rdoq_cavlc.c File Reference

Rate Distortion Optimized Quantization based on VCEG-AH21 related to CAVLC. More...

#include "contributors.h"
#include <math.h>
#include <float.h>
#include "global.h"
#include "image.h"
#include "fmo.h"
#include "macroblock.h"
#include "mb_access.h"
#include "ratectl.h"
#include "rdoq.h"
#include "block.h"

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Functions
int	estSyntaxElement_Level_VLC1 (SyntaxElement *se)
int	estSyntaxElement_Level_VLCN (SyntaxElement *se, int vlc)
int	cmp (const void *arg1, const void *arg2)
int	est_CAVLC_bits (levelDataStruct *levelData, int level_to_enc[16], int sign_to_enc[16], int nnz, int block_type)
void	est_RunLevel_CAVLC (levelDataStruct *levelData, int *levelTrellis, int block_type, int b8, int b4, int coeff_num, double lambda)
void	init_trellis_data_4x4_CAVLC (int **tblock, int block_x, int qp_per, int qp_rem, int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB, levelDataStruct *dataLevel, int type)
void	init_trellis_data_DC_CAVLC (int **tblock, int qp_per, int qp_rem, int levelscale, int leveloffset, const byte *p_scan, Macroblock *currMB, levelDataStruct *dataLevel, int type)
void	init_trellis_data_8x8_CAVLC (int **tblock, int block_x, int qp_per, int qp_rem, int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB, levelDataStruct levelData[4][16])
Variables
const int	estErr4x4 [6][4][4]
const int	estErr8x8 [6][8][8]

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Detailed Description

Rate Distortion Optimized Quantization based on VCEG-AH21 related to CAVLC.

Definition in file rdoq_cavlc.c.

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Function Documentation

int est_CAVLC_bits	(	levelDataStruct *	levelData,
		int	level_to_enc[16],
		int	sign_to_enc[16],
		int	nnz,
		int	block_type
	)

estimate CAVLC bits

Definition at line 96 of file rdoq_cavlc.c.

References estSyntaxElement_Level_VLC1(), estSyntaxElement_Level_VLCN(), syntaxelement::len, ImageParameters::num_cdc_coeff, syntaxelement::value1, syntaxelement::value2, and ImageParameters::yuv_format.

Referenced by est_RunLevel_CAVLC().

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void est_RunLevel_CAVLC	(	levelDataStruct *	levelData,
		int *	levelTrellis,
		int	block_type,
		int	b8,
		int	b4,
		int	coeff_num,
		double	lambda
	)

estimate run and level for CAVLC

Definition at line 389 of file rdoq_cavlc.c.

References ImageParameters::current_mb_nr, est_CAVLC_bits(), ImageParameters::mb_data, ImageParameters::nz_coeff, predict_nnz(), predict_nnz_chroma(), ImageParameters::subblock_x, and ImageParameters::subblock_y.

Referenced by rdoq_4x4_CAVLC(), rdoq_8x8_CAVLC(), rdoq_ac4x4_CAVLC(), rdoq_dc_CAVLC(), and rdoq_dc_cr_CAVLC().

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int estSyntaxElement_Level_VLC1

(

SyntaxElement *

se

)

estimate VLC for Coeff Level

Definition at line 33 of file rdoq_cavlc.c.

References syntaxelement::len, and syntaxelement::value1.

Referenced by est_CAVLC_bits().

int estSyntaxElement_Level_VLCN	(	SyntaxElement *	se,
		int	vlc
	)

estimate VLC for Coeff Level

Definition at line 65 of file rdoq_cavlc.c.

References syntaxelement::len, and syntaxelement::value1.

Referenced by est_CAVLC_bits().

void init_trellis_data_4x4_CAVLC	(	int **	tblock,
		int	block_x,
		int	qp_per,
		int	qp_rem,
		int **	levelscale,
		int **	leveloffset,
		const byte *	p_scan,
		Macroblock *	currMB,
		levelDataStruct *	dataLevel,
		int	type
	)

Initialize levelData.

Definition at line 485 of file rdoq_cavlc.c.

Referenced by rdoq_4x4_CAVLC(), and rdoq_ac4x4_CAVLC().

void init_trellis_data_8x8_CAVLC	(	int **	tblock,
		int	block_x,
		int	qp_per,
		int	qp_rem,
		int **	levelscale,
		int **	leveloffset,
		const byte *	p_scan,
		Macroblock *	currMB,
		levelDataStruct	levelData[4][16]
	)

Initialize levelData.

Definition at line 645 of file rdoq_cavlc.c.

Referenced by rdoq_8x8_CAVLC().

void init_trellis_data_DC_CAVLC	(	int **	tblock,
		int	qp_per,
		int	qp_rem,
		int	levelscale,
		int	leveloffset,
		const byte *	p_scan,
		Macroblock *	currMB,
		levelDataStruct *	dataLevel,
		int	type
	)

Initialize levelData for Luma DC.

Definition at line 567 of file rdoq_cavlc.c.

Referenced by rdoq_dc_CAVLC().