43 changes: 41 additions & 2 deletions mythplugins/mythmusic/mythmusic/visualize.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -103,8 +103,9 @@ class VisFactory
VisFactory* m_pNextVisFactory {nullptr};
};


#define RUBBERBAND 0 // NOLINT(cppcoreguidelines-macro-usage)
#define TWOCOLOUR 0 // NOLINT(cppcoreguidelines-macro-usage)
#define TWOCOLOUR 1 // NOLINT(cppcoreguidelines-macro-usage)

class StereoScope : public VisualBase
{
Expand All @@ -119,7 +120,7 @@ class StereoScope : public VisualBase
{(void) action;}

protected:
QColor m_startColor {Qt::green};
QColor m_startColor {Qt::yellow};
QColor m_targetColor {Qt::red};
std::vector<double> m_magnitudes {};
QSize m_size;
Expand All @@ -137,6 +138,44 @@ class MonoScope : public StereoScope
bool draw( QPainter *p, const QColor &back ) override; // StereoScope
};

// WaveForm - see whole track - by twitham@sbcglobal.net, 2023/01

#define WF_AUDIO_SIZE 4096 // maximum samples to process at a time
#define WF_WIDTH 1920 // image cache size, will scale to any display
#define WF_HEIGHT 1080

class WaveForm : public MonoScope
{
public:
WaveForm() = default;
~WaveForm() override;

unsigned long getDesiredSamples(void) override;
bool processUndisplayed(VisualNode *node) override;
bool process( VisualNode *node ) override;
bool draw( QPainter *p, const QColor &back ) override;
void handleKeyPress(const QString &action) override;

protected:
bool process_all_types(VisualNode *node, bool displayed);
void saveload(MusicMetadata *meta);
unsigned long m_offset {0}; // pass from process to draw
short *m_right {nullptr};
QFont m_font; // optional text overlay
bool m_showtext {1};
QImage m_image; // picture of full track
MusicMetadata *m_currentMetadata {nullptr};
unsigned long m_duration {60000};
unsigned int m_lastx {0}; // pixel tracker
unsigned int m_position {0}; // location inside pixel
short int m_minl {0}; // left range
short int m_maxl {0};
unsigned long m_sqrl {0}; // sum of squares, for RMS
short int m_minr {0}; // right range
short int m_maxr {0};
unsigned long m_sqrr {0};
};

class LogScale
{
public:
Expand Down