q_around.c File Reference

Quantization Adaptive Rounding (JVT-N011). More...

#include "global.h"
#include "memalloc.h"
#include "q_offsets.h"
#include "q_around.h"

Include dependency graph for q_around.c:

Go to the source code of this file.

Functions
void	store_adaptive_rounding_4x4 (ImageParameters *img, int ****ARCofAdj, int mode, int block_y, int block_x)
void	update_adaptive_rounding_4x4 (ImageParameters *img, int ****ARCofAdj, int mode, int block_y, int block_x)
void	store_adaptive_rounding_16x16 (ImageParameters *img, int ****ARCofAdj, int mode)
void	update_adaptive_rounding_16x16 (ImageParameters *img, int ****ARCofAdj, int mode)
void	update_offset_params (Macroblock *currMB, int mode, int luma_transform_size_8x8_flag)
void	reset_adaptive_rounding ()
void	reset_adaptive_rounding_direct ()
void	update_adaptive_rounding_8x8 (RD_8x8DATA *dataTr, int ****ARCofAdj)
Variables
static const int	AdaptRndCrPos [2][5]
static const int	AdaptRndPos [4][5]
int **	fadjust8x8 = NULL
int **	fadjust4x4 = NULL
int ***	fadjust4x4Cr = NULL
int ***	fadjust8x8Cr = NULL

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Detailed Description

Quantization Adaptive Rounding (JVT-N011).

Author:

• Alexis Michael Tourapis <alexismt@ieee.org>
• Ehsan Maani <emaan@dolby.com>

Definition in file q_around.c.

---

Function Documentation

void reset_adaptive_rounding

(

)

resets adaptive rounding params to zero

Definition at line 230 of file q_around.c.

References ImageParameters::ARCofAdj4x4, ImageParameters::ARCofAdj8x8, ImageParameters::P444_joined, YUV400, and ImageParameters::yuv_format.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

void reset_adaptive_rounding_direct

(

)

resets adaptive rounding params for the direct mode to zero

Definition at line 245 of file q_around.c.

References ImageParameters::ARCofAdj4x4, ImageParameters::ARCofAdj8x8, ImageParameters::P444_joined, YUV400, and ImageParameters::yuv_format.

Referenced by compute_mode_RD_cost().

void store_adaptive_rounding_16x16	(	ImageParameters *	img,
		int ****	ARCofAdj,
		int	mode
	)

copy data from to a temporary location

Definition at line 98 of file q_around.c.

References ImageParameters::P444_joined.

Referenced by store_macroblock_parameters().

void store_adaptive_rounding_4x4	(	ImageParameters *	img,
		int ****	ARCofAdj,
		int	mode,
		int	block_y,
		int	block_x
	)

copy data from to a temporary location

Definition at line 45 of file q_around.c.

References ImageParameters::P444_joined.

Referenced by Mode_Decision_for_4x4IntraBlocks_JM_High().

void update_adaptive_rounding_16x16	(	ImageParameters *	img,
		int ****	ARCofAdj,
		int	mode
	)

copy data from a temporary location to the actual location

Definition at line 115 of file q_around.c.

References ImageParameters::P444_joined.

Referenced by compute_mode_RD_cost().

void update_adaptive_rounding_4x4	(	ImageParameters *	img,
		int ****	ARCofAdj,
		int	mode,
		int	block_y,
		int	block_x
	)

copy data from a temporary location to the actual location

Definition at line 72 of file q_around.c.

References ImageParameters::P444_joined.

Referenced by Mode_Decision_for_4x4IntraBlocks_JM_High().

void update_adaptive_rounding_8x8	(	RD_8x8DATA *	dataTr,
		int ****	ARCofAdj
	)

copy data from a temporary location to the actual location for mode P8x8

Definition at line 264 of file q_around.c.

References InputParameters::AdaptiveRounding, and ImageParameters::P444_joined.

Referenced by submacroblock_mode_decision(), and submacroblock_mode_decision_low().

void update_offset_params	(	Macroblock *	currMB,
		int	mode,
		int	luma_transform_size_8x8_flag
	)

update rounding offsets based on JVT-N011

Definition at line 134 of file q_around.c.

References InputParameters::AdaptRndChroma, InputParameters::AdaptRoundingFixed, ImageParameters::ARCofAdj4x4, ImageParameters::ARCofAdj8x8, ImageParameters::bitdepth_luma_qp_scale, ImageParameters::colour_plane_id, ImageParameters::mb_cr_size_x, ImageParameters::mb_cr_size_y, ImageParameters::P444_joined, macroblock::qp, ImageParameters::type, YUV420, YUV422, YUV444, and ImageParameters::yuv_format.

Referenced by encode_one_macroblock_low(), and set_stored_macroblock_parameters().

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Variable Documentation

const int AdaptRndCrPos[2][5] [static]

Initial value:

{
  
  {   4,   7,   1,   4,   1}, 
  {  10,  13,  10,  10,  10}  
}

Definition at line 20 of file q_around.c.

const int AdaptRndPos[4][5] [static]

Initial value:

{
  
  {   3,   6,   0,   3,   0}, 
  {   1,   2,   0,   1,   2}, 
  {   9,  12,   9,   9,   9}, 
  {   3,   4,   3,   3,   3}, 
}

Definition at line 27 of file q_around.c.