FFmpeg
Data Fields
FFPsyModel Struct Reference

codec-specific psychoacoustic model implementation More...

#include <psymodel.h>

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
ctxmodel context
audiosamples for the current frame
lalookahead samples (NULL when unavailable)
channelnumber of channel element to analyze
prev_typeprevious window type
Returns
suggested window information in a structure

Definition at line 129 of file psymodel.h.

Referenced by aac_encode_frame().

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
ctxmodel context
channelchannel number of the first channel in the group to perform analysis on
coeffsarray of pointers to the transformed coefficients
wiwindow information for the channels in the group

Definition at line 139 of file psymodel.h.

Referenced by aac_encode_frame().

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: