mcomp.h 7.19 KB
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/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

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#ifndef VP10_ENCODER_MCOMP_H_
#define VP10_ENCODER_MCOMP_H_
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#include "av1/encoder/block.h"
#include "aom_dsp/variance.h"
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#ifdef __cplusplus
extern "C" {
#endif

// The maximum number of steps in a step search given the largest
// allowed initial step
#define MAX_MVSEARCH_STEPS 11
// Max full pel mv specified in the unit of full pixel
// Enable the use of motion vector in range [-1023, 1023].
#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1)
// Maximum size of the first step in full pel units
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#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS - 1))
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// Allowed motion vector pixel distance outside image border
// for Block_16x16
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#define BORDER_MV_PIXELS_B16 (16 + VPX_INTERP_EXTEND)
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// motion search site
typedef struct search_site {
  MV mv;
  int offset;
} search_site;

typedef struct search_site_config {
  search_site ss[8 * MAX_MVSEARCH_STEPS + 1];
  int ss_count;
  int searches_per_step;
} search_site_config;

void vp10_init_dsmotion_compensation(search_site_config *cfg, int stride);
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void vp10_init3smotion_compensation(search_site_config *cfg, int stride);
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void vp10_set_mv_search_range(MACROBLOCK *x, const MV *mv);
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int vp10_mv_bit_cost(const MV *mv, const MV *ref, const int *mvjcost,
                     int *mvcost[2], int weight);
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// Utility to compute variance + MV rate cost for a given MV
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int vp10_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv,
                        const MV *center_mv, const vpx_variance_fn_ptr_t *vfp,
                        int use_mvcost);
int vp10_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv,
                           const MV *center_mv, const uint8_t *second_pred,
                           const vpx_variance_fn_ptr_t *vfp, int use_mvcost);
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struct VP10_COMP;
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struct SPEED_FEATURES;

int vp10_init_search_range(int size);

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int vp10_refining_search_sad(struct macroblock *x, struct mv *ref_mv,
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                             int sad_per_bit, int distance,
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                             const vpx_variance_fn_ptr_t *fn_ptr,
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                             const struct mv *center_mv);
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// Runs sequence of diamond searches in smaller steps for RD.
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int vp10_full_pixel_diamond(const struct VP10_COMP *cpi, MACROBLOCK *x,
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                            MV *mvp_full, int step_param, int sadpb,
                            int further_steps, int do_refine, int *cost_list,
                            const vpx_variance_fn_ptr_t *fn_ptr,
                            const MV *ref_mv, MV *dst_mv);
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// Perform integral projection based motion estimation.
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unsigned int vp10_int_pro_motion_estimation(const struct VP10_COMP *cpi,
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                                            MACROBLOCK *x, BLOCK_SIZE bsize,
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                                            int mi_row, int mi_col);

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int vp10_hex_search(MACROBLOCK *x, MV *start_mv, int search_param,
                    int sad_per_bit, int do_init_search, int *cost_list,
                    const vpx_variance_fn_ptr_t *vfp, int use_mvcost,
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                    const MV *center_mv);
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typedef int(fractional_mv_step_fp)(
    MACROBLOCK *x, const MV *ref_mv, int allow_hp, int error_per_bit,
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    const vpx_variance_fn_ptr_t *vfp,
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    int forced_stop,  // 0 - full, 1 - qtr only, 2 - half only
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    int iters_per_step, int *cost_list, int *mvjcost, int *mvcost[2],
    int *distortion, unsigned int *sse1, const uint8_t *second_pred, int w,
    int h, int use_upsampled_ref);
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extern fractional_mv_step_fp vp10_find_best_sub_pixel_tree;
extern fractional_mv_step_fp vp10_find_best_sub_pixel_tree_pruned;
extern fractional_mv_step_fp vp10_find_best_sub_pixel_tree_pruned_more;
extern fractional_mv_step_fp vp10_find_best_sub_pixel_tree_pruned_evenmore;

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typedef int (*vp10_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv,
                                     int sad_per_bit, int distance,
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                                     const vpx_variance_fn_ptr_t *fn_ptr,
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                                     const MV *center_mv, MV *best_mv);

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typedef int (*vp10_diamond_search_fn_t)(
    MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv,
    int search_param, int sad_per_bit, int *num00,
    const vpx_variance_fn_ptr_t *fn_ptr, const MV *center_mv);
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int vp10_refining_search_8p_c(MACROBLOCK *x, int error_per_bit,
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                              int search_range,
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                              const vpx_variance_fn_ptr_t *fn_ptr,
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                              const MV *center_mv, const uint8_t *second_pred);
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struct VP10_COMP;
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int vp10_full_pixel_search(struct VP10_COMP *cpi, MACROBLOCK *x,
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                           BLOCK_SIZE bsize, MV *mvp_full, int step_param,
                           int error_per_bit, int *cost_list, const MV *ref_mv,
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                           int var_max, int rd);
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#if CONFIG_EXT_INTER
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int vp10_find_best_masked_sub_pixel_tree(
    const MACROBLOCK *x, const uint8_t *mask, int mask_stride, MV *bestmv,
    const MV *ref_mv, int allow_hp, int error_per_bit,
    const vpx_variance_fn_ptr_t *vfp, int forced_stop, int iters_per_step,
    int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse1,
    int is_second);
int vp10_find_best_masked_sub_pixel_tree_up(
    struct VP10_COMP *cpi, MACROBLOCK *x, const uint8_t *mask, int mask_stride,
    int mi_row, int mi_col, MV *bestmv, const MV *ref_mv, int allow_hp,
    int error_per_bit, const vpx_variance_fn_ptr_t *vfp, int forced_stop,
    int iters_per_step, int *mvjcost, int *mvcost[2], int *distortion,
    unsigned int *sse1, int is_second, int use_upsampled_ref);
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int vp10_masked_full_pixel_diamond(const struct VP10_COMP *cpi, MACROBLOCK *x,
                                   const uint8_t *mask, int mask_stride,
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                                   MV *mvp_full, int step_param, int sadpb,
                                   int further_steps, int do_refine,
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                                   const vpx_variance_fn_ptr_t *fn_ptr,
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                                   const MV *ref_mv, MV *dst_mv, int is_second);
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#endif  // CONFIG_EXT_INTER
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#if CONFIG_OBMC
int vp10_obmc_full_pixel_diamond(const struct VP10_COMP *cpi, MACROBLOCK *x,
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                                 const int32_t *wsrc, const int32_t *mask,
                                 MV *mvp_full, int step_param, int sadpb,
                                 int further_steps, int do_refine,
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                                 const vpx_variance_fn_ptr_t *fn_ptr,
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                                 const MV *ref_mv, MV *dst_mv, int is_second);
int vp10_find_best_obmc_sub_pixel_tree_up(
    struct VP10_COMP *cpi, MACROBLOCK *x, const int32_t *wsrc,
    const int32_t *mask, int mi_row, int mi_col, MV *bestmv, const MV *ref_mv,
    int allow_hp, int error_per_bit, const vpx_variance_fn_ptr_t *vfp,
    int forced_stop, int iters_per_step, int *mvjcost, int *mvcost[2],
    int *distortion, unsigned int *sse1, int is_second, int use_upsampled_ref);
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#endif  // CONFIG_OBMC
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#ifdef __cplusplus
}  // extern "C"
#endif

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#endif  // VP10_ENCODER_MCOMP_H_