FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/av1dec.c
Date: 2025-10-10 03:51:19
Exec Total Coverage
Lines: 270 884 30.5%
Functions: 12 34 35.3%
Branches: 108 498 21.7%

Line Branch Exec Source
1 /*
2 * AV1 video decoder
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "config_components.h"
22
23 #include "libavutil/attributes.h"
24 #include "libavutil/hdr_dynamic_metadata.h"
25 #include "libavutil/film_grain_params.h"
26 #include "libavutil/mastering_display_metadata.h"
27 #include "libavutil/mem.h"
28 #include "libavutil/pixdesc.h"
29 #include "libavutil/opt.h"
30 #include "avcodec.h"
31 #include "av1_parse.h"
32 #include "av1dec.h"
33 #include "atsc_a53.h"
34 #include "bytestream.h"
35 #include "codec_internal.h"
36 #include "decode.h"
37 #include "hwaccel_internal.h"
38 #include "internal.h"
39 #include "itut35.h"
40 #include "hwconfig.h"
41 #include "profiles.h"
42 #include "progressframe.h"
43 #include "libavutil/refstruct.h"
44
45 /** same with Div_Lut defined in spec 7.11.3.7 */
46 static const uint16_t div_lut[AV1_DIV_LUT_NUM] = {
47 16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768,
48 15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142,
49 15087, 15033, 14980, 14926, 14873, 14821, 14769, 14717, 14665, 14614, 14564,
50 14513, 14463, 14413, 14364, 14315, 14266, 14218, 14170, 14122, 14075, 14028,
51 13981, 13935, 13888, 13843, 13797, 13752, 13707, 13662, 13618, 13574, 13530,
52 13487, 13443, 13400, 13358, 13315, 13273, 13231, 13190, 13148, 13107, 13066,
53 13026, 12985, 12945, 12906, 12866, 12827, 12788, 12749, 12710, 12672, 12633,
54 12596, 12558, 12520, 12483, 12446, 12409, 12373, 12336, 12300, 12264, 12228,
55 12193, 12157, 12122, 12087, 12053, 12018, 11984, 11950, 11916, 11882, 11848,
56 11815, 11782, 11749, 11716, 11683, 11651, 11619, 11586, 11555, 11523, 11491,
57 11460, 11429, 11398, 11367, 11336, 11305, 11275, 11245, 11215, 11185, 11155,
58 11125, 11096, 11067, 11038, 11009, 10980, 10951, 10923, 10894, 10866, 10838,
59 10810, 10782, 10755, 10727, 10700, 10673, 10645, 10618, 10592, 10565, 10538,
60 10512, 10486, 10460, 10434, 10408, 10382, 10356, 10331, 10305, 10280, 10255,
61 10230, 10205, 10180, 10156, 10131, 10107, 10082, 10058, 10034, 10010, 9986,
62 9963, 9939, 9916, 9892, 9869, 9846, 9823, 9800, 9777, 9754, 9732,
63 9709, 9687, 9664, 9642, 9620, 9598, 9576, 9554, 9533, 9511, 9489,
64 9468, 9447, 9425, 9404, 9383, 9362, 9341, 9321, 9300, 9279, 9259,
65 9239, 9218, 9198, 9178, 9158, 9138, 9118, 9098, 9079, 9059, 9039,
66 9020, 9001, 8981, 8962, 8943, 8924, 8905, 8886, 8867, 8849, 8830,
67 8812, 8793, 8775, 8756, 8738, 8720, 8702, 8684, 8666, 8648, 8630,
68 8613, 8595, 8577, 8560, 8542, 8525, 8508, 8490, 8473, 8456, 8439,
69 8422, 8405, 8389, 8372, 8355, 8339, 8322, 8306, 8289, 8273, 8257,
70 8240, 8224, 8208, 8192
71 };
72
73 static uint32_t inverse_recenter(int r, uint32_t v)
74 {
75 if (v > 2 * r)
76 return v;
77 else if (v & 1)
78 return r - ((v + 1) >> 1);
79 else
80 return r + (v >> 1);
81 }
82
83 static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp,
84 int mx, int r)
85 {
86 if ((r << 1) <= mx) {
87 return inverse_recenter(r, sub_exp);
88 } else {
89 return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
90 }
91 }
92
93 static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low,
94 int high, int r)
95 {
96 int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
97 return x + low;
98 }
99
100 static void read_global_param(AV1DecContext *s, int type, int ref, int idx)
101 {
102 uint8_t primary_frame, prev_frame;
103 uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx;
104 int32_t r, prev_gm_param;
105
106 primary_frame = s->raw_frame_header->primary_ref_frame;
107 prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
108 abs_bits = AV1_GM_ABS_ALPHA_BITS;
109 prec_bits = AV1_GM_ALPHA_PREC_BITS;
110
111 /* setup_past_independence() sets PrevGmParams to default values. We can
112 * simply point to the current's frame gm_params as they will be initialized
113 * with defaults at this point.
114 */
115 if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
116 prev_gm_param = s->cur_frame.gm_params[ref][idx];
117 else
118 prev_gm_param = s->ref[prev_frame].gm_params[ref][idx];
119
120 if (idx < 2) {
121 if (type == AV1_WARP_MODEL_TRANSLATION) {
122 abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS -
123 !s->raw_frame_header->allow_high_precision_mv;
124 prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS -
125 !s->raw_frame_header->allow_high_precision_mv;
126 } else {
127 abs_bits = AV1_GM_ABS_TRANS_BITS;
128 prec_bits = AV1_GM_TRANS_PREC_BITS;
129 }
130 }
131 round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0;
132 prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits;
133 sub = (idx % 3) == 2 ? (1 << prec_bits) : 0;
134 mx = 1 << abs_bits;
135 r = (prev_gm_param >> prec_diff) - sub;
136
137 s->cur_frame.gm_params[ref][idx] =
138 (decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
139 -mx, mx + 1, r) << prec_diff) + round;
140 }
141
142 static uint64_t round_two(uint64_t x, uint16_t n)
143 {
144 if (n == 0)
145 return x;
146 return ((x + ((uint64_t)1 << (n - 1))) >> n);
147 }
148
149 static int64_t round_two_signed(int64_t x, uint16_t n)
150 {
151 return ((x<0) ? -((int64_t)round_two(-x, n)) : (int64_t)round_two(x, n));
152 }
153
154 /**
155 * Resolve divisor process.
156 * see spec 7.11.3.7
157 */
158 static int16_t resolve_divisor(uint32_t d, uint16_t *shift)
159 {
160 int32_t e, f;
161
162 *shift = av_log2(d);
163 e = d - (1 << (*shift));
164 if (*shift > AV1_DIV_LUT_BITS)
165 f = round_two(e, *shift - AV1_DIV_LUT_BITS);
166 else
167 f = e << (AV1_DIV_LUT_BITS - (*shift));
168
169 *shift += AV1_DIV_LUT_PREC_BITS;
170
171 return div_lut[f];
172 }
173
174 /**
175 * check if global motion params is valid.
176 * see spec 7.11.3.6
177 */
178 static uint8_t get_shear_params_valid(AV1DecContext *s, int idx)
179 {
180 int16_t alpha, beta, gamma, delta, divf, divs;
181 int64_t v, w;
182 int32_t *param = &s->cur_frame.gm_params[idx][0];
183 if (param[2] <= 0)
184 return 0;
185
186 alpha = av_clip_int16(param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS));
187 beta = av_clip_int16(param[3]);
188 divf = resolve_divisor(abs(param[2]), &divs);
189 v = (int64_t)param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS);
190 w = (int64_t)param[3] * param[4];
191 gamma = av_clip_int16((int)round_two_signed((v * divf), divs));
192 delta = av_clip_int16(param[5] - (int)round_two_signed((w * divf), divs) - (1 << AV1_WARPEDMODEL_PREC_BITS));
193
194 alpha = round_two_signed(alpha, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
195 beta = round_two_signed(beta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
196 gamma = round_two_signed(gamma, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
197 delta = round_two_signed(delta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
198
199 if ((4 * abs(alpha) + 7 * abs(beta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS) ||
200 (4 * abs(gamma) + 4 * abs(delta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS))
201 return 0;
202
203 return 1;
204 }
205
206 /**
207 * update gm type/params, since cbs already implemented part of this function,
208 * so we don't need to full implement spec.
209 */
210 static void global_motion_params(AV1DecContext *s)
211 {
212 const AV1RawFrameHeader *header = s->raw_frame_header;
213 int type, ref;
214
215 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
216 s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY;
217 for (int i = 0; i < 6; i++)
218 s->cur_frame.gm_params[ref][i] = (i % 3 == 2) ?
219 1 << AV1_WARPEDMODEL_PREC_BITS : 0;
220 }
221 if (header->frame_type == AV1_FRAME_KEY ||
222 header->frame_type == AV1_FRAME_INTRA_ONLY)
223 return;
224
225 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
226 if (header->is_global[ref]) {
227 if (header->is_rot_zoom[ref]) {
228 type = AV1_WARP_MODEL_ROTZOOM;
229 } else {
230 type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION
231 : AV1_WARP_MODEL_AFFINE;
232 }
233 } else {
234 type = AV1_WARP_MODEL_IDENTITY;
235 }
236 s->cur_frame.gm_type[ref] = type;
237
238 if (type >= AV1_WARP_MODEL_ROTZOOM) {
239 read_global_param(s, type, ref, 2);
240 read_global_param(s, type, ref, 3);
241 if (type == AV1_WARP_MODEL_AFFINE) {
242 read_global_param(s, type, ref, 4);
243 read_global_param(s, type, ref, 5);
244 } else {
245 s->cur_frame.gm_params[ref][4] = -s->cur_frame.gm_params[ref][3];
246 s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2];
247 }
248 }
249 if (type >= AV1_WARP_MODEL_TRANSLATION) {
250 read_global_param(s, type, ref, 0);
251 read_global_param(s, type, ref, 1);
252 }
253 if (type <= AV1_WARP_MODEL_AFFINE) {
254 s->cur_frame.gm_invalid[ref] = !get_shear_params_valid(s, ref);
255 }
256 }
257 }
258
259 static int get_relative_dist(const AV1RawSequenceHeader *seq,
260 unsigned int a, unsigned int b)
261 {
262 unsigned int diff = a - b;
263 unsigned int m = 1 << seq->order_hint_bits_minus_1;
264 return (diff & (m - 1)) - (diff & m);
265 }
266
267 static void skip_mode_params(AV1DecContext *s)
268 {
269 const AV1RawFrameHeader *header = s->raw_frame_header;
270 const AV1RawSequenceHeader *seq = s->raw_seq;
271
272 int forward_idx, backward_idx;
273 int forward_hint, backward_hint;
274 int second_forward_idx, second_forward_hint;
275 int ref_hint, dist, i;
276
277 if (header->frame_type == AV1_FRAME_KEY ||
278 header->frame_type == AV1_FRAME_INTRA_ONLY ||
279 !header->reference_select || !seq->enable_order_hint)
280 return;
281
282 forward_idx = -1;
283 backward_idx = -1;
284 for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
285 if (!s->ref[header->ref_frame_idx[i]].raw_frame_header)
286 return;
287 ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint;
288 dist = get_relative_dist(seq, ref_hint, header->order_hint);
289 if (dist < 0) {
290 if (forward_idx < 0 ||
291 get_relative_dist(seq, ref_hint, forward_hint) > 0) {
292 forward_idx = i;
293 forward_hint = ref_hint;
294 }
295 } else if (dist > 0) {
296 if (backward_idx < 0 ||
297 get_relative_dist(seq, ref_hint, backward_hint) < 0) {
298 backward_idx = i;
299 backward_hint = ref_hint;
300 }
301 }
302 }
303
304 if (forward_idx < 0) {
305 return;
306 } else if (backward_idx >= 0) {
307 s->cur_frame.skip_mode_frame_idx[0] =
308 AV1_REF_FRAME_LAST + FFMIN(forward_idx, backward_idx);
309 s->cur_frame.skip_mode_frame_idx[1] =
310 AV1_REF_FRAME_LAST + FFMAX(forward_idx, backward_idx);
311 return;
312 }
313
314 second_forward_idx = -1;
315 for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
316 ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint;
317 if (get_relative_dist(seq, ref_hint, forward_hint) < 0) {
318 if (second_forward_idx < 0 ||
319 get_relative_dist(seq, ref_hint, second_forward_hint) > 0) {
320 second_forward_idx = i;
321 second_forward_hint = ref_hint;
322 }
323 }
324 }
325
326 if (second_forward_idx < 0)
327 return;
328
329 s->cur_frame.skip_mode_frame_idx[0] =
330 AV1_REF_FRAME_LAST + FFMIN(forward_idx, second_forward_idx);
331 s->cur_frame.skip_mode_frame_idx[1] =
332 AV1_REF_FRAME_LAST + FFMAX(forward_idx, second_forward_idx);
333 }
334
335 static void coded_lossless_param(AV1DecContext *s)
336 {
337 const AV1RawFrameHeader *header = s->raw_frame_header;
338 int i;
339
340 if (header->delta_q_y_dc || header->delta_q_u_ac ||
341 header->delta_q_u_dc || header->delta_q_v_ac ||
342 header->delta_q_v_dc) {
343 s->cur_frame.coded_lossless = 0;
344 return;
345 }
346
347 s->cur_frame.coded_lossless = 1;
348 for (i = 0; i < AV1_MAX_SEGMENTS; i++) {
349 int qindex;
350 if (header->feature_enabled[i][AV1_SEG_LVL_ALT_Q]) {
351 qindex = (header->base_q_idx +
352 header->feature_value[i][AV1_SEG_LVL_ALT_Q]);
353 } else {
354 qindex = header->base_q_idx;
355 }
356 qindex = av_clip_uintp2(qindex, 8);
357
358 if (qindex) {
359 s->cur_frame.coded_lossless = 0;
360 return;
361 }
362 }
363 }
364
365 static void order_hint_info(AV1DecContext *s)
366 {
367 const AV1RawFrameHeader *header = s->raw_frame_header;
368 const AV1RawSequenceHeader *seq = s->raw_seq;
369 AV1Frame *frame = &s->cur_frame;
370
371 frame->order_hint = header->order_hint;
372
373 for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
374 int ref_name = i + AV1_REF_FRAME_LAST;
375 int ref_slot = header->ref_frame_idx[i];
376 int ref_order_hint = s->ref[ref_slot].order_hint;
377
378 frame->order_hints[ref_name] = ref_order_hint;
379 if (!seq->enable_order_hint) {
380 frame->ref_frame_sign_bias[ref_name] = 0;
381 } else {
382 frame->ref_frame_sign_bias[ref_name] =
383 get_relative_dist(seq, ref_order_hint,
384 frame->order_hint) > 0;
385 }
386 }
387 }
388
389 static void load_grain_params(AV1DecContext *s)
390 {
391 const AV1RawFrameHeader *header = s->raw_frame_header;
392 const AV1RawFilmGrainParams *film_grain = &header->film_grain, *src;
393 AV1RawFilmGrainParams *dst = &s->cur_frame.film_grain;
394
395 if (!film_grain->apply_grain)
396 return;
397
398 if (film_grain->update_grain) {
399 memcpy(dst, film_grain, sizeof(*dst));
400 return;
401 }
402
403 src = &s->ref[film_grain->film_grain_params_ref_idx].film_grain;
404
405 memcpy(dst, src, sizeof(*dst));
406 dst->grain_seed = film_grain->grain_seed;
407 }
408
409 24 static int init_tile_data(AV1DecContext *s)
410
411 {
412 24 int cur_tile_num =
413 24 s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows;
414
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24 if (s->tile_num < cur_tile_num) {
415 24 int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num,
416 sizeof(TileGroupInfo));
417
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24 if (ret < 0) {
418 s->tile_num = 0;
419 return ret;
420 }
421 }
422 24 s->tile_num = cur_tile_num;
423
424 24 return 0;
425 }
426
427 32 static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group)
428 {
429 32 AV1DecContext *s = avctx->priv_data;
430 GetByteContext gb;
431 uint16_t tile_num, tile_row, tile_col;
432 32 uint32_t size = 0, size_bytes = 0;
433
434 32 bytestream2_init(&gb, tile_group->tile_data.data,
435 32 tile_group->tile_data.data_size);
436 32 s->tg_start = tile_group->tg_start;
437 32 s->tg_end = tile_group->tg_end;
438
439
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47 for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
440 47 tile_row = tile_num / s->raw_frame_header->tile_cols;
441 47 tile_col = tile_num % s->raw_frame_header->tile_cols;
442
443
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47 if (tile_num == tile_group->tg_end) {
444 32 s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb);
445 32 s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
446 32 s->tile_group_info[tile_num].tile_row = tile_row;
447 32 s->tile_group_info[tile_num].tile_column = tile_col;
448 32 return 0;
449 }
450 15 size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
451
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15 if (bytestream2_get_bytes_left(&gb) < size_bytes)
452 return AVERROR_INVALIDDATA;
453 15 size = 0;
454
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53 for (int i = 0; i < size_bytes; i++)
455 38 size |= bytestream2_get_byteu(&gb) << 8 * i;
456
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15 if (bytestream2_get_bytes_left(&gb) <= size)
457 return AVERROR_INVALIDDATA;
458 15 size++;
459
460 15 s->tile_group_info[tile_num].tile_size = size;
461 15 s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
462 15 s->tile_group_info[tile_num].tile_row = tile_row;
463 15 s->tile_group_info[tile_num].tile_column = tile_col;
464
465 15 bytestream2_skipu(&gb, size);
466 }
467
468 return 0;
469
470 }
471
472 28 static enum AVPixelFormat get_sw_pixel_format(void *logctx,
473 const AV1RawSequenceHeader *seq)
474 {
475 int bit_depth;
476 28 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
477
478
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28 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
479 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
480
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28 else if (seq->seq_profile <= 2)
481
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28 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
482 else {
483 av_log(logctx, AV_LOG_ERROR,
484 "Unknown AV1 profile %d.\n", seq->seq_profile);
485 return AV_PIX_FMT_NONE;
486 }
487
488
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28 if (!seq->color_config.mono_chrome) {
489 // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
490
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28 if (seq->color_config.subsampling_x == 0 &&
491 seq->color_config.subsampling_y == 0) {
492 if (bit_depth == 8)
493 pix_fmt = AV_PIX_FMT_YUV444P;
494 else if (bit_depth == 10)
495 pix_fmt = AV_PIX_FMT_YUV444P10;
496 else if (bit_depth == 12)
497 pix_fmt = AV_PIX_FMT_YUV444P12;
498 else
499 av_assert0(0);
500
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28 } else if (seq->color_config.subsampling_x == 1 &&
501
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28 seq->color_config.subsampling_y == 0) {
502 if (bit_depth == 8)
503 pix_fmt = AV_PIX_FMT_YUV422P;
504 else if (bit_depth == 10)
505 pix_fmt = AV_PIX_FMT_YUV422P10;
506 else if (bit_depth == 12)
507 pix_fmt = AV_PIX_FMT_YUV422P12;
508 else
509 av_assert0(0);
510
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28 } else if (seq->color_config.subsampling_x == 1 &&
511
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28 seq->color_config.subsampling_y == 1) {
512
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28 if (bit_depth == 8)
513 27 pix_fmt = AV_PIX_FMT_YUV420P;
514
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1 else if (bit_depth == 10)
515 1 pix_fmt = AV_PIX_FMT_YUV420P10;
516 else if (bit_depth == 12)
517 pix_fmt = AV_PIX_FMT_YUV420P12;
518 else
519 av_assert0(0);
520 }
521 } else {
522 if (bit_depth == 8)
523 pix_fmt = AV_PIX_FMT_GRAY8;
524 else if (bit_depth == 10)
525 pix_fmt = AV_PIX_FMT_GRAY10;
526 else if (bit_depth == 12)
527 pix_fmt = AV_PIX_FMT_GRAY12;
528 else
529 av_assert0(0);
530 }
531
532 28 return pix_fmt;
533 }
534
535 static int get_pixel_format(AVCodecContext *avctx)
536 {
537 AV1DecContext *s = avctx->priv_data;
538 const AV1RawSequenceHeader *seq = s->raw_seq;
539 int ret;
540 enum AVPixelFormat pix_fmt = get_sw_pixel_format(avctx, seq);
541 #define HWACCEL_MAX (CONFIG_AV1_DXVA2_HWACCEL + \
542 CONFIG_AV1_D3D11VA_HWACCEL * 2 + \
543 CONFIG_AV1_D3D12VA_HWACCEL + \
544 CONFIG_AV1_NVDEC_HWACCEL + \
545 CONFIG_AV1_VAAPI_HWACCEL + \
546 CONFIG_AV1_VDPAU_HWACCEL + \
547 CONFIG_AV1_VIDEOTOOLBOX_HWACCEL + \
548 CONFIG_AV1_VULKAN_HWACCEL)
549 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
550
551 if (pix_fmt == AV_PIX_FMT_NONE)
552 return -1;
553
554 switch (pix_fmt) {
555 case AV_PIX_FMT_YUV420P:
556 #if CONFIG_AV1_DXVA2_HWACCEL
557 *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
558 #endif
559 #if CONFIG_AV1_D3D11VA_HWACCEL
560 *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
561 *fmtp++ = AV_PIX_FMT_D3D11;
562 #endif
563 #if CONFIG_AV1_D3D12VA_HWACCEL
564 *fmtp++ = AV_PIX_FMT_D3D12;
565 #endif
566 #if CONFIG_AV1_NVDEC_HWACCEL
567 *fmtp++ = AV_PIX_FMT_CUDA;
568 #endif
569 #if CONFIG_AV1_VAAPI_HWACCEL
570 *fmtp++ = AV_PIX_FMT_VAAPI;
571 #endif
572 #if CONFIG_AV1_VDPAU_HWACCEL
573 *fmtp++ = AV_PIX_FMT_VDPAU;
574 #endif
575 #if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
576 *fmtp++ = AV_PIX_FMT_VIDEOTOOLBOX;
577 #endif
578 #if CONFIG_AV1_VULKAN_HWACCEL
579 *fmtp++ = AV_PIX_FMT_VULKAN;
580 #endif
581 break;
582 case AV_PIX_FMT_YUV420P10:
583 #if CONFIG_AV1_DXVA2_HWACCEL
584 *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
585 #endif
586 #if CONFIG_AV1_D3D11VA_HWACCEL
587 *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
588 *fmtp++ = AV_PIX_FMT_D3D11;
589 #endif
590 #if CONFIG_AV1_D3D12VA_HWACCEL
591 *fmtp++ = AV_PIX_FMT_D3D12;
592 #endif
593 #if CONFIG_AV1_NVDEC_HWACCEL
594 *fmtp++ = AV_PIX_FMT_CUDA;
595 #endif
596 #if CONFIG_AV1_VAAPI_HWACCEL
597 *fmtp++ = AV_PIX_FMT_VAAPI;
598 #endif
599 #if CONFIG_AV1_VDPAU_HWACCEL
600 *fmtp++ = AV_PIX_FMT_VDPAU;
601 #endif
602 #if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
603 *fmtp++ = AV_PIX_FMT_VIDEOTOOLBOX;
604 #endif
605 #if CONFIG_AV1_VULKAN_HWACCEL
606 *fmtp++ = AV_PIX_FMT_VULKAN;
607 #endif
608 break;
609 case AV_PIX_FMT_YUV420P12:
610 #if CONFIG_AV1_VULKAN_HWACCEL
611 *fmtp++ = AV_PIX_FMT_VULKAN;
612 #endif
613 break;
614 case AV_PIX_FMT_YUV422P:
615 #if CONFIG_AV1_VULKAN_HWACCEL
616 *fmtp++ = AV_PIX_FMT_VULKAN;
617 #endif
618 break;
619 case AV_PIX_FMT_YUV422P10:
620 #if CONFIG_AV1_VULKAN_HWACCEL
621 *fmtp++ = AV_PIX_FMT_VULKAN;
622 #endif
623 break;
624 case AV_PIX_FMT_YUV422P12:
625 #if CONFIG_AV1_VULKAN_HWACCEL
626 *fmtp++ = AV_PIX_FMT_VULKAN;
627 #endif
628 break;
629 case AV_PIX_FMT_YUV444P:
630 #if CONFIG_AV1_VULKAN_HWACCEL
631 *fmtp++ = AV_PIX_FMT_VULKAN;
632 #endif
633 break;
634 case AV_PIX_FMT_YUV444P10:
635 #if CONFIG_AV1_VULKAN_HWACCEL
636 *fmtp++ = AV_PIX_FMT_VULKAN;
637 #endif
638 break;
639 case AV_PIX_FMT_YUV444P12:
640 #if CONFIG_AV1_VULKAN_HWACCEL
641 *fmtp++ = AV_PIX_FMT_VULKAN;
642 #endif
643 break;
644 case AV_PIX_FMT_GRAY8:
645 #if CONFIG_AV1_NVDEC_HWACCEL
646 *fmtp++ = AV_PIX_FMT_CUDA;
647 #endif
648 break;
649 case AV_PIX_FMT_GRAY10:
650 #if CONFIG_AV1_NVDEC_HWACCEL
651 *fmtp++ = AV_PIX_FMT_CUDA;
652 #endif
653 break;
654 }
655
656 *fmtp++ = pix_fmt;
657 *fmtp = AV_PIX_FMT_NONE;
658
659 for (int i = 0; pix_fmts[i] != pix_fmt; i++)
660 if (pix_fmts[i] == avctx->pix_fmt) {
661 s->pix_fmt = pix_fmt;
662 return 1;
663 }
664
665 ret = ff_get_format(avctx, pix_fmts);
666
667 /**
668 * check if the HW accel is inited correctly. If not, return un-implemented.
669 * Since now the av1 decoder doesn't support native decode, if it will be
670 * implemented in the future, need remove this check.
671 */
672 if (!avctx->hwaccel) {
673 av_log(avctx, AV_LOG_ERROR, "Your platform doesn't support"
674 " hardware accelerated AV1 decoding.\n");
675 avctx->pix_fmt = AV_PIX_FMT_NONE;
676 return AVERROR(ENOSYS);
677 }
678
679 s->pix_fmt = pix_fmt;
680 avctx->pix_fmt = ret;
681
682 av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n",
683 av_get_pix_fmt_name(avctx->pix_fmt));
684
685 return 0;
686 }
687
688 285 static void av1_frame_unref(AV1Frame *f)
689 {
690 285 ff_progress_frame_unref(&f->pf);
691 285 av_refstruct_unref(&f->hwaccel_picture_private);
692 285 av_refstruct_unref(&f->header_ref);
693 285 f->raw_frame_header = NULL;
694 285 f->spatial_id = f->temporal_id = 0;
695 285 memset(f->skip_mode_frame_idx, 0,
696 2 * sizeof(uint8_t));
697 285 memset(&f->film_grain, 0, sizeof(f->film_grain));
698 285 f->coded_lossless = 0;
699 285 }
700
701 178 static void av1_frame_replace(AV1Frame *dst, const AV1Frame *src)
702 {
703 av_assert1(dst != src);
704
705 178 av_refstruct_replace(&dst->header_ref, src->header_ref);
706
707 178 dst->raw_frame_header = src->raw_frame_header;
708
709 178 ff_progress_frame_replace(&dst->pf, &src->pf);
710
711 178 av_refstruct_replace(&dst->hwaccel_picture_private,
712 178 src->hwaccel_picture_private);
713
714 178 dst->spatial_id = src->spatial_id;
715 178 dst->temporal_id = src->temporal_id;
716 178 memcpy(dst->gm_invalid,
717 178 src->gm_invalid,
718 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
719 178 memcpy(dst->gm_type,
720 178 src->gm_type,
721 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
722 178 memcpy(dst->gm_params,
723 178 src->gm_params,
724 AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t));
725 178 memcpy(dst->skip_mode_frame_idx,
726 178 src->skip_mode_frame_idx,
727 2 * sizeof(uint8_t));
728 178 memcpy(&dst->film_grain,
729 178 &src->film_grain,
730 sizeof(dst->film_grain));
731 178 dst->coded_lossless = src->coded_lossless;
732
733 178 dst->order_hint = src->order_hint;
734 178 memcpy(dst->ref_frame_sign_bias, src->ref_frame_sign_bias,
735 sizeof(dst->ref_frame_sign_bias));
736 178 memcpy(dst->order_hints, src->order_hints,
737 sizeof(dst->order_hints));
738
739 178 dst->force_integer_mv = src->force_integer_mv;
740 178 }
741
742 29 static av_cold int av1_decode_free(AVCodecContext *avctx)
743 {
744 29 AV1DecContext *s = avctx->priv_data;
745 AV1RawMetadataITUTT35 itut_t35;
746
747
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261 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
748 232 av1_frame_unref(&s->ref[i]);
749 29 av1_frame_unref(&s->cur_frame);
750 29 av_buffer_unref(&s->seq_data_ref);
751 29 av_refstruct_unref(&s->seq_ref);
752 29 av_refstruct_unref(&s->header_ref);
753 29 av_refstruct_unref(&s->cll_ref);
754 29 av_refstruct_unref(&s->mdcv_ref);
755 29 av_freep(&s->tile_group_info);
756
757
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29 while (s->itut_t35_fifo && av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0)
758 av_buffer_unref(&itut_t35.payload_ref);
759 29 av_fifo_freep2(&s->itut_t35_fifo);
760
761 29 ff_cbs_fragment_free(&s->current_obu);
762 29 ff_cbs_close(&s->cbc);
763 29 ff_dovi_ctx_unref(&s->dovi);
764
765 29 return 0;
766 }
767
768 29 static int set_context_with_sequence(AVCodecContext *avctx,
769 const AV1RawSequenceHeader *seq)
770 {
771 29 int width = seq->max_frame_width_minus_1 + 1;
772 29 int height = seq->max_frame_height_minus_1 + 1;
773
774 29 avctx->profile = seq->seq_profile;
775 29 avctx->level = seq->seq_level_idx[0];
776
777
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29 if (seq->color_config.color_description_present_flag) {
778 avctx->color_range =
779 seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
780 avctx->color_primaries = seq->color_config.color_primaries;
781 avctx->colorspace = seq->color_config.matrix_coefficients;
782 avctx->color_trc = seq->color_config.transfer_characteristics;
783 }
784
785
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29 switch (seq->color_config.chroma_sample_position) {
786 4 case AV1_CSP_VERTICAL:
787 4 avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
788 4 break;
789 case AV1_CSP_COLOCATED:
790 avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
791 break;
792 }
793
794 #if FF_API_CODEC_PROPS
795 FF_DISABLE_DEPRECATION_WARNINGS
796
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29 if (seq->film_grain_params_present)
797 2 avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
798 else
799 27 avctx->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN;
800 FF_ENABLE_DEPRECATION_WARNINGS
801 #endif
802
803
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29 if (avctx->width != width || avctx->height != height) {
804 4 int ret = ff_set_dimensions(avctx, width, height);
805
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4 if (ret < 0)
806 return ret;
807 }
808
809
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29 if (seq->timing_info_present_flag)
810 4 avctx->framerate = ff_av1_framerate(1LL + seq->timing_info.num_ticks_per_picture_minus_1,
811 4 seq->timing_info.num_units_in_display_tick,
812 4 seq->timing_info.time_scale);
813
814
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29 if (avctx->pix_fmt == AV_PIX_FMT_NONE)
815 28 avctx->pix_fmt = get_sw_pixel_format(avctx, seq);
816
817 29 return 0;
818 }
819
820 static int update_context_with_frame_header(AVCodecContext *avctx,
821 const AV1RawFrameHeader *header)
822 {
823 AVRational aspect_ratio;
824 int width = header->frame_width_minus_1 + 1;
825 int height = header->frame_height_minus_1 + 1;
826 int r_width = header->render_width_minus_1 + 1;
827 int r_height = header->render_height_minus_1 + 1;
828 int ret;
829
830 if (avctx->width != width || avctx->height != height) {
831 ret = ff_set_dimensions(avctx, width, height);
832 if (ret < 0)
833 return ret;
834 }
835
836 av_reduce(&aspect_ratio.num, &aspect_ratio.den,
837 (int64_t)height * r_width,
838 (int64_t)width * r_height,
839 INT_MAX);
840
841 if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) {
842 ret = ff_set_sar(avctx, aspect_ratio);
843 if (ret < 0)
844 return ret;
845 }
846
847 return 0;
848 }
849
850 static const CodedBitstreamUnitType decompose_unit_types[] = {
851 AV1_OBU_FRAME,
852 AV1_OBU_FRAME_HEADER,
853 AV1_OBU_METADATA,
854 AV1_OBU_REDUNDANT_FRAME_HEADER,
855 AV1_OBU_SEQUENCE_HEADER,
856 AV1_OBU_TEMPORAL_DELIMITER,
857 AV1_OBU_TILE_GROUP,
858 };
859
860 29 static av_cold int av1_decode_init(AVCodecContext *avctx)
861 {
862 29 AV1DecContext *s = avctx->priv_data;
863 AV1RawSequenceHeader *seq;
864 const AVPacketSideData *sd;
865 int ret;
866
867 29 s->avctx = avctx;
868 29 s->pkt = avctx->internal->in_pkt;
869 29 s->pix_fmt = AV_PIX_FMT_NONE;
870
871 29 ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx);
872
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29 if (ret < 0)
873 return ret;
874
875 29 s->cbc->decompose_unit_types = decompose_unit_types;
876 29 s->cbc->nb_decompose_unit_types = FF_ARRAY_ELEMS(decompose_unit_types);
877
878 29 s->itut_t35_fifo = av_fifo_alloc2(1, sizeof(AV1RawMetadataITUTT35),
879 AV_FIFO_FLAG_AUTO_GROW);
880
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29 if (!s->itut_t35_fifo)
881 return AVERROR(ENOMEM);
882
883 29 av_opt_set_int(s->cbc->priv_data, "operating_point", s->operating_point, 0);
884
885
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29 if (avctx->extradata && avctx->extradata_size) {
886 9 ret = ff_cbs_read_extradata_from_codec(s->cbc,
887 &s->current_obu,
888 avctx);
889
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9 if (ret < 0) {
890 av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n");
891 goto end;
892 }
893
894 9 seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header;
895
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9 if (!seq) {
896
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2 if (!(avctx->extradata[0] & 0x80))
897 av_log(avctx, AV_LOG_WARNING, "No sequence header available in extradata.\n");
898 2 goto end;
899 }
900
901 7 ret = set_context_with_sequence(avctx, seq);
902
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7 if (ret < 0) {
903 av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n");
904 goto end;
905 }
906
907 7 end:
908 9 ff_cbs_fragment_reset(&s->current_obu);
909 }
910
911 29 s->dovi.logctx = avctx;
912 29 s->dovi.cfg.dv_profile = 10; // default for AV1
913 29 sd = ff_get_coded_side_data(avctx, AV_PKT_DATA_DOVI_CONF);
914
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29 if (sd && sd->size >= sizeof(s->dovi.cfg))
915 s->dovi.cfg = *(AVDOVIDecoderConfigurationRecord *) sd->data;
916
917 29 return ret;
918 }
919
920 static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f)
921 {
922 AV1DecContext *s = avctx->priv_data;
923 AV1RawFrameHeader *header= s->raw_frame_header;
924 AVFrame *frame;
925 int ret;
926
927 ret = update_context_with_frame_header(avctx, header);
928 if (ret < 0) {
929 av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n");
930 return ret;
931 }
932
933 ret = ff_progress_frame_get_buffer(avctx, &f->pf, AV_GET_BUFFER_FLAG_REF);
934 if (ret < 0)
935 goto fail;
936
937 frame = f->f;
938 if (header->frame_type == AV1_FRAME_KEY)
939 frame->flags |= AV_FRAME_FLAG_KEY;
940 else
941 frame->flags &= ~AV_FRAME_FLAG_KEY;
942
943 switch (header->frame_type) {
944 case AV1_FRAME_KEY:
945 case AV1_FRAME_INTRA_ONLY:
946 frame->pict_type = AV_PICTURE_TYPE_I;
947 break;
948 case AV1_FRAME_INTER:
949 frame->pict_type = AV_PICTURE_TYPE_P;
950 break;
951 case AV1_FRAME_SWITCH:
952 frame->pict_type = AV_PICTURE_TYPE_SP;
953 break;
954 }
955
956 ret = ff_hwaccel_frame_priv_alloc(avctx, &f->hwaccel_picture_private);
957 if (ret < 0)
958 goto fail;
959
960 return 0;
961
962 fail:
963 av1_frame_unref(f);
964 return ret;
965 }
966
967 static int export_itut_t35(AVCodecContext *avctx, AVFrame *frame,
968 const AV1RawMetadataITUTT35 *itut_t35)
969 {
970 GetByteContext gb;
971 AV1DecContext *s = avctx->priv_data;
972 int ret, provider_code, country_code;
973
974 bytestream2_init(&gb, itut_t35->payload, itut_t35->payload_size);
975
976 provider_code = bytestream2_get_be16(&gb);
977 country_code = itut_t35->itu_t_t35_country_code ;
978 if (country_code == ITU_T_T35_COUNTRY_CODE_US && provider_code == ITU_T_T35_PROVIDER_CODE_ATSC) {
979 uint32_t user_identifier = bytestream2_get_be32(&gb);
980 switch (user_identifier) {
981 case MKBETAG('G', 'A', '9', '4'): { // closed captions
982 AVBufferRef *buf = NULL;
983
984 ret = ff_parse_a53_cc(&buf, gb.buffer, bytestream2_get_bytes_left(&gb));
985 if (ret < 0)
986 return ret;
987 if (!ret)
988 break;
989
990 ret = ff_frame_new_side_data_from_buf(avctx, frame, AV_FRAME_DATA_A53_CC, &buf);
991 if (ret < 0)
992 return ret;
993
994 #if FF_API_CODEC_PROPS
995 FF_DISABLE_DEPRECATION_WARNINGS
996 avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
997 FF_ENABLE_DEPRECATION_WARNINGS
998 #endif
999 break;
1000 }
1001 default: // ignore unsupported identifiers
1002 break;
1003 }
1004 } else if (country_code == ITU_T_T35_COUNTRY_CODE_US && provider_code == ITU_T_T35_PROVIDER_CODE_SAMSUNG) {
1005 AVDynamicHDRPlus *hdrplus;
1006 int provider_oriented_code = bytestream2_get_be16(&gb);
1007 int application_identifier = bytestream2_get_byte(&gb);
1008
1009 if (provider_oriented_code != 1 || application_identifier != 4)
1010 return 0; // ignore
1011
1012 hdrplus = av_dynamic_hdr_plus_create_side_data(frame);
1013 if (!hdrplus)
1014 return AVERROR(ENOMEM);
1015
1016 ret = av_dynamic_hdr_plus_from_t35(hdrplus, gb.buffer,
1017 bytestream2_get_bytes_left(&gb));
1018 if (ret < 0)
1019 return ret;
1020 } else if (country_code == ITU_T_T35_COUNTRY_CODE_US && provider_code == ITU_T_T35_PROVIDER_CODE_DOLBY) {
1021 int provider_oriented_code = bytestream2_get_be32(&gb);
1022 if (provider_oriented_code != 0x800)
1023 return 0; // ignore
1024
1025 ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, bytestream2_get_bytes_left(&gb),
1026 avctx->err_recognition);
1027 if (ret < 0) {
1028 av_log(avctx, AV_LOG_WARNING, "Error parsing DOVI OBU.\n");
1029 return 0; // ignore
1030 }
1031
1032 ret = ff_dovi_attach_side_data(&s->dovi, frame);
1033 if (ret < 0)
1034 return ret;
1035 } else {
1036 // ignore unsupported provider codes
1037 }
1038
1039 return 0;
1040 }
1041
1042 static int export_metadata(AVCodecContext *avctx, AVFrame *frame)
1043 {
1044 AV1DecContext *s = avctx->priv_data;
1045 AV1RawMetadataITUTT35 itut_t35;
1046 int ret = 0;
1047
1048 if (s->mdcv) {
1049 AVMasteringDisplayMetadata *mastering;
1050
1051 ret = ff_decode_mastering_display_new(avctx, frame, &mastering);
1052 if (ret < 0)
1053 return ret;
1054
1055 if (mastering) {
1056 for (int i = 0; i < 3; i++) {
1057 mastering->display_primaries[i][0] = av_make_q(s->mdcv->primary_chromaticity_x[i], 1 << 16);
1058 mastering->display_primaries[i][1] = av_make_q(s->mdcv->primary_chromaticity_y[i], 1 << 16);
1059 }
1060 mastering->white_point[0] = av_make_q(s->mdcv->white_point_chromaticity_x, 1 << 16);
1061 mastering->white_point[1] = av_make_q(s->mdcv->white_point_chromaticity_y, 1 << 16);
1062
1063 mastering->max_luminance = av_make_q(s->mdcv->luminance_max, 1 << 8);
1064 mastering->min_luminance = av_make_q(s->mdcv->luminance_min, 1 << 14);
1065
1066 mastering->has_primaries = 1;
1067 mastering->has_luminance = 1;
1068 }
1069 }
1070
1071 if (s->cll) {
1072 AVContentLightMetadata *light;
1073
1074 ret = ff_decode_content_light_new(avctx, frame, &light);
1075 if (ret < 0)
1076 return ret;
1077
1078 if (light) {
1079 light->MaxCLL = s->cll->max_cll;
1080 light->MaxFALL = s->cll->max_fall;
1081 }
1082 }
1083
1084 while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0) {
1085 if (ret >= 0)
1086 ret = export_itut_t35(avctx, frame, &itut_t35);
1087 av_buffer_unref(&itut_t35.payload_ref);
1088 }
1089
1090 return ret;
1091 }
1092
1093 static int export_film_grain(AVCodecContext *avctx, AVFrame *frame)
1094 {
1095 AV1DecContext *s = avctx->priv_data;
1096 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
1097 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(frame->format);
1098 AVFilmGrainParams *fgp;
1099 AVFilmGrainAOMParams *aom;
1100
1101 av_assert0(pixdesc);
1102 if (!film_grain->apply_grain)
1103 return 0;
1104
1105 fgp = av_film_grain_params_create_side_data(frame);
1106 if (!fgp)
1107 return AVERROR(ENOMEM);
1108
1109 fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
1110 fgp->seed = film_grain->grain_seed;
1111 fgp->width = frame->width;
1112 fgp->height = frame->height;
1113 fgp->color_range = frame->color_range;
1114 fgp->color_primaries = frame->color_primaries;
1115 fgp->color_trc = frame->color_trc;
1116 fgp->color_space = frame->colorspace;
1117 fgp->subsampling_x = pixdesc->log2_chroma_w;
1118 fgp->subsampling_y = pixdesc->log2_chroma_h;
1119
1120 aom = &fgp->codec.aom;
1121 aom->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;
1122 aom->scaling_shift = film_grain->grain_scaling_minus_8 + 8;
1123 aom->ar_coeff_lag = film_grain->ar_coeff_lag;
1124 aom->ar_coeff_shift = film_grain->ar_coeff_shift_minus_6 + 6;
1125 aom->grain_scale_shift = film_grain->grain_scale_shift;
1126 aom->overlap_flag = film_grain->overlap_flag;
1127 aom->limit_output_range = film_grain->clip_to_restricted_range;
1128
1129 aom->num_y_points = film_grain->num_y_points;
1130 for (int i = 0; i < film_grain->num_y_points; i++) {
1131 aom->y_points[i][0] = film_grain->point_y_value[i];
1132 aom->y_points[i][1] = film_grain->point_y_scaling[i];
1133 }
1134 aom->num_uv_points[0] = film_grain->num_cb_points;
1135 for (int i = 0; i < film_grain->num_cb_points; i++) {
1136 aom->uv_points[0][i][0] = film_grain->point_cb_value[i];
1137 aom->uv_points[0][i][1] = film_grain->point_cb_scaling[i];
1138 }
1139 aom->num_uv_points[1] = film_grain->num_cr_points;
1140 for (int i = 0; i < film_grain->num_cr_points; i++) {
1141 aom->uv_points[1][i][0] = film_grain->point_cr_value[i];
1142 aom->uv_points[1][i][1] = film_grain->point_cr_scaling[i];
1143 }
1144
1145 for (int i = 0; i < 24; i++) {
1146 aom->ar_coeffs_y[i] = film_grain->ar_coeffs_y_plus_128[i] - 128;
1147 }
1148 for (int i = 0; i < 25; i++) {
1149 aom->ar_coeffs_uv[0][i] = film_grain->ar_coeffs_cb_plus_128[i] - 128;
1150 aom->ar_coeffs_uv[1][i] = film_grain->ar_coeffs_cr_plus_128[i] - 128;
1151 }
1152
1153 aom->uv_mult[0] = film_grain->cb_mult;
1154 aom->uv_mult[1] = film_grain->cr_mult;
1155 aom->uv_mult_luma[0] = film_grain->cb_luma_mult;
1156 aom->uv_mult_luma[1] = film_grain->cr_luma_mult;
1157 aom->uv_offset[0] = film_grain->cb_offset;
1158 aom->uv_offset[1] = film_grain->cr_offset;
1159
1160 return 0;
1161 }
1162
1163 static int set_output_frame(AVCodecContext *avctx, AVFrame *frame)
1164 {
1165 AV1DecContext *s = avctx->priv_data;
1166 const AVFrame *srcframe = s->cur_frame.f;
1167 AVPacket *pkt = s->pkt;
1168 int ret;
1169
1170 // TODO: all layers
1171 if (s->operating_point_idc &&
1172 av_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
1173 return 0;
1174
1175 ret = av_frame_ref(frame, srcframe);
1176 if (ret < 0)
1177 return ret;
1178
1179 ret = export_metadata(avctx, frame);
1180 if (ret < 0) {
1181 av_frame_unref(frame);
1182 return ret;
1183 }
1184
1185 if (avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) {
1186 ret = export_film_grain(avctx, frame);
1187 if (ret < 0) {
1188 av_frame_unref(frame);
1189 return ret;
1190 }
1191 }
1192
1193 frame->pts = pkt->pts;
1194 frame->pkt_dts = pkt->dts;
1195
1196 av_packet_unref(pkt);
1197
1198 return 0;
1199 }
1200
1201 24 static void update_reference_list(AVCodecContext *avctx)
1202 {
1203 24 AV1DecContext *s = avctx->priv_data;
1204 24 const AV1RawFrameHeader *header = s->raw_frame_header;
1205
1206
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216 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
1207
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192 if (header->refresh_frame_flags & (1 << i))
1208 178 av1_frame_replace(&s->ref[i], &s->cur_frame);
1209 }
1210 24 }
1211
1212 24 static int get_current_frame(AVCodecContext *avctx)
1213 {
1214 24 AV1DecContext *s = avctx->priv_data;
1215 int ret;
1216
1217 24 av1_frame_unref(&s->cur_frame);
1218
1219 24 s->cur_frame.header_ref = av_refstruct_ref(s->header_ref);
1220
1221 24 s->cur_frame.raw_frame_header = s->raw_frame_header;
1222
1223 24 ret = init_tile_data(s);
1224
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24 if (ret < 0) {
1225 av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n");
1226 return ret;
1227 }
1228
1229
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24 if ((avctx->skip_frame >= AVDISCARD_NONINTRA &&
1230
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24 (s->raw_frame_header->frame_type != AV1_FRAME_KEY &&
1231
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2 s->raw_frame_header->frame_type != AV1_FRAME_INTRA_ONLY)) ||
1232
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22 (avctx->skip_frame >= AVDISCARD_NONKEY &&
1233
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22 s->raw_frame_header->frame_type != AV1_FRAME_KEY) ||
1234
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22 avctx->skip_frame >= AVDISCARD_ALL)
1235 24 return 0;
1236
1237 if (s->pix_fmt == AV_PIX_FMT_NONE) {
1238 ret = get_pixel_format(avctx);
1239 if (ret < 0) {
1240 av_log(avctx, AV_LOG_ERROR, "Failed to get pixel format.\n");
1241 return ret;
1242 }
1243
1244 if (!ret && FF_HW_HAS_CB(avctx, decode_params)) {
1245 ret = FF_HW_CALL(avctx, decode_params, AV1_OBU_SEQUENCE_HEADER,
1246 s->seq_data_ref->data, s->seq_data_ref->size);
1247 if (ret < 0) {
1248 av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
1249 return ret;
1250 }
1251 }
1252 }
1253
1254 ret = av1_frame_alloc(avctx, &s->cur_frame);
1255 if (ret < 0) {
1256 av_log(avctx, AV_LOG_ERROR,
1257 "Failed to allocate space for current frame.\n");
1258 return ret;
1259 }
1260
1261 global_motion_params(s);
1262 skip_mode_params(s);
1263 coded_lossless_param(s);
1264 order_hint_info(s);
1265 load_grain_params(s);
1266
1267 s->cur_frame.force_integer_mv =
1268 s->raw_frame_header->force_integer_mv ||
1269 s->raw_frame_header->frame_type == AV1_FRAME_KEY ||
1270 s->raw_frame_header->frame_type == AV1_FRAME_INTRA_ONLY;
1271
1272 return ret;
1273 }
1274
1275 24 static int av1_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
1276 {
1277 24 AV1DecContext *s = avctx->priv_data;
1278 24 AV1RawTileGroup *raw_tile_group = NULL;
1279 24 int i = 0, ret;
1280
1281
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83 for (i = s->nb_unit; i < s->current_obu.nb_units; i++) {
1282 83 CodedBitstreamUnit *unit = &s->current_obu.units[i];
1283 83 AV1RawOBU *obu = unit->content;
1284 const AV1RawOBUHeader *header;
1285
1286 83 av_log(avctx, AV_LOG_DEBUG, "OBU idx:%d, type:%d, content available:%d.\n", i, unit->type, !!obu);
1287
1288
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83 if (unit->type == AV1_OBU_TILE_LIST) {
1289 av_log(avctx, AV_LOG_ERROR, "Large scale tile decoding is unsupported.\n");
1290 ret = AVERROR_PATCHWELCOME;
1291 goto end;
1292 }
1293
1294
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83 if (!obu)
1295 continue;
1296
1297 83 header = &obu->header;
1298
1299
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83 switch (unit->type) {
1300 22 case AV1_OBU_SEQUENCE_HEADER:
1301 22 ret = av_buffer_replace(&s->seq_data_ref, unit->data_ref);
1302
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22 if (ret < 0)
1303 goto end;
1304
1305 22 s->seq_data_ref->data = unit->data;
1306 22 s->seq_data_ref->size = unit->data_size;
1307 22 av_refstruct_replace(&s->seq_ref, unit->content_ref);
1308
1309 22 s->raw_seq = &obu->obu.sequence_header;
1310
1311 22 ret = set_context_with_sequence(avctx, s->raw_seq);
1312
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22 if (ret < 0) {
1313 av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n");
1314 s->raw_seq = NULL;
1315 goto end;
1316 }
1317
1318 22 s->operating_point_idc = s->raw_seq->operating_point_idc[s->operating_point];
1319
1320 22 s->pix_fmt = AV_PIX_FMT_NONE;
1321
1322
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22 if (FF_HW_HAS_CB(avctx, decode_params)) {
1323 ret = FF_HW_CALL(avctx, decode_params, AV1_OBU_SEQUENCE_HEADER,
1324 s->seq_data_ref->data, s->seq_data_ref->size);
1325 if (ret < 0) {
1326 av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
1327 return ret;
1328 }
1329 }
1330
1331 22 break;
1332 case AV1_OBU_REDUNDANT_FRAME_HEADER:
1333 if (s->raw_frame_header)
1334 break;
1335 // fall-through
1336 case AV1_OBU_FRAME:
1337 case AV1_OBU_FRAME_HEADER:
1338
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24 if (!s->raw_seq) {
1339 av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
1340 ret = AVERROR_INVALIDDATA;
1341 goto end;
1342 }
1343
1344 24 av_refstruct_replace(&s->header_ref, unit->content_ref);
1345
1346
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24 if (unit->type == AV1_OBU_FRAME)
1347 19 s->raw_frame_header = &obu->obu.frame.header;
1348 else
1349 5 s->raw_frame_header = &obu->obu.frame_header;
1350
1351
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24 if (s->raw_frame_header->show_existing_frame) {
1352 av1_frame_replace(&s->cur_frame,
1353 &s->ref[s->raw_frame_header->frame_to_show_map_idx]);
1354
1355 update_reference_list(avctx);
1356
1357 if (s->cur_frame.f) {
1358 ret = set_output_frame(avctx, frame);
1359 if (ret < 0) {
1360 av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n");
1361 goto end;
1362 }
1363 }
1364
1365 s->raw_frame_header = NULL;
1366 i++;
1367 ret = 0;
1368
1369 goto end;
1370 }
1371
1372 24 ret = get_current_frame(avctx);
1373
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24 if (ret < 0) {
1374 av_log(avctx, AV_LOG_ERROR, "Get current frame error\n");
1375 goto end;
1376 }
1377
1378 24 s->cur_frame.spatial_id = header->spatial_id;
1379 24 s->cur_frame.temporal_id = header->temporal_id;
1380
1381
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24 if (avctx->hwaccel && s->cur_frame.f) {
1382 ret = FF_HW_CALL(avctx, start_frame, s->pkt->buf,
1383 unit->data, unit->data_size);
1384 if (ret < 0) {
1385 av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n");
1386 goto end;
1387 }
1388 }
1389
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24 if (unit->type != AV1_OBU_FRAME)
1390 5 break;
1391 // fall-through
1392 case AV1_OBU_TILE_GROUP:
1393
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32 if (!s->raw_frame_header) {
1394 av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n");
1395 ret = AVERROR_INVALIDDATA;
1396 goto end;
1397 }
1398
1399
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32 if (unit->type == AV1_OBU_FRAME)
1400 19 raw_tile_group = &obu->obu.frame.tile_group;
1401 else
1402 13 raw_tile_group = &obu->obu.tile_group;
1403
1404 32 ret = get_tiles_info(avctx, raw_tile_group);
1405
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32 if (ret < 0)
1406 goto end;
1407
1408
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32 if (avctx->hwaccel && s->cur_frame.f) {
1409 ret = FF_HW_CALL(avctx, decode_slice, raw_tile_group->tile_data.data,
1410 raw_tile_group->tile_data.data_size);
1411 if (ret < 0) {
1412 av_log(avctx, AV_LOG_ERROR,
1413 "HW accel decode slice fail.\n");
1414 goto end;
1415 }
1416 }
1417 32 break;
1418 20 case AV1_OBU_TILE_LIST:
1419 case AV1_OBU_TEMPORAL_DELIMITER:
1420 case AV1_OBU_PADDING:
1421 20 break;
1422 4 case AV1_OBU_METADATA:
1423
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4 switch (obu->obu.metadata.metadata_type) {
1424 2 case AV1_METADATA_TYPE_HDR_CLL:
1425 2 av_refstruct_replace(&s->cll_ref, unit->content_ref);
1426 2 s->cll = &obu->obu.metadata.metadata.hdr_cll;
1427 2 break;
1428 2 case AV1_METADATA_TYPE_HDR_MDCV:
1429 2 av_refstruct_replace(&s->mdcv_ref, unit->content_ref);
1430 2 s->mdcv = &obu->obu.metadata.metadata.hdr_mdcv;
1431 2 break;
1432 case AV1_METADATA_TYPE_ITUT_T35: {
1433 AV1RawMetadataITUTT35 itut_t35;
1434 memcpy(&itut_t35, &obu->obu.metadata.metadata.itut_t35, sizeof(itut_t35));
1435 itut_t35.payload_ref = av_buffer_ref(obu->obu.metadata.metadata.itut_t35.payload_ref);
1436 if (!itut_t35.payload_ref) {
1437 ret = AVERROR(ENOMEM);
1438 goto end;
1439 }
1440 ret = av_fifo_write(s->itut_t35_fifo, &itut_t35, 1);
1441 if (ret < 0) {
1442 av_buffer_unref(&itut_t35.payload_ref);
1443 goto end;
1444 }
1445 break;
1446 }
1447 default:
1448 break;
1449 }
1450 4 break;
1451 default:
1452 av_log(avctx, AV_LOG_DEBUG,
1453 "Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n",
1454 unit->type, unit->data_size);
1455 }
1456
1457
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83 if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
1458 24 int show_frame = s->raw_frame_header->show_frame;
1459 // Set nb_unit to point at the next OBU, to indicate which
1460 // OBUs have been processed for this current frame. (If this
1461 // frame gets output, we set nb_unit to this value later too.)
1462 24 s->nb_unit = i + 1;
1463
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24 if (avctx->hwaccel && s->cur_frame.f) {
1464 ret = FF_HW_SIMPLE_CALL(avctx, end_frame);
1465 if (ret < 0) {
1466 av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n");
1467 goto end;
1468 }
1469 }
1470
1471 24 update_reference_list(avctx);
1472
1473 // Set start_unit to indicate the first OBU of the next frame.
1474 24 s->start_unit = s->nb_unit;
1475 24 raw_tile_group = NULL;
1476 24 s->raw_frame_header = NULL;
1477
1478
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24 if (show_frame) {
1479 // cur_frame.f needn't exist due to skip_frame.
1480
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24 if (s->cur_frame.f) {
1481 ret = set_output_frame(avctx, frame);
1482 if (ret < 0) {
1483 av_log(avctx, AV_LOG_ERROR, "Set output frame error\n");
1484 goto end;
1485 }
1486 }
1487 24 i++;
1488 24 ret = 0;
1489 24 goto end;
1490 }
1491 }
1492 }
1493
1494 ret = AVERROR(EAGAIN);
1495 24 end:
1496
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24 av_assert0(i <= s->current_obu.nb_units);
1497 24 s->nb_unit = i;
1498
1499
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24 if ((ret < 0 && ret != AVERROR(EAGAIN)) || s->current_obu.nb_units == i) {
1500
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22 if (ret < 0)
1501 s->raw_frame_header = NULL;
1502 22 av_packet_unref(s->pkt);
1503 22 ff_cbs_fragment_reset(&s->current_obu);
1504 22 s->nb_unit = s->start_unit = 0;
1505 }
1506
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24 if (!ret && !frame->buf[0])
1507 24 ret = AVERROR(EAGAIN);
1508
1509 24 return ret;
1510 }
1511
1512 44 static int av1_receive_frame(AVCodecContext *avctx, AVFrame *frame)
1513 {
1514 44 AV1DecContext *s = avctx->priv_data;
1515 int ret;
1516
1517 do {
1518
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68 if (!s->current_obu.nb_units) {
1519 66 ret = ff_decode_get_packet(avctx, s->pkt);
1520
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66 if (ret < 0)
1521 44 return ret;
1522
1523 22 ret = ff_cbs_read_packet(s->cbc, &s->current_obu, s->pkt);
1524
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22 if (ret < 0) {
1525 ff_cbs_fragment_reset(&s->current_obu);
1526 av_packet_unref(s->pkt);
1527 av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
1528 return ret;
1529 }
1530
1531 22 s->nb_unit = s->start_unit = 0;
1532 22 av_log(avctx, AV_LOG_DEBUG, "Total OBUs on this packet: %d.\n",
1533 s->current_obu.nb_units);
1534 }
1535
1536 24 ret = av1_receive_frame_internal(avctx, frame);
1537
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24 } while (ret == AVERROR(EAGAIN));
1538
1539 return ret;
1540 }
1541
1542 static av_cold void av1_decode_flush(AVCodecContext *avctx)
1543 {
1544 AV1DecContext *s = avctx->priv_data;
1545 AV1RawMetadataITUTT35 itut_t35;
1546
1547 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
1548 av1_frame_unref(&s->ref[i]);
1549
1550 av1_frame_unref(&s->cur_frame);
1551 s->operating_point_idc = 0;
1552 s->nb_unit = s->start_unit = 0;
1553 s->raw_frame_header = NULL;
1554 s->raw_seq = NULL;
1555 s->cll = NULL;
1556 s->mdcv = NULL;
1557 while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0)
1558 av_buffer_unref(&itut_t35.payload_ref);
1559
1560 ff_cbs_fragment_reset(&s->current_obu);
1561 ff_cbs_flush(s->cbc);
1562
1563 if (FF_HW_HAS_CB(avctx, flush))
1564 FF_HW_SIMPLE_CALL(avctx, flush);
1565 }
1566
1567 #define OFFSET(x) offsetof(AV1DecContext, x)
1568 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
1569 static const AVOption av1_options[] = {
1570 { "operating_point", "Select an operating point of the scalable bitstream",
1571 OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, AV1_MAX_OPERATING_POINTS - 1, VD },
1572 { NULL }
1573 };
1574
1575 static const AVClass av1_class = {
1576 .class_name = "AV1 decoder",
1577 .item_name = av_default_item_name,
1578 .option = av1_options,
1579 .version = LIBAVUTIL_VERSION_INT,
1580 };
1581
1582 const FFCodec ff_av1_decoder = {
1583 .p.name = "av1",
1584 CODEC_LONG_NAME("Alliance for Open Media AV1"),
1585 .p.type = AVMEDIA_TYPE_VIDEO,
1586 .p.id = AV_CODEC_ID_AV1,
1587 .priv_data_size = sizeof(AV1DecContext),
1588 .init = av1_decode_init,
1589 .close = av1_decode_free,
1590 FF_CODEC_RECEIVE_FRAME_CB(av1_receive_frame),
1591 .p.capabilities = AV_CODEC_CAP_DR1,
1592 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP |
1593 FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM |
1594 FF_CODEC_CAP_USES_PROGRESSFRAMES,
1595 .flush = av1_decode_flush,
1596 .p.profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
1597 .p.priv_class = &av1_class,
1598 .hw_configs = (const AVCodecHWConfigInternal *const []) {
1599 #if CONFIG_AV1_DXVA2_HWACCEL
1600 HWACCEL_DXVA2(av1),
1601 #endif
1602 #if CONFIG_AV1_D3D11VA_HWACCEL
1603 HWACCEL_D3D11VA(av1),
1604 #endif
1605 #if CONFIG_AV1_D3D11VA2_HWACCEL
1606 HWACCEL_D3D11VA2(av1),
1607 #endif
1608 #if CONFIG_AV1_D3D12VA_HWACCEL
1609 HWACCEL_D3D12VA(av1),
1610 #endif
1611 #if CONFIG_AV1_NVDEC_HWACCEL
1612 HWACCEL_NVDEC(av1),
1613 #endif
1614 #if CONFIG_AV1_VAAPI_HWACCEL
1615 HWACCEL_VAAPI(av1),
1616 #endif
1617 #if CONFIG_AV1_VDPAU_HWACCEL
1618 HWACCEL_VDPAU(av1),
1619 #endif
1620 #if CONFIG_AV1_VIDEOTOOLBOX_HWACCEL
1621 HWACCEL_VIDEOTOOLBOX(av1),
1622 #endif
1623 #if CONFIG_AV1_VULKAN_HWACCEL
1624 HWACCEL_VULKAN(av1),
1625 #endif
1626
1627 NULL
1628 },
1629 };
1630