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aomedia / avm / refs/heads/main / . / av1 / common / mvref_common.c
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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#include <stdlib.h>
#include "av1/common/mv.h"
#include "av1/common/mvref_common.h"
#include "av1/common/reconintra.h"
#include "av1/common/tip.h"
#include "av1/common/warped_motion.h"
typedef struct single_mv_candidate {
int_mv mv;
MV_REFERENCE_FRAME ref_frame;
} SINGLE_MV_CANDIDATE;
#define TMVP_SEARCH_COUNT 2
#define SMVP_COL_SEARCH_COUNT 2
typedef struct mvp_unit_status {
int is_available;
int row_offset;
int col_offset;
} MVP_UNIT_STATUS;
enum {
/**
* Coding block width is 4
*/
BLOCK_WIDTH_4 = 0,
/**
* Coding block width is 8
*/
BLOCK_WIDTH_8,
/**
* Coding block width no less than 16
*/
BLOCK_WIDTH_OTHERS,
/**
* Coding block width types
*/
BLOCK_WIDTH_TYPES,
} UENUM1BYTE(BLOCK_WIDTH_TYPE);
#define TIP_MFMV_STACK_SIZE 3 // The limit for original TMVP w/ TIP.
#define MFMV_STACK_SIZE 4 // The total limit of motion field candidates.
// Check and make sure that the MVs are stored to the correct slots.
static INLINE void check_frame_mv_slot(const AV1_COMMON *const cm, MV_REF *mv) {
if (mv->ref_frame[0] != NONE_FRAME && mv->ref_frame[1] == NONE_FRAME) {
mv->ref_frame[1] = mv->ref_frame[0];
mv->mv[1] = mv->mv[0];
} else if (mv->ref_frame[0] == NONE_FRAME && mv->ref_frame[1] != NONE_FRAME) {
mv->ref_frame[0] = mv->ref_frame[1];
mv->mv[0] = mv->mv[1];
} else if (mv->ref_frame[0] != NONE_FRAME && mv->ref_frame[1] != NONE_FRAME) {
int ref_display_order[2] = {
get_ref_frame_buf(cm, mv->ref_frame[0])->display_order_hint,
get_ref_frame_buf(cm, mv->ref_frame[1])->display_order_hint
};
int cur_display_order = cm->cur_frame->display_order_hint;
const int diff_0_cur =
get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[0],
cur_display_order);
const int diff_1_cur =
get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[1],
cur_display_order);
const int diff_0_1 =
get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[0],
ref_display_order[1]);
bool to_switch = false;
if (diff_0_cur < 0 && diff_1_cur < 0) {
if (diff_0_1 < 0) {
to_switch = true;
}
} else if (diff_0_cur > 0 && diff_1_cur > 0) {
if (diff_0_1 < 0) {
to_switch = true;
}
} else if (diff_0_cur > 0 && diff_1_cur < 0) {
to_switch = true;
}
if (to_switch) {
int tmp_ref = mv->ref_frame[0];
int_mv tmp_mv = mv->mv[0];
mv->ref_frame[0] = mv->ref_frame[1];
mv->mv[0] = mv->mv[1];
mv->ref_frame[1] = tmp_ref;
mv->mv[1] = tmp_mv;
}
}
}
#define ADJACENT_SMVP_WEIGHT 1
#define OTHER_SMVP_WEIGHT 0
#define TMVP_WEIGHT 1
#define HIGH_PRIORITY_TMVP_WEIGHT 2
// Check if a given block uses a valid warp affine transformation
// (either global or local) for motion compensation and set the corresponding
// warp parameters.
static INLINE int is_warp_affine_block(const MACROBLOCKD *xd,
const MB_MODE_INFO *mi, int ref_idx,
WarpedMotionParams *warp_params) {
*warp_params = default_warp_params;
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[ref_idx];
if (!is_inter_ref_frame(ref_frame)) return 0;
const WarpedMotionParams gm_params = xd->global_motion[ref_frame];
const WarpTypesAllowed warp_types = {
is_global_mv_block(mi, gm_params.wmtype), is_warp_mode(mi->motion_mode)
};
if ((warp_types.local_warp_allowed && !mi->wm_params[ref_idx].invalid) ||
(warp_types.global_warp_allowed && !gm_params.invalid)) {
*warp_params =
warp_types.local_warp_allowed ? mi->wm_params[ref_idx] : gm_params;
return 1;
}
return 0;
}
// Computes the 8x8 sub-block warp motion vector from the warp model.
static INLINE MV get_sub_block_warp_mv(const WarpedMotionParams *warp_params,
int pixel_x, int pixel_y, int bw,
int bh) {
const int center_x = pixel_x + (bw >> 1);
const int center_y = pixel_y + (bh >> 1);
const int32_t submv_x_hp = get_subblk_offset_x_hp(
warp_params->wmmat, center_x, center_y, 1 << WARPEDMODEL_PREC_BITS);
const int32_t submv_y_hp = get_subblk_offset_y_hp(
warp_params->wmmat, center_x, center_y, 1 << WARPEDMODEL_PREC_BITS);
MV submv;
submv.col = ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3);
submv.row = ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3);
return submv;
}
#define OPFL_MVS_CLAMPED 0
// Overwrite the MVs in TMVP list by optical flow refined MVs (for TIP frame
// mode)
void av1_copy_frame_refined_mvs_tip_frame_mode(const AV1_COMMON *const cm,
const MACROBLOCKD *xd,
const MB_MODE_INFO *const mi,
int mi_row, int mi_col,
int x_inside_boundary,
int y_inside_boundary) {
const int frame_mvs_stride =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int cur_tpl_row = (mi_row >> TMVP_SHIFT_BITS);
const int cur_tpl_col = (mi_col >> TMVP_SHIFT_BITS);
const int offset = cur_tpl_row * frame_mvs_stride + cur_tpl_col;
MV_REF *frame_mvs = cm->cur_frame->mvs + offset;
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, TMVP_SHIFT_BITS);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, TMVP_SHIFT_BITS);
int bw = block_size_wide[mi->sb_type[xd->tree_type == CHROMA_PART]];
int bh = block_size_high[mi->sb_type[xd->tree_type == CHROMA_PART]];
const int tip_ref_frame = is_tip_ref_frame(mi->ref_frame[0]);
const int use_4x4 = !tip_ref_frame;
const bool is_opfl_mode =
is_optflow_refinement_enabled(cm, xd, mi, AOM_PLANE_Y, tip_ref_frame);
int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y, use_4x4);
// Pointers to hold optical flow MV offsets.
int *vx0 = xd->opfl_vxy_bufs;
int *vx1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 1);
int *vy0 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 2);
int *vy1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 3);
int apply_sub_block_refinemv = tip_ref_frame || mi->refinemv_flag;
for (int h = 0; h < y_inside_boundary; h++) {
MV_REF *mv = frame_mvs;
for (int w = 0; w < x_inside_boundary; w++) {
for (int idx = 0; idx < 2; ++idx) {
#if CONFIG_TMVP_MVS_WRITING_FLOW_OPT
mv->ref_frame[idx] = NONE_FRAME;
mv->mv[idx].as_int = 0;
#endif // CONFIG_TMVP_MVS_WRITING_FLOW_OPT
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (!is_inter_ref_frame(ref_frame) && !tip_ref_frame) continue;
int_mv refined_mv;
// Refined MVs are stored per 4x4 in refinemv_subinfo, but h and
// w for TMVP are per 8x8, so (h<<1) and (w<<1) are used here.
if (apply_sub_block_refinemv)
refined_mv.as_mv =
xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)]
.refinemv[idx]
.as_mv;
else
refined_mv.as_mv = mi->mv[idx].as_mv;
if (is_opfl_mode) {
int *vy = idx ? vy1 : vy0;
int *vx = idx ? vx1 : vx0;
if (n == 4) {
// Since TMVP is stored per 8x8 unit, for refined MV with 4x4
// subblock, take the average of 4 refined MVs
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
vy[0] + vy[1] + vy[2] + vy[3], 2 + MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
vx[0] + vx[1] + vx[2] + vx[3], 2 + MV_REFINE_PREC_BITS - 3);
} else {
int sbmv_stride = bw >> 3;
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
vy[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
vx[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3);
}
}
#if OPFL_MVS_CLAMPED
refined_mv.as_mv.row =
clamp(refined_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
refined_mv.as_mv.col =
clamp(refined_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
if ((abs(refined_mv.as_mv.row) > REFMVS_LIMIT) ||
(abs(refined_mv.as_mv.col) > REFMVS_LIMIT))
continue;
#endif
mv->ref_frame[idx] =
tip_ref_frame ? cm->tip_ref.ref_frame[idx] : ref_frame;
mv->mv[idx].as_int = refined_mv.as_int;
process_mv_for_tmvp(&mv->mv[idx].as_mv);
}
check_frame_mv_slot(cm, mv);
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
// Copy the MVs into the TMVP list (for TIP frame mode)
void av1_copy_frame_mvs_tip_frame_mode(const AV1_COMMON *const cm,
const MACROBLOCKD *const xd,
const MB_MODE_INFO *const mi, int mi_row,
int mi_col, int x_inside_boundary,
int y_inside_boundary) {
const int frame_mvs_stride =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int cur_tpl_row = (mi_row >> TMVP_SHIFT_BITS);
const int cur_tpl_col = (mi_col >> TMVP_SHIFT_BITS);
const int offset = cur_tpl_row * frame_mvs_stride + cur_tpl_col;
MV_REF *frame_mvs = cm->cur_frame->mvs + offset;
const TIP *tip_ref = &cm->tip_ref;
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, TMVP_SHIFT_BITS);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, TMVP_SHIFT_BITS);
const uint8_t *decisions = NULL;
const BLOCK_SIZE bsize = mi->sb_type[xd->tree_type == CHROMA_PART];
const int bw = block_size_wide[bsize];
const bool is_wedge = is_inter_ref_frame(mi->ref_frame[0]) &&
is_inter_ref_frame(mi->ref_frame[1]) &&
!is_tip_ref_frame(mi->ref_frame[0]) &&
!is_tip_ref_frame(mi->ref_frame[1]) &&
mi->interinter_comp.type == COMPOUND_WEDGE;
if (is_wedge) {
#if WEDGE_BLD_SIG && CONFIG_ADAPTIVE_WEDGE_BOUNDARY
decisions = av1_get_contiguous_soft_mask_decision(
mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign,
mi->interinter_comp.wedge_boundary_index, bsize);
#else
decisions = av1_get_contiguous_soft_mask_decision(
mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign, bsize);
#endif // WEDGE_BLD_SIG && CONFIG_ADAPTIVE_WEDGE_BOUNDARY
}
WarpedMotionParams warp_params[2];
int is_warp[2] = { 0 };
for (int idx = 0; idx < 2; idx++) {
is_warp[idx] = is_warp_affine_block(xd, mi, idx, &warp_params[idx]);
}
for (int h = 0; h < y_inside_boundary; h++) {
MV_REF *mv = frame_mvs;
for (int w = 0; w < x_inside_boundary; w++) {
for (int idx = 0; idx < 2; ++idx) {
mv->ref_frame[idx] = NONE_FRAME;
mv->mv[idx].as_int = 0;
}
for (int idx = 0; idx < 2; ++idx) {
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame) && !is_tip_ref_frame(ref_frame)) {
int_mv sub_block_mv;
if (is_warp[idx]) {
const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE;
const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE;
sub_block_mv.as_mv =
get_sub_block_warp_mv(&warp_params[idx], pixel_x, pixel_y,
TMVP_MI_SIZE, TMVP_MI_SIZE);
} else {
if (is_wedge) {
const int this_decision =
decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE];
if (this_decision == 0 && idx == 1) continue;
if (this_decision == 1 && idx == 0) continue;
}
sub_block_mv.as_mv = mi->mv[idx].as_mv;
}
if ((abs(sub_block_mv.as_mv.row) > REFMVS_LIMIT) ||
(abs(sub_block_mv.as_mv.col) > REFMVS_LIMIT))
continue;
mv->ref_frame[idx] = ref_frame;
mv->mv[idx].as_int = sub_block_mv.as_int;
process_mv_for_tmvp(&mv->mv[idx].as_mv);
} else if (is_tip_ref_frame(ref_frame)) {
int_mv this_mv[2] = { { 0 } };
const MV *blk_mv = &mi->mv[idx].as_mv;
get_tip_mv(cm, blk_mv, cur_tpl_col + w, cur_tpl_row + h, this_mv);
if ((abs(this_mv[0].as_mv.row) <= REFMVS_LIMIT) &&
(abs(this_mv[0].as_mv.col) <= REFMVS_LIMIT)) {
mv->ref_frame[0] = tip_ref->ref_frame[0];
mv->mv[0].as_int = this_mv[0].as_int;
process_mv_for_tmvp(&mv->mv[0].as_mv);
}
if ((abs(this_mv[1].as_mv.row) <= REFMVS_LIMIT) &&
(abs(this_mv[1].as_mv.col) <= REFMVS_LIMIT)) {
mv->ref_frame[1] = tip_ref->ref_frame[1];
mv->mv[1].as_int = this_mv[1].as_int;
process_mv_for_tmvp(&mv->mv[1].as_mv);
}
break;
}
}
check_frame_mv_slot(cm, mv);
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
// Overwrite the MVs in TMVP list by optical flow refined MVs
void av1_copy_frame_refined_mvs(const AV1_COMMON *const cm,
const MACROBLOCKD *xd,
const MB_MODE_INFO *const mi, int mi_row,
int mi_col, int x_inside_boundary,
int y_inside_boundary) {
if (cm->seq_params.enable_tip && cm->features.tip_frame_mode) {
av1_copy_frame_refined_mvs_tip_frame_mode(
cm, xd, mi, mi_row, mi_col, x_inside_boundary, y_inside_boundary);
return;
}
const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1);
MV_REF *frame_mvs =
cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1);
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1);
int bw = block_size_wide[mi->sb_type[xd->tree_type == CHROMA_PART]];
int bh = block_size_high[mi->sb_type[xd->tree_type == CHROMA_PART]];
const bool is_opfl_mode = opfl_allowed_cur_pred_mode(cm, xd, mi);
int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y, 1);
int w, h;
// Pointers to hold optical flow MV offsets.
int *vx0 = xd->opfl_vxy_bufs;
int *vx1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 1);
int *vy0 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 2);
int *vy1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 3);
int apply_sub_block_refinemv =
mi->refinemv_flag && !is_tip_ref_frame(mi->ref_frame[0]);
for (h = 0; h < y_inside_boundary; h++) {
MV_REF *mv = frame_mvs;
for (w = 0; w < x_inside_boundary; w++) {
for (int idx = 0; idx < 2; ++idx) {
#if CONFIG_TMVP_MVS_WRITING_FLOW_OPT
mv->ref_frame[idx] = NONE_FRAME;
mv->mv[idx].as_int = 0;
#endif // CONFIG_TMVP_MVS_WRITING_FLOW_OPT
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
int_mv refined_mv;
// Refined MVs are stored per 4x4 in refinemv_subinfo, but h and
// w for TMVP are per 8x8, so (h<<1) and (w<<1) are used here.
if (apply_sub_block_refinemv)
refined_mv.as_mv =
xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)]
.refinemv[idx]
.as_mv;
else
refined_mv.as_mv = mi->mv[idx].as_mv;
if (is_opfl_mode) {
int *vy = idx ? vy1 : vy0;
int *vx = idx ? vx1 : vx0;
if (n == 4) {
// Since TMVP is stored per 8x8 unit, for refined MV with 4x4
// subblock, take the average of 4 refined MVs
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
vy[0] + vy[1] + vy[2] + vy[3], 2 + MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
vx[0] + vx[1] + vx[2] + vx[3], 2 + MV_REFINE_PREC_BITS - 3);
} else {
int sbmv_stride = bw >> 3;
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
vy[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
vx[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3);
}
}
#if OPFL_MVS_CLAMPED
refined_mv.as_mv.row =
clamp(refined_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
refined_mv.as_mv.col =
clamp(refined_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
if ((abs(refined_mv.as_mv.row) > REFMVS_LIMIT) ||
(abs(refined_mv.as_mv.col) > REFMVS_LIMIT))
continue;
#endif
mv->ref_frame[idx] = ref_frame;
mv->mv[idx].as_int = refined_mv.as_int;
process_mv_for_tmvp(&mv->mv[idx].as_mv);
}
}
check_frame_mv_slot(cm, mv);
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
// Copy mvs from bru ref frame to cur frame
// Used for keeping the old ref frame mvs in the cur frame
void bru_copy_sb_mvs(const AV1_COMMON *const cm, int src_ref_idx,
int dst_ref_idx, int mi_row, int mi_col,
int x_inside_boundary, int y_inside_boundary) {
// if src_ref_idx or dst_ref_idx < 0 (prefer -1), means cm->cur_frame
if (src_ref_idx == dst_ref_idx) return;
const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1);
MV_REF *src_frame_mvs =
((src_ref_idx < 0) ? cm->cur_frame->mvs
: get_ref_frame_buf(cm, src_ref_idx)->mvs) +
+(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1);
MV_REF *dst_frame_mvs =
((dst_ref_idx < 0) ? cm->cur_frame->mvs
: get_ref_frame_buf(cm, dst_ref_idx)->mvs) +
+(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1);
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1);
int w, h;
for (h = 0; h < y_inside_boundary; h++) {
// get mvs stored in bru ref frame
MV_REF *src_ref = src_frame_mvs;
MV_REF *dst_ref = dst_frame_mvs;
for (w = 0; w < x_inside_boundary; w++) {
dst_ref->ref_frame[0] = NONE_FRAME;
dst_ref->ref_frame[1] = NONE_FRAME;
dst_ref->mv[0].as_int = 0;
dst_ref->mv[1].as_int = 0;
if (is_inter_ref_frame(src_ref->ref_frame[0]) &&
src_ref->ref_frame[1] == NONE_FRAME) {
if ((abs(src_ref->mv[0].as_mv.row) <= REFMVS_LIMIT) &&
(abs(src_ref->mv[0].as_mv.col) <= REFMVS_LIMIT)) {
dst_ref->ref_frame[0] = src_ref->ref_frame[0];
dst_ref->mv[0].as_int = src_ref->mv[0].as_int;
}
} else {
for (int idx = 0; idx < 2; ++idx) {
if (is_inter_ref_frame(src_ref->ref_frame[idx])) {
int_mv src_ref_mv = src_ref->mv[idx];
if ((abs(src_ref_mv.as_mv.row) > REFMVS_LIMIT) ||
(abs(src_ref_mv.as_mv.col) > REFMVS_LIMIT)) {
continue;
} else {
// TODO: careful, may need to map this to cur ref
dst_ref->ref_frame[idx] = src_ref->ref_frame[idx];
dst_ref->mv[idx] = src_ref_mv;
}
}
}
}
check_frame_mv_slot(cm, dst_ref);
dst_ref++;
src_ref++;
}
dst_frame_mvs += frame_mvs_stride;
src_frame_mvs += frame_mvs_stride;
}
}
void bru_zero_sb_mvs(const AV1_COMMON *const cm, int dst_ref_idx, int mi_row,
int mi_col, int x_inside_boundary, int y_inside_boundary) {
const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1);
MV_REF *dst_frame_mvs =
((dst_ref_idx < 0) ? cm->cur_frame->mvs
: get_ref_frame_buf(cm, dst_ref_idx)->mvs) +
+(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1);
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1);
int w, h;
for (h = 0; h < y_inside_boundary; h++) {
// get mvs stored in bru ref frame
// MV_REF *bru_ref = frame_mvs;
MV_REF *dst_ref = dst_frame_mvs;
// MV_REFERENCE_FRAME ref_frame[2];
for (w = 0; w < x_inside_boundary; w++) {
dst_ref->ref_frame[0] = cm->bru.update_ref_idx;
dst_ref->ref_frame[1] = NONE_FRAME;
dst_ref->mv[0].as_int = 0;
dst_ref->mv[1].as_int = 0;
check_frame_mv_slot(cm, dst_ref);
dst_ref++;
}
dst_frame_mvs += frame_mvs_stride;
}
}
// Copy the MVs into the TMVP list
void av1_copy_frame_mvs(const AV1_COMMON *const cm, const MACROBLOCKD *const xd,
const MB_MODE_INFO *const mi, int mi_row, int mi_col,
int x_inside_boundary, int y_inside_boundary) {
if (cm->seq_params.enable_tip && cm->features.tip_frame_mode) {
av1_copy_frame_mvs_tip_frame_mode(cm, xd, mi, mi_row, mi_col,
x_inside_boundary, y_inside_boundary);
return;
}
const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1);
MV_REF *frame_mvs =
cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1);
x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1);
y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1);
int w, h;
const uint8_t *decisions = NULL;
const BLOCK_SIZE bsize = mi->sb_type[xd->tree_type == CHROMA_PART];
const int bw = block_size_wide[bsize];
const bool is_wedge = is_inter_ref_frame(mi->ref_frame[0]) &&
is_inter_ref_frame(mi->ref_frame[1]) &&
!is_tip_ref_frame(mi->ref_frame[0]) &&
!is_tip_ref_frame(mi->ref_frame[1]) &&
mi->interinter_comp.type == COMPOUND_WEDGE;
if (is_wedge) {
#if WEDGE_BLD_SIG && CONFIG_ADAPTIVE_WEDGE_BOUNDARY
decisions = av1_get_contiguous_soft_mask_decision(
mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign,
mi->interinter_comp.wedge_boundary_index, bsize);
#else
decisions = av1_get_contiguous_soft_mask_decision(
mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign, bsize);
#endif // WEDGE_BLD_SIG && CONFIG_ADAPTIVE_WEDGE_BOUNDARY
}
WarpedMotionParams warp_params[2];
int is_warp[2] = { 0 };
for (int idx = 0; idx < 2; idx++) {
is_warp[idx] = is_warp_affine_block(xd, mi, idx, &warp_params[idx]);
}
for (h = 0; h < y_inside_boundary; h++) {
MV_REF *mv = frame_mvs;
for (w = 0; w < x_inside_boundary; w++) {
mv->ref_frame[0] = NONE_FRAME;
mv->ref_frame[1] = NONE_FRAME;
mv->mv[0].as_int = 0;
mv->mv[1].as_int = 0;
if (is_inter_ref_frame(mi->ref_frame[0]) &&
mi->ref_frame[1] == NONE_FRAME) {
int_mv sub_block_mv;
if (is_warp[0]) {
const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE;
const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE;
sub_block_mv.as_mv = get_sub_block_warp_mv(
&warp_params[0], pixel_x, pixel_y, TMVP_MI_SIZE, TMVP_MI_SIZE);
} else {
sub_block_mv.as_mv = mi->mv[0].as_mv;
}
if ((abs(sub_block_mv.as_mv.row) <= REFMVS_LIMIT) &&
(abs(sub_block_mv.as_mv.col) <= REFMVS_LIMIT)) {
mv->ref_frame[0] = mi->ref_frame[0];
mv->mv[0].as_mv = sub_block_mv.as_mv;
process_mv_for_tmvp(&mv->mv[0].as_mv);
}
} else {
for (int idx = 0; idx < 2; ++idx) {
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
int_mv sub_block_mv;
if (is_warp[idx]) {
const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE;
const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE;
sub_block_mv.as_mv =
get_sub_block_warp_mv(&warp_params[idx], pixel_x, pixel_y,
TMVP_MI_SIZE, TMVP_MI_SIZE);
} else {
if (is_wedge) {
const int this_decision =
decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE];
if (this_decision == 0 && idx == 1) continue;
if (this_decision == 1 && idx == 0) continue;
}
sub_block_mv.as_mv = mi->mv[idx].as_mv;
}
if ((abs(sub_block_mv.as_mv.row) > REFMVS_LIMIT) ||
(abs(sub_block_mv.as_mv.col) > REFMVS_LIMIT))
continue;
mv->ref_frame[idx] = ref_frame;
mv->mv[idx].as_int = sub_block_mv.as_int;
process_mv_for_tmvp(&mv->mv[idx].as_mv);
}
}
}
check_frame_mv_slot(cm, mv);
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
// Fetch MVP candidates from derived SMVP into MVP candidate list
// when there is no enough MVP candidates.
static AOM_INLINE void fill_mvp_from_derived_smvp(
const MV_REFERENCE_FRAME rf[2], CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight, uint8_t *refmv_count,
CANDIDATE_MV *derived_mv_stack, uint8_t derived_mv_count,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
const MB_MODE_INFO *mbmi, MV_REFERENCE_FRAME *ref_frame_idx0,
MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
const int max_ref_mv_count
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
int index = 0;
int derived_idx = 0;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (mbmi->skip_mode) return;
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (rf[1] == NONE_FRAME) {
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
assert(!mbmi->skip_mode);
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) {
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (ref_mv_stack[index].this_mv.as_int ==
derived_mv_stack[derived_idx].this_mv.as_int) {
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < max_ref_mv_count) {
ref_mv_stack[index].this_mv = derived_mv_stack[derived_idx].this_mv;
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx;
ref_mv_weight[index] = REF_CAT_LEVEL;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < max_ref_mv_count) {
ref_mv_stack[*refmv_count].this_mv =
derived_mv_stack[derived_idx].this_mv;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx =
derived_mv_stack[derived_idx].cwp_idx;
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
} else {
for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) {
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((ref_mv_stack[index].this_mv.as_int ==
derived_mv_stack[derived_idx].this_mv.as_int) &&
(ref_mv_stack[index].comp_mv.as_int ==
derived_mv_stack[derived_idx].comp_mv.as_int)) {
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (!mbmi->skip_mode || (ref_frame_idx0[index] == rf[0] &&
ref_frame_idx1[index] == rf[1]))
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < max_ref_mv_count) {
ref_mv_stack[index].this_mv = derived_mv_stack[derived_idx].this_mv;
ref_mv_stack[index].comp_mv = derived_mv_stack[derived_idx].comp_mv;
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (mbmi->skip_mode) {
ref_frame_idx0[index] = rf[0];
ref_frame_idx1[index] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[index] = REF_CAT_LEVEL;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < max_ref_mv_count) {
ref_mv_stack[*refmv_count].this_mv =
derived_mv_stack[derived_idx].this_mv;
ref_mv_stack[*refmv_count].comp_mv =
derived_mv_stack[derived_idx].comp_mv;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx =
derived_mv_stack[derived_idx].cwp_idx;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (mbmi->skip_mode) {
ref_frame_idx0[index] = rf[0];
ref_frame_idx1[index] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
}
}
static AOM_INLINE void derive_ref_mv_candidate_from_tip_mode(
const AV1_COMMON *cm, int mi_row_cand, int mi_col_cand,
const MB_MODE_INFO *const candidate, uint8_t *refmv_count,
uint8_t *ref_match_count, uint8_t *newmv_count, CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight, uint16_t weight
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
int index = 0;
const int cand_tpl_row = (mi_row_cand >> TMVP_SHIFT_BITS);
const int cand_tpl_col = (mi_col_cand >> TMVP_SHIFT_BITS);
int_mv cand_mv = candidate->mv[0];
int_mv ref_mv[2];
get_tip_mv(cm, &cand_mv.as_mv, cand_tpl_col, cand_tpl_row, ref_mv);
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((ref_mv_stack[index].this_mv.as_int == ref_mv[0].as_int) &&
(ref_mv_stack[index].comp_mv.as_int == ref_mv[1].as_int)) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && index < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = ref_mv[0];
ref_mv_stack[index].comp_mv = ref_mv[1];
ref_mv_weight[index] = weight;
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = ref_mv[0];
ref_mv_stack[*refmv_count].comp_mv = ref_mv[1];
ref_mv_weight[*refmv_count] = weight;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
}
// add neighbor info to inter mode contexts
static AOM_INLINE void add_ref_mv_candidate_ctx(
const MB_MODE_INFO *const candidate, uint8_t *ref_match_count,
uint8_t *newmv_count, const AV1_COMMON *cm, const MV_REFERENCE_FRAME rf[2],
const MB_MODE_INFO *mbmi) {
if (!is_inter_block(candidate, SHARED_PART)) return;
const TIP *tip_ref = &cm->tip_ref;
if (mbmi->skip_mode) return;
if (rf[1] == NONE_FRAME) {
// single reference frame
if (candidate->ref_frame[0] == rf[0]) {
if (is_inter_mode(candidate->mode) &&
compound_ref0_mode(candidate->mode) == NEWMV)
++*newmv_count;
++*ref_match_count;
}
if (candidate->ref_frame[1] == rf[0] &&
candidate->ref_frame[0] != candidate->ref_frame[1]) {
if (is_inter_compound_mode(candidate->mode) &&
compound_ref1_mode(candidate->mode) == NEWMV)
++*newmv_count;
++*ref_match_count;
}
} else {
if (is_tip_ref_frame(candidate->ref_frame[0]) &&
candidate->ref_frame[1] == NONE_FRAME &&
rf[0] == tip_ref->ref_frame[0] && rf[1] == tip_ref->ref_frame[1] &&
cm->features.tip_frame_mode) {
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
} else {
// compound reference frame
if (candidate->ref_frame[0] == rf[0] &&
candidate->ref_frame[1] == rf[1]) {
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
}
}
}
}
static AOM_INLINE void add_ref_mv_candidate(
int mi_row, int mi_col, int mi_row_cand, int mi_col_cand,
const MB_MODE_INFO *const candidate, const SUBMB_INFO *const submi,
const MV_REFERENCE_FRAME rf[2], uint8_t *refmv_count,
uint8_t *ref_match_count, uint8_t *newmv_count, CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight, int_mv *gm_mv_candidates,
const WarpedMotionParams *gm_params,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
const MB_MODE_INFO *mbmi,
MV_REFERENCE_FRAME ref_frame_idx0[MAX_REF_MV_STACK_SIZE],
MV_REFERENCE_FRAME ref_frame_idx1[MAX_REF_MV_STACK_SIZE],
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
const AV1_COMMON *cm, int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv,
uint8_t *single_mv_count, CANDIDATE_MV *derived_mv_stack,
uint16_t *derived_mv_weight, uint8_t *derived_mv_count, uint8_t is_intrabc,
int row_offset, int col_offset, uint16_t weight
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count, int *drl_dr_pr_count, int *drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
if (!is_inter_block(candidate, SHARED_PART)) return;
if (is_intrabc != is_intrabc_block(candidate, SHARED_PART)) return;
int index, ref;
const TIP *tip_ref = &cm->tip_ref;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (mbmi->skip_mode) {
if (!is_tip_ref_frame(candidate->ref_frame[0]) &&
!is_tip_ref_frame(candidate->ref_frame[1]) &&
(is_inter_ref_frame(candidate->ref_frame[0]) &&
is_inter_ref_frame(candidate->ref_frame[1]))) {
int_mv this_refmv[2];
for (ref = 0; ref < 2; ++ref) {
if (is_global_mv_block(candidate, gm_params[rf[ref]].wmtype))
this_refmv[ref] = gm_mv_candidates[ref];
else
this_refmv[ref] = get_block_mv(candidate, submi, ref);
}
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((ref_mv_stack[index].this_mv.as_int == this_refmv[0].as_int) &&
(ref_mv_stack[index].comp_mv.as_int == this_refmv[1].as_int) &&
(ref_frame_idx0[index] == candidate->ref_frame[0]) &&
(ref_frame_idx1[index] == candidate->ref_frame[1])) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = this_refmv[0];
ref_mv_stack[index].comp_mv = this_refmv[1];
ref_frame_idx0[index] = candidate->ref_frame[0];
ref_frame_idx1[index] = candidate->ref_frame[1];
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
ref_mv_weight[index] = weight;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = this_refmv[0];
ref_mv_stack[*refmv_count].comp_mv = this_refmv[1];
ref_frame_idx0[*refmv_count] = candidate->ref_frame[0];
ref_frame_idx1[*refmv_count] = candidate->ref_frame[1];
ref_mv_stack[*refmv_count].cwp_idx = candidate->cwp_idx;
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
} else if (is_inter_ref_frame(candidate->ref_frame[0]) &&
candidate->ref_frame[1] == NONE_FRAME &&
!is_tip_ref_frame(candidate->ref_frame[0])) {
int_mv this_refmv;
if (is_global_mv_block(candidate,
gm_params[candidate->ref_frame[0]].wmtype)) {
return;
} else {
this_refmv = get_block_mv(candidate, submi, 0);
}
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int &&
ref_mv_stack[index].comp_mv.as_int == INVALID_MV &&
ref_frame_idx0[index] == candidate->ref_frame[0] &&
ref_frame_idx1[index] == candidate->ref_frame[1]) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = this_refmv;
ref_mv_stack[index].comp_mv.as_int = INVALID_MV;
ref_frame_idx0[index] = candidate->ref_frame[0];
ref_frame_idx1[index] = candidate->ref_frame[1];
ref_mv_weight[index] = weight;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = this_refmv;
ref_mv_stack[*refmv_count].comp_mv.as_int = INVALID_MV;
ref_frame_idx0[*refmv_count] = candidate->ref_frame[0];
ref_frame_idx1[*refmv_count] = candidate->ref_frame[1];
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
return;
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (rf[1] == NONE_FRAME) {
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
assert(!mbmi->skip_mode);
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
int_mv cand_tip_mvs[2];
MV_REFERENCE_FRAME cand_tip_ref_frames[2];
if (is_tip_ref_frame(candidate->ref_frame[0])) {
const int cand_tpl_row = (mi_row_cand >> TMVP_SHIFT_BITS);
const int cand_tpl_col = (mi_col_cand >> TMVP_SHIFT_BITS);
int_mv cand_mv = candidate->mv[0];
get_tip_mv(cm, &cand_mv.as_mv, cand_tpl_col, cand_tpl_row, cand_tip_mvs);
cand_tip_ref_frames[0] = cm->tip_ref.ref_frame[0];
cand_tip_ref_frames[1] = cm->tip_ref.ref_frame[1];
} else {
cand_tip_mvs[0].as_int = INVALID_MV;
cand_tip_mvs[1].as_int = INVALID_MV;
cand_tip_ref_frames[0] = NONE_FRAME;
cand_tip_ref_frames[1] = NONE_FRAME;
}
// single reference frame
for (ref = 0; ref < 2; ++ref) {
if (candidate->ref_frame[ref] == rf[0]) {
int_mv this_refmv;
if (is_tip_ref_frame(rf[0])) {
this_refmv = get_block_mv(candidate, submi, ref);
} else {
const int is_gm_block =
is_global_mv_block(candidate, gm_params[rf[0]].wmtype);
this_refmv = is_gm_block ? gm_mv_candidates[0]
: get_block_mv(candidate, submi, ref);
}
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = this_refmv;
ref_mv_stack[index].row_offset = row_offset;
ref_mv_stack[index].col_offset = col_offset;
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
ref_mv_weight[index] = weight;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = this_refmv;
ref_mv_stack[*refmv_count].row_offset = row_offset;
ref_mv_stack[*refmv_count].col_offset = col_offset;
ref_mv_stack[*refmv_count].cwp_idx = candidate->cwp_idx;
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
if (ref == 0) {
if (is_inter_mode(candidate->mode) &&
compound_ref0_mode(candidate->mode) == NEWMV)
++*newmv_count;
++*ref_match_count;
}
if (ref == 1 && candidate->ref_frame[0] != candidate->ref_frame[1]) {
if (is_inter_compound_mode(candidate->mode) &&
compound_ref1_mode(candidate->mode) == NEWMV)
++*newmv_count;
++*ref_match_count;
}
} else if (cand_tip_ref_frames[ref] == rf[0]) {
int_mv this_refmv = cand_tip_mvs[ref];
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = this_refmv;
ref_mv_stack[index].row_offset = row_offset;
ref_mv_stack[index].col_offset = col_offset;
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
ref_mv_weight[index] = weight;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = this_refmv;
ref_mv_stack[*refmv_count].row_offset = row_offset;
ref_mv_stack[*refmv_count].col_offset = col_offset;
ref_mv_stack[*refmv_count].cwp_idx = candidate->cwp_idx;
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
} else if (add_more_mvs && ref == 0 && is_tip_ref_frame(rf[0]) &&
candidate->ref_frame[0] == tip_ref->ref_frame[0] &&
candidate->ref_frame[1] == tip_ref->ref_frame[1] &&
cm->features.tip_frame_mode) {
int_mv cand_mvs[2];
cand_mvs[0] = candidate->mv[0];
cand_mvs[1] = candidate->mv[1];
int_mv cand_linear_mv;
cand_linear_mv.as_mv.row =
cand_mvs[0].as_mv.row - cand_mvs[1].as_mv.row;
cand_linear_mv.as_mv.col =
cand_mvs[0].as_mv.col - cand_mvs[1].as_mv.col;
int_mv cand_projected_mv_0;
tip_get_mv_projection(&cand_projected_mv_0.as_mv, cand_linear_mv.as_mv,
tip_ref->ref_frames_offset_sf[0]);
int_mv derived_mv;
derived_mv.as_mv.row =
cand_mvs[0].as_mv.row - cand_projected_mv_0.as_mv.row;
derived_mv.as_mv.col =
cand_mvs[0].as_mv.col - cand_projected_mv_0.as_mv.col;
const int clamp_max = MV_UPP - 1;
const int clamp_min = MV_LOW + 1;
derived_mv.as_mv.row =
clamp(derived_mv.as_mv.row, clamp_min, clamp_max);
derived_mv.as_mv.col =
clamp(derived_mv.as_mv.col, clamp_min, clamp_max);
#if CONFIG_DRL_PR_LIM
if (*drl_dr_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *derived_mv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (derived_mv_stack[index].this_mv.as_int == derived_mv.as_int) {
derived_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *derived_mv_count &&
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[index].this_mv = derived_mv;
derived_mv_weight[index] = weight;
derived_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[*derived_mv_count].this_mv = derived_mv;
derived_mv_weight[*derived_mv_count] = weight;
derived_mv_stack[*derived_mv_count].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
} else if (add_more_mvs &&
(is_inter_ref_frame(candidate->ref_frame[ref]) ||
is_tip_ref_frame(candidate->ref_frame[0])) &&
rf[0] != INTRA_FRAME && !is_tip_ref_frame(rf[0])
#if !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
&& cm->seq_params.order_hint_info.enable_order_hint
#endif // !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
) {
int_mv cand_refmv;
MV_REFERENCE_FRAME cand_ref_frame;
if (is_tip_ref_frame(candidate->ref_frame[0])) {
cand_refmv.as_int = cand_tip_mvs[ref].as_int;
cand_ref_frame = cand_tip_ref_frames[ref];
} else {
cand_refmv = get_block_mv(candidate, submi, ref);
cand_ref_frame = candidate->ref_frame[ref];
}
int this_tpl_row = mi_row >> 1;
int this_tpl_col = mi_col >> 1;
if (cm->seq_params.enable_mv_traj && cm->features.allow_ref_frame_mvs &&
cm->id_offset_map_rows[rf[0]][this_tpl_row][this_tpl_col].as_int !=
INVALID_MV &&
cm->id_offset_map_rows[cand_ref_frame][this_tpl_row][this_tpl_col]
.as_int != INVALID_MV) {
int_mv mv_traj_cand_ref =
cm->id_offset_map_rows[cand_ref_frame][this_tpl_row]
[this_tpl_col];
int_mv mv_traj_cur_ref =
cm->id_offset_map_rows[rf[0]][this_tpl_row][this_tpl_col];
const int clamp_max = MV_UPP - 1;
const int clamp_min = MV_LOW + 1;
int_mv derived_mv;
derived_mv.as_mv.row = clamp(
cand_refmv.as_mv.row +
(mv_traj_cur_ref.as_mv.row - mv_traj_cand_ref.as_mv.row),
clamp_min, clamp_max);
derived_mv.as_mv.col = clamp(
cand_refmv.as_mv.col +
(mv_traj_cur_ref.as_mv.col - mv_traj_cand_ref.as_mv.col),
clamp_min, clamp_max);
#if CONFIG_DRL_PR_LIM
if (*drl_dr_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *derived_mv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (derived_mv_stack[index].this_mv.as_int == derived_mv.as_int) {
derived_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *derived_mv_count &&
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[index].this_mv = derived_mv;
derived_mv_weight[index] = weight;
derived_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[*derived_mv_count].this_mv = derived_mv;
derived_mv_weight[*derived_mv_count] = weight;
derived_mv_stack[*derived_mv_count].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
} else {
const int cur_blk_ref_side = cm->ref_frame_side[rf[0]];
const int cand_blk_ref_side = cm->ref_frame_side[cand_ref_frame];
const int same_side =
(cur_blk_ref_side > 0 && cand_blk_ref_side > 0) ||
(cur_blk_ref_side == 0 && cand_blk_ref_side == 0);
if (same_side) {
const int cur_to_ref_dist = cm->ref_frame_relative_dist[rf[0]];
const int cand_to_ref_dist =
cm->ref_frame_relative_dist[cand_ref_frame];
int_mv this_refmv;
get_mv_projection(&this_refmv.as_mv, cand_refmv.as_mv,
cur_to_ref_dist, cand_to_ref_dist);
#if CONFIG_DRL_PR_LIM
if (*drl_dr_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *derived_mv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (derived_mv_stack[index].this_mv.as_int ==
this_refmv.as_int) {
derived_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *derived_mv_count &&
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[index].this_mv = this_refmv;
derived_mv_weight[index] = weight;
derived_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[*derived_mv_count].this_mv = this_refmv;
derived_mv_weight[*derived_mv_count] = weight;
derived_mv_stack[*derived_mv_count].cwp_idx =
candidate->cwp_idx;
++(*derived_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
}
}
}
} else {
if (is_tip_ref_frame(candidate->ref_frame[0]) &&
candidate->ref_frame[1] == NONE_FRAME &&
rf[0] == tip_ref->ref_frame[0] && rf[1] == tip_ref->ref_frame[1] &&
cm->features.tip_frame_mode) {
derive_ref_mv_candidate_from_tip_mode(
cm, mi_row_cand, mi_col_cand, candidate, refmv_count, ref_match_count,
newmv_count, ref_mv_stack, ref_mv_weight, weight
#if CONFIG_DRL_PR_LIM
,
drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
} else {
// compound reference frame
if (candidate->ref_frame[0] == rf[0] &&
candidate->ref_frame[1] == rf[1]) {
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (mbmi->skip_mode) return;
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
int_mv this_refmv[2];
for (ref = 0; ref < 2; ++ref) {
if (is_global_mv_block(candidate, gm_params[rf[ref]].wmtype))
this_refmv[ref] = gm_mv_candidates[ref];
else
this_refmv[ref] = get_block_mv(candidate, submi, ref);
}
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *refmv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((ref_mv_stack[index].this_mv.as_int == this_refmv[0].as_int) &&
(ref_mv_stack[index].comp_mv.as_int == this_refmv[1].as_int)) {
ref_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[index].this_mv = this_refmv[0];
ref_mv_stack[index].comp_mv = this_refmv[1];
ref_mv_weight[index] = weight;
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv = this_refmv[0];
ref_mv_stack[*refmv_count].comp_mv = this_refmv[1];
ref_mv_weight[*refmv_count] = weight;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
} else if (add_more_mvs) {
if (cm->seq_params.enable_mv_traj &&
#if !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
cm->seq_params.order_hint_info.enable_order_hint &&
#endif // !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
cm->features.allow_ref_frame_mvs && rf[0] != rf[1] &&
is_inter_ref_frame(rf[0]) && is_inter_ref_frame(rf[1])) {
for (ref = 0; ref < 2; ref++) {
if (!is_inter_ref_frame(candidate->ref_frame[ref]) ||
is_tip_ref_frame(candidate->ref_frame[ref]))
continue;
const int_mv cand_refmv = get_block_mv(candidate, submi, ref);
int this_tpl_row = mi_row >> 1;
int this_tpl_col = mi_col >> 1;
int_mv mv_traj_cand_ref =
cm->id_offset_map_rows[candidate->ref_frame[ref]][this_tpl_row]
[this_tpl_col];
int_mv mv_traj_cur_ref0 =
cm->id_offset_map_rows[rf[0]][this_tpl_row][this_tpl_col];
int_mv mv_traj_cur_ref1 =
cm->id_offset_map_rows[rf[1]][this_tpl_row][this_tpl_col];
if (mv_traj_cand_ref.as_int == INVALID_MV ||
mv_traj_cur_ref0.as_int == INVALID_MV ||
mv_traj_cur_ref1.as_int == INVALID_MV) {
continue;
}
int_mv this_refmv[2];
const int clamp_max = MV_UPP - 1;
const int clamp_min = MV_LOW + 1;
this_refmv[0].as_mv.row = clamp(
cand_refmv.as_mv.row +
(mv_traj_cur_ref0.as_mv.row - mv_traj_cand_ref.as_mv.row),
clamp_min, clamp_max);
this_refmv[0].as_mv.col = clamp(
cand_refmv.as_mv.col +
(mv_traj_cur_ref0.as_mv.col - mv_traj_cand_ref.as_mv.col),
clamp_min, clamp_max);
this_refmv[1].as_mv.row = clamp(
cand_refmv.as_mv.row +
(mv_traj_cur_ref1.as_mv.row - mv_traj_cand_ref.as_mv.row),
clamp_min, clamp_max);
this_refmv[1].as_mv.col = clamp(
cand_refmv.as_mv.col +
(mv_traj_cur_ref1.as_mv.col - mv_traj_cand_ref.as_mv.col),
clamp_min, clamp_max);
#if CONFIG_DRL_PR_LIM
if (*drl_dr_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *derived_mv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((derived_mv_stack[index].this_mv.as_int ==
this_refmv[0].as_int) &&
(derived_mv_stack[index].comp_mv.as_int ==
this_refmv[1].as_int)) {
derived_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *derived_mv_count &&
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[index].this_mv = this_refmv[0];
derived_mv_stack[index].comp_mv = this_refmv[1];
derived_mv_weight[index] = weight;
derived_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[*derived_mv_count].this_mv = this_refmv[0];
derived_mv_stack[*derived_mv_count].comp_mv = this_refmv[1];
derived_mv_weight[*derived_mv_count] = weight;
derived_mv_stack[*derived_mv_count].cwp_idx =
candidate->cwp_idx;
++(*derived_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
}
// Compound reference frame, but only have one reference frame
// is the same as the reference frame of the neighboring block
int candidate_ref_idx0 = -1;
int candidate_ref_idx1 = -1;
int which_cand_ref = -1;
if (candidate->ref_frame[0] == rf[0] ||
candidate->ref_frame[1] == rf[0]) {
candidate_ref_idx0 = 0;
candidate_ref_idx1 = 1;
which_cand_ref = (candidate->ref_frame[0] == rf[0]) ? 0 : 1;
} else if (candidate->ref_frame[0] == rf[1] ||
candidate->ref_frame[1] == rf[1]) {
candidate_ref_idx0 = 1;
candidate_ref_idx1 = 0;
which_cand_ref = (candidate->ref_frame[0] == rf[1]) ? 0 : 1;
}
if (candidate_ref_idx0 != -1 && candidate_ref_idx1 != -1) {
int_mv this_refmv[2];
const int is_gm_block = is_global_mv_block(
candidate, gm_params[rf[candidate_ref_idx0]].wmtype);
this_refmv[candidate_ref_idx0] =
is_gm_block ? gm_mv_candidates[candidate_ref_idx0]
: get_block_mv(candidate, submi, which_cand_ref);
int cand_idx = 0;
for (cand_idx = 0; cand_idx < *single_mv_count; ++cand_idx) {
if (single_mv[cand_idx].ref_frame == rf[candidate_ref_idx1]) {
this_refmv[candidate_ref_idx1].as_int =
single_mv[cand_idx].mv.as_int;
break;
}
}
// Add a new item to the list.
if (cand_idx < *single_mv_count) {
#if CONFIG_DRL_PR_LIM
if (*drl_dr_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (index = 0; index < *derived_mv_count; ++index) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((derived_mv_stack[index].this_mv.as_int ==
this_refmv[0].as_int) &&
(derived_mv_stack[index].comp_mv.as_int ==
this_refmv[1].as_int)) {
derived_mv_weight[index] += weight;
break;
}
}
// Add a new item to the list.
if (index == *derived_mv_count &&
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[index].this_mv = this_refmv[0];
derived_mv_stack[index].comp_mv = this_refmv[1];
derived_mv_weight[index] = weight;
derived_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*derived_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*derived_mv_count < MAX_DR_STACK_SIZE
#else
*derived_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
derived_mv_stack[*derived_mv_count].this_mv = this_refmv[0];
derived_mv_stack[*derived_mv_count].comp_mv = this_refmv[1];
derived_mv_weight[*derived_mv_count] = weight;
derived_mv_stack[*derived_mv_count].cwp_idx =
candidate->cwp_idx;
++(*derived_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
// Add the candidate to single MV stack
#if CONFIG_DRL_PR_LIM
if (*drl_dr_single_pr_count < MAX_DR_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (cand_idx = 0; cand_idx < *single_mv_count; ++cand_idx) {
#if CONFIG_DRL_PR_LIM
++(*drl_dr_single_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (single_mv[cand_idx].ref_frame == rf[candidate_ref_idx0] &&
(single_mv[cand_idx].mv.as_int ==
this_refmv[candidate_ref_idx0].as_int)) {
break;
}
}
if (cand_idx == *single_mv_count &&
#if MAX_DR_STACK_SIZE
*single_mv_count < MAX_DR_STACK_SIZE
#else
*single_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
single_mv[cand_idx].mv.as_int =
this_refmv[candidate_ref_idx0].as_int;
single_mv[cand_idx].ref_frame = rf[candidate_ref_idx0];
++(*single_mv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (
#if MAX_DR_STACK_SIZE
*single_mv_count < MAX_DR_STACK_SIZE
#else
*single_mv_count < MAX_REF_MV_STACK_SIZE
#endif
) {
single_mv[*single_mv_count].mv.as_int =
this_refmv[candidate_ref_idx0].as_int;
single_mv[*single_mv_count].ref_frame = rf[candidate_ref_idx0];
++(*single_mv_count);
}
}
#endif // CONFIG_DRL_PR_LIM
}
}
}
}
}
// Check if the candidate block has valid warp parameters
// Return 1 if the candidate warp parameters are valid
static INLINE uint8_t is_valid_warp_parameters(
const AV1_COMMON *cm, const MB_MODE_INFO *neighbor_mbmi,
const int ref_frame, WarpedMotionParams *neighbor_params) {
(void)cm;
#if CONFIG_COMPOUND_WARP_CAUSAL && !COMPOUND_WARP_LINE_BUFFER_REDUCTION
if (is_warp_mode(neighbor_mbmi->motion_mode)) {
for (int ref_idx = 0;
ref_idx < 1 + is_inter_compound_mode(neighbor_mbmi->mode); ref_idx++) {
int is_same_ref = (neighbor_mbmi->ref_frame[ref_idx] == ref_frame);
if (is_same_ref && !neighbor_mbmi->wm_params[ref_idx].invalid &&
neighbor_params) {
*neighbor_params = neighbor_mbmi->wm_params[ref_idx];
return 1;
}
}
}
#else
int is_same_ref = (neighbor_mbmi->ref_frame[0] == ref_frame);
if (is_same_ref && is_warp_mode(neighbor_mbmi->motion_mode) &&
!neighbor_mbmi->wm_params[0].invalid && neighbor_params) {
*neighbor_params = neighbor_mbmi->wm_params[0];
return 1;
}
#endif // CONFIG_COMPOUND_WARP_CAUSAL
return 0;
}
// Insert the candidate warp parameters to the WRL
void insert_neighbor_warp_candidate(
WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES],
const WarpedMotionParams *neigh_params, uint8_t curr_num_of_candidates,
const WarpProjectionType proj_type) {
if (neigh_params)
warp_candidates[curr_num_of_candidates].wm_params = *neigh_params;
warp_candidates[curr_num_of_candidates].proj_type = proj_type;
}
// Check if the candidate warp parameters are already in the list or not.
static int is_this_param_already_in_list(
const uint8_t curr_num_of_candidates,
WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES],
WarpedMotionParams neigh_params) {
#if CONFIG_WRL_NO_PRUNING
(void)curr_num_of_candidates;
(void)warp_candidates;
(void)neigh_params;
#else
for (int i = 0; i < curr_num_of_candidates; i++) {
int same_param =
(neigh_params.wmmat[2] == warp_candidates[i].wm_params.wmmat[2]);
same_param &=
(neigh_params.wmmat[3] == warp_candidates[i].wm_params.wmmat[3]);
same_param &=
(neigh_params.wmmat[4] == warp_candidates[i].wm_params.wmmat[4]);
same_param &=
(neigh_params.wmmat[5] == warp_candidates[i].wm_params.wmmat[5]);
#if !CONFIG_WRL_PRUNE_FOUR_PARAMETERS
// The translational part is used for WARPMV mode
same_param &=
(neigh_params.wmmat[0] == warp_candidates[i].wm_params.wmmat[0]);
same_param &=
(neigh_params.wmmat[1] == warp_candidates[i].wm_params.wmmat[1]);
#endif // !CONFIG_WRL_PRUNE_FOUR_PARAMETERS
if (same_param) return 1;
}
#endif // CONFIG_WRL_NO_PRUNING
return 0;
}
void check_this_warp_candidate(
const AV1_COMMON *cm, const MB_MODE_INFO *const neighbor_mbmi,
WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES],
const int ref_frame, const int max_num_of_candidates,
uint8_t *curr_num_of_candidates, const WarpProjectionType proj_type) {
if (!is_inter_block(neighbor_mbmi, SHARED_PART)) return;
if (is_intrabc_block(neighbor_mbmi, SHARED_PART)) return;
WarpedMotionParams neigh_params;
if (*curr_num_of_candidates < max_num_of_candidates &&
is_valid_warp_parameters(cm, neighbor_mbmi, ref_frame, &neigh_params)) {
if (!is_this_param_already_in_list(*curr_num_of_candidates, warp_candidates,
neigh_params)) {
insert_neighbor_warp_candidate(warp_candidates, &neigh_params,
*curr_num_of_candidates, proj_type);
++(*curr_num_of_candidates);
}
}
}
// update processed_cols variable, when scan_col_mbmi() is not used for adjacent
// neigbhors
static AOM_INLINE void update_processed_cols(const MACROBLOCKD *xd, int mi_row,
int mi_col, int row_offset,
int col_offset, int max_col_offset,
int *processed_cols) {
const TileInfo *const tile = &xd->tile;
const POSITION mi_pos = { row_offset, col_offset };
if (is_inside(tile, mi_col, mi_row, &mi_pos)) {
const MB_MODE_INFO *const candidate =
xd->mi[row_offset * xd->mi_stride + col_offset];
const int n8_h_8 = mi_size_high[BLOCK_8X8];
const int candidate_bsize =
candidate->sb_type[xd->tree_type == CHROMA_PART];
const int n4_h = mi_size_high[candidate_bsize];
if (xd->height >= n8_h_8 && xd->height <= n4_h) {
const int inc = AOMMIN(-max_col_offset + col_offset + 1,
mi_size_wide[candidate_bsize]);
// Update processed cols.
*processed_cols = inc - col_offset - 1;
}
}
}
static AOM_INLINE void scan_blk_mbmi_ctx(
const AV1_COMMON *cm, const MACROBLOCKD *xd, const int mi_row,
const int mi_col, const MV_REFERENCE_FRAME rf[2], int row_offset,
int col_offset, uint8_t *ref_match_count, uint8_t *newmv_count) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
mi_pos.row = row_offset;
mi_pos.col = col_offset;
if (is_inside(tile, mi_col, mi_row, &mi_pos)) {
const MB_MODE_INFO *const candidate =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
add_ref_mv_candidate_ctx(candidate, ref_match_count, newmv_count, cm, rf,
xd->mi[0]);
}
}
static AOM_INLINE void scan_blk_mbmi(
const AV1_COMMON *cm, const MACROBLOCKD *xd, const int mi_row,
const int mi_col, const MV_REFERENCE_FRAME rf[2], int row_offset,
int col_offset, CANDIDATE_MV *ref_mv_stack, uint16_t *ref_mv_weight,
uint8_t *ref_match_count, uint8_t *newmv_count, int_mv *gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv, uint8_t *single_mv_count,
CANDIDATE_MV *derived_mv_stack, uint16_t *derived_mv_weight,
uint8_t *derived_mv_count,
WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES],
int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates,
MV_REFERENCE_FRAME ref_frame, uint8_t *refmv_count
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count, int *drl_dr_pr_count, int *drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
mi_pos.row = row_offset;
mi_pos.col = col_offset;
if (is_inside(tile, mi_col, mi_row, &mi_pos)) {
const MB_MODE_INFO *const candidate =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
const SUBMB_INFO *const submi =
xd->submi[mi_pos.row * xd->mi_stride + mi_pos.col];
uint16_t weight = ADJACENT_SMVP_WEIGHT;
// Don't add weight to (-1,-1) which is in the outer area
if (row_offset == -1 && col_offset == -1) {
weight = OTHER_SMVP_WEIGHT;
}
// Don't add weight to col_offset < -1 which is in the outer area
if (col_offset < -1) {
weight = OTHER_SMVP_WEIGHT;
}
const int cand_mi_row = xd->mi_row + mi_pos.row;
const int cand_mi_col = xd->mi_col + mi_pos.col;
if (warp_param_stack && valid_num_warp_candidates &&
max_num_of_warp_candidates) {
check_this_warp_candidate(cm, candidate, warp_param_stack, ref_frame,
max_num_of_warp_candidates,
valid_num_warp_candidates, PROJ_SPATIAL);
}
if (*refmv_count >= MAX_REF_MV_STACK_SIZE) return;
add_ref_mv_candidate(mi_row, mi_col, cand_mi_row, cand_mi_col, candidate,
submi, rf, refmv_count, ref_match_count, newmv_count,
ref_mv_stack, ref_mv_weight, gm_mv_candidates,
cm->global_motion,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
cm, add_more_mvs, single_mv, single_mv_count,
derived_mv_stack, derived_mv_weight, derived_mv_count,
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART],
row_offset, col_offset, weight
#if CONFIG_DRL_PR_LIM
,
drl_pr_count, drl_dr_pr_count, drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
} // Analyze a single 8x8 block motion information.
}
static int has_top_right(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int mi_row, int mi_col, int n4_w) {
const int sb_mi_size = mi_size_wide[cm->sb_size];
const int mask_row = mi_row & (sb_mi_size - 1);
const int mask_col = mi_col & (sb_mi_size - 1);
if (n4_w > mi_size_wide[BLOCK_64X64]) return 0;
const int tr_mask_row = mask_row - 1;
const int tr_mask_col = mask_col + n4_w;
int has_tr;
if (tr_mask_row < 0) {
// The top-right block is in a superblock above the current sb row. If it is
// in the current tile or a previously coded one, it has been coded.
// Otherwise later the tile boundary checker will figure out whether it is
// available.
has_tr = 1;
} else if (tr_mask_col >= sb_mi_size) {
// The top-right block is in the superblock on the right side, therefore it
// is not coded yet.
has_tr = 0;
} else {
// For a general case, we use is_mi_coded array for the current superblock
// to figure out the availability.
const int tr_offset = tr_mask_row * xd->is_mi_coded_stride + tr_mask_col;
has_tr = xd->is_mi_coded[av1_get_sdp_idx(xd->tree_type)][tr_offset];
}
return has_tr;
}
static int has_bottom_left(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int mi_row, int mi_col, int n4_h) {
const int sb_mi_size = mi_size_wide[cm->sb_size];
const int mask_row = mi_row & (sb_mi_size - 1);
const int mask_col = mi_col & (sb_mi_size - 1);
if (n4_h > mi_size_high[BLOCK_64X64]) return 0;
const int bl_mask_row = mask_row + n4_h;
const int bl_mask_col = mask_col - 1;
if (bl_mask_row >= sb_mi_size) {
// If the bottom right block is in the superblock row below, then it's not
// ready yet
// TODO(chiyotsai): Take care of tile boundary
return 0;
} else if (bl_mask_col < 0) {
// The bottom-left block is in a superblock left of the current sb and it is
// in the same sb row. If it in the same tile, then it has been coded.
// Otherwise, boundary check will figure out when it's available
return 1;
} else {
// For a general case, we use is_mi_coded array for the current superblock
// to figure out the availability.
const int bl_offset = bl_mask_row * xd->is_mi_coded_stride + bl_mask_col;
return xd->is_mi_coded[av1_get_sdp_idx(xd->tree_type)][bl_offset];
}
}
static AOM_INLINE int compute_cur_to_ref_dist(const AV1_COMMON *cm,
MV_REFERENCE_FRAME ref_frame) {
const int cur_frame_index = cm->cur_frame->display_order_hint;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
const int frame_index = buf->display_order_hint;
const int cur_ref_offset = get_relative_dist(&cm->seq_params.order_hint_info,
cur_frame_index, frame_index);
return cur_ref_offset;
}
static int add_tpl_ref_mv(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int mi_row, int mi_col, MV_REFERENCE_FRAME ref_frame,
int blk_row, int blk_col, uint8_t *const refmv_count,
int *added_tmvp_cnt,
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE]
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
,
MV_REFERENCE_FRAME *ref_frame_idx0,
MV_REFERENCE_FRAME *ref_frame_idx1
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
if (*refmv_count >= MAX_REF_MV_STACK_SIZE) return 0;
POSITION mi_pos;
mi_pos.row = blk_row;
mi_pos.col = blk_col;
if (!is_inside(&xd->tile, mi_col, mi_row, &mi_pos)) return 0;
const int tpl_row = ((mi_row + mi_pos.row) >> TMVP_SHIFT_BITS);
const int tpl_col = ((mi_col + mi_pos.col) >> TMVP_SHIFT_BITS);
assert((((tpl_row << TMVP_SHIFT_BITS) + 1) >= mi_row) &&
(mi_row + mi_size_high[xd->mi[0]->sb_type[PLANE_TYPE_Y]] >
tpl_row << TMVP_SHIFT_BITS));
assert((((tpl_col << TMVP_SHIFT_BITS) + 1) >= mi_col) &&
(mi_col + mi_size_wide[xd->mi[0]->sb_type[PLANE_TYPE_Y]] >
tpl_col << TMVP_SHIFT_BITS));
const TPL_MV_REF *prev_frame_mvs = cm->tpl_mvs_rows[tpl_row] + tpl_col;
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
if (is_tip_ref_frame(rf[0])) {
return 0;
}
bool linear_available = prev_frame_mvs->mfmv0.as_int != INVALID_MV;
bool mvtj_available[2] = { true, true };
if (!cm->seq_params.enable_mv_traj || rf[0] == NONE_FRAME ||
rf[0] >= cm->ref_frames_info.num_total_refs ||
cm->id_offset_map_rows[rf[0]][tpl_row][tpl_col].as_int == INVALID_MV) {
mvtj_available[0] = false;
}
if (!cm->seq_params.enable_mv_traj || rf[1] == NONE_FRAME ||
rf[1] >= cm->ref_frames_info.num_total_refs ||
cm->id_offset_map_rows[rf[1]][tpl_row][tpl_col].as_int == INVALID_MV) {
mvtj_available[1] = false;
}
bool mvtj_ok = rf[1] == NONE_FRAME ? mvtj_available[0]
: mvtj_available[0] && mvtj_available[1];
if (!linear_available && !mvtj_ok) return 0;
const int cur_frame_index = cm->cur_frame->display_order_hint;
const RefCntBuffer *const buf_0 = get_ref_frame_buf(cm, rf[0]);
const int frame0_index = buf_0->display_order_hint;
const int cur_offset_0 = get_relative_dist(&cm->seq_params.order_hint_info,
cur_frame_index, frame0_index);
int idx;
int_mv this_refmv;
if (mvtj_available[0]) {
this_refmv = cm->id_offset_map_rows[rf[0]][tpl_row][tpl_col];
} else {
assert(linear_available);
get_mv_projection(&this_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv,
cur_offset_0, prev_frame_mvs->ref_frame_offset);
}
uint16_t weight = TMVP_WEIGHT;
if (rf[1] == NONE_FRAME) {
if (abs(cur_offset_0) <= 2) {
weight = HIGH_PRIORITY_TMVP_WEIGHT;
}
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
assert(!xd->mi[0]->skip_mode);
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (idx = 0; idx < *refmv_count; ++idx) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int) break;
}
if (idx < *refmv_count) ref_mv_weight[idx] += weight;
if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
ref_mv_weight[idx] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
}
#endif // CONFIG_DRL_PR_LIM
} else {
// Process compound inter mode
int_mv comp_refmv;
if (mvtj_available[1]) {
comp_refmv = cm->id_offset_map_rows[rf[1]][tpl_row][tpl_col];
} else {
assert(linear_available);
const RefCntBuffer *const buf_1 = get_ref_frame_buf(cm, rf[1]);
const int frame1_index = buf_1->display_order_hint;
const int cur_offset_1 = get_relative_dist(
&cm->seq_params.order_hint_info, cur_frame_index, frame1_index);
get_mv_projection(&comp_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv,
cur_offset_1, prev_frame_mvs->ref_frame_offset);
}
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (idx = 0; idx < *refmv_count; ++idx) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int &&
comp_refmv.as_int == ref_mv_stack[idx].comp_mv.as_int &&
ref_frame_idx0[idx] == rf[0] && ref_frame_idx1[idx] == rf[1])
break;
}
if (idx < *refmv_count) ref_mv_weight[idx] += weight;
if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[idx].comp_mv.as_int = comp_refmv.as_int;
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
ref_frame_idx0[idx] = rf[0];
ref_frame_idx1[idx] = rf[1];
ref_mv_weight[idx] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[*refmv_count].comp_mv.as_int = comp_refmv.as_int;
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
ref_frame_idx0[*refmv_count] = rf[0];
ref_frame_idx1[*refmv_count] = rf[1];
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
}
#endif // CONFIG_DRL_PR_LIM
} else {
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (idx = 0; idx < *refmv_count; ++idx) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int &&
comp_refmv.as_int == ref_mv_stack[idx].comp_mv.as_int)
break;
}
if (idx < *refmv_count) ref_mv_weight[idx] += weight;
if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[idx].comp_mv.as_int = comp_refmv.as_int;
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
ref_mv_weight[idx] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv.as_int = this_refmv.as_int;
ref_mv_stack[*refmv_count].comp_mv.as_int = comp_refmv.as_int;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
++(*added_tmvp_cnt);
}
}
#endif // CONFIG_DRL_PR_LIM
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
}
return 1;
}
// This function determines which refmv bank list should be used for the
// given input reference frame.
// In total, 9 refmv bank lists are required:
// 1) Single inter with reference frames 0~5, each has its own refmv bank list.
// 2) Compound inter with reference frame pairs [0, 0] and [0, 1],
// each has its own refmv bank list.
// 3) All remaining inter predictions share a single refmv bank list.
static AOM_INLINE int get_rmb_list_index(const MV_REFERENCE_FRAME ref_frame) {
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
if (rf[0] == 0 && rf[1] == NONE_FRAME) {
return 0;
} else if (rf[0] == 1 && rf[1] == NONE_FRAME) {
return 1;
} else if (rf[0] == 2 && rf[1] == NONE_FRAME) {
return 2;
} else if (rf[0] == 3 && rf[1] == NONE_FRAME) {
return 3;
} else if (rf[0] == 4 && rf[1] == NONE_FRAME) {
return 4;
} else if (rf[0] == 5 && rf[1] == NONE_FRAME) {
return 5;
} else if (rf[0] == 0 && rf[1] == 0) {
return 6;
} else if (rf[0] == 0 && rf[1] == 1) {
return 7;
} else {
return 8;
}
}
static AOM_INLINE bool check_rmb_cand(
CANDIDATE_MV cand_mv, CANDIDATE_MV *ref_mv_stack, uint16_t *ref_mv_weight,
uint8_t *refmv_count, int is_comp, int mi_row, int mi_col, int block_width,
int block_height, int frame_width, int frame_height
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
// Check if the MV candidate is already existing in the ref MV stack.
#if CONFIG_DRL_PR_LIM
if (*drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
for (int i = 0; i < *refmv_count; ++i) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if (ref_mv_stack[i].this_mv.as_int == cand_mv.this_mv.as_int &&
(!is_comp ||
ref_mv_stack[i].comp_mv.as_int == cand_mv.comp_mv.as_int)) {
return false;
}
}
#if CONFIG_DRL_PR_LIM
}
#endif // CONFIG_DRL_PR_LIM
// Check if the MV candidate is pointing to ref block inside frame boundary.
for (int i = 0; i < 1 + is_comp; ++i) {
const int mv_row =
(i ? cand_mv.comp_mv.as_mv.row : cand_mv.this_mv.as_mv.row) / 8;
const int mv_col =
(i ? cand_mv.comp_mv.as_mv.col : cand_mv.this_mv.as_mv.col) / 8;
const int ref_x = mi_col * MI_SIZE + mv_col;
const int ref_y = mi_row * MI_SIZE + mv_row;
if (ref_x <= -block_width || ref_y <= -block_height ||
ref_x >= frame_width || ref_y >= frame_height) {
return false;
}
}
ref_mv_stack[*refmv_count] = cand_mv;
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = cand_mv.cwp_idx;
++*refmv_count;
return true;
}
// Add a BV candidate to ref MV stack without duplicate check
static AOM_INLINE bool add_to_ref_bv_list(CANDIDATE_MV cand_mv,
CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight,
uint8_t *refmv_count) {
ref_mv_stack[*refmv_count] = cand_mv;
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
ref_mv_stack[*refmv_count].cwp_idx = cand_mv.cwp_idx;
++*refmv_count;
return true;
}
static AOM_INLINE void add_tmvp_candidate(
const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref_frame,
uint8_t *const refmv_count,
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE],
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
int mi_row, int mi_col
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
if (cm->features.allow_ref_frame_mvs &&
(xd->mi[0]->skip_mode || rf[0] != rf[1]) &&
!xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) {
const int blk_row_end = AOMMIN(xd->height, mi_size_high[BLOCK_64X64]);
const int blk_col_end = AOMMIN(xd->width, mi_size_wide[BLOCK_64X64]);
const int step_h = (xd->height >= mi_size_high[BLOCK_64X64])
? mi_size_high[BLOCK_16X16]
: mi_size_high[BLOCK_8X8];
const int step_w = (xd->width >= mi_size_wide[BLOCK_64X64])
? mi_size_wide[BLOCK_16X16]
: mi_size_wide[BLOCK_8X8];
int added_tmvp_cnt = 0;
const MVP_UNIT_STATUS tmvp_units_status[TMVP_SEARCH_COUNT] = {
{ blk_row_end >= step_h && blk_col_end >= step_w, blk_row_end - step_h,
blk_col_end - step_w },
{ (blk_row_end >= 3 * step_h) || (blk_col_end >= 3 * step_w),
blk_row_end >> 1, blk_col_end >> 1 },
};
for (int iter = 0; iter < TMVP_SEARCH_COUNT; ++iter) {
if (added_tmvp_cnt) break;
if (tmvp_units_status[iter].is_available) {
add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame,
tmvp_units_status[iter].row_offset,
tmvp_units_status[iter].col_offset, refmv_count,
&added_tmvp_cnt, ref_mv_stack, ref_mv_weight
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
,
ref_frame_idx0, ref_frame_idx1
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
#if CONFIG_DRL_PR_LIM
,
drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
}
}
}
// This function determines whether to put TMVP candidate before
// adjacent SMVP candidates based on some predefined conditions
static AOM_INLINE int assign_tmvp_high_priority(const AV1_COMMON *cm,
MV_REFERENCE_FRAME rf[2]) {
if (cm->features.allow_ref_frame_mvs == 0
#if !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
|| cm->seq_params.order_hint_info.enable_order_hint == 0
#endif // !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
)
return 0;
if (cm->seq_params.enable_drl_reorder == DRL_REORDER_ALWAYS) return 0;
if (!cm->has_both_sides_refs &&
(rf[1] == NONE_FRAME && is_inter_ref_frame(rf[0]) &&
!is_tip_ref_frame(rf[0]))) {
const int cur_to_ref_offset = abs(compute_cur_to_ref_dist(cm, rf[0]));
if (cur_to_ref_offset <= 2) return 1;
}
return 0;
}
static AOM_INLINE void add_derived_smvp_candidates(
const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME *rf,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
uint8_t *const refmv_count,
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE],
#if MAX_DR_STACK_SIZE
CANDIDATE_MV derived_mv_stack[MAX_DR_STACK_SIZE],
#else
CANDIDATE_MV derived_mv_stack[MAX_REF_MV_STACK_SIZE],
#endif
uint8_t derived_mv_count
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
const int max_ref_mv_count =
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]
? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE)
: AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE);
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) derived_mv_count = 0;
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (*refmv_count < max_ref_mv_count && derived_mv_count > 0) {
fill_mvp_from_derived_smvp(rf, ref_mv_stack, ref_mv_weight, refmv_count,
derived_mv_stack, derived_mv_count,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
max_ref_mv_count
#if CONFIG_DRL_PR_LIM
,
drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
}
static AOM_INLINE void add_ref_mv_bank_candidates(
const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME *rf,
MV_REFERENCE_FRAME ref_frame,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
uint8_t *const refmv_count,
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE]
#if CONFIG_DRL_PR_LIM
,
int *drl_pr_count
#endif // CONFIG_DRL_PR_LIM
) {
const int ref_mv_limit =
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]
? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE)
: AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE);
// If open slots are available, fetch reference MVs from the ref mv banks.
if (*refmv_count < ref_mv_limit) {
const REF_MV_BANK *ref_mv_bank = &xd->ref_mv_bank;
const int rmb_list_index = get_rmb_list_index(ref_frame);
const CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[rmb_list_index];
const MV_REFERENCE_FRAME *rmb_ref_frame = ref_mv_bank->rmb_ref_frame;
const int count = ref_mv_bank->rmb_count[rmb_list_index];
const int start_idx = ref_mv_bank->rmb_start_idx[rmb_list_index];
const int is_comp = is_inter_ref_frame(rf[1]);
const int block_width = xd->width * MI_SIZE;
const int block_height = xd->height * MI_SIZE;
for (int idx_bank = 0; idx_bank < count && *refmv_count < ref_mv_limit;
++idx_bank) {
const int idx = (start_idx + count - 1 - idx_bank) % REF_MV_BANK_SIZE;
const CANDIDATE_MV cand_mv = queue[idx];
if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS &&
rmb_ref_frame[idx] != ref_frame)
continue;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
bool rmb_candi_exist =
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
check_rmb_cand(cand_mv, ref_mv_stack, ref_mv_weight, refmv_count,
is_comp, xd->mi_row, xd->mi_col, block_width,
block_height,
#if CONFIG_F054_PIC_BOUNDARY
xd->plane[0].dst.width, xd->plane[0].dst.height
#else
cm->width, cm->height
#endif // CONFIG_F054_PIC_BOUNDARY
#if CONFIG_DRL_PR_LIM
,
drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode && rmb_candi_exist) {
ref_frame_idx0[*refmv_count - 1] = rf[0];
ref_frame_idx1[*refmv_count - 1] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
}
}
}
// Compute the offset between 8x8 aligned spatial neighbor block and mi_col
static AOM_INLINE int compute_aligned_offset(int mi_col, int col_offset) {
// Around the super-block boundary, align mi_col to 8x8 grid
const int aligned_mi_col = (mi_col >> 1) << 1;
return aligned_mi_col + col_offset - mi_col;
}
// Check if the above spatial neighbor block is within the tile
static AOM_INLINE int is_above_smvp_available(const MACROBLOCKD *xd, int mi_col,
int col_offset) {
if (!xd->up_available) return 0;
// Around the super-block boundary, align mi_col to 8x8 grid
const int aligned_smvp_mi_col = ((mi_col >> 1) << 1) + col_offset;
return aligned_smvp_mi_col >= xd->tile.mi_col_start &&
aligned_smvp_mi_col < xd->tile.mi_col_end;
}
// Compute the availability and the offset of the above row neighbor block
static AOM_INLINE void get_row_smvp_states(const AV1_COMMON *cm,
const MACROBLOCKD *xd,
MVP_UNIT_STATUS row_smvp_state[4]) {
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
const int has_tr = has_top_right(cm, xd, mi_row, mi_col, xd->width);
const int block_width_type =
xd->width == 1 ? BLOCK_WIDTH_4
: (xd->width == 2 ? BLOCK_WIDTH_8 : BLOCK_WIDTH_OTHERS);
const int is_sb_boundary = (mi_row % cm->mib_size == 0);
const MVP_UNIT_STATUS row_smvp_all_states[2][BLOCK_WIDTH_TYPES][4] = {
{
// Within the super-block, similar to the existing algorithm,
// access to information is allowed for each 4x4 unit.
{
// Block width is 4
{ xd->up_available, -1, (xd->width - 1) },
{ 0, -1, 0 },
{ has_tr, -1, xd->width },
{ xd->up_available && xd->left_available, -1, -1 },
},
{
// Block width is 8
{ xd->up_available, -1, (xd->width - 1) },
{ xd->up_available, -1, 0 },
{ has_tr, -1, xd->width },
{ xd->up_available && xd->left_available, -1, -1 },
},
{
// Block width is no less than 8
{ xd->up_available, -1, (xd->width - 1) },
{ xd->up_available, -1, 0 },
{ has_tr, -1, xd->width },
{ xd->up_available && xd->left_available, -1, -1 },
},
},
{
// Around the super-block boundary, to reduce the size of the line
// buffer, access to information is allowed for each 8x8 unit. The
// bottom-left 4x4 block's information is used to represent the entire
// 8x8 block.
{
// Block width is 4
{ is_above_smvp_available(xd, mi_col, 0), -1,
compute_aligned_offset(mi_col, 0) },
{ 0, -1, 0 },
{ has_tr && is_above_smvp_available(xd, mi_col, 2), -1,
compute_aligned_offset(mi_col, 2) },
{ is_above_smvp_available(xd, mi_col, -2), -1,
compute_aligned_offset(mi_col, -2) },
},
{
// Block width is 8
{ is_above_smvp_available(xd, mi_col, 0), -1,
compute_aligned_offset(mi_col, 0) },
{ 0, -1, 0 },
{ has_tr && is_above_smvp_available(xd, mi_col, 2), -1,
compute_aligned_offset(mi_col, 2) },
{ is_above_smvp_available(xd, mi_col, -2), -1,
compute_aligned_offset(mi_col, -2) },
},
{
// Block width is no less than 8
{ is_above_smvp_available(xd, mi_col, xd->width - 2), -1,
compute_aligned_offset(mi_col, xd->width - 2) },
{ is_above_smvp_available(xd, mi_col, 0), -1,
compute_aligned_offset(mi_col, 0) },
{ has_tr && is_above_smvp_available(xd, mi_col, xd->width), -1,
compute_aligned_offset(mi_col, xd->width) },
{ is_above_smvp_available(xd, mi_col, -2), -1,
compute_aligned_offset(mi_col, -2) },
},
}
};
for (int i = 0; i < 4; i++) {
row_smvp_state[i] =
row_smvp_all_states[is_sb_boundary][block_width_type][i];
}
}
// return 1 if valid point is found
// return 0 if the point is not valid
static AOM_INLINE int fill_warp_corner_projected_point(
const MACROBLOCKD *xd, const MB_MODE_INFO *neighbor_mi,
MV_REFERENCE_FRAME this_ref, const int pos_col, const int pos_row, int *pts,
int *mvs, int *n_points) {
// return if the source point is invalid
if (pos_col < 0 || pos_row < 0) return 0;
#if CONFIG_WRL_CORNER_MVS
int mv_row = 0;
int mv_col = 0;
int find_match_ref = 0;
const int is_neighbor_comp = has_second_ref(neighbor_mi);
for (int idx = 0; idx < 1 + is_neighbor_comp; ++idx) {
if (!is_inter_ref_frame(neighbor_mi->ref_frame[idx])) continue;
if (neighbor_mi->ref_frame[idx] != this_ref) continue;
if (is_warp_mode(neighbor_mi->motion_mode)) {
int_mv warp_mv = get_warp_motion_vector_xy_pos(
xd, &neighbor_mi->wm_params[idx], pos_col, pos_row,
MV_PRECISION_ONE_EIGHTH_PEL);
mv_row = warp_mv.as_mv.row;
mv_col = warp_mv.as_mv.col;
} else {
mv_row = neighbor_mi->mv[idx].as_mv.row;
mv_col = neighbor_mi->mv[idx].as_mv.col;
}
find_match_ref = 1;
break;
}
if (!find_match_ref) return 0;
#else
if (!is_inter_ref_frame(neighbor_mi->ref_frame[0])) return 0;
if (neighbor_mi->ref_frame[0] != this_ref) return 0;
int mv_row;
int mv_col;
if (is_warp_mode(neighbor_mi->motion_mode)) {
int_mv warp_mv =
get_warp_motion_vector_xy_pos(xd, &neighbor_mi->wm_params[0], pos_col,
pos_row, MV_PRECISION_ONE_EIGHTH_PEL);
mv_row = warp_mv.as_mv.row;
mv_col = warp_mv.as_mv.col;
} else {
mv_row = neighbor_mi->mv[0].as_mv.row;
mv_col = neighbor_mi->mv[0].as_mv.col;
}
#endif // CONFIG_WRL_CORNER_MVS
pts[2 * (*n_points)] = pos_col;
pts[2 * (*n_points) + 1] = pos_row;
mvs[2 * (*n_points)] = mv_col;
mvs[2 * (*n_points) + 1] = mv_row;
++(*n_points);
return 1;
}
// Check all 3 neighbors to generate projected points
#if CONFIG_WRL_CORNER_MVS
static AOM_INLINE int generate_points_from_corners(
const MACROBLOCKD *xd, const MVP_UNIT_STATUS corner_unit_status[3],
int *pts, int *mvs, int *np, MV_REFERENCE_FRAME ref_frame) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
int valid_points = 0;
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
MV_REFERENCE_FRAME this_ref = rf[0];
const int bw = xd->width * MI_SIZE;
const int bh = xd->height * MI_SIZE;
mi_pos.row = corner_unit_status[0].row_offset;
mi_pos.col = corner_unit_status[0].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
corner_unit_status[0].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE;
int pos_col = xd->mi_col * MI_SIZE;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
mi_pos.row = corner_unit_status[1].row_offset;
mi_pos.col = corner_unit_status[1].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
corner_unit_status[1].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE;
int pos_col = xd->mi_col * MI_SIZE + bw;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
mi_pos.row = corner_unit_status[2].row_offset;
mi_pos.col = corner_unit_status[2].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
corner_unit_status[2].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE + bh;
int pos_col = xd->mi_col * MI_SIZE;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
assert(valid_points <= 3);
return valid_points;
}
#else
static AOM_INLINE int generate_points_from_corners(
const MACROBLOCKD *xd, MVP_UNIT_STATUS row_smvp_state[4], int *pts,
int *mvs, int *np, MV_REFERENCE_FRAME ref_frame) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
int valid_points = 0;
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
MV_REFERENCE_FRAME this_ref = rf[0];
const int bw = xd->width * MI_SIZE;
const int bh = xd->height * MI_SIZE;
// top-left
mi_pos.row = -1;
mi_pos.col = row_smvp_state[3].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[3].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE;
int pos_col = xd->mi_col * MI_SIZE;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
// top-right
mi_pos.row = -1;
mi_pos.col = row_smvp_state[0].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[0].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE;
int pos_col = xd->mi_col * MI_SIZE + bw;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
// bottom-left
mi_pos.row = xd->height - 1;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
int pos_row = xd->mi_row * MI_SIZE + bh;
int pos_col = xd->mi_col * MI_SIZE;
int valid = fill_warp_corner_projected_point(
xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
assert(valid_points <= 3);
return valid_points;
}
#endif // CONFIG_WRL_CORNER_MVS
#if CONFIG_EXT_MVPRED
static int insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
const MACROBLOCKD *xd, MV_REFERENCE_FRAME *ref_frame_idx0,
MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // #if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME rf[2], CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE],
MV_COMP_DATA_TYPE this_mv_col, MV_COMP_DATA_TYPE this_mv_row,
MV_COMP_DATA_TYPE comp_mv_col, MV_COMP_DATA_TYPE comp_mv_row,
uint16_t weight, uint8_t *refmv_count, int *drl_pr_count) {
CANDIDATE_MV ext_mv;
ext_mv.this_mv.as_mv.col = this_mv_col;
ext_mv.this_mv.as_mv.row = this_mv_row;
ext_mv.comp_mv.as_mv.col = comp_mv_col;
ext_mv.comp_mv.as_mv.row = comp_mv_row;
#if CONFIG_DRL_PR_LIM
if ((*drl_pr_count) < MAX_PR_NUM) {
#endif
int idx = 0;
for (idx = 0; idx < *refmv_count; ++idx) {
#if CONFIG_DRL_PR_LIM
++(*drl_pr_count);
#endif
if ((ref_mv_stack[idx].this_mv.as_int == ext_mv.this_mv.as_int) &&
(rf[1] == NONE_FRAME ||
(rf[1] > NONE_FRAME &&
ref_mv_stack[idx].comp_mv.as_int == ext_mv.comp_mv.as_int))) {
break;
}
}
// Add a new item to the list.
if (idx == *refmv_count) {
ref_mv_stack[idx].this_mv.as_int = ext_mv.this_mv.as_int;
ref_mv_stack[idx].comp_mv.as_int = ext_mv.comp_mv.as_int;
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[idx] = rf[0];
ref_frame_idx1[idx] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[idx] = weight;
++(*refmv_count);
return 1;
}
return 0;
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv.as_int = ext_mv.this_mv.as_int;
ref_mv_stack[*refmv_count].comp_mv.as_int = ext_mv.comp_mv.as_int;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[*refmv_count] = rf[0];
ref_frame_idx1[*refmv_count] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[*refmv_count] = weight;
++(*refmv_count);
return 1;
}
return 0;
}
#endif
return 0;
}
#endif // CONFIG_EXT_MVPRED
static AOM_INLINE void setup_ref_mv_list(
const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref_frame,
uint8_t *const refmv_count,
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE],
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
int_mv mv_ref_list[MAX_MV_REF_CANDIDATES], int_mv *gm_mv_candidates,
int mi_row, int mi_col,
WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES],
int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates) {
const int has_bl = has_bottom_left(cm, xd, mi_row, mi_col, xd->height);
MV_REFERENCE_FRAME rf[2];
const TileInfo *const tile = &xd->tile;
int max_col_offset = 0;
const int col_adj = (xd->width < mi_size_wide[BLOCK_8X8]) && (mi_col & 0x01);
int processed_cols = 0;
av1_set_ref_frame(rf, ref_frame);
*refmv_count = 0;
#if CONFIG_DRL_PR_LIM
int drl_pr_count = 0;
int drl_dr_pr_count = 0;
int drl_dr_single_pr_count = 0;
#endif // CONFIG_DRL_PR_LIM
/*
* The constuction of the DRL after CWG-E021 was adopted:
*
* 1) Adjacent SMVP search; up to 9 blocks.
* 2) TMVP search; up to 5 blocks.
* 3) Non-adjacent SMVP search; up to 3 blocks in 2nd or 3rd column
* 4) Find the adjacent SMVP candidate with the maximum weight, then switch
* it to the first place of the DRL.
* 4) RefMV bank search.
* 5) Derived SMVP search.
* 6) Global MV is added if there is space in DRL.
*
*/
for (int k = 0; k < MAX_REF_MV_STACK_SIZE; k++) {
ref_mv_stack[k].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[k].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[k].cwp_idx = CWP_EQUAL;
}
MVP_UNIT_STATUS row_smvp_state[4] = { 0 };
get_row_smvp_states(cm, xd, row_smvp_state);
// derive a warp model from the 3 corner MVs
if (warp_param_stack && valid_num_warp_candidates &&
*valid_num_warp_candidates < max_num_of_warp_candidates) {
#if CONFIG_WRL_CORNER_MVS
// 0: top_left, top_right, bottom_left
// 1: top, top_right_next, bottom_left
#define WRL_CORNER_MVS_NUM 2
const MVP_UNIT_STATUS wrl_corner_mv_status[WRL_CORNER_MVS_NUM][3] = {
{
{ row_smvp_state[3].is_available, -1, row_smvp_state[3].col_offset },
{ row_smvp_state[0].is_available, -1, row_smvp_state[0].col_offset },
{ xd->left_available, (xd->height - 1), -1 },
},
{
{ row_smvp_state[1].is_available, -1, row_smvp_state[1].col_offset },
{ row_smvp_state[2].is_available, -1, row_smvp_state[2].col_offset },
{ xd->left_available, (xd->height - 1), -1 },
}
};
int derived_wrl_count = 0;
for (int iter = 0;
iter < WRL_CORNER_MVS_NUM && derived_wrl_count < 1 &&
(*valid_num_warp_candidates < max_num_of_warp_candidates);
++iter) {
if (wrl_corner_mv_status[iter][0].is_available &&
wrl_corner_mv_status[iter][1].is_available &&
wrl_corner_mv_status[iter][2].is_available) {
int mvs_32[2 * 3];
int pts[2 * 3];
int np = 0;
WarpedMotionParams cand_warp_param = default_warp_params;
const int valid_points = generate_points_from_corners(
xd, wrl_corner_mv_status[iter], pts, mvs_32, &np, ref_frame);
const int valid_model =
get_model_from_corner_mvs(&cand_warp_param, pts, valid_points,
mvs_32, xd->mi[0]->sb_type[PLANE_TYPE_Y]
#if CONFIG_ACROSS_SCALE_WARP
,
get_ref_scale_factors_const(cm, ref_frame)
#endif // CONFIG_ACROSS_SCALE_WARP
);
if (valid_model && !cand_warp_param.invalid &&
!is_this_param_already_in_list(*valid_num_warp_candidates,
warp_param_stack, cand_warp_param)) {
insert_neighbor_warp_candidate(warp_param_stack, &cand_warp_param,
*valid_num_warp_candidates,
PROJ_SPATIAL);
(*valid_num_warp_candidates)++;
derived_wrl_count++;
}
}
}
#else
int mvs_32[2 * 3];
int pts[2 * 3];
int np = 0;
WarpedMotionParams cand_warp_param = default_warp_params;
const int valid_points = generate_points_from_corners(
xd, row_smvp_state, pts, mvs_32, &np, ref_frame);
const int valid_model =
get_model_from_corner_mvs(&cand_warp_param, pts, valid_points, mvs_32,
xd->mi[0]->sb_type[PLANE_TYPE_Y]
#if CONFIG_ACROSS_SCALE_WARP
,
get_ref_scale_factors_const(cm, ref_frame)
#endif // CONFIG_ACROSS_SCALE_WARP
);
if (valid_model && !cand_warp_param.invalid &&
!is_this_param_already_in_list(*valid_num_warp_candidates,
warp_param_stack, cand_warp_param)) {
insert_neighbor_warp_candidate(warp_param_stack, &cand_warp_param,
*valid_num_warp_candidates, PROJ_SPATIAL);
(*valid_num_warp_candidates)++;
}
#endif // CONFIG_WRL_CORNER_MVS
}
if (xd->left_available) {
max_col_offset = -(MVREF_COLS << 1) + col_adj;
if (xd->width < mi_size_wide[BLOCK_8X8])
max_col_offset = -(2 << 1) + col_adj;
max_col_offset = find_valid_col_offset(tile, mi_col, max_col_offset);
}
uint8_t col_match_count = 0;
uint8_t row_match_count = 0;
uint8_t newmv_count = 0;
#if MAX_DR_STACK_SIZE
SINGLE_MV_CANDIDATE single_mv[MAX_DR_STACK_SIZE];
#else
SINGLE_MV_CANDIDATE single_mv[MAX_REF_MV_STACK_SIZE];
#endif
uint8_t single_mv_count = 0;
#if MAX_DR_STACK_SIZE
CANDIDATE_MV derived_mv_stack[MAX_DR_STACK_SIZE];
#else
CANDIDATE_MV derived_mv_stack[MAX_REF_MV_STACK_SIZE];
#endif
uint16_t derived_mv_weight[MAX_REF_MV_STACK_SIZE];
uint8_t derived_mv_count = 0;
const int height_at_least_two = xd->left_available ? (xd->height > 1) : 0;
const int is_tmvp_high_priority = assign_tmvp_high_priority(cm, rf);
if (is_tmvp_high_priority) {
add_tmvp_candidate(cm, xd, ref_frame, refmv_count, ref_mv_stack,
ref_mv_weight,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
mi_row, mi_col
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (xd->left_available) {
scan_blk_mbmi(
cm, xd, mi_row, mi_col, rf, (xd->height - 1), -1, ref_mv_stack,
ref_mv_weight, &col_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack, derived_mv_weight,
&derived_mv_count, warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
update_processed_cols(xd, mi_row, mi_col, (xd->height - 1), -1,
max_col_offset, &processed_cols);
}
if (row_smvp_state[0].is_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, row_smvp_state[0].row_offset,
row_smvp_state[0].col_offset, ref_mv_stack, ref_mv_weight,
&row_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count, warp_param_stack,
max_num_of_warp_candidates, valid_num_warp_candidates,
ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (height_at_least_two) {
scan_blk_mbmi(
cm, xd, mi_row, mi_col, rf, 0, -1, ref_mv_stack, ref_mv_weight,
&col_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack, derived_mv_weight,
&derived_mv_count, warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
update_processed_cols(xd, mi_row, mi_col, 0, -1, max_col_offset,
&processed_cols);
}
if (row_smvp_state[1].is_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, row_smvp_state[1].row_offset,
row_smvp_state[1].col_offset, ref_mv_stack, ref_mv_weight,
&row_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count, warp_param_stack,
max_num_of_warp_candidates, valid_num_warp_candidates,
ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (has_bl) {
scan_blk_mbmi(
cm, xd, mi_row, mi_col, rf, xd->height, -1, ref_mv_stack, ref_mv_weight,
&col_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack, derived_mv_weight,
&derived_mv_count, warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (row_smvp_state[2].is_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, row_smvp_state[2].row_offset,
row_smvp_state[2].col_offset, ref_mv_stack, ref_mv_weight,
&row_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count, warp_param_stack,
max_num_of_warp_candidates, valid_num_warp_candidates,
ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (!is_tmvp_high_priority) {
add_tmvp_candidate(cm, xd, ref_frame, refmv_count, ref_mv_stack,
ref_mv_weight,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
mi_row, mi_col
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
if (row_smvp_state[3].is_available) {
uint8_t dummy_ref_match_count = 0;
uint8_t dummy_new_mv_count = 0;
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, row_smvp_state[3].row_offset,
row_smvp_state[3].col_offset, ref_mv_stack, ref_mv_weight,
&dummy_ref_match_count, &dummy_new_mv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count, warp_param_stack,
max_num_of_warp_candidates, valid_num_warp_candidates,
ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
const uint8_t nearest_refmv_count = *refmv_count;
if (xd->left_available) {
for (int idx = 2; idx <= MVREF_COLS; ++idx) {
const int col_offset = -(idx << 1) + 1 + col_adj;
const MVP_UNIT_STATUS col_units_status[SMVP_COL_SEARCH_COUNT] = {
{ 1, (xd->height - 1), col_offset },
{ xd->height > 1, 0, col_offset },
};
if (abs(col_offset) <= abs(max_col_offset) &&
abs(col_offset) > processed_cols) {
for (int unit_idx = 0; unit_idx < SMVP_COL_SEARCH_COUNT; unit_idx++) {
if (col_units_status[unit_idx].is_available) {
scan_blk_mbmi(
cm, xd, mi_row, mi_col, rf,
col_units_status[unit_idx].row_offset,
col_units_status[unit_idx].col_offset, ref_mv_stack,
ref_mv_weight, &col_match_count, &newmv_count, gm_mv_candidates,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count, warp_param_stack,
max_num_of_warp_candidates, valid_num_warp_candidates,
ref_frame, refmv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count, &drl_dr_pr_count, &drl_dr_single_pr_count
#endif // CONFIG_DRL_PR_LIM
);
update_processed_cols(xd, mi_row, mi_col,
col_units_status[unit_idx].row_offset,
col_units_status[unit_idx].col_offset,
max_col_offset, &processed_cols);
}
}
}
}
}
if (cm->seq_params.enable_drl_reorder == DRL_REORDER_ALWAYS ||
(cm->seq_params.enable_drl_reorder == DRL_REORDER_CONSTRAINT &&
(!is_tmvp_high_priority && nearest_refmv_count >= 4))) {
if (nearest_refmv_count > 1) {
int max_weight = ref_mv_weight[0];
int max_weight_idx = 0;
for (int idx = 1; idx < nearest_refmv_count; ++idx) {
if (ref_mv_weight[idx] > max_weight) {
max_weight = ref_mv_weight[idx];
max_weight_idx = idx;
}
}
if (max_weight_idx != 0) {
const CANDIDATE_MV tmp_mv = ref_mv_stack[0];
const uint16_t tmp_ref_mv_weight = ref_mv_weight[0];
ref_mv_stack[0] = ref_mv_stack[max_weight_idx];
ref_mv_stack[max_weight_idx] = tmp_mv;
ref_mv_weight[0] = ref_mv_weight[max_weight_idx];
ref_mv_weight[max_weight_idx] = tmp_ref_mv_weight;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
const MV_REFERENCE_FRAME temp_ref0 = ref_frame_idx0[0];
const MV_REFERENCE_FRAME temp_ref1 = ref_frame_idx1[0];
ref_frame_idx0[0] = ref_frame_idx0[max_weight_idx];
ref_frame_idx0[max_weight_idx] = temp_ref0;
ref_frame_idx1[0] = ref_frame_idx1[max_weight_idx];
ref_frame_idx1[max_weight_idx] = temp_ref1;
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
}
}
}
const int is_compound = is_inter_ref_frame(rf[1]);
if (is_compound) {
add_derived_smvp_candidates(cm, xd, rf,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
refmv_count, ref_mv_stack, ref_mv_weight,
derived_mv_stack, derived_mv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
if (cm->seq_params.enable_refmvbank)
add_ref_mv_bank_candidates(cm, xd, rf, ref_frame,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
refmv_count, ref_mv_stack, ref_mv_weight
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
} else {
if (cm->seq_params.enable_refmvbank)
add_ref_mv_bank_candidates(cm, xd, rf, ref_frame,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
refmv_count, ref_mv_stack, ref_mv_weight
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
add_derived_smvp_candidates(cm, xd, rf,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
refmv_count, ref_mv_stack, ref_mv_weight,
derived_mv_stack, derived_mv_count
#if CONFIG_DRL_PR_LIM
,
&drl_pr_count
#endif // CONFIG_DRL_PR_LIM
);
}
for (int idx = 0; idx < *refmv_count; ++idx) {
clamp_mv_ref(&ref_mv_stack[idx].this_mv.as_mv, xd->width << MI_SIZE_LOG2,
xd->height << MI_SIZE_LOG2, xd);
if (rf[1] > NONE_FRAME) {
clamp_mv_ref(&ref_mv_stack[idx].comp_mv.as_mv, xd->width << MI_SIZE_LOG2,
xd->height << MI_SIZE_LOG2, xd);
}
}
if (rf[1] == NONE_FRAME && mv_ref_list != NULL) {
for (int idx = *refmv_count; idx < MAX_MV_REF_CANDIDATES; ++idx) {
mv_ref_list[idx].as_int = gm_mv_candidates[0].as_int;
}
for (int idx = 0; idx < AOMMIN(MAX_MV_REF_CANDIDATES, *refmv_count);
++idx) {
mv_ref_list[idx].as_int = ref_mv_stack[idx].this_mv.as_int;
}
}
// If there is extra space in the stack, copy the GLOBALMV vector into it.
// This also guarantees the existence of at least one vector to search.
if (*refmv_count < MAX_REF_MV_STACK_SIZE &&
!xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) {
#if CONFIG_DRL_PR_LIM
if (drl_pr_count < MAX_PR_NUM) {
#endif // CONFIG_DRL_PR_LIM
int idx = 0;
for (idx = 0; idx < *refmv_count; ++idx) {
#if CONFIG_DRL_PR_LIM
++(drl_pr_count);
#endif // CONFIG_DRL_PR_LIM
if ((ref_mv_stack[idx].this_mv.as_int == gm_mv_candidates[0].as_int) &&
(rf[1] == NONE_FRAME ||
(rf[1] > NONE_FRAME && ref_mv_stack[idx].comp_mv.as_int ==
gm_mv_candidates[1].as_int))) {
break;
}
}
// Add a new item to the list.
if (idx == *refmv_count) {
ref_mv_stack[idx].this_mv.as_int = gm_mv_candidates[0].as_int;
ref_mv_stack[idx].comp_mv.as_int = gm_mv_candidates[1].as_int;
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[idx] = rf[0];
ref_frame_idx1[idx] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[idx] = REF_CAT_LEVEL;
++(*refmv_count);
}
#if CONFIG_DRL_PR_LIM
} else {
if (*refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[*refmv_count].this_mv.as_int = gm_mv_candidates[0].as_int;
ref_mv_stack[*refmv_count].comp_mv.as_int = gm_mv_candidates[1].as_int;
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[*refmv_count] = rf[0];
ref_frame_idx1[*refmv_count] = rf[1];
}
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
++(*refmv_count);
}
}
#endif
#if CONFIG_EXT_MVPRED
uint8_t added_ext_cnt = 0;
int original_mv_count = *refmv_count;
uint8_t max_ext_stack_size = 0;
if (xd->width <= 8 || xd->height <= 8)
max_ext_stack_size = 0;
else
max_ext_stack_size = 6;
if (max_ext_stack_size) {
MV_COMP_DATA_TYPE row = 0;
MV_COMP_DATA_TYPE col = 0;
MV_COMP_DATA_TYPE comp_mv_row = 0;
MV_COMP_DATA_TYPE comp_mv_col = 0;
uint16_t curr_mv_weight = 1;
if (*refmv_count < MAX_REF_MV_STACK_SIZE && original_mv_count > 1 &&
added_ext_cnt < max_ext_stack_size) {
// Add (0_y, 1_x)
row = ref_mv_stack[0].this_mv.as_mv.row;
col = ref_mv_stack[1].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[0].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[1].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[0] + ref_mv_weight[1] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col, comp_mv_row,
curr_mv_weight, refmv_count, &drl_pr_count);
if (*refmv_count < MAX_REF_MV_STACK_SIZE &&
added_ext_cnt < max_ext_stack_size) {
// Add (1_y, 0_x)
row = ref_mv_stack[1].this_mv.as_mv.row;
col = ref_mv_stack[0].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[1].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[0].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[0] + ref_mv_weight[1] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col,
comp_mv_row, curr_mv_weight, refmv_count, &drl_pr_count);
}
}
if (*refmv_count < MAX_REF_MV_STACK_SIZE && original_mv_count > 2 &&
added_ext_cnt < max_ext_stack_size) {
// Add (0_y, 2_x)
row = ref_mv_stack[0].this_mv.as_mv.row;
col = ref_mv_stack[2].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[0].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[2].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[0] + ref_mv_weight[2] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col, comp_mv_row,
curr_mv_weight, refmv_count, &drl_pr_count);
if (*refmv_count < MAX_REF_MV_STACK_SIZE &&
added_ext_cnt < max_ext_stack_size) {
// Add(2_y,0_x)
row = ref_mv_stack[2].this_mv.as_mv.row;
col = ref_mv_stack[0].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[2].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[0].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[0] + ref_mv_weight[2] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col,
comp_mv_row, curr_mv_weight, refmv_count, &drl_pr_count);
}
if (*refmv_count < MAX_REF_MV_STACK_SIZE &&
added_ext_cnt < max_ext_stack_size) {
// Add (1_y, 2_x)
row = ref_mv_stack[1].this_mv.as_mv.row;
col = ref_mv_stack[2].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[1].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[2].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[1] + ref_mv_weight[2] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col,
comp_mv_row, curr_mv_weight, refmv_count, &drl_pr_count);
}
// Add (2_y, 1_x)
if (*refmv_count < MAX_REF_MV_STACK_SIZE &&
added_ext_cnt < max_ext_stack_size) {
row = ref_mv_stack[2].this_mv.as_mv.row;
col = ref_mv_stack[1].this_mv.as_mv.col;
comp_mv_row = ref_mv_stack[2].comp_mv.as_mv.row;
comp_mv_col = ref_mv_stack[1].comp_mv.as_mv.col;
curr_mv_weight = (ref_mv_weight[1] + ref_mv_weight[2] + 1) / 2;
added_ext_cnt += insert_mvp_candidate(
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
xd, ref_frame_idx0, ref_frame_idx1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
rf, ref_mv_stack, ref_mv_weight, col, row, comp_mv_col,
comp_mv_row, curr_mv_weight, refmv_count, &drl_pr_count);
(void)added_ext_cnt;
}
}
}
#endif // CONFIG_EXT_MVPRED
}
if (warp_param_stack && valid_num_warp_candidates &&
*valid_num_warp_candidates < max_num_of_warp_candidates) {
// Insert warp parameters from the bank
#if WARP_CU_BANK
const WARP_PARAM_BANK *warp_param_bank = &xd->warp_param_bank;
#else
const WARP_PARAM_BANK *warp_param_bank = xd->warp_param_bank_pt;
#endif // WARP_CU_BANK
const WarpedMotionParams *queue = warp_param_bank->wpb_buffer[ref_frame];
const int count = warp_param_bank->wpb_count[ref_frame];
const int start_idx = warp_param_bank->wpb_start_idx[ref_frame];
for (int idx_bank = 0; idx_bank < count && *valid_num_warp_candidates <
max_num_of_warp_candidates;
++idx_bank) {
const int idx = (start_idx + count - 1 - idx_bank) % WARP_PARAM_BANK_SIZE;
const WarpedMotionParams cand_warp_param = queue[idx];
if (!cand_warp_param.invalid &&
!is_this_param_already_in_list(*valid_num_warp_candidates,
warp_param_stack, cand_warp_param)) {
insert_neighbor_warp_candidate(warp_param_stack, &cand_warp_param,
*valid_num_warp_candidates,
PROJ_PARAM_BANK);
(*valid_num_warp_candidates)++;
}
}
// Insert Global motion of the current
if (*valid_num_warp_candidates < max_num_of_warp_candidates) {
if (!xd->global_motion[ref_frame].invalid &&
!is_this_param_already_in_list(*valid_num_warp_candidates,
warp_param_stack,
xd->global_motion[ref_frame])) {
insert_neighbor_warp_candidate(
warp_param_stack, &xd->global_motion[ref_frame],
*valid_num_warp_candidates, PROJ_GLOBAL_MOTION);
(*valid_num_warp_candidates)++;
}
}
// Filled with default values( currently all params are zeros)
int max_num_of_default_allowed = AOMMIN(2, max_num_of_warp_candidates);
int current_number_of_defaults = 0;
int tmp_curr_num = *valid_num_warp_candidates;
for (int cand_num = tmp_curr_num;
(cand_num < max_num_of_warp_candidates) &&
(current_number_of_defaults < max_num_of_default_allowed);
cand_num++) {
warp_param_stack[cand_num].wm_params = default_warp_params;
warp_param_stack[cand_num].proj_type = PROJ_DEFAULT;
(*valid_num_warp_candidates)++;
current_number_of_defaults++;
}
}
// If there are open slots in reference BV candidate list
// fetch reference BVs from the default BVPs
if (xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) {
const int w = xd->width * MI_SIZE;
const int h = xd->height * MI_SIZE;
const int sb_width = block_size_wide[cm->sb_size];
const int sb_height = block_size_high[cm->sb_size];
const int default_ref_bv_list[MAX_REF_BV_STACK_SIZE][2] = {
{ 0, -sb_height },
{ -sb_width - INTRABC_DELAY_PIXELS, 0 },
{ 0, -h },
{ -w, 0 },
};
const int max_bvp_size = cm->features.max_bvp_drl_bits + 1;
for (int i = 0; i < max_bvp_size; ++i) {
if (*refmv_count >= max_bvp_size) break;
CANDIDATE_MV tmp_mv;
tmp_mv.this_mv.as_mv.col =
(MV_COMP_DATA_TYPE)GET_MV_SUBPEL(default_ref_bv_list[i][0]);
tmp_mv.this_mv.as_mv.row =
(MV_COMP_DATA_TYPE)GET_MV_SUBPEL(default_ref_bv_list[i][1]);
tmp_mv.comp_mv.as_int = 0;
add_to_ref_bv_list(tmp_mv, ref_mv_stack, ref_mv_weight, refmv_count);
}
}
}
void get_skip_mode_ref_offsets(const AV1_COMMON *cm, int ref_order_hint[2]) {
const SkipModeInfo *const skip_mode_info = &cm->current_frame.skip_mode_info;
ref_order_hint[0] = ref_order_hint[1] = 0;
if (!skip_mode_info->skip_mode_allowed) return;
const RefCntBuffer *const buf_0 =
get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_0);
const RefCntBuffer *const buf_1 =
get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_1);
assert(buf_0 != NULL && buf_1 != NULL);
ref_order_hint[0] = buf_0->display_order_hint;
ref_order_hint[1] = buf_1->display_order_hint;
}
// Initialize the warp parameter list
void av1_initialize_warp_wrl_list(
WARP_CANDIDATE warp_param_stack[][MAX_WARP_REF_CANDIDATES],
uint8_t valid_num_warp_candidates[INTER_REFS_PER_FRAME]) {
for (int ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ref_frame++) {
for (int warp_idx = 0; warp_idx < MAX_WARP_REF_CANDIDATES; warp_idx++) {
warp_param_stack[ref_frame][warp_idx].wm_params = default_warp_params;
warp_param_stack[ref_frame][warp_idx].wm_params.invalid = 1;
}
valid_num_warp_candidates[ref_frame] = 0;
}
}
void av1_find_mode_ctx(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int16_t *mode_context, MV_REFERENCE_FRAME ref_frame) {
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
mode_context[ref_frame] = 0;
uint8_t col_match_count = 0;
uint8_t row_match_count = 0;
uint8_t newmv_count = 0;
if (xd->left_available) {
scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, (xd->height - 1), -1,
&col_match_count, &newmv_count);
}
if (xd->up_available) {
scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, -1, (xd->width - 1),
&row_match_count, &newmv_count);
}
if (xd->left_available) {
scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, 0, -1, &col_match_count,
&newmv_count);
}
if (xd->up_available) {
scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, -1, 0, &row_match_count,
&newmv_count);
}
const uint8_t nearest_match = (row_match_count > 0) + (col_match_count > 0);
mode_context[ref_frame] = nearest_match + (newmv_count > 0) * 2;
}
// Initialize ref_mv_stack with zero MVs.
void av1_initialize_ref_mv_stack(
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], int max_cand_num) {
for (int i = 0; i < max_cand_num; ++i) {
ref_mv_stack[i].this_mv.as_int = 0;
ref_mv_stack[i].comp_mv.as_int = 0;
ref_mv_stack[i].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[i].col_offset = OFFSET_NONSPATIAL;
ref_mv_stack[i].cwp_idx = CWP_EQUAL;
}
}
void av1_find_mv_refs(
const AV1_COMMON *cm, const MACROBLOCKD *xd, MB_MODE_INFO *mi,
MV_REFERENCE_FRAME ref_frame, uint8_t ref_mv_count[MODE_CTX_REF_FRAMES],
CANDIDATE_MV ref_mv_stack[][MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[][MAX_REF_MV_STACK_SIZE],
int_mv mv_ref_list[][MAX_MV_REF_CANDIDATES], int_mv *global_mvs,
WARP_CANDIDATE warp_param_stack[][MAX_WARP_REF_CANDIDATES],
int max_num_of_warp_candidates,
uint8_t valid_num_warp_candidates[INTER_REFS_PER_FRAME]) {
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
int_mv gm_mv[2];
if (ref_frame == INTRA_FRAME || is_tip_ref_frame(ref_frame)) {
gm_mv[0].as_int = gm_mv[1].as_int = 0;
} else {
const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y];
const int fr_mv_precision = cm->features.fr_mv_precision;
if (ref_frame < INTER_REFS_PER_FRAME) {
gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[ref_frame],
fr_mv_precision, bsize, mi_col, mi_row);
gm_mv[1].as_int = 0;
if (global_mvs != NULL) global_mvs[ref_frame] = gm_mv[0];
} else {
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[0]],
fr_mv_precision, bsize, mi_col, mi_row);
gm_mv[1] = get_warp_motion_vector(xd, &cm->global_motion[rf[1]],
fr_mv_precision, bsize, mi_col, mi_row);
}
}
bool derive_wrl = (warp_param_stack && valid_num_warp_candidates &&
max_num_of_warp_candidates);
derive_wrl &= (ref_frame < INTER_REFS_PER_FRAME);
if (has_second_drl(mi)) derive_wrl = 0;
derive_wrl &= is_motion_variation_allowed_bsize(mi->sb_type[PLANE_TYPE_Y],
mi_row, mi_col);
if (derive_wrl && valid_num_warp_candidates) {
valid_num_warp_candidates[ref_frame] =
0; // initialize the number of valid candidates to 0 at the beginning
}
if (mi->skip_mode) {
SKIP_MODE_MVP_LIST *skip_list =
(SKIP_MODE_MVP_LIST *)&(xd->skip_mvp_candidate_list);
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
memset(skip_list->ref_frame0, 0,
USABLE_REF_MV_STACK_SIZE * sizeof(skip_list->ref_frame0[0]));
memset(skip_list->ref_frame1, 0,
USABLE_REF_MV_STACK_SIZE * sizeof(skip_list->ref_frame1[0]));
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
av1_initialize_ref_mv_stack(skip_list->ref_mv_stack,
USABLE_REF_MV_STACK_SIZE);
setup_ref_mv_list(cm, xd, ref_frame, &(skip_list->ref_mv_count),
skip_list->ref_mv_stack, skip_list->weight,
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
skip_list->ref_frame0, skip_list->ref_frame1,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv,
mi_row, mi_col, NULL, 0, NULL);
} else {
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
if (!has_second_drl(mi))
rf[0] = ref_frame;
else {
const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y];
const int fr_mv_precision = cm->features.fr_mv_precision;
gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[0]],
fr_mv_precision, bsize, mi_col, mi_row);
gm_mv[1].as_int = 0;
}
if (ref_frame == INTRA_FRAME) {
av1_initialize_ref_mv_stack(ref_mv_stack[rf[0]],
cm->features.max_bvp_drl_bits + 1);
} else {
av1_initialize_ref_mv_stack(ref_mv_stack[rf[0]], MAX_REF_MV_STACK_SIZE);
}
setup_ref_mv_list(cm, xd, rf[0], &ref_mv_count[rf[0]], ref_mv_stack[rf[0]],
ref_mv_weight[rf[0]],
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
NULL, NULL,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
mv_ref_list ? mv_ref_list[rf[0]] : NULL, gm_mv, mi_row,
mi_col, derive_wrl ? warp_param_stack[rf[0]] : NULL,
derive_wrl ? max_num_of_warp_candidates : 0,
derive_wrl ? &valid_num_warp_candidates[rf[0]] : NULL);
if (has_second_drl(mi)) {
assert(rf[0] == mi->ref_frame[0]);
assert(rf[1] == mi->ref_frame[1]);
const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y];
const int fr_mv_precision = cm->features.fr_mv_precision;
gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[1]],
fr_mv_precision, bsize, mi_col, mi_row);
gm_mv[1].as_int = 0;
av1_initialize_ref_mv_stack(ref_mv_stack[rf[1]], MAX_REF_MV_STACK_SIZE);
setup_ref_mv_list(cm, xd, rf[1], &ref_mv_count[rf[1]],
ref_mv_stack[rf[1]], ref_mv_weight[rf[1]],
#if !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
NULL, NULL,
#endif // !CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
mv_ref_list ? mv_ref_list[rf[1]] : NULL, gm_mv, mi_row,
mi_col, derive_wrl ? warp_param_stack[rf[1]] : NULL,
derive_wrl ? max_num_of_warp_candidates : 0,
derive_wrl ? &valid_num_warp_candidates[rf[1]] : NULL);
}
if (derive_wrl) assert(rf[0] == ref_frame);
}
}
void av1_find_best_ref_mvs(int_mv *mvlist, int_mv *nearest_mv, int_mv *near_mv,
MvSubpelPrecision precision) {
int i;
// Make sure all the candidates are properly clamped etc
for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) {
lower_mv_precision(&mvlist[i].as_mv, precision);
}
*nearest_mv = mvlist[0];
*near_mv = mvlist[1];
}
void av1_setup_frame_buf_refs(AV1_COMMON *cm) {
cm->cur_frame->order_hint = cm->current_frame.order_hint;
cm->cur_frame->display_order_hint = cm->current_frame.display_order_hint;
cm->cur_frame->absolute_poc = cm->current_frame.absolute_poc;
cm->cur_frame->pyramid_level = cm->current_frame.pyramid_level;
cm->cur_frame->temporal_layer_id = cm->current_frame.temporal_layer_id;
#if CONFIG_MULTILAYER_CORE
cm->cur_frame->layer_id = cm->current_frame.layer_id;
#endif // CONFIG_MULTILAYER_CORE
MV_REFERENCE_FRAME ref_frame;
for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
if (buf != NULL && ref_frame < cm->ref_frames_info.num_total_refs) {
cm->cur_frame->ref_order_hints[ref_frame] = buf->order_hint;
cm->cur_frame->ref_display_order_hint[ref_frame] =
buf->display_order_hint;
#if CONFIG_MULTILAYER_CORE
cm->cur_frame->ref_layer_ids[ref_frame] = buf->layer_id;
#endif // CONFIG_MULTILAYER_CORE
} else {
cm->cur_frame->ref_order_hints[ref_frame] = -1;
cm->cur_frame->ref_display_order_hint[ref_frame] = -1;
#if CONFIG_MULTILAYER_CORE
cm->cur_frame->ref_layer_ids[ref_frame] = -1;
#endif // CONFIG_MULTILAYER_CORE
}
}
}
void av1_setup_frame_sign_bias(AV1_COMMON *cm) {
memset(&cm->ref_frame_sign_bias, 0, sizeof(cm->ref_frame_sign_bias));
for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_future_refs;
++ref_frame) {
const int index = cm->ref_frames_info.future_refs[ref_frame];
cm->ref_frame_sign_bias[index] = 1;
}
}
// Get the temporal distance of start_frame to its closest ref frame
// that has interpolation property relative to current frame. Interpolation
// means start_frame and its ref frame are on two sides of current frame
static INLINE int get_dist_to_closest_interp_ref(const AV1_COMMON *const cm,
MV_REFERENCE_FRAME start_frame,
const int find_forward_ref) {
if (start_frame == -1) return INT_MAX;
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
const RefCntBuffer *const start_frame_buf =
get_ref_frame_buf(cm, start_frame);
if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return INT_MAX;
const int start_frame_order_hint = start_frame_buf->display_order_hint;
const int cur_order_hint = cm->cur_frame->display_order_hint;
int abs_closest_ref_offset = INT_MAX;
const int *const ref_order_hints =
&start_frame_buf->ref_display_order_hint[0];
for (MV_REFERENCE_FRAME ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) {
if (ref_order_hints[ref] != -1) {
const int start_to_ref_offset = get_relative_dist(
order_hint_info, start_frame_order_hint, ref_order_hints[ref]);
const int cur_to_ref_offset = get_relative_dist(
order_hint_info, cur_order_hint, ref_order_hints[ref]);
const int abs_start_to_ref_offset = abs(start_to_ref_offset);
const int is_two_sides =
(start_to_ref_offset > 0 && cur_to_ref_offset > 0 &&
find_forward_ref == 1) ||
(start_to_ref_offset < 0 && cur_to_ref_offset < 0 &&
find_forward_ref == 0);
if (is_two_sides && abs_start_to_ref_offset < abs_closest_ref_offset) {
abs_closest_ref_offset = abs_start_to_ref_offset;
}
}
}
return abs_closest_ref_offset;
}
// Check if a reference frame is an overlay frame (i.e., has the same
// order_hint as the current frame).
static INLINE int is_ref_overlay(const AV1_COMMON *const cm, int ref) {
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
#if CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
if (order_hint_info->order_hint_bits_minus_1 < 0) return 0;
#else
if (!order_hint_info->enable_order_hint) return -1;
#endif // CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref);
if (buf == NULL) return -1;
const int ref_order_hint = buf->display_order_hint;
for (int r = 0; r < INTER_REFS_PER_FRAME; ++r) {
if (buf->ref_display_order_hint[r] == -1) continue;
const int ref_ref_order_hint = buf->ref_display_order_hint[r];
if (get_relative_dist(order_hint_info, ref_order_hint,
ref_ref_order_hint) == 0)
return 1;
}
return 0;
}
// Performs a topological sort on the reference frames so they are sorted by
// their dependency.
static void recur_topo_sort_refs(const AV1_COMMON *cm, const bool *is_overlay,
int *rf_stack, int *visited, int *stack_count,
int rf) {
visited[rf] = 1;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, rf);
if (buf->frame_type == INTER_FRAME) {
for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
const int target_ref_hint = buf->ref_display_order_hint[i];
if (target_ref_hint < 0) continue;
int found_rf = -1;
for (int j = 0; j < cm->ref_frames_info.num_total_refs; j++) {
const int ref_hint = get_ref_frame_buf(cm, j)->display_order_hint;
if (get_relative_dist(&cm->seq_params.order_hint_info, ref_hint,
target_ref_hint) == 0) {
if (is_overlay[j]) continue;
found_rf = j;
break;
}
}
if (found_rf == -1) continue;
if (visited[found_rf] == 0) {
recur_topo_sort_refs(cm, is_overlay, rf_stack, visited, stack_count,
found_rf);
}
}
}
rf_stack[*stack_count] = rf;
*stack_count = *stack_count + 1;
}
// Whether a reference frame buffer had a reference frame in the future.
static int has_future_ref(const AV1_COMMON *cm, int rf) {
if (rf < 0) return 0;
RefCntBuffer *buf = get_ref_frame_buf(cm, rf);
const int cur_hint = buf->display_order_hint;
for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
const int ref_hint = buf->ref_display_order_hint[i];
if (ref_hint >= 0 && get_relative_dist(&cm->seq_params.order_hint_info,
ref_hint, cur_hint) > 0) {
return 1;
}
}
return 0;
}
// Whether a reference frame buffer had a reference frame in the past.
static int has_past_ref(const AV1_COMMON *cm, int rf) {
if (rf < 0) return 0;
RefCntBuffer *buf = get_ref_frame_buf(cm, rf);
const int cur_hint = buf->display_order_hint;
for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
const int ref_hint = buf->ref_display_order_hint[i];
if (ref_hint >= 0 && get_relative_dist(&cm->seq_params.order_hint_info,
ref_hint, cur_hint) < 0) {
return 1;
}
}
return 0;
}
// Struct to store the reference frame motion field candidates.
struct ProcessRefTMVP {
int type; // 0 means with side, 1 means with target frame.
int side; // 0 means right to left, 1 means left to right.
int start_frame;
int target_frame;
};
// Add a reference frame motion field candidate, if we have not reached the
// maximum allowed.
static void check_and_add_process_ref(const AV1_COMMON *cm, int max_check,
int type, int start_frame,
int target_frame, int side,
int checked_ref[INTER_REFS_PER_FRAME][2],
int *checked_count,
struct ProcessRefTMVP *process_ref,
int *process_count) {
if (get_ref_frame_buf(cm, start_frame) == NULL ||
get_ref_frame_buf(cm, start_frame)->frame_type != INTER_FRAME)
return;
if (cm->bru.enabled && cm->bru.update_ref_idx != -1) {
if (start_frame == cm->bru.update_ref_idx) return;
if (target_frame == cm->bru.update_ref_idx) return;
}
#if CONFIG_SIMPLIFY_MV_FIELD
if (*process_count >= MFMV_STACK_SIZE) return;
if (checked_ref[start_frame][side]) return;
#endif // CONFIG_SIMPLIFY_MV_FIELD
if (!checked_ref[start_frame][side] && *checked_count < max_check) {
checked_ref[start_frame][side] = 1;
(*checked_count)++;
}
if (checked_ref[start_frame][side]) {
process_ref[*process_count].type = type;
process_ref[*process_count].start_frame = start_frame;
process_ref[*process_count].side = side;
process_ref[*process_count].target_frame = target_frame;
(*process_count)++;
}
}
static INLINE int get_blk_id_k(int this_col, int tmvp_proc_sizel2) {
return (this_col >> tmvp_proc_sizel2) % 3;
}
// Check if the mv intersects with exisiting trajectories, and if yes, update
// the trajectories.
static INLINE void check_traj_intersect(AV1_COMMON *cm,
MV_REFERENCE_FRAME start_frame,
MV_REFERENCE_FRAME end_frame,
const MV *mv, int start_row,
int start_col, int mvs_cols) {
(void)mvs_cols;
#if CONFIG_SIMPLIFY_MV_FIELD
const int clamp_max = REFMVS_LIMIT;
const int clamp_min = -REFMVS_LIMIT;
#else
const int clamp_max = MV_UPP - 1;
const int clamp_min = MV_LOW + 1;
#endif // CONFIG_SIMPLIFY_MV_FIELD
assert(start_row % cm->tmvp_sample_step == 0);
assert(start_col % cm->tmvp_sample_step == 0);
// Check starting point
for (int k = 0; k < 3; k++) {
int_mv ***blk_id_map_rows = cm->blk_id_map_rows[k];
if (blk_id_map_rows[start_frame][start_row][start_col].as_int !=
INVALID_MV) {
if (end_frame != NONE_FRAME) {
int traj_row =
blk_id_map_rows[start_frame][start_row][start_col].as_mv.row;
int traj_col =
blk_id_map_rows[start_frame][start_row][start_col].as_mv.col;
assert(traj_row % cm->tmvp_sample_step == 0);
assert(traj_col % cm->tmvp_sample_step == 0);
if (get_blk_id_k(traj_col, cm->tmvp_proc_sizel2) != k) continue;
if (check_block_position(cm, start_row, start_col, traj_row,
traj_col) &&
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_int ==
INVALID_MV) {
// Update trajectory mv
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_mv.row =
clamp(cm->id_offset_map_rows[start_frame][traj_row][traj_col]
.as_mv.row +
mv->row,
clamp_min, clamp_max);
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_mv.col =
clamp(cm->id_offset_map_rows[start_frame][traj_row][traj_col]
.as_mv.col +
mv->col,
clamp_min, clamp_max);
// Update reverse mapping
int end_row = 0, end_col = 0;
int pos_valid;
if (cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_int ==
0) {
pos_valid = 1;
end_row = traj_row;
end_col = traj_col;
} else {
pos_valid = get_block_position(
cm, &end_row, &end_col, traj_row, traj_col,
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_mv, 0);
}
end_row = (end_row >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
end_col = (end_col >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
if (pos_valid) {
blk_id_map_rows[end_frame][end_row][end_col].as_mv.row = traj_row;
blk_id_map_rows[end_frame][end_row][end_col].as_mv.col = traj_col;
}
}
}
}
}
// Check ending point
if (end_frame != NONE_FRAME) {
int end_row = 0, end_col = 0;
int pos_valid;
if (mv->col == 0 && mv->row == 0) {
pos_valid = 1;
end_row = start_row;
end_col = start_col;
} else {
pos_valid = get_block_position_no_constraint(
cm, &end_row, &end_col, start_row, start_col, *mv, 0);
}
end_row = (end_row >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
end_col = (end_col >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
for (int k = 0; k < 3; k++) {
int_mv ***blk_id_map_rows = cm->blk_id_map_rows[k];
if (pos_valid &&
blk_id_map_rows[end_frame][end_row][end_col].as_int != INVALID_MV) {
int traj_row = blk_id_map_rows[end_frame][end_row][end_col].as_mv.row;
int traj_col = blk_id_map_rows[end_frame][end_row][end_col].as_mv.col;
assert(traj_row % cm->tmvp_sample_step == 0);
assert(traj_col % cm->tmvp_sample_step == 0);
if (get_blk_id_k(traj_col, cm->tmvp_proc_sizel2) != k) continue;
if (check_block_position(cm, start_row, start_col, traj_row,
traj_col) &&
check_block_position(cm, end_row, end_col, traj_row, traj_col) &&
cm->id_offset_map_rows[start_frame][traj_row][traj_col].as_int ==
INVALID_MV) {
// Update trajectory mv
cm->id_offset_map_rows[start_frame][traj_row][traj_col]
.as_mv.row = clamp(
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_mv.row -
mv->row,
clamp_min, clamp_max);
cm->id_offset_map_rows[start_frame][traj_row][traj_col]
.as_mv.col = clamp(
cm->id_offset_map_rows[end_frame][traj_row][traj_col].as_mv.col -
mv->col,
clamp_min, clamp_max);
// Update reverse mapping
int new_start_row = 0, new_start_col = 0;
int new_pos_valid;
if (cm->id_offset_map_rows[start_frame][traj_row][traj_col].as_int ==
0) {
new_pos_valid = 1;
new_start_row = traj_row;
new_start_col = traj_col;
} else {
new_pos_valid = get_block_position(
cm, &new_start_row, &new_start_col, traj_row, traj_col,
cm->id_offset_map_rows[start_frame][traj_row][traj_col].as_mv,
0);
}
new_start_row = (new_start_row >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
new_start_col = (new_start_col >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
if (new_pos_valid) {
blk_id_map_rows[start_frame][new_start_row][new_start_col]
.as_mv.row = traj_row;
blk_id_map_rows[start_frame][new_start_row][new_start_col]
.as_mv.col = traj_col;
}
}
}
}
}
}
// Calculate the projected motion field from the TMVP mvs that points from
// start_frame to target_frame.
static int motion_field_projection_start_target(
AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame,
MV_REFERENCE_FRAME target_frame) {
const int cur_order_hint = cm->cur_frame->display_order_hint;
int start_order_hint = get_ref_frame_buf(cm, start_frame)->display_order_hint;
int target_order_hint =
get_ref_frame_buf(cm, target_frame)->display_order_hint;
OrderHintInfo *order_hint_info = &cm->seq_params.order_hint_info;
int ref_frame_offset =
get_relative_dist(order_hint_info, start_order_hint, target_order_hint);
if (abs(ref_frame_offset) > MAX_FRAME_DISTANCE) {
return 0;
}
const RefCntBuffer *const start_frame_buf =
get_ref_frame_buf(cm, start_frame);
if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0;
assert(start_frame_buf->width == cm->width &&
start_frame_buf->height == cm->height);
const int *const ref_order_hints = start_frame_buf->ref_display_order_hint;
int start_to_current_frame_offset =
get_relative_dist(order_hint_info, start_order_hint, cur_order_hint);
if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) {
return 0;
}
const int is_backward = ref_frame_offset < 0;
int mv_idx = is_backward ? 1 : 0;
if (is_backward) {
ref_frame_offset = -ref_frame_offset;
start_to_current_frame_offset = -start_to_current_frame_offset;
}
const int temporal_scale_factor =
tip_derive_scale_factor(start_to_current_frame_offset, ref_frame_offset);
const int ref_temporal_scale_factor = tip_derive_scale_factor(
-ref_frame_offset + start_to_current_frame_offset, -ref_frame_offset);
const MV_REF *mv_ref_base = start_frame_buf->mvs;
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int start_mvs_rows =
ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS);
const int start_mvs_cols =
ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS);
(void)mvs_rows;
assert(cm->tmvp_sample_step > 0);
for (int blk_row = 0; blk_row < start_mvs_rows;
blk_row += cm->tmvp_sample_step) {
for (int blk_col = 0; blk_col < start_mvs_cols;
blk_col += cm->tmvp_sample_step) {
const MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col];
if (is_inter_ref_frame(mv_ref->ref_frame[mv_idx])) {
const int ref_frame_order_hint =
ref_order_hints[mv_ref->ref_frame[mv_idx]];
if (get_relative_dist(order_hint_info, ref_frame_order_hint,
target_order_hint) == 0) {
MV ref_mv = mv_ref->mv[mv_idx].as_mv;
fetch_mv_from_tmvp(&ref_mv);
int scaled_blk_col = blk_col;
int scaled_blk_row = blk_row;
if (cm->seq_params.enable_mv_traj) {
check_traj_intersect(cm, start_frame, target_frame, &ref_mv,
scaled_blk_row, scaled_blk_col, mvs_cols);
}
int_mv this_mv;
int mi_r = 0;
int mi_c = 0;
tip_get_mv_projection(&this_mv.as_mv, ref_mv, temporal_scale_factor);
int pos_valid;
if (this_mv.as_int == 0) {
pos_valid = 1;
mi_r = scaled_blk_row;
mi_c = scaled_blk_col;
} else {
pos_valid = get_block_position_no_constraint(
cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv,
0);
}
mi_r = (mi_r >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
mi_c = (mi_c >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
if (pos_valid)
pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col,
mi_r, mi_c);
if (pos_valid) {
if (cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_int == INVALID_MV) {
if (cm->seq_params.enable_mv_traj) {
int blk_id_k = get_blk_id_k(mi_c, cm->tmvp_proc_sizel2);
int_mv ***blk_id_map_rows = cm->blk_id_map_rows[blk_id_k];
#if CONFIG_SIMPLIFY_MV_FIELD
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.row =
clamp(-this_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.col =
clamp(-this_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.row =
-this_mv.as_mv.row;
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.col =
-this_mv.as_mv.col;
#endif // CONFIG_SIMPLIFY_MV_FIELD
blk_id_map_rows[start_frame][scaled_blk_row][scaled_blk_col]
.as_mv.row = mi_r;
blk_id_map_rows[start_frame][scaled_blk_row][scaled_blk_col]
.as_mv.col = mi_c;
MV target_frame_mv;
tip_get_mv_projection(&target_frame_mv, ref_mv,
ref_temporal_scale_factor);
#if CONFIG_SIMPLIFY_MV_FIELD
cm->id_offset_map_rows[target_frame][mi_r][mi_c].as_mv.row =
clamp(target_frame_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
cm->id_offset_map_rows[target_frame][mi_r][mi_c].as_mv.col =
clamp(target_frame_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
cm->id_offset_map_rows[target_frame][mi_r][mi_c].as_mv.row =
target_frame_mv.row;
cm->id_offset_map_rows[target_frame][mi_r][mi_c].as_mv.col =
target_frame_mv.col;
#endif // CONFIG_SIMPLIFY_MV_FIELD
int target_row = 0, target_col = 0;
int target_pos_valid;
if (ref_mv.row == 0 && ref_mv.col == 0) {
target_pos_valid = 1;
target_row = scaled_blk_row;
target_col = scaled_blk_col;
} else {
target_pos_valid = get_block_position_no_constraint(
cm, &target_row, &target_col, scaled_blk_row,
scaled_blk_col, ref_mv, 0);
}
target_row = (target_row >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
target_col = (target_col >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
if (target_pos_valid)
target_pos_valid = check_block_position(
cm, target_row, target_col, mi_r, mi_c);
if (target_pos_valid) {
blk_id_map_rows[target_frame][target_row][target_col]
.as_mv.row = mi_r;
blk_id_map_rows[target_frame][target_row][target_col]
.as_mv.col = mi_c;
}
}
if (is_backward) {
ref_mv.row = -ref_mv.row;
ref_mv.col = -ref_mv.col;
}
cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_mv.row = ref_mv.row;
cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_mv.col = ref_mv.col;
cm->tpl_mvs_rows[mi_r][mi_c].ref_frame_offset = ref_frame_offset;
}
}
}
}
}
}
return 1;
}
// Calculate the projected motion field from the TMVP mvs that points from
// start_frame to one side.
static int motion_field_projection_side(AV1_COMMON *cm,
MV_REFERENCE_FRAME start_frame,
#if CONFIG_SIMPLIFY_MV_FIELD
MV_REFERENCE_FRAME target_frame,
#endif // CONFIG_SIMPLIFY_MV_FIELD
int side_idx) {
int ref_offset[INTER_REFS_PER_FRAME] = { 0 };
const RefCntBuffer *const start_frame_buf =
get_ref_frame_buf(cm, start_frame);
if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0;
const int start_frame_order_hint = start_frame_buf->display_order_hint;
const int cur_order_hint = cm->cur_frame->display_order_hint;
int start_to_current_frame_offset = get_relative_dist(
&cm->seq_params.order_hint_info, start_frame_order_hint, cur_order_hint);
if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) {
return 0;
}
int temporal_scale_factor[REF_FRAMES] = { 0 };
int ref_temporal_scale_factor[REF_FRAMES] = { 0 };
int ref_abs_offset[REF_FRAMES] = { 0 };
assert(start_frame_buf->width == cm->width &&
start_frame_buf->height == cm->height);
const int *const ref_order_hints =
&start_frame_buf->ref_display_order_hint[0];
for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) {
if (ref_order_hints[rf] != -1) {
ref_offset[rf] =
get_relative_dist(&cm->seq_params.order_hint_info,
start_frame_order_hint, ref_order_hints[rf]);
ref_abs_offset[rf] = abs(ref_offset[rf]);
temporal_scale_factor[rf] = tip_derive_scale_factor(
start_to_current_frame_offset, ref_offset[rf]);
int ref_to_current_frame_offset =
-ref_offset[rf] + start_to_current_frame_offset;
ref_temporal_scale_factor[rf] =
tip_derive_scale_factor(ref_to_current_frame_offset, -ref_offset[rf]);
}
}
int start_ref_map[INTER_REFS_PER_FRAME];
for (int k = 0; k < INTER_REFS_PER_FRAME; k++) {
const int ref_k_hint = start_frame_buf->ref_display_order_hint[k];
start_ref_map[k] = NONE_FRAME;
for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) {
const int rf_hint = get_ref_frame_buf(cm, rf)->display_order_hint;
if (rf_hint >= 0 && ref_k_hint >= 0 &&
get_relative_dist(&cm->seq_params.order_hint_info, rf_hint,
ref_k_hint) == 0) {
start_ref_map[k] = rf;
break;
}
}
}
MV_REF *mv_ref_base = start_frame_buf->mvs;
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int start_mvs_rows =
ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS);
const int start_mvs_cols =
ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS);
(void)mvs_rows;
assert(cm->tmvp_sample_step > 0);
for (int blk_row = 0; blk_row < start_mvs_rows;
blk_row += cm->tmvp_sample_step) {
for (int blk_col = 0; blk_col < start_mvs_cols;
blk_col += cm->tmvp_sample_step) {
MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col];
const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[side_idx];
if (is_inter_ref_frame(ref_frame)) {
MV ref_mv = mv_ref->mv[side_idx].as_mv;
fetch_mv_from_tmvp(&ref_mv);
int scaled_blk_col = blk_col;
int scaled_blk_row = blk_row;
MV_REFERENCE_FRAME end_frame = start_ref_map[ref_frame];
if (cm->seq_params.enable_mv_traj) {
check_traj_intersect(cm, start_frame, end_frame, &ref_mv,
scaled_blk_row, scaled_blk_col, mvs_cols);
}
int ref_frame_offset = ref_offset[ref_frame];
int pos_valid = ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE;
if ((side_idx == 0 && ref_frame_offset < 0) ||
(side_idx == 1 && ref_frame_offset > 0)) {
pos_valid = 0;
}
if (pos_valid) {
int_mv this_mv;
int mi_r = scaled_blk_row;
int mi_c = scaled_blk_col;
if (!(ref_mv.row == 0 && ref_mv.col == 0)) {
tip_get_mv_projection(&this_mv.as_mv, ref_mv,
temporal_scale_factor[ref_frame]);
pos_valid = get_block_position_no_constraint(
cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv,
0);
} else {
this_mv.as_int = 0;
}
mi_r = (mi_r >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
mi_c = (mi_c >> cm->tmvp_sample_stepl2) << cm->tmvp_sample_stepl2;
if (pos_valid)
pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col,
mi_r, mi_c);
if (pos_valid) {
if (cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_int == INVALID_MV
#if CONFIG_SIMPLIFY_MV_FIELD
|| (target_frame != -1 && end_frame == target_frame &&
cm->tpl_mvs_rows[mi_r][mi_c].ref_frame_offset !=
ref_abs_offset[ref_frame])
#endif // CONFIG_SIMPLIFY_MV_FIELD
) {
if (cm->seq_params.enable_mv_traj) {
int blk_id_k = get_blk_id_k(mi_c, cm->tmvp_proc_sizel2);
int_mv ***blk_id_map_rows = cm->blk_id_map_rows[blk_id_k];
#if CONFIG_SIMPLIFY_MV_FIELD
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.row =
clamp(-this_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.col =
clamp(-this_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.row =
-this_mv.as_mv.row;
cm->id_offset_map_rows[start_frame][mi_r][mi_c].as_mv.col =
-this_mv.as_mv.col;
#endif // CONFIG_SIMPLIFY_MV_FIELD
blk_id_map_rows[start_frame][scaled_blk_row][scaled_blk_col]
.as_mv.row = mi_r;
blk_id_map_rows[start_frame][scaled_blk_row][scaled_blk_col]
.as_mv.col = mi_c;
if (end_frame != NONE_FRAME) {
MV end_frame_mv;
tip_get_mv_projection(&end_frame_mv, ref_mv,
ref_temporal_scale_factor[ref_frame]);
#if CONFIG_SIMPLIFY_MV_FIELD
cm->id_offset_map_rows[end_frame][mi_r][mi_c].as_mv.row =
clamp(end_frame_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT);
cm->id_offset_map_rows[end_frame][mi_r][mi_c].as_mv.col =
clamp(end_frame_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT);
#else
cm->id_offset_map_rows[end_frame][mi_r][mi_c].as_mv.row =
end_frame_mv.row;
cm->id_offset_map_rows[end_frame][mi_r][mi_c].as_mv.col =
end_frame_mv.col;
#endif // CONFIG_SIMPLIFY_MV_FIELD
int end_row = 0, end_col = 0;
int end_pos_valid;
if (ref_mv.row == 0 && ref_mv.col == 0) {
end_pos_valid = 1;
end_row = scaled_blk_row;
end_col = scaled_blk_col;
} else {
end_pos_valid = get_block_position_no_constraint(
cm, &end_row, &end_col, scaled_blk_row, scaled_blk_col,
ref_mv, 0);
}
end_row = (end_row >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
end_col = (end_col >> cm->tmvp_sample_stepl2)
<< cm->tmvp_sample_stepl2;
if (end_pos_valid)
end_pos_valid =
check_block_position(cm, end_row, end_col, mi_r, mi_c);
if (end_pos_valid) {
blk_id_map_rows[end_frame][end_row][end_col].as_mv.row =
mi_r;
blk_id_map_rows[end_frame][end_row][end_col].as_mv.col =
mi_c;
}
}
}
if (side_idx == 1) {
ref_mv.row = -ref_mv.row;
ref_mv.col = -ref_mv.col;
ref_frame_offset = ref_abs_offset[ref_frame];
}
cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_mv.row = ref_mv.row;
cm->tpl_mvs_rows[mi_r][mi_c].mfmv0.as_mv.col = ref_mv.col;
cm->tpl_mvs_rows[mi_r][mi_c].ref_frame_offset = ref_frame_offset;
}
}
}
}
}
}
return 1;
}
// Whether to do interpolation for sampled TMVP mvs.
#define DO_AVG_FILL 1
static INLINE int calc_avg(int sum, int count) {
assert(count > 0 && count <= 4);
if (count == 1) {
return sum;
}
if (count == 2) {
return ROUND_POWER_OF_TWO_SIGNED(sum, 1);
}
if (count == 4) {
return ROUND_POWER_OF_TWO_SIGNED(sum, 2);
}
assert(count == 3);
#if CONFIG_SIMPLIFY_MV_FIELD
return ROUND_POWER_OF_TWO_SIGNED(sum * 85, 8);
#else
return ROUND_POWER_OF_TWO_SIGNED(sum * 43, 7);
#endif // CONFIG_SIMPLIFY_MV_FIELD
}
// Calculate the average MV length in the reference frame motion field
// candidate.
void calc_and_set_avg_lengths(AV1_COMMON *cm, int ref, int side) {
RefCntBuffer *buf = get_ref_frame_buf(cm, ref);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
int64_t avg_row = 0;
int64_t avg_col = 0;
int64_t count = 0;
const int buf_hint = buf->display_order_hint;
for (int r = 0; r < mvs_rows; r += 2) {
for (int c = 0; c < mvs_cols; c += 2) {
const MV_REF *mv_ref = &buf->mvs[r * mvs_cols + c];
if (mv_ref->ref_frame[side] != NONE_FRAME) {
const int ref_hint =
buf->ref_display_order_hint[mv_ref->ref_frame[side]];
const int dist = abs(get_relative_dist(&cm->seq_params.order_hint_info,
buf_hint, ref_hint));
if (dist != 0) {
MV ref_mv = mv_ref->mv[side].as_mv;
fetch_mv_from_tmvp(&ref_mv);
avg_row += abs(ref_mv.row * 2 / dist);
avg_col += abs(ref_mv.col * 2 / dist);
count++;
}
}
}
}
buf->avg_row[side] = count == 0 ? 0 : avg_row / count;
buf->avg_col[side] = count == 0 ? 0 : avg_col / count;
return;
}
// Determine whether we should use sampling of TMVP mvs for the current frame.
void determine_tmvp_sample_step(AV1_COMMON *cm,
int checked_ref[INTER_REFS_PER_FRAME][2]) {
cm->tmvp_sample_step = 1;
cm->tmvp_sample_stepl2 = 0;
const SequenceHeader *const seq_params = &cm->seq_params;
const int sb_size = block_size_high[seq_params->sb_size];
if (sb_size == 64) {
return;
}
int small_count = 0;
int large_count = 0;
const int cur_hint = cm->cur_frame->display_order_hint;
for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
for (int j = 0; j < 2; j++) {
if (!checked_ref[i][j]) continue;
const RefCntBuffer *buf = get_ref_frame_buf(cm, i);
const int buf_hint = buf->display_order_hint;
if (!is_ref_motion_field_eligible(cm, buf)) continue;
calc_and_set_avg_lengths(cm, i, j);
const int dist = abs(get_relative_dist(&cm->seq_params.order_hint_info,
cur_hint, buf_hint));
if (buf->avg_row[j] * dist / 16 > 8 || buf->avg_col[j] * dist / 16 > 16) {
large_count++;
} else {
small_count++;
}
}
}
if (large_count > small_count * 2) {
cm->tmvp_sample_step = 2;
cm->tmvp_sample_stepl2 = 1;
}
}
// Interpolate the sampled tpl_mvs.
void av1_fill_tpl_mvs_sample_gap(AV1_COMMON *cm) {
assert(cm->tmvp_sample_step > 0);
if (cm->tmvp_sample_step != 2) {
return;
}
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const SequenceHeader *const seq_params = &cm->seq_params;
const int sb_size = block_size_high[seq_params->sb_size];
const int mf_sb_size_log2 =
get_mf_sb_size_log2(sb_size, cm->mib_size_log2, cm->tmvp_sample_step);
const int mf_sb_size = (1 << mf_sb_size_log2);
const int sb_tmvp_size = (mf_sb_size >> TMVP_MI_SZ_LOG2);
const int sb_tmvp_size_log2 = mf_sb_size_log2 - TMVP_MI_SZ_LOG2;
for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) {
for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) {
if (cm->tpl_mvs_rows[r][c].mfmv0.as_int == INVALID_MV) continue;
int count[3] = { 0 }; // [hor, ver, diag]
int avg[3][2] = { 0 }; // [hor, ver, diag][row, col]
int norm_ref_offset = -1;
// this
if (cm->tpl_mvs_rows[r][c].mfmv0.as_int != INVALID_MV) {
norm_ref_offset = cm->tpl_mvs_rows[r][c].ref_frame_offset;
count[0]++;
count[1]++;
count[2]++;
avg[0][0] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.row;
avg[1][0] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.row;
avg[2][0] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.row;
avg[0][1] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.col;
avg[1][1] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.col;
avg[2][1] += cm->tpl_mvs_rows[r][c].mfmv0.as_mv.col;
}
if (DO_AVG_FILL) {
const int base_blk_row = (r >> sb_tmvp_size_log2) << sb_tmvp_size_log2;
const int base_blk_col = (c >> sb_tmvp_size_log2) << sb_tmvp_size_log2;
int_mv tmp_mv;
// right
const int c_right_step = c + cm->tmvp_sample_step;
if (c_right_step < mvs_cols &&
c_right_step < base_blk_col + sb_tmvp_size &&
cm->tpl_mvs_rows[r][c_right_step].mfmv0.as_int != INVALID_MV) {
if (norm_ref_offset == -1)
norm_ref_offset =
cm->tpl_mvs_rows[r][c_right_step].ref_frame_offset;
get_mv_projection_clamp(
&tmp_mv.as_mv, cm->tpl_mvs_rows[r][c_right_step].mfmv0.as_mv,
norm_ref_offset,
cm->tpl_mvs_rows[r][c_right_step].ref_frame_offset, -REFMVS_LIMIT,
REFMVS_LIMIT);
count[0]++;
count[2]++;
avg[0][0] += tmp_mv.as_mv.row;
avg[2][0] += tmp_mv.as_mv.row;
avg[0][1] += tmp_mv.as_mv.col;
avg[2][1] += tmp_mv.as_mv.col;
}
// lower
const int r_lower_step = r + cm->tmvp_sample_step;
if (r_lower_step < mvs_rows &&
r_lower_step < base_blk_row + sb_tmvp_size &&
cm->tpl_mvs_rows[r_lower_step][c].mfmv0.as_int != INVALID_MV) {
if (norm_ref_offset == -1)
norm_ref_offset =
cm->tpl_mvs_rows[r_lower_step][c].ref_frame_offset;
get_mv_projection_clamp(
&tmp_mv.as_mv, cm->tpl_mvs_rows[r_lower_step][c].mfmv0.as_mv,
norm_ref_offset,
cm->tpl_mvs_rows[r_lower_step][c].ref_frame_offset, -REFMVS_LIMIT,
REFMVS_LIMIT);
count[1]++;
count[2]++;
avg[1][0] += tmp_mv.as_mv.row;
avg[2][0] += tmp_mv.as_mv.row;
avg[1][1] += tmp_mv.as_mv.col;
avg[2][1] += tmp_mv.as_mv.col;
}
// lower_right
if (r_lower_step < mvs_rows &&
r_lower_step < base_blk_row + sb_tmvp_size &&
c_right_step < mvs_cols &&
c_right_step < base_blk_col + sb_tmvp_size &&
cm->tpl_mvs_rows[r_lower_step][c_right_step].mfmv0.as_int !=
INVALID_MV) {
if (norm_ref_offset == -1)
norm_ref_offset =
cm->tpl_mvs_rows[r_lower_step][c_right_step].ref_frame_offset;
get_mv_projection_clamp(
&tmp_mv.as_mv,
cm->tpl_mvs_rows[r_lower_step][c_right_step].mfmv0.as_mv,
norm_ref_offset,
cm->tpl_mvs_rows[r_lower_step][c_right_step].ref_frame_offset,
-REFMVS_LIMIT, REFMVS_LIMIT);
count[2]++;
avg[2][0] += tmp_mv.as_mv.row;
avg[2][1] += tmp_mv.as_mv.col;
}
}
const int c_right = c + 1;
const int r_lower = r + 1;
if (c_right < mvs_cols && count[0] > 0) {
assert(cm->tpl_mvs_rows[r][c_right].mfmv0.as_int == INVALID_MV);
cm->tpl_mvs_rows[r][c_right].mfmv0.as_mv.row =
calc_avg(avg[0][0], count[0]);
cm->tpl_mvs_rows[r][c_right].mfmv0.as_mv.col =
calc_avg(avg[0][1], count[0]);
cm->tpl_mvs_rows[r][c_right].ref_frame_offset = norm_ref_offset;
}
if (r_lower < mvs_rows && count[1] > 0) {
assert(cm->tpl_mvs_rows[r_lower][c].mfmv0.as_int == INVALID_MV);
cm->tpl_mvs_rows[r_lower][c].mfmv0.as_mv.row =
calc_avg(avg[1][0], count[1]);
cm->tpl_mvs_rows[r_lower][c].mfmv0.as_mv.col =
calc_avg(avg[1][1], count[1]);
cm->tpl_mvs_rows[r_lower][c].ref_frame_offset = norm_ref_offset;
}
if (r_lower < mvs_rows && c_right < mvs_cols && count[2] > 0) {
assert(cm->tpl_mvs_rows[r_lower][c_right].mfmv0.as_int == INVALID_MV);
cm->tpl_mvs_rows[r_lower][c_right].mfmv0.as_mv.row =
calc_avg(avg[2][0], count[2]);
cm->tpl_mvs_rows[r_lower][c_right].mfmv0.as_mv.col =
calc_avg(avg[2][1], count[2]);
cm->tpl_mvs_rows[r_lower][c_right].ref_frame_offset = norm_ref_offset;
}
}
}
}
// Interpolate the sampled id_offset_map.
static void fill_id_offset_sample_gap(AV1_COMMON *cm) {
assert(cm->tmvp_sample_step > 0);
if (cm->tmvp_sample_step != 2) {
return;
}
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const SequenceHeader *const seq_params = &cm->seq_params;
const int sb_size = block_size_high[seq_params->sb_size];
const int mf_sb_size_log2 =
get_mf_sb_size_log2(sb_size, cm->mib_size_log2, cm->tmvp_sample_step);
const int mf_sb_size = (1 << mf_sb_size_log2);
const int sb_tmvp_size = (mf_sb_size >> TMVP_MI_SZ_LOG2);
const int sb_tmvp_size_log2 = mf_sb_size_log2 - TMVP_MI_SZ_LOG2;
for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) {
for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) {
for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) {
if (cm->id_offset_map_rows[rf][r][c].as_int == INVALID_MV) continue;
int count[3] = { 0 }; // [hor, ver, diag]
int avg[3][2] = { 0 }; // [hor, ver, diag][row, col]
// this
if (cm->id_offset_map_rows[rf][r][c].as_int != INVALID_MV) {
count[0]++;
count[1]++;
count[2]++;
avg[0][0] += cm->id_offset_map_rows[rf][r][c].as_mv.row;
avg[1][0] += cm->id_offset_map_rows[rf][r][c].as_mv.row;
avg[2][0] += cm->id_offset_map_rows[rf][r][c].as_mv.row;
avg[0][1] += cm->id_offset_map_rows[rf][r][c].as_mv.col;
avg[1][1] += cm->id_offset_map_rows[rf][r][c].as_mv.col;
avg[2][1] += cm->id_offset_map_rows[rf][r][c].as_mv.col;
}
if (DO_AVG_FILL) {
const int base_blk_row = (r >> sb_tmvp_size_log2)
<< sb_tmvp_size_log2;
const int base_blk_col = (c >> sb_tmvp_size_log2)
<< sb_tmvp_size_log2;
// right
const int c_right_step = c + cm->tmvp_sample_step;
if (c_right_step < mvs_cols &&
c_right_step < base_blk_col + sb_tmvp_size &&
cm->id_offset_map_rows[rf][r][c_right_step].as_int !=
INVALID_MV) {
count[0]++;
count[2]++;
avg[0][0] += cm->id_offset_map_rows[rf][r][c_right_step].as_mv.row;
avg[2][0] += cm->id_offset_map_rows[rf][r][c_right_step].as_mv.row;
avg[0][1] += cm->id_offset_map_rows[rf][r][c_right_step].as_mv.col;
avg[2][1] += cm->id_offset_map_rows[rf][r][c_right_step].as_mv.col;
}
// lower
const int r_lower_step = r + cm->tmvp_sample_step;
if (r_lower_step < mvs_rows &&
r_lower_step < base_blk_row + sb_tmvp_size &&
cm->id_offset_map_rows[rf][r_lower_step][c].as_int !=
INVALID_MV) {
count[1]++;
count[2]++;
avg[1][0] += cm->id_offset_map_rows[rf][r_lower_step][c].as_mv.row;
avg[2][0] += cm->id_offset_map_rows[rf][r_lower_step][c].as_mv.row;
avg[1][1] += cm->id_offset_map_rows[rf][r_lower_step][c].as_mv.col;
avg[2][1] += cm->id_offset_map_rows[rf][r_lower_step][c].as_mv.col;
}
// lower_right
if (r_lower_step < mvs_rows &&
r_lower_step < base_blk_row + sb_tmvp_size &&
c_right_step < mvs_cols &&
c_right_step < base_blk_col + sb_tmvp_size &&
cm->id_offset_map_rows[rf][r_lower_step][c_right_step].as_int !=
INVALID_MV) {
count[2]++;
avg[2][0] += cm->id_offset_map_rows[rf][r_lower_step][c_right_step]
.as_mv.row;
avg[2][1] += cm->id_offset_map_rows[rf][r_lower_step][c_right_step]
.as_mv.col;
}
}
const int c_right = c + 1;
const int r_lower = r + 1;
if (c_right < mvs_cols && count[0] > 0) {
assert(cm->id_offset_map_rows[rf][r][c_right].as_int == INVALID_MV);
cm->id_offset_map_rows[rf][r][c_right].as_mv.row =
calc_avg(avg[0][0], count[0]);
cm->id_offset_map_rows[rf][r][c_right].as_mv.col =
calc_avg(avg[0][1], count[0]);
}
if (r_lower < mvs_rows && count[1] > 0) {
assert(cm->id_offset_map_rows[rf][r_lower][c].as_int == INVALID_MV);
cm->id_offset_map_rows[rf][r_lower][c].as_mv.row =
calc_avg(avg[1][0], count[1]);
cm->id_offset_map_rows[rf][r_lower][c].as_mv.col =
calc_avg(avg[1][1], count[1]);
}
if (r_lower < mvs_rows && c_right < mvs_cols && count[2] > 0) {
assert(cm->id_offset_map_rows[rf][r_lower][c_right].as_int ==
INVALID_MV);
cm->id_offset_map_rows[rf][r_lower][c_right].as_mv.row =
calc_avg(avg[2][0], count[2]);
cm->id_offset_map_rows[rf][r_lower][c_right].as_mv.col =
calc_avg(avg[2][1], count[2]);
}
}
}
}
}
void av1_setup_motion_field(AV1_COMMON *cm) {
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
memset(cm->ref_frame_side, 0, sizeof(cm->ref_frame_side));
memset(cm->ref_frame_relative_dist, 0, sizeof(cm->ref_frame_relative_dist));
#if CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
if (order_hint_info->order_hint_bits_minus_1 < 0) return;
#else
if (!order_hint_info->enable_order_hint) return;
#endif // CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
const int mvs_rows =
ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS);
const int mvs_cols =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
int size = mvs_rows * mvs_cols;
for (int idx = 0; idx < size; ++idx) {
tpl_mvs_base[idx].mfmv0.as_int = INVALID_MV;
tpl_mvs_base[idx].ref_frame_offset = 0;
}
const RefCntBuffer *ref_buf[INTER_REFS_PER_FRAME];
for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
ref_buf[i] = NULL;
cm->ref_frame_side[i] = 0;
cm->ref_frame_relative_dist[i] = 0;
}
for (int index = 0; index < cm->ref_frames_info.num_past_refs; index++) {
const int ref_frame = cm->ref_frames_info.past_refs[index];
cm->ref_frame_side[ref_frame] = 0;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
ref_buf[ref_frame] = buf;
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
}
for (int index = 0; index < cm->ref_frames_info.num_future_refs; index++) {
const int ref_frame = cm->ref_frames_info.future_refs[index];
cm->ref_frame_side[ref_frame] = 1;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
ref_buf[ref_frame] = buf;
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
}
for (int index = 0; index < cm->ref_frames_info.num_cur_refs; index++) {
const int ref_frame = cm->ref_frames_info.cur_refs[index];
cm->ref_frame_side[ref_frame] = -1;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
ref_buf[ref_frame] = buf;
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
}
cm->has_both_sides_refs = (cm->ref_frames_info.num_future_refs > 0) &&
(cm->ref_frames_info.num_past_refs > 0);
(void)ref_buf;
if (cm->seq_params.enable_mv_traj) {
for (int rf = 0; rf < INTER_REFS_PER_FRAME; rf++) {
for (int i = 0; i < mvs_rows * mvs_cols; i++) {
cm->id_offset_map[rf][i].as_int = INVALID_MV;
for (int k = 0; k < 3; k++) {
cm->blk_id_map[k][rf][i].as_int = INVALID_MV;
}
}
}
}
// Find the sorted map of refs.
int sort_ref[INTER_REFS_PER_FRAME] = { 0, 1, 2, 3, 4, 5, 6 };
int disp_order[INTER_REFS_PER_FRAME] = { 0 };
bool is_overlay[INTER_REFS_PER_FRAME] = { false };
for (int rf = cm->ref_frames_info.num_total_refs - 1; rf >= 0; rf--) {
if (is_ref_overlay(cm, rf) &&
get_ref_frame_buf(cm, rf)->frame_type != KEY_FRAME) {
is_overlay[rf] = true;
}
}
for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) {
disp_order[rf] = get_ref_frame_buf(cm, rf)->display_order_hint;
}
// Sort the points by x.
for (int i = 0; i < cm->ref_frames_info.num_total_refs; i++) {
for (int j = i + 1; j < cm->ref_frames_info.num_total_refs; j++) {
if (get_relative_dist(order_hint_info, disp_order[j], disp_order[i]) <
0) {
int tmp = disp_order[i];
disp_order[i] = disp_order[j];
disp_order[j] = tmp;
tmp = sort_ref[i];
sort_ref[i] = sort_ref[j];
sort_ref[j] = tmp;
}
}
}
int cur_disp_order = cm->cur_frame->display_order_hint;
// The idx of rf in sort_ref that is before current frame, and closest.
int cur_frame_sort_idx = -1;
for (int rf_idx = 0; rf_idx < cm->ref_frames_info.num_total_refs; rf_idx++) {
if (get_relative_dist(order_hint_info, disp_order[rf_idx], cur_disp_order) <
0) {
cur_frame_sort_idx = rf_idx;
} else {
break;
}
}
int rf_stack[INTER_REFS_PER_FRAME];
int visited[INTER_REFS_PER_FRAME] = { 0 };
int stack_count = 0;
for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) {
if (visited[rf] == 0) {
recur_topo_sort_refs(cm, is_overlay, rf_stack, visited, &stack_count, rf);
}
}
if (stack_count < 2) return;
int rf_topo_stack_idx[INTER_REFS_PER_FRAME];
for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) {
rf_topo_stack_idx[rf] = -1;
for (int stack_idx = 0; stack_idx < stack_count; stack_idx++) {
if (rf_stack[stack_idx] == rf) {
rf_topo_stack_idx[rf] = stack_idx;
break;
}
}
}
struct ProcessRefTMVP process_ref[20];
int process_count = 0;
int checked_ref[INTER_REFS_PER_FRAME][2] = { 0 };
int checked_count = 0;
if (cm->seq_params.enable_tip) {
#if CONFIG_TIP_LD
if (cm->has_both_sides_refs || cm->ref_frames_info.num_past_refs >= 2) {
if (cm->has_both_sides_refs) {
cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx];
cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx + 1];
} else if (cm->ref_frames_info.num_past_refs >= 2) {
cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx];
cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx - 1];
}
#else
if (cur_frame_sort_idx >= 0 &&
cur_frame_sort_idx < cm->ref_frames_info.num_total_refs - 1) {
cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx];
cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx + 1];
#endif // CONFIG_TIP_LD
int start_frame, target_frame;
int side;
if (rf_topo_stack_idx[cm->tip_ref.ref_frame[0]] >
rf_topo_stack_idx[cm->tip_ref.ref_frame[1]]) {
start_frame = cm->tip_ref.ref_frame[0];
target_frame = cm->tip_ref.ref_frame[1];
#if !CONFIG_SIMPLIFY_MV_FIELD
side = 1; // pointing from left to right
#endif // CONFIG_SIMPLIFY_MV_FIELD
} else {
start_frame = cm->tip_ref.ref_frame[1];
target_frame = cm->tip_ref.ref_frame[0];
#if !CONFIG_SIMPLIFY_MV_FIELD
side = 0; // pointing from right to left
#endif // CONFIG_SIMPLIFY_MV_FIELD
}
#if CONFIG_SIMPLIFY_MV_FIELD
int dist_diff = get_relative_dist(
order_hint_info,
get_ref_frame_buf(cm, start_frame)->display_order_hint,
get_ref_frame_buf(cm, target_frame)->display_order_hint);
side = dist_diff < 0 ? 1 : 0;
check_and_add_process_ref(cm, TIP_MFMV_STACK_SIZE, 0, start_frame,
target_frame, side, checked_ref, &checked_count,
process_ref, &process_count);
#else
check_and_add_process_ref(cm, TIP_MFMV_STACK_SIZE, 1, start_frame,
target_frame, side, checked_ref, &checked_count,
process_ref, &process_count);
#endif // CONFIG_SIMPLIFY_MV_FIELD
} else {
cm->tip_ref.ref_frame[0] = NONE_FRAME;
cm->tip_ref.ref_frame[1] = NONE_FRAME;
}
}
for (int group_idx = 0; group_idx < 2; ++group_idx) {
int past_ref_sort_idx =
cur_frame_sort_idx >= group_idx ? cur_frame_sort_idx - group_idx : -1;
if (past_ref_sort_idx >= 0 &&
!has_future_ref(cm, sort_ref[past_ref_sort_idx]))
past_ref_sort_idx = -1;
int future_ref_sort_idx =
cur_frame_sort_idx < cm->ref_frames_info.num_total_refs - group_idx - 1
? cur_frame_sort_idx + 1 + group_idx
: -1;
if (future_ref_sort_idx >= 0 &&
!has_past_ref(cm, sort_ref[future_ref_sort_idx]))
future_ref_sort_idx = -1;
const int past_ref_to_its_ref_dist =
past_ref_sort_idx >= 0
? get_dist_to_closest_interp_ref(cm, sort_ref[past_ref_sort_idx], 0)
: -1;
const int future_ref_to_its_ref_dist =
future_ref_sort_idx >= 0 ? get_dist_to_closest_interp_ref(
cm, sort_ref[future_ref_sort_idx], 1)
: -1;
if (future_ref_to_its_ref_dist < past_ref_to_its_ref_dist) {
if (future_ref_sort_idx != -1) {
check_and_add_process_ref(
cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[future_ref_sort_idx], -1, 0,
checked_ref, &checked_count, process_ref, &process_count);
}
if (past_ref_sort_idx != -1) {
check_and_add_process_ref(
cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[past_ref_sort_idx], -1, 1,
checked_ref, &checked_count, process_ref, &process_count);
}
} else {
if (past_ref_sort_idx != -1) {
check_and_add_process_ref(
cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[past_ref_sort_idx], -1, 1,
checked_ref, &checked_count, process_ref, &process_count);
}
if (future_ref_sort_idx != -1) {
check_and_add_process_ref(
cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[future_ref_sort_idx], -1, 0,
checked_ref, &checked_count, process_ref, &process_count);
}
}
}
if (cur_frame_sort_idx >= 0) {
check_and_add_process_ref(cm, TIP_MFMV_STACK_SIZE, 0,
sort_ref[cur_frame_sort_idx], -1, 0, checked_ref,
&checked_count, process_ref, &process_count);
}
if (cur_frame_sort_idx >= 1) {
check_and_add_process_ref(
cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[cur_frame_sort_idx - 1], -1, 0,
checked_ref, &checked_count, process_ref, &process_count);
}
for (int ri = stack_count - 1; ri > 0; ri--) {
int side;
const int ref_hint =
get_ref_frame_buf(cm, rf_stack[ri])->display_order_hint;
if (get_relative_dist(order_hint_info, ref_hint, cur_disp_order) < 0) {
side = 1;
} else {
side = 0;
}
if (!checked_ref[rf_stack[ri]][side]) {
check_and_add_process_ref(cm, MFMV_STACK_SIZE, 0, rf_stack[ri], -1, side,
checked_ref, &checked_count, process_ref,
&process_count);
}
side = !side;
if (!checked_ref[rf_stack[ri]][side]) {
check_and_add_process_ref(cm, MFMV_STACK_SIZE, 0, rf_stack[ri], -1, side,
checked_ref, &checked_count, process_ref,
&process_count);
}
}
// At the encoder cm->tmvp_sample_step is initialized as -1, while at the
// decoder it is already read from bitstream before this.
if (cm->tmvp_sample_step < 0) {
determine_tmvp_sample_step(cm, checked_ref);
}
get_proc_size_and_offset(cm);
#if CONFIG_REDUCED_REF_FRAME_MVS_MODE
assert(order_hint_info->reduced_ref_frame_mvs_mode >= 0 &&
order_hint_info->reduced_ref_frame_mvs_mode <= 1);
if (order_hint_info->reduced_ref_frame_mvs_mode > 0) {
// Cap the reference combinations to 2 for reduced_ref_frame_mvs_mode.
process_count = AOMMIN(2, process_count);
}
#endif // CONFIG_REDUCED_REF_FRAME_MVS_MODE
for (int pi = 0; pi < process_count; pi++) {
if (process_ref[pi].type == 0) {
motion_field_projection_side(cm, process_ref[pi].start_frame,
#if CONFIG_SIMPLIFY_MV_FIELD
process_ref[pi].target_frame,
#endif // CONFIG_SIMPLIFY_MV_FIELD
process_ref[pi].side);
} else {
motion_field_projection_start_target(cm, process_ref[pi].start_frame,
process_ref[pi].target_frame);
}
}
if (cm->seq_params.enable_mv_traj) {
fill_id_offset_sample_gap(cm);
}
}
void av1_setup_ref_frame_sides(AV1_COMMON *cm) {
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
memset(cm->ref_frame_side, 0, sizeof(cm->ref_frame_side));
memset(cm->ref_frame_relative_dist, 0, sizeof(cm->ref_frame_relative_dist));
#if CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
if (order_hint_info->order_hint_bits_minus_1 < 0) return;
#else
if (!order_hint_info->enable_order_hint) return;
#endif // CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
const int cur_order_hint = cm->cur_frame->display_order_hint;
const int num_refs =
AOMMIN(cm->ref_frames_info.num_total_refs, INTER_REFS_PER_FRAME);
for (int ref_frame = 0; ref_frame < num_refs; ref_frame++) {
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
int order_hint = 0;
if (buf != NULL) order_hint = buf->display_order_hint;
const int relative_dist =
get_relative_dist(order_hint_info, order_hint, cur_order_hint);
if (relative_dist > 0) {
cm->ref_frame_side[ref_frame] = 1;
} else if (order_hint == cur_order_hint) {
cm->ref_frame_side[ref_frame] = -1;
}
cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
}
}
static INLINE void record_samples(const MB_MODE_INFO *mbmi, int ref, int *pts,
int *pts_inref, int row_offset, int sign_r,
int col_offset, int sign_c) {
int bw = block_size_wide[mbmi->sb_type[PLANE_TYPE_Y]];
int bh = block_size_high[mbmi->sb_type[PLANE_TYPE_Y]];
int x = col_offset * MI_SIZE + sign_c * AOMMAX(bw, MI_SIZE) / 2 - 1;
int y = row_offset * MI_SIZE + sign_r * AOMMAX(bh, MI_SIZE) / 2 - 1;
pts[0] = GET_MV_SUBPEL(x);
pts[1] = GET_MV_SUBPEL(y);
pts_inref[0] = GET_MV_SUBPEL(x) + mbmi->mv[ref].as_mv.col;
pts_inref[1] = GET_MV_SUBPEL(y) + mbmi->mv[ref].as_mv.row;
}
#if !CONFIG_CWG_193_WARP_CAUSAL_THRESHOLD_REMOVAL
// Select samples according to the motion vector difference.
uint8_t av1_selectSamples(MV *mv, int *pts, int *pts_inref, int len,
BLOCK_SIZE bsize) {
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int thresh = clamp(AOMMAX(bw, bh), 16, 112);
int pts_mvd[SAMPLES_ARRAY_SIZE] = { 0 };
int i, j, k, l = len;
uint8_t ret = 0;
assert(len <= LEAST_SQUARES_SAMPLES_MAX);
// Obtain the motion vector difference.
for (i = 0; i < len; ++i) {
pts_mvd[i] = abs(pts_inref[2 * i] - pts[2 * i] - mv->col) +
abs(pts_inref[2 * i + 1] - pts[2 * i + 1] - mv->row);
if (pts_mvd[i] > thresh)
pts_mvd[i] = -1;
else
ret++;
}
// Keep at least 1 sample.
if (!ret) return 1;
i = 0;
j = l - 1;
for (k = 0; k < l - ret; k++) {
while (pts_mvd[i] != -1) i++;
while (pts_mvd[j] == -1) j--;
assert(i != j);
if (i > j) break;
// Replace the discarded samples;
pts_mvd[i] = pts_mvd[j];
pts[2 * i] = pts[2 * j];
pts[2 * i + 1] = pts[2 * j + 1];
pts_inref[2 * i] = pts_inref[2 * j];
pts_inref[2 * i + 1] = pts_inref[2 * j + 1];
i++;
j--;
}
return ret;
}
#endif // !CONFIG_CWG_193_WARP_CAUSAL_THRESHOLD_REMOVAL
// Note: Samples returned are at 1/8-pel precision
// Sample are the neighbor block center point's coordinates relative to the
// left-top pixel of current block.
uint8_t av1_findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int *pts,
int *pts_inref
#if CONFIG_COMPOUND_WARP_CAUSAL
,
int ref_idx
#endif // CONFIG_COMPOUND_WARP_CAUSAL
) {
const MB_MODE_INFO *const mbmi = xd->mi[0];
#if CONFIG_COMPOUND_WARP_CAUSAL
const int ref_frame = mbmi->ref_frame[ref_idx];
#else
const int ref_frame = mbmi->ref_frame[0];
#endif // CONFIG_COMPOUND_WARP_CAUSAL
const int up_available = xd->up_available;
const int left_available = xd->left_available;
int i, mi_step;
uint8_t np = 0;
int do_top_left = 1;
int do_top_right = 1;
const int mi_stride = xd->mi_stride;
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
const TileInfo *const tile = &xd->tile;
const int is_sb_border = (mi_row % cm->mib_size == 0);
// scan the nearest above rows
if (up_available) {
const int mi_row_offset = -1;
MB_MODE_INFO *above_mbmi = xd->mi[mi_row_offset * mi_stride];
const int above_mc_offset_start = above_mbmi->mi_col_start - mi_col;
if (above_mc_offset_start < 0) do_top_left = 0;
for (i = above_mc_offset_start;
i < AOMMIN(xd->width, cm->mi_params.mi_cols - mi_col); i += mi_step) {
above_mbmi = xd->mi[i + mi_row_offset * mi_stride];
mi_step = mi_size_wide[above_mbmi->sb_type[PLANE_TYPE_Y]];
if (is_sb_border && ((mi_col + i) % 2)) {
// Block MI width is 1 and block is in odd column
if (mi_step == 1) continue;
const int adjust_mi_col_offset =
((ROUND_POWER_OF_TWO(mi_col + i, 1)) << 1) - mi_col;
const POSITION block_pos = { -1, adjust_mi_col_offset };
if (!is_inside(tile, mi_col, mi_row, &block_pos)) {
continue;
}
above_mbmi = xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride];
}
for (int ref = 0; ref < 1 + has_second_ref(above_mbmi); ++ref) {
if (above_mbmi->ref_frame[ref] == ref_frame) {
record_samples(above_mbmi, ref, pts, pts_inref, 0, -1, i, 1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX)
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
do_top_right = (i == xd->width) && (i < cm->mi_params.mi_cols - mi_col);
}
// Scan the nearest left columns
if (left_available) {
const int mi_col_offset = -1;
MB_MODE_INFO *left_mbmi = xd->mi[mi_col_offset];
const int left_mr_offset_start = left_mbmi->mi_row_start - mi_row;
if (left_mr_offset_start < 0) do_top_left = 0;
for (i = left_mr_offset_start;
i < AOMMIN(xd->height, cm->mi_params.mi_rows - mi_row); i += mi_step) {
left_mbmi = xd->mi[mi_col_offset + i * mi_stride];
mi_step = mi_size_high[left_mbmi->sb_type[PLANE_TYPE_Y]];
for (int ref = 0; ref < 1 + has_second_ref(left_mbmi); ++ref) {
if (left_mbmi->ref_frame[ref] == ref_frame) {
record_samples(left_mbmi, ref, pts, pts_inref, i, 1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
}
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
// Top-left block
if (do_top_left && left_available && up_available) {
const int mi_row_offset = -1;
const int mi_col_offset = -1;
int has_valid_top_left = 1;
MB_MODE_INFO *top_left_mbmi =
xd->mi[mi_col_offset + mi_row_offset * mi_stride];
const int top_left_mi_col = (mi_col + mi_col_offset);
if (is_sb_border && (top_left_mi_col % 2)) {
mi_step = mi_size_wide[top_left_mbmi->sb_type[PLANE_TYPE_Y]];
if (mi_step == 1) {
// Block MI width is 1 and block is in odd column
has_valid_top_left = 0;
} else {
int adjust_mi_col_offset = 0;
if (top_left_mi_col > top_left_mbmi->mi_col_start) {
adjust_mi_col_offset = top_left_mi_col - 1 - mi_col;
} else {
adjust_mi_col_offset = top_left_mi_col + 1 - mi_col;
}
top_left_mbmi =
xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride];
}
}
if (has_valid_top_left) {
for (int ref = 0; ref < 1 + has_second_ref(top_left_mbmi); ++ref) {
if (top_left_mbmi->ref_frame[ref] == ref_frame) {
record_samples(top_left_mbmi, ref, pts, pts_inref, 0, -1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX)
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
// Top-right block
if (do_top_right && has_top_right(cm, xd, mi_row, mi_col, xd->width)) {
const POSITION top_right_block_pos = { -1, xd->width };
if (is_inside(tile, mi_col, mi_row, &top_right_block_pos)) {
const int mi_row_offset = -1;
const int mi_col_offset = xd->width;
int has_valid_top_right = 1;
MB_MODE_INFO *top_right_mbmi =
xd->mi[mi_col_offset + mi_row_offset * mi_stride];
const int top_right_mi_col = (mi_col + mi_col_offset);
if (is_sb_border && (top_right_mi_col % 2)) {
mi_step = mi_size_wide[top_right_mbmi->sb_type[PLANE_TYPE_Y]];
if (mi_step == 1) {
// Block MI width is 1 and block is in odd column
has_valid_top_right = 0;
} else {
int adjust_mi_col_offset = 0;
if (top_right_mi_col > top_right_mbmi->mi_col_start) {
adjust_mi_col_offset = top_right_mi_col - 1 - mi_col;
} else {
adjust_mi_col_offset = top_right_mi_col + 1 - mi_col;
}
const POSITION block_pos = { -1, adjust_mi_col_offset };
if (is_inside(tile, mi_col, mi_row, &block_pos)) {
top_right_mbmi =
xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride];
} else {
has_valid_top_right = 0;
}
}
}
if (has_valid_top_right) {
for (int ref = 0; ref < 1 + has_second_ref(top_right_mbmi); ++ref) {
if (top_right_mbmi->ref_frame[ref] == ref_frame) {
record_samples(top_right_mbmi, ref, pts, pts_inref, 0, -1,
xd->width, 1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
}
}
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
return np;
}
void av1_setup_skip_mode_allowed(AV1_COMMON *cm) {
#if !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
#endif // !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
SkipModeInfo *const skip_mode_info = &cm->current_frame.skip_mode_info;
skip_mode_info->skip_mode_allowed = 0;
skip_mode_info->ref_frame_idx_0 = INVALID_IDX;
skip_mode_info->ref_frame_idx_1 = INVALID_IDX;
if (
#if !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
!order_hint_info->enable_order_hint ||
#endif // !CONFIG_CWG_F243_REMOVE_ENABLE_ORDER_HINT
frame_is_intra_only(cm)
// This line should be added, however it will have stats change, can be enabled
// as bug fix if confirmed.
#if CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
// || cm->current_frame.reference_mode == SINGLE_REFERENCE
#endif // CONFIG_SKIP_MODE_ENHANCED_PARSING_DEPENDENCY_REMOVAL
)
return;
skip_mode_info->skip_mode_allowed = 1;
if (cm->ref_frames_info.num_total_refs > 1) {
skip_mode_info->ref_frame_idx_1 = 1;
skip_mode_info->ref_frame_idx_0 = 0;
const int cur_order_hint = cm->current_frame.display_order_hint;
int ref_offset[2];
get_skip_mode_ref_offsets(cm, ref_offset);
const int cur_to_ref0 = abs(get_relative_dist(
&cm->seq_params.order_hint_info, cur_order_hint, ref_offset[0]));
const int cur_to_ref1 = abs(get_relative_dist(
&cm->seq_params.order_hint_info, cur_order_hint, ref_offset[1]));
if (abs(cur_to_ref0 - cur_to_ref1) > 1) {
skip_mode_info->ref_frame_idx_0 = 0;
skip_mode_info->ref_frame_idx_1 = 0;
}
} else {
skip_mode_info->ref_frame_idx_1 = 0;
skip_mode_info->ref_frame_idx_0 = 0;
}
}
#define SB_TO_RMB_UNITS_LOG2 3
#define SB_TO_RMB_UNITS (1 << SB_TO_RMB_UNITS_LOG2)
#define BANK_1ST_UNIT_UPDATE_COUNT 4
#define BANK_UNIT_MAX_ALLOWED_LEFTOVER_UPDATES 16
// Divide SB into 64 units, and each unit has one hit. Thus, in worst case,
// one SB has 64 hits as defined in MAX_RMB_SB_HITS.
// If SB size is 128x128, then each unit size is (128/8)x(128/8)=16x16
// If SB size is 256x256, then each unit size is (256/8)x(256/8)=32x32
void decide_rmb_unit_update_count(const AV1_COMMON *const cm,
MACROBLOCKD *const xd,
const MB_MODE_INFO *const mbmi) {
if (!cm->seq_params.enable_refmvbank) return;
if (xd->tree_type == CHROMA_PART) return;
const int mi_sb_size = cm->mib_size;
const int mi_sb_size_log2 = cm->mib_size_log2;
const int mi_row_in_sb = xd->mi_row % mi_sb_size;
const int mi_col_in_sb = xd->mi_col % mi_sb_size;
const int rmb_unit_mi_size_log2 = mi_sb_size_log2 - SB_TO_RMB_UNITS_LOG2;
const int rmb_unit_mi_size = (1 << rmb_unit_mi_size_log2);
BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y];
const int mi_bw = mi_size_wide[bsize];
const int mi_bh = mi_size_high[bsize];
const int rmb_units_count = AOMMAX(mi_bw >> rmb_unit_mi_size_log2, 1) *
AOMMAX(mi_bh >> rmb_unit_mi_size_log2, 1);
if (mi_row_in_sb == 0 && mi_col_in_sb == 0) {
xd->ref_mv_bank.remain_hits =
AOMMAX(rmb_units_count, BANK_1ST_UNIT_UPDATE_COUNT);
xd->ref_mv_bank.rmb_unit_hits = 0;
} else if (((mi_row_in_sb % rmb_unit_mi_size) == 0) &&
((mi_col_in_sb % rmb_unit_mi_size) == 0)) {
xd->ref_mv_bank.remain_hits += rmb_units_count;
xd->ref_mv_bank.rmb_unit_hits = 0;
}
}
static INLINE void update_ref_mv_bank(const AV1_COMMON *const cm,
MACROBLOCKD *const xd, int from_within_sb,
const MB_MODE_INFO *const mbmi,
REF_MV_BANK *ref_mv_bank) {
if (from_within_sb) {
decide_rmb_unit_update_count(cm, xd, mbmi);
if (ref_mv_bank->remain_hits == 0 ||
ref_mv_bank->rmb_unit_hits >= BANK_UNIT_MAX_ALLOWED_LEFTOVER_UPDATES ||
ref_mv_bank->rmb_sb_hits >= MAX_RMB_SB_HITS) {
return;
}
ref_mv_bank->remain_hits--;
ref_mv_bank->rmb_unit_hits++;
} else {
// If max hits have been reached return.
if (ref_mv_bank->rmb_sb_hits >= MAX_RMB_SB_HITS) return;
}
// else increment count and proceed with updating.
++ref_mv_bank->rmb_sb_hits;
const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame);
const int rmb_list_index = get_rmb_list_index(ref_frame);
CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[rmb_list_index];
MV_REFERENCE_FRAME *rmb_ref_frame = ref_mv_bank->rmb_ref_frame;
const int is_comp = has_second_ref(mbmi);
const int start_idx = ref_mv_bank->rmb_start_idx[rmb_list_index];
const int count = ref_mv_bank->rmb_count[rmb_list_index];
int found = -1;
// Check if current MV is already existing in the buffer.
for (int i = 0; i < count; ++i) {
const int idx = (start_idx + i) % REF_MV_BANK_SIZE;
if ((rmb_list_index != REF_MV_BANK_LIST_FOR_ALL_OTHERS ||
rmb_ref_frame[idx] == ref_frame) &&
mbmi->mv[0].as_int == queue[idx].this_mv.as_int &&
(!is_comp || mbmi->mv[1].as_int == queue[idx].comp_mv.as_int)) {
found = i;
break;
}
}
// If current MV is found in the buffer, move it to the end of the buffer.
if (found >= 0) {
const int idx = (start_idx + found) % REF_MV_BANK_SIZE;
const CANDIDATE_MV cand = queue[idx];
for (int i = found; i < count - 1; ++i) {
const int idx0 = (start_idx + i) % REF_MV_BANK_SIZE;
const int idx1 = (start_idx + i + 1) % REF_MV_BANK_SIZE;
queue[idx0] = queue[idx1];
if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) {
rmb_ref_frame[idx0] = rmb_ref_frame[idx1];
}
}
const int tail = (start_idx + count - 1) % REF_MV_BANK_SIZE;
queue[tail] = cand;
if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) {
rmb_ref_frame[tail] = ref_frame;
}
return;
}
// If current MV is not found in the buffer, append it to the end of the
// buffer, and update the count and start_idx accordingly.
const int idx = (start_idx + count) % REF_MV_BANK_SIZE;
queue[idx].this_mv = mbmi->mv[0];
if (is_comp) queue[idx].comp_mv = mbmi->mv[1];
if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) {
rmb_ref_frame[idx] = ref_frame;
}
queue[idx].cwp_idx = mbmi->cwp_idx;
if (count < REF_MV_BANK_SIZE) {
++ref_mv_bank->rmb_count[rmb_list_index];
} else {
++ref_mv_bank->rmb_start_idx[rmb_list_index];
}
}
void av1_update_ref_mv_bank(const AV1_COMMON *const cm, MACROBLOCKD *const xd,
int from_within_sb,
const MB_MODE_INFO *const mbmi) {
update_ref_mv_bank(cm, xd, from_within_sb, mbmi, &xd->ref_mv_bank);
(void)cm;
}
void assign_warpmv(const AV1_COMMON *cm, SUBMB_INFO **submi, BLOCK_SIZE bsize,
WarpedMotionParams *wm_params, int mi_row, int mi_col
#if CONFIG_COMPOUND_WARP_CAUSAL
,
int ref
#endif // CONFIG_COMPOUND_WARP_CAUSAL
) {
assert(wm_params->invalid == 0);
const int bw = mi_size_wide[bsize];
const int bh = mi_size_high[bsize];
const int p_x_mis = AOMMIN(bw, cm->mi_params.mi_cols - mi_col) * MI_SIZE;
const int p_y_mis = AOMMIN(bh, cm->mi_params.mi_rows - mi_row) * MI_SIZE;
const int p_row = mi_row * MI_SIZE;
const int p_col = mi_col * MI_SIZE;
const int mi_stride = cm->mi_params.mi_stride;
for (int i = p_row; i < p_row + p_y_mis; i += 8) {
for (int j = p_col; j < p_col + p_x_mis; j += 8) {
const int32_t src_x = j + 4;
const int32_t src_y = i + 4;
const int32_t submv_x_hp = get_subblk_offset_x_hp(
wm_params->wmmat, src_x, src_y, 1 << WARPEDMODEL_PREC_BITS);
const int32_t submv_y_hp = get_subblk_offset_y_hp(
wm_params->wmmat, src_x, src_y, 1 << WARPEDMODEL_PREC_BITS);
int mi_y = (i - p_row) / MI_SIZE;
int mi_x = (j - p_col) / MI_SIZE;
const int mv_row =
ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3);
const int mv_col =
ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3);
#if CONFIG_COMPOUND_WARP_CAUSAL
submi[mi_y * mi_stride + mi_x]->mv[ref].as_mv.row =
#else
submi[mi_y * mi_stride + mi_x]->mv[0].as_mv.row =
#endif // CONFIG_COMPOUND_WARP_CAUSAL
clamp(mv_row, MV_LOW + 1, MV_UPP - 1);
#if CONFIG_COMPOUND_WARP_CAUSAL
submi[mi_y * mi_stride + mi_x]->mv[ref].as_mv.col =
#else
submi[mi_y * mi_stride + mi_x]->mv[0].as_mv.col =
#endif // CONFIG_COMPOUND_WARP_CAUSAL
clamp(mv_col, MV_LOW + 1, MV_UPP - 1);
span_submv(cm, (submi + mi_y * mi_stride + mi_x), mi_row + mi_y,
mi_col + mi_x, BLOCK_8X8
#if CONFIG_COMPOUND_WARP_CAUSAL
,
ref
#endif // CONFIG_COMPOUND_WARP_CAUSAL
);
}
}
}
void span_submv(const AV1_COMMON *cm, SUBMB_INFO **submi, int mi_row,
int mi_col, BLOCK_SIZE bsize
#if CONFIG_COMPOUND_WARP_CAUSAL
,
int ref
#endif // CONFIG_COMPOUND_WARP_CAUSAL
) {
const int bw = mi_size_wide[bsize];
const int bh = mi_size_high[bsize];
const int x_inside_boundary = AOMMIN(bw, cm->mi_params.mi_cols - mi_col);
const int y_inside_boundary = AOMMIN(bh, cm->mi_params.mi_rows - mi_row);
const int stride = cm->mi_params.mi_stride;
for (int y = 0; y < y_inside_boundary; y++) {
for (int x = 0; x < x_inside_boundary; x++) {
if (x == 0 && y == 0) continue;
#if CONFIG_COMPOUND_WARP_CAUSAL
submi[y * stride + x]->mv[ref] = submi[0]->mv[ref];
#else
submi[y * stride + x]->mv[0] = submi[0]->mv[0];
submi[y * stride + x]->mv[1] = submi[0]->mv[1];
#endif // CONFIG_COMPOUND_WARP_CAUSAL
}
}
}
#define MAX_WARP_SB_HITS 64
// Update the warp parameter bank
// If the warp parameters are already exist in the bank, then bank is
// rearranged If the warp parameters are not in the bank, insert it to the
// bank.
static INLINE void update_warp_param_bank(const MB_MODE_INFO *const mbmi,
#if CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
int cand_from_sb_above,
#endif // CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
WARP_PARAM_BANK *warp_param_bank) {
#if CONFIG_COMPOUND_WARP_CAUSAL
#if COMPOUND_WARP_LINE_BUFFER_REDUCTION
const int can_use_second_model =
is_inter_compound_mode(mbmi->mode) && !cand_from_sb_above;
#else
const int can_use_second_model = is_inter_compound_mode(mbmi->mode);
#endif // COMPOUND_WARP_LINE_BUFFER_REDUCTION
for (int ref_idx = 0; ref_idx < 1 + can_use_second_model; ref_idx++) {
if (!mbmi->wm_params[ref_idx].invalid) {
const MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame[ref_idx];
#else
if (mbmi->wm_params[0].invalid) return;
const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame);
#endif // CONFIG_COMPOUND_WARP_CAUSAL
WarpedMotionParams *queue = warp_param_bank->wpb_buffer[ref_frame];
const int start_idx = warp_param_bank->wpb_start_idx[ref_frame];
const int count = warp_param_bank->wpb_count[ref_frame];
int found = -1;
// If max hits have been reached return.
if (warp_param_bank->wpb_sb_hits >= MAX_WARP_SB_HITS) return;
// else increment count and proceed with updating.
++warp_param_bank->wpb_sb_hits;
// Check if current warp parameters is already existing in the buffer.
for (int i = 0; i < count; ++i) {
const int idx = (start_idx + i) % WARP_PARAM_BANK_SIZE;
#if CONFIG_COMPOUND_WARP_CAUSAL
int same_param =
(mbmi->wm_params[ref_idx].wmmat[2] == queue[idx].wmmat[2]);
same_param &=
(mbmi->wm_params[ref_idx].wmmat[3] == queue[idx].wmmat[3]);
same_param &=
(mbmi->wm_params[ref_idx].wmmat[4] == queue[idx].wmmat[4]);
same_param &=
(mbmi->wm_params[ref_idx].wmmat[5] == queue[idx].wmmat[5]);
same_param &= (mbmi->wm_params[ref_idx].wmtype == queue[idx].wmtype);
#else
int same_param = (mbmi->wm_params[0].wmmat[2] == queue[idx].wmmat[2]);
same_param &= (mbmi->wm_params[0].wmmat[3] == queue[idx].wmmat[3]);
same_param &= (mbmi->wm_params[0].wmmat[4] == queue[idx].wmmat[4]);
same_param &= (mbmi->wm_params[0].wmmat[5] == queue[idx].wmmat[5]);
same_param &= (mbmi->wm_params[0].wmtype == queue[idx].wmtype);
#endif // CONFIG_COMPOUND_WARP_CAUSAL
if (same_param) {
found = i;
break;
}
}
// If current warp parameters is found in the buffer, move it to the end
// of the buffer.
if (found >= 0) {
const int idx = (start_idx + found) % WARP_PARAM_BANK_SIZE;
const WarpedMotionParams cand = queue[idx];
for (int i = found; i < count - 1; ++i) {
const int idx0 = (start_idx + i) % WARP_PARAM_BANK_SIZE;
const int idx1 = (start_idx + i + 1) % WARP_PARAM_BANK_SIZE;
queue[idx0] = queue[idx1];
}
const int tail = (start_idx + count - 1) % WARP_PARAM_BANK_SIZE;
queue[tail] = cand;
return;
}
// If current warp parameter is not found in the buffer, append it to the
// end of the buffer, and update the count and start_idx accordingly.
const int idx = (start_idx + count) % WARP_PARAM_BANK_SIZE;
#if CONFIG_COMPOUND_WARP_CAUSAL
queue[idx].wmtype = mbmi->wm_params[ref_idx].wmtype;
queue[idx].wmmat[0] = mbmi->wm_params[ref_idx].wmmat[0];
queue[idx].wmmat[1] = mbmi->wm_params[ref_idx].wmmat[1];
queue[idx].wmmat[2] = mbmi->wm_params[ref_idx].wmmat[2];
queue[idx].wmmat[3] = mbmi->wm_params[ref_idx].wmmat[3];
queue[idx].wmmat[4] = mbmi->wm_params[ref_idx].wmmat[4];
queue[idx].wmmat[5] = mbmi->wm_params[ref_idx].wmmat[5];
#else
queue[idx].wmtype = mbmi->wm_params[0].wmtype;
queue[idx].wmmat[0] = mbmi->wm_params[0].wmmat[0];
queue[idx].wmmat[1] = mbmi->wm_params[0].wmmat[1];
queue[idx].wmmat[2] = mbmi->wm_params[0].wmmat[2];
queue[idx].wmmat[3] = mbmi->wm_params[0].wmmat[3];
queue[idx].wmmat[4] = mbmi->wm_params[0].wmmat[4];
queue[idx].wmmat[5] = mbmi->wm_params[0].wmmat[5];
#endif // CONFIG_COMPOUND_WARP_CAUSAL
if (count < WARP_PARAM_BANK_SIZE) {
++warp_param_bank->wpb_count[ref_frame];
} else {
++warp_param_bank->wpb_start_idx[ref_frame];
}
#if CONFIG_COMPOUND_WARP_CAUSAL
}
}
#endif // CONFIG_COMPOUND_WARP_CAUSAL
}
void av1_update_warp_param_bank(const AV1_COMMON *const cm,
MACROBLOCKD *const xd,
#if CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
int cand_from_sb_above,
#endif // CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
const MB_MODE_INFO *const mbmi) {
(void)cm;
if (is_warp_mode(mbmi->motion_mode)) {
update_warp_param_bank(mbmi,
#if CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
cand_from_sb_above,
#endif // CONFIG_COMPOUND_WARP_CAUSAL && COMPOUND_WARP_LINE_BUFFER_REDUCTION
&xd->warp_param_bank);
}
}
// The wrl_list is the warp reference list which is already generated in the
// av1_find_mv_refs
// If the mode is not equal to the GLOBALMV mode, wrl_list is copied to the
// warp_param_stack
void av1_find_warp_delta_base_candidates(
const MACROBLOCKD *xd, const MB_MODE_INFO *mbmi,
WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES],
WARP_CANDIDATE wrl_list[MAX_WARP_REF_CANDIDATES], uint8_t num_wrl_cand,
uint8_t *p_valid_num_candidates) {
// Global MV mode insert the global motion
if (mbmi->mode == GLOBALMV) {
warp_param_stack[0].wm_params = xd->global_motion[mbmi->ref_frame[0]];
warp_param_stack[0].proj_type = PROJ_GLOBAL_MOTION;
if (p_valid_num_candidates) {
*p_valid_num_candidates = 1;
}
return;
}
// Copy the entire wrl_list where all candidates have been properly defined.
// Note that the first num_wrl_cand have been filled, and the rest have been
// initialized as default_warp_params.
memcpy(&warp_param_stack[0], &wrl_list[0],
MAX_WARP_REF_CANDIDATES * sizeof(wrl_list[0]));
if (p_valid_num_candidates) {
// for NEARMV mode, the maximum number of candidates is 1
*p_valid_num_candidates = (mbmi->mode == NEARMV) ? 1 : num_wrl_cand;
}
}
// check if the the derive MV is inside of frame boundary
// return false if the MV is outside of the frame boundary
bool is_warp_candidate_inside_of_frame(const AV1_COMMON *cm,
const MACROBLOCKD *xd, int_mv cand_mv) {
// Check if the MV candidate is pointing to ref block inside frame boundary.
const int block_width = xd->width * MI_SIZE;
const int block_height = xd->height * MI_SIZE;
int frame_width = cm->width;
int frame_height = cm->height;
const int mv_row = (cand_mv.as_mv.row) / 8;
const int mv_col = (cand_mv.as_mv.col) / 8;
const int ref_x = xd->mi_col * MI_SIZE + mv_col;
const int ref_y = xd->mi_row * MI_SIZE + mv_row;
if (ref_x <= -block_width || ref_y <= -block_height || ref_x >= frame_width ||
ref_y >= frame_height) {
return false;
}
return true;
}
static int is_same_ref_frame(const MB_MODE_INFO *neighbor_mi,
const MB_MODE_INFO *mbmi) {
return (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) ||
(is_inter_ref_frame(neighbor_mi->ref_frame[1]) &&
neighbor_mi->ref_frame[1] == mbmi->ref_frame[0]);
}
#if CONFIG_WARP_CAUSAL_PARSING_DEPENDENCY_REDUCTION
static int is_same_ref_frame_for_this_ref_frame(
const MB_MODE_INFO *neighbor_mi, const MV_REFERENCE_FRAME ref_frame) {
return (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == ref_frame) ||
(is_inter_ref_frame(neighbor_mi->ref_frame[1]) &&
neighbor_mi->ref_frame[1] == ref_frame);
}
#endif // CONFIG_WARP_CAUSAL_PARSING_DEPENDENCY_REDUCTION
int allow_extend_nb(const AV1_COMMON *cm, const MACROBLOCKD *xd,
const MB_MODE_INFO *mbmi, int *p_num_of_warp_neighbors) {
const TileInfo *const tile = &xd->tile;
#if !CONFIG_WARP_EXTEND_SIMPLIFICATION
const int has_bl =
has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height);
#endif // !CONFIG_WARP_EXTEND_SIMPLIFICATION
POSITION mi_pos;
int allow_new_ext = 0;
int allow_near_ext = 0;
MVP_UNIT_STATUS row_smvp_state[4] = { 0 };
get_row_smvp_states(cm, xd, row_smvp_state);
// counter to count number of warp neighbors
int num_of_warp_neighbors = 0;
// left
mi_pos.row = xd->height - 1;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
// up
mi_pos.row = row_smvp_state[0].row_offset;
mi_pos.col = row_smvp_state[0].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[0].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
// left
mi_pos.row = 0;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
// up
mi_pos.row = row_smvp_state[1].row_offset;
mi_pos.col = row_smvp_state[1].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[1].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
#if !CONFIG_WARP_EXTEND_SIMPLIFICATION
mi_pos.row = xd->height;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && has_bl) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
mi_pos.row = row_smvp_state[2].row_offset;
mi_pos.col = row_smvp_state[2].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[2].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
mi_pos.row = row_smvp_state[3].row_offset;
mi_pos.col = row_smvp_state[3].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[3].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
allow_new_ext |= 1;
allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode);
if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode))
num_of_warp_neighbors++;
}
}
#endif // !CONFIG_WARP_EXTEND_SIMPLIFICATION
if (p_num_of_warp_neighbors) {
*p_num_of_warp_neighbors = num_of_warp_neighbors;
return num_of_warp_neighbors;
}
if (mbmi->mode == NEWMV || mbmi->mode == WARP_NEWMV) {
return allow_new_ext;
} else if (mbmi->mode == NEARMV) {
return allow_near_ext;
} else {
return 0;
}
}
#if CONFIG_WARP_CAUSAL_PARSING_DEPENDENCY_REDUCTION
uint8_t av1_is_warp_causal_allowed(const AV1_COMMON *cm, const MACROBLOCKD *xd,
const MV_REFERENCE_FRAME ref_frame) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
MVP_UNIT_STATUS row_smvp_state[4] = { 0 };
get_row_smvp_states(cm, xd, row_smvp_state);
// left
mi_pos.row = xd->height - 1;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame_for_this_ref_frame(neighbor_mi, ref_frame)) {
return 1;
}
}
// up
mi_pos.row = row_smvp_state[0].row_offset;
mi_pos.col = row_smvp_state[0].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[0].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame_for_this_ref_frame(neighbor_mi, ref_frame)) {
return 1;
}
}
// left
mi_pos.row = 0;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame_for_this_ref_frame(neighbor_mi, ref_frame)) {
return 1;
}
}
// up
mi_pos.row = row_smvp_state[1].row_offset;
mi_pos.col = row_smvp_state[1].col_offset;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
row_smvp_state[1].is_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame_for_this_ref_frame(neighbor_mi, ref_frame)) {
return 1;
}
}
return 0;
}
#endif // CONFIG_WARP_CAUSAL_PARSING_DEPENDENCY_REDUCTION
static AOM_INLINE POSITION get_pos_from_pos_idx(const AV1_COMMON *cm,
const MACROBLOCKD *xd,
int pos_idx) {
MVP_UNIT_STATUS row_smvp_state[4] = { 0 };
if (pos_idx == 2 || pos_idx == 4 || pos_idx == 6 || pos_idx == 7) {
get_row_smvp_states(cm, xd, row_smvp_state);
}
POSITION ret_pos = { 0, 0 };
// 1/3/5 are left neighbors, 2/4/6/7 are above neighbors
if (pos_idx == 5) {
ret_pos.row = xd->height;
ret_pos.col = -1;
} else if (pos_idx == 1) {
ret_pos.row = (xd->height - 1);
ret_pos.col = -1;
} else if (pos_idx == 3) {
ret_pos.row = 0;
ret_pos.col = -1;
} else if (pos_idx == 7) {
if (row_smvp_state[3].is_available) {
ret_pos.row = -1;
ret_pos.col = row_smvp_state[3].col_offset;
}
} else if (pos_idx == 4) {
if (row_smvp_state[1].is_available) {
ret_pos.row = -1;
ret_pos.col = row_smvp_state[1].col_offset;
}
} else if (pos_idx == 2) {
if (row_smvp_state[0].is_available) {
ret_pos.row = -1;
ret_pos.col = row_smvp_state[0].col_offset;
}
} else if (pos_idx == 6) {
if (row_smvp_state[2].is_available) {
ret_pos.row = -1;
ret_pos.col = row_smvp_state[2].col_offset;
}
} else {
assert(0);
}
return ret_pos;
}
static AOM_INLINE int get_cand_from_pos_idx(const AV1_COMMON *cm,
const MACROBLOCKD *xd,
int pos_idx) {
MVP_UNIT_STATUS row_smvp_state[4] = { 0 };
if (pos_idx == 2 || pos_idx == 4 || pos_idx == 6 || pos_idx == 7) {
get_row_smvp_states(cm, xd, row_smvp_state);
}
const int has_bl =
has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height);
int ret_cand = 0;
// 1/3/5 are left neighbors, 2/4/6/7 are above neighbors
if (pos_idx == 5) {
ret_cand = has_bl;
} else if (pos_idx == 1) {
ret_cand = xd->left_available;
} else if (pos_idx == 3) {
ret_cand = xd->left_available;
} else if (pos_idx == 7) {
ret_cand = row_smvp_state[3].is_available;
} else if (pos_idx == 4) {
ret_cand = row_smvp_state[1].is_available;
} else if (pos_idx == 2) {
ret_cand = row_smvp_state[0].is_available;
} else if (pos_idx == 6) {
ret_cand = row_smvp_state[2].is_available;
} else {
assert(0);
}
return ret_cand;
}
static AOM_INLINE int check_pos_and_get_base_pos(const AV1_COMMON *cm,
const MACROBLOCKD *xd,
const MB_MODE_INFO *mbmi,
POSITION *base_pos,
int pos_idx) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos = get_pos_from_pos_idx(cm, xd, pos_idx);
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) &&
get_cand_from_pos_idx(cm, xd, pos_idx)) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_same_ref_frame(neighbor_mi, mbmi)) {
if ((is_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) ||
mbmi->mode == WARP_NEWMV || mbmi->mode == NEWMV) {
base_pos->row = mi_pos.row;
base_pos->col = mi_pos.col;
return 1;
}
}
}
return 0;
}
int get_extend_base_pos(const AV1_COMMON *cm, const MACROBLOCKD *xd,
const MB_MODE_INFO *mbmi, int mvp_row_offset,
int mvp_col_offset, POSITION *base_pos) {
if (mvp_col_offset == -1 || mvp_row_offset == -1) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mvp_row_offset * xd->mi_stride + mvp_col_offset];
if (!is_tip_ref_frame(neighbor_mi->ref_frame[0])) {
if ((is_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) ||
mbmi->mode == WARP_NEWMV || mbmi->mode == NEWMV) {
base_pos->row = mvp_row_offset;
base_pos->col = mvp_col_offset;
return 1;
}
}
}
#if CONFIG_WARP_EXTEND_SIMPLIFICATION
for (int pos_idx = 1; pos_idx <= 4; pos_idx++) {
#else
for (int pos_idx = 1; pos_idx <= 7; pos_idx++) {
#endif // CONFIG_WARP_EXTEND_SIMPLIFICATION
if (check_pos_and_get_base_pos(cm, xd, mbmi, base_pos, pos_idx)) return 1;
}
return 0;
}
int16_t inter_warpmv_mode_ctx(const AV1_COMMON *cm, const MACROBLOCKD *xd,
const MB_MODE_INFO *mbmi) {
int num_of_warp_neighbors = 0;
int ctx = allow_extend_nb(cm, xd, mbmi, &num_of_warp_neighbors);
assert(num_of_warp_neighbors == ctx);
assert(ctx < WARPMV_MODE_CONTEXT);
return ctx;
}