wp_mciter.c File Reference

Estimate weights for WP using iterative MC method. More...

#include "contributors.h"
#include <math.h>
#include <float.h>
#include "global.h"
#include "image.h"
#include "wp.h"

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Functions
void	EstimateWPPSliceAlg2 (Slice *currSlice, int select_offset)
void	EstimateWPBSliceAlg2 (Slice *currSlice)
int	TestWPPSliceAlg2 (ImageParameters *p_Img, InputParameters *p_Inp, int select_offset)
int	TestWPBSliceAlg2 (ImageParameters *p_Img, InputParameters *p_Inp, int select_method)
void	compute_offset (ImageParameters *p_Img)

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Detailed Description

Estimate weights for WP using iterative MC method.

Author:

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

Definition in file wp_mciter.c.

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Function Documentation

void EstimateWPBSliceAlg2

(

Slice *

currSlice

)

Estimates reference picture weighting factors for B slices.

implicit mode. Values are fixed and it is important to show it here

explicit mode. Values can be changed for higher precision.

implicit mode

Definition at line 161 of file wp_mciter.c.

References inp_par_enc::ChromaWeightSupport, ComputeImgSum(), img_par::height, img_par::height_cr, storable_picture::imgUV, img_par::mb_data, img_par::pCurImg, slice::wbp_weight, img_par::width, img_par::width_cr, slice::wp_offset, slice::wp_weight, and wpxDetermineWP().

Referenced by InitWP().

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void EstimateWPPSliceAlg2	(	Slice *	currSlice,
		int	select_offset
	)

Estimates reference picture weighting factors for P slices.

Definition at line 28 of file wp_mciter.c.

References inp_par_enc::ChromaWeightSupport, ComputeImgSum(), img_par::height, img_par::height_cr, storable_picture::imgUV, img_par::mb_data, storable_picture::p_curr_img, img_par::pCurImg, img_par::size_cr, img_par::width, img_par::width_cr, slice::wp_offset, slice::wp_weight, and wpxDetermineWP().

Referenced by InitWP().

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int TestWPBSliceAlg2	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	select_method
	)

TestWPBSliceAlg2: Tests B slice weighting prediction.

implicit mode

explicit mode

implicit mode

Definition at line 522 of file wp_mciter.c.

References inp_par_enc::B_List0_refs, inp_par_enc::B_List1_refs, inp_par_enc::ChromaWeightSupport, ComputeImgSum(), img_par::currentSlice, img_par::height, img_par::height_cr, storable_picture::imgUV, img_par::mb_data, img_par::MbaffFrameFlag, img_par::pCurImg, slice::wbp_weight, img_par::width, img_par::width_cr, slice::wp_offset, and slice::wp_weight.

Referenced by InitWP().

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int TestWPPSliceAlg2	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	select_offset
	)

Tests P slice weighting factors to perform or not WP RD decision.

Definition at line 371 of file wp_mciter.c.

References BASELINE, inp_par_enc::ChromaWeightSupport, ComputeImgSum(), img_par::height, img_par::height_cr, storable_picture::imgUV, img_par::mb_data, img_par::MbaffFrameFlag, storable_picture::p_curr_img, img_par::pCurImg, inp_par_enc::RDPSliceBTest, img_par::size_cr, img_par::width, and img_par::width_cr.

Referenced by InitWP().

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