aacenc_pred.c File Reference

AAC encoder main-type prediction. More...

#include "aactab.h"
#include "aacenc_pred.h"
#include "aacenc_utils.h"
#include "aacenc_is.h"
#include "aacenc_quantization.h"

Go to the source code of this file.

Macros
#define	RESTORE_PRED(sce, sfb)

Functions
static float	flt16_round (float pf)
static float	flt16_even (float pf)
static float	flt16_trunc (float pf)
static void	predict (PredictorState *ps, float *coef, float *rcoef, int set)
static void	reset_predict_state (PredictorState *ps)
static void	reset_all_predictors (PredictorState *ps)
static void	reset_predictor_group (SingleChannelElement *sce, int group_num)
void	ff_aac_apply_main_pred (AACEncContext *s, SingleChannelElement *sce)
static int	update_counters (IndividualChannelStream *ics, int inc)
void	ff_aac_adjust_common_pred (AACEncContext *s, ChannelElement *cpe)
static void	update_pred_resets (SingleChannelElement *sce)
void	ff_aac_search_for_pred (AACEncContext *s, SingleChannelElement *sce)
void	ff_aac_encode_main_pred (AACEncContext *s, SingleChannelElement *sce)
	Encoder predictors data. More...

Detailed Description

AAC encoder main-type prediction.

Author

Rostislav Pehlivanov ( atomnuker gmail com )

Definition in file aacenc_pred.c.

Macro Definition Documentation

#define RESTORE_PRED	(		sce,
			sfb
	)

Value:

if (sce->ics.prediction_used[sfb]) {\
            sce->ics.prediction_used[sfb] = 0;\
            sce->band_type[sfb] = sce->band_alt[sfb];\
        }

Definition at line 34 of file aacenc_pred.c.

Referenced by ff_aac_adjust_common_pred(), and ff_aac_search_for_pred().

Function Documentation

static float flt16_round ( float  pf )

inlinestatic

Definition at line 40 of file aacenc_pred.c.

Referenced by predict().

static float flt16_even ( float  pf )

inlinestatic

Definition at line 48 of file aacenc_pred.c.

Referenced by predict().

static float flt16_trunc ( float  pf )

inlinestatic

Definition at line 56 of file aacenc_pred.c.

Referenced by predict().

static void predict ( PredictorState *  ps, float *  coef, float *  rcoef, int  set  )

inlinestatic

Definition at line 64 of file aacenc_pred.c.

Referenced by ff_aac_apply_main_pred().

static void reset_predict_state ( PredictorState *  ps )

inlinestatic

Definition at line 92 of file aacenc_pred.c.

Referenced by reset_all_predictors(), and reset_predictor_group().

static void reset_all_predictors ( PredictorState *  ps )

inlinestatic

Definition at line 104 of file aacenc_pred.c.

Referenced by ff_aac_apply_main_pred(), and ff_aac_search_for_pred().

static void reset_predictor_group ( SingleChannelElement *  sce, int  group_num  )

inlinestatic

Definition at line 111 of file aacenc_pred.c.

Referenced by ff_aac_apply_main_pred().

void ff_aac_apply_main_pred	(	AACEncContext *	s,
		SingleChannelElement *	sce
	)

Definition at line 119 of file aacenc_pred.c.

static int update_counters ( IndividualChannelStream *  ics, int  inc  )

inlinestatic

Definition at line 140 of file aacenc_pred.c.

Referenced by update_pred_resets().

void ff_aac_adjust_common_pred	(	AACEncContext *	s,
		ChannelElement *	cpe
	)

Definition at line 151 of file aacenc_pred.c.

static void update_pred_resets ( SingleChannelElement *  sce )

static

Definition at line 207 of file aacenc_pred.c.

Referenced by ff_aac_search_for_pred().

void ff_aac_search_for_pred	(	AACEncContext *	s,
		SingleChannelElement *	sce
	)

Definition at line 233 of file aacenc_pred.c.

void ff_aac_encode_main_pred	(	AACEncContext *	s,
		SingleChannelElement *	sce
	)

Encoder predictors data.

Definition at line 332 of file aacenc_pred.c.