blob: d2996bc52f0815e6a97183e540aed7fe5189749c [file] [log] [blame]
/*
* 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.
*/
#ifndef AOM_AV1_ENCODER_MOTION_SEARCH_H_
#define AOM_AV1_ENCODER_MOTION_SEARCH_H_
#include "av1/encoder/encoder.h"
#ifdef __cplusplus
extern "C" {
#endif
#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.
typedef struct {
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_interinter_compound_motion_search(const AV1_COMP *const cpi,
MACROBLOCK *x,
const int_mv *const cur_mv,
const BLOCK_SIZE bsize,
const PREDICTION_MODE this_mode);
int av1_compound_single_motion_search_interinter(
const AV1_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int_mv *cur_mv,
const uint8_t *mask, int mask_stride, int *rate_mv, int ref_idx);
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. 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(struct AV1_COMP *const cpi, MACROBLOCK *x,
int mi_row, int mi_col, BLOCK_SIZE bsize,
int ref, FULLPEL_MV start_mv, int num_planes,
int use_subpixel);
// Performs a simple motion search to calculate the sse and var of the residue
int_mv av1_simple_motion_sse_var(struct AV1_COMP *cpi, MACROBLOCK *x,
int mi_row, int mi_col, BLOCK_SIZE bsize,
const FULLPEL_MV start_mv, int use_subpixel,
unsigned int *sse, unsigned int *var);
static AOM_INLINE const search_site_config *av1_get_search_site_config(
const AV1_COMP *cpi, MACROBLOCK *x, SEARCH_METHODS search_method) {
const int ref_stride = x->e_mbd.plane[0].pre[0].stride;
// 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];
} else if (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;
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_ENCODER_MOTION_SEARCH_H_