Fix missing luma error on project opening with AppImage

src/assets/view/widgets/listparamwidget.cpp

@@ -101,7 +101,13 @@ void ListParamWidget::slotRefresh()
         // Create thumbnails
         if (pCore->getCurrentFrameSize().width() > 1000) {
             // HD project
-            values = MainWindow::m_lumaFiles.value(QStringLiteral("HD"));
+            values = MainWindow::m_lumaFiles.value(QStringLiteral("16_9"));
+        } else if (pCore->getCurrentFrameSize().height() > 1000) {
+            values = MainWindow::m_lumaFiles.value(QStringLiteral("9_16"));
+        } else if (pCore->getCurrentFrameSize().height() == pCore->getCurrentFrameSize().width()) {
+            values = MainWindow::m_lumaFiles.value(QStringLiteral("square"));
+        } else if (pCore->getCurrentFrameSize().height() == 480) {
+            values = MainWindow::m_lumaFiles.value(QStringLiteral("NTSC"));
         } else {
             values = MainWindow::m_lumaFiles.value(QStringLiteral("PAL"));
         }

src/doc/documentchecker.cpp

@@ -298,6 +298,7 @@ bool DocumentChecker::hasErrorInClips()
 
     QMap<QString, QString> autoFixLuma;
     QString lumaPath;
+    QString lumaMltPath;
     // Check existence of luma files
     for (const QString &lumafile : filesToCheck) {
         filePath = lumafile;
@@ -315,18 +316,31 @@ bool DocumentChecker::hasErrorInClips()
                 autoFixLuma.insert(filePath, fixedLuma);
                 continue;
             }
-            // Check MLT folder
+            // Check Kdenlive folder
             if (lumaPath.isEmpty()) {
                 QDir dir(QCoreApplication::applicationDirPath());
                 dir.cdUp();
                 dir.cd(QStringLiteral("share/kdenlive/lumas/"));
-                lumaPath = dir.absolutePath();
+                lumaPath = dir.absolutePath() + QStringLiteral("/");
             }
+            lumaName = filePath.section(QLatin1Char('/'), -2);
             lumaName.prepend(lumaPath);
             if (QFile::exists(lumaName)) {
                 autoFixLuma.insert(filePath, lumaName);
                 continue;
             }
+            // Check MLT folder
+            if (lumaMltPath.isEmpty()) {
+                QDir dir(KdenliveSettings::mltpath());
+                dir.cd(QStringLiteral("../lumas/"));
+                lumaMltPath = dir.absolutePath() + QStringLiteral("/");
+            }
+            lumaName = filePath.section(QLatin1Char('/'), -2);
+            lumaName.prepend(lumaMltPath);
+            if (QFile::exists(lumaName)) {
+                autoFixLuma.insert(filePath, lumaName);
+                continue;
+            }
 
             if (filePath.endsWith(QLatin1String(".pgm"))) {
                 fixedLuma = filePath.section(QLatin1Char('.'), 0, -2) + QStringLiteral(".png");

src/mltconnection.cpp

@@ -176,7 +176,6 @@ std::unique_ptr<Mlt::Repository> &MltConnection::getMltRepository()
 void MltConnection::refreshLumas()
 {
     // Check for Kdenlive installed luma files, add empty string at start for no luma
-    QStringList imagefiles;
     QStringList fileFilters;
     MainWindow::m_lumaFiles.clear();
     fileFilters << QStringLiteral("*.png") << QStringLiteral("*.pgm");
@@ -187,9 +186,10 @@ void MltConnection::refreshLumas()
         QStringList folders = topDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
         QString format;
         for (const QString &f : folders) {
+            QStringList imagefiles;
             QDir dir(topDir.absoluteFilePath(f));
-            if (f == QLatin1String("16_9")) {
-                format = QStringLiteral("HD");
+            if (f == QLatin1String("HD")) {
+                format = QStringLiteral("16_9");
             } else {
                 format = f;
             }