1 files changed, 2 insertions, 0 deletions
diff --git a/helper.h b/helper.h
index b000026..a93406a 100644
--- a/helper.h
+++ b/helper.h
@@ -11,6 +11,7 @@
 #include <QPair>
 #include <QStringList>
 #include <QVariant>
+#include <QList>
 
 #include <magic.h>
 
@@ -30,6 +31,7 @@ namespace Helper {
 	const QStringList toStringList(const QList<QVariant> &list);
 	const QString colorToHtml(const QColor &color);
 	void centerWidget(QWidget *widget);
+    QList<QVariant> duration(const QString &path);
 }
 
 #endif