/* * Copyright (c) 2020, Alliance for Open Media. All rights reserved. * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#define NUM_JOINT_ME_REFINE_ITER 2 #define REDUCED_JOINT_ME_REFINE_ITER 1 // TODO(any): rename this struct to something else. There is already another // struct called inter_modes_info, which makes this terribly confusing. typedefstruct { int drl_cost;
int_mv full_search_mv; int full_mv_rate; int full_mv_bestsme; int skip;
} inter_mode_info;
struct HandleInterModeArgs; void av1_single_motion_search(const AV1_COMP *const cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, int ref_idx, int *rate_mv, int search_range, inter_mode_info *mode_info,
int_mv *best_mv, struct HandleInterModeArgs *const args);
int av1_joint_motion_search(const AV1_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, int_mv *cur_mv, const uint8_t *mask, int mask_stride, int *rate_mv, int allow_second_mv, int joint_me_num_refine_iter);
int av1_compound_single_motion_search(const AV1_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, MV *this_mv, const uint8_t *second_pred, const uint8_t *mask, int mask_stride, int *rate_mv, int ref_idx);
// Performs a motion search in SIMPLE_TRANSLATION mode using reference frame // ref and calculates the sse and var of the residue. Note that this sets the // offset of mbmi, so we will need to reset it after calling this function.
int_mv av1_simple_motion_search_sse_var(struct AV1_COMP *cpi, MACROBLOCK *x, int mi_row, int mi_col,
BLOCK_SIZE bsize, int ref, const FULLPEL_MV start_mv, int num_planes, int use_subpixel, unsignedint *sse, unsignedint *var);
// AV1_COMP::mv_search_params.search_site_config is a compressor level cache // that's shared by multiple threads. In most cases where all frames have the // same resolution, the cache contains the search site config that we need. const MotionVectorSearchParams *mv_search_params = &cpi->mv_search_params; if (ref_stride == mv_search_params->search_site_cfg[SS_CFG_SRC]->stride) { return mv_search_params->search_site_cfg[SS_CFG_SRC];
} elseif (ref_stride ==
mv_search_params->search_site_cfg[SS_CFG_LOOKAHEAD]->stride) { return mv_search_params->search_site_cfg[SS_CFG_LOOKAHEAD];
}
// If the cache does not contain the correct stride, then we will need to rely // on the thread level config MACROBLOCK::search_site_cfg_buf. If even the // thread level config doesn't match, then we need to update it.
search_method = search_method_lookup[search_method];
assert(search_method_lookup[search_method] == search_method && "The search_method_lookup table should be idempotent."); if (ref_stride != x->search_site_cfg_buf[search_method].stride) {
av1_refresh_search_site_config(x->search_site_cfg_buf, search_method,
ref_stride);
}
return x->search_site_cfg_buf;
}
staticinline SEARCH_METHODS av1_get_faster_search_method(
SEARCH_METHODS search_method) { // Note on search method's accuracy: // 1. NSTEP // 2. DIAMOND // 3. BIGDIA \approx SQUARE // 4. HEX. // 5. FAST_HEX \approx FAST_DIAMOND switch (search_method) { case NSTEP: return DIAMOND; case NSTEP_8PT: return DIAMOND; case DIAMOND: return BIGDIA; case CLAMPED_DIAMOND: return BIGDIA; case BIGDIA: return HEX; case SQUARE: return HEX; case HEX: return FAST_HEX; case FAST_HEX: return FAST_HEX; case FAST_DIAMOND: return VFAST_DIAMOND; case FAST_BIGDIA: return FAST_BIGDIA; case VFAST_DIAMOND: return VFAST_DIAMOND; default: assert(0 && "Invalid search method!"); return DIAMOND;
}
}
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