FFTFileCache Class Reference

#include <FFTFileCache.h>

Inheritance diagram for FFTFileCache:

[legend]Collaboration diagram for FFTFileCache:

Detailed Description

Definition at line 24 of file FFTFileCache.h.

Public Types

enum StorageType { Compact, Rectangular, Polar }

enum Type { MemoryCache, FileCache }

Public Member Functions

FFTFileCache (QString fileBase, MatrixFile::Mode mode, StorageType storageType)

virtual ~FFTFileCache ()

MatrixFile::Mode getMode () const

virtual size_t getWidth () const

virtual size_t getHeight () const

virtual void resize (size_t width, size_t height)

virtual void reset ()

virtual float getMagnitudeAt (size_t x, size_t y) const

virtual float getNormalizedMagnitudeAt (size_t x, size_t y) const

virtual float getMaximumMagnitudeAt (size_t x) const

virtual float getPhaseAt (size_t x, size_t y) const

virtual void getValuesAt (size_t x, size_t y, float &real, float &imag) const

virtual bool haveSetColumnAt (size_t x) const

virtual void setColumnAt (size_t x, float *mags, float *phases, float factor)

virtual void setColumnAt (size_t x, float *reals, float *imags)

virtual void suspend ()

virtual Type getType ()

Static Public Member Functions

static size_t getCacheSize (size_t width, size_t height, StorageType type)

Protected Member Functions

float getFromReadBufStandard (size_t x, size_t y) const

float getFromReadBufCompactUnsigned (size_t x, size_t y) const

float getFromReadBufCompactSigned (size_t x, size_t y) const

void populateReadBuf (size_t x) const

float getNormalizationFactor (size_t col) const

void setNormalizationFactorToWritebuf (float newfactor)

Protected Attributes

char * m_writebuf

char * m_readbuf

size_t m_readbufCol

size_t m_readbufWidth

MatrixFile * m_mfc

QMutex m_writeMutex

StorageType m_storageType

size_t m_factorSize

Member Enumeration Documentation

enum FFTFileCache::StorageType

Enumerator:

Compact
Rectangular
Polar

Definition at line 27 of file FFTFileCache.h.

enum FFTCache::Type [inherited]

Enumerator:

MemoryCache
FileCache

Definition at line 52 of file FFTCache.h.

Constructor & Destructor Documentation

FFTFileCache::FFTFileCache	(	QString	fileBase,
		MatrixFile::Mode	mode,
		StorageType	storageType
	)

Definition at line 32 of file FFTFileCache.cpp.

FFTFileCache::~FFTFileCache ( ) [virtual]

Definition at line 48 of file FFTFileCache.cpp.

References m_mfc, m_readbuf, and m_writebuf.

Member Function Documentation

MatrixFile::Mode FFTFileCache::getMode ( ) const [inline]

Definition at line 37 of file FFTFileCache.h.

References MatrixFile::getMode(), and m_mfc.

size_t FFTFileCache::getWidth ( ) const [virtual]

Implements FFTCache.

Definition at line 56 of file FFTFileCache.cpp.

References MatrixFile::getWidth(), and m_mfc.

size_t FFTFileCache::getHeight ( ) const [virtual]

Implements FFTCache.

Definition at line 62 of file FFTFileCache.cpp.

References MatrixFile::getHeight(), m_factorSize, and m_mfc.

Referenced by setColumnAt().

void FFTFileCache::resize	(	size_t	width,
		size_t	height
	)			`[virtual]`

Implements FFTCache.

Definition at line 70 of file FFTFileCache.cpp.

References MatrixFile::getCellSize(), m_factorSize, m_mfc, m_readbuf, m_writebuf, m_writeMutex, and MatrixFile::resize().

void FFTFileCache::reset ( ) [virtual]

Implements FFTCache.

Definition at line 86 of file FFTFileCache.cpp.

References m_mfc, and MatrixFile::reset().

float FFTFileCache::getMagnitudeAt	(	size_t	x,
		size_t	y
	)			const `[virtual]`

Implements FFTCache.

Definition at line 92 of file FFTFileCache.cpp.

References Compact, getFromReadBufCompactUnsigned(), getFromReadBufStandard(), getNormalizationFactor(), getValuesAt(), m_storageType, Polar, and Rectangular.

Referenced by getNormalizedMagnitudeAt(), and getValuesAt().

float FFTFileCache::getNormalizedMagnitudeAt	(	size_t	x,
		size_t	y
	)			const `[virtual]`

Implements FFTCache.

Definition at line 122 of file FFTFileCache.cpp.

References Compact, getFromReadBufCompactUnsigned(), getMagnitudeAt(), getNormalizationFactor(), and m_storageType.

float FFTFileCache::getMaximumMagnitudeAt ( size_t x ) const [virtual]

Implements FFTCache.

Definition at line 146 of file FFTFileCache.cpp.

References getNormalizationFactor().

float FFTFileCache::getPhaseAt	(	size_t	x,
		size_t	y
	)			const `[virtual]`

Implements FFTCache.

Definition at line 152 of file FFTFileCache.cpp.

References Compact, getFromReadBufCompactSigned(), getFromReadBufStandard(), getValuesAt(), m_storageType, Polar, princargf(), and Rectangular.

Referenced by getValuesAt().

void FFTFileCache::getValuesAt	(	size_t	x,
		size_t	y,
		float &	real,
		float &	imag
	)			const `[virtual]`

Implements FFTCache.

Definition at line 179 of file FFTFileCache.cpp.

References getFromReadBufStandard(), getMagnitudeAt(), getPhaseAt(), m_storageType, and Rectangular.

Referenced by getMagnitudeAt(), and getPhaseAt().

bool FFTFileCache::haveSetColumnAt ( size_t x ) const [virtual]

Implements FFTCache.

Definition at line 198 of file FFTFileCache.cpp.

References MatrixFile::haveSetColumnAt(), and m_mfc.

void FFTFileCache::setColumnAt	(	size_t	x,
		float *	mags,
		float *	phases,
		float	factor
	)			`[virtual]`

Implements FFTCache.

Definition at line 204 of file FFTFileCache.cpp.

References Compact, getHeight(), m_mfc, m_storageType, m_writebuf, m_writeMutex, Polar, Rectangular, MatrixFile::setColumnAt(), and setNormalizationFactorToWritebuf().

void FFTFileCache::setColumnAt	(	size_t	x,
		float *	reals,
		float *	imags
	)			`[virtual]`

Implements FFTCache.

Definition at line 244 of file FFTFileCache.cpp.

References Compact, getHeight(), m_mfc, m_storageType, m_writebuf, m_writeMutex, Polar, princargf(), Rectangular, MatrixFile::setColumnAt(), and setNormalizationFactorToWritebuf().

virtual void FFTFileCache::suspend ( ) [inline, virtual]

Reimplemented from FFTCache.

Definition at line 57 of file FFTFileCache.h.

References m_mfc, and MatrixFile::suspend().

size_t FFTFileCache::getCacheSize	(	size_t	width,
		size_t	height,
		StorageType	type
	)			`[static]`

Definition at line 297 of file FFTFileCache.cpp.

References Compact.

virtual Type FFTFileCache::getType ( ) [inline, virtual]

Implements FFTCache.

Definition at line 61 of file FFTFileCache.h.

References FFTCache::FileCache.

float FFTFileCache::getFromReadBufStandard	(	size_t	x,
		size_t	y
	)			const `[inline, protected]`

Definition at line 69 of file FFTFileCache.h.

References MatrixFile::getHeight(), m_mfc, m_readbuf, m_readbufCol, m_readbufWidth, and populateReadBuf().

Referenced by getMagnitudeAt(), getNormalizationFactor(), getPhaseAt(), and getValuesAt().

float FFTFileCache::getFromReadBufCompactUnsigned	(	size_t	x,
		size_t	y
	)			const `[inline, protected]`

Definition at line 79 of file FFTFileCache.h.

References MatrixFile::getHeight(), m_mfc, m_readbuf, m_readbufCol, m_readbufWidth, and populateReadBuf().

Referenced by getMagnitudeAt(), and getNormalizedMagnitudeAt().

float FFTFileCache::getFromReadBufCompactSigned	(	size_t	x,
		size_t	y
	)			const `[inline, protected]`

Definition at line 89 of file FFTFileCache.h.

References MatrixFile::getHeight(), m_mfc, m_readbuf, m_readbufCol, m_readbufWidth, and populateReadBuf().

Referenced by getPhaseAt().

void FFTFileCache::populateReadBuf ( size_t x ) const [protected]

Definition at line 305 of file FFTFileCache.cpp.

References MatrixFile::getCellSize(), MatrixFile::getColumnAt(), MatrixFile::getHeight(), MatrixFile::haveSetColumnAt(), m_mfc, m_readbuf, m_readbufCol, and m_readbufWidth.

Referenced by getFromReadBufCompactSigned(), getFromReadBufCompactUnsigned(), getFromReadBufStandard(), and getNormalizationFactor().

float FFTFileCache::getNormalizationFactor ( size_t col ) const [inline, protected]

Definition at line 101 of file FFTFileCache.h.

References Compact, getFromReadBufStandard(), MatrixFile::getHeight(), m_factorSize, m_mfc, m_readbuf, m_readbufCol, m_readbufWidth, m_storageType, and populateReadBuf().

Referenced by getMagnitudeAt(), getMaximumMagnitudeAt(), and getNormalizedMagnitudeAt().

void FFTFileCache::setNormalizationFactorToWritebuf ( float newfactor ) [inline, protected]

Definition at line 123 of file FFTFileCache.h.

References Compact, MatrixFile::getHeight(), m_factorSize, m_mfc, m_storageType, and m_writebuf.

Referenced by setColumnAt().

Member Data Documentation

char* FFTFileCache::m_writebuf [protected]

Definition at line 64 of file FFTFileCache.h.

Referenced by resize(), setColumnAt(), setNormalizationFactorToWritebuf(), and ~FFTFileCache().

char* FFTFileCache::m_readbuf [mutable, protected]

Definition at line 65 of file FFTFileCache.h.

Referenced by getFromReadBufCompactSigned(), getFromReadBufCompactUnsigned(), getFromReadBufStandard(), getNormalizationFactor(), populateReadBuf(), resize(), and ~FFTFileCache().

size_t FFTFileCache::m_readbufCol [mutable, protected]

Definition at line 66 of file FFTFileCache.h.

Referenced by getFromReadBufCompactSigned(), getFromReadBufCompactUnsigned(), getFromReadBufStandard(), getNormalizationFactor(), and populateReadBuf().

size_t FFTFileCache::m_readbufWidth [mutable, protected]

Definition at line 67 of file FFTFileCache.h.

Referenced by getFromReadBufCompactSigned(), getFromReadBufCompactUnsigned(), getFromReadBufStandard(), getNormalizationFactor(), and populateReadBuf().

MatrixFile* FFTFileCache::m_mfc [protected]

Definition at line 139 of file FFTFileCache.h.

Referenced by getFromReadBufCompactSigned(), getFromReadBufCompactUnsigned(), getFromReadBufStandard(), getHeight(), getMode(), getNormalizationFactor(), getWidth(), haveSetColumnAt(), populateReadBuf(), reset(), resize(), setColumnAt(), setNormalizationFactorToWritebuf(), suspend(), and ~FFTFileCache().

QMutex FFTFileCache::m_writeMutex [protected]

Definition at line 140 of file FFTFileCache.h.

Referenced by resize(), and setColumnAt().

StorageType FFTFileCache::m_storageType [protected]

Definition at line 141 of file FFTFileCache.h.

Referenced by getMagnitudeAt(), getNormalizationFactor(), getNormalizedMagnitudeAt(), getPhaseAt(), getValuesAt(), setColumnAt(), and setNormalizationFactorToWritebuf().

size_t FFTFileCache::m_factorSize [protected]

Definition at line 142 of file FFTFileCache.h.

Referenced by getHeight(), getNormalizationFactor(), resize(), and setNormalizationFactorToWritebuf().

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

Generated on Wed Feb 20 15:45:33 2008 for SonicVisualiser by

1.5.1


Public Types
enum	StorageType { Compact, Rectangular, Polar }
enum	Type { MemoryCache, FileCache }
Public Member Functions
	FFTFileCache (QString fileBase, MatrixFile::Mode mode, StorageType storageType)
virtual	~FFTFileCache ()
MatrixFile::Mode	getMode () const
virtual size_t	getWidth () const
virtual size_t	getHeight () const
virtual void	resize (size_t width, size_t height)
virtual void	reset ()
virtual float	getMagnitudeAt (size_t x, size_t y) const
virtual float	getNormalizedMagnitudeAt (size_t x, size_t y) const
virtual float	getMaximumMagnitudeAt (size_t x) const
virtual float	getPhaseAt (size_t x, size_t y) const
virtual void	getValuesAt (size_t x, size_t y, float &real, float &imag) const
virtual bool	haveSetColumnAt (size_t x) const
virtual void	setColumnAt (size_t x, float mags, float phases, float factor)
virtual void	setColumnAt (size_t x, float reals, float imags)
virtual void	suspend ()
virtual Type	getType ()
Static Public Member Functions
static size_t	getCacheSize (size_t width, size_t height, StorageType type)
Protected Member Functions
float	getFromReadBufStandard (size_t x, size_t y) const
float	getFromReadBufCompactUnsigned (size_t x, size_t y) const
float	getFromReadBufCompactSigned (size_t x, size_t y) const
void	populateReadBuf (size_t x) const
float	getNormalizationFactor (size_t col) const
void	setNormalizationFactorToWritebuf (float newfactor)
Protected Attributes
char *	m_writebuf
char *	m_readbuf
size_t	m_readbufCol
size_t	m_readbufWidth
MatrixFile *	m_mfc
QMutex	m_writeMutex
StorageType	m_storageType
size_t	m_factorSize