mc_prediction.h File Reference

motion compensation header More...

#include "mbuffer.h"

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Functions
void	luma_prediction (Macroblock *currMB, int, int, int, int, int, int[2], char *, short)
void	luma_prediction_bi (Macroblock *currMB, int, int, int, int, int, int, short, short, int)
void	chroma_prediction (Macroblock *currMB, int, int, int, int, int, int, int, int, short, short, short)
void	chroma_prediction_4x4 (Macroblock *currMB, int, int, int, int, int, int, short, short, short)
void	OneComponentChromaPrediction4x4_regenerate (Macroblock *currMB, imgpel *, int, int, short ***, StorablePicture *listX, int)
void	OneComponentChromaPrediction4x4_retrieve (Macroblock *currMB, imgpel *, int, int, short ***, StorablePicture *listX, int)
void	intra_chroma_prediction (Macroblock *currMB, int *, int *, int *)
void	compute_residue (imgpel **curImg, imgpel **mb_pred, int **mb_rres, int mb_x, int opix_x, int width, int height)
void	sample_reconstruct (imgpel **curImg, imgpel **mb_pred, int **mb_rres, int mb_x, int opix_x, int width, int height, int max_imgpel_value, int dq_bits)

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Detailed Description

motion compensation header

mc_prediction.h

Author:

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

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file mc_prediction.h.

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Function Documentation

void chroma_prediction	(	Macroblock *	currMB,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	,
		short	,
		short	,
		short
	)

Predict one chroma block.

Definition at line 487 of file mc_prediction.c.

References slice::all_mv, slice::bipred_mv, IMG_PAD_SIZE_TIMES4, IntraChromaPrediction4x4(), is_bipred_enabled(), img_par::max_pel_value_comp, slice::mb_pred, MCBiPrediction(), MCPrediction(), MCWeightedBiPrediction(), MCWeightedPrediction(), OneComponentChromaPrediction(), macroblock::opix_c_y, macroblock::p_Img, macroblock::p_slice, macroblock::pix_c_x, slice::wbp_weight, slice::weighted_prediction, slice::wp_offset, and slice::wp_weight.

Referenced by luma_residual_coding_p444_16x16(), and luma_residual_coding_p444_8x8().

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void chroma_prediction_4x4	(	Macroblock *	currMB,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	,
		short	,
		short	,
		short
	)

Predict one chroma 4x4 block.

Definition at line 598 of file mc_prediction.c.

References slice::all_mv, slice::bipred_mv, IntraChromaPrediction4x4(), is_bipred_enabled(), img_par::max_pel_value_comp, slice::mb_pred, MCBiPrediction(), MCPrediction(), MCWeightedBiPrediction(), MCWeightedPrediction(), macroblock::p_Img, macroblock::p_slice, slice::wbp_weight, slice::weighted_prediction, slice::wp_offset, and slice::wp_weight.

Referenced by chroma_residual_coding().

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void intra_chroma_prediction	(	Macroblock *	currMB,
		int *	,
		int *	,
		int *
	)

Intra prediction of the chrminance layers of one macroblock.

< pixel position p(0,-1)

< pixel positions p(-1, -1..15)

Definition at line 698 of file mc_prediction.c.

References macroblock::c_ipred_mode, img_par::dc_pred_value_comp, img_par::field_mode, storable_picture::imgUV, img_par::max_pel_value_comp, img_par::MbaffFrameFlag, slice::mpr_16x16, macroblock::p_slice, slice::slice_type, subblk_offset_x, and inp_par_enc::UseConstrainedIntraPred.

Referenced by encode_one_macroblock_low(), and SetChromaPredMode().

void luma_prediction	(	Macroblock *	currMB,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	[2],
		char *	,
		short
	)

Predict one Luma block.

Parameters:

currMB

Current Macroblock

Definition at line 144 of file mc_prediction.c.

References slice::all_mv, slice::bipred_mv, IMG_PAD_SIZE_TIMES4, is_bipred_enabled(), img_par::max_imgpel_value, slice::mb_pred, MCBiPrediction(), MCPrediction(), MCWeightedBiPrediction(), MCWeightedPrediction(), OneComponentLumaPrediction(), macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, slice::wbp_weight, slice::weighted_prediction, slice::wp_offset, and slice::wp_weight.

Referenced by BIDPartitionCost(), GetDirectCost8x8(), GetSkipCostMB(), luma_residual_coding(), luma_residual_coding_8x8(), luma_residual_coding_p444_16x16(), luma_residual_coding_p444_8x8(), and TransformDecision().

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void luma_prediction_bi	(	Macroblock *	currMB,
		int	,
		int	,
		int	,
		int	,
		int	,
		int	,
		short	,
		short	,
		int
	)

Predict one Luma block.

Parameters:

currMB

Current Macroblock

Definition at line 245 of file mc_prediction.c.

References slice::bipred_mv, IMG_PAD_SIZE_TIMES4, img_par::max_imgpel_value, slice::mb_pred, MCBiPrediction(), MCWeightedBiPrediction(), OneComponentLumaPrediction(), macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, slice::wbp_weight, slice::weighted_prediction, and slice::wp_offset.

Referenced by BPredPartitionCost().

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void OneComponentChromaPrediction4x4_regenerate	(	Macroblock *	currMB,
		imgpel *	,
		int	,
		int	,
		short ***	,
		StorablePicture *	listX,
		int
	)

Predict (on-the-fly) one component of a chroma 4x4 block.

Parameters:

	currMB	Current Macroblock
	listX	image components (color planes)

Definition at line 303 of file mc_prediction.c.

References img_par::height_cr, storable_picture::imgUV, img_par::mb_data, macroblock::mbAddrX, macroblock::opix_c_y, macroblock::p_Img, macroblock::pix_c_x, and img_par::width_cr.

Referenced by init_encoder().

void OneComponentChromaPrediction4x4_retrieve	(	Macroblock *	currMB,
		imgpel *	,
		int	,
		int	,
		short ***	,
		StorablePicture *	listX,
		int
	)

Retrieve one component of a chroma 4x4 block from the buffer.

Parameters:

	currMB	Current Macroblock
	listX	image components (color planes)

Definition at line 372 of file mc_prediction.c.

References IMG_PAD_SIZE_TIMES4, macroblock::opix_c_y, macroblock::p_Img, macroblock::pix_c_x, and UMVLine8X_chroma().

Referenced by init_encoder().

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