void paintEvent(QPaintEvent *event) override;
std::mutex level_mutex;
float level_lufs = -HUGE_VAL;
float range_low_lufs = -HUGE_VAL;
float range_high_lufs = -HUGE_VAL;
void paintEvent(QPaintEvent *event) override;
std::mutex level_mutex;
float level_lufs = -HUGE_VAL;
float range_low_lufs = -HUGE_VAL;
float range_high_lufs = -HUGE_VAL;