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me_umhexsmp.h
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Audio
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Visual C++
- /*!
- *************************************************************************************
- *
- * file me_umhexsmp.h
- *
- * brief
- * Fast integer pixel and sub pixel motion estimation
- * Improved and simplified from the original UMHexagonS algorithms
- * See JVT-P021 for details
- *
- * author
- * Main contributors: (see contributors.h for copyright, address and affiliation details)
- * - Zhibo Chen <chenzhibo@tsinghua.org.cn>
- * - JianFeng Xu <fenax@video.mdc.tsinghua.edu.cn>
- * - Wenfang Fu <fwf@video.mdc.tsinghua.edu.cn>
- *
- * - Xiaoquan Yi <xyi@engr.scu.edu>
- * - Jun Zhang <jzhang2@engr.scu.edu>
- *
- * date
- * 6. Nov. 2006
- *************************************************************************************
- */
- #ifndef _ME_UMHEXSMP_H_
- #define _ME_UMHEXSMP_H_
- #include "mbuffer.h"
- unsigned short SymmetricalCrossSearchThreshold1;
- unsigned short SymmetricalCrossSearchThreshold2;
- unsigned short ConvergeThreshold;
- unsigned short SubPelThreshold1;
- unsigned short SubPelThreshold3;
- byte **smpUMHEX_SearchState; //state for fractional pel search
- int ***smpUMHEX_l0_cost; //store SAD information needed for forward median and uplayer prediction
- int ***smpUMHEX_l1_cost; //store SAD information needed for backward median and uplayer prediction
- byte *smpUMHEX_flag_intra;
- int smpUMHEX_flag_intra_SAD;
- int smpUMHEX_pred_SAD_uplayer; // Up layer SAD prediction
- short smpUMHEX_pred_MV_uplayer_X; // Up layer MV predictor X-component
- short smpUMHEX_pred_MV_uplayer_Y; // Up layer MV predictor Y-component
- void smpUMHEX_init(void);
- int smpUMHEX_get_mem(void);
- void smpUMHEX_free_mem(void);
- void smpUMHEX_decide_intrabk_SAD(void);
- void smpUMHEX_skip_intrabk_SAD(int, int);
- void smpUMHEX_setup(short, int, int, int, int, short ******);
- int // ==> minimum motion cost after search
- smpUMHEXIntegerPelBlockMotionSearch (Macroblock *currMB, // <-- current Macroblock
- imgpel *orig_pic, // <-- not used
- short ref, // <-- reference frame (0... or -1 (backward))
- int list, // <-- reference picture list
- int list_offset, // <-- MBAFF list offset
- char ***refPic, // <-- reference array
- short ****tmp_mv, // <-- mv array
- int pic_pix_x, // <-- absolute x-coordinate of regarded AxB block
- int pic_pix_y, // <-- absolute y-coordinate of regarded AxB block
- int blocktype, // <-- block type (1-16x16 ... 7-4x4)
- short pred_mv[2], // <-- motion vector predictor (x|y) in sub-pel units
- short mv[2], // --> motion vector (x|y) - in pel units
- int search_range, // <-- 1-d search range in pel units
- int min_mcost, // <-- minimum motion cost (cost for center or huge value)
- int lambda_factor, // <-- lagrangian parameter for determining motion cost
- int apply_weights
- );
- int // ==> minimum motion cost after search
- smpUMHEXSubPelBlockMotionSearch (
- imgpel* orig_pic, // <-- original pixel values for the AxB block
- short ref, // <-- reference frame (0... or -1 (backward))
- int list, // <-- reference picture list
- int list_offset, // <-- MBAFF list offset
- int pic_pix_x, // <-- absolute x-coordinate of regarded AxB block
- int pic_pix_y, // <-- absolute y-coordinate of regarded AxB block
- int blocktype, // <-- block type (1-16x16 ... 7-4x4)
- short pred_mv[2], // <-- motion vector predictor (x|y) in sub-pel units
- short mv[2], // <--> in: search center (x|y) / out: motion vector (x|y) - in pel units
- int search_pos2, // <-- search positions for half-pel search (default: 9)
- int search_pos4, // <-- search positions for quarter-pel search (default: 9)
- int min_mcost, // <-- minimum motion cost (cost for center or huge value)
- int lambda_factor, // <-- lagrangian parameter for determining motion cost
- int apply_weights
- );
- int // ==> minimum motion cost after search
- smpUMHEXFullSubPelBlockMotionSearch (imgpel* orig_pic, // <-- original pixel values for the AxB block
- short ref, // <-- reference frame (0... or -1 (backward))
- int list, // <-- reference picture list
- int list_offset, // <-- MBAFF list offset
- int pic_pix_x, // <-- absolute x-coordinate of regarded AxB block
- int pic_pix_y, // <-- absolute y-coordinate of regarded AxB block
- int blocktype, // <-- block type (1-16x16 ... 7-4x4)
- short pred_mv[2], // <-- motion vector predictor (x|y) in sub-pel units
- short mv[2], // <--> in: search center (x|y) / out: motion vector (x|y) - in pel units
- int search_pos2, // <-- search positions for half-pel search (default: 9)
- int search_pos4, // <-- search positions for quarter-pel search (default: 9)
- int min_mcost, // <-- minimum motion cost (cost for center or huge value)
- int lambda_factor, // <-- lagrangian parameter for determining motion cost
- int apply_weights
- );
- int // ==> minimum motion cost after search
- smpUMHEXBipredIntegerPelBlockMotionSearch (Macroblock *currMB, // <-- current Macroblock
- imgpel* cur_pic, // <-- original pixel values for the AxB block
- short ref, // <-- reference frame (0... or -1 (backward))
- int list, // <-- Current reference list
- int list_offset, // <-- MBAFF list offset
- char ***refPic, // <-- reference array
- short ****tmp_mv, // <-- mv array
- int pic_pix_x, // <-- absolute x-coordinate of regarded AxB block
- int pic_pix_y, // <-- absolute y-coordinate of regarded AxB block
- int blocktype, // <-- block type (1-16x16 ... 7-4x4)
- short pred_mv1[2], // <-- motion vector predictor (x|y) in sub-pel units
- short pred_mv2[2], // <-- motion vector predictor (x|y) in sub-pel units
- short mv[2], // <--> in: search center (x|y) / out: motion vector (x|y) - in pel units
- short s_mv[2], // <--> in: search center (x|y) / out: motion vector (x|y) - in pel units
- int search_range, // <-- 1-d search range in pel units
- int min_mcost, // <-- minimum motion cost (cost for center or huge value)
- int iteration_no, // <-- bi pred iteration number
- int lambda_factor, // <-- lagrangian parameter for determining motion cost
- int apply_weights
- );
- int // ==> minimum motion cost after search
- smpUMHEXSubPelBlockME (imgpel* orig_pic, // <-- original pixel values for the AxB block
- short ref, // <-- reference frame (0... or -1 (backward))
- int list,
- int list_offset, // <-- MBAFF list offset
- int pic_pix_x, // <-- absolute x-coordinate of regarded AxB block
- int pic_pix_y, // <-- absolute y-coordinate of regarded AxB block
- int blocktype, // <-- block type (1-16x16 ... 7-4x4)
- short pred_mv[2], // <-- motion vector predictor (x|y) in sub-pel units
- short mv[2], // <--> in: search center (x|y) / out: motion vector (x|y) - in sub-pel units
- int search_pos2, // <-- search positions for half-pel search (default: 9)
- int search_pos4, // <-- search positions for quarter-pel search (default: 9)
- int min_mcost, // <-- minimum motion cost (cost for center or huge value)
- int* lambda,
- int apply_weights
- );
- #endif
