10 #include "vu_common.h"
12 class LRAMeter : public QWidget
17 LRAMeter(QWidget *parent);
19 void set_levels(float level_lufs, float range_low_lufs, float range_high_lufs) {
20 std::unique_lock<std::mutex> lock(level_mutex);
21 this->level_lufs = level_lufs;
22 this->range_low_lufs = range_low_lufs;
23 this->range_high_lufs = range_high_lufs;
24 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
27 double lufs_to_pos(float level_lu, int height)
29 return ::lufs_to_pos(level_lu, height, min_level, max_level);
32 void set_min_level(float min_level)
34 this->min_level = min_level;
35 recalculate_pixmaps();
38 void set_max_level(float max_level)
40 this->max_level = max_level;
41 recalculate_pixmaps();
44 void set_ref_level(float ref_level_lufs)
46 this->ref_level_lufs = ref_level_lufs;
50 void resizeEvent(QResizeEvent *event) override;
51 void paintEvent(QPaintEvent *event) override;
52 void recalculate_pixmaps();
54 std::mutex level_mutex;
55 float level_lufs = -HUGE_VAL;
56 float range_low_lufs = -HUGE_VAL;
57 float range_high_lufs = -HUGE_VAL;
58 float min_level = -18.0f, max_level = 9.0f, ref_level_lufs = -23.0f;
60 QPixmap on_pixmap, off_pixmap;