"), prod.attribute(QStringLiteral("id")));
                         markers.insertAfter(mark, QDomNode());
                     }
                     prod.removeChild(m);
                 } else if (prod.attribute(QStringLiteral("type")).toInt() == int(ClipType::Text)) {
                     // convert title clip
                     if (m.toElement().tagName() == QLatin1String("textclip")) {
                         QDomDocument tdoc;
                         QDomElement titleclip = m.toElement();
                         QDomElement title = tdoc.createElement(QStringLiteral("kdenlivetitle"));
                         tdoc.appendChild(title);
                         QDomNodeList objects = titleclip.childNodes();
                         int maxchild = objects.count();
                         for (int k = 0; k < maxchild; ++k) {
                             QDomElement ob = objects.at(k).toElement();
                             if (ob.attribute(QStringLiteral("type")) == QLatin1String("3")) {
                                 // text object - all of this goes into "xmldata"...
                                 QDomElement item = tdoc.createElement(QStringLiteral("item"));
                                 item.setAttribute(QStringLiteral("z-index"), ob.attribute(QStringLiteral("z")));
                                 item.setAttribute(QStringLiteral("type"), QStringLiteral("QGraphicsTextItem"));
                                 QDomElement position = tdoc.createElement(QStringLiteral("position"));
                                 position.setAttribute(QStringLiteral("x"), ob.attribute(QStringLiteral("x")));
                                 position.setAttribute(QStringLiteral("y"), ob.attribute(QStringLiteral("y")));
                                 QDomElement content = tdoc.createElement(QStringLiteral("content"));
                                 content.setAttribute(QStringLiteral("font"), ob.attribute(QStringLiteral("font_family")));
                                 content.setAttribute(QStringLiteral("font-size"), ob.attribute(QStringLiteral("font_size")));
                                 content.setAttribute(QStringLiteral("font-bold"), ob.attribute(QStringLiteral("bold")));
                                 content.setAttribute(QStringLiteral("font-italic"), ob.attribute(QStringLiteral("italic")));
                                 content.setAttribute(QStringLiteral("font-underline"), ob.attribute(QStringLiteral("underline")));
                                 QString col = ob.attribute(QStringLiteral("color"));
                                 QColor c(col);
                                 content.setAttribute(QStringLiteral("font-color"), colorToString(c));
                                 // todo: These fields are missing from the newly generated xmldata:
                                 // transform, startviewport, endviewport, background
 
                                 QDomText conttxt = tdoc.createTextNode(ob.attribute(QStringLiteral("text")));
                                 content.appendChild(conttxt);
                                 item.appendChild(position);
                                 item.appendChild(content);
                                 title.appendChild(item);
                             } else if (ob.attribute(QStringLiteral("type")) == QLatin1String("5")) {
                                 // rectangle object
                                 QDomElement item = tdoc.createElement(QStringLiteral("item"));
                                 item.setAttribute(QStringLiteral("z-index"), ob.attribute(QStringLiteral("z")));
                                 item.setAttribute(QStringLiteral("type"), QStringLiteral("QGraphicsRectItem"));
                                 QDomElement position = tdoc.createElement(QStringLiteral("position"));
                                 position.setAttribute(QStringLiteral("x"), ob.attribute(QStringLiteral("x")));
                                 position.setAttribute(QStringLiteral("y"), ob.attribute(QStringLiteral("y")));
                                 QDomElement content = tdoc.createElement(QStringLiteral("content"));
                                 QString col = ob.attribute(QStringLiteral("color"));
                                 QColor c(col);
                                 content.setAttribute(QStringLiteral("brushcolor"), colorToString(c));
                                 QString rect = QStringLiteral("0,0,");
                                 rect.append(ob.attribute(QStringLiteral("width")));
                                 rect.append(QLatin1String(","));
                                 rect.append(ob.attribute(QStringLiteral("height")));
                                 content.setAttribute(QStringLiteral("rect"), rect);
                                 item.appendChild(position);
                                 item.appendChild(content);
                                 title.appendChild(item);
                             }
                         }
                         prod.setAttribute(QStringLiteral("xmldata"), tdoc.toString());
                         prod.removeChild(m);
                     } // End conversion of title clips.
 
                 } else if (m.isText()) {
                     QString comment = m.nodeValue();
                     if (!comment.isEmpty()) {
                         prod.setAttribute(QStringLiteral("description"), comment);
                     }
                     prod.removeChild(m);
                 }
             }
             int duration = prod.attribute(QStringLiteral("duration")).toInt();
             if (duration > 0) {
                 prod.setAttribute(QStringLiteral("out"), QString::number(duration));
             }
             // The clip goes back in, but text clips should not go back in, at least not modified
             westley.insertBefore(prod, QDomNode());
         }
 
         QDomNode westley0 = m_doc.elementsByTagName(QStringLiteral("westley")).at(0);
         if (!markers.firstChild().isNull()) {
             westley0.appendChild(markers);
         }
 
         /*
          * Convert as much of the kdenlivedoc as possible. Use the producer in
          * westley. First, remove the old stuff from westley, and add a new
          * empty one. Also, track the max id in order to use it for the adding
          * of groups/folders
          */
         int max_kproducer_id = 0;
         westley0.removeChild(infoXmlNode);
         QDomElement infoXml_new = m_doc.createElement(QStringLiteral("kdenlivedoc"));
         infoXml_new.setAttribute(QStringLiteral("profile"), profile);
         infoXml.setAttribute(QStringLiteral("position"), startPos);
 
         // Add all the producers that has a resource in westley
         QDomElement westley_element = westley0.toElement();
         if (westley_element.isNull()) {
             qCWarning(KDENLIVE_LOG) << "westley0 element in document was not a QDomElement - unable to add producers to new kdenlivedoc";
         } else {
             QDomNodeList wproducers = westley_element.elementsByTagName(QStringLiteral("producer"));
             int kmax = wproducers.count();
             for (int i = 0; i < kmax; ++i) {
                 QDomElement wproducer = wproducers.at(i).toElement();
                 if (wproducer.isNull()) {
                     qCWarning(KDENLIVE_LOG) << "Found producer in westley0, that was not a QDomElement";
                     continue;
                 }
                 if (wproducer.attribute(QStringLiteral("id")) == QLatin1String("black")) {
                     continue;
                 }
                 // We have to do slightly different things, depending on the type
                 // qCDebug(KDENLIVE_LOG) << "Converting producer element with type" << wproducer.attribute("type");
                 if (wproducer.attribute(QStringLiteral("type")).toInt() == int(ClipType::Text)) {
                     // qCDebug(KDENLIVE_LOG) << "Found TEXT element in producer" << endl;
                     QDomElement kproducer = wproducer.cloneNode(true).toElement();
                     kproducer.setTagName(QStringLiteral("kdenlive_producer"));
                     infoXml_new.appendChild(kproducer);
                     /*
                      * TODO: Perhaps needs some more changes here to
                      * "frequency", aspect ratio as a float, frame_size,
                      * channels, and later, resource and title name
                      */
                 } else {
                     QDomElement kproducer = m_doc.createElement(QStringLiteral("kdenlive_producer"));
                     kproducer.setAttribute(QStringLiteral("id"), wproducer.attribute(QStringLiteral("id")));
                     if (!wproducer.attribute(QStringLiteral("description")).isEmpty()) {
                         kproducer.setAttribute(QStringLiteral("description"), wproducer.attribute(QStringLiteral("description")));
                     }
                     kproducer.setAttribute(QStringLiteral("resource"), wproducer.attribute(QStringLiteral("resource")));
                     kproducer.setAttribute(QStringLiteral("type"), wproducer.attribute(QStringLiteral("type")));
                     // Testing fix for 358
                     if (!wproducer.attribute(QStringLiteral("aspect_ratio")).isEmpty()) {
                         kproducer.setAttribute(QStringLiteral("aspect_ratio"), wproducer.attribute(QStringLiteral("aspect_ratio")));
                     }
                     if (!wproducer.attribute(QStringLiteral("source_fps")).isEmpty()) {
                         kproducer.setAttribute(QStringLiteral("fps"), wproducer.attribute(QStringLiteral("source_fps")));
                     }
                     if (!wproducer.attribute(QStringLiteral("length")).isEmpty()) {
                         kproducer.setAttribute(QStringLiteral("duration"), wproducer.attribute(QStringLiteral("length")));
                     }
                     infoXml_new.appendChild(kproducer);
                 }
                 if (wproducer.attribute(QStringLiteral("id")).toInt() > max_kproducer_id) {
                     max_kproducer_id = wproducer.attribute(QStringLiteral("id")).toInt();
                 }
             }
         }
 #define LOOKUP_FOLDER 1
 #ifdef LOOKUP_FOLDER
         /*
          * Look through all the folder elements of the old doc, for each folder,
          * for each producer, get the id, look it up in the new doc, set the
          * groupname and groupid. Note, this does not work at the moment - at
          * least one folder shows up missing, and clips with no folder does not
          * show up.
          */
         // QDomElement infoXml_old = infoXmlNode.toElement();
         if (!infoXml_old.isNull()) {
             QDomNodeList folders = infoXml_old.elementsByTagName(QStringLiteral("folder"));
             int fsize = folders.size();
             int groupId = max_kproducer_id + 1; // Start at +1 of max id of the kdenlive_producers
             for (int i = 0; i < fsize; ++i) {
                 QDomElement folder = folders.at(i).toElement();
                 if (!folder.isNull()) {
                     QString groupName = folder.attribute(QStringLiteral("name"));
                     // qCDebug(KDENLIVE_LOG) << "groupName: " << groupName << " with groupId: " << groupId;
                     QDomNodeList fproducers = folder.elementsByTagName(QStringLiteral("producer"));
                     int psize = fproducers.size();
                     for (int j = 0; j < psize; ++j) {
                         QDomElement fproducer = fproducers.at(j).toElement();
                         if (!fproducer.isNull()) {
                             QString id = fproducer.attribute(QStringLiteral("id"));
                             // This is not very effective, but compared to loading the clips, its a breeze
                             QDomNodeList kdenlive_producers = infoXml_new.elementsByTagName(QStringLiteral("kdenlive_producer"));
                             int kpsize = kdenlive_producers.size();
                             for (int k = 0; k < kpsize; ++k) {
                                 QDomElement kproducer = kdenlive_producers.at(k).toElement(); // Its an element for sure
                                 if (id == kproducer.attribute(QStringLiteral("id"))) {
                                     // We do not check that it already is part of a folder
                                     kproducer.setAttribute(QStringLiteral("groupid"), groupId);
                                     kproducer.setAttribute(QStringLiteral("groupname"), groupName);
                                     break;
                                 }
                             }
                         }
                     }
                     ++groupId;
                 }
             }
         }
 #endif
         QDomNodeList elements = westley.childNodes();
         max = elements.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = elements.at(0).toElement();
             westley0.insertAfter(prod, QDomNode());
         }
 
         westley0.appendChild(infoXml_new);
 
         westley0.removeChild(westley);
 
         // adds <avfile /> information to <kdenlive_producer />
         QDomNodeList kproducers = m_doc.elementsByTagName(QStringLiteral("kdenlive_producer"));
         QDomNodeList avfiles = infoXml_old.elementsByTagName(QStringLiteral("avfile"));
         // qCDebug(KDENLIVE_LOG) << "found" << avfiles.count() << "<avfile />s and" << kproducers.count() << "<kdenlive_producer />s";
         for (int i = 0; i < avfiles.count(); ++i) {
             QDomElement avfile = avfiles.at(i).toElement();
             QDomElement kproducer;
             if (avfile.isNull()) {
                 qCWarning(KDENLIVE_LOG) << "found an <avfile /> that is not a QDomElement";
             } else {
                 QString id = avfile.attribute(QStringLiteral("id"));
                 // this is horrible, must be rewritten, it's just for test
                 for (int j = 0; j < kproducers.count(); ++j) {
                     ////qCDebug(KDENLIVE_LOG) << "checking <kdenlive_producer /> with id" << kproducers.at(j).toElement().attribute("id");
                     if (kproducers.at(j).toElement().attribute(QStringLiteral("id")) == id) {
                         kproducer = kproducers.at(j).toElement();
                         break;
                     }
                 }
                 if (kproducer == QDomElement()) {
                     qCWarning(KDENLIVE_LOG) << "no match for <avfile /> with id =" << id;
                 } else {
                     ////qCDebug(KDENLIVE_LOG) << "ready to set additional <avfile />'s attributes (id =" << id << ')';
                     kproducer.setAttribute(QStringLiteral("channels"), avfile.attribute(QStringLiteral("channels")));
                     kproducer.setAttribute(QStringLiteral("duration"), avfile.attribute(QStringLiteral("duration")));
                     kproducer.setAttribute(QStringLiteral("frame_size"),
                                            avfile.attribute(QStringLiteral("width")) + QLatin1Char('x') + avfile.attribute(QStringLiteral("height")));
                     kproducer.setAttribute(QStringLiteral("frequency"), avfile.attribute(QStringLiteral("frequency")));
                     if (kproducer.attribute(QStringLiteral("description")).isEmpty() && !avfile.attribute(QStringLiteral("description")).isEmpty()) {
                         kproducer.setAttribute(QStringLiteral("description"), avfile.attribute(QStringLiteral("description")));
                     }
                 }
             }
         }
         infoXml = infoXml_new;
     }
 
     if (version <= 0.81) {
         // Add the tracks information
         QString tracksOrder = infoXml.attribute(QStringLiteral("tracks"));
         if (tracksOrder.isEmpty()) {
             QDomNodeList tracks = m_doc.elementsByTagName(QStringLiteral("track"));
             for (int i = 0; i < tracks.count(); ++i) {
                 QDomElement track = tracks.at(i).toElement();
                 if (track.attribute(QStringLiteral("producer")) != QLatin1String("black_track")) {
                     if (track.attribute(QStringLiteral("hide")) == QLatin1String("video")) {
                         tracksOrder.append(QLatin1Char('a'));
                     } else {
                         tracksOrder.append(QLatin1Char('v'));
                     }
                 }
             }
         }
         QDomElement tracksinfo = m_doc.createElement(QStringLiteral("tracksinfo"));
         for (int i = 0; i < tracksOrder.size(); ++i) {
             QDomElement trackinfo = m_doc.createElement(QStringLiteral("trackinfo"));
             if (tracksOrder.data()[i] == QLatin1Char('a')) {
                 trackinfo.setAttribute(QStringLiteral("type"), QStringLiteral("audio"));
                 trackinfo.setAttribute(QStringLiteral("blind"), 1);
             } else {
                 trackinfo.setAttribute(QStringLiteral("blind"), 0);
             }
             trackinfo.setAttribute(QStringLiteral("mute"), 0);
             trackinfo.setAttribute(QStringLiteral("locked"), 0);
             tracksinfo.appendChild(trackinfo);
         }
         infoXml.appendChild(tracksinfo);
     }
 
     if (version <= 0.82) {
         // Convert <westley />s in <mlt />s (MLT extreme makeover)
         QDomNodeList westleyNodes = m_doc.elementsByTagName(QStringLiteral("westley"));
         for (int i = 0; i < westleyNodes.count(); ++i) {
             QDomElement westley = westleyNodes.at(i).toElement();
             westley.setTagName(QStringLiteral("mlt"));
         }
     }
 
     if (version <= 0.83) {
         // Replace point size with pixel size in text titles
         if (m_doc.toString().contains(QStringLiteral("font-size"))) {
             KMessageBox::ButtonCode convert = KMessageBox::Continue;
             QDomNodeList kproducerNodes = m_doc.elementsByTagName(QStringLiteral("kdenlive_producer"));
             for (int i = 0; i < kproducerNodes.count() && convert != KMessageBox::SecondaryAction; ++i) {
                 QDomElement kproducer = kproducerNodes.at(i).toElement();
                 if (kproducer.attribute(QStringLiteral("type")).toInt() == int(ClipType::Text)) {
                     QDomDocument data;
                     data.setContent(kproducer.attribute(QStringLiteral("xmldata")));
                     QDomNodeList items = data.firstChild().childNodes();
                     for (int j = 0; j < items.count() && convert != KMessageBox::SecondaryAction; ++j) {
                         if (items.at(j).attributes().namedItem(QStringLiteral("type")).nodeValue() == QLatin1String("QGraphicsTextItem")) {
                             QDomNamedNodeMap textProperties = items.at(j).namedItem(QStringLiteral("content")).attributes();
                             if (textProperties.namedItem(QStringLiteral("font-pixel-size")).isNull() &&
                                 !textProperties.namedItem(QStringLiteral("font-size")).isNull()) {
                                 // Ask the user if he wants to convert
                                 if (convert != KMessageBox::PrimaryAction && convert != KMessageBox::SecondaryAction) {
                                     convert = KMessageBox::ButtonCode(KMessageBox::warningTwoActions(
                                         QApplication::activeWindow(),
                                         i18n("Some of your text clips were saved with size in points, which means different sizes on different displays. Do "
                                              "you want to convert them to pixel size, making them portable? It is recommended you do this on the computer they "
                                              "were first created on, or you could have to adjust their size."),
                                         i18n("Update Text Clips"), KGuiItem(i18n("Convert")), KStandardGuiItem::cancel()));
                                 }
                                 if (convert == KMessageBox::PrimaryAction) {
                                     QFont font;
                                     font.setPointSize(textProperties.namedItem(QStringLiteral("font-size")).nodeValue().toInt());
                                     QDomElement content = items.at(j).namedItem(QStringLiteral("content")).toElement();
                                     content.setAttribute(QStringLiteral("font-pixel-size"), QFontInfo(font).pixelSize());
                                     content.removeAttribute(QStringLiteral("font-size"));
                                     kproducer.setAttribute(QStringLiteral("xmldata"), data.toString());
                                     /*
                                      * You may be tempted to delete the preview file
                                      * to force its recreation: bad idea (see
                                      * http://www.kdenlive.org/mantis/view.php?id=749)
                                      */
                                 }
                             }
                         }
                     }
                 }
             }
         }
 
         // Fill the <documentproperties /> element
         QDomElement docProperties = infoXml.firstChildElement(QStringLiteral("documentproperties"));
         if (docProperties.isNull()) {
             docProperties = m_doc.createElement(QStringLiteral("documentproperties"));
             docProperties.setAttribute(QStringLiteral("zonein"), infoXml.attribute(QStringLiteral("zonein")));
             docProperties.setAttribute(QStringLiteral("zoneout"), infoXml.attribute(QStringLiteral("zoneout")));
             docProperties.setAttribute(QStringLiteral("zoom"), infoXml.attribute(QStringLiteral("zoom")));
             docProperties.setAttribute(QStringLiteral("position"), infoXml.attribute(QStringLiteral("position")));
             infoXml.appendChild(docProperties);
         }
     }
 
     if (version <= 0.84) {
         // update the title clips to use the new MLT kdenlivetitle producer
         QDomNodeList kproducerNodes = m_doc.elementsByTagName(QStringLiteral("kdenlive_producer"));
         for (int i = 0; i < kproducerNodes.count(); ++i) {
             QDomElement kproducer = kproducerNodes.at(i).toElement();
             if (kproducer.attribute(QStringLiteral("type")).toInt() == int(ClipType::Text)) {
                 QString data = kproducer.attribute(QStringLiteral("xmldata"));
                 QString datafile = kproducer.attribute(QStringLiteral("resource"));
                 if (!datafile.endsWith(QLatin1String(".kdenlivetitle"))) {
                     datafile = QString();
                     kproducer.setAttribute(QStringLiteral("resource"), QString());
                 }
                 QString id = kproducer.attribute(QStringLiteral("id"));
                 QDomNodeList mltproducers = m_doc.elementsByTagName(QStringLiteral("producer"));
                 bool foundData = false;
                 bool foundResource = false;
                 bool foundService = false;
                 for (int j = 0; j < mltproducers.count(); ++j) {
                     QDomElement wproducer = mltproducers.at(j).toElement();
                     if (wproducer.attribute(QStringLiteral("id")) == id) {
                         QDomNodeList props = wproducer.childNodes();
                         for (int k = 0; k < props.count(); ++k) {
                             if (props.at(k).toElement().attribute(QStringLiteral("name")) == QLatin1String("xmldata")) {
                                 props.at(k).firstChild().setNodeValue(data);
                                 foundData = true;
                             } else if (props.at(k).toElement().attribute(QStringLiteral("name")) == QLatin1String("mlt_service")) {
                                 props.at(k).firstChild().setNodeValue(QStringLiteral("kdenlivetitle"));
                                 foundService = true;
                             } else if (props.at(k).toElement().attribute(QStringLiteral("name")) == QLatin1String("resource")) {
                                 props.at(k).firstChild().setNodeValue(datafile);
                                 foundResource = true;
                             }
                         }
                         if (!foundData) {
                             QDomElement e = m_doc.createElement(QStringLiteral("property"));
                             e.setAttribute(QStringLiteral("name"), QStringLiteral("xmldata"));
                             QDomText value = m_doc.createTextNode(data);
                             e.appendChild(value);
                             wproducer.appendChild(e);
                         }
                         if (!foundService) {
                             QDomElement e = m_doc.createElement(QStringLiteral("property"));
                             e.setAttribute(QStringLiteral("name"), QStringLiteral("mlt_service"));
                             QDomText value = m_doc.createTextNode(QStringLiteral("kdenlivetitle"));
                             e.appendChild(value);
                             wproducer.appendChild(e);
                         }
                         if (!foundResource) {
                             QDomElement e = m_doc.createElement(QStringLiteral("property"));
                             e.setAttribute(QStringLiteral("name"), QStringLiteral("resource"));
                             QDomText value = m_doc.createTextNode(datafile);
                             e.appendChild(value);
                             wproducer.appendChild(e);
                         }
                         break;
                     }
                 }
             }
         }
     }
     if (version <= 0.85) {
         // update the LADSPA effects to use the new ladspa.id format instead of external xml file
         QDomNodeList effectNodes = m_doc.elementsByTagName(QStringLiteral("filter"));
         for (int i = 0; i < effectNodes.count(); ++i) {
             QDomElement effect = effectNodes.at(i).toElement();
             if (Xml::getXmlProperty(effect, QStringLiteral("mlt_service")) == QLatin1String("ladspa")) {
                 // Needs to be converted
                 QStringList info = getInfoFromEffectName(Xml::getXmlProperty(effect, QStringLiteral("kdenlive_id")));
                 if (info.isEmpty()) {
                     continue;
                 }
                 // info contains the correct ladspa.id from kdenlive effect name, and a list of parameter's old and new names
                 Xml::setXmlProperty(effect, QStringLiteral("kdenlive_id"), info.at(0));
                 Xml::setXmlProperty(effect, QStringLiteral("tag"), info.at(0));
                 Xml::setXmlProperty(effect, QStringLiteral("mlt_service"), info.at(0));
                 Xml::removeXmlProperty(effect, QStringLiteral("src"));
                 for (int j = 1; j < info.size(); ++j) {
                     QString value = Xml::getXmlProperty(effect, info.at(j).section(QLatin1Char('='), 0, 0));
                     if (!value.isEmpty()) {
                         // update parameter name
                         Xml::renameXmlProperty(effect, info.at(j).section(QLatin1Char('='), 0, 0), info.at(j).section(QLatin1Char('='), 1, 1));
                     }
                 }
             }
         }
     }
 
     if (version <= 0.86) {
         // Make sure we don't have avformat-novalidate producers, since it caused crashes
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         int max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(i).toElement();
             if (Xml::getXmlProperty(prod, QStringLiteral("mlt_service")) == QLatin1String("avformat-novalidate")) {
                 Xml::setXmlProperty(prod, QStringLiteral("mlt_service"), QStringLiteral("avformat"));
             }
         }
 
         // There was a mistake in Geometry transitions where the last keyframe was created one frame after the end of transition, so fix it and move last
         // keyframe to real end of transition
 
         // Get profile info (width / height)
         QDomElement profile = m_doc.firstChildElement(QStringLiteral("profile"));
         if (profile.isNull()) {
             profile = infoXml.firstChildElement(QStringLiteral("profileinfo"));
             if (!profile.isNull()) {
                 // old MLT format, we need to add profile
                 QDomNode mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
                 QDomNode firstProd = m_doc.firstChildElement(QStringLiteral("producer"));
                 QDomElement pr = profile.cloneNode().toElement();
                 pr.setTagName(QStringLiteral("profile"));
                 mlt.insertBefore(pr, firstProd);
             }
         }
         // TODO MLT7: port?
         /*int profileWidth;
         int profileHeight;
         if (profile.isNull()) {
             // could not find profile info, set PAL
             profileWidth = 720;
             profileHeight = 576;
         } else {
             profileWidth = profile.attribute(QStringLiteral("width")).toInt();
             profileHeight = profile.attribute(QStringLiteral("height")).toInt();
         }
         QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
         max = transitions.count();
         for (int i = 0; i < max; ++i) {
 
             QDomElement trans = transitions.at(i).toElement();
             int out = trans.attribute(QStringLiteral("out")).toInt() - trans.attribute(QStringLiteral("in")).toInt();
             QString geom = Xml::getXmlProperty(trans, QStringLiteral("geometry"));
             Mlt::Geometry *g = new Mlt::Geometry(geom.toUtf8().data(), out, profileWidth, profileHeight);
             Mlt::GeometryItem item;
             if (g->next_key(&item, out) == 0) {
                 // We have a keyframe just after last frame, try to move it to last frame
                 if (item.frame() == out + 1) {
                     item.frame(out);
                     g->insert(item);
                     g->remove(out + 1);
                     Xml::setXmlProperty(trans, QStringLiteral("geometry"), QString::fromLatin1(g->serialise()));
                 }
             }
             delete g;
 
         }*/
     }
 
     if (version <= 0.87) {
         if (!m_doc.firstChildElement(QStringLiteral("mlt")).hasAttribute(QStringLiteral("LC_NUMERIC"))) {
             m_doc.firstChildElement(QStringLiteral("mlt")).setAttribute(QStringLiteral("LC_NUMERIC"), QStringLiteral("C"));
         }
     }
 
     if (version <= 0.88) {
         // convert to new MLT-only format
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         QDomDocumentFragment frag = m_doc.createDocumentFragment();
 
         // Create Bin Playlist
         QDomElement main_playlist = m_doc.createElement(QStringLiteral("playlist"));
         QDomElement prop = m_doc.createElement(QStringLiteral("property"));
         prop.setAttribute(QStringLiteral("name"), QStringLiteral("xml_retain"));
         QDomText val = m_doc.createTextNode(QStringLiteral("1"));
         prop.appendChild(val);
         main_playlist.appendChild(prop);
 
         // Move markers
         QDomNodeList markers = m_doc.elementsByTagName(QStringLiteral("marker"));
         for (int i = 0; i < markers.count(); ++i) {
             QDomElement marker = markers.at(i).toElement();
             QDomElement property = m_doc.createElement(QStringLiteral("property"));
             property.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:marker.") + marker.attribute(QStringLiteral("id")) + QLatin1Char(':') +
                                                               marker.attribute(QStringLiteral("time")));
             QDomText val_node = m_doc.createTextNode(marker.attribute(QStringLiteral("type")) + QLatin1Char(':') + marker.attribute(QStringLiteral("comment")));
             property.appendChild(val_node);
             main_playlist.appendChild(property);
         }
 
         // Move guides
         QDomNodeList guides = m_doc.elementsByTagName(QStringLiteral("guide"));
         for (int i = 0; i < guides.count(); ++i) {
             QDomElement guide = guides.at(i).toElement();
             QDomElement property = m_doc.createElement(QStringLiteral("property"));
             property.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:guide.") + guide.attribute(QStringLiteral("time")));
             QDomText val_node = m_doc.createTextNode(guide.attribute(QStringLiteral("comment")));
             property.appendChild(val_node);
             main_playlist.appendChild(property);
         }
 
         // Move folders
         QDomNodeList folders = m_doc.elementsByTagName(QStringLiteral("folder"));
         for (int i = 0; i < folders.count(); ++i) {
             QDomElement folder = folders.at(i).toElement();
             QDomElement property = m_doc.createElement(QStringLiteral("property"));
             property.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:folder.-1.") + folder.attribute(QStringLiteral("id")));
             QDomText val_node = m_doc.createTextNode(folder.attribute(QStringLiteral("name")));
             property.appendChild(val_node);
             main_playlist.appendChild(property);
         }
 
         QDomNode mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
         main_playlist.setAttribute(QStringLiteral("id"), BinPlaylist::binPlaylistId);
         mlt.toElement().setAttribute(QStringLiteral("producer"), BinPlaylist::binPlaylistId);
         QStringList ids;
         QStringList slowmotionIds;
         QDomNode firstProd = m_doc.firstChildElement(QStringLiteral("producer"));
 
         QDomNodeList kdenlive_producers = m_doc.elementsByTagName(QStringLiteral("kdenlive_producer"));
 
         // Rename all track producers to correct name: "id_playlistName" instead of "id_trackNumber"
         QMap<QString, QString> trackRenaming;
         // Create a list of which producers / track on which the producer is
         QMap<QString, QString> playlistForId;
         QDomNodeList entries = m_doc.elementsByTagName(QStringLiteral("entry"));
         for (int i = 0; i < entries.count(); i++) {
             QDomElement entry = entries.at(i).toElement();
             QString entryId = entry.attribute(QStringLiteral("producer"));
             if (entryId == QLatin1String("black")) {
                 continue;
             }
             bool audioOnlyProducer = false;
             if (trackRenaming.contains(entryId)) {
                 // rename
                 entry.setAttribute(QStringLiteral("producer"), trackRenaming.value(entryId));
                 continue;
             }
             if (entryId.endsWith(QLatin1String("_video"))) {
                 // Video only producers are not track aware
                 continue;
             }
             if (entryId.endsWith(QLatin1String("_audio"))) {
                 // Audio only producer
                 audioOnlyProducer = true;
                 entryId = entryId.section(QLatin1Char('_'), 0, -2);
             }
             if (!entryId.contains(QLatin1Char('_'))) {
                 // not a track producer
                 playlistForId.insert(entryId, entry.parentNode().toElement().attribute(QStringLiteral("id")));
                 continue;
             }
             if (entryId.startsWith(QLatin1String("slowmotion:"))) {
                 // Check broken slowmotion producers (they should not be track aware)
                 QString newId = QStringLiteral("slowmotion:") + entryId.section(QLatin1Char(':'), 1, 1).section(QLatin1Char('_'), 0, 0) + QLatin1Char(':') +
                                 entryId.section(QLatin1Char(':'), 2);
                 trackRenaming.insert(entryId, newId);
                 entry.setAttribute(QStringLiteral("producer"), newId);
                 continue;
             }
             QString track = entryId.section(QLatin1Char('_'), 1, 1);
             QString playlistId = entry.parentNode().toElement().attribute(QStringLiteral("id"));
             if (track == playlistId) {
                 continue;
             }
             QString newId = entryId.section(QLatin1Char('_'), 0, 0) + QLatin1Char('_') + playlistId;
             if (audioOnlyProducer) {
                 newId.append(QStringLiteral("_audio"));
                 trackRenaming.insert(entryId + QStringLiteral("_audio"), newId);
             } else {
                 trackRenaming.insert(entryId, newId);
             }
             entry.setAttribute(QStringLiteral("producer"), newId);
         }
         if (!trackRenaming.isEmpty()) {
             for (int i = 0; i < producers.count(); ++i) {
                 QDomElement prod = producers.at(i).toElement();
                 QString id = prod.attribute(QStringLiteral("id"));
                 if (trackRenaming.contains(id)) {
                     prod.setAttribute(QStringLiteral("id"), trackRenaming.value(id));
                 }
             }
         }
 
         // Create easily searchable index of original producers
         QMap<QString, QDomElement> m_source_producers;
         for (int j = 0; j < kdenlive_producers.count(); j++) {
             QDomElement prod = kdenlive_producers.at(j).toElement();
             QString id = prod.attribute(QStringLiteral("id"));
             m_source_producers.insert(id, prod);
         }
 
         for (int i = 0; i < producers.count(); ++i) {
             QDomElement prod = producers.at(i).toElement();
             QString id = prod.attribute(QStringLiteral("id"));
             if (id == QLatin1String("black")) {
                 continue;
             }
             if (id.startsWith(QLatin1String("slowmotion"))) {
                 // No need to process slowmotion producers
                 QString slowmo = id.section(QLatin1Char(':'), 1, 1).section(QLatin1Char('_'), 0, 0);
                 if (!slowmotionIds.contains(slowmo)) {
                     slowmotionIds << slowmo;
                 }
                 continue;
             }
             QString prodId = id.section(QLatin1Char('_'), 0, 0);
             if (ids.contains(prodId)) {
                 // Make sure we didn't create a duplicate
                 if (ids.contains(id)) {
                     // we have a duplicate, check if this needs to be a track producer
                     QString service = Xml::getXmlProperty(prod, QStringLiteral("mlt_service"));
                     int a_ix = Xml::getXmlProperty(prod, QStringLiteral("audio_index")).toInt();
                     if (service == QLatin1String("xml") || service == QLatin1String("consumer") ||
                         (service.contains(QStringLiteral("avformat")) && a_ix != -1)) {
                         // This should be a track producer, rename
                         QString newId = id + QLatin1Char('_') + playlistForId.value(id);
                         prod.setAttribute(QStringLiteral("id"), newId);
                         for (int j = 0; j < entries.count(); j++) {
                             QDomElement entry = entries.at(j).toElement();
                             QString entryId = entry.attribute(QStringLiteral("producer"));
                             if (entryId == id) {
                                 entry.setAttribute(QStringLiteral("producer"), newId);
                             }
                         }
                     } else {
                         // This is a duplicate, remove
                         mlt.removeChild(prod);
                         i--;
                     }
                 }
                 // Already processed, continue
                 continue;
             }
             if (id == prodId) {
                 // This is an original producer, move it to the main playlist
                 QDomElement entry = m_doc.createElement(QStringLiteral("entry"));
                 entry.setAttribute(QStringLiteral("producer"), id);
                 main_playlist.appendChild(entry);
                 QString service = Xml::getXmlProperty(prod, QStringLiteral("mlt_service"));
                 if (service == QLatin1String("kdenlivetitle")) {
                     fixTitleProducerLocale(prod);
                 }
                 QDomElement source = m_source_producers.value(id);
                 if (!source.isNull()) {
                     updateProducerInfo(prod, source);
                     entry.setAttribute(QStringLiteral("in"), QStringLiteral("0"));
                     entry.setAttribute(QStringLiteral("out"), QString::number(source.attribute(QStringLiteral("duration")).toInt() - 1));
                 }
                 frag.appendChild(prod);
                 // Changing prod parent removes it from list, so rewind index
                 i--;
             } else {
                 QDomElement originalProd = prod.cloneNode().toElement();
                 originalProd.setAttribute(QStringLiteral("id"), prodId);
                 if (id.endsWith(QLatin1String("_audio"))) {
                     Xml::removeXmlProperty(originalProd, QStringLiteral("video_index"));
                 } else if (id.endsWith(QLatin1String("_video"))) {
                     Xml::removeXmlProperty(originalProd, QStringLiteral("audio_index"));
                 }
                 QDomElement source = m_source_producers.value(prodId);
                 QDomElement entry = m_doc.createElement(QStringLiteral("entry"));
                 if (!source.isNull()) {
                     updateProducerInfo(originalProd, source);
                     entry.setAttribute(QStringLiteral("in"), QStringLiteral("0"));
                     entry.setAttribute(QStringLiteral("out"), QString::number(source.attribute(QStringLiteral("duration")).toInt() - 1));
                 }
                 frag.appendChild(originalProd);
                 entry.setAttribute(QStringLiteral("producer"), prodId);
                 main_playlist.appendChild(entry);
             }
             ids.append(prodId);
         }
 
         // Make sure to include producers that were not in timeline
         for (int j = 0; j < kdenlive_producers.count(); j++) {
             QDomElement prod = kdenlive_producers.at(j).toElement();
             QString id = prod.attribute(QStringLiteral("id"));
             if (!ids.contains(id)) {
                 // Clip was not in timeline, create it
                 QDomElement originalProd = prod.cloneNode().toElement();
                 originalProd.setTagName(QStringLiteral("producer"));
                 Xml::setXmlProperty(originalProd, QStringLiteral("resource"), originalProd.attribute(QStringLiteral("resource")));
                 updateProducerInfo(originalProd, prod);
                 originalProd.removeAttribute(QStringLiteral("proxy"));
                 originalProd.removeAttribute(QStringLiteral("type"));
                 originalProd.removeAttribute(QStringLiteral("file_hash"));
                 originalProd.removeAttribute(QStringLiteral("file_size"));
                 originalProd.removeAttribute(QStringLiteral("frame_size"));
                 originalProd.removeAttribute(QStringLiteral("zone_out"));
                 originalProd.removeAttribute(QStringLiteral("zone_in"));
                 originalProd.removeAttribute(QStringLiteral("name"));
                 originalProd.removeAttribute(QStringLiteral("type"));
                 originalProd.removeAttribute(QStringLiteral("duration"));
                 originalProd.removeAttribute(QStringLiteral("cutzones"));
 
                 int type = prod.attribute(QStringLiteral("type")).toInt();
                 QString mltService;
                 switch (type) {
                 case 4:
                     mltService = QStringLiteral("colour");
                     break;
                 case 5:
                 case 7:
                     mltService = QStringLiteral("qimage");
                     break;
                 case 6:
                     mltService = QStringLiteral("kdenlivetitle");
                     break;
                 case 9:
                     mltService = QStringLiteral("xml");
                     break;
                 default:
                     mltService = QStringLiteral("avformat");
                     break;
                 }
                 Xml::setXmlProperty(originalProd, QStringLiteral("mlt_service"), mltService);
                 Xml::setXmlProperty(originalProd, QStringLiteral("mlt_type"), QStringLiteral("producer"));
                 QDomElement entry = m_doc.createElement(QStringLiteral("entry"));
                 entry.setAttribute(QStringLiteral("in"), QStringLiteral("0"));
                 entry.setAttribute(QStringLiteral("out"), QString::number(prod.attribute(QStringLiteral("duration")).toInt() - 1));
                 entry.setAttribute(QStringLiteral("producer"), id);
                 main_playlist.appendChild(entry);
                 if (type == 6) {
                     fixTitleProducerLocale(originalProd);
                 }
                 frag.appendChild(originalProd);
                 ids << id;
             }
         }
 
         // Set clip folders
         for (int j = 0; j < kdenlive_producers.count(); j++) {
             QDomElement prod = kdenlive_producers.at(j).toElement();
             QString id = prod.attribute(QStringLiteral("id"));
             QString folder = prod.attribute(QStringLiteral("groupid"));
             QDomNodeList mlt_producers = frag.childNodes();
             for (int k = 0; k < mlt_producers.count(); k++) {
                 QDomElement mltprod = mlt_producers.at(k).toElement();
                 if (mltprod.tagName() != QLatin1String("producer")) {
                     continue;
                 }
                 if (mltprod.attribute(QStringLiteral("id")) == id) {
                     if (!folder.isEmpty()) {
                         // We have found our producer, set folder info
                         QDomElement property = m_doc.createElement(QStringLiteral("property"));
                         property.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:folderid"));
                         QDomText val_node = m_doc.createTextNode(folder);
                         property.appendChild(val_node);
                         mltprod.appendChild(property);
                     }
                     break;
                 }
             }
         }
 
         // Make sure all slowmotion producers have a master clip
         for (int i = 0; i < slowmotionIds.count(); i++) {
             const QString &slo = slowmotionIds.at(i);
             if (!ids.contains(slo)) {
                 // rebuild producer from Kdenlive's old xml format
                 for (int j = 0; j < kdenlive_producers.count(); j++) {
                     QDomElement prod = kdenlive_producers.at(j).toElement();
                     QString id = prod.attribute(QStringLiteral("id"));
                     if (id == slo) {
                         // We found the kdenlive_producer, build MLT producer
                         QDomElement original = m_doc.createElement(QStringLiteral("producer"));
                         original.setAttribute(QStringLiteral("in"), 0);
                         original.setAttribute(QStringLiteral("out"), prod.attribute(QStringLiteral("duration")).toInt() - 1);
                         original.setAttribute(QStringLiteral("id"), id);
                         QDomElement property = m_doc.createElement(QStringLiteral("property"));
                         property.setAttribute(QStringLiteral("name"), QStringLiteral("resource"));
                         QDomText val_node = m_doc.createTextNode(prod.attribute(QStringLiteral("resource")));
                         property.appendChild(val_node);
                         original.appendChild(property);
                         QDomElement prop2 = m_doc.createElement(QStringLiteral("property"));
                         prop2.setAttribute(QStringLiteral("name"), QStringLiteral("mlt_service"));
                         QDomText val2 = m_doc.createTextNode(QStringLiteral("avformat"));
                         prop2.appendChild(val2);
                         original.appendChild(prop2);
                         QDomElement prop3 = m_doc.createElement(QStringLiteral("property"));
                         prop3.setAttribute(QStringLiteral("name"), QStringLiteral("length"));
                         QDomText val3 = m_doc.createTextNode(prod.attribute(QStringLiteral("duration")));
                         prop3.appendChild(val3);
                         original.appendChild(prop3);
                         QDomElement entry = m_doc.createElement(QStringLiteral("entry"));
                         entry.setAttribute(QStringLiteral("in"), original.attribute(QStringLiteral("in")));
                         entry.setAttribute(QStringLiteral("out"), original.attribute(QStringLiteral("out")));
                         entry.setAttribute(QStringLiteral("producer"), id);
                         main_playlist.appendChild(entry);
                         frag.appendChild(original);
                         ids << slo;
                         break;
                     }
                 }
             }
         }
         frag.appendChild(main_playlist);
         mlt.insertBefore(frag, firstProd);
     }
 
     if (version < 0.91) {
         // Migrate track properties
         QDomNode mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
         QDomNodeList old_tracks = m_doc.elementsByTagName(QStringLiteral("trackinfo"));
         QDomNodeList tracks = m_doc.elementsByTagName(QStringLiteral("track"));
         QDomNodeList playlists = m_doc.elementsByTagName(QStringLiteral("playlist"));
         for (int i = 0; i < old_tracks.count(); i++) {
             QString playlistName = tracks.at(i + 1).toElement().attribute(QStringLiteral("producer"));
             // find playlist for track
             QDomElement trackPlaylist;
             for (int j = 0; j < playlists.count(); j++) {
                 if (playlists.at(j).toElement().attribute(QStringLiteral("id")) == playlistName) {
                     trackPlaylist = playlists.at(j).toElement();
                     break;
                 }
             }
             if (!trackPlaylist.isNull()) {
                 QDomElement kdenliveTrack = old_tracks.at(i).toElement();
                 if (kdenliveTrack.attribute(QStringLiteral("type")) == QLatin1String("audio")) {
                     Xml::setXmlProperty(trackPlaylist, QStringLiteral("kdenlive:audio_track"), QStringLiteral("1"));
                 }
                 if (kdenliveTrack.attribute(QStringLiteral("locked")) == QLatin1String("1")) {
                     Xml::setXmlProperty(trackPlaylist, QStringLiteral("kdenlive:locked_track"), QStringLiteral("1"));
                 }
                 Xml::setXmlProperty(trackPlaylist, QStringLiteral("kdenlive:track_name"), kdenliveTrack.attribute(QStringLiteral("trackname")));
             }
         }
         // Find bin playlist
         playlists = m_doc.elementsByTagName(QStringLiteral("playlist"));
         QDomElement playlist;
         for (int i = 0; i < playlists.count(); i++) {
             if (playlists.at(i).toElement().attribute(QStringLiteral("id")) == BinPlaylist::binPlaylistId) {
                 playlist = playlists.at(i).toElement();
                 break;
             }
         }
         if (playlist.isNull()) {
             for (int i = 0; i < playlists.count(); i++) {
                 if (playlists.at(i).toElement().attribute(QStringLiteral("id")) == QLatin1String("main bin")) {
                     playlist = playlists.at(i).toElement();
                     playlist.setAttribute("id", BinPlaylist::binPlaylistId);
                     break;
                 }
             }
         }
         if (playlist.isNull()) {
             KMessageBox::error(QApplication::activeWindow(), i18n("Cannot recover this project file"));
             return false;
         }
         // Migrate document notes
         QDomNodeList notesList = m_doc.elementsByTagName(QStringLiteral("documentnotes"));
         if (!notesList.isEmpty()) {
             QDomElement notes_elem = notesList.at(0).toElement();
             QString notes = notes_elem.firstChild().nodeValue();
             Xml::setXmlProperty(playlist, QStringLiteral("kdenlive:documentnotes"), notes);
         }
         // Migrate clip groups
         QDomNodeList groupElement = m_doc.elementsByTagName(QStringLiteral("groups"));
         if (!groupElement.isEmpty()) {
             QDomElement groups = groupElement.at(0).toElement();
             QDomDocument d2;
             d2.importNode(groups, true);
             Xml::setXmlProperty(playlist, QStringLiteral("kdenlive:clipgroups"), d2.toString());
         }
         // Migrate custom effects
         QDomNodeList effectsElement = m_doc.elementsByTagName(QStringLiteral("customeffects"));
         if (!effectsElement.isEmpty()) {
             QDomElement effects = effectsElement.at(0).toElement();
             QDomDocument d2;
             d2.importNode(effects, true);
             Xml::setXmlProperty(playlist, QStringLiteral("kdenlive:customeffects"), d2.toString());
         }
         Xml::setXmlProperty(playlist, QStringLiteral("kdenlive:docproperties.version"), QString::number(currentVersion));
         if (!infoXml.isNull()) {
             Xml::setXmlProperty(playlist, QStringLiteral("kdenlive:docproperties.projectfolder"), infoXml.attribute(QStringLiteral("projectfolder")));
         }
 
         // Remove deprecated Kdenlive extra info from xml doc before sending it to MLT
         QDomElement docXml = mlt.firstChildElement(QStringLiteral("kdenlivedoc"));
         if (!docXml.isNull()) {
             mlt.removeChild(docXml);
         }
     }
 
     if (version < 0.92) {
         // Luma transition used for wipe is deprecated, we now use a composite, convert
         QDomNodeList transitionList = m_doc.elementsByTagName(QStringLiteral("transition"));
         QDomElement trans;
         for (int i = 0; i < transitionList.count(); i++) {
             trans = transitionList.at(i).toElement();
             QString id = Xml::getXmlProperty(trans, QStringLiteral("kdenlive_id"));
             if (id == QLatin1String("luma")) {
                 Xml::setXmlProperty(trans, QStringLiteral("kdenlive_id"), QStringLiteral("wipe"));
                 Xml::setXmlProperty(trans, QStringLiteral("mlt_service"), QStringLiteral("composite"));
                 bool reverse = Xml::getXmlProperty(trans, QStringLiteral("reverse")).toInt() != 0;
                 Xml::setXmlProperty(trans, QStringLiteral("luma_invert"), Xml::getXmlProperty(trans, QStringLiteral("invert")));
                 Xml::setXmlProperty(trans, QStringLiteral("luma"), Xml::getXmlProperty(trans, QStringLiteral("resource")));
                 Xml::removeXmlProperty(trans, QStringLiteral("invert"));
                 Xml::removeXmlProperty(trans, QStringLiteral("reverse"));
                 Xml::removeXmlProperty(trans, QStringLiteral("resource"));
                 if (reverse) {
                     Xml::setXmlProperty(trans, QStringLiteral("geometry"), QStringLiteral("0%/0%:100%x100%:100;-1=0%/0%:100%x100%:0"));
                 } else {
                     Xml::setXmlProperty(trans, QStringLiteral("geometry"), QStringLiteral("0%/0%:100%x100%:0;-1=0%/0%:100%x100%:100"));
                 }
                 Xml::setXmlProperty(trans, QStringLiteral("aligned"), QStringLiteral("0"));
                 Xml::setXmlProperty(trans, QStringLiteral("fill"), QStringLiteral("1"));
             }
         }
     }
 
     if (version < 0.93) {
         // convert old keyframe filters to animated
         // these filters were "animated" by adding several instance of the filter, each one having a start and end tag.
         // We convert by parsing the start and end tags vor values and adding all to the new animated parameter
         QMap<QString, QStringList> keyframeFilterToConvert;
         keyframeFilterToConvert.insert(QStringLiteral("volume"), QStringList() << QStringLiteral("gain") << QStringLiteral("end") << QStringLiteral("level"));
         keyframeFilterToConvert.insert(QStringLiteral("brightness"), QStringList()
                                                                          << QStringLiteral("start") << QStringLiteral("end") << QStringLiteral("level"));
 
         QDomNodeList entries = m_doc.elementsByTagName(QStringLiteral("entry"));
         for (int i = 0; i < entries.count(); i++) {
             QDomNode entry = entries.at(i);
             QDomNodeList effects = entry.toElement().elementsByTagName(QStringLiteral("filter"));
             QStringList parsedIds;
             for (int j = 0; j < effects.count(); j++) {
                 QDomElement eff = effects.at(j).toElement();
                 QString id = Xml::getXmlProperty(eff, QStringLiteral("kdenlive_id"));
                 if (keyframeFilterToConvert.contains(id) && !parsedIds.contains(id)) {
                     parsedIds << id;
                     QMap<int, double> values;
                     QStringList conversionParams = keyframeFilterToConvert.value(id);
                     int offset = eff.attribute(QStringLiteral("in")).toInt();
                     int out = eff.attribute(QStringLiteral("out")).toInt();
                     convertKeyframeEffect_093(eff, conversionParams, values, offset);
                     Xml::removeXmlProperty(eff, conversionParams.at(0));
                     Xml::removeXmlProperty(eff, conversionParams.at(1));
                     for (int k = j + 1; k < effects.count(); k++) {
                         QDomElement subEffect = effects.at(k).toElement();
                         QString subId = Xml::getXmlProperty(subEffect, QStringLiteral("kdenlive_id"));
                         if (subId == id) {
                             convertKeyframeEffect_093(subEffect, conversionParams, values, offset);
                             out = subEffect.attribute(QStringLiteral("out")).toInt();
                             entry.removeChild(subEffect);
                             k--;
                         }
                     }
                     QStringList parsedValues;
                     QLocale locale; // Used for conversion of pre-1.0 version → OK
                     locale.setNumberOptions(QLocale::OmitGroupSeparator);
                     QMapIterator<int, double> l(values);
                     if (id == QLatin1String("volume")) {
                         // convert old volume range (0-300) to new dB values (-60-60)
                         while (l.hasNext()) {
                             l.next();
                             double v = l.value();
                             if (v <= 0) {
                                 v = -60;
                             } else {
                                 v = log10(v) * 20;
                             }
                             parsedValues << QString::number(l.key()) + QLatin1Char('=') + locale.toString(v);
                         }
                     } else {
                         while (l.hasNext()) {
                             l.next();
                             parsedValues << QString::number(l.key()) + QLatin1Char('=') + locale.toString(l.value());
                         }
                     }
                     Xml::setXmlProperty(eff, conversionParams.at(2), parsedValues.join(QLatin1Char(';')));
                     eff.setAttribute(QStringLiteral("out"), out);
                 }
             }
         }
     }
 
     if (version < 0.94) {
         // convert slowmotion effects/producers
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         int max = producers.count();
         QStringList slowmoIds;
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(i).toElement();
             QString id = prod.attribute(QStringLiteral("id"));
             if (id.startsWith(QLatin1String("slowmotion"))) {
                 QString service = Xml::getXmlProperty(prod, QStringLiteral("mlt_service"));
                 if (service == QLatin1String("framebuffer")) {
                     // convert to new timewarp producer
                     prod.setAttribute(QStringLiteral("id"), id + QStringLiteral(":1"));
                     slowmoIds << id;
                     Xml::setXmlProperty(prod, QStringLiteral("mlt_service"), QStringLiteral("timewarp"));
                     QString resource = Xml::getXmlProperty(prod, QStringLiteral("resource"));
                     Xml::setXmlProperty(prod, QStringLiteral("warp_resource"), resource.section(QLatin1Char('?'), 0, 0));
                     Xml::setXmlProperty(prod, QStringLiteral("warp_speed"), resource.section(QLatin1Char('?'), 1).section(QLatin1Char(':'), 0, 0));
                     Xml::setXmlProperty(prod, QStringLiteral("resource"),
                                         resource.section(QLatin1Char('?'), 1) + QLatin1Char(':') + resource.section(QLatin1Char('?'), 0, 0));
                     Xml::setXmlProperty(prod, QStringLiteral("audio_index"), QStringLiteral("-1"));
                 }
             }
         }
         if (!slowmoIds.isEmpty()) {
             producers = m_doc.elementsByTagName(QStringLiteral("entry"));
             max = producers.count();
             for (int i = 0; i < max; ++i) {
                 QDomElement prod = producers.at(i).toElement();
                 QString entryId = prod.attribute(QStringLiteral("producer"));
                 if (slowmoIds.contains(entryId)) {
                     prod.setAttribute(QStringLiteral("producer"), entryId + QStringLiteral(":1"));
                 }
             }
         }
         // qCDebug(KDENLIVE_LOG)<<"------------------------\n"<<m_doc.toString();
     }
     if (version < 0.95) {
         // convert slowmotion effects/producers
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         int max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(i).toElement();
             if (prod.isNull()) {
                 continue;
             }
             QString id = prod.attribute(QStringLiteral("id")).section(QLatin1Char('_'), 0, 0);
             if (id == QLatin1String("black")) {
                 Xml::setXmlProperty(prod, QStringLiteral("set.test_audio"), QStringLiteral("0"));
                 break;
             }
         }
     }
     if (version < 0.97) {
         // move guides to new JSON format
         QDomElement main_playlist = m_doc.documentElement().firstChildElement(QStringLiteral("playlist"));
         QDomNodeList props = main_playlist.elementsByTagName(QStringLiteral("property"));
         QJsonArray guidesList;
         QMap<QString, QJsonArray> markersList;
         QLocale locale; // Used for conversion of pre-1.0 version → OK
         for (int i = 0; i < props.count(); ++i) {
             QDomNode n = props.at(i);
             QString prop = n.toElement().attribute(QStringLiteral("name"));
             if (prop.startsWith(QLatin1String("kdenlive:guide."))) {
                 // Process guide
                 double guidePos = locale.toDouble(prop.section(QLatin1Char('.'), 1));
                 QJsonObject currentGuide;
                 currentGuide.insert(QStringLiteral("pos"), QJsonValue(GenTime(guidePos).frames(pCore->getCurrentFps())));
                 currentGuide.insert(QStringLiteral("comment"), QJsonValue(n.firstChild().nodeValue()));
                 currentGuide.insert(QStringLiteral("type"), QJsonValue(0));
                 // Clear entry in old format
                 n.toElement().setAttribute(QStringLiteral("name"), QStringLiteral("_"));
                 guidesList.push_back(currentGuide);
             } else if (prop.startsWith(QLatin1String("kdenlive:marker."))) {
                 // Process marker
                 double markerPos = locale.toDouble(prop.section(QLatin1Char(':'), -1));
                 QString markerBinClip = prop.section(QLatin1Char('.'), 1).section(QLatin1Char(':'), 0, 0);
                 QString markerData = n.firstChild().nodeValue();
                 int markerType = markerData.section(QLatin1Char(':'), 0, 0).toInt();
                 QString markerComment = markerData.section(QLatin1Char(':'), 1);
                 QJsonObject currentMarker;
                 currentMarker.insert(QStringLiteral("pos"), QJsonValue(GenTime(markerPos).frames(pCore->getCurrentFps())));
                 currentMarker.insert(QStringLiteral("comment"), QJsonValue(markerComment));
                 currentMarker.insert(QStringLiteral("type"), QJsonValue(markerType));
                 // Clear entry in old format
                 n.toElement().setAttribute(QStringLiteral("name"), QStringLiteral("_"));
                 if (markersList.contains(markerBinClip)) {
                     // we already have a marker list for this clip
                     QJsonArray markerList = markersList.value(markerBinClip);
                     markerList.push_back(currentMarker);
                     markersList.insert(markerBinClip, markerList);
                 } else {
                     QJsonArray markerList;
                     markerList.push_back(currentMarker);
                     markersList.insert(markerBinClip, markerList);
                 }
             }
         }
         if (!guidesList.isEmpty()) {
             QJsonDocument json(guidesList);
             Xml::setXmlProperty(main_playlist, QStringLiteral("kdenlive:docproperties.guides"), json.toJson());
         }
 
         // Update producers
         QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
         int max = producers.count();
         for (int i = 0; i < max; ++i) {
             QDomElement prod = producers.at(i).toElement();
             if (prod.isNull()) continue;
             // Move to new kdenlive:id format
             const QString id = prod.attribute(QStringLiteral("id")).section(QLatin1Char('_'), 0, 0);
             Xml::setXmlProperty(prod, QStringLiteral("kdenlive:id"), id);
             if (markersList.contains(id)) {
                 QJsonDocument json(markersList.value(id));
                 Xml::setXmlProperty(prod, QStringLiteral("kdenlive:markers"), json.toJson());
             }
 
             // Check image sequences with buggy begin frame number
             const QString service = Xml::getXmlProperty(prod, QStringLiteral("mlt_service"));
             if (service == QLatin1String("pixbuf") || service == QLatin1String("qimage")) {
                 QString resource = Xml::getXmlProperty(prod, QStringLiteral("resource"));
                 if (resource.contains(QStringLiteral("?begin:"))) {
                     resource.replace(QStringLiteral("?begin:"), QStringLiteral("?begin="));
                     Xml::setXmlProperty(prod, QStringLiteral("resource"), resource);
                 }
             }
         }
     }
     if (version < 0.98) {
         // rename main bin playlist, create extra tracks for old type AV clips, port groups to JSon
         QJsonArray newGroups;
         QDomNodeList playlists = m_doc.elementsByTagName(QStringLiteral("playlist"));
         QDomNodeList masterProducers = m_doc.elementsByTagName(QStringLiteral("producer"));
         QDomElement playlist;
         QDomNode mainplaylist;
         QDomNode mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
         QDomNode tractor = mlt.firstChildElement(QStringLiteral("tractor"));
         // Build start trackIndex
         QMap<QString, QString> trackIndex;
         QDomNodeList tracks = tractor.toElement().elementsByTagName(QStringLiteral("track"));
         for (int i = 0; i < tracks.count(); i++) {
             trackIndex.insert(QString::number(i), tracks.at(i).toElement().attribute(QStringLiteral("producer")));
         }
 
         int trackOffset = 0;
         // AV clips are not supported anymore. Check if we have some and add extra audio tracks if necessary
         // Update the main bin name as well to be xml compliant
         for (int i = 0; i < playlists.count(); i++) {
             if (playlists.at(i).toElement().attribute(QStringLiteral("id")) == QLatin1String("main bin") ||
                 playlists.at(i).toElement().attribute(QStringLiteral("id")) == QLatin1String("main_bin")) {
                 playlists.at(i).toElement().setAttribute(QStringLiteral("id"), BinPlaylist::binPlaylistId);
                 mainplaylist = playlists.at(i);
                 QString oldGroups = Xml::getXmlProperty(mainplaylist.toElement(), QStringLiteral("kdenlive:clipgroups"));
                 QDomDocument groupsDoc;
                 groupsDoc.setContent(oldGroups);
                 QDomNodeList groups = groupsDoc.elementsByTagName(QStringLiteral("group"));
                 for (int g = 0; g < groups.count(); g++) {
                     QDomNodeList elements = groups.at(g).childNodes();
                     QJsonArray array;
                     for (int h = 0; h < elements.count(); h++) {
                         QJsonObject item;
                         item.insert(QLatin1String("type"), QJsonValue(QStringLiteral("Leaf")));
                         item.insert(QLatin1String("leaf"), QJsonValue(QLatin1String("clip")));
                         QString pos = elements.at(h).toElement().attribute(QStringLiteral("position"));
                         QString track = trackIndex.value(elements.at(h).toElement().attribute(QStringLiteral("track")));
                         item.insert(QLatin1String("data"), QJsonValue(QString("%1:%2").arg(track, pos)));
                         array.push_back(item);
                     }
                     QJsonObject currentGroup;
                     currentGroup.insert(QLatin1String("type"), QJsonValue(QStringLiteral("Normal")));
                     currentGroup.insert(QLatin1String("children"), array);
                     newGroups.push_back(currentGroup);
                 }
             } else {
                 if (Xml::getXmlProperty(playlists.at(i).toElement(), QStringLiteral("kdenlive:audio_track")) == QLatin1String("1")) {
                     // Audio track, no need to process
                     continue;
                 }
                 const QString playlistName = playlists.at(i).toElement().attribute(QStringLiteral("id"));
                 QDomElement duplicate_playlist = m_doc.createElement(QStringLiteral("playlist"));
                 duplicate_playlist.setAttribute(QStringLiteral("id"), QString("%1_duplicate").arg(playlistName));
                 QDomElement pltype = m_doc.createElement(QStringLiteral("property"));
                 pltype.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:audio_track"));
                 pltype.setNodeValue(QStringLiteral("1"));
                 QDomText value1 = m_doc.createTextNode(QStringLiteral("1"));
                 pltype.appendChild(value1);
                 duplicate_playlist.appendChild(pltype);
                 QDomElement plname = m_doc.createElement(QStringLiteral("property"));
                 plname.setAttribute(QStringLiteral("name"), QStringLiteral("kdenlive:track_name"));
                 QDomText value = m_doc.createTextNode(i18n("extra audio"));
                 plname.appendChild(value);
                 duplicate_playlist.appendChild(plname);
                 QDomNodeList producers = playlists.at(i).childNodes();
                 bool duplicationRequested = false;
                 int pos = 0;
                 for (int j = 0; j < producers.count(); j++) {
                     if (producers.at(j).nodeName() == QLatin1String("blank")) {
                         // blank, duplicate
                         duplicate_playlist.appendChild(producers.at(j).cloneNode());
                         pos += producers.at(j).toElement().attribute(QStringLiteral("length")).toInt();
                     } else if (producers.at(j).nodeName() == QLatin1String("filter")) {
                         // effect, duplicate
                         duplicate_playlist.appendChild(producers.at(j).cloneNode());
                     } else if (producers.at(j).nodeName() != QLatin1String("entry")) {
                         // property node, pass
                         continue;
                     } else if (producers.at(j).toElement().attribute(QStringLiteral("producer")).endsWith(playlistName)) {
                         // This is an AV clip
                         // Check master properties
                         bool hasAudio = true;
                         bool hasVideo = true;
                         const QString currentId = producers.at(j).toElement().attribute(QStringLiteral("producer"));
                         int in = producers.at(j).toElement().attribute(QStringLiteral("in")).toInt();
                         int out = producers.at(j).toElement().attribute(QStringLiteral("out")).toInt();
                         for (int k = 0; k < masterProducers.count(); k++) {
                             if (masterProducers.at(k).toElement().attribute(QStringLiteral("id")) == currentId) {
                                 hasVideo = Xml::getXmlProperty(masterProducers.at(k).toElement(), QStringLiteral("video_index")) != QLatin1String("-1");
                                 hasAudio = Xml::getXmlProperty(masterProducers.at(k).toElement(), QStringLiteral("audio_index")) != QLatin1String("-1");
                                 break;
                             }
                         }
                         if (!hasAudio) {
                             // no duplication needed, replace with blank
                             QDomElement duplicate = m_doc.createElement(QStringLiteral("blank"));
                             duplicate.setAttribute(QStringLiteral("length"), QString::number(out - in + 1));
                             duplicate_playlist.appendChild(duplicate);
                             pos += out - in + 1;
                             continue;
                         }
                         QDomNode prod = producers.at(j).cloneNode();
                         Xml::setXmlProperty(prod.toElement(), QStringLiteral("set.test_video"), QStringLiteral("1"));
                         duplicate_playlist.appendChild(prod);
                         // Check if that is an audio clip on a video track
                         if (!hasVideo) {
                             // Audio clip on a video track, replace with blank and duplicate
                             producers.at(j).toElement().setTagName("blank");
                             producers.at(j).toElement().setAttribute("length", QString::number(out - in + 1));
                         } else {
                             // group newly created AVSplit group
                             // We temporarily store track with their playlist name since track index will change
                             // as we insert the duplicate tracks
                             QJsonArray array;
                             QJsonObject items;
                             items.insert(QLatin1String("type"), QJsonValue(QStringLiteral("Leaf")));
                             items.insert(QLatin1String("leaf"), QJsonValue(QLatin1String("clip")));
                             items.insert(QLatin1String("data"), QJsonValue(QString("%1:%2").arg(playlistName).arg(pos)));
                             array.push_back(items);
                             QJsonObject itemb;
                             itemb.insert(QLatin1String("type"), QJsonValue(QStringLiteral("Leaf")));
                             itemb.insert(QLatin1String("leaf"), QJsonValue(QLatin1String("clip")));
                             itemb.insert(QLatin1String("data"), QJsonValue(QString("%1:%2").arg(duplicate_playlist.attribute(QStringLiteral("id"))).arg(pos)));
                             array.push_back(itemb);
                             QJsonObject currentGroup;
                             currentGroup.insert(QLatin1String("type"), QJsonValue(QStringLiteral("AVSplit")));
                             currentGroup.insert(QLatin1String("children"), array);
                             newGroups.push_back(currentGroup);
                         }
                         duplicationRequested = true;
                         pos += out - in + 1;
                     } else {
                         // no duplication needed, replace with blank
                         QDomElement duplicate = m_doc.createElement(QStringLiteral("blank"));
                         int in = producers.at(j).toElement().attribute(QStringLiteral("in")).toInt();
                         int out = producers.at(j).toElement().attribute(QStringLiteral("out")).toInt();
                         duplicate.setAttribute(QStringLiteral("length"), QString::number(out - in + 1));
                         duplicate_playlist.appendChild(duplicate);
                         pos += out - in + 1;
                     }
                 }
                 if (duplicationRequested) {
                     // Plant the playlist at the end
                     mlt.insertBefore(duplicate_playlist, tractor);
                     QDomNode lastTrack = tractor.firstChildElement(QStringLiteral("track"));
                     QDomElement duplicate = m_doc.createElement(QStringLiteral("track"));
                     duplicate.setAttribute(QStringLiteral("producer"), QString("%1_duplicate").arg(playlistName));
                     duplicate.setAttribute(QStringLiteral("hide"), QStringLiteral("video"));
                     tractor.insertAfter(duplicate, lastTrack);
                     trackOffset++;
                 }
             }
         }
         if (trackOffset > 0) {
             // Some tracks were added, adjust compositions
             QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
             int max = transitions.count();
             for (int i = 0; i < max; ++i) {
                 QDomElement t = transitions.at(i).toElement();
                 if (Xml::getXmlProperty(t, QStringLiteral("internal_added")).toInt() > 0) {
                     // internal transitions will be rebuilt, no need to correct
                     continue;
                 }
                 int a_track = Xml::getXmlProperty(t, QStringLiteral("a_track")).toInt();
                 int b_track = Xml::getXmlProperty(t, QStringLiteral("b_track")).toInt();
                 if (a_track > 0) {
                     Xml::setXmlProperty(t, QStringLiteral("a_track"), QString::number(a_track + trackOffset));
                 }
                 if (b_track > 0) {
                     Xml::setXmlProperty(t, QStringLiteral("b_track"), QString::number(b_track + trackOffset));
                 }
             }
         }
         // Process groups data
         QJsonDocument json(newGroups);
         QString groupsData = QString(json.toJson());
         tracks = tractor.toElement().elementsByTagName(QStringLiteral("track"));
         for (int i = 0; i < tracks.count(); i++) {
             // Replace track names with their current index in our view
             const QString trackId = QString("%1:").arg(tracks.at(i).toElement().attribute(QStringLiteral("producer")));
             groupsData.replace(trackId, QString("%1:").arg(i - 1));
         }
         Xml::setXmlProperty(mainplaylist.toElement(), QStringLiteral("kdenlive:docproperties.groups"), groupsData);
     }
     if (version < 0.99) {
         // rename main bin playlist, create extra tracks for old type AV clips, port groups to JSon
         QDomNodeList masterProducers = m_doc.elementsByTagName(QStringLiteral("producer"));
         for (int i = 0; i < masterProducers.count(); i++) {
             QMap<QString, QString> map = Xml::getXmlPropertyByWildcard(masterProducers.at(i).toElement(), QLatin1String("kdenlive:clipzone."));
             if (map.isEmpty()) {
                 continue;
             }
             QJsonArray list;
             QMapIterator<QString, QString> j(map);
             while (j.hasNext()) {
                 j.next();
                 Xml::removeXmlProperty(masterProducers.at(i).toElement(), j.key());
                 QJsonObject currentZone;
                 currentZone.insert(QLatin1String("name"), QJsonValue(j.key().section(QLatin1Char('.'), 1)));
                 if (!j.value().contains(QLatin1Char(';'))) {
                     // invalid zone
                     continue;
                 }
                 currentZone.insert(QLatin1String("in"), QJsonValue(j.value().section(QLatin1Char(';'), 0, 0).toInt()));
                 currentZone.insert(QLatin1String("out"), QJsonValue(j.value().section(QLatin1Char(';'), 1, 1).toInt()));
                 list.push_back(currentZone);
             }
             QJsonDocument json(list);
             Xml::setXmlProperty(masterProducers.at(i).toElement(), QStringLiteral("kdenlive:clipzones"), QString(json.toJson()));
         }
     }
 
     // Doc 1.01: Kdenlive 21.08.0
     if (version < 1.01) {
         // Upgrade wipe composition replace old mlt geometry with mlt rect
         // Upgrade affine effect and transition (geometry parameter renamed to rect)
         // Warn about deprecated automask
         // Some tracks were added, adjust compositions
         QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
         int max = transitions.count();
         for (int i = 0; i < max; ++i) {
             QDomElement t = transitions.at(i).toElement();
             if (Xml::getXmlProperty(t, QStringLiteral("kdenlive_id")) == QLatin1String("wipe")) {
                 QString animation = Xml::getXmlProperty(t, QStringLiteral("geometry"));
                 if (animation == QLatin1String("0%/0%:100%x100%:100;-1=0%/0%:100%x100%:0")) {
                     Xml::setXmlProperty(t, QStringLiteral("geometry"), QStringLiteral("0=0% 0% 100% 100% 100%;-1=0% 0% 100% 100% 0%"));
                 } else if (animation == QLatin1String("0%/0%:100%x100%:0;-1=0%/0%:100%x100%:100")) {
                     Xml::setXmlProperty(t, QStringLiteral("geometry"), QStringLiteral("0=0% 0% 100% 100% 0%;-1=0% 0% 100% 100% 100%"));
                 }
             } else if (Xml::getXmlProperty(t, QStringLiteral("kdenlive_id")) == QLatin1String("affine")) {
                 Xml::renameXmlProperty(t, QStringLiteral("geometry"), QStringLiteral("rect"));
             }
         }
         QDomNodeList effects = m_doc.elementsByTagName(QStringLiteral("filter"));
         max = effects.count();
         for (int i = 0; i < max; ++i) {
             QDomElement t = effects.at(i).toElement();
             if (Xml::getXmlProperty(t, QStringLiteral("kdenlive_id")) == QLatin1String("pan_zoom")) {
                 Xml::renameXmlProperty(t, QStringLiteral("transition.geometry"), QStringLiteral("transition.rect"));
             }
         }
     }
 
     // Doc 1.02: Kdenlive 21.08.1
     if (version < 1.02) {
         // Custom affine effects: replace old mlt geometry with mlt rect
         QDomNodeList effects = m_doc.elementsByTagName(QStringLiteral("filter"));
         int max = effects.count();
         QStringList changedEffects;
         for (int i = 0; i < max; ++i) {
             QDomElement t = effects.at(i).toElement();
             QString kdenliveId = Xml::getXmlProperty(t, QStringLiteral("kdenlive_id"));
             if (Xml::getXmlProperty(t, QStringLiteral("mlt_service")) == QLatin1String("affine") && kdenliveId != QLatin1String("pan_zoom")) {
                 QDomElement effect = EffectsRepository::get()->getXml(kdenliveId);
 
                 // check whether the effect already uses mlt rect
                 if (!Xml::hasXmlProperty(t, QStringLiteral("transition.rect"))) {
                     QString newId = kdenliveId.append(" mlt7");
 
                     Xml::renameXmlProperty(t, QStringLiteral("transition.geometry"), QStringLiteral("transition.rect"));
                     Xml::setXmlProperty(t, QStringLiteral("kdenlive_id"), newId);
 
                     QDir dir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QStringLiteral("/effects/"));
 
                     if (!dir.exists(newId + QStringLiteral(".xml"))) {
                         // update the custom effect xml too (create a new fixed xml with "(mlt7)" appendix)
                         QDomDocument doc;
                         doc.appendChild(doc.importNode(effect, true));
 
                         if (!dir.exists()) {
                             dir.mkpath(QStringLiteral("."));
                         }
                         QFile file(dir.absoluteFilePath(newId + QStringLiteral(".xml")));
 
                         QDomElement root = doc.documentElement();
                         QDomElement nodelist = root.firstChildElement("name");
                         QDomElement newNodeTag = doc.createElement(QString("name"));
                         QDomText text = doc.createTextNode(newId);
                         newNodeTag.appendChild(text);
                         root.replaceChild(newNodeTag, nodelist);
 
                         // QDomElement e = doc.documentElement();
                         // e.setAttribute("id", newId);
 
                         auto params = doc.elementsByTagName(QStringLiteral("parameter"));
                         for (int j = 0; j < params.count(); j++) {
                             QString paramName = params.at(j).attributes().namedItem("name").nodeValue();
                             if (paramName == QStringLiteral("transition.geometry")) {
                                 QDomElement e = params.at(j).toElement();
                                 e.setAttribute("name", QStringLiteral("transition.rect"));
                             }
                         }
 
                         if (file.open(QFile::WriteOnly | QFile::Truncate)) {
                             QTextStream out(&file);
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
                             out.setCodec("UTF-8");
 #endif
                             out << doc.toString();
                         }
                         file.close();
 
                         changedEffects << dir.absoluteFilePath(newId + QStringLiteral(".xml"));
                     }
                 }
             }
         }
         if (!changedEffects.isEmpty()) {
             KMessageBox::informationList(nullptr, "changedEffects", changedEffects);
             pCore->window()->slotReloadEffects(changedEffects);
         }
     }
     // Doc 1.03: Kdenlive 21.08.2
     if (version < 1.03) {
         // Fades: replace deprecated syntax (using start/end properties and alpha=-1) with level and alpha animated properties
         QDomNodeList effects = m_doc.elementsByTagName(QStringLiteral("filter"));
         int max = effects.count();
         QStringList changedEffects;
         for (int i = 0; i < max; ++i) {
             QDomElement t = effects.at(i).toElement();
             QString kdenliveId = Xml::getXmlProperty(t, QStringLiteral("kdenlive_id"));
             if (kdenliveId.startsWith(QLatin1String("fade_"))) {
                 bool fadeIn = kdenliveId.startsWith(QLatin1String("fade_from_"));
                 bool isAlpha = Xml::getXmlProperty(t, QStringLiteral("alpha")).toInt() == -1;
                 // Clear unused properties
                 Xml::removeXmlProperty(t, QStringLiteral("start"));
                 Xml::removeXmlProperty(t, QStringLiteral("end"));
                 Xml::removeXmlProperty(t, QStringLiteral("alpha"));
                 QString params;
                 if (fadeIn) {
                     params = QStringLiteral("0=0;-1=1");
                 } else {
                     params = QStringLiteral("0=1;-1=0");
                 }
                 if (isAlpha) {
                     Xml::setXmlProperty(t, QStringLiteral("level"), QStringLiteral("1"));
                     Xml::setXmlProperty(t, QStringLiteral("alpha"), params);
                 } else {
                     Xml::setXmlProperty(t, QStringLiteral("level"), params);
                     Xml::setXmlProperty(t, QStringLiteral("alpha"), QStringLiteral("1"));
                 }
             }
         }
     }
     // Doc 1.03: Kdenlive 21.08.2
     if (version < 1.04) {
         // Slide: replace buggy composite transition with affine
         QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
         int max = transitions.count();
         QStringList changedEffects;
         for (int i = 0; i < max; ++i) {
             QDomElement t = transitions.at(i).toElement();
             QString kdenliveId = Xml::getXmlProperty(t, QStringLiteral("kdenlive_id"));
             if (kdenliveId == QLatin1String("slide")) {
                 // Switch to affine and rect instead of composite and geometry
                 Xml::renameXmlProperty(t, QStringLiteral("geometry"), QStringLiteral("rect"));
                 Xml::setXmlProperty(t, QStringLiteral("mlt_service"), QStringLiteral("affine"));
             }
         }
     }
     // Doc 1.1: Kdenlive 21.12.0
     /*if (version < 1.1) {
         // OpenCV tracker: Fix for older syntax where filter had in/out defined
         QDomNodeList effects = m_doc.elementsByTagName(QStringLiteral("filter"));
         int max = effects.count();
         QStringList changedEffects;
         for (int i = 0; i < max; ++i) {
             QDomElement t = effects.at(i).toElement();
             QString kdenliveId = Xml::getXmlProperty(t, QStringLiteral("kdenlive_id"));
             if (kdenliveId == QLatin1String("opencv.tracker") && t.hasAttribute(QLatin1String("in"))) {
                 QString filterIn = t.attribute(QLatin1String("in"));
                 int inPoint;
                 Mlt::Properties props;
                 props.set("_profile", pCore->getProjectProfile()->get_profile(), 0);
                 if (!filterIn.contains(QLatin1Char(':'))) {
                     inPoint = filterIn.toInt();
                 } else {
                     // Convert from hh:mm:ss.mmm to frames
                     inPoint = props.time_to_frames(filterIn.toUtf8().constData());
                 }
                 qDebug() << "=== FOUND TRACKER WITH IN POINT: " << inPoint;
                 QString animation = Xml::getXmlProperty(t, QStringLiteral("results"));
                 props.set("key", animation.toUtf8().constData());
                 // This is a fake query to force the animation to be parsed
                 (void)props.anim_get_double("key", 0, -1);
                 Mlt::Animation anim = props.get_animation("key");
                 anim.shift_frames(inPoint);
                 Xml::setXmlProperty(t, QStringLiteral("results"), qstrdup(anim.serialize_cut()));
                 t.removeAttribute("in");
                 t.removeAttribute("out");
             }
         }
     }*/
 
     m_modified = true;
     return true;
 }
 
 auto DocumentValidator::upgradeTo100(const QLocale &documentLocale) -> QString
 {
 
     bool modified = false;
     auto decimalPoint = documentLocale.decimalPoint();
 
     if (decimalPoint != '.') {
         qDebug() << "Decimal point is NOT OK and needs fixing. Converting to . from " << decimalPoint;
 
         auto fixTimecode = [decimalPoint](QString &value) {
             static const QRegularExpression reTimecode(R"((\d+:\d+:\d+))" + QString(decimalPoint) + "(\\d+)");
             static const QRegularExpression reValue("(=\\d+)" + QString(decimalPoint) + "(\\d+)");
             value.replace(reTimecode, QString::fromLatin1("\\1.\\2")).replace(reValue, "\\1.\\2");
         };
 
         // List of properties which always need to be fixed
         // Example: <property name="aspect_ratio">1,00247</property>
         QList<QString> generalPropertiesToFix = {
             "warp_speed",
             "length",
             "aspect_ratio",
             "kdenlive:clipanalysis.motion_vector_list",
             "kdenlive:original.meta.attr.com.apple.quicktime.rating.user.markup",
         };
 
         // Fix properties just by name, anywhere in the file
         auto props = m_doc.elementsByTagName(QStringLiteral("property"));
         qDebug() << "Found " << props.count() << " properties.";
         for (int i = 0; i < props.count(); i++) {
             QString propName = props.at(i).attributes().namedItem("name").nodeValue();
             QDomElement element = props.at(i).toElement();
             if (element.childNodes().size() == 1) {
                 QDomText text = element.firstChild().toText();
                 if (!text.isNull()) {
 
                     bool autoReplace = propName.endsWith("frame_rate") || propName.endsWith("aspect_ratio") || (generalPropertiesToFix.indexOf(propName) >= 0);
 
                     QString originalValue = text.nodeValue();
                     QString value(originalValue);
                     if (propName == "resource") {
                         // Fix entries like <property name="resource">0,500000:/path/to/video
                         value.replace(QRegularExpression("^(\\d+)" + QString(decimalPoint) + "(\\d+:)"), "\\1.\\2");
                     } else if (autoReplace) {
                         // Just replace decimal point
                         value.replace(decimalPoint, QStringLiteral("."));
                     } else {
                         fixTimecode(value);
                     }
 
                     if (originalValue != value) {
                         text.setNodeValue(value);
                         qDebug() << "Decimal point: Converted " << propName << " from " << originalValue << " to " << value;
                     }
                 }
             }
         }
 
         QList<QString> filterPropertiesToFix = {
             "version",
         };
 
         // Fix filter specific properties.
         // The first entry is the filter (MLT service) name, the second entry a list of properties to fix.
         // Warning: This list may not be complete!
         QMap<QString, QList<QString>> servicePropertiesToFix;
         servicePropertiesToFix.insert("panner", {"start"});
         servicePropertiesToFix.insert("volume", {"level"});
         servicePropertiesToFix.insert("window", {"gain"});
         servicePropertiesToFix.insert("lumaliftgaingamma", {"lift", "gain", "gamma"});
 
         // Fix filter properties.
         // Note that effect properties will be fixed when the effect is loaded
         // as there is more information available about the parameter type.
         auto filters = m_doc.elementsByTagName(QStringLiteral("filter"));
         qDebug() << "Found" << filters.count() << "filters.";
         for (int i = 0; i < filters.count(); i++) {
             QDomElement filter = filters.at(i).toElement();
             QString mltService = Xml::getXmlProperty(filter, "mlt_service");
 
             QList<QString> propertiesToFix;
             propertiesToFix.append(filterPropertiesToFix);
 
             if (servicePropertiesToFix.contains(mltService)) {
                 propertiesToFix.append(servicePropertiesToFix.value(mltService));
             }
 
             qDebug() << "Decimal point: Found MLT service" << mltService << "and will fix " << propertiesToFix;
 
             for (const QString &property : propertiesToFix) {
                 QString value = Xml::getXmlProperty(filter, property);
                 if (!value.isEmpty()) {
                     QString newValue = QString(value).replace(decimalPoint, ".");
                     if (value != newValue) {
                         Xml::setXmlProperty(filter, property, newValue);
                         qDebug() << "Decimal point: Converted service property" << mltService << "from " << value << "to" << newValue;
                     }
                 }
             }
         }
 
         auto fixAttribute = [fixTimecode](QDomElement &el, const QString &attributeName) {
             if (el.hasAttribute(attributeName)) {
                 QString oldValue = el.attribute(attributeName, "");
                 QString newValue(oldValue);
                 fixTimecode(newValue);
                 if (oldValue != newValue) {
                     el.setAttribute(attributeName, newValue);
                     qDebug() << "Decimal point: Converted" << el.nodeName() << attributeName << "from" << oldValue << "to" << newValue;
                 }
             }
         };
 
         // Fix attributes
         QList<QString> tagsToFix = {"producer", "filter", "tractor", "entry", "transition", "blank"};
         for (const QString &tag : tagsToFix) {
             QDomNodeList elements = m_doc.elementsByTagName(tag);
             for (int i = 0; i < elements.count(); i++) {
                 QDomElement el = elements.at(i).toElement();
                 fixAttribute(el, "in");
                 fixAttribute(el, "out");
                 fixAttribute(el, "length");
             }
         }
 
         auto mltElements = m_doc.elementsByTagName("mlt");
         for (int i = 0; i < mltElements.count(); i++) {
             QDomElement mltElement = mltElements.at(i).toElement();
             if (mltElement.hasAttribute("LC_NUMERIC")) {
                 qDebug() << "Removing LC_NUMERIC=" << mltElement.attribute("LC_NUMERIC") << "from root node";
                 mltElement.removeAttribute("LC_NUMERIC");
             }
         }
 
         modified = true;
         qDebug() << "Decimal point: New XML: " << m_doc.toString(-1);
 
     } else {
         qDebug() << "Decimal point is OK";
     }
 
     m_modified |= modified;
     return modified ? decimalPoint : QString();
 }
 
 void DocumentValidator::convertKeyframeEffect_093(const QDomElement &effect, const QStringList &params, QMap<int, double> &values, int offset)
 {
     QLocale locale; // Used for upgrading to pre-1.0 version → OK
     int in = effect.attribute(QStringLiteral("in")).toInt() - offset;
     values.insert(in, locale.toDouble(Xml::getXmlProperty(effect, params.at(0))));
     QString endValue = Xml::getXmlProperty(effect, params.at(1));
     if (!endValue.isEmpty()) {
         int out = effect.attribute(QStringLiteral("out")).toInt() - offset;
         values.insert(out, locale.toDouble(endValue));
     }
 }
 
 void DocumentValidator::updateProducerInfo(const QDomElement &prod, const QDomElement &source)
 {
     QString pxy = source.attribute(QStringLiteral("proxy"));
     if (pxy.length() > 1) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:proxy"), pxy);
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:originalurl"), source.attribute(QStringLiteral("resource")));
     }
     if (source.hasAttribute(QStringLiteral("file_hash"))) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:file_hash"), source.attribute(QStringLiteral("file_hash")));
     }
     if (source.hasAttribute(QStringLiteral("file_size"))) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:file_size"), source.attribute(QStringLiteral("file_size")));
     }
     if (source.hasAttribute(QStringLiteral("name"))) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:clipname"), source.attribute(QStringLiteral("name")));
     }
     if (source.hasAttribute(QStringLiteral("zone_out"))) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:zone_out"), source.attribute(QStringLiteral("zone_out")));
     }
     if (source.hasAttribute(QStringLiteral("zone_in"))) {
         Xml::setXmlProperty(prod, QStringLiteral("kdenlive:zone_in"), source.attribute(QStringLiteral("zone_in")));
     }
     if (source.hasAttribute(QStringLiteral("cutzones"))) {
         QString zoneData = source.attribute(QStringLiteral("cutzones"));
         const QStringList zoneList = zoneData.split(QLatin1Char(';'));
         int ct = 1;
         for (const QString &data : zoneList) {
             QString zoneName = data.section(QLatin1Char('-'), 2);
             if (zoneName.isEmpty()) {
                 zoneName = i18n("Zone %1", ct++);
             }
             Xml::setXmlProperty(prod, QStringLiteral("kdenlive:clipzone.") + zoneName,
                                 data.section(QLatin1Char('-'), 0, 0) + QLatin1Char(';') + data.section(QLatin1Char('-'), 1, 1));
         }
     }
 }
 
 QStringList DocumentValidator::getInfoFromEffectName(const QString &oldName)
 {
     QStringList info;
     // Returns a list to convert old Kdenlive ladspa effects
     if (oldName == QLatin1String("pitch_shift")) {
         info << QStringLiteral("ladspa.1433");
         info << QStringLiteral("pitch=0");
     } else if (oldName == QLatin1String("vinyl")) {
         info << QStringLiteral("ladspa.1905");
         info << QStringLiteral("year=0");
         info << QStringLiteral("rpm=1");
         info << QStringLiteral("warping=2");
         info << QStringLiteral("crackle=3");
         info << QStringLiteral("wear=4");
     } else if (oldName == QLatin1String("room_reverb")) {
         info << QStringLiteral("ladspa.1216");
         info << QStringLiteral("room=0");
         info << QStringLiteral("delay=1");
         info << QStringLiteral("damp=2");
     } else if (oldName == QLatin1String("reverb")) {
         info << QStringLiteral("ladspa.1423");
         info << QStringLiteral("room=0");
         info << QStringLiteral("damp=1");
     } else if (oldName == QLatin1String("rate_scale")) {
         info << QStringLiteral("ladspa.1417");
         info << QStringLiteral("rate=0");
     } else if (oldName == QLatin1String("pitch_scale")) {
         info << QStringLiteral("ladspa.1193");
         info << QStringLiteral("coef=0");
     } else if (oldName == QLatin1String("phaser")) {
         info << QStringLiteral("ladspa.1217");
         info << QStringLiteral("rate=0");
         info << QStringLiteral("depth=1");
         info << QStringLiteral("feedback=2");
         info << QStringLiteral("spread=3");
     } else if (oldName == QLatin1String("limiter")) {
         info << QStringLiteral("ladspa.1913");
         info << QStringLiteral("gain=0");
         info << QStringLiteral("limit=1");
         info << QStringLiteral("release=2");
     } else if (oldName == QLatin1String("equalizer_15")) {
         info << QStringLiteral("ladspa.1197");
         info << QStringLiteral("1=0");
         info << QStringLiteral("2=1");
         info << QStringLiteral("3=2");
         info << QStringLiteral("4=3");
         info << QStringLiteral("5=4");
         info << QStringLiteral("6=5");
         info << QStringLiteral("7=6");
         info << QStringLiteral("8=7");
         info << QStringLiteral("9=8");
         info << QStringLiteral("10=9");
         info << QStringLiteral("11=10");
         info << QStringLiteral("12=11");
         info << QStringLiteral("13=12");
         info << QStringLiteral("14=13");
         info << QStringLiteral("15=14");
     } else if (oldName == QLatin1String("equalizer")) {
         info << QStringLiteral("ladspa.1901");
         info << QStringLiteral("logain=0");
         info << QStringLiteral("midgain=1");
         info << QStringLiteral("higain=2");
     } else if (oldName == QLatin1String("declipper")) {
         info << QStringLiteral("ladspa.1195");
     }
     return info;
 }
 
 QString DocumentValidator::colorToString(const QColor &c)
 {
     QString ret = QStringLiteral("%1,%2,%3,%4");
     ret = ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
     return ret;
 }
 
 bool DocumentValidator::isProject() const
 {
     return m_doc.documentElement().tagName() == QLatin1String("mlt");
 }
 
 bool DocumentValidator::isModified() const
 {
     return m_modified;
 }
 
 bool DocumentValidator::checkMovit()
 {
     QString playlist = m_doc.toString();
     if (!playlist.contains(QStringLiteral("movit."))) {
         // Project does not use Movit GLSL effects, we can load it
         return true;
     }
     if (KMessageBox::questionTwoActions(QApplication::activeWindow(),
                                         i18n("The project file uses some GPU effects. GPU acceleration is not currently enabled.\nDo you want to convert the "
                                              "project to a non-GPU version?\nThis might result in data loss."),
                                         i18n("GPU Effects"), KGuiItem(i18n("Convert")), KStandardGuiItem::cancel()) != KMessageBox::PrimaryAction) {
         return false;
     }
     // Try to convert Movit filters to their non GPU equivalent
     QStringList convertedFilters;
     QStringList discardedFilters;
     bool hasWB = EffectsRepository::get()->exists(QStringLiteral("frei0r.colgate"));
     bool hasBlur = EffectsRepository::get()->exists(QStringLiteral("frei0r.IIRblur"));
     QString compositeTrans;
     if (KdenliveSettings::preferredcomposite() != i18n("auto") && TransitionsRepository::get()->exists(KdenliveSettings::preferredcomposite())) {
         compositeTrans = KdenliveSettings::preferredcomposite();
     } else if (TransitionsRepository::get()->exists(QStringLiteral("frei0r.cairoblend"))) {
         compositeTrans = QStringLiteral("frei0r.cairoblend");
     } else if (TransitionsRepository::get()->exists(QStringLiteral("qtblend"))) {
         compositeTrans = QStringLiteral("qtblend");
     }
 
     // Parse all effects in document
     QDomNodeList filters = m_doc.elementsByTagName(QStringLiteral("filter"));
     int max = filters.count();
     for (int i = 0; i < max; ++i) {
         QDomElement filt = filters.at(i).toElement();
         QString filterId = filt.attribute(QStringLiteral("id"));
         if (!filterId.startsWith(QLatin1String("movit."))) {
             continue;
         }
         if (filterId == QLatin1String("movit.white_balance") && hasWB) {
             // Convert to frei0r.colgate
             filt.setAttribute(QStringLiteral("id"), QStringLiteral("frei0r.colgate"));
             Xml::setXmlProperty(filt, QStringLiteral("kdenlive_id"), QStringLiteral("frei0r.colgate"));
             Xml::setXmlProperty(filt, QStringLiteral("tag"), QStringLiteral("frei0r.colgate"));
             Xml::setXmlProperty(filt, QStringLiteral("mlt_service"), QStringLiteral("frei0r.colgate"));
             Xml::renameXmlProperty(filt, QStringLiteral("neutral_color"), QStringLiteral("Neutral Color"));
             QString value = Xml::getXmlProperty(filt, QStringLiteral("color_temperature"));
             value = factorizeGeomValue(value, 15000.0);
             Xml::setXmlProperty(filt, QStringLiteral("color_temperature"), value);
             Xml::renameXmlProperty(filt, QStringLiteral("color_temperature"), QStringLiteral("Color Temperature"));
             convertedFilters << filterId;
             continue;
         }
         if (filterId == QLatin1String("movit.blur") && hasBlur) {
             // Convert to frei0r.IIRblur
             filt.setAttribute(QStringLiteral("id"), QStringLiteral("frei0r.IIRblur"));
             Xml::setXmlProperty(filt, QStringLiteral("kdenlive_id"), QStringLiteral("frei0r.IIRblur"));
             Xml::setXmlProperty(filt, QStringLiteral("tag"), QStringLiteral("frei0r.IIRblur"));
             Xml::setXmlProperty(filt, QStringLiteral("mlt_service"), QStringLiteral("frei0r.IIRblur"));
             Xml::renameXmlProperty(filt, QStringLiteral("radius"), QStringLiteral("Amount"));
             QString value = Xml::getXmlProperty(filt, QStringLiteral("Amount"));
             value = factorizeGeomValue(value, 14.0);
             Xml::setXmlProperty(filt, QStringLiteral("Amount"), value);
             convertedFilters << filterId;
             continue;
         }
         if (filterId == QLatin1String("movit.mirror")) {
             // Convert to MLT's mirror
             filt.setAttribute(QStringLiteral("id"), QStringLiteral("mirror"));
             Xml::setXmlProperty(filt, QStringLiteral("kdenlive_id"), QStringLiteral("mirror"));
             Xml::setXmlProperty(filt, QStringLiteral("tag"), QStringLiteral("mirror"));
             Xml::setXmlProperty(filt, QStringLiteral("mlt_service"), QStringLiteral("mirror"));
             Xml::setXmlProperty(filt, QStringLiteral("mirror"), QStringLiteral("flip"));
             convertedFilters << filterId;
             continue;
         }
         if (filterId.startsWith(QLatin1String("movit."))) {
             // TODO: implement conversion for more filters
             discardedFilters << filterId;
         }
     }
 
     // Parse all transitions in document
     QDomNodeList transitions = m_doc.elementsByTagName(QStringLiteral("transition"));
     max = transitions.count();
     for (int i = 0; i < max; ++i) {
         QDomElement t = transitions.at(i).toElement();
         QString transId = Xml::getXmlProperty(t, QStringLiteral("mlt_service"));
         if (!transId.startsWith(QLatin1String("movit."))) {
             continue;
         }
         if (transId == QLatin1String("movit.overlay") && !compositeTrans.isEmpty()) {
             // Convert to frei0r.cairoblend
             Xml::setXmlProperty(t, QStringLiteral("mlt_service"), compositeTrans);
             convertedFilters << transId;
             continue;
         }
         if (transId.startsWith(QLatin1String("movit."))) {
             // TODO: implement conversion for more filters
             discardedFilters << transId;
         }
     }
 
     convertedFilters.removeDuplicates();
     discardedFilters.removeDuplicates();
     if (discardedFilters.isEmpty()) {
         KMessageBox::informationList(QApplication::activeWindow(), i18n("The following filters/transitions were converted to non GPU versions:"),
                                      convertedFilters);
     } else {
         KMessageBox::informationList(QApplication::activeWindow(), i18n("The following filters/transitions were deleted from the project:"), discardedFilters);
     }
     m_modified = true;
     QString scene = m_doc.toString();
     scene.replace(QLatin1String("movit."), QString());
     m_doc.setContent(scene);
     return true;
 }
 
 QString DocumentValidator::factorizeGeomValue(const QString &value, double factor)
 {
     const QStringList vals = value.split(QLatin1Char(';'));
     QString result;
     for (int i = 0; i < vals.count(); i++) {
         const QString &s = vals.at(i);
         QString key = s.section(QLatin1Char('='), 0, 0);
         QString val = s.section(QLatin1Char('='), 1, 1);
         double v = val.toDouble() / factor;
         result.append(key + QLatin1Char('=') + QString::number(v, 'f'));
         if (i + 1 < vals.count()) {
             result.append(QLatin1Char(';'));
         }
     }
     return result;
 }
 
 void DocumentValidator::checkOrphanedProducers()
 {
     QDomElement mlt = m_doc.firstChildElement(QStringLiteral("mlt"));
     QDomElement main = mlt.firstChildElement(QStringLiteral("playlist"));
     QDomNodeList bin_producers = main.childNodes();
     QStringList binProducers;
     for (int k = 0; k < bin_producers.count(); k++) {
         QDomElement mltprod = bin_producers.at(k).toElement();
         if (mltprod.tagName() != QLatin1String("entry")) {
             continue;
         }
         binProducers << mltprod.attribute(QStringLiteral("producer"));
     }
 
     QDomNodeList producers = m_doc.elementsByTagName(QStringLiteral("producer"));
     int max = producers.count();
     QStringList allProducers;
     for (int i = 0; i < max; ++i) {
         QDomElement prod = producers.item(i).toElement();
         if (prod.isNull()) {
             continue;
         }
         allProducers << prod.attribute(QStringLiteral("id"));
     }
 
     QDomDocumentFragment frag = m_doc.createDocumentFragment();
     QDomDocumentFragment trackProds = m_doc.createDocumentFragment();
     for (int i = 0; i < producers.count(); ++i) {
         QDomElement prod = producers.item(i).toElement();
         if (prod.isNull()) {
             continue;
         }
         QString id = prod.attribute(QStringLiteral("id")).section(QLatin1Char('_'), 0, 0);
         if (id.startsWith(QLatin1String("slowmotion")) || id == QLatin1String("black")) {
             continue;
         }
         if (!binProducers.contains(id)) {
             QString binId = Xml::getXmlProperty(prod, QStringLiteral("kdenlive:binid"));
             Xml::setXmlProperty(prod, QStringLiteral("kdenlive:id"), binId);
             if (!binId.isEmpty() && binProducers.contains(binId)) {
                 continue;
             }
             qCWarning(KDENLIVE_LOG) << " ///////// WARNING, FOUND UNKNOWN PRODUDER: " << id << " ----------------";
             // This producer is unknown to Bin
             QString service = Xml::getXmlProperty(prod, QStringLiteral("mlt_service"));
             QString distinctiveTag(QStringLiteral("resource"));
             if (service == QLatin1String("kdenlivetitle")) {
                 distinctiveTag = QStringLiteral("xmldata");
             }
             QString orphanValue = Xml::getXmlProperty(prod, distinctiveTag);
             for (int j = 0; j < producers.count(); j++) {
                 // Search for a similar producer
                 QDomElement binProd = producers.item(j).toElement();
                 binId = binProd.attribute(QStringLiteral("id")).section(QLatin1Char('_'), 0, 0);
                 if (service != QLatin1String("timewarp") && (binId.startsWith(QLatin1String("slowmotion")) || !binProducers.contains(binId))) {
                     continue;
                 }
                 QString binService = Xml::getXmlProperty(binProd, QStringLiteral("mlt_service"));
                 qCDebug(KDENLIVE_LOG) << " / /LKNG FOR: " << service << " / " << orphanValue << ", checking: " << binProd.attribute(QStringLiteral("id"));
                 if (service != binService) {
                     continue;
                 }
                 QString binValue = Xml::getXmlProperty(binProd, distinctiveTag);
                 if (binValue == orphanValue) {
                     // Found probable source producer, replace
                     frag.appendChild(prod);
                     if (i > 0) {
                         i--;
                     }
                     QDomNodeList entries = m_doc.elementsByTagName(QStringLiteral("entry"));
                     for (int k = 0; k < entries.count(); k++) {
                         QDomElement entry = entries.at(k).toElement();
                         if (entry.attribute(QStringLiteral("producer")) == id) {
                             QString entryId = binId;
                             if (service.contains(QStringLiteral("avformat")) || service == QLatin1String("xml") || service == QLatin1String("consumer")) {
                                 // We must use track producer, find track for this entry
                                 QString trackPlaylist = entry.parentNode().toElement().attribute(QStringLiteral("id"));
                                 entryId.append(QLatin1Char('_') + trackPlaylist);
                             }
                             if (!allProducers.contains(entryId)) {
                                 // The track producer does not exist, create a clone for it
                                 QDomElement cloned = binProd.cloneNode(true).toElement();
                                 cloned.setAttribute(QStringLiteral("id"), entryId);
                                 trackProds.appendChild(cloned);
                                 allProducers << entryId;
                             }
                             entry.setAttribute(QStringLiteral("producer"), entryId);
                             m_modified = true;
                         }
                     }
                     continue;
                 }
             }
         }
     }
     if (!trackProds.isNull()) {
         QDomNode firstProd = m_doc.firstChildElement(QStringLiteral("producer"));
         mlt.insertBefore(trackProds, firstProd);
     }
 }
 
 void DocumentValidator::fixTitleProducerLocale(QDomElement &producer)
 {
     QString data = Xml::getXmlProperty(producer, QStringLiteral("xmldata"));
     QDomDocument doc;
     doc.setContent(data);
     QDomNodeList nodes = doc.elementsByTagName(QStringLiteral("position"));
     bool fixed = false;
     for (int i = 0; i < nodes.count(); i++) {
         QDomElement pos = nodes.at(i).toElement();
         QString x = pos.attribute(QStringLiteral("x"));
         QString y = pos.attribute(QStringLiteral("y"));
         if (x.contains(QLatin1Char(','))) {
             // x pos was saved in locale format, fix
             x = x.section(QLatin1Char(','), 0, 0);
             pos.setAttribute(QStringLiteral("x"), x);
             fixed = true;
         }
         if (y.contains(QLatin1Char(','))) {
             // x pos was saved in locale format, fix
             y = y.section(QLatin1Char(','), 0, 0);
             pos.setAttribute(QStringLiteral("y"), y);
             fixed = true;
         }
     }
     nodes = doc.elementsByTagName(QStringLiteral("content"));
     for (int i = 0; i < nodes.count(); i++) {
         QDomElement pos = nodes.at(i).toElement();
         QString x = pos.attribute(QStringLiteral("font-outline"));
         QString y = pos.attribute(QStringLiteral("textwidth"));
         if (x.contains(QLatin1Char(','))) {
             // x pos was saved in locale format, fix
             x = x.section(QLatin1Char(','), 0, 0);
             pos.setAttribute(QStringLiteral("font-outline"), x);
             fixed = true;
         }
         if (y.contains(QLatin1Char(','))) {
             // x pos was saved in locale format, fix
             y = y.section(QLatin1Char(','), 0, 0);
             pos.setAttribute(QStringLiteral("textwidth"), y);
             fixed = true;
         }
     }
     if (fixed) {
         Xml::setXmlProperty(producer, QStringLiteral("xmldata"), doc.toString());
     }
 }