mc_prediction.c File Reference

Functions for motion compensated prediction. More...

#include "global.h"
#include "block.h"
#include "mc_prediction.h"
#include "mbuffer.h"
#include "mb_access.h"
#include "macroblock.h"
#include "memalloc.h"

Include dependency graph for mc_prediction.c:

Go to the source code of this file.

Functions
int	allocate_pred_mem (Slice *currSlice)
void	free_pred_mem (Slice *currSlice)
static void	mc_prediction (imgpel **mb_pred, int ver_block_size, int hor_block_size, int ioff, imgpel **block)
static void	weighted_mc_prediction (imgpel **mb_pred, int ver_block_size, int hor_block_size, int ioff, imgpel **block, int wp_scale, int wp_offset, int weight_denom, int color_clip)
static void	bi_prediction (imgpel **mb_pred, imgpel **block_l0, imgpel **block_l1, int ver_block_size, int hor_block_size, int ioff)
static void	weighted_bi_prediction (imgpel **mb_pred, imgpel **block_l0, imgpel **block_l1, int ver_block_size, int hor_block_size, int ioff, int wp_scale_l0, int wp_scale_l1, int wp_offset, int weight_denom, int color_clip)
void	get_block_luma (Macroblock *currMB, ColorPlane pl, StorablePicture *curr_ref, int x_pos, int y_pos, int hor_block_size, int ver_block_size, imgpel **block)
void	get_block_chroma (Macroblock *currMB, int uv, StorablePicture *curr_ref, int x_pos, int y_pos, int hor_block_size, int ver_block_size, imgpel **block)
void	intra_cr_decoding (Macroblock *currMB, int yuv, int smb)
void	prepare_direct_params (Macroblock *currMB, StorablePicture *dec_picture, short pmvl0[2], short pmvl1[2], char *l0_rFrame, char *l1_rFrame)
void	check_motion_vector_range (ImageParameters *p_Img, short mv_x, short mv_y)
void	perform_mc (Macroblock *currMB, ColorPlane pl, StorablePicture *dec_picture, int pred_dir, int i, int j, int list_offset, int block_size_x, int block_size_y, int curr_mb_field)
Variables
static const int	COEF [6] = { 1, -5, 20, 20, -5, 1 }

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Detailed Description

Functions for motion compensated prediction.

Author:

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

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file mc_prediction.c.

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Function Documentation

static void bi_prediction	(	imgpel **	mb_pred,
		imgpel **	block_l0,
		imgpel **	block_l1,
		int	ver_block_size,
		int	hor_block_size,
		int	ioff
	)			[inline, static]

block biprediction

Definition at line 104 of file mc_prediction.c.

void get_block_luma	(	Macroblock *	currMB,
		ColorPlane	pl,
		StorablePicture *	curr_ref,
		int	x_pos,
		int	y_pos,
		int	hor_block_size,
		int	ver_block_size,
		imgpel **	block
	)

Interpolation of 1/4 subpixel.

Definition at line 162 of file mc_prediction.c.

References storable_picture::imgUV, storable_picture::imgY, pic_motion_params::mb_field, macroblock::mbAddrX, storable_picture::motion, macroblock::p_Img, and macroblock::p_Slice.

Referenced by buildPredblockRegionYUV(), and buildPredRegionYUV().

static void mc_prediction	(	imgpel **	mb_pred,
		int	ver_block_size,
		int	hor_block_size,
		int	ioff,
		imgpel **	block
	)			[inline, static]

block single list prediction

Definition at line 48 of file mc_prediction.c.

static void weighted_bi_prediction	(	imgpel **	mb_pred,
		imgpel **	block_l0,
		imgpel **	block_l1,
		int	ver_block_size,
		int	hor_block_size,
		int	ioff,
		int	wp_scale_l0,
		int	wp_scale_l1,
		int	wp_offset,
		int	weight_denom,
		int	color_clip
	)			[inline, static]

block weighted biprediction

Definition at line 130 of file mc_prediction.c.

static void weighted_mc_prediction	(	imgpel **	mb_pred,
		int	ver_block_size,
		int	hor_block_size,
		int	ioff,
		imgpel **	block,
		int	wp_scale,
		int	wp_offset,
		int	weight_denom,
		int	color_clip
	)			[inline, static]

block single list weighted prediction

Definition at line 75 of file mc_prediction.c.