2 * HEVC Parameter Set Decoding
4 * Copyright (C) 2012 - 2103 Guillaume Martres
5 * Copyright (C) 2012 - 2103 Mickael Raulet
6 * Copyright (C) 2012 - 2013 Gildas Cocherel
7 * Copyright (C) 2013 Vittorio Giovara
9 * This file is part of FFmpeg.
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.
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.
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
27 #include "libavutil/imgutils.h"
30 static const uint8_t default_scaling_list_intra[] = {
31 16, 16, 16, 16, 17, 18, 21, 24,
32 16, 16, 16, 16, 17, 19, 22, 25,
33 16, 16, 17, 18, 20, 22, 25, 29,
34 16, 16, 18, 21, 24, 27, 31, 36,
35 17, 17, 20, 24, 30, 35, 41, 47,
36 18, 19, 22, 27, 35, 44, 54, 65,
37 21, 22, 25, 31, 41, 54, 70, 88,
38 24, 25, 29,36, 47, 65, 88, 115
41 static const uint8_t default_scaling_list_inter[] = {
42 16, 16, 16, 16, 17, 18, 20, 24,
43 16, 16, 16, 17, 18, 20, 24, 25,
44 16, 16, 17, 18, 20, 24, 25, 28,
45 16, 17, 18, 20, 24, 25, 28, 33,
46 17, 18, 20, 24, 25, 28, 33, 41,
47 18, 20, 24, 25, 28, 33, 41, 54,
48 20, 24, 25, 28, 33, 41, 54, 71,
49 24, 25, 28, 33, 41, 54, 71, 91
52 static const AVRational vui_sar[] = {
72 int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
73 const HEVCSPS *sps, int is_slice_header)
75 HEVCLocalContext *lc = &s->HEVClc;
76 uint8_t rps_predict = 0;
83 GetBitContext *gb = &lc->gb;
85 if (rps != sps->st_rps && sps->nb_st_rps)
86 rps_predict = get_bits1(gb);
89 const ShortTermRPS *rps_ridx;
90 int delta_rps, abs_delta_rps;
91 uint8_t use_delta_flag = 0;
92 uint8_t delta_rps_sign;
94 if (is_slice_header) {
95 int delta_idx = get_ue_golomb(gb) + 1;
96 if (delta_idx > sps->nb_st_rps) {
97 av_log(s->avctx, AV_LOG_ERROR, "Invalid value of delta_idx "
98 "in slice header RPS: %d > %d.\n", delta_idx,
100 return AVERROR_INVALIDDATA;
102 rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx];
104 rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
106 delta_rps_sign = get_bits1(gb);
107 abs_delta_rps = get_ue_golomb(gb) + 1;
108 delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
109 for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
110 int used = rps->used[k] = get_bits1(gb);
113 use_delta_flag = get_bits1(gb);
115 if (used || use_delta_flag) {
116 if (i < rps_ridx->num_delta_pocs)
117 delta_poc = delta_rps + rps_ridx->delta_poc[i];
119 delta_poc = delta_rps;
120 rps->delta_poc[k] = delta_poc;
129 rps->num_delta_pocs = k;
130 rps->num_negative_pics = k0;
131 // sort in increasing order (smallest first)
132 if (rps->num_delta_pocs != 0) {
134 for (i = 1; i < rps->num_delta_pocs; i++) {
135 delta_poc = rps->delta_poc[i];
137 for (k = i-1 ; k >= 0; k--) {
138 tmp = rps->delta_poc[k];
139 if (delta_poc < tmp ) {
140 rps->delta_poc[k+1] = tmp;
141 rps->used[k+1] = rps->used[k];
142 rps->delta_poc[k] = delta_poc;
148 if ((rps->num_negative_pics >> 1) != 0) {
150 k = rps->num_negative_pics - 1;
151 // flip the negative values to largest first
152 for (i = 0; i < rps->num_negative_pics>>1; i++) {
153 delta_poc = rps->delta_poc[i];
155 rps->delta_poc[i] = rps->delta_poc[k];
156 rps->used[i] = rps->used[k];
157 rps->delta_poc[k] = delta_poc;
163 unsigned int prev, nb_positive_pics;
164 rps->num_negative_pics = get_ue_golomb(gb);
165 nb_positive_pics = get_ue_golomb(gb);
167 if (rps->num_negative_pics >= MAX_REFS ||
168 nb_positive_pics >= MAX_REFS) {
169 av_log(s->avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n");
170 return AVERROR_INVALIDDATA;
173 rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
174 if (rps->num_delta_pocs) {
176 for (i = 0; i < rps->num_negative_pics; i++) {
177 delta_poc = get_ue_golomb(gb) + 1;
179 rps->delta_poc[i] = prev;
180 rps->used[i] = get_bits1(gb);
183 for (i = 0; i < nb_positive_pics; i++) {
184 delta_poc = get_ue_golomb(gb) + 1;
186 rps->delta_poc[rps->num_negative_pics + i] = prev;
187 rps->used[rps->num_negative_pics + i] = get_bits1(gb);
194 static int decode_profile_tier_level(HEVCLocalContext *lc, PTL *ptl, int max_num_sub_layers)
197 GetBitContext *gb = &lc->gb;
199 ptl->general_profile_space = get_bits(gb, 2);
200 ptl->general_tier_flag = get_bits1(gb);
201 ptl->general_profile_idc = get_bits(gb, 5);
202 for (i = 0; i < 32; i++)
203 ptl->general_profile_compatibility_flag[i] = get_bits1(gb);
204 skip_bits1(gb);// general_progressive_source_flag
205 skip_bits1(gb);// general_interlaced_source_flag
206 skip_bits1(gb);// general_non_packed_constraint_flag
207 skip_bits1(gb);// general_frame_only_constraint_flag
208 if (get_bits(gb, 16) != 0) // XXX_reserved_zero_44bits[0..15]
210 if (get_bits(gb, 16) != 0) // XXX_reserved_zero_44bits[16..31]
212 if (get_bits(gb, 12) != 0) // XXX_reserved_zero_44bits[32..43]
215 ptl->general_level_idc = get_bits(gb, 8);
216 for (i = 0; i < max_num_sub_layers - 1; i++) {
217 ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
218 ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
220 if (max_num_sub_layers - 1 > 0)
221 for (i = max_num_sub_layers - 1; i < 8; i++)
222 skip_bits(gb, 2); // reserved_zero_2bits[i]
223 for (i = 0; i < max_num_sub_layers - 1; i++) {
224 if (ptl->sub_layer_profile_present_flag[i]) {
225 ptl->sub_layer_profile_space[i] = get_bits(gb, 2);
226 ptl->sub_layer_tier_flag[i] = get_bits(gb, 1);
227 ptl->sub_layer_profile_idc[i] = get_bits(gb, 5);
228 for (j = 0; j < 32; j++)
229 ptl->sub_layer_profile_compatibility_flags[i][j] = get_bits1(gb);
230 skip_bits1(gb);// sub_layer_progressive_source_flag
231 skip_bits1(gb);// sub_layer_interlaced_source_flag
232 skip_bits1(gb);// sub_layer_non_packed_constraint_flag
233 skip_bits1(gb);// sub_layer_frame_only_constraint_flag
235 if (get_bits(gb, 16) != 0) // sub_layer_reserved_zero_44bits[0..15]
237 if (get_bits(gb, 16) != 0) // sub_layer_reserved_zero_44bits[16..31]
239 if (get_bits(gb, 12) != 0) // sub_layer_reserved_zero_44bits[32..43]
242 if (ptl->sub_layer_level_present_flag[i])
243 ptl->sub_layer_level_idc[i] = get_bits(gb, 8);
248 static void decode_hrd(HEVCContext *s)
250 av_log(s->avctx, AV_LOG_ERROR, "HRD parsing not yet implemented\n");
253 int ff_hevc_decode_nal_vps(HEVCContext *s)
256 GetBitContext *gb = &s->HEVClc.gb;
260 av_log(s->avctx, AV_LOG_DEBUG, "Decoding VPS\n");
262 vps = av_mallocz(sizeof(*vps));
264 return AVERROR(ENOMEM);
266 vps_id = get_bits(gb, 4);
267 if (vps_id >= MAX_VPS_COUNT) {
268 av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_id);
272 if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
273 av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
277 vps->vps_max_layers = get_bits(gb, 6) + 1;
278 vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
279 vps->vps_temporal_id_nesting_flag = get_bits1(gb);
281 if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
282 av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
286 if (vps->vps_max_sub_layers > MAX_SUB_LAYERS) {
287 av_log(s->avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
288 vps->vps_max_sub_layers);
292 if (decode_profile_tier_level(&s->HEVClc, &vps->ptl, vps->vps_max_sub_layers) < 0) {
293 av_log(s->avctx, AV_LOG_ERROR, "Error decoding profile tier level.\n");
296 vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
298 i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
299 for (; i < vps->vps_max_sub_layers; i++) {
300 vps->vps_max_dec_pic_buffering[i] = get_ue_golomb(gb);
301 vps->vps_num_reorder_pics[i] = get_ue_golomb(gb);
302 vps->vps_max_latency_increase[i] = get_ue_golomb(gb);
304 if (vps->vps_max_dec_pic_buffering[i] >= MAX_DPB_SIZE) {
305 av_log(s->avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
306 vps->vps_max_dec_pic_buffering[i] - 1);
309 if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i]) {
310 av_log(s->avctx, AV_LOG_ERROR, "vps_max_num_reorder_pics out of range: %d\n",
311 vps->vps_num_reorder_pics[i]);
316 vps->vps_max_layer_id = get_bits(gb, 6);
317 vps->vps_num_layer_sets = get_ue_golomb(gb) + 1;
318 for (i = 1; i < vps->vps_num_layer_sets; i++)
319 for (j = 0; j <= vps->vps_max_layer_id; j++)
320 skip_bits(gb, 1); // layer_id_included_flag[i][j]
322 vps->vps_timing_info_present_flag = get_bits1(gb);
323 if (vps->vps_timing_info_present_flag) {
324 vps->vps_num_units_in_tick = get_bits_long(gb, 32);
325 vps->vps_time_scale = get_bits_long(gb, 32);
326 vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
327 if (vps->vps_poc_proportional_to_timing_flag)
328 vps->vps_num_ticks_poc_diff_one = get_ue_golomb(gb) + 1;
329 vps->vps_num_hrd_parameters = get_ue_golomb(gb);
330 if (vps->vps_num_hrd_parameters != 0) {
331 avpriv_report_missing_feature(s->avctx, "support for vps_num_hrd_parameters != 0");
333 return AVERROR_PATCHWELCOME;
336 get_bits1(gb); /* vps_extension_flag */
338 av_free(s->vps_list[vps_id]);
339 s->vps_list[vps_id] = vps;
344 return AVERROR_INVALIDDATA;
347 static void decode_vui(HEVCContext *s, HEVCSPS *sps)
349 VUI *vui = &sps->vui;
350 GetBitContext *gb = &s->HEVClc.gb;
353 av_log(s->avctx, AV_LOG_DEBUG, "Decoding VUI\n");
355 sar_present = get_bits1(gb);
357 uint8_t sar_idx = get_bits(gb, 8);
358 if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
359 vui->sar = vui_sar[sar_idx];
360 else if (sar_idx == 255) {
361 vui->sar.num = get_bits(gb, 16);
362 vui->sar.den = get_bits(gb, 16);
364 av_log(s->avctx, AV_LOG_WARNING, "Unknown SAR index: %u.\n",
368 vui->overscan_info_present_flag = get_bits1(gb);
369 if (vui->overscan_info_present_flag)
370 vui->overscan_appropriate_flag = get_bits1(gb);
372 vui->video_signal_type_present_flag = get_bits1(gb);
373 if (vui->video_signal_type_present_flag) {
374 vui->video_format = get_bits(gb, 3);
375 vui->video_full_range_flag = get_bits1(gb);
376 vui->colour_description_present_flag = get_bits1(gb);
377 if (vui->colour_description_present_flag) {
378 vui->colour_primaries = get_bits(gb, 8);
379 vui->transfer_characteristic = get_bits(gb, 8);
380 vui->matrix_coeffs = get_bits(gb, 8);
384 vui->chroma_loc_info_present_flag = get_bits1(gb);
385 if (vui->chroma_loc_info_present_flag) {
386 vui->chroma_sample_loc_type_top_field = get_ue_golomb(gb);
387 vui->chroma_sample_loc_type_bottom_field = get_ue_golomb(gb);
390 vui->neutra_chroma_indication_flag = get_bits1(gb);
391 vui->field_seq_flag = get_bits1(gb);
392 vui->frame_field_info_present_flag = get_bits1(gb);
394 vui->default_display_window_flag = get_bits1(gb);
395 if (vui->default_display_window_flag) {
396 //TODO: * 2 is only valid for 420
397 vui->def_disp_win.left_offset = get_ue_golomb(gb) * 2;
398 vui->def_disp_win.right_offset = get_ue_golomb(gb) * 2;
399 vui->def_disp_win.top_offset = get_ue_golomb(gb) * 2;
400 vui->def_disp_win.bottom_offset = get_ue_golomb(gb) * 2;
402 if (s->strict_def_disp_win &&
403 s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
404 av_log(s->avctx, AV_LOG_DEBUG,
405 "discarding vui default display window, "
406 "original values are l:%u r:%u t:%u b:%u\n",
407 vui->def_disp_win.left_offset,
408 vui->def_disp_win.right_offset,
409 vui->def_disp_win.top_offset,
410 vui->def_disp_win.bottom_offset);
412 vui->def_disp_win.left_offset =
413 vui->def_disp_win.right_offset =
414 vui->def_disp_win.top_offset =
415 vui->def_disp_win.bottom_offset = 0;
419 vui->vui_timing_info_present_flag = get_bits1(gb);
420 if (vui->vui_timing_info_present_flag) {
421 vui->vui_num_units_in_tick = get_bits(gb, 32);
422 vui->vui_time_scale = get_bits(gb, 32);
423 vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
424 if (vui->vui_poc_proportional_to_timing_flag)
425 vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb(gb);
426 vui->vui_hrd_parameters_present_flag = get_bits1(gb);
427 if (vui->vui_hrd_parameters_present_flag)
431 vui->bitstream_restriction_flag = get_bits1(gb);
432 if (vui->bitstream_restriction_flag) {
433 vui->tiles_fixed_structure_flag = get_bits1(gb);
434 vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
435 vui->restricted_ref_pic_lists_flag = get_bits1(gb);
436 vui->min_spatial_segmentation_idc = get_ue_golomb(gb);
437 vui->max_bytes_per_pic_denom = get_ue_golomb(gb);
438 vui->max_bits_per_min_cu_denom = get_ue_golomb(gb);
439 vui->log2_max_mv_length_horizontal = get_ue_golomb(gb);
440 vui->log2_max_mv_length_vertical = get_ue_golomb(gb);
444 static void set_default_scaling_list_data(ScalingList *sl)
448 for (matrixId = 0; matrixId < 6; matrixId++) {
450 memset(sl->sl[0][matrixId], 16, 16);
451 sl->sl_dc[0][matrixId] = 16; // default for 16x16
452 sl->sl_dc[1][matrixId] = 16; // default for 32x32
454 memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
455 memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
456 memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
457 memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
458 memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
459 memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
460 memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
461 memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
462 memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
463 memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
464 memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
465 memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
466 memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
467 memcpy(sl->sl[3][1], default_scaling_list_inter, 64);
470 static int scaling_list_data(HEVCContext *s, ScalingList *sl)
472 GetBitContext *gb = &s->HEVClc.gb;
473 uint8_t scaling_list_pred_mode_flag[4][6];
474 int32_t scaling_list_dc_coef[2][6];
476 int size_id, matrix_id, i, pos, delta;
477 for (size_id = 0; size_id < 4; size_id++)
478 for (matrix_id = 0; matrix_id < ((size_id == 3) ? 2 : 6); matrix_id++) {
479 scaling_list_pred_mode_flag[size_id][matrix_id] = get_bits1(gb);
480 if (!scaling_list_pred_mode_flag[size_id][matrix_id]) {
481 delta = get_ue_golomb(gb);
482 // Only need to handle non-zero delta. Zero means default, which should already be in the arrays.
484 // Copy from previous array.
485 if (matrix_id - delta < 0) {
486 av_log(s->avctx, AV_LOG_ERROR,
487 "Invalid delta in scaling list data: %d.\n", delta);
488 return AVERROR_INVALIDDATA;
491 memcpy(sl->sl[size_id][matrix_id],
492 sl->sl[size_id][matrix_id - delta],
493 size_id > 0 ? 64 : 16);
495 sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
500 int32_t scaling_list_delta_coef;
503 coef_num = FFMIN(64, (1 << (4 + (size_id << 1))));
505 scaling_list_dc_coef[size_id - 2][matrix_id] = get_se_golomb(gb) + 8;
506 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
507 sl->sl_dc[size_id - 2][matrix_id] = next_coef;
509 for (i = 0; i < coef_num; i++) {
511 pos = 4 * ff_hevc_diag_scan4x4_y[i] + ff_hevc_diag_scan4x4_x[i];
513 pos = 8 * ff_hevc_diag_scan8x8_y[i] + ff_hevc_diag_scan8x8_x[i];
515 scaling_list_delta_coef = get_se_golomb(gb);
516 next_coef = (next_coef + scaling_list_delta_coef + 256 ) % 256;
517 sl->sl[size_id][matrix_id][pos] = next_coef;
525 int ff_hevc_decode_nal_sps(HEVCContext *s)
527 const AVPixFmtDescriptor *desc;
528 GetBitContext *gb = &s->HEVClc.gb;
531 int log2_diff_max_min_transform_block_size;
532 int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
536 AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
539 return AVERROR(ENOMEM);
540 sps = (HEVCSPS*)sps_buf->data;
542 av_log(s->avctx, AV_LOG_DEBUG, "Decoding SPS\n");
546 sps->vps_id = get_bits(gb, 4);
547 if (sps->vps_id >= MAX_VPS_COUNT) {
548 av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", sps->vps_id);
549 ret = AVERROR_INVALIDDATA;
553 sps->max_sub_layers = get_bits(gb, 3) + 1;
554 if (sps->max_sub_layers > MAX_SUB_LAYERS) {
555 av_log(s->avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
556 sps->max_sub_layers);
557 ret = AVERROR_INVALIDDATA;
561 skip_bits1(gb); // temporal_id_nesting_flag
562 if (decode_profile_tier_level(&s->HEVClc, &sps->ptl, sps->max_sub_layers) < 0) {
563 av_log(s->avctx, AV_LOG_ERROR, "error decoding profile tier level\n");
564 ret = AVERROR_INVALIDDATA;
567 sps_id = get_ue_golomb(gb);
568 if (sps_id >= MAX_SPS_COUNT) {
569 av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", sps_id);
570 ret = AVERROR_INVALIDDATA;
574 sps->chroma_format_idc = get_ue_golomb(gb);
575 if (sps->chroma_format_idc != 1) {
576 avpriv_report_missing_feature(s->avctx, "chroma_format_idc != 1\n");
577 ret = AVERROR_INVALIDDATA;
581 if (sps->chroma_format_idc == 3)
582 sps->separate_colour_plane_flag = get_bits1(gb);
584 sps->width = get_ue_golomb(gb);
585 sps->height = get_ue_golomb(gb);
586 if ((ret = av_image_check_size(sps->width,
587 sps->height, 0, s->avctx)) < 0)
590 if (get_bits1(gb)) { // pic_conformance_flag
591 //TODO: * 2 is only valid for 420
592 sps->pic_conf_win.left_offset = get_ue_golomb(gb) * 2;
593 sps->pic_conf_win.right_offset = get_ue_golomb(gb) * 2;
594 sps->pic_conf_win.top_offset = get_ue_golomb(gb) * 2;
595 sps->pic_conf_win.bottom_offset = get_ue_golomb(gb) * 2;
597 if (s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
598 av_log(s->avctx, AV_LOG_DEBUG,
599 "discarding sps conformance window, "
600 "original values are l:%u r:%u t:%u b:%u\n",
601 sps->pic_conf_win.left_offset,
602 sps->pic_conf_win.right_offset,
603 sps->pic_conf_win.top_offset,
604 sps->pic_conf_win.bottom_offset);
606 sps->pic_conf_win.left_offset =
607 sps->pic_conf_win.right_offset =
608 sps->pic_conf_win.top_offset =
609 sps->pic_conf_win.bottom_offset = 0;
611 sps->output_window = sps->pic_conf_win;
614 sps->bit_depth = get_ue_golomb(gb) + 8;
615 bit_depth_chroma = get_ue_golomb(gb) + 8;
616 if (bit_depth_chroma != sps->bit_depth) {
617 av_log(s->avctx, AV_LOG_ERROR,
618 "Luma bit depth (%d) is different from chroma bit depth (%d), this is unsupported.\n",
619 sps->bit_depth, bit_depth_chroma);
620 ret = AVERROR_INVALIDDATA;
624 if (sps->chroma_format_idc == 1) {
625 switch (sps->bit_depth) {
626 case 8: sps->pix_fmt = AV_PIX_FMT_YUV420P; break;
627 case 9: sps->pix_fmt = AV_PIX_FMT_YUV420P9; break;
628 case 10: sps->pix_fmt = AV_PIX_FMT_YUV420P10; break;
630 av_log(s->avctx, AV_LOG_ERROR, "Unsupported bit depth: %d\n",
632 ret = AVERROR_PATCHWELCOME;
636 av_log(s->avctx, AV_LOG_ERROR, "non-4:2:0 support is currently unspecified.\n");
637 return AVERROR_PATCHWELCOME;
640 desc = av_pix_fmt_desc_get(sps->pix_fmt);
642 ret = AVERROR(EINVAL);
646 sps->hshift[0] = sps->vshift[0] = 0;
647 sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
648 sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
650 sps->pixel_shift = sps->bit_depth > 8;
652 sps->log2_max_poc_lsb = get_ue_golomb(gb) + 4;
653 if (sps->log2_max_poc_lsb > 16) {
654 av_log(s->avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
655 sps->log2_max_poc_lsb - 4);
656 ret = AVERROR_INVALIDDATA;
660 sublayer_ordering_info = get_bits1(gb);
661 start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
662 for (i = start; i < sps->max_sub_layers; i++) {
663 sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb(gb);
664 sps->temporal_layer[i].num_reorder_pics = get_ue_golomb(gb);
665 sps->temporal_layer[i].max_latency_increase = get_ue_golomb(gb);
666 if (sps->temporal_layer[i].max_dec_pic_buffering >= MAX_DPB_SIZE) {
667 av_log(s->avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
668 sps->temporal_layer[i].max_dec_pic_buffering - 1);
669 ret = AVERROR_INVALIDDATA;
672 if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering) {
673 av_log(s->avctx, AV_LOG_ERROR, "sps_max_num_reorder_pics out of range: %d\n",
674 sps->temporal_layer[i].num_reorder_pics);
675 ret = AVERROR_INVALIDDATA;
680 if (!sublayer_ordering_info) {
681 for (i = 0; i < start; i++){
682 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
683 sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
684 sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
688 sps->log2_min_coding_block_size = get_ue_golomb(gb) + 3;
689 sps->log2_diff_max_min_coding_block_size = get_ue_golomb(gb);
690 sps->log2_min_transform_block_size = get_ue_golomb(gb) + 2;
691 log2_diff_max_min_transform_block_size = get_ue_golomb(gb);
692 sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size + sps->log2_min_transform_block_size;
694 if (sps->log2_min_transform_block_size >= sps->log2_min_coding_block_size) {
695 av_log(s->avctx, AV_LOG_ERROR, "Invalid value for log2_min_transform_block_size");
696 ret = AVERROR_INVALIDDATA;
699 sps->max_transform_hierarchy_depth_inter = get_ue_golomb(gb);
700 sps->max_transform_hierarchy_depth_intra = get_ue_golomb(gb);
702 sps->scaling_list_enable_flag = get_bits1(gb);
703 if (sps->scaling_list_enable_flag) {
704 set_default_scaling_list_data(&sps->scaling_list);
707 ret = scaling_list_data(s, &sps->scaling_list);
713 sps->amp_enabled_flag = get_bits1(gb);
714 sps->sao_enabled = get_bits1(gb);
716 sps->pcm_enabled_flag = get_bits1(gb);
717 if (sps->pcm_enabled_flag) {
718 int pcm_bit_depth_chroma;
719 sps->pcm.bit_depth = get_bits(gb, 4) + 1;
720 pcm_bit_depth_chroma = get_bits(gb, 4) + 1;
721 if (pcm_bit_depth_chroma != sps->pcm.bit_depth) {
722 av_log(s->avctx, AV_LOG_ERROR,
723 "PCM Luma bit depth (%d) is different from PCM chroma"\
724 "bit depth (%d), this is unsupported.\n",
725 sps->pcm.bit_depth, pcm_bit_depth_chroma);
726 ret = AVERROR_INVALIDDATA;
730 sps->pcm.log2_min_pcm_cb_size = get_ue_golomb(gb) + 3;
731 sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
733 if (sps->pcm.bit_depth > sps->bit_depth) {
734 av_log(s->avctx, AV_LOG_ERROR,
735 "PCM bit depth (%d) is greater than normal bit depth (%d)\n",
736 sps->pcm.bit_depth, sps->bit_depth);
737 ret = AVERROR_INVALIDDATA;
741 sps->pcm.loop_filter_disable_flag = get_bits1(gb);
744 sps->nb_st_rps = get_ue_golomb(gb);
745 if (sps->nb_st_rps > MAX_SHORT_TERM_RPS_COUNT) {
746 av_log(s->avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
748 ret = AVERROR_INVALIDDATA;
751 for (i = 0; i < sps->nb_st_rps; i++) {
752 if ((ret = ff_hevc_decode_short_term_rps(s, &sps->st_rps[i],
757 sps->long_term_ref_pics_present_flag = get_bits1(gb);
758 if (sps->long_term_ref_pics_present_flag) {
759 sps->num_long_term_ref_pics_sps = get_ue_golomb(gb);
760 for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
761 sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
762 sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb);
766 sps->sps_temporal_mvp_enabled_flag = get_bits1(gb);
767 sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
768 vui_present = get_bits1(gb);
771 skip_bits1(gb); // sps_extension_flag
773 if (s->strict_def_disp_win) {
774 sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
775 sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
776 sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
777 sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
779 if (sps->output_window.left_offset & (0x1F >> (sps->pixel_shift)) &&
780 !(s->avctx->flags & CODEC_FLAG_UNALIGNED)) {
781 sps->output_window.left_offset &= ~(0x1F >> (sps->pixel_shift));
782 av_log(s->avctx, AV_LOG_WARNING, "Reducing left output window to %d "
783 "chroma samples to preserve alignment.\n",
784 sps->output_window.left_offset);
786 sps->output_width = sps->width -
787 (sps->output_window.left_offset + sps->output_window.right_offset);
788 sps->output_height = sps->height -
789 (sps->output_window.top_offset + sps->output_window.bottom_offset);
790 if (sps->output_width <= 0 || sps->output_height <= 0) {
791 av_log(s->avctx, AV_LOG_WARNING, "Invalid visible frame dimensions: %dx%d.\n",
792 sps->output_width, sps->output_height);
793 if (s->avctx->err_recognition & AV_EF_EXPLODE) {
794 ret = AVERROR_INVALIDDATA;
797 av_log(s->avctx, AV_LOG_WARNING, "Displaying the whole video surface.\n");
798 sps->pic_conf_win.left_offset =
799 sps->pic_conf_win.right_offset =
800 sps->pic_conf_win.top_offset =
801 sps->pic_conf_win.bottom_offset = 0;
802 sps->output_width = sps->width;
803 sps->output_height = sps->height;
806 // Inferred parameters
807 sps->log2_ctb_size = sps->log2_min_coding_block_size
808 + sps->log2_diff_max_min_coding_block_size;
810 sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
811 sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
812 sps->ctb_size = sps->ctb_width * sps->ctb_height;
814 sps->min_cb_width = sps->width >> sps->log2_min_coding_block_size;
815 sps->min_cb_height = sps->height >> sps->log2_min_coding_block_size;
816 sps->min_tb_width = sps->width >> sps->log2_min_transform_block_size;
817 sps->min_tb_height = sps->height >> sps->log2_min_transform_block_size;
818 sps->log2_min_pu_size = sps->log2_min_coding_block_size - 1;
820 sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
822 if (sps->width & ((1 << sps->log2_min_coding_block_size) - 1) ||
823 sps->height & ((1 << sps->log2_min_coding_block_size) - 1)) {
824 av_log(s->avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
828 if (sps->log2_ctb_size > MAX_LOG2_CTB_SIZE) {
829 av_log(s->avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
832 if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_transform_block_size) {
833 av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
834 sps->max_transform_hierarchy_depth_inter);
837 if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_transform_block_size) {
838 av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
839 sps->max_transform_hierarchy_depth_intra);
842 if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
843 av_log(s->avctx, AV_LOG_ERROR, "max transform block size out of range: %d\n",
844 sps->log2_max_trafo_size);
848 /* if an SPS with this id but different dimensions already exists, remove
849 * all PPSes that depend on it */
850 #define DIFF(x) (sps->x != ((HEVCSPS*)s->sps_list[sps_id]->data)->x)
851 if (s->sps_list[sps_id] &&
852 (DIFF(width) || DIFF(height) || DIFF(chroma_format_idc) ||
853 DIFF(bit_depth) || DIFF(ctb_width) || DIFF(ctb_height))) {
854 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) {
855 if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == sps_id)
856 av_buffer_unref(&s->pps_list[i]);
861 av_buffer_unref(&s->sps_list[sps_id]);
862 s->sps_list[sps_id] = sps_buf;
864 if (s->avctx->debug & FF_DEBUG_BITSTREAM) {
865 av_log(s->avctx, AV_LOG_DEBUG, "Parsed SPS: id %d; coded wxh: %dx%d; "
866 "cropped wxh: %dx%d; pix_fmt: %s.\n",
867 sps_id, sps->width, sps->height,
868 sps->output_width, sps->output_height,
869 av_get_pix_fmt_name(sps->pix_fmt));
875 av_buffer_unref(&sps_buf);
879 static void hevc_pps_free(void *opaque, uint8_t *data)
881 HEVCPPS *pps = (HEVCPPS*)data;
883 av_freep(&pps->column_width);
884 av_freep(&pps->row_height);
885 av_freep(&pps->col_bd);
886 av_freep(&pps->row_bd);
887 av_freep(&pps->col_idxX);
888 av_freep(&pps->ctb_addr_rs_to_ts);
889 av_freep(&pps->ctb_addr_ts_to_rs);
890 av_freep(&pps->tile_pos_rs);
891 av_freep(&pps->tile_id);
892 av_freep(&pps->min_cb_addr_zs);
893 av_freep(&pps->min_tb_addr_zs);
898 int ff_hevc_decode_nal_pps(HEVCContext *s)
900 GetBitContext *gb = &s->HEVClc.gb;
902 int pic_area_in_ctbs, pic_area_in_min_cbs, pic_area_in_min_tbs;
903 int log2_diff_ctb_min_tb_size;
904 int i, j, x, y, ctb_addr_rs, tile_id;
908 AVBufferRef *pps_buf;
909 HEVCPPS *pps = av_mallocz(sizeof(*pps));
912 return AVERROR(ENOMEM);
914 pps_buf = av_buffer_create((uint8_t*)pps, sizeof(*pps), hevc_pps_free, NULL, 0);
917 return AVERROR(ENOMEM);
920 av_log(s->avctx, AV_LOG_DEBUG, "Decoding PPS\n");
923 pps->loop_filter_across_tiles_enabled_flag = 1;
924 pps->num_tile_columns = 1;
925 pps->num_tile_rows = 1;
926 pps->uniform_spacing_flag = 1;
927 pps->pps_disable_deblocking_filter_flag = 0;
928 pps->beta_offset = 0;
932 pps_id = get_ue_golomb(gb);
933 if (pps_id >= MAX_PPS_COUNT) {
934 av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
935 ret = AVERROR_INVALIDDATA;
938 pps->sps_id = get_ue_golomb(gb);
939 if (pps->sps_id >= MAX_SPS_COUNT) {
940 av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
941 ret = AVERROR_INVALIDDATA;
944 if (!s->sps_list[pps->sps_id]) {
945 av_log(s->avctx, AV_LOG_ERROR, "SPS does not exist \n");
946 ret = AVERROR_INVALIDDATA;
949 sps = (HEVCSPS*)s->sps_list[pps->sps_id]->data;
951 pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
952 pps->output_flag_present_flag = get_bits1(gb);
953 pps->num_extra_slice_header_bits = get_bits(gb, 3);
955 pps->sign_data_hiding_flag = get_bits1(gb);
957 pps->cabac_init_present_flag = get_bits1(gb);
959 pps->num_ref_idx_l0_default_active = get_ue_golomb(gb) + 1;
960 pps->num_ref_idx_l1_default_active = get_ue_golomb(gb) + 1;
962 pps->pic_init_qp_minus26 = get_se_golomb(gb);
964 pps->constrained_intra_pred_flag = get_bits1(gb);
965 pps->transform_skip_enabled_flag = get_bits1(gb);
967 pps->cu_qp_delta_enabled_flag = get_bits1(gb);
968 pps->diff_cu_qp_delta_depth = 0;
969 if (pps->cu_qp_delta_enabled_flag)
970 pps->diff_cu_qp_delta_depth = get_ue_golomb(gb);
972 pps->cb_qp_offset = get_se_golomb(gb);
973 if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
974 av_log(s->avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
976 ret = AVERROR_INVALIDDATA;
979 pps->cr_qp_offset = get_se_golomb(gb);
980 if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
981 av_log(s->avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
983 ret = AVERROR_INVALIDDATA;
986 pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
988 pps->weighted_pred_flag = get_bits1(gb);
989 pps->weighted_bipred_flag = get_bits1(gb);
991 pps->transquant_bypass_enable_flag = get_bits1(gb);
992 pps->tiles_enabled_flag = get_bits1(gb);
993 pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
995 if (pps->tiles_enabled_flag) {
996 pps->num_tile_columns = get_ue_golomb(gb) + 1;
997 pps->num_tile_rows = get_ue_golomb(gb) + 1;
998 if (pps->num_tile_columns == 0 ||
999 pps->num_tile_columns >= sps->width) {
1000 av_log(s->avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
1001 pps->num_tile_columns - 1);
1002 ret = AVERROR_INVALIDDATA;
1005 if (pps->num_tile_rows == 0 ||
1006 pps->num_tile_rows >= sps->height) {
1007 av_log(s->avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
1008 pps->num_tile_rows - 1);
1009 ret = AVERROR_INVALIDDATA;
1013 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1014 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1015 if (!pps->column_width || !pps->row_height) {
1016 ret = AVERROR(ENOMEM);
1020 pps->uniform_spacing_flag = get_bits1(gb);
1021 if (!pps->uniform_spacing_flag) {
1023 for (i = 0; i < pps->num_tile_columns - 1; i++) {
1024 pps->column_width[i] = get_ue_golomb(gb) + 1;
1025 sum += pps->column_width[i];
1027 if (sum >= sps->ctb_width) {
1028 av_log(s->avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
1029 ret = AVERROR_INVALIDDATA;
1032 pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
1035 for (i = 0; i < pps->num_tile_rows - 1; i++) {
1036 pps->row_height[i] = get_ue_golomb(gb) + 1;
1037 sum += pps->row_height[i];
1039 if (sum >= sps->ctb_height) {
1040 av_log(s->avctx, AV_LOG_ERROR, "Invalid tile heights.\n");
1041 ret = AVERROR_INVALIDDATA;
1044 pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
1046 pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb);
1049 pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb);
1051 pps->deblocking_filter_control_present_flag = get_bits1(gb);
1052 if (pps->deblocking_filter_control_present_flag) {
1053 pps->deblocking_filter_override_enabled_flag = get_bits1(gb);
1054 pps->pps_disable_deblocking_filter_flag = get_bits1(gb);
1055 if (!pps->pps_disable_deblocking_filter_flag) {
1056 pps->beta_offset = get_se_golomb(gb) * 2;
1057 pps->tc_offset = get_se_golomb(gb) * 2;
1058 if (pps->beta_offset/2 < -6 || pps->beta_offset/2 > 6) {
1059 av_log(s->avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n",
1060 pps->beta_offset/2);
1061 ret = AVERROR_INVALIDDATA;
1064 if (pps->tc_offset/2 < -6 || pps->tc_offset/2 > 6) {
1065 av_log(s->avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n",
1067 ret = AVERROR_INVALIDDATA;
1073 pps->pps_scaling_list_data_present_flag = get_bits1(gb);
1074 if (pps->pps_scaling_list_data_present_flag) {
1075 set_default_scaling_list_data(&pps->scaling_list);
1076 ret = scaling_list_data(s, &pps->scaling_list);
1080 pps->lists_modification_present_flag = get_bits1(gb);
1081 pps->log2_parallel_merge_level = get_ue_golomb(gb) + 2;
1082 if (pps->log2_parallel_merge_level > sps->log2_ctb_size) {
1083 av_log(s->avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n",
1084 pps->log2_parallel_merge_level - 2);
1085 ret = AVERROR_INVALIDDATA;
1089 pps->slice_header_extension_present_flag = get_bits1(gb);
1090 pps->pps_extension_flag = get_bits1(gb);
1092 // Inferred parameters
1093 pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
1094 pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
1095 pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
1096 if (!pps->col_bd || !pps->row_bd || !pps->col_idxX) {
1097 ret = AVERROR(ENOMEM);
1101 if (pps->uniform_spacing_flag) {
1102 if (!pps->column_width) {
1103 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
1104 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
1106 if (!pps->column_width || !pps->row_height) {
1107 ret = AVERROR(ENOMEM);
1111 for (i = 0; i < pps->num_tile_columns; i++) {
1112 pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
1113 (i * sps->ctb_width) / pps->num_tile_columns;
1116 for (i = 0; i < pps->num_tile_rows; i++) {
1117 pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
1118 (i * sps->ctb_height) / pps->num_tile_rows;
1123 for (i = 0; i < pps->num_tile_columns; i++)
1124 pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
1127 for (i = 0; i < pps->num_tile_rows; i++)
1128 pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
1130 for (i = 0, j = 0; i < sps->ctb_width; i++) {
1131 if (i > pps->col_bd[j])
1133 pps->col_idxX[i] = j;
1139 pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
1140 pic_area_in_min_cbs = sps->min_cb_width * sps->min_cb_height;
1141 pic_area_in_min_tbs = sps->min_tb_width * sps->min_tb_height;
1143 pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
1144 pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
1145 pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
1146 pps->min_cb_addr_zs = av_malloc_array(pic_area_in_min_cbs, sizeof(*pps->min_cb_addr_zs));
1147 pps->min_tb_addr_zs = av_malloc_array(pic_area_in_min_tbs, sizeof(*pps->min_tb_addr_zs));
1148 if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
1149 !pps->tile_id || !pps->min_cb_addr_zs || !pps->min_tb_addr_zs) {
1150 ret = AVERROR(ENOMEM);
1154 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
1155 int tb_x = ctb_addr_rs % sps->ctb_width;
1156 int tb_y = ctb_addr_rs / sps->ctb_width;
1161 for (i = 0; i < pps->num_tile_columns; i++) {
1162 if (tb_x < pps->col_bd[i + 1]) {
1168 for (i = 0; i < pps->num_tile_rows; i++) {
1169 if (tb_y < pps->row_bd[i + 1]) {
1175 for (i = 0; i < tile_x; i++ )
1176 val += pps->row_height[tile_y] * pps->column_width[i];
1177 for (i = 0; i < tile_y; i++ )
1178 val += sps->ctb_width * pps->row_height[i];
1180 val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
1181 tb_x - pps->col_bd[tile_x];
1183 pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
1184 pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
1187 for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
1188 for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
1189 for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
1190 for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
1191 pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
1193 pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
1194 if (!pps->tile_pos_rs) {
1195 ret = AVERROR(ENOMEM);
1199 for (j = 0; j < pps->num_tile_rows; j++)
1200 for (i = 0; i < pps->num_tile_columns; i++)
1201 pps->tile_pos_rs[j * pps->num_tile_columns + i] = pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
1203 for (y = 0; y < sps->min_cb_height; y++) {
1204 for (x = 0; x < sps->min_cb_width; x++) {
1205 int tb_x = x >> sps->log2_diff_max_min_coding_block_size;
1206 int tb_y = y >> sps->log2_diff_max_min_coding_block_size;
1207 int ctb_addr_rs = sps->ctb_width * tb_y + tb_x;
1208 int val = pps->ctb_addr_rs_to_ts[ctb_addr_rs] <<
1209 (sps->log2_diff_max_min_coding_block_size * 2);
1210 for (i = 0; i < sps->log2_diff_max_min_coding_block_size; i++) {
1212 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1214 pps->min_cb_addr_zs[y * sps->min_cb_width + x] = val;
1218 log2_diff_ctb_min_tb_size = sps->log2_ctb_size - sps->log2_min_transform_block_size;
1219 for (y = 0; y < sps->min_tb_height; y++) {
1220 for (x = 0; x < sps->min_tb_width; x++) {
1221 int tb_x = x >> log2_diff_ctb_min_tb_size;
1222 int tb_y = y >> log2_diff_ctb_min_tb_size;
1223 int ctb_addr_rs = sps->ctb_width * tb_y + tb_x;
1224 int val = pps->ctb_addr_rs_to_ts[ctb_addr_rs] <<
1225 (log2_diff_ctb_min_tb_size * 2);
1226 for (i = 0; i < log2_diff_ctb_min_tb_size; i++) {
1228 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
1230 pps->min_tb_addr_zs[y * sps->min_tb_width + x] = val;
1234 av_buffer_unref(&s->pps_list[pps_id]);
1235 s->pps_list[pps_id] = pps_buf;
1240 av_buffer_unref(&pps_buf);