10 #include "vu_common.h"
12 class VUMeter : public QWidget
17 VUMeter(QWidget *parent);
19 void set_level(float level_lufs) {
20 set_level(level_lufs, level_lufs);
23 void set_level(float level_lufs_left, float level_lufs_right) {
24 std::unique_lock<std::mutex> lock(level_mutex);
25 this->level_lufs[0] = level_lufs_left;
26 this->level_lufs[1] = level_lufs_right;
27 QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
30 double lufs_to_pos(float level_lu, int height)
32 return ::lufs_to_pos(level_lu, height, min_level, max_level);
35 void set_min_level(float min_level)
37 this->min_level = min_level;
38 recalculate_pixmaps();
41 void set_max_level(float max_level)
43 this->max_level = max_level;
44 recalculate_pixmaps();
47 void set_ref_level(float ref_level_lufs)
49 this->ref_level_lufs = ref_level_lufs;
52 void set_flip(bool flip)
55 recalculate_pixmaps();
59 void resizeEvent(QResizeEvent *event) override;
60 void paintEvent(QPaintEvent *event) override;
61 void recalculate_pixmaps();
63 std::mutex level_mutex;
64 float level_lufs[2] { -HUGE_VALF, -HUGE_VALF };
65 float min_level = -18.0f, max_level = 9.0f, ref_level_lufs = -23.0f;
68 QPixmap on_pixmap, off_pixmap;