errdo_mc_prediction.c File Reference

Functions for motion compensated prediction. More...

#include "global.h"
#include "mbuffer.h"
#include "mb_access.h"
#include "macroblock.h"
#include "errdo.h"
#include "block.h"
#include "errdo_mc_prediction.h"

Include dependency graph for errdo_mc_prediction.c:

Go to the source code of this file.

Functions
static void	mc_prediction (imgpel **mb_pred, int ver_block_size, int hor_block_size, int ioff, imgpel block[MB_BLOCK_SIZE][MB_BLOCK_SIZE])
static void	weighted_mc_prediction (imgpel **mb_pred, int ver_block_size, int hor_block_size, int ioff, imgpel block[MB_BLOCK_SIZE][MB_BLOCK_SIZE], int wp_scale, int wp_offset, int weight_denom, int color_clip)
static void	bi_prediction (imgpel **mb_pred, imgpel block_l0[MB_BLOCK_SIZE][MB_BLOCK_SIZE], imgpel block_l1[MB_BLOCK_SIZE][MB_BLOCK_SIZE], int ver_block_size, int hor_block_size, int ioff)
static void	weighted_bi_prediction (imgpel **mb_pred, imgpel block_l0[MB_BLOCK_SIZE][MB_BLOCK_SIZE], imgpel block_l1[MB_BLOCK_SIZE][MB_BLOCK_SIZE], 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, int decoder, ColorPlane pl, StorablePicture *dec_picture, StorablePicture *curr_ref, int x_pos, int y_pos, int hor_block_size, int ver_block_size, imgpel block[MB_BLOCK_SIZE][MB_BLOCK_SIZE])
void	get_block_chroma (Macroblock *currMB, int decoder, int uv, StorablePicture *dec_picture, StorablePicture *curr_ref, int x_pos, int y_pos, int hor_block_size, int ver_block_size, imgpel block[MB_BLOCK_SIZE][MB_BLOCK_SIZE])
void	perform_mc (Macroblock *currMB, int decoder, ColorPlane pl, StorablePicture *dec_picture, int pred_dir, int l0_mode, int l1_mode, char ***ref_idx_buf, int i, int j, int block_size_x, int block_size_y, short bipred_me)
void	perform_mc_concealment (Macroblock *currMB, int decoder, ColorPlane pl, StorablePicture *dec_picture, int pred_dir, int l0_mode, int l1_mode, char ***ref_idx_buf, int i, int j, int block_size_x, int block_size_y)
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>
• Modified for encoder from ldecod/src/mc_prediction.c by Peshala V. Pahalawatta <pesh@ieee.org>

Definition in file errdo_mc_prediction.c.

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Function Documentation

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

block biprediction

Definition at line 87 of file errdo_mc_prediction.c.

Referenced by perform_mc(), and perform_mc_concealment().

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

block single list prediction

Definition at line 31 of file errdo_mc_prediction.c.

Referenced by perform_mc(), and perform_mc_concealment().

void perform_mc	(	Macroblock *	currMB,
		int	decoder,
		ColorPlane	pl,
		StorablePicture *	dec_picture,
		int	pred_dir,
		int	l0_mode,
		int	l1_mode,
		char ***	ref_idx_buf,
		int	i,
		int	j,
		int	block_size_x,
		int	block_size_y,
		short	bipred_me
	)

< l0 prediction

< l1 prediction

Definition at line 1069 of file errdo_mc_prediction.c.

References slice::all_mv, bi_prediction(), slice::bipred_mv, macroblock::block_x, macroblock::block_y, img_par::currentSlice, decoders::dec_mb_pred, img_par::max_pel_value_comp, slice::mb_pred, mc_prediction(), macroblock::p_Img, macroblock::p_slice, slice::slice_type, slice::wbp_weight, weighted_bi_prediction(), weighted_mc_prediction(), slice::wp_offset, slice::wp_weight, YUV400, and YUV444.

Referenced by decode_one_b8block(), and get_predicted_mb().

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void perform_mc_concealment	(	Macroblock *	currMB,
		int	decoder,
		ColorPlane	pl,
		StorablePicture *	dec_picture,
		int	pred_dir,
		int	l0_mode,
		int	l1_mode,
		char ***	ref_idx_buf,
		int	i,
		int	j,
		int	block_size_x,
		int	block_size_y
	)

< l0 prediction

< l1 prediction

Definition at line 1232 of file errdo_mc_prediction.c.

References bi_prediction(), macroblock::block_x, macroblock::block_y, img_par::currentSlice, decoders::dec_mb_pred, img_par::max_pel_value_comp, mc_prediction(), storable_picture::motion, pic_motion_params::mv, macroblock::p_Img, macroblock::p_slice, slice::slice_type, slice::wbp_weight, weighted_bi_prediction(), weighted_mc_prediction(), slice::wp_offset, and slice::wp_weight.

Referenced by get_predicted_concealment_mb().

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static void weighted_bi_prediction	(	imgpel **	mb_pred,
		imgpel	block_l0[MB_BLOCK_SIZE][MB_BLOCK_SIZE],
		imgpel	block_l1[MB_BLOCK_SIZE][MB_BLOCK_SIZE],
		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 113 of file errdo_mc_prediction.c.

Referenced by perform_mc(), and perform_mc_concealment().

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

block single list weighted prediction

Definition at line 58 of file errdo_mc_prediction.c.

Referenced by perform_mc(), and perform_mc_concealment().