4 * Copyright (C) 2012 - 2013 Guillaume Martres
5 * Copyright (C) 2012 - 2013 Mickael Raulet
6 * Copyright (C) 2012 - 2013 Gildas Cocherel
7 * Copyright (C) 2012 - 2013 Wassim Hamidouche
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
26 #include "libavutil/atomic.h"
27 #include "libavutil/attributes.h"
28 #include "libavutil/common.h"
29 #include "libavutil/internal.h"
30 #include "libavutil/md5.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/pixdesc.h"
33 #include "libavutil/stereo3d.h"
35 #include "bytestream.h"
36 #include "cabac_functions.h"
41 const uint8_t ff_hevc_qpel_extra_before[4] = { 0, 3, 3, 2 };
42 const uint8_t ff_hevc_qpel_extra_after[4] = { 0, 3, 4, 4 };
43 const uint8_t ff_hevc_qpel_extra[4] = { 0, 6, 7, 6 };
46 * NOTE: Each function hls_foo correspond to the function foo in the
47 * specification (HLS stands for High Level Syntax).
54 /* free everything allocated by pic_arrays_init() */
55 static void pic_arrays_free(HEVCContext *s)
58 av_freep(&s->deblock);
59 av_freep(&s->split_cu_flag);
61 av_freep(&s->skip_flag);
62 av_freep(&s->tab_ct_depth);
64 av_freep(&s->tab_ipm);
65 av_freep(&s->cbf_luma);
68 av_freep(&s->qp_y_tab);
69 av_freep(&s->tab_slice_address);
70 av_freep(&s->filter_slice_edges);
72 av_freep(&s->horizontal_bs);
73 av_freep(&s->vertical_bs);
75 av_freep(&s->sh.entry_point_offset);
76 av_freep(&s->sh.size);
77 av_freep(&s->sh.offset);
79 av_buffer_pool_uninit(&s->tab_mvf_pool);
80 av_buffer_pool_uninit(&s->rpl_tab_pool);
83 /* allocate arrays that depend on frame dimensions */
84 static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps)
86 int log2_min_cb_size = sps->log2_min_cb_size;
87 int width = sps->width;
88 int height = sps->height;
89 int pic_size = width * height;
90 int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) *
91 ((height >> log2_min_cb_size) + 1);
92 int ctb_count = sps->ctb_width * sps->ctb_height;
93 int min_pu_size = sps->min_pu_width * sps->min_pu_height;
95 s->bs_width = width >> 3;
96 s->bs_height = height >> 3;
98 s->sao = av_mallocz_array(ctb_count, sizeof(*s->sao));
99 s->deblock = av_mallocz_array(ctb_count, sizeof(*s->deblock));
100 s->split_cu_flag = av_malloc(pic_size);
101 if (!s->sao || !s->deblock || !s->split_cu_flag)
104 s->skip_flag = av_malloc(pic_size_in_ctb);
105 s->tab_ct_depth = av_malloc(sps->min_cb_height * sps->min_cb_width);
106 if (!s->skip_flag || !s->tab_ct_depth)
109 s->cbf_luma = av_malloc(sps->min_tb_width * sps->min_tb_height);
110 s->tab_ipm = av_mallocz(min_pu_size);
111 s->is_pcm = av_malloc(min_pu_size);
112 if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm)
115 s->filter_slice_edges = av_malloc(ctb_count);
116 s->tab_slice_address = av_malloc(pic_size_in_ctb *
117 sizeof(*s->tab_slice_address));
118 s->qp_y_tab = av_malloc(pic_size_in_ctb *
119 sizeof(*s->qp_y_tab));
120 if (!s->qp_y_tab || !s->filter_slice_edges || !s->tab_slice_address)
123 s->horizontal_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1));
124 s->vertical_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1));
125 if (!s->horizontal_bs || !s->vertical_bs)
128 s->tab_mvf_pool = av_buffer_pool_init(min_pu_size * sizeof(MvField),
130 s->rpl_tab_pool = av_buffer_pool_init(ctb_count * sizeof(RefPicListTab),
132 if (!s->tab_mvf_pool || !s->rpl_tab_pool)
139 return AVERROR(ENOMEM);
142 static void pred_weight_table(HEVCContext *s, GetBitContext *gb)
146 uint8_t luma_weight_l0_flag[16];
147 uint8_t chroma_weight_l0_flag[16];
148 uint8_t luma_weight_l1_flag[16];
149 uint8_t chroma_weight_l1_flag[16];
151 s->sh.luma_log2_weight_denom = get_ue_golomb_long(gb);
152 if (s->sps->chroma_format_idc != 0) {
153 int delta = get_se_golomb(gb);
154 s->sh.chroma_log2_weight_denom = av_clip_c(s->sh.luma_log2_weight_denom + delta, 0, 7);
157 for (i = 0; i < s->sh.nb_refs[L0]; i++) {
158 luma_weight_l0_flag[i] = get_bits1(gb);
159 if (!luma_weight_l0_flag[i]) {
160 s->sh.luma_weight_l0[i] = 1 << s->sh.luma_log2_weight_denom;
161 s->sh.luma_offset_l0[i] = 0;
164 if (s->sps->chroma_format_idc != 0) { // FIXME: invert "if" and "for"
165 for (i = 0; i < s->sh.nb_refs[L0]; i++)
166 chroma_weight_l0_flag[i] = get_bits1(gb);
168 for (i = 0; i < s->sh.nb_refs[L0]; i++)
169 chroma_weight_l0_flag[i] = 0;
171 for (i = 0; i < s->sh.nb_refs[L0]; i++) {
172 if (luma_weight_l0_flag[i]) {
173 int delta_luma_weight_l0 = get_se_golomb(gb);
174 s->sh.luma_weight_l0[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l0;
175 s->sh.luma_offset_l0[i] = get_se_golomb(gb);
177 if (chroma_weight_l0_flag[i]) {
178 for (j = 0; j < 2; j++) {
179 int delta_chroma_weight_l0 = get_se_golomb(gb);
180 int delta_chroma_offset_l0 = get_se_golomb(gb);
181 s->sh.chroma_weight_l0[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l0;
182 s->sh.chroma_offset_l0[i][j] = av_clip_c((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j])
183 >> s->sh.chroma_log2_weight_denom) + 128), -128, 127);
186 s->sh.chroma_weight_l0[i][0] = 1 << s->sh.chroma_log2_weight_denom;
187 s->sh.chroma_offset_l0[i][0] = 0;
188 s->sh.chroma_weight_l0[i][1] = 1 << s->sh.chroma_log2_weight_denom;
189 s->sh.chroma_offset_l0[i][1] = 0;
192 if (s->sh.slice_type == B_SLICE) {
193 for (i = 0; i < s->sh.nb_refs[L1]; i++) {
194 luma_weight_l1_flag[i] = get_bits1(gb);
195 if (!luma_weight_l1_flag[i]) {
196 s->sh.luma_weight_l1[i] = 1 << s->sh.luma_log2_weight_denom;
197 s->sh.luma_offset_l1[i] = 0;
200 if (s->sps->chroma_format_idc != 0) {
201 for (i = 0; i < s->sh.nb_refs[L1]; i++)
202 chroma_weight_l1_flag[i] = get_bits1(gb);
204 for (i = 0; i < s->sh.nb_refs[L1]; i++)
205 chroma_weight_l1_flag[i] = 0;
207 for (i = 0; i < s->sh.nb_refs[L1]; i++) {
208 if (luma_weight_l1_flag[i]) {
209 int delta_luma_weight_l1 = get_se_golomb(gb);
210 s->sh.luma_weight_l1[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l1;
211 s->sh.luma_offset_l1[i] = get_se_golomb(gb);
213 if (chroma_weight_l1_flag[i]) {
214 for (j = 0; j < 2; j++) {
215 int delta_chroma_weight_l1 = get_se_golomb(gb);
216 int delta_chroma_offset_l1 = get_se_golomb(gb);
217 s->sh.chroma_weight_l1[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l1;
218 s->sh.chroma_offset_l1[i][j] = av_clip_c((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j])
219 >> s->sh.chroma_log2_weight_denom) + 128), -128, 127);
222 s->sh.chroma_weight_l1[i][0] = 1 << s->sh.chroma_log2_weight_denom;
223 s->sh.chroma_offset_l1[i][0] = 0;
224 s->sh.chroma_weight_l1[i][1] = 1 << s->sh.chroma_log2_weight_denom;
225 s->sh.chroma_offset_l1[i][1] = 0;
231 static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb)
233 const HEVCSPS *sps = s->sps;
234 int max_poc_lsb = 1 << sps->log2_max_poc_lsb;
235 int prev_delta_msb = 0;
236 unsigned int nb_sps = 0, nb_sh;
240 if (!sps->long_term_ref_pics_present_flag)
243 if (sps->num_long_term_ref_pics_sps > 0)
244 nb_sps = get_ue_golomb_long(gb);
245 nb_sh = get_ue_golomb_long(gb);
247 if (nb_sh + nb_sps > FF_ARRAY_ELEMS(rps->poc))
248 return AVERROR_INVALIDDATA;
250 rps->nb_refs = nb_sh + nb_sps;
252 for (i = 0; i < rps->nb_refs; i++) {
253 uint8_t delta_poc_msb_present;
256 uint8_t lt_idx_sps = 0;
258 if (sps->num_long_term_ref_pics_sps > 1)
259 lt_idx_sps = get_bits(gb, av_ceil_log2(sps->num_long_term_ref_pics_sps));
261 rps->poc[i] = sps->lt_ref_pic_poc_lsb_sps[lt_idx_sps];
262 rps->used[i] = sps->used_by_curr_pic_lt_sps_flag[lt_idx_sps];
264 rps->poc[i] = get_bits(gb, sps->log2_max_poc_lsb);
265 rps->used[i] = get_bits1(gb);
268 delta_poc_msb_present = get_bits1(gb);
269 if (delta_poc_msb_present) {
270 int delta = get_ue_golomb_long(gb);
272 if (i && i != nb_sps)
273 delta += prev_delta_msb;
275 rps->poc[i] += s->poc - delta * max_poc_lsb - s->sh.pic_order_cnt_lsb;
276 prev_delta_msb = delta;
283 static int set_sps(HEVCContext *s, const HEVCSPS *sps)
286 int num = 0, den = 0;
289 ret = pic_arrays_init(s, sps);
293 s->avctx->coded_width = sps->width;
294 s->avctx->coded_height = sps->height;
295 s->avctx->width = sps->output_width;
296 s->avctx->height = sps->output_height;
297 s->avctx->pix_fmt = sps->pix_fmt;
298 s->avctx->sample_aspect_ratio = sps->vui.sar;
299 s->avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics;
301 if (sps->vui.video_signal_type_present_flag)
302 s->avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG
305 s->avctx->color_range = AVCOL_RANGE_MPEG;
307 if (sps->vui.colour_description_present_flag) {
308 s->avctx->color_primaries = sps->vui.colour_primaries;
309 s->avctx->color_trc = sps->vui.transfer_characteristic;
310 s->avctx->colorspace = sps->vui.matrix_coeffs;
312 s->avctx->color_primaries = AVCOL_PRI_UNSPECIFIED;
313 s->avctx->color_trc = AVCOL_TRC_UNSPECIFIED;
314 s->avctx->colorspace = AVCOL_SPC_UNSPECIFIED;
317 ff_hevc_pred_init(&s->hpc, sps->bit_depth);
318 ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth);
319 ff_videodsp_init (&s->vdsp, sps->bit_depth);
321 if (sps->sao_enabled) {
322 av_frame_unref(s->tmp_frame);
323 ret = ff_get_buffer(s->avctx, s->tmp_frame, AV_GET_BUFFER_FLAG_REF);
326 s->frame = s->tmp_frame;
330 s->vps = (HEVCVPS*) s->vps_list[s->sps->vps_id]->data;
332 if (s->vps->vps_timing_info_present_flag) {
333 num = s->vps->vps_num_units_in_tick;
334 den = s->vps->vps_time_scale;
335 } else if (sps->vui.vui_timing_info_present_flag) {
336 num = sps->vui.vui_num_units_in_tick;
337 den = sps->vui.vui_time_scale;
340 if (num != 0 && den != 0)
341 av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
352 static int hls_slice_header(HEVCContext *s)
354 GetBitContext *gb = &s->HEVClc->gb;
355 SliceHeader *sh = &s->sh;
359 sh->first_slice_in_pic_flag = get_bits1(gb);
360 if ((IS_IDR(s) || IS_BLA(s)) && sh->first_slice_in_pic_flag) {
361 s->seq_decode = (s->seq_decode + 1) & 0xff;
364 ff_hevc_clear_refs(s);
366 if (s->nal_unit_type >= 16 && s->nal_unit_type <= 23)
367 sh->no_output_of_prior_pics_flag = get_bits1(gb);
369 sh->pps_id = get_ue_golomb_long(gb);
370 if (sh->pps_id >= MAX_PPS_COUNT || !s->pps_list[sh->pps_id]) {
371 av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id);
372 return AVERROR_INVALIDDATA;
374 if (!sh->first_slice_in_pic_flag &&
375 s->pps != (HEVCPPS*)s->pps_list[sh->pps_id]->data) {
376 av_log(s->avctx, AV_LOG_ERROR, "PPS changed between slices.\n");
377 return AVERROR_INVALIDDATA;
379 s->pps = (HEVCPPS*)s->pps_list[sh->pps_id]->data;
381 if (s->sps != (HEVCSPS*)s->sps_list[s->pps->sps_id]->data) {
382 s->sps = (HEVCSPS*)s->sps_list[s->pps->sps_id]->data;
383 ff_hevc_clear_refs(s);
384 ret = set_sps(s, s->sps);
388 s->seq_decode = (s->seq_decode + 1) & 0xff;
392 s->avctx->profile = s->sps->ptl.general_ptl.profile_idc;
393 s->avctx->level = s->sps->ptl.general_ptl.level_idc;
395 sh->dependent_slice_segment_flag = 0;
396 if (!sh->first_slice_in_pic_flag) {
397 int slice_address_length;
399 if (s->pps->dependent_slice_segments_enabled_flag)
400 sh->dependent_slice_segment_flag = get_bits1(gb);
402 slice_address_length = av_ceil_log2(s->sps->ctb_width *
404 sh->slice_segment_addr = get_bits(gb, slice_address_length);
405 if (sh->slice_segment_addr >= s->sps->ctb_width * s->sps->ctb_height) {
406 av_log(s->avctx, AV_LOG_ERROR,
407 "Invalid slice segment address: %u.\n",
408 sh->slice_segment_addr);
409 return AVERROR_INVALIDDATA;
412 if (!sh->dependent_slice_segment_flag) {
413 sh->slice_addr = sh->slice_segment_addr;
417 sh->slice_segment_addr = sh->slice_addr = 0;
419 s->slice_initialized = 0;
422 if (!sh->dependent_slice_segment_flag) {
423 s->slice_initialized = 0;
425 for (i = 0; i < s->pps->num_extra_slice_header_bits; i++)
426 skip_bits(gb, 1); // slice_reserved_undetermined_flag[]
428 sh->slice_type = get_ue_golomb_long(gb);
429 if (!(sh->slice_type == I_SLICE ||
430 sh->slice_type == P_SLICE ||
431 sh->slice_type == B_SLICE)) {
432 av_log(s->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n",
434 return AVERROR_INVALIDDATA;
436 if (IS_IRAP(s) && sh->slice_type != I_SLICE) {
437 av_log(s->avctx, AV_LOG_ERROR, "Inter slices in an IRAP frame.\n");
438 return AVERROR_INVALIDDATA;
441 if (s->pps->output_flag_present_flag)
442 sh->pic_output_flag = get_bits1(gb);
444 if (s->sps->separate_colour_plane_flag)
445 sh->colour_plane_id = get_bits(gb, 2);
448 int short_term_ref_pic_set_sps_flag, poc;
450 sh->pic_order_cnt_lsb = get_bits(gb, s->sps->log2_max_poc_lsb);
451 poc = ff_hevc_compute_poc(s, sh->pic_order_cnt_lsb);
452 if (!sh->first_slice_in_pic_flag && poc != s->poc) {
453 av_log(s->avctx, AV_LOG_WARNING,
454 "Ignoring POC change between slices: %d -> %d\n", s->poc, poc);
455 if (s->avctx->err_recognition & AV_EF_EXPLODE)
456 return AVERROR_INVALIDDATA;
461 short_term_ref_pic_set_sps_flag = get_bits1(gb);
462 if (!short_term_ref_pic_set_sps_flag) {
463 ret = ff_hevc_decode_short_term_rps(s, &sh->slice_rps, s->sps, 1);
467 sh->short_term_rps = &sh->slice_rps;
469 int numbits, rps_idx;
471 if (!s->sps->nb_st_rps) {
472 av_log(s->avctx, AV_LOG_ERROR, "No ref lists in the SPS.\n");
473 return AVERROR_INVALIDDATA;
476 numbits = av_ceil_log2(s->sps->nb_st_rps);
477 rps_idx = numbits > 0 ? get_bits(gb, numbits) : 0;
478 sh->short_term_rps = &s->sps->st_rps[rps_idx];
481 ret = decode_lt_rps(s, &sh->long_term_rps, gb);
483 av_log(s->avctx, AV_LOG_WARNING, "Invalid long term RPS.\n");
484 if (s->avctx->err_recognition & AV_EF_EXPLODE)
485 return AVERROR_INVALIDDATA;
488 if (s->sps->sps_temporal_mvp_enabled_flag)
489 sh->slice_temporal_mvp_enabled_flag = get_bits1(gb);
491 sh->slice_temporal_mvp_enabled_flag = 0;
493 s->sh.short_term_rps = NULL;
498 if (s->temporal_id == 0 &&
499 s->nal_unit_type != NAL_TRAIL_N &&
500 s->nal_unit_type != NAL_TSA_N &&
501 s->nal_unit_type != NAL_STSA_N &&
502 s->nal_unit_type != NAL_RADL_N &&
503 s->nal_unit_type != NAL_RADL_R &&
504 s->nal_unit_type != NAL_RASL_N &&
505 s->nal_unit_type != NAL_RASL_R)
508 if (s->sps->sao_enabled) {
509 sh->slice_sample_adaptive_offset_flag[0] = get_bits1(gb);
510 sh->slice_sample_adaptive_offset_flag[1] =
511 sh->slice_sample_adaptive_offset_flag[2] = get_bits1(gb);
513 sh->slice_sample_adaptive_offset_flag[0] = 0;
514 sh->slice_sample_adaptive_offset_flag[1] = 0;
515 sh->slice_sample_adaptive_offset_flag[2] = 0;
518 sh->nb_refs[L0] = sh->nb_refs[L1] = 0;
519 if (sh->slice_type == P_SLICE || sh->slice_type == B_SLICE) {
522 sh->nb_refs[L0] = s->pps->num_ref_idx_l0_default_active;
523 if (sh->slice_type == B_SLICE)
524 sh->nb_refs[L1] = s->pps->num_ref_idx_l1_default_active;
526 if (get_bits1(gb)) { // num_ref_idx_active_override_flag
527 sh->nb_refs[L0] = get_ue_golomb_long(gb) + 1;
528 if (sh->slice_type == B_SLICE)
529 sh->nb_refs[L1] = get_ue_golomb_long(gb) + 1;
531 if (sh->nb_refs[L0] > MAX_REFS || sh->nb_refs[L1] > MAX_REFS) {
532 av_log(s->avctx, AV_LOG_ERROR, "Too many refs: %d/%d.\n",
533 sh->nb_refs[L0], sh->nb_refs[L1]);
534 return AVERROR_INVALIDDATA;
537 sh->rpl_modification_flag[0] = 0;
538 sh->rpl_modification_flag[1] = 0;
539 nb_refs = ff_hevc_frame_nb_refs(s);
541 av_log(s->avctx, AV_LOG_ERROR, "Zero refs for a frame with P or B slices.\n");
542 return AVERROR_INVALIDDATA;
545 if (s->pps->lists_modification_present_flag && nb_refs > 1) {
546 sh->rpl_modification_flag[0] = get_bits1(gb);
547 if (sh->rpl_modification_flag[0]) {
548 for (i = 0; i < sh->nb_refs[L0]; i++)
549 sh->list_entry_lx[0][i] = get_bits(gb, av_ceil_log2(nb_refs));
552 if (sh->slice_type == B_SLICE) {
553 sh->rpl_modification_flag[1] = get_bits1(gb);
554 if (sh->rpl_modification_flag[1] == 1)
555 for (i = 0; i < sh->nb_refs[L1]; i++)
556 sh->list_entry_lx[1][i] = get_bits(gb, av_ceil_log2(nb_refs));
560 if (sh->slice_type == B_SLICE)
561 sh->mvd_l1_zero_flag = get_bits1(gb);
563 if (s->pps->cabac_init_present_flag)
564 sh->cabac_init_flag = get_bits1(gb);
566 sh->cabac_init_flag = 0;
568 sh->collocated_ref_idx = 0;
569 if (sh->slice_temporal_mvp_enabled_flag) {
570 sh->collocated_list = L0;
571 if (sh->slice_type == B_SLICE)
572 sh->collocated_list = !get_bits1(gb);
574 if (sh->nb_refs[sh->collocated_list] > 1) {
575 sh->collocated_ref_idx = get_ue_golomb_long(gb);
576 if (sh->collocated_ref_idx >= sh->nb_refs[sh->collocated_list]) {
577 av_log(s->avctx, AV_LOG_ERROR,
578 "Invalid collocated_ref_idx: %d.\n",
579 sh->collocated_ref_idx);
580 return AVERROR_INVALIDDATA;
585 if ((s->pps->weighted_pred_flag && sh->slice_type == P_SLICE) ||
586 (s->pps->weighted_bipred_flag && sh->slice_type == B_SLICE)) {
587 pred_weight_table(s, gb);
590 sh->max_num_merge_cand = 5 - get_ue_golomb_long(gb);
591 if (sh->max_num_merge_cand < 1 || sh->max_num_merge_cand > 5) {
592 av_log(s->avctx, AV_LOG_ERROR,
593 "Invalid number of merging MVP candidates: %d.\n",
594 sh->max_num_merge_cand);
595 return AVERROR_INVALIDDATA;
599 sh->slice_qp_delta = get_se_golomb(gb);
601 if (s->pps->pic_slice_level_chroma_qp_offsets_present_flag) {
602 sh->slice_cb_qp_offset = get_se_golomb(gb);
603 sh->slice_cr_qp_offset = get_se_golomb(gb);
605 sh->slice_cb_qp_offset = 0;
606 sh->slice_cr_qp_offset = 0;
609 if (s->pps->deblocking_filter_control_present_flag) {
610 int deblocking_filter_override_flag = 0;
612 if (s->pps->deblocking_filter_override_enabled_flag)
613 deblocking_filter_override_flag = get_bits1(gb);
615 if (deblocking_filter_override_flag) {
616 sh->disable_deblocking_filter_flag = get_bits1(gb);
617 if (!sh->disable_deblocking_filter_flag) {
618 sh->beta_offset = get_se_golomb(gb) * 2;
619 sh->tc_offset = get_se_golomb(gb) * 2;
622 sh->disable_deblocking_filter_flag = s->pps->disable_dbf;
623 sh->beta_offset = s->pps->beta_offset;
624 sh->tc_offset = s->pps->tc_offset;
627 sh->disable_deblocking_filter_flag = 0;
632 if (s->pps->seq_loop_filter_across_slices_enabled_flag &&
633 (sh->slice_sample_adaptive_offset_flag[0] ||
634 sh->slice_sample_adaptive_offset_flag[1] ||
635 !sh->disable_deblocking_filter_flag)) {
636 sh->slice_loop_filter_across_slices_enabled_flag = get_bits1(gb);
638 sh->slice_loop_filter_across_slices_enabled_flag = s->pps->seq_loop_filter_across_slices_enabled_flag;
640 } else if (!s->slice_initialized) {
641 av_log(s->avctx, AV_LOG_ERROR, "Independent slice segment missing.\n");
642 return AVERROR_INVALIDDATA;
645 sh->num_entry_point_offsets = 0;
646 if (s->pps->tiles_enabled_flag || s->pps->entropy_coding_sync_enabled_flag) {
647 sh->num_entry_point_offsets = get_ue_golomb_long(gb);
648 if (sh->num_entry_point_offsets > 0) {
649 int offset_len = get_ue_golomb_long(gb) + 1;
650 int segments = offset_len >> 4;
651 int rest = (offset_len & 15);
652 av_freep(&sh->entry_point_offset);
653 av_freep(&sh->offset);
655 sh->entry_point_offset = av_malloc(sh->num_entry_point_offsets * sizeof(int));
656 sh->offset = av_malloc(sh->num_entry_point_offsets * sizeof(int));
657 sh->size = av_malloc(sh->num_entry_point_offsets * sizeof(int));
658 if (!sh->entry_point_offset || !sh->offset || !sh->size) {
659 sh->num_entry_point_offsets = 0;
660 av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate memory\n");
661 return AVERROR(ENOMEM);
663 for (i = 0; i < sh->num_entry_point_offsets; i++) {
665 for (j = 0; j < segments; j++) {
667 val += get_bits(gb, 16);
671 val += get_bits(gb, rest);
673 sh->entry_point_offset[i] = val + 1; // +1; // +1 to get the size
675 if (s->threads_number > 1 && (s->pps->num_tile_rows > 1 || s->pps->num_tile_columns > 1)) {
676 s->enable_parallel_tiles = 0; // TODO: you can enable tiles in parallel here
677 s->threads_number = 1;
679 s->enable_parallel_tiles = 0;
681 s->enable_parallel_tiles = 0;
684 if (s->pps->slice_header_extension_present_flag) {
685 unsigned int length = get_ue_golomb_long(gb);
686 for (i = 0; i < length; i++)
687 skip_bits(gb, 8); // slice_header_extension_data_byte
690 // Inferred parameters
691 sh->slice_qp = 26U + s->pps->pic_init_qp_minus26 + sh->slice_qp_delta;
692 if (sh->slice_qp > 51 ||
693 sh->slice_qp < -s->sps->qp_bd_offset) {
694 av_log(s->avctx, AV_LOG_ERROR,
695 "The slice_qp %d is outside the valid range "
698 -s->sps->qp_bd_offset);
699 return AVERROR_INVALIDDATA;
702 sh->slice_ctb_addr_rs = sh->slice_segment_addr;
704 s->HEVClc->first_qp_group = !s->sh.dependent_slice_segment_flag;
706 if (!s->pps->cu_qp_delta_enabled_flag)
707 s->HEVClc->qp_y = FFUMOD(s->sh.slice_qp + 52 + 2 * s->sps->qp_bd_offset,
708 52 + s->sps->qp_bd_offset) - s->sps->qp_bd_offset;
710 s->slice_initialized = 1;
715 #define CTB(tab, x, y) ((tab)[(y) * s->sps->ctb_width + (x)])
717 #define SET_SAO(elem, value) \
719 if (!sao_merge_up_flag && !sao_merge_left_flag) \
721 else if (sao_merge_left_flag) \
722 sao->elem = CTB(s->sao, rx-1, ry).elem; \
723 else if (sao_merge_up_flag) \
724 sao->elem = CTB(s->sao, rx, ry-1).elem; \
729 static void hls_sao_param(HEVCContext *s, int rx, int ry)
731 HEVCLocalContext *lc = s->HEVClc;
732 int sao_merge_left_flag = 0;
733 int sao_merge_up_flag = 0;
734 int shift = s->sps->bit_depth - FFMIN(s->sps->bit_depth, 10);
735 SAOParams *sao = &CTB(s->sao, rx, ry);
738 if (s->sh.slice_sample_adaptive_offset_flag[0] ||
739 s->sh.slice_sample_adaptive_offset_flag[1]) {
741 if (lc->ctb_left_flag)
742 sao_merge_left_flag = ff_hevc_sao_merge_flag_decode(s);
744 if (ry > 0 && !sao_merge_left_flag) {
746 sao_merge_up_flag = ff_hevc_sao_merge_flag_decode(s);
750 for (c_idx = 0; c_idx < 3; c_idx++) {
751 if (!s->sh.slice_sample_adaptive_offset_flag[c_idx]) {
752 sao->type_idx[c_idx] = SAO_NOT_APPLIED;
757 sao->type_idx[2] = sao->type_idx[1];
758 sao->eo_class[2] = sao->eo_class[1];
760 SET_SAO(type_idx[c_idx], ff_hevc_sao_type_idx_decode(s));
763 if (sao->type_idx[c_idx] == SAO_NOT_APPLIED)
766 for (i = 0; i < 4; i++)
767 SET_SAO(offset_abs[c_idx][i], ff_hevc_sao_offset_abs_decode(s));
769 if (sao->type_idx[c_idx] == SAO_BAND) {
770 for (i = 0; i < 4; i++) {
771 if (sao->offset_abs[c_idx][i]) {
772 SET_SAO(offset_sign[c_idx][i],
773 ff_hevc_sao_offset_sign_decode(s));
775 sao->offset_sign[c_idx][i] = 0;
778 SET_SAO(band_position[c_idx], ff_hevc_sao_band_position_decode(s));
779 } else if (c_idx != 2) {
780 SET_SAO(eo_class[c_idx], ff_hevc_sao_eo_class_decode(s));
783 // Inferred parameters
784 sao->offset_val[c_idx][0] = 0;
785 for (i = 0; i < 4; i++) {
786 sao->offset_val[c_idx][i + 1] = sao->offset_abs[c_idx][i] << shift;
787 if (sao->type_idx[c_idx] == SAO_EDGE) {
789 sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1];
790 } else if (sao->offset_sign[c_idx][i]) {
791 sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1];
800 static int hls_transform_unit(HEVCContext *s, int x0, int y0,
801 int xBase, int yBase, int cb_xBase, int cb_yBase,
802 int log2_cb_size, int log2_trafo_size,
803 int trafo_depth, int blk_idx)
805 HEVCLocalContext *lc = s->HEVClc;
807 if (lc->cu.pred_mode == MODE_INTRA) {
808 int trafo_size = 1 << log2_trafo_size;
809 ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size);
811 s->hpc.intra_pred(s, x0, y0, log2_trafo_size, 0);
812 if (log2_trafo_size > 2) {
813 trafo_size = trafo_size << (s->sps->hshift[1] - 1);
814 ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size);
815 s->hpc.intra_pred(s, x0, y0, log2_trafo_size - 1, 1);
816 s->hpc.intra_pred(s, x0, y0, log2_trafo_size - 1, 2);
817 } else if (blk_idx == 3) {
818 trafo_size = trafo_size << s->sps->hshift[1];
819 ff_hevc_set_neighbour_available(s, xBase, yBase,
820 trafo_size, trafo_size);
821 s->hpc.intra_pred(s, xBase, yBase, log2_trafo_size, 1);
822 s->hpc.intra_pred(s, xBase, yBase, log2_trafo_size, 2);
826 if (lc->tt.cbf_luma ||
827 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0) ||
828 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0)) {
829 int scan_idx = SCAN_DIAG;
830 int scan_idx_c = SCAN_DIAG;
832 if (s->pps->cu_qp_delta_enabled_flag && !lc->tu.is_cu_qp_delta_coded) {
833 lc->tu.cu_qp_delta = ff_hevc_cu_qp_delta_abs(s);
834 if (lc->tu.cu_qp_delta != 0)
835 if (ff_hevc_cu_qp_delta_sign_flag(s) == 1)
836 lc->tu.cu_qp_delta = -lc->tu.cu_qp_delta;
837 lc->tu.is_cu_qp_delta_coded = 1;
839 if (lc->tu.cu_qp_delta < -(26 + s->sps->qp_bd_offset / 2) ||
840 lc->tu.cu_qp_delta > (25 + s->sps->qp_bd_offset / 2)) {
841 av_log(s->avctx, AV_LOG_ERROR,
842 "The cu_qp_delta %d is outside the valid range "
845 -(26 + s->sps->qp_bd_offset / 2),
846 (25 + s->sps->qp_bd_offset / 2));
847 return AVERROR_INVALIDDATA;
850 ff_hevc_set_qPy(s, x0, y0, cb_xBase, cb_yBase, log2_cb_size);
853 if (lc->cu.pred_mode == MODE_INTRA && log2_trafo_size < 4) {
854 if (lc->tu.cur_intra_pred_mode >= 6 &&
855 lc->tu.cur_intra_pred_mode <= 14) {
856 scan_idx = SCAN_VERT;
857 } else if (lc->tu.cur_intra_pred_mode >= 22 &&
858 lc->tu.cur_intra_pred_mode <= 30) {
859 scan_idx = SCAN_HORIZ;
862 if (lc->pu.intra_pred_mode_c >= 6 &&
863 lc->pu.intra_pred_mode_c <= 14) {
864 scan_idx_c = SCAN_VERT;
865 } else if (lc->pu.intra_pred_mode_c >= 22 &&
866 lc->pu.intra_pred_mode_c <= 30) {
867 scan_idx_c = SCAN_HORIZ;
872 ff_hevc_hls_residual_coding(s, x0, y0, log2_trafo_size, scan_idx, 0);
873 if (log2_trafo_size > 2) {
874 if (SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0))
875 ff_hevc_hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 1);
876 if (SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0))
877 ff_hevc_hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 2);
878 } else if (blk_idx == 3) {
879 if (SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], xBase, yBase))
880 ff_hevc_hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 1);
881 if (SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], xBase, yBase))
882 ff_hevc_hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 2);
888 static void set_deblocking_bypass(HEVCContext *s, int x0, int y0, int log2_cb_size)
890 int cb_size = 1 << log2_cb_size;
891 int log2_min_pu_size = s->sps->log2_min_pu_size;
893 int min_pu_width = s->sps->min_pu_width;
894 int x_end = FFMIN(x0 + cb_size, s->sps->width);
895 int y_end = FFMIN(y0 + cb_size, s->sps->height);
898 for (j = (y0 >> log2_min_pu_size); j < (y_end >> log2_min_pu_size); j++)
899 for (i = (x0 >> log2_min_pu_size); i < (x_end >> log2_min_pu_size); i++)
900 s->is_pcm[i + j * min_pu_width] = 2;
903 static int hls_transform_tree(HEVCContext *s, int x0, int y0,
904 int xBase, int yBase, int cb_xBase, int cb_yBase,
905 int log2_cb_size, int log2_trafo_size,
906 int trafo_depth, int blk_idx)
908 HEVCLocalContext *lc = s->HEVClc;
909 uint8_t split_transform_flag;
912 if (trafo_depth > 0 && log2_trafo_size == 2) {
913 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0) =
914 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth - 1], xBase, yBase);
915 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0) =
916 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth - 1], xBase, yBase);
918 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0) =
919 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0) = 0;
922 if (lc->cu.intra_split_flag) {
923 if (trafo_depth == 1)
924 lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[blk_idx];
926 lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[0];
931 lc->tt.inter_split_flag = s->sps->max_transform_hierarchy_depth_inter == 0 &&
932 lc->cu.pred_mode == MODE_INTER &&
933 lc->cu.part_mode != PART_2Nx2N &&
936 if (log2_trafo_size <= s->sps->log2_max_trafo_size &&
937 log2_trafo_size > s->sps->log2_min_tb_size &&
938 trafo_depth < lc->cu.max_trafo_depth &&
939 !(lc->cu.intra_split_flag && trafo_depth == 0)) {
940 split_transform_flag = ff_hevc_split_transform_flag_decode(s, log2_trafo_size);
942 split_transform_flag = log2_trafo_size > s->sps->log2_max_trafo_size ||
943 (lc->cu.intra_split_flag && trafo_depth == 0) ||
944 lc->tt.inter_split_flag;
947 if (log2_trafo_size > 2) {
948 if (trafo_depth == 0 ||
949 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth - 1], xBase, yBase)) {
950 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0) =
951 ff_hevc_cbf_cb_cr_decode(s, trafo_depth);
954 if (trafo_depth == 0 ||
955 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth - 1], xBase, yBase)) {
956 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0) =
957 ff_hevc_cbf_cb_cr_decode(s, trafo_depth);
961 if (split_transform_flag) {
962 int x1 = x0 + ((1 << log2_trafo_size) >> 1);
963 int y1 = y0 + ((1 << log2_trafo_size) >> 1);
965 ret = hls_transform_tree(s, x0, y0, x0, y0, cb_xBase, cb_yBase,
966 log2_cb_size, log2_trafo_size - 1,
970 ret = hls_transform_tree(s, x1, y0, x0, y0, cb_xBase, cb_yBase,
971 log2_cb_size, log2_trafo_size - 1,
975 ret = hls_transform_tree(s, x0, y1, x0, y0, cb_xBase, cb_yBase,
976 log2_cb_size, log2_trafo_size - 1,
980 ret = hls_transform_tree(s, x1, y1, x0, y0, cb_xBase, cb_yBase,
981 log2_cb_size, log2_trafo_size - 1,
986 int min_tu_size = 1 << s->sps->log2_min_tb_size;
987 int log2_min_tu_size = s->sps->log2_min_tb_size;
988 int min_tu_width = s->sps->min_tb_width;
990 if (lc->cu.pred_mode == MODE_INTRA || trafo_depth != 0 ||
991 SAMPLE_CBF(lc->tt.cbf_cb[trafo_depth], x0, y0) ||
992 SAMPLE_CBF(lc->tt.cbf_cr[trafo_depth], x0, y0)) {
993 lc->tt.cbf_luma = ff_hevc_cbf_luma_decode(s, trafo_depth);
996 ret = hls_transform_unit(s, x0, y0, xBase, yBase, cb_xBase, cb_yBase,
997 log2_cb_size, log2_trafo_size, trafo_depth,
1001 // TODO: store cbf_luma somewhere else
1002 if (lc->tt.cbf_luma) {
1004 for (i = 0; i < (1 << log2_trafo_size); i += min_tu_size)
1005 for (j = 0; j < (1 << log2_trafo_size); j += min_tu_size) {
1006 int x_tu = (x0 + j) >> log2_min_tu_size;
1007 int y_tu = (y0 + i) >> log2_min_tu_size;
1008 s->cbf_luma[y_tu * min_tu_width + x_tu] = 1;
1011 if (!s->sh.disable_deblocking_filter_flag) {
1012 ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_trafo_size,
1013 lc->slice_or_tiles_up_boundary,
1014 lc->slice_or_tiles_left_boundary);
1015 if (s->pps->transquant_bypass_enable_flag &&
1016 lc->cu.cu_transquant_bypass_flag)
1017 set_deblocking_bypass(s, x0, y0, log2_trafo_size);
1023 static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size)
1025 //TODO: non-4:2:0 support
1026 HEVCLocalContext *lc = s->HEVClc;
1028 int cb_size = 1 << log2_cb_size;
1029 int stride0 = s->frame->linesize[0];
1030 uint8_t *dst0 = &s->frame->data[0][y0 * stride0 + (x0 << s->sps->pixel_shift)];
1031 int stride1 = s->frame->linesize[1];
1032 uint8_t *dst1 = &s->frame->data[1][(y0 >> s->sps->vshift[1]) * stride1 + ((x0 >> s->sps->hshift[1]) << s->sps->pixel_shift)];
1033 int stride2 = s->frame->linesize[2];
1034 uint8_t *dst2 = &s->frame->data[2][(y0 >> s->sps->vshift[2]) * stride2 + ((x0 >> s->sps->hshift[2]) << s->sps->pixel_shift)];
1036 int length = cb_size * cb_size * s->sps->pcm.bit_depth + ((cb_size * cb_size) >> 1) * s->sps->pcm.bit_depth_chroma;
1037 const uint8_t *pcm = skip_bytes(&s->HEVClc->cc, (length + 7) >> 3);
1040 ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size,
1041 lc->slice_or_tiles_up_boundary,
1042 lc->slice_or_tiles_left_boundary);
1044 ret = init_get_bits(&gb, pcm, length);
1048 s->hevcdsp.put_pcm(dst0, stride0, cb_size, &gb, s->sps->pcm.bit_depth);
1049 s->hevcdsp.put_pcm(dst1, stride1, cb_size / 2, &gb, s->sps->pcm.bit_depth_chroma);
1050 s->hevcdsp.put_pcm(dst2, stride2, cb_size / 2, &gb, s->sps->pcm.bit_depth_chroma);
1055 * 8.5.3.2.2.1 Luma sample interpolation process
1057 * @param s HEVC decoding context
1058 * @param dst target buffer for block data at block position
1059 * @param dststride stride of the dst buffer
1060 * @param ref reference picture buffer at origin (0, 0)
1061 * @param mv motion vector (relative to block position) to get pixel data from
1062 * @param x_off horizontal position of block from origin (0, 0)
1063 * @param y_off vertical position of block from origin (0, 0)
1064 * @param block_w width of block
1065 * @param block_h height of block
1067 static void luma_mc(HEVCContext *s, int16_t *dst, ptrdiff_t dststride,
1068 AVFrame *ref, const Mv *mv, int x_off, int y_off,
1069 int block_w, int block_h)
1071 HEVCLocalContext *lc = s->HEVClc;
1072 uint8_t *src = ref->data[0];
1073 ptrdiff_t srcstride = ref->linesize[0];
1074 int pic_width = s->sps->width;
1075 int pic_height = s->sps->height;
1079 int extra_left = ff_hevc_qpel_extra_before[mx];
1080 int extra_top = ff_hevc_qpel_extra_before[my];
1082 x_off += mv->x >> 2;
1083 y_off += mv->y >> 2;
1084 src += y_off * srcstride + (x_off << s->sps->pixel_shift);
1086 if (x_off < extra_left || y_off < extra_top ||
1087 x_off >= pic_width - block_w - ff_hevc_qpel_extra_after[mx] ||
1088 y_off >= pic_height - block_h - ff_hevc_qpel_extra_after[my]) {
1089 const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift;
1090 int offset = extra_top * srcstride + (extra_left << s->sps->pixel_shift);
1091 int buf_offset = extra_top *
1092 edge_emu_stride + (extra_left << s->sps->pixel_shift);
1094 s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src - offset,
1095 edge_emu_stride, srcstride,
1096 block_w + ff_hevc_qpel_extra[mx],
1097 block_h + ff_hevc_qpel_extra[my],
1098 x_off - extra_left, y_off - extra_top,
1099 pic_width, pic_height);
1100 src = lc->edge_emu_buffer + buf_offset;
1101 srcstride = edge_emu_stride;
1103 s->hevcdsp.put_hevc_qpel[my][mx](dst, dststride, src, srcstride, block_w,
1104 block_h, lc->mc_buffer);
1108 * 8.5.3.2.2.2 Chroma sample interpolation process
1110 * @param s HEVC decoding context
1111 * @param dst1 target buffer for block data at block position (U plane)
1112 * @param dst2 target buffer for block data at block position (V plane)
1113 * @param dststride stride of the dst1 and dst2 buffers
1114 * @param ref reference picture buffer at origin (0, 0)
1115 * @param mv motion vector (relative to block position) to get pixel data from
1116 * @param x_off horizontal position of block from origin (0, 0)
1117 * @param y_off vertical position of block from origin (0, 0)
1118 * @param block_w width of block
1119 * @param block_h height of block
1121 static void chroma_mc(HEVCContext *s, int16_t *dst1, int16_t *dst2,
1122 ptrdiff_t dststride, AVFrame *ref, const Mv *mv,
1123 int x_off, int y_off, int block_w, int block_h)
1125 HEVCLocalContext *lc = s->HEVClc;
1126 uint8_t *src1 = ref->data[1];
1127 uint8_t *src2 = ref->data[2];
1128 ptrdiff_t src1stride = ref->linesize[1];
1129 ptrdiff_t src2stride = ref->linesize[2];
1130 int pic_width = s->sps->width >> 1;
1131 int pic_height = s->sps->height >> 1;
1136 x_off += mv->x >> 3;
1137 y_off += mv->y >> 3;
1138 src1 += y_off * src1stride + (x_off << s->sps->pixel_shift);
1139 src2 += y_off * src2stride + (x_off << s->sps->pixel_shift);
1141 if (x_off < EPEL_EXTRA_BEFORE || y_off < EPEL_EXTRA_AFTER ||
1142 x_off >= pic_width - block_w - EPEL_EXTRA_AFTER ||
1143 y_off >= pic_height - block_h - EPEL_EXTRA_AFTER) {
1144 const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->sps->pixel_shift;
1145 int offset1 = EPEL_EXTRA_BEFORE * (src1stride + (1 << s->sps->pixel_shift));
1146 int buf_offset1 = EPEL_EXTRA_BEFORE *
1147 (edge_emu_stride + (1 << s->sps->pixel_shift));
1148 int offset2 = EPEL_EXTRA_BEFORE * (src2stride + (1 << s->sps->pixel_shift));
1149 int buf_offset2 = EPEL_EXTRA_BEFORE *
1150 (edge_emu_stride + (1 << s->sps->pixel_shift));
1152 s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src1 - offset1,
1153 edge_emu_stride, src1stride,
1154 block_w + EPEL_EXTRA, block_h + EPEL_EXTRA,
1155 x_off - EPEL_EXTRA_BEFORE,
1156 y_off - EPEL_EXTRA_BEFORE,
1157 pic_width, pic_height);
1159 src1 = lc->edge_emu_buffer + buf_offset1;
1160 src1stride = edge_emu_stride;
1161 s->hevcdsp.put_hevc_epel[!!my][!!mx](dst1, dststride, src1, src1stride,
1162 block_w, block_h, mx, my, lc->mc_buffer);
1164 s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src2 - offset2,
1165 edge_emu_stride, src2stride,
1166 block_w + EPEL_EXTRA, block_h + EPEL_EXTRA,
1167 x_off - EPEL_EXTRA_BEFORE,
1168 y_off - EPEL_EXTRA_BEFORE,
1169 pic_width, pic_height);
1170 src2 = lc->edge_emu_buffer + buf_offset2;
1171 src2stride = edge_emu_stride;
1173 s->hevcdsp.put_hevc_epel[!!my][!!mx](dst2, dststride, src2, src2stride,
1174 block_w, block_h, mx, my,
1177 s->hevcdsp.put_hevc_epel[!!my][!!mx](dst1, dststride, src1, src1stride,
1178 block_w, block_h, mx, my,
1180 s->hevcdsp.put_hevc_epel[!!my][!!mx](dst2, dststride, src2, src2stride,
1181 block_w, block_h, mx, my,
1186 static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref,
1187 const Mv *mv, int y0, int height)
1189 int y = (mv->y >> 2) + y0 + height + 9;
1191 if (s->threads_type == FF_THREAD_FRAME )
1192 ff_thread_await_progress(&ref->tf, y, 0);
1195 static void hls_prediction_unit(HEVCContext *s, int x0, int y0,
1197 int log2_cb_size, int partIdx)
1199 #define POS(c_idx, x, y) \
1200 &s->frame->data[c_idx][((y) >> s->sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \
1201 (((x) >> s->sps->hshift[c_idx]) << s->sps->pixel_shift)]
1202 HEVCLocalContext *lc = s->HEVClc;
1204 struct MvField current_mv = {{{ 0 }}};
1206 int min_pu_width = s->sps->min_pu_width;
1208 MvField *tab_mvf = s->ref->tab_mvf;
1209 RefPicList *refPicList = s->ref->refPicList;
1210 HEVCFrame *ref0, *ref1;
1212 int tmpstride = MAX_PB_SIZE;
1214 uint8_t *dst0 = POS(0, x0, y0);
1215 uint8_t *dst1 = POS(1, x0, y0);
1216 uint8_t *dst2 = POS(2, x0, y0);
1217 int log2_min_cb_size = s->sps->log2_min_cb_size;
1218 int min_cb_width = s->sps->min_cb_width;
1219 int x_cb = x0 >> log2_min_cb_size;
1220 int y_cb = y0 >> log2_min_cb_size;
1226 if (SAMPLE_CTB(s->skip_flag, x_cb, y_cb)) {
1227 if (s->sh.max_num_merge_cand > 1)
1228 merge_idx = ff_hevc_merge_idx_decode(s);
1232 ff_hevc_luma_mv_merge_mode(s, x0, y0,
1235 log2_cb_size, partIdx,
1236 merge_idx, ¤t_mv);
1237 x_pu = x0 >> s->sps->log2_min_pu_size;
1238 y_pu = y0 >> s->sps->log2_min_pu_size;
1240 for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
1241 for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
1242 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
1243 } else { /* MODE_INTER */
1244 lc->pu.merge_flag = ff_hevc_merge_flag_decode(s);
1245 if (lc->pu.merge_flag) {
1246 if (s->sh.max_num_merge_cand > 1)
1247 merge_idx = ff_hevc_merge_idx_decode(s);
1251 ff_hevc_luma_mv_merge_mode(s, x0, y0, nPbW, nPbH, log2_cb_size,
1252 partIdx, merge_idx, ¤t_mv);
1253 x_pu = x0 >> s->sps->log2_min_pu_size;
1254 y_pu = y0 >> s->sps->log2_min_pu_size;
1256 for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
1257 for (j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
1258 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
1260 enum InterPredIdc inter_pred_idc = PRED_L0;
1261 ff_hevc_set_neighbour_available(s, x0, y0, nPbW, nPbH);
1262 if (s->sh.slice_type == B_SLICE)
1263 inter_pred_idc = ff_hevc_inter_pred_idc_decode(s, nPbW, nPbH);
1265 if (inter_pred_idc != PRED_L1) {
1266 if (s->sh.nb_refs[L0]) {
1267 ref_idx[0] = ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L0]);
1268 current_mv.ref_idx[0] = ref_idx[0];
1270 current_mv.pred_flag[0] = 1;
1271 ff_hevc_hls_mvd_coding(s, x0, y0, 0);
1272 mvp_flag[0] = ff_hevc_mvp_lx_flag_decode(s);
1273 ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size,
1274 partIdx, merge_idx, ¤t_mv,
1276 current_mv.mv[0].x += lc->pu.mvd.x;
1277 current_mv.mv[0].y += lc->pu.mvd.y;
1280 if (inter_pred_idc != PRED_L0) {
1281 if (s->sh.nb_refs[L1]) {
1282 ref_idx[1] = ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L1]);
1283 current_mv.ref_idx[1] = ref_idx[1];
1286 if (s->sh.mvd_l1_zero_flag == 1 && inter_pred_idc == PRED_BI) {
1290 ff_hevc_hls_mvd_coding(s, x0, y0, 1);
1293 current_mv.pred_flag[1] = 1;
1294 mvp_flag[1] = ff_hevc_mvp_lx_flag_decode(s);
1295 ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size,
1296 partIdx, merge_idx, ¤t_mv,
1298 current_mv.mv[1].x += lc->pu.mvd.x;
1299 current_mv.mv[1].y += lc->pu.mvd.y;
1302 x_pu = x0 >> s->sps->log2_min_pu_size;
1303 y_pu = y0 >> s->sps->log2_min_pu_size;
1305 for (i = 0; i < nPbW >> s->sps->log2_min_pu_size; i++)
1306 for(j = 0; j < nPbH >> s->sps->log2_min_pu_size; j++)
1307 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv;
1311 if (current_mv.pred_flag[0]) {
1312 ref0 = refPicList[0].ref[current_mv.ref_idx[0]];
1315 hevc_await_progress(s, ref0, ¤t_mv.mv[0], y0, nPbH);
1317 if (current_mv.pred_flag[1]) {
1318 ref1 = refPicList[1].ref[current_mv.ref_idx[1]];
1321 hevc_await_progress(s, ref1, ¤t_mv.mv[1], y0, nPbH);
1324 if (current_mv.pred_flag[0] && !current_mv.pred_flag[1]) {
1325 DECLARE_ALIGNED(16, int16_t, tmp[MAX_PB_SIZE * MAX_PB_SIZE]);
1326 DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]);
1328 luma_mc(s, tmp, tmpstride, ref0->frame,
1329 ¤t_mv.mv[0], x0, y0, nPbW, nPbH);
1331 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1332 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1333 s->hevcdsp.weighted_pred(s->sh.luma_log2_weight_denom,
1334 s->sh.luma_weight_l0[current_mv.ref_idx[0]],
1335 s->sh.luma_offset_l0[current_mv.ref_idx[0]],
1336 dst0, s->frame->linesize[0], tmp,
1337 tmpstride, nPbW, nPbH);
1339 s->hevcdsp.put_unweighted_pred(dst0, s->frame->linesize[0], tmp, tmpstride, nPbW, nPbH);
1341 chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame,
1342 ¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2);
1344 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1345 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1346 s->hevcdsp.weighted_pred(s->sh.chroma_log2_weight_denom,
1347 s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0],
1348 s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0],
1349 dst1, s->frame->linesize[1], tmp, tmpstride,
1350 nPbW / 2, nPbH / 2);
1351 s->hevcdsp.weighted_pred(s->sh.chroma_log2_weight_denom,
1352 s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1],
1353 s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1],
1354 dst2, s->frame->linesize[2], tmp2, tmpstride,
1355 nPbW / 2, nPbH / 2);
1357 s->hevcdsp.put_unweighted_pred(dst1, s->frame->linesize[1], tmp, tmpstride, nPbW/2, nPbH/2);
1358 s->hevcdsp.put_unweighted_pred(dst2, s->frame->linesize[2], tmp2, tmpstride, nPbW/2, nPbH/2);
1360 } else if (!current_mv.pred_flag[0] && current_mv.pred_flag[1]) {
1361 DECLARE_ALIGNED(16, int16_t, tmp [MAX_PB_SIZE * MAX_PB_SIZE]);
1362 DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]);
1367 luma_mc(s, tmp, tmpstride, ref1->frame,
1368 ¤t_mv.mv[1], x0, y0, nPbW, nPbH);
1370 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1371 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1372 s->hevcdsp.weighted_pred(s->sh.luma_log2_weight_denom,
1373 s->sh.luma_weight_l1[current_mv.ref_idx[1]],
1374 s->sh.luma_offset_l1[current_mv.ref_idx[1]],
1375 dst0, s->frame->linesize[0], tmp, tmpstride,
1378 s->hevcdsp.put_unweighted_pred(dst0, s->frame->linesize[0], tmp, tmpstride, nPbW, nPbH);
1381 chroma_mc(s, tmp, tmp2, tmpstride, ref1->frame,
1382 ¤t_mv.mv[1], x0/2, y0/2, nPbW/2, nPbH/2);
1384 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1385 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1386 s->hevcdsp.weighted_pred(s->sh.chroma_log2_weight_denom,
1387 s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0],
1388 s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0],
1389 dst1, s->frame->linesize[1], tmp, tmpstride, nPbW/2, nPbH/2);
1390 s->hevcdsp.weighted_pred(s->sh.chroma_log2_weight_denom,
1391 s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1],
1392 s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1],
1393 dst2, s->frame->linesize[2], tmp2, tmpstride, nPbW/2, nPbH/2);
1395 s->hevcdsp.put_unweighted_pred(dst1, s->frame->linesize[1], tmp, tmpstride, nPbW/2, nPbH/2);
1396 s->hevcdsp.put_unweighted_pred(dst2, s->frame->linesize[2], tmp2, tmpstride, nPbW/2, nPbH/2);
1398 } else if (current_mv.pred_flag[0] && current_mv.pred_flag[1]) {
1399 DECLARE_ALIGNED(16, int16_t, tmp [MAX_PB_SIZE * MAX_PB_SIZE]);
1400 DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]);
1401 DECLARE_ALIGNED(16, int16_t, tmp3[MAX_PB_SIZE * MAX_PB_SIZE]);
1402 DECLARE_ALIGNED(16, int16_t, tmp4[MAX_PB_SIZE * MAX_PB_SIZE]);
1403 HEVCFrame *ref0 = refPicList[0].ref[current_mv.ref_idx[0]];
1404 HEVCFrame *ref1 = refPicList[1].ref[current_mv.ref_idx[1]];
1409 luma_mc(s, tmp, tmpstride, ref0->frame,
1410 ¤t_mv.mv[0], x0, y0, nPbW, nPbH);
1411 luma_mc(s, tmp2, tmpstride, ref1->frame,
1412 ¤t_mv.mv[1], x0, y0, nPbW, nPbH);
1414 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1415 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1416 s->hevcdsp.weighted_pred_avg(s->sh.luma_log2_weight_denom,
1417 s->sh.luma_weight_l0[current_mv.ref_idx[0]],
1418 s->sh.luma_weight_l1[current_mv.ref_idx[1]],
1419 s->sh.luma_offset_l0[current_mv.ref_idx[0]],
1420 s->sh.luma_offset_l1[current_mv.ref_idx[1]],
1421 dst0, s->frame->linesize[0],
1422 tmp, tmp2, tmpstride, nPbW, nPbH);
1424 s->hevcdsp.put_weighted_pred_avg(dst0, s->frame->linesize[0],
1425 tmp, tmp2, tmpstride, nPbW, nPbH);
1428 chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame,
1429 ¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2);
1430 chroma_mc(s, tmp3, tmp4, tmpstride, ref1->frame,
1431 ¤t_mv.mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2);
1433 if ((s->sh.slice_type == P_SLICE && s->pps->weighted_pred_flag) ||
1434 (s->sh.slice_type == B_SLICE && s->pps->weighted_bipred_flag)) {
1435 s->hevcdsp.weighted_pred_avg(s->sh.chroma_log2_weight_denom,
1436 s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0],
1437 s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0],
1438 s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0],
1439 s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0],
1440 dst1, s->frame->linesize[1], tmp, tmp3,
1441 tmpstride, nPbW / 2, nPbH / 2);
1442 s->hevcdsp.weighted_pred_avg(s->sh.chroma_log2_weight_denom,
1443 s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1],
1444 s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1],
1445 s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1],
1446 s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1],
1447 dst2, s->frame->linesize[2], tmp2, tmp4,
1448 tmpstride, nPbW / 2, nPbH / 2);
1450 s->hevcdsp.put_weighted_pred_avg(dst1, s->frame->linesize[1], tmp, tmp3, tmpstride, nPbW/2, nPbH/2);
1451 s->hevcdsp.put_weighted_pred_avg(dst2, s->frame->linesize[2], tmp2, tmp4, tmpstride, nPbW/2, nPbH/2);
1459 static int luma_intra_pred_mode(HEVCContext *s, int x0, int y0, int pu_size,
1460 int prev_intra_luma_pred_flag)
1462 HEVCLocalContext *lc = s->HEVClc;
1463 int x_pu = x0 >> s->sps->log2_min_pu_size;
1464 int y_pu = y0 >> s->sps->log2_min_pu_size;
1465 int min_pu_width = s->sps->min_pu_width;
1466 int size_in_pus = pu_size >> s->sps->log2_min_pu_size;
1467 int x0b = x0 & ((1 << s->sps->log2_ctb_size) - 1);
1468 int y0b = y0 & ((1 << s->sps->log2_ctb_size) - 1);
1470 int cand_up = (lc->ctb_up_flag || y0b) ?
1471 s->tab_ipm[(y_pu - 1) * min_pu_width + x_pu] : INTRA_DC;
1472 int cand_left = (lc->ctb_left_flag || x0b) ?
1473 s->tab_ipm[y_pu * min_pu_width + x_pu - 1] : INTRA_DC;
1475 int y_ctb = (y0 >> (s->sps->log2_ctb_size)) << (s->sps->log2_ctb_size);
1477 MvField *tab_mvf = s->ref->tab_mvf;
1478 int intra_pred_mode;
1482 // intra_pred_mode prediction does not cross vertical CTB boundaries
1483 if ((y0 - 1) < y_ctb)
1486 if (cand_left == cand_up) {
1487 if (cand_left < 2) {
1488 candidate[0] = INTRA_PLANAR;
1489 candidate[1] = INTRA_DC;
1490 candidate[2] = INTRA_ANGULAR_26;
1492 candidate[0] = cand_left;
1493 candidate[1] = 2 + ((cand_left - 2 - 1 + 32) & 31);
1494 candidate[2] = 2 + ((cand_left - 2 + 1) & 31);
1497 candidate[0] = cand_left;
1498 candidate[1] = cand_up;
1499 if (candidate[0] != INTRA_PLANAR && candidate[1] != INTRA_PLANAR) {
1500 candidate[2] = INTRA_PLANAR;
1501 } else if (candidate[0] != INTRA_DC && candidate[1] != INTRA_DC) {
1502 candidate[2] = INTRA_DC;
1504 candidate[2] = INTRA_ANGULAR_26;
1508 if (prev_intra_luma_pred_flag) {
1509 intra_pred_mode = candidate[lc->pu.mpm_idx];
1511 if (candidate[0] > candidate[1])
1512 FFSWAP(uint8_t, candidate[0], candidate[1]);
1513 if (candidate[0] > candidate[2])
1514 FFSWAP(uint8_t, candidate[0], candidate[2]);
1515 if (candidate[1] > candidate[2])
1516 FFSWAP(uint8_t, candidate[1], candidate[2]);
1518 intra_pred_mode = lc->pu.rem_intra_luma_pred_mode;
1519 for (i = 0; i < 3; i++)
1520 if (intra_pred_mode >= candidate[i])
1524 /* write the intra prediction units into the mv array */
1527 for (i = 0; i < size_in_pus; i++) {
1528 memset(&s->tab_ipm[(y_pu + i) * min_pu_width + x_pu],
1529 intra_pred_mode, size_in_pus);
1531 for (j = 0; j < size_in_pus; j++) {
1532 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].is_intra = 1;
1533 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[0] = 0;
1534 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[1] = 0;
1535 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[0] = 0;
1536 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[1] = 0;
1537 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].x = 0;
1538 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].y = 0;
1539 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].x = 0;
1540 tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].y = 0;
1544 return intra_pred_mode;
1547 static av_always_inline void set_ct_depth(HEVCContext *s, int x0, int y0,
1548 int log2_cb_size, int ct_depth)
1550 int length = (1 << log2_cb_size) >> s->sps->log2_min_cb_size;
1551 int x_cb = x0 >> s->sps->log2_min_cb_size;
1552 int y_cb = y0 >> s->sps->log2_min_cb_size;
1555 for (y = 0; y < length; y++)
1556 memset(&s->tab_ct_depth[(y_cb + y) * s->sps->min_cb_width + x_cb],
1560 static void intra_prediction_unit(HEVCContext *s, int x0, int y0,
1563 HEVCLocalContext *lc = s->HEVClc;
1564 static const uint8_t intra_chroma_table[4] = { 0, 26, 10, 1 };
1565 uint8_t prev_intra_luma_pred_flag[4];
1566 int split = lc->cu.part_mode == PART_NxN;
1567 int pb_size = (1 << log2_cb_size) >> split;
1568 int side = split + 1;
1572 for (i = 0; i < side; i++)
1573 for (j = 0; j < side; j++)
1574 prev_intra_luma_pred_flag[2 * i + j] = ff_hevc_prev_intra_luma_pred_flag_decode(s);
1576 for (i = 0; i < side; i++) {
1577 for (j = 0; j < side; j++) {
1578 if (prev_intra_luma_pred_flag[2 * i + j])
1579 lc->pu.mpm_idx = ff_hevc_mpm_idx_decode(s);
1581 lc->pu.rem_intra_luma_pred_mode = ff_hevc_rem_intra_luma_pred_mode_decode(s);
1583 lc->pu.intra_pred_mode[2 * i + j] =
1584 luma_intra_pred_mode(s, x0 + pb_size * j, y0 + pb_size * i, pb_size,
1585 prev_intra_luma_pred_flag[2 * i + j]);
1589 chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s);
1590 if (chroma_mode != 4) {
1591 if (lc->pu.intra_pred_mode[0] == intra_chroma_table[chroma_mode])
1592 lc->pu.intra_pred_mode_c = 34;
1594 lc->pu.intra_pred_mode_c = intra_chroma_table[chroma_mode];
1596 lc->pu.intra_pred_mode_c = lc->pu.intra_pred_mode[0];
1600 static void intra_prediction_unit_default_value(HEVCContext *s,
1604 HEVCLocalContext *lc = s->HEVClc;
1605 int pb_size = 1 << log2_cb_size;
1606 int size_in_pus = pb_size >> s->sps->log2_min_pu_size;
1607 int min_pu_width = s->sps->min_pu_width;
1608 MvField *tab_mvf = s->ref->tab_mvf;
1609 int x_pu = x0 >> s->sps->log2_min_pu_size;
1610 int y_pu = y0 >> s->sps->log2_min_pu_size;
1613 if (size_in_pus == 0)
1615 for (j = 0; j < size_in_pus; j++) {
1616 memset(&s->tab_ipm[(y_pu + j) * min_pu_width + x_pu], INTRA_DC, size_in_pus);
1617 for (k = 0; k < size_in_pus; k++)
1618 tab_mvf[(y_pu + j) * min_pu_width + x_pu + k].is_intra = lc->cu.pred_mode == MODE_INTRA;
1622 static int hls_coding_unit(HEVCContext *s, int x0, int y0, int log2_cb_size)
1624 int cb_size = 1 << log2_cb_size;
1625 HEVCLocalContext *lc = s->HEVClc;
1626 int log2_min_cb_size = s->sps->log2_min_cb_size;
1627 int length = cb_size >> log2_min_cb_size;
1628 int min_cb_width = s->sps->min_cb_width;
1629 int x_cb = x0 >> log2_min_cb_size;
1630 int y_cb = y0 >> log2_min_cb_size;
1635 lc->cu.rqt_root_cbf = 1;
1636 lc->cu.pred_mode = MODE_INTRA;
1637 lc->cu.part_mode = PART_2Nx2N;
1638 lc->cu.intra_split_flag = 0;
1639 lc->cu.pcm_flag = 0;
1641 SAMPLE_CTB(s->skip_flag, x_cb, y_cb) = 0;
1642 for (x = 0; x < 4; x++)
1643 lc->pu.intra_pred_mode[x] = 1;
1644 if (s->pps->transquant_bypass_enable_flag) {
1645 lc->cu.cu_transquant_bypass_flag = ff_hevc_cu_transquant_bypass_flag_decode(s);
1646 if (lc->cu.cu_transquant_bypass_flag)
1647 set_deblocking_bypass(s, x0, y0, log2_cb_size);
1649 lc->cu.cu_transquant_bypass_flag = 0;
1651 if (s->sh.slice_type != I_SLICE) {
1652 uint8_t skip_flag = ff_hevc_skip_flag_decode(s, x0, y0, x_cb, y_cb);
1654 lc->cu.pred_mode = MODE_SKIP;
1655 x = y_cb * min_cb_width + x_cb;
1656 for (y = 0; y < length; y++) {
1657 memset(&s->skip_flag[x], skip_flag, length);
1660 lc->cu.pred_mode = skip_flag ? MODE_SKIP : MODE_INTER;
1663 if (SAMPLE_CTB(s->skip_flag, x_cb, y_cb)) {
1664 hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0);
1665 intra_prediction_unit_default_value(s, x0, y0, log2_cb_size);
1667 if (!s->sh.disable_deblocking_filter_flag)
1668 ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size,
1669 lc->slice_or_tiles_up_boundary,
1670 lc->slice_or_tiles_left_boundary);
1672 if (s->sh.slice_type != I_SLICE)
1673 lc->cu.pred_mode = ff_hevc_pred_mode_decode(s);
1674 if (lc->cu.pred_mode != MODE_INTRA ||
1675 log2_cb_size == s->sps->log2_min_cb_size) {
1676 lc->cu.part_mode = ff_hevc_part_mode_decode(s, log2_cb_size);
1677 lc->cu.intra_split_flag = lc->cu.part_mode == PART_NxN &&
1678 lc->cu.pred_mode == MODE_INTRA;
1681 if (lc->cu.pred_mode == MODE_INTRA) {
1682 if (lc->cu.part_mode == PART_2Nx2N && s->sps->pcm_enabled_flag &&
1683 log2_cb_size >= s->sps->pcm.log2_min_pcm_cb_size &&
1684 log2_cb_size <= s->sps->pcm.log2_max_pcm_cb_size) {
1685 lc->cu.pcm_flag = ff_hevc_pcm_flag_decode(s);
1687 if (lc->cu.pcm_flag) {
1688 intra_prediction_unit_default_value(s, x0, y0, log2_cb_size);
1689 ret = hls_pcm_sample(s, x0, y0, log2_cb_size);
1690 if (s->sps->pcm.loop_filter_disable_flag)
1691 set_deblocking_bypass(s, x0, y0, log2_cb_size);
1696 intra_prediction_unit(s, x0, y0, log2_cb_size);
1699 intra_prediction_unit_default_value(s, x0, y0, log2_cb_size);
1700 switch (lc->cu.part_mode) {
1702 hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0);
1705 hls_prediction_unit(s, x0, y0, cb_size, cb_size / 2, log2_cb_size, 0);
1706 hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size, cb_size / 2, log2_cb_size, 1);
1709 hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size, log2_cb_size, 0);
1710 hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size, log2_cb_size, 1);
1713 hls_prediction_unit(s, x0, y0, cb_size, cb_size / 4, log2_cb_size, 0);
1714 hls_prediction_unit(s, x0, y0 + cb_size / 4, cb_size, cb_size * 3 / 4, log2_cb_size, 1);
1717 hls_prediction_unit(s, x0, y0, cb_size, cb_size * 3 / 4, log2_cb_size, 0);
1718 hls_prediction_unit(s, x0, y0 + cb_size * 3 / 4, cb_size, cb_size / 4, log2_cb_size, 1);
1721 hls_prediction_unit(s, x0, y0, cb_size / 4, cb_size, log2_cb_size, 0);
1722 hls_prediction_unit(s, x0 + cb_size / 4, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 1);
1725 hls_prediction_unit(s, x0, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 0);
1726 hls_prediction_unit(s, x0 + cb_size * 3 / 4, y0, cb_size / 4, cb_size, log2_cb_size, 1);
1729 hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size / 2, log2_cb_size, 0);
1730 hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size / 2, log2_cb_size, 1);
1731 hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 2);
1732 hls_prediction_unit(s, x0 + cb_size / 2, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 3);
1737 if (!lc->cu.pcm_flag) {
1738 if (lc->cu.pred_mode != MODE_INTRA &&
1739 !(lc->cu.part_mode == PART_2Nx2N && lc->pu.merge_flag)) {
1740 lc->cu.rqt_root_cbf = ff_hevc_no_residual_syntax_flag_decode(s);
1742 if (lc->cu.rqt_root_cbf) {
1743 lc->cu.max_trafo_depth = lc->cu.pred_mode == MODE_INTRA ?
1744 s->sps->max_transform_hierarchy_depth_intra + lc->cu.intra_split_flag :
1745 s->sps->max_transform_hierarchy_depth_inter;
1746 ret = hls_transform_tree(s, x0, y0, x0, y0, x0, y0,
1748 log2_cb_size, 0, 0);
1752 if (!s->sh.disable_deblocking_filter_flag)
1753 ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size,
1754 lc->slice_or_tiles_up_boundary,
1755 lc->slice_or_tiles_left_boundary);
1760 if (s->pps->cu_qp_delta_enabled_flag && lc->tu.is_cu_qp_delta_coded == 0)
1761 ff_hevc_set_qPy(s, x0, y0, x0, y0, log2_cb_size);
1763 x = y_cb * min_cb_width + x_cb;
1764 for (y = 0; y < length; y++) {
1765 memset(&s->qp_y_tab[x], lc->qp_y, length);
1769 set_ct_depth(s, x0, y0, log2_cb_size, lc->ct.depth);
1774 static int hls_coding_quadtree(HEVCContext *s, int x0, int y0,
1775 int log2_cb_size, int cb_depth)
1777 HEVCLocalContext *lc = s->HEVClc;
1778 const int cb_size = 1 << log2_cb_size;
1781 lc->ct.depth = cb_depth;
1782 if (x0 + cb_size <= s->sps->width &&
1783 y0 + cb_size <= s->sps->height &&
1784 log2_cb_size > s->sps->log2_min_cb_size) {
1785 SAMPLE(s->split_cu_flag, x0, y0) =
1786 ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0);
1788 SAMPLE(s->split_cu_flag, x0, y0) =
1789 (log2_cb_size > s->sps->log2_min_cb_size);
1791 if (s->pps->cu_qp_delta_enabled_flag &&
1792 log2_cb_size >= s->sps->log2_ctb_size - s->pps->diff_cu_qp_delta_depth) {
1793 lc->tu.is_cu_qp_delta_coded = 0;
1794 lc->tu.cu_qp_delta = 0;
1797 if (SAMPLE(s->split_cu_flag, x0, y0)) {
1798 const int cb_size_split = cb_size >> 1;
1799 const int x1 = x0 + cb_size_split;
1800 const int y1 = y0 + cb_size_split;
1804 more_data = hls_coding_quadtree(s, x0, y0, log2_cb_size - 1, cb_depth + 1);
1808 if (more_data && x1 < s->sps->width)
1809 more_data = hls_coding_quadtree(s, x1, y0, log2_cb_size - 1, cb_depth + 1);
1810 if (more_data && y1 < s->sps->height)
1811 more_data = hls_coding_quadtree(s, x0, y1, log2_cb_size - 1, cb_depth + 1);
1812 if (more_data && x1 < s->sps->width &&
1813 y1 < s->sps->height) {
1814 return hls_coding_quadtree(s, x1, y1, log2_cb_size - 1, cb_depth + 1);
1817 return ((x1 + cb_size_split) < s->sps->width ||
1818 (y1 + cb_size_split) < s->sps->height);
1822 ret = hls_coding_unit(s, x0, y0, log2_cb_size);
1825 if ((!((x0 + cb_size) %
1826 (1 << (s->sps->log2_ctb_size))) ||
1827 (x0 + cb_size >= s->sps->width)) &&
1829 (1 << (s->sps->log2_ctb_size))) ||
1830 (y0 + cb_size >= s->sps->height))) {
1831 int end_of_slice_flag = ff_hevc_end_of_slice_flag_decode(s);
1832 return !end_of_slice_flag;
1841 static void hls_decode_neighbour(HEVCContext *s, int x_ctb, int y_ctb,
1844 HEVCLocalContext *lc = s->HEVClc;
1845 int ctb_size = 1 << s->sps->log2_ctb_size;
1846 int ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts];
1847 int ctb_addr_in_slice = ctb_addr_rs - s->sh.slice_addr;
1849 int tile_left_boundary, tile_up_boundary;
1850 int slice_left_boundary, slice_up_boundary;
1852 s->tab_slice_address[ctb_addr_rs] = s->sh.slice_addr;
1854 if (s->pps->entropy_coding_sync_enabled_flag) {
1855 if (x_ctb == 0 && (y_ctb & (ctb_size - 1)) == 0)
1856 lc->first_qp_group = 1;
1857 lc->end_of_tiles_x = s->sps->width;
1858 } else if (s->pps->tiles_enabled_flag) {
1859 if (ctb_addr_ts && s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[ctb_addr_ts - 1]) {
1860 int idxX = s->pps->col_idxX[x_ctb >> s->sps->log2_ctb_size];
1861 lc->start_of_tiles_x = x_ctb;
1862 lc->end_of_tiles_x = x_ctb + (s->pps->column_width[idxX] << s->sps->log2_ctb_size);
1863 lc->first_qp_group = 1;
1866 lc->end_of_tiles_x = s->sps->width;
1869 lc->end_of_tiles_y = FFMIN(y_ctb + ctb_size, s->sps->height);
1871 if (s->pps->tiles_enabled_flag) {
1872 tile_left_boundary = x_ctb > 0 &&
1873 s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs-1]];
1874 slice_left_boundary = x_ctb > 0 &&
1875 s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - 1];
1876 tile_up_boundary = y_ctb > 0 &&
1877 s->pps->tile_id[ctb_addr_ts] != s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs - s->sps->ctb_width]];
1878 slice_up_boundary = y_ctb > 0 &&
1879 s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - s->sps->ctb_width];
1881 tile_left_boundary =
1882 tile_up_boundary = 0;
1883 slice_left_boundary = ctb_addr_in_slice <= 0;
1884 slice_up_boundary = ctb_addr_in_slice < s->sps->ctb_width;
1886 lc->slice_or_tiles_left_boundary = slice_left_boundary + (tile_left_boundary << 1);
1887 lc->slice_or_tiles_up_boundary = slice_up_boundary + (tile_up_boundary << 1);
1888 lc->ctb_left_flag = ((x_ctb > 0) && (ctb_addr_in_slice > 0) && !tile_left_boundary);
1889 lc->ctb_up_flag = ((y_ctb > 0) && (ctb_addr_in_slice >= s->sps->ctb_width) && !tile_up_boundary);
1890 lc->ctb_up_right_flag = ((y_ctb > 0) && (ctb_addr_in_slice+1 >= s->sps->ctb_width) && (s->pps->tile_id[ctb_addr_ts] == s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs+1 - s->sps->ctb_width]]));
1891 lc->ctb_up_left_flag = ((x_ctb > 0) && (y_ctb > 0) && (ctb_addr_in_slice-1 >= s->sps->ctb_width) && (s->pps->tile_id[ctb_addr_ts] == s->pps->tile_id[s->pps->ctb_addr_rs_to_ts[ctb_addr_rs-1 - s->sps->ctb_width]]));
1894 static int hls_decode_entry(AVCodecContext *avctxt, void *isFilterThread)
1896 HEVCContext *s = avctxt->priv_data;
1897 int ctb_size = 1 << s->sps->log2_ctb_size;
1901 int ctb_addr_ts = s->pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs];
1903 if (!ctb_addr_ts && s->sh.dependent_slice_segment_flag) {
1904 av_log(s->avctx, AV_LOG_ERROR, "Impossible initial tile.\n");
1905 return AVERROR_INVALIDDATA;
1908 while (more_data && ctb_addr_ts < s->sps->ctb_size) {
1909 int ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts];
1911 x_ctb = (ctb_addr_rs % ((s->sps->width + ctb_size - 1) >> s->sps->log2_ctb_size)) << s->sps->log2_ctb_size;
1912 y_ctb = (ctb_addr_rs / ((s->sps->width + ctb_size - 1) >> s->sps->log2_ctb_size)) << s->sps->log2_ctb_size;
1913 hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts);
1915 ff_hevc_cabac_init(s, ctb_addr_ts);
1917 hls_sao_param(s, x_ctb >> s->sps->log2_ctb_size, y_ctb >> s->sps->log2_ctb_size);
1919 s->deblock[ctb_addr_rs].beta_offset = s->sh.beta_offset;
1920 s->deblock[ctb_addr_rs].tc_offset = s->sh.tc_offset;
1921 s->filter_slice_edges[ctb_addr_rs] = s->sh.slice_loop_filter_across_slices_enabled_flag;
1923 more_data = hls_coding_quadtree(s, x_ctb, y_ctb, s->sps->log2_ctb_size, 0);
1928 ff_hevc_save_states(s, ctb_addr_ts);
1929 ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size);
1932 if (x_ctb + ctb_size >= s->sps->width &&
1933 y_ctb + ctb_size >= s->sps->height)
1934 ff_hevc_hls_filter(s, x_ctb, y_ctb);
1939 static int hls_slice_data(HEVCContext *s)
1947 s->avctx->execute(s->avctx, hls_decode_entry, arg, ret , 1, sizeof(int));
1950 static int hls_decode_entry_wpp(AVCodecContext *avctxt, void *input_ctb_row, int job, int self_id)
1952 HEVCContext *s1 = avctxt->priv_data, *s;
1953 HEVCLocalContext *lc;
1954 int ctb_size = 1<< s1->sps->log2_ctb_size;
1956 int *ctb_row_p = input_ctb_row;
1957 int ctb_row = ctb_row_p[job];
1958 int ctb_addr_rs = s1->sh.slice_ctb_addr_rs + ctb_row * ((s1->sps->width + ctb_size - 1) >> s1->sps->log2_ctb_size);
1959 int ctb_addr_ts = s1->pps->ctb_addr_rs_to_ts[ctb_addr_rs];
1960 int thread = ctb_row % s1->threads_number;
1963 s = s1->sList[self_id];
1967 ret = init_get_bits8(&lc->gb, s->data + s->sh.offset[ctb_row - 1], s->sh.size[ctb_row - 1]);
1971 ff_init_cabac_decoder(&lc->cc, s->data + s->sh.offset[(ctb_row)-1], s->sh.size[ctb_row - 1]);
1974 while(more_data && ctb_addr_ts < s->sps->ctb_size) {
1975 int x_ctb = (ctb_addr_rs % s->sps->ctb_width) << s->sps->log2_ctb_size;
1976 int y_ctb = (ctb_addr_rs / s->sps->ctb_width) << s->sps->log2_ctb_size;
1978 hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts);
1980 ff_thread_await_progress2(s->avctx, ctb_row, thread, SHIFT_CTB_WPP);
1982 if (avpriv_atomic_int_get(&s1->wpp_err)){
1983 ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP);
1987 ff_hevc_cabac_init(s, ctb_addr_ts);
1988 hls_sao_param(s, x_ctb >> s->sps->log2_ctb_size, y_ctb >> s->sps->log2_ctb_size);
1989 more_data = hls_coding_quadtree(s, x_ctb, y_ctb, s->sps->log2_ctb_size, 0);
1996 ff_hevc_save_states(s, ctb_addr_ts);
1997 ff_thread_report_progress2(s->avctx, ctb_row, thread, 1);
1998 ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size);
2000 if (!more_data && (x_ctb+ctb_size) < s->sps->width && ctb_row != s->sh.num_entry_point_offsets) {
2001 avpriv_atomic_int_set(&s1->wpp_err, 1);
2002 ff_thread_report_progress2(s->avctx, ctb_row ,thread, SHIFT_CTB_WPP);
2006 if ((x_ctb+ctb_size) >= s->sps->width && (y_ctb+ctb_size) >= s->sps->height ) {
2007 ff_hevc_hls_filter(s, x_ctb, y_ctb);
2008 ff_thread_report_progress2(s->avctx, ctb_row , thread, SHIFT_CTB_WPP);
2011 ctb_addr_rs = s->pps->ctb_addr_ts_to_rs[ctb_addr_ts];
2014 if(x_ctb >= s->sps->width) {
2018 ff_thread_report_progress2(s->avctx, ctb_row ,thread, SHIFT_CTB_WPP);
2023 static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
2025 HEVCLocalContext *lc = s->HEVClc;
2026 int *ret = av_malloc((s->sh.num_entry_point_offsets + 1) * sizeof(int));
2027 int *arg = av_malloc((s->sh.num_entry_point_offsets + 1) * sizeof(int));
2029 int startheader, cmpt = 0;
2034 ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
2037 for (i = 1; i < s->threads_number; i++) {
2038 s->sList[i] = av_malloc(sizeof(HEVCContext));
2039 memcpy(s->sList[i], s, sizeof(HEVCContext));
2040 s->HEVClcList[i] = av_malloc(sizeof(HEVCLocalContext));
2041 s->sList[i]->HEVClc = s->HEVClcList[i];
2045 offset = (lc->gb.index >> 3);
2047 for (j = 0, cmpt = 0, startheader = offset + s->sh.entry_point_offset[0]; j < s->skipped_bytes; j++) {
2048 if (s->skipped_bytes_pos[j] >= offset && s->skipped_bytes_pos[j] < startheader) {
2054 for (i = 1; i < s->sh.num_entry_point_offsets; i++) {
2055 offset += (s->sh.entry_point_offset[i - 1] - cmpt);
2056 for (j = 0, cmpt = 0, startheader = offset
2057 + s->sh.entry_point_offset[i]; j < s->skipped_bytes; j++) {
2058 if (s->skipped_bytes_pos[j] >= offset && s->skipped_bytes_pos[j] < startheader) {
2063 s->sh.size[i - 1] = s->sh.entry_point_offset[i] - cmpt;
2064 s->sh.offset[i - 1] = offset;
2067 if (s->sh.num_entry_point_offsets != 0) {
2068 offset += s->sh.entry_point_offset[s->sh.num_entry_point_offsets - 1] - cmpt;
2069 s->sh.size[s->sh.num_entry_point_offsets - 1] = length - offset;
2070 s->sh.offset[s->sh.num_entry_point_offsets - 1] = offset;
2075 for (i = 1; i < s->threads_number; i++) {
2076 s->sList[i]->HEVClc->first_qp_group = 1;
2077 s->sList[i]->HEVClc->qp_y = s->sList[0]->HEVClc->qp_y;
2078 memcpy(s->sList[i], s, sizeof(HEVCContext));
2079 s->sList[i]->HEVClc = s->HEVClcList[i];
2082 avpriv_atomic_int_set(&s->wpp_err, 0);
2083 ff_reset_entries(s->avctx);
2085 for (i = 0; i <= s->sh.num_entry_point_offsets; i++) {
2090 if (s->pps->entropy_coding_sync_enabled_flag)
2091 s->avctx->execute2(s->avctx, (void *) hls_decode_entry_wpp, arg, ret, s->sh.num_entry_point_offsets + 1);
2093 for (i = 0; i <= s->sh.num_entry_point_offsets; i++)
2101 * @return AVERROR_INVALIDDATA if the packet is not a valid NAL unit,
2102 * 0 if the unit should be skipped, 1 otherwise
2104 static int hls_nal_unit(HEVCContext *s)
2106 GetBitContext *gb = &s->HEVClc->gb;
2109 if (get_bits1(gb) != 0)
2110 return AVERROR_INVALIDDATA;
2112 s->nal_unit_type = get_bits(gb, 6);
2114 nuh_layer_id = get_bits(gb, 6);
2115 s->temporal_id = get_bits(gb, 3) - 1;
2116 if (s->temporal_id < 0)
2117 return AVERROR_INVALIDDATA;
2119 av_log(s->avctx, AV_LOG_DEBUG,
2120 "nal_unit_type: %d, nuh_layer_id: %dtemporal_id: %d\n",
2121 s->nal_unit_type, nuh_layer_id, s->temporal_id);
2123 return nuh_layer_id == 0;
2126 static void restore_tqb_pixels(HEVCContext *s)
2128 int min_pu_size = 1 << s->sps->log2_min_pu_size;
2131 for (c_idx = 0; c_idx < 3; c_idx++) {
2132 ptrdiff_t stride = s->frame->linesize[c_idx];
2133 int hshift = s->sps->hshift[c_idx];
2134 int vshift = s->sps->vshift[c_idx];
2135 for (y = 0; y < s->sps->min_pu_height; y++) {
2136 for (x = 0; x < s->sps->min_pu_width; x++) {
2137 if (s->is_pcm[y * s->sps->min_pu_width + x]) {
2139 int len = min_pu_size >> hshift;
2140 uint8_t *src = &s->frame->data[c_idx][((y << s->sps->log2_min_pu_size) >> vshift) * stride + (((x << s->sps->log2_min_pu_size) >> hshift) << s->sps->pixel_shift)];
2141 uint8_t *dst = &s->sao_frame->data[c_idx][((y << s->sps->log2_min_pu_size) >> vshift) * stride + (((x << s->sps->log2_min_pu_size) >> hshift) << s->sps->pixel_shift)];
2142 for (n = 0; n < (min_pu_size >> vshift); n++) {
2143 memcpy(dst, src, len);
2153 static int set_side_data(HEVCContext *s)
2155 AVFrame *out = s->ref->frame;
2157 if (s->sei_frame_packing_present &&
2158 s->frame_packing_arrangement_type >= 3 &&
2159 s->frame_packing_arrangement_type <= 5 &&
2160 s->content_interpretation_type > 0 &&
2161 s->content_interpretation_type < 3) {
2162 AVStereo3D *stereo = av_stereo3d_create_side_data(out);
2164 return AVERROR(ENOMEM);
2166 switch (s->frame_packing_arrangement_type) {
2168 if (s->quincunx_subsampling)
2169 stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
2171 stereo->type = AV_STEREO3D_SIDEBYSIDE;
2174 stereo->type = AV_STEREO3D_TOPBOTTOM;
2177 stereo->type = AV_STEREO3D_FRAMESEQUENCE;
2181 if (s->content_interpretation_type == 2)
2182 stereo->flags = AV_STEREO3D_FLAG_INVERT;
2188 static int hevc_frame_start(HEVCContext *s)
2190 HEVCLocalContext *lc = s->HEVClc;
2193 memset(s->horizontal_bs, 0, 2 * s->bs_width * (s->bs_height + 1));
2194 memset(s->vertical_bs, 0, 2 * s->bs_width * (s->bs_height + 1));
2195 memset(s->cbf_luma, 0, s->sps->min_tb_width * s->sps->min_tb_height);
2196 memset(s->is_pcm, 0, s->sps->min_pu_width * s->sps->min_pu_height);
2198 lc->start_of_tiles_x = 0;
2201 if (s->pps->tiles_enabled_flag)
2202 lc->end_of_tiles_x = s->pps->column_width[0] << s->sps->log2_ctb_size;
2204 ret = ff_hevc_set_new_ref(s, s->sps->sao_enabled ? &s->sao_frame : &s->frame,
2209 ret = ff_hevc_frame_rps(s);
2211 av_log(s->avctx, AV_LOG_ERROR, "Error constructing the frame RPS.\n");
2215 ret = set_side_data(s);
2219 av_frame_unref(s->output_frame);
2220 ret = ff_hevc_output_frame(s, s->output_frame, 0);
2224 ff_thread_finish_setup(s->avctx);
2229 if (s->ref && s->threads_type == FF_THREAD_FRAME)
2230 ff_thread_report_progress(&s->ref->tf, INT_MAX, 0);
2235 static int decode_nal_unit(HEVCContext *s, const uint8_t *nal, int length)
2237 HEVCLocalContext *lc = s->HEVClc;
2238 GetBitContext *gb = &lc->gb;
2239 int ctb_addr_ts, ret;
2241 ret = init_get_bits8(gb, nal, length);
2245 ret = hls_nal_unit(s);
2247 av_log(s->avctx, AV_LOG_ERROR, "Invalid NAL unit %d, skipping.\n",
2249 if (s->avctx->err_recognition & AV_EF_EXPLODE)
2255 switch (s->nal_unit_type) {
2257 ret = ff_hevc_decode_nal_vps(s);
2262 ret = ff_hevc_decode_nal_sps(s);
2267 ret = ff_hevc_decode_nal_pps(s);
2271 case NAL_SEI_PREFIX:
2272 case NAL_SEI_SUFFIX:
2273 ret = ff_hevc_decode_nal_sei(s);
2284 case NAL_BLA_W_RADL:
2286 case NAL_IDR_W_RADL:
2293 ret = hls_slice_header(s);
2297 if (s->max_ra == INT_MAX) {
2298 if (s->nal_unit_type == NAL_CRA_NUT || IS_BLA(s)) {
2302 s->max_ra = INT_MIN;
2306 if ((s->nal_unit_type == NAL_RASL_R || s->nal_unit_type == NAL_RASL_N) &&
2307 s->poc <= s->max_ra) {
2311 if (s->nal_unit_type == NAL_RASL_R && s->poc > s->max_ra)
2312 s->max_ra = INT_MIN;
2315 if (s->sh.first_slice_in_pic_flag) {
2316 ret = hevc_frame_start(s);
2319 } else if (!s->ref) {
2320 av_log(s->avctx, AV_LOG_ERROR, "First slice in a frame missing.\n");
2321 return AVERROR_INVALIDDATA;
2324 if (!s->sh.dependent_slice_segment_flag &&
2325 s->sh.slice_type != I_SLICE) {
2326 ret = ff_hevc_slice_rpl(s);
2328 av_log(s->avctx, AV_LOG_WARNING,
2329 "Error constructing the reference lists for the current slice.\n");
2330 if (s->avctx->err_recognition & AV_EF_EXPLODE)
2335 if (s->threads_number > 1 && s->sh.num_entry_point_offsets > 0)
2336 ctb_addr_ts = hls_slice_data_wpp(s, nal, length);
2338 ctb_addr_ts = hls_slice_data(s);
2339 if (ctb_addr_ts >= (s->sps->ctb_width * s->sps->ctb_height)) {
2341 if ((s->pps->transquant_bypass_enable_flag ||
2342 (s->sps->pcm.loop_filter_disable_flag && s->sps->pcm_enabled_flag)) &&
2343 s->sps->sao_enabled)
2344 restore_tqb_pixels(s);
2347 if (ctb_addr_ts < 0)
2352 s->seq_decode = (s->seq_decode + 1) & 0xff;
2353 s->max_ra = INT_MAX;
2359 av_log(s->avctx, AV_LOG_INFO,
2360 "Skipping NAL unit %d\n", s->nal_unit_type);
2366 /* FIXME: This is adapted from ff_h264_decode_nal, avoiding duplication
2367 * between these functions would be nice. */
2368 int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
2374 s->skipped_bytes = 0;
2375 #define STARTCODE_TEST \
2376 if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \
2377 if (src[i + 2] != 3) { \
2378 /* startcode, so we must be past the end */ \
2383 #if HAVE_FAST_UNALIGNED
2384 #define FIND_FIRST_ZERO \
2385 if (i > 0 && !src[i]) \
2390 for (i = 0; i + 1 < length; i += 9) {
2391 if (!((~AV_RN64A(src + i) &
2392 (AV_RN64A(src + i) - 0x0100010001000101ULL)) &
2393 0x8000800080008080ULL))
2400 for (i = 0; i + 1 < length; i += 5) {
2401 if (!((~AV_RN32A(src + i) &
2402 (AV_RN32A(src + i) - 0x01000101U)) &
2409 #endif /* HAVE_FAST_64BIT */
2411 for (i = 0; i + 1 < length; i += 2) {
2414 if (i > 0 && src[i - 1] == 0)
2418 #endif /* HAVE_FAST_UNALIGNED */
2420 if (i >= length - 1) { // no escaped 0
2426 av_fast_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size,
2427 length + FF_INPUT_BUFFER_PADDING_SIZE);
2428 if (!nal->rbsp_buffer)
2429 return AVERROR(ENOMEM);
2431 dst = nal->rbsp_buffer;
2433 memcpy(dst, src, i);
2435 while (si + 2 < length) {
2436 // remove escapes (very rare 1:2^22)
2437 if (src[si + 2] > 3) {
2438 dst[di++] = src[si++];
2439 dst[di++] = src[si++];
2440 } else if (src[si] == 0 && src[si + 1] == 0) {
2441 if (src[si + 2] == 3) { // escape
2447 if (s->skipped_bytes_pos_size < s->skipped_bytes) {
2448 s->skipped_bytes_pos_size *= 2;
2449 av_reallocp_array(&s->skipped_bytes_pos,
2450 s->skipped_bytes_pos_size,
2451 sizeof(*s->skipped_bytes_pos));
2452 if (!s->skipped_bytes_pos)
2453 return AVERROR(ENOMEM);
2455 if (s->skipped_bytes_pos)
2456 s->skipped_bytes_pos[s->skipped_bytes-1] = di - 1;
2458 } else // next start code
2462 dst[di++] = src[si++];
2465 dst[di++] = src[si++];
2468 memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
2475 static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
2477 int i, consumed, ret = 0;
2482 /* split the input packet into NAL units, so we know the upper bound on the
2483 * number of slices in the frame */
2485 while (length >= 4) {
2487 int extract_length = 0;
2491 for (i = 0; i < s->nal_length_size; i++)
2492 extract_length = (extract_length << 8) | buf[i];
2493 buf += s->nal_length_size;
2494 length -= s->nal_length_size;
2496 if (extract_length > length) {
2497 av_log(s->avctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
2498 ret = AVERROR_INVALIDDATA;
2502 /* search start code */
2503 while (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) {
2507 av_log(s->avctx, AV_LOG_ERROR, "No start code is found.\n");
2508 ret = AVERROR_INVALIDDATA;
2518 extract_length = length;
2520 if (s->nals_allocated < s->nb_nals + 1) {
2521 int new_size = s->nals_allocated + 1;
2522 HEVCNAL *tmp = av_realloc_array(s->nals, new_size, sizeof(*tmp));
2524 ret = AVERROR(ENOMEM);
2528 memset(s->nals + s->nals_allocated, 0,
2529 (new_size - s->nals_allocated) * sizeof(*tmp));
2530 av_reallocp_array(&s->skipped_bytes_nal, new_size, sizeof(*s->skipped_bytes_nal));
2531 av_reallocp_array(&s->skipped_bytes_pos_size_nal, new_size, sizeof(*s->skipped_bytes_pos_size_nal));
2532 av_reallocp_array(&s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal));
2533 s->skipped_bytes_pos_size_nal[s->nals_allocated] = 1024; // initial buffer size
2534 s->skipped_bytes_pos_nal[s->nals_allocated] = av_malloc_array(s->skipped_bytes_pos_size_nal[s->nals_allocated], sizeof(*s->skipped_bytes_pos));
2535 s->nals_allocated = new_size;
2537 s->skipped_bytes_pos_size = s->skipped_bytes_pos_size_nal[s->nb_nals];
2538 s->skipped_bytes_pos = s->skipped_bytes_pos_nal[s->nb_nals];
2539 nal = &s->nals[s->nb_nals];
2541 consumed = ff_hevc_extract_rbsp(s, buf, extract_length, nal);
2543 s->skipped_bytes_nal[s->nb_nals] = s->skipped_bytes;
2544 s->skipped_bytes_pos_size_nal[s->nb_nals] = s->skipped_bytes_pos_size;
2545 s->skipped_bytes_pos_nal[s->nb_nals++] = s->skipped_bytes_pos;
2553 ret = init_get_bits8(&s->HEVClc->gb, nal->data, nal->size);
2558 if (s->nal_unit_type == NAL_EOB_NUT ||
2559 s->nal_unit_type == NAL_EOS_NUT)
2566 /* parse the NAL units */
2567 for (i = 0; i < s->nb_nals; i++) {
2569 s->skipped_bytes = s->skipped_bytes_nal[i];
2570 s->skipped_bytes_pos = s->skipped_bytes_pos_nal[i];
2572 ret = decode_nal_unit(s, s->nals[i].data, s->nals[i].size);
2574 av_log(s->avctx, AV_LOG_WARNING,
2575 "Error parsing NAL unit #%d.\n", i);
2576 if (s->avctx->err_recognition & AV_EF_EXPLODE)
2582 if (s->ref && s->threads_type == FF_THREAD_FRAME)
2583 ff_thread_report_progress(&s->ref->tf, INT_MAX, 0);
2588 static void print_md5(void *log_ctx, int level, uint8_t md5[16])
2591 for (i = 0; i < 16; i++)
2592 av_log(log_ctx, level, "%02"PRIx8, md5[i]);
2595 static int verify_md5(HEVCContext *s, AVFrame *frame)
2597 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
2602 return AVERROR(EINVAL);
2604 pixel_shift = desc->comp[0].depth_minus1 > 7;
2606 av_log(s->avctx, AV_LOG_DEBUG, "Verifying checksum for frame with POC %d: ",
2609 /* the checksums are LE, so we have to byteswap for >8bpp formats
2612 if (pixel_shift && !s->checksum_buf) {
2613 av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size,
2614 FFMAX3(frame->linesize[0], frame->linesize[1],
2615 frame->linesize[2]));
2616 if (!s->checksum_buf)
2617 return AVERROR(ENOMEM);
2621 for (i = 0; frame->data[i]; i++) {
2622 int width = s->avctx->coded_width;
2623 int height = s->avctx->coded_height;
2624 int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width;
2625 int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height;
2628 av_md5_init(s->md5_ctx);
2629 for (j = 0; j < h; j++) {
2630 const uint8_t *src = frame->data[i] + j * frame->linesize[i];
2633 s->dsp.bswap16_buf((uint16_t*)s->checksum_buf,
2634 (const uint16_t*)src, w);
2635 src = s->checksum_buf;
2638 av_md5_update(s->md5_ctx, src, w << pixel_shift);
2640 av_md5_final(s->md5_ctx, md5);
2642 if (!memcmp(md5, s->md5[i], 16)) {
2643 av_log (s->avctx, AV_LOG_DEBUG, "plane %d - correct ", i);
2644 print_md5(s->avctx, AV_LOG_DEBUG, md5);
2645 av_log (s->avctx, AV_LOG_DEBUG, "; ");
2647 av_log (s->avctx, AV_LOG_ERROR, "mismatching checksum of plane %d - ", i);
2648 print_md5(s->avctx, AV_LOG_ERROR, md5);
2649 av_log (s->avctx, AV_LOG_ERROR, " != ");
2650 print_md5(s->avctx, AV_LOG_ERROR, s->md5[i]);
2651 av_log (s->avctx, AV_LOG_ERROR, "\n");
2652 return AVERROR_INVALIDDATA;
2656 av_log(s->avctx, AV_LOG_DEBUG, "\n");
2661 static int hevc_decode_frame(AVCodecContext *avctx, void *data, int *got_output,
2665 HEVCContext *s = avctx->priv_data;
2668 ret = ff_hevc_output_frame(s, data, 1);
2677 ret = decode_nal_units(s, avpkt->data, avpkt->size);
2681 /* verify the SEI checksum */
2682 if (avctx->err_recognition & AV_EF_CRCCHECK && s->is_decoded &&
2684 ret = verify_md5(s, s->ref->frame);
2685 if (ret < 0 && avctx->err_recognition & AV_EF_EXPLODE) {
2686 ff_hevc_unref_frame(s, s->ref, ~0);
2692 if (s->is_decoded) {
2693 av_log(avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc);
2697 if (s->output_frame->buf[0]) {
2698 av_frame_move_ref(data, s->output_frame);
2705 static int hevc_ref_frame(HEVCContext *s, HEVCFrame *dst, HEVCFrame *src)
2709 ret = ff_thread_ref_frame(&dst->tf, &src->tf);
2713 dst->tab_mvf_buf = av_buffer_ref(src->tab_mvf_buf);
2714 if (!dst->tab_mvf_buf)
2716 dst->tab_mvf = src->tab_mvf;
2718 dst->rpl_tab_buf = av_buffer_ref(src->rpl_tab_buf);
2719 if (!dst->rpl_tab_buf)
2721 dst->rpl_tab = src->rpl_tab;
2723 dst->rpl_buf = av_buffer_ref(src->rpl_buf);
2727 dst->poc = src->poc;
2728 dst->ctb_count = src->ctb_count;
2729 dst->window = src->window;
2730 dst->flags = src->flags;
2731 dst->sequence = src->sequence;
2735 ff_hevc_unref_frame(s, dst, ~0);
2736 return AVERROR(ENOMEM);
2739 static av_cold int hevc_decode_free(AVCodecContext *avctx)
2741 HEVCContext *s = avctx->priv_data;
2742 HEVCLocalContext *lc = s->HEVClc;
2747 av_freep(&s->md5_ctx);
2749 for(i=0; i < s->nals_allocated; i++) {
2750 av_freep(&s->skipped_bytes_pos_nal[i]);
2752 av_freep(&s->skipped_bytes_pos_size_nal);
2753 av_freep(&s->skipped_bytes_nal);
2754 av_freep(&s->skipped_bytes_pos_nal);
2756 av_freep(&s->cabac_state);
2758 av_frame_free(&s->tmp_frame);
2759 av_frame_free(&s->output_frame);
2761 for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
2762 ff_hevc_unref_frame(s, &s->DPB[i], ~0);
2763 av_frame_free(&s->DPB[i].frame);
2766 for (i = 0; i < FF_ARRAY_ELEMS(s->vps_list); i++)
2767 av_buffer_unref(&s->vps_list[i]);
2768 for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++)
2769 av_buffer_unref(&s->sps_list[i]);
2770 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++)
2771 av_buffer_unref(&s->pps_list[i]);
2773 av_freep(&s->sh.entry_point_offset);
2774 av_freep(&s->sh.offset);
2775 av_freep(&s->sh.size);
2777 for (i = 1; i < s->threads_number; i++) {
2778 lc = s->HEVClcList[i];
2780 av_freep(&s->HEVClcList[i]);
2781 av_freep(&s->sList[i]);
2784 if (s->HEVClc == s->HEVClcList[0])
2786 av_freep(&s->HEVClcList[0]);
2788 for (i = 0; i < s->nals_allocated; i++)
2789 av_freep(&s->nals[i].rbsp_buffer);
2791 s->nals_allocated = 0;
2796 static av_cold int hevc_init_context(AVCodecContext *avctx)
2798 HEVCContext *s = avctx->priv_data;
2803 s->HEVClc = av_mallocz(sizeof(HEVCLocalContext));
2806 s->HEVClcList[0] = s->HEVClc;
2809 s->cabac_state = av_malloc(HEVC_CONTEXTS);
2810 if (!s->cabac_state)
2813 s->tmp_frame = av_frame_alloc();
2817 s->output_frame = av_frame_alloc();
2818 if (!s->output_frame)
2821 for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
2822 s->DPB[i].frame = av_frame_alloc();
2823 if (!s->DPB[i].frame)
2825 s->DPB[i].tf.f = s->DPB[i].frame;
2828 s->max_ra = INT_MAX;
2830 s->md5_ctx = av_md5_alloc();
2834 ff_dsputil_init(&s->dsp, avctx);
2836 s->context_initialized = 1;
2841 hevc_decode_free(avctx);
2842 return AVERROR(ENOMEM);
2845 static int hevc_update_thread_context(AVCodecContext *dst,
2846 const AVCodecContext *src)
2848 HEVCContext *s = dst->priv_data;
2849 HEVCContext *s0 = src->priv_data;
2852 if (!s->context_initialized) {
2853 ret = hevc_init_context(dst);
2858 for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
2859 ff_hevc_unref_frame(s, &s->DPB[i], ~0);
2860 if (s0->DPB[i].frame->buf[0]) {
2861 ret = hevc_ref_frame(s, &s->DPB[i], &s0->DPB[i]);
2867 for (i = 0; i < FF_ARRAY_ELEMS(s->vps_list); i++) {
2868 av_buffer_unref(&s->vps_list[i]);
2869 if (s0->vps_list[i]) {
2870 s->vps_list[i] = av_buffer_ref(s0->vps_list[i]);
2871 if (!s->vps_list[i])
2872 return AVERROR(ENOMEM);
2876 for (i = 0; i < FF_ARRAY_ELEMS(s->sps_list); i++) {
2877 av_buffer_unref(&s->sps_list[i]);
2878 if (s0->sps_list[i]) {
2879 s->sps_list[i] = av_buffer_ref(s0->sps_list[i]);
2880 if (!s->sps_list[i])
2881 return AVERROR(ENOMEM);
2885 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) {
2886 av_buffer_unref(&s->pps_list[i]);
2887 if (s0->pps_list[i]) {
2888 s->pps_list[i] = av_buffer_ref(s0->pps_list[i]);
2889 if (!s->pps_list[i])
2890 return AVERROR(ENOMEM);
2894 if (s->sps != s0->sps)
2895 ret = set_sps(s, s0->sps);
2897 s->seq_decode = s0->seq_decode;
2898 s->seq_output = s0->seq_output;
2899 s->pocTid0 = s0->pocTid0;
2900 s->max_ra = s0->max_ra;
2902 s->is_nalff = s0->is_nalff;
2903 s->nal_length_size = s0->nal_length_size;
2905 s->threads_number = s0->threads_number;
2906 s->threads_type = s0->threads_type;
2909 s->seq_decode = (s->seq_decode + 1) & 0xff;
2910 s->max_ra = INT_MAX;
2916 static int hevc_decode_extradata(HEVCContext *s)
2918 AVCodecContext *avctx = s->avctx;
2922 bytestream2_init(&gb, avctx->extradata, avctx->extradata_size);
2924 if (avctx->extradata_size > 3 &&
2925 (avctx->extradata[0] || avctx->extradata[1] ||
2926 avctx->extradata[2] > 1)) {
2927 /* It seems the extradata is encoded as hvcC format.
2928 * Temporarily, we support configurationVersion==0 until 14496-15 3rd
2929 * is finalized. When finalized, configurationVersion will be 1 and we
2930 * can recognize hvcC by checking if avctx->extradata[0]==1 or not. */
2931 int i, j, num_arrays, nal_len_size;
2935 bytestream2_skip(&gb, 21);
2936 nal_len_size = (bytestream2_get_byte(&gb) & 3) + 1;
2937 num_arrays = bytestream2_get_byte(&gb);
2939 /* nal units in the hvcC always have length coded with 2 bytes,
2940 * so put a fake nal_length_size = 2 while parsing them */
2941 s->nal_length_size = 2;
2943 /* Decode nal units from hvcC. */
2944 for (i = 0; i < num_arrays; i++) {
2945 int type = bytestream2_get_byte(&gb) & 0x3f;
2946 int cnt = bytestream2_get_be16(&gb);
2948 for (j = 0; j < cnt; j++) {
2949 // +2 for the nal size field
2950 int nalsize = bytestream2_peek_be16(&gb) + 2;
2951 if (bytestream2_get_bytes_left(&gb) < nalsize) {
2952 av_log(s->avctx, AV_LOG_ERROR,
2953 "Invalid NAL unit size in extradata.\n");
2954 return AVERROR_INVALIDDATA;
2957 ret = decode_nal_units(s, gb.buffer, nalsize);
2959 av_log(avctx, AV_LOG_ERROR,
2960 "Decoding nal unit %d %d from hvcC failed\n",
2964 bytestream2_skip(&gb, nalsize);
2968 /* Now store right nal length size, that will be used to parse
2970 s->nal_length_size = nal_len_size;
2973 ret = decode_nal_units(s, avctx->extradata, avctx->extradata_size);
2980 static av_cold int hevc_decode_init(AVCodecContext *avctx)
2982 HEVCContext *s = avctx->priv_data;
2985 ff_init_cabac_states();
2987 avctx->internal->allocate_progress = 1;
2989 ret = hevc_init_context(avctx);
2993 s->enable_parallel_tiles = 0;
2994 s->picture_struct = 0;
2996 if(avctx->active_thread_type & FF_THREAD_SLICE)
2997 s->threads_number = avctx->thread_count;
2999 s->threads_number = 1;
3001 if (avctx->extradata_size > 0 && avctx->extradata) {
3002 ret = hevc_decode_extradata(s);
3004 hevc_decode_free(avctx);
3009 if((avctx->active_thread_type & FF_THREAD_FRAME) && avctx->thread_count > 1)
3010 s->threads_type = FF_THREAD_FRAME;
3012 s->threads_type = FF_THREAD_SLICE;
3017 static av_cold int hevc_init_thread_copy(AVCodecContext *avctx)
3019 HEVCContext *s = avctx->priv_data;
3022 memset(s, 0, sizeof(*s));
3024 ret = hevc_init_context(avctx);
3031 static void hevc_decode_flush(AVCodecContext *avctx)
3033 HEVCContext *s = avctx->priv_data;
3034 ff_hevc_flush_dpb(s);
3035 s->max_ra = INT_MAX;
3038 #define OFFSET(x) offsetof(HEVCContext, x)
3039 #define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
3041 static const AVProfile profiles[] = {
3042 { FF_PROFILE_HEVC_MAIN, "Main" },
3043 { FF_PROFILE_HEVC_MAIN_10, "Main 10" },
3044 { FF_PROFILE_HEVC_MAIN_STILL_PICTURE, "Main Still Picture" },
3045 { FF_PROFILE_UNKNOWN },
3048 static const AVOption options[] = {
3049 { "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin),
3050 AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR },
3051 { "strict-displaywin", "stricly apply default display window size", OFFSET(apply_defdispwin),
3052 AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR },
3056 static const AVClass hevc_decoder_class = {
3057 .class_name = "HEVC decoder",
3058 .item_name = av_default_item_name,
3060 .version = LIBAVUTIL_VERSION_INT,
3063 AVCodec ff_hevc_decoder = {
3065 .long_name = NULL_IF_CONFIG_SMALL("HEVC (High Efficiency Video Coding)"),
3066 .type = AVMEDIA_TYPE_VIDEO,
3067 .id = AV_CODEC_ID_HEVC,
3068 .priv_data_size = sizeof(HEVCContext),
3069 .priv_class = &hevc_decoder_class,
3070 .init = hevc_decode_init,
3071 .close = hevc_decode_free,
3072 .decode = hevc_decode_frame,
3073 .flush = hevc_decode_flush,
3074 .update_thread_context = hevc_update_thread_context,
3075 .init_thread_copy = hevc_init_thread_copy,
3076 .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY |
3077 CODEC_CAP_SLICE_THREADS | CODEC_CAP_FRAME_THREADS,
3078 .profiles = NULL_IF_CONFIG_SMALL(profiles),