quant8x8_around.c File Reference

Quantization process for a 8x8 block with adaptive rounding. 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 "quant8x8.h"

Include dependency graph for quant8x8_around.c:

Go to the source code of this file.

Functions
int	quant_8x8_around (int **tblock, int block_y, int block_x, int qp, int *ACLevel, int *ACRun, int **fadjust8x8, int **levelscale, int **invlevelscale, int **leveloffset, int *coeff_cost, const byte(*pos_scan)[2], const byte *c_cost)
int	quant_8x8cavlc_around (int **tblock, int block_y, int block_x, int qp, int ***cofAC, int **fadjust8x8, int **levelscale, int **invlevelscale, int **leveloffset, int *coeff_cost, const byte(*pos_scan)[2], const byte *c_cost)

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Detailed Description

Quantization process for a 8x8 block with adaptive rounding.

Author:

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

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file quant8x8_around.c.

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Function Documentation

int quant_8x8_around	(	int **	tblock,
		int	block_y,
		int	block_x,
		int	qp,
		int *	ACLevel,
		int *	ACRun,
		int **	fadjust8x8,
		int **	levelscale,
		int **	invlevelscale,
		int **	leveloffset,
		int *	coeff_cost,
		const byte(*)	pos_scan[2],
		const byte *	c_cost
	)

Quantization process for All coefficients for a 8x8 block.

Input:

Output:

Definition at line 43 of file quant8x8_around.c.

References MAX_VALUE.

Referenced by init_quant_8x8().

int quant_8x8cavlc_around	(	int **	tblock,
		int	block_y,
		int	block_x,
		int	qp,
		int ***	cofAC,
		int **	fadjust8x8,
		int **	levelscale,
		int **	invlevelscale,
		int **	leveloffset,
		int *	coeff_cost,
		const byte(*)	pos_scan[2],
		const byte *	c_cost
	)

Quantization process for All coefficients for a 8x8 block CAVLC version.

Input:

Output:

Definition at line 121 of file quant8x8_around.c.

References MAX_VALUE.

Referenced by init_quant_8x8().