1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <assert.h>
13 #include <stdio.h>
14 #include <limits.h>
15
16 #include "config/aom_config.h"
17 #include "config/aom_dsp_rtcd.h"
18 #include "config/aom_scale_rtcd.h"
19
20 #include "aom/aom_integer.h"
21 #include "aom_dsp/blend.h"
22
23 #include "av1/common/blockd.h"
24 #include "av1/common/mvref_common.h"
25 #include "av1/common/reconinter.h"
26 #include "av1/common/reconintra.h"
27 #include "av1/common/onyxc_int.h"
28 #include "av1/common/obmc.h"
29 #include "av1/encoder/reconinter_enc.h"
30
calc_subpel_params(MACROBLOCKD * xd,const struct scale_factors * const sf,const MV mv,int plane,const int pre_x,const int pre_y,int x,int y,struct buf_2d * const pre_buf,uint8_t ** pre,SubpelParams * subpel_params,int bw,int bh)31 static INLINE void calc_subpel_params(
32 MACROBLOCKD *xd, const struct scale_factors *const sf, const MV mv,
33 int plane, const int pre_x, const int pre_y, int x, int y,
34 struct buf_2d *const pre_buf, uint8_t **pre, SubpelParams *subpel_params,
35 int bw, int bh) {
36 struct macroblockd_plane *const pd = &xd->plane[plane];
37 const int is_scaled = av1_is_scaled(sf);
38 if (is_scaled) {
39 int ssx = pd->subsampling_x;
40 int ssy = pd->subsampling_y;
41 int orig_pos_y = (pre_y + y) << SUBPEL_BITS;
42 orig_pos_y += mv.row * (1 << (1 - ssy));
43 int orig_pos_x = (pre_x + x) << SUBPEL_BITS;
44 orig_pos_x += mv.col * (1 << (1 - ssx));
45 int pos_y = sf->scale_value_y(orig_pos_y, sf);
46 int pos_x = sf->scale_value_x(orig_pos_x, sf);
47 pos_x += SCALE_EXTRA_OFF;
48 pos_y += SCALE_EXTRA_OFF;
49
50 const int top = -AOM_LEFT_TOP_MARGIN_SCALED(ssy);
51 const int left = -AOM_LEFT_TOP_MARGIN_SCALED(ssx);
52 const int bottom = (pre_buf->height + AOM_INTERP_EXTEND)
53 << SCALE_SUBPEL_BITS;
54 const int right = (pre_buf->width + AOM_INTERP_EXTEND) << SCALE_SUBPEL_BITS;
55 pos_y = clamp(pos_y, top, bottom);
56 pos_x = clamp(pos_x, left, right);
57
58 *pre = pre_buf->buf0 + (pos_y >> SCALE_SUBPEL_BITS) * pre_buf->stride +
59 (pos_x >> SCALE_SUBPEL_BITS);
60 subpel_params->subpel_x = pos_x & SCALE_SUBPEL_MASK;
61 subpel_params->subpel_y = pos_y & SCALE_SUBPEL_MASK;
62 subpel_params->xs = sf->x_step_q4;
63 subpel_params->ys = sf->y_step_q4;
64 } else {
65 const MV mv_q4 = clamp_mv_to_umv_border_sb(
66 xd, &mv, bw, bh, pd->subsampling_x, pd->subsampling_y);
67 subpel_params->xs = subpel_params->ys = SCALE_SUBPEL_SHIFTS;
68 subpel_params->subpel_x = (mv_q4.col & SUBPEL_MASK) << SCALE_EXTRA_BITS;
69 subpel_params->subpel_y = (mv_q4.row & SUBPEL_MASK) << SCALE_EXTRA_BITS;
70 *pre = pre_buf->buf + (y + (mv_q4.row >> SUBPEL_BITS)) * pre_buf->stride +
71 (x + (mv_q4.col >> SUBPEL_BITS));
72 }
73 }
74
build_inter_predictors(const AV1_COMMON * cm,MACROBLOCKD * xd,int plane,const MB_MODE_INFO * mi,int build_for_obmc,int bw,int bh,int mi_x,int mi_y)75 static INLINE void build_inter_predictors(const AV1_COMMON *cm, MACROBLOCKD *xd,
76 int plane, const MB_MODE_INFO *mi,
77 int build_for_obmc, int bw, int bh,
78 int mi_x, int mi_y) {
79 struct macroblockd_plane *const pd = &xd->plane[plane];
80 int is_compound = has_second_ref(mi);
81 int ref;
82 const int is_intrabc = is_intrabc_block(mi);
83 assert(IMPLIES(is_intrabc, !is_compound));
84 int is_global[2] = { 0, 0 };
85 for (ref = 0; ref < 1 + is_compound; ++ref) {
86 const WarpedMotionParams *const wm = &xd->global_motion[mi->ref_frame[ref]];
87 is_global[ref] = is_global_mv_block(mi, wm->wmtype);
88 }
89
90 const BLOCK_SIZE bsize = mi->sb_type;
91 const int ss_x = pd->subsampling_x;
92 const int ss_y = pd->subsampling_y;
93 int sub8x8_inter = (block_size_wide[bsize] < 8 && ss_x) ||
94 (block_size_high[bsize] < 8 && ss_y);
95
96 if (is_intrabc) sub8x8_inter = 0;
97
98 // For sub8x8 chroma blocks, we may be covering more than one luma block's
99 // worth of pixels. Thus (mi_x, mi_y) may not be the correct coordinates for
100 // the top-left corner of the prediction source - the correct top-left corner
101 // is at (pre_x, pre_y).
102 const int row_start =
103 (block_size_high[bsize] == 4) && ss_y && !build_for_obmc ? -1 : 0;
104 const int col_start =
105 (block_size_wide[bsize] == 4) && ss_x && !build_for_obmc ? -1 : 0;
106 const int pre_x = (mi_x + MI_SIZE * col_start) >> ss_x;
107 const int pre_y = (mi_y + MI_SIZE * row_start) >> ss_y;
108
109 sub8x8_inter = sub8x8_inter && !build_for_obmc;
110 if (sub8x8_inter) {
111 for (int row = row_start; row <= 0 && sub8x8_inter; ++row) {
112 for (int col = col_start; col <= 0; ++col) {
113 const MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col];
114 if (!is_inter_block(this_mbmi)) sub8x8_inter = 0;
115 if (is_intrabc_block(this_mbmi)) sub8x8_inter = 0;
116 }
117 }
118 }
119
120 if (sub8x8_inter) {
121 // block size
122 const int b4_w = block_size_wide[bsize] >> ss_x;
123 const int b4_h = block_size_high[bsize] >> ss_y;
124 const BLOCK_SIZE plane_bsize = scale_chroma_bsize(bsize, ss_x, ss_y);
125 const int b8_w = block_size_wide[plane_bsize] >> ss_x;
126 const int b8_h = block_size_high[plane_bsize] >> ss_y;
127 assert(!is_compound);
128
129 const struct buf_2d orig_pred_buf[2] = { pd->pre[0], pd->pre[1] };
130
131 int row = row_start;
132 for (int y = 0; y < b8_h; y += b4_h) {
133 int col = col_start;
134 for (int x = 0; x < b8_w; x += b4_w) {
135 MB_MODE_INFO *this_mbmi = xd->mi[row * xd->mi_stride + col];
136 is_compound = has_second_ref(this_mbmi);
137 int tmp_dst_stride = 8;
138 assert(bw < 8 || bh < 8);
139 ConvolveParams conv_params = get_conv_params_no_round(
140 0, plane, xd->tmp_conv_dst, tmp_dst_stride, is_compound, xd->bd);
141 conv_params.use_jnt_comp_avg = 0;
142 struct buf_2d *const dst_buf = &pd->dst;
143 uint8_t *dst = dst_buf->buf + dst_buf->stride * y + x;
144
145 ref = 0;
146 const RefBuffer *ref_buf =
147 &cm->frame_refs[this_mbmi->ref_frame[ref] - LAST_FRAME];
148
149 pd->pre[ref].buf0 =
150 (plane == 1) ? ref_buf->buf->u_buffer : ref_buf->buf->v_buffer;
151 pd->pre[ref].buf =
152 pd->pre[ref].buf0 + scaled_buffer_offset(pre_x, pre_y,
153 ref_buf->buf->uv_stride,
154 &ref_buf->sf);
155 pd->pre[ref].width = ref_buf->buf->uv_crop_width;
156 pd->pre[ref].height = ref_buf->buf->uv_crop_height;
157 pd->pre[ref].stride = ref_buf->buf->uv_stride;
158
159 const struct scale_factors *const sf =
160 is_intrabc ? &cm->sf_identity : &ref_buf->sf;
161 struct buf_2d *const pre_buf = is_intrabc ? dst_buf : &pd->pre[ref];
162
163 const MV mv = this_mbmi->mv[ref].as_mv;
164
165 uint8_t *pre;
166 SubpelParams subpel_params;
167 WarpTypesAllowed warp_types;
168 warp_types.global_warp_allowed = is_global[ref];
169 warp_types.local_warp_allowed = this_mbmi->motion_mode == WARPED_CAUSAL;
170
171 calc_subpel_params(xd, sf, mv, plane, pre_x, pre_y, x, y, pre_buf, &pre,
172 &subpel_params, bw, bh);
173 conv_params.do_average = ref;
174 if (is_masked_compound_type(mi->interinter_comp.type)) {
175 // masked compound type has its own average mechanism
176 conv_params.do_average = 0;
177 }
178
179 av1_make_inter_predictor(
180 pre, pre_buf->stride, dst, dst_buf->stride, &subpel_params, sf,
181 b4_w, b4_h, &conv_params, this_mbmi->interp_filters, &warp_types,
182 (mi_x >> pd->subsampling_x) + x, (mi_y >> pd->subsampling_y) + y,
183 plane, ref, mi, build_for_obmc, xd, cm->allow_warped_motion);
184
185 ++col;
186 }
187 ++row;
188 }
189
190 for (ref = 0; ref < 2; ++ref) pd->pre[ref] = orig_pred_buf[ref];
191 return;
192 }
193
194 {
195 ConvolveParams conv_params = get_conv_params_no_round(
196 0, plane, xd->tmp_conv_dst, MAX_SB_SIZE, is_compound, xd->bd);
197 av1_jnt_comp_weight_assign(cm, mi, 0, &conv_params.fwd_offset,
198 &conv_params.bck_offset,
199 &conv_params.use_jnt_comp_avg, is_compound);
200
201 struct buf_2d *const dst_buf = &pd->dst;
202 uint8_t *const dst = dst_buf->buf;
203 for (ref = 0; ref < 1 + is_compound; ++ref) {
204 const struct scale_factors *const sf =
205 is_intrabc ? &cm->sf_identity : &xd->block_refs[ref]->sf;
206 struct buf_2d *const pre_buf = is_intrabc ? dst_buf : &pd->pre[ref];
207 const MV mv = mi->mv[ref].as_mv;
208
209 uint8_t *pre;
210 SubpelParams subpel_params;
211 calc_subpel_params(xd, sf, mv, plane, pre_x, pre_y, 0, 0, pre_buf, &pre,
212 &subpel_params, bw, bh);
213
214 WarpTypesAllowed warp_types;
215 warp_types.global_warp_allowed = is_global[ref];
216 warp_types.local_warp_allowed = mi->motion_mode == WARPED_CAUSAL;
217
218 if (ref && is_masked_compound_type(mi->interinter_comp.type)) {
219 // masked compound type has its own average mechanism
220 conv_params.do_average = 0;
221 av1_make_masked_inter_predictor(
222 pre, pre_buf->stride, dst, dst_buf->stride, &subpel_params, sf, bw,
223 bh, &conv_params, mi->interp_filters, plane, &warp_types,
224 mi_x >> pd->subsampling_x, mi_y >> pd->subsampling_y, ref, xd,
225 cm->allow_warped_motion);
226 } else {
227 conv_params.do_average = ref;
228 av1_make_inter_predictor(
229 pre, pre_buf->stride, dst, dst_buf->stride, &subpel_params, sf, bw,
230 bh, &conv_params, mi->interp_filters, &warp_types,
231 mi_x >> pd->subsampling_x, mi_y >> pd->subsampling_y, plane, ref,
232 mi, build_for_obmc, xd, cm->allow_warped_motion);
233 }
234 }
235 }
236 }
237
build_inter_predictors_for_planes(const AV1_COMMON * cm,MACROBLOCKD * xd,BLOCK_SIZE bsize,int mi_row,int mi_col,int plane_from,int plane_to)238 static void build_inter_predictors_for_planes(const AV1_COMMON *cm,
239 MACROBLOCKD *xd, BLOCK_SIZE bsize,
240 int mi_row, int mi_col,
241 int plane_from, int plane_to) {
242 int plane;
243 const int mi_x = mi_col * MI_SIZE;
244 const int mi_y = mi_row * MI_SIZE;
245 for (plane = plane_from; plane <= plane_to; ++plane) {
246 const struct macroblockd_plane *pd = &xd->plane[plane];
247 const int bw = pd->width;
248 const int bh = pd->height;
249
250 if (!is_chroma_reference(mi_row, mi_col, bsize, pd->subsampling_x,
251 pd->subsampling_y))
252 continue;
253
254 build_inter_predictors(cm, xd, plane, xd->mi[0], 0, bw, bh, mi_x, mi_y);
255 }
256 }
257
av1_build_inter_predictors_sby(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,BUFFER_SET * ctx,BLOCK_SIZE bsize)258 void av1_build_inter_predictors_sby(const AV1_COMMON *cm, MACROBLOCKD *xd,
259 int mi_row, int mi_col, BUFFER_SET *ctx,
260 BLOCK_SIZE bsize) {
261 av1_build_inter_predictors_sbp(cm, xd, mi_row, mi_col, ctx, bsize, 0);
262 }
263
av1_build_inter_predictors_sbuv(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,BUFFER_SET * ctx,BLOCK_SIZE bsize)264 void av1_build_inter_predictors_sbuv(const AV1_COMMON *cm, MACROBLOCKD *xd,
265 int mi_row, int mi_col, BUFFER_SET *ctx,
266 BLOCK_SIZE bsize) {
267 for (int plane_idx = 1; plane_idx < MAX_MB_PLANE; plane_idx++) {
268 av1_build_inter_predictors_sbp(cm, xd, mi_row, mi_col, ctx, bsize,
269 plane_idx);
270 }
271 }
272
av1_build_inter_predictors_sbp(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,BUFFER_SET * ctx,BLOCK_SIZE bsize,int plane_idx)273 void av1_build_inter_predictors_sbp(const AV1_COMMON *cm, MACROBLOCKD *xd,
274 int mi_row, int mi_col, BUFFER_SET *ctx,
275 BLOCK_SIZE bsize, int plane_idx) {
276 build_inter_predictors_for_planes(cm, xd, bsize, mi_row, mi_col, plane_idx,
277 plane_idx);
278
279 if (is_interintra_pred(xd->mi[0])) {
280 BUFFER_SET default_ctx = { { NULL, NULL, NULL }, { 0, 0, 0 } };
281 if (!ctx) {
282 default_ctx.plane[plane_idx] = xd->plane[plane_idx].dst.buf;
283 default_ctx.stride[plane_idx] = xd->plane[plane_idx].dst.stride;
284 ctx = &default_ctx;
285 }
286 av1_build_interintra_predictors_sbp(cm, xd, xd->plane[plane_idx].dst.buf,
287 xd->plane[plane_idx].dst.stride, ctx,
288 plane_idx, bsize);
289 }
290 }
291
av1_build_inter_predictors_sb(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,BUFFER_SET * ctx,BLOCK_SIZE bsize)292 void av1_build_inter_predictors_sb(const AV1_COMMON *cm, MACROBLOCKD *xd,
293 int mi_row, int mi_col, BUFFER_SET *ctx,
294 BLOCK_SIZE bsize) {
295 const int num_planes = av1_num_planes(cm);
296 av1_build_inter_predictors_sby(cm, xd, mi_row, mi_col, ctx, bsize);
297 if (num_planes > 1)
298 av1_build_inter_predictors_sbuv(cm, xd, mi_row, mi_col, ctx, bsize);
299 }
300
301 // TODO(sarahparker):
302 // av1_build_inter_predictor should be combined with
303 // av1_make_inter_predictor
av1_build_inter_predictor(const uint8_t * src,int src_stride,uint8_t * dst,int dst_stride,const MV * src_mv,const struct scale_factors * sf,int w,int h,ConvolveParams * conv_params,InterpFilters interp_filters,const WarpTypesAllowed * warp_types,int p_col,int p_row,int plane,int ref,enum mv_precision precision,int x,int y,const MACROBLOCKD * xd,int can_use_previous)304 void av1_build_inter_predictor(const uint8_t *src, int src_stride, uint8_t *dst,
305 int dst_stride, const MV *src_mv,
306 const struct scale_factors *sf, int w, int h,
307 ConvolveParams *conv_params,
308 InterpFilters interp_filters,
309 const WarpTypesAllowed *warp_types, int p_col,
310 int p_row, int plane, int ref,
311 enum mv_precision precision, int x, int y,
312 const MACROBLOCKD *xd, int can_use_previous) {
313 const int is_q4 = precision == MV_PRECISION_Q4;
314 const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2,
315 is_q4 ? src_mv->col : src_mv->col * 2 };
316 MV32 mv = av1_scale_mv(&mv_q4, x, y, sf);
317 mv.col += SCALE_EXTRA_OFF;
318 mv.row += SCALE_EXTRA_OFF;
319
320 const SubpelParams subpel_params = { sf->x_step_q4, sf->y_step_q4,
321 mv.col & SCALE_SUBPEL_MASK,
322 mv.row & SCALE_SUBPEL_MASK };
323 src += (mv.row >> SCALE_SUBPEL_BITS) * src_stride +
324 (mv.col >> SCALE_SUBPEL_BITS);
325
326 av1_make_inter_predictor(src, src_stride, dst, dst_stride, &subpel_params, sf,
327 w, h, conv_params, interp_filters, warp_types, p_col,
328 p_row, plane, ref, xd->mi[0], 0, xd,
329 can_use_previous);
330 }
331
build_prediction_by_above_pred(MACROBLOCKD * xd,int rel_mi_col,uint8_t above_mi_width,MB_MODE_INFO * above_mbmi,void * fun_ctxt,const int num_planes)332 static INLINE void build_prediction_by_above_pred(
333 MACROBLOCKD *xd, int rel_mi_col, uint8_t above_mi_width,
334 MB_MODE_INFO *above_mbmi, void *fun_ctxt, const int num_planes) {
335 struct build_prediction_ctxt *ctxt = (struct build_prediction_ctxt *)fun_ctxt;
336 const int above_mi_col = ctxt->mi_col + rel_mi_col;
337 int mi_x, mi_y;
338 MB_MODE_INFO backup_mbmi = *above_mbmi;
339
340 av1_setup_build_prediction_by_above_pred(xd, rel_mi_col, above_mi_width,
341 above_mbmi, ctxt, num_planes);
342 mi_x = above_mi_col << MI_SIZE_LOG2;
343 mi_y = ctxt->mi_row << MI_SIZE_LOG2;
344
345 const BLOCK_SIZE bsize = xd->mi[0]->sb_type;
346
347 for (int j = 0; j < num_planes; ++j) {
348 const struct macroblockd_plane *pd = &xd->plane[j];
349 int bw = (above_mi_width * MI_SIZE) >> pd->subsampling_x;
350 int bh = clamp(block_size_high[bsize] >> (pd->subsampling_y + 1), 4,
351 block_size_high[BLOCK_64X64] >> (pd->subsampling_y + 1));
352
353 if (av1_skip_u4x4_pred_in_obmc(bsize, pd, 0)) continue;
354 build_inter_predictors(ctxt->cm, xd, j, above_mbmi, 1, bw, bh, mi_x, mi_y);
355 }
356 *above_mbmi = backup_mbmi;
357 }
358
av1_build_prediction_by_above_preds(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,uint8_t * tmp_buf[MAX_MB_PLANE],int tmp_width[MAX_MB_PLANE],int tmp_height[MAX_MB_PLANE],int tmp_stride[MAX_MB_PLANE])359 void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
360 int mi_row, int mi_col,
361 uint8_t *tmp_buf[MAX_MB_PLANE],
362 int tmp_width[MAX_MB_PLANE],
363 int tmp_height[MAX_MB_PLANE],
364 int tmp_stride[MAX_MB_PLANE]) {
365 if (!xd->up_available) return;
366
367 // Adjust mb_to_bottom_edge to have the correct value for the OBMC
368 // prediction block. This is half the height of the original block,
369 // except for 128-wide blocks, where we only use a height of 32.
370 int this_height = xd->n4_h * MI_SIZE;
371 int pred_height = AOMMIN(this_height / 2, 32);
372 xd->mb_to_bottom_edge += (this_height - pred_height) * 8;
373
374 struct build_prediction_ctxt ctxt = { cm, mi_row,
375 mi_col, tmp_buf,
376 tmp_width, tmp_height,
377 tmp_stride, xd->mb_to_right_edge };
378 BLOCK_SIZE bsize = xd->mi[0]->sb_type;
379 foreach_overlappable_nb_above(cm, xd, mi_col,
380 max_neighbor_obmc[mi_size_wide_log2[bsize]],
381 build_prediction_by_above_pred, &ctxt);
382
383 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
384 xd->mb_to_right_edge = ctxt.mb_to_far_edge;
385 xd->mb_to_bottom_edge -= (this_height - pred_height) * 8;
386 }
387
build_prediction_by_left_pred(MACROBLOCKD * xd,int rel_mi_row,uint8_t left_mi_height,MB_MODE_INFO * left_mbmi,void * fun_ctxt,const int num_planes)388 static INLINE void build_prediction_by_left_pred(
389 MACROBLOCKD *xd, int rel_mi_row, uint8_t left_mi_height,
390 MB_MODE_INFO *left_mbmi, void *fun_ctxt, const int num_planes) {
391 struct build_prediction_ctxt *ctxt = (struct build_prediction_ctxt *)fun_ctxt;
392 const int left_mi_row = ctxt->mi_row + rel_mi_row;
393 int mi_x, mi_y;
394 MB_MODE_INFO backup_mbmi = *left_mbmi;
395
396 av1_setup_build_prediction_by_left_pred(xd, rel_mi_row, left_mi_height,
397 left_mbmi, ctxt, num_planes);
398 mi_x = ctxt->mi_col << MI_SIZE_LOG2;
399 mi_y = left_mi_row << MI_SIZE_LOG2;
400 const BLOCK_SIZE bsize = xd->mi[0]->sb_type;
401
402 for (int j = 0; j < num_planes; ++j) {
403 const struct macroblockd_plane *pd = &xd->plane[j];
404 int bw = clamp(block_size_wide[bsize] >> (pd->subsampling_x + 1), 4,
405 block_size_wide[BLOCK_64X64] >> (pd->subsampling_x + 1));
406 int bh = (left_mi_height << MI_SIZE_LOG2) >> pd->subsampling_y;
407
408 if (av1_skip_u4x4_pred_in_obmc(bsize, pd, 1)) continue;
409 build_inter_predictors(ctxt->cm, xd, j, left_mbmi, 1, bw, bh, mi_x, mi_y);
410 }
411 *left_mbmi = backup_mbmi;
412 }
413
av1_build_prediction_by_left_preds(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col,uint8_t * tmp_buf[MAX_MB_PLANE],int tmp_width[MAX_MB_PLANE],int tmp_height[MAX_MB_PLANE],int tmp_stride[MAX_MB_PLANE])414 void av1_build_prediction_by_left_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
415 int mi_row, int mi_col,
416 uint8_t *tmp_buf[MAX_MB_PLANE],
417 int tmp_width[MAX_MB_PLANE],
418 int tmp_height[MAX_MB_PLANE],
419 int tmp_stride[MAX_MB_PLANE]) {
420 if (!xd->left_available) return;
421
422 // Adjust mb_to_right_edge to have the correct value for the OBMC
423 // prediction block. This is half the width of the original block,
424 // except for 128-wide blocks, where we only use a width of 32.
425 int this_width = xd->n4_w * MI_SIZE;
426 int pred_width = AOMMIN(this_width / 2, 32);
427 xd->mb_to_right_edge += (this_width - pred_width) * 8;
428
429 struct build_prediction_ctxt ctxt = { cm, mi_row,
430 mi_col, tmp_buf,
431 tmp_width, tmp_height,
432 tmp_stride, xd->mb_to_bottom_edge };
433 BLOCK_SIZE bsize = xd->mi[0]->sb_type;
434 foreach_overlappable_nb_left(cm, xd, mi_row,
435 max_neighbor_obmc[mi_size_high_log2[bsize]],
436 build_prediction_by_left_pred, &ctxt);
437
438 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
439 xd->mb_to_right_edge -= (this_width - pred_width) * 8;
440 xd->mb_to_bottom_edge = ctxt.mb_to_far_edge;
441 }
442
av1_build_obmc_inter_predictors_sb(const AV1_COMMON * cm,MACROBLOCKD * xd,int mi_row,int mi_col)443 void av1_build_obmc_inter_predictors_sb(const AV1_COMMON *cm, MACROBLOCKD *xd,
444 int mi_row, int mi_col) {
445 const int num_planes = av1_num_planes(cm);
446 uint8_t *dst_buf1[MAX_MB_PLANE], *dst_buf2[MAX_MB_PLANE];
447 int dst_stride1[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
448 int dst_stride2[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
449 int dst_width1[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
450 int dst_width2[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
451 int dst_height1[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
452 int dst_height2[MAX_MB_PLANE] = { MAX_SB_SIZE, MAX_SB_SIZE, MAX_SB_SIZE };
453
454 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
455 int len = sizeof(uint16_t);
456 dst_buf1[0] = CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[0]);
457 dst_buf1[1] =
458 CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[0] + MAX_SB_SQUARE * len);
459 dst_buf1[2] =
460 CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[0] + MAX_SB_SQUARE * 2 * len);
461 dst_buf2[0] = CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[1]);
462 dst_buf2[1] =
463 CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[1] + MAX_SB_SQUARE * len);
464 dst_buf2[2] =
465 CONVERT_TO_BYTEPTR(xd->tmp_obmc_bufs[1] + MAX_SB_SQUARE * 2 * len);
466 } else {
467 dst_buf1[0] = xd->tmp_obmc_bufs[0];
468 dst_buf1[1] = xd->tmp_obmc_bufs[0] + MAX_SB_SQUARE;
469 dst_buf1[2] = xd->tmp_obmc_bufs[0] + MAX_SB_SQUARE * 2;
470 dst_buf2[0] = xd->tmp_obmc_bufs[1];
471 dst_buf2[1] = xd->tmp_obmc_bufs[1] + MAX_SB_SQUARE;
472 dst_buf2[2] = xd->tmp_obmc_bufs[1] + MAX_SB_SQUARE * 2;
473 }
474 av1_build_prediction_by_above_preds(cm, xd, mi_row, mi_col, dst_buf1,
475 dst_width1, dst_height1, dst_stride1);
476 av1_build_prediction_by_left_preds(cm, xd, mi_row, mi_col, dst_buf2,
477 dst_width2, dst_height2, dst_stride2);
478 av1_setup_dst_planes(xd->plane, xd->mi[0]->sb_type, get_frame_new_buffer(cm),
479 mi_row, mi_col, 0, num_planes);
480 av1_build_obmc_inter_prediction(cm, xd, mi_row, mi_col, dst_buf1, dst_stride1,
481 dst_buf2, dst_stride2);
482 }
483
484 // Builds the inter-predictor for the single ref case
485 // for use in the encoder to search the wedges efficiently.
build_inter_predictors_single_buf(MACROBLOCKD * xd,int plane,int bw,int bh,int x,int y,int w,int h,int mi_x,int mi_y,int ref,uint8_t * const ext_dst,int ext_dst_stride,int can_use_previous)486 static void build_inter_predictors_single_buf(MACROBLOCKD *xd, int plane,
487 int bw, int bh, int x, int y,
488 int w, int h, int mi_x, int mi_y,
489 int ref, uint8_t *const ext_dst,
490 int ext_dst_stride,
491 int can_use_previous) {
492 struct macroblockd_plane *const pd = &xd->plane[plane];
493 const MB_MODE_INFO *mi = xd->mi[0];
494
495 const struct scale_factors *const sf = &xd->block_refs[ref]->sf;
496 struct buf_2d *const pre_buf = &pd->pre[ref];
497 uint8_t *const dst = get_buf_by_bd(xd, ext_dst) + ext_dst_stride * y + x;
498 const MV mv = mi->mv[ref].as_mv;
499
500 ConvolveParams conv_params = get_conv_params(0, plane, xd->bd);
501 WarpTypesAllowed warp_types;
502 const WarpedMotionParams *const wm = &xd->global_motion[mi->ref_frame[ref]];
503 warp_types.global_warp_allowed = is_global_mv_block(mi, wm->wmtype);
504 warp_types.local_warp_allowed = mi->motion_mode == WARPED_CAUSAL;
505 const int pre_x = (mi_x) >> pd->subsampling_x;
506 const int pre_y = (mi_y) >> pd->subsampling_y;
507 uint8_t *pre;
508 SubpelParams subpel_params;
509 calc_subpel_params(xd, sf, mv, plane, pre_x, pre_y, x, y, pre_buf, &pre,
510 &subpel_params, bw, bh);
511
512 av1_make_inter_predictor(pre, pre_buf->stride, dst, ext_dst_stride,
513 &subpel_params, sf, w, h, &conv_params,
514 mi->interp_filters, &warp_types, pre_x + x,
515 pre_y + y, plane, ref, mi, 0, xd, can_use_previous);
516 }
517
av1_build_inter_predictors_for_planes_single_buf(MACROBLOCKD * xd,BLOCK_SIZE bsize,int plane_from,int plane_to,int mi_row,int mi_col,int ref,uint8_t * ext_dst[3],int ext_dst_stride[3],int can_use_previous)518 void av1_build_inter_predictors_for_planes_single_buf(
519 MACROBLOCKD *xd, BLOCK_SIZE bsize, int plane_from, int plane_to, int mi_row,
520 int mi_col, int ref, uint8_t *ext_dst[3], int ext_dst_stride[3],
521 int can_use_previous) {
522 int plane;
523 const int mi_x = mi_col * MI_SIZE;
524 const int mi_y = mi_row * MI_SIZE;
525 for (plane = plane_from; plane <= plane_to; ++plane) {
526 const BLOCK_SIZE plane_bsize = get_plane_block_size(
527 bsize, xd->plane[plane].subsampling_x, xd->plane[plane].subsampling_y);
528 const int bw = block_size_wide[plane_bsize];
529 const int bh = block_size_high[plane_bsize];
530 build_inter_predictors_single_buf(xd, plane, bw, bh, 0, 0, bw, bh, mi_x,
531 mi_y, ref, ext_dst[plane],
532 ext_dst_stride[plane], can_use_previous);
533 }
534 }
535
build_masked_compound(uint8_t * dst,int dst_stride,const uint8_t * src0,int src0_stride,const uint8_t * src1,int src1_stride,const INTERINTER_COMPOUND_DATA * const comp_data,BLOCK_SIZE sb_type,int h,int w)536 static void build_masked_compound(
537 uint8_t *dst, int dst_stride, const uint8_t *src0, int src0_stride,
538 const uint8_t *src1, int src1_stride,
539 const INTERINTER_COMPOUND_DATA *const comp_data, BLOCK_SIZE sb_type, int h,
540 int w) {
541 // Derive subsampling from h and w passed in. May be refactored to
542 // pass in subsampling factors directly.
543 const int subh = (2 << mi_size_high_log2[sb_type]) == h;
544 const int subw = (2 << mi_size_wide_log2[sb_type]) == w;
545 const uint8_t *mask = av1_get_compound_type_mask(comp_data, sb_type);
546 aom_blend_a64_mask(dst, dst_stride, src0, src0_stride, src1, src1_stride,
547 mask, block_size_wide[sb_type], w, h, subw, subh);
548 }
549
build_masked_compound_highbd(uint8_t * dst_8,int dst_stride,const uint8_t * src0_8,int src0_stride,const uint8_t * src1_8,int src1_stride,const INTERINTER_COMPOUND_DATA * const comp_data,BLOCK_SIZE sb_type,int h,int w,int bd)550 static void build_masked_compound_highbd(
551 uint8_t *dst_8, int dst_stride, const uint8_t *src0_8, int src0_stride,
552 const uint8_t *src1_8, int src1_stride,
553 const INTERINTER_COMPOUND_DATA *const comp_data, BLOCK_SIZE sb_type, int h,
554 int w, int bd) {
555 // Derive subsampling from h and w passed in. May be refactored to
556 // pass in subsampling factors directly.
557 const int subh = (2 << mi_size_high_log2[sb_type]) == h;
558 const int subw = (2 << mi_size_wide_log2[sb_type]) == w;
559 const uint8_t *mask = av1_get_compound_type_mask(comp_data, sb_type);
560 // const uint8_t *mask =
561 // av1_get_contiguous_soft_mask(wedge_index, wedge_sign, sb_type);
562 aom_highbd_blend_a64_mask(dst_8, dst_stride, src0_8, src0_stride, src1_8,
563 src1_stride, mask, block_size_wide[sb_type], w, h,
564 subw, subh, bd);
565 }
566
build_wedge_inter_predictor_from_buf(MACROBLOCKD * xd,int plane,int x,int y,int w,int h,uint8_t * ext_dst0,int ext_dst_stride0,uint8_t * ext_dst1,int ext_dst_stride1)567 static void build_wedge_inter_predictor_from_buf(
568 MACROBLOCKD *xd, int plane, int x, int y, int w, int h, uint8_t *ext_dst0,
569 int ext_dst_stride0, uint8_t *ext_dst1, int ext_dst_stride1) {
570 MB_MODE_INFO *const mbmi = xd->mi[0];
571 const int is_compound = has_second_ref(mbmi);
572 MACROBLOCKD_PLANE *const pd = &xd->plane[plane];
573 struct buf_2d *const dst_buf = &pd->dst;
574 uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x;
575 mbmi->interinter_comp.seg_mask = xd->seg_mask;
576 const INTERINTER_COMPOUND_DATA *comp_data = &mbmi->interinter_comp;
577
578 if (is_compound && is_masked_compound_type(comp_data->type)) {
579 if (!plane && comp_data->type == COMPOUND_DIFFWTD) {
580 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
581 av1_build_compound_diffwtd_mask_highbd(
582 comp_data->seg_mask, comp_data->mask_type,
583 CONVERT_TO_BYTEPTR(ext_dst0), ext_dst_stride0,
584 CONVERT_TO_BYTEPTR(ext_dst1), ext_dst_stride1, h, w, xd->bd);
585 else
586 av1_build_compound_diffwtd_mask(
587 comp_data->seg_mask, comp_data->mask_type, ext_dst0,
588 ext_dst_stride0, ext_dst1, ext_dst_stride1, h, w);
589 }
590
591 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
592 build_masked_compound_highbd(
593 dst, dst_buf->stride, CONVERT_TO_BYTEPTR(ext_dst0), ext_dst_stride0,
594 CONVERT_TO_BYTEPTR(ext_dst1), ext_dst_stride1, comp_data,
595 mbmi->sb_type, h, w, xd->bd);
596 else
597 build_masked_compound(dst, dst_buf->stride, ext_dst0, ext_dst_stride0,
598 ext_dst1, ext_dst_stride1, comp_data, mbmi->sb_type,
599 h, w);
600 } else {
601 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
602 aom_highbd_convolve_copy(CONVERT_TO_BYTEPTR(ext_dst0), ext_dst_stride0,
603 dst, dst_buf->stride, NULL, 0, NULL, 0, w, h,
604 xd->bd);
605 else
606 aom_convolve_copy(ext_dst0, ext_dst_stride0, dst, dst_buf->stride, NULL,
607 0, NULL, 0, w, h);
608 }
609 }
610
av1_build_wedge_inter_predictor_from_buf(MACROBLOCKD * xd,BLOCK_SIZE bsize,int plane_from,int plane_to,uint8_t * ext_dst0[3],int ext_dst_stride0[3],uint8_t * ext_dst1[3],int ext_dst_stride1[3])611 void av1_build_wedge_inter_predictor_from_buf(MACROBLOCKD *xd, BLOCK_SIZE bsize,
612 int plane_from, int plane_to,
613 uint8_t *ext_dst0[3],
614 int ext_dst_stride0[3],
615 uint8_t *ext_dst1[3],
616 int ext_dst_stride1[3]) {
617 int plane;
618 for (plane = plane_from; plane <= plane_to; ++plane) {
619 const BLOCK_SIZE plane_bsize = get_plane_block_size(
620 bsize, xd->plane[plane].subsampling_x, xd->plane[plane].subsampling_y);
621 const int bw = block_size_wide[plane_bsize];
622 const int bh = block_size_high[plane_bsize];
623 build_wedge_inter_predictor_from_buf(
624 xd, plane, 0, 0, bw, bh, ext_dst0[plane], ext_dst_stride0[plane],
625 ext_dst1[plane], ext_dst_stride1[plane]);
626 }
627 }
628