mode_decision.c File Reference

Main macroblock mode decision functions and helpers. More...

#include <math.h>
#include <limits.h>
#include <float.h>
#include "global.h"
#include "rdopt_coding_state.h"
#include "mb_access.h"
#include "intrarefresh.h"
#include "image.h"
#include "transform8x8.h"
#include "ratectl.h"
#include "mode_decision.h"
#include "fmo.h"
#include "me_umhex.h"
#include "me_umhexsmp.h"
#include "macroblock.h"
#include "rdoq.h"
#include "errdo.h"
#include "q_around.h"
#include "slice.h"
#include "md_common.h"
#include "conformance.h"
#include "rdopt.h"

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Functions
void	reset_valid_modes (RD_PARAMS *enc_mb)
static int	check_for_SI16 (int **lrec, int pix_x, int pix_y)
void	end_encode_one_macroblock (Macroblock *currMB)
void	init_enc_mb_params (Macroblock *currMB, RD_PARAMS *enc_mb, int intra)
void	list_prediction_cost (Macroblock *currMB, int list, int block, int mode, RD_PARAMS *enc_mb, int bmcost[5], char best_ref[2])
static int	compute_ref_cost (ImageParameters *p_Img, RD_PARAMS *enc_mb, int ref, int list)
void	determine_prediction_list (int bmcost[5], Info8x8 *best, int *cost)
void	compute_mode_RD_cost (Macroblock *currMB, RD_PARAMS *enc_mb, short mode, short *inter_skip)
void	submacroblock_mode_decision (Macroblock *currMB, RD_PARAMS *enc_mb, RD_8x8DATA *dataTr, int ****cofACtr, int block, int *cost)
void	submacroblock_mode_decision_low (Macroblock *currMB, RD_PARAMS *enc_mb, RD_8x8DATA *dataTr, int ****cofACtr, int *have_direct, int block, int *cost_direct, int *cost, int *cost8x8_direct, int transform8x8)
void	get_initial_mb16x16_cost (Macroblock *currMB)
void	adjust_mb16x16_cost (Macroblock *currMB, int cost)
void	update_lambda_costs (Macroblock *currMB, RD_PARAMS *enc_mb, int lambda_mf[3])
int	iminarray (int arr[], int size, int *minind)
int	is_bipred_enabled (InputParameters *p_Inp, int mode)
int	transform_termination_control (Macroblock *currMB, int mode)
int	bslice_16x16_termination_control (InputParameters *p_Inp, Block8x8Info *b8x8info, int *ctr16x16, int mode, int bslice)
void	get_bipred_cost (Macroblock *currMB, int mode, int block, int i, int j, Info8x8 *best, RD_PARAMS *enc_mb, int bmcost[5])

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Detailed Description

Main macroblock mode decision functions and helpers.

Definition in file mode_decision.c.

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Function Documentation

int bslice_16x16_termination_control	(	InputParameters *	p_Inp,
		Block8x8Info *	b8x8info,
		int *	ctr16x16,
		int	mode,
		int	bslice
	)

Update prediction direction for mode P16x16 to check all prediction directions.

Definition at line 1424 of file mode_decision.c.

References inp_par_enc::BiPredMotionEstimation, and error().

Referenced by compute_mode_RD_cost().

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static int check_for_SI16	(	int **	lrec,
		int	pix_x,
		int	pix_y
	)			[inline, static]

Checks whether a primary SP slice macroblock was encoded as I16.

Definition at line 56 of file mode_decision.c.

Referenced by init_enc_mb_params().

void compute_mode_RD_cost	(	Macroblock *	currMB,
		RD_PARAMS *	enc_mb,
		short	mode,
		short *	inter_skip
	)

RD decision process.

Definition at line 385 of file mode_decision.c.

References img_par::AdaptiveRounding, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, img_par::b8x8info, bslice_16x16_termination_control(), macroblock::c_ipred_mode, slice::cofAC, macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, img_par::pCurImg, macroblock::pix_x, macroblock::qp_scaled, rc_store_diff(), inp_par_enc::RCEnable, RDCost_for_macroblocks(), reset_adaptive_rounding_direct(), SetModesAndRefframeForBlocks(), slice::slice_type, store_macroblock_parameters(), transform_termination_control(), and update_adaptive_rounding_16x16().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), and encode_one_macroblock_highloss().

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void determine_prediction_list	(	int	bmcost[5],
		Info8x8 *	best,
		int *	cost
	)

Determination of prediction list based on simple distortion computation.

Definition at line 358 of file mode_decision.c.

References iminarray().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), encode_one_macroblock_low(), submacroblock_mode_decision(), and submacroblock_mode_decision_low().

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void end_encode_one_macroblock

(

Macroblock *

currMB

)

Update parameters after encoding a macroblock.

Definition at line 74 of file mode_decision.c.

References field_flag_inference(), macroblock::mb_type, macroblock::mbAddrX, macroblock::p_Img, macroblock::p_slice, slice::slice_type, smpUMHEX_skip_intrabk_SAD(), update_qp_cbp(), and inp_par_enc::UseConstrainedIntraPred.

Referenced by encode_one_slice(), and encode_one_slice_MBAFF().

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void get_bipred_cost	(	Macroblock *	currMB,
		int	mode,
		int	block,
		int	i,
		int	j,
		Info8x8 *	best,
		RD_PARAMS *	enc_mb,
		int	bmcost[5]
	)

Compute bipred costs.

Definition at line 1480 of file mode_decision.c.

References slice::all_mv, slice::bipred_mv, list_prediction_cost(), and macroblock::p_slice.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and submacroblock_mode_decision().

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int iminarray	(	int	arr[],
		int	size,
		int *	minind
	)

Return array's minimum and its index.

Definition at line 1332 of file mode_decision.c.

Referenced by determine_prediction_list().

void init_enc_mb_params	(	Macroblock *	currMB,
		RD_PARAMS *	enc_mb,
		int	intra
	)

Initialize Encoding parameters for Macroblock.

Definition at line 120 of file mode_decision.c.

References macroblock::c_ipred_mode, check_for_SI16(), F_PEL, H_PEL, img_par::lambda_md, img_par::lambda_me, img_par::lambda_mf, img_par::masterQP, macroblock::mbAddrX, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, img_par::qp, reset_valid_modes(), slice::slice_type, smpUMHEX_decide_intrabk_SAD(), UMHEX_decide_intrabk_SAD(), and UMHEX_DefineThresholdMB().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), and encode_one_macroblock_low().

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int is_bipred_enabled	(	InputParameters *	p_Inp,
		int	mode
	)

Determines whether bi prediction is enabaled for current mode.

Definition at line 1354 of file mode_decision.c.

References inp_par_enc::BiPredMotionEstimation, and inp_par_enc::BiPredSearch.

Referenced by BlockMotionSearch(), chroma_prediction(), chroma_prediction_4x4(), encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), encode_one_macroblock_low(), luma_prediction(), set_ref_and_motion_vectors_B_slice(), set_stored_macroblock_parameters(), set_stored_macroblock_parameters_mpass(), set_stored_macroblock_parameters_sp(), submacroblock_mode_decision(), submacroblock_mode_decision_low(), and writeMotionVector8x8().

void list_prediction_cost	(	Macroblock *	currMB,
		int	list,
		int	block,
		int	mode,
		RD_PARAMS *	enc_mb,
		int	bmcost[5],
		char	best_ref[2]
	)

computation of prediction list (including biprediction) cost

Definition at line 279 of file mode_decision.c.

References BIDPartitionCost(), BPredPartitionCost(), CheckReliabilityOfRef(), macroblock::p_Img, macroblock::p_slice, Q_PEL, slice::slice_type, inp_par_enc::sp2_frame_indicator, inp_par_enc::sp_output_indicator, and slice::wbp_weight.

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), encode_one_macroblock_highloss(), encode_one_macroblock_low(), get_bipred_cost(), submacroblock_mode_decision(), and submacroblock_mode_decision_low().

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void reset_valid_modes

(

RD_PARAMS *

enc_mb

)

Reset Valid Modes.

Definition at line 44 of file mode_decision.c.

Referenced by init_enc_mb_params().

void submacroblock_mode_decision	(	Macroblock *	currMB,
		RD_PARAMS *	enc_mb,
		RD_8x8DATA *	dataTr,
		int ****	cofACtr,
		int	block,
		int *	cost
	)

Mode Decision for an 8x8 sub-macroblock.

Definition at line 509 of file mode_decision.c.

References slice::all_mv, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, slice::bipred_mv, macroblock::block_x, macroblock::block_y, slice::cofAC, copy_image_data_8x8(), inp_par_enc::CtxAdptLagrangeMult, decoders::dec_mb_pred, decoders::dec_mb_pred_best8x8, decoders::dec_mbY_best8x8, determine_prediction_list(), slice::direct_pdir, slice::direct_ref_idx, errdo_get_best_block(), errdo_store_best_block(), F_PEL, get_bipred_cost(), H_PEL, storable_picture::imgUV, storable_picture::imgY, is_bipred_enabled(), list_prediction_cost(), slice::mb_pred, macroblock::mbAddrX, storable_picture::motion, pic_motion_params::mv, img_par::nz_coeff, storable_picture::p_dec_img, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, RDCost_for_8x8blocks(), pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, slice::slice_type, StoreNewMotionVectorsBlock8x8(), SubPartitionMotionSearch(), and update_adaptive_rounding_8x8().

Referenced by encode_one_macroblock_high(), encode_one_macroblock_highfast(), and encode_one_macroblock_highloss().

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void submacroblock_mode_decision_low	(	Macroblock *	currMB,
		RD_PARAMS *	enc_mb,
		RD_8x8DATA *	dataTr,
		int ****	cofACtr,
		int *	have_direct,
		int	block,
		int *	cost_direct,
		int *	cost,
		int *	cost8x8_direct,
		int	transform8x8
	)

Low Complexity Mode Decision for an 8x8 sub-macroblock.

Definition at line 862 of file mode_decision.c.

References macroblock::ar_mode, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, B8Mode2Value(), macroblock::block_x, macroblock::block_y, slice::cofAC, copy_image_data_8x8(), inp_par_enc::CtxAdptLagrangeMult, determine_prediction_list(), slice::direct_pdir, slice::direct_ref_idx, F_PEL, GetDirectCost8x8(), H_PEL, storable_picture::imgUV, storable_picture::imgY, is_bipred_enabled(), img_par::lambda_mf, list_prediction_cost(), luma_residual_coding_8x8(), luma_residual_coding_p444_8x8(), slice::mb_pred, macroblock::mbAddrX, storable_picture::motion, img_par::nz_coeff, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, macroblock::pix_y, Q_PEL, pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, slice::slice_type, StoreNewMotionVectorsBlock8x8(), SubPartitionMotionSearch(), and update_adaptive_rounding_8x8().

Referenced by encode_one_macroblock_low().

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int transform_termination_control	(	Macroblock *	currMB,
		int	mode
	)

Decides whether to perform tranform 8x8 for this mode.

Definition at line 1384 of file mode_decision.c.

References macroblock::p_Img, macroblock::p_slice, and slice::slice_type.

Referenced by compute_mode_RD_cost().