FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/cbs_h265_syntax_template.c
Date: 2025-11-02 12:19:36
Exec Total Coverage
Lines: 848 1390 61.0%
Functions: 56 98 57.1%
Branches: 892 2360 37.8%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 8454 static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw)
20 {
21 int err;
22
23
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 8454 fixed(1, rbsp_stop_one_bit, 1);
24
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 61104 while (byte_alignment(rw) != 0)
25
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 52650 fixed(1, rbsp_alignment_zero_bit, 0);
26
27 8454 return 0;
28 }
29
30 35192 static int FUNC(nal_unit_header)(CodedBitstreamContext *ctx, RWContext *rw,
31 H265RawNALUnitHeader *current,
32 int expected_nal_unit_type)
33 {
34 int err;
35
36
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 35192 fixed(1, forbidden_zero_bit, 0);
37
38
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 35192 if (expected_nal_unit_type >= 0)
39
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 8454 u(6, nal_unit_type, expected_nal_unit_type,
40 expected_nal_unit_type);
41 else
42
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 26738 ub(6, nal_unit_type);
43
44
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 35192 u(6, nuh_layer_id, 0, 62);
45
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 35192 u(3, nuh_temporal_id_plus1, 1, 7);
46
47 35192 return 0;
48 }
49
50 26738 static int FUNC(byte_alignment)(CodedBitstreamContext *ctx, RWContext *rw)
51 {
52 int err;
53
54
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 26738 fixed(1, alignment_bit_equal_to_one, 1);
55
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 133640 while (byte_alignment(rw) != 0)
56
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 106902 fixed(1, alignment_bit_equal_to_zero, 0);
57
58 26738 return 0;
59 }
60
61 ✗ static int FUNC(extension_data)(CodedBitstreamContext *ctx, RWContext *rw,
62 H265RawExtensionData *current)
63 {
64 int err;
65 size_t k;
66 #ifdef READ
67 GetBitContext start;
68 uint8_t bit;
69 ✗ start = *rw;
70 ✗ for (k = 0; cbs_h2645_read_more_rbsp_data(rw); k++)
71 ✗ skip_bits(rw, 1);
72 ✗ current->bit_length = k;
73 ✗ if (k > 0) {
74 ✗ *rw = start;
75 ✗ allocate(current->data, (current->bit_length + 7) / 8);
76 ✗ for (k = 0; k < current->bit_length; k++) {
77 ✗ xu(1, extension_data, bit, 0, 1, 0);
78 ✗ current->data[k / 8] |= bit << (7 - k % 8);
79 }
80 }
81 #else
82 ✗ for (k = 0; k < current->bit_length; k++)
83 ✗ xu(1, extension_data, current->data[k / 8] >> (7 - k % 8) & 1, 0, 1, 0);
84 #endif
85 ✗ return 0;
86 }
87
88 488 static int FUNC(profile_tier_level)(CodedBitstreamContext *ctx, RWContext *rw,
89 H265RawProfileTierLevel *current,
90 int profile_present_flag,
91 int max_num_sub_layers_minus1)
92 {
93 int err, i, j;
94
95
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 488 if (profile_present_flag) {
96
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 488 u(2, general_profile_space, 0, 0);
97
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 488 flag(general_tier_flag);
98
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 488 ub(5, general_profile_idc);
99
100
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 16104 for (j = 0; j < 32; j++)
101
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 15616 flags(general_profile_compatibility_flag[j], 1, j);
102
103
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 488 flag(general_progressive_source_flag);
104
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 488 flag(general_interlaced_source_flag);
105
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 488 flag(general_non_packed_constraint_flag);
106
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 488 flag(general_frame_only_constraint_flag);
107
108 #define profile_compatible(x) (current->general_profile_idc == (x) || \
109 current->general_profile_compatibility_flag[x])
110
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 488 if (profile_compatible(4) || profile_compatible(5) ||
111
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 488 profile_compatible(6) || profile_compatible(7) ||
112
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 488 profile_compatible(8) || profile_compatible(9) ||
113
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 488 profile_compatible(10) || profile_compatible(11)) {
114 ✗ flag(general_max_12bit_constraint_flag);
115 ✗ flag(general_max_10bit_constraint_flag);
116 ✗ flag(general_max_8bit_constraint_flag);
117 ✗ flag(general_max_422chroma_constraint_flag);
118 ✗ flag(general_max_420chroma_constraint_flag);
119 ✗ flag(general_max_monochrome_constraint_flag);
120 ✗ flag(general_intra_constraint_flag);
121 ✗ flag(general_one_picture_only_constraint_flag);
122 ✗ flag(general_lower_bit_rate_constraint_flag);
123
124 ✗ if (profile_compatible(5) || profile_compatible(9) ||
125 ✗ profile_compatible(10) || profile_compatible(11)) {
126 ✗ flag(general_max_14bit_constraint_flag);
127 ✗ fixed(24, general_reserved_zero_33bits, 0);
128 ✗ fixed( 9, general_reserved_zero_33bits, 0);
129 } else {
130 ✗ fixed(24, general_reserved_zero_34bits, 0);
131 ✗ fixed(10, general_reserved_zero_34bits, 0);
132 }
133
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 488 } else if (profile_compatible(2)) {
134
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 376 fixed(7, general_reserved_zero_7bits, 0);
135
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 376 flag(general_one_picture_only_constraint_flag);
136
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 376 fixed(24, general_reserved_zero_35bits, 0);
137
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 376 fixed(11, general_reserved_zero_35bits, 0);
138 } else {
139
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 112 fixed(24, general_reserved_zero_43bits, 0);
140
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 112 fixed(19, general_reserved_zero_43bits, 0);
141 }
142
143
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 488 if (profile_compatible(1) || profile_compatible(2) ||
144 ✗ profile_compatible(3) || profile_compatible(4) ||
145 ✗ profile_compatible(5) || profile_compatible(9) ||
146 ✗ profile_compatible(11)) {
147
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 488 flag(general_inbld_flag);
148 } else {
149 ✗ fixed(1, general_reserved_zero_bit, 0);
150 }
151 #undef profile_compatible
152 }
153
154
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 488 ub(8, general_level_idc);
155
156
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 680 for (i = 0; i < max_num_sub_layers_minus1; i++) {
157
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 192 flags(sub_layer_profile_present_flag[i], 1, i);
158
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 192 flags(sub_layer_level_present_flag[i], 1, i);
159 }
160
161
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 488 if (max_num_sub_layers_minus1 > 0) {
162
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 672 for (i = max_num_sub_layers_minus1; i < 8; i++)
163
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 576 fixed(2, reserved_zero_2bits, 0);
164 }
165
166
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 680 for (i = 0; i < max_num_sub_layers_minus1; i++) {
167
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 192 if (current->sub_layer_profile_present_flag[i]) {
168
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 32 us(2, sub_layer_profile_space[i], 0, 0, 1, i);
169
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 32 flags(sub_layer_tier_flag[i], 1, i);
170
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 32 ubs(5, sub_layer_profile_idc[i], 1, i);
171
172
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 1056 for (j = 0; j < 32; j++)
173
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 1024 flags(sub_layer_profile_compatibility_flag[i][j], 2, i, j);
174
175
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 32 flags(sub_layer_progressive_source_flag[i], 1, i);
176
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 32 flags(sub_layer_interlaced_source_flag[i], 1, i);
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 32 flags(sub_layer_non_packed_constraint_flag[i], 1, i);
178
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 32 flags(sub_layer_frame_only_constraint_flag[i], 1, i);
179
180 #define profile_compatible(x) (current->sub_layer_profile_idc[i] == (x) || \
181 current->sub_layer_profile_compatibility_flag[i][x])
182
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 32 if (profile_compatible(4) || profile_compatible(5) ||
183
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 32 profile_compatible(6) || profile_compatible(7) ||
184
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 32 profile_compatible(8) || profile_compatible(9) ||
185
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 32 profile_compatible(10) || profile_compatible(11)) {
186 ✗ flags(sub_layer_max_12bit_constraint_flag[i], 1, i);
187 ✗ flags(sub_layer_max_10bit_constraint_flag[i], 1, i);
188 ✗ flags(sub_layer_max_8bit_constraint_flag[i], 1, i);
189 ✗ flags(sub_layer_max_422chroma_constraint_flag[i], 1, i);
190 ✗ flags(sub_layer_max_420chroma_constraint_flag[i], 1, i);
191 ✗ flags(sub_layer_max_monochrome_constraint_flag[i], 1, i);
192 ✗ flags(sub_layer_intra_constraint_flag[i], 1, i);
193 ✗ flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
194 ✗ flags(sub_layer_lower_bit_rate_constraint_flag[i], 1, i);
195
196 ✗ if (profile_compatible(5) || profile_compatible(9) ||
197 ✗ profile_compatible(10) || profile_compatible(11)) {
198 ✗ flags(sub_layer_max_14bit_constraint_flag[i], 1, i);
199 ✗ fixed(24, sub_layer_reserved_zero_33bits, 0);
200 ✗ fixed( 9, sub_layer_reserved_zero_33bits, 0);
201 } else {
202 ✗ fixed(24, sub_layer_reserved_zero_34bits, 0);
203 ✗ fixed(10, sub_layer_reserved_zero_34bits, 0);
204 }
205
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 32 } else if (profile_compatible(2)) {
206 ✗ fixed(7, sub_layer_reserved_zero_7bits, 0);
207 ✗ flags(sub_layer_one_picture_only_constraint_flag[i], 1, i);
208 ✗ fixed(24, sub_layer_reserved_zero_43bits, 0);
209 ✗ fixed(11, sub_layer_reserved_zero_43bits, 0);
210 } else {
211
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 32 fixed(24, sub_layer_reserved_zero_43bits, 0);
212
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 32 fixed(19, sub_layer_reserved_zero_43bits, 0);
213 }
214
215
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 32 if (profile_compatible(1) || profile_compatible(2) ||
216 ✗ profile_compatible(3) || profile_compatible(4) ||
217 ✗ profile_compatible(5) || profile_compatible(9) ||
218 ✗ profile_compatible(11)) {
219
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 32 flags(sub_layer_inbld_flag[i], 1, i);
220 } else {
221 ✗ fixed(1, sub_layer_reserved_zero_bit, 0);
222 }
223 #undef profile_compatible
224 }
225
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 192 if (current->sub_layer_level_present_flag[i])
226
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 32 ubs(8, sub_layer_level_idc[i], 1, i);
227 }
228
229 488 return 0;
230 }
231
232 32 static int FUNC(sub_layer_hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
233 H265RawHRDParameters *hrd,
234 int nal, int sub_layer_id)
235 {
236 H265RawSubLayerHRDParameters *current;
237 int err, i;
238
239
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 32 if (nal)
240 16 current = &hrd->nal_sub_layer_hrd_parameters[sub_layer_id];
241 else
242 16 current = &hrd->vcl_sub_layer_hrd_parameters[sub_layer_id];
243
244
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 64 for (i = 0; i <= hrd->cpb_cnt_minus1[sub_layer_id]; i++) {
245
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 32 ues(bit_rate_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
246
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 32 ues(cpb_size_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
247
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 32 if (hrd->sub_pic_hrd_params_present_flag) {
248
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 16 ues(cpb_size_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
249
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 16 ues(bit_rate_du_value_minus1[i], 0, UINT32_MAX - 1, 1, i);
250 }
251
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 32 flags(cbr_flag[i], 1, i);
252 }
253
254 32 return 0;
255 }
256
257 16 static int FUNC(hrd_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
258 H265RawHRDParameters *current, int common_inf_present_flag,
259 int max_num_sub_layers_minus1)
260 {
261 int err, i;
262
263
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 16 if (common_inf_present_flag) {
264
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 16 flag(nal_hrd_parameters_present_flag);
265
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 16 flag(vcl_hrd_parameters_present_flag);
266
267
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 16 if (current->nal_hrd_parameters_present_flag ||
268 ✗ current->vcl_hrd_parameters_present_flag) {
269
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 16 flag(sub_pic_hrd_params_present_flag);
270
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 16 if (current->sub_pic_hrd_params_present_flag) {
271
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 8 ub(8, tick_divisor_minus2);
272
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 8 ub(5, du_cpb_removal_delay_increment_length_minus1);
273
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 8 flag(sub_pic_cpb_params_in_pic_timing_sei_flag);
274
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 8 ub(5, dpb_output_delay_du_length_minus1);
275 }
276
277
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 16 ub(4, bit_rate_scale);
278
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 16 ub(4, cpb_size_scale);
279
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 16 if (current->sub_pic_hrd_params_present_flag)
280
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 8 ub(4, cpb_size_du_scale);
281
282
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 16 ub(5, initial_cpb_removal_delay_length_minus1);
283
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 16 ub(5, au_cpb_removal_delay_length_minus1);
284
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 16 ub(5, dpb_output_delay_length_minus1);
285 } else {
286 ✗ infer(sub_pic_hrd_params_present_flag, 0);
287
288 ✗ infer(initial_cpb_removal_delay_length_minus1, 23);
289 ✗ infer(au_cpb_removal_delay_length_minus1, 23);
290 ✗ infer(dpb_output_delay_length_minus1, 23);
291 }
292 }
293
294
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 32 for (i = 0; i <= max_num_sub_layers_minus1; i++) {
295
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 16 flags(fixed_pic_rate_general_flag[i], 1, i);
296
297
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 16 if (!current->fixed_pic_rate_general_flag[i])
298
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 8 flags(fixed_pic_rate_within_cvs_flag[i], 1, i);
299 else
300
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 8 infer(fixed_pic_rate_within_cvs_flag[i], 1);
301
302
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 16 if (current->fixed_pic_rate_within_cvs_flag[i]) {
303
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 8 ues(elemental_duration_in_tc_minus1[i], 0, 2047, 1, i);
304
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 8 infer(low_delay_hrd_flag[i], 0);
305 } else
306
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 8 flags(low_delay_hrd_flag[i], 1, i);
307
308
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 16 if (!current->low_delay_hrd_flag[i])
309
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 16 ues(cpb_cnt_minus1[i], 0, 31, 1, i);
310 else
311 ✗ infer(cpb_cnt_minus1[i], 0);
312
313
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 16 if (current->nal_hrd_parameters_present_flag)
314
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 16 CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 0, i));
315
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 16 if (current->vcl_hrd_parameters_present_flag)
316
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 16 CHECK(FUNC(sub_layer_hrd_parameters)(ctx, rw, current, 1, i));
317 }
318
319 16 return 0;
320 }
321
322 112 static int FUNC(vui_parameters)(CodedBitstreamContext *ctx, RWContext *rw,
323 H265RawVUI *current, const H265RawSPS *sps)
324 {
325 int err;
326
327
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 112 flag(aspect_ratio_info_present_flag);
328
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 112 if (current->aspect_ratio_info_present_flag) {
329
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 56 ub(8, aspect_ratio_idc);
330
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 56 if (current->aspect_ratio_idc == 255) {
331 ✗ ub(16, sar_width);
332 ✗ ub(16, sar_height);
333 }
334 } else {
335
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 56 infer(aspect_ratio_idc, 0);
336 }
337
338
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 112 flag(overscan_info_present_flag);
339
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 112 if (current->overscan_info_present_flag)
340 ✗ flag(overscan_appropriate_flag);
341
342
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 112 flag(video_signal_type_present_flag);
343
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 112 if (current->video_signal_type_present_flag) {
344
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 8 ub(3, video_format);
345
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 8 flag(video_full_range_flag);
346
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 8 flag(colour_description_present_flag);
347
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 8 if (current->colour_description_present_flag) {
348
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 8 ub(8, colour_primaries);
349
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 8 ub(8, transfer_characteristics);
350
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 8 ub(8, matrix_coefficients);
351 } else {
352 ✗ infer(colour_primaries, 2);
353 ✗ infer(transfer_characteristics, 2);
354 ✗ infer(matrix_coefficients, 2);
355 }
356 } else {
357
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 104 infer(video_format, 5);
358
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 104 infer(video_full_range_flag, 0);
359
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 104 infer(colour_primaries, 2);
360
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 104 infer(transfer_characteristics, 2);
361
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 104 infer(matrix_coefficients, 2);
362 }
363
364
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 112 flag(chroma_loc_info_present_flag);
365
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 112 if (current->chroma_loc_info_present_flag) {
366 ✗ ue(chroma_sample_loc_type_top_field, 0, 5);
367 ✗ ue(chroma_sample_loc_type_bottom_field, 0, 5);
368 } else {
369
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 112 infer(chroma_sample_loc_type_top_field, 0);
370
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 112 infer(chroma_sample_loc_type_bottom_field, 0);
371 }
372
373
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 112 flag(neutral_chroma_indication_flag);
374
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 112 flag(field_seq_flag);
375
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 112 flag(frame_field_info_present_flag);
376
377
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 112 flag(default_display_window_flag);
378
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 112 if (current->default_display_window_flag) {
379
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 56 ue(def_disp_win_left_offset, 0, 16384);
380
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 56 ue(def_disp_win_right_offset, 0, 16384);
381
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 56 ue(def_disp_win_top_offset, 0, 16384);
382
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 56 ue(def_disp_win_bottom_offset, 0, 16384);
383 }
384
385
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 112 flag(vui_timing_info_present_flag);
386
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 112 if (current->vui_timing_info_present_flag) {
387
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 16 u(32, vui_num_units_in_tick, 1, UINT32_MAX);
388
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 16 u(32, vui_time_scale, 1, UINT32_MAX);
389
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 16 flag(vui_poc_proportional_to_timing_flag);
390
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 16 if (current->vui_poc_proportional_to_timing_flag)
391
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 8 ue(vui_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
392
393
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 16 flag(vui_hrd_parameters_present_flag);
394
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 16 if (current->vui_hrd_parameters_present_flag) {
395
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 16 CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters,
396 1, sps->sps_max_sub_layers_minus1));
397 }
398 }
399
400
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 112 flag(bitstream_restriction_flag);
401
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 112 if (current->bitstream_restriction_flag) {
402
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 48 flag(tiles_fixed_structure_flag);
403
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 48 flag(motion_vectors_over_pic_boundaries_flag);
404
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 48 flag(restricted_ref_pic_lists_flag);
405
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 48 ue(min_spatial_segmentation_idc, 0, 4095);
406
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 48 ue(max_bytes_per_pic_denom, 0, 16);
407
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 48 ue(max_bits_per_min_cu_denom, 0, 16);
408
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 48 ue(log2_max_mv_length_horizontal, 0, 16);
409
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 48 ue(log2_max_mv_length_vertical, 0, 16);
410 } else {
411
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 64 infer(tiles_fixed_structure_flag, 0);
412
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 64 infer(motion_vectors_over_pic_boundaries_flag, 1);
413
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 64 infer(min_spatial_segmentation_idc, 0);
414
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 64 infer(max_bytes_per_pic_denom, 2);
415
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 64 infer(max_bits_per_min_cu_denom, 1);
416
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 64 infer(log2_max_mv_length_horizontal, 15);
417
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 64 infer(log2_max_mv_length_vertical, 15);
418 }
419
420 112 return 0;
421 }
422
423 240 static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw,
424 H265RawVPS *current)
425 {
426 int err, i, j;
427
428 240 HEADER("Video Parameter Set");
429
430
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 240 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_VPS));
431
432
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 240 ub(4, vps_video_parameter_set_id);
433
434
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 240 flag(vps_base_layer_internal_flag);
435
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 240 flag(vps_base_layer_available_flag);
436
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 240 u(6, vps_max_layers_minus1, 0, HEVC_MAX_LAYERS - 1);
437
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 240 u(3, vps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
438
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 240 flag(vps_temporal_id_nesting_flag);
439
440
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 240 if (current->vps_max_sub_layers_minus1 == 0 &&
441
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 192 current->vps_temporal_id_nesting_flag != 1) {
442 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
443 "vps_temporal_id_nesting_flag must be 1 if "
444 "vps_max_sub_layers_minus1 is 0.\n");
445 ✗ return AVERROR_INVALIDDATA;
446 }
447
448
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 240 fixed(16, vps_reserved_0xffff_16bits, 0xffff);
449
450
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 240 CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
451 1, current->vps_max_sub_layers_minus1));
452
453
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 240 flag(vps_sub_layer_ordering_info_present_flag);
454 240 for (i = (current->vps_sub_layer_ordering_info_present_flag ?
455
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 240 0 : current->vps_max_sub_layers_minus1);
456
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 496 i <= current->vps_max_sub_layers_minus1; i++) {
457
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 256 ues(vps_max_dec_pic_buffering_minus1[i],
458 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
459
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 256 ues(vps_max_num_reorder_pics[i],
460 0, current->vps_max_dec_pic_buffering_minus1[i], 1, i);
461
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 256 ues(vps_max_latency_increase_plus1[i],
462 0, UINT32_MAX - 1, 1, i);
463 }
464
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 240 if (!current->vps_sub_layer_ordering_info_present_flag) {
465
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 128 for (i = 0; i < current->vps_max_sub_layers_minus1; i++) {
466
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 80 infer(vps_max_dec_pic_buffering_minus1[i],
467 current->vps_max_dec_pic_buffering_minus1[current->vps_max_sub_layers_minus1]);
468
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 80 infer(vps_max_num_reorder_pics[i],
469 current->vps_max_num_reorder_pics[current->vps_max_sub_layers_minus1]);
470
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 80 infer(vps_max_latency_increase_plus1[i],
471 current->vps_max_latency_increase_plus1[current->vps_max_sub_layers_minus1]);
472 }
473 }
474
475
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 240 u(6, vps_max_layer_id, 0, HEVC_MAX_LAYERS - 1);
476
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 240 ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1);
477
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 240 for (i = 1; i <= current->vps_num_layer_sets_minus1; i++) {
478 ✗ for (j = 0; j <= current->vps_max_layer_id; j++)
479 ✗ flags(layer_id_included_flag[i][j], 2, i, j);
480 }
481
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 480 for (j = 0; j <= current->vps_max_layer_id; j++)
482
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 240 infer(layer_id_included_flag[0][j], j == 0);
483
484
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 240 flag(vps_timing_info_present_flag);
485
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 240 if (current->vps_timing_info_present_flag) {
486
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 8 u(32, vps_num_units_in_tick, 1, UINT32_MAX);
487
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 8 u(32, vps_time_scale, 1, UINT32_MAX);
488
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 8 flag(vps_poc_proportional_to_timing_flag);
489
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 8 if (current->vps_poc_proportional_to_timing_flag)
490
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 8 ue(vps_num_ticks_poc_diff_one_minus1, 0, UINT32_MAX - 1);
491
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 8 ue(vps_num_hrd_parameters, 0, current->vps_num_layer_sets_minus1 + 1);
492
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 8 for (i = 0; i < current->vps_num_hrd_parameters; i++) {
493 ✗ ues(hrd_layer_set_idx[i],
494 current->vps_base_layer_internal_flag ? 0 : 1,
495 current->vps_num_layer_sets_minus1, 1, i);
496 ✗ if (i > 0)
497 ✗ flags(cprms_present_flag[i], 1, i);
498 else
499 ✗ infer(cprms_present_flag[0], 1);
500
501 ✗ CHECK(FUNC(hrd_parameters)(ctx, rw, &current->hrd_parameters[i],
502 current->cprms_present_flag[i],
503 current->vps_max_sub_layers_minus1));
504 }
505 }
506
507
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 240 flag(vps_extension_flag);
508
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 240 if (current->vps_extension_flag)
509 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
510
511
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 240 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
512
513 240 return 0;
514 }
515
516 9722 static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx, RWContext *rw,
517 H265RawSTRefPicSet *current, int st_rps_idx,
518 const H265RawSPS *sps)
519 {
520 int err, i, j;
521
522
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 9722 if (st_rps_idx != 0)
523
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 9378 flag(inter_ref_pic_set_prediction_flag);
524 else
525
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 344 infer(inter_ref_pic_set_prediction_flag, 0);
526
527
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 9722 if (current->inter_ref_pic_set_prediction_flag) {
528 unsigned int ref_rps_idx, num_delta_pocs, num_ref_pics;
529 const H265RawSTRefPicSet *ref;
530 int delta_rps, d_poc;
531 int ref_delta_poc_s0[HEVC_MAX_REFS], ref_delta_poc_s1[HEVC_MAX_REFS];
532 int delta_poc_s0[HEVC_MAX_REFS], delta_poc_s1[HEVC_MAX_REFS];
533 uint8_t used_by_curr_pic_s0[HEVC_MAX_REFS],
534 used_by_curr_pic_s1[HEVC_MAX_REFS];
535
536
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 2554 if (st_rps_idx == sps->num_short_term_ref_pic_sets)
537
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 818 ue(delta_idx_minus1, 0, st_rps_idx - 1);
538 else
539
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 1736 infer(delta_idx_minus1, 0);
540
541 2554 ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
542 2554 ref = &sps->st_ref_pic_set[ref_rps_idx];
543 2554 num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
544
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 2554 av_assert0(num_delta_pocs < HEVC_MAX_DPB_SIZE);
545
546
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 2554 flag(delta_rps_sign);
547
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 2554 ue(abs_delta_rps_minus1, 0, INT16_MAX);
548 2554 delta_rps = (1 - 2 * current->delta_rps_sign) *
549 2554 (current->abs_delta_rps_minus1 + 1);
550
551 2554 num_ref_pics = 0;
552
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 13750 for (j = 0; j <= num_delta_pocs; j++) {
553
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 11196 flags(used_by_curr_pic_flag[j], 1, j);
554
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 11196 if (!current->used_by_curr_pic_flag[j])
555
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 2536 flags(use_delta_flag[j], 1, j);
556 else
557
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 8660 infer(use_delta_flag[j], 1);
558
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 11196 if (current->use_delta_flag[j])
559 8660 ++num_ref_pics;
560 }
561
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 2554 if (num_ref_pics >= HEVC_MAX_DPB_SIZE) {
562 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
563 "short-term ref pic set %d "
564 "contains too many pictures.\n", st_rps_idx);
565 ✗ return AVERROR_INVALIDDATA;
566 }
567
568 // Since the stored form of an RPS here is actually the delta-step
569 // form used when inter_ref_pic_set_prediction_flag is not set, we
570 // need to reconstruct that here in order to be able to refer to
571 // the RPS later (which is required for parsing, because we don't
572 // even know what syntax elements appear without it). Therefore,
573 // this code takes the delta-step form of the reference set, turns
574 // it into the delta-array form, applies the prediction process of
575 // 7.4.8, converts the result back to the delta-step form, and
576 // stores that as the current set for future use. Note that the
577 // inferences here mean that writers using prediction will need
578 // to fill in the delta-step values correctly as well - since the
579 // whole RPS prediction process is somewhat overly sophisticated,
580 // this hopefully forms a useful check for them to ensure their
581 // predicted form actually matches what was intended rather than
582 // an onerous additional requirement.
583
584 2554 d_poc = 0;
585
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 8258 for (i = 0; i < ref->num_negative_pics; i++) {
586 5704 d_poc -= ref->delta_poc_s0_minus1[i] + 1;
587 5704 ref_delta_poc_s0[i] = d_poc;
588 }
589 2554 d_poc = 0;
590
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 5492 for (i = 0; i < ref->num_positive_pics; i++) {
591 2938 d_poc += ref->delta_poc_s1_minus1[i] + 1;
592 2938 ref_delta_poc_s1[i] = d_poc;
593 }
594
595 2554 i = 0;
596
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 5492 for (j = ref->num_positive_pics - 1; j >= 0; j--) {
597 2938 d_poc = ref_delta_poc_s1[j] + delta_rps;
598
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 2938 if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
599 750 delta_poc_s0[i] = d_poc;
600 750 used_by_curr_pic_s0[i++] =
601 750 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
602 }
603 }
604
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 2554 if (delta_rps < 0 && current->use_delta_flag[num_delta_pocs]) {
605 472 delta_poc_s0[i] = delta_rps;
606 472 used_by_curr_pic_s0[i++] =
607 472 current->used_by_curr_pic_flag[num_delta_pocs];
608 }
609
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 8258 for (j = 0; j < ref->num_negative_pics; j++) {
610 5704 d_poc = ref_delta_poc_s0[j] + delta_rps;
611
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 5704 if (d_poc < 0 && current->use_delta_flag[j]) {
612 4196 delta_poc_s0[i] = d_poc;
613 4196 used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
614 }
615 }
616
617
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 2554 infer(num_negative_pics, i);
618
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 7972 for (i = 0; i < current->num_negative_pics; i++) {
619
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 5418 infer(delta_poc_s0_minus1[i],
620 -(delta_poc_s0[i] - (i == 0 ? 0 : delta_poc_s0[i - 1])) - 1);
621
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 5418 infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
622 }
623
624 2554 i = 0;
625
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 8258 for (j = ref->num_negative_pics - 1; j >= 0; j--) {
626 5704 d_poc = ref_delta_poc_s0[j] + delta_rps;
627
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 5704 if (d_poc > 0 && current->use_delta_flag[j]) {
628 ✗ delta_poc_s1[i] = d_poc;
629 ✗ used_by_curr_pic_s1[i++] = current->used_by_curr_pic_flag[j];
630 }
631 }
632
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 2554 if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
633 1250 delta_poc_s1[i] = delta_rps;
634 1250 used_by_curr_pic_s1[i++] =
635 1250 current->used_by_curr_pic_flag[num_delta_pocs];
636 }
637
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 5492 for (j = 0; j < ref->num_positive_pics; j++) {
638 2938 d_poc = ref_delta_poc_s1[j] + delta_rps;
639
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 2938 if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
640 1992 delta_poc_s1[i] = d_poc;
641 1992 used_by_curr_pic_s1[i++] =
642 1992 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
643 }
644 }
645
646
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 2554 infer(num_positive_pics, i);
647
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 5796 for (i = 0; i < current->num_positive_pics; i++) {
648
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 3242 infer(delta_poc_s1_minus1[i],
649 delta_poc_s1[i] - (i == 0 ? 0 : delta_poc_s1[i - 1]) - 1);
650
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 3242 infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
651 }
652
653 } else {
654
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 7168 ue(num_negative_pics, 0, 15);
655
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 7168 ue(num_positive_pics, 0, 15 - current->num_negative_pics);
656
657
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 26848 for (i = 0; i < current->num_negative_pics; i++) {
658
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 19680 ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
659
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 19680 flags(used_by_curr_pic_s0_flag[i], 1, i);
660 }
661
662
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 8788 for (i = 0; i < current->num_positive_pics; i++) {
663
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 1620 ues(delta_poc_s1_minus1[i], 0, INT16_MAX, 1, i);
664
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 1620 flags(used_by_curr_pic_s1_flag[i], 1, i);
665 }
666 }
667
668 9722 return 0;
669 }
670
671 352 static int FUNC(scaling_list_data)(CodedBitstreamContext *ctx, RWContext *rw,
672 H265RawScalingList *current)
673 {
674 int sizeId, matrixId;
675 int err, n, i;
676
677
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 1760 for (sizeId = 0; sizeId < 4; sizeId++) {
678
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✓ Branch 3 taken 704 times.
 8448 for (matrixId = 0; matrixId < 6; matrixId += (sizeId == 3 ? 3 : 1)) {
679
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 7040 flags(scaling_list_pred_mode_flag[sizeId][matrixId],
680 2, sizeId, matrixId);
681
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 7040 if (!current->scaling_list_pred_mode_flag[sizeId][matrixId]) {
682
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✓ Branch 4 taken 1564 times.
 3128 ues(scaling_list_pred_matrix_id_delta[sizeId][matrixId],
683 0, sizeId == 3 ? matrixId / 3 : matrixId,
684 2, sizeId, matrixId);
685 } else {
686 3912 n = FFMIN(64, 1 << (4 + (sizeId << 1)));
687
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 3912 if (sizeId > 1) {
688
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 2376 ses(scaling_list_dc_coef_minus8[sizeId - 2][matrixId], -7, +247,
689 2, sizeId - 2, matrixId);
690 }
691
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 215112 for (i = 0; i < n; i++) {
692
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 211200 ses(scaling_list_delta_coeff[sizeId][matrixId][i],
693 -128, +127, 3, sizeId, matrixId, i);
694 }
695 }
696 }
697 }
698
699 352 return 0;
700 }
701
702 ✗ static int FUNC(sps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw,
703 H265RawSPS *current)
704 {
705 int err;
706
707 ✗ flag(transform_skip_rotation_enabled_flag);
708 ✗ flag(transform_skip_context_enabled_flag);
709 ✗ flag(implicit_rdpcm_enabled_flag);
710 ✗ flag(explicit_rdpcm_enabled_flag);
711 ✗ flag(extended_precision_processing_flag);
712 ✗ flag(intra_smoothing_disabled_flag);
713 ✗ flag(high_precision_offsets_enabled_flag);
714 ✗ flag(persistent_rice_adaptation_enabled_flag);
715 ✗ flag(cabac_bypass_alignment_enabled_flag);
716
717 ✗ return 0;
718 }
719
720 ✗ static int FUNC(sps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw,
721 H265RawSPS *current)
722 {
723 int err, comp, i;
724
725 ✗ flag(sps_curr_pic_ref_enabled_flag);
726
727 ✗ flag(palette_mode_enabled_flag);
728 ✗ if (current->palette_mode_enabled_flag) {
729 ✗ ue(palette_max_size, 0, 64);
730 ✗ ue(delta_palette_max_predictor_size, 0, 128);
731
732 ✗ flag(sps_palette_predictor_initializer_present_flag);
733 ✗ if (current->sps_palette_predictor_initializer_present_flag) {
734 ✗ ue(sps_num_palette_predictor_initializer_minus1, 0, 127);
735 ✗ for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) {
736 ✗ int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8
737 ✗ : current->bit_depth_chroma_minus8 + 8;
738 ✗ for (i = 0; i <= current->sps_num_palette_predictor_initializer_minus1; i++)
739 ✗ ubs(bit_depth, sps_palette_predictor_initializers[comp][i], 2, comp, i);
740 }
741 }
742 }
743
744 ✗ u(2, motion_vector_resolution_control_idc, 0, 2);
745 ✗ flag(intra_boundary_filtering_disable_flag);
746
747 ✗ return 0;
748 }
749
750 ✗ static int FUNC(sps_multilayer_extension)(CodedBitstreamContext *ctx, RWContext *rw,
751 H265RawSPS *current)
752 {
753 int err;
754
755 ✗ flag(inter_view_mv_vert_constraint_flag);
756
757 ✗ return 0;
758 }
759
760 136 static int FUNC(vui_parameters_default)(CodedBitstreamContext *ctx,
761 RWContext *rw, H265RawVUI *current,
762 H265RawSPS *sps)
763 {
764
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 136 infer(aspect_ratio_idc, 0);
765
766
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 136 infer(video_format, 5);
767
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 136 infer(video_full_range_flag, 0);
768
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 136 infer(colour_primaries, 2);
769
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 136 infer(transfer_characteristics, 2);
770
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 136 infer(matrix_coefficients, 2);
771
772
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 136 infer(chroma_sample_loc_type_top_field, 0);
773
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 136 infer(chroma_sample_loc_type_bottom_field, 0);
774
775
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 136 infer(tiles_fixed_structure_flag, 0);
776
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 136 infer(motion_vectors_over_pic_boundaries_flag, 1);
777
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 136 infer(min_spatial_segmentation_idc, 0);
778
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 136 infer(max_bytes_per_pic_denom, 2);
779
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 136 infer(max_bits_per_min_cu_denom, 1);
780
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 136 infer(log2_max_mv_length_horizontal, 15);
781
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 136 infer(log2_max_mv_length_vertical, 15);
782
783 136 return 0;
784 }
785
786 248 static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw,
787 H265RawSPS *current)
788 {
789 248 CodedBitstreamH265Context *h265 = ctx->priv_data;
790 const H265RawVPS *vps;
791 int err, i;
792 unsigned int min_cb_log2_size_y, ctb_log2_size_y,
793 min_cb_size_y, min_tb_log2_size_y;
794 unsigned int multi_layer_ext_sps_flag;
795
796 248 HEADER("Sequence Parameter Set");
797
798
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 248 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
799
800
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 248 ub(4, sps_video_parameter_set_id);
801 248 h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
802
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 248 if (!vps) {
803 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available.\n",
804 ✗ current->sps_video_parameter_set_id);
805 ✗ return AVERROR_INVALIDDATA;
806 }
807
808
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 248 if (current->nal_unit_header.nuh_layer_id == 0)
809
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 248 u(3, sps_max_sub_layers_minus1, 0, vps->vps_max_sub_layers_minus1);
810 else {
811 ✗ u(3, sps_ext_or_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS);
812 ✗ infer(sps_max_sub_layers_minus1, current->sps_ext_or_max_sub_layers_minus1 == HEVC_MAX_SUB_LAYERS
813 ? vps->vps_max_sub_layers_minus1
814 : current->sps_ext_or_max_sub_layers_minus1);
815 }
816
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 248 multi_layer_ext_sps_flag = current->nal_unit_header.nuh_layer_id &&
817 ✗ current->sps_ext_or_max_sub_layers_minus1 == HEVC_MAX_SUB_LAYERS;
818
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 248 if (!multi_layer_ext_sps_flag) {
819
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 248 flag(sps_temporal_id_nesting_flag);
820
821
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 248 if (vps->vps_temporal_id_nesting_flag &&
822
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 200 !current->sps_temporal_id_nesting_flag) {
823 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
824 "sps_temporal_id_nesting_flag must be 1 if "
825 "vps_temporal_id_nesting_flag is 1.\n");
826 ✗ return AVERROR_INVALIDDATA;
827 }
828
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 248 if (current->sps_max_sub_layers_minus1 == 0 &&
829
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 200 current->sps_temporal_id_nesting_flag != 1) {
830 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
831 "sps_temporal_id_nesting_flag must be 1 if "
832 "sps_max_sub_layers_minus1 is 0.\n");
833 ✗ return AVERROR_INVALIDDATA;
834 }
835
836
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 248 CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
837 1, current->sps_max_sub_layers_minus1));
838 } else {
839 ✗ if (current->sps_max_sub_layers_minus1 > 0)
840 ✗ infer(sps_temporal_id_nesting_flag, vps->vps_temporal_id_nesting_flag);
841 else
842 ✗ infer(sps_temporal_id_nesting_flag, 1);
843 }
844
845
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 248 ue(sps_seq_parameter_set_id, 0, 15);
846
847
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 248 if (multi_layer_ext_sps_flag) {
848 ✗ flag(update_rep_format_flag);
849 ✗ if (current->update_rep_format_flag)
850 ✗ ub(8, sps_rep_format_idx);
851 } else {
852
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 248 ue(chroma_format_idc, 0, 3);
853
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 248 if (current->chroma_format_idc == 3)
854 ✗ flag(separate_colour_plane_flag);
855 else
856
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 248 infer(separate_colour_plane_flag, 0);
857
858
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 248 ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
859
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 248 ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
860
861
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 248 flag(conformance_window_flag);
862
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 248 if (current->conformance_window_flag) {
863
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 200 ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
864
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 200 ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
865
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 200 ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
866
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 200 ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
867 } else {
868
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 48 infer(conf_win_left_offset, 0);
869
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 48 infer(conf_win_right_offset, 0);
870
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 48 infer(conf_win_top_offset, 0);
871
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 48 infer(conf_win_bottom_offset, 0);
872 }
873
874
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 248 ue(bit_depth_luma_minus8, 0, 8);
875
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 248 ue(bit_depth_chroma_minus8, 0, 8);
876 }
877
878
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 248 ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
879
880
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 248 if (!multi_layer_ext_sps_flag) {
881
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 248 flag(sps_sub_layer_ordering_info_present_flag);
882 248 for (i = (current->sps_sub_layer_ordering_info_present_flag ?
883
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✓ Branch 1 taken 100 times.
 248 0 : current->sps_max_sub_layers_minus1);
884
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 512 i <= current->sps_max_sub_layers_minus1; i++) {
885
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 264 ues(sps_max_dec_pic_buffering_minus1[i],
886 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
887
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 264 ues(sps_max_num_reorder_pics[i],
888 0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
889
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 264 ues(sps_max_latency_increase_plus1[i],
890 0, UINT32_MAX - 1, 1, i);
891 }
892
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 248 if (!current->sps_sub_layer_ordering_info_present_flag) {
893
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 128 for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
894
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 80 infer(sps_max_dec_pic_buffering_minus1[i],
895 current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
896
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 80 infer(sps_max_num_reorder_pics[i],
897 current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
898
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 80 infer(sps_max_latency_increase_plus1[i],
899 current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
900 }
901 }
902 }
903
904
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 248 ue(log2_min_luma_coding_block_size_minus3, 0, 3);
905 248 min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
906
907
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 248 ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
908 248 ctb_log2_size_y = min_cb_log2_size_y +
909 248 current->log2_diff_max_min_luma_coding_block_size;
910
911 248 min_cb_size_y = 1 << min_cb_log2_size_y;
912
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 248 if (current->pic_width_in_luma_samples % min_cb_size_y ||
913
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 248 current->pic_height_in_luma_samples % min_cb_size_y) {
914 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
915 ✗ "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
916 ✗ current->pic_height_in_luma_samples, min_cb_size_y);
917 ✗ return AVERROR_INVALIDDATA;
918 }
919
920
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 248 ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
921 248 min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
922
923
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 248 ue(log2_diff_max_min_luma_transform_block_size,
924 0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
925
926
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 248 ue(max_transform_hierarchy_depth_inter,
927 0, ctb_log2_size_y - min_tb_log2_size_y);
928
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 248 ue(max_transform_hierarchy_depth_intra,
929 0, ctb_log2_size_y - min_tb_log2_size_y);
930
931
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 248 flag(scaling_list_enabled_flag);
932
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 248 if (current->scaling_list_enabled_flag) {
933
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 16 if (multi_layer_ext_sps_flag)
934 ✗ flag(sps_infer_scaling_list_flag);
935 else
936
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 16 infer(sps_infer_scaling_list_flag, 0);
937
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 16 if (current->sps_infer_scaling_list_flag)
938 ✗ ub(6, sps_scaling_list_ref_layer_id);
939 else {
940
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 16 flag(sps_scaling_list_data_present_flag);
941
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 16 if (current->sps_scaling_list_data_present_flag)
942
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 16 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
943 }
944 } else {
945
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 232 infer(sps_scaling_list_data_present_flag, 0);
946 }
947
948
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 248 flag(amp_enabled_flag);
949
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 248 flag(sample_adaptive_offset_enabled_flag);
950
951
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 248 flag(pcm_enabled_flag);
952
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 248 if (current->pcm_enabled_flag) {
953
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 8 u(4, pcm_sample_bit_depth_luma_minus1,
954 0, current->bit_depth_luma_minus8 + 8 - 1);
955
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 8 u(4, pcm_sample_bit_depth_chroma_minus1,
956 0, current->bit_depth_chroma_minus8 + 8 - 1);
957
958
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 8 ue(log2_min_pcm_luma_coding_block_size_minus3,
959 FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
960
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 8 ue(log2_diff_max_min_pcm_luma_coding_block_size,
961 0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
962
963
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 8 flag(pcm_loop_filter_disabled_flag);
964 }
965
966
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 248 ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
967
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 2432 for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
968
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 2184 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
969
970
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 248 flag(long_term_ref_pics_present_flag);
971
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 248 if (current->long_term_ref_pics_present_flag) {
972
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 56 ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
973
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 120 for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
974
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 64 ubs(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
975 lt_ref_pic_poc_lsb_sps[i], 1, i);
976
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 64 flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
977 }
978 }
979
980
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 248 flag(sps_temporal_mvp_enabled_flag);
981
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 248 flag(strong_intra_smoothing_enabled_flag);
982
983
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 248 flag(vui_parameters_present_flag);
984
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 248 if (current->vui_parameters_present_flag)
985
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 112 CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
986 else
987
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 136 CHECK(FUNC(vui_parameters_default)(ctx, rw, &current->vui, current));
988
989
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 248 flag(sps_extension_present_flag);
990
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 248 if (current->sps_extension_present_flag) {
991 ✗ flag(sps_range_extension_flag);
992 ✗ flag(sps_multilayer_extension_flag);
993 ✗ flag(sps_3d_extension_flag);
994 ✗ flag(sps_scc_extension_flag);
995 ✗ ub(4, sps_extension_4bits);
996 }
997
998
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 248 if (current->sps_range_extension_flag)
999 ✗ CHECK(FUNC(sps_range_extension)(ctx, rw, current));
1000
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 248 if (current->sps_multilayer_extension_flag)
1001 ✗ CHECK(FUNC(sps_multilayer_extension)(ctx, rw, current));
1002
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 248 if (current->sps_3d_extension_flag)
1003 ✗ return AVERROR_PATCHWELCOME;
1004
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 248 if (current->sps_scc_extension_flag)
1005 ✗ CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
1006
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 248 if (current->sps_extension_4bits)
1007 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1008
1009
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 248 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1010
1011 248 return 0;
1012 }
1013
1014 ✗ static int FUNC(pps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1015 H265RawPPS *current)
1016 {
1017 ✗ CodedBitstreamH265Context *h265 = ctx->priv_data;
1018 ✗ const H265RawSPS *sps = h265->active_sps;
1019 int err, i;
1020
1021 ✗ if (current->transform_skip_enabled_flag)
1022 ✗ ue(log2_max_transform_skip_block_size_minus2, 0, 3);
1023 ✗ flag(cross_component_prediction_enabled_flag);
1024
1025 ✗ flag(chroma_qp_offset_list_enabled_flag);
1026 ✗ if (current->chroma_qp_offset_list_enabled_flag) {
1027 ✗ ue(diff_cu_chroma_qp_offset_depth,
1028 0, sps->log2_diff_max_min_luma_coding_block_size);
1029 ✗ ue(chroma_qp_offset_list_len_minus1, 0, 5);
1030 ✗ for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
1031 ✗ ses(cb_qp_offset_list[i], -12, +12, 1, i);
1032 ✗ ses(cr_qp_offset_list[i], -12, +12, 1, i);
1033 }
1034 }
1035
1036 ✗ ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
1037 ✗ ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
1038
1039 ✗ return 0;
1040 }
1041
1042 ✗ static int FUNC(colour_mapping_octants)(CodedBitstreamContext *ctx, RWContext *rw,
1043 H265RawPPS *current, unsigned int inp_depth,
1044 unsigned int idx_y, unsigned int idx_cb,
1045 unsigned int idx_cr, unsigned int inp_length)
1046 {
1047 int part_num_y, cm_res_bits;
1048 int err;
1049
1050 ✗ part_num_y = 1 << current->cm_y_part_num_log2;
1051
1052 ✗ av_assert0(inp_depth <= 1);
1053 ✗ if (inp_depth < current->cm_octant_depth)
1054 ✗ flags(split_octant_flag[inp_depth], 1, inp_depth);
1055 else
1056 ✗ infer(split_octant_flag[inp_depth], 0);
1057
1058 ✗ if (current->split_octant_flag[inp_depth])
1059 ✗ for (int k = 0; k < 2; k++)
1060 ✗ for (int m = 0; m < 2; m++)
1061 ✗ for (int n = 0; n < 2; n++)
1062 ✗ CHECK(FUNC(colour_mapping_octants)(ctx, rw, current, inp_depth + 1,
1063 idx_y + part_num_y * k * inp_length / 2,
1064 idx_cb + m * inp_length / 2,
1065 idx_cr + n * inp_length / 2,
1066 inp_length / 2));
1067 else
1068 ✗ for (int i = 0; i < part_num_y; i++) {
1069 ✗ int idx_shift_y = idx_y + (i << (current->cm_octant_depth - inp_depth));
1070 ✗ for (int j = 0; j < 4; j++) {
1071 ✗ flags(coded_res_flag[idx_shift_y][idx_cb][idx_cr][j],
1072 4, idx_shift_y, idx_cb, idx_cr, j);
1073 ✗ if (current->coded_res_flag[idx_shift_y][idx_cb][idx_cr][j]) {
1074 ✗ for (int c = 0; c < 3; c++) {
1075 ✗ ues(res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c], 0, 3,
1076 5, idx_shift_y, idx_cb, idx_cr, j, c);
1077 ✗ cm_res_bits = FFMAX(0, 10 + (current->luma_bit_depth_cm_input_minus8 + 8) -
1078 (current->luma_bit_depth_cm_output_minus8 + 8) -
1079 current->cm_res_quant_bits - (current->cm_delta_flc_bits_minus1 + 1));
1080 ✗ if (cm_res_bits)
1081 ✗ ubs(cm_res_bits, res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c],
1082 5, idx_shift_y, idx_cb, idx_cr, j, c);
1083 else
1084 ✗ infer(res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1085 ✗ if (current->res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c] ||
1086 ✗ current->res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c])
1087 ✗ ub(1, res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c]);
1088 else
1089 ✗ infer(res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1090 }
1091 } else {
1092 ✗ for (int c = 0; c < 3; c++) {
1093 ✗ infer(res_coeff_q[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1094 ✗ infer(res_coeff_r[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1095 ✗ infer(res_coeff_s[idx_shift_y][idx_cb][idx_cr][j][c], 0);
1096 }
1097 }
1098 }
1099 }
1100
1101 ✗ return 0;
1102 }
1103
1104 ✗ static int FUNC(colour_mapping_table)(CodedBitstreamContext *ctx, RWContext *rw,
1105 H265RawPPS *current)
1106 {
1107 int err;
1108
1109 ✗ ue(num_cm_ref_layers_minus1, 0, 61);
1110 ✗ for (int i = 0; i <= current->num_cm_ref_layers_minus1; i++)
1111 ✗ ubs(6, cm_ref_layer_id[i], 1, i);
1112
1113 ✗ u(2, cm_octant_depth, 0, 1);
1114 ✗ u(2, cm_y_part_num_log2, 0, 3 - current->cm_octant_depth);
1115
1116 ✗ ue(luma_bit_depth_cm_input_minus8, 0, 8);
1117 ✗ ue(chroma_bit_depth_cm_input_minus8, 0, 8);
1118 ✗ ue(luma_bit_depth_cm_output_minus8, 0, 8);
1119 ✗ ue(chroma_bit_depth_cm_output_minus8, 0, 8);
1120
1121 ✗ ub(2, cm_res_quant_bits);
1122 ✗ ub(2, cm_delta_flc_bits_minus1);
1123
1124 ✗ if (current->cm_octant_depth == 1) {
1125 ✗ se(cm_adapt_threshold_u_delta, -32768, 32767);
1126 ✗ se(cm_adapt_threshold_v_delta, -32768, 32767);
1127 } else {
1128 ✗ infer(cm_adapt_threshold_u_delta, 0);
1129 ✗ infer(cm_adapt_threshold_v_delta, 0);
1130 }
1131
1132 ✗ CHECK(FUNC(colour_mapping_octants)(ctx, rw, current, 0, 0, 0, 0, 1 << current->cm_octant_depth));
1133
1134 ✗ return 0;
1135 }
1136
1137 ✗ static int FUNC(pps_multilayer_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1138 H265RawPPS *current)
1139 {
1140 ✗ CodedBitstreamH265Context *h265 = ctx->priv_data;
1141 ✗ const H265RawVPS *vps = h265->active_vps;
1142 int offset;
1143 int err, i;
1144
1145 ✗ flag(poc_reset_info_present_flag);
1146 ✗ flag(pps_infer_scaling_list_flag);
1147 ✗ if (current->pps_infer_scaling_list_flag)
1148 ✗ ub(6, pps_scaling_list_ref_layer_id);
1149
1150 ✗ if (!vps) {
1151 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS missing for PPS Multilayer Extension.\n");
1152 ✗ return AVERROR_INVALIDDATA;
1153 }
1154
1155 ✗ ue(num_ref_loc_offsets, 0, vps->vps_max_layers_minus1);
1156 ✗ for (i = 0; i < current->num_ref_loc_offsets; i++) {
1157 ✗ ubs(6, ref_loc_offset_layer_id[i], 1, i);
1158 ✗ offset = current->ref_loc_offset_layer_id[i];
1159 ✗ flags(scaled_ref_layer_offset_present_flag[i], 1, i);
1160 ✗ if (current->scaled_ref_layer_offset_present_flag[i]) {
1161 ✗ ses(scaled_ref_layer_left_offset[offset], -16384, 16383, 1, offset);
1162 ✗ ses(scaled_ref_layer_top_offset[offset], -16384, 16383, 1, offset);
1163 ✗ ses(scaled_ref_layer_right_offset[offset], -16384, 16383, 1, offset);
1164 ✗ ses(scaled_ref_layer_bottom_offset[offset], -16384, 16383, 1, offset);
1165 } else {
1166 ✗ infer(scaled_ref_layer_left_offset[offset], 0);
1167 ✗ infer(scaled_ref_layer_top_offset[offset], 0);
1168 ✗ infer(scaled_ref_layer_right_offset[offset], 0);
1169 ✗ infer(scaled_ref_layer_bottom_offset[offset], 0);
1170 }
1171 ✗ flags(ref_region_offset_present_flag[i], 1, i);
1172 ✗ if (current->ref_region_offset_present_flag[i]) {
1173 ✗ ses(ref_region_left_offset[offset], -16384, 16383, 1, offset);
1174 ✗ ses(ref_region_top_offset[offset], -16384, 16383, 1, offset);
1175 ✗ ses(ref_region_right_offset[offset], -16384, 16383, 1, offset);
1176 ✗ ses(ref_region_bottom_offset[offset], -16384, 16383, 1, offset);
1177 } else {
1178 ✗ infer(ref_region_left_offset[offset], 0);
1179 ✗ infer(ref_region_top_offset[offset], 0);
1180 ✗ infer(ref_region_right_offset[offset], 0);
1181 ✗ infer(ref_region_bottom_offset[offset], 0);
1182 }
1183 ✗ flags(resample_phase_set_present_flag[i], 1, i);
1184 ✗ if (current->resample_phase_set_present_flag[i]) {
1185 ✗ ues(phase_hor_luma[offset], 0, 31, 1, offset);
1186 ✗ ues(phase_ver_luma[offset], 0, 31, 1, offset);
1187 ✗ ues(phase_hor_chroma_plus8[offset], 0, 63, 1, offset);
1188 ✗ ues(phase_ver_chroma_plus8[offset], 0, 63, 1, offset);
1189 } else {
1190 ✗ infer(phase_hor_luma[offset], 0);
1191 ✗ infer(phase_ver_luma[offset], 0);
1192 ✗ infer(phase_hor_chroma_plus8[offset], 8);
1193 }
1194 }
1195
1196 ✗ flag(colour_mapping_enabled_flag);
1197 ✗ if (current->colour_mapping_enabled_flag)
1198 ✗ CHECK(FUNC(colour_mapping_table)(ctx, rw, current));
1199
1200 ✗ return 0;
1201 }
1202
1203 ✗ static int FUNC(pps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw,
1204 H265RawPPS *current)
1205 {
1206 int err, comp, i;
1207
1208 ✗ flag(pps_curr_pic_ref_enabled_flag);
1209
1210 ✗ flag(residual_adaptive_colour_transform_enabled_flag);
1211 ✗ if (current->residual_adaptive_colour_transform_enabled_flag) {
1212 ✗ flag(pps_slice_act_qp_offsets_present_flag);
1213 ✗ se(pps_act_y_qp_offset_plus5, -7, +17);
1214 ✗ se(pps_act_cb_qp_offset_plus5, -7, +17);
1215 ✗ se(pps_act_cr_qp_offset_plus3, -9, +15);
1216 } else {
1217 ✗ infer(pps_slice_act_qp_offsets_present_flag, 0);
1218 ✗ infer(pps_act_y_qp_offset_plus5, 0);
1219 ✗ infer(pps_act_cb_qp_offset_plus5, 0);
1220 ✗ infer(pps_act_cr_qp_offset_plus3, 0);
1221 }
1222
1223 ✗ flag(pps_palette_predictor_initializer_present_flag);
1224 ✗ if (current->pps_palette_predictor_initializer_present_flag) {
1225 ✗ ue(pps_num_palette_predictor_initializer, 0, 128);
1226 ✗ if (current->pps_num_palette_predictor_initializer > 0) {
1227 ✗ flag(monochrome_palette_flag);
1228 ✗ ue(luma_bit_depth_entry_minus8, 0, 8);
1229 ✗ if (!current->monochrome_palette_flag)
1230 ✗ ue(chroma_bit_depth_entry_minus8, 0, 8);
1231 ✗ for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
1232 ✗ int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
1233 ✗ : current->chroma_bit_depth_entry_minus8 + 8;
1234 ✗ for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
1235 ✗ ubs(bit_depth, pps_palette_predictor_initializers[comp][i], 2, comp, i);
1236 }
1237 }
1238 }
1239
1240 ✗ return 0;
1241 }
1242
1243 1148 static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw,
1244 H265RawPPS *current)
1245 {
1246 1148 CodedBitstreamH265Context *h265 = ctx->priv_data;
1247 const H265RawSPS *sps;
1248 int err, i;
1249
1250 1148 HEADER("Picture Parameter Set");
1251
1252
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 1148 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
1253
1254
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 1148 ue(pps_pic_parameter_set_id, 0, 63);
1255
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 1148 ue(pps_seq_parameter_set_id, 0, 15);
1256 1148 sps = h265->sps[current->pps_seq_parameter_set_id];
1257
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 1148 if (!sps) {
1258 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1259 ✗ current->pps_seq_parameter_set_id);
1260 ✗ return AVERROR_INVALIDDATA;
1261 }
1262 1148 h265->active_sps = sps;
1263
1264
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 1148 flag(dependent_slice_segments_enabled_flag);
1265
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 1148 flag(output_flag_present_flag);
1266
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 1148 ub(3, num_extra_slice_header_bits);
1267
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 1148 flag(sign_data_hiding_enabled_flag);
1268
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 1148 flag(cabac_init_present_flag);
1269
1270
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 1148 ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1271
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 1148 ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1272
1273
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 1148 se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
1274
1275
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 1148 flag(constrained_intra_pred_flag);
1276
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 1148 flag(transform_skip_enabled_flag);
1277
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 1148 flag(cu_qp_delta_enabled_flag);
1278
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 1148 if (current->cu_qp_delta_enabled_flag)
1279
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 56 ue(diff_cu_qp_delta_depth,
1280 0, sps->log2_diff_max_min_luma_coding_block_size);
1281 else
1282
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 1092 infer(diff_cu_qp_delta_depth, 0);
1283
1284
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 1148 se(pps_cb_qp_offset, -12, +12);
1285
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 1148 se(pps_cr_qp_offset, -12, +12);
1286
1/2
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 1148 flag(pps_slice_chroma_qp_offsets_present_flag);
1287
1288
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✓ Branch 2 taken 574 times.
 1148 flag(weighted_pred_flag);
1289
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 1148 flag(weighted_bipred_flag);
1290
1291
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 1148 flag(transquant_bypass_enabled_flag);
1292
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 1148 flag(tiles_enabled_flag);
1293
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 1148 flag(entropy_coding_sync_enabled_flag);
1294
1295
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✓ Branch 1 taken 364 times.
 1148 if (current->tiles_enabled_flag) {
1296
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 420 ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
1297
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 420 ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
1298
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✓ Branch 2 taken 210 times.
 420 flag(uniform_spacing_flag);
1299
2/2
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✓ Branch 1 taken 8 times.
 420 if (!current->uniform_spacing_flag) {
1300
2/2
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✓ Branch 1 taken 202 times.
 2020 for (i = 0; i < current->num_tile_columns_minus1; i++)
1301
1/2
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 1616 ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i);
1302
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✓ Branch 1 taken 202 times.
 2020 for (i = 0; i < current->num_tile_rows_minus1; i++)
1303
1/2
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 1616 ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i);
1304 }
1305
1/2
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✓ Branch 2 taken 210 times.
 420 flag(loop_filter_across_tiles_enabled_flag);
1306 } else {
1307
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✓ Branch 1 taken 182 times.
 728 infer(num_tile_columns_minus1, 0);
1308
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 728 infer(num_tile_rows_minus1, 0);
1309 }
1310
1311
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✓ Branch 2 taken 574 times.
 1148 flag(pps_loop_filter_across_slices_enabled_flag);
1312
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✓ Branch 2 taken 574 times.
 1148 flag(deblocking_filter_control_present_flag);
1313
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✓ Branch 1 taken 348 times.
 1148 if (current->deblocking_filter_control_present_flag) {
1314
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 452 flag(deblocking_filter_override_enabled_flag);
1315
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✓ Branch 2 taken 226 times.
 452 flag(pps_deblocking_filter_disabled_flag);
1316
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✓ Branch 1 taken 4 times.
 452 if (!current->pps_deblocking_filter_disabled_flag) {
1317
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✓ Branch 2 taken 222 times.
 444 se(pps_beta_offset_div2, -6, +6);
1318
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✓ Branch 2 taken 222 times.
 444 se(pps_tc_offset_div2, -6, +6);
1319 } else {
1320
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 8 infer(pps_beta_offset_div2, 0);
1321
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 8 infer(pps_tc_offset_div2, 0);
1322 }
1323 } else {
1324
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✓ Branch 1 taken 174 times.
 696 infer(deblocking_filter_override_enabled_flag, 0);
1325
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✓ Branch 1 taken 174 times.
 696 infer(pps_deblocking_filter_disabled_flag, 0);
1326
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✓ Branch 1 taken 174 times.
 696 infer(pps_beta_offset_div2, 0);
1327
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 696 infer(pps_tc_offset_div2, 0);
1328 }
1329
1330
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✓ Branch 2 taken 574 times.
 1148 flag(pps_scaling_list_data_present_flag);
1331
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✓ Branch 1 taken 406 times.
 1148 if (current->pps_scaling_list_data_present_flag)
1332
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 336 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1333
1334
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✓ Branch 2 taken 574 times.
 1148 flag(lists_modification_present_flag);
1335
1336
1/2
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✓ Branch 2 taken 574 times.
 1148 ue(log2_parallel_merge_level_minus2,
1337 0, (sps->log2_min_luma_coding_block_size_minus3 + 3 +
1338 sps->log2_diff_max_min_luma_coding_block_size - 2));
1339
1340
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 1148 flag(slice_segment_header_extension_present_flag);
1341
1342
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✓ Branch 2 taken 574 times.
 1148 flag(pps_extension_present_flag);
1343
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 1148 if (current->pps_extension_present_flag) {
1344 ✗ flag(pps_range_extension_flag);
1345 ✗ flag(pps_multilayer_extension_flag);
1346 ✗ flag(pps_3d_extension_flag);
1347 ✗ flag(pps_scc_extension_flag);
1348 ✗ ub(4, pps_extension_4bits);
1349 }
1350
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✓ Branch 1 taken 574 times.
 1148 if (current->pps_range_extension_flag)
1351 ✗ CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1352
1/2
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 1148 if (current->pps_multilayer_extension_flag)
1353 ✗ CHECK(FUNC(pps_multilayer_extension)(ctx, rw, current));
1354
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✓ Branch 1 taken 574 times.
 1148 if (current->pps_3d_extension_flag)
1355 ✗ return AVERROR_PATCHWELCOME;
1356
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 1148 if (current->pps_scc_extension_flag)
1357 ✗ CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1358
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 1148 if (current->pps_extension_4bits)
1359 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1360
1361
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✓ Branch 2 taken 574 times.
 1148 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1362
1363 1148 return 0;
1364 }
1365
1366 240 static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw,
1367 H265RawAUD *current)
1368 {
1369 int err;
1370
1371 240 HEADER("Access Unit Delimiter");
1372
1373
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 240 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1374
1375
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✓ Branch 2 taken 120 times.
 240 u(3, pic_type, 0, 2);
1376
1377
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✓ Branch 2 taken 120 times.
 240 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1378
1379 240 return 0;
1380 }
1381
1382 2992 static int FUNC(ref_pic_lists_modification)(CodedBitstreamContext *ctx, RWContext *rw,
1383 H265RawSliceHeader *current,
1384 unsigned int num_pic_total_curr)
1385 {
1386 unsigned int entry_size;
1387 int err, i;
1388
1389 2992 entry_size = av_log2(num_pic_total_curr - 1) + 1;
1390
1391
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 2992 flag(ref_pic_list_modification_flag_l0);
1392
2/2
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✓ Branch 1 taken 770 times.
 2992 if (current->ref_pic_list_modification_flag_l0) {
1393
2/2
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✓ Branch 1 taken 726 times.
 4796 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1394
1/2
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✓ Branch 2 taken 1672 times.
 3344 us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1395 }
1396
1397
1/2
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✗ Branch 1 not taken.
 2992 if (current->slice_type == HEVC_SLICE_B) {
1398
1/2
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✓ Branch 2 taken 1496 times.
 2992 flag(ref_pic_list_modification_flag_l1);
1399
2/2
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✓ Branch 1 taken 1070 times.
 2992 if (current->ref_pic_list_modification_flag_l1) {
1400
2/2
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✓ Branch 1 taken 426 times.
 2872 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1401
1/2
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✓ Branch 2 taken 1010 times.
 2020 us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1402 }
1403 }
1404
1405 2992 return 0;
1406 }
1407
1408 1020 static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
1409 H265RawSliceHeader *current)
1410 {
1411 1020 CodedBitstreamH265Context *h265 = ctx->priv_data;
1412 1020 const H265RawSPS *sps = h265->active_sps;
1413 int err, i, j;
1414
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 2040 int chroma = !sps->separate_colour_plane_flag &&
1415
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✗ Branch 1 not taken.
 1020 sps->chroma_format_idc != 0;
1416
1417
1/2
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 1020 ue(luma_log2_weight_denom, 0, 7);
1418
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✗ Branch 1 not taken.
 1020 if (chroma)
1419
1/2
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 1020 se(delta_chroma_log2_weight_denom, -7, 7);
1420 else
1421 ✗ infer(delta_chroma_log2_weight_denom, 0);
1422
1423
2/2
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✓ Branch 1 taken 510 times.
 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1424 if (1 /* is not same POC and same layer_id */)
1425
1/2
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✓ Branch 2 taken 2028 times.
 4056 flags(luma_weight_l0_flag[i], 1, i);
1426 else
1427 infer(luma_weight_l0_flag[i], 0);
1428 }
1429
1/2
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✗ Branch 1 not taken.
 1020 if (chroma) {
1430
2/2
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✓ Branch 1 taken 510 times.
 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1431 if (1 /* is not same POC and same layer_id */)
1432
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2028 times.
 4056 flags(chroma_weight_l0_flag[i], 1, i);
1433 else
1434 infer(chroma_weight_l0_flag[i], 0);
1435 }
1436 }
1437
1438
2/2
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✓ Branch 1 taken 510 times.
 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1439
2/2
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✓ Branch 1 taken 488 times.
 4056 if (current->luma_weight_l0_flag[i]) {
1440
1/2
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✓ Branch 2 taken 1540 times.
 3080 ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1441
1/2
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✓ Branch 2 taken 1540 times.
 3080 ses(luma_offset_l0[i],
1442 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1443 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1444 } else {
1445
1/2
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✓ Branch 1 taken 244 times.
 976 infer(delta_luma_weight_l0[i], 0);
1446
1/2
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✓ Branch 1 taken 244 times.
 976 infer(luma_offset_l0[i], 0);
1447 }
1448
2/2
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✓ Branch 1 taken 1522 times.
 4056 if (current->chroma_weight_l0_flag[i]) {
1449
2/2
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✓ Branch 1 taken 506 times.
 3036 for (j = 0; j < 2; j++) {
1450
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✓ Branch 2 taken 1012 times.
 2024 ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1451
1/2
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✓ Branch 2 taken 1012 times.
 2024 ses(chroma_offset_l0[i][j],
1452 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1453 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1454 }
1455 } else {
1456
2/2
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✓ Branch 1 taken 1522 times.
 9132 for (j = 0; j < 2; j++) {
1457
1/2
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✓ Branch 1 taken 1522 times.
 6088 infer(delta_chroma_weight_l0[i][j], 0);
1458
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✓ Branch 1 taken 1522 times.
 6088 infer(chroma_offset_l0[i][j], 0);
1459 }
1460 }
1461 }
1462
1463
1/2
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✓ Branch 1 taken 510 times.
 1020 if (current->slice_type == HEVC_SLICE_B) {
1464 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1465 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1466 ✗ flags(luma_weight_l1_flag[i], 1, i);
1467 else
1468 infer(luma_weight_l1_flag[i], 0);
1469 }
1470 ✗ if (chroma) {
1471 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1472 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1473 ✗ flags(chroma_weight_l1_flag[i], 1, i);
1474 else
1475 infer(chroma_weight_l1_flag[i], 0);
1476 }
1477 }
1478
1479 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1480 ✗ if (current->luma_weight_l1_flag[i]) {
1481 ✗ ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1482 ✗ ses(luma_offset_l1[i],
1483 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1484 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1485 } else {
1486 ✗ infer(delta_luma_weight_l1[i], 0);
1487 ✗ infer(luma_offset_l1[i], 0);
1488 }
1489 ✗ if (current->chroma_weight_l1_flag[i]) {
1490 ✗ for (j = 0; j < 2; j++) {
1491 ✗ ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1492 ✗ ses(chroma_offset_l1[i][j],
1493 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1494 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1495 }
1496 } else {
1497 ✗ for (j = 0; j < 2; j++) {
1498 ✗ infer(delta_chroma_weight_l1[i][j], 0);
1499 ✗ infer(chroma_offset_l1[i][j], 0);
1500 }
1501 }
1502 }
1503 }
1504
1505 1020 return 0;
1506 }
1507
1508 26738 static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw,
1509 H265RawSliceHeader *current)
1510 {
1511 26738 CodedBitstreamH265Context *h265 = ctx->priv_data;
1512 const H265RawSPS *sps;
1513 const H265RawPPS *pps;
1514 unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1515 unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1516 26738 unsigned int num_pic_total_curr = 0;
1517 int err, i;
1518
1519 26738 HEADER("Slice Segment Header");
1520
1521
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 26738 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1522
1523
1/2
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✓ Branch 2 taken 13369 times.
 26738 flag(first_slice_segment_in_pic_flag);
1524
1525
2/2
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✓ Branch 1 taken 13097 times.
 26738 if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1526
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✗ Branch 1 not taken.
 544 current->nal_unit_header.nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
1527
1/2
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✓ Branch 2 taken 272 times.
 544 flag(no_output_of_prior_pics_flag);
1528
1529
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✓ Branch 2 taken 13369 times.
 26738 ue(slice_pic_parameter_set_id, 0, 63);
1530
1531 26738 pps = h265->pps[current->slice_pic_parameter_set_id];
1532
1/2
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✓ Branch 1 taken 13369 times.
 26738 if (!pps) {
1533 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1534 ✗ current->slice_pic_parameter_set_id);
1535 ✗ return AVERROR_INVALIDDATA;
1536 }
1537 26738 h265->active_pps = pps;
1538
1539 26738 sps = h265->sps[pps->pps_seq_parameter_set_id];
1540
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✓ Branch 1 taken 13369 times.
 26738 if (!sps) {
1541 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1542 ✗ pps->pps_seq_parameter_set_id);
1543 ✗ return AVERROR_INVALIDDATA;
1544 }
1545 26738 h265->active_sps = sps;
1546
1547 26738 min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1548 26738 ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1549 26738 ctb_size_y = 1 << ctb_log2_size_y;
1550 26738 pic_width_in_ctbs_y =
1551 26738 (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1552 26738 pic_height_in_ctbs_y =
1553 26738 (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1554 26738 pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1555
1556
2/2
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✓ Branch 1 taken 4633 times.
 26738 if (!current->first_slice_segment_in_pic_flag) {
1557 17472 unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1558
2/2
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✓ Branch 1 taken 3382 times.
 17472 if (pps->dependent_slice_segments_enabled_flag)
1559
1/2
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 10708 flag(dependent_slice_segment_flag);
1560 else
1561
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✓ Branch 1 taken 1691 times.
 6764 infer(dependent_slice_segment_flag, 0);
1562
1/2
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✓ Branch 2 taken 8736 times.
 17472 u(address_size, slice_segment_address, 0, pic_size_in_ctbs_y - 1);
1563 } else {
1564
1/2
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✓ Branch 1 taken 2234 times.
 9266 infer(dependent_slice_segment_flag, 0);
1565 }
1566
1567
2/2
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✓ Branch 1 taken 4510 times.
 26738 if (!current->dependent_slice_segment_flag) {
1568
1/2
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✓ Branch 1 taken 8859 times.
 17718 for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1569 ✗ flags(slice_reserved_flag[i], 1, i);
1570
1571
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8859 times.
 17718 ue(slice_type, 0, 2);
1572
1573
1/2
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✓ Branch 1 taken 8859 times.
 17718 if (pps->output_flag_present_flag)
1574 ✗ flag(pic_output_flag);
1575
1576
1/2
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✓ Branch 1 taken 8859 times.
 17718 if (sps->separate_colour_plane_flag)
1577 ✗ u(2, colour_plane_id, 0, 2);
1578
1579
2/2
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✓ Branch 1 taken 118 times.
 17718 if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1580
2/2
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✓ Branch 1 taken 2 times.
 17482 current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1581 const H265RawSTRefPicSet *rps;
1582 int dpb_slots_remaining;
1583
1584
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8739 times.
 17478 ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb);
1585
1586
1/2
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✓ Branch 2 taken 8739 times.
 17478 flag(short_term_ref_pic_set_sps_flag);
1587
2/2
✓ Branch 0 taken 3769 times.
✓ Branch 1 taken 4970 times.
 17478 if (!current->short_term_ref_pic_set_sps_flag) {
1588
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3769 times.
 7538 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->short_term_ref_pic_set,
1589 sps->num_short_term_ref_pic_sets, sps));
1590 7538 rps = &current->short_term_ref_pic_set;
1591
1/2
✓ Branch 0 taken 4970 times.
✗ Branch 1 not taken.
 9940 } else if (sps->num_short_term_ref_pic_sets > 1) {
1592 9940 unsigned int idx_size = av_log2(sps->num_short_term_ref_pic_sets - 1) + 1;
1593
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4970 times.
 9940 u(idx_size, short_term_ref_pic_set_idx,
1594 0, sps->num_short_term_ref_pic_sets - 1);
1595 9940 rps = &sps->st_ref_pic_set[current->short_term_ref_pic_set_idx];
1596 } else {
1597 ✗ infer(short_term_ref_pic_set_idx, 0);
1598 ✗ rps = &sps->st_ref_pic_set[0];
1599 }
1600
1601 17478 dpb_slots_remaining = HEVC_MAX_DPB_SIZE - 1 -
1602 17478 rps->num_negative_pics - rps->num_positive_pics;
1603
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8739 times.
 17478 if (pps->pps_curr_pic_ref_enabled_flag &&
1604 ✗ (sps->sample_adaptive_offset_enabled_flag ||
1605 ✗ !pps->pps_deblocking_filter_disabled_flag ||
1606 ✗ pps->deblocking_filter_override_enabled_flag)) {
1607 // This picture will occupy two DPB slots.
1608 ✗ if (dpb_slots_remaining == 0) {
1609 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
1610 "short-term ref pic set contains too many pictures "
1611 "to use with current picture reference enabled.\n");
1612 ✗ return AVERROR_INVALIDDATA;
1613 }
1614 ✗ --dpb_slots_remaining;
1615 }
1616
1617 17478 num_pic_total_curr = 0;
1618
2/2
✓ Branch 0 taken 23439 times.
✓ Branch 1 taken 8739 times.
 64356 for (i = 0; i < rps->num_negative_pics; i++)
1619
2/2
✓ Branch 0 taken 22383 times.
✓ Branch 1 taken 1056 times.
 46878 if (rps->used_by_curr_pic_s0_flag[i])
1620 44766 ++num_pic_total_curr;
1621
2/2
✓ Branch 0 taken 6642 times.
✓ Branch 1 taken 8739 times.
 30762 for (i = 0; i < rps->num_positive_pics; i++)
1622
2/2
✓ Branch 0 taken 6352 times.
✓ Branch 1 taken 290 times.
 13284 if (rps->used_by_curr_pic_s1_flag[i])
1623 12704 ++num_pic_total_curr;
1624
1625
2/2
✓ Branch 0 taken 1664 times.
✓ Branch 1 taken 7075 times.
 17478 if (sps->long_term_ref_pics_present_flag) {
1626 unsigned int idx_size;
1627
1628
2/2
✓ Branch 0 taken 998 times.
✓ Branch 1 taken 666 times.
 3328 if (sps->num_long_term_ref_pics_sps > 0) {
1629
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 998 times.
 1996 ue(num_long_term_sps, 0, FFMIN(sps->num_long_term_ref_pics_sps,
1630 dpb_slots_remaining));
1631 1996 idx_size = av_log2(sps->num_long_term_ref_pics_sps - 1) + 1;
1632 1996 dpb_slots_remaining -= current->num_long_term_sps;
1633 } else {
1634
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 333 times.
 1332 infer(num_long_term_sps, 0);
1635 1332 idx_size = 0;
1636 }
1637
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1664 times.
 3328 ue(num_long_term_pics, 0, dpb_slots_remaining);
1638
1639 3328 for (i = 0; i < current->num_long_term_sps +
1640
2/2
✓ Branch 0 taken 2820 times.
✓ Branch 1 taken 1664 times.
 8968 current->num_long_term_pics; i++) {
1641
2/2
✓ Branch 0 taken 368 times.
✓ Branch 1 taken 2452 times.
 5640 if (i < current->num_long_term_sps) {
1642
1/2
✓ Branch 0 taken 368 times.
✗ Branch 1 not taken.
 736 if (sps->num_long_term_ref_pics_sps > 1)
1643
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 368 times.
 736 us(idx_size, lt_idx_sps[i],
1644 0, sps->num_long_term_ref_pics_sps - 1, 1, i);
1645
2/2
✓ Branch 0 taken 176 times.
✓ Branch 1 taken 192 times.
 736 if (sps->used_by_curr_pic_lt_sps_flag[current->lt_idx_sps[i]])
1646 352 ++num_pic_total_curr;
1647 } else {
1648
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2452 times.
 4904 ubs(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, poc_lsb_lt[i], 1, i);
1649
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2452 times.
 4904 flags(used_by_curr_pic_lt_flag[i], 1, i);
1650
2/2
✓ Branch 0 taken 756 times.
✓ Branch 1 taken 1696 times.
 4904 if (current->used_by_curr_pic_lt_flag[i])
1651 1512 ++num_pic_total_curr;
1652 }
1653
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2820 times.
 5640 flags(delta_poc_msb_present_flag[i], 1, i);
1654
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2820 times.
 5640 if (current->delta_poc_msb_present_flag[i])
1655 ✗ ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1656 else
1657
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1410 times.
 5640 infer(delta_poc_msb_cycle_lt[i], 0);
1658 }
1659 }
1660
1661
2/2
✓ Branch 0 taken 6093 times.
✓ Branch 1 taken 2646 times.
 17478 if (sps->sps_temporal_mvp_enabled_flag)
1662
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 6093 times.
 12186 flag(slice_temporal_mvp_enabled_flag);
1663 else
1664
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1323 times.
 5292 infer(slice_temporal_mvp_enabled_flag, 0);
1665
1666
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8739 times.
 17478 if (pps->pps_curr_pic_ref_enabled_flag)
1667 ✗ ++num_pic_total_curr;
1668 }
1669
1670
2/2
✓ Branch 0 taken 5591 times.
✓ Branch 1 taken 3268 times.
 17718 if (sps->sample_adaptive_offset_enabled_flag) {
1671
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5591 times.
 11182 flag(slice_sao_luma_flag);
1672
2/4
✓ Branch 0 taken 5591 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 5591 times.
✗ Branch 3 not taken.
 11182 if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1673
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5591 times.
 11182 flag(slice_sao_chroma_flag);
1674 else
1675 ✗ infer(slice_sao_chroma_flag, 0);
1676 } else {
1677
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1634 times.
 6536 infer(slice_sao_luma_flag, 0);
1678
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1634 times.
 6536 infer(slice_sao_chroma_flag, 0);
1679 }
1680
1681
2/2
✓ Branch 0 taken 5491 times.
✓ Branch 1 taken 3368 times.
 17718 if (current->slice_type == HEVC_SLICE_P ||
1682
2/2
✓ Branch 0 taken 5271 times.
✓ Branch 1 taken 220 times.
 10982 current->slice_type == HEVC_SLICE_B) {
1683
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8639 times.
 17278 flag(num_ref_idx_active_override_flag);
1684
2/2
✓ Branch 0 taken 3693 times.
✓ Branch 1 taken 4946 times.
 17278 if (current->num_ref_idx_active_override_flag) {
1685
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3693 times.
 7386 ue(num_ref_idx_l0_active_minus1, 0, 14);
1686
2/2
✓ Branch 0 taken 953 times.
✓ Branch 1 taken 2740 times.
 7386 if (current->slice_type == HEVC_SLICE_B)
1687
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 953 times.
 1906 ue(num_ref_idx_l1_active_minus1, 0, 14);
1688 else
1689
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1370 times.
 5480 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1690 } else {
1691
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2187 times.
 9892 infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1692
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2187 times.
 9892 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1693 }
1694
1695
4/4
✓ Branch 0 taken 1548 times.
✓ Branch 1 taken 7091 times.
✓ Branch 2 taken 1496 times.
✓ Branch 3 taken 52 times.
 17278 if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1696
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1496 times.
 2992 CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1697 num_pic_total_curr));
1698
1699
2/2
✓ Branch 0 taken 5271 times.
✓ Branch 1 taken 3368 times.
 17278 if (current->slice_type == HEVC_SLICE_B)
1700
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5271 times.
 10542 flag(mvd_l1_zero_flag);
1701
2/2
✓ Branch 0 taken 5823 times.
✓ Branch 1 taken 2816 times.
 17278 if (pps->cabac_init_present_flag)
1702
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5823 times.
 11646 flag(cabac_init_flag);
1703 else
1704
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1408 times.
 5632 infer(cabac_init_flag, 0);
1705
2/2
✓ Branch 0 taken 6003 times.
✓ Branch 1 taken 2636 times.
 17278 if (current->slice_temporal_mvp_enabled_flag) {
1706
2/2
✓ Branch 0 taken 5271 times.
✓ Branch 1 taken 732 times.
 12006 if (current->slice_type == HEVC_SLICE_B)
1707
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5271 times.
 10542 flag(collocated_from_l0_flag);
1708 else
1709
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 366 times.
 1464 infer(collocated_from_l0_flag, 1);
1710
2/2
✓ Branch 0 taken 2783 times.
✓ Branch 1 taken 3220 times.
 12006 if (current->collocated_from_l0_flag) {
1711
2/2
✓ Branch 0 taken 2547 times.
✓ Branch 1 taken 236 times.
 5566 if (current->num_ref_idx_l0_active_minus1 > 0)
1712
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2547 times.
 5094 ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1713 else
1714
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 118 times.
 472 infer(collocated_ref_idx, 0);
1715 } else {
1716
2/2
✓ Branch 0 taken 3027 times.
✓ Branch 1 taken 193 times.
 6440 if (current->num_ref_idx_l1_active_minus1 > 0)
1717
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3027 times.
 6054 ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1718 else
1719
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 95 times.
 386 infer(collocated_ref_idx, 0);
1720 }
1721 }
1722
1723
3/4
✓ Branch 0 taken 510 times.
✓ Branch 1 taken 8129 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 510 times.
 17278 if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1724
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 8129 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 16258 (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1725
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 510 times.
 1020 CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1726
1727
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8639 times.
 17278 ue(five_minus_max_num_merge_cand, 0, 4);
1728
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8639 times.
 17278 if (sps->motion_vector_resolution_control_idc == 2)
1729 ✗ flag(use_integer_mv_flag);
1730 else
1731
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4026 times.
 17278 infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1732 }
1733
1734
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8859 times.
 17718 se(slice_qp_delta,
1735 - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1736 + 51 - (pps->init_qp_minus26 + 26));
1737
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8859 times.
 17718 if (pps->pps_slice_chroma_qp_offsets_present_flag) {
1738 ✗ se(slice_cb_qp_offset, -12, +12);
1739 ✗ se(slice_cr_qp_offset, -12, +12);
1740 } else {
1741
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(slice_cb_qp_offset, 0);
1742
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(slice_cr_qp_offset, 0);
1743 }
1744
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8859 times.
 17718 if (pps->pps_slice_act_qp_offsets_present_flag) {
1745 ✗ se(slice_act_y_qp_offset,
1746 -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1747 +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1748 ✗ se(slice_act_cb_qp_offset,
1749 -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1750 +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1751 ✗ se(slice_act_cr_qp_offset,
1752 -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1753 +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1754 } else {
1755
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(slice_act_y_qp_offset, 0);
1756
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(slice_act_cb_qp_offset, 0);
1757
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(slice_act_cr_qp_offset, 0);
1758 }
1759
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8859 times.
 17718 if (pps->chroma_qp_offset_list_enabled_flag)
1760 ✗ flag(cu_chroma_qp_offset_enabled_flag);
1761 else
1762
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4136 times.
 17718 infer(cu_chroma_qp_offset_enabled_flag, 0);
1763
1764
2/2
✓ Branch 0 taken 74 times.
✓ Branch 1 taken 8785 times.
 17718 if (pps->deblocking_filter_override_enabled_flag)
1765
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 74 times.
 148 flag(deblocking_filter_override_flag);
1766 else
1767
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4099 times.
 17570 infer(deblocking_filter_override_flag, 0);
1768
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 8857 times.
 17718 if (current->deblocking_filter_override_flag) {
1769
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
 4 flag(slice_deblocking_filter_disabled_flag);
1770
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 4 if (!current->slice_deblocking_filter_disabled_flag) {
1771 ✗ se(slice_beta_offset_div2, -6, +6);
1772 ✗ se(slice_tc_offset_div2, -6, +6);
1773 } else {
1774
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 4 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1775
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 4 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1776 }
1777 } else {
1778
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4135 times.
 17714 infer(slice_deblocking_filter_disabled_flag,
1779 pps->pps_deblocking_filter_disabled_flag);
1780
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4135 times.
 17714 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1781
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4135 times.
 17714 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1782 }
1783
2/2
✓ Branch 0 taken 7369 times.
✓ Branch 1 taken 1490 times.
 17718 if (pps->pps_loop_filter_across_slices_enabled_flag &&
1784
3/4
✓ Branch 0 taken 5227 times.
✓ Branch 1 taken 2142 times.
✓ Branch 2 taken 5227 times.
✗ Branch 3 not taken.
 14738 (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1785
2/2
✓ Branch 0 taken 5225 times.
✓ Branch 1 taken 2 times.
 10454 !current->slice_deblocking_filter_disabled_flag))
1786
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 7367 times.
 14734 flag(slice_loop_filter_across_slices_enabled_flag);
1787 else
1788
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 746 times.
 2984 infer(slice_loop_filter_across_slices_enabled_flag,
1789 pps->pps_loop_filter_across_slices_enabled_flag);
1790 }
1791
1792
4/4
✓ Branch 0 taken 10633 times.
✓ Branch 1 taken 2736 times.
✓ Branch 2 taken 2365 times.
✓ Branch 3 taken 8268 times.
 26738 if (pps->tiles_enabled_flag || pps->entropy_coding_sync_enabled_flag) {
1793 unsigned int num_entry_point_offsets_limit;
1794
3/4
✓ Branch 0 taken 2365 times.
✓ Branch 1 taken 2736 times.
✓ Branch 2 taken 2365 times.
✗ Branch 3 not taken.
 10202 if (!pps->tiles_enabled_flag && pps->entropy_coding_sync_enabled_flag)
1795 4730 num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1796
2/4
✓ Branch 0 taken 2736 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2736 times.
✗ Branch 3 not taken.
 5472 else if (pps->tiles_enabled_flag && !pps->entropy_coding_sync_enabled_flag)
1797 5472 num_entry_point_offsets_limit =
1798 5472 (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1799 else
1800 ✗ num_entry_point_offsets_limit =
1801 ✗ (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1802
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5101 times.
 10202 ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1803
1804
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5101 times.
 10202 if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1805 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1806 ✗ "%"PRIu16".\n", current->num_entry_point_offsets);
1807 ✗ return AVERROR_PATCHWELCOME;
1808 }
1809
1810
2/2
✓ Branch 0 taken 1703 times.
✓ Branch 1 taken 3398 times.
 10202 if (current->num_entry_point_offsets > 0) {
1811
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1703 times.
 3406 ue(offset_len_minus1, 0, 31);
1812
2/2
✓ Branch 0 taken 3481 times.
✓ Branch 1 taken 1703 times.
 10368 for (i = 0; i < current->num_entry_point_offsets; i++)
1813
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3481 times.
 6962 ubs(current->offset_len_minus1 + 1, entry_point_offset_minus1[i], 1, i);
1814 }
1815 }
1816
1817
2/2
✓ Branch 0 taken 2365 times.
✓ Branch 1 taken 11004 times.
 26738 if (pps->slice_segment_header_extension_present_flag) {
1818
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2365 times.
 4730 ue(slice_segment_header_extension_length, 0, 256);
1819
2/2
✓ Branch 0 taken 16835 times.
✓ Branch 1 taken 2365 times.
 38400 for (i = 0; i < current->slice_segment_header_extension_length; i++)
1820
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 16835 times.
 33670 us(8, slice_segment_header_extension_data_byte[i], 0x00, 0xff, 1, i);
1821 }
1822
1823
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 13369 times.
 26738 CHECK(FUNC(byte_alignment)(ctx, rw));
1824
1825 26738 return 0;
1826 }
1827
1828 60 SEI_FUNC(sei_buffering_period, (CodedBitstreamContext *ctx, RWContext *rw,
1829 H265RawSEIBufferingPeriod *current,
1830 SEIMessageState *sei))
1831 {
1832 30 CodedBitstreamH265Context *h265 = ctx->priv_data;
1833 const H265RawSPS *sps;
1834 const H265RawHRDParameters *hrd;
1835 int err, i, length;
1836
1837 #ifdef READ
1838 int start_pos, end_pos;
1839 10 start_pos = get_bits_count(rw);
1840 #endif
1841
1842 30 HEADER("Buffering Period");
1843
1844
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 15 times.
 30 ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1);
1845
1846 30 sps = h265->sps[current->bp_seq_parameter_set_id];
1847
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 15 times.
 30 if (!sps) {
1848 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1849 ✗ current->bp_seq_parameter_set_id);
1850 ✗ return AVERROR_INVALIDDATA;
1851 }
1852 30 h265->active_sps = sps;
1853
1854
1/2
✓ Branch 0 taken 15 times.
✗ Branch 1 not taken.
 30 if (!sps->vui_parameters_present_flag ||
1855
1/2
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 30 !sps->vui.vui_hrd_parameters_present_flag) {
1856 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1857 "HRD parameters to be present in SPS.\n");
1858 ✗ return AVERROR_INVALIDDATA;
1859 }
1860 30 hrd = &sps->vui.hrd_parameters;
1861
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 30 if (!hrd->nal_hrd_parameters_present_flag &&
1862 ✗ !hrd->vcl_hrd_parameters_present_flag) {
1863 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1864 "NAL or VCL HRD parameters to be present.\n");
1865 ✗ return AVERROR_INVALIDDATA;
1866 }
1867
1868
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 30 if (!hrd->sub_pic_hrd_params_present_flag)
1869
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 12 flag(irap_cpb_params_present_flag);
1870 else
1871
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 18 infer(irap_cpb_params_present_flag, 0);
1872
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 30 if (current->irap_cpb_params_present_flag) {
1873 ✗ length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1874 ✗ ub(length, cpb_delay_offset);
1875 ✗ length = hrd->dpb_output_delay_length_minus1 + 1;
1876 ✗ ub(length, dpb_delay_offset);
1877 } else {
1878
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 30 infer(cpb_delay_offset, 0);
1879
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 30 infer(dpb_delay_offset, 0);
1880 }
1881
1882
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 30 flag(concatenation_flag);
1883
1884 30 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1885
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 30 ub(length, au_cpb_removal_delay_delta_minus1);
1886
1887
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 30 if (hrd->nal_hrd_parameters_present_flag) {
1888
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 60 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1889 30 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1890
1891
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 30 ubs(length, nal_initial_cpb_removal_delay[i], 1, i);
1892
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 30 ubs(length, nal_initial_cpb_removal_offset[i], 1, i);
1893
1894
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 30 if (hrd->sub_pic_hrd_params_present_flag ||
1895
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 12 current->irap_cpb_params_present_flag) {
1896
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 18 ubs(length, nal_initial_alt_cpb_removal_delay[i], 1, i);
1897
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 18 ubs(length, nal_initial_alt_cpb_removal_offset[i], 1, i);
1898 }
1899 }
1900 }
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 30 if (hrd->vcl_hrd_parameters_present_flag) {
1902
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 60 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1903 30 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1904
1905
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 30 ubs(length, vcl_initial_cpb_removal_delay[i], 1, i);
1906
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 30 ubs(length, vcl_initial_cpb_removal_offset[i], 1, i);
1907
1908
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 30 if (hrd->sub_pic_hrd_params_present_flag ||
1909
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 12 current->irap_cpb_params_present_flag) {
1910
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 18 ubs(length, vcl_initial_alt_cpb_removal_delay[i], 1, i);
1911
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 18 ubs(length, vcl_initial_alt_cpb_removal_offset[i], 1, i);
1912 }
1913 }
1914 }
1915
1916 #ifdef READ
1917 10 end_pos = get_bits_count(rw);
1918
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 10 if (cbs_h265_payload_extension_present(rw, sei->payload_size,
1919 end_pos - start_pos))
1920 ✗ flag(use_alt_cpb_params_flag);
1921 else
1922 10 infer(use_alt_cpb_params_flag, 0);
1923 #else
1924 // If unknown extension data exists, then use_alt_cpb_params_flag is
1925 // coded in the bitstream and must be written even if it's 0.
1926
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 20 if (current->use_alt_cpb_params_flag || sei->extension_present) {
1927 ✗ flag(use_alt_cpb_params_flag);
1928 // Ensure this bit is not the last in the payload by making the
1929 // more_data_in_payload() check evaluate to true, so it may not
1930 // be mistaken as something else by decoders.
1931 ✗ sei->extension_present = 1;
1932 }
1933 #endif
1934
1935 30 return 0;
1936 }
1937
1938 1872 SEI_FUNC(sei_pic_timing, (CodedBitstreamContext *ctx, RWContext *rw,
1939 H265RawSEIPicTiming *current, SEIMessageState *sei))
1940 {
1941 936 CodedBitstreamH265Context *h265 = ctx->priv_data;
1942 const H265RawSPS *sps;
1943 const H265RawHRDParameters *hrd;
1944 int err, expected_source_scan_type, i, length;
1945
1946 936 HEADER("Picture Timing");
1947
1948 936 sps = h265->active_sps;
1949
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 936 if (!sps) {
1950 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
1951 "No active SPS for pic_timing.\n");
1952 ✗ return AVERROR_INVALIDDATA;
1953 }
1954
1955 936 expected_source_scan_type = 2 -
1956 936 2 * sps->profile_tier_level.general_interlaced_source_flag -
1957 936 sps->profile_tier_level.general_progressive_source_flag;
1958
1959
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 936 if (sps->vui.frame_field_info_present_flag) {
1960
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 360 u(4, pic_struct, 0, 12);
1961
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 360 u(2, source_scan_type,
1962 expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1963 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1964
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 360 flag(duplicate_flag);
1965 } else {
1966
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 576 infer(pic_struct, 0);
1967
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 576 infer(source_scan_type,
1968 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1969
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 576 infer(duplicate_flag, 0);
1970 }
1971
1972
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 936 if (sps->vui_parameters_present_flag &&
1973
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 936 sps->vui.vui_hrd_parameters_present_flag)
1974 936 hrd = &sps->vui.hrd_parameters;
1975 else
1976 ✗ hrd = NULL;
1977
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 936 if (hrd && (hrd->nal_hrd_parameters_present_flag ||
1978 ✗ hrd->vcl_hrd_parameters_present_flag)) {
1979 936 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1980
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 936 ub(length, au_cpb_removal_delay_minus1);
1981
1982 936 length = hrd->dpb_output_delay_length_minus1 + 1;
1983
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 936 ub(length, pic_dpb_output_delay);
1984
1985
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 936 if (hrd->sub_pic_hrd_params_present_flag) {
1986 576 length = hrd->dpb_output_delay_du_length_minus1 + 1;
1987
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 576 ub(length, pic_dpb_output_du_delay);
1988 }
1989
1990
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 936 if (hrd->sub_pic_hrd_params_present_flag &&
1991
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 576 hrd->sub_pic_cpb_params_in_pic_timing_sei_flag) {
1992 // Each decoding unit must contain at least one slice segment.
1993
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 576 ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS);
1994
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 576 flag(du_common_cpb_removal_delay_flag);
1995
1996 576 length = hrd->du_cpb_removal_delay_increment_length_minus1 + 1;
1997
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 576 if (current->du_common_cpb_removal_delay_flag)
1998 ✗ ub(length, du_common_cpb_removal_delay_increment_minus1);
1999
2000
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 2880 for (i = 0; i <= current->num_decoding_units_minus1; i++) {
2001
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 2304 ues(num_nalus_in_du_minus1[i],
2002 0, HEVC_MAX_SLICE_SEGMENTS, 1, i);
2003
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 2304 if (!current->du_common_cpb_removal_delay_flag &&
2004
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 2304 i < current->num_decoding_units_minus1)
2005
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 1728 ubs(length, du_cpb_removal_delay_increment_minus1[i], 1, i);
2006 }
2007 }
2008 }
2009
2010 936 return 0;
2011 }
2012
2013 ✗ SEI_FUNC(sei_pan_scan_rect, (CodedBitstreamContext *ctx, RWContext *rw,
2014 H265RawSEIPanScanRect *current,
2015 SEIMessageState *sei))
2016 {
2017 int err, i;
2018
2019 ✗ HEADER("Pan-Scan Rectangle");
2020
2021 ✗ ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
2022 ✗ flag(pan_scan_rect_cancel_flag);
2023
2024 ✗ if (!current->pan_scan_rect_cancel_flag) {
2025 ✗ ue(pan_scan_cnt_minus1, 0, 2);
2026
2027 ✗ for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
2028 ✗ ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2029 ✗ ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2030 ✗ ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2031 ✗ ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
2032 }
2033
2034 ✗ flag(pan_scan_rect_persistence_flag);
2035 }
2036
2037 ✗ return 0;
2038 }
2039
2040 60 SEI_FUNC(sei_recovery_point, (CodedBitstreamContext *ctx, RWContext *rw,
2041 H265RawSEIRecoveryPoint *current,
2042 SEIMessageState *sei))
2043 {
2044 int err;
2045
2046 30 HEADER("Recovery Point");
2047
2048
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 30 se(recovery_poc_cnt, -32768, 32767);
2049
2050
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 30 flag(exact_match_flag);
2051
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 30 flag(broken_link_flag);
2052
2053 30 return 0;
2054 }
2055
2056 ✗ SEI_FUNC(film_grain_characteristics, (CodedBitstreamContext *ctx, RWContext *rw,
2057 H265RawFilmGrainCharacteristics *current,
2058 SEIMessageState *state))
2059 {
2060 ✗ CodedBitstreamH265Context *h265 = ctx->priv_data;
2061 ✗ const H265RawSPS *sps = h265->active_sps;
2062 int err, c, i, j;
2063
2064 ✗ HEADER("Film Grain Characteristics");
2065
2066 ✗ flag(film_grain_characteristics_cancel_flag);
2067 ✗ if (!current->film_grain_characteristics_cancel_flag) {
2068 int filmGrainBitDepth[3];
2069
2070 ✗ u(2, film_grain_model_id, 0, 1);
2071 ✗ flag(separate_colour_description_present_flag);
2072 ✗ if (current->separate_colour_description_present_flag) {
2073 ✗ ub(3, film_grain_bit_depth_luma_minus8);
2074 ✗ ub(3, film_grain_bit_depth_chroma_minus8);
2075 ✗ flag(film_grain_full_range_flag);
2076 ✗ ub(8, film_grain_colour_primaries);
2077 ✗ ub(8, film_grain_transfer_characteristics);
2078 ✗ ub(8, film_grain_matrix_coeffs);
2079 } else {
2080 ✗ if (!sps) {
2081 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
2082 "No active SPS for film_grain_characteristics.\n");
2083 ✗ return AVERROR_INVALIDDATA;
2084 }
2085 ✗ infer(film_grain_bit_depth_luma_minus8, sps->bit_depth_luma_minus8);
2086 ✗ infer(film_grain_bit_depth_chroma_minus8, sps->bit_depth_chroma_minus8);
2087 ✗ infer(film_grain_full_range_flag, sps->vui.video_full_range_flag);
2088 ✗ infer(film_grain_colour_primaries, sps->vui.colour_primaries);
2089 ✗ infer(film_grain_transfer_characteristics, sps->vui.transfer_characteristics);
2090 ✗ infer(film_grain_matrix_coeffs, sps->vui.matrix_coefficients);
2091 }
2092
2093 ✗ filmGrainBitDepth[0] = current->film_grain_bit_depth_luma_minus8 + 8;
2094 ✗ filmGrainBitDepth[1] =
2095 ✗ filmGrainBitDepth[2] = current->film_grain_bit_depth_chroma_minus8 + 8;
2096
2097 ✗ u(2, blending_mode_id, 0, 1);
2098 ✗ ub(4, log2_scale_factor);
2099 ✗ for (c = 0; c < 3; c++)
2100 ✗ flags(comp_model_present_flag[c], 1, c);
2101 ✗ for (c = 0; c < 3; c++) {
2102 ✗ if (current->comp_model_present_flag[c]) {
2103 ✗ ubs(8, num_intensity_intervals_minus1[c], 1, c);
2104 ✗ us(3, num_model_values_minus1[c], 0, 5, 1, c);
2105 ✗ for (i = 0; i <= current->num_intensity_intervals_minus1[c]; i++) {
2106 ✗ ubs(8, intensity_interval_lower_bound[c][i], 2, c, i);
2107 ✗ ubs(8, intensity_interval_upper_bound[c][i], 2, c, i);
2108 ✗ for (j = 0; j <= current->num_model_values_minus1[c]; j++)
2109 ✗ ses(comp_model_value[c][i][j], 0 - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
2110 ((1 << filmGrainBitDepth[c]) - 1) - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
2111 3, c, i, j);
2112 }
2113 }
2114 }
2115 ✗ flag(film_grain_characteristics_persistence_flag);
2116 }
2117
2118 ✗ return 0;
2119 }
2120
2121 ✗ SEI_FUNC(sei_display_orientation, (CodedBitstreamContext *ctx, RWContext *rw,
2122 H265RawSEIDisplayOrientation *current,
2123 SEIMessageState *sei))
2124 {
2125 int err;
2126
2127 ✗ HEADER("Display Orientation");
2128
2129 ✗ flag(display_orientation_cancel_flag);
2130 ✗ if (!current->display_orientation_cancel_flag) {
2131 ✗ flag(hor_flip);
2132 ✗ flag(ver_flip);
2133 ✗ ub(16, anticlockwise_rotation);
2134 ✗ flag(display_orientation_persistence_flag);
2135 }
2136
2137 ✗ return 0;
2138 }
2139
2140 36 SEI_FUNC(sei_active_parameter_sets, (CodedBitstreamContext *ctx, RWContext *rw,
2141 H265RawSEIActiveParameterSets *current,
2142 SEIMessageState *sei))
2143 {
2144 18 CodedBitstreamH265Context *h265 = ctx->priv_data;
2145 const H265RawVPS *vps;
2146 int err, i;
2147
2148 18 HEADER("Active Parameter Sets");
2149
2150
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 18 u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT);
2151 18 vps = h265->vps[current->active_video_parameter_set_id];
2152
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 18 if (!vps) {
2153 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active "
2154 ✗ "parameter sets.\n", current->active_video_parameter_set_id);
2155 ✗ return AVERROR_INVALIDDATA;
2156 }
2157 18 h265->active_vps = vps;
2158
2159
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 18 flag(self_contained_cvs_flag);
2160
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 18 flag(no_parameter_set_update_flag);
2161
2162
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 18 ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1);
2163
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 36 for (i = 0; i <= current->num_sps_ids_minus1; i++)
2164
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 18 ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i);
2165
2166 18 for (i = vps->vps_base_layer_internal_flag;
2167
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 18 i <= FFMIN(62, vps->vps_max_layers_minus1); i++) {
2168 ✗ ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
2169
2170 ✗ if (i == 0)
2171 ✗ h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
2172 }
2173
2174 18 return 0;
2175 }
2176
2177 17376 SEI_FUNC(sei_decoded_picture_hash, (CodedBitstreamContext *ctx, RWContext *rw,
2178 H265RawSEIDecodedPictureHash *current,
2179 SEIMessageState *sei))
2180 {
2181 8688 CodedBitstreamH265Context *h265 = ctx->priv_data;
2182 8688 const H265RawSPS *sps = h265->active_sps;
2183 int err, c, i;
2184
2185 8688 HEADER("Decoded Picture Hash");
2186
2187
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 8688 if (!sps) {
2188 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
2189 "No active SPS for decoded picture hash.\n");
2190 ✗ return AVERROR_INVALIDDATA;
2191 }
2192
2193
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 8688 u(8, hash_type, 0, 2);
2194
2195
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 34752 for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) {
2196
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 26064 if (current->hash_type == 0) {
2197
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 407592 for (i = 0; i < 16; i++)
2198
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 383616 us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
2199
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 2088 } else if (current->hash_type == 1) {
2200 ✗ us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
2201
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 2088 } else if (current->hash_type == 2) {
2202
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 2088 us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
2203 }
2204 }
2205
2206 8688 return 0;
2207 }
2208
2209 ✗ SEI_FUNC(sei_time_code, (CodedBitstreamContext *ctx, RWContext *rw,
2210 H265RawSEITimeCode *current, SEIMessageState *sei))
2211 {
2212 int err, i;
2213
2214 ✗ HEADER("Time Code");
2215
2216 ✗ u(2, num_clock_ts, 1, 3);
2217
2218 ✗ for (i = 0; i < current->num_clock_ts; i++) {
2219 ✗ flags(clock_timestamp_flag[i], 1, i);
2220
2221 ✗ if (current->clock_timestamp_flag[i]) {
2222 ✗ flags(units_field_based_flag[i], 1, i);
2223 ✗ us(5, counting_type[i], 0, 6, 1, i);
2224 ✗ flags(full_timestamp_flag[i], 1, i);
2225 ✗ flags(discontinuity_flag[i], 1, i);
2226 ✗ flags(cnt_dropped_flag[i], 1, i);
2227
2228 ✗ ubs(9, n_frames[i], 1, i);
2229
2230 ✗ if (current->full_timestamp_flag[i]) {
2231 ✗ us(6, seconds_value[i], 0, 59, 1, i);
2232 ✗ us(6, minutes_value[i], 0, 59, 1, i);
2233 ✗ us(5, hours_value[i], 0, 23, 1, i);
2234 } else {
2235 ✗ flags(seconds_flag[i], 1, i);
2236 ✗ if (current->seconds_flag[i]) {
2237 ✗ us(6, seconds_value[i], 0, 59, 1, i);
2238 ✗ flags(minutes_flag[i], 1, i);
2239 ✗ if (current->minutes_flag[i]) {
2240 ✗ us(6, minutes_value[i], 0, 59, 1, i);
2241 ✗ flags(hours_flag[i], 1, i);
2242 ✗ if (current->hours_flag[i])
2243 ✗ us(5, hours_value[i], 0, 23, 1, i);
2244 }
2245 }
2246 }
2247
2248 ✗ ubs(5, time_offset_length[i], 1, i);
2249 ✗ if (current->time_offset_length[i] > 0)
2250 ✗ ibs(current->time_offset_length[i], time_offset_value[i], 1, i);
2251 else
2252 ✗ infer(time_offset_value[i], 0);
2253 }
2254 }
2255
2256 ✗ return 0;
2257 }
2258
2259 ✗ SEI_FUNC(sei_alpha_channel_info, (CodedBitstreamContext *ctx, RWContext *rw,
2260 H265RawSEIAlphaChannelInfo *current,
2261 SEIMessageState *sei))
2262 {
2263 int err, length;
2264
2265 ✗ HEADER("Alpha Channel Information");
2266
2267 ✗ flag(alpha_channel_cancel_flag);
2268 ✗ if (!current->alpha_channel_cancel_flag) {
2269 ✗ ub(3, alpha_channel_use_idc);
2270 ✗ ub(3, alpha_channel_bit_depth_minus8);
2271 ✗ length = current->alpha_channel_bit_depth_minus8 + 9;
2272 ✗ ub(length, alpha_transparent_value);
2273 ✗ ub(length, alpha_opaque_value);
2274 ✗ flag(alpha_channel_incr_flag);
2275 ✗ flag(alpha_channel_clip_flag);
2276 ✗ if (current->alpha_channel_clip_flag)
2277 ✗ flag(alpha_channel_clip_type_flag);
2278 } else {
2279 ✗ infer(alpha_channel_use_idc, 2);
2280 ✗ infer(alpha_channel_incr_flag, 0);
2281 ✗ infer(alpha_channel_clip_flag, 0);
2282 }
2283
2284 ✗ return 0;
2285 }
2286
2287 ✗ SEI_FUNC(sei_3d_reference_displays_info, (CodedBitstreamContext *ctx, RWContext *rw,
2288 H265RawSEI3DReferenceDisplaysInfo *current,
2289 SEIMessageState *sei))
2290 {
2291 int length;
2292 int err, i;
2293
2294 ✗ HEADER("Three Dimensional Reference Displays Information");
2295
2296 ✗ ue(prec_ref_display_width, 0, 31);
2297 ✗ flag(ref_viewing_distance_flag);
2298 ✗ if (current->ref_viewing_distance_flag)
2299 ✗ ue(prec_ref_viewing_dist, 0, 31);
2300 ✗ ue(num_ref_displays_minus1, 0, 31);
2301 ✗ for (i = 0; i <= current->num_ref_displays_minus1; i++) {
2302 ✗ ues(left_view_id[i], 0, MAX_UINT_BITS(15), 1, i);
2303 ✗ ues(right_view_id[i], 0, MAX_UINT_BITS(15), 1, i);
2304 ✗ us(6, exponent_ref_display_width[i], 0, 62, 1, i);
2305 ✗ if (!current->exponent_ref_display_width[i])
2306 ✗ length = FFMAX(0, (int)current->prec_ref_display_width - 30);
2307 else
2308 ✗ length = FFMAX(0, (int)current->exponent_ref_display_width[i] +
2309 (int)current->prec_ref_display_width - 31);
2310
2311 ✗ if (length > 32) {
2312 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "refDispWidthBits > 32 is not supported\n");
2313 ✗ return AVERROR_PATCHWELCOME;
2314 }
2315
2316 ✗ if (length)
2317 ✗ ubs(length, mantissa_ref_display_width[i], 1, i);
2318 else
2319 ✗ infer(mantissa_ref_display_width[i], 0);
2320 ✗ if (current->ref_viewing_distance_flag) {
2321 ✗ us(6, exponent_ref_viewing_distance[i], 0, 62, 1, i);
2322 ✗ if (!current->exponent_ref_viewing_distance[i])
2323 ✗ length = FFMAX(0, (int)current->prec_ref_viewing_dist - 30);
2324 else
2325 ✗ length = FFMAX(0, (int)current->exponent_ref_viewing_distance[i] +
2326 (int)current->prec_ref_viewing_dist - 31);
2327
2328 ✗ if (length > 32) {
2329 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "refViewDistBits > 32 is not supported\n");
2330 ✗ return AVERROR_PATCHWELCOME;
2331 }
2332
2333 ✗ if (length)
2334 ✗ ubs(length, mantissa_ref_viewing_distance[i], 1, i);
2335 else
2336 ✗ infer(mantissa_ref_viewing_distance[i], 0);
2337 }
2338 ✗ flags(additional_shift_present_flag[i], 1, i);
2339 ✗ if (current->additional_shift_present_flag[i])
2340 ✗ us(10, num_sample_shift_plus512[i], 0, 1023, 1, i);
2341 }
2342 ✗ flag(three_dimensional_reference_displays_extension_flag);
2343
2344 ✗ return 0;
2345 }
2346
2347 6578 static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw,
2348 H265RawSEI *current, int prefix)
2349 {
2350 int err;
2351
2352
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 6578 if (prefix)
2353 676 HEADER("Prefix Supplemental Enhancement Information");
2354 else
2355 5902 HEADER("Suffix Supplemental Enhancement Information");
2356
2357
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 6578 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2358 prefix ? HEVC_NAL_SEI_PREFIX
2359 : HEVC_NAL_SEI_SUFFIX));
2360
2361
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 6578 CHECK(FUNC_SEI(message_list)(ctx, rw, &current->message_list, prefix));
2362
2363
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 6578 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
2364
2365 6578 return 0;
2366 }
2367
2368
2369 ✗ static int FUNC(filler)(CodedBitstreamContext *ctx, RWContext *rw,
2370 H265RawFiller *current)
2371 {
2372 int err;
2373
2374 ✗ HEADER("Filler Data");
2375
2376 ✗ CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2377 HEVC_NAL_FD_NUT));
2378
2379 #ifdef READ
2380 ✗ while (show_bits(rw, 8) == 0xff) {
2381 ✗ fixed(8, ff_byte, 0xff);
2382 ✗ ++current->filler_size;
2383 }
2384 #else
2385 {
2386 uint32_t i;
2387 ✗ for (i = 0; i < current->filler_size; i++)
2388 ✗ fixed(8, ff_byte, 0xff);
2389 }
2390 #endif
2391
2392 ✗ CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
2393
2394 ✗ return 0;
2395 }
2396