quantChroma.h File Reference

Quantization process for chroma header file. More...

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Functions
void	init_quant_Chroma (InputParameters *params, ImageParameters *img, Slice *currSlice)
int	quant_dc2x2_normal (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust2x2, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int	quant_dc2x2_around (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust2x2, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int	quant_dc2x2_trellis (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int	quant_dc4x2_normal (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int	quant_dc4x2_around (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int	quant_dc4x2_trellis (int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
void	rdoq_dc_cr_CAVLC (int **tblock, int qp_per, int qp_rem, int levelscale, int leveloffset, const byte(*pos_scan)[2], int levelTrellis[16], int type)
void	rdoq_dc_cr_CABAC (int **tblock, int qp_per, int qp_rem, int levelscale, int leveloffset, const byte(*pos_scan)[2], int levelTrellis[16], int type)
Variables
int(*	quant_4x4cr )(int **tblock, int block_y, int block_x, int qp, int *ACLevel, int *ACRun, int **fadjust4x4, int **levelscale, int **invlevelscale, int **leveloffset, int *coeff_cost, const byte(*pos_scan)[2], const byte *c_cost, int is_cavlc)
int(*	quant_dc_cr )(int **tblock, int qp, int *DCLevel, int *DCRun, int **fadjust, int levelscale, int invlevelscale, int leveloffset, const byte(*pos_scan)[2], int is_cavlc)
int(*	quant_ac4x4cr )(int **tblock, int block_y, int block_x, int qp, int *ACLevel, int *ACRun, int **fadjust4x4, int **levelscale, int **invlevelscale, int **leveloffset, int *coeff_cost, const byte(*pos_scan)[2], const byte *c_cost, int type, int is_cavlc)
void(*	rdoq_dc_cr )(int **tblock, int qp_per, int qp_rem, int levelscale, int leveloffset, const byte(*pos_scan)[2], int levelTrellis[16], int type)

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Detailed Description

Quantization process for chroma header file.

Author:

Limin Liu <lliu@dolby.com> Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file quantChroma.h.

---

Function Documentation

void init_quant_Chroma	(	InputParameters *	params,
		ImageParameters *	img,
		Slice *	currSlice
	)

Quantization initialization function.

Definition at line 29 of file quantChroma.c.

References ImageParameters::AdaptiveRounding, quant_ac4x4_trellis(), quant_dc2x2_around(), quant_dc2x2_normal(), quant_dc2x2_trellis(), quant_dc4x2_around(), quant_dc4x2_normal(), quant_dc4x2_trellis(), InputParameters::RDOQ_CR, InputParameters::RDOQ_DC_CR, rdoq_dc_cr_CABAC(), rdoq_dc_cr_CAVLC(), Slice::symbol_mode, InputParameters::UseRDOQuant, YUV422, and ImageParameters::yuv_format.

Referenced by encode_one_slice(), and encode_one_slice_MBAFF().

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int quant_dc2x2_around	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 37 of file quantChroma_around.c.

Referenced by init_quant_Chroma().

int quant_dc2x2_normal	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 37 of file quantChroma_normal.c.

Referenced by init_quant_Chroma().

int quant_dc2x2_trellis	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 37 of file quantChroma_trellis.c.

Referenced by init_quant_Chroma().

int quant_dc4x2_around	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 110 of file quantChroma_around.c.

Referenced by init_quant_Chroma().

int quant_dc4x2_normal	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 109 of file quantChroma_normal.c.

Referenced by init_quant_Chroma().

int quant_dc4x2_trellis	(	int **	tblock,
		int	qp,
		int *	DCLevel,
		int *	DCRun,
		int **	fadjust,
		int	levelscale,
		int	invlevelscale,
		int	leveloffset,
		const byte(*)	pos_scan[2],
		int	is_cavlc
	)

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

Input:

Output:

Definition at line 112 of file quantChroma_trellis.c.

Referenced by init_quant_Chroma().