#define VUMETER_H
#include <math.h>
-#include <QLabel>
-#include <QPaintEvent>
+#include <QPixmap>
+#include <QString>
#include <QWidget>
#include <mutex>
+#include "vu_common.h"
+
+class QObject;
+class QPaintEvent;
+class QResizeEvent;
+
class VUMeter : public QWidget
{
Q_OBJECT
VUMeter(QWidget *parent);
void set_level(float level_lufs) {
+ set_level(level_lufs, level_lufs);
+ }
+
+ void set_level(float level_lufs_left, float level_lufs_right) {
std::unique_lock<std::mutex> lock(level_mutex);
- this->level_lufs = level_lufs;
+ this->level_lufs[0] = level_lufs_left;
+ this->level_lufs[1] = level_lufs_right;
QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
}
+ void set_peak(float peak_lufs) {
+ set_peak(peak_lufs, peak_lufs);
+ }
+
+ void set_peak(float peak_lufs_left, float peak_lufs_right) {
+ std::unique_lock<std::mutex> lock(level_mutex);
+ this->peak_lufs[0] = peak_lufs_left;
+ this->peak_lufs[1] = peak_lufs_right;
+ 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;
+ }
+
+ void set_flip(bool flip)
+ {
+ this->flip = flip;
+ recalculate_pixmaps();
+ }
+
private:
+ void resizeEvent(QResizeEvent *event) override;
void paintEvent(QPaintEvent *event) override;
+ void recalculate_pixmaps();
std::mutex level_mutex;
- float level_lufs = -HUGE_VAL;
+ float level_lufs[2] { -HUGE_VALF, -HUGE_VALF };
+ float peak_lufs[2] { -HUGE_VALF, -HUGE_VALF };
+ float min_level = -18.0f, max_level = 9.0f, ref_level_lufs = -23.0f;
+ bool flip = false;
+
+ QPixmap full_on_pixmap, on_pixmap, off_pixmap;
};
#endif