Make it run with Qt6

This is a huge commit. Changes:
* Obviously, make it compile
* Make it run (only scarcely tested)
* get rid of most of clang's warnings

Let's see what surprises are in store...

1 files changed, 1 insertions, 1 deletions

diff --git a/filepropertiesdialog.cpp b/filepropertiesdialog.cpp
index be5e261..fbef6c2 100644
--- a/filepropertiesdialog.cpp
+++ b/filepropertiesdialog.cpp
@@ -103,7 +103,7 @@ void FilePropertiesDialog::movieData(){
     SmTreeItem *streamItem = new SmTreeItem(2);
     QJsonArray streamA = obj.value("streams").toArray();
     for(int i = 0; i < streamA.size(); ++i){
-        QString itemName = QString(tr("Stream %1 [%2]")).arg(QString::number(i + 1)).arg(streamA.at(i).toObject().value("codec_type").toString());
+        QString itemName = QString(tr("Stream %1 [%2]")).arg(QString::number(i + 1), streamA.at(i).toObject().value("codec_type").toString());
         SmTreeItem *item = new SmTreeItem(QList<QVariant>() << itemName << QVariant(), streamItem);
         streamItem->appendChild(item);
         movieDataRecursive(streamA.at(i), item);