| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * VVC parameter set parser | ||
| 3 | * | ||
| 4 | * Copyright (C) 2023 Nuo Mi | ||
| 5 | * Copyright (C) 2022 Xu Mu | ||
| 6 | * | ||
| 7 | * This file is part of FFmpeg. | ||
| 8 | * | ||
| 9 | * FFmpeg is free software; you can redistribute it and/or | ||
| 10 | * modify it under the terms of the GNU Lesser General Public | ||
| 11 | * License as published by the Free Software Foundation; either | ||
| 12 | * version 2.1 of the License, or (at your option) any later version. | ||
| 13 | * | ||
| 14 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 17 | * Lesser General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU Lesser General Public | ||
| 20 | * License along with FFmpeg; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 22 | */ | ||
| 23 | #include <stdbool.h> | ||
| 24 | |||
| 25 | #include "libavcodec/cbs_h266.h" | ||
| 26 | #include "libavcodec/decode.h" | ||
| 27 | #include "libavcodec/h2645data.h" | ||
| 28 | #include "libavutil/mem.h" | ||
| 29 | #include "libavutil/pixdesc.h" | ||
| 30 | #include "libavutil/refstruct.h" | ||
| 31 | #include "data.h" | ||
| 32 | #include "ps.h" | ||
| 33 | #include "dec.h" | ||
| 34 | |||
| 35 | 94 | static int sps_map_pixel_format(VVCSPS *sps, void *log_ctx) | |
| 36 | { | ||
| 37 | 94 | const H266RawSPS *r = sps->r; | |
| 38 | const AVPixFmtDescriptor *desc; | ||
| 39 | |||
| 40 |
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94 | switch (sps->bit_depth) { |
| 41 | 7 | case 8: | |
| 42 |
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7 | if (r->sps_chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY8; |
| 43 |
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7 | if (r->sps_chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P; |
| 44 |
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7 | if (r->sps_chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P; |
| 45 |
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7 | if (r->sps_chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P; |
| 46 | 7 | break; | |
| 47 | 87 | case 10: | |
| 48 |
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87 | if (r->sps_chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY10; |
| 49 |
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87 | if (r->sps_chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10; |
| 50 |
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87 | if (r->sps_chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10; |
| 51 |
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87 | if (r->sps_chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10; |
| 52 | 87 | break; | |
| 53 | ✗ | case 12: | |
| 54 | ✗ | if (r->sps_chroma_format_idc == 0) sps->pix_fmt = AV_PIX_FMT_GRAY12; | |
| 55 | ✗ | if (r->sps_chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12; | |
| 56 | ✗ | if (r->sps_chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12; | |
| 57 | ✗ | if (r->sps_chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12; | |
| 58 | ✗ | break; | |
| 59 | ✗ | default: | |
| 60 | ✗ | av_log(log_ctx, AV_LOG_ERROR, | |
| 61 | "The following bit-depths are currently specified: 8, 10, 12 bits, " | ||
| 62 | "chroma_format_idc is %d, depth is %d\n", | ||
| 63 | ✗ | r->sps_chroma_format_idc, sps->bit_depth); | |
| 64 | ✗ | return AVERROR_INVALIDDATA; | |
| 65 | } | ||
| 66 | |||
| 67 | 94 | desc = av_pix_fmt_desc_get(sps->pix_fmt); | |
| 68 |
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94 | if (!desc) |
| 69 | ✗ | return AVERROR(EINVAL); | |
| 70 | |||
| 71 | 94 | sps->hshift[0] = sps->vshift[0] = 0; | |
| 72 | 94 | sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w; | |
| 73 | 94 | sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h; | |
| 74 | |||
| 75 | 94 | sps->pixel_shift = sps->bit_depth > 8; | |
| 76 | |||
| 77 | 94 | return 0; | |
| 78 | } | ||
| 79 | |||
| 80 | 94 | static int sps_bit_depth(VVCSPS *sps, void *log_ctx) | |
| 81 | { | ||
| 82 | 94 | const H266RawSPS *r = sps->r; | |
| 83 | |||
| 84 | 94 | sps->bit_depth = r->sps_bitdepth_minus8 + 8; | |
| 85 | 94 | sps->qp_bd_offset = 6 * (sps->bit_depth - 8); | |
| 86 | 94 | sps->log2_transform_range = | |
| 87 |
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94 | r->sps_extended_precision_flag ? FFMAX(15, FFMIN(20, sps->bit_depth + 6)) : 15; |
| 88 | 94 | return sps_map_pixel_format(sps, log_ctx); | |
| 89 | } | ||
| 90 | |||
| 91 | 91 | static int sps_chroma_qp_table(VVCSPS *sps) | |
| 92 | { | ||
| 93 | 91 | const H266RawSPS *r = sps->r; | |
| 94 | 182 | const int num_qp_tables = r->sps_same_qp_table_for_chroma_flag ? | |
| 95 |
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91 | 1 : (r->sps_joint_cbcr_enabled_flag ? 3 : 2); |
| 96 | |||
| 97 |
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188 | for (int i = 0; i < num_qp_tables; i++) { |
| 98 | int num_points_in_qp_table; | ||
| 99 | int8_t qp_in[VVC_MAX_POINTS_IN_QP_TABLE], qp_out[VVC_MAX_POINTS_IN_QP_TABLE]; | ||
| 100 | unsigned int delta_qp_in[VVC_MAX_POINTS_IN_QP_TABLE]; | ||
| 101 | 97 | int off = sps->qp_bd_offset; | |
| 102 | |||
| 103 | 97 | num_points_in_qp_table = r->sps_num_points_in_qp_table_minus1[i] + 1; | |
| 104 | |||
| 105 | 97 | qp_out[0] = qp_in[0] = r->sps_qp_table_start_minus26[i] + 26; | |
| 106 |
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404 | for (int j = 0; j < num_points_in_qp_table; j++ ) { |
| 107 | 307 | const uint8_t delta_qp_out = (r->sps_delta_qp_in_val_minus1[i][j] ^ r->sps_delta_qp_diff_val[i][j]); | |
| 108 | 307 | delta_qp_in[j] = r->sps_delta_qp_in_val_minus1[i][j] + 1; | |
| 109 | // Note: we cannot check qp_{in,out}[j+1] here as qp_*[j] + delta_qp_* | ||
| 110 | // may not fit in an 8-bit signed integer. | ||
| 111 |
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307 | if (qp_in[j] + delta_qp_in[j] > 63 || qp_out[j] + delta_qp_out > 63) |
| 112 | ✗ | return AVERROR(EINVAL); | |
| 113 | 307 | qp_in[j+1] = qp_in[j] + delta_qp_in[j]; | |
| 114 | 307 | qp_out[j+1] = qp_out[j] + delta_qp_out; | |
| 115 | } | ||
| 116 | 97 | sps->chroma_qp_table[i][qp_in[0] + off] = qp_out[0]; | |
| 117 |
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2895 | for (int k = qp_in[0] - 1 + off; k >= 0; k--) |
| 118 | 2798 | sps->chroma_qp_table[i][k] = av_clip(sps->chroma_qp_table[i][k+1]-1, -off, 63); | |
| 119 | |||
| 120 |
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404 | for (int j = 0; j < num_points_in_qp_table; j++) { |
| 121 | 307 | int sh = delta_qp_in[j] >> 1; | |
| 122 |
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2785 | for (int k = qp_in[j] + 1 + off, m = 1; k <= qp_in[j+1] + off; k++, m++) { |
| 123 | 2478 | sps->chroma_qp_table[i][k] = sps->chroma_qp_table[i][qp_in[j] + off] + | |
| 124 | 2478 | ((qp_out[j+1] - qp_out[j]) * m + sh) / delta_qp_in[j]; | |
| 125 | } | ||
| 126 | } | ||
| 127 |
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2012 | for (int k = qp_in[num_points_in_qp_table] + 1 + off; k <= 63 + off; k++) |
| 128 | 1915 | sps->chroma_qp_table[i][k] = av_clip(sps->chroma_qp_table[i][k-1] + 1, -sps->qp_bd_offset, 63); | |
| 129 | } | ||
| 130 |
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91 | if (r->sps_same_qp_table_for_chroma_flag) { |
| 131 | 88 | memcpy(&sps->chroma_qp_table[1], &sps->chroma_qp_table[0], sizeof(sps->chroma_qp_table[0])); | |
| 132 | 88 | memcpy(&sps->chroma_qp_table[2], &sps->chroma_qp_table[0], sizeof(sps->chroma_qp_table[0])); | |
| 133 | } | ||
| 134 | |||
| 135 | 91 | return 0; | |
| 136 | } | ||
| 137 | |||
| 138 | 94 | static void sps_poc(VVCSPS *sps) | |
| 139 | { | ||
| 140 | 94 | sps->max_pic_order_cnt_lsb = 1 << (sps->r->sps_log2_max_pic_order_cnt_lsb_minus4 + 4); | |
| 141 | 94 | } | |
| 142 | |||
| 143 | 94 | static void sps_inter(VVCSPS *sps) | |
| 144 | { | ||
| 145 | 94 | const H266RawSPS *r = sps->r; | |
| 146 | |||
| 147 | 94 | sps->max_num_merge_cand = 6 - r->sps_six_minus_max_num_merge_cand; | |
| 148 | 94 | sps->max_num_ibc_merge_cand = 6 - r->sps_six_minus_max_num_ibc_merge_cand; | |
| 149 | |||
| 150 |
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94 | if (sps->r->sps_gpm_enabled_flag) { |
| 151 | 78 | sps->max_num_gpm_merge_cand = 2; | |
| 152 |
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78 | if (sps->max_num_merge_cand >= 3) |
| 153 | 78 | sps->max_num_gpm_merge_cand = sps->max_num_merge_cand - r->sps_max_num_merge_cand_minus_max_num_gpm_cand; | |
| 154 | } | ||
| 155 | |||
| 156 | 94 | sps->log2_parallel_merge_level = r->sps_log2_parallel_merge_level_minus2 + 2; | |
| 157 | 94 | } | |
| 158 | |||
| 159 | 94 | static void sps_partition_constraints(VVCSPS* sps) | |
| 160 | { | ||
| 161 | 94 | const H266RawSPS *r = sps->r; | |
| 162 | |||
| 163 | 94 | sps->ctb_log2_size_y = r->sps_log2_ctu_size_minus5 + 5; | |
| 164 | 94 | sps->ctb_size_y = 1 << sps->ctb_log2_size_y; | |
| 165 | 94 | sps->min_cb_log2_size_y = r->sps_log2_min_luma_coding_block_size_minus2 + 2; | |
| 166 | 94 | sps->min_cb_size_y = 1 << sps->min_cb_log2_size_y; | |
| 167 |
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94 | sps->max_tb_size_y = 1 << (r->sps_max_luma_transform_size_64_flag ? 6 : 5); |
| 168 | 94 | sps->max_ts_size = 1 << (r->sps_log2_transform_skip_max_size_minus2 + 2); | |
| 169 | 94 | } | |
| 170 | |||
| 171 | 94 | static void sps_ladf(VVCSPS* sps) | |
| 172 | { | ||
| 173 | 94 | const H266RawSPS *r = sps->r; | |
| 174 | |||
| 175 |
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94 | if (r->sps_ladf_enabled_flag) { |
| 176 | 2 | sps->num_ladf_intervals = r->sps_num_ladf_intervals_minus2 + 2; | |
| 177 | 2 | sps->ladf_interval_lower_bound[0] = 0; | |
| 178 |
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6 | for (int i = 0; i < sps->num_ladf_intervals - 1; i++) { |
| 179 | 4 | sps->ladf_interval_lower_bound[i + 1] = | |
| 180 | 4 | sps->ladf_interval_lower_bound[i] + r->sps_ladf_delta_threshold_minus1[i] + 1; | |
| 181 | } | ||
| 182 | } | ||
| 183 | 94 | } | |
| 184 | |||
| 185 | #define EXTENDED_SAR 255 | ||
| 186 | 7 | static void sps_vui(AVCodecContext *c, const H266RawVUI *vui) | |
| 187 | { | ||
| 188 | 7 | AVRational sar = (AVRational){ 0, 1 }; | |
| 189 |
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7 | if (vui->vui_aspect_ratio_info_present_flag) { |
| 190 | ✗ | if (vui->vui_aspect_ratio_idc < FF_ARRAY_ELEMS(ff_h2645_pixel_aspect)) | |
| 191 | ✗ | sar = ff_h2645_pixel_aspect[vui->vui_aspect_ratio_idc]; | |
| 192 | ✗ | else if (vui->vui_aspect_ratio_idc == EXTENDED_SAR) { | |
| 193 | ✗ | sar = (AVRational){ vui->vui_sar_width, vui->vui_sar_height }; | |
| 194 | } else { | ||
| 195 | ✗ | av_log(c, AV_LOG_WARNING, "Unknown SAR index: %u.\n", vui->vui_aspect_ratio_idc); | |
| 196 | } | ||
| 197 | } | ||
| 198 | 7 | ff_set_sar(c, sar); | |
| 199 | |||
| 200 |
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7 | if (vui->vui_colour_description_present_flag) { |
| 201 | ✗ | c->color_primaries = vui->vui_colour_primaries; | |
| 202 | ✗ | c->color_trc = vui->vui_transfer_characteristics; | |
| 203 | ✗ | c->colorspace = vui->vui_matrix_coeffs; | |
| 204 | ✗ | c->color_range = vui->vui_full_range_flag ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; | |
| 205 | |||
| 206 | // Set invalid values to "unspecified" | ||
| 207 | ✗ | if (!av_color_primaries_name(c->color_primaries)) | |
| 208 | ✗ | c->color_primaries = AVCOL_PRI_UNSPECIFIED; | |
| 209 | ✗ | if (!av_color_transfer_name(c->color_trc)) | |
| 210 | ✗ | c->color_trc = AVCOL_TRC_UNSPECIFIED; | |
| 211 | ✗ | if (!av_color_space_name(c->colorspace)) | |
| 212 | ✗ | c->colorspace = AVCOL_SPC_UNSPECIFIED; | |
| 213 | } else { | ||
| 214 | 7 | c->color_primaries = AVCOL_PRI_UNSPECIFIED; | |
| 215 | 7 | c->color_trc = AVCOL_TRC_UNSPECIFIED; | |
| 216 | 7 | c->colorspace = AVCOL_SPC_UNSPECIFIED; | |
| 217 | 7 | c->color_range = AVCOL_RANGE_MPEG; | |
| 218 | } | ||
| 219 | 7 | } | |
| 220 | |||
| 221 | |||
| 222 | 94 | static void sps_export_stream_params(AVCodecContext *c, const VVCSPS *sps) | |
| 223 | { | ||
| 224 | 94 | const H266RawSPS *r = sps->r; | |
| 225 | |||
| 226 | 94 | c->has_b_frames = !!r->sps_dpb_params.dpb_max_num_reorder_pics[r->sps_max_sublayers_minus1]; | |
| 227 |
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94 | if (r->sps_vui_parameters_present_flag) |
| 228 | 7 | sps_vui(c, &r->vui); | |
| 229 | 94 | } | |
| 230 | |||
| 231 | 94 | static int sps_derive(VVCSPS *sps, AVCodecContext *c) | |
| 232 | { | ||
| 233 | int ret; | ||
| 234 | 94 | const H266RawSPS *r = sps->r; | |
| 235 | |||
| 236 | 94 | ret = sps_bit_depth(sps, c); | |
| 237 |
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94 | if (ret < 0) |
| 238 | ✗ | return ret; | |
| 239 | 94 | sps_poc(sps); | |
| 240 | 94 | sps_inter(sps); | |
| 241 | 94 | sps_partition_constraints(sps); | |
| 242 | 94 | sps_ladf(sps); | |
| 243 |
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94 | if (r->sps_chroma_format_idc != 0) { |
| 244 | 91 | ret = sps_chroma_qp_table(sps); | |
| 245 |
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91 | if (ret < 0) |
| 246 | ✗ | return ret; | |
| 247 | } | ||
| 248 | 94 | sps_export_stream_params(c, sps); | |
| 249 | |||
| 250 | 94 | return 0; | |
| 251 | } | ||
| 252 | |||
| 253 | 94 | static void sps_free(AVRefStructOpaque opaque, void *obj) | |
| 254 | { | ||
| 255 | 94 | VVCSPS *sps = obj; | |
| 256 | 94 | av_refstruct_unref(&sps->r); | |
| 257 | 94 | } | |
| 258 | |||
| 259 | 94 | static const VVCSPS *sps_alloc(const H266RawSPS *rsps, AVCodecContext *c) | |
| 260 | { | ||
| 261 | int ret; | ||
| 262 | 94 | VVCSPS *sps = av_refstruct_alloc_ext(sizeof(*sps), 0, NULL, sps_free); | |
| 263 | |||
| 264 |
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94 | if (!sps) |
| 265 | ✗ | return NULL; | |
| 266 | |||
| 267 | 94 | av_refstruct_replace(&sps->r, rsps); | |
| 268 | |||
| 269 | 94 | ret = sps_derive(sps, c); | |
| 270 |
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94 | if (ret < 0) |
| 271 | ✗ | goto fail; | |
| 272 | |||
| 273 | 94 | return sps; | |
| 274 | |||
| 275 | ✗ | fail: | |
| 276 | ✗ | av_refstruct_unref(&sps); | |
| 277 | ✗ | return NULL; | |
| 278 | } | ||
| 279 | |||
| 280 | 961 | static int decode_sps(VVCParamSets *ps, AVCodecContext *c, const H266RawSPS *rsps, int is_clvss) | |
| 281 | { | ||
| 282 | 961 | const int sps_id = rsps->sps_seq_parameter_set_id; | |
| 283 | 961 | const VVCSPS *old_sps = ps->sps_list[sps_id]; | |
| 284 | const VVCSPS *sps; | ||
| 285 | |||
| 286 |
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961 | if (is_clvss) { |
| 287 | 103 | ps->sps_id_used = 0; | |
| 288 | } | ||
| 289 | |||
| 290 |
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961 | if (old_sps) { |
| 291 |
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872 | if (old_sps->r == rsps || !memcmp(old_sps->r, rsps, sizeof(*old_sps->r))) { |
| 292 | 867 | ps->sps_id_used |= (1 << sps_id); | |
| 293 | 867 | return 0; | |
| 294 |
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5 | } else if (ps->sps_id_used & (1 << sps_id)) |
| 295 | ✗ | return AVERROR_INVALIDDATA; | |
| 296 | } | ||
| 297 | |||
| 298 | 94 | sps = sps_alloc(rsps, c); | |
| 299 |
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94 | if (!sps) |
| 300 | ✗ | return AVERROR(ENOMEM); | |
| 301 | |||
| 302 | 94 | av_refstruct_unref(&ps->sps_list[sps_id]); | |
| 303 | 94 | ps->sps_list[sps_id] = sps; | |
| 304 | 94 | ps->sps_id_used |= (1 << sps_id); | |
| 305 | |||
| 306 | 94 | return 0; | |
| 307 | } | ||
| 308 | |||
| 309 | 192 | static void pps_chroma_qp_offset(VVCPPS *pps) | |
| 310 | { | ||
| 311 | 192 | pps->chroma_qp_offset[CB - 1] = pps->r->pps_cb_qp_offset; | |
| 312 | 192 | pps->chroma_qp_offset[CR - 1] = pps->r->pps_cr_qp_offset; | |
| 313 | 192 | pps->chroma_qp_offset[JCBCR - 1]= pps->r->pps_joint_cbcr_qp_offset_value; | |
| 314 |
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1344 | for (int i = 0; i < 6; i++) { |
| 315 | 1152 | pps->chroma_qp_offset_list[i][CB - 1] = pps->r->pps_cb_qp_offset_list[i]; | |
| 316 | 1152 | pps->chroma_qp_offset_list[i][CR - 1] = pps->r->pps_cr_qp_offset_list[i]; | |
| 317 | 1152 | pps->chroma_qp_offset_list[i][JCBCR - 1]= pps->r->pps_joint_cbcr_qp_offset_list[i]; | |
| 318 | } | ||
| 319 | 192 | } | |
| 320 | |||
| 321 | 192 | static void pps_width_height(VVCPPS *pps, const VVCSPS *sps) | |
| 322 | { | ||
| 323 | 192 | const H266RawPPS *r = pps->r; | |
| 324 | |||
| 325 | 192 | pps->width = r->pps_pic_width_in_luma_samples; | |
| 326 | 192 | pps->height = r->pps_pic_height_in_luma_samples; | |
| 327 | |||
| 328 | 192 | pps->ctb_width = AV_CEIL_RSHIFT(pps->width, sps->ctb_log2_size_y); | |
| 329 | 192 | pps->ctb_height = AV_CEIL_RSHIFT(pps->height, sps->ctb_log2_size_y); | |
| 330 | 192 | pps->ctb_count = pps->ctb_width * pps->ctb_height; | |
| 331 | |||
| 332 | 192 | pps->min_cb_width = pps->width >> sps->min_cb_log2_size_y; | |
| 333 | 192 | pps->min_cb_height = pps->height >> sps->min_cb_log2_size_y; | |
| 334 | |||
| 335 | 192 | pps->min_pu_width = pps->width >> MIN_PU_LOG2; | |
| 336 | 192 | pps->min_pu_height = pps->height >> MIN_PU_LOG2; | |
| 337 | 192 | pps->min_tu_width = pps->width >> MIN_TU_LOG2; | |
| 338 | 192 | pps->min_tu_height = pps->height >> MIN_TU_LOG2; | |
| 339 | |||
| 340 | 192 | pps->width32 = AV_CEIL_RSHIFT(pps->width, 5); | |
| 341 | 192 | pps->height32 = AV_CEIL_RSHIFT(pps->height, 5); | |
| 342 | 192 | pps->width64 = AV_CEIL_RSHIFT(pps->width, 6); | |
| 343 | 192 | pps->height64 = AV_CEIL_RSHIFT(pps->height, 6); | |
| 344 | 192 | } | |
| 345 | |||
| 346 | 192 | static int pps_bd(VVCPPS *pps) | |
| 347 | { | ||
| 348 | 192 | const H266RawPPS *r = pps->r; | |
| 349 | |||
| 350 | 192 | pps->col_bd = av_calloc(r->num_tile_columns + 1, sizeof(*pps->col_bd)); | |
| 351 | 192 | pps->row_bd = av_calloc(r->num_tile_rows + 1, sizeof(*pps->row_bd)); | |
| 352 | 192 | pps->ctb_to_col_bd = av_calloc(pps->ctb_width + 1, sizeof(*pps->ctb_to_col_bd)); | |
| 353 | 192 | pps->ctb_to_row_bd = av_calloc(pps->ctb_height + 1, sizeof(*pps->ctb_to_col_bd)); | |
| 354 |
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192 | if (!pps->col_bd || !pps->row_bd || !pps->ctb_to_col_bd || !pps->ctb_to_row_bd) |
| 355 | ✗ | return AVERROR(ENOMEM); | |
| 356 | |||
| 357 |
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497 | for (int i = 0, j = 0; i < r->num_tile_columns; i++) { |
| 358 | 305 | pps->col_bd[i] = j; | |
| 359 | 305 | j += r->col_width_val[i]; | |
| 360 |
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1592 | for (int k = pps->col_bd[i]; k < j; k++) |
| 361 | 1287 | pps->ctb_to_col_bd[k] = pps->col_bd[i]; | |
| 362 | } | ||
| 363 | 192 | pps->col_bd[r->num_tile_columns] = pps->ctb_to_col_bd[pps->ctb_width] = pps->ctb_width; | |
| 364 | |||
| 365 |
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487 | for (int i = 0, j = 0; i < r->num_tile_rows; i++) { |
| 366 | 295 | pps->row_bd[i] = j; | |
| 367 | 295 | j += r->row_height_val[i]; | |
| 368 |
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1080 | for (int k = pps->row_bd[i]; k < j; k++) |
| 369 | 785 | pps->ctb_to_row_bd[k] = pps->row_bd[i]; | |
| 370 | } | ||
| 371 | 192 | pps->row_bd[r->num_tile_rows] = pps->ctb_to_row_bd[pps->ctb_height] = pps->ctb_height; | |
| 372 | |||
| 373 | 192 | return 0; | |
| 374 | } | ||
| 375 | |||
| 376 | |||
| 377 | 158 | static int next_tile_idx(int tile_idx, const int i, const H266RawPPS *r) | |
| 378 | { | ||
| 379 |
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158 | if (r->pps_tile_idx_delta_present_flag) { |
| 380 | 61 | tile_idx += r->pps_tile_idx_delta_val[i]; | |
| 381 | } else { | ||
| 382 | 97 | tile_idx += r->pps_slice_width_in_tiles_minus1[i] + 1; | |
| 383 |
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97 | if (tile_idx % r->num_tile_columns == 0) |
| 384 | 52 | tile_idx += (r->pps_slice_height_in_tiles_minus1[i]) * r->num_tile_columns; | |
| 385 | } | ||
| 386 | 158 | return tile_idx; | |
| 387 | } | ||
| 388 | |||
| 389 | 158 | static void tile_xy(int *tile_x, int *tile_y, const int tile_idx, const VVCPPS *pps) | |
| 390 | { | ||
| 391 | 158 | *tile_x = tile_idx % pps->r->num_tile_columns; | |
| 392 | 158 | *tile_y = tile_idx / pps->r->num_tile_columns; | |
| 393 | 158 | } | |
| 394 | |||
| 395 | 713 | static void ctu_xy(int *rx, int *ry, const int tile_x, const int tile_y, const VVCPPS *pps) | |
| 396 | { | ||
| 397 | 713 | *rx = pps->col_bd[tile_x]; | |
| 398 | 713 | *ry = pps->row_bd[tile_y]; | |
| 399 | 713 | } | |
| 400 | |||
| 401 | 7419 | static int ctu_rs(const int rx, const int ry, const VVCPPS *pps) | |
| 402 | { | ||
| 403 | 7419 | return pps->ctb_width * ry + rx; | |
| 404 | } | ||
| 405 | |||
| 406 | 769 | static int pps_add_ctus(VVCPPS *pps, int *off, const int rx, const int ry, | |
| 407 | const int w, const int h) | ||
| 408 | { | ||
| 409 | 769 | int start = *off; | |
| 410 |
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2389 | for (int y = 0; y < h; y++) { |
| 411 |
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9039 | for (int x = 0; x < w; x++) { |
| 412 |
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7419 | if (*off >= pps->ctb_count) |
| 413 | ✗ | return AVERROR_INVALIDDATA; | |
| 414 | 7419 | pps->ctb_addr_in_slice[*off] = ctu_rs(rx + x, ry + y, pps); | |
| 415 | 7419 | (*off)++; | |
| 416 | } | ||
| 417 | } | ||
| 418 | 769 | return *off - start; | |
| 419 | } | ||
| 420 | |||
| 421 | 2 | static int pps_single_slice_picture(VVCPPS *pps, int *off) | |
| 422 | { | ||
| 423 | 2 | pps->num_ctus_in_slice[0] = 0; | |
| 424 |
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6 | for (int j = 0; j < pps->r->num_tile_rows; j++) { |
| 425 |
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12 | for (int i = 0; i < pps->r->num_tile_columns; i++) { |
| 426 | 8 | const int ret = pps_add_ctus(pps, off, | |
| 427 | 8 | pps->col_bd[i], pps->row_bd[j], | |
| 428 | 8 | pps->r->col_width_val[i], pps->r->row_height_val[j]); | |
| 429 |
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8 | if (ret < 0) |
| 430 | ✗ | return ret; | |
| 431 | 8 | pps->num_ctus_in_slice[0] += ret; | |
| 432 | } | ||
| 433 | } | ||
| 434 | |||
| 435 | 2 | return 0; | |
| 436 | } | ||
| 437 | |||
| 438 | 16 | static void subpic_tiles(int *tile_x, int *tile_y, int *tile_x_end, int *tile_y_end, | |
| 439 | const VVCSPS *sps, const VVCPPS *pps, const int i) | ||
| 440 | { | ||
| 441 | 16 | const int rx = sps->r->sps_subpic_ctu_top_left_x[i]; | |
| 442 | 16 | const int ry = sps->r->sps_subpic_ctu_top_left_y[i]; | |
| 443 | |||
| 444 | 16 | *tile_x = *tile_y = 0; | |
| 445 | |||
| 446 |
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40 | while (pps->col_bd[*tile_x] < rx) |
| 447 | 24 | (*tile_x)++; | |
| 448 | |||
| 449 |
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24 | while (pps->row_bd[*tile_y] < ry) |
| 450 | 8 | (*tile_y)++; | |
| 451 | |||
| 452 | 16 | *tile_x_end = (*tile_x); | |
| 453 | 16 | *tile_y_end = (*tile_y); | |
| 454 | |||
| 455 |
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32 | while (pps->col_bd[*tile_x_end] < rx + sps->r->sps_subpic_width_minus1[i] + 1) |
| 456 | 16 | (*tile_x_end)++; | |
| 457 | |||
| 458 |
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32 | while (pps->row_bd[*tile_y_end] < ry + sps->r->sps_subpic_height_minus1[i] + 1) |
| 459 | 16 | (*tile_y_end)++; | |
| 460 | 16 | } | |
| 461 | |||
| 462 | ✗ | static int pps_subpic_less_than_one_tile_slice(VVCPPS *pps, const VVCSPS *sps, const int i, const int tx, const int ty, int *off) | |
| 463 | { | ||
| 464 | ✗ | const int ret = pps_add_ctus(pps, off, | |
| 465 | ✗ | sps->r->sps_subpic_ctu_top_left_x[i], sps->r->sps_subpic_ctu_top_left_y[i], | |
| 466 | ✗ | sps->r->sps_subpic_width_minus1[i] + 1, sps->r->sps_subpic_height_minus1[i] + 1); | |
| 467 | ✗ | if (ret < 0) | |
| 468 | ✗ | return ret; | |
| 469 | |||
| 470 | ✗ | pps->num_ctus_in_slice[i] = ret; | |
| 471 | ✗ | return 0; | |
| 472 | } | ||
| 473 | |||
| 474 | 16 | static int pps_subpic_one_or_more_tiles_slice(VVCPPS *pps, const int tile_x, const int tile_y, const int x_end, const int y_end, | |
| 475 | const int i, int *off) | ||
| 476 | { | ||
| 477 |
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32 | for (int ty = tile_y; ty < y_end; ty++) { |
| 478 |
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32 | for (int tx = tile_x; tx < x_end; tx++) { |
| 479 | 16 | const int ret = pps_add_ctus(pps, off, | |
| 480 | 16 | pps->col_bd[tx], pps->row_bd[ty], | |
| 481 | 16 | pps->r->col_width_val[tx], pps->r->row_height_val[ty]); | |
| 482 |
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16 | if (ret < 0) |
| 483 | ✗ | return ret; | |
| 484 | |||
| 485 | 16 | pps->num_ctus_in_slice[i] += ret; | |
| 486 | } | ||
| 487 | } | ||
| 488 | 16 | return 0; | |
| 489 | } | ||
| 490 | |||
| 491 | 16 | static int pps_subpic_slice(VVCPPS *pps, const VVCSPS *sps, const int i, int *off) | |
| 492 | { | ||
| 493 | int tx, ty, x_end, y_end; | ||
| 494 | |||
| 495 | 16 | pps->slice_start_offset[i] = *off; | |
| 496 | 16 | pps->num_ctus_in_slice[i] = 0; | |
| 497 | |||
| 498 | 16 | subpic_tiles(&tx, &ty, &x_end, &y_end, sps, pps, i); | |
| 499 |
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16 | if (ty + 1 == y_end && sps->r->sps_subpic_height_minus1[i] + 1 < pps->r->row_height_val[ty]) |
| 500 | ✗ | return pps_subpic_less_than_one_tile_slice(pps, sps, i, tx, ty, off); | |
| 501 | else | ||
| 502 | 16 | return pps_subpic_one_or_more_tiles_slice(pps, tx, ty, x_end, y_end, i, off); | |
| 503 | } | ||
| 504 | |||
| 505 | 4 | static int pps_single_slice_per_subpic(VVCPPS *pps, const VVCSPS *sps, int *off) | |
| 506 | { | ||
| 507 | int ret; | ||
| 508 | |||
| 509 |
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4 | if (!sps->r->sps_subpic_info_present_flag) { |
| 510 | 2 | ret = pps_single_slice_picture(pps, off); | |
| 511 |
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2 | if (ret < 0) |
| 512 | ✗ | return ret; | |
| 513 | } else { | ||
| 514 |
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18 | for (int i = 0; i < pps->r->pps_num_slices_in_pic_minus1 + 1; i++) { |
| 515 | 16 | const int ret = pps_subpic_slice(pps, sps, i, off); | |
| 516 |
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16 | if (ret < 0) |
| 517 | ✗ | return ret; | |
| 518 | } | ||
| 519 | } | ||
| 520 | 4 | return 0; | |
| 521 | } | ||
| 522 | |||
| 523 | 95 | static int pps_one_tile_slices(VVCPPS *pps, const int tile_idx, int i, int *off) | |
| 524 | { | ||
| 525 | 95 | const H266RawPPS *r = pps->r; | |
| 526 | int rx, ry, ctu_y_end, tile_x, tile_y; | ||
| 527 | |||
| 528 | 95 | tile_xy(&tile_x, &tile_y, tile_idx, pps); | |
| 529 | 95 | ctu_xy(&rx, &ry, tile_x, tile_y, pps); | |
| 530 | 95 | ctu_y_end = ry + r->row_height_val[tile_y]; | |
| 531 |
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222 | while (ry < ctu_y_end) { |
| 532 | int ret; | ||
| 533 | 127 | pps->slice_start_offset[i] = *off; | |
| 534 | 127 | ret = pps_add_ctus(pps, off, rx, ry, | |
| 535 | 127 | r->col_width_val[tile_x], r->slice_height_in_ctus[i]); | |
| 536 |
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127 | if (ret < 0) |
| 537 | ✗ | return ret; | |
| 538 | 127 | pps->num_ctus_in_slice[i] = ret; | |
| 539 | 127 | ry += r->slice_height_in_ctus[i++]; | |
| 540 | } | ||
| 541 | 95 | i--; | |
| 542 | 95 | return i; | |
| 543 | } | ||
| 544 | |||
| 545 | 63 | static int pps_multi_tiles_slice(VVCPPS *pps, const int tile_idx, const int i, int *off, bool *tile_in_slice) | |
| 546 | { | ||
| 547 | 63 | const H266RawPPS *r = pps->r; | |
| 548 | int rx, ry, tile_x, tile_y; | ||
| 549 | |||
| 550 | 63 | tile_xy(&tile_x, &tile_y, tile_idx, pps); | |
| 551 | 63 | pps->slice_start_offset[i] = *off; | |
| 552 | 63 | pps->num_ctus_in_slice[i] = 0; | |
| 553 |
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186 | for (int ty = tile_y; ty <= tile_y + r->pps_slice_height_in_tiles_minus1[i]; ty++) { |
| 554 |
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537 | for (int tx = tile_x; tx <= tile_x + r->pps_slice_width_in_tiles_minus1[i]; tx++) { |
| 555 | int ret; | ||
| 556 | 414 | const int idx = ty * r->num_tile_columns + tx; | |
| 557 |
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414 | if (tile_in_slice[idx]) |
| 558 | ✗ | return AVERROR_INVALIDDATA; | |
| 559 | 414 | tile_in_slice[idx] = true; | |
| 560 | 414 | ctu_xy(&rx, &ry, tx, ty, pps); | |
| 561 | 414 | ret = pps_add_ctus(pps, off, rx, ry, | |
| 562 | 414 | r->col_width_val[tx], r->row_height_val[ty]); | |
| 563 |
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414 | if (ret < 0) |
| 564 | ✗ | return ret; | |
| 565 | 414 | pps->num_ctus_in_slice[i] += ret; | |
| 566 | } | ||
| 567 | } | ||
| 568 | |||
| 569 | 63 | return 0; | |
| 570 | } | ||
| 571 | |||
| 572 | 36 | static int pps_rect_slice(VVCPPS *pps, const VVCSPS *sps) | |
| 573 | { | ||
| 574 | 36 | const H266RawPPS *r = pps->r; | |
| 575 | 36 | bool tile_in_slice[VVC_MAX_TILES_PER_AU] = {false}; | |
| 576 | 36 | int tile_idx = 0, off = 0, ret; | |
| 577 | |||
| 578 |
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36 | if (r->pps_single_slice_per_subpic_flag) { |
| 579 | 4 | return pps_single_slice_per_subpic(pps, sps, &off); | |
| 580 | } | ||
| 581 | |||
| 582 |
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190 | for (int i = 0; i < r->pps_num_slices_in_pic_minus1 + 1; i++) { |
| 583 |
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158 | if (!r->pps_slice_width_in_tiles_minus1[i] && |
| 584 |
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101 | !r->pps_slice_height_in_tiles_minus1[i]) { |
| 585 |
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95 | if (tile_in_slice[tile_idx]) |
| 586 | ✗ | return AVERROR_INVALIDDATA; | |
| 587 | 95 | tile_in_slice[tile_idx] = true; | |
| 588 | 95 | ret = pps_one_tile_slices(pps, tile_idx, i, &off); | |
| 589 |
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95 | if (ret < 0) |
| 590 | ✗ | return ret; | |
| 591 | 95 | i = ret; | |
| 592 | } else { | ||
| 593 | 63 | ret = pps_multi_tiles_slice(pps, tile_idx, i, &off, tile_in_slice); | |
| 594 |
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63 | if (ret < 0) |
| 595 | ✗ | return ret; | |
| 596 | } | ||
| 597 | 158 | tile_idx = next_tile_idx(tile_idx, i, r); | |
| 598 | } | ||
| 599 | |||
| 600 |
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541 | for (int i = 0; i < r->num_tiles_in_pic; i++) { |
| 601 |
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509 | if (!tile_in_slice[i]) |
| 602 | ✗ | return AVERROR_INVALIDDATA; | |
| 603 | } | ||
| 604 | |||
| 605 | 32 | return 0; | |
| 606 | } | ||
| 607 | |||
| 608 | 156 | static int pps_no_rect_slice(VVCPPS* pps) | |
| 609 | { | ||
| 610 | 156 | const H266RawPPS* r = pps->r; | |
| 611 | 156 | int rx, ry, off = 0; | |
| 612 | |||
| 613 |
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320 | for (int tile_y = 0; tile_y < r->num_tile_rows; tile_y++) { |
| 614 |
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368 | for (int tile_x = 0; tile_x < r->num_tile_columns; tile_x++) { |
| 615 | int ret; | ||
| 616 | 204 | ctu_xy(&rx, &ry, tile_x, tile_y, pps); | |
| 617 | 204 | ret = pps_add_ctus(pps, &off, rx, ry, r->col_width_val[tile_x], r->row_height_val[tile_y]); | |
| 618 |
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204 | if (ret < 0) |
| 619 | ✗ | return ret; | |
| 620 | } | ||
| 621 | } | ||
| 622 | |||
| 623 | 156 | return 0; | |
| 624 | } | ||
| 625 | |||
| 626 | 192 | static int pps_slice_map(VVCPPS *pps, const VVCSPS *sps) | |
| 627 | { | ||
| 628 | int ret; | ||
| 629 | |||
| 630 | 192 | pps->ctb_addr_in_slice = av_calloc(pps->ctb_count, sizeof(*pps->ctb_addr_in_slice)); | |
| 631 |
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192 | if (!pps->ctb_addr_in_slice) |
| 632 | ✗ | return AVERROR(ENOMEM); | |
| 633 | |||
| 634 |
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192 | if (pps->r->pps_rect_slice_flag) |
| 635 | 36 | return pps_rect_slice(pps, sps); | |
| 636 | |||
| 637 | 156 | ret = pps_no_rect_slice(pps); | |
| 638 |
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156 | if (ret < 0) |
| 639 | ✗ | return ret; | |
| 640 | |||
| 641 | 156 | return 0; | |
| 642 | } | ||
| 643 | |||
| 644 | 192 | static void pps_ref_wraparound_offset(VVCPPS *pps, const VVCSPS *sps) | |
| 645 | { | ||
| 646 | 192 | const H266RawPPS *r = pps->r; | |
| 647 | |||
| 648 |
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192 | if (r->pps_ref_wraparound_enabled_flag) |
| 649 | 3 | pps->ref_wraparound_offset = (pps->width / sps->min_cb_size_y) - r->pps_pic_width_minus_wraparound_offset; | |
| 650 | 192 | } | |
| 651 | |||
| 652 | 192 | static void pps_subpic(VVCPPS *pps, const VVCSPS *sps) | |
| 653 | { | ||
| 654 | 192 | const H266RawSPS *rsps = sps->r; | |
| 655 |
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464 | for (int i = 0; i < rsps->sps_num_subpics_minus1 + 1; i++) { |
| 656 |
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272 | if (rsps->sps_subpic_treated_as_pic_flag[i]) { |
| 657 | 109 | pps->subpic_x[i] = rsps->sps_subpic_ctu_top_left_x[i] << sps->ctb_log2_size_y; | |
| 658 | 109 | pps->subpic_y[i] = rsps->sps_subpic_ctu_top_left_y[i] << sps->ctb_log2_size_y; | |
| 659 | 109 | pps->subpic_width[i] = FFMIN(pps->width - pps->subpic_x[i], (rsps->sps_subpic_width_minus1[i] + 1) << sps->ctb_log2_size_y); | |
| 660 | 109 | pps->subpic_height[i] = FFMIN(pps->height - pps->subpic_y[i], (rsps->sps_subpic_height_minus1[i] + 1) << sps->ctb_log2_size_y); | |
| 661 | } else { | ||
| 662 | 163 | pps->subpic_x[i] = 0; | |
| 663 | 163 | pps->subpic_y[i] = 0; | |
| 664 | 163 | pps->subpic_width[i] = pps->width; | |
| 665 | 163 | pps->subpic_height[i] = pps->height; | |
| 666 | } | ||
| 667 | } | ||
| 668 | 192 | } | |
| 669 | |||
| 670 | 192 | static int pps_derive(VVCPPS *pps, const VVCSPS *sps) | |
| 671 | { | ||
| 672 | int ret; | ||
| 673 | |||
| 674 | 192 | pps_chroma_qp_offset(pps); | |
| 675 | 192 | pps_width_height(pps, sps); | |
| 676 | |||
| 677 | 192 | ret = pps_bd(pps); | |
| 678 |
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192 | if (ret < 0) |
| 679 | ✗ | return ret; | |
| 680 | |||
| 681 | 192 | ret = pps_slice_map(pps, sps); | |
| 682 |
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192 | if (ret < 0) |
| 683 | ✗ | return ret; | |
| 684 | |||
| 685 | 192 | pps_ref_wraparound_offset(pps, sps); | |
| 686 | 192 | pps_subpic(pps, sps); | |
| 687 | |||
| 688 | 192 | return 0; | |
| 689 | } | ||
| 690 | |||
| 691 | 192 | static void pps_free(AVRefStructOpaque opaque, void *obj) | |
| 692 | { | ||
| 693 | 192 | VVCPPS *pps = obj; | |
| 694 | |||
| 695 | 192 | av_refstruct_unref(&pps->r); | |
| 696 | |||
| 697 | 192 | av_freep(&pps->col_bd); | |
| 698 | 192 | av_freep(&pps->row_bd); | |
| 699 | 192 | av_freep(&pps->ctb_to_col_bd); | |
| 700 | 192 | av_freep(&pps->ctb_to_row_bd); | |
| 701 | 192 | av_freep(&pps->ctb_addr_in_slice); | |
| 702 | 192 | } | |
| 703 | |||
| 704 | 192 | static const VVCPPS *pps_alloc(const H266RawPPS *rpps, const VVCSPS *sps) | |
| 705 | { | ||
| 706 | int ret; | ||
| 707 | 192 | VVCPPS *pps = av_refstruct_alloc_ext(sizeof(*pps), 0, NULL, pps_free); | |
| 708 | |||
| 709 |
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192 | if (!pps) |
| 710 | ✗ | return NULL; | |
| 711 | |||
| 712 | 192 | av_refstruct_replace(&pps->r, rpps); | |
| 713 | |||
| 714 | 192 | ret = pps_derive(pps, sps); | |
| 715 |
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192 | if (ret < 0) |
| 716 | ✗ | goto fail; | |
| 717 | |||
| 718 | 192 | return pps; | |
| 719 | |||
| 720 | ✗ | fail: | |
| 721 | ✗ | av_refstruct_unref(&pps); | |
| 722 | ✗ | return NULL; | |
| 723 | } | ||
| 724 | |||
| 725 | 961 | static int decode_pps(VVCParamSets *ps, const H266RawPPS *rpps) | |
| 726 | { | ||
| 727 | 961 | int ret = 0; | |
| 728 | 961 | const int pps_id = rpps->pps_pic_parameter_set_id; | |
| 729 | 961 | const int sps_id = rpps->pps_seq_parameter_set_id; | |
| 730 | 961 | const VVCPPS *old_pps = ps->pps_list[pps_id]; | |
| 731 | const VVCPPS *pps; | ||
| 732 | |||
| 733 |
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|
961 | if (old_pps && old_pps->r == rpps) |
| 734 | 769 | return 0; | |
| 735 | |||
| 736 | 192 | pps = pps_alloc(rpps, ps->sps_list[sps_id]); | |
| 737 |
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|
192 | if (!pps) |
| 738 | ✗ | return AVERROR(ENOMEM); | |
| 739 | |||
| 740 | 192 | av_refstruct_unref(&ps->pps_list[pps_id]); | |
| 741 | 192 | ps->pps_list[pps_id] = pps; | |
| 742 | |||
| 743 | 192 | return ret; | |
| 744 | } | ||
| 745 | |||
| 746 | 961 | static int decode_ps(VVCParamSets *ps, AVCodecContext *c, const CodedBitstreamH266Context *h266, int is_clvss) | |
| 747 | { | ||
| 748 | 961 | const H266RawPictureHeader *ph = h266->ph; | |
| 749 | const H266RawPPS *rpps; | ||
| 750 | const H266RawSPS *rsps; | ||
| 751 | int ret; | ||
| 752 | |||
| 753 |
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|
961 | if (!ph) |
| 754 | ✗ | return AVERROR_INVALIDDATA; | |
| 755 | |||
| 756 | 961 | rpps = h266->pps[ph->ph_pic_parameter_set_id]; | |
| 757 |
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961 | if (!rpps) |
| 758 | ✗ | return AVERROR_INVALIDDATA; | |
| 759 | |||
| 760 | 961 | rsps = h266->sps[rpps->pps_seq_parameter_set_id]; | |
| 761 |
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961 | if (!rsps) |
| 762 | ✗ | return AVERROR_INVALIDDATA; | |
| 763 | |||
| 764 | 961 | ret = decode_sps(ps, c, rsps, is_clvss); | |
| 765 |
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961 | if (ret < 0) |
| 766 | ✗ | return ret; | |
| 767 | |||
| 768 |
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961 | if (rsps->sps_log2_ctu_size_minus5 > 2) { |
| 769 | // CTU > 128 are reserved in vvc spec v3 | ||
| 770 | ✗ | av_log(c, AV_LOG_ERROR, "CTU size > 128. \n"); | |
| 771 | ✗ | return AVERROR_PATCHWELCOME; | |
| 772 | } | ||
| 773 | |||
| 774 | 961 | ret = decode_pps(ps, rpps); | |
| 775 |
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961 | if (ret < 0) |
| 776 | ✗ | return ret; | |
| 777 | |||
| 778 | 961 | return 0; | |
| 779 | } | ||
| 780 | |||
| 781 | #define WEIGHT_TABLE(x) \ | ||
| 782 | w->nb_weights[L##x] = r->num_weights_l##x; \ | ||
| 783 | for (int i = 0; i < w->nb_weights[L##x]; i++) { \ | ||
| 784 | w->weight_flag[L##x][LUMA][i] = r->luma_weight_l##x##_flag[i]; \ | ||
| 785 | w->weight_flag[L##x][CHROMA][i] = r->chroma_weight_l##x##_flag[i]; \ | ||
| 786 | w->weight[L##x][LUMA][i] = denom[LUMA] + r->delta_luma_weight_l##x[i]; \ | ||
| 787 | w->offset[L##x][LUMA][i] = r->luma_offset_l##x[i]; \ | ||
| 788 | for (int j = CB; j <= CR; j++) { \ | ||
| 789 | w->weight[L##x][j][i] = denom[CHROMA] + r->delta_chroma_weight_l##x[i][j - 1]; \ | ||
| 790 | w->offset[L##x][j][i] = 128 + r->delta_chroma_offset_l##x[i][j - 1]; \ | ||
| 791 | w->offset[L##x][j][i] -= (128 * w->weight[L##x][j][i]) >> w->log2_denom[CHROMA]; \ | ||
| 792 | w->offset[L##x][j][i] = av_clip_intp2(w->offset[L##x][j][i], 7); \ | ||
| 793 | } \ | ||
| 794 | } \ | ||
| 795 | |||
| 796 | 73 | static void pred_weight_table(PredWeightTable *w, const H266RawPredWeightTable *r) | |
| 797 | { | ||
| 798 | int denom[2]; | ||
| 799 | |||
| 800 | 73 | w->log2_denom[LUMA] = r->luma_log2_weight_denom; | |
| 801 | 73 | w->log2_denom[CHROMA] = w->log2_denom[LUMA] + r->delta_chroma_log2_weight_denom; | |
| 802 | 73 | denom[LUMA] = 1 << w->log2_denom[LUMA]; | |
| 803 | 73 | denom[CHROMA] = 1 << w->log2_denom[CHROMA]; | |
| 804 |
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1318 | WEIGHT_TABLE(0) |
| 805 |
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1138 | WEIGHT_TABLE(1) |
| 806 | 73 | } | |
| 807 | |||
| 808 | // 8.3.1 Decoding process for picture order count | ||
| 809 | 961 | static int ph_compute_poc(const H266RawPictureHeader *ph, const H266RawSPS *sps, const int poc_tid0, const int is_clvss) | |
| 810 | { | ||
| 811 | 961 | const int max_poc_lsb = 1 << (sps->sps_log2_max_pic_order_cnt_lsb_minus4 + 4); | |
| 812 | 961 | const int prev_poc_lsb = poc_tid0 % max_poc_lsb; | |
| 813 | 961 | const int prev_poc_msb = poc_tid0 - prev_poc_lsb; | |
| 814 | 961 | const int poc_lsb = ph->ph_pic_order_cnt_lsb; | |
| 815 | int poc_msb; | ||
| 816 | |||
| 817 |
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961 | if (ph->ph_poc_msb_cycle_present_flag) { |
| 818 | ✗ | poc_msb = ph->ph_poc_msb_cycle_val * max_poc_lsb; | |
| 819 |
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961 | } else if (is_clvss) { |
| 820 | 103 | poc_msb = 0; | |
| 821 | } else { | ||
| 822 |
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858 | if (poc_lsb < prev_poc_lsb && prev_poc_lsb - poc_lsb >= max_poc_lsb / 2) |
| 823 | ✗ | poc_msb = prev_poc_msb + max_poc_lsb; | |
| 824 |
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858 | else if (poc_lsb > prev_poc_lsb && poc_lsb - prev_poc_lsb > max_poc_lsb / 2) |
| 825 | ✗ | poc_msb = prev_poc_msb - max_poc_lsb; | |
| 826 | else | ||
| 827 | 858 | poc_msb = prev_poc_msb; | |
| 828 | } | ||
| 829 | |||
| 830 | 961 | return poc_msb + poc_lsb; | |
| 831 | } | ||
| 832 | |||
| 833 | 761856 | static av_always_inline uint16_t lmcs_derive_lut_sample(uint16_t sample, | |
| 834 | uint16_t *pivot1, uint16_t *pivot2, uint16_t *scale_coeff, const int idx, const int max) | ||
| 835 | { | ||
| 836 | 761856 | const int lut_sample = | |
| 837 | 761856 | pivot1[idx] + ((scale_coeff[idx] * (sample - pivot2[idx]) + (1<< 10)) >> 11); | |
| 838 | 761856 | return av_clip(lut_sample, 0, max - 1); | |
| 839 | } | ||
| 840 | |||
| 841 | //8.8.2.2 Inverse mapping process for a luma sample | ||
| 842 | 372 | static int lmcs_derive_lut(VVCLMCS *lmcs, const H266RawAPS *rlmcs, const H266RawSPS *sps) | |
| 843 | { | ||
| 844 | 372 | const int bit_depth = (sps->sps_bitdepth_minus8 + 8); | |
| 845 | 372 | const int max = (1 << bit_depth); | |
| 846 | 372 | const int org_cw = max / LMCS_MAX_BIN_SIZE; | |
| 847 | 372 | const int shift = av_log2(org_cw); | |
| 848 | 372 | const int off = 1 << (shift - 1); | |
| 849 | int cw[LMCS_MAX_BIN_SIZE]; | ||
| 850 | uint16_t input_pivot[LMCS_MAX_BIN_SIZE]; | ||
| 851 | uint16_t scale_coeff[LMCS_MAX_BIN_SIZE]; | ||
| 852 | uint16_t inv_scale_coeff[LMCS_MAX_BIN_SIZE]; | ||
| 853 | 372 | int i, delta_crs, sum_cw = 0; | |
| 854 |
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372 | if (bit_depth > LMCS_MAX_BIT_DEPTH) |
| 855 | ✗ | return AVERROR_PATCHWELCOME; | |
| 856 | |||
| 857 |
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372 | if (!rlmcs) |
| 858 | ✗ | return AVERROR_INVALIDDATA; | |
| 859 | |||
| 860 | 372 | lmcs->min_bin_idx = rlmcs->lmcs_min_bin_idx; | |
| 861 | 372 | lmcs->max_bin_idx = LMCS_MAX_BIN_SIZE - 1 - rlmcs->lmcs_delta_max_bin_idx; | |
| 862 | |||
| 863 | 372 | memset(cw, 0, sizeof(cw)); | |
| 864 |
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5319 | for (int i = lmcs->min_bin_idx; i <= lmcs->max_bin_idx; i++) { |
| 865 | 4947 | cw[i] = org_cw + (1 - 2 * rlmcs->lmcs_delta_sign_cw_flag[i]) * rlmcs->lmcs_delta_abs_cw[i]; | |
| 866 | 4947 | sum_cw += cw[i]; | |
| 867 | } | ||
| 868 |
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372 | if (sum_cw > (1 << bit_depth) - 1) |
| 869 | ✗ | return AVERROR_INVALIDDATA; | |
| 870 | |||
| 871 | 372 | delta_crs = (1 - 2 * rlmcs->lmcs_delta_sign_crs_flag) * rlmcs->lmcs_delta_abs_crs; | |
| 872 | |||
| 873 | 372 | lmcs->pivot[0] = 0; | |
| 874 |
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6324 | for (i = 0; i < LMCS_MAX_BIN_SIZE; i++) { |
| 875 | 5952 | input_pivot[i] = i * org_cw; | |
| 876 | 5952 | lmcs->pivot[i + 1] = lmcs->pivot[i] + cw[i]; | |
| 877 |
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5952 | if (i >= lmcs->min_bin_idx && i <= lmcs->max_bin_idx && |
| 878 |
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4947 | lmcs->pivot[i] % (1 << (bit_depth - 5)) != 0 && |
| 879 |
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4375 | lmcs->pivot[i] >> (bit_depth - 5) == lmcs->pivot[i + 1] >> (bit_depth - 5)) |
| 880 | ✗ | return AVERROR_INVALIDDATA; | |
| 881 | 5952 | scale_coeff[i] = (cw[i] * (1 << 11) + off) >> shift; | |
| 882 |
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5952 | if (cw[i] == 0) { |
| 883 | 1005 | inv_scale_coeff[i] = 0; | |
| 884 | 1005 | lmcs->chroma_scale_coeff[i] = (1 << 11); | |
| 885 | } else { | ||
| 886 | 4947 | const int cw_plus_d = cw[i] + delta_crs; | |
| 887 |
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4947 | if (cw_plus_d < (org_cw >> 3) || cw_plus_d > ((org_cw << 3) - 1)) |
| 888 | ✗ | return AVERROR_INVALIDDATA; | |
| 889 | 4947 | inv_scale_coeff[i] = org_cw * (1 << 11) / cw[i]; | |
| 890 | 4947 | lmcs->chroma_scale_coeff[i] = org_cw * (1 << 11) / cw_plus_d; | |
| 891 | } | ||
| 892 | } | ||
| 893 | |||
| 894 | //derive lmcs_fwd_lut | ||
| 895 |
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381300 | for (uint16_t sample = 0; sample < max; sample++) { |
| 896 | 380928 | const int idx_y = sample >> shift; | |
| 897 | 380928 | const uint16_t fwd_sample = lmcs_derive_lut_sample(sample, lmcs->pivot, | |
| 898 | input_pivot, scale_coeff, idx_y, max); | ||
| 899 |
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380928 | if (bit_depth > 8) |
| 900 | 380928 | lmcs->fwd_lut.u16[sample] = fwd_sample; | |
| 901 | else | ||
| 902 | ✗ | lmcs->fwd_lut.u8 [sample] = fwd_sample; | |
| 903 | |||
| 904 | } | ||
| 905 | |||
| 906 | //derive lmcs_inv_lut | ||
| 907 | 372 | i = lmcs->min_bin_idx; | |
| 908 |
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381300 | for (uint16_t sample = 0; sample < max; sample++) { |
| 909 | uint16_t inv_sample; | ||
| 910 |
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385875 | while (i <= lmcs->max_bin_idx && sample >= lmcs->pivot[i + 1]) |
| 911 | 4947 | i++; | |
| 912 | 380928 | i = FFMIN(i, LMCS_MAX_BIN_SIZE - 1); | |
| 913 | |||
| 914 | 380928 | inv_sample = lmcs_derive_lut_sample(sample, input_pivot, lmcs->pivot, | |
| 915 | inv_scale_coeff, i, max); | ||
| 916 | |||
| 917 |
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380928 | if (bit_depth > 8) |
| 918 | 380928 | lmcs->inv_lut.u16[sample] = inv_sample; | |
| 919 | else | ||
| 920 | ✗ | lmcs->inv_lut.u8 [sample] = inv_sample; | |
| 921 | } | ||
| 922 | |||
| 923 | 372 | return 0; | |
| 924 | } | ||
| 925 | |||
| 926 | 961 | static int ph_max_num_subblock_merge_cand(const H266RawSPS *sps, const H266RawPictureHeader *ph) | |
| 927 | { | ||
| 928 |
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961 | if (sps->sps_affine_enabled_flag) |
| 929 | 956 | return 5 - sps->sps_five_minus_max_num_subblock_merge_cand; | |
| 930 |
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5 | return sps->sps_sbtmvp_enabled_flag && ph->ph_temporal_mvp_enabled_flag; |
| 931 | } | ||
| 932 | |||
| 933 | 42 | static int ph_vb_pos(uint16_t *vbs, uint8_t *num_vbs, const uint16_t *pos_minus_1, const uint8_t num_pos, uint16_t max, const int ctb_size_y) | |
| 934 | { | ||
| 935 | 42 | max = FF_CEIL_RSHIFT(max, 3) - 2; | |
| 936 |
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42 | for (int i = 0; i < num_pos; i++) { |
| 937 | ✗ | if (pos_minus_1[i] > max) | |
| 938 | ✗ | return AVERROR_INVALIDDATA; | |
| 939 | |||
| 940 | ✗ | vbs[i] = (pos_minus_1[i] + 1) << 3; | |
| 941 | |||
| 942 | // The distance between any two vertical virtual boundaries shall be greater than or equal to CtbSizeY luma samples | ||
| 943 | ✗ | if (i && vbs[i] < vbs[i - 1] + ctb_size_y) | |
| 944 | ✗ | return AVERROR_INVALIDDATA; | |
| 945 | } | ||
| 946 | 42 | *num_vbs = num_pos; | |
| 947 | |||
| 948 | 42 | return 0; | |
| 949 | } | ||
| 950 | |||
| 951 | #define VBF(f) (sps->sps_virtual_boundaries_present_flag ? sps->sps_##f : ph->r->ph_##f) | ||
| 952 | #define VBFS(c, d) VBF(virtual_boundary_pos_##c##_minus1), VBF(num_##d##_virtual_boundaries) | ||
| 953 | |||
| 954 | 961 | static int ph_vb(VVCPH *ph, const H266RawSPS *sps, const H266RawPPS *pps) | |
| 955 | { | ||
| 956 | 961 | const int ctb_size_y = 1 << (sps->sps_log2_ctu_size_minus5 + 5); | |
| 957 | int ret; | ||
| 958 | |||
| 959 |
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961 | if (!sps->sps_virtual_boundaries_enabled_flag) |
| 960 | 940 | return 0; | |
| 961 | |||
| 962 |
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|
21 | ret = ph_vb_pos(ph->vb_pos_x, &ph->num_ver_vbs, VBFS(x, ver), pps->pps_pic_width_in_luma_samples, ctb_size_y); |
| 963 |
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21 | if (ret < 0) |
| 964 | ✗ | return ret; | |
| 965 | |||
| 966 |
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21 | ret = ph_vb_pos(ph->vb_pos_y, &ph->num_hor_vbs, VBFS(y, hor), pps->pps_pic_height_in_luma_samples, ctb_size_y); |
| 967 |
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|
21 | if (ret < 0) |
| 968 | ✗ | return ret; | |
| 969 | |||
| 970 | 21 | return 0; | |
| 971 | } | ||
| 972 | |||
| 973 | 961 | static int ph_derive(VVCPH *ph, const H266RawSPS *sps, const H266RawPPS *pps, const int poc_tid0, const int is_clvss) | |
| 974 | { | ||
| 975 | int ret; | ||
| 976 | 961 | ph->max_num_subblock_merge_cand = ph_max_num_subblock_merge_cand(sps, ph->r); | |
| 977 | |||
| 978 | 961 | ph->poc = ph_compute_poc(ph->r, sps, poc_tid0, is_clvss); | |
| 979 | |||
| 980 |
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|
961 | if (pps->pps_wp_info_in_ph_flag) |
| 981 | ✗ | pred_weight_table(&ph->pwt, &ph->r->ph_pred_weight_table); | |
| 982 | |||
| 983 | 961 | ret = ph_vb(ph, sps, pps); | |
| 984 |
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|
961 | if (ret < 0) |
| 985 | ✗ | return ret; | |
| 986 | |||
| 987 | 961 | return 0; | |
| 988 | } | ||
| 989 | |||
| 990 | 961 | static int decode_ph(VVCFrameParamSets *fps, const H266RawPictureHeader *rph, void *rph_ref, | |
| 991 | const int poc_tid0, const int is_clvss) | ||
| 992 | { | ||
| 993 | int ret; | ||
| 994 | 961 | VVCPH *ph = &fps->ph; | |
| 995 | 961 | const H266RawSPS *sps = fps->sps->r; | |
| 996 | 961 | const H266RawPPS *pps = fps->pps->r; | |
| 997 | |||
| 998 | 961 | ph->r = rph; | |
| 999 | 961 | av_refstruct_replace(&ph->rref, rph_ref); | |
| 1000 | 961 | ret = ph_derive(ph, sps, pps, poc_tid0, is_clvss); | |
| 1001 |
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|
961 | if (ret < 0) |
| 1002 | ✗ | return ret; | |
| 1003 | |||
| 1004 | 961 | return 0; | |
| 1005 | } | ||
| 1006 | |||
| 1007 | 961 | static int decode_frame_ps(VVCFrameParamSets *fps, const VVCParamSets *ps, | |
| 1008 | const CodedBitstreamH266Context *h266, const int poc_tid0, const int is_clvss) | ||
| 1009 | { | ||
| 1010 | 961 | const H266RawPictureHeader *ph = h266->ph; | |
| 1011 | const H266RawPPS *rpps; | ||
| 1012 | int ret; | ||
| 1013 | |||
| 1014 |
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|
961 | if (!ph) |
| 1015 | ✗ | return AVERROR_INVALIDDATA; | |
| 1016 | |||
| 1017 | 961 | rpps = h266->pps[ph->ph_pic_parameter_set_id]; | |
| 1018 |
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|
961 | if (!rpps) |
| 1019 | ✗ | return AVERROR_INVALIDDATA; | |
| 1020 | |||
| 1021 | 961 | av_refstruct_replace(&fps->sps, ps->sps_list[rpps->pps_seq_parameter_set_id]); | |
| 1022 | 961 | av_refstruct_replace(&fps->pps, ps->pps_list[rpps->pps_pic_parameter_set_id]); | |
| 1023 | |||
| 1024 | 961 | ret = decode_ph(fps, ph, h266->ph_ref, poc_tid0, is_clvss); | |
| 1025 |
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961 | if (ret < 0) |
| 1026 | ✗ | return ret; | |
| 1027 | |||
| 1028 |
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961 | if (ph->ph_explicit_scaling_list_enabled_flag) |
| 1029 | 137 | av_refstruct_replace(&fps->sl, ps->scaling_list[ph->ph_scaling_list_aps_id]); | |
| 1030 | |||
| 1031 |
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|
961 | if (ph->ph_lmcs_enabled_flag) { |
| 1032 | 372 | ret = lmcs_derive_lut(&fps->lmcs, ps->lmcs_list[ph->ph_lmcs_aps_id], fps->sps->r); | |
| 1033 |
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372 | if (ret < 0) |
| 1034 | ✗ | return ret; | |
| 1035 | } | ||
| 1036 | |||
| 1037 |
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8649 | for (int i = 0; i < FF_ARRAY_ELEMS(fps->alf_list); i++) |
| 1038 | 7688 | av_refstruct_replace(&fps->alf_list[i], ps->alf_list[i]); | |
| 1039 | |||
| 1040 | 961 | return 0; | |
| 1041 | } | ||
| 1042 | |||
| 1043 | 961 | static void decode_recovery_flag(VVCContext *s) | |
| 1044 | { | ||
| 1045 |
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961 | if (IS_IDR(s)) |
| 1046 | 97 | s->no_output_before_recovery_flag = 1; | |
| 1047 |
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|
864 | else if (IS_CRA(s) || IS_GDR(s)) |
| 1048 | 14 | s->no_output_before_recovery_flag = s->last_eos; | |
| 1049 | 961 | } | |
| 1050 | |||
| 1051 | 961 | static void decode_recovery_poc(VVCContext *s, const VVCPH *ph) | |
| 1052 | { | ||
| 1053 |
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961 | if (s->no_output_before_recovery_flag) { |
| 1054 |
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|
776 | if (IS_GDR(s)) |
| 1055 | 3 | s->gdr_recovery_point_poc = ph->poc + ph->r->ph_recovery_poc_cnt; | |
| 1056 |
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776 | if (!GDR_IS_RECOVERED(s) && s->gdr_recovery_point_poc <= ph->poc) |
| 1057 | 3 | GDR_SET_RECOVERED(s); | |
| 1058 | } | ||
| 1059 | 961 | } | |
| 1060 | |||
| 1061 | 961 | int ff_vvc_decode_frame_ps(VVCFrameParamSets *fps, struct VVCContext *s) | |
| 1062 | { | ||
| 1063 | 961 | int ret = 0; | |
| 1064 | 961 | VVCParamSets *ps = &s->ps; | |
| 1065 | 961 | const CodedBitstreamH266Context *h266 = s->cbc->priv_data; | |
| 1066 | int is_clvss; | ||
| 1067 | |||
| 1068 | 961 | decode_recovery_flag(s); | |
| 1069 |
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|
961 | is_clvss = IS_CLVSS(s); |
| 1070 | |||
| 1071 | 961 | ret = decode_ps(ps, s->avctx, h266, is_clvss); | |
| 1072 |
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|
961 | if (ret < 0) |
| 1073 | ✗ | return ret; | |
| 1074 | |||
| 1075 | 961 | ret = decode_frame_ps(fps, ps, h266, s->poc_tid0, is_clvss); | |
| 1076 | 961 | decode_recovery_poc(s, &fps->ph); | |
| 1077 | 961 | return ret; | |
| 1078 | } | ||
| 1079 | |||
| 1080 | 704 | void ff_vvc_frame_ps_free(VVCFrameParamSets *fps) | |
| 1081 | { | ||
| 1082 | 704 | av_refstruct_unref(&fps->sps); | |
| 1083 | 704 | av_refstruct_unref(&fps->pps); | |
| 1084 | 704 | av_refstruct_unref(&fps->ph.rref); | |
| 1085 | 704 | av_refstruct_unref(&fps->sl); | |
| 1086 |
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6336 | for (int i = 0; i < FF_ARRAY_ELEMS(fps->alf_list); i++) |
| 1087 | 5632 | av_refstruct_unref(&fps->alf_list[i]); | |
| 1088 | 704 | } | |
| 1089 | |||
| 1090 | 88 | void ff_vvc_ps_uninit(VVCParamSets *ps) | |
| 1091 | { | ||
| 1092 |
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792 | for (int i = 0; i < FF_ARRAY_ELEMS(ps->scaling_list); i++) |
| 1093 | 704 | av_refstruct_unref(&ps->scaling_list[i]); | |
| 1094 |
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|
440 | for (int i = 0; i < FF_ARRAY_ELEMS(ps->lmcs_list); i++) |
| 1095 | 352 | av_refstruct_unref(&ps->lmcs_list[i]); | |
| 1096 |
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792 | for (int i = 0; i < FF_ARRAY_ELEMS(ps->alf_list); i++) |
| 1097 | 704 | av_refstruct_unref(&ps->alf_list[i]); | |
| 1098 |
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1496 | for (int i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++) |
| 1099 | 1408 | av_refstruct_unref(&ps->sps_list[i]); | |
| 1100 |
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5720 | for (int i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++) |
| 1101 | 5632 | av_refstruct_unref(&ps->pps_list[i]); | |
| 1102 | 88 | } | |
| 1103 | |||
| 1104 | 7109 | static void alf_coeff(int16_t *coeff, | |
| 1105 | const uint8_t *abs, const uint8_t *sign, const int size) | ||
| 1106 | { | ||
| 1107 |
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88463 | for (int i = 0; i < size; i++) |
| 1108 | 81354 | coeff[i] = (1 - 2 * sign[i]) * abs[i]; | |
| 1109 | 7109 | } | |
| 1110 | |||
| 1111 | 830 | static void alf_coeff_cc(int16_t *coeff, | |
| 1112 | const uint8_t *mapped_abs, const uint8_t *sign) | ||
| 1113 | { | ||
| 1114 |
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6640 | for (int i = 0; i < ALF_NUM_COEFF_CC; i++) { |
| 1115 | 5810 | int c = mapped_abs[i]; | |
| 1116 |
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5810 | if (c) |
| 1117 | 4996 | c = (1 - 2 * sign[i]) * (1 << (c - 1)); | |
| 1118 | 5810 | coeff[i] = c; | |
| 1119 | } | ||
| 1120 | 830 | } | |
| 1121 | |||
| 1122 | 304 | static void alf_luma(VVCALF *alf, const H266RawAPS *aps) | |
| 1123 | { | ||
| 1124 |
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304 | if (!aps->alf_luma_filter_signal_flag) |
| 1125 | 46 | return; | |
| 1126 | |||
| 1127 |
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|
6708 | for (int i = 0; i < ALF_NUM_FILTERS_LUMA; i++) { |
| 1128 | 6450 | const int ref = aps->alf_luma_coeff_delta_idx[i]; | |
| 1129 | 6450 | const uint8_t *abs = aps->alf_luma_coeff_abs[ref]; | |
| 1130 | 6450 | const uint8_t *sign = aps->alf_luma_coeff_sign[ref]; | |
| 1131 | |||
| 1132 | 6450 | alf_coeff(alf->luma_coeff[i], abs, sign, ALF_NUM_COEFF_LUMA); | |
| 1133 | 6450 | memcpy(alf->luma_clip_idx[i], aps->alf_luma_clip_idx[ref], | |
| 1134 | sizeof(alf->luma_clip_idx[i])); | ||
| 1135 | } | ||
| 1136 | } | ||
| 1137 | |||
| 1138 | 304 | static void alf_chroma(VVCALF *alf, const H266RawAPS *aps) | |
| 1139 | { | ||
| 1140 |
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304 | if (!aps->alf_chroma_filter_signal_flag) |
| 1141 | 85 | return; | |
| 1142 | |||
| 1143 | 219 | alf->num_chroma_filters = aps->alf_chroma_num_alt_filters_minus1 + 1; | |
| 1144 |
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878 | for (int i = 0; i < alf->num_chroma_filters; i++) { |
| 1145 | 659 | const uint8_t *abs = aps->alf_chroma_coeff_abs[i]; | |
| 1146 | 659 | const uint8_t *sign = aps->alf_chroma_coeff_sign[i]; | |
| 1147 | |||
| 1148 | 659 | alf_coeff(alf->chroma_coeff[i], abs, sign, ALF_NUM_COEFF_CHROMA); | |
| 1149 | 659 | memcpy(alf->chroma_clip_idx[i], aps->alf_chroma_clip_idx[i], | |
| 1150 | sizeof(alf->chroma_clip_idx[i])); | ||
| 1151 | } | ||
| 1152 | } | ||
| 1153 | |||
| 1154 | 304 | static void alf_cc(VVCALF *alf, const H266RawAPS *aps) | |
| 1155 | { | ||
| 1156 | 304 | const uint8_t (*abs[])[ALF_NUM_COEFF_CC] = | |
| 1157 | 304 | { aps->alf_cc_cb_mapped_coeff_abs, aps->alf_cc_cr_mapped_coeff_abs }; | |
| 1158 | 304 | const uint8_t (*sign[])[ALF_NUM_COEFF_CC] = | |
| 1159 | 304 | {aps->alf_cc_cb_coeff_sign, aps->alf_cc_cr_coeff_sign }; | |
| 1160 | 304 | const int signaled[] = { aps->alf_cc_cb_filter_signal_flag, aps->alf_cc_cr_filter_signal_flag}; | |
| 1161 | |||
| 1162 | 304 | alf->num_cc_filters[0] = aps->alf_cc_cb_filters_signalled_minus1 + 1; | |
| 1163 | 304 | alf->num_cc_filters[1] = aps->alf_cc_cr_filters_signalled_minus1 + 1; | |
| 1164 | |||
| 1165 |
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|
912 | for (int idx = 0; idx < 2; idx++) { |
| 1166 |
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|
608 | if (signaled[idx]) { |
| 1167 |
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1106 | for (int i = 0; i < alf->num_cc_filters[idx]; i++) |
| 1168 | 830 | alf_coeff_cc(alf->cc_coeff[idx][i], abs[idx][i], sign[idx][i]); | |
| 1169 | } | ||
| 1170 | } | ||
| 1171 | 304 | } | |
| 1172 | |||
| 1173 | 304 | static void alf_derive(VVCALF *alf, const H266RawAPS *aps) | |
| 1174 | { | ||
| 1175 | 304 | alf_luma(alf, aps); | |
| 1176 | 304 | alf_chroma(alf, aps); | |
| 1177 | 304 | alf_cc(alf, aps); | |
| 1178 | 304 | } | |
| 1179 | |||
| 1180 | 304 | static void alf_free(AVRefStructOpaque unused, void *obj) | |
| 1181 | { | ||
| 1182 | 304 | VVCALF *alf = obj; | |
| 1183 | |||
| 1184 | 304 | av_refstruct_unref(&alf->r); | |
| 1185 | 304 | } | |
| 1186 | |||
| 1187 | 304 | static int aps_decode_alf(const VVCALF **alf, const H266RawAPS *aps) | |
| 1188 | { | ||
| 1189 | 304 | VVCALF *a = av_refstruct_alloc_ext(sizeof(*a), 0, NULL, alf_free); | |
| 1190 |
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304 | if (!a) |
| 1191 | ✗ | return AVERROR(ENOMEM); | |
| 1192 | |||
| 1193 | 304 | alf_derive(a, aps); | |
| 1194 | 304 | av_refstruct_replace(&a->r, aps); | |
| 1195 | 304 | av_refstruct_replace(alf, a); | |
| 1196 | 304 | av_refstruct_unref(&a); | |
| 1197 | |||
| 1198 | 304 | return 0; | |
| 1199 | } | ||
| 1200 | |||
| 1201 | 280 | static int is_luma_list(const int id) | |
| 1202 | { | ||
| 1203 |
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280 | return id % VVC_MAX_SAMPLE_ARRAYS == SL_START_4x4 || id == SL_START_64x64 + 1; |
| 1204 | } | ||
| 1205 | |||
| 1206 | 448 | static int derive_matrix_size(const int id) | |
| 1207 | { | ||
| 1208 |
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448 | return id < SL_START_4x4 ? 2 : (id < SL_START_8x8 ? 4 : 8); |
| 1209 | } | ||
| 1210 | |||
| 1211 | // 7.4.3.20 Scaling list data semantics | ||
| 1212 | 16 | static void scaling_derive(VVCScalingList *sl, const H266RawAPS *aps) | |
| 1213 | { | ||
| 1214 |
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464 | for (int id = 0; id < SL_MAX_ID; id++) { |
| 1215 | 448 | const int matrix_size = derive_matrix_size(id); | |
| 1216 | 448 | const int log2_size = av_log2(matrix_size); | |
| 1217 | 448 | const int list_size = matrix_size * matrix_size; | |
| 1218 | int coeff[SL_MAX_MATRIX_SIZE * SL_MAX_MATRIX_SIZE]; | ||
| 1219 | const uint8_t *pred; | ||
| 1220 | const int *scaling_list; | ||
| 1221 | 448 | int dc = 0; | |
| 1222 | |||
| 1223 |
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448 | if (aps->aps_chroma_present_flag || is_luma_list(id)) { |
| 1224 |
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268 | if (!aps->scaling_list_copy_mode_flag[id]) { |
| 1225 | 122 | int next_coef = 0; | |
| 1226 | |||
| 1227 |
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122 | if (id >= SL_START_16x16) |
| 1228 | 36 | dc = next_coef = aps->scaling_list_dc_coef[id - SL_START_16x16]; | |
| 1229 | |||
| 1230 |
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5626 | for (int i = 0; i < list_size; i++) { |
| 1231 | 5504 | const int x = ff_vvc_diag_scan_x[3][3][i]; | |
| 1232 | 5504 | const int y = ff_vvc_diag_scan_y[3][3][i]; | |
| 1233 | |||
| 1234 |
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5504 | if (!(id >= SL_START_64x64 && x >= 4 && y >= 4)) |
| 1235 | 5408 | next_coef += aps->scaling_list_delta_coef[id][i]; | |
| 1236 | 5504 | coeff[i] = next_coef; | |
| 1237 | } | ||
| 1238 | } | ||
| 1239 | } | ||
| 1240 | |||
| 1241 | //dc | ||
| 1242 |
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448 | if (id >= SL_START_16x16) { |
| 1243 |
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224 | if (!aps->scaling_list_copy_mode_flag[id] && !aps->scaling_list_pred_mode_flag[id]) { |
| 1244 | 4 | dc += 8; | |
| 1245 |
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220 | } else if (!aps->scaling_list_pred_id_delta[id]) { |
| 1246 | 80 | dc += 16; | |
| 1247 | } else { | ||
| 1248 | 140 | const int ref_id = id - aps->scaling_list_pred_id_delta[id]; | |
| 1249 |
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140 | if (ref_id >= SL_START_16x16) |
| 1250 | 94 | dc += sl->scaling_matrix_dc_rec[ref_id - SL_START_16x16]; | |
| 1251 | else | ||
| 1252 | 46 | dc += sl->scaling_matrix_rec[ref_id][0]; | |
| 1253 | } | ||
| 1254 | 224 | sl->scaling_matrix_dc_rec[id - SL_START_16x16] = dc & 255; | |
| 1255 | } | ||
| 1256 | |||
| 1257 | //ac | ||
| 1258 |
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448 | scaling_list = aps->scaling_list_copy_mode_flag[id] ? ff_vvc_scaling_list0 : coeff; |
| 1259 |
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448 | if (!aps->scaling_list_copy_mode_flag[id] && !aps->scaling_list_pred_mode_flag[id]) |
| 1260 | 46 | pred = ff_vvc_scaling_pred_8; | |
| 1261 |
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|
402 | else if (!aps->scaling_list_pred_id_delta[id]) |
| 1262 | 194 | pred = ff_vvc_scaling_pred_16; | |
| 1263 | else | ||
| 1264 | 208 | pred = sl->scaling_matrix_rec[id - aps->scaling_list_pred_id_delta[id]]; | |
| 1265 |
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|
22592 | for (int i = 0; i < list_size; i++) { |
| 1266 | 22144 | const int x = ff_vvc_diag_scan_x[log2_size][log2_size][i]; | |
| 1267 | 22144 | const int y = ff_vvc_diag_scan_y[log2_size][log2_size][i]; | |
| 1268 | 22144 | const int off = y * matrix_size + x; | |
| 1269 | 22144 | sl->scaling_matrix_rec[id][off] = (pred[off] + scaling_list[i]) & 255; | |
| 1270 | } | ||
| 1271 | } | ||
| 1272 | 16 | } | |
| 1273 | |||
| 1274 | 16 | static int aps_decode_scaling(const VVCScalingList **scaling, const H266RawAPS *aps) | |
| 1275 | { | ||
| 1276 | 16 | VVCScalingList *sl = av_refstruct_allocz(sizeof(*sl)); | |
| 1277 |
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16 | if (!sl) |
| 1278 | ✗ | return AVERROR(ENOMEM); | |
| 1279 | |||
| 1280 | 16 | scaling_derive(sl, aps); | |
| 1281 | 16 | av_refstruct_replace(scaling, sl); | |
| 1282 | 16 | av_refstruct_unref(&sl); | |
| 1283 | |||
| 1284 | 16 | return 0; | |
| 1285 | } | ||
| 1286 | |||
| 1287 | 401 | int ff_vvc_decode_aps(VVCParamSets *ps, const CodedBitstreamUnit *unit) | |
| 1288 | { | ||
| 1289 | 401 | const H266RawAPS *aps = unit->content_ref; | |
| 1290 | 401 | int ret = 0; | |
| 1291 | |||
| 1292 |
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401 | if (!aps) |
| 1293 | ✗ | return AVERROR_INVALIDDATA; | |
| 1294 | |||
| 1295 |
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401 | switch (aps->aps_params_type) { |
| 1296 | 304 | case VVC_ASP_TYPE_ALF: | |
| 1297 | 304 | ret = aps_decode_alf(&ps->alf_list[aps->aps_adaptation_parameter_set_id], aps); | |
| 1298 | 304 | break; | |
| 1299 | 81 | case VVC_ASP_TYPE_LMCS: | |
| 1300 | 81 | av_refstruct_replace(&ps->lmcs_list[aps->aps_adaptation_parameter_set_id], aps); | |
| 1301 | 81 | break; | |
| 1302 | 16 | case VVC_ASP_TYPE_SCALING: | |
| 1303 | 16 | ret = aps_decode_scaling(&ps->scaling_list[aps->aps_adaptation_parameter_set_id], aps); | |
| 1304 | 16 | break; | |
| 1305 | } | ||
| 1306 | |||
| 1307 | 401 | return ret; | |
| 1308 | } | ||
| 1309 | |||
| 1310 | 1726 | static int sh_alf_aps(const VVCSH *sh, const VVCFrameParamSets *fps) | |
| 1311 | { | ||
| 1312 |
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1726 | if (!sh->r->sh_alf_enabled_flag) |
| 1313 | 365 | return 0; | |
| 1314 | |||
| 1315 |
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3020 | for (int i = 0; i < sh->r->sh_num_alf_aps_ids_luma; i++) { |
| 1316 | 1659 | const VVCALF *alf_aps_luma = fps->alf_list[sh->r->sh_alf_aps_id_luma[i]]; | |
| 1317 |
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1659 | if (!alf_aps_luma) |
| 1318 | ✗ | return AVERROR_INVALIDDATA; | |
| 1319 | } | ||
| 1320 | |||
| 1321 |
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1361 | if (sh->r->sh_alf_cb_enabled_flag || sh->r->sh_alf_cr_enabled_flag) { |
| 1322 | 783 | const VVCALF *alf_aps_chroma = fps->alf_list[sh->r->sh_alf_aps_id_chroma]; | |
| 1323 |
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783 | if (!alf_aps_chroma) |
| 1324 | ✗ | return AVERROR_INVALIDDATA; | |
| 1325 | } | ||
| 1326 | |||
| 1327 |
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1361 | if (fps->sps->r->sps_ccalf_enabled_flag) { |
| 1328 |
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1302 | if (sh->r->sh_alf_cc_cb_enabled_flag) { |
| 1329 | 216 | const VVCALF *alf_aps_cc_cr = fps->alf_list[sh->r->sh_alf_cc_cb_aps_id]; | |
| 1330 |
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216 | if (!alf_aps_cc_cr) |
| 1331 | ✗ | return AVERROR_INVALIDDATA; | |
| 1332 | } | ||
| 1333 |
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1302 | if (sh->r->sh_alf_cc_cr_enabled_flag) { |
| 1334 | 188 | const VVCALF *alf_aps_cc_cr = fps->alf_list[sh->r->sh_alf_cc_cr_aps_id]; | |
| 1335 |
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188 | if (!alf_aps_cc_cr) |
| 1336 | ✗ | return AVERROR_INVALIDDATA; | |
| 1337 | } | ||
| 1338 | } | ||
| 1339 | |||
| 1340 | 1361 | return 0; | |
| 1341 | } | ||
| 1342 | |||
| 1343 | 1726 | static int sh_slice_address(VVCSH *sh, const H266RawSPS *sps, const VVCPPS *pps) | |
| 1344 | { | ||
| 1345 | 1726 | const int slice_address = sh->r->sh_slice_address; | |
| 1346 | |||
| 1347 |
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1726 | if (pps->r->pps_rect_slice_flag) { |
| 1348 | 684 | int pic_level_slice_idx = slice_address; | |
| 1349 |
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1731 | for (int j = 0; j < sh->r->curr_subpic_idx; j++) |
| 1350 | 1047 | pic_level_slice_idx += pps->r->num_slices_in_subpic[j]; | |
| 1351 | 684 | sh->ctb_addr_in_curr_slice = pps->ctb_addr_in_slice + pps->slice_start_offset[pic_level_slice_idx]; | |
| 1352 | 684 | sh->num_ctus_in_curr_slice = pps->num_ctus_in_slice[pic_level_slice_idx]; | |
| 1353 | } else { | ||
| 1354 | 1042 | int tile_x = slice_address % pps->r->num_tile_columns; | |
| 1355 | 1042 | int tile_y = slice_address / pps->r->num_tile_columns; | |
| 1356 | 1042 | const int slice_start_ctb = pps->row_bd[tile_y] * pps->ctb_width + pps->col_bd[tile_x] * pps->r->row_height_val[tile_y]; | |
| 1357 | |||
| 1358 | 1042 | sh->ctb_addr_in_curr_slice = pps->ctb_addr_in_slice + slice_start_ctb; | |
| 1359 | |||
| 1360 | 1042 | sh->num_ctus_in_curr_slice = 0; | |
| 1361 |
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2164 | for (int tile_idx = slice_address; tile_idx <= slice_address + sh->r->sh_num_tiles_in_slice_minus1; tile_idx++) { |
| 1362 | 1122 | tile_x = tile_idx % pps->r->num_tile_columns; | |
| 1363 | 1122 | tile_y = tile_idx / pps->r->num_tile_columns; | |
| 1364 | 1122 | sh->num_ctus_in_curr_slice += pps->r->row_height_val[tile_y] * pps->r->col_width_val[tile_x]; | |
| 1365 | } | ||
| 1366 | } | ||
| 1367 | |||
| 1368 |
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1726 | if (!sh->num_ctus_in_curr_slice) |
| 1369 | ✗ | return AVERROR_INVALIDDATA; | |
| 1370 | |||
| 1371 | 1726 | return 0; | |
| 1372 | } | ||
| 1373 | |||
| 1374 | 1726 | static void sh_qp_y(VVCSH *sh, const H266RawPPS *pps, const H266RawPictureHeader *ph) | |
| 1375 | { | ||
| 1376 | 1726 | const int init_qp = pps->pps_init_qp_minus26 + 26; | |
| 1377 | |||
| 1378 |
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1726 | if (!pps->pps_qp_delta_info_in_ph_flag) |
| 1379 | 1456 | sh->slice_qp_y = init_qp + sh->r->sh_qp_delta; | |
| 1380 | else | ||
| 1381 | 270 | sh->slice_qp_y = init_qp + ph->ph_qp_delta; | |
| 1382 | 1726 | } | |
| 1383 | |||
| 1384 | 1726 | static void sh_inter(VVCSH *sh, const H266RawSPS *sps, const H266RawPPS *pps) | |
| 1385 | { | ||
| 1386 | 1726 | const H266RawSliceHeader *rsh = sh->r; | |
| 1387 | |||
| 1388 |
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1726 | if (!pps->pps_wp_info_in_ph_flag && |
| 1389 |
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1726 | ((pps->pps_weighted_pred_flag && IS_P(rsh)) || |
| 1390 |
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1714 | (pps->pps_weighted_bipred_flag && IS_B(rsh)))) |
| 1391 | 73 | pred_weight_table(&sh->pwt, &rsh->sh_pred_weight_table); | |
| 1392 | 1726 | } | |
| 1393 | |||
| 1394 | 1726 | static void sh_deblock_offsets(VVCSH *sh) | |
| 1395 | { | ||
| 1396 | 1726 | const H266RawSliceHeader *r = sh->r; | |
| 1397 | |||
| 1398 |
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1726 | if (!r->sh_deblocking_filter_disabled_flag) { |
| 1399 | 1725 | sh->deblock.beta_offset[LUMA] = r->sh_luma_beta_offset_div2 * 2; | |
| 1400 | 1725 | sh->deblock.tc_offset[LUMA] = r->sh_luma_tc_offset_div2 * 2; | |
| 1401 | 1725 | sh->deblock.beta_offset[CB] = r->sh_cb_beta_offset_div2 * 2; | |
| 1402 | 1725 | sh->deblock.tc_offset[CB] = r->sh_cb_tc_offset_div2 * 2; | |
| 1403 | 1725 | sh->deblock.beta_offset[CR] = r->sh_cr_beta_offset_div2 * 2; | |
| 1404 | 1725 | sh->deblock.tc_offset[CR] = r->sh_cr_tc_offset_div2 * 2; | |
| 1405 | } | ||
| 1406 | 1726 | } | |
| 1407 | |||
| 1408 | 1726 | static void sh_partition_constraints(VVCSH *sh, const H266RawSPS *sps, const H266RawPictureHeader *ph) | |
| 1409 | { | ||
| 1410 | 1726 | const int min_cb_log2_size_y = sps->sps_log2_min_luma_coding_block_size_minus2 + 2; | |
| 1411 | int min_qt_log2_size_y[2]; | ||
| 1412 | |||
| 1413 |
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1726 | if (IS_I(sh->r)) { |
| 1414 | 277 | min_qt_log2_size_y[LUMA] = (min_cb_log2_size_y + ph->ph_log2_diff_min_qt_min_cb_intra_slice_luma); | |
| 1415 | 277 | min_qt_log2_size_y[CHROMA] = (min_cb_log2_size_y + ph->ph_log2_diff_min_qt_min_cb_intra_slice_chroma); | |
| 1416 | |||
| 1417 | 277 | sh->max_bt_size[LUMA] = 1 << (min_qt_log2_size_y[LUMA] + ph->ph_log2_diff_max_bt_min_qt_intra_slice_luma); | |
| 1418 | 277 | sh->max_bt_size[CHROMA] = 1 << (min_qt_log2_size_y[CHROMA]+ ph->ph_log2_diff_max_bt_min_qt_intra_slice_chroma); | |
| 1419 | |||
| 1420 | 277 | sh->max_tt_size[LUMA] = 1 << (min_qt_log2_size_y[LUMA] + ph->ph_log2_diff_max_tt_min_qt_intra_slice_luma); | |
| 1421 | 277 | sh->max_tt_size[CHROMA] = 1 << (min_qt_log2_size_y[CHROMA]+ ph->ph_log2_diff_max_tt_min_qt_intra_slice_chroma); | |
| 1422 | |||
| 1423 | 277 | sh->max_mtt_depth[LUMA] = ph->ph_max_mtt_hierarchy_depth_intra_slice_luma; | |
| 1424 | 277 | sh->max_mtt_depth[CHROMA] = ph->ph_max_mtt_hierarchy_depth_intra_slice_chroma; | |
| 1425 | |||
| 1426 | 277 | sh->cu_qp_delta_subdiv = ph->ph_cu_qp_delta_subdiv_intra_slice; | |
| 1427 | 277 | sh->cu_chroma_qp_offset_subdiv = ph->ph_cu_chroma_qp_offset_subdiv_intra_slice; | |
| 1428 | } else { | ||
| 1429 |
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4347 | for (int i = LUMA; i <= CHROMA; i++) { |
| 1430 | 2898 | min_qt_log2_size_y[i] = (min_cb_log2_size_y + ph->ph_log2_diff_min_qt_min_cb_inter_slice); | |
| 1431 | 2898 | sh->max_bt_size[i] = 1 << (min_qt_log2_size_y[i] + ph->ph_log2_diff_max_bt_min_qt_inter_slice); | |
| 1432 | 2898 | sh->max_tt_size[i] = 1 << (min_qt_log2_size_y[i] + ph->ph_log2_diff_max_tt_min_qt_inter_slice); | |
| 1433 | 2898 | sh->max_mtt_depth[i] = ph->ph_max_mtt_hierarchy_depth_inter_slice; | |
| 1434 | } | ||
| 1435 | |||
| 1436 | 1449 | sh->cu_qp_delta_subdiv = ph->ph_cu_qp_delta_subdiv_inter_slice; | |
| 1437 | 1449 | sh->cu_chroma_qp_offset_subdiv = ph->ph_cu_chroma_qp_offset_subdiv_inter_slice; | |
| 1438 | } | ||
| 1439 | |||
| 1440 | 1726 | sh->min_qt_size[LUMA] = 1 << min_qt_log2_size_y[LUMA]; | |
| 1441 | 1726 | sh->min_qt_size[CHROMA] = 1 << min_qt_log2_size_y[CHROMA]; | |
| 1442 | 1726 | } | |
| 1443 | |||
| 1444 | 1726 | static void sh_entry_points(VVCSH *sh, const H266RawSPS *sps, const VVCPPS *pps) | |
| 1445 | { | ||
| 1446 |
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1726 | if (sps->sps_entry_point_offsets_present_flag) { |
| 1447 |
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44564 | for (int i = 1, j = 0; i < sh->num_ctus_in_curr_slice; i++) { |
| 1448 | 42932 | const int pre_ctb_addr_x = sh->ctb_addr_in_curr_slice[i - 1] % pps->ctb_width; | |
| 1449 | 42932 | const int pre_ctb_addr_y = sh->ctb_addr_in_curr_slice[i - 1] / pps->ctb_width; | |
| 1450 | 42932 | const int ctb_addr_x = sh->ctb_addr_in_curr_slice[i] % pps->ctb_width; | |
| 1451 | 42932 | const int ctb_addr_y = sh->ctb_addr_in_curr_slice[i] / pps->ctb_width; | |
| 1452 |
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42932 | if (pps->ctb_to_row_bd[ctb_addr_y] != pps->ctb_to_row_bd[pre_ctb_addr_y] || |
| 1453 |
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42889 | pps->ctb_to_col_bd[ctb_addr_x] != pps->ctb_to_col_bd[pre_ctb_addr_x] || |
| 1454 |
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3268 | (ctb_addr_y != pre_ctb_addr_y && sps->sps_entropy_coding_sync_enabled_flag)) { |
| 1455 | 373 | sh->entry_point_start_ctu[j++] = i; | |
| 1456 | } | ||
| 1457 | } | ||
| 1458 | } | ||
| 1459 | 1726 | } | |
| 1460 | |||
| 1461 | 1726 | static int sh_derive(VVCSH *sh, const VVCFrameParamSets *fps) | |
| 1462 | { | ||
| 1463 | 1726 | const H266RawSPS *sps = fps->sps->r; | |
| 1464 | 1726 | const H266RawPPS *pps = fps->pps->r; | |
| 1465 | 1726 | const H266RawPictureHeader *ph = fps->ph.r; | |
| 1466 | int ret; | ||
| 1467 | |||
| 1468 | 1726 | ret = sh_slice_address(sh, sps, fps->pps); | |
| 1469 |
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1726 | if (ret < 0) |
| 1470 | ✗ | return ret; | |
| 1471 | 1726 | ret = sh_alf_aps(sh, fps); | |
| 1472 |
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1726 | if (ret < 0) |
| 1473 | ✗ | return ret; | |
| 1474 | 1726 | sh_inter(sh, sps, pps); | |
| 1475 | 1726 | sh_qp_y(sh, pps, ph); | |
| 1476 | 1726 | sh_deblock_offsets(sh); | |
| 1477 | 1726 | sh_partition_constraints(sh, sps, ph); | |
| 1478 | 1726 | sh_entry_points(sh, sps, fps->pps); | |
| 1479 | |||
| 1480 | 1726 | return 0; | |
| 1481 | } | ||
| 1482 | |||
| 1483 | 1726 | int ff_vvc_decode_sh(VVCSH *sh, const VVCFrameParamSets *fps, const CodedBitstreamUnit *unit) | |
| 1484 | { | ||
| 1485 | int ret; | ||
| 1486 | |||
| 1487 |
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1726 | if (!fps->sps || !fps->pps) |
| 1488 | ✗ | return AVERROR_INVALIDDATA; | |
| 1489 | |||
| 1490 | 1726 | av_refstruct_replace(&sh->r, unit->content_ref); | |
| 1491 | |||
| 1492 | 1726 | ret = sh_derive(sh, fps); | |
| 1493 |
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1726 | if (ret < 0) |
| 1494 | ✗ | return ret; | |
| 1495 | |||
| 1496 | 1726 | return 0; | |
| 1497 | } | ||
| 1498 |