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/*
* Copyright (c) 2019 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 VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
#define VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
#include "vp9/common/vp9_enums.h"
#include "vp9/common/vp9_blockd.h"
#include "vpx_scale/yv12config.h"
#include "vpx_dsp/variance.h"
#ifdef __cplusplus
extern "C" {
#endif
#define NB_MVS_NUM 4
#define LOG2_PRECISION 20
#define MF_LOCAL_STRUCTURE_SIZE 4
#define SQUARE_BLOCK_SIZES 4
typedef enum Status { STATUS_OK = 0, STATUS_FAILED = 1 } Status;
typedef struct MotionField {
int ready;
BLOCK_SIZE bsize;
int block_rows;
int block_cols;
int block_num; // block_num == block_rows * block_cols
int (*local_structure)[MF_LOCAL_STRUCTURE_SIZE];
int_mv *mf;
int *set_mv;
int mv_log_scale;
} MotionField;
typedef struct MotionFieldInfo {
int frame_num;
int allocated;
MotionField (*motion_field_array)[MAX_INTER_REF_FRAMES][SQUARE_BLOCK_SIZES];
} MotionFieldInfo;
typedef struct {
float row, col;
} FloatMV;
static INLINE int get_square_block_idx(BLOCK_SIZE bsize) {
if (bsize == BLOCK_4X4) {
return 0;
}
if (bsize == BLOCK_8X8) {
return 1;
}
if (bsize == BLOCK_16X16) {
return 2;
}
if (bsize == BLOCK_32X32) {
return 3;
}
assert(0 && "ERROR: non-square block size");
return -1;
}
static INLINE BLOCK_SIZE square_block_idx_to_bsize(int square_block_idx) {
if (square_block_idx == 0) {
return BLOCK_4X4;
}
if (square_block_idx == 1) {
return BLOCK_8X8;
}
if (square_block_idx == 2) {
return BLOCK_16X16;
}
if (square_block_idx == 3) {
return BLOCK_32X32;
}
assert(0 && "ERROR: invalid square_block_idx");
return BLOCK_INVALID;
}
Status vp9_alloc_motion_field_info(MotionFieldInfo *motion_field_info,
int frame_num, int mi_rows, int mi_cols);
Status vp9_alloc_motion_field(MotionField *motion_field, BLOCK_SIZE bsize,
int block_rows, int block_cols);
void vp9_free_motion_field(MotionField *motion_field);
void vp9_free_motion_field_info(MotionFieldInfo *motion_field_info);
int64_t vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_full_mvs,
int mv_num);
void vp9_get_smooth_motion_field(const MV *search_mf,
const int (*M)[MF_LOCAL_STRUCTURE_SIZE],
int rows, int cols, BLOCK_SIZE bize,
float alpha, int num_iters, MV *smooth_mf);
void vp9_get_local_structure(const YV12_BUFFER_CONFIG *cur_frame,
const YV12_BUFFER_CONFIG *ref_frame,
const MV *search_mf,
const vp9_variance_fn_ptr_t *fn_ptr, int rows,
int cols, BLOCK_SIZE bsize,
int (*M)[MF_LOCAL_STRUCTURE_SIZE]);
MotionField *vp9_motion_field_info_get_motion_field(
MotionFieldInfo *motion_field_info, int frame_idx, int rf_idx,
BLOCK_SIZE bsize);
void vp9_motion_field_mi_set_mv(MotionField *motion_field, int mi_row,
int mi_col, int_mv mv);
void vp9_motion_field_reset_mvs(MotionField *motion_field);
int_mv vp9_motion_field_get_mv(const MotionField *motion_field, int brow,
int bcol);
int_mv vp9_motion_field_mi_get_mv(const MotionField *motion_field, int mi_row,
int mi_col);
int vp9_motion_field_is_mv_set(const MotionField *motion_field, int brow,
int bcol);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VP9_ENCODER_VP9_NON_GREEDY_MV_H_
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