FFmpeg: FFPsyModel Struct Reference

FFmpeg

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.

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.

codec-specific psychoacoustic model implementation

Definition at line 99 of file psymodel.h.

const char* FFPsyModel::name

Definition at line 100 of file psymodel.h.

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

Definition at line 101 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 114 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 124 of file psymodel.h.

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

Definition at line 126 of file psymodel.h.

Referenced by ff_psy_end().

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

Generated on Wed Jul 10 2013 23:48:36 for FFmpeg by doxygen 1.8.2