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aomedia / aom / refs/tags/v3.0.0 / . / av1 / encoder / compound_type.c
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/*
* Copyright (c) 2020, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "av1/common/pred_common.h"
#include "av1/encoder/compound_type.h"
#include "av1/encoder/encoder_alloc.h"
#include "av1/encoder/model_rd.h"
#include "av1/encoder/motion_search_facade.h"
#include "av1/encoder/rdopt_utils.h"
#include "av1/encoder/reconinter_enc.h"
#include "av1/encoder/tx_search.h"
typedef int64_t (*pick_interinter_mask_type)(
const AV1_COMP *const cpi, MACROBLOCK *x, const BLOCK_SIZE bsize,
const uint8_t *const p0, const uint8_t *const p1,
const int16_t *const residual1, const int16_t *const diff10,
uint64_t *best_sse);
// Checks if characteristics of search match
static INLINE int is_comp_rd_match(const AV1_COMP *const cpi,
const MACROBLOCK *const x,
const COMP_RD_STATS *st,
const MB_MODE_INFO *const mi,
int32_t *comp_rate, int64_t *comp_dist,
int32_t *comp_model_rate,
int64_t *comp_model_dist, int *comp_rs2) {
// TODO(ranjit): Ensure that compound type search use regular filter always
// and check if following check can be removed
// Check if interp filter matches with previous case
if (st->filter.as_int != mi->interp_filters.as_int) return 0;
const MACROBLOCKD *const xd = &x->e_mbd;
// Match MV and reference indices
for (int i = 0; i < 2; ++i) {
if ((st->ref_frames[i] != mi->ref_frame[i]) ||
(st->mv[i].as_int != mi->mv[i].as_int)) {
return 0;
}
const WarpedMotionParams *const wm = &xd->global_motion[mi->ref_frame[i]];
if (is_global_mv_block(mi, wm->wmtype) != st->is_global[i]) return 0;
}
// Store the stats for COMPOUND_AVERAGE and COMPOUND_DISTWTD
for (int comp_type = COMPOUND_AVERAGE; comp_type <= COMPOUND_DISTWTD;
comp_type++) {
comp_rate[comp_type] = st->rate[comp_type];
comp_dist[comp_type] = st->dist[comp_type];
comp_model_rate[comp_type] = st->model_rate[comp_type];
comp_model_dist[comp_type] = st->model_dist[comp_type];
comp_rs2[comp_type] = st->comp_rs2[comp_type];
}
// For compound wedge/segment, reuse data only if NEWMV is not present in
// either of the directions
if ((!have_newmv_in_inter_mode(mi->mode) &&
!have_newmv_in_inter_mode(st->mode)) ||
(cpi->sf.inter_sf.disable_interinter_wedge_newmv_search)) {
memcpy(&comp_rate[COMPOUND_WEDGE], &st->rate[COMPOUND_WEDGE],
sizeof(comp_rate[COMPOUND_WEDGE]) * 2);
memcpy(&comp_dist[COMPOUND_WEDGE], &st->dist[COMPOUND_WEDGE],
sizeof(comp_dist[COMPOUND_WEDGE]) * 2);
memcpy(&comp_model_rate[COMPOUND_WEDGE], &st->model_rate[COMPOUND_WEDGE],
sizeof(comp_model_rate[COMPOUND_WEDGE]) * 2);
memcpy(&comp_model_dist[COMPOUND_WEDGE], &st->model_dist[COMPOUND_WEDGE],
sizeof(comp_model_dist[COMPOUND_WEDGE]) * 2);
memcpy(&comp_rs2[COMPOUND_WEDGE], &st->comp_rs2[COMPOUND_WEDGE],
sizeof(comp_rs2[COMPOUND_WEDGE]) * 2);
}
return 1;
}
// Checks if similar compound type search case is accounted earlier
// If found, returns relevant rd data
static INLINE int find_comp_rd_in_stats(const AV1_COMP *const cpi,
const MACROBLOCK *x,
const MB_MODE_INFO *const mbmi,
int32_t *comp_rate, int64_t *comp_dist,
int32_t *comp_model_rate,
int64_t *comp_model_dist, int *comp_rs2,
int *match_index) {
for (int j = 0; j < x->comp_rd_stats_idx; ++j) {
if (is_comp_rd_match(cpi, x, &x->comp_rd_stats[j], mbmi, comp_rate,
comp_dist, comp_model_rate, comp_model_dist,
comp_rs2)) {
*match_index = j;
return 1;
}
}
return 0; // no match result found
}
static INLINE bool enable_wedge_search(
MACROBLOCK *const x, const unsigned int disable_wedge_var_thresh) {
// Enable wedge search if source variance and edge strength are above
// the thresholds.
return x->source_variance > disable_wedge_var_thresh;
}
static INLINE bool enable_wedge_interinter_search(MACROBLOCK *const x,
const AV1_COMP *const cpi) {
return enable_wedge_search(
x, cpi->sf.inter_sf.disable_interinter_wedge_var_thresh) &&
cpi->oxcf.comp_type_cfg.enable_interinter_wedge;
}
static INLINE bool enable_wedge_interintra_search(MACROBLOCK *const x,
const AV1_COMP *const cpi) {
return enable_wedge_search(
x, cpi->sf.inter_sf.disable_interintra_wedge_var_thresh) &&
cpi->oxcf.comp_type_cfg.enable_interintra_wedge;
}
static int8_t estimate_wedge_sign(const AV1_COMP *cpi, const MACROBLOCK *x,
const BLOCK_SIZE bsize, const uint8_t *pred0,
int stride0, const uint8_t *pred1,
int stride1) {
static const BLOCK_SIZE split_qtr[BLOCK_SIZES_ALL] = {
// 4X4
BLOCK_INVALID,
// 4X8, 8X4, 8X8
BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X4,
// 8X16, 16X8, 16X16
BLOCK_4X8, BLOCK_8X4, BLOCK_8X8,
// 16X32, 32X16, 32X32
BLOCK_8X16, BLOCK_16X8, BLOCK_16X16,
// 32X64, 64X32, 64X64
BLOCK_16X32, BLOCK_32X16, BLOCK_32X32,
// 64x128, 128x64, 128x128
BLOCK_32X64, BLOCK_64X32, BLOCK_64X64,
// 4X16, 16X4, 8X32
BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X16,
// 32X8, 16X64, 64X16
BLOCK_16X4, BLOCK_8X32, BLOCK_32X8
};
const struct macroblock_plane *const p = &x->plane[0];
const uint8_t *src = p->src.buf;
int src_stride = p->src.stride;
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int bw_by2 = bw >> 1;
const int bh_by2 = bh >> 1;
uint32_t esq[2][2];
int64_t tl, br;
const BLOCK_SIZE f_index = split_qtr[bsize];
assert(f_index != BLOCK_INVALID);
if (is_cur_buf_hbd(&x->e_mbd)) {
pred0 = CONVERT_TO_BYTEPTR(pred0);
pred1 = CONVERT_TO_BYTEPTR(pred1);
}
// Residual variance computation over relevant quandrants in order to
// find TL + BR, TL = sum(1st,2nd,3rd) quadrants of (pred0 - pred1),
// BR = sum(2nd,3rd,4th) quadrants of (pred1 - pred0)
// The 2nd and 3rd quadrants cancel out in TL + BR
// Hence TL + BR = 1st quadrant of (pred0-pred1) + 4th of (pred1-pred0)
// TODO(nithya): Sign estimation assumes 45 degrees (1st and 4th quadrants)
// for all codebooks; experiment with other quadrant combinations for
// 0, 90 and 135 degrees also.
cpi->fn_ptr[f_index].vf(src, src_stride, pred0, stride0, &esq[0][0]);
cpi->fn_ptr[f_index].vf(src + bh_by2 * src_stride + bw_by2, src_stride,
pred0 + bh_by2 * stride0 + bw_by2, stride0,
&esq[0][1]);
cpi->fn_ptr[f_index].vf(src, src_stride, pred1, stride1, &esq[1][0]);
cpi->fn_ptr[f_index].vf(src + bh_by2 * src_stride + bw_by2, src_stride,
pred1 + bh_by2 * stride1 + bw_by2, stride0,
&esq[1][1]);
tl = ((int64_t)esq[0][0]) - ((int64_t)esq[1][0]);
br = ((int64_t)esq[1][1]) - ((int64_t)esq[0][1]);
return (tl + br > 0);
}
// Choose the best wedge index and sign
static int64_t pick_wedge(const AV1_COMP *const cpi, const MACROBLOCK *const x,
const BLOCK_SIZE bsize, const uint8_t *const p0,
const int16_t *const residual1,
const int16_t *const diff10,
int8_t *const best_wedge_sign,
int8_t *const best_wedge_index, uint64_t *best_sse) {
const MACROBLOCKD *const xd = &x->e_mbd;
const struct buf_2d *const src = &x->plane[0].src;
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int N = bw * bh;
assert(N >= 64);
int rate;
int64_t dist;
int64_t rd, best_rd = INT64_MAX;
int8_t wedge_index;
int8_t wedge_sign;
const int8_t wedge_types = get_wedge_types_lookup(bsize);
const uint8_t *mask;
uint64_t sse;
const int hbd = is_cur_buf_hbd(xd);
const int bd_round = hbd ? (xd->bd - 8) * 2 : 0;
DECLARE_ALIGNED(32, int16_t, residual0[MAX_SB_SQUARE]); // src - pred0
#if CONFIG_AV1_HIGHBITDEPTH
if (hbd) {
aom_highbd_subtract_block(bh, bw, residual0, bw, src->buf, src->stride,
CONVERT_TO_BYTEPTR(p0), bw, xd->bd);
} else {
aom_subtract_block(bh, bw, residual0, bw, src->buf, src->stride, p0, bw);
}
#else
(void)hbd;
aom_subtract_block(bh, bw, residual0, bw, src->buf, src->stride, p0, bw);
#endif
int64_t sign_limit = ((int64_t)aom_sum_squares_i16(residual0, N) -
(int64_t)aom_sum_squares_i16(residual1, N)) *
(1 << WEDGE_WEIGHT_BITS) / 2;
int16_t *ds = residual0;
av1_wedge_compute_delta_squares(ds, residual0, residual1, N);
for (wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
mask = av1_get_contiguous_soft_mask(wedge_index, 0, bsize);
wedge_sign = av1_wedge_sign_from_residuals(ds, mask, N, sign_limit);
mask = av1_get_contiguous_soft_mask(wedge_index, wedge_sign, bsize);
sse = av1_wedge_sse_from_residuals(residual1, diff10, mask, N);
sse = ROUND_POWER_OF_TWO(sse, bd_round);
model_rd_sse_fn[MODELRD_TYPE_MASKED_COMPOUND](cpi, x, bsize, 0, sse, N,
&rate, &dist);
// int rate2;
// int64_t dist2;
// model_rd_with_curvfit(cpi, x, bsize, 0, sse, N, &rate2, &dist2);
// printf("sse %"PRId64": leagacy: %d %"PRId64", curvfit %d %"PRId64"\n",
// sse, rate, dist, rate2, dist2); dist = dist2;
// rate = rate2;
rate += x->mode_costs.wedge_idx_cost[bsize][wedge_index];
rd = RDCOST(x->rdmult, rate, dist);
if (rd < best_rd) {
*best_wedge_index = wedge_index;
*best_wedge_sign = wedge_sign;
best_rd = rd;
*best_sse = sse;
}
}
return best_rd -
RDCOST(x->rdmult,
x->mode_costs.wedge_idx_cost[bsize][*best_wedge_index], 0);
}
// Choose the best wedge index the specified sign
static int64_t pick_wedge_fixed_sign(
const AV1_COMP *const cpi, const MACROBLOCK *const x,
const BLOCK_SIZE bsize, const int16_t *const residual1,
const int16_t *const diff10, const int8_t wedge_sign,
int8_t *const best_wedge_index, uint64_t *best_sse) {
const MACROBLOCKD *const xd = &x->e_mbd;
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int N = bw * bh;
assert(N >= 64);
int rate;
int64_t dist;
int64_t rd, best_rd = INT64_MAX;
int8_t wedge_index;
const int8_t wedge_types = get_wedge_types_lookup(bsize);
const uint8_t *mask;
uint64_t sse;
const int hbd = is_cur_buf_hbd(xd);
const int bd_round = hbd ? (xd->bd - 8) * 2 : 0;
for (wedge_index = 0; wedge_index < wedge_types; ++wedge_index) {
mask = av1_get_contiguous_soft_mask(wedge_index, wedge_sign, bsize);
sse = av1_wedge_sse_from_residuals(residual1, diff10, mask, N);
sse = ROUND_POWER_OF_TWO(sse, bd_round);
model_rd_sse_fn[MODELRD_TYPE_MASKED_COMPOUND](cpi, x, bsize, 0, sse, N,
&rate, &dist);
rate += x->mode_costs.wedge_idx_cost[bsize][wedge_index];
rd = RDCOST(x->rdmult, rate, dist);
if (rd < best_rd) {
*best_wedge_index = wedge_index;
best_rd = rd;
*best_sse = sse;
}
}
return best_rd -
RDCOST(x->rdmult,
x->mode_costs.wedge_idx_cost[bsize][*best_wedge_index], 0);
}
static int64_t pick_interinter_wedge(
const AV1_COMP *const cpi, MACROBLOCK *const x, const BLOCK_SIZE bsize,
const uint8_t *const p0, const uint8_t *const p1,
const int16_t *const residual1, const int16_t *const diff10,
uint64_t *best_sse) {
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = xd->mi[0];
const int bw = block_size_wide[bsize];
int64_t rd;
int8_t wedge_index = -1;
int8_t wedge_sign = 0;
assert(is_interinter_compound_used(COMPOUND_WEDGE, bsize));
assert(cpi->common.seq_params.enable_masked_compound);
if (cpi->sf.inter_sf.fast_wedge_sign_estimate) {
wedge_sign = estimate_wedge_sign(cpi, x, bsize, p0, bw, p1, bw);
rd = pick_wedge_fixed_sign(cpi, x, bsize, residual1, diff10, wedge_sign,
&wedge_index, best_sse);
} else {
rd = pick_wedge(cpi, x, bsize, p0, residual1, diff10, &wedge_sign,
&wedge_index, best_sse);
}
mbmi->interinter_comp.wedge_sign = wedge_sign;
mbmi->interinter_comp.wedge_index = wedge_index;
return rd;
}
static int64_t pick_interinter_seg(const AV1_COMP *const cpi,
MACROBLOCK *const x, const BLOCK_SIZE bsize,
const uint8_t *const p0,
const uint8_t *const p1,
const int16_t *const residual1,
const int16_t *const diff10,
uint64_t *best_sse) {
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = xd->mi[0];
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int N = 1 << num_pels_log2_lookup[bsize];
int rate;
int64_t dist;
DIFFWTD_MASK_TYPE cur_mask_type;
int64_t best_rd = INT64_MAX;
DIFFWTD_MASK_TYPE best_mask_type = 0;
const int hbd = is_cur_buf_hbd(xd);
const int bd_round = hbd ? (xd->bd - 8) * 2 : 0;
DECLARE_ALIGNED(16, uint8_t, seg_mask[2 * MAX_SB_SQUARE]);
uint8_t *tmp_mask[2] = { xd->seg_mask, seg_mask };
// try each mask type and its inverse
for (cur_mask_type = 0; cur_mask_type < DIFFWTD_MASK_TYPES; cur_mask_type++) {
// build mask and inverse
if (hbd)
av1_build_compound_diffwtd_mask_highbd(
tmp_mask[cur_mask_type], cur_mask_type, CONVERT_TO_BYTEPTR(p0), bw,
CONVERT_TO_BYTEPTR(p1), bw, bh, bw, xd->bd);
else
av1_build_compound_diffwtd_mask(tmp_mask[cur_mask_type], cur_mask_type,
p0, bw, p1, bw, bh, bw);
// compute rd for mask
uint64_t sse = av1_wedge_sse_from_residuals(residual1, diff10,
tmp_mask[cur_mask_type], N);
sse = ROUND_POWER_OF_TWO(sse, bd_round);
model_rd_sse_fn[MODELRD_TYPE_MASKED_COMPOUND](cpi, x, bsize, 0, sse, N,
&rate, &dist);
const int64_t rd0 = RDCOST(x->rdmult, rate, dist);
if (rd0 < best_rd) {
best_mask_type = cur_mask_type;
best_rd = rd0;
*best_sse = sse;
}
}
mbmi->interinter_comp.mask_type = best_mask_type;
if (best_mask_type == DIFFWTD_38_INV) {
memcpy(xd->seg_mask, seg_mask, N * 2);
}
return best_rd;
}
static int64_t pick_interintra_wedge(const AV1_COMP *const cpi,
const MACROBLOCK *const x,
const BLOCK_SIZE bsize,
const uint8_t *const p0,
const uint8_t *const p1) {
const MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = xd->mi[0];
assert(av1_is_wedge_used(bsize));
assert(cpi->common.seq_params.enable_interintra_compound);
const struct buf_2d *const src = &x->plane[0].src;
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
DECLARE_ALIGNED(32, int16_t, residual1[MAX_SB_SQUARE]); // src - pred1
DECLARE_ALIGNED(32, int16_t, diff10[MAX_SB_SQUARE]); // pred1 - pred0
#if CONFIG_AV1_HIGHBITDEPTH
if (is_cur_buf_hbd(xd)) {
aom_highbd_subtract_block(bh, bw, residual1, bw, src->buf, src->stride,
CONVERT_TO_BYTEPTR(p1), bw, xd->bd);
aom_highbd_subtract_block(bh, bw, diff10, bw, CONVERT_TO_BYTEPTR(p1), bw,
CONVERT_TO_BYTEPTR(p0), bw, xd->bd);
} else {
aom_subtract_block(bh, bw, residual1, bw, src->buf, src->stride, p1, bw);
aom_subtract_block(bh, bw, diff10, bw, p1, bw, p0, bw);
}
#else
aom_subtract_block(bh, bw, residual1, bw, src->buf, src->stride, p1, bw);
aom_subtract_block(bh, bw, diff10, bw, p1, bw, p0, bw);
#endif
int8_t wedge_index = -1;
uint64_t sse;
int64_t rd = pick_wedge_fixed_sign(cpi, x, bsize, residual1, diff10, 0,
&wedge_index, &sse);
mbmi->interintra_wedge_index = wedge_index;
return rd;
}
static AOM_INLINE void get_inter_predictors_masked_compound(
MACROBLOCK *x, const BLOCK_SIZE bsize, uint8_t **preds0, uint8_t **preds1,
int16_t *residual1, int16_t *diff10, int *strides) {
MACROBLOCKD *xd = &x->e_mbd;
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
// get inter predictors to use for masked compound modes
av1_build_inter_predictors_for_planes_single_buf(xd, bsize, 0, 0, 0, preds0,
strides);
av1_build_inter_predictors_for_planes_single_buf(xd, bsize, 0, 0, 1, preds1,
strides);
const struct buf_2d *const src = &x->plane[0].src;
#if CONFIG_AV1_HIGHBITDEPTH
if (is_cur_buf_hbd(xd)) {
aom_highbd_subtract_block(bh, bw, residual1, bw, src->buf, src->stride,
CONVERT_TO_BYTEPTR(*preds1), bw, xd->bd);
aom_highbd_subtract_block(bh, bw, diff10, bw, CONVERT_TO_BYTEPTR(*preds1),
bw, CONVERT_TO_BYTEPTR(*preds0), bw, xd->bd);
} else {
aom_subtract_block(bh, bw, residual1, bw, src->buf, src->stride, *preds1,
bw);
aom_subtract_block(bh, bw, diff10, bw, *preds1, bw, *preds0, bw);
}
#else
aom_subtract_block(bh, bw, residual1, bw, src->buf, src->stride, *preds1, bw);
aom_subtract_block(bh, bw, diff10, bw, *preds1, bw, *preds0, bw);
#endif
}
// Computes the rd cost for the given interintra mode and updates the best
static INLINE void compute_best_interintra_mode(
const AV1_COMP *const cpi, MB_MODE_INFO *mbmi, MACROBLOCKD *xd,
MACROBLOCK *const x, const int *const interintra_mode_cost,
const BUFFER_SET *orig_dst, uint8_t *intrapred, const uint8_t *tmp_buf,
INTERINTRA_MODE *best_interintra_mode, int64_t *best_interintra_rd,
INTERINTRA_MODE interintra_mode, BLOCK_SIZE bsize) {
const AV1_COMMON *const cm = &cpi->common;
int rate, skip_txfm_sb;
int64_t dist, skip_sse_sb;
const int bw = block_size_wide[bsize];
mbmi->interintra_mode = interintra_mode;
int rmode = interintra_mode_cost[interintra_mode];
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
av1_combine_interintra(xd, bsize, 0, tmp_buf, bw, intrapred, bw);
model_rd_sb_fn[MODELRD_TYPE_INTERINTRA](cpi, bsize, x, xd, 0, 0, &rate, &dist,
&skip_txfm_sb, &skip_sse_sb, NULL,
NULL, NULL);
int64_t rd = RDCOST(x->rdmult, rate + rmode, dist);
if (rd < *best_interintra_rd) {
*best_interintra_rd = rd;
*best_interintra_mode = mbmi->interintra_mode;
}
}
static int64_t estimate_yrd_for_sb(const AV1_COMP *const cpi, BLOCK_SIZE bs,
MACROBLOCK *x, int64_t ref_best_rd,
RD_STATS *rd_stats) {
MACROBLOCKD *const xd = &x->e_mbd;
if (ref_best_rd < 0) return INT64_MAX;
av1_subtract_plane(x, bs, 0);
const int64_t rd = av1_estimate_txfm_yrd(cpi, x, rd_stats, ref_best_rd, bs,
max_txsize_rect_lookup[bs]);
if (rd != INT64_MAX) {
const int skip_ctx = av1_get_skip_txfm_context(xd);
if (rd_stats->skip_txfm) {
const int s1 = x->mode_costs.skip_txfm_cost[skip_ctx][1];
rd_stats->rate = s1;
} else {
const int s0 = x->mode_costs.skip_txfm_cost[skip_ctx][0];
rd_stats->rate += s0;
}
}
return rd;
}
// Computes the rd_threshold for smooth interintra rd search.
static AOM_INLINE int64_t compute_rd_thresh(MACROBLOCK *const x,
int total_mode_rate,
int64_t ref_best_rd) {
const int64_t rd_thresh = get_rd_thresh_from_best_rd(
ref_best_rd, (1 << INTER_INTRA_RD_THRESH_SHIFT),
INTER_INTRA_RD_THRESH_SCALE);
const int64_t mode_rd = RDCOST(x->rdmult, total_mode_rate, 0);
return (rd_thresh - mode_rd);
}
// Computes the best wedge interintra mode
static AOM_INLINE int64_t compute_best_wedge_interintra(
const AV1_COMP *const cpi, MB_MODE_INFO *mbmi, MACROBLOCKD *xd,
MACROBLOCK *const x, const int *const interintra_mode_cost,
const BUFFER_SET *orig_dst, uint8_t *intrapred_, uint8_t *tmp_buf_,
int *best_mode, int *best_wedge_index, BLOCK_SIZE bsize) {
const AV1_COMMON *const cm = &cpi->common;
const int bw = block_size_wide[bsize];
int64_t best_interintra_rd_wedge = INT64_MAX;
int64_t best_total_rd = INT64_MAX;
uint8_t *intrapred = get_buf_by_bd(xd, intrapred_);
for (INTERINTRA_MODE mode = 0; mode < INTERINTRA_MODES; ++mode) {
mbmi->interintra_mode = mode;
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
int64_t rd = pick_interintra_wedge(cpi, x, bsize, intrapred_, tmp_buf_);
const int rate_overhead =
interintra_mode_cost[mode] +
x->mode_costs.wedge_idx_cost[bsize][mbmi->interintra_wedge_index];
const int64_t total_rd = rd + RDCOST(x->rdmult, rate_overhead, 0);
if (total_rd < best_total_rd) {
best_total_rd = total_rd;
best_interintra_rd_wedge = rd;
*best_mode = mbmi->interintra_mode;
*best_wedge_index = mbmi->interintra_wedge_index;
}
}
return best_interintra_rd_wedge;
}
static int handle_smooth_inter_intra_mode(
const AV1_COMP *const cpi, MACROBLOCK *const x, BLOCK_SIZE bsize,
MB_MODE_INFO *mbmi, int64_t ref_best_rd, int *rate_mv,
INTERINTRA_MODE *best_interintra_mode, int64_t *best_rd,
int *best_mode_rate, const BUFFER_SET *orig_dst, uint8_t *tmp_buf,
uint8_t *intrapred, HandleInterModeArgs *args) {
MACROBLOCKD *xd = &x->e_mbd;
const ModeCosts *mode_costs = &x->mode_costs;
const int *const interintra_mode_cost =
mode_costs->interintra_mode_cost[size_group_lookup[bsize]];
const AV1_COMMON *const cm = &cpi->common;
const int bw = block_size_wide[bsize];
mbmi->use_wedge_interintra = 0;
if (cpi->sf.inter_sf.reuse_inter_intra_mode == 0 ||
*best_interintra_mode == INTERINTRA_MODES) {
int64_t best_interintra_rd = INT64_MAX;
for (INTERINTRA_MODE cur_mode = 0; cur_mode < INTERINTRA_MODES;
++cur_mode) {
if ((!cpi->oxcf.intra_mode_cfg.enable_smooth_intra ||
cpi->sf.intra_sf.disable_smooth_intra) &&
cur_mode == II_SMOOTH_PRED)
continue;
compute_best_interintra_mode(
cpi, mbmi, xd, x, interintra_mode_cost, orig_dst, intrapred, tmp_buf,
best_interintra_mode, &best_interintra_rd, cur_mode, bsize);
}
args->inter_intra_mode[mbmi->ref_frame[0]] = *best_interintra_mode;
}
assert(IMPLIES(!cpi->oxcf.comp_type_cfg.enable_smooth_interintra,
*best_interintra_mode != II_SMOOTH_PRED));
// Recompute prediction if required
bool interintra_mode_reuse = cpi->sf.inter_sf.reuse_inter_intra_mode ||
*best_interintra_mode != INTERINTRA_MODES;
if (interintra_mode_reuse || *best_interintra_mode != INTERINTRA_MODES - 1) {
mbmi->interintra_mode = *best_interintra_mode;
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
av1_combine_interintra(xd, bsize, 0, tmp_buf, bw, intrapred, bw);
}
// Compute rd cost for best smooth_interintra
RD_STATS rd_stats;
const int is_wedge_used = av1_is_wedge_used(bsize);
const int rmode =
interintra_mode_cost[*best_interintra_mode] +
(is_wedge_used ? mode_costs->wedge_interintra_cost[bsize][0] : 0);
const int total_mode_rate = rmode + *rate_mv;
const int64_t rd_thresh = compute_rd_thresh(x, total_mode_rate, ref_best_rd);
int64_t rd = estimate_yrd_for_sb(cpi, bsize, x, rd_thresh, &rd_stats);
if (rd != INT64_MAX) {
rd = RDCOST(x->rdmult, total_mode_rate + rd_stats.rate, rd_stats.dist);
} else {
return IGNORE_MODE;
}
*best_rd = rd;
*best_mode_rate = rmode;
// Return early if best rd not good enough
if (ref_best_rd < INT64_MAX &&
(*best_rd >> INTER_INTRA_RD_THRESH_SHIFT) * INTER_INTRA_RD_THRESH_SCALE >
ref_best_rd) {
return IGNORE_MODE;
}
return 0;
}
static int handle_wedge_inter_intra_mode(
const AV1_COMP *const cpi, MACROBLOCK *const x, BLOCK_SIZE bsize,
MB_MODE_INFO *mbmi, int *rate_mv, INTERINTRA_MODE *best_interintra_mode,
int64_t *best_rd, const BUFFER_SET *orig_dst, uint8_t *tmp_buf_,
uint8_t *tmp_buf, uint8_t *intrapred_, uint8_t *intrapred,
HandleInterModeArgs *args, int *tmp_rate_mv, int *rate_overhead,
int_mv *tmp_mv, int64_t best_rd_no_wedge) {
MACROBLOCKD *xd = &x->e_mbd;
const ModeCosts *mode_costs = &x->mode_costs;
const int *const interintra_mode_cost =
mode_costs->interintra_mode_cost[size_group_lookup[bsize]];
const AV1_COMMON *const cm = &cpi->common;
const int bw = block_size_wide[bsize];
const int try_smooth_interintra =
cpi->oxcf.comp_type_cfg.enable_smooth_interintra;
mbmi->use_wedge_interintra = 1;
if (!cpi->sf.inter_sf.fast_interintra_wedge_search) {
// Exhaustive search of all wedge and mode combinations.
int best_mode = 0;
int best_wedge_index = 0;
*best_rd = compute_best_wedge_interintra(
cpi, mbmi, xd, x, interintra_mode_cost, orig_dst, intrapred_, tmp_buf_,
&best_mode, &best_wedge_index, bsize);
mbmi->interintra_mode = best_mode;
mbmi->interintra_wedge_index = best_wedge_index;
if (best_mode != INTERINTRA_MODES - 1) {
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
}
} else if (!try_smooth_interintra) {
if (*best_interintra_mode == INTERINTRA_MODES) {
mbmi->interintra_mode = INTERINTRA_MODES - 1;
*best_interintra_mode = INTERINTRA_MODES - 1;
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
// Pick wedge mask based on INTERINTRA_MODES - 1
*best_rd = pick_interintra_wedge(cpi, x, bsize, intrapred_, tmp_buf_);
// Find the best interintra mode for the chosen wedge mask
for (INTERINTRA_MODE cur_mode = 0; cur_mode < INTERINTRA_MODES;
++cur_mode) {
compute_best_interintra_mode(
cpi, mbmi, xd, x, interintra_mode_cost, orig_dst, intrapred,
tmp_buf, best_interintra_mode, best_rd, cur_mode, bsize);
}
args->inter_intra_mode[mbmi->ref_frame[0]] = *best_interintra_mode;
mbmi->interintra_mode = *best_interintra_mode;
// Recompute prediction if required
if (*best_interintra_mode != INTERINTRA_MODES - 1) {
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
}
} else {
// Pick wedge mask for the best interintra mode (reused)
mbmi->interintra_mode = *best_interintra_mode;
av1_build_intra_predictors_for_interintra(cm, xd, bsize, 0, orig_dst,
intrapred, bw);
*best_rd = pick_interintra_wedge(cpi, x, bsize, intrapred_, tmp_buf_);
}
} else {
// Pick wedge mask for the best interintra mode from smooth_interintra
*best_rd = pick_interintra_wedge(cpi, x, bsize, intrapred_, tmp_buf_);
}
*rate_overhead =
interintra_mode_cost[mbmi->interintra_mode] +
mode_costs->wedge_idx_cost[bsize][mbmi->interintra_wedge_index] +
mode_costs->wedge_interintra_cost[bsize][1];
*best_rd += RDCOST(x->rdmult, *rate_overhead + *rate_mv, 0);
int64_t rd = INT64_MAX;
const int_mv mv0 = mbmi->mv[0];
// Refine motion vector for NEWMV case.
if (have_newmv_in_inter_mode(mbmi->mode)) {
int rate_sum, skip_txfm_sb;
int64_t dist_sum, skip_sse_sb;
// get negative of mask
const uint8_t *mask =
av1_get_contiguous_soft_mask(mbmi->interintra_wedge_index, 1, bsize);
av1_compound_single_motion_search(cpi, x, bsize, &tmp_mv->as_mv, intrapred,
mask, bw, tmp_rate_mv, 0);
if (mbmi->mv[0].as_int != tmp_mv->as_int) {
mbmi->mv[0].as_int = tmp_mv->as_int;
// Set ref_frame[1] to NONE_FRAME temporarily so that the intra
// predictor is not calculated again in av1_enc_build_inter_predictor().
mbmi->ref_frame[1] = NONE_FRAME;
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
mbmi->ref_frame[1] = INTRA_FRAME;
av1_combine_interintra(xd, bsize, 0, xd->plane[AOM_PLANE_Y].dst.buf,
xd->plane[AOM_PLANE_Y].dst.stride, intrapred, bw);
model_rd_sb_fn[MODELRD_TYPE_MASKED_COMPOUND](
cpi, bsize, x, xd, 0, 0, &rate_sum, &dist_sum, &skip_txfm_sb,
&skip_sse_sb, NULL, NULL, NULL);
rd =
RDCOST(x->rdmult, *tmp_rate_mv + *rate_overhead + rate_sum, dist_sum);
}
}
if (rd >= *best_rd) {
tmp_mv->as_int = mv0.as_int;
*tmp_rate_mv = *rate_mv;
av1_combine_interintra(xd, bsize, 0, tmp_buf, bw, intrapred, bw);
}
// Evaluate closer to true rd
RD_STATS rd_stats;
const int64_t mode_rd = RDCOST(x->rdmult, *rate_overhead + *tmp_rate_mv, 0);
const int64_t tmp_rd_thresh = best_rd_no_wedge - mode_rd;
rd = estimate_yrd_for_sb(cpi, bsize, x, tmp_rd_thresh, &rd_stats);
if (rd != INT64_MAX) {
rd = RDCOST(x->rdmult, *rate_overhead + *tmp_rate_mv + rd_stats.rate,
rd_stats.dist);
} else {
if (*best_rd == INT64_MAX) return IGNORE_MODE;
}
*best_rd = rd;
return 0;
}
int av1_handle_inter_intra_mode(const AV1_COMP *const cpi, MACROBLOCK *const x,
BLOCK_SIZE bsize, MB_MODE_INFO *mbmi,
HandleInterModeArgs *args, int64_t ref_best_rd,
int *rate_mv, int *tmp_rate2,
const BUFFER_SET *orig_dst) {
const int try_smooth_interintra =
cpi->oxcf.comp_type_cfg.enable_smooth_interintra;
const int is_wedge_used = av1_is_wedge_used(bsize);
const int try_wedge_interintra =
is_wedge_used && enable_wedge_interintra_search(x, cpi);
const AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
const int bw = block_size_wide[bsize];
DECLARE_ALIGNED(16, uint8_t, tmp_buf_[2 * MAX_INTERINTRA_SB_SQUARE]);
DECLARE_ALIGNED(16, uint8_t, intrapred_[2 * MAX_INTERINTRA_SB_SQUARE]);
uint8_t *tmp_buf = get_buf_by_bd(xd, tmp_buf_);
uint8_t *intrapred = get_buf_by_bd(xd, intrapred_);
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
// Single reference inter prediction
mbmi->ref_frame[1] = NONE_FRAME;
xd->plane[0].dst.buf = tmp_buf;
xd->plane[0].dst.stride = bw;
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, NULL, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
const int num_planes = av1_num_planes(cm);
// Restore the buffers for intra prediction
restore_dst_buf(xd, *orig_dst, num_planes);
mbmi->ref_frame[1] = INTRA_FRAME;
INTERINTRA_MODE best_interintra_mode =
args->inter_intra_mode[mbmi->ref_frame[0]];
// Compute smooth_interintra
int64_t best_interintra_rd_nowedge = INT64_MAX;
int best_mode_rate = INT_MAX;
if (try_smooth_interintra) {
int ret = handle_smooth_inter_intra_mode(
cpi, x, bsize, mbmi, ref_best_rd, rate_mv, &best_interintra_mode,
&best_interintra_rd_nowedge, &best_mode_rate, orig_dst, tmp_buf,
intrapred, args);
if (ret == IGNORE_MODE) {
return IGNORE_MODE;
}
}
// Compute wedge interintra
int64_t best_interintra_rd_wedge = INT64_MAX;
const int_mv mv0 = mbmi->mv[0];
int_mv tmp_mv = mv0;
int tmp_rate_mv = 0;
int rate_overhead = 0;
if (try_wedge_interintra) {
int ret = handle_wedge_inter_intra_mode(
cpi, x, bsize, mbmi, rate_mv, &best_interintra_mode,
&best_interintra_rd_wedge, orig_dst, tmp_buf_, tmp_buf, intrapred_,
intrapred, args, &tmp_rate_mv, &rate_overhead, &tmp_mv,
best_interintra_rd_nowedge);
if (ret == IGNORE_MODE) {
return IGNORE_MODE;
}
}
if (best_interintra_rd_nowedge == INT64_MAX &&
best_interintra_rd_wedge == INT64_MAX) {
return IGNORE_MODE;
}
if (best_interintra_rd_wedge < best_interintra_rd_nowedge) {
mbmi->mv[0].as_int = tmp_mv.as_int;
*tmp_rate2 += tmp_rate_mv - *rate_mv;
*rate_mv = tmp_rate_mv;
best_mode_rate = rate_overhead;
} else if (try_smooth_interintra && try_wedge_interintra) {
// If smooth was best, but we over-wrote the values when evaluating the
// wedge mode, we need to recompute the smooth values.
mbmi->use_wedge_interintra = 0;
mbmi->interintra_mode = best_interintra_mode;
mbmi->mv[0].as_int = mv0.as_int;
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
}
*tmp_rate2 += best_mode_rate;
if (num_planes > 1) {
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_U, num_planes - 1);
}
return 0;
}
// Computes the valid compound_types to be evaluated
static INLINE int compute_valid_comp_types(MACROBLOCK *x,
const AV1_COMP *const cpi,
BLOCK_SIZE bsize,
int masked_compound_used,
int mode_search_mask,
COMPOUND_TYPE *valid_comp_types) {
const AV1_COMMON *cm = &cpi->common;
int valid_type_count = 0;
int comp_type, valid_check;
int8_t enable_masked_type[MASKED_COMPOUND_TYPES] = { 0, 0 };
const int try_average_comp = (mode_search_mask & (1 << COMPOUND_AVERAGE));
const int try_distwtd_comp =
((mode_search_mask & (1 << COMPOUND_DISTWTD)) &&
cm->seq_params.order_hint_info.enable_dist_wtd_comp == 1 &&
cpi->sf.inter_sf.use_dist_wtd_comp_flag != DIST_WTD_COMP_DISABLED);
// Check if COMPOUND_AVERAGE and COMPOUND_DISTWTD are valid cases
for (comp_type = COMPOUND_AVERAGE; comp_type <= COMPOUND_DISTWTD;
comp_type++) {
valid_check =
(comp_type == COMPOUND_AVERAGE) ? try_average_comp : try_distwtd_comp;
if (valid_check && is_interinter_compound_used(comp_type, bsize))
valid_comp_types[valid_type_count++] = comp_type;
}
// Check if COMPOUND_WEDGE and COMPOUND_DIFFWTD are valid cases
if (masked_compound_used) {
// enable_masked_type[0] corresponds to COMPOUND_WEDGE
// enable_masked_type[1] corresponds to COMPOUND_DIFFWTD
enable_masked_type[0] = enable_wedge_interinter_search(x, cpi);
enable_masked_type[1] = cpi->oxcf.comp_type_cfg.enable_diff_wtd_comp;
for (comp_type = COMPOUND_WEDGE; comp_type <= COMPOUND_DIFFWTD;
comp_type++) {
if ((mode_search_mask & (1 << comp_type)) &&
is_interinter_compound_used(comp_type, bsize) &&
enable_masked_type[comp_type - COMPOUND_WEDGE])
valid_comp_types[valid_type_count++] = comp_type;
}
}
return valid_type_count;
}
// Calculates the cost for compound type mask
static INLINE void calc_masked_type_cost(
const ModeCosts *mode_costs, BLOCK_SIZE bsize, int comp_group_idx_ctx,
int comp_index_ctx, int masked_compound_used, int *masked_type_cost) {
av1_zero_array(masked_type_cost, COMPOUND_TYPES);
// Account for group index cost when wedge and/or diffwtd prediction are
// enabled
if (masked_compound_used) {
// Compound group index of average and distwtd is 0
// Compound group index of wedge and diffwtd is 1
masked_type_cost[COMPOUND_AVERAGE] +=
mode_costs->comp_group_idx_cost[comp_group_idx_ctx][0];
masked_type_cost[COMPOUND_DISTWTD] += masked_type_cost[COMPOUND_AVERAGE];
masked_type_cost[COMPOUND_WEDGE] +=
mode_costs->comp_group_idx_cost[comp_group_idx_ctx][1];
masked_type_cost[COMPOUND_DIFFWTD] += masked_type_cost[COMPOUND_WEDGE];
}
// Compute the cost to signal compound index/type
masked_type_cost[COMPOUND_AVERAGE] +=
mode_costs->comp_idx_cost[comp_index_ctx][1];
masked_type_cost[COMPOUND_DISTWTD] +=
mode_costs->comp_idx_cost[comp_index_ctx][0];
masked_type_cost[COMPOUND_WEDGE] += mode_costs->compound_type_cost[bsize][0];
masked_type_cost[COMPOUND_DIFFWTD] +=
mode_costs->compound_type_cost[bsize][1];
}
// Updates mbmi structure with the relevant compound type info
static INLINE void update_mbmi_for_compound_type(MB_MODE_INFO *mbmi,
COMPOUND_TYPE cur_type) {
mbmi->interinter_comp.type = cur_type;
mbmi->comp_group_idx = (cur_type >= COMPOUND_WEDGE);
mbmi->compound_idx = (cur_type != COMPOUND_DISTWTD);
}
// When match is found, populate the compound type data
// and calculate the rd cost using the stored stats and
// update the mbmi appropriately.
static INLINE int populate_reuse_comp_type_data(
const MACROBLOCK *x, MB_MODE_INFO *mbmi,
BEST_COMP_TYPE_STATS *best_type_stats, int_mv *cur_mv, int32_t *comp_rate,
int64_t *comp_dist, int *comp_rs2, int *rate_mv, int64_t *rd,
int match_index) {
const int winner_comp_type =
x->comp_rd_stats[match_index].interinter_comp.type;
if (comp_rate[winner_comp_type] == INT_MAX)
return best_type_stats->best_compmode_interinter_cost;
update_mbmi_for_compound_type(mbmi, winner_comp_type);
mbmi->interinter_comp = x->comp_rd_stats[match_index].interinter_comp;
*rd = RDCOST(
x->rdmult,
comp_rs2[winner_comp_type] + *rate_mv + comp_rate[winner_comp_type],
comp_dist[winner_comp_type]);
mbmi->mv[0].as_int = cur_mv[0].as_int;
mbmi->mv[1].as_int = cur_mv[1].as_int;
return comp_rs2[winner_comp_type];
}
// Updates rd cost and relevant compound type data for the best compound type
static INLINE void update_best_info(const MB_MODE_INFO *const mbmi, int64_t *rd,
BEST_COMP_TYPE_STATS *best_type_stats,
int64_t best_rd_cur,
int64_t comp_model_rd_cur, int rs2) {
*rd = best_rd_cur;
best_type_stats->comp_best_model_rd = comp_model_rd_cur;
best_type_stats->best_compound_data = mbmi->interinter_comp;
best_type_stats->best_compmode_interinter_cost = rs2;
}
// Updates best_mv for masked compound types
static INLINE void update_mask_best_mv(const MB_MODE_INFO *const mbmi,
int_mv *best_mv, int *best_tmp_rate_mv,
int tmp_rate_mv) {
*best_tmp_rate_mv = tmp_rate_mv;
best_mv[0].as_int = mbmi->mv[0].as_int;
best_mv[1].as_int = mbmi->mv[1].as_int;
}
static INLINE void save_comp_rd_search_stat(
MACROBLOCK *x, const MB_MODE_INFO *const mbmi, const int32_t *comp_rate,
const int64_t *comp_dist, const int32_t *comp_model_rate,
const int64_t *comp_model_dist, const int_mv *cur_mv, const int *comp_rs2) {
const int offset = x->comp_rd_stats_idx;
if (offset < MAX_COMP_RD_STATS) {
COMP_RD_STATS *const rd_stats = x->comp_rd_stats + offset;
memcpy(rd_stats->rate, comp_rate, sizeof(rd_stats->rate));
memcpy(rd_stats->dist, comp_dist, sizeof(rd_stats->dist));
memcpy(rd_stats->model_rate, comp_model_rate, sizeof(rd_stats->model_rate));
memcpy(rd_stats->model_dist, comp_model_dist, sizeof(rd_stats->model_dist));
memcpy(rd_stats->comp_rs2, comp_rs2, sizeof(rd_stats->comp_rs2));
memcpy(rd_stats->mv, cur_mv, sizeof(rd_stats->mv));
memcpy(rd_stats->ref_frames, mbmi->ref_frame, sizeof(rd_stats->ref_frames));
rd_stats->mode = mbmi->mode;
rd_stats->filter = mbmi->interp_filters;
rd_stats->ref_mv_idx = mbmi->ref_mv_idx;
const MACROBLOCKD *const xd = &x->e_mbd;
for (int i = 0; i < 2; ++i) {
const WarpedMotionParams *const wm =
&xd->global_motion[mbmi->ref_frame[i]];
rd_stats->is_global[i] = is_global_mv_block(mbmi, wm->wmtype);
}
memcpy(&rd_stats->interinter_comp, &mbmi->interinter_comp,
sizeof(rd_stats->interinter_comp));
++x->comp_rd_stats_idx;
}
}
static INLINE int get_interinter_compound_mask_rate(
const ModeCosts *const mode_costs, const MB_MODE_INFO *const mbmi) {
const COMPOUND_TYPE compound_type = mbmi->interinter_comp.type;
// This function will be called only for COMPOUND_WEDGE and COMPOUND_DIFFWTD
if (compound_type == COMPOUND_WEDGE) {
return av1_is_wedge_used(mbmi->bsize)
? av1_cost_literal(1) +
mode_costs
->wedge_idx_cost[mbmi->bsize]
[mbmi->interinter_comp.wedge_index]
: 0;
} else {
assert(compound_type == COMPOUND_DIFFWTD);
return av1_cost_literal(1);
}
}
// Takes a backup of rate, distortion and model_rd for future reuse
static INLINE void backup_stats(COMPOUND_TYPE cur_type, int32_t *comp_rate,
int64_t *comp_dist, int32_t *comp_model_rate,
int64_t *comp_model_dist, int rate_sum,
int64_t dist_sum, RD_STATS *rd_stats,
int *comp_rs2, int rs2) {
comp_rate[cur_type] = rd_stats->rate;
comp_dist[cur_type] = rd_stats->dist;
comp_model_rate[cur_type] = rate_sum;
comp_model_dist[cur_type] = dist_sum;
comp_rs2[cur_type] = rs2;
}
static int64_t masked_compound_type_rd(
const AV1_COMP *const cpi, MACROBLOCK *x, const int_mv *const cur_mv,
const BLOCK_SIZE bsize, const PREDICTION_MODE this_mode, int *rs2,
int rate_mv, const BUFFER_SET *ctx, int *out_rate_mv, uint8_t **preds0,
uint8_t **preds1, int16_t *residual1, int16_t *diff10, int *strides,
int mode_rate, int64_t rd_thresh, int *calc_pred_masked_compound,
int32_t *comp_rate, int64_t *comp_dist, int32_t *comp_model_rate,
int64_t *comp_model_dist, const int64_t comp_best_model_rd,
int64_t *const comp_model_rd_cur, int *comp_rs2, int64_t ref_skip_rd) {
const AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = xd->mi[0];
int64_t best_rd_cur = INT64_MAX;
int64_t rd = INT64_MAX;
const COMPOUND_TYPE compound_type = mbmi->interinter_comp.type;
// This function will be called only for COMPOUND_WEDGE and COMPOUND_DIFFWTD
assert(compound_type == COMPOUND_WEDGE || compound_type == COMPOUND_DIFFWTD);
int rate_sum, tmp_skip_txfm_sb;
int64_t dist_sum, tmp_skip_sse_sb;
pick_interinter_mask_type pick_interinter_mask[2] = { pick_interinter_wedge,
pick_interinter_seg };
// TODO(any): Save pred and mask calculation as well into records. However
// this may increase memory requirements as compound segment mask needs to be
// stored in each record.
if (*calc_pred_masked_compound) {
get_inter_predictors_masked_compound(x, bsize, preds0, preds1, residual1,
diff10, strides);
*calc_pred_masked_compound = 0;
}
if (compound_type == COMPOUND_WEDGE) {
unsigned int sse;
if (is_cur_buf_hbd(xd))
(void)cpi->fn_ptr[bsize].vf(CONVERT_TO_BYTEPTR(*preds0), *strides,
CONVERT_TO_BYTEPTR(*preds1), *strides, &sse);
else
(void)cpi->fn_ptr[bsize].vf(*preds0, *strides, *preds1, *strides, &sse);
const unsigned int mse =
ROUND_POWER_OF_TWO(sse, num_pels_log2_lookup[bsize]);
// If two predictors are very similar, skip wedge compound mode search
if (mse < 8 || (!have_newmv_in_inter_mode(this_mode) && mse < 64)) {
*comp_model_rd_cur = INT64_MAX;
return INT64_MAX;
}
}
// Function pointer to pick the appropriate mask
// compound_type == COMPOUND_WEDGE, calls pick_interinter_wedge()
// compound_type == COMPOUND_DIFFWTD, calls pick_interinter_seg()
uint64_t cur_sse = UINT64_MAX;
best_rd_cur = pick_interinter_mask[compound_type - COMPOUND_WEDGE](
cpi, x, bsize, *preds0, *preds1, residual1, diff10, &cur_sse);
*rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
best_rd_cur += RDCOST(x->rdmult, *rs2 + rate_mv, 0);
assert(cur_sse != UINT64_MAX);
int64_t skip_rd_cur = RDCOST(x->rdmult, *rs2 + rate_mv, (cur_sse << 4));
// Although the true rate_mv might be different after motion search, but it
// is unlikely to be the best mode considering the transform rd cost and other
// mode overhead cost
int64_t mode_rd = RDCOST(x->rdmult, *rs2 + mode_rate, 0);
if (mode_rd > rd_thresh) {
*comp_model_rd_cur = INT64_MAX;
return INT64_MAX;
}
// Check if the mode is good enough based on skip rd
// TODO(nithya): Handle wedge_newmv_search if extending for lower speed
// setting
if (cpi->sf.inter_sf.txfm_rd_gate_level) {
int eval_txfm = check_txfm_eval(x, bsize, ref_skip_rd, skip_rd_cur,
cpi->sf.inter_sf.txfm_rd_gate_level, 1);
if (!eval_txfm) {
*comp_model_rd_cur = INT64_MAX;
return INT64_MAX;
}
}
// Compute cost if matching record not found, else, reuse data
if (comp_rate[compound_type] == INT_MAX) {
// Check whether new MV search for wedge is to be done
int wedge_newmv_search =
have_newmv_in_inter_mode(this_mode) &&
(compound_type == COMPOUND_WEDGE) &&
(!cpi->sf.inter_sf.disable_interinter_wedge_newmv_search);
// Search for new MV if needed and build predictor
if (wedge_newmv_search) {
*out_rate_mv = av1_interinter_compound_motion_search(cpi, x, cur_mv,
bsize, this_mode);
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, ctx, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
} else {
*out_rate_mv = rate_mv;
av1_build_wedge_inter_predictor_from_buf(xd, bsize, 0, 0, preds0, strides,
preds1, strides);
}
// Get the RD cost from model RD
model_rd_sb_fn[MODELRD_TYPE_MASKED_COMPOUND](
cpi, bsize, x, xd, 0, 0, &rate_sum, &dist_sum, &tmp_skip_txfm_sb,
&tmp_skip_sse_sb, NULL, NULL, NULL);
rd = RDCOST(x->rdmult, *rs2 + *out_rate_mv + rate_sum, dist_sum);
*comp_model_rd_cur = rd;
// Override with best if current is worse than best for new MV
if (wedge_newmv_search) {
if (rd >= best_rd_cur) {
mbmi->mv[0].as_int = cur_mv[0].as_int;
mbmi->mv[1].as_int = cur_mv[1].as_int;
*out_rate_mv = rate_mv;
av1_build_wedge_inter_predictor_from_buf(xd, bsize, 0, 0, preds0,
strides, preds1, strides);
*comp_model_rd_cur = best_rd_cur;
}
}
if (cpi->sf.inter_sf.prune_comp_type_by_model_rd &&
(*comp_model_rd_cur > comp_best_model_rd) &&
comp_best_model_rd != INT64_MAX) {
*comp_model_rd_cur = INT64_MAX;
return INT64_MAX;
}
// Compute RD cost for the current type
RD_STATS rd_stats;
const int64_t tmp_mode_rd = RDCOST(x->rdmult, *rs2 + *out_rate_mv, 0);
const int64_t tmp_rd_thresh = rd_thresh - tmp_mode_rd;
rd = estimate_yrd_for_sb(cpi, bsize, x, tmp_rd_thresh, &rd_stats);
if (rd != INT64_MAX) {
rd =
RDCOST(x->rdmult, *rs2 + *out_rate_mv + rd_stats.rate, rd_stats.dist);
// Backup rate and distortion for future reuse
backup_stats(compound_type, comp_rate, comp_dist, comp_model_rate,
comp_model_dist, rate_sum, dist_sum, &rd_stats, comp_rs2,
*rs2);
}
} else {
// Reuse data as matching record is found
assert(comp_dist[compound_type] != INT64_MAX);
// When disable_interinter_wedge_newmv_search is set, motion refinement is
// disabled. Hence rate and distortion can be reused in this case as well
assert(IMPLIES(have_newmv_in_inter_mode(this_mode),
cpi->sf.inter_sf.disable_interinter_wedge_newmv_search));
assert(mbmi->mv[0].as_int == cur_mv[0].as_int);
assert(mbmi->mv[1].as_int == cur_mv[1].as_int);
*out_rate_mv = rate_mv;
// Calculate RD cost based on stored stats
rd = RDCOST(x->rdmult, *rs2 + *out_rate_mv + comp_rate[compound_type],
comp_dist[compound_type]);
// Recalculate model rdcost with the updated rate
*comp_model_rd_cur =
RDCOST(x->rdmult, *rs2 + *out_rate_mv + comp_model_rate[compound_type],
comp_model_dist[compound_type]);
}
return rd;
}
// scaling values to be used for gating wedge/compound segment based on best
// approximate rd
static int comp_type_rd_threshold_mul[3] = { 1, 11, 12 };
static int comp_type_rd_threshold_div[3] = { 3, 16, 16 };
int av1_compound_type_rd(const AV1_COMP *const cpi, MACROBLOCK *x,
HandleInterModeArgs *args, BLOCK_SIZE bsize,
int_mv *cur_mv, int mode_search_mask,
int masked_compound_used, const BUFFER_SET *orig_dst,
const BUFFER_SET *tmp_dst,
const CompoundTypeRdBuffers *buffers, int *rate_mv,
int64_t *rd, RD_STATS *rd_stats, int64_t ref_best_rd,
int64_t ref_skip_rd, int *is_luma_interp_done,
int64_t rd_thresh) {
const AV1_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *mbmi = xd->mi[0];
const PREDICTION_MODE this_mode = mbmi->mode;
int ref_frame = av1_ref_frame_type(mbmi->ref_frame);
const int bw = block_size_wide[bsize];
int rs2;
int_mv best_mv[2];
int best_tmp_rate_mv = *rate_mv;
BEST_COMP_TYPE_STATS best_type_stats;
// Initializing BEST_COMP_TYPE_STATS
best_type_stats.best_compound_data.type = COMPOUND_AVERAGE;
best_type_stats.best_compmode_interinter_cost = 0;
best_type_stats.comp_best_model_rd = INT64_MAX;
uint8_t *preds0[1] = { buffers->pred0 };
uint8_t *preds1[1] = { buffers->pred1 };
int strides[1] = { bw };
int tmp_rate_mv;
COMPOUND_TYPE cur_type;
// Local array to store the mask cost for different compound types
int masked_type_cost[COMPOUND_TYPES];
int calc_pred_masked_compound = 1;
int64_t comp_dist[COMPOUND_TYPES] = { INT64_MAX, INT64_MAX, INT64_MAX,
INT64_MAX };
int32_t comp_rate[COMPOUND_TYPES] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
int comp_rs2[COMPOUND_TYPES] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
int32_t comp_model_rate[COMPOUND_TYPES] = { INT_MAX, INT_MAX, INT_MAX,
INT_MAX };
int64_t comp_model_dist[COMPOUND_TYPES] = { INT64_MAX, INT64_MAX, INT64_MAX,
INT64_MAX };
int match_index = 0;
const int match_found =
find_comp_rd_in_stats(cpi, x, mbmi, comp_rate, comp_dist, comp_model_rate,
comp_model_dist, comp_rs2, &match_index);
best_mv[0].as_int = cur_mv[0].as_int;
best_mv[1].as_int = cur_mv[1].as_int;
*rd = INT64_MAX;
// Local array to store the valid compound types to be evaluated in the core
// loop
COMPOUND_TYPE valid_comp_types[COMPOUND_TYPES] = {
COMPOUND_AVERAGE, COMPOUND_DISTWTD, COMPOUND_WEDGE, COMPOUND_DIFFWTD
};
int valid_type_count = 0;
// compute_valid_comp_types() returns the number of valid compound types to be
// evaluated and populates the same in the local array valid_comp_types[].
// It also sets the flag 'try_average_and_distwtd_comp'
valid_type_count = compute_valid_comp_types(
x, cpi, bsize, masked_compound_used, mode_search_mask, valid_comp_types);
// The following context indices are independent of compound type
const int comp_group_idx_ctx = get_comp_group_idx_context(xd);
const int comp_index_ctx = get_comp_index_context(cm, xd);
// Populates masked_type_cost local array for the 4 compound types
calc_masked_type_cost(&x->mode_costs, bsize, comp_group_idx_ctx,
comp_index_ctx, masked_compound_used, masked_type_cost);
int64_t comp_model_rd_cur = INT64_MAX;
int64_t best_rd_cur = ref_best_rd;
const int mi_row = xd->mi_row;
const int mi_col = xd->mi_col;
// If the match is found, calculate the rd cost using the
// stored stats and update the mbmi appropriately.
if (match_found && cpi->sf.inter_sf.reuse_compound_type_decision) {
return populate_reuse_comp_type_data(x, mbmi, &best_type_stats, cur_mv,
comp_rate, comp_dist, comp_rs2,
rate_mv, rd, match_index);
}
// If COMPOUND_AVERAGE is not valid, use the spare buffer
if (valid_comp_types[0] != COMPOUND_AVERAGE) restore_dst_buf(xd, *tmp_dst, 1);
// Loop over valid compound types
for (int i = 0; i < valid_type_count; i++) {
cur_type = valid_comp_types[i];
if (args->cmp_mode[ref_frame] == COMPOUND_AVERAGE) {
if (cur_type == COMPOUND_WEDGE) continue;
}
comp_model_rd_cur = INT64_MAX;
tmp_rate_mv = *rate_mv;
best_rd_cur = INT64_MAX;
ref_best_rd = AOMMIN(ref_best_rd, *rd);
update_mbmi_for_compound_type(mbmi, cur_type);
rs2 = masked_type_cost[cur_type];
int64_t mode_rd = RDCOST(x->rdmult, rs2 + rd_stats->rate, 0);
if (mode_rd >= ref_best_rd) continue;
// Case COMPOUND_AVERAGE and COMPOUND_DISTWTD
if (cur_type < COMPOUND_WEDGE) {
if (cpi->sf.inter_sf.enable_fast_compound_mode_search == 2) {
int rate_sum, tmp_skip_txfm_sb;
int64_t dist_sum, tmp_skip_sse_sb;
// Reuse data if matching record is found
if (comp_rate[cur_type] == INT_MAX) {
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
if (cur_type == COMPOUND_AVERAGE) *is_luma_interp_done = 1;
// Compute RD cost for the current type
RD_STATS est_rd_stats;
const int64_t tmp_rd_thresh = AOMMIN(*rd, rd_thresh) - mode_rd;
int64_t est_rd = INT64_MAX;
int eval_txfm = 1;
// Check if the mode is good enough based on skip rd
if (cpi->sf.inter_sf.txfm_rd_gate_level) {
int64_t sse_y = compute_sse_plane(x, xd, PLANE_TYPE_Y, bsize);
int64_t skip_rd = RDCOST(x->rdmult, rs2 + *rate_mv, (sse_y << 4));
eval_txfm = check_txfm_eval(x, bsize, ref_skip_rd, skip_rd,
cpi->sf.inter_sf.txfm_rd_gate_level, 1);
}
// Evaluate further if skip rd is low enough
if (eval_txfm) {
est_rd = estimate_yrd_for_sb(cpi, bsize, x, tmp_rd_thresh,
&est_rd_stats);
}
if (est_rd != INT64_MAX) {
best_rd_cur = RDCOST(x->rdmult, rs2 + *rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
model_rd_sb_fn[MODELRD_TYPE_MASKED_COMPOUND](
cpi, bsize, x, xd, 0, 0, &rate_sum, &dist_sum,
&tmp_skip_txfm_sb, &tmp_skip_sse_sb, NULL, NULL, NULL);
comp_model_rd_cur =
RDCOST(x->rdmult, rs2 + *rate_mv + rate_sum, dist_sum);
// Backup rate and distortion for future reuse
backup_stats(cur_type, comp_rate, comp_dist, comp_model_rate,
comp_model_dist, rate_sum, dist_sum, &est_rd_stats,
comp_rs2, rs2);
}
} else {
// Calculate RD cost based on stored stats
assert(comp_dist[cur_type] != INT64_MAX);
best_rd_cur = RDCOST(x->rdmult, rs2 + *rate_mv + comp_rate[cur_type],
comp_dist[cur_type]);
// Recalculate model rdcost with the updated rate
comp_model_rd_cur =
RDCOST(x->rdmult, rs2 + *rate_mv + comp_model_rate[cur_type],
comp_model_dist[cur_type]);
}
} else {
tmp_rate_mv = *rate_mv;
if (have_newmv_in_inter_mode(this_mode)) {
InterPredParams inter_pred_params;
av1_dist_wtd_comp_weight_assign(
&cpi->common, mbmi, 0, &inter_pred_params.conv_params.fwd_offset,
&inter_pred_params.conv_params.bck_offset,
&inter_pred_params.conv_params.use_dist_wtd_comp_avg, 1);
int mask_value = inter_pred_params.conv_params.fwd_offset * 4;
memset(xd->seg_mask, mask_value, sizeof(xd->seg_mask));
tmp_rate_mv = av1_interinter_compound_motion_search(cpi, x, cur_mv,
bsize, this_mode);
}
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
if (cur_type == COMPOUND_AVERAGE) *is_luma_interp_done = 1;
RD_STATS est_rd_stats;
estimate_yrd_for_sb(cpi, bsize, x, INT64_MAX, &est_rd_stats);
best_rd_cur = RDCOST(x->rdmult, rs2 + tmp_rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
}
// use spare buffer for following compound type try
if (cur_type == COMPOUND_AVERAGE) restore_dst_buf(xd, *tmp_dst, 1);
} else if (cur_type == COMPOUND_WEDGE) {
int best_mask_index = 0;
int best_wedge_sign = 0;
int_mv tmp_mv[2] = { mbmi->mv[0], mbmi->mv[1] };
int best_rs2 = 0;
int best_rate_mv = *rate_mv;
const int wedge_mask_size = get_wedge_types_lookup(bsize);
int need_mask_search = args->wedge_index == -1;
if (need_mask_search && !have_newmv_in_inter_mode(this_mode)) {
// short cut repeated single reference block build
av1_build_inter_predictors_for_planes_single_buf(xd, bsize, 0, 0, 0,
preds0, strides);
av1_build_inter_predictors_for_planes_single_buf(xd, bsize, 0, 0, 1,
preds1, strides);
}
for (int wedge_mask = 0; wedge_mask < wedge_mask_size && need_mask_search;
++wedge_mask) {
for (int wedge_sign = 0; wedge_sign < 2; ++wedge_sign) {
tmp_rate_mv = *rate_mv;
mbmi->interinter_comp.wedge_index = wedge_mask;
mbmi->interinter_comp.wedge_sign = wedge_sign;
rs2 = masked_type_cost[cur_type];
rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
mode_rd = RDCOST(x->rdmult, rs2 + rd_stats->rate, 0);
if (mode_rd >= ref_best_rd / 2) continue;
if (have_newmv_in_inter_mode(this_mode)) {
tmp_rate_mv = av1_interinter_compound_motion_search(
cpi, x, cur_mv, bsize, this_mode);
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst,
bsize, AOM_PLANE_Y, AOM_PLANE_Y);
} else {
av1_build_wedge_inter_predictor_from_buf(xd, bsize, 0, 0, preds0,
strides, preds1, strides);
}
RD_STATS est_rd_stats;
int64_t this_rd_cur = estimate_yrd_for_sb(
cpi, bsize, x, AOMMIN(best_rd_cur, ref_best_rd), &est_rd_stats);
if (this_rd_cur < INT64_MAX) {
this_rd_cur =
RDCOST(x->rdmult, rs2 + tmp_rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
}
if (this_rd_cur < best_rd_cur) {
best_mask_index = wedge_mask;
best_wedge_sign = wedge_sign;
best_rd_cur = this_rd_cur;
tmp_mv[0] = mbmi->mv[0];
tmp_mv[1] = mbmi->mv[1];
best_rate_mv = tmp_rate_mv;
best_rs2 = rs2;
}
}
}
if (need_mask_search) {
if (this_mode == NEW_NEWMV) {
args->wedge_index = best_mask_index;
args->wedge_sign = best_wedge_sign;
}
} else {
mbmi->interinter_comp.wedge_index = args->wedge_index;
mbmi->interinter_comp.wedge_sign = args->wedge_sign;
rs2 = masked_type_cost[cur_type];
rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
if (have_newmv_in_inter_mode(this_mode)) {
tmp_rate_mv = av1_interinter_compound_motion_search(cpi, x, cur_mv,
bsize, this_mode);
}
best_mask_index = args->wedge_index;
best_wedge_sign = args->wedge_sign;
tmp_mv[0] = mbmi->mv[0];
tmp_mv[1] = mbmi->mv[1];
best_rate_mv = tmp_rate_mv;
best_rs2 = masked_type_cost[cur_type];
best_rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
RD_STATS est_rd_stats;
estimate_yrd_for_sb(cpi, bsize, x, INT64_MAX, &est_rd_stats);
best_rd_cur =
RDCOST(x->rdmult, best_rs2 + tmp_rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
}
mbmi->interinter_comp.wedge_index = best_mask_index;
mbmi->interinter_comp.wedge_sign = best_wedge_sign;
mbmi->mv[0] = tmp_mv[0];
mbmi->mv[1] = tmp_mv[1];
tmp_rate_mv = best_rate_mv;
rs2 = best_rs2;
} else if (!cpi->sf.inter_sf.enable_fast_compound_mode_search &&
cur_type == COMPOUND_DIFFWTD) {
int_mv tmp_mv[2];
int best_mask_index = 0;
rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
int need_mask_search = args->diffwtd_index == -1;
for (int mask_index = 0; mask_index < 2 && need_mask_search;
++mask_index) {
tmp_rate_mv = *rate_mv;
mbmi->interinter_comp.mask_type = mask_index;
if (have_newmv_in_inter_mode(this_mode)) {
// hard coded number for diff wtd
int mask_value = mask_index == 0 ? 38 : 26;
memset(xd->seg_mask, mask_value, sizeof(xd->seg_mask));
tmp_rate_mv = av1_interinter_compound_motion_search(cpi, x, cur_mv,
bsize, this_mode);
}
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
RD_STATS est_rd_stats;
int64_t this_rd_cur =
estimate_yrd_for_sb(cpi, bsize, x, ref_best_rd, &est_rd_stats);
if (this_rd_cur < INT64_MAX) {
this_rd_cur = RDCOST(x->rdmult, rs2 + tmp_rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
}
if (this_rd_cur < best_rd_cur) {
best_rd_cur = this_rd_cur;
best_mask_index = mbmi->interinter_comp.mask_type;
tmp_mv[0] = mbmi->mv[0];
tmp_mv[1] = mbmi->mv[1];
}
}
if (need_mask_search) {
if (this_mode == NEW_NEWMV) args->diffwtd_index = best_mask_index;
} else {
mbmi->interinter_comp.mask_type = args->diffwtd_index;
rs2 = masked_type_cost[cur_type];
rs2 += get_interinter_compound_mask_rate(&x->mode_costs, mbmi);
int mask_value = mbmi->interinter_comp.mask_type == 0 ? 38 : 26;
memset(xd->seg_mask, mask_value, sizeof(xd->seg_mask));
if (have_newmv_in_inter_mode(this_mode)) {
tmp_rate_mv = av1_interinter_compound_motion_search(cpi, x, cur_mv,
bsize, this_mode);
}
best_mask_index = mbmi->interinter_comp.mask_type;
tmp_mv[0] = mbmi->mv[0];
tmp_mv[1] = mbmi->mv[1];
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, orig_dst, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
RD_STATS est_rd_stats;
int64_t this_rd_cur =
estimate_yrd_for_sb(cpi, bsize, x, ref_best_rd, &est_rd_stats);
if (this_rd_cur < INT64_MAX) {
best_rd_cur = RDCOST(x->rdmult, rs2 + tmp_rate_mv + est_rd_stats.rate,
est_rd_stats.dist);
}
}
mbmi->interinter_comp.mask_type = best_mask_index;
mbmi->mv[0] = tmp_mv[0];
mbmi->mv[1] = tmp_mv[1];
} else {
// Handle masked compound types
// Factors to control gating of compound type selection based on best
// approximate rd so far
const int max_comp_type_rd_threshold_mul =
comp_type_rd_threshold_mul[cpi->sf.inter_sf
.prune_comp_type_by_comp_avg];
const int max_comp_type_rd_threshold_div =
comp_type_rd_threshold_div[cpi->sf.inter_sf
.prune_comp_type_by_comp_avg];
// Evaluate COMPOUND_WEDGE / COMPOUND_DIFFWTD if approximated cost is
// within threshold
int64_t approx_rd = ((*rd / max_comp_type_rd_threshold_div) *
max_comp_type_rd_threshold_mul);
if (approx_rd < ref_best_rd) {
const int64_t tmp_rd_thresh = AOMMIN(*rd, rd_thresh);
best_rd_cur = masked_compound_type_rd(
cpi, x, cur_mv, bsize, this_mode, &rs2, *rate_mv, orig_dst,
&tmp_rate_mv, preds0, preds1, buffers->residual1, buffers->diff10,
strides, rd_stats->rate, tmp_rd_thresh, &calc_pred_masked_compound,
comp_rate, comp_dist, comp_model_rate, comp_model_dist,
best_type_stats.comp_best_model_rd, &comp_model_rd_cur, comp_rs2,
ref_skip_rd);
}
}
// Update stats for best compound type
if (best_rd_cur < *rd) {
update_best_info(mbmi, rd, &best_type_stats, best_rd_cur,
comp_model_rd_cur, rs2);
if (have_newmv_in_inter_mode(this_mode))
update_mask_best_mv(mbmi, best_mv, &best_tmp_rate_mv, tmp_rate_mv);
}
// reset to original mvs for next iteration
mbmi->mv[0].as_int = cur_mv[0].as_int;
mbmi->mv[1].as_int = cur_mv[1].as_int;
}
mbmi->comp_group_idx =
(best_type_stats.best_compound_data.type < COMPOUND_WEDGE) ? 0 : 1;
mbmi->compound_idx =
!(best_type_stats.best_compound_data.type == COMPOUND_DISTWTD);
mbmi->interinter_comp = best_type_stats.best_compound_data;
if (have_newmv_in_inter_mode(this_mode)) {
mbmi->mv[0].as_int = best_mv[0].as_int;
mbmi->mv[1].as_int = best_mv[1].as_int;
rd_stats->rate += best_tmp_rate_mv - *rate_mv;
*rate_mv = best_tmp_rate_mv;
}
if (this_mode == NEW_NEWMV)
args->cmp_mode[ref_frame] = mbmi->interinter_comp.type;
restore_dst_buf(xd, *orig_dst, 1);
if (!match_found)
save_comp_rd_search_stat(x, mbmi, comp_rate, comp_dist, comp_model_rate,
comp_model_dist, cur_mv, comp_rs2);
return best_type_stats.best_compmode_interinter_cost;
}