wp_lms.h File Reference

Headerfile for weighted prediction support using LMS. More...

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Functions
void	EstimateWPPSliceAlg1 (ImageParameters *img, InputParameters *params, int offset)
void	EstimateWPBSliceAlg1 (ImageParameters *img, InputParameters *params)
int	TestWPPSliceAlg1 (ImageParameters *img, InputParameters *input, int offset)
int	TestWPBSliceAlg1 (ImageParameters *img, InputParameters *input, int method)

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Detailed Description

Headerfile for weighted prediction support using LMS.

wp_lms.h

Author:

Alexis Michael Tourapis

Date:

22. February 2008

Definition in file wp_lms.h.

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Function Documentation

void EstimateWPBSliceAlg1	(	ImageParameters *	img,
		InputParameters *	params
	)

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 189 of file wp_lms.c.

References ImageParameters::bitdepth_luma, InputParameters::ChromaWeightSupport, ComputeImgSum(), ImageParameters::current_mb_nr, InputParameters::EnhancedBWeightSupport, ImageParameters::height, ImageParameters::height_cr, storable_picture::imgUV, ImageParameters::mb_data, macroblock::mb_field, ImageParameters::MbaffFrameFlag, storable_picture::p_curr_img, pCurImg, storable_picture::poc, ImageParameters::size, ImageParameters::width, ImageParameters::width_cr, and wpxDetermineWP().

Referenced by InitWP().

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void EstimateWPPSliceAlg1	(	ImageParameters *	img,
		InputParameters *	params,
		int	offset
	)

Estimates reference picture weighting factors for P slices.

Definition at line 43 of file wp_lms.c.

References ImageParameters::bitdepth_chroma, ImageParameters::bitdepth_luma, InputParameters::ChromaWeightSupport, ComputeImgSum(), ImageParameters::current_mb_nr, ImageParameters::height, ImageParameters::height_cr, storable_picture::imgUV, ImageParameters::mb_data, macroblock::mb_field, ImageParameters::MbaffFrameFlag, storable_picture::p_curr_img, pCurImg, ImageParameters::size, ImageParameters::size_cr, ImageParameters::width, ImageParameters::width_cr, and wpxDetermineWP().

Referenced by InitWP().

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int TestWPBSliceAlg1	(	ImageParameters *	img,
		InputParameters *	input,
		int	method
	)

TestWPBSliceAlg1: Tests B slice weighting prediction.

implicit mode

implicit mode

explicit mode

implicit mode

Definition at line 608 of file wp_lms.c.

References InputParameters::B_List0_refs, InputParameters::B_List1_refs, ImageParameters::bitdepth_luma, InputParameters::ChromaWeightSupport, ComputeImgSum(), ImageParameters::current_mb_nr, InputParameters::EnhancedBWeightSupport, ImageParameters::height, ImageParameters::height_cr, storable_picture::imgUV, ImageParameters::mb_data, macroblock::mb_field, ImageParameters::MbaffFrameFlag, storable_picture::p_curr_img, pCurImg, storable_picture::poc, ImageParameters::size, ImageParameters::width, and ImageParameters::width_cr.

Referenced by InitWP().

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int TestWPPSliceAlg1	(	ImageParameters *	img,
		InputParameters *	input,
		int	offset
	)

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

Definition at line 443 of file wp_lms.c.

References ImageParameters::bitdepth_chroma, ImageParameters::bitdepth_luma, InputParameters::ChromaWeightSupport, ComputeImgSum(), ImageParameters::current_mb_nr, ImageParameters::height, ImageParameters::height_cr, storable_picture::imgUV, ImageParameters::mb_data, macroblock::mb_field, ImageParameters::MbaffFrameFlag, storable_picture::p_curr_img, pCurImg, InputParameters::RDPSliceBTest, ImageParameters::size, ImageParameters::size_cr, ImageParameters::width, and ImageParameters::width_cr.

Referenced by InitWP().

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