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Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_mcomp.h')
| -rw-r--r-- | media/libvpx/vp9/encoder/vp9_mcomp.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_mcomp.h b/media/libvpx/vp9/encoder/vp9_mcomp.h new file mode 100644 index 000000000..99c1afa28 --- /dev/null +++ b/media/libvpx/vp9/encoder/vp9_mcomp.h @@ -0,0 +1,165 @@ +/* + * 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. + */ + + +#ifndef VP9_ENCODER_VP9_MCOMP_H_ +#define VP9_ENCODER_VP9_MCOMP_H_ + +#include "vp9/encoder/vp9_block.h" +#include "vp9/encoder/vp9_variance.h" + +#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 +#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1)) +// Allowed motion vector pixel distance outside image border +// for Block_16x16 +#define BORDER_MV_PIXELS_B16 (16 + VP9_INTERP_EXTEND) + +// 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 vp9_init_dsmotion_compensation(search_site_config *cfg, int stride); +void vp9_init3smotion_compensation(search_site_config *cfg, int stride); + +void vp9_set_mv_search_range(MACROBLOCK *x, const MV *mv); +int vp9_mv_bit_cost(const MV *mv, const MV *ref, + const int *mvjcost, int *mvcost[2], int weight); + +// Utility to compute variance + MV rate cost for a given MV +int vp9_get_mvpred_var(const MACROBLOCK *x, + const MV *best_mv, const MV *center_mv, + const vp9_variance_fn_ptr_t *vfp, + int use_mvcost); +int vp9_get_mvpred_av_var(const MACROBLOCK *x, + const MV *best_mv, const MV *center_mv, + const uint8_t *second_pred, + const vp9_variance_fn_ptr_t *vfp, + int use_mvcost); + +struct VP9_COMP; +struct SPEED_FEATURES; + +int vp9_init_search_range(int size); + +int vp9_refining_search_sad(const struct macroblock *x, + struct mv *ref_mv, + int sad_per_bit, int distance, + const struct vp9_variance_vtable *fn_ptr, + const struct mv *center_mv); + +// Runs sequence of diamond searches in smaller steps for RD. +int vp9_full_pixel_diamond(const struct VP9_COMP *cpi, MACROBLOCK *x, + MV *mvp_full, int step_param, + int sadpb, int further_steps, int do_refine, + int *cost_list, + const vp9_variance_fn_ptr_t *fn_ptr, + const MV *ref_mv, MV *dst_mv); + +// Perform integral projection based motion estimation. +unsigned int vp9_int_pro_motion_estimation(const struct VP9_COMP *cpi, + MACROBLOCK *x, + BLOCK_SIZE bsize, + int mi_row, int mi_col); + +typedef int (integer_mv_pattern_search_fn) ( + const MACROBLOCK *x, + MV *ref_mv, + int search_param, + int error_per_bit, + int do_init_search, + int *cost_list, + const vp9_variance_fn_ptr_t *vf, + int use_mvcost, + const MV *center_mv, + MV *best_mv); + +integer_mv_pattern_search_fn vp9_hex_search; +integer_mv_pattern_search_fn vp9_bigdia_search; +integer_mv_pattern_search_fn vp9_square_search; +integer_mv_pattern_search_fn vp9_fast_hex_search; +integer_mv_pattern_search_fn vp9_fast_dia_search; + +typedef int (fractional_mv_step_fp) ( + const MACROBLOCK *x, + MV *bestmv, const MV *ref_mv, + int allow_hp, + int error_per_bit, + const vp9_variance_fn_ptr_t *vfp, + int forced_stop, // 0 - full, 1 - qtr only, 2 - half only + 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); + +extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree; +extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned; +extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_more; +extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_evenmore; + +typedef int (*vp9_full_search_fn_t)(const MACROBLOCK *x, + const MV *ref_mv, int sad_per_bit, + int distance, + const vp9_variance_fn_ptr_t *fn_ptr, + const MV *center_mv, MV *best_mv); + +typedef int (*vp9_refining_search_fn_t)(const MACROBLOCK *x, + MV *ref_mv, int sad_per_bit, + int distance, + const vp9_variance_fn_ptr_t *fn_ptr, + const MV *center_mv); + +typedef int (*vp9_diamond_search_fn_t)(const MACROBLOCK *x, + const search_site_config *cfg, + MV *ref_mv, MV *best_mv, + int search_param, int sad_per_bit, + int *num00, + const vp9_variance_fn_ptr_t *fn_ptr, + const MV *center_mv); + +int vp9_refining_search_8p_c(const MACROBLOCK *x, + MV *ref_mv, int error_per_bit, + int search_range, + const vp9_variance_fn_ptr_t *fn_ptr, + const MV *center_mv, const uint8_t *second_pred); + +struct VP9_COMP; + +int vp9_full_pixel_search(struct VP9_COMP *cpi, MACROBLOCK *x, + BLOCK_SIZE bsize, MV *mvp_full, + int step_param, int error_per_bit, + int *cost_list, + const MV *ref_mv, MV *tmp_mv, + int var_max, int rd); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // VP9_ENCODER_VP9_MCOMP_H_ |