Collaboration diagram for fsurround_decoder::Impl:

Public Member Functions
	Impl (unsigned blocksize=8192)

	~Impl ()

float **	getInputBuffers ()

float **	getOutputBuffers ()

void	decode (float center_width, float dimension, float adaption_rate)

void	flush ()

void	sample_rate (unsigned int srate)

void	surround_coefficients (float a, float b)

void	phase_mode (unsigned mode)

void	steering_mode (bool mode)

void	separation (float front, float rear)

Private Member Functions
void	add_output (InputBufs input1, InputBufs input2, float center_width, float dimension, float adaption_rate, bool=false)

void	block_decode (InputBufs input1, InputBufs input2, OutputBufs output, float center_width, float dimension, float adaption_rate)

void	apply_filter (cfloat signal, const float flt, float *target)
	Filter the complex source signal in the frequency domain and add it to the time domain target signal. More...

Static Private Member Functions
static cfloat	polar (float a, float p)

static float	amplitude (FFTComplex z)

static float	phase (FFTComplex z)

static float	clamp_unit_mag (float x)
	Clamp the input to the interval [-1, 1], i.e. clamp the magnitude to the unit interval [0, 1]. More...

static double	get_yfs (double ampDiff, double phaseDiff)

static double	get_xfs (double ampDiff, double yfs)

Private Attributes
size_t	m_n

size_t	m_halfN

FFTContext *	m_fftContextForward {nullptr}

FFTContext *	m_fftContextReverse {nullptr}

FFTComplex *	m_dftL {nullptr}

FFTComplex *	m_dftR {nullptr}

FFTComplex *	m_src {nullptr}
	Used only in apply_filter. More...

std::vector< cfloat >	m_frontL

std::vector< cfloat >	m_frontR

std::vector< cfloat >	m_avg

std::vector< cfloat >	m_surL

std::vector< cfloat >	m_surR

std::vector< cfloat >	m_trueavg

std::vector< float >	m_xFs

std::vector< float >	m_yFs

std::vector< float >	m_wnd

std::array< std::vector< float >, 6 >	m_filter

std::array< std::vector< float >, 2 >	m_inbuf

std::array< std::vector< float >, 6 >	m_outbuf

float	m_surroundHigh {0.0F}

float	m_surroundLow {0.0F}

float	m_surroundBalance {0.0F}

float	m_surroundLevel {0.0F}

float	m_phaseOffsetL {0.0F}

float	m_phaseOffsetR {0.0F}

float	m_frontSeparation {0.0F}

float	m_rearSeparation {0.0F}

bool	m_linearSteering {false}

cfloat	m_a

cfloat	m_b

cfloat	m_c

cfloat	m_d

cfloat	m_e

cfloat	m_f

cfloat	m_g

cfloat	m_h

int	m_currentBuf

InputBufs	m_inbufs {}

OutputBufs	m_outbufs {}

Detailed Description

Definition at line 44 of file el_processor.cpp.

Constructor & Destructor Documentation

◆ Impl()

fsurround_decoder::Impl::Impl ( unsigned blocksize = 8192 )

inlineexplicit

Definition at line 48 of file el_processor.cpp.

◆ ~Impl()

fsurround_decoder::Impl::~Impl ( )

inline

Definition at line 88 of file el_processor.cpp.

Member Function Documentation

◆ getInputBuffers()

float** fsurround_decoder::Impl::getInputBuffers ( )

inline

Definition at line 96 of file el_processor.cpp.

Referenced by fsurround_decoder::getInputBuffers().

◆ getOutputBuffers()

float** fsurround_decoder::Impl::getOutputBuffers ( )

inline

Definition at line 103 of file el_processor.cpp.

Referenced by fsurround_decoder::getOutputBuffers().

◆ decode()

void fsurround_decoder::Impl::decode	(	float	center_width,
		float	dimension,
		float	adaption_rate
	)

inline

Definition at line 118 of file el_processor.cpp.

Referenced by fsurround_decoder::decode().

◆ flush()

void fsurround_decoder::Impl::flush ( )

inline

Definition at line 130 of file el_processor.cpp.

Referenced by fsurround_decoder::flush().

◆ sample_rate()

void fsurround_decoder::Impl::sample_rate ( unsigned int srate )

inline

Definition at line 140 of file el_processor.cpp.

Referenced by Impl(), and fsurround_decoder::sample_rate().

◆ surround_coefficients()

void fsurround_decoder::Impl::surround_coefficients	(	float	a,
		float	b
	)

inline

Definition at line 152 of file el_processor.cpp.

Referenced by Impl(), and fsurround_decoder::surround_coefficients().

◆ phase_mode()

void fsurround_decoder::Impl::phase_mode ( unsigned mode )

inline

Definition at line 169 of file el_processor.cpp.

Referenced by Impl(), and fsurround_decoder::phase_mode().

◆ steering_mode()

void fsurround_decoder::Impl::steering_mode ( bool mode )

inline

Definition at line 176 of file el_processor.cpp.

Referenced by Impl(), and fsurround_decoder::steering_mode().

◆ separation()

void fsurround_decoder::Impl::separation	(	float	front,
		float	rear
	)

inline

Definition at line 179 of file el_processor.cpp.

Referenced by Impl(), and fsurround_decoder::separation().

◆ polar()

static cfloat fsurround_decoder::Impl::polar	(	float	a,
		float	p
	)

inlinestaticprivate

Definition at line 186 of file el_processor.cpp.

Referenced by block_decode().

◆ amplitude()

static float fsurround_decoder::Impl::amplitude ( FFTComplex z )

inlinestaticprivate

Definition at line 187 of file el_processor.cpp.

Referenced by block_decode().

◆ phase()

static float fsurround_decoder::Impl::phase ( FFTComplex z )

inlinestaticprivate

Definition at line 188 of file el_processor.cpp.

Referenced by block_decode().

◆ clamp_unit_mag()

static float fsurround_decoder::Impl::clamp_unit_mag ( float x )

inlinestaticprivate

Clamp the input to the interval [-1, 1], i.e. clamp the magnitude to the unit interval [0, 1].

Definition at line 191 of file el_processor.cpp.

Referenced by block_decode().

◆ add_output()

void fsurround_decoder::Impl::add_output	(	InputBufs	input1,
		InputBufs	input2,
		float	center_width,
		float	dimension,
		float	adaption_rate,
		bool	= `false`
	)

inlineprivate

Definition at line 194 of file el_processor.cpp.

Referenced by decode().

◆ block_decode()

void fsurround_decoder::Impl::block_decode	(	InputBufs	input1,
		InputBufs	input2,
		OutputBufs	output,
		float	center_width,
		float	dimension,
		float	adaption_rate
	)

inlineprivate

Definition at line 201 of file el_processor.cpp.

Referenced by add_output().

◆ get_yfs()

static double fsurround_decoder::Impl::get_yfs	(	double	ampDiff,
		double	phaseDiff
	)

inlinestaticprivate

Definition at line 344 of file el_processor.cpp.

Referenced by block_decode().

◆ get_xfs()

static double fsurround_decoder::Impl::get_xfs	(	double	ampDiff,
		double	yfs
	)

inlinestaticprivate

Definition at line 357 of file el_processor.cpp.

Referenced by block_decode().

◆ apply_filter()

void fsurround_decoder::Impl::apply_filter	(	cfloat *	signal,
		const float *	flt,
		float *	target
	)

inlineprivate

Filter the complex source signal in the frequency domain and add it to the time domain target signal.

Parameters

[in]	signal	The signal, in the frequency domain, to be filtered.
[in]	flt	The filter, in the frequency domain, to be applied.
[out]	target	The signal, in the time domain, to which the filtered signal is added

Definition at line 400 of file el_processor.cpp.

Referenced by block_decode().

Member Data Documentation

◆ m_n

size_t fsurround_decoder::Impl::m_n

private

Definition at line 426 of file el_processor.cpp.

Referenced by apply_filter(), flush(), Impl(), and sample_rate().

◆ m_halfN

size_t fsurround_decoder::Impl::m_halfN

private

Definition at line 427 of file el_processor.cpp.

Referenced by apply_filter(), block_decode(), decode(), getInputBuffers(), getOutputBuffers(), and sample_rate().

◆ m_fftContextForward

FFTContext* fsurround_decoder::Impl::m_fftContextForward {nullptr}

private

Definition at line 428 of file el_processor.cpp.

Referenced by block_decode(), Impl(), and ~Impl().

◆ m_fftContextReverse

FFTContext* fsurround_decoder::Impl::m_fftContextReverse {nullptr}

private

Definition at line 429 of file el_processor.cpp.

Referenced by apply_filter(), Impl(), and ~Impl().

◆ m_dftL

FFTComplex* fsurround_decoder::Impl::m_dftL {nullptr}

private

Definition at line 431 of file el_processor.cpp.

Referenced by block_decode(), Impl(), and ~Impl().

◆ m_dftR

FFTComplex* fsurround_decoder::Impl::m_dftR {nullptr}

private

Definition at line 432 of file el_processor.cpp.

Referenced by block_decode(), Impl(), and ~Impl().

◆ m_src

FFTComplex* fsurround_decoder::Impl::m_src {nullptr}

private

Used only in apply_filter.

Definition at line 433 of file el_processor.cpp.

Referenced by apply_filter(), Impl(), and ~Impl().

◆ m_frontL

std::vector<cfloat> fsurround_decoder::Impl::m_frontL

private

Definition at line 435 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_frontR

std::vector<cfloat> fsurround_decoder::Impl::m_frontR

private

Definition at line 435 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_avg

std::vector<cfloat> fsurround_decoder::Impl::m_avg

private

Definition at line 435 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_surL

std::vector<cfloat> fsurround_decoder::Impl::m_surL

private

Definition at line 435 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_surR

std::vector<cfloat> fsurround_decoder::Impl::m_surR

private

Definition at line 435 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_trueavg

std::vector<cfloat> fsurround_decoder::Impl::m_trueavg

private

Definition at line 436 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_xFs

std::vector<float> fsurround_decoder::Impl::m_xFs

private

Definition at line 437 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_yFs

std::vector<float> fsurround_decoder::Impl::m_yFs

private

Definition at line 437 of file el_processor.cpp.

Referenced by block_decode(), and Impl().

◆ m_wnd

std::vector<float> fsurround_decoder::Impl::m_wnd

private

Definition at line 438 of file el_processor.cpp.

Referenced by apply_filter(), block_decode(), and Impl().

◆ m_filter

std::array<std::vector<float>,6> fsurround_decoder::Impl::m_filter

private

Definition at line 439 of file el_processor.cpp.

Referenced by block_decode(), Impl(), and sample_rate().

◆ m_inbuf

std::array<std::vector<float>,2> fsurround_decoder::Impl::m_inbuf

private

Definition at line 440 of file el_processor.cpp.

Referenced by decode(), flush(), getInputBuffers(), and Impl().

◆ m_outbuf

std::array<std::vector<float>,6> fsurround_decoder::Impl::m_outbuf

private

Definition at line 441 of file el_processor.cpp.

Referenced by add_output(), flush(), getOutputBuffers(), and Impl().

◆ m_surroundHigh

float fsurround_decoder::Impl::m_surroundHigh {0.0F}

private

Definition at line 443 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_surroundLow

float fsurround_decoder::Impl::m_surroundLow {0.0F}

private

Definition at line 444 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_surroundBalance

float fsurround_decoder::Impl::m_surroundBalance {0.0F}

private

Definition at line 445 of file el_processor.cpp.

Referenced by block_decode(), and surround_coefficients().

◆ m_surroundLevel

float fsurround_decoder::Impl::m_surroundLevel {0.0F}

private

Definition at line 446 of file el_processor.cpp.

Referenced by block_decode(), and surround_coefficients().

◆ m_phaseOffsetL

float fsurround_decoder::Impl::m_phaseOffsetL {0.0F}

private

Definition at line 447 of file el_processor.cpp.

Referenced by block_decode(), and phase_mode().

◆ m_phaseOffsetR

float fsurround_decoder::Impl::m_phaseOffsetR {0.0F}

private

Definition at line 448 of file el_processor.cpp.

Referenced by block_decode(), and phase_mode().

◆ m_frontSeparation

float fsurround_decoder::Impl::m_frontSeparation {0.0F}

private

Definition at line 449 of file el_processor.cpp.

Referenced by block_decode(), and separation().

◆ m_rearSeparation

float fsurround_decoder::Impl::m_rearSeparation {0.0F}

private

Definition at line 450 of file el_processor.cpp.

Referenced by block_decode(), and separation().

◆ m_linearSteering

bool fsurround_decoder::Impl::m_linearSteering {false}

private

Definition at line 451 of file el_processor.cpp.

Referenced by block_decode(), and steering_mode().

◆ m_a

cfloat fsurround_decoder::Impl::m_a

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_b

cfloat fsurround_decoder::Impl::m_b

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_c

cfloat fsurround_decoder::Impl::m_c

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_d

cfloat fsurround_decoder::Impl::m_d

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_e

cfloat fsurround_decoder::Impl::m_e

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_f

cfloat fsurround_decoder::Impl::m_f

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_g

cfloat fsurround_decoder::Impl::m_g

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_h

cfloat fsurround_decoder::Impl::m_h

private

Definition at line 452 of file el_processor.cpp.

Referenced by surround_coefficients().

◆ m_currentBuf

int fsurround_decoder::Impl::m_currentBuf

private

Definition at line 453 of file el_processor.cpp.

Referenced by apply_filter(), decode(), getInputBuffers(), getOutputBuffers(), and Impl().

◆ m_inbufs

InputBufs fsurround_decoder::Impl::m_inbufs {}

private

Definition at line 454 of file el_processor.cpp.

Referenced by getInputBuffers(), and Impl().

◆ m_outbufs

OutputBufs fsurround_decoder::Impl::m_outbufs {}

private

Definition at line 455 of file el_processor.cpp.

Referenced by getOutputBuffers(), and Impl().

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

el_processor.cpp

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Impl()

◆ ~Impl()

Member Function Documentation

◆ getInputBuffers()

◆ getOutputBuffers()

◆ decode()

◆ flush()

◆ sample_rate()

◆ surround_coefficients()

◆ phase_mode()

◆ steering_mode()

◆ separation()

◆ polar()

◆ amplitude()

◆ phase()

◆ clamp_unit_mag()

◆ add_output()

◆ block_decode()

◆ get_yfs()

◆ get_xfs()

◆ apply_filter()

Member Data Documentation

◆ m_n

◆ m_halfN

◆ m_fftContextForward

◆ m_fftContextReverse

◆ m_dftL

◆ m_dftR

◆ m_src

◆ m_frontL

◆ m_frontR

◆ m_avg

◆ m_surL

◆ m_surR

◆ m_trueavg

◆ m_xFs

◆ m_yFs

◆ m_wnd

◆ m_filter

◆ m_inbuf

◆ m_outbuf

◆ m_surroundHigh

◆ m_surroundLow

◆ m_surroundBalance

◆ m_surroundLevel

◆ m_phaseOffsetL

◆ m_phaseOffsetR

◆ m_frontSeparation

◆ m_rearSeparation

◆ m_linearSteering

◆ m_a

◆ m_b

◆ m_c

◆ m_d

◆ m_e

◆ m_f

◆ m_g

◆ m_h

◆ m_currentBuf

◆ m_inbufs

◆ m_outbufs