FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/av1dec.c
Date: 2023-06-04 16:45:34
Exec Total Coverage
Lines: 169 864 19.6%
Functions: 7 32 21.9%
Branches: 64 477 13.4%
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/hdr_dynamic_metadata.h"
24 #include "libavutil/film_grain_params.h"
25 #include "libavutil/mastering_display_metadata.h"
26 #include "libavutil/pixdesc.h"
27 #include "libavutil/opt.h"
28 #include "avcodec.h"
29 #include "av1_parse.h"
30 #include "decode.h"
31 #include "av1dec.h"
32 #include "atsc_a53.h"
33 #include "bytestream.h"
34 #include "codec_internal.h"
35 #include "decode.h"
36 #include "internal.h"
37 #include "hwconfig.h"
38 #include "profiles.h"
39 #include "thread.h"
40
41 /**< same with Div_Lut defined in spec 7.11.3.7 */
42 static const uint16_t div_lut[AV1_DIV_LUT_NUM] = {
43 16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768,
44 15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142,
45 15087, 15033, 14980, 14926, 14873, 14821, 14769, 14717, 14665, 14614, 14564,
46 14513, 14463, 14413, 14364, 14315, 14266, 14218, 14170, 14122, 14075, 14028,
47 13981, 13935, 13888, 13843, 13797, 13752, 13707, 13662, 13618, 13574, 13530,
48 13487, 13443, 13400, 13358, 13315, 13273, 13231, 13190, 13148, 13107, 13066,
49 13026, 12985, 12945, 12906, 12866, 12827, 12788, 12749, 12710, 12672, 12633,
50 12596, 12558, 12520, 12483, 12446, 12409, 12373, 12336, 12300, 12264, 12228,
51 12193, 12157, 12122, 12087, 12053, 12018, 11984, 11950, 11916, 11882, 11848,
52 11815, 11782, 11749, 11716, 11683, 11651, 11619, 11586, 11555, 11523, 11491,
53 11460, 11429, 11398, 11367, 11336, 11305, 11275, 11245, 11215, 11185, 11155,
54 11125, 11096, 11067, 11038, 11009, 10980, 10951, 10923, 10894, 10866, 10838,
55 10810, 10782, 10755, 10727, 10700, 10673, 10645, 10618, 10592, 10565, 10538,
56 10512, 10486, 10460, 10434, 10408, 10382, 10356, 10331, 10305, 10280, 10255,
57 10230, 10205, 10180, 10156, 10131, 10107, 10082, 10058, 10034, 10010, 9986,
58 9963, 9939, 9916, 9892, 9869, 9846, 9823, 9800, 9777, 9754, 9732,
59 9709, 9687, 9664, 9642, 9620, 9598, 9576, 9554, 9533, 9511, 9489,
60 9468, 9447, 9425, 9404, 9383, 9362, 9341, 9321, 9300, 9279, 9259,
61 9239, 9218, 9198, 9178, 9158, 9138, 9118, 9098, 9079, 9059, 9039,
62 9020, 9001, 8981, 8962, 8943, 8924, 8905, 8886, 8867, 8849, 8830,
63 8812, 8793, 8775, 8756, 8738, 8720, 8702, 8684, 8666, 8648, 8630,
64 8613, 8595, 8577, 8560, 8542, 8525, 8508, 8490, 8473, 8456, 8439,
65 8422, 8405, 8389, 8372, 8355, 8339, 8322, 8306, 8289, 8273, 8257,
66 8240, 8224, 8208, 8192
67 };
68
69 ✗ static uint32_t inverse_recenter(int r, uint32_t v)
70 {
71 ✗ if (v > 2 * r)
72 ✗ return v;
73 ✗ else if (v & 1)
74 ✗ return r - ((v + 1) >> 1);
75 else
76 ✗ return r + (v >> 1);
77 }
78
79 ✗ static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp,
80 int mx, int r)
81 {
82 ✗ if ((r << 1) <= mx) {
83 ✗ return inverse_recenter(r, sub_exp);
84 } else {
85 ✗ return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
86 }
87 }
88
89 ✗ static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low,
90 int high, int r)
91 {
92 ✗ int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
93 ✗ return x + low;
94 }
95
96 ✗ static void read_global_param(AV1DecContext *s, int type, int ref, int idx)
97 {
98 uint8_t primary_frame, prev_frame;
99 uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx;
100 int32_t r, prev_gm_param;
101
102 ✗ primary_frame = s->raw_frame_header->primary_ref_frame;
103 ✗ prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
104 ✗ abs_bits = AV1_GM_ABS_ALPHA_BITS;
105 ✗ prec_bits = AV1_GM_ALPHA_PREC_BITS;
106
107 /* setup_past_independence() sets PrevGmParams to default values. We can
108 * simply point to the current's frame gm_params as they will be initialized
109 * with defaults at this point.
110 */
111 ✗ if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
112 ✗ prev_gm_param = s->cur_frame.gm_params[ref][idx];
113 else
114 ✗ prev_gm_param = s->ref[prev_frame].gm_params[ref][idx];
115
116 ✗ if (idx < 2) {
117 ✗ if (type == AV1_WARP_MODEL_TRANSLATION) {
118 ✗ abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS -
119 ✗ !s->raw_frame_header->allow_high_precision_mv;
120 ✗ prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS -
121 ✗ !s->raw_frame_header->allow_high_precision_mv;
122 } else {
123 ✗ abs_bits = AV1_GM_ABS_TRANS_BITS;
124 ✗ prec_bits = AV1_GM_TRANS_PREC_BITS;
125 }
126 }
127 ✗ round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0;
128 ✗ prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits;
129 ✗ sub = (idx % 3) == 2 ? (1 << prec_bits) : 0;
130 ✗ mx = 1 << abs_bits;
131 ✗ r = (prev_gm_param >> prec_diff) - sub;
132
133 ✗ s->cur_frame.gm_params[ref][idx] =
134 ✗ (decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
135 ✗ -mx, mx + 1, r) << prec_diff) + round;
136 }
137
138 ✗ static uint64_t round_two(uint64_t x, uint16_t n)
139 {
140 ✗ if (n == 0)
141 ✗ return x;
142 ✗ return ((x + ((uint64_t)1 << (n - 1))) >> n);
143 }
144
145 ✗ static int64_t round_two_signed(int64_t x, uint16_t n)
146 {
147 ✗ return ((x<0) ? -((int64_t)round_two(-x, n)) : (int64_t)round_two(x, n));
148 }
149
150 /**
151 * Resolve divisor process.
152 * see spec 7.11.3.7
153 */
154 ✗ static int16_t resolve_divisor(uint32_t d, uint16_t *shift)
155 {
156 int32_t e, f;
157
158 ✗ *shift = av_log2(d);
159 ✗ e = d - (1 << (*shift));
160 ✗ if (*shift > AV1_DIV_LUT_BITS)
161 ✗ f = round_two(e, *shift - AV1_DIV_LUT_BITS);
162 else
163 ✗ f = e << (AV1_DIV_LUT_BITS - (*shift));
164
165 ✗ *shift += AV1_DIV_LUT_PREC_BITS;
166
167 ✗ return div_lut[f];
168 }
169
170 /**
171 * check if global motion params is valid.
172 * see spec 7.11.3.6
173 */
174 ✗ static uint8_t get_shear_params_valid(AV1DecContext *s, int idx)
175 {
176 int16_t alpha, beta, gamma, delta, divf, divs;
177 int64_t v, w;
178 ✗ int32_t *param = &s->cur_frame.gm_params[idx][0];
179 ✗ if (param[2] < 0)
180 ✗ return 0;
181
182 ✗ alpha = av_clip_int16(param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS));
183 ✗ beta = av_clip_int16(param[3]);
184 ✗ divf = resolve_divisor(abs(param[2]), &divs);
185 ✗ v = (int64_t)param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS);
186 ✗ w = (int64_t)param[3] * param[4];
187 ✗ gamma = av_clip_int16((int)round_two_signed((v * divf), divs));
188 ✗ delta = av_clip_int16(param[5] - (int)round_two_signed((w * divf), divs) - (1 << AV1_WARPEDMODEL_PREC_BITS));
189
190 ✗ alpha = round_two_signed(alpha, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
191 ✗ beta = round_two_signed(beta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
192 ✗ gamma = round_two_signed(gamma, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
193 ✗ delta = round_two_signed(delta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
194
195 ✗ if ((4 * abs(alpha) + 7 * abs(beta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS) ||
196 ✗ (4 * abs(gamma) + 4 * abs(delta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS))
197 ✗ return 0;
198
199 ✗ return 1;
200 }
201
202 /**
203 * update gm type/params, since cbs already implemented part of this function,
204 * so we don't need to full implement spec.
205 */
206 ✗ static void global_motion_params(AV1DecContext *s)
207 {
208 ✗ const AV1RawFrameHeader *header = s->raw_frame_header;
209 int type, ref;
210
211 ✗ for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
212 ✗ s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY;
213 ✗ for (int i = 0; i < 6; i++)
214 ✗ s->cur_frame.gm_params[ref][i] = (i % 3 == 2) ?
215 ✗ 1 << AV1_WARPEDMODEL_PREC_BITS : 0;
216 }
217 ✗ if (header->frame_type == AV1_FRAME_KEY ||
218 ✗ header->frame_type == AV1_FRAME_INTRA_ONLY)
219 ✗ return;
220
221 ✗ for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
222 ✗ if (header->is_global[ref]) {
223 ✗ if (header->is_rot_zoom[ref]) {
224 ✗ type = AV1_WARP_MODEL_ROTZOOM;
225 } else {
226 ✗ type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION
227 ✗ : AV1_WARP_MODEL_AFFINE;
228 }
229 } else {
230 ✗ type = AV1_WARP_MODEL_IDENTITY;
231 }
232 ✗ s->cur_frame.gm_type[ref] = type;
233
234 ✗ if (type >= AV1_WARP_MODEL_ROTZOOM) {
235 ✗ read_global_param(s, type, ref, 2);
236 ✗ read_global_param(s, type, ref, 3);
237 ✗ if (type == AV1_WARP_MODEL_AFFINE) {
238 ✗ read_global_param(s, type, ref, 4);
239 ✗ read_global_param(s, type, ref, 5);
240 } else {
241 ✗ s->cur_frame.gm_params[ref][4] = -s->cur_frame.gm_params[ref][3];
242 ✗ s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2];
243 }
244 }
245 ✗ if (type >= AV1_WARP_MODEL_TRANSLATION) {
246 ✗ read_global_param(s, type, ref, 0);
247 ✗ read_global_param(s, type, ref, 1);
248 }
249 ✗ if (type <= AV1_WARP_MODEL_AFFINE) {
250 ✗ s->cur_frame.gm_invalid[ref] = !get_shear_params_valid(s, ref);
251 }
252 }
253 }
254
255 ✗ static int get_relative_dist(const AV1RawSequenceHeader *seq,
256 unsigned int a, unsigned int b)
257 {
258 ✗ unsigned int diff = a - b;
259 ✗ unsigned int m = 1 << seq->order_hint_bits_minus_1;
260 ✗ return (diff & (m - 1)) - (diff & m);
261 }
262
263 ✗ static void skip_mode_params(AV1DecContext *s)
264 {
265 ✗ const AV1RawFrameHeader *header = s->raw_frame_header;
266 ✗ const AV1RawSequenceHeader *seq = s->raw_seq;
267
268 int forward_idx, backward_idx;
269 int forward_hint, backward_hint;
270 int second_forward_idx, second_forward_hint;
271 int ref_hint, dist, i;
272
273 ✗ if (header->frame_type == AV1_FRAME_KEY ||
274 ✗ header->frame_type == AV1_FRAME_INTRA_ONLY ||
275 ✗ !header->reference_select || !seq->enable_order_hint)
276 ✗ return;
277
278 ✗ forward_idx = -1;
279 ✗ backward_idx = -1;
280 ✗ for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
281 ✗ ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint;
282 ✗ dist = get_relative_dist(seq, ref_hint, header->order_hint);
283 ✗ if (dist < 0) {
284 ✗ if (forward_idx < 0 ||
285 ✗ get_relative_dist(seq, ref_hint, forward_hint) > 0) {
286 ✗ forward_idx = i;
287 ✗ forward_hint = ref_hint;
288 }
289 ✗ } else if (dist > 0) {
290 ✗ if (backward_idx < 0 ||
291 ✗ get_relative_dist(seq, ref_hint, backward_hint) < 0) {
292 ✗ backward_idx = i;
293 ✗ backward_hint = ref_hint;
294 }
295 }
296 }
297
298 ✗ if (forward_idx < 0) {
299 ✗ return;
300 ✗ } else if (backward_idx >= 0) {
301 ✗ s->cur_frame.skip_mode_frame_idx[0] =
302 ✗ AV1_REF_FRAME_LAST + FFMIN(forward_idx, backward_idx);
303 ✗ s->cur_frame.skip_mode_frame_idx[1] =
304 ✗ AV1_REF_FRAME_LAST + FFMAX(forward_idx, backward_idx);
305 ✗ return;
306 }
307
308 ✗ second_forward_idx = -1;
309 ✗ for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
310 ✗ ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint;
311 ✗ if (get_relative_dist(seq, ref_hint, forward_hint) < 0) {
312 ✗ if (second_forward_idx < 0 ||
313 ✗ get_relative_dist(seq, ref_hint, second_forward_hint) > 0) {
314 ✗ second_forward_idx = i;
315 ✗ second_forward_hint = ref_hint;
316 }
317 }
318 }
319
320 ✗ if (second_forward_idx < 0)
321 ✗ return;
322
323 ✗ s->cur_frame.skip_mode_frame_idx[0] =
324 ✗ AV1_REF_FRAME_LAST + FFMIN(forward_idx, second_forward_idx);
325 ✗ s->cur_frame.skip_mode_frame_idx[1] =
326 ✗ AV1_REF_FRAME_LAST + FFMAX(forward_idx, second_forward_idx);
327 }
328
329 ✗ static void coded_lossless_param(AV1DecContext *s)
330 {
331 ✗ const AV1RawFrameHeader *header = s->raw_frame_header;
332 int i;
333
334 ✗ if (header->delta_q_y_dc || header->delta_q_u_ac ||
335 ✗ header->delta_q_u_dc || header->delta_q_v_ac ||
336 ✗ header->delta_q_v_dc) {
337 ✗ s->cur_frame.coded_lossless = 0;
338 ✗ return;
339 }
340
341 ✗ s->cur_frame.coded_lossless = 1;
342 ✗ for (i = 0; i < AV1_MAX_SEGMENTS; i++) {
343 int qindex;
344 ✗ if (header->feature_enabled[i][AV1_SEG_LVL_ALT_Q]) {
345 ✗ qindex = (header->base_q_idx +
346 ✗ header->feature_value[i][AV1_SEG_LVL_ALT_Q]);
347 } else {
348 ✗ qindex = header->base_q_idx;
349 }
350 ✗ qindex = av_clip_uintp2(qindex, 8);
351
352 ✗ if (qindex) {
353 ✗ s->cur_frame.coded_lossless = 0;
354 ✗ return;
355 }
356 }
357 }
358
359 ✗ static void load_grain_params(AV1DecContext *s)
360 {
361 ✗ const AV1RawFrameHeader *header = s->raw_frame_header;
362 ✗ const AV1RawFilmGrainParams *film_grain = &header->film_grain, *src;
363 ✗ AV1RawFilmGrainParams *dst = &s->cur_frame.film_grain;
364
365 ✗ if (!film_grain->apply_grain)
366 ✗ return;
367
368 ✗ if (film_grain->update_grain) {
369 ✗ memcpy(dst, film_grain, sizeof(*dst));
370 ✗ return;
371 }
372
373 ✗ src = &s->ref[film_grain->film_grain_params_ref_idx].film_grain;
374
375 ✗ memcpy(dst, src, sizeof(*dst));
376 ✗ dst->grain_seed = film_grain->grain_seed;
377 }
378
379 ✗ static int init_tile_data(AV1DecContext *s)
380
381 {
382 ✗ int cur_tile_num =
383 ✗ s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows;
384 ✗ if (s->tile_num < cur_tile_num) {
385 ✗ int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num,
386 sizeof(TileGroupInfo));
387 ✗ if (ret < 0) {
388 ✗ s->tile_num = 0;
389 ✗ return ret;
390 }
391 }
392 ✗ s->tile_num = cur_tile_num;
393
394 ✗ return 0;
395 }
396
397 ✗ static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group)
398 {
399 ✗ AV1DecContext *s = avctx->priv_data;
400 GetByteContext gb;
401 uint16_t tile_num, tile_row, tile_col;
402 ✗ uint32_t size = 0, size_bytes = 0;
403
404 ✗ bytestream2_init(&gb, tile_group->tile_data.data,
405 ✗ tile_group->tile_data.data_size);
406 ✗ s->tg_start = tile_group->tg_start;
407 ✗ s->tg_end = tile_group->tg_end;
408
409 ✗ for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
410 ✗ tile_row = tile_num / s->raw_frame_header->tile_cols;
411 ✗ tile_col = tile_num % s->raw_frame_header->tile_cols;
412
413 ✗ if (tile_num == tile_group->tg_end) {
414 ✗ s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb);
415 ✗ s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
416 ✗ s->tile_group_info[tile_num].tile_row = tile_row;
417 ✗ s->tile_group_info[tile_num].tile_column = tile_col;
418 ✗ return 0;
419 }
420 ✗ size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
421 ✗ if (bytestream2_get_bytes_left(&gb) < size_bytes)
422 ✗ return AVERROR_INVALIDDATA;
423 ✗ size = 0;
424 ✗ for (int i = 0; i < size_bytes; i++)
425 ✗ size |= bytestream2_get_byteu(&gb) << 8 * i;
426 ✗ if (bytestream2_get_bytes_left(&gb) <= size)
427 ✗ return AVERROR_INVALIDDATA;
428 ✗ size++;
429
430 ✗ s->tile_group_info[tile_num].tile_size = size;
431 ✗ s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
432 ✗ s->tile_group_info[tile_num].tile_row = tile_row;
433 ✗ s->tile_group_info[tile_num].tile_column = tile_col;
434
435 ✗ bytestream2_skipu(&gb, size);
436 }
437
438 ✗ return 0;
439
440 }
441
442 102 static int get_pixel_format(AVCodecContext *avctx)
443 {
444 102 AV1DecContext *s = avctx->priv_data;
445 102 const AV1RawSequenceHeader *seq = s->raw_seq;
446 uint8_t bit_depth;
447 int ret;
448 102 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
449 #define HWACCEL_MAX (CONFIG_AV1_DXVA2_HWACCEL + \
450 CONFIG_AV1_D3D11VA_HWACCEL * 2 + \
451 CONFIG_AV1_NVDEC_HWACCEL + \
452 CONFIG_AV1_VAAPI_HWACCEL + \
453 CONFIG_AV1_VDPAU_HWACCEL + \
454 CONFIG_AV1_VULKAN_HWACCEL)
455 102 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
456
457
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 102 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
458 ✗ bit_depth = seq->color_config.twelve_bit ? 12 : 10;
459
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 102 else if (seq->seq_profile <= 2)
460
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 102 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
461 else {
462 ✗ av_log(avctx, AV_LOG_ERROR,
463 ✗ "Unknown AV1 profile %d.\n", seq->seq_profile);
464 ✗ return -1;
465 }
466
467
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 102 if (!seq->color_config.mono_chrome) {
468 // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
469
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 102 if (seq->color_config.subsampling_x == 0 &&
470 ✗ seq->color_config.subsampling_y == 0) {
471 ✗ if (bit_depth == 8)
472 ✗ pix_fmt = AV_PIX_FMT_YUV444P;
473 ✗ else if (bit_depth == 10)
474 ✗ pix_fmt = AV_PIX_FMT_YUV444P10;
475 ✗ else if (bit_depth == 12)
476 ✗ pix_fmt = AV_PIX_FMT_YUV444P12;
477 else
478 ✗ av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
479
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 102 } else if (seq->color_config.subsampling_x == 1 &&
480
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 102 seq->color_config.subsampling_y == 0) {
481 ✗ if (bit_depth == 8)
482 ✗ pix_fmt = AV_PIX_FMT_YUV422P;
483 ✗ else if (bit_depth == 10)
484 ✗ pix_fmt = AV_PIX_FMT_YUV422P10;
485 ✗ else if (bit_depth == 12)
486 ✗ pix_fmt = AV_PIX_FMT_YUV422P12;
487 else
488 ✗ av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
489
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 102 } else if (seq->color_config.subsampling_x == 1 &&
490
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 102 seq->color_config.subsampling_y == 1) {
491
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 102 if (bit_depth == 8)
492 101 pix_fmt = AV_PIX_FMT_YUV420P;
493
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 1 else if (bit_depth == 10)
494 1 pix_fmt = AV_PIX_FMT_YUV420P10;
495 ✗ else if (bit_depth == 12)
496 ✗ pix_fmt = AV_PIX_FMT_YUV420P12;
497 else
498 ✗ av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
499 }
500 } else {
501 ✗ if (bit_depth == 8)
502 ✗ pix_fmt = AV_PIX_FMT_GRAY8;
503 ✗ else if (bit_depth == 10)
504 ✗ pix_fmt = AV_PIX_FMT_GRAY10;
505 ✗ else if (bit_depth == 12)
506 ✗ pix_fmt = AV_PIX_FMT_GRAY12;
507 else
508 ✗ av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
509 }
510
511 102 av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n",
512 av_get_pix_fmt_name(pix_fmt));
513
514
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 102 if (pix_fmt == AV_PIX_FMT_NONE)
515 ✗ return -1;
516
517
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 102 switch (pix_fmt) {
518 101 case AV_PIX_FMT_YUV420P:
519 #if CONFIG_AV1_DXVA2_HWACCEL
520 *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
521 #endif
522 #if CONFIG_AV1_D3D11VA_HWACCEL
523 *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
524 *fmtp++ = AV_PIX_FMT_D3D11;
525 #endif
526 #if CONFIG_AV1_NVDEC_HWACCEL
527 *fmtp++ = AV_PIX_FMT_CUDA;
528 #endif
529 #if CONFIG_AV1_VAAPI_HWACCEL
530 101 *fmtp++ = AV_PIX_FMT_VAAPI;
531 #endif
532 #if CONFIG_AV1_VDPAU_HWACCEL
533 101 *fmtp++ = AV_PIX_FMT_VDPAU;
534 #endif
535 #if CONFIG_AV1_VULKAN_HWACCEL
536 *fmtp++ = AV_PIX_FMT_VULKAN;
537 #endif
538 101 break;
539 1 case AV_PIX_FMT_YUV420P10:
540 #if CONFIG_AV1_DXVA2_HWACCEL
541 *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
542 #endif
543 #if CONFIG_AV1_D3D11VA_HWACCEL
544 *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
545 *fmtp++ = AV_PIX_FMT_D3D11;
546 #endif
547 #if CONFIG_AV1_NVDEC_HWACCEL
548 *fmtp++ = AV_PIX_FMT_CUDA;
549 #endif
550 #if CONFIG_AV1_VAAPI_HWACCEL
551 1 *fmtp++ = AV_PIX_FMT_VAAPI;
552 #endif
553 #if CONFIG_AV1_VDPAU_HWACCEL
554 1 *fmtp++ = AV_PIX_FMT_VDPAU;
555 #endif
556 #if CONFIG_AV1_VULKAN_HWACCEL
557 *fmtp++ = AV_PIX_FMT_VULKAN;
558 #endif
559 1 break;
560 ✗ case AV_PIX_FMT_YUV420P12:
561 #if CONFIG_AV1_VULKAN_HWACCEL
562 *fmtp++ = AV_PIX_FMT_VULKAN;
563 #endif
564 ✗ break;
565 ✗ case AV_PIX_FMT_YUV422P:
566 #if CONFIG_AV1_VULKAN_HWACCEL
567 *fmtp++ = AV_PIX_FMT_VULKAN;
568 #endif
569 ✗ break;
570 ✗ case AV_PIX_FMT_YUV422P10:
571 #if CONFIG_AV1_VULKAN_HWACCEL
572 *fmtp++ = AV_PIX_FMT_VULKAN;
573 #endif
574 ✗ break;
575 ✗ case AV_PIX_FMT_YUV422P12:
576 #if CONFIG_AV1_VULKAN_HWACCEL
577 *fmtp++ = AV_PIX_FMT_VULKAN;
578 #endif
579 ✗ break;
580 ✗ case AV_PIX_FMT_YUV444P:
581 #if CONFIG_AV1_VULKAN_HWACCEL
582 *fmtp++ = AV_PIX_FMT_VULKAN;
583 #endif
584 ✗ break;
585 ✗ case AV_PIX_FMT_YUV444P10:
586 #if CONFIG_AV1_VULKAN_HWACCEL
587 *fmtp++ = AV_PIX_FMT_VULKAN;
588 #endif
589 ✗ break;
590 ✗ case AV_PIX_FMT_YUV444P12:
591 #if CONFIG_AV1_VULKAN_HWACCEL
592 *fmtp++ = AV_PIX_FMT_VULKAN;
593 #endif
594 ✗ break;
595 ✗ case AV_PIX_FMT_GRAY8:
596 #if CONFIG_AV1_NVDEC_HWACCEL
597 *fmtp++ = AV_PIX_FMT_CUDA;
598 #endif
599 ✗ break;
600 ✗ case AV_PIX_FMT_GRAY10:
601 #if CONFIG_AV1_NVDEC_HWACCEL
602 *fmtp++ = AV_PIX_FMT_CUDA;
603 #endif
604 ✗ break;
605 }
606
607 102 *fmtp++ = pix_fmt;
608 102 *fmtp = AV_PIX_FMT_NONE;
609
610 102 ret = ff_thread_get_format(avctx, pix_fmts);
611
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 102 if (ret < 0)
612 ✗ return ret;
613
614 /**
615 * check if the HW accel is inited correctly. If not, return un-implemented.
616 * Since now the av1 decoder doesn't support native decode, if it will be
617 * implemented in the future, need remove this check.
618 */
619
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 102 if (!avctx->hwaccel) {
620 102 av_log(avctx, AV_LOG_ERROR, "Your platform doesn't support"
621 " hardware accelerated AV1 decoding.\n");
622 102 return AVERROR(ENOSYS);
623 }
624
625 ✗ s->pix_fmt = pix_fmt;
626 ✗ avctx->pix_fmt = ret;
627
628 ✗ return 0;
629 }
630
631 189 static void av1_frame_unref(AVCodecContext *avctx, AV1Frame *f)
632 {
633 189 ff_thread_release_buffer(avctx, f->f);
634 189 av_buffer_unref(&f->hwaccel_priv_buf);
635 189 f->hwaccel_picture_private = NULL;
636 189 av_buffer_unref(&f->header_ref);
637 189 f->raw_frame_header = NULL;
638 189 f->spatial_id = f->temporal_id = 0;
639 189 memset(f->skip_mode_frame_idx, 0,
640 2 * sizeof(uint8_t));
641 189 memset(&f->film_grain, 0, sizeof(f->film_grain));
642 189 f->coded_lossless = 0;
643 189 }
644
645 ✗ static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src)
646 {
647 int ret;
648
649 ✗ ret = av_buffer_replace(&dst->header_ref, src->header_ref);
650 ✗ if (ret < 0)
651 ✗ return ret;
652
653 ✗ dst->raw_frame_header = src->raw_frame_header;
654
655 ✗ if (!src->f->buf[0])
656 ✗ return 0;
657
658 ✗ ret = av_frame_ref(dst->f, src->f);
659 ✗ if (ret < 0)
660 ✗ goto fail;
661
662 ✗ if (src->hwaccel_picture_private) {
663 ✗ dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
664 ✗ if (!dst->hwaccel_priv_buf)
665 ✗ goto fail;
666 ✗ dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
667 }
668
669 ✗ dst->spatial_id = src->spatial_id;
670 ✗ dst->temporal_id = src->temporal_id;
671 ✗ memcpy(dst->gm_invalid,
672 ✗ src->gm_invalid,
673 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
674 ✗ memcpy(dst->gm_type,
675 ✗ src->gm_type,
676 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
677 ✗ memcpy(dst->gm_params,
678 ✗ src->gm_params,
679 AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t));
680 ✗ memcpy(dst->skip_mode_frame_idx,
681 ✗ src->skip_mode_frame_idx,
682 2 * sizeof(uint8_t));
683 ✗ memcpy(&dst->film_grain,
684 ✗ &src->film_grain,
685 sizeof(dst->film_grain));
686 ✗ dst->coded_lossless = src->coded_lossless;
687
688 ✗ return 0;
689
690 ✗ fail:
691 ✗ av1_frame_unref(avctx, dst);
692 ✗ return AVERROR(ENOMEM);
693 }
694
695 21 static av_cold int av1_decode_free(AVCodecContext *avctx)
696 {
697 21 AV1DecContext *s = avctx->priv_data;
698 AV1RawMetadataITUTT35 itut_t35;
699
700
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 189 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
701 168 av1_frame_unref(avctx, &s->ref[i]);
702 168 av_frame_free(&s->ref[i].f);
703 }
704 21 av1_frame_unref(avctx, &s->cur_frame);
705 21 av_frame_free(&s->cur_frame.f);
706
707 21 av_buffer_unref(&s->seq_ref);
708 21 av_buffer_unref(&s->header_ref);
709 21 av_buffer_unref(&s->cll_ref);
710 21 av_buffer_unref(&s->mdcv_ref);
711 21 av_freep(&s->tile_group_info);
712
713
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 21 while (s->itut_t35_fifo && av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0)
714 ✗ av_buffer_unref(&itut_t35.payload_ref);
715 21 av_fifo_freep2(&s->itut_t35_fifo);
716
717 21 ff_cbs_fragment_free(&s->current_obu);
718 21 ff_cbs_close(&s->cbc);
719
720 21 return 0;
721 }
722
723 104 static int set_context_with_sequence(AVCodecContext *avctx,
724 const AV1RawSequenceHeader *seq)
725 {
726 104 int width = seq->max_frame_width_minus_1 + 1;
727 104 int height = seq->max_frame_height_minus_1 + 1;
728
729 104 avctx->profile = seq->seq_profile;
730 104 avctx->level = seq->seq_level_idx[0];
731
732 104 avctx->color_range =
733
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 104 seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
734 104 avctx->color_primaries = seq->color_config.color_primaries;
735 104 avctx->colorspace = seq->color_config.color_primaries;
736 104 avctx->color_trc = seq->color_config.transfer_characteristics;
737
738
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 104 switch (seq->color_config.chroma_sample_position) {
739 ✗ case AV1_CSP_VERTICAL:
740 ✗ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
741 ✗ break;
742 ✗ case AV1_CSP_COLOCATED:
743 ✗ avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
744 ✗ break;
745 }
746
747
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 104 if (seq->film_grain_params_present)
748 2 avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
749 else
750 102 avctx->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN;
751
752
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 104 if (avctx->width != width || avctx->height != height) {
753 2 int ret = ff_set_dimensions(avctx, width, height);
754
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 2 if (ret < 0)
755 ✗ return ret;
756 }
757 104 avctx->sample_aspect_ratio = (AVRational) { 1, 1 };
758
759
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 104 if (seq->timing_info_present_flag)
760 65 avctx->framerate = ff_av1_framerate(1LL + seq->timing_info.num_ticks_per_picture_minus_1,
761 65 seq->timing_info.num_units_in_display_tick,
762 65 seq->timing_info.time_scale);
763
764 104 return 0;
765 }
766
767 ✗ static int update_context_with_frame_header(AVCodecContext *avctx,
768 const AV1RawFrameHeader *header)
769 {
770 AVRational aspect_ratio;
771 ✗ int width = header->frame_width_minus_1 + 1;
772 ✗ int height = header->frame_height_minus_1 + 1;
773 ✗ int r_width = header->render_width_minus_1 + 1;
774 ✗ int r_height = header->render_height_minus_1 + 1;
775 int ret;
776
777 ✗ if (avctx->width != width || avctx->height != height) {
778 ✗ ret = ff_set_dimensions(avctx, width, height);
779 ✗ if (ret < 0)
780 ✗ return ret;
781 }
782
783 ✗ av_reduce(&aspect_ratio.num, &aspect_ratio.den,
784 ✗ (int64_t)height * r_width,
785 ✗ (int64_t)width * r_height,
786 INT_MAX);
787
788 ✗ if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) {
789 ✗ ret = ff_set_sar(avctx, aspect_ratio);
790 ✗ if (ret < 0)
791 ✗ return ret;
792 }
793
794 ✗ return 0;
795 }
796
797 static const CodedBitstreamUnitType decompose_unit_types[] = {
798 AV1_OBU_FRAME,
799 AV1_OBU_FRAME_HEADER,
800 AV1_OBU_METADATA,
801 AV1_OBU_REDUNDANT_FRAME_HEADER,
802 AV1_OBU_SEQUENCE_HEADER,
803 AV1_OBU_TEMPORAL_DELIMITER,
804 AV1_OBU_TILE_GROUP,
805 };
806
807 21 static av_cold int av1_decode_init(AVCodecContext *avctx)
808 {
809 21 AV1DecContext *s = avctx->priv_data;
810 AV1RawSequenceHeader *seq;
811 int ret;
812
813 21 s->avctx = avctx;
814 21 s->pkt = avctx->internal->in_pkt;
815 21 s->pix_fmt = AV_PIX_FMT_NONE;
816
817
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 189 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
818 168 s->ref[i].f = av_frame_alloc();
819
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 168 if (!s->ref[i].f) {
820 ✗ av_log(avctx, AV_LOG_ERROR,
821 "Failed to allocate reference frame buffer %d.\n", i);
822 ✗ return AVERROR(ENOMEM);
823 }
824 }
825
826 21 s->cur_frame.f = av_frame_alloc();
827
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 21 if (!s->cur_frame.f) {
828 ✗ av_log(avctx, AV_LOG_ERROR,
829 "Failed to allocate current frame buffer.\n");
830 ✗ return AVERROR(ENOMEM);
831 }
832
833 21 ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx);
834
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 21 if (ret < 0)
835 ✗ return ret;
836
837 21 s->cbc->decompose_unit_types = decompose_unit_types;
838 21 s->cbc->nb_decompose_unit_types = FF_ARRAY_ELEMS(decompose_unit_types);
839
840 21 s->itut_t35_fifo = av_fifo_alloc2(1, sizeof(AV1RawMetadataITUTT35),
841 AV_FIFO_FLAG_AUTO_GROW);
842
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 21 if (!s->itut_t35_fifo)
843 ✗ return AVERROR(ENOMEM);
844
845 21 av_opt_set_int(s->cbc->priv_data, "operating_point", s->operating_point, 0);
846
847
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 21 if (avctx->extradata && avctx->extradata_size) {
848 2 ret = ff_cbs_read_extradata_from_codec(s->cbc,
849 &s->current_obu,
850 avctx);
851
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 2 if (ret < 0) {
852 ✗ av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n");
853 ✗ goto end;
854 }
855
856 2 seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header;
857
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 2 if (!seq) {
858 ✗ av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n");
859 ✗ goto end;
860 }
861
862 2 ret = set_context_with_sequence(avctx, seq);
863
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 2 if (ret < 0) {
864 ✗ av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n");
865 ✗ goto end;
866 }
867
868 2 end:
869 2 ff_cbs_fragment_reset(&s->current_obu);
870 }
871
872 21 return ret;
873 }
874
875 ✗ static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f)
876 {
877 ✗ AV1DecContext *s = avctx->priv_data;
878 ✗ AV1RawFrameHeader *header= s->raw_frame_header;
879 AVFrame *frame;
880 int ret;
881
882 ✗ ret = update_context_with_frame_header(avctx, header);
883 ✗ if (ret < 0) {
884 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n");
885 ✗ return ret;
886 }
887
888 ✗ if ((ret = ff_thread_get_buffer(avctx, f->f, AV_GET_BUFFER_FLAG_REF)) < 0)
889 ✗ goto fail;
890
891 ✗ frame = f->f;
892 ✗ if (header->frame_type == AV1_FRAME_KEY)
893 ✗ frame->flags |= AV_FRAME_FLAG_KEY;
894 else
895 ✗ frame->flags &= ~AV_FRAME_FLAG_KEY;
896
897 ✗ switch (header->frame_type) {
898 ✗ case AV1_FRAME_KEY:
899 case AV1_FRAME_INTRA_ONLY:
900 ✗ frame->pict_type = AV_PICTURE_TYPE_I;
901 ✗ break;
902 ✗ case AV1_FRAME_INTER:
903 ✗ frame->pict_type = AV_PICTURE_TYPE_P;
904 ✗ break;
905 ✗ case AV1_FRAME_SWITCH:
906 ✗ frame->pict_type = AV_PICTURE_TYPE_SP;
907 ✗ break;
908 }
909
910 ✗ if (avctx->hwaccel) {
911 ✗ const AVHWAccel *hwaccel = avctx->hwaccel;
912 ✗ if (hwaccel->frame_priv_data_size) {
913 ✗ f->hwaccel_priv_buf = ff_hwaccel_frame_priv_alloc(avctx, hwaccel);
914 ✗ if (!f->hwaccel_priv_buf) {
915 ✗ ret = AVERROR(ENOMEM);
916 ✗ goto fail;
917 }
918 ✗ f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
919 }
920 }
921 ✗ return 0;
922
923 ✗ fail:
924 ✗ av1_frame_unref(avctx, f);
925 ✗ return ret;
926 }
927
928 ✗ static int export_itut_t35(AVCodecContext *avctx, AVFrame *frame,
929 const AV1RawMetadataITUTT35 *itut_t35)
930 {
931 GetByteContext gb;
932 int ret, provider_code;
933
934 ✗ bytestream2_init(&gb, itut_t35->payload, itut_t35->payload_size);
935
936 ✗ provider_code = bytestream2_get_be16(&gb);
937 ✗ switch (provider_code) {
938 ✗ case 0x31: { // atsc_provider_code
939 ✗ uint32_t user_identifier = bytestream2_get_be32(&gb);
940 switch (user_identifier) {
941 ✗ case MKBETAG('G', 'A', '9', '4'): { // closed captions
942 ✗ AVBufferRef *buf = NULL;
943
944 ✗ ret = ff_parse_a53_cc(&buf, gb.buffer, bytestream2_get_bytes_left(&gb));
945 ✗ if (ret < 0)
946 ✗ return ret;
947 ✗ if (!ret)
948 ✗ break;
949
950 ✗ if (!av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, buf))
951 ✗ av_buffer_unref(&buf);
952
953 ✗ avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
954 ✗ break;
955 }
956 ✗ default: // ignore unsupported identifiers
957 ✗ break;
958 }
959 ✗ break;
960 }
961 ✗ case 0x3C: { // smpte_provider_code
962 AVDynamicHDRPlus *hdrplus;
963 ✗ int provider_oriented_code = bytestream2_get_be16(&gb);
964 ✗ int application_identifier = bytestream2_get_byte(&gb);
965
966 ✗ if (itut_t35->itu_t_t35_country_code != 0xB5 ||
967 ✗ provider_oriented_code != 1 || application_identifier != 4)
968 break;
969
970 ✗ hdrplus = av_dynamic_hdr_plus_create_side_data(frame);
971 ✗ if (!hdrplus)
972 ✗ return AVERROR(ENOMEM);
973
974 ✗ ret = av_dynamic_hdr_plus_from_t35(hdrplus, gb.buffer,
975 ✗ bytestream2_get_bytes_left(&gb));
976 ✗ if (ret < 0)
977 ✗ return ret;
978 ✗ break;
979 }
980 ✗ default: // ignore unsupported provider codes
981 ✗ break;
982 }
983
984 ✗ return 0;
985 }
986
987 ✗ static int export_metadata(AVCodecContext *avctx, AVFrame *frame)
988 {
989 ✗ AV1DecContext *s = avctx->priv_data;
990 AV1RawMetadataITUTT35 itut_t35;
991 ✗ int ret = 0;
992
993 ✗ if (s->mdcv) {
994 ✗ AVMasteringDisplayMetadata *mastering = av_mastering_display_metadata_create_side_data(frame);
995 ✗ if (!mastering)
996 ✗ return AVERROR(ENOMEM);
997
998 ✗ for (int i = 0; i < 3; i++) {
999 ✗ mastering->display_primaries[i][0] = av_make_q(s->mdcv->primary_chromaticity_x[i], 1 << 16);
1000 ✗ mastering->display_primaries[i][1] = av_make_q(s->mdcv->primary_chromaticity_y[i], 1 << 16);
1001 }
1002 ✗ mastering->white_point[0] = av_make_q(s->mdcv->white_point_chromaticity_x, 1 << 16);
1003 ✗ mastering->white_point[1] = av_make_q(s->mdcv->white_point_chromaticity_y, 1 << 16);
1004
1005 ✗ mastering->max_luminance = av_make_q(s->mdcv->luminance_max, 1 << 8);
1006 ✗ mastering->min_luminance = av_make_q(s->mdcv->luminance_min, 1 << 14);
1007
1008 ✗ mastering->has_primaries = 1;
1009 ✗ mastering->has_luminance = 1;
1010 }
1011
1012 ✗ if (s->cll) {
1013 ✗ AVContentLightMetadata *light = av_content_light_metadata_create_side_data(frame);
1014 ✗ if (!light)
1015 ✗ return AVERROR(ENOMEM);
1016
1017 ✗ light->MaxCLL = s->cll->max_cll;
1018 ✗ light->MaxFALL = s->cll->max_fall;
1019 }
1020
1021 ✗ while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0) {
1022 ✗ if (ret >= 0)
1023 ✗ ret = export_itut_t35(avctx, frame, &itut_t35);
1024 ✗ av_buffer_unref(&itut_t35.payload_ref);
1025 }
1026
1027 ✗ return ret;
1028 }
1029
1030 ✗ static int export_film_grain(AVCodecContext *avctx, AVFrame *frame)
1031 {
1032 ✗ AV1DecContext *s = avctx->priv_data;
1033 ✗ const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
1034 AVFilmGrainParams *fgp;
1035 AVFilmGrainAOMParams *aom;
1036
1037 ✗ if (!film_grain->apply_grain)
1038 ✗ return 0;
1039
1040 ✗ fgp = av_film_grain_params_create_side_data(frame);
1041 ✗ if (!fgp)
1042 ✗ return AVERROR(ENOMEM);
1043
1044 ✗ fgp->type = AV_FILM_GRAIN_PARAMS_AV1;
1045 ✗ fgp->seed = film_grain->grain_seed;
1046
1047 ✗ aom = &fgp->codec.aom;
1048 ✗ aom->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;
1049 ✗ aom->scaling_shift = film_grain->grain_scaling_minus_8 + 8;
1050 ✗ aom->ar_coeff_lag = film_grain->ar_coeff_lag;
1051 ✗ aom->ar_coeff_shift = film_grain->ar_coeff_shift_minus_6 + 6;
1052 ✗ aom->grain_scale_shift = film_grain->grain_scale_shift;
1053 ✗ aom->overlap_flag = film_grain->overlap_flag;
1054 ✗ aom->limit_output_range = film_grain->clip_to_restricted_range;
1055
1056 ✗ aom->num_y_points = film_grain->num_y_points;
1057 ✗ for (int i = 0; i < film_grain->num_y_points; i++) {
1058 ✗ aom->y_points[i][0] = film_grain->point_y_value[i];
1059 ✗ aom->y_points[i][1] = film_grain->point_y_scaling[i];
1060 }
1061 ✗ aom->num_uv_points[0] = film_grain->num_cb_points;
1062 ✗ for (int i = 0; i < film_grain->num_cb_points; i++) {
1063 ✗ aom->uv_points[0][i][0] = film_grain->point_cb_value[i];
1064 ✗ aom->uv_points[0][i][1] = film_grain->point_cb_scaling[i];
1065 }
1066 ✗ aom->num_uv_points[1] = film_grain->num_cr_points;
1067 ✗ for (int i = 0; i < film_grain->num_cr_points; i++) {
1068 ✗ aom->uv_points[1][i][0] = film_grain->point_cr_value[i];
1069 ✗ aom->uv_points[1][i][1] = film_grain->point_cr_scaling[i];
1070 }
1071
1072 ✗ for (int i = 0; i < 24; i++) {
1073 ✗ aom->ar_coeffs_y[i] = film_grain->ar_coeffs_y_plus_128[i] - 128;
1074 }
1075 ✗ for (int i = 0; i < 25; i++) {
1076 ✗ aom->ar_coeffs_uv[0][i] = film_grain->ar_coeffs_cb_plus_128[i] - 128;
1077 ✗ aom->ar_coeffs_uv[1][i] = film_grain->ar_coeffs_cr_plus_128[i] - 128;
1078 }
1079
1080 ✗ aom->uv_mult[0] = film_grain->cb_mult;
1081 ✗ aom->uv_mult[1] = film_grain->cr_mult;
1082 ✗ aom->uv_mult_luma[0] = film_grain->cb_luma_mult;
1083 ✗ aom->uv_mult_luma[1] = film_grain->cr_luma_mult;
1084 ✗ aom->uv_offset[0] = film_grain->cb_offset;
1085 ✗ aom->uv_offset[1] = film_grain->cr_offset;
1086
1087 ✗ return 0;
1088 }
1089
1090 ✗ static int set_output_frame(AVCodecContext *avctx, AVFrame *frame)
1091 {
1092 ✗ AV1DecContext *s = avctx->priv_data;
1093 ✗ const AVFrame *srcframe = s->cur_frame.f;
1094 ✗ AVPacket *pkt = s->pkt;
1095 int ret;
1096
1097 // TODO: all layers
1098 ✗ if (s->operating_point_idc &&
1099 ✗ av_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
1100 ✗ return 0;
1101
1102 ✗ ret = av_frame_ref(frame, srcframe);
1103 ✗ if (ret < 0)
1104 ✗ return ret;
1105
1106 ✗ ret = export_metadata(avctx, frame);
1107 ✗ if (ret < 0) {
1108 ✗ av_frame_unref(frame);
1109 ✗ return ret;
1110 }
1111
1112 ✗ if (avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) {
1113 ✗ ret = export_film_grain(avctx, frame);
1114 ✗ if (ret < 0) {
1115 ✗ av_frame_unref(frame);
1116 ✗ return ret;
1117 }
1118 }
1119
1120 ✗ frame->pts = pkt->pts;
1121 ✗ frame->pkt_dts = pkt->dts;
1122 #if FF_API_FRAME_PKT
1123 FF_DISABLE_DEPRECATION_WARNINGS
1124 ✗ frame->pkt_size = pkt->size;
1125 ✗ frame->pkt_pos = pkt->pos;
1126 FF_ENABLE_DEPRECATION_WARNINGS
1127 #endif
1128
1129 ✗ av_packet_unref(pkt);
1130
1131 ✗ return 0;
1132 }
1133
1134 ✗ static int update_reference_list(AVCodecContext *avctx)
1135 {
1136 ✗ AV1DecContext *s = avctx->priv_data;
1137 ✗ const AV1RawFrameHeader *header = s->raw_frame_header;
1138 int ret;
1139
1140 ✗ for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
1141 ✗ if (header->refresh_frame_flags & (1 << i)) {
1142 ✗ av1_frame_unref(avctx, &s->ref[i]);
1143 ✗ if ((ret = av1_frame_ref(avctx, &s->ref[i], &s->cur_frame)) < 0) {
1144 ✗ av_log(avctx, AV_LOG_ERROR,
1145 "Failed to update frame %d in reference list\n", i);
1146 ✗ return ret;
1147 }
1148 }
1149 }
1150 ✗ return 0;
1151 }
1152
1153 ✗ static int get_current_frame(AVCodecContext *avctx)
1154 {
1155 ✗ AV1DecContext *s = avctx->priv_data;
1156 int ret;
1157
1158 ✗ av1_frame_unref(avctx, &s->cur_frame);
1159
1160 ✗ s->cur_frame.header_ref = av_buffer_ref(s->header_ref);
1161 ✗ if (!s->cur_frame.header_ref)
1162 ✗ return AVERROR(ENOMEM);
1163
1164 ✗ s->cur_frame.raw_frame_header = s->raw_frame_header;
1165
1166 ✗ ret = init_tile_data(s);
1167 ✗ if (ret < 0) {
1168 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n");
1169 ✗ return ret;
1170 }
1171
1172 ✗ if ((avctx->skip_frame >= AVDISCARD_NONINTRA &&
1173 ✗ (s->raw_frame_header->frame_type != AV1_FRAME_KEY &&
1174 ✗ s->raw_frame_header->frame_type != AV1_FRAME_INTRA_ONLY)) ||
1175 ✗ (avctx->skip_frame >= AVDISCARD_NONKEY &&
1176 ✗ s->raw_frame_header->frame_type != AV1_FRAME_KEY) ||
1177 ✗ avctx->skip_frame >= AVDISCARD_ALL)
1178 ✗ return 0;
1179
1180 ✗ ret = av1_frame_alloc(avctx, &s->cur_frame);
1181 ✗ if (ret < 0) {
1182 ✗ av_log(avctx, AV_LOG_ERROR,
1183 "Failed to allocate space for current frame.\n");
1184 ✗ return ret;
1185 }
1186
1187 ✗ global_motion_params(s);
1188 ✗ skip_mode_params(s);
1189 ✗ coded_lossless_param(s);
1190 ✗ load_grain_params(s);
1191
1192 ✗ return ret;
1193 }
1194
1195 330 static int av1_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
1196 {
1197 330 AV1DecContext *s = avctx->priv_data;
1198 330 AV1RawTileGroup *raw_tile_group = NULL;
1199 330 int i = 0, ret;
1200
1201
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 652 for (i = s->nb_unit; i < s->current_obu.nb_units; i++) {
1202 652 CodedBitstreamUnit *unit = &s->current_obu.units[i];
1203 652 AV1RawOBU *obu = unit->content;
1204 const AV1RawOBUHeader *header;
1205
1206
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 652 if (!obu)
1207 ✗ continue;
1208
1209 652 header = &obu->header;
1210 652 av_log(avctx, AV_LOG_DEBUG, "Obu idx:%d, obu type:%d.\n", i, unit->type);
1211
1212
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 652 switch (unit->type) {
1213 102 case AV1_OBU_SEQUENCE_HEADER:
1214 102 av_buffer_unref(&s->seq_ref);
1215 102 s->seq_ref = av_buffer_ref(unit->content_ref);
1216
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 102 if (!s->seq_ref) {
1217 ✗ ret = AVERROR(ENOMEM);
1218 ✗ goto end;
1219 }
1220
1221 102 s->raw_seq = &obu->obu.sequence_header;
1222
1223 102 ret = set_context_with_sequence(avctx, s->raw_seq);
1224
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 102 if (ret < 0) {
1225 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n");
1226 ✗ s->raw_seq = NULL;
1227 ✗ goto end;
1228 }
1229
1230 102 s->operating_point_idc = s->raw_seq->operating_point_idc[s->operating_point];
1231
1232
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 102 if (s->pix_fmt == AV_PIX_FMT_NONE) {
1233 102 ret = get_pixel_format(avctx);
1234
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 102 if (ret < 0) {
1235 102 av_log(avctx, AV_LOG_ERROR,
1236 "Failed to get pixel format.\n");
1237 102 s->raw_seq = NULL;
1238 102 goto end;
1239 }
1240 }
1241
1242 ✗ if (avctx->hwaccel && avctx->hwaccel->decode_params) {
1243 ✗ ret = avctx->hwaccel->decode_params(avctx, unit->type, unit->data,
1244 ✗ unit->data_size);
1245 ✗ if (ret < 0) {
1246 ✗ av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
1247 ✗ s->raw_seq = NULL;
1248 ✗ goto end;
1249 }
1250 }
1251 ✗ break;
1252 ✗ case AV1_OBU_REDUNDANT_FRAME_HEADER:
1253 ✗ if (s->raw_frame_header)
1254 ✗ break;
1255 // fall-through
1256 case AV1_OBU_FRAME:
1257 case AV1_OBU_FRAME_HEADER:
1258
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 228 if (!s->raw_seq) {
1259 228 av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
1260 228 ret = AVERROR_INVALIDDATA;
1261 228 goto end;
1262 }
1263
1264 ✗ av_buffer_unref(&s->header_ref);
1265 ✗ s->header_ref = av_buffer_ref(unit->content_ref);
1266 ✗ if (!s->header_ref) {
1267 ✗ ret = AVERROR(ENOMEM);
1268 ✗ goto end;
1269 }
1270
1271 ✗ if (unit->type == AV1_OBU_FRAME)
1272 ✗ s->raw_frame_header = &obu->obu.frame.header;
1273 else
1274 ✗ s->raw_frame_header = &obu->obu.frame_header;
1275
1276 ✗ if (s->raw_frame_header->show_existing_frame) {
1277 ✗ av1_frame_unref(avctx, &s->cur_frame);
1278
1279 ✗ ret = av1_frame_ref(avctx, &s->cur_frame,
1280 ✗ &s->ref[s->raw_frame_header->frame_to_show_map_idx]);
1281 ✗ if (ret < 0) {
1282 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n");
1283 ✗ goto end;
1284 }
1285
1286 ✗ ret = update_reference_list(avctx);
1287 ✗ if (ret < 0) {
1288 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
1289 ✗ goto end;
1290 }
1291
1292 ✗ if (s->cur_frame.f->buf[0]) {
1293 ✗ ret = set_output_frame(avctx, frame);
1294 ✗ if (ret < 0)
1295 ✗ av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n");
1296 }
1297
1298 ✗ s->raw_frame_header = NULL;
1299 ✗ i++;
1300
1301 ✗ goto end;
1302 }
1303
1304 ✗ ret = get_current_frame(avctx);
1305 ✗ if (ret < 0) {
1306 ✗ av_log(avctx, AV_LOG_ERROR, "Get current frame error\n");
1307 ✗ goto end;
1308 }
1309
1310 ✗ s->cur_frame.spatial_id = header->spatial_id;
1311 ✗ s->cur_frame.temporal_id = header->temporal_id;
1312
1313 ✗ if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
1314 ✗ ret = avctx->hwaccel->start_frame(avctx, unit->data,
1315 ✗ unit->data_size);
1316 ✗ if (ret < 0) {
1317 ✗ av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n");
1318 ✗ goto end;
1319 }
1320 }
1321 ✗ if (unit->type != AV1_OBU_FRAME)
1322 ✗ break;
1323 // fall-through
1324 case AV1_OBU_TILE_GROUP:
1325 ✗ if (!s->raw_frame_header) {
1326 ✗ av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n");
1327 ✗ ret = AVERROR_INVALIDDATA;
1328 ✗ goto end;
1329 }
1330
1331 ✗ if (unit->type == AV1_OBU_FRAME)
1332 ✗ raw_tile_group = &obu->obu.frame.tile_group;
1333 else
1334 ✗ raw_tile_group = &obu->obu.tile_group;
1335
1336 ✗ ret = get_tiles_info(avctx, raw_tile_group);
1337 ✗ if (ret < 0)
1338 ✗ goto end;
1339
1340 ✗ if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
1341 ✗ ret = avctx->hwaccel->decode_slice(avctx,
1342 ✗ raw_tile_group->tile_data.data,
1343 ✗ raw_tile_group->tile_data.data_size);
1344 ✗ if (ret < 0) {
1345 ✗ av_log(avctx, AV_LOG_ERROR,
1346 "HW accel decode slice fail.\n");
1347 ✗ goto end;
1348 }
1349 }
1350 ✗ break;
1351 322 case AV1_OBU_TILE_LIST:
1352 case AV1_OBU_TEMPORAL_DELIMITER:
1353 case AV1_OBU_PADDING:
1354 322 break;
1355 ✗ case AV1_OBU_METADATA:
1356 ✗ switch (obu->obu.metadata.metadata_type) {
1357 ✗ case AV1_METADATA_TYPE_HDR_CLL:
1358 ✗ av_buffer_unref(&s->cll_ref);
1359 ✗ s->cll_ref = av_buffer_ref(unit->content_ref);
1360 ✗ if (!s->cll_ref) {
1361 ✗ s->cll = NULL;
1362 ✗ ret = AVERROR(ENOMEM);
1363 ✗ goto end;
1364 }
1365 ✗ s->cll = &obu->obu.metadata.metadata.hdr_cll;
1366 ✗ break;
1367 ✗ case AV1_METADATA_TYPE_HDR_MDCV:
1368 ✗ av_buffer_unref(&s->mdcv_ref);
1369 ✗ s->mdcv_ref = av_buffer_ref(unit->content_ref);
1370 ✗ if (!s->mdcv_ref) {
1371 ✗ s->mdcv = NULL;
1372 ✗ ret = AVERROR(ENOMEM);
1373 ✗ goto end;
1374 }
1375 ✗ s->mdcv = &obu->obu.metadata.metadata.hdr_mdcv;
1376 ✗ break;
1377 ✗ case AV1_METADATA_TYPE_ITUT_T35: {
1378 AV1RawMetadataITUTT35 itut_t35;
1379 ✗ memcpy(&itut_t35, &obu->obu.metadata.metadata.itut_t35, sizeof(itut_t35));
1380 ✗ itut_t35.payload_ref = av_buffer_ref(obu->obu.metadata.metadata.itut_t35.payload_ref);
1381 ✗ if (!itut_t35.payload_ref) {
1382 ✗ ret = AVERROR(ENOMEM);
1383 ✗ goto end;
1384 }
1385 ✗ ret = av_fifo_write(s->itut_t35_fifo, &itut_t35, 1);
1386 ✗ if (ret < 0) {
1387 ✗ av_buffer_unref(&itut_t35.payload_ref);
1388 ✗ goto end;
1389 }
1390 ✗ break;
1391 }
1392 ✗ default:
1393 ✗ break;
1394 }
1395 ✗ break;
1396 ✗ default:
1397 ✗ av_log(avctx, AV_LOG_DEBUG,
1398 "Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n",
1399 unit->type, unit->data_size);
1400 }
1401
1402
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 322 if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
1403 ✗ int show_frame = s->raw_frame_header->show_frame;
1404 ✗ if (avctx->hwaccel && s->cur_frame.f->buf[0]) {
1405 ✗ ret = avctx->hwaccel->end_frame(avctx);
1406 ✗ if (ret < 0) {
1407 ✗ av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n");
1408 ✗ goto end;
1409 }
1410 }
1411
1412 ✗ ret = update_reference_list(avctx);
1413 ✗ if (ret < 0) {
1414 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
1415 ✗ goto end;
1416 }
1417
1418 ✗ if (s->raw_frame_header->show_frame && s->cur_frame.f->buf[0]) {
1419 ✗ ret = set_output_frame(avctx, frame);
1420 ✗ if (ret < 0) {
1421 ✗ av_log(avctx, AV_LOG_ERROR, "Set output frame error\n");
1422 ✗ goto end;
1423 }
1424 }
1425 ✗ raw_tile_group = NULL;
1426 ✗ s->raw_frame_header = NULL;
1427 ✗ if (show_frame) {
1428 ✗ i++;
1429 ✗ goto end;
1430 }
1431 }
1432 }
1433
1434 ✗ ret = AVERROR(EAGAIN);
1435 330 end:
1436
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 330 av_assert0(i <= s->current_obu.nb_units);
1437 330 s->nb_unit = i;
1438
1439
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 330 if ((ret < 0 && ret != AVERROR(EAGAIN)) || s->current_obu.nb_units == i) {
1440
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 330 if (ret < 0)
1441 330 s->raw_frame_header = NULL;
1442 330 av_packet_unref(s->pkt);
1443 330 ff_cbs_fragment_reset(&s->current_obu);
1444 330 s->nb_unit = 0;
1445 }
1446
1447 330 return ret;
1448 }
1449
1450 372 static int av1_receive_frame(AVCodecContext *avctx, AVFrame *frame)
1451 {
1452 372 AV1DecContext *s = avctx->priv_data;
1453 int ret;
1454
1455 do {
1456
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 372 if (!s->current_obu.nb_units) {
1457 372 ret = ff_decode_get_packet(avctx, s->pkt);
1458
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 372 if (ret < 0)
1459 42 return ret;
1460
1461 330 ret = ff_cbs_read_packet(s->cbc, &s->current_obu, s->pkt);
1462
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 330 if (ret < 0) {
1463 ✗ ff_cbs_fragment_reset(&s->current_obu);
1464 ✗ av_packet_unref(s->pkt);
1465 ✗ av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
1466 ✗ return ret;
1467 }
1468
1469 330 s->nb_unit = 0;
1470 330 av_log(avctx, AV_LOG_DEBUG, "Total OBUs on this packet: %d.\n",
1471 s->current_obu.nb_units);
1472 }
1473
1474 330 ret = av1_receive_frame_internal(avctx, frame);
1475
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 330 } while (ret == AVERROR(EAGAIN));
1476
1477 330 return ret;
1478 }
1479
1480 ✗ static void av1_decode_flush(AVCodecContext *avctx)
1481 {
1482 ✗ AV1DecContext *s = avctx->priv_data;
1483 AV1RawMetadataITUTT35 itut_t35;
1484
1485 ✗ for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
1486 ✗ av1_frame_unref(avctx, &s->ref[i]);
1487
1488 ✗ av1_frame_unref(avctx, &s->cur_frame);
1489 ✗ s->operating_point_idc = 0;
1490 ✗ s->nb_unit = 0;
1491 ✗ s->raw_frame_header = NULL;
1492 ✗ s->raw_seq = NULL;
1493 ✗ s->cll = NULL;
1494 ✗ s->mdcv = NULL;
1495 ✗ while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0)
1496 ✗ av_buffer_unref(&itut_t35.payload_ref);
1497
1498 ✗ ff_cbs_fragment_reset(&s->current_obu);
1499 ✗ ff_cbs_flush(s->cbc);
1500
1501 ✗ if (avctx->hwaccel && avctx->hwaccel->flush)
1502 ✗ avctx->hwaccel->flush(avctx);
1503 }
1504
1505 #define OFFSET(x) offsetof(AV1DecContext, x)
1506 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
1507 static const AVOption av1_options[] = {
1508 { "operating_point", "Select an operating point of the scalable bitstream",
1509 OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, AV1_MAX_OPERATING_POINTS - 1, VD },
1510 { NULL }
1511 };
1512
1513 static const AVClass av1_class = {
1514 .class_name = "AV1 decoder",
1515 .item_name = av_default_item_name,
1516 .option = av1_options,
1517 .version = LIBAVUTIL_VERSION_INT,
1518 };
1519
1520 const FFCodec ff_av1_decoder = {
1521 .p.name = "av1",
1522 CODEC_LONG_NAME("Alliance for Open Media AV1"),
1523 .p.type = AVMEDIA_TYPE_VIDEO,
1524 .p.id = AV_CODEC_ID_AV1,
1525 .priv_data_size = sizeof(AV1DecContext),
1526 .init = av1_decode_init,
1527 .close = av1_decode_free,
1528 FF_CODEC_RECEIVE_FRAME_CB(av1_receive_frame),
1529 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING,
1530 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP |
1531 FF_CODEC_CAP_SETS_PKT_DTS,
1532 .flush = av1_decode_flush,
1533 .p.profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
1534 .p.priv_class = &av1_class,
1535 .hw_configs = (const AVCodecHWConfigInternal *const []) {
1536 #if CONFIG_AV1_DXVA2_HWACCEL
1537 HWACCEL_DXVA2(av1),
1538 #endif
1539 #if CONFIG_AV1_D3D11VA_HWACCEL
1540 HWACCEL_D3D11VA(av1),
1541 #endif
1542 #if CONFIG_AV1_D3D11VA2_HWACCEL
1543 HWACCEL_D3D11VA2(av1),
1544 #endif
1545 #if CONFIG_AV1_NVDEC_HWACCEL
1546 HWACCEL_NVDEC(av1),
1547 #endif
1548 #if CONFIG_AV1_VAAPI_HWACCEL
1549 HWACCEL_VAAPI(av1),
1550 #endif
1551 #if CONFIG_AV1_VDPAU_HWACCEL
1552 HWACCEL_VDPAU(av1),
1553 #endif
1554 #if CONFIG_AV1_VULKAN_HWACCEL
1555 HWACCEL_VULKAN(av1),
1556 #endif
1557
1558 NULL
1559 },
1560 };
1561