Main structure for powermap. More...

#include <powermap_internal.h>

Data Fields
int	FIFO_idx
	FIFO buffer index.

float	inFIFO [MAX_NUM_SH_SIGNALS][POWERMAP_FRAME_SIZE]
	Input FIFO buffer.

float **	SHframeTD
	time-domain SH input frame; MAX_NUM_SH_SIGNALS x POWERMAP_FRAME_SIZE

float_complex ***	SHframeTF
	time-frequency domain SH input frame; HYBRID_BANDS x MAX_NUM_SH_SIGNALS x TIME_SLOTS

void *	hSTFT
	afSTFT handle

float	freqVector [HYBRID_BANDS]
	Frequency vector (filterbank centre frequencies)

float	fs
	Host sample rate, in Hz.

int	isFirstInit
	Flag.

float_complex	Cx [HYBRID_BANDS][MAX_NUM_SH_SIGNALS *MAX_NUM_SH_SIGNALS]
	covariance matrices per band

_Atomic_INT32	new_masterOrder
	New maximum/master SH analysis order (current value will be replaced by this after next re-init)

_Atomic_INT32	dispWidth
	Number of pixels on the horizontal in the 2D interpolated powermap image.

_Atomic_CODEC_STATUS	codecStatus
	see CODEC_STATUS

_Atomic_PROC_STATUS	procStatus
	see PROC_STATUS

_Atomic_FLOAT32	progressBar0_1
	Current (re)initialisation progress, between [0..1].

char *	progressBarText
	Current (re)initialisation step, string.

powermap_codecPars *	pars
	codec parameters

float *	pmap
	grid_nDirs x 1

float *	prev_pmap
	grid_nDirs x 1

float *	pmap_grid [NUM_DISP_SLOTS]
	powermap interpolated to grid; interp_nDirs x 1

_Atomic_INT32	dispSlotIdx
	Current display slot.

float	pmap_grid_minVal
	Current minimum value in pmap (used to normalise [0..1])

float	pmap_grid_maxVal
	Current maximum value in pmap (used to normalise [0..1])

_Atomic_INT32	recalcPmap
	set this to 1 to generate a new powermap

_Atomic_INT32	pmapReady
	0: powermap not started yet, 1: powermap is ready for plotting

_Atomic_INT32	masterOrder
	Current maximum/master SH analysis order.

_Atomic_INT32	analysisOrderPerBand [HYBRID_BANDS]
	SH analysis order per frequency band.

_Atomic_FLOAT32	pmapEQ [HYBRID_BANDS]
	Equalisation/weights per band.

_Atomic_HFOV_OPTIONS	HFOVoption
	see HFOV_OPTIONS

_Atomic_ASPECT_RATIO_OPTIONS	aspectRatioOption
	see ASPECT_RATIO_OPTIONS

_Atomic_FLOAT32	covAvgCoeff
	Covariance matrix averaging coefficient, [0..1].

_Atomic_FLOAT32	pmapAvgCoeff
	Powermap averaging coefficient, [0..1].

_Atomic_INT32	nSources
	Current number of sources (used for MUSIC)

_Atomic_POWERMAP_MODES	pmap_mode
	see POWERMAP_MODES

_Atomic_CH_ORDER	chOrdering
	Ambisonic channel order convention (see CH_ORDER)

_Atomic_NORM_TYPES	norm
	Ambisonic normalisation convention (see NORM_TYPES)

Detailed Description

Main structure for powermap.

Contains variables for audio buffers, internal variables, flags, user parameters

Definition at line 93 of file powermap_internal.h.

Field Documentation

◆ analysisOrderPerBand

_Atomic_INT32 powermap_data::analysisOrderPerBand[HYBRID_BANDS]

SH analysis order per frequency band.

Definition at line 131 of file powermap_internal.h.

◆ aspectRatioOption

_Atomic_ASPECT_RATIO_OPTIONS powermap_data::aspectRatioOption

see ASPECT_RATIO_OPTIONS

Definition at line 134 of file powermap_internal.h.

◆ chOrdering

_Atomic_CH_ORDER powermap_data::chOrdering

Ambisonic channel order convention (see CH_ORDER)

Definition at line 139 of file powermap_internal.h.

◆ codecStatus

_Atomic_CODEC_STATUS powermap_data::codecStatus

see CODEC_STATUS

Definition at line 113 of file powermap_internal.h.

◆ covAvgCoeff

_Atomic_FLOAT32 powermap_data::covAvgCoeff

Covariance matrix averaging coefficient, [0..1].

Definition at line 135 of file powermap_internal.h.

◆ Cx

float_complex powermap_data::Cx[HYBRID_BANDS][MAX_NUM_SH_SIGNALS *MAX_NUM_SH_SIGNALS]

covariance matrices per band

Definition at line 108 of file powermap_internal.h.

◆ dispSlotIdx

_Atomic_INT32 powermap_data::dispSlotIdx

Current display slot.

Definition at line 123 of file powermap_internal.h.

◆ dispWidth

_Atomic_INT32 powermap_data::dispWidth

Number of pixels on the horizontal in the 2D interpolated powermap image.

Definition at line 110 of file powermap_internal.h.

◆ FIFO_idx

int powermap_data::FIFO_idx

FIFO buffer index.

Definition at line 96 of file powermap_internal.h.

◆ freqVector

float powermap_data::freqVector[HYBRID_BANDS]

Frequency vector (filterbank centre frequencies)

Definition at line 103 of file powermap_internal.h.

◆ fs

float powermap_data::fs

Host sample rate, in Hz.

Definition at line 104 of file powermap_internal.h.

◆ HFOVoption

_Atomic_HFOV_OPTIONS powermap_data::HFOVoption

see HFOV_OPTIONS

Definition at line 133 of file powermap_internal.h.

◆ hSTFT

void* powermap_data::hSTFT

afSTFT handle

Definition at line 102 of file powermap_internal.h.

◆ inFIFO

float powermap_data::inFIFO[MAX_NUM_SH_SIGNALS][POWERMAP_FRAME_SIZE]

Input FIFO buffer.

Definition at line 97 of file powermap_internal.h.

◆ isFirstInit

int powermap_data::isFirstInit

Flag.

Definition at line 107 of file powermap_internal.h.

◆ masterOrder

_Atomic_INT32 powermap_data::masterOrder

Current maximum/master SH analysis order.

Definition at line 130 of file powermap_internal.h.

◆ new_masterOrder

_Atomic_INT32 powermap_data::new_masterOrder

New maximum/master SH analysis order (current value will be replaced by this after next re-init)

Definition at line 109 of file powermap_internal.h.

◆ norm

_Atomic_NORM_TYPES powermap_data::norm

Ambisonic normalisation convention (see NORM_TYPES)

Definition at line 140 of file powermap_internal.h.

◆ nSources

_Atomic_INT32 powermap_data::nSources

Current number of sources (used for MUSIC)

Definition at line 137 of file powermap_internal.h.

◆ pars

powermap_codecPars* powermap_data::pars

codec parameters

Definition at line 117 of file powermap_internal.h.

◆ pmap

float* powermap_data::pmap

grid_nDirs x 1

Definition at line 120 of file powermap_internal.h.

◆ pmap_grid

float* powermap_data::pmap_grid[NUM_DISP_SLOTS]

powermap interpolated to grid; interp_nDirs x 1

Definition at line 122 of file powermap_internal.h.

◆ pmap_grid_maxVal

float powermap_data::pmap_grid_maxVal

Current maximum value in pmap (used to normalise [0..1])

Definition at line 125 of file powermap_internal.h.

◆ pmap_grid_minVal

float powermap_data::pmap_grid_minVal

Current minimum value in pmap (used to normalise [0..1])

Definition at line 124 of file powermap_internal.h.

◆ pmap_mode

_Atomic_POWERMAP_MODES powermap_data::pmap_mode

see POWERMAP_MODES

Definition at line 138 of file powermap_internal.h.

◆ pmapAvgCoeff

_Atomic_FLOAT32 powermap_data::pmapAvgCoeff

Powermap averaging coefficient, [0..1].

Definition at line 136 of file powermap_internal.h.

◆ pmapEQ

_Atomic_FLOAT32 powermap_data::pmapEQ[HYBRID_BANDS]

Equalisation/weights per band.

Definition at line 132 of file powermap_internal.h.

◆ pmapReady

_Atomic_INT32 powermap_data::pmapReady

0: powermap not started yet, 1: powermap is ready for plotting

Definition at line 127 of file powermap_internal.h.

◆ prev_pmap

float* powermap_data::prev_pmap

grid_nDirs x 1

Definition at line 121 of file powermap_internal.h.

◆ procStatus

_Atomic_PROC_STATUS powermap_data::procStatus

see PROC_STATUS

Definition at line 114 of file powermap_internal.h.

◆ progressBar0_1

_Atomic_FLOAT32 powermap_data::progressBar0_1

Current (re)initialisation progress, between [0..1].

Definition at line 115 of file powermap_internal.h.

◆ progressBarText

char* powermap_data::progressBarText

Current (re)initialisation step, string.

Definition at line 116 of file powermap_internal.h.

◆ recalcPmap

_Atomic_INT32 powermap_data::recalcPmap

set this to 1 to generate a new powermap

Definition at line 126 of file powermap_internal.h.

◆ SHframeTD

float** powermap_data::SHframeTD

time-domain SH input frame; MAX_NUM_SH_SIGNALS x POWERMAP_FRAME_SIZE

Definition at line 100 of file powermap_internal.h.

◆ SHframeTF

float_complex*** powermap_data::SHframeTF

time-frequency domain SH input frame; HYBRID_BANDS x MAX_NUM_SH_SIGNALS x TIME_SLOTS

Definition at line 101 of file powermap_internal.h.

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

examples/src/powermap/powermap_internal.h

Data Fields