| 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 | #include "libavutil/intmath.h" | ||
| 20 | #include "libavutil/mem.h" | ||
| 21 | #include "libavutil/refstruct.h" | ||
| 22 | #include "bytestream.h" | ||
| 23 | #include "cbs.h" | ||
| 24 | #include "cbs_internal.h" | ||
| 25 | #include "cbs_h2645.h" | ||
| 26 | #include "cbs_h266.h" | ||
| 27 | #include "cbs_sei.h" | ||
| 28 | #include "get_bits.h" | ||
| 29 | |||
| 30 | #define HEADER(name) do { \ | ||
| 31 | ff_cbs_trace_header(ctx, name); \ | ||
| 32 | } while (0) | ||
| 33 | |||
| 34 | #define CHECK(call) do { \ | ||
| 35 | err = (call); \ | ||
| 36 | if (err < 0) \ | ||
| 37 | return err; \ | ||
| 38 | } while (0) | ||
| 39 | |||
| 40 | #define FUNC_NAME2(rw, codec, name) cbs_ ## codec ## _ ## rw ## _ ## name | ||
| 41 | #define FUNC_NAME1(rw, codec, name) FUNC_NAME2(rw, codec, name) | ||
| 42 | #define FUNC_H266(name) FUNC_NAME1(READWRITE, h266, name) | ||
| 43 | #define FUNC_NAME2_EXPORT(rw, codec, name) ff_cbs_ ## codec ## _ ## rw ## _ ## name | ||
| 44 | #define FUNC_NAME1_EXPORT(rw, codec, name) FUNC_NAME2_EXPORT(rw, codec, name) | ||
| 45 | #define FUNC_SEI(name) FUNC_NAME1_EXPORT(READWRITE, sei, name) | ||
| 46 | |||
| 47 | #define SEI_FUNC(name, args) \ | ||
| 48 | static int FUNC_H266(name) args; \ | ||
| 49 | static int FUNC_H266(name ## _internal)(CodedBitstreamContext *ctx, \ | ||
| 50 | RWContext *rw, void *cur, \ | ||
| 51 | SEIMessageState *state) \ | ||
| 52 | { \ | ||
| 53 | return FUNC_H266(name)(ctx, rw, cur, state); \ | ||
| 54 | } \ | ||
| 55 | static int FUNC_H266(name) args | ||
| 56 | |||
| 57 | #define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL) | ||
| 58 | |||
| 59 | #define u(width, name, range_min, range_max) \ | ||
| 60 | xu(width, name, current->name, range_min, range_max, 0, ) | ||
| 61 | #define flag(name) ub(1, name) | ||
| 62 | #define ue(name, range_min, range_max) \ | ||
| 63 | xue(name, current->name, range_min, range_max, 0, ) | ||
| 64 | #define i(width, name, range_min, range_max) \ | ||
| 65 | xi(width, name, current->name, range_min, range_max, 0, ) | ||
| 66 | #define ib(width, name) \ | ||
| 67 | xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0, ) | ||
| 68 | #define se(name, range_min, range_max) \ | ||
| 69 | xse(name, current->name, range_min, range_max, 0, ) | ||
| 70 | |||
| 71 | #define us(width, name, range_min, range_max, subs, ...) \ | ||
| 72 | xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__) | ||
| 73 | #define ubs(width, name, subs, ...) \ | ||
| 74 | xu(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__) | ||
| 75 | #define flags(name, subs, ...) \ | ||
| 76 | xu(1, name, current->name, 0, 1, subs, __VA_ARGS__) | ||
| 77 | #define ues(name, range_min, range_max, subs, ...) \ | ||
| 78 | xue(name, current->name, range_min, range_max, subs, __VA_ARGS__) | ||
| 79 | #define is(width, name, range_min, range_max, subs, ...) \ | ||
| 80 | xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__) | ||
| 81 | #define ibs(width, name, subs, ...) \ | ||
| 82 | xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), subs, __VA_ARGS__) | ||
| 83 | #define ses(name, range_min, range_max, subs, ...) \ | ||
| 84 | xse(name, current->name, range_min, range_max, subs, __VA_ARGS__) | ||
| 85 | |||
| 86 | #define fixed(width, name, value) do { \ | ||
| 87 | av_unused uint32_t fixed_value = value; \ | ||
| 88 | xu(width, name, fixed_value, value, value, 0, ); \ | ||
| 89 | } while (0) | ||
| 90 | |||
| 91 | |||
| 92 | #define READ | ||
| 93 | #define READWRITE read | ||
| 94 | #define RWContext GetBitContext | ||
| 95 | |||
| 96 | #define ub(width, name) do { \ | ||
| 97 | uint32_t value; \ | ||
| 98 | CHECK(ff_cbs_read_simple_unsigned(ctx, rw, width, #name, \ | ||
| 99 | &value)); \ | ||
| 100 | current->name = value; \ | ||
| 101 | } while (0) | ||
| 102 | #define xu(width, name, var, range_min, range_max, subs, ...) do { \ | ||
| 103 | uint32_t value; \ | ||
| 104 | CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \ | ||
| 105 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 106 | &value, range_min, range_max)); \ | ||
| 107 | var = value; \ | ||
| 108 | } while (0) | ||
| 109 | #define xue(name, var, range_min, range_max, subs, ...) do { \ | ||
| 110 | uint32_t value; \ | ||
| 111 | CHECK(ff_cbs_read_ue_golomb(ctx, rw, #name, \ | ||
| 112 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 113 | &value, range_min, range_max)); \ | ||
| 114 | var = value; \ | ||
| 115 | } while (0) | ||
| 116 | #define xi(width, name, var, range_min, range_max, subs, ...) do { \ | ||
| 117 | int32_t value; \ | ||
| 118 | CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \ | ||
| 119 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 120 | &value, range_min, range_max)); \ | ||
| 121 | var = value; \ | ||
| 122 | } while (0) | ||
| 123 | #define xse(name, var, range_min, range_max, subs, ...) do { \ | ||
| 124 | int32_t value; \ | ||
| 125 | CHECK(ff_cbs_read_se_golomb(ctx, rw, #name, \ | ||
| 126 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 127 | &value, range_min, range_max)); \ | ||
| 128 | var = value; \ | ||
| 129 | } while (0) | ||
| 130 | |||
| 131 | |||
| 132 | #define infer(name, value) do { \ | ||
| 133 | current->name = value; \ | ||
| 134 | } while (0) | ||
| 135 | |||
| 136 | #define more_rbsp_data(var) ((var) = ff_cbs_h2645_read_more_rbsp_data(rw)) | ||
| 137 | |||
| 138 | #define bit_position(rw) (get_bits_count(rw)) | ||
| 139 | #define byte_alignment(rw) (get_bits_count(rw) % 8) | ||
| 140 | |||
| 141 | #define allocate(name, size) do { \ | ||
| 142 | name ## _ref = av_buffer_allocz(size + \ | ||
| 143 | AV_INPUT_BUFFER_PADDING_SIZE); \ | ||
| 144 | if (!name ## _ref) \ | ||
| 145 | return AVERROR(ENOMEM); \ | ||
| 146 | name = name ## _ref->data; \ | ||
| 147 | } while (0) | ||
| 148 | |||
| 149 | #define FUNC(name) FUNC_H266(name) | ||
| 150 | #include "cbs_h266_syntax_template.c" | ||
| 151 | #undef FUNC | ||
| 152 | |||
| 153 | |||
| 154 | #undef READ | ||
| 155 | #undef READWRITE | ||
| 156 | #undef RWContext | ||
| 157 | #undef ub | ||
| 158 | #undef xu | ||
| 159 | #undef xi | ||
| 160 | #undef xue | ||
| 161 | #undef xse | ||
| 162 | #undef infer | ||
| 163 | #undef more_rbsp_data | ||
| 164 | #undef bit_position | ||
| 165 | #undef byte_alignment | ||
| 166 | #undef allocate | ||
| 167 | #undef allocate_struct | ||
| 168 | |||
| 169 | |||
| 170 | #define WRITE | ||
| 171 | #define READWRITE write | ||
| 172 | #define RWContext PutBitContext | ||
| 173 | |||
| 174 | #define ub(width, name) do { \ | ||
| 175 | uint32_t value = current->name; \ | ||
| 176 | CHECK(ff_cbs_write_simple_unsigned(ctx, rw, width, #name, \ | ||
| 177 | value)); \ | ||
| 178 | } while (0) | ||
| 179 | #define xu(width, name, var, range_min, range_max, subs, ...) do { \ | ||
| 180 | uint32_t value = var; \ | ||
| 181 | CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \ | ||
| 182 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 183 | value, range_min, range_max)); \ | ||
| 184 | } while (0) | ||
| 185 | #define xue(name, var, range_min, range_max, subs, ...) do { \ | ||
| 186 | uint32_t value = var; \ | ||
| 187 | CHECK(ff_cbs_write_ue_golomb(ctx, rw, #name, \ | ||
| 188 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 189 | value, range_min, range_max)); \ | ||
| 190 | } while (0) | ||
| 191 | #define xi(width, name, var, range_min, range_max, subs, ...) do { \ | ||
| 192 | int32_t value = var; \ | ||
| 193 | CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \ | ||
| 194 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 195 | value, range_min, range_max)); \ | ||
| 196 | } while (0) | ||
| 197 | #define xse(name, var, range_min, range_max, subs, ...) do { \ | ||
| 198 | int32_t value = var; \ | ||
| 199 | CHECK(ff_cbs_write_se_golomb(ctx, rw, #name, \ | ||
| 200 | SUBSCRIPTS(subs, __VA_ARGS__), \ | ||
| 201 | value, range_min, range_max)); \ | ||
| 202 | } while (0) | ||
| 203 | |||
| 204 | #define infer(name, value) do { \ | ||
| 205 | if (current->name != (value)) { \ | ||
| 206 | av_log(ctx->log_ctx, AV_LOG_ERROR, \ | ||
| 207 | "%s does not match inferred value: " \ | ||
| 208 | "%"PRId64", but should be %"PRId64".\n", \ | ||
| 209 | #name, (int64_t)current->name, (int64_t)(value)); \ | ||
| 210 | return AVERROR_INVALIDDATA; \ | ||
| 211 | } \ | ||
| 212 | } while (0) | ||
| 213 | |||
| 214 | #define more_rbsp_data(var) (var) | ||
| 215 | |||
| 216 | #define bit_position(rw) (put_bits_count(rw)) | ||
| 217 | #define byte_alignment(rw) (put_bits_count(rw) % 8) | ||
| 218 | |||
| 219 | #define allocate(name, size) do { \ | ||
| 220 | if (!name) { \ | ||
| 221 | av_log(ctx->log_ctx, AV_LOG_ERROR, "%s must be set " \ | ||
| 222 | "for writing.\n", #name); \ | ||
| 223 | return AVERROR_INVALIDDATA; \ | ||
| 224 | } \ | ||
| 225 | } while (0) | ||
| 226 | |||
| 227 | #define FUNC(name) FUNC_H266(name) | ||
| 228 | #include "cbs_h266_syntax_template.c" | ||
| 229 | #undef FUNC | ||
| 230 | |||
| 231 | #undef WRITE | ||
| 232 | #undef READWRITE | ||
| 233 | #undef RWContext | ||
| 234 | #undef ub | ||
| 235 | #undef xu | ||
| 236 | #undef xi | ||
| 237 | #undef xue | ||
| 238 | #undef xse | ||
| 239 | #undef u | ||
| 240 | #undef i | ||
| 241 | #undef flag | ||
| 242 | #undef ue | ||
| 243 | #undef se | ||
| 244 | #undef infer | ||
| 245 | #undef more_rbsp_data | ||
| 246 | #undef bit_position | ||
| 247 | #undef byte_alignment | ||
| 248 | #undef allocate | ||
| 249 | |||
| 250 | |||
| 251 | |||
| 252 | 6511 | static int cbs_h266_split_fragment(CodedBitstreamContext *ctx, | |
| 253 | CodedBitstreamFragment *frag, | ||
| 254 | int header) | ||
| 255 | { | ||
| 256 | 6511 | enum AVCodecID codec_id = ctx->codec->codec_id; | |
| 257 | 6511 | CodedBitstreamH266Context *priv = ctx->priv_data; | |
| 258 | 6511 | CodedBitstreamH2645Context *h2645 = &priv->common; | |
| 259 | GetByteContext gbc; | ||
| 260 | int err; | ||
| 261 | |||
| 262 |
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6511 | av_assert0(frag->data && frag->nb_units == 0); |
| 263 |
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6511 | if (frag->data_size == 0) |
| 264 | ✗ | return 0; | |
| 265 | |||
| 266 |
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6516 | if(header && frag->data[0]) { |
| 267 | // VVCC header. | ||
| 268 | int ptl_present_flag, num_arrays; | ||
| 269 | int b, i, j; | ||
| 270 | |||
| 271 | 5 | h2645->mp4 = 1; | |
| 272 | |||
| 273 | 5 | bytestream2_init(&gbc, frag->data, frag->data_size); | |
| 274 | |||
| 275 | 5 | b = bytestream2_get_byte(&gbc); | |
| 276 | 5 | h2645->nal_length_size = ((b >> 1) & 3) + 1; | |
| 277 | 5 | ptl_present_flag = b & 1; | |
| 278 | |||
| 279 |
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5 | if(ptl_present_flag) { |
| 280 | int num_sublayers, num_bytes_constraint_info, num_sub_profiles; | ||
| 281 | 5 | num_sublayers = (bytestream2_get_be16u(&gbc) >> 4) & 7; | |
| 282 | 5 | bytestream2_skip(&gbc, 1); | |
| 283 | |||
| 284 | // begin VvcPTLRecord(num_sublayers); | ||
| 285 | 5 | num_bytes_constraint_info = bytestream2_get_byte(&gbc) & 0x3f; | |
| 286 | 5 | bytestream2_skip(&gbc, 2 + num_bytes_constraint_info); | |
| 287 |
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5 | if(num_sublayers > 1) { |
| 288 | 2 | int count_present_flags = 0; | |
| 289 | 2 | b = bytestream2_get_byte(&gbc); | |
| 290 |
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10 | for(i = num_sublayers - 2; i >= 0; i--) { |
| 291 |
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8 | if((b >> (7 - (num_sublayers - 2 - i))) & 0x01) |
| 292 | ✗ | count_present_flags++; | |
| 293 | } | ||
| 294 | 2 | bytestream2_skip(&gbc, count_present_flags); | |
| 295 | } | ||
| 296 | 5 | num_sub_profiles = bytestream2_get_byte(&gbc); | |
| 297 | 5 | bytestream2_skip(&gbc, num_sub_profiles * 4); | |
| 298 | // end VvcPTLRecord(num_sublayers); | ||
| 299 | |||
| 300 | 5 | bytestream2_skip(&gbc, 3 * 2); | |
| 301 | } | ||
| 302 | |||
| 303 | 5 | num_arrays = bytestream2_get_byte(&gbc); | |
| 304 |
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18 | for(j = 0; j < num_arrays; j++) { |
| 305 | size_t start, end, size; | ||
| 306 | 13 | int nal_unit_type = bytestream2_get_byte(&gbc) & 0x1f; | |
| 307 | 13 | unsigned int num_nalus = 1; | |
| 308 |
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13 | if(nal_unit_type != VVC_DCI_NUT && nal_unit_type != VVC_OPI_NUT) |
| 309 | 13 | num_nalus = bytestream2_get_be16(&gbc); | |
| 310 | |||
| 311 | 13 | start = bytestream2_tell(&gbc); | |
| 312 |
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26 | for(i = 0; i < num_nalus; i++) { |
| 313 |
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13 | if (bytestream2_get_bytes_left(&gbc) < 2) |
| 314 | ✗ | return AVERROR_INVALIDDATA; | |
| 315 | 13 | size = bytestream2_get_be16(&gbc); | |
| 316 |
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13 | if (bytestream2_get_bytes_left(&gbc) < size) |
| 317 | ✗ | return AVERROR_INVALIDDATA; | |
| 318 | 13 | bytestream2_skip(&gbc, size); | |
| 319 | } | ||
| 320 | 13 | end = bytestream2_tell(&gbc); | |
| 321 | |||
| 322 | 13 | err = ff_h2645_packet_split(&h2645->read_packet, | |
| 323 | 13 | frag->data + start, end - start, | |
| 324 | ctx->log_ctx, 2, AV_CODEC_ID_VVC, | ||
| 325 | H2645_FLAG_IS_NALFF | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF); | ||
| 326 |
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13 | if (err < 0) { |
| 327 | ✗ | av_log(ctx->log_ctx, AV_LOG_ERROR, "Failed to split " | |
| 328 | "VVCC array %d (%d NAL units of type %d).\n", | ||
| 329 | i, num_nalus, nal_unit_type); | ||
| 330 | ✗ | return err; | |
| 331 | } | ||
| 332 | 13 | err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet); | |
| 333 |
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13 | if (err < 0) |
| 334 | ✗ | return err; | |
| 335 | } | ||
| 336 | } else { | ||
| 337 |
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6506 | int flags = (H2645_FLAG_IS_NALFF * !!h2645->mp4) | H2645_FLAG_SMALL_PADDING | H2645_FLAG_USE_REF; |
| 338 | // Annex B, or later MP4 with already-known parameters. | ||
| 339 | |||
| 340 | 6506 | err = ff_h2645_packet_split(&h2645->read_packet, | |
| 341 | 6506 | frag->data, frag->data_size, | |
| 342 | ctx->log_ctx, | ||
| 343 | h2645->nal_length_size, | ||
| 344 | codec_id, flags); | ||
| 345 |
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6506 | if (err < 0) |
| 346 | ✗ | return err; | |
| 347 | |||
| 348 | 6506 | err = ff_cbs_h2645_fragment_add_nals(ctx, frag, &h2645->read_packet); | |
| 349 |
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6506 | if (err < 0) |
| 350 | ✗ | return err; | |
| 351 | } | ||
| 352 | |||
| 353 | 6511 | return 0; | |
| 354 | } | ||
| 355 | |||
| 356 | #define cbs_h266_replace_ps(ps_name, ps_var, id_element) \ | ||
| 357 | static int cbs_h266_replace_ ## ps_var(CodedBitstreamContext *ctx, \ | ||
| 358 | CodedBitstreamUnit *unit) \ | ||
| 359 | { \ | ||
| 360 | CodedBitstreamH266Context *priv = ctx->priv_data; \ | ||
| 361 | H266Raw ## ps_name *ps_var = unit->content; \ | ||
| 362 | unsigned int id = ps_var->id_element; \ | ||
| 363 | int err = ff_cbs_make_unit_refcounted(ctx, unit); \ | ||
| 364 | if (err < 0) \ | ||
| 365 | return err; \ | ||
| 366 | av_assert0(unit->content_ref); \ | ||
| 367 | av_refstruct_replace(&priv->ps_var[id], unit->content_ref); \ | ||
| 368 | return 0; \ | ||
| 369 | } | ||
| 370 | |||
| 371 |
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26 | cbs_h266_replace_ps(VPS, vps, vps_video_parameter_set_id) |
| 372 |
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1905 | cbs_h266_replace_ps(PPS, pps, pps_pic_parameter_set_id) |
| 373 | |||
| 374 | 1274 | static int cbs_h266_replace_sps(CodedBitstreamContext *ctx, | |
| 375 | CodedBitstreamUnit *unit) | ||
| 376 | { | ||
| 377 | 1274 | CodedBitstreamH266Context *priv = ctx->priv_data; | |
| 378 | 1274 | H266RawSPS *sps = unit->content; | |
| 379 | 1274 | unsigned int id = sps->sps_seq_parameter_set_id; | |
| 380 | 1274 | int err = ff_cbs_make_unit_refcounted(ctx, unit); | |
| 381 |
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1274 | if (err < 0) |
| 382 | ✗ | return err; | |
| 383 |
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1274 | av_assert0(unit->content_ref); |
| 384 |
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1274 | if (priv->sps[id] && memcmp(priv->sps[id], unit->content_ref, sizeof(*priv->sps[id]))) { |
| 385 |
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51090 | for (unsigned int i = 0; i < VVC_MAX_PPS_COUNT; i++) { |
| 386 |
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50304 | if (priv->pps[i] && priv->pps[i]->pps_seq_parameter_set_id == id) |
| 387 | 786 | av_refstruct_unref(&priv->pps[i]); | |
| 388 | } | ||
| 389 | } | ||
| 390 | 1274 | av_refstruct_replace(&priv->sps[id], unit->content_ref); | |
| 391 | 1274 | return 0; | |
| 392 | } | ||
| 393 | |||
| 394 | 8550 | static int cbs_h266_replace_ph(CodedBitstreamContext *ctx, | |
| 395 | CodedBitstreamUnit *unit, | ||
| 396 | H266RawPictureHeader *ph) | ||
| 397 | { | ||
| 398 | 8550 | CodedBitstreamH266Context *h266 = ctx->priv_data; | |
| 399 | int err; | ||
| 400 | |||
| 401 | 8550 | err = ff_cbs_make_unit_refcounted(ctx, unit); | |
| 402 |
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8550 | if (err < 0) |
| 403 | ✗ | return err; | |
| 404 |
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8550 | av_assert0(unit->content_ref); |
| 405 | 8550 | av_refstruct_replace(&h266->ph_ref, unit->content_ref); | |
| 406 | 8550 | h266->ph = ph; | |
| 407 | 8550 | return 0; | |
| 408 | } | ||
| 409 | |||
| 410 | 15524 | static int cbs_h266_read_nal_unit(CodedBitstreamContext *ctx, | |
| 411 | CodedBitstreamUnit *unit) | ||
| 412 | { | ||
| 413 | GetBitContext gbc; | ||
| 414 | int err; | ||
| 415 | 15524 | CodedBitstreamH266Context *h266 = ctx->priv_data; | |
| 416 | |||
| 417 | 15524 | err = init_get_bits8(&gbc, unit->data, unit->data_size); | |
| 418 |
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15524 | if (err < 0) |
| 419 | ✗ | return err; | |
| 420 | |||
| 421 | 15524 | err = ff_cbs_alloc_unit_content(ctx, unit); | |
| 422 |
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15524 | if (err < 0) |
| 423 | ✗ | return err; | |
| 424 | |||
| 425 |
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15524 | switch (unit->type) { |
| 426 | 4 | case VVC_DCI_NUT: | |
| 427 | { | ||
| 428 | 4 | err = cbs_h266_read_dci(ctx, &gbc, unit->content); | |
| 429 | |||
| 430 |
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|
4 | if (err < 0) |
| 431 | ✗ | return err; | |
| 432 | } | ||
| 433 | 4 | break; | |
| 434 | 2 | case VVC_OPI_NUT: | |
| 435 | { | ||
| 436 | 2 | err = cbs_h266_read_opi(ctx, &gbc, unit->content); | |
| 437 | |||
| 438 |
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2 | if (err < 0) |
| 439 | ✗ | return err; | |
| 440 | } | ||
| 441 | 2 | break; | |
| 442 | 22 | case VVC_VPS_NUT: | |
| 443 | { | ||
| 444 | 22 | H266RawVPS *vps = unit->content; | |
| 445 | |||
| 446 | 22 | err = cbs_h266_read_vps(ctx, &gbc, vps); | |
| 447 |
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22 | if (err < 0) |
| 448 | ✗ | return err; | |
| 449 | |||
| 450 | 22 | err = cbs_h266_replace_vps(ctx, unit); | |
| 451 |
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22 | if (err < 0) |
| 452 | ✗ | return err; | |
| 453 | } | ||
| 454 | 22 | break; | |
| 455 | 939 | case VVC_SPS_NUT: | |
| 456 | { | ||
| 457 | 939 | H266RawSPS *sps = unit->content; | |
| 458 | |||
| 459 | 939 | err = cbs_h266_read_sps(ctx, &gbc, sps); | |
| 460 |
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939 | if (err < 0) |
| 461 | ✗ | return err; | |
| 462 | |||
| 463 | 939 | err = cbs_h266_replace_sps(ctx, unit); | |
| 464 |
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939 | if (err < 0) |
| 465 | ✗ | return err; | |
| 466 | } | ||
| 467 | 939 | break; | |
| 468 | |||
| 469 | 1514 | case VVC_PPS_NUT: | |
| 470 | { | ||
| 471 | 1514 | H266RawPPS *pps = unit->content; | |
| 472 | |||
| 473 | 1514 | err = cbs_h266_read_pps(ctx, &gbc, pps); | |
| 474 |
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1514 | if (err < 0) |
| 475 | ✗ | return err; | |
| 476 | |||
| 477 | 1514 | err = cbs_h266_replace_pps(ctx, unit); | |
| 478 |
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1514 | if (err < 0) |
| 479 | ✗ | return err; | |
| 480 | } | ||
| 481 | 1514 | break; | |
| 482 | |||
| 483 | 659 | case VVC_PREFIX_APS_NUT: | |
| 484 | case VVC_SUFFIX_APS_NUT: | ||
| 485 | { | ||
| 486 | 659 | err = cbs_h266_read_aps(ctx, &gbc, unit->content, | |
| 487 | 659 | unit->type == VVC_PREFIX_APS_NUT); | |
| 488 | |||
| 489 |
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|
659 | if (err < 0) |
| 490 | ✗ | return err; | |
| 491 | } | ||
| 492 | 659 | break; | |
| 493 | 218 | case VVC_PH_NUT: | |
| 494 | { | ||
| 495 | 218 | H266RawPH *ph = unit->content; | |
| 496 | 218 | err = cbs_h266_read_ph(ctx, &gbc, ph); | |
| 497 |
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218 | if (err < 0) |
| 498 | ✗ | return err; | |
| 499 | 218 | err = cbs_h266_replace_ph(ctx, unit, &ph->ph_picture_header); | |
| 500 |
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218 | if (err < 0) |
| 501 | ✗ | return err; | |
| 502 | } | ||
| 503 | 218 | break; | |
| 504 | |||
| 505 | 8823 | case VVC_TRAIL_NUT: | |
| 506 | case VVC_STSA_NUT: | ||
| 507 | case VVC_RADL_NUT: | ||
| 508 | case VVC_RASL_NUT: | ||
| 509 | case VVC_IDR_W_RADL: | ||
| 510 | case VVC_IDR_N_LP: | ||
| 511 | case VVC_CRA_NUT: | ||
| 512 | case VVC_GDR_NUT: | ||
| 513 | { | ||
| 514 | 8823 | H266RawSlice *slice = unit->content; | |
| 515 | int pos, len; | ||
| 516 | |||
| 517 | 8823 | err = cbs_h266_read_slice_header(ctx, &gbc, &slice->header); | |
| 518 |
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8823 | if (err < 0) |
| 519 | ✗ | return err; | |
| 520 | |||
| 521 |
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|
8823 | if (!ff_cbs_h2645_read_more_rbsp_data(&gbc)) |
| 522 | ✗ | return AVERROR_INVALIDDATA; | |
| 523 | |||
| 524 | 8823 | pos = get_bits_count(&gbc); | |
| 525 | 8823 | len = unit->data_size; | |
| 526 | |||
| 527 |
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8823 | if (slice->header.sh_picture_header_in_slice_header_flag) { |
| 528 | 6202 | err = cbs_h266_replace_ph(ctx, unit, &slice->header.sh_picture_header); | |
| 529 |
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|
6202 | if (err < 0) |
| 530 | ✗ | return err; | |
| 531 | 6202 | slice->ph_ref = NULL; | |
| 532 | } else { | ||
| 533 | 2621 | slice->ph_ref = av_refstruct_ref(h266->ph_ref); | |
| 534 | } | ||
| 535 | 8823 | slice->ph = h266->ph; | |
| 536 | 8823 | slice->pps = av_refstruct_ref(h266->pps[slice->ph->ph_pic_parameter_set_id]); | |
| 537 | 8823 | slice->sps = av_refstruct_ref(h266->sps[slice->pps->pps_seq_parameter_set_id]); | |
| 538 | |||
| 539 | 8823 | slice->header_size = pos / 8; | |
| 540 | 8823 | slice->data_size = len - pos / 8; | |
| 541 | 8823 | slice->data_ref = av_buffer_ref(unit->data_ref); | |
| 542 |
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|
8823 | if (!slice->data_ref) |
| 543 | ✗ | return AVERROR(ENOMEM); | |
| 544 | 8823 | slice->data = unit->data + pos / 8; | |
| 545 | 8823 | slice->data_bit_start = pos % 8; | |
| 546 | } | ||
| 547 | 8823 | break; | |
| 548 | |||
| 549 | 53 | case VVC_AUD_NUT: | |
| 550 | { | ||
| 551 | 53 | err = cbs_h266_read_aud(ctx, &gbc, unit->content); | |
| 552 |
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53 | if (err < 0) |
| 553 | ✗ | return err; | |
| 554 | } | ||
| 555 | 53 | break; | |
| 556 | |||
| 557 | 3290 | case VVC_PREFIX_SEI_NUT: | |
| 558 | case VVC_SUFFIX_SEI_NUT: | ||
| 559 | { | ||
| 560 | 3290 | err = cbs_h266_read_sei(ctx, &gbc, unit->content, | |
| 561 | 3290 | unit->type == VVC_PREFIX_SEI_NUT); | |
| 562 | |||
| 563 |
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3290 | if (err < 0) |
| 564 | ✗ | return err; | |
| 565 | } | ||
| 566 | 3290 | break; | |
| 567 | |||
| 568 | ✗ | default: | |
| 569 | ✗ | return AVERROR(ENOSYS); | |
| 570 | } | ||
| 571 | 15524 | return 0; | |
| 572 | } | ||
| 573 | |||
| 574 | 5777 | static int cbs_h266_write_nal_unit(CodedBitstreamContext *ctx, | |
| 575 | CodedBitstreamUnit *unit, | ||
| 576 | PutBitContext *pbc) | ||
| 577 | { | ||
| 578 | int err; | ||
| 579 | |||
| 580 |
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5777 | switch (unit->type) { |
| 581 | 1 | case VVC_DCI_NUT: | |
| 582 | { | ||
| 583 | 1 | H266RawDCI *dci = unit->content; | |
| 584 | |||
| 585 | 1 | err = cbs_h266_write_dci(ctx, pbc, dci); | |
| 586 |
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1 | if (err < 0) |
| 587 | ✗ | return err; | |
| 588 | } | ||
| 589 | 1 | break; | |
| 590 | 1 | case VVC_OPI_NUT: | |
| 591 | { | ||
| 592 | 1 | H266RawOPI *opi = unit->content; | |
| 593 | |||
| 594 | 1 | err = cbs_h266_write_opi(ctx, pbc, opi); | |
| 595 |
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1 | if (err < 0) |
| 596 | ✗ | return err; | |
| 597 | } | ||
| 598 | 1 | break; | |
| 599 | 4 | case VVC_VPS_NUT: | |
| 600 | { | ||
| 601 | 4 | H266RawVPS *vps = unit->content; | |
| 602 | |||
| 603 | 4 | err = cbs_h266_write_vps(ctx, pbc, vps); | |
| 604 |
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4 | if (err < 0) |
| 605 | ✗ | return err; | |
| 606 | |||
| 607 | 4 | err = cbs_h266_replace_vps(ctx, unit); | |
| 608 |
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4 | if (err < 0) |
| 609 | ✗ | return err; | |
| 610 | } | ||
| 611 | 4 | break; | |
| 612 | 335 | case VVC_SPS_NUT: | |
| 613 | { | ||
| 614 | 335 | H266RawSPS *sps = unit->content; | |
| 615 | |||
| 616 | 335 | err = cbs_h266_write_sps(ctx, pbc, sps); | |
| 617 |
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335 | if (err < 0) |
| 618 | ✗ | return err; | |
| 619 | |||
| 620 | 335 | err = cbs_h266_replace_sps(ctx, unit); | |
| 621 |
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|
335 | if (err < 0) |
| 622 | ✗ | return err; | |
| 623 | } | ||
| 624 | 335 | break; | |
| 625 | |||
| 626 | 391 | case VVC_PPS_NUT: | |
| 627 | { | ||
| 628 | 391 | H266RawPPS *pps = unit->content; | |
| 629 | |||
| 630 | 391 | err = cbs_h266_write_pps(ctx, pbc, pps); | |
| 631 |
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391 | if (err < 0) |
| 632 | ✗ | return err; | |
| 633 | |||
| 634 | 391 | err = cbs_h266_replace_pps(ctx, unit); | |
| 635 |
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|
391 | if (err < 0) |
| 636 | ✗ | return err; | |
| 637 | } | ||
| 638 | 391 | break; | |
| 639 | |||
| 640 | 228 | case VVC_PREFIX_APS_NUT: | |
| 641 | case VVC_SUFFIX_APS_NUT: | ||
| 642 | { | ||
| 643 | 228 | err = cbs_h266_write_aps(ctx, pbc, unit->content, | |
| 644 | 228 | unit->type == VVC_PREFIX_APS_NUT); | |
| 645 |
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228 | if (err < 0) |
| 646 | ✗ | return err; | |
| 647 | } | ||
| 648 | 228 | break; | |
| 649 | 27 | case VVC_PH_NUT: | |
| 650 | { | ||
| 651 | 27 | H266RawPH *ph = unit->content; | |
| 652 | 27 | err = cbs_h266_write_ph(ctx, pbc, ph); | |
| 653 |
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27 | if (err < 0) |
| 654 | ✗ | return err; | |
| 655 | |||
| 656 | 27 | err = cbs_h266_replace_ph(ctx, unit, &ph->ph_picture_header); | |
| 657 |
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27 | if (err < 0) |
| 658 | ✗ | return err; | |
| 659 | } | ||
| 660 | 27 | break; | |
| 661 | |||
| 662 | 2588 | case VVC_TRAIL_NUT: | |
| 663 | case VVC_STSA_NUT: | ||
| 664 | case VVC_RADL_NUT: | ||
| 665 | case VVC_RASL_NUT: | ||
| 666 | case VVC_IDR_W_RADL: | ||
| 667 | case VVC_IDR_N_LP: | ||
| 668 | case VVC_CRA_NUT: | ||
| 669 | case VVC_GDR_NUT: | ||
| 670 | { | ||
| 671 | 2588 | H266RawSlice *slice = unit->content; | |
| 672 | |||
| 673 | 2588 | err = cbs_h266_write_slice_header(ctx, pbc, &slice->header); | |
| 674 |
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2588 | if (err < 0) |
| 675 | ✗ | return err; | |
| 676 | |||
| 677 |
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2588 | if (slice->header.sh_picture_header_in_slice_header_flag) { |
| 678 | 2103 | err = cbs_h266_replace_ph(ctx, unit, &slice->header.sh_picture_header); | |
| 679 |
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2103 | if (err < 0) |
| 680 | ✗ | return err; | |
| 681 | } | ||
| 682 | |||
| 683 |
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2588 | if (slice->data) { |
| 684 | 2588 | err = ff_cbs_h2645_write_slice_data(ctx, pbc, slice->data, | |
| 685 | slice->data_size, | ||
| 686 | slice->data_bit_start); | ||
| 687 |
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2588 | if (err < 0) |
| 688 | ✗ | return err; | |
| 689 | } else { | ||
| 690 | // No slice data - that was just the header. | ||
| 691 | } | ||
| 692 | } | ||
| 693 | 2588 | break; | |
| 694 | |||
| 695 | 12 | case VVC_AUD_NUT: | |
| 696 | { | ||
| 697 | 12 | err = cbs_h266_write_aud(ctx, pbc, unit->content); | |
| 698 |
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12 | if (err < 0) |
| 699 | ✗ | return err; | |
| 700 | } | ||
| 701 | 12 | break; | |
| 702 | |||
| 703 | 2190 | case VVC_PREFIX_SEI_NUT: | |
| 704 | case VVC_SUFFIX_SEI_NUT: | ||
| 705 | { | ||
| 706 | 2190 | err = cbs_h266_write_sei(ctx, pbc, unit->content, | |
| 707 | 2190 | unit->type == VVC_PREFIX_SEI_NUT); | |
| 708 | |||
| 709 |
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|
2190 | if (err < 0) |
| 710 | ✗ | return err; | |
| 711 | } | ||
| 712 | 2190 | break; | |
| 713 | |||
| 714 | ✗ | default: | |
| 715 | ✗ | av_log(ctx->log_ctx, AV_LOG_ERROR, "Write unimplemented for " | |
| 716 | "NAL unit type %"PRIu32".\n", unit->type); | ||
| 717 | ✗ | return AVERROR_PATCHWELCOME; | |
| 718 | } | ||
| 719 | |||
| 720 | 5777 | return 0; | |
| 721 | } | ||
| 722 | |||
| 723 | 212 | static av_cold void cbs_h266_flush(CodedBitstreamContext *ctx) | |
| 724 | { | ||
| 725 | 212 | CodedBitstreamH266Context *h266 = ctx->priv_data; | |
| 726 | |||
| 727 |
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3604 | for (int i = 0; i < FF_ARRAY_ELEMS(h266->vps); i++) |
| 728 | 3392 | av_refstruct_unref(&h266->vps[i]); | |
| 729 |
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3604 | for (int i = 0; i < FF_ARRAY_ELEMS(h266->sps); i++) |
| 730 | 3392 | av_refstruct_unref(&h266->sps[i]); | |
| 731 |
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13780 | for (int i = 0; i < FF_ARRAY_ELEMS(h266->pps); i++) |
| 732 | 13568 | av_refstruct_unref(&h266->pps[i]); | |
| 733 | 212 | av_refstruct_unref(&h266->ph_ref); | |
| 734 | 212 | } | |
| 735 | |||
| 736 | 212 | static av_cold void cbs_h266_close(CodedBitstreamContext *ctx) | |
| 737 | { | ||
| 738 | 212 | CodedBitstreamH266Context *h266 = ctx->priv_data; | |
| 739 | |||
| 740 | 212 | cbs_h266_flush(ctx); | |
| 741 | 212 | ff_h2645_packet_uninit(&h266->common.read_packet); | |
| 742 | 212 | } | |
| 743 | |||
| 744 | 8823 | static void cbs_h266_free_slice(AVRefStructOpaque unused, void *content) | |
| 745 | { | ||
| 746 | 8823 | H266RawSlice *slice = content; | |
| 747 | 8823 | av_buffer_unref(&slice->data_ref); | |
| 748 | 8823 | av_refstruct_unref(&slice->sps); | |
| 749 | 8823 | av_refstruct_unref(&slice->pps); | |
| 750 | 8823 | av_refstruct_unref(&slice->ph_ref); | |
| 751 | 8823 | } | |
| 752 | |||
| 753 | |||
| 754 | 3290 | static void cbs_h266_free_sei(AVRefStructOpaque unused, void *content) | |
| 755 | { | ||
| 756 | 3290 | H266RawSEI *sei = content; | |
| 757 | 3290 | ff_cbs_sei_free_message_list(&sei->message_list); | |
| 758 | 3290 | } | |
| 759 | |||
| 760 | static CodedBitstreamUnitTypeDescriptor cbs_h266_unit_types[] = { | ||
| 761 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_DCI_NUT, H266RawDCI, extension_data.data), | ||
| 762 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_OPI_NUT, H266RawOPI, extension_data.data), | ||
| 763 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_VPS_NUT, H266RawVPS, extension_data.data), | ||
| 764 | { | ||
| 765 | .nb_unit_types = 1, | ||
| 766 | .unit_type.list[0] = VVC_SPS_NUT, | ||
| 767 | .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS, | ||
| 768 | .content_size = sizeof(H266RawSPS), | ||
| 769 | .type.ref = { | ||
| 770 | .nb_offsets = 2, | ||
| 771 | .offsets = { offsetof(H266RawSPS, extension_data.data), | ||
| 772 | offsetof(H266RawSPS, vui.extension_data.data) } | ||
| 773 | }, | ||
| 774 | }, | ||
| 775 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_PPS_NUT, H266RawPPS, extension_data.data), | ||
| 776 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_PREFIX_APS_NUT, H266RawAPS, extension_data.data), | ||
| 777 | CBS_UNIT_TYPE_INTERNAL_REF(VVC_SUFFIX_APS_NUT, H266RawAPS, extension_data.data), | ||
| 778 | |||
| 779 | CBS_UNIT_TYPE_POD(VVC_PH_NUT , H266RawPH), | ||
| 780 | CBS_UNIT_TYPE_POD(VVC_AUD_NUT, H266RawAUD), | ||
| 781 | |||
| 782 | CBS_UNIT_TYPES_COMPLEX((VVC_TRAIL_NUT, VVC_STSA_NUT, VVC_RADL_NUT), | ||
| 783 | H266RawSlice, cbs_h266_free_slice), | ||
| 784 | CBS_UNIT_TYPES_COMPLEX((VVC_RASL_NUT, VVC_IDR_W_RADL, VVC_IDR_N_LP), | ||
| 785 | H266RawSlice, cbs_h266_free_slice), | ||
| 786 | CBS_UNIT_TYPES_COMPLEX((VVC_CRA_NUT, VVC_GDR_NUT), | ||
| 787 | H266RawSlice, cbs_h266_free_slice), | ||
| 788 | |||
| 789 | CBS_UNIT_TYPES_COMPLEX((VVC_PREFIX_SEI_NUT, VVC_SUFFIX_SEI_NUT), | ||
| 790 | H266RawSEI, cbs_h266_free_sei), | ||
| 791 | |||
| 792 | CBS_UNIT_TYPE_END_OF_LIST | ||
| 793 | }; | ||
| 794 | |||
| 795 | const CodedBitstreamType ff_cbs_type_h266 = { | ||
| 796 | .codec_id = AV_CODEC_ID_VVC, | ||
| 797 | |||
| 798 | .priv_data_size = sizeof(CodedBitstreamH266Context), | ||
| 799 | |||
| 800 | .unit_types = cbs_h266_unit_types, | ||
| 801 | |||
| 802 | .split_fragment = &cbs_h266_split_fragment, | ||
| 803 | .read_unit = &cbs_h266_read_nal_unit, | ||
| 804 | .write_unit = &cbs_h266_write_nal_unit, | ||
| 805 | .assemble_fragment = &ff_cbs_h2645_assemble_fragment, | ||
| 806 | |||
| 807 | .flush = &cbs_h266_flush, | ||
| 808 | .close = &cbs_h266_close, | ||
| 809 | }; | ||
| 810 |