wp_mcprec.c File Reference

Improved Motion Compensation Precision Scheme using Weighted Prediction. More...

#include "contributors.h"
#include "global.h"
#include "image.h"
#include "slice.h"
#include "wp_mcprec.h"

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Functions
void	wpxInitWPXObject (void)
void	wpxFreeWPXObject (void)
void	wpxInitWPXPasses (InputParameters *params)
void	wpxModifyRefPicList (ImageParameters *img)
int	wpxDetermineWP (InputParameters *params, ImageParameters *img, int clist, int n)
void	wpxAdaptRefNum (ImageParameters *img)
void	wpxReorderLists (ImageParameters *img, Slice *currSlice)

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Detailed Description

Improved Motion Compensation Precision Scheme using Weighted Prediction.

Author:

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

• Athanasios Leontaris <aleon@dolby.com>
• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file wp_mcprec.c.

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Function Documentation

void wpxAdaptRefNum

(

ImageParameters *

img

)

Modify number of references.

Definition at line 334 of file wp_mcprec.c.

References InputParameters::B_List0_refs, InputParameters::B_List1_refs, ImageParameters::num_ref_idx_l0_active, ImageParameters::num_ref_idx_l1_active, InputParameters::P_List0_refs, ImageParameters::structure, and ImageParameters::type.

Referenced by init_slice().

int wpxDetermineWP	(	InputParameters *	params,
		ImageParameters *	img,
		int	clist,
		int	n
	)

Determine whether it is fine to determine WP parameters.

Definition at line 239 of file wp_mcprec.c.

References ImageParameters::type, and InputParameters::WPMCPrecision.

Referenced by EstimateWPBSliceAlg0(), EstimateWPBSliceAlg1(), EstimateWPBSliceAlg2(), EstimateWPPSliceAlg0(), EstimateWPPSliceAlg1(), and EstimateWPPSliceAlg2().

void wpxFreeWPXObject

(

void

)

Free WPR object structure.

Definition at line 53 of file wp_mcprec.c.

Referenced by free_global_buffers().

void wpxInitWPXObject

(

void

)

Initialize WPR object structure.

Definition at line 29 of file wp_mcprec.c.

References no_mem_exit().

Referenced by init_global_buffers().

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void wpxInitWPXPasses

(

InputParameters *

params

)

Initialize WPR coding passes.

Definition at line 77 of file wp_mcprec.c.

References InputParameters::WPMCPrecision.

Referenced by encode_one_frame(), and init_encoder().

void wpxModifyRefPicList

(

ImageParameters *

img

)

Modifies ref_pic_list for all lists.

Definition at line 107 of file wp_mcprec.c.

References frame_store::frame, decoded_picture_buffer::fs_ref, storable_picture::is_long_term, frame_store::is_used, ImageParameters::num_ref_idx_l0_active, ImageParameters::num_ref_idx_l1_active, storable_picture::pic_num, storable_picture::poc, decoded_picture_buffer::ref_frames_in_buffer, ImageParameters::type, and storable_picture::used_for_reference.

Referenced by wpxReorderLists().

void wpxReorderLists	(	ImageParameters *	img,
		Slice *	currSlice
	)

Reorder lists.

Definition at line 370 of file wp_mcprec.c.

References Slice::abs_diff_pic_num_minus1_l0, Slice::abs_diff_pic_num_minus1_l1, alloc_ref_pic_list_reordering_buffer(), Slice::long_term_pic_idx_l0, Slice::long_term_pic_idx_l1, ImageParameters::num_ref_idx_l0_active, ImageParameters::num_ref_idx_l1_active, poc_ref_pic_reorder_frame(), reorder_ref_pic_list(), Slice::reordering_of_pic_nums_idc_l0, Slice::reordering_of_pic_nums_idc_l1, ImageParameters::type, and wpxModifyRefPicList().

Referenced by init_slice().

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