quant8x8_trellis.c File Reference

Quantization process for a 4x4 block using trellis based quantization. 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 "rdoq.h"

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Functions
void	rdoq_8x8_CABAC (int **tblock, int block_y, int block_x, int qp_per, int qp_rem, int **levelscale, int **leveloffset, const byte *p_scan, int levelTrellis[64])
void	rdoq_8x8_CAVLC (int **tblock, int block_y, int block_x, int qp_per, int qp_rem, int **levelscale, int **leveloffset, const byte *p_scan, int levelTrellis[4][16])
int	quant_8x8_trellis (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_trellis (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 4x4 block using trellis based quantization.

Author:

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

Definition in file quant8x8_trellis.c.

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Function Documentation

int quant_8x8_trellis	(	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 48 of file quant8x8_trellis.c.

References MAX_VALUE, and rdoq_8x8_CABAC().

Referenced by init_quant_8x8().

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int quant_8x8cavlc_trellis	(	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 122 of file quant8x8_trellis.c.

References MAX_VALUE, and rdoq_8x8_CAVLC().

Referenced by init_quant_8x8().

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void rdoq_8x8_CABAC	(	int **	tblock,
		int	block_y,
		int	block_x,
		int	qp_per,
		int	qp_rem,
		int **	levelscale,
		int **	leveloffset,
		const byte *	p_scan,
		int	levelTrellis[64]
	)

Rate distortion optimized Quantization process for all coefficients in a 8x8 block.

Definition at line 202 of file quant8x8_trellis.c.

References ImageParameters::current_mb_nr, est_writeRunLevel_CABAC(), ImageParameters::lambda_md, ImageParameters::masterQP, ImageParameters::mb_data, ImageParameters::nal_reference_idc, and ImageParameters::type.

Referenced by quant_8x8_trellis().

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void rdoq_8x8_CAVLC	(	int **	tblock,
		int	block_y,
		int	block_x,
		int	qp_per,
		int	qp_rem,
		int **	levelscale,
		int **	leveloffset,
		const byte *	p_scan,
		int	levelTrellis[4][16]
	)

Rate distortion optimized Quantization process for all coefficients in a 8x8 block.

Definition at line 231 of file quant8x8_trellis.c.

References ImageParameters::current_mb_nr, est_RunLevel_CAVLC(), init_trellis_data_8x8_CAVLC(), ImageParameters::lambda_md, ImageParameters::masterQP, ImageParameters::mb_data, ImageParameters::nal_reference_idc, and ImageParameters::type.

Referenced by quant_8x8cavlc_trellis().

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