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aomedia / avm / 29aa9facb5ae0ed12f2bf0cd7ff5a8693cbbde25 / . / av1 / common / mvref_common.c
blob: 435192c178d7cc056e2995fc46dad286ac9995d8 [file] [log] [blame]
/*
* 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/tip.h"
#include "av1/common/warped_motion.h"
#if CONFIG_MVP_IMPROVEMENT
typedef struct single_mv_candidate {
int_mv mv;
MV_REFERENCE_FRAME ref_frame;
} SINGLE_MV_CANDIDATE;
#endif // CONFIG_MVP_IMPROVEMENT
#define MFMV_STACK_SIZE 3
#if CONFIG_REFINED_MVS_IN_TMVP
#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]];
int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y
#if CONFIG_OPTFLOW_ON_TIP
,
1
#endif // CONFIG_OPTFLOW_ON_TIP
);
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_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (!is_inter_ref_frame(ref_frame) || is_tip_ref_frame(ref_frame))
continue;
int_mv refined_mv;
#if CONFIG_AFFINE_REFINEMENT
if (mi->comp_refine_type >= COMP_AFFINE_REFINE_START
#if CONFIG_REFINEMV
&& !mi->refinemv_flag
#endif // CONFIG_REFINEMV
) {
// Apply offsets based on the affine parameters
const int32_t src_x = mi_col * MI_SIZE + w * 8 + 4;
const int32_t src_y = mi_row * MI_SIZE + h * 8 + 4;
const int32_t dst_x = mi->wm_params[idx].wmmat[2] * src_x +
mi->wm_params[idx].wmmat[3] * src_y +
mi->wm_params[idx].wmmat[0];
const int32_t dst_y = mi->wm_params[idx].wmmat[4] * src_x +
mi->wm_params[idx].wmmat[5] * src_y +
mi->wm_params[idx].wmmat[1];
const int32_t submv_x_hp = dst_x - (src_x << WARPEDMODEL_PREC_BITS);
const int32_t submv_y_hp = dst_y - (src_y << WARPEDMODEL_PREC_BITS);
const int mv_offset_y =
ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3);
const int mv_offset_x =
ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3);
refined_mv.as_mv.row = mv_offset_y;
refined_mv.as_mv.col = mv_offset_x;
} else {
#endif // CONFIG_AFFINE_REFINEMENT
#if CONFIG_REFINEMV
// 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 (mi->refinemv_flag)
refined_mv.as_mv =
xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)]
.refinemv[idx]
.as_mv;
else
#endif // CONFIG_REFINEMV
refined_mv.as_mv = mi->mv[idx].as_mv;
#if CONFIG_AFFINE_REFINEMENT
}
#endif // CONFIG_AFFINE_REFINEMENT
if (opfl_allowed_for_cur_block(cm, mi)) {
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(
xd->mv_delta[0].mv[idx].as_mv.row +
xd->mv_delta[1].mv[idx].as_mv.row +
xd->mv_delta[2].mv[idx].as_mv.row +
xd->mv_delta[3].mv[idx].as_mv.row,
2 + MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[0].mv[idx].as_mv.col +
xd->mv_delta[1].mv[idx].as_mv.col +
xd->mv_delta[2].mv[idx].as_mv.col +
xd->mv_delta[3].mv[idx].as_mv.col,
2 + MV_REFINE_PREC_BITS - 3);
} else {
int sbmv_stride = bw >> 3;
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[h * sbmv_stride + w].mv[idx].as_mv.row,
MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[h * sbmv_stride + w].mv[idx].as_mv.col,
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;
}
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
#endif // CONFIG_REFINED_MVS_IN_TMVP
// 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 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 TPL_MV_REF *tpl_mvs = cm->tpl_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);
for (int h = 0; h < y_inside_boundary; h++) {
MV_REF *mv = frame_mvs;
const TPL_MV_REF *tpl_mv = tpl_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;
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame) && !is_tip_ref_frame(ref_frame)) {
if ((abs(mi->mv[idx].as_mv.row) > REFMVS_LIMIT) ||
(abs(mi->mv[idx].as_mv.col) > REFMVS_LIMIT))
continue;
mv->ref_frame[idx] = ref_frame;
mv->mv[idx].as_int = mi->mv[idx].as_int;
} else if (is_tip_ref_frame(ref_frame)) {
if ((abs(mi->mv[idx].as_mv.row) > REFMVS_LIMIT) ||
(abs(mi->mv[idx].as_mv.col) > REFMVS_LIMIT))
continue;
int_mv this_mv[2] = { { 0 } };
const MV *blk_mv = &mi->mv[idx].as_mv;
const FULLPEL_MV blk_fullmv =
clamp_tip_fullmv(cm, blk_mv, cur_tpl_row + h, cur_tpl_col + w);
const int blk_to_tip_frame_offset =
(blk_fullmv.row >> TMVP_MI_SZ_LOG2) * frame_mvs_stride +
(blk_fullmv.col >> TMVP_MI_SZ_LOG2);
const TPL_MV_REF *tip_tpl_mv = tpl_mv + blk_to_tip_frame_offset;
if (tip_tpl_mv->mfmv0.as_int == 0) {
mv->ref_frame[0] = tip_ref->ref_frame[0];
mv->ref_frame[1] = tip_ref->ref_frame[1];
mv->mv[0].as_int = mi->mv[idx].as_int;
mv->mv[1].as_int = mi->mv[idx].as_int;
} else if (tip_tpl_mv->mfmv0.as_int != INVALID_MV) {
tip_get_mv_projection(&this_mv[0].as_mv, tip_tpl_mv->mfmv0.as_mv,
tip_ref->ref_frames_offset_sf[0]);
tip_get_mv_projection(&this_mv[1].as_mv, tip_tpl_mv->mfmv0.as_mv,
tip_ref->ref_frames_offset_sf[1]);
this_mv[0].as_mv.row += blk_mv->row;
this_mv[0].as_mv.col += blk_mv->col;
this_mv[1].as_mv.row += blk_mv->row;
this_mv[1].as_mv.col += blk_mv->col;
mv->ref_frame[0] = tip_ref->ref_frame[0];
mv->ref_frame[1] = tip_ref->ref_frame[1];
mv->mv[0].as_int = this_mv[0].as_int;
mv->mv[1].as_int = this_mv[1].as_int;
} else {
mv->ref_frame[0] = NONE_FRAME;
mv->ref_frame[1] = NONE_FRAME;
mv->mv[0].as_int = 0;
mv->mv[1].as_int = 0;
}
break;
}
}
mv++;
tpl_mv++;
}
frame_mvs += frame_mvs_stride;
tpl_mvs += frame_mvs_stride;
}
}
#if CONFIG_REFINED_MVS_IN_TMVP
// 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]];
int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y
#if CONFIG_OPTFLOW_ON_TIP
,
1
#endif // CONFIG_OPTFLOW_ON_TIP
);
int w, h;
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) {
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
int8_t ref_idx = cm->ref_frame_side[ref_frame];
if (ref_idx) continue;
int_mv refined_mv;
#if CONFIG_AFFINE_REFINEMENT
if (mi->comp_refine_type >= COMP_AFFINE_REFINE_START
#if CONFIG_REFINEMV
&& !mi->refinemv_flag
#endif // CONFIG_REFINEMV
) {
// Apply offsets based on the affine parameters
const int32_t src_x = mi_col * MI_SIZE + w * 8 + 4;
const int32_t src_y = mi_row * MI_SIZE + h * 8 + 4;
const int32_t dst_x = mi->wm_params[idx].wmmat[2] * src_x +
mi->wm_params[idx].wmmat[3] * src_y +
mi->wm_params[idx].wmmat[0];
const int32_t dst_y = mi->wm_params[idx].wmmat[4] * src_x +
mi->wm_params[idx].wmmat[5] * src_y +
mi->wm_params[idx].wmmat[1];
const int32_t submv_x_hp = dst_x - (src_x << WARPEDMODEL_PREC_BITS);
const int32_t submv_y_hp = dst_y - (src_y << WARPEDMODEL_PREC_BITS);
const int mv_offset_y = ROUND_POWER_OF_TWO_SIGNED(
submv_y_hp, WARPEDMODEL_PREC_BITS - 3);
const int mv_offset_x = ROUND_POWER_OF_TWO_SIGNED(
submv_x_hp, WARPEDMODEL_PREC_BITS - 3);
refined_mv.as_mv.row = mv_offset_y;
refined_mv.as_mv.col = mv_offset_x;
} else {
#endif // CONFIG_AFFINE_REFINEMENT
#if CONFIG_REFINEMV
// 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 (mi->refinemv_flag)
refined_mv.as_mv =
xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)]
.refinemv[idx]
.as_mv;
else
#endif // CONFIG_REFINEMV
refined_mv.as_mv = mi->mv[idx].as_mv;
#if CONFIG_AFFINE_REFINEMENT
}
#endif // CONFIG_AFFINE_REFINEMENT
if (opfl_allowed_for_cur_block(cm, mi)) {
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(
xd->mv_delta[0].mv[idx].as_mv.row +
xd->mv_delta[1].mv[idx].as_mv.row +
xd->mv_delta[2].mv[idx].as_mv.row +
xd->mv_delta[3].mv[idx].as_mv.row,
2 + MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[0].mv[idx].as_mv.col +
xd->mv_delta[1].mv[idx].as_mv.col +
xd->mv_delta[2].mv[idx].as_mv.col +
xd->mv_delta[3].mv[idx].as_mv.col,
2 + MV_REFINE_PREC_BITS - 3);
} else {
int sbmv_stride = bw >> 3;
refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[h * sbmv_stride + w].mv[idx].as_mv.row,
MV_REFINE_PREC_BITS - 3);
refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED(
xd->mv_delta[h * sbmv_stride + w].mv[idx].as_mv.col,
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;
}
}
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
#endif // CONFIG_REFINED_MVS_IN_TMVP
// Copy the MVs into the TMVP list
void av1_copy_frame_mvs(const AV1_COMMON *const cm,
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, 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;
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 CONFIG_MVP_IMPROVEMENT
if (is_inter_ref_frame(mi->ref_frame[0]) &&
mi->ref_frame[1] == NONE_FRAME) {
if ((abs(mi->mv[0].as_mv.row) <= REFMVS_LIMIT) &&
(abs(mi->mv[0].as_mv.col) <= REFMVS_LIMIT)) {
mv->ref_frame[0] = mi->ref_frame[0];
mv->mv[0].as_int = mi->mv[0].as_int;
}
} else {
#endif // CONFIG_MVP_IMPROVEMENT
for (int idx = 0; idx < 2; ++idx) {
MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
int8_t ref_idx = cm->ref_frame_side[ref_frame];
if (ref_idx) continue;
if ((abs(mi->mv[idx].as_mv.row) > REFMVS_LIMIT) ||
(abs(mi->mv[idx].as_mv.col) > REFMVS_LIMIT))
continue;
mv->ref_frame[0] = ref_frame;
mv->mv[0].as_int = mi->mv[idx].as_int;
}
}
#if CONFIG_MVP_IMPROVEMENT
}
#endif // CONFIG_MVP_IMPROVEMENT
mv++;
}
frame_mvs += frame_mvs_stride;
}
}
#if CONFIG_MVP_IMPROVEMENT
// 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_ENHANCEMENT
const MB_MODE_INFO *mbmi, MV_REFERENCE_FRAME *ref_frame_idx0,
MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
const int max_ref_mv_count) {
int index = 0;
int derived_idx = 0;
#if CONFIG_D072_SKIP_MODE_IMPROVE
if (mbmi->skip_mode) return;
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
if (rf[1] == NONE_FRAME) {
#if CONFIG_SKIP_MODE_ENHANCEMENT
assert(!mbmi->skip_mode);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) {
for (index = 0; index < *refmv_count; ++index) {
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx;
ref_mv_weight[index] = REF_CAT_LEVEL;
++(*refmv_count);
}
}
} else {
for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) {
for (index = 0; index < *refmv_count; ++index) {
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_ENHANCEMENT
if (!mbmi->skip_mode || (ref_frame_idx0[index] == rf[0] &&
ref_frame_idx1[index] == rf[1]))
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx;
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (mbmi->skip_mode) {
ref_frame_idx0[index] = rf[0];
ref_frame_idx1[index] = rf[1];
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
ref_mv_weight[index] = REF_CAT_LEVEL;
++(*refmv_count);
}
}
}
}
#endif // CONFIG_MVP_IMPROVEMENT
static AOM_INLINE void derive_ref_mv_candidate_from_tip_mode(
const AV1_COMMON *cm, int mi_row, int mi_col, 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) {
int index = 0;
const int frame_mvs_stride =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const int cand_tpl_row = (mi_row_cand >> TMVP_SHIFT_BITS);
const int cand_tpl_col = (mi_col_cand >> TMVP_SHIFT_BITS);
#if CONFIG_C071_SUBBLK_WARPMV
int_mv cand_mv = candidate->mv[0];
#else
int_mv cand_mv = get_block_mv(candidate, 0);
#endif // CONFIG_C071_SUBBLK_WARPMV
const FULLPEL_MV fullmv =
clamp_tip_fullmv(cm, &cand_mv.as_mv, cand_tpl_row, cand_tpl_col);
const int ref_blk_row = (fullmv.row >> TMVP_MI_SZ_LOG2) + cand_tpl_row;
const int ref_blk_col = (fullmv.col >> TMVP_MI_SZ_LOG2) + cand_tpl_col;
const int offset = ref_blk_row * frame_mvs_stride + ref_blk_col;
const TPL_MV_REF *tpl_mvs = cm->tpl_mvs + offset;
if (tpl_mvs->mfmv0.as_int == INVALID_MV) {
return;
}
const int_mv mf_mv = tpl_mvs->mfmv0;
int_mv this_mv[2];
tip_get_mv_projection(&this_mv[0].as_mv, mf_mv.as_mv,
cm->tip_ref.ref_frames_offset_sf[0]);
tip_get_mv_projection(&this_mv[1].as_mv, mf_mv.as_mv,
cm->tip_ref.ref_frames_offset_sf[1]);
int_mv ref_mv[2];
ref_mv[0].as_mv.row = cand_mv.as_mv.row + this_mv[0].as_mv.row;
ref_mv[0].as_mv.col = cand_mv.as_mv.col + this_mv[0].as_mv.col;
ref_mv[1].as_mv.row = cand_mv.as_mv.row + this_mv[1].as_mv.row;
ref_mv[1].as_mv.col = cand_mv.as_mv.col + this_mv[1].as_mv.col;
clamp_tip_smvp_refmv(cm, &ref_mv[0].as_mv, mi_row, mi_col);
clamp_tip_smvp_refmv(cm, &ref_mv[1].as_mv, mi_row, mi_col);
for (index = 0; index < *refmv_count; ++index) {
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
}
#if CONFIG_C076_INTER_MOD_CTX
// 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
for (int ref = 0; ref < 2; ++ref) {
if (candidate->ref_frame[ref] == rf[0]) {
if (have_newmv_in_inter_mode(candidate->mode)) ++*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;
}
}
}
}
#endif // CONFIG_C076_INTER_MOD_CTX
static AOM_INLINE void add_ref_mv_candidate(
#if !CONFIG_MVP_IMPROVEMENT
const AV1_COMMON *cm,
#endif // !CONFIG_MVP_IMPROVEMENT
int mi_row, int mi_col, int mi_row_cand, int mi_col_cand,
const MB_MODE_INFO *const candidate,
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
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_ENHANCEMENT
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_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
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,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_IBC_SR_EXT
uint8_t is_intrabc,
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_EXTENDED_WARP_PREDICTION
int row_offset, int col_offset,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
uint16_t weight, const MvSubpelPrecision precision) {
#if CONFIG_C071_SUBBLK_WARPMV
(void)precision;
#endif // CONFIG_C071_SUBBLK_WARPMV
if (!is_inter_block(candidate, SHARED_PART)) return;
#if CONFIG_IBC_SR_EXT
if (is_intrabc != is_intrabc_block(candidate, SHARED_PART)) return;
#endif // CONFIG_IBC_SR_EXT
assert(weight % 2 == 0);
int index, ref;
const TIP *tip_ref = &cm->tip_ref;
#if CONFIG_SKIP_MODE_ENHANCEMENT
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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
ref);
}
for (index = 0; index < *refmv_count; ++index) {
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_D072_SKIP_MODE_IMPROVE
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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
0);
}
for (index = 0; index < *refmv_count; ++index) {
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);
}
}
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
return;
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
if (rf[1] == NONE_FRAME) {
#if CONFIG_SKIP_MODE_ENHANCEMENT
assert(!mbmi->skip_mode);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
// 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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
ref);
}
for (index = 0; index < *refmv_count; ++index) {
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].row_offset = row_offset;
ref_mv_stack[index].col_offset = col_offset;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
ref_mv_weight[index] = weight;
++(*refmv_count);
}
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
}
#if CONFIG_MVP_IMPROVEMENT
else if (add_more_mvs && is_inter_ref_frame(candidate->ref_frame[ref]) &&
#if CONFIG_IBC_SR_EXT
rf[0] != INTRA_FRAME &&
#endif // CONFIG_IBC_SR_EXT
!is_tip_ref_frame(rf[0]) &&
!is_tip_ref_frame(candidate->ref_frame[ref]) &&
cm->seq_params.order_hint_info.enable_order_hint) {
const int cur_blk_ref_side = cm->ref_frame_side[rf[0]];
const int cand_blk_ref_side =
cm->ref_frame_side[candidate->ref_frame[ref]];
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[candidate->ref_frame[ref]];
const int is_gm_block = is_global_mv_block(
candidate, gm_params[candidate->ref_frame[ref]].wmtype);
const int_mv cand_refmv = is_gm_block ? gm_mv_candidates[0]
: get_block_mv(candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
ref);
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_C071_SUBBLK_WARPMV
lower_mv_precision(&this_refmv.as_mv, precision);
#endif // !CONFIG_C071_SUBBLK_WARPMV
for (index = 0; index < *derived_mv_count; ++index) {
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 &&
*derived_mv_count < MAX_REF_MV_STACK_SIZE) {
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);
}
}
}
#endif // CONFIG_MVP_IMPROVEMENT
}
} 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, mi_col, mi_row_cand, mi_col_cand, candidate, refmv_count,
ref_match_count, newmv_count, ref_mv_stack, ref_mv_weight, weight);
} else {
// compound reference frame
if (candidate->ref_frame[0] == rf[0] &&
candidate->ref_frame[1] == rf[1]) {
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (mbmi->skip_mode) return;
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
ref);
}
for (index = 0; index < *refmv_count; ++index) {
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[index].cwp_idx = candidate->cwp_idx;
++(*refmv_count);
}
if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count;
++*ref_match_count;
}
#if CONFIG_MVP_IMPROVEMENT
else if (add_more_mvs) {
// 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,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
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) {
for (index = 0; index < *derived_mv_count; ++index) {
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 &&
*derived_mv_count < MAX_REF_MV_STACK_SIZE) {
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);
}
}
// Add the candidate to single MV stack
for (cand_idx = 0; cand_idx < *single_mv_count; ++cand_idx) {
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 &&
*single_mv_count < MAX_REF_MV_STACK_SIZE) {
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);
}
}
}
#endif // CONFIG_MVP_IMPROVEMENT
}
}
}
#if CONFIG_EXTENDED_WARP_PREDICTION
// 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
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) {
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_EXTENDED_WARP_PREDICTION
// 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_EXTENDED_WARP_PREDICTION
if (same_param) return 1;
}
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 CONFIG_IBC_SR_EXT
if (is_intrabc_block(neighbor_mbmi, SHARED_PART)) return;
#endif // CONFIG_IBC_SR_EXT
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);
}
}
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
// when CONFIG_MVP_IMPROVEMENT is ture, scan_row_mbmi does not called
#if !CONFIG_MVP_IMPROVEMENT
static AOM_INLINE void scan_row_mbmi(
const AV1_COMMON *cm, const MACROBLOCKD *xd, int mi_row, int mi_col,
const MV_REFERENCE_FRAME rf[2], int row_offset, CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight, uint8_t *refmv_count, uint8_t *ref_match_count,
uint8_t *newmv_count, int_mv *gm_mv_candidates, int max_row_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
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,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
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,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
int *processed_rows) {
int end_mi = AOMMIN(xd->width, cm->mi_params.mi_cols - mi_col);
end_mi = AOMMIN(end_mi, mi_size_wide[BLOCK_64X64]);
const int width_8x8 = mi_size_wide[BLOCK_8X8];
const int width_16x16 = mi_size_wide[BLOCK_16X16];
MvSubpelPrecision precision = cm->features.fr_mv_precision;
int col_offset = 0;
// TODO(jingning): Revisit this part after cb4x4 is stable.
if (abs(row_offset) > 1) {
col_offset = 1;
if ((mi_col & 0x01) && xd->width < width_8x8) --col_offset;
}
const int use_step_16 = (xd->width >= 16);
MB_MODE_INFO **const candidate_mi0 = xd->mi + row_offset * xd->mi_stride;
#if CONFIG_C071_SUBBLK_WARPMV
SUBMB_INFO **const submi_mi0 = xd->submi + row_offset * xd->mi_stride;
#endif // CONFIG_C071_SUBBLK_WARPMV
const int plane_type = (xd->tree_type == CHROMA_PART);
for (int i = 0; i < end_mi;) {
#if CONFIG_EXT_RECUR_PARTITIONS
if (xd->mi_col + col_offset + i >= cm->mi_params.mi_cols) break;
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);
const int ref_mask_row = mask_row + row_offset;
const int ref_mask_col = mask_col + col_offset + i;
if (ref_mask_row >= 0) {
if (ref_mask_col >= sb_mi_size) break;
const int ref_offset =
ref_mask_row * xd->is_mi_coded_stride + ref_mask_col;
if (!xd->is_mi_coded[0][ref_offset]) break;
}
#endif // CONFIG_EXT_RECUR_PARTITIONS
const MB_MODE_INFO *const candidate = candidate_mi0[col_offset + i];
assert(candidate != NULL);
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi = submi_mi0[col_offset + i];
#endif // CONFIG_C071_SUBBLK_WARPMV
const int candidate_bsize = candidate->sb_type[plane_type];
const int n4_w = mi_size_wide[candidate_bsize];
int len = AOMMIN(xd->width, n4_w);
if (use_step_16)
len = AOMMAX(width_16x16, len);
else if (abs(row_offset) > 1)
len = AOMMAX(len, width_8x8);
#if CONFIG_MVP_IMPROVEMENT
// Don't add weight to row_offset < -1 which is in the outer area
uint16_t weight = row_offset < -1 ? 0 : 2;
#else
uint16_t weight = 2;
#endif
if (xd->width >= width_8x8 && xd->width <= n4_w) {
uint16_t inc = AOMMIN(-max_row_offset + row_offset + 1,
mi_size_high[candidate_bsize]);
#if !CONFIG_MVP_IMPROVEMENT
// Obtain range used in weight calculation.
weight = AOMMAX(weight, inc);
#endif
// Update processed rows.
*processed_rows = inc - row_offset - 1;
}
const int cand_mi_row = xd->mi_row + row_offset;
const int cand_mi_col = xd->mi_col + col_offset + i;
#if CONFIG_EXTENDED_WARP_PREDICTION
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);
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
add_ref_mv_candidate(
#if !CONFIG_MVP_IMPROVEMENT
cm,
#endif // !CONFIG_MVP_IMPROVEMENT
mi_row, mi_col, cand_mi_row, cand_mi_col, candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack,
ref_mv_weight, gm_mv_candidates, cm->global_motion,
#if CONFIG_SKIP_MODE_ENHANCEMENT
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack,
derived_mv_weight, derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_IBC_SR_EXT
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART],
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_EXTENDED_WARP_PREDICTION
row_offset, col_offset + i,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
len * weight, precision);
i += len;
}
}
#endif // !CONFIG_MVP_IMPROVEMENT
#if CONFIG_MVP_IMPROVEMENT
// 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;
}
}
}
#endif // CONFIG_MVP_IMPROVEMENT
static AOM_INLINE void scan_col_mbmi(
const AV1_COMMON *cm, const MACROBLOCKD *xd, int mi_row, int mi_col,
const MV_REFERENCE_FRAME rf[2], int col_offset, CANDIDATE_MV *ref_mv_stack,
uint16_t *ref_mv_weight, uint8_t *refmv_count, uint8_t *ref_match_count,
uint8_t *newmv_count, int_mv *gm_mv_candidates, int max_col_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
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,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
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,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
int *processed_cols) {
int end_mi = AOMMIN(xd->height, cm->mi_params.mi_rows - mi_row);
end_mi = AOMMIN(end_mi, mi_size_high[BLOCK_64X64]);
const int n8_h_8 = mi_size_high[BLOCK_8X8];
const int n8_h_16 = mi_size_high[BLOCK_16X16];
int i;
MvSubpelPrecision precision = cm->features.fr_mv_precision;
int row_offset = 0;
if (abs(col_offset) > 1) {
row_offset = 1;
if ((mi_row & 0x01) && xd->height < n8_h_8) --row_offset;
}
const int use_step_16 = (xd->height >= 16);
for (i = 0; i < end_mi;) {
#if CONFIG_EXT_RECUR_PARTITIONS
if (xd->mi_row + row_offset + i >= cm->mi_params.mi_rows) break;
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);
const int ref_mask_row = mask_row + row_offset + i;
const int ref_mask_col = mask_col + col_offset;
if (ref_mask_col >= 0) {
if (ref_mask_row >= sb_mi_size) break;
const int ref_offset =
ref_mask_row * xd->is_mi_coded_stride + ref_mask_col;
if (!xd->is_mi_coded[0][ref_offset]) break;
}
#endif // CONFIG_EXT_RECUR_PARTITIONS
const MB_MODE_INFO *const candidate =
xd->mi[(row_offset + i) * xd->mi_stride + col_offset];
assert(candidate != NULL);
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi =
xd->submi[(row_offset + i) * xd->mi_stride + col_offset];
#endif // CONFIG_C071_SUBBLK_WARPMV
const int candidate_bsize =
candidate->sb_type[xd->tree_type == CHROMA_PART];
const int n4_h = mi_size_high[candidate_bsize];
int len = AOMMIN(xd->height, n4_h);
if (use_step_16)
len = AOMMAX(n8_h_16, len);
else if (abs(col_offset) > 1)
len = AOMMAX(len, n8_h_8);
#if CONFIG_MVP_IMPROVEMENT
// Don't add weight to col_offset < -1 which is in the outer area
uint16_t weight = col_offset < -1 ? 0 : 2;
#else
int weight = 2;
#endif
if (xd->height >= n8_h_8 && xd->height <= n4_h) {
int inc = AOMMIN(-max_col_offset + col_offset + 1,
mi_size_wide[candidate_bsize]);
#if !CONFIG_MVP_IMPROVEMENT
// Obtain range used in weight calculation.
weight = AOMMAX(weight, inc);
#endif
// Update processed cols.
*processed_cols = inc - col_offset - 1;
}
const int cand_mi_row = xd->mi_row + row_offset + i;
const int cand_mi_col = xd->mi_col + col_offset;
#if CONFIG_EXTENDED_WARP_PREDICTION
if (warp_param_stack && valid_num_warp_candidates &&
max_num_of_warp_candidates && (col_offset == -1)) {
check_this_warp_candidate(cm, candidate, warp_param_stack, ref_frame,
max_num_of_warp_candidates,
valid_num_warp_candidates, PROJ_SPATIAL);
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
add_ref_mv_candidate(
#if !CONFIG_MVP_IMPROVEMENT
cm,
#endif // !CONFIG_MVP_IMPROVEMENT
mi_row, mi_col, cand_mi_row, cand_mi_col, candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack,
ref_mv_weight, gm_mv_candidates, cm->global_motion,
#if CONFIG_SKIP_MODE_ENHANCEMENT
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack,
derived_mv_weight, derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_IBC_SR_EXT
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART],
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_EXTENDED_WARP_PREDICTION
row_offset + i, col_offset,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
len * weight, precision
);
i += len;
}
}
#if CONFIG_C076_INTER_MOD_CTX
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]);
}
}
#endif // CONFIG_C076_INTER_MOD_CTX
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_ENHANCEMENT
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
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,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
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,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
uint8_t *refmv_count) {
const TileInfo *const tile = &xd->tile;
POSITION mi_pos;
mi_pos.row = row_offset;
mi_pos.col = col_offset;
MvSubpelPrecision precision = cm->features.fr_mv_precision;
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];
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi =
xd->submi[mi_pos.row * xd->mi_stride + mi_pos.col];
#endif // CONFIG_C071_SUBBLK_WARPMV
const int len = mi_size_wide[BLOCK_8X8];
#if CONFIG_MVP_IMPROVEMENT
// Don't add weight to (-1,-1) which is in the outer area
uint16_t weight = row_offset == -1 && col_offset == -1 ? 0 : 2;
#endif
const int cand_mi_row = xd->mi_row + mi_pos.row;
const int cand_mi_col = xd->mi_col + mi_pos.col;
#if CONFIG_EXTENDED_WARP_PREDICTION
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);
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
add_ref_mv_candidate(
#if !CONFIG_MVP_IMPROVEMENT
cm,
#endif // !CONFIG_MVP_IMPROVEMENT
mi_row, mi_col, cand_mi_row, cand_mi_col, candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack,
ref_mv_weight, gm_mv_candidates, cm->global_motion,
#if CONFIG_SKIP_MODE_ENHANCEMENT
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack,
derived_mv_weight, derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_IBC_SR_EXT
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART],
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_EXTENDED_WARP_PREDICTION
row_offset, col_offset,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_MVP_IMPROVEMENT
weight * len
#else
2 * len
#endif
,
precision);
} // Analyze a single 8x8 block motion information.
}
#if CONFIG_EXT_RECUR_PARTITIONS
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;
}
#if CONFIG_MVP_IMPROVEMENT || CONFIG_EXTENDED_WARP_PREDICTION
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];
}
}
#endif // CONFIG_MVP_IMPROVEMENT || CONFIG_EXTENDED_WARP_PREDICTION
#else
static int has_top_right(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int mi_row, int mi_col, int bs) {
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 !CONFIG_MVP_IMPROVEMENT
if (bs > mi_size_wide[BLOCK_64X64]) return 0;
#endif // !CONFIG_MVP_IMPROVEMENT
// In a split partition all apart from the bottom right has a top right
int has_tr = !((mask_row & bs) && (mask_col & bs));
// bs > 0 and bs is a power of 2
assert(bs > 0 && !(bs & (bs - 1)));
// For each 4x4 group of blocks, when the bottom right is decoded the blocks
// to the right have not been decoded therefore the bottom right does
// not have a top right
while (bs < sb_mi_size) {
if (mask_col & bs) {
if ((mask_col & (2 * bs)) && (mask_row & (2 * bs))) {
has_tr = 0;
break;
}
} else {
break;
}
bs <<= 1;
}
// In a VERTICAL or VERTICAL_4 partition, all partition before the last one
// always have a top right (as the block above will have been decoded).
if (xd->width < xd->height) {
if (!xd->is_last_vertical_rect) has_tr = 1;
}
// In a HORIZONTAL or HORIZONTAL_4 partition, partitions after the first one
// never have a top right (as the block to the right won't have been decoded).
if (xd->width > xd->height) {
if (!xd->is_first_horizontal_rect) has_tr = 0;
}
// The bottom left square of a Vertical A (in the old format) does
// not have a top right as it is decoded before the right hand
// rectangle of the partition
if (xd->mi[0]->partition == PARTITION_VERT_A) {
if (xd->width == xd->height)
if (mask_row & bs) has_tr = 0;
}
return has_tr;
}
#if CONFIG_MVP_IMPROVEMENT
static int has_bottom_left(const AV1_COMMON *cm, const MACROBLOCKD *xd,
int mi_row, int mi_col, int bs) {
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);
// In a split partition, only top left subblock has a bottom right
int has_bl = !((mask_row & bs) || (mask_col & bs));
// bs lareger than 64x64 or equals to sb_size case not allowed
if (bs > mi_size_wide[BLOCK_64X64]) has_bl = 0;
if (bs == mi_size_wide[cm->sb_size]) has_bl = 0;
// bs > 0 and bs is a power of 2
assert(bs > 0 && !(bs & (bs - 1)));
// For each 4x4 group of blocks, when the tob left is decoded the blocks
// to the left have been decoded therefore the top left does
// have a bottom left
while (bs < sb_mi_size) {
if (!(mask_col & bs)) {
if (2 * bs == sb_mi_size) break;
if (!(mask_col & (2 * bs)) && !(mask_row & (2 * bs))) {
has_bl = 1;
break;
}
} else {
break;
}
bs <<= 1;
}
// In a VERTICAL or VERTICAL_4 partition, all partition after the first one
// never have a bottom left (as the block to the left won't have been
// decoded).
if (xd->width < xd->height) {
if (!xd->is_first_vertical_rect) has_bl = 0;
}
// In a HORIZONTAL or HORIZONTAL_4 partition, partitions before the last one
// always have a bottom left (as the block above will have been decoded).
if (xd->width > xd->height) {
if (!xd->is_last_horizontal_rect) has_bl = 1;
}
// The bottom left square of a Vertical B (in the old format) does
// have a bottom left as it is decoded after the left hand
// rectangle of the partition
if (xd->mi[0]->partition == PARTITION_VERT_B) {
if (xd->width == xd->height)
if (!(mask_row & bs)) has_bl = 1;
}
return has_bl;
}
#endif // CONFIG_MVP_IMPROVEMENT
#endif // CONFIG_EXT_RECUR_PARTITIONS
#if !CONFIG_MVP_IMPROVEMENT
static int check_sb_border(const int mi_row, const int mi_col,
const int row_offset, const int col_offset) {
const int sb_mi_size = mi_size_wide[BLOCK_64X64];
const int row = mi_row & (sb_mi_size - 1);
const int col = mi_col & (sb_mi_size - 1);
if (row + row_offset < 0 || row + row_offset >= sb_mi_size ||
col + col_offset < 0 || col + col_offset >= sb_mi_size)
return 0;
return 1;
}
#endif // !CONFIG_MVP_IMPROVEMENT
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
#if !CONFIG_C076_INTER_MOD_CTX
,
int_mv *gm_mv_candidates
#endif // !CONFIG_C076_INTER_MOD_CTX
,
uint8_t *const refmv_count,
#if CONFIG_MVP_IMPROVEMENT
int *added_tmvp_cnt,
#endif // CONFIG_MVP_IMPROVEMENT
CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE],
uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE]
#if CONFIG_SKIP_MODE_ENHANCEMENT
,
MV_REFERENCE_FRAME *ref_frame_idx0,
MV_REFERENCE_FRAME *ref_frame_idx1
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if !CONFIG_C076_INTER_MOD_CTX
,
int16_t *mode_context
#endif // !CONFIG_C076_INTER_MOD_CTX
) {
POSITION mi_pos;
mi_pos.row = (mi_row & 0x01) ? blk_row : blk_row + 1;
mi_pos.col = (mi_col & 0x01) ? blk_col : blk_col + 1;
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);
const int tpl_stride =
ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS);
const TPL_MV_REF *prev_frame_mvs =
cm->tpl_mvs + tpl_row * tpl_stride + tpl_col;
if (prev_frame_mvs->mfmv0.as_int == INVALID_MV) return 0;
MV_REFERENCE_FRAME rf[2];
av1_set_ref_frame(rf, ref_frame);
if (is_tip_ref_frame(rf[0])) {
return 0;
}
const uint16_t weight_unit = 1; // mi_size_wide[BLOCK_8X8];
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_frame_index = cm->cur_frame->display_order_hint;
#else
const int cur_frame_index = cm->cur_frame->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const RefCntBuffer *const buf_0 = get_ref_frame_buf(cm, rf[0]);
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int frame0_index = buf_0->display_order_hint;
#else
const int frame0_index = buf_0->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_offset_0 = get_relative_dist(&cm->seq_params.order_hint_info,
cur_frame_index, frame0_index);
int idx;
#if !CONFIG_C071_SUBBLK_WARPMV
const MvSubpelPrecision fr_mv_precision = cm->features.fr_mv_precision;
#endif // !CONFIG_C071_SUBBLK_WARPMV
int_mv this_refmv;
get_mv_projection(&this_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv,
cur_offset_0, prev_frame_mvs->ref_frame_offset);
#if !CONFIG_C071_SUBBLK_WARPMV
lower_mv_precision(&this_refmv.as_mv, fr_mv_precision);
#endif // !CONFIG_C071_SUBBLK_WARPMV
if (rf[1] == NONE_FRAME) {
#if !CONFIG_C076_INTER_MOD_CTX
if (blk_row == 0 && blk_col == 0) {
if (abs(this_refmv.as_mv.row - gm_mv_candidates[0].as_mv.row) >= 16 ||
abs(this_refmv.as_mv.col - gm_mv_candidates[0].as_mv.col) >= 16)
mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET);
}
#endif // !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_SKIP_MODE_ENHANCEMENT
assert(!xd->mi[0]->skip_mode);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
for (idx = 0; idx < *refmv_count; ++idx)
if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int) break;
if (idx < *refmv_count) ref_mv_weight[idx] += 2 * weight_unit;
if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) {
ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
ref_mv_weight[idx] = 2 * weight_unit;
++(*refmv_count);
#if CONFIG_MVP_IMPROVEMENT
++(*added_tmvp_cnt);
#endif // CONFIG_MVP_IMPROVEMENT
}
} else {
// Process compound inter mode
const RefCntBuffer *const buf_1 = get_ref_frame_buf(cm, rf[1]);
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int frame1_index = buf_1->display_order_hint;
#else
const int frame1_index = buf_1->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_offset_1 = get_relative_dist(&cm->seq_params.order_hint_info,
cur_frame_index, frame1_index);
int_mv comp_refmv;
get_mv_projection(&comp_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv,
cur_offset_1, prev_frame_mvs->ref_frame_offset);
#if !CONFIG_C071_SUBBLK_WARPMV
lower_mv_precision(&comp_refmv.as_mv, fr_mv_precision);
#endif // !CONFIG_C071_SUBBLK_WARPMV
#if !CONFIG_C076_INTER_MOD_CTX
if (blk_row == 0 && blk_col == 0) {
if (abs(this_refmv.as_mv.row - gm_mv_candidates[0].as_mv.row) >= 16 ||
abs(this_refmv.as_mv.col - gm_mv_candidates[0].as_mv.col) >= 16 ||
abs(comp_refmv.as_mv.row - gm_mv_candidates[1].as_mv.row) >= 16 ||
abs(comp_refmv.as_mv.col - gm_mv_candidates[1].as_mv.col) >= 16)
mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET);
}
#endif // !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (xd->mi[0]->skip_mode) {
for (idx = 0; idx < *refmv_count; ++idx) {
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] += 2 * weight_unit;
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] = 2 * weight_unit;
++(*refmv_count);
#if CONFIG_MVP_IMPROVEMENT
++(*added_tmvp_cnt);
#endif // CONFIG_MVP_IMPROVEMENT
}
} else {
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
for (idx = 0; idx < *refmv_count; ++idx) {
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] += 2 * weight_unit;
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[idx].cwp_idx = CWP_EQUAL;
ref_mv_weight[idx] = 2 * weight_unit;
++(*refmv_count);
#if CONFIG_MVP_IMPROVEMENT
++(*added_tmvp_cnt);
#endif // CONFIG_MVP_IMPROVEMENT
}
#if CONFIG_SKIP_MODE_ENHANCEMENT
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
}
return 1;
}
static AOM_INLINE void process_compound_ref_mv_candidate(
const MB_MODE_INFO *const candidate,
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
const AV1_COMMON *const cm, const MV_REFERENCE_FRAME *const rf,
int_mv ref_id[2][2], int ref_id_count[2], int_mv ref_diff[2][2],
int ref_diff_count[2]) {
for (int rf_idx = 0; rf_idx < 2; ++rf_idx) {
MV_REFERENCE_FRAME can_rf = candidate->ref_frame[rf_idx];
for (int cmp_idx = 0; cmp_idx < 2; ++cmp_idx) {
if (can_rf == rf[cmp_idx] && ref_id_count[cmp_idx] < 2) {
ref_id[cmp_idx][ref_id_count[cmp_idx]] =
#if CONFIG_C071_SUBBLK_WARPMV
is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] :
#endif // CONFIG_C071_SUBBLK_WARPMV
candidate->mv[rf_idx];
++ref_id_count[cmp_idx];
} else if (is_inter_ref_frame(can_rf) && !is_tip_ref_frame(can_rf) &&
ref_diff_count[cmp_idx] < 2) {
int_mv this_mv =
#if CONFIG_C071_SUBBLK_WARPMV
is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] :
#endif // CONFIG_C071_SUBBLK_WARPMV
candidate->mv[rf_idx];
if (cm->ref_frame_sign_bias[can_rf] !=
cm->ref_frame_sign_bias[rf[cmp_idx]]) {
this_mv.as_mv.row = -this_mv.as_mv.row;
this_mv.as_mv.col = -this_mv.as_mv.col;
}
ref_diff[cmp_idx][ref_diff_count[cmp_idx]] = this_mv;
++ref_diff_count[cmp_idx];
}
}
}
}
static AOM_INLINE void process_single_ref_mv_candidate(
const MB_MODE_INFO *const candidate,
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
const AV1_COMMON *const cm, 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 (is_tip_ref_frame(ref_frame)) return;
for (int rf_idx = 0; rf_idx < 2; ++rf_idx) {
if (is_inter_ref_frame(candidate->ref_frame[rf_idx]) &&
!is_tip_ref_frame(candidate->ref_frame[rf_idx])) {
int_mv this_mv =
#if CONFIG_C071_SUBBLK_WARPMV
is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] :
#endif // CONFIG_C071_SUBBLK_WARPMV
candidate->mv[rf_idx];
if (cm->ref_frame_sign_bias[candidate->ref_frame[rf_idx]] !=
cm->ref_frame_sign_bias[ref_frame]) {
this_mv.as_mv.row = -this_mv.as_mv.row;
this_mv.as_mv.col = -this_mv.as_mv.col;
}
int stack_idx;
for (stack_idx = 0; stack_idx < *refmv_count; ++stack_idx) {
const int_mv stack_mv = ref_mv_stack[stack_idx].this_mv;
if (this_mv.as_int == stack_mv.as_int) break;
}
if (stack_idx == *refmv_count) {
ref_mv_stack[stack_idx].this_mv = this_mv;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[stack_idx].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[stack_idx].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[stack_idx].cwp_idx = candidate->cwp_idx;
// TODO(jingning): Set an arbitrary small number here. The weight
// doesn't matter as long as it is properly initialized.
ref_mv_weight[stack_idx] = 2;
++(*refmv_count);
if (*refmv_count >= MAX_MV_REF_CANDIDATES) return;
}
}
}
}
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) {
// Check if the MV candidate is already existing in the ref MV stack.
for (int i = 0; i < *refmv_count; ++i) {
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;
}
}
// 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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].cwp_idx = cand_mv.cwp_idx;
++*refmv_count;
return true;
}
#if CONFIG_IBC_BV_IMPROVEMENT
// 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;
}
#endif // CONFIG_IBC_BV_IMPROVEMENT
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_ENHANCEMENT
MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
int_mv mv_ref_list[MAX_MV_REF_CANDIDATES], int_mv *gm_mv_candidates,
int mi_row, int mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
int16_t *mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES],
int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates
#endif // CONFIG_EXTENDED_WARP_PREDICTION
) {
#if CONFIG_EXT_RECUR_PARTITIONS
const int has_tr = has_top_right(cm, xd, mi_row, mi_col, xd->width);
#if CONFIG_MVP_IMPROVEMENT
const int has_bl = has_bottom_left(cm, xd, mi_row, mi_col, xd->height);
#endif // CONFIG_MVP_IMPROVEMENT
#else
const int bs = AOMMAX(xd->width, xd->height);
const int has_tr = has_top_right(cm, xd, mi_row, mi_col, bs);
#if CONFIG_MVP_IMPROVEMENT
const int has_bl = has_bottom_left(cm, xd, mi_row, mi_col, bs);
#endif // CONFIG_MVP_IMPROVEMENT
#endif // CONFIG_EXT_RECUR_PARTITIONS
MV_REFERENCE_FRAME rf[2];
const TileInfo *const tile = &xd->tile;
int max_row_offset = 0, max_col_offset = 0;
const int row_adj = (xd->height < mi_size_high[BLOCK_8X8]) && (mi_row & 0x01);
const int col_adj = (xd->width < mi_size_wide[BLOCK_8X8]) && (mi_col & 0x01);
// when CONFIG_MVP_IMPROVEMENT is true, processed_rows does not needed
#if !CONFIG_MVP_IMPROVEMENT
int processed_rows = 0;
#endif // !CONFIG_MVP_IMPROVEMENT
int processed_cols = 0;
av1_set_ref_frame(rf, ref_frame);
#if !CONFIG_C076_INTER_MOD_CTX
mode_context[ref_frame] = 0;
#endif //! CONFIG_C076_INTER_MOD_CTX
*refmv_count = 0;
#if CONFIG_EXTENDED_WARP_PREDICTION
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;
}
// 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) {
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, 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 (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_EXTENDED_WARP_PREDICTION
// Find valid maximum row/col offset.
if (xd->up_available) {
#if CONFIG_MVP_IMPROVEMENT
max_row_offset = -(MVREF_ROWS << 1) + row_adj;
#else
max_row_offset = -(MVREF_ROW_COLS << 1) + row_adj;
#endif // CONFIG_MVP_IMPROVEMENT
if (xd->height < mi_size_high[BLOCK_8X8])
max_row_offset = -(2 << 1) + row_adj;
max_row_offset = find_valid_row_offset(tile, mi_row, max_row_offset);
}
if (xd->left_available) {
#if CONFIG_MVP_IMPROVEMENT
max_col_offset = -(MVREF_COLS << 1) + col_adj;
#else
max_col_offset = -(MVREF_ROW_COLS << 1) + col_adj;
#endif // CONFIG_MVP_IMPROVEMENT
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 CONFIG_MVP_IMPROVEMENT
SINGLE_MV_CANDIDATE single_mv[MAX_REF_MV_STACK_SIZE];
uint8_t single_mv_count = 0;
CANDIDATE_MV derived_mv_stack[MAX_REF_MV_STACK_SIZE];
uint16_t derived_mv_weight[MAX_REF_MV_STACK_SIZE];
uint8_t derived_mv_count = 0;
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_MVP_IMPROVEMENT
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_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
update_processed_cols(xd, mi_row, mi_col, (xd->height - 1), -1,
max_col_offset, &processed_cols);
}
if (xd->up_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, (xd->width - 1), ref_mv_stack,
ref_mv_weight, &row_match_count, &newmv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
if (xd->left_available) {
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_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
update_processed_cols(xd, mi_row, mi_col, 0, -1, max_col_offset,
&processed_cols);
}
if (xd->up_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, 0, ref_mv_stack,
ref_mv_weight, &row_match_count, &newmv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
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_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
if (has_tr) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, xd->width, ref_mv_stack,
ref_mv_weight, &row_match_count, &newmv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
if (xd->up_available && xd->left_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, -1, -1, ref_mv_stack,
ref_mv_weight, &dummy_ref_match_count, &dummy_new_mv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
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_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
update_processed_cols(xd, mi_row, mi_col, (xd->height >> 1), -1,
max_col_offset, &processed_cols);
}
if (xd->up_available) {
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, (xd->width >> 1),
ref_mv_stack, ref_mv_weight, &row_match_count, &newmv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
}
#else
// Scan the first above row mode info. row_offset = -1;
if (abs(max_row_offset) >= 1)
scan_row_mbmi(cm, xd, mi_row, mi_col, rf, -1, ref_mv_stack, ref_mv_weight,
refmv_count, &row_match_count, &newmv_count, gm_mv_candidates,
max_row_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
&processed_rows);
// Scan the first left column mode info. col_offset = -1;
if (abs(max_col_offset) >= 1)
scan_col_mbmi(cm, xd, mi_row, mi_col, rf, -1, ref_mv_stack, ref_mv_weight,
refmv_count, &col_match_count, &newmv_count, gm_mv_candidates,
max_col_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
&processed_cols);
// Check top-right boundary
if (has_tr)
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, xd->width, ref_mv_stack,
ref_mv_weight, &row_match_count, &newmv_count,
gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
1, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
#endif // CONFIG_MVP_IMPROVEMENT
#if !CONFIG_C076_INTER_MOD_CTX
const uint8_t nearest_match = (row_match_count > 0) + (col_match_count > 0);
#endif //! CONFIG_C076_INTER_MOD_CTX
const uint8_t nearest_refmv_count = *refmv_count;
// TODO(yunqing): for comp_search, do it for all 3 cases.
for (int idx = 0; idx < nearest_refmv_count; ++idx)
ref_mv_weight[idx] += REF_CAT_LEVEL;
#if CONFIG_IBC_SR_EXT
if (cm->features.allow_ref_frame_mvs &&
#if CONFIG_D072_SKIP_MODE_IMPROVE
(xd->mi[0]->skip_mode || rf[0] != rf[1]) &&
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
!xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) {
#else
if (cm->features.allow_ref_frame_mvs
#if CONFIG_D072_SKIP_MODE_IMPROVE
&& (xd->mi[0]->skip_mode || rf[0] != rf[1])
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
) {
#endif // CONFIG_IBC_SR_EXT
#if !CONFIG_C076_INTER_MOD_CTX
int is_available = 0;
#endif //! CONFIG_C076_INTER_MOD_CTX
#if !CONFIG_MVP_IMPROVEMENT
const int voffset = AOMMAX(mi_size_high[BLOCK_8X8], xd->height);
const int hoffset = AOMMAX(mi_size_wide[BLOCK_8X8], xd->width);
#endif // !CONFIG_MVP_IMPROVEMENT
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]);
#if !CONFIG_MVP_IMPROVEMENT
const int tpl_sample_pos[3][2] = {
{ voffset, -2 },
{ voffset, hoffset },
{ voffset - 2, hoffset },
};
const int allow_extension = (xd->height >= mi_size_high[BLOCK_8X8]) &&
(xd->height < mi_size_high[BLOCK_64X64]) &&
(xd->width >= mi_size_wide[BLOCK_8X8]) &&
(xd->width < mi_size_wide[BLOCK_64X64]);
#endif // !CONFIG_MVP_IMPROVEMENT
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];
#if CONFIG_MVP_IMPROVEMENT
int added_tmvp_cnt = 0;
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_MVP_IMPROVEMENT
// Use reversed horizontal scan order to check TMVP candidates
for (int blk_row = blk_row_end - step_h; blk_row >= 0; blk_row -= step_h) {
for (int blk_col = blk_col_end - step_w; blk_col >= 0;
blk_col -= step_w) {
if (added_tmvp_cnt) break;
#else
for (int blk_row = 0; blk_row < blk_row_end; blk_row += step_h) {
for (int blk_col = 0; blk_col < blk_col_end; blk_col += step_w) {
#endif // CONFIG_MVP_IMPROVEMENT
#if !CONFIG_C076_INTER_MOD_CTX
int ret =
#endif //! CONFIG_C076_INTER_MOD_CTX
add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame, blk_row, blk_col
#if !CONFIG_C076_INTER_MOD_CTX
,
gm_mv_candidates
#endif //! CONFIG_C076_INTER_MOD_CTX
,
refmv_count,
#if CONFIG_MVP_IMPROVEMENT
&added_tmvp_cnt,
#endif // CONFIG_MVP_IMPROVEMENT
ref_mv_stack, ref_mv_weight
#if CONFIG_SKIP_MODE_ENHANCEMENT
,
ref_frame_idx0, ref_frame_idx1
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if !CONFIG_C076_INTER_MOD_CTX
,
mode_context
#endif // !CONFIG_C076_INTER_MOD_CTX
);
#if !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_MVP_IMPROVEMENT
if (added_tmvp_cnt) is_available = ret;
#else
if (blk_row == 0 && blk_col == 0) is_available = ret;
#endif // CONFIG_MVP_IMPROVEMENT
#endif //! CONFIG_C076_INTER_MOD_CTX
}
}
#if !CONFIG_C076_INTER_MOD_CTX
if (is_available == 0) mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET);
#endif //! CONFIG_C076_INTER_MOD_CTX
#if !CONFIG_MVP_IMPROVEMENT
for (int i = 0; i < 3 && allow_extension; ++i) {
const int blk_row = tpl_sample_pos[i][0];
const int blk_col = tpl_sample_pos[i][1];
if (!check_sb_border(mi_row, mi_col, blk_row, blk_col)) continue;
add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame, blk_row, blk_col,
#if !CONFIG_C076_INTER_MOD_CTX
gm_mv_candidates,
#endif //! CONFIG_C076_INTER_MOD_CTX
refmv_count, ref_mv_stack, ref_mv_weight,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0,
ref_frame_idx1
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if !CONFIG_C076_INTER_MOD_CTX
mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
);
}
#endif // !CONFIG_MVP_IMPROVEMENT
}
uint8_t dummy_newmv_count = 0;
#if !CONFIG_MVP_IMPROVEMENT
// Scan the second outer area.
scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, -1, ref_mv_stack, ref_mv_weight,
&row_match_count, &dummy_newmv_count, gm_mv_candidates,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_MVP_IMPROVEMENT
0, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
refmv_count);
#endif // !CONFIG_MVP_IMPROVEMENT
#if CONFIG_MVP_IMPROVEMENT
for (int idx = 2; idx <= MVREF_COLS; ++idx) {
const int col_offset = -(idx << 1) + 1 + col_adj;
if (abs(col_offset) <= abs(max_col_offset) &&
abs(col_offset) > processed_cols) {
scan_col_mbmi(cm, xd, mi_row, mi_col, rf, col_offset, ref_mv_stack,
ref_mv_weight, refmv_count, &col_match_count,
&dummy_newmv_count, gm_mv_candidates, max_col_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
0, single_mv, &single_mv_count, derived_mv_stack,
derived_mv_weight, &derived_mv_count,
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
&processed_cols);
}
}
#else
for (int idx = 2; idx <= MVREF_ROW_COLS; ++idx) {
const int row_offset = -(idx << 1) + 1 + row_adj;
const int col_offset = -(idx << 1) + 1 + col_adj;
if (abs(row_offset) <= abs(max_row_offset) &&
abs(row_offset) > processed_rows)
scan_row_mbmi(cm, xd, mi_row, mi_col, rf, row_offset, ref_mv_stack,
ref_mv_weight, refmv_count, &row_match_count,
&dummy_newmv_count, gm_mv_candidates, max_row_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
&processed_rows);
if (abs(col_offset) <= abs(max_col_offset) &&
abs(col_offset) > processed_cols)
scan_col_mbmi(cm, xd, mi_row, mi_col, rf, col_offset, ref_mv_stack,
ref_mv_weight, refmv_count, &col_match_count,
&dummy_newmv_count, gm_mv_candidates, max_col_offset,
#if CONFIG_SKIP_MODE_ENHANCEMENT
ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
warp_param_stack, max_num_of_warp_candidates,
valid_num_warp_candidates, ref_frame,
#endif // CONFIG_EXTENDED_WARP_PREDICTION
&processed_cols);
}
#endif // CONFIG_MVP_IMPROVEMENT
#if !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_MVP_IMPROVEMENT
// These contexts are independent of the outer area search
int new_ctx = 2 * nearest_match + (newmv_count > 0);
int ref_ctx = 2 * nearest_match + (newmv_count < 3);
mode_context[ref_frame] |= new_ctx;
mode_context[ref_frame] |= (ref_ctx << REFMV_OFFSET);
#else
const uint8_t ref_match_count = (row_match_count > 0) + (col_match_count > 0);
switch (nearest_match) {
case 0:
if (ref_match_count >= 1) mode_context[ref_frame] |= 1;
if (ref_match_count == 1)
mode_context[ref_frame] |= (1 << REFMV_OFFSET);
else if (ref_match_count >= 2)
mode_context[ref_frame] |= (2 << REFMV_OFFSET);
break;
case 1:
mode_context[ref_frame] |= (newmv_count > 0) ? 2 : 3;
if (ref_match_count == 1)
mode_context[ref_frame] |= (3 << REFMV_OFFSET);
else if (ref_match_count >= 2)
mode_context[ref_frame] |= (4 << REFMV_OFFSET);
break;
case 2:
default:
if (newmv_count >= 1)
mode_context[ref_frame] |= 4;
else
mode_context[ref_frame] |= 5;
mode_context[ref_frame] |= (5 << REFMV_OFFSET);
break;
}
#endif
#endif //! CONFIG_C076_INTER_MOD_CTX
// Rank the likelihood and assign nearest and near mvs.
int len = nearest_refmv_count;
while (len > 0) {
int nr_len = 0;
for (int idx = 1; idx < len; ++idx) {
if (ref_mv_weight[idx - 1] < ref_mv_weight[idx]) {
const CANDIDATE_MV tmp_mv = ref_mv_stack[idx - 1];
const uint16_t tmp_ref_mv_weight = ref_mv_weight[idx - 1];
ref_mv_stack[idx - 1] = ref_mv_stack[idx];
ref_mv_stack[idx] = tmp_mv;
ref_mv_weight[idx - 1] = ref_mv_weight[idx];
ref_mv_weight[idx] = tmp_ref_mv_weight;
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (xd->mi[0]->skip_mode) {
const MV_REFERENCE_FRAME temp_ref0 = ref_frame_idx0[idx - 1];
const MV_REFERENCE_FRAME temp_ref1 = ref_frame_idx1[idx - 1];
ref_frame_idx0[idx - 1] = ref_frame_idx0[idx];
ref_frame_idx0[idx] = temp_ref0;
ref_frame_idx1[idx - 1] = ref_frame_idx1[idx];
ref_frame_idx1[idx] = temp_ref1;
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
nr_len = idx;
}
}
len = nr_len;
}
#if !CONFIG_MVP_IMPROVEMENT
len = *refmv_count;
while (len > nearest_refmv_count) {
int nr_len = nearest_refmv_count;
for (int idx = nearest_refmv_count + 1; idx < len; ++idx) {
if (ref_mv_weight[idx - 1] < ref_mv_weight[idx]) {
const CANDIDATE_MV tmp_mv = ref_mv_stack[idx - 1];
const uint16_t tmp_ref_mv_weight = ref_mv_weight[idx - 1];
ref_mv_stack[idx - 1] = ref_mv_stack[idx];
ref_mv_stack[idx] = tmp_mv;
ref_mv_weight[idx - 1] = ref_mv_weight[idx];
ref_mv_weight[idx] = tmp_ref_mv_weight;
nr_len = idx;
}
}
len = nr_len;
}
#endif
#if CONFIG_MVP_IMPROVEMENT
if (cm->seq_params.enable_refmvbank) {
const int ref_mv_limit =
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]
? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE)
:
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
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
#if !CONFIG_IBC_BV_IMPROVEMENT
&& ref_frame != INTRA_FRAME
#endif // CONFIG_IBC_BV_IMPROVEMENT
) {
const REF_MV_BANK *ref_mv_bank = &xd->ref_mv_bank;
const CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[ref_frame];
const int count = ref_mv_bank->rmb_count[ref_frame];
const int start_idx = ref_mv_bank->rmb_start_idx[ref_frame];
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 CONFIG_SKIP_MODE_ENHANCEMENT
bool rmb_candi_exist =
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
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, cm->width, cm->height);
#if CONFIG_SKIP_MODE_ENHANCEMENT
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_ENHANCEMENT
}
}
}
#endif // CONFIG_MVP_IMPROVEMENT
#if CONFIG_MVP_IMPROVEMENT
const int max_ref_mv_count =
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]
? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE)
:
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE);
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (xd->mi[0]->skip_mode) derived_mv_count = 0;
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
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_ENHANCEMENT
xd->mi[0], ref_frame_idx0, ref_frame_idx1,
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
max_ref_mv_count);
}
#endif // CONFIG_MVP_IMPROVEMENT
int mi_width = AOMMIN(mi_size_wide[BLOCK_64X64], xd->width);
mi_width = AOMMIN(mi_width, cm->mi_params.mi_cols - mi_col);
int mi_height = AOMMIN(mi_size_high[BLOCK_64X64], xd->height);
mi_height = AOMMIN(mi_height, cm->mi_params.mi_rows - mi_row);
const int mi_size = AOMMIN(mi_width, mi_height);
if (rf[1] > NONE_FRAME) {
// TODO(jingning, yunqing): Refactor and consolidate the compound and
// single reference frame modes. Reduce unnecessary redundancy.
if (*refmv_count < MAX_MV_REF_CANDIDATES) {
int_mv ref_id[2][2], ref_diff[2][2];
int ref_id_count[2] = { 0 }, ref_diff_count[2] = { 0 };
for (int idx = 0; abs(max_row_offset) >= 1 && idx < mi_size;) {
const MB_MODE_INFO *const candidate = xd->mi[-xd->mi_stride + idx];
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi = xd->submi[-xd->mi_stride + idx];
#endif // CONFIG_C071_SUBBLK_WARPMV
process_compound_ref_mv_candidate(candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
cm, rf, ref_id, ref_id_count,
ref_diff, ref_diff_count);
idx += mi_size_wide[candidate->sb_type[PLANE_TYPE_Y]];
}
for (int idx = 0; abs(max_col_offset) >= 1 && idx < mi_size;) {
const MB_MODE_INFO *const candidate = xd->mi[idx * xd->mi_stride - 1];
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi = xd->submi[idx * xd->mi_stride - 1];
#endif // CONFIG_C071_SUBBLK_WARPMV
process_compound_ref_mv_candidate(candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
cm, rf, ref_id, ref_id_count,
ref_diff, ref_diff_count);
idx += mi_size_high[candidate->sb_type[PLANE_TYPE_Y]];
}
// Build up the compound mv predictor
int_mv comp_list[MAX_MV_REF_CANDIDATES][2];
for (int idx = 0; idx < 2; ++idx) {
int comp_idx = 0;
for (int list_idx = 0;
list_idx < ref_id_count[idx] && comp_idx < MAX_MV_REF_CANDIDATES;
++list_idx, ++comp_idx)
comp_list[comp_idx][idx] = ref_id[idx][list_idx];
for (int list_idx = 0;
list_idx < ref_diff_count[idx] && comp_idx < MAX_MV_REF_CANDIDATES;
++list_idx, ++comp_idx)
comp_list[comp_idx][idx] = ref_diff[idx][list_idx];
for (; comp_idx < MAX_MV_REF_CANDIDATES; ++comp_idx)
comp_list[comp_idx][idx] = gm_mv_candidates[idx];
}
if (*refmv_count) {
assert(*refmv_count == 1);
if (comp_list[0][0].as_int == ref_mv_stack[0].this_mv.as_int &&
comp_list[0][1].as_int == ref_mv_stack[0].comp_mv.as_int) {
ref_mv_stack[*refmv_count].this_mv = comp_list[1][0];
ref_mv_stack[*refmv_count].comp_mv = comp_list[1][1];
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
} else {
ref_mv_stack[*refmv_count].this_mv = comp_list[0][0];
ref_mv_stack[*refmv_count].comp_mv = comp_list[0][1];
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
}
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[*refmv_count] = rf[0];
ref_frame_idx1[*refmv_count] = rf[1];
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
ref_mv_weight[*refmv_count] = 2;
++*refmv_count;
} else {
for (int idx = 0; idx < MAX_MV_REF_CANDIDATES; ++idx) {
ref_mv_stack[*refmv_count].this_mv = comp_list[idx][0];
ref_mv_stack[*refmv_count].comp_mv = comp_list[idx][1];
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (xd->mi[0]->skip_mode) {
ref_frame_idx0[*refmv_count] = rf[0];
ref_frame_idx1[*refmv_count] = rf[1];
}
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
ref_mv_weight[*refmv_count] = 2;
++*refmv_count;
}
}
}
assert(*refmv_count >= MAX_MV_REF_CANDIDATES);
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);
clamp_mv_ref(&ref_mv_stack[idx].comp_mv.as_mv, xd->width << MI_SIZE_LOG2,
xd->height << MI_SIZE_LOG2, xd);
}
} else {
// Handle single reference frame extension
#if CONFIG_SKIP_MODE_ENHANCEMENT
assert(!xd->mi[0]->skip_mode);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
#if CONFIG_IBC_SR_EXT
if (!xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) {
#endif // CONFIG_IBC_SR_EXT
for (int idx = 0; abs(max_row_offset) >= 1 && idx < mi_size &&
*refmv_count < MAX_MV_REF_CANDIDATES;) {
const MB_MODE_INFO *const candidate = xd->mi[-xd->mi_stride + idx];
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi = xd->submi[-xd->mi_stride + idx];
#endif // CONFIG_C071_SUBBLK_WARPMV
process_single_ref_mv_candidate(candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
cm, ref_frame, refmv_count,
ref_mv_stack, ref_mv_weight);
idx += mi_size_wide[candidate->sb_type[PLANE_TYPE_Y]];
}
for (int idx = 0; abs(max_col_offset) >= 1 && idx < mi_size &&
*refmv_count < MAX_MV_REF_CANDIDATES;) {
const MB_MODE_INFO *const candidate = xd->mi[idx * xd->mi_stride - 1];
#if CONFIG_C071_SUBBLK_WARPMV
const SUBMB_INFO *const submi = xd->submi[idx * xd->mi_stride - 1];
#endif // CONFIG_C071_SUBBLK_WARPMV
process_single_ref_mv_candidate(candidate,
#if CONFIG_C071_SUBBLK_WARPMV
submi,
#endif // CONFIG_C071_SUBBLK_WARPMV
cm, ref_frame, refmv_count,
ref_mv_stack, ref_mv_weight);
idx += mi_size_high[candidate->sb_type[PLANE_TYPE_Y]];
}
#if CONFIG_IBC_SR_EXT
}
#endif // CONFIG_IBC_SR_EXT
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 (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
#if CONFIG_IBC_BV_IMPROVEMENT
&& !xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]
#endif // CONFIG_IBC_BV_IMPROVEMENT
) {
int stack_idx;
for (stack_idx = 0; stack_idx < *refmv_count; ++stack_idx) {
const int_mv stack_mv = ref_mv_stack[stack_idx].this_mv;
if (gm_mv_candidates[0].as_int == stack_mv.as_int) break;
}
if (stack_idx == *refmv_count) {
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;
#if CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL;
ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL;
ref_mv_weight[*refmv_count] = REF_CAT_LEVEL;
(*refmv_count)++;
}
}
}
#if !CONFIG_MVP_IMPROVEMENT
if (!cm->seq_params.enable_refmvbank) return;
const int ref_mv_limit =
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
#if !CONFIG_IBC_BV_IMPROVEMENT
&& ref_frame != INTRA_FRAME
#endif // CONFIG_IBC_BV_IMPROVEMENT
) {
const REF_MV_BANK *ref_mv_bank = xd->ref_mv_bank_pt;
const CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[ref_frame];
const int count = ref_mv_bank->rmb_count[ref_frame];
const int start_idx = ref_mv_bank->rmb_start_idx[ref_frame];
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 CONFIG_SKIP_MODE_ENHANCEMENT
bool rmb_candi_exist =
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
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, cm->width, cm->height);
#if CONFIG_SKIP_MODE_ENHANCEMENT
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_ENHANCEMENT
}
}
#endif // !CONFIG_MVP_IMPROVEMENT
#if CONFIG_EXTENDED_WARP_PREDICTION
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++;
}
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_IBC_BV_IMPROVEMENT
// 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;
const int h = xd->height;
const int default_ref_bv_list[MAX_REF_BV_STACK_SIZE][2] = {
{ 0, -128 },
{ -128 - INTRABC_DELAY_PIXELS, 0 },
{ 0, -h },
{ -w, 0 },
};
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
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;
#else
for (int i = 0; i < MAX_REF_BV_STACK_SIZE; ++i) {
if (*refmv_count >= MAX_REF_BV_STACK_SIZE) break;
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
CANDIDATE_MV tmp_mv;
tmp_mv.this_mv.as_mv.col =
(int16_t)GET_MV_SUBPEL(default_ref_bv_list[i][0]);
tmp_mv.this_mv.as_mv.row =
(int16_t)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);
}
}
#endif // CONFIG_IBC_BV_IMPROVEMENT
}
#if CONFIG_D072_SKIP_MODE_IMPROVE
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);
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
ref_order_hint[0] = buf_0->display_order_hint;
ref_order_hint[1] = buf_1->display_order_hint;
#else
ref_order_hint[0] = buf_0->order_hint;
ref_order_hint[1] = buf_1->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
}
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
#if CONFIG_EXTENDED_WARP_PREDICTION
// 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.invalid = 1;
}
valid_num_warp_candidates[ref_frame] = 0;
}
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_C076_INTER_MOD_CTX
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);
// These contexts are independent of the outer area search
int new_ctx = 2 * nearest_match + (newmv_count > 0);
int ref_ctx = 2 * nearest_match + (newmv_count < 3);
mode_context[ref_frame] |= new_ctx;
mode_context[ref_frame] |= (ref_ctx << REFMV_OFFSET);
}
#endif // CONFIG_C076_INTER_MOD_CTX
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
#if !CONFIG_C076_INTER_MOD_CTX
,
int16_t *mode_context
#endif // !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
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]
#endif // CONFIG_EXTENDED_WARP_PREDICTION
) {
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
int_mv gm_mv[2];
if (ref_frame == INTRA_FRAME) {
gm_mv[0].as_int = gm_mv[1].as_int = 0;
if (global_mvs != NULL) {
global_mvs[ref_frame].as_int = INVALID_MV;
}
} else if (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);
}
}
#if CONFIG_EXTENDED_WARP_PREDICTION
bool derive_wrl = (warp_param_stack && valid_num_warp_candidates &&
max_num_of_warp_candidates);
derive_wrl &= (ref_frame < INTER_REFS_PER_FRAME);
#if CONFIG_SEP_COMP_DRL
if (has_second_drl(mi)) derive_wrl = 0;
#endif // CONFIG_SEP_COMP_DRL
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
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_SKIP_MODE_ENHANCEMENT
if (mi->skip_mode) {
SKIP_MODE_MVP_LIST *skip_list =
(SKIP_MODE_MVP_LIST *)&(xd->skip_mvp_candidate_list);
setup_ref_mv_list(
cm, xd, ref_frame, &(skip_list->ref_mv_count), skip_list->ref_mv_stack,
skip_list->weight, skip_list->ref_frame0, skip_list->ref_frame1,
mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv, mi_row, mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
skip_list->mode_context
#endif // !CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
NULL, 0, NULL
#endif // CONFIG_EXTENDED_WARP_PREDICTION
);
} else {
#if CONFIG_SEP_COMP_DRL
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;
}
setup_ref_mv_list(cm, xd, rf[0], &ref_mv_count[rf[0]], ref_mv_stack[rf[0]],
ref_mv_weight[rf[0]], NULL, NULL,
mv_ref_list ? mv_ref_list[rf[0]] : NULL, gm_mv, mi_row,
mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
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
#endif // CONFIG_EXTENDED_WARP_PREDICTION
);
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;
setup_ref_mv_list(cm, xd, rf[1], &ref_mv_count[rf[1]],
ref_mv_stack[rf[1]], ref_mv_weight[rf[1]], NULL, NULL,
mv_ref_list ? mv_ref_list[rf[1]] : NULL, gm_mv, mi_row,
mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
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
#endif // CONFIG_EXTENDED_WARP_PREDICTION
);
}
#if CONFIG_EXTENDED_WARP_PREDICTION
if (derive_wrl) assert(rf[0] == ref_frame);
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#else
setup_ref_mv_list(cm, xd, ref_frame, &ref_mv_count[ref_frame],
ref_mv_stack[ref_frame], ref_mv_weight[ref_frame], NULL,
NULL, mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv,
mi_row, mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
derive_wrl ? warp_param_stack[ref_frame] : NULL,
derive_wrl ? max_num_of_warp_candidates : 0,
derive_wrl ? &valid_num_warp_candidates[ref_frame] : NULL
#endif // CONFIG_EXTENDED_WARP_PREDICTION
);
#endif // CONFIG_SEP_COMP_DRL
}
#else
setup_ref_mv_list(cm, xd, ref_frame, &ref_mv_count[ref_frame],
ref_mv_stack[ref_frame], ref_mv_weight[ref_frame],
mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv, mi_row,
mi_col
#if !CONFIG_C076_INTER_MOD_CTX
,
mode_context
#endif //! CONFIG_C076_INTER_MOD_CTX
#if CONFIG_EXTENDED_WARP_PREDICTION
,
derive_wrl ? warp_param_stack[ref_frame] : NULL,
derive_wrl ? max_num_of_warp_candidates : 0,
derive_wrl ? &valid_num_warp_candidates[ref_frame] : NULL
#endif // CONFIG_EXTENDED_WARP_PREDICTION
);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
}
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;
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;
} else {
cm->cur_frame->ref_order_hints[ref_frame] = -1;
cm->cur_frame->ref_display_order_hint[ref_frame] = -1;
}
}
}
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;
}
}
#if CONFIG_MF_IMPROVEMENT
// 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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int start_frame_order_hint = start_frame_buf->display_order_hint;
const int cur_order_hint = cm->cur_frame->display_order_hint;
#else
const int start_frame_order_hint = start_frame_buf->order_hint;
const int cur_order_hint = cm->cur_frame->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
int abs_closest_ref_offset = INT_MAX;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int *const ref_order_hints =
&start_frame_buf->ref_display_order_hint[0];
#else
const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
}
#endif // CONFIG_MF_IMPROVEMENT
// Note: motion_filed_projection finds motion vectors of current frame's
// reference frame, and projects them to current frame. To make it clear,
// let's call current frame's reference frame as start frame.
// Call Start frame's reference frames as reference frames.
// Call ref_offset as frame distances between start frame and its reference
// frames.
static int motion_field_projection_bwd(AV1_COMMON *cm,
MV_REFERENCE_FRAME start_frame, int dir,
int overwrite_mv) {
TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int start_frame_order_hint = start_frame_buf->display_order_hint;
const int cur_order_hint = cm->cur_frame->display_order_hint;
#else
const int start_frame_order_hint = start_frame_buf->order_hint;
const int cur_order_hint = cm->cur_frame->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
}
if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset;
int temporal_scale_factor[REF_FRAMES] = { 0 };
int ref_abs_offset[REF_FRAMES] = { 0 };
int has_bwd_ref = 0;
assert(start_frame_buf->width == cm->width &&
start_frame_buf->height == cm->height);
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int *const ref_order_hints =
&start_frame_buf->ref_display_order_hint[0];
#else
const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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]);
has_bwd_ref |= (ref_offset[rf] < 0);
ref_abs_offset[rf] = abs(ref_offset[rf]);
temporal_scale_factor[rf] = tip_derive_scale_factor(
start_to_current_frame_offset, ref_abs_offset[rf]);
}
}
if (has_bwd_ref == 0) return 0;
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 mvs_stride = mvs_cols;
const int enable_compound_mv = cm->seq_params.enable_tip;
for (int blk_row = 0; blk_row < mvs_rows; ++blk_row) {
for (int blk_col = 0; blk_col < mvs_cols; ++blk_col) {
MV_REF *mv_ref = &mv_ref_base[blk_row * mvs_cols + blk_col];
for (int idx = 0; idx < 1 + enable_compound_mv; ++idx) {
const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
int ref_frame_offset = ref_offset[ref_frame];
int pos_valid = ref_frame_offset < 0 &&
ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE;
if (pos_valid) {
MV ref_mv = mv_ref->mv[idx].as_mv;
int_mv this_mv;
int mi_r = blk_row;
int mi_c = blk_col;
if (mv_ref->mv[idx].as_int != 0) {
tip_get_mv_projection(&this_mv.as_mv, ref_mv,
temporal_scale_factor[ref_frame]);
pos_valid = get_block_position(cm, &mi_r, &mi_c, blk_row, blk_col,
this_mv.as_mv, 0);
}
if (pos_valid) {
ref_mv.row = -ref_mv.row;
ref_mv.col = -ref_mv.col;
const int mi_offset = mi_r * mvs_stride + mi_c;
if (overwrite_mv ||
tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) {
tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row;
tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col;
tpl_mvs_base[mi_offset].ref_frame_offset =
ref_abs_offset[ref_frame];
}
}
}
}
}
}
}
return 1;
}
static int motion_field_projection(AV1_COMMON *cm,
MV_REFERENCE_FRAME start_frame, int dir,
int overwrite_mv) {
TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs;
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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int start_frame_order_hint = start_frame_buf->display_order_hint;
const int cur_order_hint = cm->cur_frame->display_order_hint;
#else
const int start_frame_order_hint = start_frame_buf->order_hint;
const int cur_order_hint = cm->cur_frame->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
}
if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset;
int 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);
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int *const ref_order_hints =
&start_frame_buf->ref_display_order_hint[0];
#else
const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0];
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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_abs_offset[rf]);
}
}
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 mvs_stride = mvs_cols;
const int enable_compound_mv = cm->seq_params.enable_tip;
for (int blk_row = 0; blk_row < mvs_rows; ++blk_row) {
for (int blk_col = 0; blk_col < mvs_cols; ++blk_col) {
MV_REF *mv_ref = &mv_ref_base[blk_row * mvs_cols + blk_col];
for (int idx = 0; idx < 1 + enable_compound_mv; ++idx) {
const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[idx];
if (is_inter_ref_frame(ref_frame)) {
const int ref_frame_offset = ref_offset[ref_frame];
int pos_valid = ref_frame_offset > 0 &&
ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE;
if (pos_valid) {
MV ref_mv = mv_ref->mv[idx].as_mv;
int_mv this_mv;
int mi_r = blk_row;
int mi_c = blk_col;
if (mv_ref->mv[idx].as_int != 0) {
tip_get_mv_projection(&this_mv.as_mv, ref_mv,
temporal_scale_factor[ref_frame]);
pos_valid = get_block_position(cm, &mi_r, &mi_c, blk_row, blk_col,
this_mv.as_mv, dir >> 1);
}
if (pos_valid) {
const int mi_offset = mi_r * mvs_stride + mi_c;
if (overwrite_mv ||
tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) {
tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row;
tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col;
tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset;
}
}
}
}
}
}
}
return 1;
}
// 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 (!order_hint_info->enable_order_hint) return -1;
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref);
if (buf == NULL) return -1;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
}
#else
const int ref_order_hint = buf->order_hint;
for (int r = 0; r < INTER_REFS_PER_FRAME; ++r) {
if (buf->ref_order_hints[r] == -1) continue;
const int ref_ref_order_hint = buf->ref_order_hints[r];
if (get_relative_dist(order_hint_info, ref_order_hint,
ref_ref_order_hint) == 0)
return 1;
}
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
return 0;
}
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));
if (!order_hint_info->enable_order_hint) return;
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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
#else
const int relative_dist = get_relative_dist(
order_hint_info, buf->order_hint, cm->cur_frame->order_hint);
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
#else
const int relative_dist = get_relative_dist(
order_hint_info, buf->order_hint, cm->cur_frame->order_hint);
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int relative_dist =
get_relative_dist(order_hint_info, buf->display_order_hint,
cm->cur_frame->display_order_hint);
#else
const int relative_dist = get_relative_dist(
order_hint_info, buf->order_hint, cm->cur_frame->order_hint);
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist);
}
cm->has_bwd_ref = cm->ref_frames_info.num_future_refs ? 1 : 0;
if (cm->seq_params.enable_tip) {
av1_derive_tip_nearest_ref_frames_motion_projection(cm);
}
int n_refs_used = 0;
// Implements a strategy where the closest references in the past
// and future ranked lists are processed first, followed by
// processing the second closest references up to MFMV_STACK_SIZE.
//
// Find two closest past and future references
int dist[2][2] = { { INT_MAX, INT_MAX }, { INT_MAX, INT_MAX } };
int closest_ref[2][2] = { { -1, -1 }, { -1, -1 } };
for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs;
ref_frame++) {
const int dir = cm->ref_frame_side[ref_frame];
if (dir == -1 || is_ref_overlay(cm, ref_frame) ||
!is_ref_motion_field_eligible(cm, ref_buf[ref_frame]))
continue;
const int absdist = abs(cm->ref_frames_info.ref_frame_distance[ref_frame]);
if (absdist < dist[dir][0]) {
dist[dir][1] = dist[dir][0];
closest_ref[dir][1] = closest_ref[dir][0];
dist[dir][0] = absdist;
closest_ref[dir][0] = ref_frame;
} else if (absdist < dist[dir][1]) {
dist[dir][1] = absdist;
closest_ref[dir][1] = ref_frame;
}
}
#if CONFIG_MF_IMPROVEMENT
// Do projection on group 0 (closest past (backward MV), closest future),
// group 1(second closest future, second closest past (backward MV)),
// closest past (forward MV), and then second closest past (forward MVs),
// without overwriting the MVs.
// The projection order of the ref frames in group 0 and group 1 depends
// on the ref frame to its own first ref frame that has interpolation
// property relative to current frame. Interpolation means two frames are on
// two sides of current frame
for (int group_idx = 0; group_idx < 2; ++group_idx) {
const int past_ref_to_its_ref_dist =
get_dist_to_closest_interp_ref(cm, closest_ref[0][group_idx], 0);
const int future_ref_to_its_ref_dist =
get_dist_to_closest_interp_ref(cm, closest_ref[1][group_idx], 1);
if (future_ref_to_its_ref_dist < past_ref_to_its_ref_dist) {
if (closest_ref[1][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) {
n_refs_used +=
motion_field_projection(cm, closest_ref[1][group_idx], 0, 0);
}
if (closest_ref[0][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) {
n_refs_used +=
motion_field_projection_bwd(cm, closest_ref[0][group_idx], 2, 0);
}
} else {
if (closest_ref[0][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) {
n_refs_used +=
motion_field_projection_bwd(cm, closest_ref[0][group_idx], 2, 0);
}
if (closest_ref[1][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) {
n_refs_used +=
motion_field_projection(cm, closest_ref[1][group_idx], 0, 0);
}
}
}
if (closest_ref[0][0] != -1 && n_refs_used < MFMV_STACK_SIZE) {
n_refs_used += motion_field_projection(cm, closest_ref[0][0], 2, 0);
}
if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) {
motion_field_projection(cm, closest_ref[0][1], 2, 0);
}
#else
// Do projection on closest past (backward MV), closest future, second
// closest future, second closest past (backward MV), closest path (forward
// MV), and then second closest past (forward MVs), without overwriting
// the MVs.
if (closest_ref[0][0] != -1) {
const int ret = motion_field_projection_bwd(cm, closest_ref[0][0], 2, 0);
n_refs_used += ret;
}
if (closest_ref[1][0] != -1) {
const int ret = motion_field_projection(cm, closest_ref[1][0], 0, 0);
n_refs_used += ret;
}
if (closest_ref[1][1] != -1 && n_refs_used < MFMV_STACK_SIZE) {
const int ret = motion_field_projection(cm, closest_ref[1][1], 0, 0);
n_refs_used += ret;
}
if (closest_ref[0][0] != -1 && n_refs_used < MFMV_STACK_SIZE) {
const int ret = motion_field_projection(cm, closest_ref[0][0], 2, 0);
n_refs_used += ret;
}
if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) {
const int ret = motion_field_projection_bwd(cm, closest_ref[0][1], 2, 0);
n_refs_used += ret;
}
if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) {
motion_field_projection(cm, closest_ref[0][1], 2, 0);
}
#endif // CONFIG_MF_IMPROVEMENT
}
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));
if (!order_hint_info->enable_order_hint) return;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_order_hint = cm->cur_frame->display_order_hint;
#else
const int cur_order_hint = cm->cur_frame->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs;
ref_frame++) {
const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
int order_hint = 0;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
if (buf != NULL) order_hint = buf->display_order_hint;
#else
if (buf != NULL) order_hint = buf->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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,
#if CONFIG_COMPOUND_WARP_SAMPLES
int ref,
#endif // CONFIG_COMPOUND_WARP_SAMPLES
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);
#if !CONFIG_COMPOUND_WARP_SAMPLES
const int ref = 0;
#endif // CONFIG_COMPOUND_WARP_SAMPLES
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;
}
// 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;
}
// 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;
// scan the nearest above rows
if (up_available) {
const int mi_row_offset = -1;
const MB_MODE_INFO *above_mbmi = xd->mi[mi_row_offset * mi_stride];
uint8_t above_block_width = mi_size_wide[above_mbmi->sb_type[PLANE_TYPE_Y]];
if (xd->width <= above_block_width) {
const int col_offset = -mi_col % above_block_width;
if (col_offset < 0) do_top_left = 0;
if (col_offset + above_block_width > xd->width) do_top_right = 0;
#if CONFIG_COMPOUND_WARP_SAMPLES
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, col_offset, 1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
#else
if (above_mbmi->ref_frame[0] == ref_frame &&
above_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(above_mbmi, pts, pts_inref, 0, -1, col_offset, 1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX;
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
} else { // xd->width > above_block_width
for (i = 0; i < AOMMIN(xd->width, cm->mi_params.mi_cols - mi_col);
i += mi_step) {
above_mbmi = xd->mi[i + mi_row_offset * mi_stride];
above_block_width = mi_size_wide[above_mbmi->sb_type[PLANE_TYPE_Y]];
mi_step = AOMMIN(xd->width, above_block_width);
#if CONFIG_COMPOUND_WARP_SAMPLES
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;
}
}
#else
if (above_mbmi->ref_frame[0] == ref_frame &&
above_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(above_mbmi, pts, pts_inref, 0, -1, i, 1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
}
}
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
// scan the nearest left columns
if (left_available) {
const int mi_col_offset = -1;
const MB_MODE_INFO *left_mbmi = xd->mi[mi_col_offset];
uint8_t left_block_height = mi_size_high[left_mbmi->sb_type[PLANE_TYPE_Y]];
if (xd->height <= left_block_height) {
const int row_offset = -mi_row % left_block_height;
if (row_offset < 0) do_top_left = 0;
#if CONFIG_COMPOUND_WARP_SAMPLES
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, row_offset, 1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
}
#else
if (left_mbmi->ref_frame[0] == ref_frame &&
left_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(left_mbmi, pts, pts_inref, row_offset, 1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX;
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
} else { // xd->height > left_block_height
for (i = 0; i < AOMMIN(xd->height, cm->mi_params.mi_rows - mi_row);
i += mi_step) {
left_mbmi = xd->mi[mi_col_offset + i * mi_stride];
left_block_height = mi_size_high[left_mbmi->sb_type[PLANE_TYPE_Y]];
mi_step = AOMMIN(xd->height, left_block_height);
#if CONFIG_COMPOUND_WARP_SAMPLES
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;
}
}
}
#else
if (left_mbmi->ref_frame[0] == ref_frame &&
left_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(left_mbmi, pts, pts_inref, i, 1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) {
return LEAST_SQUARES_SAMPLES_MAX;
}
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
}
}
}
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;
const MB_MODE_INFO *top_left_mbmi =
xd->mi[mi_col_offset + mi_row_offset * mi_stride];
#if CONFIG_COMPOUND_WARP_SAMPLES
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;
}
}
#else
if (top_left_mbmi->ref_frame[0] == ref_frame &&
top_left_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(top_left_mbmi, pts, pts_inref, 0, -1, 0, -1);
pts += 2;
pts_inref += 2;
if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX;
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
// Top-right block
#if CONFIG_EXT_RECUR_PARTITIONS
if (do_top_right && has_top_right(cm, xd, mi_row, mi_col, xd->width)) {
#else
if (do_top_right &&
has_top_right(cm, xd, mi_row, mi_col, AOMMAX(xd->width, xd->height))) {
#endif
const POSITION top_right_block_pos = { -1, xd->width };
const TileInfo *const tile = &xd->tile;
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;
const MB_MODE_INFO *top_right_mbmi =
xd->mi[mi_col_offset + mi_row_offset * mi_stride];
#if CONFIG_COMPOUND_WARP_SAMPLES
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;
}
}
}
#else
if (top_right_mbmi->ref_frame[0] == ref_frame &&
top_right_mbmi->ref_frame[1] == NONE_FRAME) {
record_samples(top_right_mbmi, pts, pts_inref, 0, -1, xd->width, 1);
if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX;
}
#endif // CONFIG_COMPOUND_WARP_SAMPLES
}
}
assert(np <= LEAST_SQUARES_SAMPLES_MAX);
return np;
}
void av1_setup_skip_mode_allowed(AV1_COMMON *cm) {
const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info;
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 (!order_hint_info->enable_order_hint || frame_is_intra_only(cm)
#if !CONFIG_D072_SKIP_MODE_IMPROVE
|| cm->current_frame.reference_mode == SINGLE_REFERENCE
#endif // !CONFIG_D072_SKIP_MODE_IMPROVE
)
return;
#if CONFIG_ALLOW_SAME_REF_COMPOUND
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;
#if CONFIG_D072_SKIP_MODE_IMPROVE
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_order_hint = cm->current_frame.display_order_hint;
#else
const int cur_order_hint = cm->current_frame.order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
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;
}
#endif // CONFIG_D072_SKIP_MODE_IMPROVE
} else {
skip_mode_info->ref_frame_idx_1 = 0;
skip_mode_info->ref_frame_idx_0 = 0;
}
#else
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int cur_order_hint = cm->current_frame.display_order_hint;
#else
const int cur_order_hint = cm->current_frame.order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
int ref_order_hints[2] = { -1, INT_MAX };
int ref_idx[2] = { INVALID_IDX, INVALID_IDX };
// Identify the top ranked forward and backward references.
for (int i = 0; i < cm->ref_frames_info.num_total_refs; ++i) {
const RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
if (buf == NULL) continue;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int ref_order_hint = buf->display_order_hint;
#else
const int ref_order_hint = buf->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
if (get_relative_dist(order_hint_info, ref_order_hint, cur_order_hint) <
0) {
// Forward reference
if (ref_order_hints[0] == -1 ||
get_relative_dist(order_hint_info, ref_order_hint,
ref_order_hints[0]) > 0) {
ref_order_hints[0] = ref_order_hint;
ref_idx[0] = i;
}
} else if (get_relative_dist(order_hint_info, ref_order_hint,
cur_order_hint) > 0) {
// Backward reference
if (ref_order_hints[1] == INT_MAX ||
get_relative_dist(order_hint_info, ref_order_hint,
ref_order_hints[1]) < 0) {
ref_order_hints[1] = ref_order_hint;
ref_idx[1] = i;
}
}
}
if (ref_idx[0] != INVALID_IDX && ref_idx[1] != INVALID_IDX) {
// == Bi-directional prediction ==
skip_mode_info->skip_mode_allowed = 1;
#if CONFIG_SKIP_MODE_ENHANCEMENT
skip_mode_info->ref_frame_idx_0 = ref_idx[0];
skip_mode_info->ref_frame_idx_1 = ref_idx[1];
#else
skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]);
skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
} else if (ref_idx[0] != INVALID_IDX && ref_idx[1] == INVALID_IDX) {
// == Forward prediction only ==
// Identify the second nearest forward reference.
ref_order_hints[1] = -1;
for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
const RefCntBuffer *const buf = get_ref_frame_buf(cm, i);
if (buf == NULL) continue;
#if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
const int ref_order_hint = buf->display_order_hint;
#else
const int ref_order_hint = buf->order_hint;
#endif // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC
if ((ref_order_hints[0] != -1 &&
get_relative_dist(order_hint_info, ref_order_hint,
ref_order_hints[0]) < 0) &&
(ref_order_hints[1] == -1 ||
get_relative_dist(order_hint_info, ref_order_hint,
ref_order_hints[1]) > 0)) {
// Second closest forward reference
ref_order_hints[1] = ref_order_hint;
ref_idx[1] = i;
}
}
if (ref_order_hints[1] != -1) {
skip_mode_info->skip_mode_allowed = 1;
#if CONFIG_SKIP_MODE_ENHANCEMENT
skip_mode_info->ref_frame_idx_0 = ref_idx[0];
skip_mode_info->ref_frame_idx_1 = ref_idx[1];
#else
skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]);
skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]);
#endif // CONFIG_SKIP_MODE_ENHANCEMENT
}
}
#endif // CONFIG_ALLOW_SAME_REF_COMPOUND
}
static INLINE void update_ref_mv_bank(const MB_MODE_INFO *const mbmi,
REF_MV_BANK *ref_mv_bank) {
const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame);
CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[ref_frame];
const int is_comp = has_second_ref(mbmi);
const int start_idx = ref_mv_bank->rmb_start_idx[ref_frame];
const int count = ref_mv_bank->rmb_count[ref_frame];
int found = -1;
// 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;
// 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 (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];
}
const int tail = (start_idx + count - 1) % REF_MV_BANK_SIZE;
queue[tail] = cand;
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];
queue[idx].cwp_idx = mbmi->cwp_idx;
if (count < REF_MV_BANK_SIZE) {
++ref_mv_bank->rmb_count[ref_frame];
} else {
++ref_mv_bank->rmb_start_idx[ref_frame];
}
}
void av1_update_ref_mv_bank(const AV1_COMMON *const cm, MACROBLOCKD *const xd,
const MB_MODE_INFO *const mbmi) {
update_ref_mv_bank(mbmi, &xd->ref_mv_bank);
(void)cm;
}
#if CONFIG_C071_SUBBLK_WARPMV
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 dst_x = wm_params->wmmat[2] * src_x +
wm_params->wmmat[3] * src_y + wm_params->wmmat[0];
const int32_t dst_y = wm_params->wmmat[4] * src_x +
wm_params->wmmat[5] * src_y + wm_params->wmmat[1];
int32_t submv_x_hp = dst_x - (src_x << WARPEDMODEL_PREC_BITS);
int32_t submv_y_hp = dst_y - (src_y << 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
}
}
}
#endif // CONFIG_C071_SUBBLK_WARPMV
#if CONFIG_EXTENDED_WARP_PREDICTION
#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,
WARP_PARAM_BANK *warp_param_bank) {
#if CONFIG_COMPOUND_WARP_CAUSAL
for (int ref_idx = 0; ref_idx < 1 + is_inter_compound_mode(mbmi->mode);
ref_idx++) {
if (!mbmi->wm_params[ref_idx].invalid) {
const MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame[ref_idx];
#else
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,
const MB_MODE_INFO *const mbmi) {
(void)cm;
if (is_warp_mode(mbmi->motion_mode)) {
update_warp_param_bank(mbmi, &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;
}
memcpy(&warp_param_stack[0], &wrl_list[0],
num_wrl_cand * 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 || mbmi->mode == AMVDNEWMV
)
? 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;
}
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_EXT_RECUR_PARTITIONS
const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, xd->width);
const int has_bl =
has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height);
#else
const int bs = AOMMAX(xd->width, xd->height);
const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, bs);
const int has_bl = has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, bs);
#endif // CONFIG_EXT_RECUR_PARTITIONS
POSITION mi_pos;
int allow_new_ext = 0;
int allow_near_ext = 0;
// 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_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = -1;
mi_pos.col = xd->width - 1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = -1;
mi_pos.col = 0;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = 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_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = -1;
mi_pos.col = xd->width;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && has_tr) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = -1;
mi_pos.col = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available &&
xd->left_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = (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_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 = -1;
mi_pos.col = (xd->width >> 1);
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) {
const MB_MODE_INFO *neighbor_mi =
xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col];
if (is_inter_ref_frame(neighbor_mi->ref_frame[0]) &&
neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) {
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 (p_num_of_warp_neighbors) {
*p_num_of_warp_neighbors = num_of_warp_neighbors;
return num_of_warp_neighbors;
}
if (mbmi->mode == NEWMV) {
return allow_new_ext;
} else if (mbmi->mode == NEARMV) {
return allow_near_ext;
} else {
return 0;
}
}
static AOM_INLINE POSITION get_pos_from_pos_idx(const MACROBLOCKD *xd,
int pos_idx) {
POSITION ret_pos = { 0, 0 };
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 == 8) {
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) {
ret_pos.row = -1;
ret_pos.col = -1;
} else if (pos_idx == 4) {
ret_pos.row = -1;
ret_pos.col = 0;
} else if (pos_idx == 9) {
ret_pos.row = -1;
ret_pos.col = (xd->width >> 1);
} else if (pos_idx == 2) {
ret_pos.row = -1;
ret_pos.col = (xd->width - 1);
} else if (pos_idx == 6) {
ret_pos.row = -1;
ret_pos.col = xd->width;
} 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) {
#if CONFIG_EXT_RECUR_PARTITIONS
const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, xd->width);
const int has_bl =
has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height);
#else
const int bs = AOMMAX(xd->width, xd->height);
const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, bs);
const int has_bl = has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, bs);
#endif // CONFIG_EXT_RECUR_PARTITIONS
int ret_cand = 0;
if (pos_idx == 1 || pos_idx == 3 || pos_idx == 8) {
ret_cand = xd->left_available;
} else if (pos_idx == 2 || pos_idx == 4 || pos_idx == 9) {
ret_cand = xd->up_available;
} else if (pos_idx == 5) {
ret_cand = has_bl;
} else if (pos_idx == 6) {
ret_cand = has_tr;
} else if (pos_idx == 7) {
ret_cand = (xd->up_available && xd->left_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(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_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 ((is_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) ||
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_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) ||
mbmi->mode == NEWMV) {
base_pos->row = mvp_row_offset;
base_pos->col = mvp_col_offset;
return 1;
}
}
for (int pos_idx = 1; pos_idx <= 8; pos_idx++) {
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;
}
// return 1 if valid point is found
// return 0 if the point is not valid
static int fill_warp_corner_projected_point(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 (!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(&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;
}
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
int generate_points_from_corners(const MACROBLOCKD *xd, 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 = -1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available &&
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;
int pos_col = xd->mi_col * MI_SIZE;
int valid = fill_warp_corner_projected_point(neighbor_mi, this_ref, pos_col,
pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
// top-right
mi_pos.row = -1;
mi_pos.col = xd->width - 1;
if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_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(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(neighbor_mi, this_ref, pos_col,
pos_row, pts, mvs, np);
if (valid) {
valid_points++;
}
}
assert(valid_points <= 3);
return valid_points;
}
#endif // CONFIG_EXTENDED_WARP_PREDICTION