mv_search.h File Reference

array definition for motion search More...

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Functions

void get_neighbors (Macroblock *currMB, PixelPos *block, int mb_x, int mb_y, int blockshape_x)

void set_access_method (int *access_method, MotionVector *blk, int min_x, int min_y, int max_x, int max_y)

void PrepareMEParams (Slice *currSlice, MEBlock *mv_block, int ChromaMEEnable, int list, int ref)

void PrepareBiPredMEParams (Slice *currSlice, MEBlock *mv_block, int ChromaMEEnable, int list, int list_offset, int ref)

void Init_Motion_Search_Module (ImageParameters *p_Img, InputParameters *p_Inp)

void Clear_Motion_Search_Module (ImageParameters *p_Img, InputParameters *p_Inp)

void PartitionMotionSearch (Macroblock *currMB, int, int, int *)

void SubPartitionMotionSearch (Macroblock *currMB, int, int, int *)

void Get_Direct_MV_Spatial_MBAFF (Macroblock *currMB)

void Get_Direct_MV_Spatial_Normal (Macroblock *currMB)

void Get_Direct_MV_Temporal (Macroblock *currMB)

void FindSkipModeMotionVector (Macroblock *currMB)

void init_ME_engine (Macroblock *currMB)

int BlockMotionSearch (Macroblock *currMB, MEBlock *mv_block, int, int, int *)

void init_mv_block (Macroblock *currMB, MEBlock *mv_block, short blocktype, int list, char ref_idx, short mb_x, short mb_y)

void get_original_block (ImageParameters *p_Img, InputParameters *p_Inp, MEBlock *mv_block)

void free_mv_block (InputParameters *p_Inp, MEBlock *mv_block)

void update_mv_block (Macroblock *currMB, MEBlock *mv_block, int h, int v)

void get_search_range (MEBlock *mv_block, InputParameters *p_Inp, short ref, int blocktype)

static void add_mvs (MotionVector *mv0, const MotionVector *mv1)

static MotionVector add_MVs (MotionVector mv0, const MotionVector *mv1)

static MotionVector pad_MVs (MotionVector mv0, MEBlock *mv_block)

static int weight_cost (int lambda, int bits)

static int mv_cost (const ImageParameters *p_Img, int lambda, const MotionVector *mv, const MotionVector *pmv)

static int ref_cost (const ImageParameters *p_Img, int lambda, short ref, int list_offset)

Detailed Description

array definition for motion search

Author:: Inge Lille-Langoy <inge.lille-langoy@telenor.com>
Alexis Michael Tourapis <alexis.tourapis@dolby.com>

Definition in file mv_search.h.

Function Documentation

int BlockMotionSearch	(	Macroblock *	currMB,
		MEBlock *	mv_block,
		int	mb_x,
		int	mb_y,
		int *	lambda_factor
	)

Block motion search.

< minimum motion cost after search

Parameters:

	currMB	Current Macroblock
	mv_block	Motion estimation information block
	mb_x	x-coordinate inside macroblock
	mb_y	y-coordinate inside macroblock
	lambda_factor	lagrangian parameter for determining motion cost

Definition at line 835 of file mv_search.c.

References slice::all_mv, BiPredBlockMotionSearch(), clip_mv_range(), inp_par_enc::DisableSubpelME, F_PEL, FindSkipModeMotionVector(), get_neighbors(), GetSkipCostMB(), is_bipred_enabled(), storable_picture::motion, pic_motion_params::mv, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, PrepareMEParams(), Q_PEL, pic_motion_params::ref_idx, slice::slice_type, smpUMHEX_setup(), img_par::start_me_refinement_hp, and UMHEXSetMotionVectorPredictor().

Referenced by PartitionMotionSearch(), and SubPartitionMotionSearch().

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void Clear_Motion_Search_Module	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

Free memory used by motion search.

Definition at line 503 of file mv_search.c.

References ClearFastFullIntegerSearch(), free_mem4Dint(), inp_par_enc::IntraProfile, and inp_par_enc::search_range.

Referenced by free_encoder_memory().

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void FindSkipModeMotionVector ( Macroblock * currMB )

Find motion vector for the Skip mode.

Definition at line 1307 of file mv_search.c.

References slice::all_mv, get_neighbors(), img_par::mb_data, storable_picture::motion, pic_motion_params::mv, macroblock::p_Img, macroblock::p_slice, and pic_motion_params::ref_idx.

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

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void free_mv_block	(	InputParameters *	p_Inp,
		MEBlock *	mv_block
	)

free motion vector block

Definition at line 777 of file mv_search.c.

References free_mem1Dpel().

Referenced by PartitionMotionSearch(), and SubPartitionMotionSearch().

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void Get_Direct_MV_Spatial_MBAFF ( Macroblock * currMB )

Calculate Spatial Direct Mode Motion Vectors.

Definition at line 2072 of file mv_search.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, slice::direct_pdir, slice::direct_ref_idx, get_neighbors(), img_par::mb_data, macroblock::mbAddrX, storable_picture::motion, pic_motion_params::mv, macroblock::opix_y, out_of_bounds_mvs(), macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, pic_motion_params::ref_idx, slice::wbp_weight, and YUV400.

Referenced by init_slice().

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void Get_Direct_MV_Spatial_Normal ( Macroblock * currMB )

Calculate Spatial Direct Mode Motion Vectors.

Definition at line 1917 of file mv_search.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, slice::direct_pdir, slice::direct_ref_idx, get_neighbors(), macroblock::mbAddrX, storable_picture::motion, pic_motion_params::mv, macroblock::opix_y, macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, pic_motion_params::ref_idx, slice::wbp_weight, and YUV400.

Referenced by init_slice().

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void Get_Direct_MV_Temporal ( Macroblock * currMB )

Calculate Temporal Direct Mode Motion Vectors.

invalid index. Default to zero even though this case should not happen

Definition at line 1775 of file mv_search.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, slice::direct_pdir, slice::direct_ref_idx, macroblock::mbAddrX, motion_params::mv, macroblock::opix_y, out_of_bounds_mvs(), macroblock::p_Img, macroblock::p_slice, macroblock::pix_x, motion_params::ref_idx, motion_params::ref_pic_id, slice::wbp_weight, and YUV400.

Referenced by init_slice().

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void get_neighbors	(	Macroblock *	currMB,
		PixelPos *	block,
		int	mb_x,
		int	mb_y,
		int	blockshape_x
	)

Get current block spatial neighbors.

Definition at line 280 of file mv_search.c.

References get4x4Neighbour(), and macroblock::p_Img.

Referenced by BlockMotionSearch(), FindSkipModeMotionVector(), Get_Direct_MV_Spatial_MBAFF(), Get_Direct_MV_Spatial_Normal(), SetupFastFullPelSearch(), and writeMotionVector8x8().

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void get_search_range	(	MEBlock *	mv_block,
		InputParameters *	p_Inp,
		short	ref,
		int	blocktype
	)

Set search range. This needs to be changed to provide 2D support.

Definition at line 68 of file mv_search.c.

Referenced by PartitionMotionSearch(), and SubPartitionMotionSearch().

void init_ME_engine ( Macroblock * currMB )

Initialize ME engine.

Definition at line 140 of file mv_search.c.

Referenced by start_macroblock().

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void Init_Motion_Search_Module	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

Initialize the motion search.

Definition at line 327 of file mv_search.c.

References computeBiPredSAD1(), computeBiPredSAD2(), computeBiPredSATD1(), computeBiPredSATD2(), computeBiPredSSE1(), computeBiPredSSE2(), computeSAD(), computeSADWP(), computeSATD(), computeSATDWP(), computeSSE(), computeSSEWP(), F_PEL, get_mem4Dint(), H_PEL, InitializeFastFullIntegerSearch(), inp_par_enc::IntraProfile, img_par::max_num_references, img_par::max_pel_value_comp, no_mem_exit(), Q_PEL, inp_par_enc::search_range, img_par::start_me_refinement_hp, and img_par::start_me_refinement_qp.

Referenced by init_encoder().

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void init_mv_block	(	Macroblock *	currMB,
		MEBlock *	mv_block,
		short	blocktype,
		int	list,
		char	ref_idx,
		short	mb_x,
		short	mb_y
	)

Init motion vector block.

Definition at line 706 of file mv_search.c.

References F_PEL, get_mem1Dpel(), H_PEL, no_mem_exit(), macroblock::p_Img, macroblock::p_slice, Q_PEL, slice::slice_type, inp_par_enc::UseWeightedReferenceME, and slice::weighted_prediction.

Referenced by PartitionMotionSearch(), and SubPartitionMotionSearch().

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void PartitionMotionSearch	(	Macroblock *	currMB,
		int	,
		int	,
		int *
	)

Motion search for a macroblock partition.

Definition at line 1502 of file mv_search.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, BlockMotionSearch(), EPZSIntPelBlockMotionSearch(), EPZSPelBlockMotionSearch(), free_mv_block(), get_search_range(), init_mv_block(), storable_picture::motion, pic_motion_params::mv, macroblock::p_Img, macroblock::p_slice, pic_motion_params::ref_idx, set_me_parameters(), and slice::slice_type.

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

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void PrepareBiPredMEParams	(	Slice *	currSlice,
		MEBlock *	mv_block,
		int	ChromaMEEnable,
		int	list,
		int	list_offset,
		int	ref
	)

Prepare Motion Estimation parameters for bipred list ME.

Definition at line 218 of file mv_search.c.

References slice::wbp_weight, and slice::wp_offset.

Referenced by BiPredBlockMotionSearch().

void PrepareMEParams	(	Slice *	currSlice,
		MEBlock *	mv_block,
		int	ChromaMEEnable,
		int	list,
		int	ref
	)

Prepare Motion Estimation parameters for single list ME.

Definition at line 195 of file mv_search.c.

References slice::wp_offset, and slice::wp_weight.

Referenced by BlockMotionSearch().

void set_access_method	(	int *	access_method,
		MotionVector *	blk,
		int	min_x,
		int	min_y,
		int	max_x,
		int	max_y
	)

Set ME access method.

Definition at line 122 of file mv_search.c.

References FAST_ACCESS, and UMV_ACCESS.

void SubPartitionMotionSearch	(	Macroblock *	currMB,
		int	,
		int	,
		int *
	)

Motion search for a submacroblock partition.

Definition at line 1613 of file mv_search.c.

References slice::all_mv, macroblock::block_x, macroblock::block_y, BlockMotionSearch(), EPZSIntPelBlockMotionSearch(), EPZSIntPelBlockMotionSearchSubMB(), EPZSPelBlockMotionSearch(), EPZSPelBlockMotionSearchSubMB(), free_mv_block(), get_search_range(), init_mv_block(), storable_picture::motion, pic_motion_params::mv, macroblock::p_slice, pic_motion_params::ref_idx, set_me_parameters(), and slice::slice_type.

Referenced by submacroblock_mode_decision(), and submacroblock_mode_decision_low().

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Functions
void	get_neighbors (Macroblock currMB, PixelPos block, int mb_x, int mb_y, int blockshape_x)
void	set_access_method (int access_method, MotionVector blk, int min_x, int min_y, int max_x, int max_y)
void	PrepareMEParams (Slice currSlice, MEBlock mv_block, int ChromaMEEnable, int list, int ref)
void	PrepareBiPredMEParams (Slice currSlice, MEBlock mv_block, int ChromaMEEnable, int list, int list_offset, int ref)
void	Init_Motion_Search_Module (ImageParameters p_Img, InputParameters p_Inp)
void	Clear_Motion_Search_Module (ImageParameters p_Img, InputParameters p_Inp)
void	PartitionMotionSearch (Macroblock currMB, int, int, int )
void	SubPartitionMotionSearch (Macroblock currMB, int, int, int )
void	Get_Direct_MV_Spatial_MBAFF (Macroblock *currMB)
void	Get_Direct_MV_Spatial_Normal (Macroblock *currMB)
void	Get_Direct_MV_Temporal (Macroblock *currMB)
void	FindSkipModeMotionVector (Macroblock *currMB)
void	init_ME_engine (Macroblock *currMB)
int	BlockMotionSearch (Macroblock currMB, MEBlock mv_block, int, int, int *)
void	init_mv_block (Macroblock currMB, MEBlock mv_block, short blocktype, int list, char ref_idx, short mb_x, short mb_y)
void	get_original_block (ImageParameters p_Img, InputParameters p_Inp, MEBlock *mv_block)
void	free_mv_block (InputParameters p_Inp, MEBlock mv_block)
void	update_mv_block (Macroblock currMB, MEBlock mv_block, int h, int v)
void	get_search_range (MEBlock mv_block, InputParameters p_Inp, short ref, int blocktype)
static void	add_mvs (MotionVector mv0, const MotionVector mv1)
static MotionVector	add_MVs (MotionVector mv0, const MotionVector *mv1)
static MotionVector	pad_MVs (MotionVector mv0, MEBlock *mv_block)
static int	weight_cost (int lambda, int bits)
static int	mv_cost (const ImageParameters p_Img, int lambda, const MotionVector mv, const MotionVector *pmv)
static int	ref_cost (const ImageParameters *p_Img, int lambda, short ref, int list_offset)