| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * HEVC Parameter Set decoding | ||
| 3 | * | ||
| 4 | * Copyright (C) 2012 - 2013 Guillaume Martres | ||
| 5 | * Copyright (C) 2012 - 2013 Mickael Raulet | ||
| 6 | * Copyright (C) 2012 - 2013 Gildas Cocherel | ||
| 7 | * Copyright (C) 2013 Vittorio Giovara | ||
| 8 | * | ||
| 9 | * This file is part of FFmpeg. | ||
| 10 | * | ||
| 11 | * FFmpeg is free software; you can redistribute it and/or | ||
| 12 | * modify it under the terms of the GNU Lesser General Public | ||
| 13 | * License as published by the Free Software Foundation; either | ||
| 14 | * version 2.1 of the License, or (at your option) any later version. | ||
| 15 | * | ||
| 16 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 19 | * Lesser General Public License for more details. | ||
| 20 | * | ||
| 21 | * You should have received a copy of the GNU Lesser General Public | ||
| 22 | * License along with FFmpeg; if not, write to the Free Software | ||
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include "libavutil/imgutils.h" | ||
| 27 | #include "golomb.h" | ||
| 28 | #include "h2645_vui.h" | ||
| 29 | #include "hevc_data.h" | ||
| 30 | #include "hevc_ps.h" | ||
| 31 | |||
| 32 | static const uint8_t default_scaling_list_intra[] = { | ||
| 33 | 16, 16, 16, 16, 17, 18, 21, 24, | ||
| 34 | 16, 16, 16, 16, 17, 19, 22, 25, | ||
| 35 | 16, 16, 17, 18, 20, 22, 25, 29, | ||
| 36 | 16, 16, 18, 21, 24, 27, 31, 36, | ||
| 37 | 17, 17, 20, 24, 30, 35, 41, 47, | ||
| 38 | 18, 19, 22, 27, 35, 44, 54, 65, | ||
| 39 | 21, 22, 25, 31, 41, 54, 70, 88, | ||
| 40 | 24, 25, 29, 36, 47, 65, 88, 115 | ||
| 41 | }; | ||
| 42 | |||
| 43 | static const uint8_t default_scaling_list_inter[] = { | ||
| 44 | 16, 16, 16, 16, 17, 18, 20, 24, | ||
| 45 | 16, 16, 16, 17, 18, 20, 24, 25, | ||
| 46 | 16, 16, 17, 18, 20, 24, 25, 28, | ||
| 47 | 16, 17, 18, 20, 24, 25, 28, 33, | ||
| 48 | 17, 18, 20, 24, 25, 28, 33, 41, | ||
| 49 | 18, 20, 24, 25, 28, 33, 41, 54, | ||
| 50 | 20, 24, 25, 28, 33, 41, 54, 71, | ||
| 51 | 24, 25, 28, 33, 41, 54, 71, 91 | ||
| 52 | }; | ||
| 53 | |||
| 54 | static const uint8_t hevc_sub_width_c[] = { | ||
| 55 | 1, 2, 2, 1 | ||
| 56 | }; | ||
| 57 | |||
| 58 | static const uint8_t hevc_sub_height_c[] = { | ||
| 59 | 1, 2, 1, 1 | ||
| 60 | }; | ||
| 61 | |||
| 62 | 3257 | static void remove_pps(HEVCParamSets *s, int id) | |
| 63 | { | ||
| 64 |
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3257 | if (s->pps_list[id] && s->pps == (const HEVCPPS*)s->pps_list[id]->data) |
| 65 | 1789 | s->pps = NULL; | |
| 66 | 3257 | av_buffer_unref(&s->pps_list[id]); | |
| 67 | 3257 | } | |
| 68 | |||
| 69 | 607 | static void remove_sps(HEVCParamSets *s, int id) | |
| 70 | { | ||
| 71 | int i; | ||
| 72 |
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607 | if (s->sps_list[id]) { |
| 73 |
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11 | if (s->sps == (const HEVCSPS*)s->sps_list[id]->data) |
| 74 | 11 | s->sps = NULL; | |
| 75 | |||
| 76 | /* drop all PPS that depend on this SPS */ | ||
| 77 |
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715 | for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) |
| 78 |
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704 | if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == id) |
| 79 | 11 | remove_pps(s, i); | |
| 80 | |||
| 81 |
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11 | av_assert0(!(s->sps_list[id] && s->sps == (HEVCSPS*)s->sps_list[id]->data)); |
| 82 | } | ||
| 83 | 607 | av_buffer_unref(&s->sps_list[id]); | |
| 84 | 607 | } | |
| 85 | |||
| 86 | 594 | static void remove_vps(HEVCParamSets *s, int id) | |
| 87 | { | ||
| 88 | int i; | ||
| 89 |
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594 | if (s->vps_list[id]) { |
| 90 |
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3 | if (s->vps == (const HEVCVPS*)s->vps_list[id]->data) |
| 91 | 3 | s->vps = NULL; | |
| 92 | |||
| 93 |
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51 | for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++) |
| 94 |
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48 | if (s->sps_list[i] && ((HEVCSPS*)s->sps_list[i]->data)->vps_id == id) |
| 95 | 3 | remove_sps(s, i); | |
| 96 | } | ||
| 97 | 594 | av_buffer_unref(&s->vps_list[id]); | |
| 98 | 594 | } | |
| 99 | |||
| 100 | 12350 | int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx, | |
| 101 | ShortTermRPS *rps, const HEVCSPS *sps, int is_slice_header) | ||
| 102 | { | ||
| 103 | 12350 | uint8_t rps_predict = 0; | |
| 104 | int delta_poc; | ||
| 105 | 12350 | int k0 = 0; | |
| 106 | 12350 | int k = 0; | |
| 107 | int i; | ||
| 108 | |||
| 109 |
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12350 | if (rps != sps->st_rps && sps->nb_st_rps) |
| 110 | 11172 | rps_predict = get_bits1(gb); | |
| 111 | |||
| 112 |
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12350 | if (rps_predict) { |
| 113 | const ShortTermRPS *rps_ridx; | ||
| 114 | int delta_rps; | ||
| 115 | unsigned abs_delta_rps; | ||
| 116 | 7414 | uint8_t use_delta_flag = 0; | |
| 117 | uint8_t delta_rps_sign; | ||
| 118 | |||
| 119 |
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7414 | if (is_slice_header) { |
| 120 | 619 | unsigned int delta_idx = get_ue_golomb_long(gb) + 1; | |
| 121 |
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619 | if (delta_idx > sps->nb_st_rps) { |
| 122 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 123 | "Invalid value of delta_idx in slice header RPS: %d > %d.\n", | ||
| 124 | ✗ | delta_idx, sps->nb_st_rps); | |
| 125 | ✗ | return AVERROR_INVALIDDATA; | |
| 126 | } | ||
| 127 | 619 | rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx]; | |
| 128 | 619 | rps->rps_idx_num_delta_pocs = rps_ridx->num_delta_pocs; | |
| 129 | } else | ||
| 130 | 6795 | rps_ridx = &sps->st_rps[rps - sps->st_rps - 1]; | |
| 131 | |||
| 132 | 7414 | delta_rps_sign = get_bits1(gb); | |
| 133 | 7414 | abs_delta_rps = get_ue_golomb_long(gb) + 1; | |
| 134 |
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7414 | if (abs_delta_rps < 1 || abs_delta_rps > 32768) { |
| 135 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 136 | "Invalid value of abs_delta_rps: %d\n", | ||
| 137 | abs_delta_rps); | ||
| 138 | ✗ | return AVERROR_INVALIDDATA; | |
| 139 | } | ||
| 140 | 7414 | delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps; | |
| 141 |
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39560 | for (i = 0; i <= rps_ridx->num_delta_pocs; i++) { |
| 142 | 32146 | int used = rps->used[k] = get_bits1(gb); | |
| 143 | |||
| 144 |
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32146 | if (!used) |
| 145 | 6381 | use_delta_flag = get_bits1(gb); | |
| 146 | |||
| 147 |
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32146 | if (used || use_delta_flag) { |
| 148 |
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25815 | if (i < rps_ridx->num_delta_pocs) |
| 149 | 20337 | delta_poc = delta_rps + rps_ridx->delta_poc[i]; | |
| 150 | else | ||
| 151 | 5478 | delta_poc = delta_rps; | |
| 152 | 25815 | rps->delta_poc[k] = delta_poc; | |
| 153 |
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25815 | if (delta_poc < 0) |
| 154 | 17936 | k0++; | |
| 155 | 25815 | k++; | |
| 156 | } | ||
| 157 | } | ||
| 158 | |||
| 159 |
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7414 | if (k >= FF_ARRAY_ELEMS(rps->used)) { |
| 160 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 161 | "Invalid num_delta_pocs: %d\n", k); | ||
| 162 | ✗ | return AVERROR_INVALIDDATA; | |
| 163 | } | ||
| 164 | |||
| 165 | 7414 | rps->num_delta_pocs = k; | |
| 166 | 7414 | rps->num_negative_pics = k0; | |
| 167 | // sort in increasing order (smallest first) | ||
| 168 |
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7414 | if (rps->num_delta_pocs != 0) { |
| 169 | int used, tmp; | ||
| 170 |
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25815 | for (i = 1; i < rps->num_delta_pocs; i++) { |
| 171 | 18401 | delta_poc = rps->delta_poc[i]; | |
| 172 | 18401 | used = rps->used[i]; | |
| 173 |
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52679 | for (k = i - 1; k >= 0; k--) { |
| 174 | 34278 | tmp = rps->delta_poc[k]; | |
| 175 |
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34278 | if (delta_poc < tmp) { |
| 176 | 10983 | rps->delta_poc[k + 1] = tmp; | |
| 177 | 10983 | rps->used[k + 1] = rps->used[k]; | |
| 178 | 10983 | rps->delta_poc[k] = delta_poc; | |
| 179 | 10983 | rps->used[k] = used; | |
| 180 | } | ||
| 181 | } | ||
| 182 | } | ||
| 183 | } | ||
| 184 |
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7414 | if ((rps->num_negative_pics >> 1) != 0) { |
| 185 | int used; | ||
| 186 | 5635 | k = rps->num_negative_pics - 1; | |
| 187 | // flip the negative values to largest first | ||
| 188 |
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13043 | for (i = 0; i < rps->num_negative_pics >> 1; i++) { |
| 189 | 7408 | delta_poc = rps->delta_poc[i]; | |
| 190 | 7408 | used = rps->used[i]; | |
| 191 | 7408 | rps->delta_poc[i] = rps->delta_poc[k]; | |
| 192 | 7408 | rps->used[i] = rps->used[k]; | |
| 193 | 7408 | rps->delta_poc[k] = delta_poc; | |
| 194 | 7408 | rps->used[k] = used; | |
| 195 | 7408 | k--; | |
| 196 | } | ||
| 197 | } | ||
| 198 | } else { | ||
| 199 | unsigned int prev, nb_positive_pics; | ||
| 200 | 4936 | rps->num_negative_pics = get_ue_golomb_long(gb); | |
| 201 | 4936 | nb_positive_pics = get_ue_golomb_long(gb); | |
| 202 | |||
| 203 |
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4936 | if (rps->num_negative_pics >= HEVC_MAX_REFS || |
| 204 | nb_positive_pics >= HEVC_MAX_REFS) { | ||
| 205 | ✗ | av_log(avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n"); | |
| 206 | ✗ | return AVERROR_INVALIDDATA; | |
| 207 | } | ||
| 208 | |||
| 209 | 4936 | rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics; | |
| 210 |
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4936 | if (rps->num_delta_pocs) { |
| 211 | 4614 | prev = 0; | |
| 212 |
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18491 | for (i = 0; i < rps->num_negative_pics; i++) { |
| 213 | 13877 | delta_poc = get_ue_golomb_long(gb) + 1; | |
| 214 |
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13877 | if (delta_poc < 1 || delta_poc > 32768) { |
| 215 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 216 | "Invalid value of delta_poc: %d\n", | ||
| 217 | delta_poc); | ||
| 218 | ✗ | return AVERROR_INVALIDDATA; | |
| 219 | } | ||
| 220 | 13877 | prev -= delta_poc; | |
| 221 | 13877 | rps->delta_poc[i] = prev; | |
| 222 | 13877 | rps->used[i] = get_bits1(gb); | |
| 223 | } | ||
| 224 | 4614 | prev = 0; | |
| 225 |
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5811 | for (i = 0; i < nb_positive_pics; i++) { |
| 226 | 1197 | delta_poc = get_ue_golomb_long(gb) + 1; | |
| 227 |
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1197 | if (delta_poc < 1 || delta_poc > 32768) { |
| 228 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 229 | "Invalid value of delta_poc: %d\n", | ||
| 230 | delta_poc); | ||
| 231 | ✗ | return AVERROR_INVALIDDATA; | |
| 232 | } | ||
| 233 | 1197 | prev += delta_poc; | |
| 234 | 1197 | rps->delta_poc[rps->num_negative_pics + i] = prev; | |
| 235 | 1197 | rps->used[rps->num_negative_pics + i] = get_bits1(gb); | |
| 236 | } | ||
| 237 | } | ||
| 238 | } | ||
| 239 | 12350 | return 0; | |
| 240 | } | ||
| 241 | |||
| 242 | |||
| 243 | 2117 | static int decode_profile_tier_level(GetBitContext *gb, AVCodecContext *avctx, | |
| 244 | PTLCommon *ptl) | ||
| 245 | { | ||
| 246 | int i; | ||
| 247 | |||
| 248 |
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2117 | if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 43 + 1) |
| 249 | ✗ | return -1; | |
| 250 | |||
| 251 | 2117 | ptl->profile_space = get_bits(gb, 2); | |
| 252 | 2117 | ptl->tier_flag = get_bits1(gb); | |
| 253 | 2117 | ptl->profile_idc = get_bits(gb, 5); | |
| 254 |
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2117 | if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN) |
| 255 | 1765 | av_log(avctx, AV_LOG_DEBUG, "Main profile bitstream\n"); | |
| 256 |
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352 | else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_10) |
| 257 | 164 | av_log(avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n"); | |
| 258 |
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188 | else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_STILL_PICTURE) |
| 259 | 8 | av_log(avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n"); | |
| 260 |
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180 | else if (ptl->profile_idc == FF_PROFILE_HEVC_REXT) |
| 261 | 130 | av_log(avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n"); | |
| 262 | else | ||
| 263 | 50 | av_log(avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc); | |
| 264 | |||
| 265 |
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69861 | for (i = 0; i < 32; i++) { |
| 266 | 67744 | ptl->profile_compatibility_flag[i] = get_bits1(gb); | |
| 267 | |||
| 268 |
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67744 | if (ptl->profile_idc == 0 && i > 0 && ptl->profile_compatibility_flag[i]) |
| 269 | 40 | ptl->profile_idc = i; | |
| 270 | } | ||
| 271 | 2117 | ptl->progressive_source_flag = get_bits1(gb); | |
| 272 | 2117 | ptl->interlaced_source_flag = get_bits1(gb); | |
| 273 | 2117 | ptl->non_packed_constraint_flag = get_bits1(gb); | |
| 274 | 2117 | ptl->frame_only_constraint_flag = get_bits1(gb); | |
| 275 | |||
| 276 | #define check_profile_idc(idc) \ | ||
| 277 | ptl->profile_idc == idc || ptl->profile_compatibility_flag[idc] | ||
| 278 | |||
| 279 |
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2117 | if (check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(6) || |
| 280 |
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1977 | check_profile_idc(7) || check_profile_idc(8) || check_profile_idc(9) || |
| 281 |
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1977 | check_profile_idc(10)) { |
| 282 | |||
| 283 | 140 | ptl->max_12bit_constraint_flag = get_bits1(gb); | |
| 284 | 140 | ptl->max_10bit_constraint_flag = get_bits1(gb); | |
| 285 | 140 | ptl->max_8bit_constraint_flag = get_bits1(gb); | |
| 286 | 140 | ptl->max_422chroma_constraint_flag = get_bits1(gb); | |
| 287 | 140 | ptl->max_420chroma_constraint_flag = get_bits1(gb); | |
| 288 | 140 | ptl->max_monochrome_constraint_flag = get_bits1(gb); | |
| 289 | 140 | ptl->intra_constraint_flag = get_bits1(gb); | |
| 290 | 140 | ptl->one_picture_only_constraint_flag = get_bits1(gb); | |
| 291 | 140 | ptl->lower_bit_rate_constraint_flag = get_bits1(gb); | |
| 292 | |||
| 293 |
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140 | if (check_profile_idc(5) || check_profile_idc(9) || check_profile_idc(10)) { |
| 294 | 10 | ptl->max_14bit_constraint_flag = get_bits1(gb); | |
| 295 | 10 | skip_bits_long(gb, 33); // XXX_reserved_zero_33bits[0..32] | |
| 296 | } else { | ||
| 297 | 130 | skip_bits_long(gb, 34); // XXX_reserved_zero_34bits[0..33] | |
| 298 | } | ||
| 299 |
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1977 | } else if (check_profile_idc(2)) { |
| 300 | 1665 | skip_bits(gb, 7); | |
| 301 | 1665 | ptl->one_picture_only_constraint_flag = get_bits1(gb); | |
| 302 | 1665 | skip_bits_long(gb, 35); // XXX_reserved_zero_35bits[0..34] | |
| 303 | } else { | ||
| 304 | 312 | skip_bits_long(gb, 43); // XXX_reserved_zero_43bits[0..42] | |
| 305 | } | ||
| 306 | |||
| 307 |
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2117 | if (check_profile_idc(1) || check_profile_idc(2) || check_profile_idc(3) || |
| 308 |
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140 | check_profile_idc(4) || check_profile_idc(5) || check_profile_idc(9)) |
| 309 | 2117 | ptl->inbld_flag = get_bits1(gb); | |
| 310 | else | ||
| 311 | ✗ | skip_bits1(gb); | |
| 312 | #undef check_profile_idc | ||
| 313 | |||
| 314 | 2117 | return 0; | |
| 315 | } | ||
| 316 | |||
| 317 | 2065 | static int parse_ptl(GetBitContext *gb, AVCodecContext *avctx, | |
| 318 | PTL *ptl, int max_num_sub_layers) | ||
| 319 | { | ||
| 320 | int i; | ||
| 321 |
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4130 | if (decode_profile_tier_level(gb, avctx, &ptl->general_ptl) < 0 || |
| 322 |
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2065 | get_bits_left(gb) < 8 + (8*2 * (max_num_sub_layers - 1 > 0))) { |
| 323 | ✗ | av_log(avctx, AV_LOG_ERROR, "PTL information too short\n"); | |
| 324 | ✗ | return -1; | |
| 325 | } | ||
| 326 | |||
| 327 | 2065 | ptl->general_ptl.level_idc = get_bits(gb, 8); | |
| 328 | |||
| 329 |
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2533 | for (i = 0; i < max_num_sub_layers - 1; i++) { |
| 330 | 468 | ptl->sub_layer_profile_present_flag[i] = get_bits1(gb); | |
| 331 | 468 | ptl->sub_layer_level_present_flag[i] = get_bits1(gb); | |
| 332 | } | ||
| 333 | |||
| 334 |
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2065 | if (max_num_sub_layers - 1> 0) |
| 335 |
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1656 | for (i = max_num_sub_layers - 1; i < 8; i++) |
| 336 | 1420 | skip_bits(gb, 2); // reserved_zero_2bits[i] | |
| 337 |
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2533 | for (i = 0; i < max_num_sub_layers - 1; i++) { |
| 338 |
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520 | if (ptl->sub_layer_profile_present_flag[i] && |
| 339 | 52 | decode_profile_tier_level(gb, avctx, &ptl->sub_layer_ptl[i]) < 0) { | |
| 340 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 341 | "PTL information for sublayer %i too short\n", i); | ||
| 342 | ✗ | return -1; | |
| 343 | } | ||
| 344 |
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468 | if (ptl->sub_layer_level_present_flag[i]) { |
| 345 |
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52 | if (get_bits_left(gb) < 8) { |
| 346 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 347 | "Not enough data for sublayer %i level_idc\n", i); | ||
| 348 | ✗ | return -1; | |
| 349 | } else | ||
| 350 | 52 | ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8); | |
| 351 | } | ||
| 352 | } | ||
| 353 | |||
| 354 | 2065 | return 0; | |
| 355 | } | ||
| 356 | |||
| 357 | 97 | static void decode_sublayer_hrd(GetBitContext *gb, unsigned int nb_cpb, | |
| 358 | int subpic_params_present) | ||
| 359 | { | ||
| 360 | int i; | ||
| 361 | |||
| 362 |
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194 | for (i = 0; i < nb_cpb; i++) { |
| 363 | 97 | get_ue_golomb_long(gb); // bit_rate_value_minus1 | |
| 364 | 97 | get_ue_golomb_long(gb); // cpb_size_value_minus1 | |
| 365 | |||
| 366 |
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97 | if (subpic_params_present) { |
| 367 | 26 | get_ue_golomb_long(gb); // cpb_size_du_value_minus1 | |
| 368 | 26 | get_ue_golomb_long(gb); // bit_rate_du_value_minus1 | |
| 369 | } | ||
| 370 | 97 | skip_bits1(gb); // cbr_flag | |
| 371 | } | ||
| 372 | 97 | } | |
| 373 | |||
| 374 | 51 | static int decode_hrd(GetBitContext *gb, int common_inf_present, | |
| 375 | int max_sublayers) | ||
| 376 | { | ||
| 377 | 51 | int nal_params_present = 0, vcl_params_present = 0; | |
| 378 | 51 | int subpic_params_present = 0; | |
| 379 | int i; | ||
| 380 | |||
| 381 |
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51 | if (common_inf_present) { |
| 382 | 51 | nal_params_present = get_bits1(gb); | |
| 383 | 51 | vcl_params_present = get_bits1(gb); | |
| 384 | |||
| 385 |
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51 | if (nal_params_present || vcl_params_present) { |
| 386 | 51 | subpic_params_present = get_bits1(gb); | |
| 387 | |||
| 388 |
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51 | if (subpic_params_present) { |
| 389 | 13 | skip_bits(gb, 8); // tick_divisor_minus2 | |
| 390 | 13 | skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1 | |
| 391 | 13 | skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag | |
| 392 | 13 | skip_bits(gb, 5); // dpb_output_delay_du_length_minus1 | |
| 393 | } | ||
| 394 | |||
| 395 | 51 | skip_bits(gb, 4); // bit_rate_scale | |
| 396 | 51 | skip_bits(gb, 4); // cpb_size_scale | |
| 397 | |||
| 398 |
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|
51 | if (subpic_params_present) |
| 399 | 13 | skip_bits(gb, 4); // cpb_size_du_scale | |
| 400 | |||
| 401 | 51 | skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1 | |
| 402 | 51 | skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1 | |
| 403 | 51 | skip_bits(gb, 5); // dpb_output_delay_length_minus1 | |
| 404 | } | ||
| 405 | } | ||
| 406 | |||
| 407 |
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102 | for (i = 0; i < max_sublayers; i++) { |
| 408 | 51 | int low_delay = 0; | |
| 409 | 51 | unsigned int nb_cpb = 1; | |
| 410 | 51 | int fixed_rate = get_bits1(gb); | |
| 411 | |||
| 412 |
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51 | if (!fixed_rate) |
| 413 | 23 | fixed_rate = get_bits1(gb); | |
| 414 | |||
| 415 |
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|
51 | if (fixed_rate) |
| 416 | 28 | get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1 | |
| 417 | else | ||
| 418 | 23 | low_delay = get_bits1(gb); | |
| 419 | |||
| 420 |
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51 | if (!low_delay) { |
| 421 | 51 | nb_cpb = get_ue_golomb_long(gb) + 1; | |
| 422 |
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51 | if (nb_cpb < 1 || nb_cpb > 32) { |
| 423 | ✗ | av_log(NULL, AV_LOG_ERROR, "nb_cpb %d invalid\n", nb_cpb); | |
| 424 | ✗ | return AVERROR_INVALIDDATA; | |
| 425 | } | ||
| 426 | } | ||
| 427 | |||
| 428 |
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51 | if (nal_params_present) |
| 429 | 51 | decode_sublayer_hrd(gb, nb_cpb, subpic_params_present); | |
| 430 |
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51 | if (vcl_params_present) |
| 431 | 46 | decode_sublayer_hrd(gb, nb_cpb, subpic_params_present); | |
| 432 | } | ||
| 433 | 51 | return 0; | |
| 434 | } | ||
| 435 | |||
| 436 | 1036 | int ff_hevc_decode_nal_vps(GetBitContext *gb, AVCodecContext *avctx, | |
| 437 | HEVCParamSets *ps) | ||
| 438 | { | ||
| 439 | int i,j; | ||
| 440 | 1036 | int vps_id = 0; | |
| 441 | ptrdiff_t nal_size; | ||
| 442 | HEVCVPS *vps; | ||
| 443 | 1036 | AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps)); | |
| 444 | |||
| 445 |
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1036 | if (!vps_buf) |
| 446 | ✗ | return AVERROR(ENOMEM); | |
| 447 | 1036 | vps = (HEVCVPS*)vps_buf->data; | |
| 448 | |||
| 449 | 1036 | av_log(avctx, AV_LOG_DEBUG, "Decoding VPS\n"); | |
| 450 | |||
| 451 | 1036 | nal_size = gb->buffer_end - gb->buffer; | |
| 452 |
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1036 | if (nal_size > sizeof(vps->data)) { |
| 453 | ✗ | av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized VPS " | |
| 454 | "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n", | ||
| 455 | nal_size, sizeof(vps->data)); | ||
| 456 | ✗ | vps->data_size = sizeof(vps->data); | |
| 457 | } else { | ||
| 458 | 1036 | vps->data_size = nal_size; | |
| 459 | } | ||
| 460 | 1036 | memcpy(vps->data, gb->buffer, vps->data_size); | |
| 461 | |||
| 462 | 1036 | vps_id = get_bits(gb, 4); | |
| 463 | |||
| 464 |
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1036 | if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits |
| 465 | ✗ | av_log(avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n"); | |
| 466 | ✗ | goto err; | |
| 467 | } | ||
| 468 | |||
| 469 | 1036 | vps->vps_max_layers = get_bits(gb, 6) + 1; | |
| 470 | 1036 | vps->vps_max_sub_layers = get_bits(gb, 3) + 1; | |
| 471 | 1036 | vps->vps_temporal_id_nesting_flag = get_bits1(gb); | |
| 472 | |||
| 473 |
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1036 | if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits |
| 474 | ✗ | av_log(avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n"); | |
| 475 | ✗ | goto err; | |
| 476 | } | ||
| 477 | |||
| 478 |
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1036 | if (vps->vps_max_sub_layers > HEVC_MAX_SUB_LAYERS) { |
| 479 | ✗ | av_log(avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n", | |
| 480 | vps->vps_max_sub_layers); | ||
| 481 | ✗ | goto err; | |
| 482 | } | ||
| 483 | |||
| 484 |
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|
1036 | if (parse_ptl(gb, avctx, &vps->ptl, vps->vps_max_sub_layers) < 0) |
| 485 | ✗ | goto err; | |
| 486 | |||
| 487 | 1036 | vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb); | |
| 488 | |||
| 489 |
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1036 | i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1; |
| 490 |
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2219 | for (; i < vps->vps_max_sub_layers; i++) { |
| 491 | 1183 | vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1; | |
| 492 | 1183 | vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb); | |
| 493 | 1183 | vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1; | |
| 494 | |||
| 495 |
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1183 | if (vps->vps_max_dec_pic_buffering[i] > HEVC_MAX_DPB_SIZE || !vps->vps_max_dec_pic_buffering[i]) { |
| 496 | ✗ | av_log(avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n", | |
| 497 | ✗ | vps->vps_max_dec_pic_buffering[i] - 1); | |
| 498 | ✗ | goto err; | |
| 499 | } | ||
| 500 |
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1183 | if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) { |
| 501 | ✗ | av_log(avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n", | |
| 502 | vps->vps_num_reorder_pics[i]); | ||
| 503 | ✗ | if (avctx->err_recognition & AV_EF_EXPLODE) | |
| 504 | ✗ | goto err; | |
| 505 | } | ||
| 506 | } | ||
| 507 | |||
| 508 | 1036 | vps->vps_max_layer_id = get_bits(gb, 6); | |
| 509 | 1036 | vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1; | |
| 510 |
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1036 | if (vps->vps_num_layer_sets < 1 || vps->vps_num_layer_sets > 1024 || |
| 511 |
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1036 | (vps->vps_num_layer_sets - 1LL) * (vps->vps_max_layer_id + 1LL) > get_bits_left(gb)) { |
| 512 | ✗ | av_log(avctx, AV_LOG_ERROR, "too many layer_id_included_flags\n"); | |
| 513 | ✗ | goto err; | |
| 514 | } | ||
| 515 | |||
| 516 |
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1036 | for (i = 1; i < vps->vps_num_layer_sets; i++) |
| 517 | ✗ | for (j = 0; j <= vps->vps_max_layer_id; j++) | |
| 518 | ✗ | skip_bits(gb, 1); // layer_id_included_flag[i][j] | |
| 519 | |||
| 520 | 1036 | vps->vps_timing_info_present_flag = get_bits1(gb); | |
| 521 |
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1036 | if (vps->vps_timing_info_present_flag) { |
| 522 | 38 | vps->vps_num_units_in_tick = get_bits_long(gb, 32); | |
| 523 | 38 | vps->vps_time_scale = get_bits_long(gb, 32); | |
| 524 | 38 | vps->vps_poc_proportional_to_timing_flag = get_bits1(gb); | |
| 525 |
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38 | if (vps->vps_poc_proportional_to_timing_flag) |
| 526 | 38 | vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1; | |
| 527 | 38 | vps->vps_num_hrd_parameters = get_ue_golomb_long(gb); | |
| 528 |
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38 | if (vps->vps_num_hrd_parameters > (unsigned)vps->vps_num_layer_sets) { |
| 529 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 530 | "vps_num_hrd_parameters %d is invalid\n", vps->vps_num_hrd_parameters); | ||
| 531 | ✗ | goto err; | |
| 532 | } | ||
| 533 |
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43 | for (i = 0; i < vps->vps_num_hrd_parameters; i++) { |
| 534 | 5 | int common_inf_present = 1; | |
| 535 | |||
| 536 | 5 | get_ue_golomb_long(gb); // hrd_layer_set_idx | |
| 537 |
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5 | if (i) |
| 538 | ✗ | common_inf_present = get_bits1(gb); | |
| 539 | 5 | decode_hrd(gb, common_inf_present, vps->vps_max_sub_layers); | |
| 540 | } | ||
| 541 | } | ||
| 542 | 1036 | get_bits1(gb); /* vps_extension_flag */ | |
| 543 | |||
| 544 |
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1036 | if (get_bits_left(gb) < 0) { |
| 545 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 546 | ✗ | "Overread VPS by %d bits\n", -get_bits_left(gb)); | |
| 547 | ✗ | if (ps->vps_list[vps_id]) | |
| 548 | ✗ | goto err; | |
| 549 | } | ||
| 550 | |||
| 551 |
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1036 | if (ps->vps_list[vps_id] && |
| 552 |
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445 | !memcmp(ps->vps_list[vps_id]->data, vps_buf->data, vps_buf->size)) { |
| 553 | 442 | av_buffer_unref(&vps_buf); | |
| 554 | } else { | ||
| 555 | 594 | remove_vps(ps, vps_id); | |
| 556 | 594 | ps->vps_list[vps_id] = vps_buf; | |
| 557 | } | ||
| 558 | |||
| 559 | 1036 | return 0; | |
| 560 | |||
| 561 | ✗ | err: | |
| 562 | ✗ | av_buffer_unref(&vps_buf); | |
| 563 | ✗ | return AVERROR_INVALIDDATA; | |
| 564 | } | ||
| 565 | |||
| 566 | 253 | static void decode_vui(GetBitContext *gb, AVCodecContext *avctx, | |
| 567 | int apply_defdispwin, HEVCSPS *sps) | ||
| 568 | { | ||
| 569 | 253 | VUI backup_vui, *vui = &sps->vui; | |
| 570 | GetBitContext backup; | ||
| 571 | 253 | int alt = 0; | |
| 572 | |||
| 573 | 253 | ff_h2645_decode_common_vui_params(gb, &sps->vui.common, avctx); | |
| 574 | |||
| 575 |
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253 | if (vui->common.video_signal_type_present_flag) { |
| 576 |
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51 | if (vui->common.video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P) |
| 577 | 5 | sps->pix_fmt = AV_PIX_FMT_YUVJ420P; | |
| 578 |
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51 | if (vui->common.colour_description_present_flag) { |
| 579 |
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46 | if (vui->common.matrix_coeffs == AVCOL_SPC_RGB) { |
| 580 | ✗ | switch (sps->pix_fmt) { | |
| 581 | ✗ | case AV_PIX_FMT_YUV444P: | |
| 582 | ✗ | sps->pix_fmt = AV_PIX_FMT_GBRP; | |
| 583 | ✗ | break; | |
| 584 | ✗ | case AV_PIX_FMT_YUV444P10: | |
| 585 | ✗ | sps->pix_fmt = AV_PIX_FMT_GBRP10; | |
| 586 | ✗ | break; | |
| 587 | ✗ | case AV_PIX_FMT_YUV444P12: | |
| 588 | ✗ | sps->pix_fmt = AV_PIX_FMT_GBRP12; | |
| 589 | ✗ | break; | |
| 590 | } | ||
| 591 | } | ||
| 592 | } | ||
| 593 | } | ||
| 594 | |||
| 595 | 253 | vui->neutra_chroma_indication_flag = get_bits1(gb); | |
| 596 | 253 | vui->field_seq_flag = get_bits1(gb); | |
| 597 | 253 | vui->frame_field_info_present_flag = get_bits1(gb); | |
| 598 | |||
| 599 | // Backup context in case an alternate header is detected | ||
| 600 | 253 | memcpy(&backup, gb, sizeof(backup)); | |
| 601 | 253 | memcpy(&backup_vui, vui, sizeof(backup_vui)); | |
| 602 |
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253 | if (get_bits_left(gb) >= 68 && show_bits(gb, 21) == 0x100000) { |
| 603 | ✗ | vui->default_display_window_flag = 0; | |
| 604 | ✗ | av_log(avctx, AV_LOG_WARNING, "Invalid default display window\n"); | |
| 605 | } else | ||
| 606 | 253 | vui->default_display_window_flag = get_bits1(gb); | |
| 607 | |||
| 608 |
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253 | if (vui->default_display_window_flag) { |
| 609 | 98 | int vert_mult = hevc_sub_height_c[sps->chroma_format_idc]; | |
| 610 | 98 | int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc]; | |
| 611 | 98 | vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * horiz_mult; | |
| 612 | 98 | vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * horiz_mult; | |
| 613 | 98 | vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * vert_mult; | |
| 614 | 98 | vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult; | |
| 615 | |||
| 616 |
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98 | if (apply_defdispwin && |
| 617 |
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|
44 | avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) { |
| 618 | ✗ | av_log(avctx, AV_LOG_DEBUG, | |
| 619 | "discarding vui default display window, " | ||
| 620 | "original values are l:%u r:%u t:%u b:%u\n", | ||
| 621 | vui->def_disp_win.left_offset, | ||
| 622 | vui->def_disp_win.right_offset, | ||
| 623 | vui->def_disp_win.top_offset, | ||
| 624 | vui->def_disp_win.bottom_offset); | ||
| 625 | |||
| 626 | ✗ | vui->def_disp_win.left_offset = | |
| 627 | ✗ | vui->def_disp_win.right_offset = | |
| 628 | ✗ | vui->def_disp_win.top_offset = | |
| 629 | ✗ | vui->def_disp_win.bottom_offset = 0; | |
| 630 | } | ||
| 631 | } | ||
| 632 | |||
| 633 | 253 | timing_info: | |
| 634 | 253 | vui->vui_timing_info_present_flag = get_bits1(gb); | |
| 635 | |||
| 636 |
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|
253 | if (vui->vui_timing_info_present_flag) { |
| 637 |
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|
93 | if( get_bits_left(gb) < 66 && !alt) { |
| 638 | // The alternate syntax seem to have timing info located | ||
| 639 | // at where def_disp_win is normally located | ||
| 640 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 641 | "Strange VUI timing information, retrying...\n"); | ||
| 642 | ✗ | memcpy(vui, &backup_vui, sizeof(backup_vui)); | |
| 643 | ✗ | memcpy(gb, &backup, sizeof(backup)); | |
| 644 | ✗ | alt = 1; | |
| 645 | ✗ | goto timing_info; | |
| 646 | } | ||
| 647 | 93 | vui->vui_num_units_in_tick = get_bits_long(gb, 32); | |
| 648 | 93 | vui->vui_time_scale = get_bits_long(gb, 32); | |
| 649 |
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|
93 | if (alt) { |
| 650 | ✗ | av_log(avctx, AV_LOG_INFO, "Retry got %"PRIu32"/%"PRIu32" fps\n", | |
| 651 | vui->vui_time_scale, vui->vui_num_units_in_tick); | ||
| 652 | } | ||
| 653 | 93 | vui->vui_poc_proportional_to_timing_flag = get_bits1(gb); | |
| 654 |
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|
93 | if (vui->vui_poc_proportional_to_timing_flag) |
| 655 | 38 | vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb); | |
| 656 | 93 | vui->vui_hrd_parameters_present_flag = get_bits1(gb); | |
| 657 |
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|
93 | if (vui->vui_hrd_parameters_present_flag) |
| 658 | 46 | decode_hrd(gb, 1, sps->max_sub_layers); | |
| 659 | } | ||
| 660 | |||
| 661 | 253 | vui->bitstream_restriction_flag = get_bits1(gb); | |
| 662 |
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|
253 | if (vui->bitstream_restriction_flag) { |
| 663 |
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|
112 | if (get_bits_left(gb) < 8 && !alt) { |
| 664 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 665 | "Strange VUI bitstream restriction information, retrying" | ||
| 666 | " from timing information...\n"); | ||
| 667 | ✗ | memcpy(vui, &backup_vui, sizeof(backup_vui)); | |
| 668 | ✗ | memcpy(gb, &backup, sizeof(backup)); | |
| 669 | ✗ | alt = 1; | |
| 670 | ✗ | goto timing_info; | |
| 671 | } | ||
| 672 | 112 | vui->tiles_fixed_structure_flag = get_bits1(gb); | |
| 673 | 112 | vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb); | |
| 674 | 112 | vui->restricted_ref_pic_lists_flag = get_bits1(gb); | |
| 675 | 112 | vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb); | |
| 676 | 112 | vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb); | |
| 677 | 112 | vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb); | |
| 678 | 112 | vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb); | |
| 679 | 112 | vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb); | |
| 680 | } | ||
| 681 | |||
| 682 |
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|
253 | if (get_bits_left(gb) < 1 && !alt) { |
| 683 | // XXX: Alternate syntax when sps_range_extension_flag != 0? | ||
| 684 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 685 | "Overread in VUI, retrying from timing information...\n"); | ||
| 686 | ✗ | memcpy(vui, &backup_vui, sizeof(backup_vui)); | |
| 687 | ✗ | memcpy(gb, &backup, sizeof(backup)); | |
| 688 | ✗ | alt = 1; | |
| 689 | ✗ | goto timing_info; | |
| 690 | } | ||
| 691 | 253 | } | |
| 692 | |||
| 693 | 511 | static void set_default_scaling_list_data(ScalingList *sl) | |
| 694 | { | ||
| 695 | int matrixId; | ||
| 696 | |||
| 697 |
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|
3577 | for (matrixId = 0; matrixId < 6; matrixId++) { |
| 698 | // 4x4 default is 16 | ||
| 699 | 3066 | memset(sl->sl[0][matrixId], 16, 16); | |
| 700 | 3066 | sl->sl_dc[0][matrixId] = 16; // default for 16x16 | |
| 701 | 3066 | sl->sl_dc[1][matrixId] = 16; // default for 32x32 | |
| 702 | } | ||
| 703 | 511 | memcpy(sl->sl[1][0], default_scaling_list_intra, 64); | |
| 704 | 511 | memcpy(sl->sl[1][1], default_scaling_list_intra, 64); | |
| 705 | 511 | memcpy(sl->sl[1][2], default_scaling_list_intra, 64); | |
| 706 | 511 | memcpy(sl->sl[1][3], default_scaling_list_inter, 64); | |
| 707 | 511 | memcpy(sl->sl[1][4], default_scaling_list_inter, 64); | |
| 708 | 511 | memcpy(sl->sl[1][5], default_scaling_list_inter, 64); | |
| 709 | 511 | memcpy(sl->sl[2][0], default_scaling_list_intra, 64); | |
| 710 | 511 | memcpy(sl->sl[2][1], default_scaling_list_intra, 64); | |
| 711 | 511 | memcpy(sl->sl[2][2], default_scaling_list_intra, 64); | |
| 712 | 511 | memcpy(sl->sl[2][3], default_scaling_list_inter, 64); | |
| 713 | 511 | memcpy(sl->sl[2][4], default_scaling_list_inter, 64); | |
| 714 | 511 | memcpy(sl->sl[2][5], default_scaling_list_inter, 64); | |
| 715 | 511 | memcpy(sl->sl[3][0], default_scaling_list_intra, 64); | |
| 716 | 511 | memcpy(sl->sl[3][1], default_scaling_list_intra, 64); | |
| 717 | 511 | memcpy(sl->sl[3][2], default_scaling_list_intra, 64); | |
| 718 | 511 | memcpy(sl->sl[3][3], default_scaling_list_inter, 64); | |
| 719 | 511 | memcpy(sl->sl[3][4], default_scaling_list_inter, 64); | |
| 720 | 511 | memcpy(sl->sl[3][5], default_scaling_list_inter, 64); | |
| 721 | 511 | } | |
| 722 | |||
| 723 | 495 | static int scaling_list_data(GetBitContext *gb, AVCodecContext *avctx, ScalingList *sl, HEVCSPS *sps) | |
| 724 | { | ||
| 725 | uint8_t scaling_list_pred_mode_flag; | ||
| 726 | uint8_t scaling_list_dc_coef[2][6]; | ||
| 727 | int size_id, matrix_id, pos; | ||
| 728 | int i; | ||
| 729 | |||
| 730 |
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|
2475 | for (size_id = 0; size_id < 4; size_id++) |
| 731 |
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|
11880 | for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) { |
| 732 | 9900 | scaling_list_pred_mode_flag = get_bits1(gb); | |
| 733 |
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|
9900 | if (!scaling_list_pred_mode_flag) { |
| 734 | 3978 | unsigned int delta = get_ue_golomb_long(gb); | |
| 735 | /* Only need to handle non-zero delta. Zero means default, | ||
| 736 | * which should already be in the arrays. */ | ||
| 737 |
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|
3978 | if (delta) { |
| 738 | // Copy from previous array. | ||
| 739 |
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|
3852 | delta *= (size_id == 3) ? 3 : 1; |
| 740 |
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|
3852 | if (matrix_id < delta) { |
| 741 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 742 | "Invalid delta in scaling list data: %d.\n", delta); | ||
| 743 | ✗ | return AVERROR_INVALIDDATA; | |
| 744 | } | ||
| 745 | |||
| 746 |
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|
3852 | memcpy(sl->sl[size_id][matrix_id], |
| 747 | 3852 | sl->sl[size_id][matrix_id - delta], | |
| 748 | size_id > 0 ? 64 : 16); | ||
| 749 |
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|
3852 | if (size_id > 1) |
| 750 | 530 | sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta]; | |
| 751 | } | ||
| 752 | } else { | ||
| 753 | int next_coef, coef_num; | ||
| 754 | int32_t scaling_list_delta_coef; | ||
| 755 | |||
| 756 | 5922 | next_coef = 8; | |
| 757 | 5922 | coef_num = FFMIN(64, 1 << (4 + (size_id << 1))); | |
| 758 |
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|
5922 | if (size_id > 1) { |
| 759 | 3388 | int scaling_list_coeff_minus8 = get_se_golomb(gb); | |
| 760 |
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|
3388 | if (scaling_list_coeff_minus8 < -7 || |
| 761 | scaling_list_coeff_minus8 > 247) | ||
| 762 | ✗ | return AVERROR_INVALIDDATA; | |
| 763 | 3388 | scaling_list_dc_coef[size_id - 2][matrix_id] = scaling_list_coeff_minus8 + 8; | |
| 764 | 3388 | next_coef = scaling_list_dc_coef[size_id - 2][matrix_id]; | |
| 765 | 3388 | sl->sl_dc[size_id - 2][matrix_id] = next_coef; | |
| 766 | } | ||
| 767 |
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|
321186 | for (i = 0; i < coef_num; i++) { |
| 768 |
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|
315264 | if (size_id == 0) |
| 769 | 21248 | pos = 4 * ff_hevc_diag_scan4x4_y[i] + | |
| 770 | 21248 | ff_hevc_diag_scan4x4_x[i]; | |
| 771 | else | ||
| 772 | 294016 | pos = 8 * ff_hevc_diag_scan8x8_y[i] + | |
| 773 | 294016 | ff_hevc_diag_scan8x8_x[i]; | |
| 774 | |||
| 775 | 315264 | scaling_list_delta_coef = get_se_golomb(gb); | |
| 776 | 315264 | next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256; | |
| 777 | 315264 | sl->sl[size_id][matrix_id][pos] = next_coef; | |
| 778 | } | ||
| 779 | } | ||
| 780 | } | ||
| 781 | |||
| 782 |
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|
495 | if (sps->chroma_format_idc == 3) { |
| 783 |
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|
2795 | for (i = 0; i < 64; i++) { |
| 784 | 2752 | sl->sl[3][1][i] = sl->sl[2][1][i]; | |
| 785 | 2752 | sl->sl[3][2][i] = sl->sl[2][2][i]; | |
| 786 | 2752 | sl->sl[3][4][i] = sl->sl[2][4][i]; | |
| 787 | 2752 | sl->sl[3][5][i] = sl->sl[2][5][i]; | |
| 788 | } | ||
| 789 | 43 | sl->sl_dc[1][1] = sl->sl_dc[0][1]; | |
| 790 | 43 | sl->sl_dc[1][2] = sl->sl_dc[0][2]; | |
| 791 | 43 | sl->sl_dc[1][4] = sl->sl_dc[0][4]; | |
| 792 | 43 | sl->sl_dc[1][5] = sl->sl_dc[0][5]; | |
| 793 | } | ||
| 794 | |||
| 795 | |||
| 796 | 495 | return 0; | |
| 797 | } | ||
| 798 | |||
| 799 | 1029 | static int map_pixel_format(AVCodecContext *avctx, HEVCSPS *sps) | |
| 800 | { | ||
| 801 | const AVPixFmtDescriptor *desc; | ||
| 802 |
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|
1029 | switch (sps->bit_depth) { |
| 803 | 895 | case 8: | |
| 804 |
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|
895 | if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8; |
| 805 |
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|
895 | if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P; |
| 806 |
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|
895 | if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P; |
| 807 |
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|
895 | if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P; |
| 808 | 895 | break; | |
| 809 | ✗ | case 9: | |
| 810 | ✗ | if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY9; | |
| 811 | ✗ | if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9; | |
| 812 | ✗ | if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9; | |
| 813 | ✗ | if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9; | |
| 814 | ✗ | break; | |
| 815 | 111 | case 10: | |
| 816 |
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|
111 | if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10; |
| 817 |
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|
111 | if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10; |
| 818 |
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|
111 | if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10; |
| 819 |
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|
111 | if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10; |
| 820 | 111 | break; | |
| 821 | 23 | case 12: | |
| 822 |
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|
23 | if (sps->chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12; |
| 823 |
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|
23 | if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12; |
| 824 |
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|
23 | if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12; |
| 825 |
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|
23 | if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12; |
| 826 | 23 | break; | |
| 827 | ✗ | default: | |
| 828 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 829 | "The following bit-depths are currently specified: 8, 9, 10 and 12 bits, " | ||
| 830 | "chroma_format_idc is %d, depth is %d\n", | ||
| 831 | sps->chroma_format_idc, sps->bit_depth); | ||
| 832 | ✗ | return AVERROR_INVALIDDATA; | |
| 833 | } | ||
| 834 | |||
| 835 | 1029 | desc = av_pix_fmt_desc_get(sps->pix_fmt); | |
| 836 |
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|
1029 | if (!desc) |
| 837 | ✗ | return AVERROR(EINVAL); | |
| 838 | |||
| 839 | 1029 | sps->hshift[0] = sps->vshift[0] = 0; | |
| 840 | 1029 | sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w; | |
| 841 | 1029 | sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h; | |
| 842 | |||
| 843 | 1029 | sps->pixel_shift = sps->bit_depth > 8; | |
| 844 | |||
| 845 | 1029 | return 0; | |
| 846 | } | ||
| 847 | |||
| 848 | 1029 | int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id, | |
| 849 | int apply_defdispwin, AVBufferRef **vps_list, AVCodecContext *avctx) | ||
| 850 | { | ||
| 851 | HEVCWindow *ow; | ||
| 852 | 1029 | int ret = 0; | |
| 853 | int log2_diff_max_min_transform_block_size; | ||
| 854 | int bit_depth_chroma, start, vui_present, sublayer_ordering_info; | ||
| 855 | int i; | ||
| 856 | |||
| 857 | // Coded parameters | ||
| 858 | |||
| 859 | 1029 | sps->vps_id = get_bits(gb, 4); | |
| 860 | |||
| 861 |
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|
1029 | if (vps_list && !vps_list[sps->vps_id]) { |
| 862 | ✗ | av_log(avctx, AV_LOG_ERROR, "VPS %d does not exist\n", | |
| 863 | sps->vps_id); | ||
| 864 | ✗ | return AVERROR_INVALIDDATA; | |
| 865 | } | ||
| 866 | |||
| 867 | 1029 | sps->max_sub_layers = get_bits(gb, 3) + 1; | |
| 868 |
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|
1029 | if (sps->max_sub_layers > HEVC_MAX_SUB_LAYERS) { |
| 869 | ✗ | av_log(avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n", | |
| 870 | sps->max_sub_layers); | ||
| 871 | ✗ | return AVERROR_INVALIDDATA; | |
| 872 | } | ||
| 873 | |||
| 874 | 1029 | sps->temporal_id_nesting_flag = get_bits(gb, 1); | |
| 875 | |||
| 876 |
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|
1029 | if ((ret = parse_ptl(gb, avctx, &sps->ptl, sps->max_sub_layers)) < 0) |
| 877 | ✗ | return ret; | |
| 878 | |||
| 879 | 1029 | *sps_id = get_ue_golomb_long(gb); | |
| 880 |
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|
1029 | if (*sps_id >= HEVC_MAX_SPS_COUNT) { |
| 881 | ✗ | av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", *sps_id); | |
| 882 | ✗ | return AVERROR_INVALIDDATA; | |
| 883 | } | ||
| 884 | |||
| 885 | 1029 | sps->chroma_format_idc = get_ue_golomb_long(gb); | |
| 886 |
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|
1029 | if (sps->chroma_format_idc > 3U) { |
| 887 | ✗ | av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc); | |
| 888 | ✗ | return AVERROR_INVALIDDATA; | |
| 889 | } | ||
| 890 | |||
| 891 |
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|
1029 | if (sps->chroma_format_idc == 3) |
| 892 | 32 | sps->separate_colour_plane_flag = get_bits1(gb); | |
| 893 | |||
| 894 |
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|
1029 | if (sps->separate_colour_plane_flag) |
| 895 | ✗ | sps->chroma_format_idc = 0; | |
| 896 | |||
| 897 | 1029 | sps->width = get_ue_golomb_long(gb); | |
| 898 | 1029 | sps->height = get_ue_golomb_long(gb); | |
| 899 |
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|
1029 | if ((ret = av_image_check_size(sps->width, |
| 900 | 1029 | sps->height, 0, avctx)) < 0) | |
| 901 | ✗ | return ret; | |
| 902 | |||
| 903 |
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|
1029 | if (get_bits1(gb)) { // pic_conformance_flag |
| 904 | 846 | int vert_mult = hevc_sub_height_c[sps->chroma_format_idc]; | |
| 905 | 846 | int horiz_mult = hevc_sub_width_c[sps->chroma_format_idc]; | |
| 906 | 846 | sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * horiz_mult; | |
| 907 | 846 | sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * horiz_mult; | |
| 908 | 846 | sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * vert_mult; | |
| 909 | 846 | sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * vert_mult; | |
| 910 | |||
| 911 |
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846 | if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) { |
| 912 | ✗ | av_log(avctx, AV_LOG_DEBUG, | |
| 913 | "discarding sps conformance window, " | ||
| 914 | "original values are l:%u r:%u t:%u b:%u\n", | ||
| 915 | sps->pic_conf_win.left_offset, | ||
| 916 | sps->pic_conf_win.right_offset, | ||
| 917 | sps->pic_conf_win.top_offset, | ||
| 918 | sps->pic_conf_win.bottom_offset); | ||
| 919 | |||
| 920 | ✗ | sps->pic_conf_win.left_offset = | |
| 921 | ✗ | sps->pic_conf_win.right_offset = | |
| 922 | ✗ | sps->pic_conf_win.top_offset = | |
| 923 | ✗ | sps->pic_conf_win.bottom_offset = 0; | |
| 924 | } | ||
| 925 | 846 | sps->output_window = sps->pic_conf_win; | |
| 926 | } | ||
| 927 | |||
| 928 | 1029 | sps->bit_depth = get_ue_golomb_long(gb) + 8; | |
| 929 | 1029 | bit_depth_chroma = get_ue_golomb_long(gb) + 8; | |
| 930 |
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1029 | if (sps->chroma_format_idc && bit_depth_chroma != sps->bit_depth) { |
| 931 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 932 | "Luma bit depth (%d) is different from chroma bit depth (%d), " | ||
| 933 | "this is unsupported.\n", | ||
| 934 | sps->bit_depth, bit_depth_chroma); | ||
| 935 | ✗ | return AVERROR_INVALIDDATA; | |
| 936 | } | ||
| 937 | 1029 | sps->bit_depth_chroma = bit_depth_chroma; | |
| 938 | |||
| 939 | 1029 | ret = map_pixel_format(avctx, sps); | |
| 940 |
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1029 | if (ret < 0) |
| 941 | ✗ | return ret; | |
| 942 | |||
| 943 | 1029 | sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4; | |
| 944 |
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1029 | if (sps->log2_max_poc_lsb > 16) { |
| 945 | ✗ | av_log(avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n", | |
| 946 | ✗ | sps->log2_max_poc_lsb - 4); | |
| 947 | ✗ | return AVERROR_INVALIDDATA; | |
| 948 | } | ||
| 949 | |||
| 950 | 1029 | sublayer_ordering_info = get_bits1(gb); | |
| 951 |
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1029 | start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1; |
| 952 |
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2205 | for (i = start; i < sps->max_sub_layers; i++) { |
| 953 | 1176 | sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1; | |
| 954 | 1176 | sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb); | |
| 955 | 1176 | sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1; | |
| 956 |
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1176 | if (sps->temporal_layer[i].max_dec_pic_buffering > (unsigned)HEVC_MAX_DPB_SIZE) { |
| 957 | ✗ | av_log(avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n", | |
| 958 | ✗ | sps->temporal_layer[i].max_dec_pic_buffering - 1U); | |
| 959 | ✗ | return AVERROR_INVALIDDATA; | |
| 960 | } | ||
| 961 |
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1176 | if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) { |
| 962 | ✗ | av_log(avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n", | |
| 963 | sps->temporal_layer[i].num_reorder_pics); | ||
| 964 | ✗ | if (avctx->err_recognition & AV_EF_EXPLODE || | |
| 965 | ✗ | sps->temporal_layer[i].num_reorder_pics > HEVC_MAX_DPB_SIZE - 1) { | |
| 966 | ✗ | return AVERROR_INVALIDDATA; | |
| 967 | } | ||
| 968 | ✗ | sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1; | |
| 969 | } | ||
| 970 | } | ||
| 971 | |||
| 972 |
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1029 | if (!sublayer_ordering_info) { |
| 973 |
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|
229 | for (i = 0; i < start; i++) { |
| 974 | 82 | sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering; | |
| 975 | 82 | sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics; | |
| 976 | 82 | sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase; | |
| 977 | } | ||
| 978 | } | ||
| 979 | |||
| 980 | 1029 | sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3; | |
| 981 | 1029 | sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb); | |
| 982 | 1029 | sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2; | |
| 983 | 1029 | log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb); | |
| 984 | 1029 | sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size + | |
| 985 | 1029 | sps->log2_min_tb_size; | |
| 986 | |||
| 987 |
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1029 | if (sps->log2_min_cb_size < 3 || sps->log2_min_cb_size > 30) { |
| 988 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_min_cb_size", sps->log2_min_cb_size); | |
| 989 | ✗ | return AVERROR_INVALIDDATA; | |
| 990 | } | ||
| 991 | |||
| 992 |
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1029 | if (sps->log2_diff_max_min_coding_block_size > 30) { |
| 993 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_coding_block_size", sps->log2_diff_max_min_coding_block_size); | |
| 994 | ✗ | return AVERROR_INVALIDDATA; | |
| 995 | } | ||
| 996 | |||
| 997 |
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1029 | if (sps->log2_min_tb_size >= sps->log2_min_cb_size || sps->log2_min_tb_size < 2) { |
| 998 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size"); | |
| 999 | ✗ | return AVERROR_INVALIDDATA; | |
| 1000 | } | ||
| 1001 | |||
| 1002 |
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1029 | if (log2_diff_max_min_transform_block_size < 0 || log2_diff_max_min_transform_block_size > 30) { |
| 1003 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid value %d for log2_diff_max_min_transform_block_size", log2_diff_max_min_transform_block_size); | |
| 1004 | ✗ | return AVERROR_INVALIDDATA; | |
| 1005 | } | ||
| 1006 | |||
| 1007 | 1029 | sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb); | |
| 1008 | 1029 | sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb); | |
| 1009 | |||
| 1010 | 1029 | sps->scaling_list_enable_flag = get_bits1(gb); | |
| 1011 |
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1029 | if (sps->scaling_list_enable_flag) { |
| 1012 | 42 | set_default_scaling_list_data(&sps->scaling_list); | |
| 1013 | |||
| 1014 |
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|
42 | if (get_bits1(gb)) { |
| 1015 | 26 | ret = scaling_list_data(gb, avctx, &sps->scaling_list, sps); | |
| 1016 |
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26 | if (ret < 0) |
| 1017 | ✗ | return ret; | |
| 1018 | } | ||
| 1019 | } | ||
| 1020 | |||
| 1021 | 1029 | sps->amp_enabled_flag = get_bits1(gb); | |
| 1022 | 1029 | sps->sao_enabled = get_bits1(gb); | |
| 1023 | |||
| 1024 | 1029 | sps->pcm_enabled_flag = get_bits1(gb); | |
| 1025 |
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1029 | if (sps->pcm_enabled_flag) { |
| 1026 | 75 | sps->pcm.bit_depth = get_bits(gb, 4) + 1; | |
| 1027 | 75 | sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1; | |
| 1028 | 75 | sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3; | |
| 1029 | 150 | sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size + | |
| 1030 | 75 | get_ue_golomb_long(gb); | |
| 1031 |
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75 | if (FFMAX(sps->pcm.bit_depth, sps->pcm.bit_depth_chroma) > sps->bit_depth) { |
| 1032 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1033 | "PCM bit depth (%d, %d) is greater than normal bit depth (%d)\n", | ||
| 1034 | ✗ | sps->pcm.bit_depth, sps->pcm.bit_depth_chroma, sps->bit_depth); | |
| 1035 | ✗ | return AVERROR_INVALIDDATA; | |
| 1036 | } | ||
| 1037 | |||
| 1038 | 75 | sps->pcm.loop_filter_disable_flag = get_bits1(gb); | |
| 1039 | } | ||
| 1040 | |||
| 1041 | 1029 | sps->nb_st_rps = get_ue_golomb_long(gb); | |
| 1042 |
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1029 | if (sps->nb_st_rps > HEVC_MAX_SHORT_TERM_REF_PIC_SETS) { |
| 1043 | ✗ | av_log(avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n", | |
| 1044 | sps->nb_st_rps); | ||
| 1045 | ✗ | return AVERROR_INVALIDDATA; | |
| 1046 | } | ||
| 1047 |
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10144 | for (i = 0; i < sps->nb_st_rps; i++) { |
| 1048 |
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9115 | if ((ret = ff_hevc_decode_short_term_rps(gb, avctx, &sps->st_rps[i], |
| 1049 | sps, 0)) < 0) | ||
| 1050 | ✗ | return ret; | |
| 1051 | } | ||
| 1052 | |||
| 1053 | 1029 | sps->long_term_ref_pics_present_flag = get_bits1(gb); | |
| 1054 |
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1029 | if (sps->long_term_ref_pics_present_flag) { |
| 1055 | 101 | sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb); | |
| 1056 |
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101 | if (sps->num_long_term_ref_pics_sps > HEVC_MAX_LONG_TERM_REF_PICS) { |
| 1057 | ✗ | av_log(avctx, AV_LOG_ERROR, "Too many long term ref pics: %d.\n", | |
| 1058 | ✗ | sps->num_long_term_ref_pics_sps); | |
| 1059 | ✗ | return AVERROR_INVALIDDATA; | |
| 1060 | } | ||
| 1061 |
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|
165 | for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) { |
| 1062 | 64 | sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb); | |
| 1063 | 64 | sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb); | |
| 1064 | } | ||
| 1065 | } | ||
| 1066 | |||
| 1067 | 1029 | sps->sps_temporal_mvp_enabled_flag = get_bits1(gb); | |
| 1068 | 1029 | sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb); | |
| 1069 | 1029 | sps->vui.common.sar = (AVRational){0, 1}; | |
| 1070 | 1029 | vui_present = get_bits1(gb); | |
| 1071 |
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1029 | if (vui_present) |
| 1072 | 253 | decode_vui(gb, avctx, apply_defdispwin, sps); | |
| 1073 | |||
| 1074 |
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1029 | if (get_bits1(gb)) { // sps_extension_flag |
| 1075 | 76 | sps->sps_range_extension_flag = get_bits1(gb); | |
| 1076 | 76 | skip_bits(gb, 7); //sps_extension_7bits = get_bits(gb, 7); | |
| 1077 |
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76 | if (sps->sps_range_extension_flag) { |
| 1078 | 56 | sps->transform_skip_rotation_enabled_flag = get_bits1(gb); | |
| 1079 | 56 | sps->transform_skip_context_enabled_flag = get_bits1(gb); | |
| 1080 | 56 | sps->implicit_rdpcm_enabled_flag = get_bits1(gb); | |
| 1081 | |||
| 1082 | 56 | sps->explicit_rdpcm_enabled_flag = get_bits1(gb); | |
| 1083 | |||
| 1084 | 56 | sps->extended_precision_processing_flag = get_bits1(gb); | |
| 1085 |
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56 | if (sps->extended_precision_processing_flag) |
| 1086 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 1087 | "extended_precision_processing_flag not yet implemented\n"); | ||
| 1088 | |||
| 1089 | 56 | sps->intra_smoothing_disabled_flag = get_bits1(gb); | |
| 1090 | 56 | sps->high_precision_offsets_enabled_flag = get_bits1(gb); | |
| 1091 |
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56 | if (sps->high_precision_offsets_enabled_flag) |
| 1092 | 38 | av_log(avctx, AV_LOG_WARNING, | |
| 1093 | "high_precision_offsets_enabled_flag not yet implemented\n"); | ||
| 1094 | |||
| 1095 | 56 | sps->persistent_rice_adaptation_enabled_flag = get_bits1(gb); | |
| 1096 | |||
| 1097 | 56 | sps->cabac_bypass_alignment_enabled_flag = get_bits1(gb); | |
| 1098 |
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56 | if (sps->cabac_bypass_alignment_enabled_flag) |
| 1099 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 1100 | "cabac_bypass_alignment_enabled_flag not yet implemented\n"); | ||
| 1101 | } | ||
| 1102 | } | ||
| 1103 |
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|
1029 | if (apply_defdispwin) { |
| 1104 | 421 | sps->output_window.left_offset += sps->vui.def_disp_win.left_offset; | |
| 1105 | 421 | sps->output_window.right_offset += sps->vui.def_disp_win.right_offset; | |
| 1106 | 421 | sps->output_window.top_offset += sps->vui.def_disp_win.top_offset; | |
| 1107 | 421 | sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset; | |
| 1108 | } | ||
| 1109 | |||
| 1110 | 1029 | ow = &sps->output_window; | |
| 1111 |
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1029 | if (ow->left_offset >= INT_MAX - ow->right_offset || |
| 1112 |
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1029 | ow->top_offset >= INT_MAX - ow->bottom_offset || |
| 1113 |
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1029 | ow->left_offset + ow->right_offset >= sps->width || |
| 1114 |
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1029 | ow->top_offset + ow->bottom_offset >= sps->height) { |
| 1115 | ✗ | av_log(avctx, AV_LOG_WARNING, "Invalid cropping offsets: %u/%u/%u/%u\n", | |
| 1116 | ow->left_offset, ow->right_offset, ow->top_offset, ow->bottom_offset); | ||
| 1117 | ✗ | if (avctx->err_recognition & AV_EF_EXPLODE) { | |
| 1118 | ✗ | return AVERROR_INVALIDDATA; | |
| 1119 | } | ||
| 1120 | ✗ | av_log(avctx, AV_LOG_WARNING, | |
| 1121 | "Displaying the whole video surface.\n"); | ||
| 1122 | ✗ | memset(ow, 0, sizeof(*ow)); | |
| 1123 | ✗ | memset(&sps->pic_conf_win, 0, sizeof(sps->pic_conf_win)); | |
| 1124 | } | ||
| 1125 | |||
| 1126 | // Inferred parameters | ||
| 1127 | 1029 | sps->log2_ctb_size = sps->log2_min_cb_size + | |
| 1128 | 1029 | sps->log2_diff_max_min_coding_block_size; | |
| 1129 | 1029 | sps->log2_min_pu_size = sps->log2_min_cb_size - 1; | |
| 1130 | |||
| 1131 |
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1029 | if (sps->log2_ctb_size > HEVC_MAX_LOG2_CTB_SIZE) { |
| 1132 | ✗ | av_log(avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size); | |
| 1133 | ✗ | return AVERROR_INVALIDDATA; | |
| 1134 | } | ||
| 1135 |
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1029 | if (sps->log2_ctb_size < 4) { |
| 1136 | ✗ | av_log(avctx, | |
| 1137 | AV_LOG_ERROR, | ||
| 1138 | "log2_ctb_size %d differs from the bounds of any known profile\n", | ||
| 1139 | sps->log2_ctb_size); | ||
| 1140 | ✗ | avpriv_request_sample(avctx, "log2_ctb_size %d", sps->log2_ctb_size); | |
| 1141 | ✗ | return AVERROR_INVALIDDATA; | |
| 1142 | } | ||
| 1143 | |||
| 1144 | 1029 | sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size; | |
| 1145 | 1029 | sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size; | |
| 1146 | 1029 | sps->ctb_size = sps->ctb_width * sps->ctb_height; | |
| 1147 | |||
| 1148 | 1029 | sps->min_cb_width = sps->width >> sps->log2_min_cb_size; | |
| 1149 | 1029 | sps->min_cb_height = sps->height >> sps->log2_min_cb_size; | |
| 1150 | 1029 | sps->min_tb_width = sps->width >> sps->log2_min_tb_size; | |
| 1151 | 1029 | sps->min_tb_height = sps->height >> sps->log2_min_tb_size; | |
| 1152 | 1029 | sps->min_pu_width = sps->width >> sps->log2_min_pu_size; | |
| 1153 | 1029 | sps->min_pu_height = sps->height >> sps->log2_min_pu_size; | |
| 1154 | 1029 | sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1; | |
| 1155 | |||
| 1156 | 1029 | sps->qp_bd_offset = 6 * (sps->bit_depth - 8); | |
| 1157 | |||
| 1158 |
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1029 | if (av_mod_uintp2(sps->width, sps->log2_min_cb_size) || |
| 1159 |
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1029 | av_mod_uintp2(sps->height, sps->log2_min_cb_size)) { |
| 1160 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n"); | |
| 1161 | ✗ | return AVERROR_INVALIDDATA; | |
| 1162 | } | ||
| 1163 | |||
| 1164 |
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1029 | if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_tb_size) { |
| 1165 | ✗ | av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n", | |
| 1166 | sps->max_transform_hierarchy_depth_inter); | ||
| 1167 | ✗ | return AVERROR_INVALIDDATA; | |
| 1168 | } | ||
| 1169 |
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1029 | if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_tb_size) { |
| 1170 | ✗ | av_log(avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n", | |
| 1171 | sps->max_transform_hierarchy_depth_intra); | ||
| 1172 | ✗ | return AVERROR_INVALIDDATA; | |
| 1173 | } | ||
| 1174 |
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|
1029 | if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) { |
| 1175 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1176 | "max transform block size out of range: %d\n", | ||
| 1177 | sps->log2_max_trafo_size); | ||
| 1178 | ✗ | return AVERROR_INVALIDDATA; | |
| 1179 | } | ||
| 1180 | |||
| 1181 |
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|
1029 | if (get_bits_left(gb) < 0) { |
| 1182 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1183 | ✗ | "Overread SPS by %d bits\n", -get_bits_left(gb)); | |
| 1184 | ✗ | return AVERROR_INVALIDDATA; | |
| 1185 | } | ||
| 1186 | |||
| 1187 | 1029 | return 0; | |
| 1188 | } | ||
| 1189 | |||
| 1190 | 1029 | int ff_hevc_decode_nal_sps(GetBitContext *gb, AVCodecContext *avctx, | |
| 1191 | HEVCParamSets *ps, int apply_defdispwin) | ||
| 1192 | { | ||
| 1193 | HEVCSPS *sps; | ||
| 1194 | 1029 | AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps)); | |
| 1195 | unsigned int sps_id; | ||
| 1196 | int ret; | ||
| 1197 | ptrdiff_t nal_size; | ||
| 1198 | |||
| 1199 |
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|
1029 | if (!sps_buf) |
| 1200 | ✗ | return AVERROR(ENOMEM); | |
| 1201 | 1029 | sps = (HEVCSPS*)sps_buf->data; | |
| 1202 | |||
| 1203 | 1029 | av_log(avctx, AV_LOG_DEBUG, "Decoding SPS\n"); | |
| 1204 | |||
| 1205 | 1029 | nal_size = gb->buffer_end - gb->buffer; | |
| 1206 |
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|
1029 | if (nal_size > sizeof(sps->data)) { |
| 1207 | ✗ | av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized SPS " | |
| 1208 | "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n", | ||
| 1209 | nal_size, sizeof(sps->data)); | ||
| 1210 | ✗ | sps->data_size = sizeof(sps->data); | |
| 1211 | } else { | ||
| 1212 | 1029 | sps->data_size = nal_size; | |
| 1213 | } | ||
| 1214 | 1029 | memcpy(sps->data, gb->buffer, sps->data_size); | |
| 1215 | |||
| 1216 | 1029 | ret = ff_hevc_parse_sps(sps, gb, &sps_id, | |
| 1217 | apply_defdispwin, | ||
| 1218 | 1029 | ps->vps_list, avctx); | |
| 1219 |
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|
1029 | if (ret < 0) { |
| 1220 | ✗ | av_buffer_unref(&sps_buf); | |
| 1221 | ✗ | return ret; | |
| 1222 | } | ||
| 1223 | |||
| 1224 |
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|
1029 | if (avctx->debug & FF_DEBUG_BITSTREAM) { |
| 1225 | ✗ | av_log(avctx, AV_LOG_DEBUG, | |
| 1226 | "Parsed SPS: id %d; coded wxh: %dx%d; " | ||
| 1227 | "cropped wxh: %dx%d; pix_fmt: %s.\n", | ||
| 1228 | sps_id, sps->width, sps->height, | ||
| 1229 | ✗ | sps->width - (sps->output_window.left_offset + sps->output_window.right_offset), | |
| 1230 | ✗ | sps->height - (sps->output_window.top_offset + sps->output_window.bottom_offset), | |
| 1231 | av_get_pix_fmt_name(sps->pix_fmt)); | ||
| 1232 | } | ||
| 1233 | |||
| 1234 | /* check if this is a repeat of an already parsed SPS, then keep the | ||
| 1235 | * original one. | ||
| 1236 | * otherwise drop all PPSes that depend on it */ | ||
| 1237 |
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|
1029 | if (ps->sps_list[sps_id] && |
| 1238 |
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|
433 | !memcmp(ps->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) { |
| 1239 | 425 | av_buffer_unref(&sps_buf); | |
| 1240 | } else { | ||
| 1241 | 604 | remove_sps(ps, sps_id); | |
| 1242 | 604 | ps->sps_list[sps_id] = sps_buf; | |
| 1243 | } | ||
| 1244 | |||
| 1245 | 1029 | return 0; | |
| 1246 | } | ||
| 1247 | |||
| 1248 | 3250 | static void hevc_pps_free(void *opaque, uint8_t *data) | |
| 1249 | { | ||
| 1250 | 3250 | HEVCPPS *pps = (HEVCPPS*)data; | |
| 1251 | |||
| 1252 | 3250 | av_freep(&pps->column_width); | |
| 1253 | 3250 | av_freep(&pps->row_height); | |
| 1254 | 3250 | av_freep(&pps->col_bd); | |
| 1255 | 3250 | av_freep(&pps->row_bd); | |
| 1256 | 3250 | av_freep(&pps->col_idxX); | |
| 1257 | 3250 | av_freep(&pps->ctb_addr_rs_to_ts); | |
| 1258 | 3250 | av_freep(&pps->ctb_addr_ts_to_rs); | |
| 1259 | 3250 | av_freep(&pps->tile_pos_rs); | |
| 1260 | 3250 | av_freep(&pps->tile_id); | |
| 1261 | 3250 | av_freep(&pps->min_tb_addr_zs_tab); | |
| 1262 | |||
| 1263 | 3250 | av_freep(&pps); | |
| 1264 | 3250 | } | |
| 1265 | |||
| 1266 | 76 | static int pps_range_extensions(GetBitContext *gb, AVCodecContext *avctx, | |
| 1267 | HEVCPPS *pps, HEVCSPS *sps) { | ||
| 1268 | int i; | ||
| 1269 | |||
| 1270 |
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|
76 | if (pps->transform_skip_enabled_flag) { |
| 1271 | 76 | pps->log2_max_transform_skip_block_size = get_ue_golomb_long(gb) + 2; | |
| 1272 | } | ||
| 1273 | 76 | pps->cross_component_prediction_enabled_flag = get_bits1(gb); | |
| 1274 | 76 | pps->chroma_qp_offset_list_enabled_flag = get_bits1(gb); | |
| 1275 |
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|
76 | if (pps->chroma_qp_offset_list_enabled_flag) { |
| 1276 | 10 | pps->diff_cu_chroma_qp_offset_depth = get_ue_golomb_long(gb); | |
| 1277 | 10 | pps->chroma_qp_offset_list_len_minus1 = get_ue_golomb_long(gb); | |
| 1278 |
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|
10 | if (pps->chroma_qp_offset_list_len_minus1 > 5) { |
| 1279 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1280 | "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n"); | ||
| 1281 | ✗ | return AVERROR_INVALIDDATA; | |
| 1282 | } | ||
| 1283 |
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|
20 | for (i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) { |
| 1284 | 10 | pps->cb_qp_offset_list[i] = get_se_golomb_long(gb); | |
| 1285 |
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|
10 | if (pps->cb_qp_offset_list[i]) { |
| 1286 | 10 | av_log(avctx, AV_LOG_WARNING, | |
| 1287 | "cb_qp_offset_list not tested yet.\n"); | ||
| 1288 | } | ||
| 1289 | 10 | pps->cr_qp_offset_list[i] = get_se_golomb_long(gb); | |
| 1290 |
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|
10 | if (pps->cr_qp_offset_list[i]) { |
| 1291 | 10 | av_log(avctx, AV_LOG_WARNING, | |
| 1292 | "cb_qp_offset_list not tested yet.\n"); | ||
| 1293 | } | ||
| 1294 | } | ||
| 1295 | } | ||
| 1296 | 76 | pps->log2_sao_offset_scale_luma = get_ue_golomb_long(gb); | |
| 1297 | 76 | pps->log2_sao_offset_scale_chroma = get_ue_golomb_long(gb); | |
| 1298 | |||
| 1299 |
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76 | if ( pps->log2_sao_offset_scale_luma > FFMAX(sps->bit_depth - 10, 0) |
| 1300 |
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|
76 | || pps->log2_sao_offset_scale_chroma > FFMAX(sps->bit_depth_chroma - 10, 0) |
| 1301 | ) | ||
| 1302 | ✗ | return AVERROR_INVALIDDATA; | |
| 1303 | |||
| 1304 | 76 | return(0); | |
| 1305 | } | ||
| 1306 | |||
| 1307 | 3246 | static inline int setup_pps(AVCodecContext *avctx, GetBitContext *gb, | |
| 1308 | HEVCPPS *pps, HEVCSPS *sps) | ||
| 1309 | { | ||
| 1310 | int log2_diff; | ||
| 1311 | int pic_area_in_ctbs; | ||
| 1312 | int i, j, x, y, ctb_addr_rs, tile_id; | ||
| 1313 | |||
| 1314 | // Inferred parameters | ||
| 1315 | 3246 | pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd)); | |
| 1316 | 3246 | pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd)); | |
| 1317 | 3246 | pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX)); | |
| 1318 |
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|
3246 | if (!pps->col_bd || !pps->row_bd || !pps->col_idxX) |
| 1319 | ✗ | return AVERROR(ENOMEM); | |
| 1320 | |||
| 1321 |
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|
3246 | if (pps->uniform_spacing_flag) { |
| 1322 |
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|
2714 | if (!pps->column_width) { |
| 1323 | 2338 | pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width)); | |
| 1324 | 2338 | pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height)); | |
| 1325 | } | ||
| 1326 |
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2714 | if (!pps->column_width || !pps->row_height) |
| 1327 | ✗ | return AVERROR(ENOMEM); | |
| 1328 | |||
| 1329 |
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5695 | for (i = 0; i < pps->num_tile_columns; i++) { |
| 1330 | 2981 | pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns - | |
| 1331 | 2981 | (i * sps->ctb_width) / pps->num_tile_columns; | |
| 1332 | } | ||
| 1333 | |||
| 1334 |
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5726 | for (i = 0; i < pps->num_tile_rows; i++) { |
| 1335 | 3012 | pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows - | |
| 1336 | 3012 | (i * sps->ctb_height) / pps->num_tile_rows; | |
| 1337 | } | ||
| 1338 | } | ||
| 1339 | |||
| 1340 | 3246 | pps->col_bd[0] = 0; | |
| 1341 |
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8835 | for (i = 0; i < pps->num_tile_columns; i++) |
| 1342 | 5589 | pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i]; | |
| 1343 | |||
| 1344 | 3246 | pps->row_bd[0] = 0; | |
| 1345 |
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8852 | for (i = 0; i < pps->num_tile_rows; i++) |
| 1346 | 5606 | pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i]; | |
| 1347 | |||
| 1348 |
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60189 | for (i = 0, j = 0; i < sps->ctb_width; i++) { |
| 1349 |
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|
56943 | if (i > pps->col_bd[j]) |
| 1350 | 5575 | j++; | |
| 1351 | 56943 | pps->col_idxX[i] = j; | |
| 1352 | } | ||
| 1353 | |||
| 1354 | /** | ||
| 1355 | * 6.5 | ||
| 1356 | */ | ||
| 1357 | 3246 | pic_area_in_ctbs = sps->ctb_width * sps->ctb_height; | |
| 1358 | |||
| 1359 | 3246 | pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts)); | |
| 1360 | 3246 | pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs)); | |
| 1361 | 3246 | pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id)); | |
| 1362 | 3246 | pps->min_tb_addr_zs_tab = av_malloc_array((sps->tb_mask+2) * (sps->tb_mask+2), sizeof(*pps->min_tb_addr_zs_tab)); | |
| 1363 |
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3246 | if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs || |
| 1364 |
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3246 | !pps->tile_id || !pps->min_tb_addr_zs_tab) { |
| 1365 | ✗ | return AVERROR(ENOMEM); | |
| 1366 | } | ||
| 1367 | |||
| 1368 |
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|
830253 | for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) { |
| 1369 | 827007 | int tb_x = ctb_addr_rs % sps->ctb_width; | |
| 1370 | 827007 | int tb_y = ctb_addr_rs / sps->ctb_width; | |
| 1371 | 827007 | int tile_x = 0; | |
| 1372 | 827007 | int tile_y = 0; | |
| 1373 | 827007 | int val = 0; | |
| 1374 | |||
| 1375 |
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1397741 | for (i = 0; i < pps->num_tile_columns; i++) { |
| 1376 |
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1397741 | if (tb_x < pps->col_bd[i + 1]) { |
| 1377 | 827007 | tile_x = i; | |
| 1378 | 827007 | break; | |
| 1379 | } | ||
| 1380 | } | ||
| 1381 | |||
| 1382 |
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1246473 | for (i = 0; i < pps->num_tile_rows; i++) { |
| 1383 |
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1246473 | if (tb_y < pps->row_bd[i + 1]) { |
| 1384 | 827007 | tile_y = i; | |
| 1385 | 827007 | break; | |
| 1386 | } | ||
| 1387 | } | ||
| 1388 | |||
| 1389 |
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1397741 | for (i = 0; i < tile_x; i++) |
| 1390 | 570734 | val += pps->row_height[tile_y] * pps->column_width[i]; | |
| 1391 |
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1246473 | for (i = 0; i < tile_y; i++) |
| 1392 | 419466 | val += sps->ctb_width * pps->row_height[i]; | |
| 1393 | |||
| 1394 | 827007 | val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] + | |
| 1395 | 827007 | tb_x - pps->col_bd[tile_x]; | |
| 1396 | |||
| 1397 | 827007 | pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val; | |
| 1398 | 827007 | pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs; | |
| 1399 | } | ||
| 1400 | |||
| 1401 |
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8852 | for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++) |
| 1402 |
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21856 | for (i = 0; i < pps->num_tile_columns; i++, tile_id++) |
| 1403 |
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94957 | for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++) |
| 1404 |
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|
905714 | for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++) |
| 1405 | 827007 | pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id; | |
| 1406 | |||
| 1407 | 3246 | pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs)); | |
| 1408 |
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3246 | if (!pps->tile_pos_rs) |
| 1409 | ✗ | return AVERROR(ENOMEM); | |
| 1410 | |||
| 1411 |
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8852 | for (j = 0; j < pps->num_tile_rows; j++) |
| 1412 |
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21856 | for (i = 0; i < pps->num_tile_columns; i++) |
| 1413 | 16250 | pps->tile_pos_rs[j * pps->num_tile_columns + i] = | |
| 1414 | 16250 | pps->row_bd[j] * sps->ctb_width + pps->col_bd[i]; | |
| 1415 | |||
| 1416 | 3246 | log2_diff = sps->log2_ctb_size - sps->log2_min_tb_size; | |
| 1417 | 3246 | pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1]; | |
| 1418 |
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57116 | for (y = 0; y < sps->tb_mask+2; y++) { |
| 1419 | 53870 | pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1; | |
| 1420 | 53870 | pps->min_tb_addr_zs_tab[y] = -1; | |
| 1421 | } | ||
| 1422 |
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53870 | for (y = 0; y < sps->tb_mask+1; y++) { |
| 1423 |
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852416 | for (x = 0; x < sps->tb_mask+1; x++) { |
| 1424 | 801792 | int tb_x = x >> log2_diff; | |
| 1425 | 801792 | int tb_y = y >> log2_diff; | |
| 1426 | 801792 | int rs = sps->ctb_width * tb_y + tb_x; | |
| 1427 | 801792 | int val = pps->ctb_addr_rs_to_ts[rs] << (log2_diff * 2); | |
| 1428 |
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4001536 | for (i = 0; i < log2_diff; i++) { |
| 1429 | 3199744 | int m = 1 << i; | |
| 1430 |
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3199744 | val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0); |
| 1431 | } | ||
| 1432 | 801792 | pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val; | |
| 1433 | } | ||
| 1434 | } | ||
| 1435 | |||
| 1436 | 3246 | return 0; | |
| 1437 | } | ||
| 1438 | |||
| 1439 | 3250 | int ff_hevc_decode_nal_pps(GetBitContext *gb, AVCodecContext *avctx, | |
| 1440 | HEVCParamSets *ps) | ||
| 1441 | { | ||
| 1442 | 3250 | HEVCSPS *sps = NULL; | |
| 1443 | 3250 | int i, ret = 0; | |
| 1444 | 3250 | unsigned int pps_id = 0; | |
| 1445 | ptrdiff_t nal_size; | ||
| 1446 | unsigned log2_parallel_merge_level_minus2; | ||
| 1447 | |||
| 1448 | AVBufferRef *pps_buf; | ||
| 1449 | 3250 | HEVCPPS *pps = av_mallocz(sizeof(*pps)); | |
| 1450 | |||
| 1451 |
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|
3250 | if (!pps) |
| 1452 | ✗ | return AVERROR(ENOMEM); | |
| 1453 | |||
| 1454 | 3250 | pps_buf = av_buffer_create((uint8_t *)pps, sizeof(*pps), | |
| 1455 | hevc_pps_free, NULL, 0); | ||
| 1456 |
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|
3250 | if (!pps_buf) { |
| 1457 | ✗ | av_freep(&pps); | |
| 1458 | ✗ | return AVERROR(ENOMEM); | |
| 1459 | } | ||
| 1460 | |||
| 1461 | 3250 | av_log(avctx, AV_LOG_DEBUG, "Decoding PPS\n"); | |
| 1462 | |||
| 1463 | 3250 | nal_size = gb->buffer_end - gb->buffer; | |
| 1464 |
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3250 | if (nal_size > sizeof(pps->data)) { |
| 1465 | ✗ | av_log(avctx, AV_LOG_WARNING, "Truncating likely oversized PPS " | |
| 1466 | "(%"PTRDIFF_SPECIFIER" > %"SIZE_SPECIFIER")\n", | ||
| 1467 | nal_size, sizeof(pps->data)); | ||
| 1468 | ✗ | pps->data_size = sizeof(pps->data); | |
| 1469 | } else { | ||
| 1470 | 3250 | pps->data_size = nal_size; | |
| 1471 | } | ||
| 1472 | 3250 | memcpy(pps->data, gb->buffer, pps->data_size); | |
| 1473 | |||
| 1474 | // Default values | ||
| 1475 | 3250 | pps->loop_filter_across_tiles_enabled_flag = 1; | |
| 1476 | 3250 | pps->num_tile_columns = 1; | |
| 1477 | 3250 | pps->num_tile_rows = 1; | |
| 1478 | 3250 | pps->uniform_spacing_flag = 1; | |
| 1479 | 3250 | pps->disable_dbf = 0; | |
| 1480 | 3250 | pps->beta_offset = 0; | |
| 1481 | 3250 | pps->tc_offset = 0; | |
| 1482 | 3250 | pps->log2_max_transform_skip_block_size = 2; | |
| 1483 | |||
| 1484 | // Coded parameters | ||
| 1485 | 3250 | pps_id = get_ue_golomb_long(gb); | |
| 1486 |
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|
3250 | if (pps_id >= HEVC_MAX_PPS_COUNT) { |
| 1487 | ✗ | av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id); | |
| 1488 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1489 | ✗ | goto err; | |
| 1490 | } | ||
| 1491 | 3250 | pps->sps_id = get_ue_golomb_long(gb); | |
| 1492 |
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|
3250 | if (pps->sps_id >= HEVC_MAX_SPS_COUNT) { |
| 1493 | ✗ | av_log(avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id); | |
| 1494 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1495 | ✗ | goto err; | |
| 1496 | } | ||
| 1497 |
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|
3250 | if (!ps->sps_list[pps->sps_id]) { |
| 1498 | 4 | av_log(avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id); | |
| 1499 | 4 | ret = AVERROR_INVALIDDATA; | |
| 1500 | 4 | goto err; | |
| 1501 | } | ||
| 1502 | 3246 | sps = (HEVCSPS *)ps->sps_list[pps->sps_id]->data; | |
| 1503 | |||
| 1504 | 3246 | pps->dependent_slice_segments_enabled_flag = get_bits1(gb); | |
| 1505 | 3246 | pps->output_flag_present_flag = get_bits1(gb); | |
| 1506 | 3246 | pps->num_extra_slice_header_bits = get_bits(gb, 3); | |
| 1507 | |||
| 1508 | 3246 | pps->sign_data_hiding_flag = get_bits1(gb); | |
| 1509 | |||
| 1510 | 3246 | pps->cabac_init_present_flag = get_bits1(gb); | |
| 1511 | |||
| 1512 | 3246 | pps->num_ref_idx_l0_default_active = get_ue_golomb_long(gb) + 1; | |
| 1513 | 3246 | pps->num_ref_idx_l1_default_active = get_ue_golomb_long(gb) + 1; | |
| 1514 | |||
| 1515 | 3246 | pps->pic_init_qp_minus26 = get_se_golomb(gb); | |
| 1516 | |||
| 1517 | 3246 | pps->constrained_intra_pred_flag = get_bits1(gb); | |
| 1518 | 3246 | pps->transform_skip_enabled_flag = get_bits1(gb); | |
| 1519 | |||
| 1520 | 3246 | pps->cu_qp_delta_enabled_flag = get_bits1(gb); | |
| 1521 | 3246 | pps->diff_cu_qp_delta_depth = 0; | |
| 1522 |
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|
3246 | if (pps->cu_qp_delta_enabled_flag) |
| 1523 | 527 | pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb); | |
| 1524 | |||
| 1525 |
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|
3246 | if (pps->diff_cu_qp_delta_depth < 0 || |
| 1526 |
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|
3246 | pps->diff_cu_qp_delta_depth > sps->log2_diff_max_min_coding_block_size) { |
| 1527 | ✗ | av_log(avctx, AV_LOG_ERROR, "diff_cu_qp_delta_depth %d is invalid\n", | |
| 1528 | ✗ | pps->diff_cu_qp_delta_depth); | |
| 1529 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1530 | ✗ | goto err; | |
| 1531 | } | ||
| 1532 | |||
| 1533 | 3246 | pps->cb_qp_offset = get_se_golomb(gb); | |
| 1534 |
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|
3246 | if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) { |
| 1535 | ✗ | av_log(avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n", | |
| 1536 | ✗ | pps->cb_qp_offset); | |
| 1537 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1538 | ✗ | goto err; | |
| 1539 | } | ||
| 1540 | 3246 | pps->cr_qp_offset = get_se_golomb(gb); | |
| 1541 |
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|
3246 | if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) { |
| 1542 | ✗ | av_log(avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n", | |
| 1543 | ✗ | pps->cr_qp_offset); | |
| 1544 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1545 | ✗ | goto err; | |
| 1546 | } | ||
| 1547 | 3246 | pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb); | |
| 1548 | |||
| 1549 | 3246 | pps->weighted_pred_flag = get_bits1(gb); | |
| 1550 | 3246 | pps->weighted_bipred_flag = get_bits1(gb); | |
| 1551 | |||
| 1552 | 3246 | pps->transquant_bypass_enable_flag = get_bits1(gb); | |
| 1553 | 3246 | pps->tiles_enabled_flag = get_bits1(gb); | |
| 1554 | 3246 | pps->entropy_coding_sync_enabled_flag = get_bits1(gb); | |
| 1555 | |||
| 1556 |
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|
3246 | if (pps->tiles_enabled_flag) { |
| 1557 | 908 | int num_tile_columns_minus1 = get_ue_golomb(gb); | |
| 1558 | 908 | int num_tile_rows_minus1 = get_ue_golomb(gb); | |
| 1559 | |||
| 1560 |
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|
908 | if (num_tile_columns_minus1 < 0 || |
| 1561 |
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|
908 | num_tile_columns_minus1 >= sps->ctb_width) { |
| 1562 | ✗ | av_log(avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n", | |
| 1563 | num_tile_columns_minus1); | ||
| 1564 | ✗ | ret = num_tile_columns_minus1 < 0 ? num_tile_columns_minus1 : AVERROR_INVALIDDATA; | |
| 1565 | ✗ | goto err; | |
| 1566 | } | ||
| 1567 |
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|
908 | if (num_tile_rows_minus1 < 0 || |
| 1568 |
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|
908 | num_tile_rows_minus1 >= sps->ctb_height) { |
| 1569 | ✗ | av_log(avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n", | |
| 1570 | num_tile_rows_minus1); | ||
| 1571 | ✗ | ret = num_tile_rows_minus1 < 0 ? num_tile_rows_minus1 : AVERROR_INVALIDDATA; | |
| 1572 | ✗ | goto err; | |
| 1573 | } | ||
| 1574 | 908 | pps->num_tile_columns = num_tile_columns_minus1 + 1; | |
| 1575 | 908 | pps->num_tile_rows = num_tile_rows_minus1 + 1; | |
| 1576 | |||
| 1577 | 908 | pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width)); | |
| 1578 | 908 | pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height)); | |
| 1579 |
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|
908 | if (!pps->column_width || !pps->row_height) { |
| 1580 | ✗ | ret = AVERROR(ENOMEM); | |
| 1581 | ✗ | goto err; | |
| 1582 | } | ||
| 1583 | |||
| 1584 | 908 | pps->uniform_spacing_flag = get_bits1(gb); | |
| 1585 |
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|
908 | if (!pps->uniform_spacing_flag) { |
| 1586 | 532 | uint64_t sum = 0; | |
| 1587 |
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|
2608 | for (i = 0; i < pps->num_tile_columns - 1; i++) { |
| 1588 | 2076 | pps->column_width[i] = get_ue_golomb_long(gb) + 1; | |
| 1589 | 2076 | sum += pps->column_width[i]; | |
| 1590 | } | ||
| 1591 |
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|
532 | if (sum >= sps->ctb_width) { |
| 1592 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid tile widths.\n"); | |
| 1593 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1594 | ✗ | goto err; | |
| 1595 | } | ||
| 1596 | 532 | pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum; | |
| 1597 | |||
| 1598 | 532 | sum = 0; | |
| 1599 |
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|
2594 | for (i = 0; i < pps->num_tile_rows - 1; i++) { |
| 1600 | 2062 | pps->row_height[i] = get_ue_golomb_long(gb) + 1; | |
| 1601 | 2062 | sum += pps->row_height[i]; | |
| 1602 | } | ||
| 1603 |
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|
532 | if (sum >= sps->ctb_height) { |
| 1604 | ✗ | av_log(avctx, AV_LOG_ERROR, "Invalid tile heights.\n"); | |
| 1605 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1606 | ✗ | goto err; | |
| 1607 | } | ||
| 1608 | 532 | pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum; | |
| 1609 | } | ||
| 1610 | 908 | pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb); | |
| 1611 | } | ||
| 1612 | |||
| 1613 | 3246 | pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb); | |
| 1614 | |||
| 1615 | 3246 | pps->deblocking_filter_control_present_flag = get_bits1(gb); | |
| 1616 |
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|
3246 | if (pps->deblocking_filter_control_present_flag) { |
| 1617 | 1029 | pps->deblocking_filter_override_enabled_flag = get_bits1(gb); | |
| 1618 | 1029 | pps->disable_dbf = get_bits1(gb); | |
| 1619 |
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|
1029 | if (!pps->disable_dbf) { |
| 1620 | 887 | int beta_offset_div2 = get_se_golomb(gb); | |
| 1621 | 887 | int tc_offset_div2 = get_se_golomb(gb) ; | |
| 1622 |
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|
887 | if (beta_offset_div2 < -6 || beta_offset_div2 > 6) { |
| 1623 | ✗ | av_log(avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n", | |
| 1624 | beta_offset_div2); | ||
| 1625 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1626 | ✗ | goto err; | |
| 1627 | } | ||
| 1628 |
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|
887 | if (tc_offset_div2 < -6 || tc_offset_div2 > 6) { |
| 1629 | ✗ | av_log(avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n", | |
| 1630 | tc_offset_div2); | ||
| 1631 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1632 | ✗ | goto err; | |
| 1633 | } | ||
| 1634 | 887 | pps->beta_offset = 2 * beta_offset_div2; | |
| 1635 | 887 | pps->tc_offset = 2 * tc_offset_div2; | |
| 1636 | } | ||
| 1637 | } | ||
| 1638 | |||
| 1639 | 3246 | pps->scaling_list_data_present_flag = get_bits1(gb); | |
| 1640 |
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|
3246 | if (pps->scaling_list_data_present_flag) { |
| 1641 | 469 | set_default_scaling_list_data(&pps->scaling_list); | |
| 1642 | 469 | ret = scaling_list_data(gb, avctx, &pps->scaling_list, sps); | |
| 1643 |
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|
469 | if (ret < 0) |
| 1644 | ✗ | goto err; | |
| 1645 | } | ||
| 1646 | 3246 | pps->lists_modification_present_flag = get_bits1(gb); | |
| 1647 | 3246 | log2_parallel_merge_level_minus2 = get_ue_golomb_long(gb); | |
| 1648 |
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|
3246 | if (log2_parallel_merge_level_minus2 > sps->log2_ctb_size) { |
| 1649 | ✗ | av_log(avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n", | |
| 1650 | log2_parallel_merge_level_minus2); | ||
| 1651 | ✗ | ret = AVERROR_INVALIDDATA; | |
| 1652 | ✗ | goto err; | |
| 1653 | } | ||
| 1654 | 3246 | pps->log2_parallel_merge_level = log2_parallel_merge_level_minus2 + 2; | |
| 1655 | |||
| 1656 | 3246 | pps->slice_header_extension_present_flag = get_bits1(gb); | |
| 1657 | |||
| 1658 |
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|
3246 | if (get_bits1(gb)) { // pps_extension_present_flag |
| 1659 | 91 | pps->pps_range_extensions_flag = get_bits1(gb); | |
| 1660 | 91 | skip_bits(gb, 7); // pps_extension_7bits | |
| 1661 |
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|
91 | if (sps->ptl.general_ptl.profile_idc == FF_PROFILE_HEVC_REXT && pps->pps_range_extensions_flag) { |
| 1662 |
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|
76 | if ((ret = pps_range_extensions(gb, avctx, pps, sps)) < 0) |
| 1663 | ✗ | goto err; | |
| 1664 | } | ||
| 1665 | } | ||
| 1666 | |||
| 1667 | 3246 | ret = setup_pps(avctx, gb, pps, sps); | |
| 1668 |
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|
3246 | if (ret < 0) |
| 1669 | ✗ | goto err; | |
| 1670 | |||
| 1671 |
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|
3246 | if (get_bits_left(gb) < 0) { |
| 1672 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1673 | ✗ | "Overread PPS by %d bits\n", -get_bits_left(gb)); | |
| 1674 | ✗ | goto err; | |
| 1675 | } | ||
| 1676 | |||
| 1677 | 3246 | remove_pps(ps, pps_id); | |
| 1678 | 3246 | ps->pps_list[pps_id] = pps_buf; | |
| 1679 | |||
| 1680 | 3246 | return 0; | |
| 1681 | |||
| 1682 | 4 | err: | |
| 1683 | 4 | av_buffer_unref(&pps_buf); | |
| 1684 | 4 | return ret; | |
| 1685 | } | ||
| 1686 | |||
| 1687 | 601 | void ff_hevc_ps_uninit(HEVCParamSets *ps) | |
| 1688 | { | ||
| 1689 | int i; | ||
| 1690 | |||
| 1691 |
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|
10217 | for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++) |
| 1692 | 9616 | av_buffer_unref(&ps->vps_list[i]); | |
| 1693 |
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|
10217 | for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++) |
| 1694 | 9616 | av_buffer_unref(&ps->sps_list[i]); | |
| 1695 |
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|
39065 | for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++) |
| 1696 | 38464 | av_buffer_unref(&ps->pps_list[i]); | |
| 1697 | |||
| 1698 | 601 | ps->sps = NULL; | |
| 1699 | 601 | ps->pps = NULL; | |
| 1700 | 601 | ps->vps = NULL; | |
| 1701 | 601 | } | |
| 1702 | |||
| 1703 | 30326 | int ff_hevc_compute_poc(const HEVCSPS *sps, int pocTid0, int poc_lsb, int nal_unit_type) | |
| 1704 | { | ||
| 1705 | 30326 | int max_poc_lsb = 1 << sps->log2_max_poc_lsb; | |
| 1706 | 30326 | int prev_poc_lsb = pocTid0 % max_poc_lsb; | |
| 1707 | 30326 | int prev_poc_msb = pocTid0 - prev_poc_lsb; | |
| 1708 | int poc_msb; | ||
| 1709 | |||
| 1710 |
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|
30326 | if (poc_lsb < prev_poc_lsb && prev_poc_lsb - poc_lsb >= max_poc_lsb / 2) |
| 1711 | 40 | poc_msb = prev_poc_msb + max_poc_lsb; | |
| 1712 |
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|
30286 | else if (poc_lsb > prev_poc_lsb && poc_lsb - prev_poc_lsb > max_poc_lsb / 2) |
| 1713 | 302 | poc_msb = prev_poc_msb - max_poc_lsb; | |
| 1714 | else | ||
| 1715 | 29984 | poc_msb = prev_poc_msb; | |
| 1716 | |||
| 1717 | // For BLA picture types, POCmsb is set to 0. | ||
| 1718 |
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|
30326 | if (nal_unit_type == HEVC_NAL_BLA_W_LP || |
| 1719 |
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|
30305 | nal_unit_type == HEVC_NAL_BLA_W_RADL || |
| 1720 | nal_unit_type == HEVC_NAL_BLA_N_LP) | ||
| 1721 | 24 | poc_msb = 0; | |
| 1722 | |||
| 1723 | 30326 | return poc_msb + poc_lsb; | |
| 1724 | } | ||
| 1725 |