quantChroma_trellis.c File Reference

Quantization process for a Chroma block (trellis based). More...

#include "contributors.h"
#include <math.h>
#include "global.h"
#include "q_matrix.h"
#include "quant4x4.h"
#include "quantChroma.h"
#include "rdoq.h"

Include dependency graph for quantChroma_trellis.c:

Go to the source code of this file.

Functions
int	quant_dc2x2_trellis (Macroblock *currMB, int **tblock, int qp, int *DCLevel, int *DCRun, LevelQuantParams *q_params_4x4, int **fadjust, const byte(*pos_scan)[2])
int	quant_dc4x2_trellis (Macroblock *currMB, int **tblock, int qp, int *DCLevel, int *DCRun, LevelQuantParams *q_params_4x4, int **fadjust, const byte(*pos_scan)[2])
void	rdoq_dc_cr_CAVLC (Macroblock *currMB, int **tblock, int qp_per, int qp_rem, LevelQuantParams *q_params_4x4, const byte(*pos_scan)[2], int levelTrellis[], int type)
void	rdoq_dc_cr_CABAC (Macroblock *currMB, int **tblock, int qp_per, int qp_rem, LevelQuantParams *q_params_4x4, const byte(*pos_scan)[2], int levelTrellis[], int type)

---

Detailed Description

Quantization process for a Chroma block (trellis based).

Author:

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

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file quantChroma_trellis.c.

---

Function Documentation

int quant_dc2x2_trellis	(	Macroblock *	currMB,
		int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		LevelQuantParams *	q_params_4x4,
		int **	fadjust,
		const byte(*)	pos_scan[2]
	)

Quantization process for All coefficients for a 2x2 DC block.

Input:

Output:

Definition at line 37 of file quantChroma_trellis.c.

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

Referenced by init_quant_Chroma().

int quant_dc4x2_trellis	(	Macroblock *	currMB,
		int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		LevelQuantParams *	q_params_4x4,
		int **	fadjust,
		const byte(*)	pos_scan[2]
	)

Quantization process for All coefficients for a 2x2 DC block.

Input:

Output:

Definition at line 114 of file quantChroma_trellis.c.

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

Referenced by init_quant_Chroma().

void rdoq_dc_cr_CABAC	(	Macroblock *	currMB,
		int **	tblock,
		int	qp_per,
		int	qp_rem,
		LevelQuantParams *	q_params_4x4,
		const byte(*)	pos_scan[2],
		int	levelTrellis[],
		int	type
	)

Rate distortion optimized Quantization process for all coefficients in a chroma DC block.

Definition at line 215 of file quantChroma_trellis.c.

References est_write_and_store_CBP_block_bit(), est_writeRunLevel_CABAC(), init_trellis_data_DC_cr_CABAC(), img_par::lambda_md, img_par::masterQP, and macroblock::p_Img.

Referenced by init_quant_Chroma().

Here is the call graph for this function:

void rdoq_dc_cr_CAVLC	(	Macroblock *	currMB,
		int **	tblock,
		int	qp_per,
		int	qp_rem,
		LevelQuantParams *	q_params_4x4,
		const byte(*)	pos_scan[2],
		int	levelTrellis[],
		int	type
	)

Rate distortion optimized Quantization process for all coefficients in a chroma DC block.

Definition at line 186 of file quantChroma_trellis.c.

References est_RunLevel_CAVLC(), init_trellis_data_DC_cr_CAVLC(), img_par::lambda_md, img_par::masterQP, and macroblock::p_Img.

Referenced by init_quant_Chroma().

Here is the call graph for this function: