Spectrum Class Reference

#include <mythplugins/mythmusic/mythmusic/visualize.h>

Inheritance diagram for Spectrum:

Collaboration diagram for Spectrum:

Public Member Functions
	Spectrum ()
	~Spectrum () override
void	resize (const QSize &size) override
bool	process (VisualNode *node) override
bool	processUndisplayed (VisualNode *node) override
bool	draw (QPainter *p, const QColor &back=Qt::black) override
Public Member Functions inherited from VisualBase
	VisualBase (bool screensaverenable=false)
virtual	~VisualBase (void)
virtual bool	process (VisualNode *node)=0
virtual bool	processUndisplayed (VisualNode *)
virtual bool	draw (QPainter *, const QColor &)=0
virtual void	resize (const QSize &size)=0
virtual void	handleKeyPress (const QString &action)
virtual int	getDesiredFPS (void)
virtual unsigned long	getDesiredSamples (void)

Static Protected Member Functions
static double	clamp (double cur, double max, double min)

Protected Attributes
QColor	m_startColor {Qt::blue}
QColor	m_targetColor {Qt::red}
QVector< QRect >	m_rectsL
QVector< QRect >	m_rectsR
QVector< float >	m_magnitudes
QSize	m_size
MelScale	m_scale
float	m_scaleFactor {2.0}
float	m_falloff {10.0}
int	m_analyzerBarWidth {6}
int	m_fftlen {16 * 1024}
QVector< float >	m_sigL
QVector< float >	m_sigR
float *	m_dftL { nullptr }
float *	m_dftR { nullptr }
float *	m_rdftTmp { nullptr }
AVTXContext *	m_rdftContext { nullptr }
av_tx_fn	m_rdft { nullptr }
Protected Attributes inherited from VisualBase
int	m_fps {20}
bool	m_xscreensaverenable {true}

Static Protected Attributes
static constexpr float	kTxScale { 1.0F }

Additional Inherited Members
Static Public Member Functions inherited from VisualBase
static void	drawWarning (QPainter *p, const QColor &back, QSize size, const QString &warning, int fontsize=28)

Detailed Description

Definition at line 281 of file visualize.h.

Constructor & Destructor Documentation

Spectrum()

Spectrum::Spectrum

(

)

Definition at line 1411 of file visualize.cpp.

~Spectrum()

Spectrum::~Spectrum ( )

override

Definition at line 1425 of file visualize.cpp.

Member Function Documentation

clamp()

double Spectrum::clamp ( double  cur, double  max, double  min  )

inlinestaticprotected

Definition at line 1580 of file visualize.cpp.

Referenced by draw(), and Squares::drawRect().

draw()

bool Spectrum::draw ( QPainter *  p, const QColor &  back = Qt::black  )

overridevirtual

Implements VisualBase.

Reimplemented in Squares.

Definition at line 1585 of file visualize.cpp.

process()

bool Spectrum::process ( VisualNode *  node )

overridevirtual

Implements VisualBase.

Definition at line 1474 of file visualize.cpp.

processUndisplayed()

bool Spectrum::processUndisplayed ( VisualNode *  node )

overridevirtual

Reimplemented from VisualBase.

Definition at line 1479 of file visualize.cpp.

resize()

void Spectrum::resize ( const QSize &  size )

overridevirtual

Implements VisualBase.

Reimplemented in Squares.

Definition at line 1433 of file visualize.cpp.

Referenced by Squares::resize().

Member Data Documentation

kTxScale

constexpr float Spectrum::kTxScale { 1.0F }

staticconstexprprotected

Definition at line 319 of file visualize.h.

Referenced by Spectrum().

m_analyzerBarWidth

int Spectrum::m_analyzerBarWidth {6}

protected

Definition at line 311 of file visualize.h.

Referenced by resize(), and Squares::Squares().

m_dftL

float* Spectrum::m_dftL { nullptr }

protected

Definition at line 316 of file visualize.h.

Referenced by processUndisplayed(), Spectrum(), and ~Spectrum().

m_dftR

float* Spectrum::m_dftR { nullptr }

protected

Definition at line 317 of file visualize.h.

Referenced by processUndisplayed(), Spectrum(), and ~Spectrum().

m_falloff

float Spectrum::m_falloff {10.0}

protected

Definition at line 310 of file visualize.h.

Referenced by processUndisplayed().

m_fftlen

int Spectrum::m_fftlen {16 * 1024}

protected

Definition at line 313 of file visualize.h.

Referenced by processUndisplayed(), resize(), and Spectrum().

m_magnitudes

QVector<float> Spectrum::m_magnitudes

protected

Definition at line 303 of file visualize.h.

Referenced by processUndisplayed(), and resize().

m_rdft

av_tx_fn Spectrum::m_rdft { nullptr }

protected

Definition at line 321 of file visualize.h.

Referenced by processUndisplayed(), and Spectrum().

m_rdftContext

AVTXContext* Spectrum::m_rdftContext { nullptr }

protected

Definition at line 320 of file visualize.h.

Referenced by processUndisplayed(), Spectrum(), and ~Spectrum().

m_rdftTmp

float* Spectrum::m_rdftTmp { nullptr }

protected

Definition at line 318 of file visualize.h.

Referenced by processUndisplayed(), Spectrum(), and ~Spectrum().

m_rectsL

QVector<QRect> Spectrum::m_rectsL

protected

Definition at line 301 of file visualize.h.

Referenced by draw(), Squares::draw(), Squares::drawRect(), processUndisplayed(), and resize().

m_rectsR

QVector<QRect> Spectrum::m_rectsR

protected

Definition at line 302 of file visualize.h.

Referenced by draw(), Squares::draw(), processUndisplayed(), and resize().

m_scale

MelScale Spectrum::m_scale

protected

Definition at line 305 of file visualize.h.

Referenced by processUndisplayed(), and resize().

m_scaleFactor

float Spectrum::m_scaleFactor {2.0}

protected

Definition at line 309 of file visualize.h.

Referenced by processUndisplayed(), and resize().

m_sigL

QVector<float> Spectrum::m_sigL

protected

Definition at line 314 of file visualize.h.

Referenced by processUndisplayed(), and resize().

m_sigR

QVector<float> Spectrum::m_sigR

protected

Definition at line 315 of file visualize.h.

Referenced by processUndisplayed(), and resize().

m_size

QSize Spectrum::m_size

protected

Definition at line 304 of file visualize.h.

Referenced by draw(), processUndisplayed(), and resize().

m_startColor

QColor Spectrum::m_startColor {Qt::blue}

protected

Definition at line 299 of file visualize.h.

Referenced by draw(), and Squares::drawRect().

m_targetColor

QColor Spectrum::m_targetColor {Qt::red}

protected

Definition at line 300 of file visualize.h.

Referenced by draw(), and Squares::drawRect().

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The documentation for this class was generated from the following files:

• mythplugins/mythmusic/mythmusic/visualize.h
• mythplugins/mythmusic/mythmusic/visualize.cpp