codec-specific psychoacoustic model implementation More...

Data Fields
const char *	name

int(*	init )(FFPsyContext *apc)

FFPsyWindowInfo(*	window )(FFPsyContext ctx, const float audio, const float *la, int channel, int prev_type)
	Suggest window sequence for channel. More...

void(*	analyze )(FFPsyContext ctx, int channel, const float coeffs, const FFPsyWindowInfo wi)
	Perform psychoacoustic analysis and set band info (threshold, energy) for a group of channels. More...

void(*	end )(FFPsyContext *apc)

Detailed Description

codec-specific psychoacoustic model implementation

Definition at line 114 of file psymodel.h.

Field Documentation

const char* FFPsyModel::name

Definition at line 115 of file psymodel.h.

int(* FFPsyModel::init) (FFPsyContext *apc)

Definition at line 116 of file psymodel.h.

Referenced by ff_psy_init().

FFPsyWindowInfo(* FFPsyModel::window) (FFPsyContext *ctx, const float *audio, const float *la, int channel, int prev_type)

Suggest window sequence for channel.

Parameters

ctx	model context
audio	samples for the current frame
la	lookahead samples (NULL when unavailable)
channel	number of channel element to analyze
prev_type	previous window type

Definition at line 129 of file psymodel.h.

void(* FFPsyModel::analyze) (FFPsyContext *ctx, int channel, const float **coeffs, const FFPsyWindowInfo *wi)

Perform psychoacoustic analysis and set band info (threshold, energy) for a group of channels.

Parameters

ctx	model context
channel	channel number of the first channel in the group to perform analysis on
coeffs	array of pointers to the transformed coefficients
wi	window information for the channels in the group

Definition at line 139 of file psymodel.h.

void(* FFPsyModel::end) (FFPsyContext *apc)

Definition at line 141 of file psymodel.h.

Referenced by ff_psy_end().

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