quant4x4_around.c File Reference

Quantization process for a 4x4 block. More...

#include "contributors.h"
#include <math.h>
#include "global.h"
#include "image.h"
#include "mb_access.h"
#include "vlc.h"
#include "transform.h"
#include "mc_prediction.h"
#include "q_offsets.h"
#include "q_matrix.h"
#include "quant4x4.h"

Include dependency graph for quant4x4_around.c:

Go to the source code of this file.

Functions
int	quant_4x4_around (Macroblock *currMB, int **tblock, struct quant_methods *q_method)
int	quant_ac4x4_around (Macroblock *currMB, int **tblock, struct quant_methods *q_method, int type)
int	quant_dc4x4_around (Macroblock *currMB, int **tblock, int qp, int *DCLevel, int *DCRun, LevelQuantParams *q_params_4x4, const byte(*pos_scan)[2])

---

Detailed Description

Quantization process for a 4x4 block.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

• Alexis Michael Tourapis <alexismt@ieee.org>
• Limin Liu <limin.liu@dolby.com>

Definition in file quant4x4_around.c.

---

Function Documentation

int quant_4x4_around	(	Macroblock *	currMB,
		int **	tblock,
		struct quant_methods *	q_method
	)

Quantization process for All coefficients for a 4x4 block.

Definition at line 40 of file quant4x4_around.c.

References MAX_VALUE, macroblock::p_Img, and macroblock::p_slice.

Referenced by init_quant_4x4().

int quant_dc4x4_around	(	Macroblock *	currMB,
		int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		LevelQuantParams *	q_params_4x4,
		const byte(*)	pos_scan[2]
	)

Quantization process for All coefficients for a 4x4 DC block.

Definition at line 219 of file quant4x4_around.c.

References macroblock::p_Img, and macroblock::p_slice.