Blacklist MLT Qt5 module when building against Qt6

Otherwise the Qt5 module is loaded by default if both are installed, crashing the application (cherry picked from commit b4ea9b9b5e)
2025-12-06 16:29:58 +01:00 · 2024-01-14 20:15:38 +00:00
1 changed files with 5 additions and 0 deletions
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -97,6 +97,11 @@ int main(int argc, char *argv[])
 #endif
 #endif

+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // blacklist MLT Qt5 module to prevent crashes
+    qputenv("MLT_REPOSITORY_DENY", "libmltqt:libmltglaxnimate");
+#endif
+
 #if defined(Q_OS_WIN)
    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::RoundPreferFloor);
 #endif