FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/cbs_h265_syntax_template.c
Date: 2024-04-23 06:12:56
Exec Total Coverage
Lines: 832 1223 68.0%
Functions: 54 84 64.3%
Branches: 867 2080 41.7%
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 8406 static int FUNC(rbsp_trailing_bits)(CodedBitstreamContext *ctx, RWContext *rw)
20 {
21 int err;
22
23
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 8406 fixed(1, rbsp_stop_one_bit, 1);
24
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 60920 while (byte_alignment(rw) != 0)
25
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 52514 fixed(1, rbsp_alignment_zero_bit, 0);
26
27 8406 return 0;
28 }
29
30 34844 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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 34844 fixed(1, forbidden_zero_bit, 0);
37
38
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 34844 if (expected_nal_unit_type >= 0)
39
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 8406 u(6, nal_unit_type, expected_nal_unit_type,
40 expected_nal_unit_type);
41 else
42
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 26438 ub(6, nal_unit_type);
43
44
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 34844 u(6, nuh_layer_id, 0, 62);
45
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 34844 u(3, nuh_temporal_id_plus1, 1, 7);
46
47 34844 return 0;
48 }
49
50 26438 static int FUNC(byte_alignment)(CodedBitstreamContext *ctx, RWContext *rw)
51 {
52 int err;
53
54
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 26438 fixed(1, alignment_bit_equal_to_one, 1);
55
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 132104 while (byte_alignment(rw) != 0)
56
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 105666 fixed(1, alignment_bit_equal_to_zero, 0);
57
58 26438 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
88 456 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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 456 if (profile_present_flag) {
96
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 456 u(2, general_profile_space, 0, 0);
97
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 456 flag(general_tier_flag);
98
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 456 ub(5, general_profile_idc);
99
100
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 15048 for (j = 0; j < 32; j++)
101
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 14592 flags(general_profile_compatibility_flag[j], 1, j);
102
103
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 456 flag(general_progressive_source_flag);
104
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 456 flag(general_interlaced_source_flag);
105
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 456 flag(general_non_packed_constraint_flag);
106
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 456 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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 456 if (profile_compatible(4) || profile_compatible(5) ||
111
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 456 profile_compatible(6) || profile_compatible(7) ||
112
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 456 profile_compatible(8) || profile_compatible(9) ||
113
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 456 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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 456 } 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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 80 fixed(24, general_reserved_zero_43bits, 0);
140
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 80 fixed(19, general_reserved_zero_43bits, 0);
141 }
142
143
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 456 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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 456 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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 456 ub(8, general_level_idc);
155
156
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 648 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);
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 192 flags(sub_layer_level_present_flag[i], 1, i);
159 }
160
161
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 456 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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 648 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);
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 32 ubs(5, sub_layer_profile_idc[i], 1, i);
171
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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);
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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
229 456 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
322 104 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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 104 flag(aspect_ratio_info_present_flag);
328
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 104 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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 48 infer(aspect_ratio_idc, 0);
336 }
337
338
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 104 flag(overscan_info_present_flag);
339
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 104 if (current->overscan_info_present_flag)
340 ✗ flag(overscan_appropriate_flag);
341
342
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 104 flag(video_signal_type_present_flag);
343
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 104 if (current->video_signal_type_present_flag) {
344 ✗ ub(3, video_format);
345 ✗ flag(video_full_range_flag);
346 ✗ flag(colour_description_present_flag);
347 ✗ if (current->colour_description_present_flag) {
348 ✗ ub(8, colour_primaries);
349 ✗ ub(8, transfer_characteristics);
350 ✗ 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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 104 flag(chroma_loc_info_present_flag);
365
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 104 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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 104 infer(chroma_sample_loc_type_top_field, 0);
370
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 104 infer(chroma_sample_loc_type_bottom_field, 0);
371 }
372
373
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 104 flag(neutral_chroma_indication_flag);
374
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 104 flag(field_seq_flag);
375
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 104 flag(frame_field_info_present_flag);
376
377
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 104 flag(default_display_window_flag);
378
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 104 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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 104 flag(vui_timing_info_present_flag);
386
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 104 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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 104 flag(bitstream_restriction_flag);
401
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 104 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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 56 infer(tiles_fixed_structure_flag, 0);
412
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 56 infer(motion_vectors_over_pic_boundaries_flag, 1);
413
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 56 infer(min_spatial_segmentation_idc, 0);
414
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 56 infer(max_bytes_per_pic_denom, 2);
415
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 56 infer(max_bits_per_min_cu_denom, 1);
416
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 56 infer(log2_max_mv_length_horizontal, 15);
417
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 56 infer(log2_max_mv_length_vertical, 15);
418 }
419
420 104 return 0;
421 }
422
423 224 static int FUNC(vps)(CodedBitstreamContext *ctx, RWContext *rw,
424 H265RawVPS *current)
425 {
426 int err, i, j;
427
428 224 HEADER("Video Parameter Set");
429
430
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 224 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_VPS));
431
432
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 224 ub(4, vps_video_parameter_set_id);
433
434
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 224 flag(vps_base_layer_internal_flag);
435
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 224 flag(vps_base_layer_available_flag);
436
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 224 u(6, vps_max_layers_minus1, 0, HEVC_MAX_LAYERS - 1);
437
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 224 u(3, vps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
438
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 224 flag(vps_temporal_id_nesting_flag);
439
440
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 224 if (current->vps_max_sub_layers_minus1 == 0 &&
441
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 176 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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 224 fixed(16, vps_reserved_0xffff_16bits, 0xffff);
449
450
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 224 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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 224 flag(vps_sub_layer_ordering_info_present_flag);
454 224 for (i = (current->vps_sub_layer_ordering_info_present_flag ?
455
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 224 0 : current->vps_max_sub_layers_minus1);
456
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 464 i <= current->vps_max_sub_layers_minus1; i++) {
457
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 240 ues(vps_max_dec_pic_buffering_minus1[i],
458 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
459
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 240 ues(vps_max_num_reorder_pics[i],
460 0, current->vps_max_dec_pic_buffering_minus1[i], 1, i);
461
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 240 ues(vps_max_latency_increase_plus1[i],
462 0, UINT32_MAX - 1, 1, i);
463 }
464
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 224 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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 224 u(6, vps_max_layer_id, 0, HEVC_MAX_LAYERS - 1);
476
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 224 ue(vps_num_layer_sets_minus1, 0, HEVC_MAX_LAYER_SETS - 1);
477
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 224 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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 448 for (j = 0; j <= current->vps_max_layer_id; j++)
482
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 224 infer(layer_id_included_flag[0][j], j == 0);
483
484
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 224 flag(vps_timing_info_present_flag);
485
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 224 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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 224 flag(vps_extension_flag);
508
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 224 if (current->vps_extension_flag)
509 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
510
511
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 224 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
512
513 224 return 0;
514 }
515
516 9530 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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 9530 if (st_rps_idx != 0)
523
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 9202 flag(inter_ref_pic_set_prediction_flag);
524 else
525
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 328 infer(inter_ref_pic_set_prediction_flag, 0);
526
527
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 9530 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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 2398 if (st_rps_idx == sps->num_short_term_ref_pic_sets)
537
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 806 ue(delta_idx_minus1, 0, st_rps_idx - 1);
538 else
539
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 1592 infer(delta_idx_minus1, 0);
540
541 2398 ref_rps_idx = st_rps_idx - (current->delta_idx_minus1 + 1);
542 2398 ref = &sps->st_ref_pic_set[ref_rps_idx];
543 2398 num_delta_pocs = ref->num_negative_pics + ref->num_positive_pics;
544
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 2398 av_assert0(num_delta_pocs < HEVC_MAX_DPB_SIZE);
545
546
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 2398 flag(delta_rps_sign);
547
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 2398 ue(abs_delta_rps_minus1, 0, INT16_MAX);
548 2398 delta_rps = (1 - 2 * current->delta_rps_sign) *
549 2398 (current->abs_delta_rps_minus1 + 1);
550
551 2398 num_ref_pics = 0;
552
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 12914 for (j = 0; j <= num_delta_pocs; j++) {
553
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 10516 flags(used_by_curr_pic_flag[j], 1, j);
554
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 10516 if (!current->used_by_curr_pic_flag[j])
555
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 2392 flags(use_delta_flag[j], 1, j);
556 else
557
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 8124 infer(use_delta_flag[j], 1);
558
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 10516 if (current->use_delta_flag[j])
559 8124 ++num_ref_pics;
560 }
561
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 2398 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 2398 d_poc = 0;
585
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 7794 for (i = 0; i < ref->num_negative_pics; i++) {
586 5396 d_poc -= ref->delta_poc_s0_minus1[i] + 1;
587 5396 ref_delta_poc_s0[i] = d_poc;
588 }
589 2398 d_poc = 0;
590
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 5120 for (i = 0; i < ref->num_positive_pics; i++) {
591 2722 d_poc += ref->delta_poc_s1_minus1[i] + 1;
592 2722 ref_delta_poc_s1[i] = d_poc;
593 }
594
595 2398 i = 0;
596
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 5120 for (j = ref->num_positive_pics - 1; j >= 0; j--) {
597 2722 d_poc = ref_delta_poc_s1[j] + delta_rps;
598
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 2722 if (d_poc < 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
599 698 delta_poc_s0[i] = d_poc;
600 698 used_by_curr_pic_s0[i++] =
601 698 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
602 }
603 }
604
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 2398 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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 7794 for (j = 0; j < ref->num_negative_pics; j++) {
610 5396 d_poc = ref_delta_poc_s0[j] + delta_rps;
611
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 5396 if (d_poc < 0 && current->use_delta_flag[j]) {
612 3956 delta_poc_s0[i] = d_poc;
613 3956 used_by_curr_pic_s0[i++] = current->used_by_curr_pic_flag[j];
614 }
615 }
616
617
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 2398 infer(num_negative_pics, i);
618
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 7524 for (i = 0; i < current->num_negative_pics; i++) {
619
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 5126 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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 5126 infer(used_by_curr_pic_s0_flag[i], used_by_curr_pic_s0[i]);
622 }
623
624 2398 i = 0;
625
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 7794 for (j = ref->num_negative_pics - 1; j >= 0; j--) {
626 5396 d_poc = ref_delta_poc_s0[j] + delta_rps;
627
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 5396 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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 2398 if (delta_rps > 0 && current->use_delta_flag[num_delta_pocs]) {
633 1150 delta_poc_s1[i] = delta_rps;
634 1150 used_by_curr_pic_s1[i++] =
635 1150 current->used_by_curr_pic_flag[num_delta_pocs];
636 }
637
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 5120 for (j = 0; j < ref->num_positive_pics; j++) {
638 2722 d_poc = ref_delta_poc_s1[j] + delta_rps;
639
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✓ Branch 3 taken 88 times.
 2722 if (d_poc > 0 && current->use_delta_flag[ref->num_negative_pics + j]) {
640 1848 delta_poc_s1[i] = d_poc;
641 1848 used_by_curr_pic_s1[i++] =
642 1848 current->used_by_curr_pic_flag[ref->num_negative_pics + j];
643 }
644 }
645
646
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 2398 infer(num_positive_pics, i);
647
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 5396 for (i = 0; i < current->num_positive_pics; i++) {
648
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 2998 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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 2998 infer(used_by_curr_pic_s1_flag[i], used_by_curr_pic_s1[i]);
651 }
652
653 } else {
654
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 7132 ue(num_negative_pics, 0, 15);
655
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 7132 ue(num_positive_pics, 0, 15 - current->num_negative_pics);
656
657
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✓ Branch 1 taken 3566 times.
 26716 for (i = 0; i < current->num_negative_pics; i++) {
658
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 19584 ues(delta_poc_s0_minus1[i], 0, INT16_MAX, 1, i);
659
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 19584 flags(used_by_curr_pic_s0_flag[i], 1, i);
660 }
661
662
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 8752 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 9530 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 2 taken 3520 times.
✓ 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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✓ Branch 1 taken 1956 times.
 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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✓ Branch 1 taken 768 times.
 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
750 128 static int FUNC(vui_parameters_default)(CodedBitstreamContext *ctx,
751 RWContext *rw, H265RawVUI *current,
752 H265RawSPS *sps)
753 {
754
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 128 infer(aspect_ratio_idc, 0);
755
756
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 128 infer(video_format, 5);
757
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 128 infer(video_full_range_flag, 0);
758
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 128 infer(colour_primaries, 2);
759
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 128 infer(transfer_characteristics, 2);
760
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 128 infer(matrix_coefficients, 2);
761
762
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 128 infer(chroma_sample_loc_type_top_field, 0);
763
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 128 infer(chroma_sample_loc_type_bottom_field, 0);
764
765
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 128 infer(tiles_fixed_structure_flag, 0);
766
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 128 infer(motion_vectors_over_pic_boundaries_flag, 1);
767
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 128 infer(min_spatial_segmentation_idc, 0);
768
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 128 infer(max_bytes_per_pic_denom, 2);
769
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 128 infer(max_bits_per_min_cu_denom, 1);
770
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 128 infer(log2_max_mv_length_horizontal, 15);
771
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 128 infer(log2_max_mv_length_vertical, 15);
772
773 128 return 0;
774 }
775
776 232 static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw,
777 H265RawSPS *current)
778 {
779 232 CodedBitstreamH265Context *h265 = ctx->priv_data;
780 const H265RawVPS *vps;
781 int err, i;
782 unsigned int min_cb_log2_size_y, ctb_log2_size_y,
783 min_cb_size_y, min_tb_log2_size_y;
784
785 232 HEADER("Sequence Parameter Set");
786
787
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 232 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_SPS));
788
789
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 232 ub(4, sps_video_parameter_set_id);
790 232 h265->active_vps = vps = h265->vps[current->sps_video_parameter_set_id];
791
792
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 232 u(3, sps_max_sub_layers_minus1, 0, HEVC_MAX_SUB_LAYERS - 1);
793
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 232 flag(sps_temporal_id_nesting_flag);
794
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 232 if (vps) {
795
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 232 if (vps->vps_max_sub_layers_minus1 > current->sps_max_sub_layers_minus1) {
796 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
797 "sps_max_sub_layers_minus1 (%d) must be less than or equal to "
798 "vps_max_sub_layers_minus1 (%d).\n",
799 ✗ vps->vps_max_sub_layers_minus1,
800 ✗ current->sps_max_sub_layers_minus1);
801 ✗ return AVERROR_INVALIDDATA;
802 }
803
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 232 if (vps->vps_temporal_id_nesting_flag &&
804
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 184 !current->sps_temporal_id_nesting_flag) {
805 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
806 "sps_temporal_id_nesting_flag must be 1 if "
807 "vps_temporal_id_nesting_flag is 1.\n");
808 ✗ return AVERROR_INVALIDDATA;
809 }
810 }
811
812
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 232 CHECK(FUNC(profile_tier_level)(ctx, rw, &current->profile_tier_level,
813 1, current->sps_max_sub_layers_minus1));
814
815
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 232 ue(sps_seq_parameter_set_id, 0, 15);
816
817
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 232 ue(chroma_format_idc, 0, 3);
818
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 232 if (current->chroma_format_idc == 3)
819 ✗ flag(separate_colour_plane_flag);
820 else
821
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 232 infer(separate_colour_plane_flag, 0);
822
823
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 232 ue(pic_width_in_luma_samples, 1, HEVC_MAX_WIDTH);
824
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 232 ue(pic_height_in_luma_samples, 1, HEVC_MAX_HEIGHT);
825
826
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 232 flag(conformance_window_flag);
827
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 232 if (current->conformance_window_flag) {
828
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 184 ue(conf_win_left_offset, 0, current->pic_width_in_luma_samples);
829
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 184 ue(conf_win_right_offset, 0, current->pic_width_in_luma_samples);
830
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 184 ue(conf_win_top_offset, 0, current->pic_height_in_luma_samples);
831
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 184 ue(conf_win_bottom_offset, 0, current->pic_height_in_luma_samples);
832 } else {
833
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 48 infer(conf_win_left_offset, 0);
834
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 48 infer(conf_win_right_offset, 0);
835
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 48 infer(conf_win_top_offset, 0);
836
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 48 infer(conf_win_bottom_offset, 0);
837 }
838
839
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 232 ue(bit_depth_luma_minus8, 0, 8);
840
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 232 ue(bit_depth_chroma_minus8, 0, 8);
841
842
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 232 ue(log2_max_pic_order_cnt_lsb_minus4, 0, 12);
843
844
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 232 flag(sps_sub_layer_ordering_info_present_flag);
845 232 for (i = (current->sps_sub_layer_ordering_info_present_flag ?
846
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 232 0 : current->sps_max_sub_layers_minus1);
847
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 480 i <= current->sps_max_sub_layers_minus1; i++) {
848
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 248 ues(sps_max_dec_pic_buffering_minus1[i],
849 0, HEVC_MAX_DPB_SIZE - 1, 1, i);
850
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 248 ues(sps_max_num_reorder_pics[i],
851 0, current->sps_max_dec_pic_buffering_minus1[i], 1, i);
852
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 248 ues(sps_max_latency_increase_plus1[i],
853 0, UINT32_MAX - 1, 1, i);
854 }
855
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 232 if (!current->sps_sub_layer_ordering_info_present_flag) {
856
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 128 for (i = 0; i < current->sps_max_sub_layers_minus1; i++) {
857
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 80 infer(sps_max_dec_pic_buffering_minus1[i],
858 current->sps_max_dec_pic_buffering_minus1[current->sps_max_sub_layers_minus1]);
859
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 80 infer(sps_max_num_reorder_pics[i],
860 current->sps_max_num_reorder_pics[current->sps_max_sub_layers_minus1]);
861
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 80 infer(sps_max_latency_increase_plus1[i],
862 current->sps_max_latency_increase_plus1[current->sps_max_sub_layers_minus1]);
863 }
864 }
865
866
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 232 ue(log2_min_luma_coding_block_size_minus3, 0, 3);
867 232 min_cb_log2_size_y = current->log2_min_luma_coding_block_size_minus3 + 3;
868
869
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 232 ue(log2_diff_max_min_luma_coding_block_size, 0, 3);
870 232 ctb_log2_size_y = min_cb_log2_size_y +
871 232 current->log2_diff_max_min_luma_coding_block_size;
872
873 232 min_cb_size_y = 1 << min_cb_log2_size_y;
874
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 232 if (current->pic_width_in_luma_samples % min_cb_size_y ||
875
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 232 current->pic_height_in_luma_samples % min_cb_size_y) {
876 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid dimensions: %ux%u not divisible "
877 ✗ "by MinCbSizeY = %u.\n", current->pic_width_in_luma_samples,
878 ✗ current->pic_height_in_luma_samples, min_cb_size_y);
879 ✗ return AVERROR_INVALIDDATA;
880 }
881
882
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 232 ue(log2_min_luma_transform_block_size_minus2, 0, min_cb_log2_size_y - 3);
883 232 min_tb_log2_size_y = current->log2_min_luma_transform_block_size_minus2 + 2;
884
885
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 232 ue(log2_diff_max_min_luma_transform_block_size,
886 0, FFMIN(ctb_log2_size_y, 5) - min_tb_log2_size_y);
887
888
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 232 ue(max_transform_hierarchy_depth_inter,
889 0, ctb_log2_size_y - min_tb_log2_size_y);
890
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 232 ue(max_transform_hierarchy_depth_intra,
891 0, ctb_log2_size_y - min_tb_log2_size_y);
892
893
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 232 flag(scaling_list_enabled_flag);
894
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 232 if (current->scaling_list_enabled_flag) {
895
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 16 flag(sps_scaling_list_data_present_flag);
896
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 16 if (current->sps_scaling_list_data_present_flag)
897
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 16 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
898 } else {
899
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 216 infer(sps_scaling_list_data_present_flag, 0);
900 }
901
902
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 232 flag(amp_enabled_flag);
903
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 232 flag(sample_adaptive_offset_enabled_flag);
904
905
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 232 flag(pcm_enabled_flag);
906
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 232 if (current->pcm_enabled_flag) {
907
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 8 u(4, pcm_sample_bit_depth_luma_minus1,
908 0, current->bit_depth_luma_minus8 + 8 - 1);
909
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 8 u(4, pcm_sample_bit_depth_chroma_minus1,
910 0, current->bit_depth_chroma_minus8 + 8 - 1);
911
912
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 8 ue(log2_min_pcm_luma_coding_block_size_minus3,
913 FFMIN(min_cb_log2_size_y, 5) - 3, FFMIN(ctb_log2_size_y, 5) - 3);
914
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 8 ue(log2_diff_max_min_pcm_luma_coding_block_size,
915 0, FFMIN(ctb_log2_size_y, 5) - (current->log2_min_pcm_luma_coding_block_size_minus3 + 3));
916
917
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 8 flag(pcm_loop_filter_disabled_flag);
918 }
919
920
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 232 ue(num_short_term_ref_pic_sets, 0, HEVC_MAX_SHORT_TERM_REF_PIC_SETS);
921
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 2240 for (i = 0; i < current->num_short_term_ref_pic_sets; i++)
922
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 2008 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->st_ref_pic_set[i], i, current));
923
924
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 232 flag(long_term_ref_pics_present_flag);
925
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 232 if (current->long_term_ref_pics_present_flag) {
926
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 56 ue(num_long_term_ref_pics_sps, 0, HEVC_MAX_LONG_TERM_REF_PICS);
927
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 120 for (i = 0; i < current->num_long_term_ref_pics_sps; i++) {
928
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 64 ubs(current->log2_max_pic_order_cnt_lsb_minus4 + 4,
929 lt_ref_pic_poc_lsb_sps[i], 1, i);
930
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 64 flags(used_by_curr_pic_lt_sps_flag[i], 1, i);
931 }
932 }
933
934
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 232 flag(sps_temporal_mvp_enabled_flag);
935
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 232 flag(strong_intra_smoothing_enabled_flag);
936
937
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 232 flag(vui_parameters_present_flag);
938
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 232 if (current->vui_parameters_present_flag)
939
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 104 CHECK(FUNC(vui_parameters)(ctx, rw, &current->vui, current));
940 else
941
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 128 CHECK(FUNC(vui_parameters_default)(ctx, rw, &current->vui, current));
942
943
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 232 flag(sps_extension_present_flag);
944
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 232 if (current->sps_extension_present_flag) {
945 ✗ flag(sps_range_extension_flag);
946 ✗ flag(sps_multilayer_extension_flag);
947 ✗ flag(sps_3d_extension_flag);
948 ✗ flag(sps_scc_extension_flag);
949 ✗ ub(4, sps_extension_4bits);
950 }
951
952
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 232 if (current->sps_range_extension_flag)
953 ✗ CHECK(FUNC(sps_range_extension)(ctx, rw, current));
954
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 232 if (current->sps_multilayer_extension_flag)
955 ✗ return AVERROR_PATCHWELCOME;
956
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 232 if (current->sps_3d_extension_flag)
957 ✗ return AVERROR_PATCHWELCOME;
958
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 232 if (current->sps_scc_extension_flag)
959 ✗ CHECK(FUNC(sps_scc_extension)(ctx, rw, current));
960
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 232 if (current->sps_extension_4bits)
961 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
962
963
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 232 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
964
965 232 return 0;
966 }
967
968 ✗ static int FUNC(pps_range_extension)(CodedBitstreamContext *ctx, RWContext *rw,
969 H265RawPPS *current)
970 {
971 ✗ CodedBitstreamH265Context *h265 = ctx->priv_data;
972 ✗ const H265RawSPS *sps = h265->active_sps;
973 int err, i;
974
975 ✗ if (current->transform_skip_enabled_flag)
976 ✗ ue(log2_max_transform_skip_block_size_minus2, 0, 3);
977 ✗ flag(cross_component_prediction_enabled_flag);
978
979 ✗ flag(chroma_qp_offset_list_enabled_flag);
980 ✗ if (current->chroma_qp_offset_list_enabled_flag) {
981 ✗ ue(diff_cu_chroma_qp_offset_depth,
982 0, sps->log2_diff_max_min_luma_coding_block_size);
983 ✗ ue(chroma_qp_offset_list_len_minus1, 0, 5);
984 ✗ for (i = 0; i <= current->chroma_qp_offset_list_len_minus1; i++) {
985 ✗ ses(cb_qp_offset_list[i], -12, +12, 1, i);
986 ✗ ses(cr_qp_offset_list[i], -12, +12, 1, i);
987 }
988 }
989
990 ✗ ue(log2_sao_offset_scale_luma, 0, FFMAX(0, sps->bit_depth_luma_minus8 - 2));
991 ✗ ue(log2_sao_offset_scale_chroma, 0, FFMAX(0, sps->bit_depth_chroma_minus8 - 2));
992
993 ✗ return 0;
994 }
995
996 ✗ static int FUNC(pps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw,
997 H265RawPPS *current)
998 {
999 int err, comp, i;
1000
1001 ✗ flag(pps_curr_pic_ref_enabled_flag);
1002
1003 ✗ flag(residual_adaptive_colour_transform_enabled_flag);
1004 ✗ if (current->residual_adaptive_colour_transform_enabled_flag) {
1005 ✗ flag(pps_slice_act_qp_offsets_present_flag);
1006 ✗ se(pps_act_y_qp_offset_plus5, -7, +17);
1007 ✗ se(pps_act_cb_qp_offset_plus5, -7, +17);
1008 ✗ se(pps_act_cr_qp_offset_plus3, -9, +15);
1009 } else {
1010 ✗ infer(pps_slice_act_qp_offsets_present_flag, 0);
1011 ✗ infer(pps_act_y_qp_offset_plus5, 0);
1012 ✗ infer(pps_act_cb_qp_offset_plus5, 0);
1013 ✗ infer(pps_act_cr_qp_offset_plus3, 0);
1014 }
1015
1016 ✗ flag(pps_palette_predictor_initializer_present_flag);
1017 ✗ if (current->pps_palette_predictor_initializer_present_flag) {
1018 ✗ ue(pps_num_palette_predictor_initializer, 0, 128);
1019 ✗ if (current->pps_num_palette_predictor_initializer > 0) {
1020 ✗ flag(monochrome_palette_flag);
1021 ✗ ue(luma_bit_depth_entry_minus8, 0, 8);
1022 ✗ if (!current->monochrome_palette_flag)
1023 ✗ ue(chroma_bit_depth_entry_minus8, 0, 8);
1024 ✗ for (comp = 0; comp < (current->monochrome_palette_flag ? 1 : 3); comp++) {
1025 ✗ int bit_depth = comp == 0 ? current->luma_bit_depth_entry_minus8 + 8
1026 ✗ : current->chroma_bit_depth_entry_minus8 + 8;
1027 ✗ for (i = 0; i < current->pps_num_palette_predictor_initializer; i++)
1028 ✗ ubs(bit_depth, pps_palette_predictor_initializers[comp][i], 2, comp, i);
1029 }
1030 }
1031 }
1032
1033 ✗ return 0;
1034 }
1035
1036 1132 static int FUNC(pps)(CodedBitstreamContext *ctx, RWContext *rw,
1037 H265RawPPS *current)
1038 {
1039 1132 CodedBitstreamH265Context *h265 = ctx->priv_data;
1040 const H265RawSPS *sps;
1041 int err, i;
1042
1043 1132 HEADER("Picture Parameter Set");
1044
1045
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 1132 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_PPS));
1046
1047
1/2
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 1132 ue(pps_pic_parameter_set_id, 0, 63);
1048
1/2
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 1132 ue(pps_seq_parameter_set_id, 0, 15);
1049 1132 sps = h265->sps[current->pps_seq_parameter_set_id];
1050
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 1132 if (!sps) {
1051 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1052 ✗ current->pps_seq_parameter_set_id);
1053 ✗ return AVERROR_INVALIDDATA;
1054 }
1055 1132 h265->active_sps = sps;
1056
1057
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 1132 flag(dependent_slice_segments_enabled_flag);
1058
1/2
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 1132 flag(output_flag_present_flag);
1059
1/2
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 1132 ub(3, num_extra_slice_header_bits);
1060
1/2
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 1132 flag(sign_data_hiding_enabled_flag);
1061
1/2
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 1132 flag(cabac_init_present_flag);
1062
1063
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 1132 ue(num_ref_idx_l0_default_active_minus1, 0, 14);
1064
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 1132 ue(num_ref_idx_l1_default_active_minus1, 0, 14);
1065
1066
1/2
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 1132 se(init_qp_minus26, -(26 + 6 * sps->bit_depth_luma_minus8), +25);
1067
1068
1/2
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 1132 flag(constrained_intra_pred_flag);
1069
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 1132 flag(transform_skip_enabled_flag);
1070
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 1132 flag(cu_qp_delta_enabled_flag);
1071
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✓ Branch 1 taken 538 times.
 1132 if (current->cu_qp_delta_enabled_flag)
1072
1/2
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 56 ue(diff_cu_qp_delta_depth,
1073 0, sps->log2_diff_max_min_luma_coding_block_size);
1074 else
1075
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 1076 infer(diff_cu_qp_delta_depth, 0);
1076
1077
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 1132 se(pps_cb_qp_offset, -12, +12);
1078
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 1132 se(pps_cr_qp_offset, -12, +12);
1079
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 1132 flag(pps_slice_chroma_qp_offsets_present_flag);
1080
1081
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 1132 flag(weighted_pred_flag);
1082
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 1132 flag(weighted_bipred_flag);
1083
1084
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 1132 flag(transquant_bypass_enabled_flag);
1085
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 1132 flag(tiles_enabled_flag);
1086
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 1132 flag(entropy_coding_sync_enabled_flag);
1087
1088
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✓ Branch 1 taken 356 times.
 1132 if (current->tiles_enabled_flag) {
1089
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 420 ue(num_tile_columns_minus1, 0, HEVC_MAX_TILE_COLUMNS);
1090
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 420 ue(num_tile_rows_minus1, 0, HEVC_MAX_TILE_ROWS);
1091
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 420 flag(uniform_spacing_flag);
1092
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✓ Branch 1 taken 8 times.
 420 if (!current->uniform_spacing_flag) {
1093
2/2
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✓ Branch 1 taken 202 times.
 2020 for (i = 0; i < current->num_tile_columns_minus1; i++)
1094
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 1616 ues(column_width_minus1[i], 0, sps->pic_width_in_luma_samples, 1, i);
1095
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✓ Branch 1 taken 202 times.
 2020 for (i = 0; i < current->num_tile_rows_minus1; i++)
1096
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 1616 ues(row_height_minus1[i], 0, sps->pic_height_in_luma_samples, 1, i);
1097 }
1098
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 420 flag(loop_filter_across_tiles_enabled_flag);
1099 } else {
1100
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 712 infer(num_tile_columns_minus1, 0);
1101
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 712 infer(num_tile_rows_minus1, 0);
1102 }
1103
1104
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 1132 flag(pps_loop_filter_across_slices_enabled_flag);
1105
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 1132 flag(deblocking_filter_control_present_flag);
1106
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✓ Branch 1 taken 340 times.
 1132 if (current->deblocking_filter_control_present_flag) {
1107
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 452 flag(deblocking_filter_override_enabled_flag);
1108
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 452 flag(pps_deblocking_filter_disabled_flag);
1109
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✓ Branch 1 taken 4 times.
 452 if (!current->pps_deblocking_filter_disabled_flag) {
1110
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✓ Branch 2 taken 222 times.
 444 se(pps_beta_offset_div2, -6, +6);
1111
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 444 se(pps_tc_offset_div2, -6, +6);
1112 } else {
1113
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✓ Branch 1 taken 2 times.
 8 infer(pps_beta_offset_div2, 0);
1114
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 8 infer(pps_tc_offset_div2, 0);
1115 }
1116 } else {
1117
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✓ Branch 1 taken 170 times.
 680 infer(deblocking_filter_override_enabled_flag, 0);
1118
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✓ Branch 1 taken 170 times.
 680 infer(pps_deblocking_filter_disabled_flag, 0);
1119
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 680 infer(pps_beta_offset_div2, 0);
1120
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 680 infer(pps_tc_offset_div2, 0);
1121 }
1122
1123
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 1132 flag(pps_scaling_list_data_present_flag);
1124
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✓ Branch 1 taken 398 times.
 1132 if (current->pps_scaling_list_data_present_flag)
1125
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 336 CHECK(FUNC(scaling_list_data)(ctx, rw, &current->scaling_list));
1126
1127
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 1132 flag(lists_modification_present_flag);
1128
1129
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 1132 ue(log2_parallel_merge_level_minus2,
1130 0, (sps->log2_min_luma_coding_block_size_minus3 + 3 +
1131 sps->log2_diff_max_min_luma_coding_block_size - 2));
1132
1133
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 1132 flag(slice_segment_header_extension_present_flag);
1134
1135
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 1132 flag(pps_extension_present_flag);
1136
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 1132 if (current->pps_extension_present_flag) {
1137 ✗ flag(pps_range_extension_flag);
1138 ✗ flag(pps_multilayer_extension_flag);
1139 ✗ flag(pps_3d_extension_flag);
1140 ✗ flag(pps_scc_extension_flag);
1141 ✗ ub(4, pps_extension_4bits);
1142 }
1143
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 1132 if (current->pps_range_extension_flag)
1144 ✗ CHECK(FUNC(pps_range_extension)(ctx, rw, current));
1145
1/2
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 1132 if (current->pps_multilayer_extension_flag)
1146 ✗ return AVERROR_PATCHWELCOME;
1147
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 1132 if (current->pps_3d_extension_flag)
1148 ✗ return AVERROR_PATCHWELCOME;
1149
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 1132 if (current->pps_scc_extension_flag)
1150 ✗ CHECK(FUNC(pps_scc_extension)(ctx, rw, current));
1151
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 1132 if (current->pps_extension_4bits)
1152 ✗ CHECK(FUNC(extension_data)(ctx, rw, &current->extension_data));
1153
1154
1/2
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✓ Branch 2 taken 566 times.
 1132 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1155
1156 1132 return 0;
1157 }
1158
1159 240 static int FUNC(aud)(CodedBitstreamContext *ctx, RWContext *rw,
1160 H265RawAUD *current)
1161 {
1162 int err;
1163
1164 240 HEADER("Access Unit Delimiter");
1165
1166
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 240 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, HEVC_NAL_AUD));
1167
1168
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 240 u(3, pic_type, 0, 2);
1169
1170
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 240 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
1171
1172 240 return 0;
1173 }
1174
1175 2992 static int FUNC(ref_pic_lists_modification)(CodedBitstreamContext *ctx, RWContext *rw,
1176 H265RawSliceHeader *current,
1177 unsigned int num_pic_total_curr)
1178 {
1179 unsigned int entry_size;
1180 int err, i;
1181
1182 2992 entry_size = av_log2(num_pic_total_curr - 1) + 1;
1183
1184
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 2992 flag(ref_pic_list_modification_flag_l0);
1185
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✓ Branch 1 taken 770 times.
 2992 if (current->ref_pic_list_modification_flag_l0) {
1186
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✓ Branch 1 taken 726 times.
 4796 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++)
1187
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 3344 us(entry_size, list_entry_l0[i], 0, num_pic_total_curr - 1, 1, i);
1188 }
1189
1190
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✗ Branch 1 not taken.
 2992 if (current->slice_type == HEVC_SLICE_B) {
1191
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 2992 flag(ref_pic_list_modification_flag_l1);
1192
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✓ Branch 1 taken 1070 times.
 2992 if (current->ref_pic_list_modification_flag_l1) {
1193
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 2872 for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++)
1194
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 2020 us(entry_size, list_entry_l1[i], 0, num_pic_total_curr - 1, 1, i);
1195 }
1196 }
1197
1198 2992 return 0;
1199 }
1200
1201 1020 static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
1202 H265RawSliceHeader *current)
1203 {
1204 1020 CodedBitstreamH265Context *h265 = ctx->priv_data;
1205 1020 const H265RawSPS *sps = h265->active_sps;
1206 int err, i, j;
1207
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 2040 int chroma = !sps->separate_colour_plane_flag &&
1208
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✗ Branch 1 not taken.
 1020 sps->chroma_format_idc != 0;
1209
1210
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 1020 ue(luma_log2_weight_denom, 0, 7);
1211
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 1020 if (chroma)
1212
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 1020 se(delta_chroma_log2_weight_denom, -7, 7);
1213 else
1214 ✗ infer(delta_chroma_log2_weight_denom, 0);
1215
1216
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 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1217 if (1 /* is not same POC and same layer_id */)
1218
1/2
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 4056 flags(luma_weight_l0_flag[i], 1, i);
1219 else
1220 infer(luma_weight_l0_flag[i], 0);
1221 }
1222
1/2
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✗ Branch 1 not taken.
 1020 if (chroma) {
1223
2/2
✓ Branch 0 taken 2028 times.
✓ Branch 1 taken 510 times.
 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1224 if (1 /* is not same POC and same layer_id */)
1225
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2028 times.
 4056 flags(chroma_weight_l0_flag[i], 1, i);
1226 else
1227 infer(chroma_weight_l0_flag[i], 0);
1228 }
1229 }
1230
1231
2/2
✓ Branch 0 taken 2028 times.
✓ Branch 1 taken 510 times.
 5076 for (i = 0; i <= current->num_ref_idx_l0_active_minus1; i++) {
1232
2/2
✓ Branch 0 taken 1540 times.
✓ Branch 1 taken 488 times.
 4056 if (current->luma_weight_l0_flag[i]) {
1233
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1540 times.
 3080 ses(delta_luma_weight_l0[i], -128, +127, 1, i);
1234
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1540 times.
 3080 ses(luma_offset_l0[i],
1235 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1236 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1237 } else {
1238
1/2
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✓ Branch 1 taken 244 times.
 976 infer(delta_luma_weight_l0[i], 0);
1239
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 244 times.
 976 infer(luma_offset_l0[i], 0);
1240 }
1241
2/2
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✓ Branch 1 taken 1522 times.
 4056 if (current->chroma_weight_l0_flag[i]) {
1242
2/2
✓ Branch 0 taken 1012 times.
✓ Branch 1 taken 506 times.
 3036 for (j = 0; j < 2; j++) {
1243
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1012 times.
 2024 ses(delta_chroma_weight_l0[i][j], -128, +127, 2, i, j);
1244
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1012 times.
 2024 ses(chroma_offset_l0[i][j],
1245 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1246 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1247 }
1248 } else {
1249
2/2
✓ Branch 0 taken 3044 times.
✓ Branch 1 taken 1522 times.
 9132 for (j = 0; j < 2; j++) {
1250
1/2
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✓ Branch 1 taken 1522 times.
 6088 infer(delta_chroma_weight_l0[i][j], 0);
1251
1/2
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✓ Branch 1 taken 1522 times.
 6088 infer(chroma_offset_l0[i][j], 0);
1252 }
1253 }
1254 }
1255
1256
1/2
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✓ Branch 1 taken 510 times.
 1020 if (current->slice_type == HEVC_SLICE_B) {
1257 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1258 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1259 ✗ flags(luma_weight_l1_flag[i], 1, i);
1260 else
1261 infer(luma_weight_l1_flag[i], 0);
1262 }
1263 ✗ if (chroma) {
1264 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1265 if (1 /* RefPicList1[i] is not CurrPic, nor is it in a different layer */)
1266 ✗ flags(chroma_weight_l1_flag[i], 1, i);
1267 else
1268 infer(chroma_weight_l1_flag[i], 0);
1269 }
1270 }
1271
1272 ✗ for (i = 0; i <= current->num_ref_idx_l1_active_minus1; i++) {
1273 ✗ if (current->luma_weight_l1_flag[i]) {
1274 ✗ ses(delta_luma_weight_l1[i], -128, +127, 1, i);
1275 ✗ ses(luma_offset_l1[i],
1276 -(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
1277 ((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1), 1, i);
1278 } else {
1279 ✗ infer(delta_luma_weight_l1[i], 0);
1280 ✗ infer(luma_offset_l1[i], 0);
1281 }
1282 ✗ if (current->chroma_weight_l1_flag[i]) {
1283 ✗ for (j = 0; j < 2; j++) {
1284 ✗ ses(delta_chroma_weight_l1[i][j], -128, +127, 2, i, j);
1285 ✗ ses(chroma_offset_l1[i][j],
1286 -(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
1287 ((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1), 2, i, j);
1288 }
1289 } else {
1290 ✗ for (j = 0; j < 2; j++) {
1291 ✗ infer(delta_chroma_weight_l1[i][j], 0);
1292 ✗ infer(chroma_offset_l1[i][j], 0);
1293 }
1294 }
1295 }
1296 }
1297
1298 1020 return 0;
1299 }
1300
1301 26438 static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw,
1302 H265RawSliceHeader *current)
1303 {
1304 26438 CodedBitstreamH265Context *h265 = ctx->priv_data;
1305 const H265RawSPS *sps;
1306 const H265RawPPS *pps;
1307 unsigned int min_cb_log2_size_y, ctb_log2_size_y, ctb_size_y;
1308 unsigned int pic_width_in_ctbs_y, pic_height_in_ctbs_y, pic_size_in_ctbs_y;
1309 26438 unsigned int num_pic_total_curr = 0;
1310 int err, i;
1311
1312 26438 HEADER("Slice Segment Header");
1313
1314
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 26438 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header, -1));
1315
1316
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 26438 flag(first_slice_segment_in_pic_flag);
1317
1318
2/2
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✓ Branch 1 taken 12953 times.
 26438 if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
1319
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✗ Branch 1 not taken.
 532 current->nal_unit_header.nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
1320
1/2
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✓ Branch 2 taken 266 times.
 532 flag(no_output_of_prior_pics_flag);
1321
1322
1/2
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✓ Branch 2 taken 13219 times.
 26438 ue(slice_pic_parameter_set_id, 0, 63);
1323
1324 26438 pps = h265->pps[current->slice_pic_parameter_set_id];
1325
1/2
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✓ Branch 1 taken 13219 times.
 26438 if (!pps) {
1326 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "PPS id %d not available.\n",
1327 ✗ current->slice_pic_parameter_set_id);
1328 ✗ return AVERROR_INVALIDDATA;
1329 }
1330 26438 h265->active_pps = pps;
1331
1332 26438 sps = h265->sps[pps->pps_seq_parameter_set_id];
1333
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 13219 times.
 26438 if (!sps) {
1334 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1335 ✗ pps->pps_seq_parameter_set_id);
1336 ✗ return AVERROR_INVALIDDATA;
1337 }
1338 26438 h265->active_sps = sps;
1339
1340 26438 min_cb_log2_size_y = sps->log2_min_luma_coding_block_size_minus3 + 3;
1341 26438 ctb_log2_size_y = min_cb_log2_size_y + sps->log2_diff_max_min_luma_coding_block_size;
1342 26438 ctb_size_y = 1 << ctb_log2_size_y;
1343 26438 pic_width_in_ctbs_y =
1344 26438 (sps->pic_width_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1345 26438 pic_height_in_ctbs_y =
1346 26438 (sps->pic_height_in_luma_samples + ctb_size_y - 1) / ctb_size_y;
1347 26438 pic_size_in_ctbs_y = pic_width_in_ctbs_y * pic_height_in_ctbs_y;
1348
1349
2/2
✓ Branch 0 taken 8736 times.
✓ Branch 1 taken 4483 times.
 26438 if (!current->first_slice_segment_in_pic_flag) {
1350 17472 unsigned int address_size = av_log2(pic_size_in_ctbs_y - 1) + 1;
1351
2/2
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✓ Branch 1 taken 3382 times.
 17472 if (pps->dependent_slice_segments_enabled_flag)
1352
1/2
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✓ Branch 2 taken 5354 times.
 10708 flag(dependent_slice_segment_flag);
1353 else
1354
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✓ Branch 1 taken 1691 times.
 6764 infer(dependent_slice_segment_flag, 0);
1355
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);
1356 } else {
1357
1/2
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✓ Branch 1 taken 2159 times.
 8966 infer(dependent_slice_segment_flag, 0);
1358 }
1359
1360
2/2
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✓ Branch 1 taken 4510 times.
 26438 if (!current->dependent_slice_segment_flag) {
1361
1/2
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✓ Branch 1 taken 8709 times.
 17418 for (i = 0; i < pps->num_extra_slice_header_bits; i++)
1362 ✗ flags(slice_reserved_flag[i], 1, i);
1363
1364
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8709 times.
 17418 ue(slice_type, 0, 2);
1365
1366
1/2
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✓ Branch 1 taken 8709 times.
 17418 if (pps->output_flag_present_flag)
1367 ✗ flag(pic_output_flag);
1368
1369
1/2
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✓ Branch 1 taken 8709 times.
 17418 if (sps->separate_colour_plane_flag)
1370 ✗ u(2, colour_plane_id, 0, 2);
1371
1372
2/2
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✓ Branch 1 taken 114 times.
 17418 if (current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_W_RADL &&
1373
2/2
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✓ Branch 1 taken 2 times.
 17190 current->nal_unit_header.nal_unit_type != HEVC_NAL_IDR_N_LP) {
1374 const H265RawSTRefPicSet *rps;
1375 int dpb_slots_remaining;
1376
1377
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8593 times.
 17186 ub(sps->log2_max_pic_order_cnt_lsb_minus4 + 4, slice_pic_order_cnt_lsb);
1378
1379
1/2
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✓ Branch 2 taken 8593 times.
 17186 flag(short_term_ref_pic_set_sps_flag);
1380
2/2
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✓ Branch 1 taken 4832 times.
 17186 if (!current->short_term_ref_pic_set_sps_flag) {
1381
1/2
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✓ Branch 2 taken 3761 times.
 7522 CHECK(FUNC(st_ref_pic_set)(ctx, rw, &current->short_term_ref_pic_set,
1382 sps->num_short_term_ref_pic_sets, sps));
1383 7522 rps = &current->short_term_ref_pic_set;
1384
1/2
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✗ Branch 1 not taken.
 9664 } else if (sps->num_short_term_ref_pic_sets > 1) {
1385 9664 unsigned int idx_size = av_log2(sps->num_short_term_ref_pic_sets - 1) + 1;
1386
1/2
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✓ Branch 2 taken 4832 times.
 9664 u(idx_size, short_term_ref_pic_set_idx,
1387 0, sps->num_short_term_ref_pic_sets - 1);
1388 9664 rps = &sps->st_ref_pic_set[current->short_term_ref_pic_set_idx];
1389 } else {
1390 ✗ infer(short_term_ref_pic_set_idx, 0);
1391 ✗ rps = &sps->st_ref_pic_set[0];
1392 }
1393
1394 17186 dpb_slots_remaining = HEVC_MAX_DPB_SIZE - 1 -
1395 17186 rps->num_negative_pics - rps->num_positive_pics;
1396
1/2
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✓ Branch 1 taken 8593 times.
 17186 if (pps->pps_curr_pic_ref_enabled_flag &&
1397 ✗ (sps->sample_adaptive_offset_enabled_flag ||
1398 ✗ !pps->pps_deblocking_filter_disabled_flag ||
1399 ✗ pps->deblocking_filter_override_enabled_flag)) {
1400 // This picture will occupy two DPB slots.
1401 ✗ if (dpb_slots_remaining == 0) {
1402 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid stream: "
1403 "short-term ref pic set contains too many pictures "
1404 "to use with current picture reference enabled.\n");
1405 ✗ return AVERROR_INVALIDDATA;
1406 }
1407 ✗ --dpb_slots_remaining;
1408 }
1409
1410 17186 num_pic_total_curr = 0;
1411
2/2
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✓ Branch 1 taken 8593 times.
 63440 for (i = 0; i < rps->num_negative_pics; i++)
1412
2/2
✓ Branch 0 taken 22079 times.
✓ Branch 1 taken 1048 times.
 46254 if (rps->used_by_curr_pic_s0_flag[i])
1413 44158 ++num_pic_total_curr;
1414
2/2
✓ Branch 0 taken 6430 times.
✓ Branch 1 taken 8593 times.
 30046 for (i = 0; i < rps->num_positive_pics; i++)
1415
2/2
✓ Branch 0 taken 6140 times.
✓ Branch 1 taken 290 times.
 12860 if (rps->used_by_curr_pic_s1_flag[i])
1416 12280 ++num_pic_total_curr;
1417
1418
2/2
✓ Branch 0 taken 1664 times.
✓ Branch 1 taken 6929 times.
 17186 if (sps->long_term_ref_pics_present_flag) {
1419 unsigned int idx_size;
1420
1421
2/2
✓ Branch 0 taken 998 times.
✓ Branch 1 taken 666 times.
 3328 if (sps->num_long_term_ref_pics_sps > 0) {
1422
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,
1423 dpb_slots_remaining));
1424 1996 idx_size = av_log2(sps->num_long_term_ref_pics_sps - 1) + 1;
1425 1996 dpb_slots_remaining -= current->num_long_term_sps;
1426 } else {
1427
1/2
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✓ Branch 1 taken 333 times.
 1332 infer(num_long_term_sps, 0);
1428 1332 idx_size = 0;
1429 }
1430
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1664 times.
 3328 ue(num_long_term_pics, 0, dpb_slots_remaining);
1431
1432 3328 for (i = 0; i < current->num_long_term_sps +
1433
2/2
✓ Branch 0 taken 2820 times.
✓ Branch 1 taken 1664 times.
 8968 current->num_long_term_pics; i++) {
1434
2/2
✓ Branch 0 taken 368 times.
✓ Branch 1 taken 2452 times.
 5640 if (i < current->num_long_term_sps) {
1435
1/2
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✗ Branch 1 not taken.
 736 if (sps->num_long_term_ref_pics_sps > 1)
1436
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 368 times.
 736 us(idx_size, lt_idx_sps[i],
1437 0, sps->num_long_term_ref_pics_sps - 1, 1, i);
1438
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]])
1439 352 ++num_pic_total_curr;
1440 } else {
1441
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);
1442
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2452 times.
 4904 flags(used_by_curr_pic_lt_flag[i], 1, i);
1443
2/2
✓ Branch 0 taken 756 times.
✓ Branch 1 taken 1696 times.
 4904 if (current->used_by_curr_pic_lt_flag[i])
1444 1512 ++num_pic_total_curr;
1445 }
1446
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2820 times.
 5640 flags(delta_poc_msb_present_flag[i], 1, i);
1447
1/2
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✓ Branch 1 taken 2820 times.
 5640 if (current->delta_poc_msb_present_flag[i])
1448 ✗ ues(delta_poc_msb_cycle_lt[i], 0, UINT32_MAX - 1, 1, i);
1449 else
1450
1/2
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✓ Branch 1 taken 1410 times.
 5640 infer(delta_poc_msb_cycle_lt[i], 0);
1451 }
1452 }
1453
1454
2/2
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✓ Branch 1 taken 2646 times.
 17186 if (sps->sps_temporal_mvp_enabled_flag)
1455
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5947 times.
 11894 flag(slice_temporal_mvp_enabled_flag);
1456 else
1457
1/2
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✓ Branch 1 taken 1323 times.
 5292 infer(slice_temporal_mvp_enabled_flag, 0);
1458
1459
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8593 times.
 17186 if (pps->pps_curr_pic_ref_enabled_flag)
1460 ✗ ++num_pic_total_curr;
1461 }
1462
1463
2/2
✓ Branch 0 taken 5441 times.
✓ Branch 1 taken 3268 times.
 17418 if (sps->sample_adaptive_offset_enabled_flag) {
1464
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5441 times.
 10882 flag(slice_sao_luma_flag);
1465
2/4
✓ Branch 0 taken 5441 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 5441 times.
✗ Branch 3 not taken.
 10882 if (!sps->separate_colour_plane_flag && sps->chroma_format_idc != 0)
1466
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5441 times.
 10882 flag(slice_sao_chroma_flag);
1467 else
1468 ✗ infer(slice_sao_chroma_flag, 0);
1469 } else {
1470
1/2
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✓ Branch 1 taken 1634 times.
 6536 infer(slice_sao_luma_flag, 0);
1471
1/2
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✓ Branch 1 taken 1634 times.
 6536 infer(slice_sao_chroma_flag, 0);
1472 }
1473
1474
2/2
✓ Branch 0 taken 5341 times.
✓ Branch 1 taken 3368 times.
 17418 if (current->slice_type == HEVC_SLICE_P ||
1475
2/2
✓ Branch 0 taken 5127 times.
✓ Branch 1 taken 214 times.
 10682 current->slice_type == HEVC_SLICE_B) {
1476
1/2
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✓ Branch 2 taken 8495 times.
 16990 flag(num_ref_idx_active_override_flag);
1477
2/2
✓ Branch 0 taken 3677 times.
✓ Branch 1 taken 4818 times.
 16990 if (current->num_ref_idx_active_override_flag) {
1478
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3677 times.
 7354 ue(num_ref_idx_l0_active_minus1, 0, 14);
1479
2/2
✓ Branch 0 taken 937 times.
✓ Branch 1 taken 2740 times.
 7354 if (current->slice_type == HEVC_SLICE_B)
1480
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 937 times.
 1874 ue(num_ref_idx_l1_active_minus1, 0, 14);
1481 else
1482
1/2
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✓ Branch 1 taken 1370 times.
 5480 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1483 } else {
1484
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2123 times.
 9636 infer(num_ref_idx_l0_active_minus1, pps->num_ref_idx_l0_default_active_minus1);
1485
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2123 times.
 9636 infer(num_ref_idx_l1_active_minus1, pps->num_ref_idx_l1_default_active_minus1);
1486 }
1487
1488
4/4
✓ Branch 0 taken 1548 times.
✓ Branch 1 taken 6947 times.
✓ Branch 2 taken 1496 times.
✓ Branch 3 taken 52 times.
 16990 if (pps->lists_modification_present_flag && num_pic_total_curr > 1)
1489
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1496 times.
 2992 CHECK(FUNC(ref_pic_lists_modification)(ctx, rw, current,
1490 num_pic_total_curr));
1491
1492
2/2
✓ Branch 0 taken 5127 times.
✓ Branch 1 taken 3368 times.
 16990 if (current->slice_type == HEVC_SLICE_B)
1493
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5127 times.
 10254 flag(mvd_l1_zero_flag);
1494
2/2
✓ Branch 0 taken 5679 times.
✓ Branch 1 taken 2816 times.
 16990 if (pps->cabac_init_present_flag)
1495
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5679 times.
 11358 flag(cabac_init_flag);
1496 else
1497
1/2
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✓ Branch 1 taken 1408 times.
 5632 infer(cabac_init_flag, 0);
1498
2/2
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✓ Branch 1 taken 2636 times.
 16990 if (current->slice_temporal_mvp_enabled_flag) {
1499
2/2
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✓ Branch 1 taken 732 times.
 11718 if (current->slice_type == HEVC_SLICE_B)
1500
1/2
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✓ Branch 2 taken 5127 times.
 10254 flag(collocated_from_l0_flag);
1501 else
1502
1/2
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✓ Branch 1 taken 366 times.
 1464 infer(collocated_from_l0_flag, 1);
1503
2/2
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✓ Branch 1 taken 3130 times.
 11718 if (current->collocated_from_l0_flag) {
1504
2/2
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✓ Branch 1 taken 236 times.
 5458 if (current->num_ref_idx_l0_active_minus1 > 0)
1505
1/2
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✓ Branch 2 taken 2493 times.
 4986 ue(collocated_ref_idx, 0, current->num_ref_idx_l0_active_minus1);
1506 else
1507
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 118 times.
 472 infer(collocated_ref_idx, 0);
1508 } else {
1509
2/2
✓ Branch 0 taken 2943 times.
✓ Branch 1 taken 187 times.
 6260 if (current->num_ref_idx_l1_active_minus1 > 0)
1510
1/2
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✓ Branch 2 taken 2943 times.
 5886 ue(collocated_ref_idx, 0, current->num_ref_idx_l1_active_minus1);
1511 else
1512
1/2
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✓ Branch 1 taken 92 times.
 374 infer(collocated_ref_idx, 0);
1513 }
1514 }
1515
1516
3/4
✓ Branch 0 taken 510 times.
✓ Branch 1 taken 7985 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 510 times.
 16990 if ((pps->weighted_pred_flag && current->slice_type == HEVC_SLICE_P) ||
1517
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 7985 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 15970 (pps->weighted_bipred_flag && current->slice_type == HEVC_SLICE_B))
1518
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 510 times.
 1020 CHECK(FUNC(pred_weight_table)(ctx, rw, current));
1519
1520
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8495 times.
 16990 ue(five_minus_max_num_merge_cand, 0, 4);
1521
1/2
✗ Branch 0 not taken.
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 16990 if (sps->motion_vector_resolution_control_idc == 2)
1522 ✗ flag(use_integer_mv_flag);
1523 else
1524
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3954 times.
 16990 infer(use_integer_mv_flag, sps->motion_vector_resolution_control_idc);
1525 }
1526
1527
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8709 times.
 17418 se(slice_qp_delta,
1528 - 6 * sps->bit_depth_luma_minus8 - (pps->init_qp_minus26 + 26),
1529 + 51 - (pps->init_qp_minus26 + 26));
1530
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8709 times.
 17418 if (pps->pps_slice_chroma_qp_offsets_present_flag) {
1531 ✗ se(slice_cb_qp_offset, -12, +12);
1532 ✗ se(slice_cr_qp_offset, -12, +12);
1533 } else {
1534
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(slice_cb_qp_offset, 0);
1535
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(slice_cr_qp_offset, 0);
1536 }
1537
1/2
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✓ Branch 1 taken 8709 times.
 17418 if (pps->pps_slice_act_qp_offsets_present_flag) {
1538 ✗ se(slice_act_y_qp_offset,
1539 -12 - (pps->pps_act_y_qp_offset_plus5 - 5),
1540 +12 - (pps->pps_act_y_qp_offset_plus5 - 5));
1541 ✗ se(slice_act_cb_qp_offset,
1542 -12 - (pps->pps_act_cb_qp_offset_plus5 - 5),
1543 +12 - (pps->pps_act_cb_qp_offset_plus5 - 5));
1544 ✗ se(slice_act_cr_qp_offset,
1545 -12 - (pps->pps_act_cr_qp_offset_plus3 - 3),
1546 +12 - (pps->pps_act_cr_qp_offset_plus3 - 3));
1547 } else {
1548
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(slice_act_y_qp_offset, 0);
1549
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(slice_act_cb_qp_offset, 0);
1550
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(slice_act_cr_qp_offset, 0);
1551 }
1552
1/2
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✓ Branch 1 taken 8709 times.
 17418 if (pps->chroma_qp_offset_list_enabled_flag)
1553 ✗ flag(cu_chroma_qp_offset_enabled_flag);
1554 else
1555
1/2
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✓ Branch 1 taken 4061 times.
 17418 infer(cu_chroma_qp_offset_enabled_flag, 0);
1556
1557
2/2
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✓ Branch 1 taken 8635 times.
 17418 if (pps->deblocking_filter_override_enabled_flag)
1558
1/2
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✓ Branch 2 taken 74 times.
 148 flag(deblocking_filter_override_flag);
1559 else
1560
1/2
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✓ Branch 1 taken 4024 times.
 17270 infer(deblocking_filter_override_flag, 0);
1561
2/2
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✓ Branch 1 taken 8707 times.
 17418 if (current->deblocking_filter_override_flag) {
1562
1/2
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✓ Branch 2 taken 2 times.
 4 flag(slice_deblocking_filter_disabled_flag);
1563
1/2
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✓ Branch 1 taken 2 times.
 4 if (!current->slice_deblocking_filter_disabled_flag) {
1564 ✗ se(slice_beta_offset_div2, -6, +6);
1565 ✗ se(slice_tc_offset_div2, -6, +6);
1566 } else {
1567
1/2
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✓ Branch 1 taken 1 times.
 4 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1568
1/2
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 4 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1569 }
1570 } else {
1571
1/2
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✓ Branch 1 taken 4060 times.
 17414 infer(slice_deblocking_filter_disabled_flag,
1572 pps->pps_deblocking_filter_disabled_flag);
1573
1/2
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✓ Branch 1 taken 4060 times.
 17414 infer(slice_beta_offset_div2, pps->pps_beta_offset_div2);
1574
1/2
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✓ Branch 1 taken 4060 times.
 17414 infer(slice_tc_offset_div2, pps->pps_tc_offset_div2);
1575 }
1576
2/2
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✓ Branch 1 taken 1490 times.
 17418 if (pps->pps_loop_filter_across_slices_enabled_flag &&
1577
3/4
✓ Branch 0 taken 5211 times.
✓ Branch 1 taken 2008 times.
✓ Branch 2 taken 5211 times.
✗ Branch 3 not taken.
 14438 (current->slice_sao_luma_flag || current->slice_sao_chroma_flag ||
1578
2/2
✓ Branch 0 taken 5209 times.
✓ Branch 1 taken 2 times.
 10422 !current->slice_deblocking_filter_disabled_flag))
1579
1/2
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✓ Branch 2 taken 7217 times.
 14434 flag(slice_loop_filter_across_slices_enabled_flag);
1580 else
1581
1/2
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✓ Branch 1 taken 746 times.
 2984 infer(slice_loop_filter_across_slices_enabled_flag,
1582 pps->pps_loop_filter_across_slices_enabled_flag);
1583 }
1584
1585
4/4
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✓ Branch 1 taken 2736 times.
✓ Branch 2 taken 2365 times.
✓ Branch 3 taken 8118 times.
 26438 if (pps->tiles_enabled_flag || pps->entropy_coding_sync_enabled_flag) {
1586 unsigned int num_entry_point_offsets_limit;
1587
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)
1588 4730 num_entry_point_offsets_limit = pic_height_in_ctbs_y - 1;
1589
2/4
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✗ 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)
1590 5472 num_entry_point_offsets_limit =
1591 5472 (pps->num_tile_columns_minus1 + 1) * (pps->num_tile_rows_minus1 + 1);
1592 else
1593 ✗ num_entry_point_offsets_limit =
1594 ✗ (pps->num_tile_columns_minus1 + 1) * pic_height_in_ctbs_y - 1;
1595
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5101 times.
 10202 ue(num_entry_point_offsets, 0, num_entry_point_offsets_limit);
1596
1597
1/2
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✓ Branch 1 taken 5101 times.
 10202 if (current->num_entry_point_offsets > HEVC_MAX_ENTRY_POINT_OFFSETS) {
1598 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Too many entry points: "
1599 ✗ "%"PRIu16".\n", current->num_entry_point_offsets);
1600 ✗ return AVERROR_PATCHWELCOME;
1601 }
1602
1603
2/2
✓ Branch 0 taken 1703 times.
✓ Branch 1 taken 3398 times.
 10202 if (current->num_entry_point_offsets > 0) {
1604
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1703 times.
 3406 ue(offset_len_minus1, 0, 31);
1605
2/2
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✓ Branch 1 taken 1703 times.
 10368 for (i = 0; i < current->num_entry_point_offsets; i++)
1606
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);
1607 }
1608 }
1609
1610
2/2
✓ Branch 0 taken 2365 times.
✓ Branch 1 taken 10854 times.
 26438 if (pps->slice_segment_header_extension_present_flag) {
1611
1/2
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✓ Branch 2 taken 2365 times.
 4730 ue(slice_segment_header_extension_length, 0, 256);
1612
2/2
✓ Branch 0 taken 16835 times.
✓ Branch 1 taken 2365 times.
 38400 for (i = 0; i < current->slice_segment_header_extension_length; i++)
1613
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);
1614 }
1615
1616
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 13219 times.
 26438 CHECK(FUNC(byte_alignment)(ctx, rw));
1617
1618 26438 return 0;
1619 }
1620
1621 60 SEI_FUNC(sei_buffering_period, (CodedBitstreamContext *ctx, RWContext *rw,
1622 H265RawSEIBufferingPeriod *current,
1623 SEIMessageState *sei))
1624 {
1625 30 CodedBitstreamH265Context *h265 = ctx->priv_data;
1626 const H265RawSPS *sps;
1627 const H265RawHRDParameters *hrd;
1628 int err, i, length;
1629
1630 #ifdef READ
1631 int start_pos, end_pos;
1632 10 start_pos = get_bits_count(rw);
1633 #endif
1634
1635 30 HEADER("Buffering Period");
1636
1637
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 15 times.
 30 ue(bp_seq_parameter_set_id, 0, HEVC_MAX_SPS_COUNT - 1);
1638
1639 30 sps = h265->sps[current->bp_seq_parameter_set_id];
1640
1/2
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✓ Branch 1 taken 15 times.
 30 if (!sps) {
1641 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "SPS id %d not available.\n",
1642 ✗ current->bp_seq_parameter_set_id);
1643 ✗ return AVERROR_INVALIDDATA;
1644 }
1645 30 h265->active_sps = sps;
1646
1647
1/2
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✗ Branch 1 not taken.
 30 if (!sps->vui_parameters_present_flag ||
1648
1/2
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✓ Branch 1 taken 15 times.
 30 !sps->vui.vui_hrd_parameters_present_flag) {
1649 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1650 "HRD parameters to be present in SPS.\n");
1651 ✗ return AVERROR_INVALIDDATA;
1652 }
1653 30 hrd = &sps->vui.hrd_parameters;
1654
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 15 times.
 30 if (!hrd->nal_hrd_parameters_present_flag &&
1655 ✗ !hrd->vcl_hrd_parameters_present_flag) {
1656 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "Buffering period SEI requires "
1657 "NAL or VCL HRD parameters to be present.\n");
1658 ✗ return AVERROR_INVALIDDATA;
1659 }
1660
1661
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 9 times.
 30 if (!hrd->sub_pic_hrd_params_present_flag)
1662
1/2
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✓ Branch 2 taken 6 times.
 12 flag(irap_cpb_params_present_flag);
1663 else
1664
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
 18 infer(irap_cpb_params_present_flag, 0);
1665
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 15 times.
 30 if (current->irap_cpb_params_present_flag) {
1666 ✗ length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1667 ✗ ub(length, cpb_delay_offset);
1668 ✗ length = hrd->dpb_output_delay_length_minus1 + 1;
1669 ✗ ub(length, dpb_delay_offset);
1670 } else {
1671
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 10 times.
 30 infer(cpb_delay_offset, 0);
1672
1/2
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✓ Branch 1 taken 10 times.
 30 infer(dpb_delay_offset, 0);
1673 }
1674
1675
1/2
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✓ Branch 2 taken 15 times.
 30 flag(concatenation_flag);
1676
1677 30 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1678
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 15 times.
 30 ub(length, au_cpb_removal_delay_delta_minus1);
1679
1680
1/2
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✗ Branch 1 not taken.
 30 if (hrd->nal_hrd_parameters_present_flag) {
1681
2/2
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✓ Branch 1 taken 15 times.
 60 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1682 30 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1683
1684
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 15 times.
 30 ubs(length, nal_initial_cpb_removal_delay[i], 1, i);
1685
1/2
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✓ Branch 2 taken 15 times.
 30 ubs(length, nal_initial_cpb_removal_offset[i], 1, i);
1686
1687
2/2
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✓ Branch 1 taken 9 times.
 30 if (hrd->sub_pic_hrd_params_present_flag ||
1688
1/2
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✓ Branch 1 taken 6 times.
 12 current->irap_cpb_params_present_flag) {
1689
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
 18 ubs(length, nal_initial_alt_cpb_removal_delay[i], 1, i);
1690
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
 18 ubs(length, nal_initial_alt_cpb_removal_offset[i], 1, i);
1691 }
1692 }
1693 }
1694
1/2
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✗ Branch 1 not taken.
 30 if (hrd->vcl_hrd_parameters_present_flag) {
1695
2/2
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✓ Branch 1 taken 15 times.
 60 for (i = 0; i <= hrd->cpb_cnt_minus1[0]; i++) {
1696 30 length = hrd->initial_cpb_removal_delay_length_minus1 + 1;
1697
1698
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 15 times.
 30 ubs(length, vcl_initial_cpb_removal_delay[i], 1, i);
1699
1/2
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✓ Branch 2 taken 15 times.
 30 ubs(length, vcl_initial_cpb_removal_offset[i], 1, i);
1700
1701
2/2
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✓ Branch 1 taken 9 times.
 30 if (hrd->sub_pic_hrd_params_present_flag ||
1702
1/2
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✓ Branch 1 taken 6 times.
 12 current->irap_cpb_params_present_flag) {
1703
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
 18 ubs(length, vcl_initial_alt_cpb_removal_delay[i], 1, i);
1704
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 9 times.
 18 ubs(length, vcl_initial_alt_cpb_removal_offset[i], 1, i);
1705 }
1706 }
1707 }
1708
1709 #ifdef READ
1710 10 end_pos = get_bits_count(rw);
1711
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5 times.
 10 if (cbs_h265_payload_extension_present(rw, sei->payload_size,
1712 end_pos - start_pos))
1713 ✗ flag(use_alt_cpb_params_flag);
1714 else
1715 10 infer(use_alt_cpb_params_flag, 0);
1716 #else
1717 // If unknown extension data exists, then use_alt_cpb_params_flag is
1718 // coded in the bitstream and must be written even if it's 0.
1719
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 10 times.
 20 if (current->use_alt_cpb_params_flag || sei->extension_present) {
1720 ✗ flag(use_alt_cpb_params_flag);
1721 // Ensure this bit is not the last in the payload by making the
1722 // more_data_in_payload() check evaluate to true, so it may not
1723 // be mistaken as something else by decoders.
1724 ✗ sei->extension_present = 1;
1725 }
1726 #endif
1727
1728 30 return 0;
1729 }
1730
1731 1872 SEI_FUNC(sei_pic_timing, (CodedBitstreamContext *ctx, RWContext *rw,
1732 H265RawSEIPicTiming *current, SEIMessageState *sei))
1733 {
1734 936 CodedBitstreamH265Context *h265 = ctx->priv_data;
1735 const H265RawSPS *sps;
1736 const H265RawHRDParameters *hrd;
1737 int err, expected_source_scan_type, i, length;
1738
1739 936 HEADER("Picture Timing");
1740
1741 936 sps = h265->active_sps;
1742
1/2
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✓ Branch 1 taken 468 times.
 936 if (!sps) {
1743 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
1744 "No active SPS for pic_timing.\n");
1745 ✗ return AVERROR_INVALIDDATA;
1746 }
1747
1748 936 expected_source_scan_type = 2 -
1749 936 2 * sps->profile_tier_level.general_interlaced_source_flag -
1750 936 sps->profile_tier_level.general_progressive_source_flag;
1751
1752
2/2
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✓ Branch 1 taken 288 times.
 936 if (sps->vui.frame_field_info_present_flag) {
1753
1/2
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✓ Branch 2 taken 180 times.
 360 u(4, pic_struct, 0, 12);
1754
2/4
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✗ Branch 1 not taken.
✗ Branch 3 not taken.
✓ Branch 4 taken 180 times.
 360 u(2, source_scan_type,
1755 expected_source_scan_type >= 0 ? expected_source_scan_type : 0,
1756 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1757
1/2
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✓ Branch 2 taken 180 times.
 360 flag(duplicate_flag);
1758 } else {
1759
1/2
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✓ Branch 1 taken 192 times.
 576 infer(pic_struct, 0);
1760
2/6
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✗ Branch 1 not taken.
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✓ Branch 3 taken 192 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
 576 infer(source_scan_type,
1761 expected_source_scan_type >= 0 ? expected_source_scan_type : 2);
1762
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 192 times.
 576 infer(duplicate_flag, 0);
1763 }
1764
1765
1/2
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✗ Branch 1 not taken.
 936 if (sps->vui_parameters_present_flag &&
1766
1/2
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✗ Branch 1 not taken.
 936 sps->vui.vui_hrd_parameters_present_flag)
1767 936 hrd = &sps->vui.hrd_parameters;
1768 else
1769 ✗ hrd = NULL;
1770
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 468 times.
 936 if (hrd && (hrd->nal_hrd_parameters_present_flag ||
1771 ✗ hrd->vcl_hrd_parameters_present_flag)) {
1772 936 length = hrd->au_cpb_removal_delay_length_minus1 + 1;
1773
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 468 times.
 936 ub(length, au_cpb_removal_delay_minus1);
1774
1775 936 length = hrd->dpb_output_delay_length_minus1 + 1;
1776
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 468 times.
 936 ub(length, pic_dpb_output_delay);
1777
1778
2/2
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✓ Branch 1 taken 180 times.
 936 if (hrd->sub_pic_hrd_params_present_flag) {
1779 576 length = hrd->dpb_output_delay_du_length_minus1 + 1;
1780
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 288 times.
 576 ub(length, pic_dpb_output_du_delay);
1781 }
1782
1783
2/2
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✓ Branch 1 taken 180 times.
 936 if (hrd->sub_pic_hrd_params_present_flag &&
1784
1/2
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✗ Branch 1 not taken.
 576 hrd->sub_pic_cpb_params_in_pic_timing_sei_flag) {
1785 // Each decoding unit must contain at least one slice segment.
1786
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 288 times.
 576 ue(num_decoding_units_minus1, 0, HEVC_MAX_SLICE_SEGMENTS);
1787
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 288 times.
 576 flag(du_common_cpb_removal_delay_flag);
1788
1789 576 length = hrd->du_cpb_removal_delay_increment_length_minus1 + 1;
1790
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 288 times.
 576 if (current->du_common_cpb_removal_delay_flag)
1791 ✗ ub(length, du_common_cpb_removal_delay_increment_minus1);
1792
1793
2/2
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✓ Branch 1 taken 288 times.
 2880 for (i = 0; i <= current->num_decoding_units_minus1; i++) {
1794
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1152 times.
 2304 ues(num_nalus_in_du_minus1[i],
1795 0, HEVC_MAX_SLICE_SEGMENTS, 1, i);
1796
1/2
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✗ Branch 1 not taken.
 2304 if (!current->du_common_cpb_removal_delay_flag &&
1797
2/2
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✓ Branch 1 taken 288 times.
 2304 i < current->num_decoding_units_minus1)
1798
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 864 times.
 1728 ubs(length, du_cpb_removal_delay_increment_minus1[i], 1, i);
1799 }
1800 }
1801 }
1802
1803 936 return 0;
1804 }
1805
1806 ✗ SEI_FUNC(sei_pan_scan_rect, (CodedBitstreamContext *ctx, RWContext *rw,
1807 H265RawSEIPanScanRect *current,
1808 SEIMessageState *sei))
1809 {
1810 int err, i;
1811
1812 ✗ HEADER("Pan-Scan Rectangle");
1813
1814 ✗ ue(pan_scan_rect_id, 0, UINT32_MAX - 1);
1815 ✗ flag(pan_scan_rect_cancel_flag);
1816
1817 ✗ if (!current->pan_scan_rect_cancel_flag) {
1818 ✗ ue(pan_scan_cnt_minus1, 0, 2);
1819
1820 ✗ for (i = 0; i <= current->pan_scan_cnt_minus1; i++) {
1821 ✗ ses(pan_scan_rect_left_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1822 ✗ ses(pan_scan_rect_right_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1823 ✗ ses(pan_scan_rect_top_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1824 ✗ ses(pan_scan_rect_bottom_offset[i], INT32_MIN + 1, INT32_MAX, 1, i);
1825 }
1826
1827 ✗ flag(pan_scan_rect_persistence_flag);
1828 }
1829
1830 ✗ return 0;
1831 }
1832
1833 60 SEI_FUNC(sei_recovery_point, (CodedBitstreamContext *ctx, RWContext *rw,
1834 H265RawSEIRecoveryPoint *current,
1835 SEIMessageState *sei))
1836 {
1837 int err;
1838
1839 30 HEADER("Recovery Point");
1840
1841
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 30 se(recovery_poc_cnt, -32768, 32767);
1842
1843
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 30 flag(exact_match_flag);
1844
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 30 flag(broken_link_flag);
1845
1846 30 return 0;
1847 }
1848
1849 ✗ SEI_FUNC(film_grain_characteristics, (CodedBitstreamContext *ctx, RWContext *rw,
1850 H265RawFilmGrainCharacteristics *current,
1851 SEIMessageState *state))
1852 {
1853 ✗ CodedBitstreamH265Context *h265 = ctx->priv_data;
1854 ✗ const H265RawSPS *sps = h265->active_sps;
1855 int err, c, i, j;
1856
1857 ✗ HEADER("Film Grain Characteristics");
1858
1859 ✗ flag(film_grain_characteristics_cancel_flag);
1860 ✗ if (!current->film_grain_characteristics_cancel_flag) {
1861 int filmGrainBitDepth[3];
1862
1863 ✗ u(2, film_grain_model_id, 0, 1);
1864 ✗ flag(separate_colour_description_present_flag);
1865 ✗ if (current->separate_colour_description_present_flag) {
1866 ✗ ub(3, film_grain_bit_depth_luma_minus8);
1867 ✗ ub(3, film_grain_bit_depth_chroma_minus8);
1868 ✗ flag(film_grain_full_range_flag);
1869 ✗ ub(8, film_grain_colour_primaries);
1870 ✗ ub(8, film_grain_transfer_characteristics);
1871 ✗ ub(8, film_grain_matrix_coeffs);
1872 } else {
1873 ✗ if (!sps) {
1874 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
1875 "No active SPS for film_grain_characteristics.\n");
1876 ✗ return AVERROR_INVALIDDATA;
1877 }
1878 ✗ infer(film_grain_bit_depth_luma_minus8, sps->bit_depth_luma_minus8);
1879 ✗ infer(film_grain_bit_depth_chroma_minus8, sps->bit_depth_chroma_minus8);
1880 ✗ infer(film_grain_full_range_flag, sps->vui.video_full_range_flag);
1881 ✗ infer(film_grain_colour_primaries, sps->vui.colour_primaries);
1882 ✗ infer(film_grain_transfer_characteristics, sps->vui.transfer_characteristics);
1883 ✗ infer(film_grain_matrix_coeffs, sps->vui.matrix_coefficients);
1884 }
1885
1886 ✗ filmGrainBitDepth[0] = current->film_grain_bit_depth_luma_minus8 + 8;
1887 ✗ filmGrainBitDepth[1] =
1888 ✗ filmGrainBitDepth[2] = current->film_grain_bit_depth_chroma_minus8 + 8;
1889
1890 ✗ u(2, blending_mode_id, 0, 1);
1891 ✗ ub(4, log2_scale_factor);
1892 ✗ for (c = 0; c < 3; c++)
1893 ✗ flags(comp_model_present_flag[c], 1, c);
1894 ✗ for (c = 0; c < 3; c++) {
1895 ✗ if (current->comp_model_present_flag[c]) {
1896 ✗ ubs(8, num_intensity_intervals_minus1[c], 1, c);
1897 ✗ us(3, num_model_values_minus1[c], 0, 5, 1, c);
1898 ✗ for (i = 0; i <= current->num_intensity_intervals_minus1[c]; i++) {
1899 ✗ ubs(8, intensity_interval_lower_bound[c][i], 2, c, i);
1900 ✗ ubs(8, intensity_interval_upper_bound[c][i], 2, c, i);
1901 ✗ for (j = 0; j <= current->num_model_values_minus1[c]; j++)
1902 ✗ ses(comp_model_value[c][i][j], 0 - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
1903 ((1 << filmGrainBitDepth[c]) - 1) - current->film_grain_model_id * (1 << (filmGrainBitDepth[c] - 1)),
1904 3, c, i, j);
1905 }
1906 }
1907 }
1908 ✗ flag(film_grain_characteristics_persistence_flag);
1909 }
1910
1911 ✗ return 0;
1912 }
1913
1914 ✗ SEI_FUNC(sei_display_orientation, (CodedBitstreamContext *ctx, RWContext *rw,
1915 H265RawSEIDisplayOrientation *current,
1916 SEIMessageState *sei))
1917 {
1918 int err;
1919
1920 ✗ HEADER("Display Orientation");
1921
1922 ✗ flag(display_orientation_cancel_flag);
1923 ✗ if (!current->display_orientation_cancel_flag) {
1924 ✗ flag(hor_flip);
1925 ✗ flag(ver_flip);
1926 ✗ ub(16, anticlockwise_rotation);
1927 ✗ flag(display_orientation_persistence_flag);
1928 }
1929
1930 ✗ return 0;
1931 }
1932
1933 36 SEI_FUNC(sei_active_parameter_sets, (CodedBitstreamContext *ctx, RWContext *rw,
1934 H265RawSEIActiveParameterSets *current,
1935 SEIMessageState *sei))
1936 {
1937 18 CodedBitstreamH265Context *h265 = ctx->priv_data;
1938 const H265RawVPS *vps;
1939 int err, i;
1940
1941 18 HEADER("Active Parameter Sets");
1942
1943
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 18 u(4, active_video_parameter_set_id, 0, HEVC_MAX_VPS_COUNT);
1944 18 vps = h265->vps[current->active_video_parameter_set_id];
1945
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 18 if (!vps) {
1946 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR, "VPS id %d not available for active "
1947 ✗ "parameter sets.\n", current->active_video_parameter_set_id);
1948 ✗ return AVERROR_INVALIDDATA;
1949 }
1950 18 h265->active_vps = vps;
1951
1952
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 18 flag(self_contained_cvs_flag);
1953
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 18 flag(no_parameter_set_update_flag);
1954
1955
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 18 ue(num_sps_ids_minus1, 0, HEVC_MAX_SPS_COUNT - 1);
1956
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 36 for (i = 0; i <= current->num_sps_ids_minus1; i++)
1957
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 18 ues(active_seq_parameter_set_id[i], 0, HEVC_MAX_SPS_COUNT - 1, 1, i);
1958
1959 18 for (i = vps->vps_base_layer_internal_flag;
1960
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 18 i <= FFMIN(62, vps->vps_max_layers_minus1); i++) {
1961 ✗ ues(layer_sps_idx[i], 0, current->num_sps_ids_minus1, 1, i);
1962
1963 ✗ if (i == 0)
1964 ✗ h265->active_sps = h265->sps[current->active_seq_parameter_set_id[current->layer_sps_idx[0]]];
1965 }
1966
1967 18 return 0;
1968 }
1969
1970 17376 SEI_FUNC(sei_decoded_picture_hash, (CodedBitstreamContext *ctx, RWContext *rw,
1971 H265RawSEIDecodedPictureHash *current,
1972 SEIMessageState *sei))
1973 {
1974 8688 CodedBitstreamH265Context *h265 = ctx->priv_data;
1975 8688 const H265RawSPS *sps = h265->active_sps;
1976 int err, c, i;
1977
1978 8688 HEADER("Decoded Picture Hash");
1979
1980
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 8688 if (!sps) {
1981 ✗ av_log(ctx->log_ctx, AV_LOG_ERROR,
1982 "No active SPS for decoded picture hash.\n");
1983 ✗ return AVERROR_INVALIDDATA;
1984 }
1985
1986
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 8688 u(8, hash_type, 0, 2);
1987
1988
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 34752 for (c = 0; c < (sps->chroma_format_idc == 0 ? 1 : 3); c++) {
1989
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 26064 if (current->hash_type == 0) {
1990
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 407592 for (i = 0; i < 16; i++)
1991
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 383616 us(8, picture_md5[c][i], 0x00, 0xff, 2, c, i);
1992
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 2088 } else if (current->hash_type == 1) {
1993 ✗ us(16, picture_crc[c], 0x0000, 0xffff, 1, c);
1994
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 2088 } else if (current->hash_type == 2) {
1995
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 2088 us(32, picture_checksum[c], 0x00000000, 0xffffffff, 1, c);
1996 }
1997 }
1998
1999 8688 return 0;
2000 }
2001
2002 ✗ SEI_FUNC(sei_time_code, (CodedBitstreamContext *ctx, RWContext *rw,
2003 H265RawSEITimeCode *current, SEIMessageState *sei))
2004 {
2005 int err, i;
2006
2007 ✗ HEADER("Time Code");
2008
2009 ✗ u(2, num_clock_ts, 1, 3);
2010
2011 ✗ for (i = 0; i < current->num_clock_ts; i++) {
2012 ✗ flags(clock_timestamp_flag[i], 1, i);
2013
2014 ✗ if (current->clock_timestamp_flag[i]) {
2015 ✗ flags(units_field_based_flag[i], 1, i);
2016 ✗ us(5, counting_type[i], 0, 6, 1, i);
2017 ✗ flags(full_timestamp_flag[i], 1, i);
2018 ✗ flags(discontinuity_flag[i], 1, i);
2019 ✗ flags(cnt_dropped_flag[i], 1, i);
2020
2021 ✗ ubs(9, n_frames[i], 1, i);
2022
2023 ✗ if (current->full_timestamp_flag[i]) {
2024 ✗ us(6, seconds_value[i], 0, 59, 1, i);
2025 ✗ us(6, minutes_value[i], 0, 59, 1, i);
2026 ✗ us(5, hours_value[i], 0, 23, 1, i);
2027 } else {
2028 ✗ flags(seconds_flag[i], 1, i);
2029 ✗ if (current->seconds_flag[i]) {
2030 ✗ us(6, seconds_value[i], 0, 59, 1, i);
2031 ✗ flags(minutes_flag[i], 1, i);
2032 ✗ if (current->minutes_flag[i]) {
2033 ✗ us(6, minutes_value[i], 0, 59, 1, i);
2034 ✗ flags(hours_flag[i], 1, i);
2035 ✗ if (current->hours_flag[i])
2036 ✗ us(5, hours_value[i], 0, 23, 1, i);
2037 }
2038 }
2039 }
2040
2041 ✗ ubs(5, time_offset_length[i], 1, i);
2042 ✗ if (current->time_offset_length[i] > 0)
2043 ✗ ibs(current->time_offset_length[i], time_offset_value[i], 1, i);
2044 else
2045 ✗ infer(time_offset_value[i], 0);
2046 }
2047 }
2048
2049 ✗ return 0;
2050 }
2051
2052 ✗ SEI_FUNC(sei_alpha_channel_info, (CodedBitstreamContext *ctx, RWContext *rw,
2053 H265RawSEIAlphaChannelInfo *current,
2054 SEIMessageState *sei))
2055 {
2056 int err, length;
2057
2058 ✗ HEADER("Alpha Channel Information");
2059
2060 ✗ flag(alpha_channel_cancel_flag);
2061 ✗ if (!current->alpha_channel_cancel_flag) {
2062 ✗ ub(3, alpha_channel_use_idc);
2063 ✗ ub(3, alpha_channel_bit_depth_minus8);
2064 ✗ length = current->alpha_channel_bit_depth_minus8 + 9;
2065 ✗ ub(length, alpha_transparent_value);
2066 ✗ ub(length, alpha_opaque_value);
2067 ✗ flag(alpha_channel_incr_flag);
2068 ✗ flag(alpha_channel_clip_flag);
2069 ✗ if (current->alpha_channel_clip_flag)
2070 ✗ flag(alpha_channel_clip_type_flag);
2071 } else {
2072 ✗ infer(alpha_channel_use_idc, 2);
2073 ✗ infer(alpha_channel_incr_flag, 0);
2074 ✗ infer(alpha_channel_clip_flag, 0);
2075 }
2076
2077 ✗ return 0;
2078 }
2079
2080 3289 static int FUNC(sei)(CodedBitstreamContext *ctx, RWContext *rw,
2081 H265RawSEI *current, int prefix)
2082 {
2083 int err;
2084
2085 3289 if (prefix)
2086 338 HEADER("Prefix Supplemental Enhancement Information");
2087 else
2088 2951 HEADER("Suffix Supplemental Enhancement Information");
2089
2090 3289 CHECK(FUNC(nal_unit_header)(ctx, rw, &current->nal_unit_header,
2091 prefix ? HEVC_NAL_SEI_PREFIX
2092 : HEVC_NAL_SEI_SUFFIX));
2093
2094 3289 CHECK(FUNC_SEI(message_list)(ctx, rw, &current->message_list, prefix));
2095
2096 3289 CHECK(FUNC(rbsp_trailing_bits)(ctx, rw));
2097
2098 3289 return 0;
2099 }
2100