Make reference level of VUMeter and LRAMeter adjustable.

[nageru] / vumeter.h

diff --git a/vumeter.h b/vumeter.h
index 12afdc6398dfd2ec42128dd7272bab92b6c33533..341f60fb3d8c4a49716f3a6c388fdccb27e58961 100644 (file)
--- a/vumeter.h
+++ b/vumeter.h
@@ -7,6 +7,8 @@
 #include <QWidget>
 #include <mutex>
 
+#include "vu_common.h"
+
 class VUMeter : public QWidget
 {
        Q_OBJECT
@@ -20,11 +22,38 @@ public:
                QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
        }
 
+       double lufs_to_pos(float level_lu, int height)
+       {
+               return ::lufs_to_pos(level_lu, height, min_level, max_level);
+       }
+
+       void set_min_level(float min_level)
+       {
+               this->min_level = min_level;
+               recalculate_pixmaps();
+       }
+
+       void set_max_level(float max_level)
+       {
+               this->max_level = max_level;
+               recalculate_pixmaps();
+       }
+
+       void set_ref_level(float ref_level_lufs)
+       {
+               this->ref_level_lufs = ref_level_lufs;
+       }
+
 private:
+       void resizeEvent(QResizeEvent *event) override;
        void paintEvent(QPaintEvent *event) override;
+       void recalculate_pixmaps();
 
        std::mutex level_mutex;
        float level_lufs = -HUGE_VAL;
+       float min_level = -18.0f, max_level = 9.0f, ref_level_lufs = -23.0f;
+
+       QPixmap on_pixmap, off_pixmap;
 };
 
 #endif