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sdrangel/sdrgui/gui/glspectrumview.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2018 beta-tester <alpha-beta-release@gmx.net> //
// Copyright (C) 2022-2023 Jon Beniston, M7RCE <jon@beniston.com> //
// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
// //
// OpenGL interface modernization. //
// See: http://doc.qt.io/qt-5/qopenglshaderprogram.html //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_GLSPECTRUMVIEW_H
#define INCLUDE_GLSPECTRUMVIEW_H
#include <QTimer>
#include <QMutex>
#include <QOpenGLBuffer>
#include <QOpenGLVertexArrayObject>
#include <QMatrix4x4>
#include <QPoint>
#include <QOpenGLWidget>
#include <QOpenGLDebugLogger>
#include "gui/qtcompatibility.h"
#include "gui/scaleengine.h"
#include "gui/glshadersimple.h"
#include "gui/glshadertextured.h"
#include "gui/glshadercolormap.h"
#include "dsp/glspectruminterface.h"
#include "gui/glshaderspectrogram.h"
#include "dsp/spectrummarkers.h"
#include "dsp/channelmarker.h"
#include "dsp/spectrumsettings.h"
#include "export.h"
#include "util/incrementalarray.h"
#include "util/message.h"
#include "util/colormap.h"
#include "util/peakfinder.h"
class QOpenGLShaderProgram;
class MessageQueue;
class SpectrumVis;
class QOpenGLDebugLogger;
class SpectrumMeasurements;
class SDRGUI_API GLSpectrumView : public QOpenGLWidget, public GLSpectrumInterface {
Q_OBJECT
public:
class MsgReportSampleRate : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportSampleRate(quint32 sampleRate) :
Message(),
m_sampleRate(sampleRate)
{}
quint32 getSampleRate() const { return m_sampleRate; }
private:
quint32 m_sampleRate;
};
class MsgReportWaterfallShare : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportWaterfallShare(Real waterfallShare) :
Message(),
m_waterfallShare(waterfallShare)
{}
Real getWaterfallShare() const { return m_waterfallShare; }
private:
Real m_waterfallShare;
};
class MsgReportFFTOverlap : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportFFTOverlap(int overlap) :
Message(),
m_overlap(overlap)
{}
int getOverlap() const { return m_overlap; }
private:
int m_overlap;
};
class MsgReportPowerScale : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportPowerScale(int refLevel, int range) :
Message(),
m_refLevel(refLevel),
m_range(range)
{}
Real getRefLevel() const { return m_refLevel; }
Real getRange() const { return m_range; }
private:
Real m_refLevel;
Real m_range;
};
class MsgReportCalibrationShift : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportCalibrationShift(Real calibrationShiftdB) :
Message(),
m_calibrationShiftdB(calibrationShiftdB)
{}
Real getCalibrationShiftdB() const { return m_calibrationShiftdB; }
private:
Real m_calibrationShiftdB;
};
class MsgReportHistogramMarkersChange : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportHistogramMarkersChange() :
Message()
{}
};
class MsgReportWaterfallMarkersChange : public Message {
MESSAGE_CLASS_DECLARATION
public:
MsgReportWaterfallMarkersChange() :
Message()
{}
};
GLSpectrumView(QWidget* parent = nullptr);
virtual ~GLSpectrumView();
void setCenterFrequency(qint64 frequency);
qint64 getCenterFrequency() const { return m_centerFrequency; }
float getPowerMax() const;
float getTimeMax() const;
void setSampleRate(qint32 sampleRate);
void setTimingRate(qint32 timingRate);
void setFFTOverlap(int overlap);
void setReferenceLevel(Real referenceLevel);
void setPowerRange(Real powerRange);
void setDecay(int decay);
void setDecayDivisor(int decayDivisor);
void setHistoStroke(int stroke);
void setDisplayWaterfall(bool display);
void setDisplay3DSpectrogram(bool display);
void set3DSpectrogramStyle(SpectrumSettings::SpectrogramStyle style);
void setColorMapName(const QString &colorMapName);
void setSpectrumStyle(SpectrumSettings::SpectrumStyle style);
void setSsbSpectrum(bool ssbSpectrum);
void setLsbDisplay(bool lsbDisplay);
void setInvertedWaterfall(bool inv);
void setDisplayMaxHold(bool display);
void setDisplayCurrent(bool display);
void setDisplayHistogram(bool display);
void setDisplayGrid(bool display);
void setDisplayGridIntensity(int intensity);
void setDisplayTraceIntensity(int intensity);
void setFreqScaleTruncationMode(bool mode);
void setLinear(bool linear);
void setUseCalibration(bool useCalibration);
void setMeasurements(SpectrumMeasurements *measurements) { m_measurements = measurements; }
void setMeasurementParams(SpectrumSettings::Measurement measurement,
int centerFrequencyOffset, int bandwidth, int chSpacing, int adjChBandwidth,
int harmonics, int peaks, bool highlight, int precision);
qint32 getSampleRate() const { return m_sampleRate; }
void addChannelMarker(ChannelMarker* channelMarker);
void removeChannelMarker(ChannelMarker* channelMarker);
void setMessageQueueToGUI(MessageQueue* messageQueue) { m_messageQueueToGUI = messageQueue; }
virtual void newSpectrum(const Real* spectrum, int nbBins, int fftSize);
void clearSpectrumHistogram();
Real getWaterfallShare() const { return m_waterfallShare; }
void setWaterfallShare(Real waterfallShare);
void setFPSPeriodMs(int fpsPeriodMs);
void setDisplayedStream(bool sourceOrSink, int streamIndex)
{
m_displaySourceOrSink = sourceOrSink;
m_displayStreamIndex = streamIndex;
}
void setSpectrumVis(SpectrumVis *spectrumVis) { m_spectrumVis = spectrumVis; }
SpectrumVis *getSpectrumVis() { return m_spectrumVis; }
const QList<SpectrumHistogramMarker>& getHistogramMarkers() const { return m_histogramMarkers; }
QList<SpectrumHistogramMarker>& getHistogramMarkers() { return m_histogramMarkers; }
void setHistogramMarkers(const QList<SpectrumHistogramMarker>& histogramMarkers);
const QList<SpectrumWaterfallMarker>& getWaterfallMarkers() const { return m_waterfallMarkers; }
QList<SpectrumWaterfallMarker>& getWaterfallMarkers() { return m_waterfallMarkers; }
void setWaterfallMarkers(const QList<SpectrumWaterfallMarker>& waterfallMarkers);
const QList<SpectrumAnnotationMarker>& getAnnotationMarkers() const { return m_annotationMarkers; }
QList<SpectrumAnnotationMarker>& getAnnotationMarkers() { return m_annotationMarkers; }
void setAnnotationMarkers(const QList<SpectrumAnnotationMarker>& annotationMarkers);
void updateHistogramMarkers();
void updateHistogramPeaks();
void updateWaterfallMarkers();
void updateAnnotationMarkers();
void updateMarkersDisplay();
void updateCalibrationPoints();
SpectrumSettings::MarkersDisplay& getMarkersDisplay() { return m_markersDisplay; }
bool& getHistogramFindPeaks() { return m_histogramFindPeaks; }
void setHistogramFindPeaks(bool value) { m_histogramFindPeaks = value; }
void setMarkersDisplay(SpectrumSettings::MarkersDisplay markersDisplay);
QList<SpectrumCalibrationPoint>& getCalibrationPoints() { return m_calibrationPoints; }
void setCalibrationPoints(const QList<SpectrumCalibrationPoint>& calibrationPoints);
SpectrumSettings::CalibrationInterpolationMode& getCalibrationInterpMode() { return m_calibrationInterpMode; }
void setCalibrationInterpMode(SpectrumSettings::CalibrationInterpolationMode mode);
void setIsDeviceSpectrum(bool isDeviceSpectrum) { m_isDeviceSpectrum = isDeviceSpectrum; }
bool isDeviceSpectrum() const { return m_isDeviceSpectrum; }
private:
struct ChannelMarkerState {
ChannelMarker* m_channelMarker;
QMatrix4x4 m_glMatrixWaterfall;
QMatrix4x4 m_glMatrixDsbWaterfall;
QMatrix4x4 m_glMatrixFreqScale;
QMatrix4x4 m_glMatrixDsbFreqScale;
QMatrix4x4 m_glMatrixHistogram;
QMatrix4x4 m_glMatrixDsbHistogram;
QRectF m_rect;
ChannelMarkerState(ChannelMarker* channelMarker) :
m_channelMarker(channelMarker)
{ }
};
QList<ChannelMarkerState*> m_channelMarkerStates;
enum CursorState {
CSNormal,
CSSplitter,
CSSplitterMoving,
CSChannel,
CSChannelMoving
};
QList<SpectrumHistogramMarker> m_histogramMarkers;
QList<SpectrumWaterfallMarker> m_waterfallMarkers;
QList<SpectrumAnnotationMarker> m_annotationMarkers;
QList<SpectrumAnnotationMarker*> m_sortedAnnotationMarkers;
QList<SpectrumAnnotationMarker*> m_visibleAnnotationMarkers;
SpectrumSettings::MarkersDisplay m_markersDisplay;
bool m_histogramFindPeaks;
PeakFinder m_peakFinder;
QList<SpectrumCalibrationPoint> m_calibrationPoints;
CursorState m_cursorState;
int m_cursorChannel;
SpectrumVis* m_spectrumVis;
QTimer m_timer;
int m_fpsPeriodMs;
QMutex m_mutex;
bool m_mouseInside;
bool m_changesPending;
qint64 m_centerFrequency;
Real m_referenceLevel;
Real m_powerRange;
bool m_linear;
int m_decay;
quint32 m_sampleRate;
quint32 m_timingRate;
int m_fftOverlap;
int m_fftSize; //!< FFT size in number of bins
int m_nbBins; //!< Number of visible FFT bins (zoom support)
bool m_displayGrid;
int m_displayGridIntensity;
int m_displayTraceIntensity;
bool m_invertedWaterfall;
std::vector<Real> m_maxHold;
bool m_displayMaxHold;
const Real *m_currentSpectrum;
bool m_displayCurrent;
Real m_waterfallShare;
int m_leftMargin;
int m_rightMargin;
int m_topMargin;
int m_frequencyScaleHeight;
int m_infoHeight;
int m_histogramHeight;
int m_waterfallHeight;
int m_bottomMargin;
QFont m_textOverlayFont;
QPixmap m_leftMarginPixmap;
QPixmap m_frequencyPixmap;
QPixmap m_infoPixmap;
ScaleEngine m_timeScale;
ScaleEngine m_powerScale;
ScaleEngine m_frequencyScale;
QRectF m_histogramRect;
QRect m_frequencyScaleRect;
QRectF m_waterfallRect;
QRect m_infoRect;
QMatrix4x4 m_glFrequencyScaleBoxMatrix;
QMatrix4x4 m_glLeftScaleBoxMatrix;
QMatrix4x4 m_glInfoBoxMatrix;
QString m_peakFrequencyMaxStr;
QString m_peakPowerMaxStr;
QString m_peakPowerUnits;
QRgb m_waterfallPalette[240];
QImage* m_waterfallBuffer;
int m_waterfallBufferPos;
int m_waterfallTextureHeight;
int m_waterfallTexturePos;
QMatrix4x4 m_glWaterfallBoxMatrix;
bool m_displayWaterfall;
bool m_ssbSpectrum;
bool m_lsbDisplay;
QImage* m_3DSpectrogramBuffer;
int m_3DSpectrogramBufferPos;
int m_3DSpectrogramTextureHeight;
int m_3DSpectrogramTexturePos;
bool m_display3DSpectrogram;
bool m_rotate3DSpectrogram; //!< Set when mouse is pressed in 3D spectrogram area for rotation when mouse is moved
bool m_pan3DSpectrogram;
bool m_scaleZ3DSpectrogram;
QPointF m_mousePrevLocalPos; //!< Position of the mouse for last event
int m_3DSpectrogramBottom;
QPixmap m_spectrogramTimePixmap;
QPixmap m_spectrogramPowerPixmap;
SpectrumSettings::SpectrogramStyle m_3DSpectrogramStyle;
QString m_colorMapName;
SpectrumSettings::SpectrumStyle m_spectrumStyle;
const float *m_colorMap;
bool m_scrollFrequency;
qint64 m_scrollStartCenterFreq;
bool m_pinching;
bool m_pinching3D;
QPointF m_pinchStart;
bool m_frequencyRequested; //!< Set when we have emitted requestCenterFrequency
qint64 m_requestedFrequency;
qint64 m_nextFrequency; //!< Next frequency to request when previous request completes
qint64 m_nextFrequencyValid;
QRgb m_histogramPalette[240];
QImage* m_histogramBuffer;
quint8* m_histogram; //!< Spectrum phosphor matrix of FFT width and PSD height scaled to 100. values [0..239]
int m_decayDivisor;
int m_decayDivisorCount;
int m_histogramStroke;
QMatrix4x4 m_glHistogramSpectrumMatrix;
QMatrix4x4 m_glHistogramBoxMatrix;
bool m_displayHistogram;
bool m_displayChanged;
bool m_displaySourceOrSink;
int m_displayStreamIndex;
float m_frequencyZoomFactor;
float m_frequencyZoomPos;
static const float m_maxFrequencyZoom;
static const float m_annotationMarkerHeight;
GLShaderSimple m_glShaderSimple;
GLShaderTextured m_glShaderLeftScale;
GLShaderTextured m_glShaderFrequencyScale;
GLShaderTextured m_glShaderWaterfall;
GLShaderTextured m_glShaderHistogram;
GLShaderColorMap m_glShaderColorMap;
GLShaderTextured m_glShaderTextOverlay;
GLShaderTextured m_glShaderInfo;
GLShaderSpectrogram m_glShaderSpectrogram;
GLShaderTextured m_glShaderSpectrogramTimeScale;
GLShaderTextured m_glShaderSpectrogramPowerScale;
int m_matrixLoc;
int m_colorLoc;
bool m_useCalibration;
Real m_calibrationGain;
Real m_calibrationShiftdB;
SpectrumSettings::CalibrationInterpolationMode m_calibrationInterpMode;
IncrementalArray<GLfloat> m_q3TickTime;
IncrementalArray<GLfloat> m_q3TickFrequency;
IncrementalArray<GLfloat> m_q3TickPower;
IncrementalArray<GLfloat> m_q3FFT;
IncrementalArray<GLfloat> m_q3ColorMap;
MessageQueue *m_messageQueueToGUI;
QOpenGLDebugLogger *m_openGLLogger;
bool m_isDeviceSpectrum;
SpectrumMeasurements *m_measurements;
SpectrumSettings::Measurement m_measurement;
int m_measurementCenterFrequencyOffset;
int m_measurementBandwidth;
int m_measurementChSpacing;
int m_measurementAdjChBandwidth;
int m_measurementHarmonics;
int m_measurementPeaks;
bool m_measurementHighlight;
int m_measurementPrecision;
static const QVector4D m_measurementLightMarkerColor;
static const QVector4D m_measurementDarkMarkerColor;
#ifdef ENABLE_PROFILER
QString m_profileName;
#endif
void updateWaterfall(const Real *spectrum);
void update3DSpectrogram(const Real *spectrum);
void updateHistogram(const Real *spectrum);
void initializeGL();
void resizeGL(int width, int height);
void paintGL();
void drawPowerBandMarkers(float max, float min, const QVector4D &color);
void drawBandwidthMarkers(int64_t centerFrequency, int bandwidth, const QVector4D &color);
void drawPeakMarkers(int64_t startFrequency, int64_t endFrequency, const QVector4D &color);
void drawSpectrumMarkers();
void drawAnnotationMarkers();
void measurePeak();
void measurePeaks();
void measureChannelPower();
void measureAdjacentChannelPower();
void measureOccupiedBandwidth();
void measure3dBBandwidth();
void measureSNR();
void measureSFDR();
float calcChannelPower(int64_t centerFrequency, int channelBandwidth) const;
float calPower(float power) const;
int findPeakBin(const Real *spectrum) const;
void findPeak(float &power, float &frequency) const;
void peakWidth(const Real *spectrum, int center, int &left, int &right, int maxLeft, int maxRight) const;
int frequencyToBin(int64_t frequency) const;
int64_t binToFrequency(int bin) const;
void stopDrag();
void applyChanges();
bool event(QEvent* event);
void mouseMoveEvent(QMouseEvent* event);
void mousePressEvent(QMouseEvent* event);
void mouseReleaseEvent(QMouseEvent* event);
void wheelEvent(QWheelEvent*);
void channelMarkerMove(QWheelEvent*, int mul);
void zoomFactor(const QPointF& p, float factor);
void zoom(const QPointF& p, int y);
void frequencyZoom(float pw);
void frequencyPan(QMouseEvent*);
void timeZoom(bool zoomInElseOut);
void powerZoom(float pw, bool zoomInElseOut);
void resetFrequencyZoom();
void updateFFTLimits();
void setFrequencyScale();
void setPowerScale(int height);
void getFrequencyZoom(int64_t& centerFrequency, int& frequencySpan);
bool pointInWaterfallOrSpectrogram(const QPointF &point) const;
bool pointInHistogram(const QPointF &point) const;
void enterEvent(EnterEventType* event);
void leaveEvent(QEvent* event);
static QString displayFull(int64_t value);
static QString displayScaled(int64_t value, char type, int precision, bool showMult);
static QString displayScaledF(float value, char type, int precision, bool showMult);
static QString displayPower(float value, char type, int precision);
int getPrecision(int value);
void drawTextRight(const QString &text, const QString &value, const QString &max, const QString &units);
void drawTextsRight(const QStringList &text, const QStringList &value, const QStringList &max, const QStringList &units);
void drawTextOverlayCentered(
const QString& text,
const QColor& color,
const QFont& font,
float shiftX,
float shiftY,
const QRectF& glRect);
void drawTextOverlay( //!< Draws a text overlay
const QString& text,
const QColor& color,
const QFont& font,
float shiftX,
float shiftY,
bool leftHalf,
bool topHalf,
const QRectF& glRect);
void formatTextInfo(QString& info);
void updateSortedAnnotationMarkers();
void queueRequestCenterFrequency(qint64 frequency);
static bool annotationDisplayLessThan(const SpectrumAnnotationMarker *m1, const SpectrumAnnotationMarker *m2)
{
if (m1->m_bandwidth == m2->m_bandwidth) {
return m1->m_startFrequency < m2->m_startFrequency;
} else {
return m1->m_bandwidth > m2->m_bandwidth; // larger bandwidths should come first for display (lower layer)
}
}
static bool calibrationPointsLessThan(const SpectrumCalibrationPoint& m1, const SpectrumCalibrationPoint& m2)
{
return m1.m_frequency < m2.m_frequency;
}
private slots:
void cleanup();
void tick();
void channelMarkerChanged();
void channelMarkerDestroyed(QObject* object);
void openGLDebug(const QOpenGLDebugMessage &debugMessage);
bool eventFilter(QObject *object, QEvent *event);
signals:
// Emitted when user tries to scroll to frequency currently out of range
void requestCenterFrequency(qint64 frequency);
// Emitted when annotations are changed
void updateAnnotations();
// Emitted when user ctrl-clicks on waterfall to select a time. time is in seconds.
void timeSelected(float time);
};
#endif // INCLUDE_GLSPECTRUMVIEW_H
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