/src/aom/av1/decoder/decodemv.c
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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 | | |
14 | | #include "av1/common/cfl.h" |
15 | | #include "av1/common/common.h" |
16 | | #include "av1/common/entropy.h" |
17 | | #include "av1/common/entropymode.h" |
18 | | #include "av1/common/entropymv.h" |
19 | | #include "av1/common/mvref_common.h" |
20 | | #include "av1/common/pred_common.h" |
21 | | #include "av1/common/reconinter.h" |
22 | | #include "av1/common/reconintra.h" |
23 | | #include "av1/common/seg_common.h" |
24 | | #include "av1/common/warped_motion.h" |
25 | | |
26 | | #include "av1/decoder/decodeframe.h" |
27 | | #include "av1/decoder/decodemv.h" |
28 | | |
29 | | #include "aom_dsp/aom_dsp_common.h" |
30 | | #include "aom_ports/bitops.h" |
31 | | |
32 | | #define ACCT_STR __func__ |
33 | | |
34 | | #define DEC_MISMATCH_DEBUG 0 |
35 | | |
36 | 10.9M | static PREDICTION_MODE read_intra_mode(aom_reader *r, aom_cdf_prob *cdf) { |
37 | 10.9M | return (PREDICTION_MODE)aom_read_symbol(r, cdf, INTRA_MODES, ACCT_STR); |
38 | 10.9M | } |
39 | | |
40 | 15.6M | static void read_cdef(AV1_COMMON *cm, aom_reader *r, MACROBLOCKD *const xd) { |
41 | 15.6M | const int skip_txfm = xd->mi[0]->skip_txfm; |
42 | 15.6M | if (cm->features.coded_lossless) return; |
43 | 15.5M | if (cm->features.allow_intrabc) { |
44 | 1.88M | assert(cm->cdef_info.cdef_bits == 0); |
45 | 1.88M | return; |
46 | 1.88M | } |
47 | | |
48 | | // At the start of a superblock, mark that we haven't yet read CDEF strengths |
49 | | // for any of the CDEF units contained in this superblock. |
50 | 13.6M | const int sb_mask = (cm->seq_params->mib_size - 1); |
51 | 13.6M | const int mi_row_in_sb = (xd->mi_row & sb_mask); |
52 | 13.6M | const int mi_col_in_sb = (xd->mi_col & sb_mask); |
53 | 13.6M | if (mi_row_in_sb == 0 && mi_col_in_sb == 0) { |
54 | 1.05M | xd->cdef_transmitted[0] = xd->cdef_transmitted[1] = |
55 | 1.05M | xd->cdef_transmitted[2] = xd->cdef_transmitted[3] = false; |
56 | 1.05M | } |
57 | | |
58 | | // CDEF unit size is 64x64 irrespective of the superblock size. |
59 | 13.6M | const int cdef_size = 1 << (6 - MI_SIZE_LOG2); |
60 | | |
61 | | // Find index of this CDEF unit in this superblock. |
62 | 13.6M | const int index_mask = cdef_size; |
63 | 13.6M | const int cdef_unit_row_in_sb = ((xd->mi_row & index_mask) != 0); |
64 | 13.6M | const int cdef_unit_col_in_sb = ((xd->mi_col & index_mask) != 0); |
65 | 13.6M | const int index = (cm->seq_params->sb_size == BLOCK_128X128) |
66 | 13.6M | ? cdef_unit_col_in_sb + 2 * cdef_unit_row_in_sb |
67 | 13.6M | : 0; |
68 | | |
69 | | // Read CDEF strength from the first non-skip coding block in this CDEF unit. |
70 | 13.6M | if (!xd->cdef_transmitted[index] && !skip_txfm) { |
71 | | // CDEF strength for this CDEF unit needs to be read into the MB_MODE_INFO |
72 | | // of the 1st block in this CDEF unit. |
73 | 909k | const int first_block_mask = ~(cdef_size - 1); |
74 | 909k | CommonModeInfoParams *const mi_params = &cm->mi_params; |
75 | 909k | const int grid_idx = |
76 | 909k | get_mi_grid_idx(mi_params, xd->mi_row & first_block_mask, |
77 | 909k | xd->mi_col & first_block_mask); |
78 | 909k | MB_MODE_INFO *const mbmi = mi_params->mi_grid_base[grid_idx]; |
79 | 909k | mbmi->cdef_strength = |
80 | 909k | aom_read_literal(r, cm->cdef_info.cdef_bits, ACCT_STR); |
81 | 909k | xd->cdef_transmitted[index] = true; |
82 | 909k | } |
83 | 13.6M | } |
84 | | |
85 | | static int read_delta_qindex(AV1_COMMON *cm, const MACROBLOCKD *xd, |
86 | 2.16M | aom_reader *r, MB_MODE_INFO *const mbmi) { |
87 | 2.16M | int sign, abs, reduced_delta_qindex = 0; |
88 | 2.16M | BLOCK_SIZE bsize = mbmi->bsize; |
89 | 2.16M | const int b_col = xd->mi_col & (cm->seq_params->mib_size - 1); |
90 | 2.16M | const int b_row = xd->mi_row & (cm->seq_params->mib_size - 1); |
91 | 2.16M | const int read_delta_q_flag = (b_col == 0 && b_row == 0); |
92 | 2.16M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
93 | | |
94 | 2.16M | if ((bsize != cm->seq_params->sb_size || mbmi->skip_txfm == 0) && |
95 | 2.16M | read_delta_q_flag) { |
96 | 99.2k | abs = aom_read_symbol(r, ec_ctx->delta_q_cdf, DELTA_Q_PROBS + 1, ACCT_STR); |
97 | 99.2k | const int smallval = (abs < DELTA_Q_SMALL); |
98 | | |
99 | 99.2k | if (!smallval) { |
100 | 5.25k | const int rem_bits = aom_read_literal(r, 3, ACCT_STR) + 1; |
101 | 5.25k | const int thr = (1 << rem_bits) + 1; |
102 | 5.25k | abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; |
103 | 5.25k | } |
104 | | |
105 | 99.2k | if (abs) { |
106 | 17.6k | sign = aom_read_bit(r, ACCT_STR); |
107 | 81.6k | } else { |
108 | 81.6k | sign = 1; |
109 | 81.6k | } |
110 | | |
111 | 99.2k | reduced_delta_qindex = sign ? -abs : abs; |
112 | 99.2k | } |
113 | 2.16M | return reduced_delta_qindex; |
114 | 2.16M | } |
115 | | static int read_delta_lflevel(const AV1_COMMON *const cm, aom_reader *r, |
116 | | aom_cdf_prob *const cdf, |
117 | | const MB_MODE_INFO *const mbmi, int mi_col, |
118 | 1.29M | int mi_row) { |
119 | 1.29M | int reduced_delta_lflevel = 0; |
120 | 1.29M | const BLOCK_SIZE bsize = mbmi->bsize; |
121 | 1.29M | const int b_col = mi_col & (cm->seq_params->mib_size - 1); |
122 | 1.29M | const int b_row = mi_row & (cm->seq_params->mib_size - 1); |
123 | 1.29M | const int read_delta_lf_flag = (b_col == 0 && b_row == 0); |
124 | | |
125 | 1.29M | if ((bsize != cm->seq_params->sb_size || mbmi->skip_txfm == 0) && |
126 | 1.29M | read_delta_lf_flag) { |
127 | 94.9k | int abs = aom_read_symbol(r, cdf, DELTA_LF_PROBS + 1, ACCT_STR); |
128 | 94.9k | const int smallval = (abs < DELTA_LF_SMALL); |
129 | 94.9k | if (!smallval) { |
130 | 6.03k | const int rem_bits = aom_read_literal(r, 3, ACCT_STR) + 1; |
131 | 6.03k | const int thr = (1 << rem_bits) + 1; |
132 | 6.03k | abs = aom_read_literal(r, rem_bits, ACCT_STR) + thr; |
133 | 6.03k | } |
134 | 94.9k | const int sign = abs ? aom_read_bit(r, ACCT_STR) : 1; |
135 | 94.9k | reduced_delta_lflevel = sign ? -abs : abs; |
136 | 94.9k | } |
137 | 1.29M | return reduced_delta_lflevel; |
138 | 1.29M | } |
139 | | |
140 | | static UV_PREDICTION_MODE read_intra_mode_uv(FRAME_CONTEXT *ec_ctx, |
141 | | aom_reader *r, |
142 | | CFL_ALLOWED_TYPE cfl_allowed, |
143 | 9.87M | PREDICTION_MODE y_mode) { |
144 | 9.87M | const UV_PREDICTION_MODE uv_mode = |
145 | 9.87M | aom_read_symbol(r, ec_ctx->uv_mode_cdf[cfl_allowed][y_mode], |
146 | 9.87M | UV_INTRA_MODES - !cfl_allowed, ACCT_STR); |
147 | 9.87M | return uv_mode; |
148 | 9.87M | } |
149 | | |
150 | | static uint8_t read_cfl_alphas(FRAME_CONTEXT *const ec_ctx, aom_reader *r, |
151 | 1.54M | int8_t *signs_out) { |
152 | 1.54M | const int8_t joint_sign = |
153 | 1.54M | aom_read_symbol(r, ec_ctx->cfl_sign_cdf, CFL_JOINT_SIGNS, "cfl:signs"); |
154 | 1.54M | uint8_t idx = 0; |
155 | | // Magnitudes are only coded for nonzero values |
156 | 1.54M | if (CFL_SIGN_U(joint_sign) != CFL_SIGN_ZERO) { |
157 | 1.42M | aom_cdf_prob *cdf_u = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_U(joint_sign)]; |
158 | 1.42M | idx = (uint8_t)aom_read_symbol(r, cdf_u, CFL_ALPHABET_SIZE, "cfl:alpha_u") |
159 | 1.42M | << CFL_ALPHABET_SIZE_LOG2; |
160 | 1.42M | } |
161 | 1.54M | if (CFL_SIGN_V(joint_sign) != CFL_SIGN_ZERO) { |
162 | 1.10M | aom_cdf_prob *cdf_v = ec_ctx->cfl_alpha_cdf[CFL_CONTEXT_V(joint_sign)]; |
163 | 1.10M | idx += (uint8_t)aom_read_symbol(r, cdf_v, CFL_ALPHABET_SIZE, "cfl:alpha_v"); |
164 | 1.10M | } |
165 | 1.54M | *signs_out = joint_sign; |
166 | 1.54M | return idx; |
167 | 1.54M | } |
168 | | |
169 | | static INTERINTRA_MODE read_interintra_mode(MACROBLOCKD *xd, aom_reader *r, |
170 | 339k | int size_group) { |
171 | 339k | const INTERINTRA_MODE ii_mode = (INTERINTRA_MODE)aom_read_symbol( |
172 | 339k | r, xd->tile_ctx->interintra_mode_cdf[size_group], INTERINTRA_MODES, |
173 | 339k | ACCT_STR); |
174 | 339k | return ii_mode; |
175 | 339k | } |
176 | | |
177 | | static PREDICTION_MODE read_inter_mode(FRAME_CONTEXT *ec_ctx, aom_reader *r, |
178 | 3.33M | int16_t ctx) { |
179 | 3.33M | int16_t mode_ctx = ctx & NEWMV_CTX_MASK; |
180 | 3.33M | int is_newmv, is_zeromv, is_refmv; |
181 | 3.33M | is_newmv = aom_read_symbol(r, ec_ctx->newmv_cdf[mode_ctx], 2, ACCT_STR) == 0; |
182 | 3.33M | if (is_newmv) return NEWMV; |
183 | | |
184 | 1.41M | mode_ctx = (ctx >> GLOBALMV_OFFSET) & GLOBALMV_CTX_MASK; |
185 | 1.41M | is_zeromv = |
186 | 1.41M | aom_read_symbol(r, ec_ctx->zeromv_cdf[mode_ctx], 2, ACCT_STR) == 0; |
187 | 1.41M | if (is_zeromv) return GLOBALMV; |
188 | | |
189 | 1.20M | mode_ctx = (ctx >> REFMV_OFFSET) & REFMV_CTX_MASK; |
190 | 1.20M | is_refmv = aom_read_symbol(r, ec_ctx->refmv_cdf[mode_ctx], 2, ACCT_STR) == 0; |
191 | 1.20M | if (is_refmv) |
192 | 886k | return NEARESTMV; |
193 | 315k | else |
194 | 315k | return NEARMV; |
195 | 1.20M | } |
196 | | |
197 | | static void read_drl_idx(FRAME_CONTEXT *ec_ctx, DecoderCodingBlock *dcb, |
198 | 2.47M | MB_MODE_INFO *mbmi, aom_reader *r) { |
199 | 2.47M | MACROBLOCKD *const xd = &dcb->xd; |
200 | 2.47M | uint8_t ref_frame_type = av1_ref_frame_type(mbmi->ref_frame); |
201 | 2.47M | mbmi->ref_mv_idx = 0; |
202 | 2.47M | if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV) { |
203 | 3.76M | for (int idx = 0; idx < 2; ++idx) { |
204 | 3.03M | if (dcb->ref_mv_count[ref_frame_type] > idx + 1) { |
205 | 2.25M | uint8_t drl_ctx = av1_drl_ctx(xd->weight[ref_frame_type], idx); |
206 | 2.25M | int drl_idx = aom_read_symbol(r, ec_ctx->drl_cdf[drl_ctx], 2, ACCT_STR); |
207 | 2.25M | mbmi->ref_mv_idx = idx + drl_idx; |
208 | 2.25M | if (!drl_idx) return; |
209 | 2.25M | } |
210 | 3.03M | } |
211 | 2.01M | } |
212 | 1.19M | if (have_nearmv_in_inter_mode(mbmi->mode)) { |
213 | | // Offset the NEARESTMV mode. |
214 | | // TODO(jingning): Unify the two syntax decoding loops after the NEARESTMV |
215 | | // mode is factored in. |
216 | 1.15M | for (int idx = 1; idx < 3; ++idx) { |
217 | 819k | if (dcb->ref_mv_count[ref_frame_type] > idx + 1) { |
218 | 210k | uint8_t drl_ctx = av1_drl_ctx(xd->weight[ref_frame_type], idx); |
219 | 210k | int drl_idx = aom_read_symbol(r, ec_ctx->drl_cdf[drl_ctx], 2, ACCT_STR); |
220 | 210k | mbmi->ref_mv_idx = idx + drl_idx - 1; |
221 | 210k | if (!drl_idx) return; |
222 | 210k | } |
223 | 819k | } |
224 | 461k | } |
225 | 1.19M | } |
226 | | |
227 | | static MOTION_MODE read_motion_mode(AV1_COMMON *cm, MACROBLOCKD *xd, |
228 | 4.21M | MB_MODE_INFO *mbmi, aom_reader *r) { |
229 | 4.21M | if (cm->features.switchable_motion_mode == 0) return SIMPLE_TRANSLATION; |
230 | 3.71M | if (mbmi->skip_mode) return SIMPLE_TRANSLATION; |
231 | | |
232 | 3.67M | const MOTION_MODE last_motion_mode_allowed = motion_mode_allowed( |
233 | 3.67M | xd->global_motion, xd, mbmi, cm->features.allow_warped_motion); |
234 | 3.67M | int motion_mode; |
235 | | |
236 | 3.67M | if (last_motion_mode_allowed == SIMPLE_TRANSLATION) return SIMPLE_TRANSLATION; |
237 | | |
238 | 1.76M | if (last_motion_mode_allowed == OBMC_CAUSAL) { |
239 | 401k | motion_mode = |
240 | 401k | aom_read_symbol(r, xd->tile_ctx->obmc_cdf[mbmi->bsize], 2, ACCT_STR); |
241 | 401k | return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); |
242 | 1.36M | } else { |
243 | 1.36M | motion_mode = aom_read_symbol(r, xd->tile_ctx->motion_mode_cdf[mbmi->bsize], |
244 | 1.36M | MOTION_MODES, ACCT_STR); |
245 | 1.36M | return (MOTION_MODE)(SIMPLE_TRANSLATION + motion_mode); |
246 | 1.36M | } |
247 | 1.76M | } |
248 | | |
249 | | static PREDICTION_MODE read_inter_compound_mode(MACROBLOCKD *xd, aom_reader *r, |
250 | 524k | int16_t ctx) { |
251 | 524k | const int mode = |
252 | 524k | aom_read_symbol(r, xd->tile_ctx->inter_compound_mode_cdf[ctx], |
253 | 524k | INTER_COMPOUND_MODES, ACCT_STR); |
254 | 524k | assert(is_inter_compound_mode(NEAREST_NEARESTMV + mode)); |
255 | 524k | return NEAREST_NEARESTMV + mode; |
256 | 524k | } |
257 | | |
258 | 3.96M | int av1_neg_deinterleave(int diff, int ref, int max) { |
259 | 3.96M | if (!ref) return diff; |
260 | 3.04M | if (ref >= (max - 1)) return max - diff - 1; |
261 | 2.69M | if (2 * ref < max) { |
262 | 1.60M | if (diff <= 2 * ref) { |
263 | 1.39M | if (diff & 1) |
264 | 139k | return ref + ((diff + 1) >> 1); |
265 | 1.25M | else |
266 | 1.25M | return ref - (diff >> 1); |
267 | 1.39M | } |
268 | 204k | return diff; |
269 | 1.60M | } else { |
270 | 1.09M | if (diff <= 2 * (max - ref - 1)) { |
271 | 968k | if (diff & 1) |
272 | 90.1k | return ref + ((diff + 1) >> 1); |
273 | 878k | else |
274 | 878k | return ref - (diff >> 1); |
275 | 968k | } |
276 | 127k | return max - (diff + 1); |
277 | 1.09M | } |
278 | 2.69M | } |
279 | | |
280 | | static int read_segment_id(AV1_COMMON *const cm, const MACROBLOCKD *const xd, |
281 | 4.00M | aom_reader *r, int skip) { |
282 | 4.00M | int cdf_num; |
283 | 4.00M | const uint8_t pred = av1_get_spatial_seg_pred(cm, xd, &cdf_num, 0); |
284 | 4.00M | if (skip) return pred; |
285 | | |
286 | 3.96M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
287 | 3.96M | struct segmentation *const seg = &cm->seg; |
288 | 3.96M | struct segmentation_probs *const segp = &ec_ctx->seg; |
289 | 3.96M | aom_cdf_prob *pred_cdf = segp->spatial_pred_seg_cdf[cdf_num]; |
290 | 3.96M | const int coded_id = aom_read_symbol(r, pred_cdf, MAX_SEGMENTS, ACCT_STR); |
291 | 3.96M | const int segment_id = |
292 | 3.96M | av1_neg_deinterleave(coded_id, pred, seg->last_active_segid + 1); |
293 | | |
294 | 3.96M | if (segment_id < 0 || segment_id > seg->last_active_segid) { |
295 | 865 | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
296 | 865 | "Corrupted segment_ids"); |
297 | 865 | } |
298 | 3.96M | return segment_id; |
299 | 4.00M | } |
300 | | |
301 | | static int dec_get_segment_id(const AV1_COMMON *cm, const uint8_t *segment_ids, |
302 | 284k | int mi_offset, int x_mis, int y_mis) { |
303 | 284k | int segment_id = INT_MAX; |
304 | | |
305 | 1.82M | for (int y = 0; y < y_mis; y++) |
306 | 21.8M | for (int x = 0; x < x_mis; x++) |
307 | 20.3M | segment_id = AOMMIN( |
308 | 284k | segment_id, segment_ids[mi_offset + y * cm->mi_params.mi_cols + x]); |
309 | | |
310 | 284k | assert(segment_id >= 0 && segment_id < MAX_SEGMENTS); |
311 | 284k | return segment_id; |
312 | 284k | } |
313 | | |
314 | | static int read_intra_segment_id(AV1_COMMON *const cm, |
315 | | const MACROBLOCKD *const xd, BLOCK_SIZE bsize, |
316 | 9.25M | aom_reader *r, int skip) { |
317 | 9.25M | struct segmentation *const seg = &cm->seg; |
318 | 9.25M | if (!seg->enabled) return 0; // Default for disabled segmentation |
319 | 3.80M | assert(seg->update_map && !seg->temporal_update); |
320 | | |
321 | 3.80M | const CommonModeInfoParams *const mi_params = &cm->mi_params; |
322 | 3.80M | const int mi_row = xd->mi_row; |
323 | 3.80M | const int mi_col = xd->mi_col; |
324 | 3.80M | const int mi_stride = cm->mi_params.mi_cols; |
325 | 3.80M | const int mi_offset = mi_row * mi_stride + mi_col; |
326 | 3.80M | const int bw = mi_size_wide[bsize]; |
327 | 3.80M | const int bh = mi_size_high[bsize]; |
328 | 3.80M | const int x_mis = AOMMIN(mi_params->mi_cols - mi_col, bw); |
329 | 3.80M | const int y_mis = AOMMIN(mi_params->mi_rows - mi_row, bh); |
330 | 3.80M | const int segment_id = read_segment_id(cm, xd, r, skip); |
331 | 3.80M | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, |
332 | 3.80M | segment_id); |
333 | 3.80M | return segment_id; |
334 | 3.80M | } |
335 | | |
336 | | static void copy_segment_id(const CommonModeInfoParams *const mi_params, |
337 | | const uint8_t *last_segment_ids, |
338 | | uint8_t *current_segment_ids, int mi_offset, |
339 | 728k | int x_mis, int y_mis) { |
340 | 728k | const int stride = mi_params->mi_cols; |
341 | 728k | if (last_segment_ids) { |
342 | 263k | assert(last_segment_ids != current_segment_ids); |
343 | 1.76M | for (int y = 0; y < y_mis; y++) { |
344 | 1.49M | memcpy(¤t_segment_ids[mi_offset + y * stride], |
345 | 1.49M | &last_segment_ids[mi_offset + y * stride], |
346 | 1.49M | sizeof(current_segment_ids[0]) * x_mis); |
347 | 1.49M | } |
348 | 465k | } else { |
349 | 2.09M | for (int y = 0; y < y_mis; y++) { |
350 | 1.63M | memset(¤t_segment_ids[mi_offset + y * stride], 0, |
351 | 1.63M | sizeof(current_segment_ids[0]) * x_mis); |
352 | 1.63M | } |
353 | 465k | } |
354 | 728k | } |
355 | | |
356 | | static int get_predicted_segment_id(AV1_COMMON *const cm, int mi_offset, |
357 | 752k | int x_mis, int y_mis) { |
358 | 752k | return cm->last_frame_seg_map ? dec_get_segment_id(cm, cm->last_frame_seg_map, |
359 | 284k | mi_offset, x_mis, y_mis) |
360 | 752k | : 0; |
361 | 752k | } |
362 | | |
363 | | static int read_inter_segment_id(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
364 | 12.0M | int preskip, aom_reader *r) { |
365 | 12.0M | struct segmentation *const seg = &cm->seg; |
366 | 12.0M | const CommonModeInfoParams *const mi_params = &cm->mi_params; |
367 | 12.0M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
368 | 12.0M | const int mi_row = xd->mi_row; |
369 | 12.0M | const int mi_col = xd->mi_col; |
370 | 12.0M | const int mi_offset = mi_row * mi_params->mi_cols + mi_col; |
371 | 12.0M | const int bw = mi_size_wide[mbmi->bsize]; |
372 | 12.0M | const int bh = mi_size_high[mbmi->bsize]; |
373 | | |
374 | | // TODO(slavarnway): move x_mis, y_mis into xd ????? |
375 | 12.0M | const int x_mis = AOMMIN(mi_params->mi_cols - mi_col, bw); |
376 | 12.0M | const int y_mis = AOMMIN(mi_params->mi_rows - mi_row, bh); |
377 | | |
378 | 12.0M | if (!seg->enabled) return 0; // Default for disabled segmentation |
379 | | |
380 | 1.04M | if (!seg->update_map) { |
381 | 728k | copy_segment_id(mi_params, cm->last_frame_seg_map, cm->cur_frame->seg_map, |
382 | 728k | mi_offset, x_mis, y_mis); |
383 | 728k | return get_predicted_segment_id(cm, mi_offset, x_mis, y_mis); |
384 | 728k | } |
385 | | |
386 | 319k | uint8_t segment_id; |
387 | 319k | const int mi_stride = cm->mi_params.mi_cols; |
388 | 319k | if (preskip) { |
389 | 220k | if (!seg->segid_preskip) return 0; |
390 | 220k | } else { |
391 | 99.0k | if (mbmi->skip_txfm) { |
392 | 38.9k | if (seg->temporal_update) { |
393 | 403 | mbmi->seg_id_predicted = 0; |
394 | 403 | } |
395 | 38.9k | segment_id = read_segment_id(cm, xd, r, 1); |
396 | 38.9k | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, |
397 | 38.9k | segment_id); |
398 | 38.9k | return segment_id; |
399 | 38.9k | } |
400 | 99.0k | } |
401 | | |
402 | 179k | if (seg->temporal_update) { |
403 | 37.8k | const uint8_t ctx = av1_get_pred_context_seg_id(xd); |
404 | 37.8k | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
405 | 37.8k | struct segmentation_probs *const segp = &ec_ctx->seg; |
406 | 37.8k | aom_cdf_prob *pred_cdf = segp->pred_cdf[ctx]; |
407 | 37.8k | mbmi->seg_id_predicted = aom_read_symbol(r, pred_cdf, 2, ACCT_STR); |
408 | 37.8k | if (mbmi->seg_id_predicted) { |
409 | 22.7k | segment_id = get_predicted_segment_id(cm, mi_offset, x_mis, y_mis); |
410 | 22.7k | } else { |
411 | 15.1k | segment_id = read_segment_id(cm, xd, r, 0); |
412 | 15.1k | } |
413 | 142k | } else { |
414 | 142k | segment_id = read_segment_id(cm, xd, r, 0); |
415 | 142k | } |
416 | 179k | set_segment_id(cm->cur_frame->seg_map, mi_offset, x_mis, y_mis, mi_stride, |
417 | 179k | segment_id); |
418 | 179k | return segment_id; |
419 | 319k | } |
420 | | |
421 | | static int read_skip_mode(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, |
422 | 6.36M | aom_reader *r) { |
423 | 6.36M | if (!cm->current_frame.skip_mode_info.skip_mode_flag) return 0; |
424 | | |
425 | 346k | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { |
426 | 37.9k | return 0; |
427 | 37.9k | } |
428 | | |
429 | 308k | if (!is_comp_ref_allowed(xd->mi[0]->bsize)) return 0; |
430 | | |
431 | 233k | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME) || |
432 | 233k | segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
433 | | // These features imply single-reference mode, while skip mode implies |
434 | | // compound reference. Hence, the two are mutually exclusive. |
435 | | // In other words, skip_mode is implicitly 0 here. |
436 | 1.44k | return 0; |
437 | 1.44k | } |
438 | | |
439 | 232k | const int ctx = av1_get_skip_mode_context(xd); |
440 | 232k | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
441 | 232k | const int skip_mode = |
442 | 232k | aom_read_symbol(r, ec_ctx->skip_mode_cdfs[ctx], 2, ACCT_STR); |
443 | 232k | return skip_mode; |
444 | 233k | } |
445 | | |
446 | | static int read_skip_txfm(AV1_COMMON *cm, const MACROBLOCKD *xd, int segment_id, |
447 | 15.5M | aom_reader *r) { |
448 | 15.5M | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) { |
449 | 3.79M | return 1; |
450 | 11.7M | } else { |
451 | 11.7M | const int ctx = av1_get_skip_txfm_context(xd); |
452 | 11.7M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
453 | 11.7M | const int skip_txfm = |
454 | 11.7M | aom_read_symbol(r, ec_ctx->skip_txfm_cdfs[ctx], 2, ACCT_STR); |
455 | 11.7M | return skip_txfm; |
456 | 11.7M | } |
457 | 15.5M | } |
458 | | |
459 | | // Merge the sorted list of cached colors(cached_colors[0...n_cached_colors-1]) |
460 | | // and the sorted list of transmitted colors(colors[n_cached_colors...n-1]) into |
461 | | // one single sorted list(colors[...]). |
462 | | static void merge_colors(uint16_t *colors, uint16_t *cached_colors, |
463 | 136k | int n_colors, int n_cached_colors) { |
464 | 136k | if (n_cached_colors == 0) return; |
465 | 46.7k | int cache_idx = 0, trans_idx = n_cached_colors; |
466 | 292k | for (int i = 0; i < n_colors; ++i) { |
467 | 246k | if (cache_idx < n_cached_colors && |
468 | 246k | (trans_idx >= n_colors || |
469 | 177k | cached_colors[cache_idx] <= colors[trans_idx])) { |
470 | 102k | colors[i] = cached_colors[cache_idx++]; |
471 | 143k | } else { |
472 | 143k | assert(trans_idx < n_colors); |
473 | 143k | colors[i] = colors[trans_idx++]; |
474 | 143k | } |
475 | 246k | } |
476 | 46.7k | } |
477 | | |
478 | | static void read_palette_colors_y(MACROBLOCKD *const xd, int bit_depth, |
479 | 88.6k | PALETTE_MODE_INFO *const pmi, aom_reader *r) { |
480 | 88.6k | uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
481 | 88.6k | uint16_t cached_colors[PALETTE_MAX_SIZE]; |
482 | 88.6k | const int n_cache = av1_get_palette_cache(xd, 0, color_cache); |
483 | 88.6k | const int n = pmi->palette_size[0]; |
484 | 88.6k | int idx = 0; |
485 | 383k | for (int i = 0; i < n_cache && idx < n; ++i) |
486 | 294k | if (aom_read_bit(r, ACCT_STR)) cached_colors[idx++] = color_cache[i]; |
487 | 88.6k | if (idx < n) { |
488 | 70.2k | const int n_cached_colors = idx; |
489 | 70.2k | pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
490 | 70.2k | if (idx < n) { |
491 | 62.4k | const int min_bits = bit_depth - 3; |
492 | 62.4k | int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
493 | 62.4k | int range = (1 << bit_depth) - pmi->palette_colors[idx - 1] - 1; |
494 | 246k | for (; idx < n; ++idx) { |
495 | 184k | assert(range >= 0); |
496 | 184k | const int delta = aom_read_literal(r, bits, ACCT_STR) + 1; |
497 | 184k | pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
498 | 184k | 0, (1 << bit_depth) - 1); |
499 | 184k | range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
500 | 184k | bits = AOMMIN(bits, aom_ceil_log2(range)); |
501 | 184k | } |
502 | 62.4k | } |
503 | 70.2k | merge_colors(pmi->palette_colors, cached_colors, n, n_cached_colors); |
504 | 70.2k | } else { |
505 | 18.3k | memcpy(pmi->palette_colors, cached_colors, n * sizeof(cached_colors[0])); |
506 | 18.3k | } |
507 | 88.6k | } |
508 | | |
509 | | static void read_palette_colors_uv(MACROBLOCKD *const xd, int bit_depth, |
510 | | PALETTE_MODE_INFO *const pmi, |
511 | 73.1k | aom_reader *r) { |
512 | 73.1k | const int n = pmi->palette_size[1]; |
513 | | // U channel colors. |
514 | 73.1k | uint16_t color_cache[2 * PALETTE_MAX_SIZE]; |
515 | 73.1k | uint16_t cached_colors[PALETTE_MAX_SIZE]; |
516 | 73.1k | const int n_cache = av1_get_palette_cache(xd, 1, color_cache); |
517 | 73.1k | int idx = 0; |
518 | 124k | for (int i = 0; i < n_cache && idx < n; ++i) |
519 | 51.3k | if (aom_read_bit(r, ACCT_STR)) cached_colors[idx++] = color_cache[i]; |
520 | 73.1k | if (idx < n) { |
521 | 66.6k | const int n_cached_colors = idx; |
522 | 66.6k | idx += PALETTE_MAX_SIZE; |
523 | 66.6k | pmi->palette_colors[idx++] = aom_read_literal(r, bit_depth, ACCT_STR); |
524 | 66.6k | if (idx < PALETTE_MAX_SIZE + n) { |
525 | 63.8k | const int min_bits = bit_depth - 3; |
526 | 63.8k | int bits = min_bits + aom_read_literal(r, 2, ACCT_STR); |
527 | 63.8k | int range = (1 << bit_depth) - pmi->palette_colors[idx - 1]; |
528 | 284k | for (; idx < PALETTE_MAX_SIZE + n; ++idx) { |
529 | 220k | assert(range >= 0); |
530 | 220k | const int delta = aom_read_literal(r, bits, ACCT_STR); |
531 | 220k | pmi->palette_colors[idx] = clamp(pmi->palette_colors[idx - 1] + delta, |
532 | 220k | 0, (1 << bit_depth) - 1); |
533 | 220k | range -= (pmi->palette_colors[idx] - pmi->palette_colors[idx - 1]); |
534 | 220k | bits = AOMMIN(bits, aom_ceil_log2(range)); |
535 | 220k | } |
536 | 63.8k | } |
537 | 66.6k | merge_colors(pmi->palette_colors + PALETTE_MAX_SIZE, cached_colors, n, |
538 | 66.6k | n_cached_colors); |
539 | 66.6k | } else { |
540 | 6.43k | memcpy(pmi->palette_colors + PALETTE_MAX_SIZE, cached_colors, |
541 | 6.43k | n * sizeof(cached_colors[0])); |
542 | 6.43k | } |
543 | | |
544 | | // V channel colors. |
545 | 73.1k | if (aom_read_bit(r, ACCT_STR)) { // Delta encoding. |
546 | 30.2k | const int min_bits_v = bit_depth - 4; |
547 | 30.2k | const int max_val = 1 << bit_depth; |
548 | 30.2k | int bits = min_bits_v + aom_read_literal(r, 2, ACCT_STR); |
549 | 30.2k | pmi->palette_colors[2 * PALETTE_MAX_SIZE] = |
550 | 30.2k | aom_read_literal(r, bit_depth, ACCT_STR); |
551 | 131k | for (int i = 1; i < n; ++i) { |
552 | 101k | int delta = aom_read_literal(r, bits, ACCT_STR); |
553 | 101k | if (delta && aom_read_bit(r, ACCT_STR)) delta = -delta; |
554 | 101k | int val = (int)pmi->palette_colors[2 * PALETTE_MAX_SIZE + i - 1] + delta; |
555 | 101k | if (val < 0) val += max_val; |
556 | 101k | if (val >= max_val) val -= max_val; |
557 | 101k | pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = val; |
558 | 101k | } |
559 | 42.8k | } else { |
560 | 227k | for (int i = 0; i < n; ++i) { |
561 | 184k | pmi->palette_colors[2 * PALETTE_MAX_SIZE + i] = |
562 | 184k | aom_read_literal(r, bit_depth, ACCT_STR); |
563 | 184k | } |
564 | 42.8k | } |
565 | 73.1k | } |
566 | | |
567 | | static void read_palette_mode_info(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
568 | 2.32M | aom_reader *r) { |
569 | 2.32M | const int num_planes = av1_num_planes(cm); |
570 | 2.32M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
571 | 2.32M | const BLOCK_SIZE bsize = mbmi->bsize; |
572 | 2.32M | assert(av1_allow_palette(cm->features.allow_screen_content_tools, bsize)); |
573 | 2.32M | PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info; |
574 | 2.32M | const int bsize_ctx = av1_get_palette_bsize_ctx(bsize); |
575 | | |
576 | 2.32M | if (mbmi->mode == DC_PRED) { |
577 | 744k | const int palette_mode_ctx = av1_get_palette_mode_ctx(xd); |
578 | 744k | const int modev = aom_read_symbol( |
579 | 744k | r, xd->tile_ctx->palette_y_mode_cdf[bsize_ctx][palette_mode_ctx], 2, |
580 | 744k | ACCT_STR); |
581 | 744k | if (modev) { |
582 | 88.6k | pmi->palette_size[0] = |
583 | 88.6k | aom_read_symbol(r, xd->tile_ctx->palette_y_size_cdf[bsize_ctx], |
584 | 88.6k | PALETTE_SIZES, ACCT_STR) + |
585 | 88.6k | 2; |
586 | 88.6k | read_palette_colors_y(xd, cm->seq_params->bit_depth, pmi, r); |
587 | 88.6k | } |
588 | 744k | } |
589 | 2.32M | if (num_planes > 1 && mbmi->uv_mode == UV_DC_PRED && xd->is_chroma_ref) { |
590 | 514k | const int palette_uv_mode_ctx = (pmi->palette_size[0] > 0); |
591 | 514k | const int modev = aom_read_symbol( |
592 | 514k | r, xd->tile_ctx->palette_uv_mode_cdf[palette_uv_mode_ctx], 2, ACCT_STR); |
593 | 514k | if (modev) { |
594 | 73.1k | pmi->palette_size[1] = |
595 | 73.1k | aom_read_symbol(r, xd->tile_ctx->palette_uv_size_cdf[bsize_ctx], |
596 | 73.1k | PALETTE_SIZES, ACCT_STR) + |
597 | 73.1k | 2; |
598 | 73.1k | read_palette_colors_uv(xd, cm->seq_params->bit_depth, pmi, r); |
599 | 73.1k | } |
600 | 514k | } |
601 | 2.32M | } |
602 | | |
603 | 5.25M | static int read_angle_delta(aom_reader *r, aom_cdf_prob *cdf) { |
604 | 5.25M | const int sym = aom_read_symbol(r, cdf, 2 * MAX_ANGLE_DELTA + 1, ACCT_STR); |
605 | 5.25M | return sym - MAX_ANGLE_DELTA; |
606 | 5.25M | } |
607 | | |
608 | | static void read_filter_intra_mode_info(const AV1_COMMON *const cm, |
609 | 10.9M | MACROBLOCKD *const xd, aom_reader *r) { |
610 | 10.9M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
611 | 10.9M | FILTER_INTRA_MODE_INFO *filter_intra_mode_info = |
612 | 10.9M | &mbmi->filter_intra_mode_info; |
613 | | |
614 | 10.9M | if (av1_filter_intra_allowed(cm, mbmi)) { |
615 | 2.15M | filter_intra_mode_info->use_filter_intra = aom_read_symbol( |
616 | 2.15M | r, xd->tile_ctx->filter_intra_cdfs[mbmi->bsize], 2, ACCT_STR); |
617 | 2.15M | if (filter_intra_mode_info->use_filter_intra) { |
618 | 1.27M | filter_intra_mode_info->filter_intra_mode = aom_read_symbol( |
619 | 1.27M | r, xd->tile_ctx->filter_intra_mode_cdf, FILTER_INTRA_MODES, ACCT_STR); |
620 | 1.27M | } |
621 | 8.83M | } else { |
622 | 8.83M | filter_intra_mode_info->use_filter_intra = 0; |
623 | 8.83M | } |
624 | 10.9M | } |
625 | | |
626 | | void av1_read_tx_type(const AV1_COMMON *const cm, MACROBLOCKD *xd, int blk_row, |
627 | 12.0M | int blk_col, TX_SIZE tx_size, aom_reader *r) { |
628 | 12.0M | MB_MODE_INFO *mbmi = xd->mi[0]; |
629 | 12.0M | uint8_t *tx_type = |
630 | 12.0M | &xd->tx_type_map[blk_row * xd->tx_type_map_stride + blk_col]; |
631 | 12.0M | *tx_type = DCT_DCT; |
632 | | |
633 | | // No need to read transform type if block is skipped. |
634 | 12.0M | if (mbmi->skip_txfm || |
635 | 12.0M | segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) |
636 | 0 | return; |
637 | | |
638 | | // No need to read transform type for lossless mode(qindex==0). |
639 | 12.0M | const int qindex = xd->qindex[mbmi->segment_id]; |
640 | 12.0M | if (qindex == 0) return; |
641 | | |
642 | 9.45M | const int inter_block = is_inter_block(mbmi); |
643 | 9.45M | if (get_ext_tx_types(tx_size, inter_block, cm->features.reduced_tx_set_used) > |
644 | 9.45M | 1) { |
645 | 7.70M | const TxSetType tx_set_type = av1_get_ext_tx_set_type( |
646 | 7.70M | tx_size, inter_block, cm->features.reduced_tx_set_used); |
647 | 7.70M | const int eset = |
648 | 7.70M | get_ext_tx_set(tx_size, inter_block, cm->features.reduced_tx_set_used); |
649 | | // eset == 0 should correspond to a set with only DCT_DCT and |
650 | | // there is no need to read the tx_type |
651 | 7.70M | assert(eset != 0); |
652 | | |
653 | 7.70M | const TX_SIZE square_tx_size = txsize_sqr_map[tx_size]; |
654 | 7.70M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
655 | 7.70M | if (inter_block) { |
656 | 3.64M | *tx_type = av1_ext_tx_inv[tx_set_type][aom_read_symbol( |
657 | 3.64M | r, ec_ctx->inter_ext_tx_cdf[eset][square_tx_size], |
658 | 3.64M | av1_num_ext_tx_set[tx_set_type], ACCT_STR)]; |
659 | 4.06M | } else { |
660 | 4.06M | const PREDICTION_MODE intra_mode = |
661 | 4.06M | mbmi->filter_intra_mode_info.use_filter_intra |
662 | 4.06M | ? fimode_to_intradir[mbmi->filter_intra_mode_info |
663 | 856k | .filter_intra_mode] |
664 | 4.06M | : mbmi->mode; |
665 | 4.06M | *tx_type = av1_ext_tx_inv[tx_set_type][aom_read_symbol( |
666 | 4.06M | r, ec_ctx->intra_ext_tx_cdf[eset][square_tx_size][intra_mode], |
667 | 4.06M | av1_num_ext_tx_set[tx_set_type], ACCT_STR)]; |
668 | 4.06M | } |
669 | 7.70M | } |
670 | 9.45M | } |
671 | | |
672 | | static inline void read_mv(aom_reader *r, MV *mv, const MV *ref, |
673 | | nmv_context *ctx, MvSubpelPrecision precision); |
674 | | |
675 | | static inline int is_mv_valid(const MV *mv); |
676 | | |
677 | | static inline int assign_dv(AV1_COMMON *cm, MACROBLOCKD *xd, int_mv *mv, |
678 | | const int_mv *ref_mv, int mi_row, int mi_col, |
679 | 60.1k | BLOCK_SIZE bsize, aom_reader *r) { |
680 | 60.1k | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
681 | 60.1k | read_mv(r, &mv->as_mv, &ref_mv->as_mv, &ec_ctx->ndvc, MV_SUBPEL_NONE); |
682 | | // DV should not have sub-pel. |
683 | 60.1k | assert((mv->as_mv.col & 7) == 0); |
684 | 60.1k | assert((mv->as_mv.row & 7) == 0); |
685 | 60.1k | mv->as_mv.col = (mv->as_mv.col >> 3) * 8; |
686 | 60.1k | mv->as_mv.row = (mv->as_mv.row >> 3) * 8; |
687 | 60.1k | int valid = is_mv_valid(&mv->as_mv) && |
688 | 60.1k | av1_is_dv_valid(mv->as_mv, cm, xd, mi_row, mi_col, bsize, |
689 | 60.0k | cm->seq_params->mib_size_log2); |
690 | 60.1k | return valid; |
691 | 60.1k | } |
692 | | |
693 | | static void read_intrabc_info(AV1_COMMON *const cm, DecoderCodingBlock *dcb, |
694 | 1.90M | aom_reader *r) { |
695 | 1.90M | MACROBLOCKD *const xd = &dcb->xd; |
696 | 1.90M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
697 | 1.90M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
698 | 1.90M | mbmi->use_intrabc = aom_read_symbol(r, ec_ctx->intrabc_cdf, 2, ACCT_STR); |
699 | 1.90M | if (mbmi->use_intrabc) { |
700 | 60.1k | BLOCK_SIZE bsize = mbmi->bsize; |
701 | 60.1k | mbmi->mode = DC_PRED; |
702 | 60.1k | mbmi->uv_mode = UV_DC_PRED; |
703 | 60.1k | mbmi->interp_filters = av1_broadcast_interp_filter(BILINEAR); |
704 | 60.1k | mbmi->motion_mode = SIMPLE_TRANSLATION; |
705 | | |
706 | 60.1k | int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES]; |
707 | 60.1k | int_mv ref_mvs[INTRA_FRAME + 1][MAX_MV_REF_CANDIDATES]; |
708 | | |
709 | 60.1k | av1_find_mv_refs(cm, xd, mbmi, INTRA_FRAME, dcb->ref_mv_count, |
710 | 60.1k | xd->ref_mv_stack, xd->weight, ref_mvs, /*global_mvs=*/NULL, |
711 | 60.1k | inter_mode_ctx); |
712 | | |
713 | 60.1k | int_mv nearestmv, nearmv; |
714 | | |
715 | 60.1k | av1_find_best_ref_mvs(0, ref_mvs[INTRA_FRAME], &nearestmv, &nearmv, 0); |
716 | 60.1k | int_mv dv_ref = nearestmv.as_int == 0 ? nearmv : nearestmv; |
717 | 60.1k | if (dv_ref.as_int == 0) |
718 | 27.8k | av1_find_ref_dv(&dv_ref, &xd->tile, cm->seq_params->mib_size, xd->mi_row); |
719 | | // Ref DV should not have sub-pel. |
720 | 60.1k | int valid_dv = (dv_ref.as_mv.col & 7) == 0 && (dv_ref.as_mv.row & 7) == 0; |
721 | 60.1k | dv_ref.as_mv.col = (dv_ref.as_mv.col >> 3) * 8; |
722 | 60.1k | dv_ref.as_mv.row = (dv_ref.as_mv.row >> 3) * 8; |
723 | 60.1k | valid_dv = valid_dv && assign_dv(cm, xd, &mbmi->mv[0], &dv_ref, xd->mi_row, |
724 | 60.1k | xd->mi_col, bsize, r); |
725 | 60.1k | if (!valid_dv) { |
726 | | // Intra bc motion vectors are not valid - signal corrupt frame |
727 | 6.70k | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
728 | 6.70k | "Invalid intrabc dv"); |
729 | 6.70k | } |
730 | 60.1k | } |
731 | 1.90M | } |
732 | | |
733 | | // If delta q is present, reads delta_q index. |
734 | | // Also reads delta_q loop filter levels, if present. |
735 | | static void read_delta_q_params(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
736 | 15.6M | aom_reader *r) { |
737 | 15.6M | DeltaQInfo *const delta_q_info = &cm->delta_q_info; |
738 | | |
739 | 15.6M | if (delta_q_info->delta_q_present_flag) { |
740 | 2.16M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
741 | 2.16M | xd->current_base_qindex += |
742 | 2.16M | read_delta_qindex(cm, xd, r, mbmi) * delta_q_info->delta_q_res; |
743 | | /* Normative: Clamp to [1,MAXQ] to not interfere with lossless mode */ |
744 | 2.16M | xd->current_base_qindex = clamp(xd->current_base_qindex, 1, MAXQ); |
745 | 2.16M | FRAME_CONTEXT *const ec_ctx = xd->tile_ctx; |
746 | 2.16M | if (delta_q_info->delta_lf_present_flag) { |
747 | 462k | const int mi_row = xd->mi_row; |
748 | 462k | const int mi_col = xd->mi_col; |
749 | 462k | if (delta_q_info->delta_lf_multi) { |
750 | 291k | const int frame_lf_count = |
751 | 291k | av1_num_planes(cm) > 1 ? FRAME_LF_COUNT : FRAME_LF_COUNT - 2; |
752 | 1.41M | for (int lf_id = 0; lf_id < frame_lf_count; ++lf_id) { |
753 | 1.12M | const int tmp_lvl = |
754 | 1.12M | xd->delta_lf[lf_id] + |
755 | 1.12M | read_delta_lflevel(cm, r, ec_ctx->delta_lf_multi_cdf[lf_id], mbmi, |
756 | 1.12M | mi_col, mi_row) * |
757 | 1.12M | delta_q_info->delta_lf_res; |
758 | 1.12M | mbmi->delta_lf[lf_id] = xd->delta_lf[lf_id] = |
759 | 1.12M | clamp(tmp_lvl, -MAX_LOOP_FILTER, MAX_LOOP_FILTER); |
760 | 1.12M | } |
761 | 291k | } else { |
762 | 170k | const int tmp_lvl = xd->delta_lf_from_base + |
763 | 170k | read_delta_lflevel(cm, r, ec_ctx->delta_lf_cdf, |
764 | 170k | mbmi, mi_col, mi_row) * |
765 | 170k | delta_q_info->delta_lf_res; |
766 | 170k | mbmi->delta_lf_from_base = xd->delta_lf_from_base = |
767 | 170k | clamp(tmp_lvl, -MAX_LOOP_FILTER, MAX_LOOP_FILTER); |
768 | 170k | } |
769 | 462k | } |
770 | 2.16M | } |
771 | 15.6M | } |
772 | | |
773 | | static void read_intra_frame_mode_info(AV1_COMMON *const cm, |
774 | 9.25M | DecoderCodingBlock *dcb, aom_reader *r) { |
775 | 9.25M | MACROBLOCKD *const xd = &dcb->xd; |
776 | 9.25M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
777 | 9.25M | const MB_MODE_INFO *above_mi = xd->above_mbmi; |
778 | 9.25M | const MB_MODE_INFO *left_mi = xd->left_mbmi; |
779 | 9.25M | const BLOCK_SIZE bsize = mbmi->bsize; |
780 | 9.25M | struct segmentation *const seg = &cm->seg; |
781 | | |
782 | 9.25M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
783 | | |
784 | 9.25M | if (seg->segid_preskip) |
785 | 3.67M | mbmi->segment_id = read_intra_segment_id(cm, xd, bsize, r, 0); |
786 | | |
787 | 9.25M | mbmi->skip_txfm = read_skip_txfm(cm, xd, mbmi->segment_id, r); |
788 | | |
789 | 9.25M | if (!seg->segid_preskip) |
790 | 5.57M | mbmi->segment_id = read_intra_segment_id(cm, xd, bsize, r, mbmi->skip_txfm); |
791 | | |
792 | 9.25M | read_cdef(cm, r, xd); |
793 | | |
794 | 9.25M | read_delta_q_params(cm, xd, r); |
795 | | |
796 | 9.25M | mbmi->current_qindex = xd->current_base_qindex; |
797 | | |
798 | 9.25M | mbmi->ref_frame[0] = INTRA_FRAME; |
799 | 9.25M | mbmi->ref_frame[1] = NONE_FRAME; |
800 | 9.25M | mbmi->palette_mode_info.palette_size[0] = 0; |
801 | 9.25M | mbmi->palette_mode_info.palette_size[1] = 0; |
802 | 9.25M | mbmi->filter_intra_mode_info.use_filter_intra = 0; |
803 | | |
804 | 9.25M | const int mi_row = xd->mi_row; |
805 | 9.25M | const int mi_col = xd->mi_col; |
806 | 9.25M | xd->above_txfm_context = cm->above_contexts.txfm[xd->tile.tile_row] + mi_col; |
807 | 9.25M | xd->left_txfm_context = |
808 | 9.25M | xd->left_txfm_context_buffer + (mi_row & MAX_MIB_MASK); |
809 | | |
810 | 9.25M | if (av1_allow_intrabc(cm)) { |
811 | 1.90M | read_intrabc_info(cm, dcb, r); |
812 | 1.90M | if (is_intrabc_block(mbmi)) return; |
813 | 1.90M | } |
814 | | |
815 | 9.19M | mbmi->mode = read_intra_mode(r, get_y_mode_cdf(ec_ctx, above_mi, left_mi)); |
816 | | |
817 | 9.19M | const int use_angle_delta = av1_use_angle_delta(bsize); |
818 | 9.19M | mbmi->angle_delta[PLANE_TYPE_Y] = |
819 | 9.19M | (use_angle_delta && av1_is_directional_mode(mbmi->mode)) |
820 | 9.19M | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[mbmi->mode - V_PRED]) |
821 | 9.19M | : 0; |
822 | | |
823 | 9.19M | if (!cm->seq_params->monochrome && xd->is_chroma_ref) { |
824 | 8.41M | mbmi->uv_mode = |
825 | 8.41M | read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); |
826 | 8.41M | if (mbmi->uv_mode == UV_CFL_PRED) { |
827 | 1.23M | mbmi->cfl_alpha_idx = read_cfl_alphas(ec_ctx, r, &mbmi->cfl_alpha_signs); |
828 | 1.23M | } |
829 | 8.41M | const PREDICTION_MODE intra_mode = get_uv_mode(mbmi->uv_mode); |
830 | 8.41M | mbmi->angle_delta[PLANE_TYPE_UV] = |
831 | 8.41M | (use_angle_delta && av1_is_directional_mode(intra_mode)) |
832 | 8.41M | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[intra_mode - V_PRED]) |
833 | 8.41M | : 0; |
834 | 8.41M | } else { |
835 | | // Avoid decoding angle_info if there is no chroma prediction |
836 | 783k | mbmi->uv_mode = UV_DC_PRED; |
837 | 783k | } |
838 | 9.19M | xd->cfl.store_y = store_cfl_required(cm, xd); |
839 | | |
840 | 9.19M | if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) |
841 | 2.28M | read_palette_mode_info(cm, xd, r); |
842 | | |
843 | 9.19M | read_filter_intra_mode_info(cm, xd, r); |
844 | 9.19M | } |
845 | | |
846 | | static int read_mv_component(aom_reader *r, nmv_component *mvcomp, |
847 | 2.38M | int use_subpel, int usehp) { |
848 | 2.38M | int mag, d, fr, hp; |
849 | 2.38M | const int sign = aom_read_symbol(r, mvcomp->sign_cdf, 2, ACCT_STR); |
850 | 2.38M | const int mv_class = |
851 | 2.38M | aom_read_symbol(r, mvcomp->classes_cdf, MV_CLASSES, ACCT_STR); |
852 | 2.38M | const int class0 = mv_class == MV_CLASS_0; |
853 | | |
854 | | // Integer part |
855 | 2.38M | if (class0) { |
856 | 1.95M | d = aom_read_symbol(r, mvcomp->class0_cdf, CLASS0_SIZE, ACCT_STR); |
857 | 1.95M | mag = 0; |
858 | 1.95M | } else { |
859 | 437k | const int n = mv_class + CLASS0_BITS - 1; // number of bits |
860 | 437k | d = 0; |
861 | 2.78M | for (int i = 0; i < n; ++i) |
862 | 2.35M | d |= aom_read_symbol(r, mvcomp->bits_cdf[i], 2, ACCT_STR) << i; |
863 | 437k | mag = CLASS0_SIZE << (mv_class + 2); |
864 | 437k | } |
865 | | |
866 | 2.38M | if (use_subpel) { |
867 | | // Fractional part |
868 | 2.19M | fr = aom_read_symbol(r, class0 ? mvcomp->class0_fp_cdf[d] : mvcomp->fp_cdf, |
869 | 2.19M | MV_FP_SIZE, ACCT_STR); |
870 | | |
871 | | // High precision part (if hp is not used, the default value of the hp is 1) |
872 | 2.19M | hp = usehp ? aom_read_symbol( |
873 | 2.19M | r, class0 ? mvcomp->class0_hp_cdf : mvcomp->hp_cdf, 2, |
874 | 2.19M | ACCT_STR) |
875 | 2.19M | : 1; |
876 | 2.19M | } else { |
877 | 191k | fr = 3; |
878 | 191k | hp = 1; |
879 | 191k | } |
880 | | |
881 | | // Result |
882 | 2.38M | mag += ((d << 3) | (fr << 1) | hp) + 1; |
883 | 2.38M | return sign ? -mag : mag; |
884 | 2.38M | } |
885 | | |
886 | | static inline void read_mv(aom_reader *r, MV *mv, const MV *ref, |
887 | 2.25M | nmv_context *ctx, MvSubpelPrecision precision) { |
888 | 2.25M | MV diff = kZeroMv; |
889 | 2.25M | const MV_JOINT_TYPE joint_type = |
890 | 2.25M | (MV_JOINT_TYPE)aom_read_symbol(r, ctx->joints_cdf, MV_JOINTS, ACCT_STR); |
891 | | |
892 | 2.25M | if (mv_joint_vertical(joint_type)) |
893 | 1.26M | diff.row = read_mv_component(r, &ctx->comps[0], precision > MV_SUBPEL_NONE, |
894 | 1.26M | precision > MV_SUBPEL_LOW_PRECISION); |
895 | | |
896 | 2.25M | if (mv_joint_horizontal(joint_type)) |
897 | 1.12M | diff.col = read_mv_component(r, &ctx->comps[1], precision > MV_SUBPEL_NONE, |
898 | 1.12M | precision > MV_SUBPEL_LOW_PRECISION); |
899 | | |
900 | 2.25M | mv->row = ref->row + diff.row; |
901 | 2.25M | mv->col = ref->col + diff.col; |
902 | 2.25M | } |
903 | | |
904 | | static REFERENCE_MODE read_block_reference_mode(AV1_COMMON *cm, |
905 | | const MACROBLOCKD *xd, |
906 | 3.84M | aom_reader *r) { |
907 | 3.84M | if (!is_comp_ref_allowed(xd->mi[0]->bsize)) return SINGLE_REFERENCE; |
908 | 2.53M | if (cm->current_frame.reference_mode == REFERENCE_MODE_SELECT) { |
909 | 989k | const int ctx = av1_get_reference_mode_context(xd); |
910 | 989k | const REFERENCE_MODE mode = (REFERENCE_MODE)aom_read_symbol( |
911 | 989k | r, xd->tile_ctx->comp_inter_cdf[ctx], 2, ACCT_STR); |
912 | 989k | return mode; // SINGLE_REFERENCE or COMPOUND_REFERENCE |
913 | 1.54M | } else { |
914 | 1.54M | assert(cm->current_frame.reference_mode == SINGLE_REFERENCE); |
915 | 1.55M | return cm->current_frame.reference_mode; |
916 | 1.54M | } |
917 | 2.53M | } |
918 | | |
919 | | #define READ_REF_BIT(pname) \ |
920 | 11.4M | aom_read_symbol(r, av1_get_pred_cdf_##pname(xd), 2, ACCT_STR) |
921 | | |
922 | | static COMP_REFERENCE_TYPE read_comp_reference_type(const MACROBLOCKD *xd, |
923 | 524k | aom_reader *r) { |
924 | 524k | const int ctx = av1_get_comp_reference_type_context(xd); |
925 | 524k | const COMP_REFERENCE_TYPE comp_ref_type = |
926 | 524k | (COMP_REFERENCE_TYPE)aom_read_symbol( |
927 | 524k | r, xd->tile_ctx->comp_ref_type_cdf[ctx], 2, ACCT_STR); |
928 | 524k | return comp_ref_type; // UNIDIR_COMP_REFERENCE or BIDIR_COMP_REFERENCE |
929 | 524k | } |
930 | | |
931 | | static void set_ref_frames_for_skip_mode(AV1_COMMON *const cm, |
932 | 108k | MV_REFERENCE_FRAME ref_frame[2]) { |
933 | 108k | ref_frame[0] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_0; |
934 | 108k | ref_frame[1] = LAST_FRAME + cm->current_frame.skip_mode_info.ref_frame_idx_1; |
935 | 108k | } |
936 | | |
937 | | // Read the referncence frame |
938 | | static void read_ref_frames(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
939 | | aom_reader *r, int segment_id, |
940 | 4.55M | MV_REFERENCE_FRAME ref_frame[2]) { |
941 | 4.55M | if (xd->mi[0]->skip_mode) { |
942 | 108k | set_ref_frames_for_skip_mode(cm, ref_frame); |
943 | 108k | return; |
944 | 108k | } |
945 | | |
946 | 4.44M | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { |
947 | 103k | ref_frame[0] = (MV_REFERENCE_FRAME)get_segdata(&cm->seg, segment_id, |
948 | 103k | SEG_LVL_REF_FRAME); |
949 | 103k | ref_frame[1] = NONE_FRAME; |
950 | 4.34M | } else if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP) || |
951 | 4.34M | segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
952 | 491k | ref_frame[0] = LAST_FRAME; |
953 | 491k | ref_frame[1] = NONE_FRAME; |
954 | 3.85M | } else { |
955 | 3.85M | const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r); |
956 | | |
957 | 3.85M | if (mode == COMPOUND_REFERENCE) { |
958 | 524k | const COMP_REFERENCE_TYPE comp_ref_type = read_comp_reference_type(xd, r); |
959 | | |
960 | 524k | if (comp_ref_type == UNIDIR_COMP_REFERENCE) { |
961 | 87.2k | const int bit = READ_REF_BIT(uni_comp_ref_p); |
962 | 87.2k | if (bit) { |
963 | 21.3k | ref_frame[0] = BWDREF_FRAME; |
964 | 21.3k | ref_frame[1] = ALTREF_FRAME; |
965 | 65.9k | } else { |
966 | 65.9k | const int bit1 = READ_REF_BIT(uni_comp_ref_p1); |
967 | 65.9k | if (bit1) { |
968 | 39.6k | const int bit2 = READ_REF_BIT(uni_comp_ref_p2); |
969 | 39.6k | if (bit2) { |
970 | 23.5k | ref_frame[0] = LAST_FRAME; |
971 | 23.5k | ref_frame[1] = GOLDEN_FRAME; |
972 | 23.5k | } else { |
973 | 16.1k | ref_frame[0] = LAST_FRAME; |
974 | 16.1k | ref_frame[1] = LAST3_FRAME; |
975 | 16.1k | } |
976 | 39.6k | } else { |
977 | 26.2k | ref_frame[0] = LAST_FRAME; |
978 | 26.2k | ref_frame[1] = LAST2_FRAME; |
979 | 26.2k | } |
980 | 65.9k | } |
981 | | |
982 | 87.2k | return; |
983 | 87.2k | } |
984 | | |
985 | 437k | assert(comp_ref_type == BIDIR_COMP_REFERENCE); |
986 | | |
987 | 437k | const int idx = 1; |
988 | 437k | const int bit = READ_REF_BIT(comp_ref_p); |
989 | | // Decode forward references. |
990 | 437k | if (!bit) { |
991 | 335k | const int bit1 = READ_REF_BIT(comp_ref_p1); |
992 | 335k | ref_frame[!idx] = bit1 ? LAST2_FRAME : LAST_FRAME; |
993 | 335k | } else { |
994 | 101k | const int bit2 = READ_REF_BIT(comp_ref_p2); |
995 | 101k | ref_frame[!idx] = bit2 ? GOLDEN_FRAME : LAST3_FRAME; |
996 | 101k | } |
997 | | |
998 | | // Decode backward references. |
999 | 437k | const int bit_bwd = READ_REF_BIT(comp_bwdref_p); |
1000 | 437k | if (!bit_bwd) { |
1001 | 183k | const int bit1_bwd = READ_REF_BIT(comp_bwdref_p1); |
1002 | 183k | ref_frame[idx] = bit1_bwd ? ALTREF2_FRAME : BWDREF_FRAME; |
1003 | 253k | } else { |
1004 | 253k | ref_frame[idx] = ALTREF_FRAME; |
1005 | 253k | } |
1006 | 3.32M | } else if (mode == SINGLE_REFERENCE) { |
1007 | 3.32M | const int bit0 = READ_REF_BIT(single_ref_p1); |
1008 | 3.32M | if (bit0) { |
1009 | 472k | const int bit1 = READ_REF_BIT(single_ref_p2); |
1010 | 472k | if (!bit1) { |
1011 | 215k | const int bit5 = READ_REF_BIT(single_ref_p6); |
1012 | 215k | ref_frame[0] = bit5 ? ALTREF2_FRAME : BWDREF_FRAME; |
1013 | 257k | } else { |
1014 | 257k | ref_frame[0] = ALTREF_FRAME; |
1015 | 257k | } |
1016 | 2.85M | } else { |
1017 | 2.85M | const int bit2 = READ_REF_BIT(single_ref_p3); |
1018 | 2.85M | if (bit2) { |
1019 | 245k | const int bit4 = READ_REF_BIT(single_ref_p5); |
1020 | 245k | ref_frame[0] = bit4 ? GOLDEN_FRAME : LAST3_FRAME; |
1021 | 2.60M | } else { |
1022 | 2.60M | const int bit3 = READ_REF_BIT(single_ref_p4); |
1023 | 2.60M | ref_frame[0] = bit3 ? LAST2_FRAME : LAST_FRAME; |
1024 | 2.60M | } |
1025 | 2.85M | } |
1026 | | |
1027 | 3.32M | ref_frame[1] = NONE_FRAME; |
1028 | 3.32M | } else { |
1029 | 1.22k | assert(0 && "Invalid prediction mode."); |
1030 | 1.22k | } |
1031 | 3.85M | } |
1032 | 4.44M | } |
1033 | | |
1034 | | static inline void read_mb_interp_filter(const MACROBLOCKD *const xd, |
1035 | | InterpFilter interp_filter, |
1036 | | bool enable_dual_filter, |
1037 | | MB_MODE_INFO *const mbmi, |
1038 | 4.55M | aom_reader *r) { |
1039 | 4.55M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
1040 | | |
1041 | 4.55M | if (!av1_is_interp_needed(xd)) { |
1042 | 897k | set_default_interp_filters(mbmi, interp_filter); |
1043 | 897k | return; |
1044 | 897k | } |
1045 | | |
1046 | 3.65M | if (interp_filter != SWITCHABLE) { |
1047 | 658k | mbmi->interp_filters = av1_broadcast_interp_filter(interp_filter); |
1048 | 2.99M | } else { |
1049 | 2.99M | InterpFilter ref0_filter[2] = { EIGHTTAP_REGULAR, EIGHTTAP_REGULAR }; |
1050 | 3.20M | for (int dir = 0; dir < 2; ++dir) { |
1051 | 3.10M | const int ctx = av1_get_pred_context_switchable_interp(xd, dir); |
1052 | 3.10M | ref0_filter[dir] = (InterpFilter)aom_read_symbol( |
1053 | 3.10M | r, ec_ctx->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS, ACCT_STR); |
1054 | 3.10M | if (!enable_dual_filter) { |
1055 | 2.89M | ref0_filter[1] = ref0_filter[0]; |
1056 | 2.89M | break; |
1057 | 2.89M | } |
1058 | 3.10M | } |
1059 | | // The index system works as: (0, 1) -> (vertical, horizontal) filter types |
1060 | 2.99M | mbmi->interp_filters.as_filters.x_filter = ref0_filter[1]; |
1061 | 2.99M | mbmi->interp_filters.as_filters.y_filter = ref0_filter[0]; |
1062 | 2.99M | } |
1063 | 3.65M | } |
1064 | | |
1065 | | static void read_intra_block_mode_info(AV1_COMMON *const cm, |
1066 | | MACROBLOCKD *const xd, |
1067 | | MB_MODE_INFO *const mbmi, |
1068 | 1.80M | aom_reader *r) { |
1069 | 1.80M | const BLOCK_SIZE bsize = mbmi->bsize; |
1070 | 1.80M | const int use_angle_delta = av1_use_angle_delta(bsize); |
1071 | | |
1072 | 1.80M | mbmi->ref_frame[0] = INTRA_FRAME; |
1073 | 1.80M | mbmi->ref_frame[1] = NONE_FRAME; |
1074 | | |
1075 | 1.80M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
1076 | | |
1077 | 1.80M | mbmi->mode = read_intra_mode(r, ec_ctx->y_mode_cdf[size_group_lookup[bsize]]); |
1078 | | |
1079 | 1.80M | mbmi->angle_delta[PLANE_TYPE_Y] = |
1080 | 1.80M | use_angle_delta && av1_is_directional_mode(mbmi->mode) |
1081 | 1.80M | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[mbmi->mode - V_PRED]) |
1082 | 1.80M | : 0; |
1083 | 1.80M | if (!cm->seq_params->monochrome && xd->is_chroma_ref) { |
1084 | 1.46M | mbmi->uv_mode = |
1085 | 1.46M | read_intra_mode_uv(ec_ctx, r, is_cfl_allowed(xd), mbmi->mode); |
1086 | 1.46M | if (mbmi->uv_mode == UV_CFL_PRED) { |
1087 | 313k | mbmi->cfl_alpha_idx = |
1088 | 313k | read_cfl_alphas(xd->tile_ctx, r, &mbmi->cfl_alpha_signs); |
1089 | 313k | } |
1090 | 1.46M | const PREDICTION_MODE intra_mode = get_uv_mode(mbmi->uv_mode); |
1091 | 1.46M | mbmi->angle_delta[PLANE_TYPE_UV] = |
1092 | 1.46M | use_angle_delta && av1_is_directional_mode(intra_mode) |
1093 | 1.46M | ? read_angle_delta(r, ec_ctx->angle_delta_cdf[intra_mode - V_PRED]) |
1094 | 1.46M | : 0; |
1095 | 1.46M | } else { |
1096 | | // Avoid decoding angle_info if there is no chroma prediction |
1097 | 343k | mbmi->uv_mode = UV_DC_PRED; |
1098 | 343k | } |
1099 | 1.80M | xd->cfl.store_y = store_cfl_required(cm, xd); |
1100 | | |
1101 | 1.80M | mbmi->palette_mode_info.palette_size[0] = 0; |
1102 | 1.80M | mbmi->palette_mode_info.palette_size[1] = 0; |
1103 | 1.80M | if (av1_allow_palette(cm->features.allow_screen_content_tools, bsize)) |
1104 | 42.7k | read_palette_mode_info(cm, xd, r); |
1105 | | |
1106 | 1.80M | read_filter_intra_mode_info(cm, xd, r); |
1107 | 1.80M | } |
1108 | | |
1109 | 5.22M | static inline int is_mv_valid(const MV *mv) { |
1110 | 5.22M | return mv->row > MV_LOW && mv->row < MV_UPP && mv->col > MV_LOW && |
1111 | 5.22M | mv->col < MV_UPP; |
1112 | 5.22M | } |
1113 | | |
1114 | | static inline int assign_mv(AV1_COMMON *cm, MACROBLOCKD *xd, |
1115 | | PREDICTION_MODE mode, |
1116 | | MV_REFERENCE_FRAME ref_frame[2], int_mv mv[2], |
1117 | | int_mv ref_mv[2], int_mv nearest_mv[2], |
1118 | | int_mv near_mv[2], int is_compound, int allow_hp, |
1119 | 4.55M | aom_reader *r) { |
1120 | 4.55M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
1121 | 4.55M | MB_MODE_INFO *mbmi = xd->mi[0]; |
1122 | 4.55M | BLOCK_SIZE bsize = mbmi->bsize; |
1123 | 4.55M | FeatureFlags *const features = &cm->features; |
1124 | 4.55M | if (features->cur_frame_force_integer_mv) { |
1125 | 215k | allow_hp = MV_SUBPEL_NONE; |
1126 | 215k | } |
1127 | 4.55M | switch (mode) { |
1128 | 1.92M | case NEWMV: { |
1129 | 1.92M | nmv_context *const nmvc = &ec_ctx->nmvc; |
1130 | 1.92M | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); |
1131 | 1.92M | break; |
1132 | 0 | } |
1133 | 886k | case NEARESTMV: { |
1134 | 886k | mv[0].as_int = nearest_mv[0].as_int; |
1135 | 886k | break; |
1136 | 0 | } |
1137 | 317k | case NEARMV: { |
1138 | 317k | mv[0].as_int = near_mv[0].as_int; |
1139 | 317k | break; |
1140 | 0 | } |
1141 | 793k | case GLOBALMV: { |
1142 | 793k | mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], |
1143 | 793k | features->allow_high_precision_mv, |
1144 | 793k | bsize, xd->mi_col, xd->mi_row, |
1145 | 793k | features->cur_frame_force_integer_mv) |
1146 | 793k | .as_int; |
1147 | 793k | break; |
1148 | 0 | } |
1149 | 86.5k | case NEW_NEWMV: { |
1150 | 86.5k | assert(is_compound); |
1151 | 259k | for (int i = 0; i < 2; ++i) { |
1152 | 172k | nmv_context *const nmvc = &ec_ctx->nmvc; |
1153 | 172k | read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, nmvc, allow_hp); |
1154 | 172k | } |
1155 | 86.4k | break; |
1156 | 86.5k | } |
1157 | 301k | case NEAREST_NEARESTMV: { |
1158 | 301k | assert(is_compound); |
1159 | 301k | mv[0].as_int = nearest_mv[0].as_int; |
1160 | 301k | mv[1].as_int = nearest_mv[1].as_int; |
1161 | 301k | break; |
1162 | 301k | } |
1163 | 99.2k | case NEAR_NEARMV: { |
1164 | 99.2k | assert(is_compound); |
1165 | 99.3k | mv[0].as_int = near_mv[0].as_int; |
1166 | 99.3k | mv[1].as_int = near_mv[1].as_int; |
1167 | 99.3k | break; |
1168 | 99.2k | } |
1169 | 23.4k | case NEW_NEARESTMV: { |
1170 | 23.4k | nmv_context *const nmvc = &ec_ctx->nmvc; |
1171 | 23.4k | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); |
1172 | 23.4k | assert(is_compound); |
1173 | 23.4k | mv[1].as_int = nearest_mv[1].as_int; |
1174 | 23.4k | break; |
1175 | 23.4k | } |
1176 | 27.5k | case NEAREST_NEWMV: { |
1177 | 27.5k | nmv_context *const nmvc = &ec_ctx->nmvc; |
1178 | 27.5k | mv[0].as_int = nearest_mv[0].as_int; |
1179 | 27.5k | read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, allow_hp); |
1180 | 27.5k | assert(is_compound); |
1181 | 27.5k | break; |
1182 | 27.5k | } |
1183 | 32.5k | case NEAR_NEWMV: { |
1184 | 32.5k | nmv_context *const nmvc = &ec_ctx->nmvc; |
1185 | 32.5k | mv[0].as_int = near_mv[0].as_int; |
1186 | 32.5k | read_mv(r, &mv[1].as_mv, &ref_mv[1].as_mv, nmvc, allow_hp); |
1187 | 32.5k | assert(is_compound); |
1188 | 32.5k | break; |
1189 | 32.5k | } |
1190 | 32.5k | case NEW_NEARMV: { |
1191 | 12.7k | nmv_context *const nmvc = &ec_ctx->nmvc; |
1192 | 12.7k | read_mv(r, &mv[0].as_mv, &ref_mv[0].as_mv, nmvc, allow_hp); |
1193 | 12.7k | assert(is_compound); |
1194 | 12.7k | mv[1].as_int = near_mv[1].as_int; |
1195 | 12.7k | break; |
1196 | 12.7k | } |
1197 | 51.1k | case GLOBAL_GLOBALMV: { |
1198 | 51.1k | assert(is_compound); |
1199 | 51.1k | mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]], |
1200 | 51.1k | features->allow_high_precision_mv, |
1201 | 51.1k | bsize, xd->mi_col, xd->mi_row, |
1202 | 51.1k | features->cur_frame_force_integer_mv) |
1203 | 51.1k | .as_int; |
1204 | 51.1k | mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]], |
1205 | 51.1k | features->allow_high_precision_mv, |
1206 | 51.1k | bsize, xd->mi_col, xd->mi_row, |
1207 | 51.1k | features->cur_frame_force_integer_mv) |
1208 | 51.1k | .as_int; |
1209 | 51.1k | break; |
1210 | 51.1k | } |
1211 | 0 | default: { |
1212 | 0 | return 0; |
1213 | 51.1k | } |
1214 | 4.55M | } |
1215 | | |
1216 | 4.55M | int ret = is_mv_valid(&mv[0].as_mv); |
1217 | 4.55M | if (is_compound) { |
1218 | 633k | ret = ret && is_mv_valid(&mv[1].as_mv); |
1219 | 633k | } |
1220 | 4.55M | return ret; |
1221 | 4.55M | } |
1222 | | |
1223 | | static int read_is_inter_block(AV1_COMMON *const cm, MACROBLOCKD *const xd, |
1224 | 6.25M | int segment_id, aom_reader *r) { |
1225 | 6.25M | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { |
1226 | 122k | const int frame = get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME); |
1227 | 122k | if (frame < LAST_FRAME) return 0; |
1228 | 103k | return frame != INTRA_FRAME; |
1229 | 122k | } |
1230 | 6.12M | if (segfeature_active(&cm->seg, segment_id, SEG_LVL_GLOBALMV)) { |
1231 | 421k | return 1; |
1232 | 421k | } |
1233 | 5.70M | const int ctx = av1_get_intra_inter_context(xd); |
1234 | 5.70M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
1235 | 5.70M | const int is_inter = |
1236 | 5.70M | aom_read_symbol(r, ec_ctx->intra_inter_cdf[ctx], 2, ACCT_STR); |
1237 | 5.70M | return is_inter; |
1238 | 6.12M | } |
1239 | | |
1240 | | #if DEC_MISMATCH_DEBUG |
1241 | | static void dec_dump_logs(AV1_COMMON *cm, MB_MODE_INFO *const mbmi, int mi_row, |
1242 | | int mi_col, int16_t mode_ctx) { |
1243 | | int_mv mv[2] = { { 0 } }; |
1244 | | for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) |
1245 | | mv[ref].as_mv = mbmi->mv[ref].as_mv; |
1246 | | |
1247 | | const int16_t newmv_ctx = mode_ctx & NEWMV_CTX_MASK; |
1248 | | int16_t zeromv_ctx = -1; |
1249 | | int16_t refmv_ctx = -1; |
1250 | | if (mbmi->mode != NEWMV) { |
1251 | | zeromv_ctx = (mode_ctx >> GLOBALMV_OFFSET) & GLOBALMV_CTX_MASK; |
1252 | | if (mbmi->mode != GLOBALMV) |
1253 | | refmv_ctx = (mode_ctx >> REFMV_OFFSET) & REFMV_CTX_MASK; |
1254 | | } |
1255 | | |
1256 | | #define FRAME_TO_CHECK 11 |
1257 | | if (cm->current_frame.frame_number == FRAME_TO_CHECK && cm->show_frame == 1) { |
1258 | | printf( |
1259 | | "=== DECODER ===: " |
1260 | | "Frame=%d, (mi_row,mi_col)=(%d,%d), skip_mode=%d, mode=%d, bsize=%d, " |
1261 | | "show_frame=%d, mv[0]=(%d,%d), mv[1]=(%d,%d), ref[0]=%d, " |
1262 | | "ref[1]=%d, motion_mode=%d, mode_ctx=%d, " |
1263 | | "newmv_ctx=%d, zeromv_ctx=%d, refmv_ctx=%d, tx_size=%d\n", |
1264 | | cm->current_frame.frame_number, mi_row, mi_col, mbmi->skip_mode, |
1265 | | mbmi->mode, mbmi->sb_type, cm->show_frame, mv[0].as_mv.row, |
1266 | | mv[0].as_mv.col, mv[1].as_mv.row, mv[1].as_mv.col, mbmi->ref_frame[0], |
1267 | | mbmi->ref_frame[1], mbmi->motion_mode, mode_ctx, newmv_ctx, zeromv_ctx, |
1268 | | refmv_ctx, mbmi->tx_size); |
1269 | | } |
1270 | | } |
1271 | | #endif // DEC_MISMATCH_DEBUG |
1272 | | |
1273 | | static void read_inter_block_mode_info(AV1Decoder *const pbi, |
1274 | | DecoderCodingBlock *dcb, |
1275 | | MB_MODE_INFO *const mbmi, |
1276 | 4.55M | aom_reader *r) { |
1277 | 4.55M | AV1_COMMON *const cm = &pbi->common; |
1278 | 4.55M | FeatureFlags *const features = &cm->features; |
1279 | 4.55M | const BLOCK_SIZE bsize = mbmi->bsize; |
1280 | 4.55M | const int allow_hp = features->allow_high_precision_mv; |
1281 | 4.55M | int_mv nearestmv[2], nearmv[2]; |
1282 | 4.55M | int_mv ref_mvs[MODE_CTX_REF_FRAMES][MAX_MV_REF_CANDIDATES] = { { { 0 } } }; |
1283 | 4.55M | int16_t inter_mode_ctx[MODE_CTX_REF_FRAMES]; |
1284 | 4.55M | int pts[SAMPLES_ARRAY_SIZE], pts_inref[SAMPLES_ARRAY_SIZE]; |
1285 | 4.55M | MACROBLOCKD *const xd = &dcb->xd; |
1286 | 4.55M | FRAME_CONTEXT *ec_ctx = xd->tile_ctx; |
1287 | | |
1288 | 4.55M | mbmi->uv_mode = UV_DC_PRED; |
1289 | 4.55M | mbmi->palette_mode_info.palette_size[0] = 0; |
1290 | 4.55M | mbmi->palette_mode_info.palette_size[1] = 0; |
1291 | | |
1292 | 4.55M | av1_collect_neighbors_ref_counts(xd); |
1293 | | |
1294 | 4.55M | read_ref_frames(cm, xd, r, mbmi->segment_id, mbmi->ref_frame); |
1295 | 4.55M | const int is_compound = has_second_ref(mbmi); |
1296 | | |
1297 | 4.55M | const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); |
1298 | 4.55M | av1_find_mv_refs(cm, xd, mbmi, ref_frame, dcb->ref_mv_count, xd->ref_mv_stack, |
1299 | 4.55M | xd->weight, ref_mvs, /*global_mvs=*/NULL, inter_mode_ctx); |
1300 | | |
1301 | 4.55M | mbmi->ref_mv_idx = 0; |
1302 | | |
1303 | 4.55M | if (mbmi->skip_mode) { |
1304 | 108k | assert(is_compound); |
1305 | 108k | mbmi->mode = NEAREST_NEARESTMV; |
1306 | 4.44M | } else { |
1307 | 4.44M | if (segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP) || |
1308 | 4.44M | segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_GLOBALMV)) { |
1309 | 585k | mbmi->mode = GLOBALMV; |
1310 | 3.85M | } else { |
1311 | 3.85M | const int mode_ctx = |
1312 | 3.85M | av1_mode_context_analyzer(inter_mode_ctx, mbmi->ref_frame); |
1313 | 3.85M | if (is_compound) |
1314 | 524k | mbmi->mode = read_inter_compound_mode(xd, r, mode_ctx); |
1315 | 3.33M | else |
1316 | 3.33M | mbmi->mode = read_inter_mode(ec_ctx, r, mode_ctx); |
1317 | 3.85M | if (mbmi->mode == NEWMV || mbmi->mode == NEW_NEWMV || |
1318 | 3.85M | have_nearmv_in_inter_mode(mbmi->mode)) |
1319 | 2.47M | read_drl_idx(ec_ctx, dcb, mbmi, r); |
1320 | 3.85M | } |
1321 | 4.44M | } |
1322 | | |
1323 | 4.55M | if (is_compound != is_inter_compound_mode(mbmi->mode)) { |
1324 | 0 | aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME, |
1325 | 0 | "Prediction mode %d invalid with ref frame %d %d", |
1326 | 0 | mbmi->mode, mbmi->ref_frame[0], mbmi->ref_frame[1]); |
1327 | 0 | } |
1328 | | |
1329 | 4.55M | if (!is_compound && mbmi->mode != GLOBALMV) { |
1330 | 3.12M | av1_find_best_ref_mvs(allow_hp, ref_mvs[mbmi->ref_frame[0]], &nearestmv[0], |
1331 | 3.12M | &nearmv[0], features->cur_frame_force_integer_mv); |
1332 | 3.12M | } |
1333 | | |
1334 | 4.55M | if (is_compound && mbmi->mode != GLOBAL_GLOBALMV) { |
1335 | 582k | const int ref_mv_idx = mbmi->ref_mv_idx + 1; |
1336 | 582k | nearestmv[0] = xd->ref_mv_stack[ref_frame][0].this_mv; |
1337 | 582k | nearestmv[1] = xd->ref_mv_stack[ref_frame][0].comp_mv; |
1338 | 582k | nearmv[0] = xd->ref_mv_stack[ref_frame][ref_mv_idx].this_mv; |
1339 | 582k | nearmv[1] = xd->ref_mv_stack[ref_frame][ref_mv_idx].comp_mv; |
1340 | 582k | lower_mv_precision(&nearestmv[0].as_mv, allow_hp, |
1341 | 582k | features->cur_frame_force_integer_mv); |
1342 | 582k | lower_mv_precision(&nearestmv[1].as_mv, allow_hp, |
1343 | 582k | features->cur_frame_force_integer_mv); |
1344 | 582k | lower_mv_precision(&nearmv[0].as_mv, allow_hp, |
1345 | 582k | features->cur_frame_force_integer_mv); |
1346 | 582k | lower_mv_precision(&nearmv[1].as_mv, allow_hp, |
1347 | 582k | features->cur_frame_force_integer_mv); |
1348 | 3.96M | } else if (mbmi->ref_mv_idx > 0 && mbmi->mode == NEARMV) { |
1349 | 55.2k | nearmv[0] = |
1350 | 55.2k | xd->ref_mv_stack[mbmi->ref_frame[0]][1 + mbmi->ref_mv_idx].this_mv; |
1351 | 55.2k | } |
1352 | | |
1353 | 4.55M | int_mv ref_mv[2] = { nearestmv[0], nearestmv[1] }; |
1354 | | |
1355 | 4.55M | if (is_compound) { |
1356 | 634k | int ref_mv_idx = mbmi->ref_mv_idx; |
1357 | | // Special case: NEAR_NEWMV and NEW_NEARMV modes use |
1358 | | // 1 + mbmi->ref_mv_idx (like NEARMV) instead of |
1359 | | // mbmi->ref_mv_idx (like NEWMV) |
1360 | 634k | if (mbmi->mode == NEAR_NEWMV || mbmi->mode == NEW_NEARMV) |
1361 | 45.3k | ref_mv_idx = 1 + mbmi->ref_mv_idx; |
1362 | | |
1363 | | // TODO(jingning, yunqing): Do we need a lower_mv_precision() call here? |
1364 | 634k | if (compound_ref0_mode(mbmi->mode) == NEWMV) |
1365 | 122k | ref_mv[0] = xd->ref_mv_stack[ref_frame][ref_mv_idx].this_mv; |
1366 | | |
1367 | 634k | if (compound_ref1_mode(mbmi->mode) == NEWMV) |
1368 | 146k | ref_mv[1] = xd->ref_mv_stack[ref_frame][ref_mv_idx].comp_mv; |
1369 | 3.91M | } else { |
1370 | 3.91M | if (mbmi->mode == NEWMV) { |
1371 | 1.92M | if (dcb->ref_mv_count[ref_frame] > 1) |
1372 | 1.63M | ref_mv[0] = xd->ref_mv_stack[ref_frame][mbmi->ref_mv_idx].this_mv; |
1373 | 1.92M | } |
1374 | 3.91M | } |
1375 | | |
1376 | 4.55M | if (mbmi->skip_mode) assert(mbmi->mode == NEAREST_NEARESTMV); |
1377 | | |
1378 | 4.55M | const int mv_corrupted_flag = |
1379 | 4.55M | !assign_mv(cm, xd, mbmi->mode, mbmi->ref_frame, mbmi->mv, ref_mv, |
1380 | 4.55M | nearestmv, nearmv, is_compound, allow_hp, r); |
1381 | 4.55M | aom_merge_corrupted_flag(&dcb->corrupted, mv_corrupted_flag); |
1382 | | |
1383 | 4.55M | mbmi->use_wedge_interintra = 0; |
1384 | 4.55M | if (cm->seq_params->enable_interintra_compound && !mbmi->skip_mode && |
1385 | 4.55M | is_interintra_allowed(mbmi)) { |
1386 | 1.85M | const int bsize_group = size_group_lookup[bsize]; |
1387 | 1.85M | const int interintra = |
1388 | 1.85M | aom_read_symbol(r, ec_ctx->interintra_cdf[bsize_group], 2, ACCT_STR); |
1389 | 1.85M | assert(mbmi->ref_frame[1] == NONE_FRAME); |
1390 | 1.85M | if (interintra) { |
1391 | 339k | const INTERINTRA_MODE interintra_mode = |
1392 | 339k | read_interintra_mode(xd, r, bsize_group); |
1393 | 339k | mbmi->ref_frame[1] = INTRA_FRAME; |
1394 | 339k | mbmi->interintra_mode = interintra_mode; |
1395 | 339k | mbmi->angle_delta[PLANE_TYPE_Y] = 0; |
1396 | 339k | mbmi->angle_delta[PLANE_TYPE_UV] = 0; |
1397 | 339k | mbmi->filter_intra_mode_info.use_filter_intra = 0; |
1398 | 339k | if (av1_is_wedge_used(bsize)) { |
1399 | 339k | mbmi->use_wedge_interintra = aom_read_symbol( |
1400 | 339k | r, ec_ctx->wedge_interintra_cdf[bsize], 2, ACCT_STR); |
1401 | 339k | if (mbmi->use_wedge_interintra) { |
1402 | 97.7k | mbmi->interintra_wedge_index = (int8_t)aom_read_symbol( |
1403 | 97.7k | r, ec_ctx->wedge_idx_cdf[bsize], MAX_WEDGE_TYPES, ACCT_STR); |
1404 | 97.7k | } |
1405 | 339k | } |
1406 | 339k | } |
1407 | 1.85M | } |
1408 | | |
1409 | 9.73M | for (int ref = 0; ref < 1 + has_second_ref(mbmi); ++ref) { |
1410 | 5.18M | const MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref]; |
1411 | 5.18M | xd->block_ref_scale_factors[ref] = get_ref_scale_factors_const(cm, frame); |
1412 | 5.18M | } |
1413 | | |
1414 | 4.55M | mbmi->motion_mode = SIMPLE_TRANSLATION; |
1415 | 4.55M | if (is_motion_variation_allowed_bsize(mbmi->bsize) && !mbmi->skip_mode && |
1416 | 4.55M | !has_second_ref(mbmi)) { |
1417 | 2.39M | mbmi->num_proj_ref = av1_findSamples(cm, xd, pts, pts_inref); |
1418 | 2.39M | } |
1419 | 4.55M | av1_count_overlappable_neighbors(cm, xd); |
1420 | | |
1421 | 4.55M | if (mbmi->ref_frame[1] != INTRA_FRAME) |
1422 | 4.21M | mbmi->motion_mode = read_motion_mode(cm, xd, mbmi, r); |
1423 | | |
1424 | | // init |
1425 | 4.55M | mbmi->comp_group_idx = 0; |
1426 | 4.55M | mbmi->compound_idx = 1; |
1427 | 4.55M | mbmi->interinter_comp.type = COMPOUND_AVERAGE; |
1428 | | |
1429 | 4.55M | if (has_second_ref(mbmi) && !mbmi->skip_mode) { |
1430 | | // Read idx to indicate current compound inter prediction mode group |
1431 | 524k | const int masked_compound_used = is_any_masked_compound_used(bsize) && |
1432 | 524k | cm->seq_params->enable_masked_compound; |
1433 | | |
1434 | 524k | if (masked_compound_used) { |
1435 | 500k | const int ctx_comp_group_idx = get_comp_group_idx_context(xd); |
1436 | 500k | mbmi->comp_group_idx = (uint8_t)aom_read_symbol( |
1437 | 500k | r, ec_ctx->comp_group_idx_cdf[ctx_comp_group_idx], 2, ACCT_STR); |
1438 | 500k | } |
1439 | | |
1440 | 524k | if (mbmi->comp_group_idx == 0) { |
1441 | 375k | if (cm->seq_params->order_hint_info.enable_dist_wtd_comp) { |
1442 | 337k | const int comp_index_ctx = get_comp_index_context(cm, xd); |
1443 | 337k | mbmi->compound_idx = (uint8_t)aom_read_symbol( |
1444 | 337k | r, ec_ctx->compound_index_cdf[comp_index_ctx], 2, ACCT_STR); |
1445 | 337k | mbmi->interinter_comp.type = |
1446 | 337k | mbmi->compound_idx ? COMPOUND_AVERAGE : COMPOUND_DISTWTD; |
1447 | 337k | } else { |
1448 | | // Distance-weighted compound is disabled, so always use average |
1449 | 38.8k | mbmi->compound_idx = 1; |
1450 | 38.8k | mbmi->interinter_comp.type = COMPOUND_AVERAGE; |
1451 | 38.8k | } |
1452 | 375k | } else { |
1453 | 148k | assert(cm->current_frame.reference_mode != SINGLE_REFERENCE && |
1454 | 148k | is_inter_compound_mode(mbmi->mode) && |
1455 | 148k | mbmi->motion_mode == SIMPLE_TRANSLATION); |
1456 | 148k | assert(masked_compound_used); |
1457 | | |
1458 | | // compound_diffwtd, wedge |
1459 | 148k | if (is_interinter_compound_used(COMPOUND_WEDGE, bsize)) { |
1460 | 128k | mbmi->interinter_comp.type = |
1461 | 128k | COMPOUND_WEDGE + aom_read_symbol(r, |
1462 | 128k | ec_ctx->compound_type_cdf[bsize], |
1463 | 128k | MASKED_COMPOUND_TYPES, ACCT_STR); |
1464 | 128k | } else { |
1465 | 19.2k | mbmi->interinter_comp.type = COMPOUND_DIFFWTD; |
1466 | 19.2k | } |
1467 | | |
1468 | 148k | if (mbmi->interinter_comp.type == COMPOUND_WEDGE) { |
1469 | 59.9k | assert(is_interinter_compound_used(COMPOUND_WEDGE, bsize)); |
1470 | 59.9k | mbmi->interinter_comp.wedge_index = (int8_t)aom_read_symbol( |
1471 | 59.9k | r, ec_ctx->wedge_idx_cdf[bsize], MAX_WEDGE_TYPES, ACCT_STR); |
1472 | 59.9k | mbmi->interinter_comp.wedge_sign = (int8_t)aom_read_bit(r, ACCT_STR); |
1473 | 88.1k | } else { |
1474 | 88.1k | assert(mbmi->interinter_comp.type == COMPOUND_DIFFWTD); |
1475 | 88.2k | mbmi->interinter_comp.mask_type = |
1476 | 88.2k | aom_read_literal(r, MAX_DIFFWTD_MASK_BITS, ACCT_STR); |
1477 | 88.2k | } |
1478 | 148k | } |
1479 | 524k | } |
1480 | | |
1481 | 4.55M | read_mb_interp_filter(xd, features->interp_filter, |
1482 | 4.55M | cm->seq_params->enable_dual_filter, mbmi, r); |
1483 | | |
1484 | 4.55M | if (mbmi->motion_mode == WARPED_CAUSAL) { |
1485 | 305k | const int mi_row = xd->mi_row; |
1486 | 305k | const int mi_col = xd->mi_col; |
1487 | 305k | mbmi->wm_params.wmtype = DEFAULT_WMTYPE; |
1488 | 305k | mbmi->wm_params.invalid = 0; |
1489 | | |
1490 | 305k | if (mbmi->num_proj_ref > 1) { |
1491 | 239k | mbmi->num_proj_ref = av1_selectSamples(&mbmi->mv[0].as_mv, pts, pts_inref, |
1492 | 239k | mbmi->num_proj_ref, bsize); |
1493 | 239k | } |
1494 | | |
1495 | 305k | if (av1_find_projection(mbmi->num_proj_ref, pts, pts_inref, bsize, |
1496 | 305k | mbmi->mv[0].as_mv.row, mbmi->mv[0].as_mv.col, |
1497 | 305k | &mbmi->wm_params, mi_row, mi_col)) { |
1498 | | #if WARPED_MOTION_DEBUG |
1499 | | printf("Warning: unexpected warped model from aomenc\n"); |
1500 | | #endif |
1501 | 48.1k | mbmi->wm_params.invalid = 1; |
1502 | 48.1k | } |
1503 | 305k | } |
1504 | | |
1505 | 4.55M | xd->cfl.store_y = store_cfl_required(cm, xd); |
1506 | | |
1507 | | #if DEC_MISMATCH_DEBUG |
1508 | | dec_dump_logs(cm, mi, mi_row, mi_col, mode_ctx); |
1509 | | #endif // DEC_MISMATCH_DEBUG |
1510 | 4.55M | } |
1511 | | |
1512 | | static void read_inter_frame_mode_info(AV1Decoder *const pbi, |
1513 | 6.36M | DecoderCodingBlock *dcb, aom_reader *r) { |
1514 | 6.36M | AV1_COMMON *const cm = &pbi->common; |
1515 | 6.36M | MACROBLOCKD *const xd = &dcb->xd; |
1516 | 6.36M | MB_MODE_INFO *const mbmi = xd->mi[0]; |
1517 | 6.36M | int inter_block = 1; |
1518 | | |
1519 | 6.36M | mbmi->mv[0].as_int = 0; |
1520 | 6.36M | mbmi->mv[1].as_int = 0; |
1521 | 6.36M | mbmi->segment_id = read_inter_segment_id(cm, xd, 1, r); |
1522 | | |
1523 | 6.36M | mbmi->skip_mode = read_skip_mode(cm, xd, mbmi->segment_id, r); |
1524 | | |
1525 | 6.36M | if (mbmi->skip_mode) |
1526 | 108k | mbmi->skip_txfm = 1; |
1527 | 6.25M | else |
1528 | 6.25M | mbmi->skip_txfm = read_skip_txfm(cm, xd, mbmi->segment_id, r); |
1529 | | |
1530 | 6.36M | if (!cm->seg.segid_preskip) |
1531 | 5.70M | mbmi->segment_id = read_inter_segment_id(cm, xd, 0, r); |
1532 | | |
1533 | 6.36M | read_cdef(cm, r, xd); |
1534 | | |
1535 | 6.36M | read_delta_q_params(cm, xd, r); |
1536 | | |
1537 | 6.36M | if (!mbmi->skip_mode) |
1538 | 6.24M | inter_block = read_is_inter_block(cm, xd, mbmi->segment_id, r); |
1539 | | |
1540 | 6.36M | mbmi->current_qindex = xd->current_base_qindex; |
1541 | | |
1542 | 6.36M | xd->above_txfm_context = |
1543 | 6.36M | cm->above_contexts.txfm[xd->tile.tile_row] + xd->mi_col; |
1544 | 6.36M | xd->left_txfm_context = |
1545 | 6.36M | xd->left_txfm_context_buffer + (xd->mi_row & MAX_MIB_MASK); |
1546 | | |
1547 | 6.36M | if (inter_block) |
1548 | 4.55M | read_inter_block_mode_info(pbi, dcb, mbmi, r); |
1549 | 1.80M | else |
1550 | 1.80M | read_intra_block_mode_info(cm, xd, mbmi, r); |
1551 | 6.36M | } |
1552 | | |
1553 | | static void intra_copy_frame_mvs(AV1_COMMON *const cm, int mi_row, int mi_col, |
1554 | 4.75M | int x_mis, int y_mis) { |
1555 | 4.75M | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1); |
1556 | 4.75M | MV_REF *frame_mvs = |
1557 | 4.75M | cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); |
1558 | 4.75M | x_mis = ROUND_POWER_OF_TWO(x_mis, 1); |
1559 | 4.75M | y_mis = ROUND_POWER_OF_TWO(y_mis, 1); |
1560 | | |
1561 | 15.2M | for (int h = 0; h < y_mis; h++) { |
1562 | 10.4M | MV_REF *mv = frame_mvs; |
1563 | 57.3M | for (int w = 0; w < x_mis; w++) { |
1564 | 46.8M | mv->ref_frame = NONE_FRAME; |
1565 | 46.8M | mv++; |
1566 | 46.8M | } |
1567 | 10.4M | frame_mvs += frame_mvs_stride; |
1568 | 10.4M | } |
1569 | 4.75M | } |
1570 | | |
1571 | | void av1_read_mode_info(AV1Decoder *const pbi, DecoderCodingBlock *dcb, |
1572 | 15.6M | aom_reader *r, int x_mis, int y_mis) { |
1573 | 15.6M | AV1_COMMON *const cm = &pbi->common; |
1574 | 15.6M | MACROBLOCKD *const xd = &dcb->xd; |
1575 | 15.6M | MB_MODE_INFO *const mi = xd->mi[0]; |
1576 | 15.6M | mi->use_intrabc = 0; |
1577 | | |
1578 | 15.6M | if (frame_is_intra_only(cm)) { |
1579 | 9.25M | read_intra_frame_mode_info(cm, dcb, r); |
1580 | 9.25M | if (cm->seq_params->order_hint_info.enable_ref_frame_mvs) |
1581 | 4.75M | intra_copy_frame_mvs(cm, xd->mi_row, xd->mi_col, x_mis, y_mis); |
1582 | 9.25M | } else { |
1583 | 6.36M | read_inter_frame_mode_info(pbi, dcb, r); |
1584 | 6.36M | if (cm->seq_params->order_hint_info.enable_ref_frame_mvs) |
1585 | 6.25M | av1_copy_frame_mvs(cm, mi, xd->mi_row, xd->mi_col, x_mis, y_mis); |
1586 | 6.36M | } |
1587 | 15.6M | } |