Files
obs-studio/frontend/widgets/VolumeMeter.hpp

223 lines
8.7 KiB
C++

#pragma once
#include <obs.hpp>
#include <QMutex>
#include <QWidget>
#define FADER_PRECISION 4096.0
class VolumeMeterTimer;
class VolumeMeter : public QWidget {
Q_OBJECT
Q_PROPERTY(QColor backgroundNominalColor READ getBackgroundNominalColor WRITE setBackgroundNominalColor
DESIGNABLE true)
Q_PROPERTY(QColor backgroundWarningColor READ getBackgroundWarningColor WRITE setBackgroundWarningColor
DESIGNABLE true)
Q_PROPERTY(
QColor backgroundErrorColor READ getBackgroundErrorColor WRITE setBackgroundErrorColor DESIGNABLE true)
Q_PROPERTY(QColor foregroundNominalColor READ getForegroundNominalColor WRITE setForegroundNominalColor
DESIGNABLE true)
Q_PROPERTY(QColor foregroundWarningColor READ getForegroundWarningColor WRITE setForegroundWarningColor
DESIGNABLE true)
Q_PROPERTY(
QColor foregroundErrorColor READ getForegroundErrorColor WRITE setForegroundErrorColor DESIGNABLE true)
Q_PROPERTY(QColor backgroundNominalColorDisabled READ getBackgroundNominalColorDisabled WRITE
setBackgroundNominalColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor backgroundWarningColorDisabled READ getBackgroundWarningColorDisabled WRITE
setBackgroundWarningColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor backgroundErrorColorDisabled READ getBackgroundErrorColorDisabled WRITE
setBackgroundErrorColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor foregroundNominalColorDisabled READ getForegroundNominalColorDisabled WRITE
setForegroundNominalColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor foregroundWarningColorDisabled READ getForegroundWarningColorDisabled WRITE
setForegroundWarningColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor foregroundErrorColorDisabled READ getForegroundErrorColorDisabled WRITE
setForegroundErrorColorDisabled DESIGNABLE true)
Q_PROPERTY(QColor clipColor READ getClipColor WRITE setClipColor DESIGNABLE true)
Q_PROPERTY(QColor magnitudeColor READ getMagnitudeColor WRITE setMagnitudeColor DESIGNABLE true)
Q_PROPERTY(QColor majorTickColor READ getMajorTickColor WRITE setMajorTickColor DESIGNABLE true)
Q_PROPERTY(QColor minorTickColor READ getMinorTickColor WRITE setMinorTickColor DESIGNABLE true)
Q_PROPERTY(int meterThickness READ getMeterThickness WRITE setMeterThickness DESIGNABLE true)
Q_PROPERTY(qreal meterFontScaling READ getMeterFontScaling WRITE setMeterFontScaling DESIGNABLE true)
// Levels are denoted in dBFS.
Q_PROPERTY(qreal minimumLevel READ getMinimumLevel WRITE setMinimumLevel DESIGNABLE true)
Q_PROPERTY(qreal warningLevel READ getWarningLevel WRITE setWarningLevel DESIGNABLE true)
Q_PROPERTY(qreal errorLevel READ getErrorLevel WRITE setErrorLevel DESIGNABLE true)
Q_PROPERTY(qreal clipLevel READ getClipLevel WRITE setClipLevel DESIGNABLE true)
Q_PROPERTY(qreal minimumInputLevel READ getMinimumInputLevel WRITE setMinimumInputLevel DESIGNABLE true)
// Rates are denoted in dB/second.
Q_PROPERTY(qreal peakDecayRate READ getPeakDecayRate WRITE setPeakDecayRate DESIGNABLE true)
// Time in seconds for the VU meter to integrate over.
Q_PROPERTY(qreal magnitudeIntegrationTime READ getMagnitudeIntegrationTime WRITE setMagnitudeIntegrationTime
DESIGNABLE true)
// Duration is denoted in seconds.
Q_PROPERTY(qreal peakHoldDuration READ getPeakHoldDuration WRITE setPeakHoldDuration DESIGNABLE true)
Q_PROPERTY(qreal inputPeakHoldDuration READ getInputPeakHoldDuration WRITE setInputPeakHoldDuration
DESIGNABLE true)
friend class VolControl;
private:
obs_volmeter_t *obs_volmeter;
static std::weak_ptr<VolumeMeterTimer> updateTimer;
std::shared_ptr<VolumeMeterTimer> updateTimerRef;
inline void resetLevels();
inline void doLayout();
inline bool detectIdle(uint64_t ts);
inline void calculateBallistics(uint64_t ts, qreal timeSinceLastRedraw = 0.0);
inline void calculateBallisticsForChannel(int channelNr, uint64_t ts, qreal timeSinceLastRedraw);
inline int convertToInt(float number);
void paintInputMeter(QPainter &painter, int x, int y, int width, int height, float peakHold);
void paintHMeter(QPainter &painter, int x, int y, int width, int height, float magnitude, float peak,
float peakHold);
void paintHTicks(QPainter &painter, int x, int y, int width);
void paintVMeter(QPainter &painter, int x, int y, int width, int height, float magnitude, float peak,
float peakHold);
void paintVTicks(QPainter &painter, int x, int y, int height);
QMutex dataMutex;
bool recalculateLayout = true;
uint64_t currentLastUpdateTime = 0;
float currentMagnitude[MAX_AUDIO_CHANNELS];
float currentPeak[MAX_AUDIO_CHANNELS];
float currentInputPeak[MAX_AUDIO_CHANNELS];
int displayNrAudioChannels = 0;
float displayMagnitude[MAX_AUDIO_CHANNELS];
float displayPeak[MAX_AUDIO_CHANNELS];
float displayPeakHold[MAX_AUDIO_CHANNELS];
uint64_t displayPeakHoldLastUpdateTime[MAX_AUDIO_CHANNELS];
float displayInputPeakHold[MAX_AUDIO_CHANNELS];
uint64_t displayInputPeakHoldLastUpdateTime[MAX_AUDIO_CHANNELS];
QFont tickFont;
QColor backgroundNominalColor;
QColor backgroundWarningColor;
QColor backgroundErrorColor;
QColor foregroundNominalColor;
QColor foregroundWarningColor;
QColor foregroundErrorColor;
QColor backgroundNominalColorDisabled;
QColor backgroundWarningColorDisabled;
QColor backgroundErrorColorDisabled;
QColor foregroundNominalColorDisabled;
QColor foregroundWarningColorDisabled;
QColor foregroundErrorColorDisabled;
QColor clipColor;
QColor magnitudeColor;
QColor majorTickColor;
QColor minorTickColor;
int meterThickness;
qreal meterFontScaling;
qreal minimumLevel;
qreal warningLevel;
qreal errorLevel;
qreal clipLevel;
qreal minimumInputLevel;
qreal peakDecayRate;
qreal magnitudeIntegrationTime;
qreal peakHoldDuration;
qreal inputPeakHoldDuration;
QColor p_backgroundNominalColor;
QColor p_backgroundWarningColor;
QColor p_backgroundErrorColor;
QColor p_foregroundNominalColor;
QColor p_foregroundWarningColor;
QColor p_foregroundErrorColor;
uint64_t lastRedrawTime = 0;
int channels = 0;
bool clipping = false;
bool vertical;
bool muted = false;
public:
explicit VolumeMeter(QWidget *parent = nullptr, obs_volmeter_t *obs_volmeter = nullptr, bool vertical = false);
~VolumeMeter();
void setLevels(const float magnitude[MAX_AUDIO_CHANNELS], const float peak[MAX_AUDIO_CHANNELS],
const float inputPeak[MAX_AUDIO_CHANNELS]);
QRect getBarRect() const;
bool needLayoutChange();
QColor getBackgroundNominalColor() const;
void setBackgroundNominalColor(QColor c);
QColor getBackgroundWarningColor() const;
void setBackgroundWarningColor(QColor c);
QColor getBackgroundErrorColor() const;
void setBackgroundErrorColor(QColor c);
QColor getForegroundNominalColor() const;
void setForegroundNominalColor(QColor c);
QColor getForegroundWarningColor() const;
void setForegroundWarningColor(QColor c);
QColor getForegroundErrorColor() const;
void setForegroundErrorColor(QColor c);
QColor getBackgroundNominalColorDisabled() const;
void setBackgroundNominalColorDisabled(QColor c);
QColor getBackgroundWarningColorDisabled() const;
void setBackgroundWarningColorDisabled(QColor c);
QColor getBackgroundErrorColorDisabled() const;
void setBackgroundErrorColorDisabled(QColor c);
QColor getForegroundNominalColorDisabled() const;
void setForegroundNominalColorDisabled(QColor c);
QColor getForegroundWarningColorDisabled() const;
void setForegroundWarningColorDisabled(QColor c);
QColor getForegroundErrorColorDisabled() const;
void setForegroundErrorColorDisabled(QColor c);
QColor getClipColor() const;
void setClipColor(QColor c);
QColor getMagnitudeColor() const;
void setMagnitudeColor(QColor c);
QColor getMajorTickColor() const;
void setMajorTickColor(QColor c);
QColor getMinorTickColor() const;
void setMinorTickColor(QColor c);
int getMeterThickness() const;
void setMeterThickness(int v);
qreal getMeterFontScaling() const;
void setMeterFontScaling(qreal v);
qreal getMinimumLevel() const;
void setMinimumLevel(qreal v);
qreal getWarningLevel() const;
void setWarningLevel(qreal v);
qreal getErrorLevel() const;
void setErrorLevel(qreal v);
qreal getClipLevel() const;
void setClipLevel(qreal v);
qreal getMinimumInputLevel() const;
void setMinimumInputLevel(qreal v);
qreal getPeakDecayRate() const;
void setPeakDecayRate(qreal v);
qreal getMagnitudeIntegrationTime() const;
void setMagnitudeIntegrationTime(qreal v);
qreal getPeakHoldDuration() const;
void setPeakHoldDuration(qreal v);
qreal getInputPeakHoldDuration() const;
void setInputPeakHoldDuration(qreal v);
void setPeakMeterType(enum obs_peak_meter_type peakMeterType);
virtual void mousePressEvent(QMouseEvent *event) override;
virtual void wheelEvent(QWheelEvent *event) override;
protected:
void paintEvent(QPaintEvent *event) override;
void changeEvent(QEvent *e) override;
};