Fix dissolve in slideshow clips broken

BUG: 370337

src/bin/bin.cpp

@@ -3359,7 +3359,7 @@ void Bin::showSlideshowWidget(ProjectClip *clip)
         properties.insert(QStringLiteral("loop"), QString::number(dia->loop()));
         properties.insert(QStringLiteral("crop"), QString::number(dia->crop()));
         properties.insert(QStringLiteral("fade"), QString::number(dia->fade()));
-        properties.insert(QStringLiteral("luma_duration"), dia->lumaDuration());
+        properties.insert(QStringLiteral("luma_duration"), QString::number(m_doc->getFramePos(dia->lumaDuration())));
         properties.insert(QStringLiteral("luma_file"), dia->lumaFile());
         properties.insert(QStringLiteral("softness"), QString::number(dia->softness()));
         properties.insert(QStringLiteral("animation"), dia->animation());

src/bin/projectclip.cpp

@@ -288,9 +288,13 @@ QDomElement ProjectClip::toXml(QDomDocument& document, bool includeMeta)
 {
     if (m_controller) {
         m_controller->getProducerXML(document, includeMeta);
-        return document.documentElement().firstChildElement(QStringLiteral("producer"));
+        QDomElement prod = document.documentElement().firstChildElement(QStringLiteral("producer"));
+        if (m_type != Unknown) {
+            prod.setAttribute(QStringLiteral("type"), (int) m_type);
+        }
+        return prod;
     } else {
-        // We only have very basic infos, ike id and url, pass them
+        // We only have very basic infos, like id and url, pass them
         QDomElement prod = document.createElement(QStringLiteral("producer"));
         prod.setAttribute(QStringLiteral("id"), m_id);
         EffectsList::setProperty(prod, QStringLiteral("resource"), m_temporaryUrl.path());
@@ -592,6 +596,7 @@ void ProjectClip::setProperties(QMap <QString, QString> properties, bool refresh
     QMap <QString, QString> passProperties;
     bool refreshAnalysis = false;
     bool reload = false;
+    bool refreshOnly = true;
     // Some properties also need to be passed to track producers
     QStringList timelineProperties;
     if (properties.contains(QLatin1String("templatetext"))) {
@@ -607,6 +612,7 @@ void ProjectClip::setProperties(QMap <QString, QString> properties, bool refresh
         setProducerProperty(i.key(), i.value());
         if (m_type == SlideShow && keys.contains(i.key())) {
             reload = true;
+            refreshOnly = false;
         }
         if (i.key().startsWith(QLatin1String("kdenlive:clipanalysis"))) refreshAnalysis = true;
         if (timelineProperties.contains(i.key())) {
@@ -658,7 +664,7 @@ void ProjectClip::setProperties(QMap <QString, QString> properties, bool refresh
     }
     if (reload) {
         // producer has changed, refresh monitor and thumbnail
-        reloadProducer(true);
+        reloadProducer(refreshOnly);
         bin()->refreshClip(m_id);
     }
     if (!passProperties.isEmpty()) {

src/dialogs/clipcreationdialog.cpp

@@ -245,7 +245,7 @@ void ClipCreationDialog::createSlideshowClip(KdenliveDoc *doc, QStringList group
         properties.insert(QStringLiteral("loop"), QString::number(dia->loop()));
         properties.insert(QStringLiteral("crop"), QString::number(dia->crop()));
         properties.insert(QStringLiteral("fade"), QString::number(dia->fade()));
-        properties.insert(QStringLiteral("luma_duration"), dia->lumaDuration());
+        properties.insert(QStringLiteral("luma_duration"), QString::number(doc->getFramePos(dia->lumaDuration())));
         properties.insert(QStringLiteral("luma_file"), dia->lumaFile());
         properties.insert(QStringLiteral("softness"), QString::number(dia->softness()));
         properties.insert(QStringLiteral("animation"), dia->animation());

src/mltcontroller/producerqueue.cpp

@@ -501,7 +501,6 @@ void ProducerQueue::processFileProperties()
         if (frameNumber > 0) producer->seek(frameNumber);
         duration = duration > 0 ? duration : producer->get_playtime();
         //qDebug() << "///////  PRODUCER: " << url.path() << " IS: " << producer->get_playtime();
-
         if (type == SlideShow) {
             int ttl = EffectsList::property(info.xml,QStringLiteral("ttl")).toInt();
             QString anim = EffectsList::property(info.xml,QStringLiteral("animation"));