1/* 2 * Copyright (c) 2018 Ronald S. Bultje <rsbultje gmail com> 3 * Copyright (c) 2018 James Almer <jamrial gmail com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include <dav1d/dav1d.h> 23 24#include "libavutil/avassert.h" 25#include "libavutil/cpu.h" 26#include "libavutil/film_grain_params.h" 27#include "libavutil/mastering_display_metadata.h" 28#include "libavutil/imgutils.h" 29#include "libavutil/opt.h" 30 31#include "atsc_a53.h" 32#include "avcodec.h" 33#include "bytestream.h" 34#include "codec_internal.h" 35#include "decode.h" 36#include "internal.h" 37 38#define FF_DAV1D_VERSION_AT_LEAST(x,y) \ 39 (DAV1D_API_VERSION_MAJOR > (x) || DAV1D_API_VERSION_MAJOR == (x) && DAV1D_API_VERSION_MINOR >= (y)) 40 41typedef struct Libdav1dContext { 42 AVClass *class; 43 Dav1dContext *c; 44 /* This packet coincides with AVCodecInternal.in_pkt 45 * and is not owned by us. */ 46 AVPacket *pkt; 47 AVBufferPool *pool; 48 int pool_size; 49 50 Dav1dData data; 51 int tile_threads; 52 int frame_threads; 53 int apply_grain; 54 int operating_point; 55 int all_layers; 56} Libdav1dContext; 57 58static const enum AVPixelFormat pix_fmt[][3] = { 59 [DAV1D_PIXEL_LAYOUT_I400] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12 }, 60 [DAV1D_PIXEL_LAYOUT_I420] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12 }, 61 [DAV1D_PIXEL_LAYOUT_I422] = { AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12 }, 62 [DAV1D_PIXEL_LAYOUT_I444] = { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12 }, 63}; 64 65static const enum AVPixelFormat pix_fmt_rgb[3] = { 66 AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, 67}; 68 69static void libdav1d_log_callback(void *opaque, const char *fmt, va_list vl) 70{ 71 AVCodecContext *c = opaque; 72 73 av_vlog(c, AV_LOG_ERROR, fmt, vl); 74} 75 76static int libdav1d_picture_allocator(Dav1dPicture *p, void *cookie) 77{ 78 Libdav1dContext *dav1d = cookie; 79 enum AVPixelFormat format = pix_fmt[p->p.layout][p->seq_hdr->hbd]; 80 int ret, linesize[4], h = FFALIGN(p->p.h, 128), w = FFALIGN(p->p.w, 128); 81 uint8_t *aligned_ptr, *data[4]; 82 AVBufferRef *buf; 83 84 ret = av_image_get_buffer_size(format, w, h, DAV1D_PICTURE_ALIGNMENT); 85 if (ret < 0) 86 return ret; 87 88 if (ret != dav1d->pool_size) { 89 av_buffer_pool_uninit(&dav1d->pool); 90 // Use twice the amount of required padding bytes for aligned_ptr below. 91 dav1d->pool = av_buffer_pool_init(ret + DAV1D_PICTURE_ALIGNMENT * 2, NULL); 92 if (!dav1d->pool) { 93 dav1d->pool_size = 0; 94 return AVERROR(ENOMEM); 95 } 96 dav1d->pool_size = ret; 97 } 98 buf = av_buffer_pool_get(dav1d->pool); 99 if (!buf) 100 return AVERROR(ENOMEM); 101 102 // libdav1d requires DAV1D_PICTURE_ALIGNMENT aligned buffers, which av_malloc() 103 // doesn't guarantee for example when AVX is disabled at configure time. 104 // Use the extra DAV1D_PICTURE_ALIGNMENT padding bytes in the buffer to align it 105 // if required. 106 aligned_ptr = (uint8_t *)FFALIGN((uintptr_t)buf->data, DAV1D_PICTURE_ALIGNMENT); 107 ret = av_image_fill_arrays(data, linesize, aligned_ptr, format, w, h, 108 DAV1D_PICTURE_ALIGNMENT); 109 if (ret < 0) { 110 av_buffer_unref(&buf); 111 return ret; 112 } 113 114 p->data[0] = data[0]; 115 p->data[1] = data[1]; 116 p->data[2] = data[2]; 117 p->stride[0] = linesize[0]; 118 p->stride[1] = linesize[1]; 119 p->allocator_data = buf; 120 121 return 0; 122} 123 124static void libdav1d_picture_release(Dav1dPicture *p, void *cookie) 125{ 126 AVBufferRef *buf = p->allocator_data; 127 128 av_buffer_unref(&buf); 129} 130 131static void libdav1d_init_params(AVCodecContext *c, const Dav1dSequenceHeader *seq) 132{ 133 c->profile = seq->profile; 134 c->level = ((seq->operating_points[0].major_level - 2) << 2) 135 | seq->operating_points[0].minor_level; 136 137 switch (seq->chr) { 138 case DAV1D_CHR_VERTICAL: 139 c->chroma_sample_location = AVCHROMA_LOC_LEFT; 140 break; 141 case DAV1D_CHR_COLOCATED: 142 c->chroma_sample_location = AVCHROMA_LOC_TOPLEFT; 143 break; 144 } 145 c->colorspace = (enum AVColorSpace) seq->mtrx; 146 c->color_primaries = (enum AVColorPrimaries) seq->pri; 147 c->color_trc = (enum AVColorTransferCharacteristic) seq->trc; 148 c->color_range = seq->color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; 149 150 if (seq->layout == DAV1D_PIXEL_LAYOUT_I444 && 151 seq->mtrx == DAV1D_MC_IDENTITY && 152 seq->pri == DAV1D_COLOR_PRI_BT709 && 153 seq->trc == DAV1D_TRC_SRGB) 154 c->pix_fmt = pix_fmt_rgb[seq->hbd]; 155 else 156 c->pix_fmt = pix_fmt[seq->layout][seq->hbd]; 157 158 if (seq->num_units_in_tick && seq->time_scale) { 159 av_reduce(&c->framerate.den, &c->framerate.num, 160 seq->num_units_in_tick, seq->time_scale, INT_MAX); 161 if (seq->equal_picture_interval) 162 c->ticks_per_frame = seq->num_ticks_per_picture; 163 } 164 165 if (seq->film_grain_present) 166 c->properties |= FF_CODEC_PROPERTY_FILM_GRAIN; 167 else 168 c->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN; 169} 170 171static av_cold int libdav1d_parse_extradata(AVCodecContext *c) 172{ 173 Dav1dSequenceHeader seq; 174 size_t offset = 0; 175 int res; 176 177 if (!c->extradata || c->extradata_size <= 0) 178 return 0; 179 180 if (c->extradata[0] & 0x80) { 181 int version = c->extradata[0] & 0x7F; 182 183 if (version != 1 || c->extradata_size < 4) { 184 int explode = !!(c->err_recognition & AV_EF_EXPLODE); 185 av_log(c, explode ? AV_LOG_ERROR : AV_LOG_WARNING, 186 "Error decoding extradata\n"); 187 return explode ? AVERROR_INVALIDDATA : 0; 188 } 189 190 // Do nothing if there are no configOBUs to parse 191 if (c->extradata_size == 4) 192 return 0; 193 194 offset = 4; 195 } 196 197 res = dav1d_parse_sequence_header(&seq, c->extradata + offset, 198 c->extradata_size - offset); 199 if (res < 0) 200 return 0; // Assume no seqhdr OBUs are present 201 202 libdav1d_init_params(c, &seq); 203 res = ff_set_dimensions(c, seq.max_width, seq.max_height); 204 if (res < 0) 205 return res; 206 207 return 0; 208} 209 210static av_cold int libdav1d_init(AVCodecContext *c) 211{ 212 Libdav1dContext *dav1d = c->priv_data; 213 Dav1dSettings s; 214#if FF_DAV1D_VERSION_AT_LEAST(6,0) 215 int threads = c->thread_count; 216#else 217 int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2; 218#endif 219 int res; 220 221 dav1d->pkt = c->internal->in_pkt; 222 223 av_log(c, AV_LOG_INFO, "libdav1d %s\n", dav1d_version()); 224 225 dav1d_default_settings(&s); 226 s.logger.cookie = c; 227 s.logger.callback = libdav1d_log_callback; 228 s.allocator.cookie = dav1d; 229 s.allocator.alloc_picture_callback = libdav1d_picture_allocator; 230 s.allocator.release_picture_callback = libdav1d_picture_release; 231 s.frame_size_limit = c->max_pixels; 232 if (dav1d->apply_grain >= 0) 233 s.apply_grain = dav1d->apply_grain; 234 else 235 s.apply_grain = !(c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN); 236 237 s.all_layers = dav1d->all_layers; 238 if (dav1d->operating_point >= 0) 239 s.operating_point = dav1d->operating_point; 240#if FF_DAV1D_VERSION_AT_LEAST(6,2) 241 s.strict_std_compliance = c->strict_std_compliance > 0; 242#endif 243 244#if FF_DAV1D_VERSION_AT_LEAST(6,0) 245 if (dav1d->frame_threads || dav1d->tile_threads) 246 s.n_threads = FFMAX(dav1d->frame_threads, dav1d->tile_threads); 247 else 248 s.n_threads = FFMIN(threads, DAV1D_MAX_THREADS); 249 s.max_frame_delay = (c->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : 0; 250 av_log(c, AV_LOG_DEBUG, "Using %d threads, %d max_frame_delay\n", 251 s.n_threads, s.max_frame_delay); 252#else 253 s.n_tile_threads = dav1d->tile_threads 254 ? dav1d->tile_threads 255 : FFMIN(floor(sqrt(threads)), DAV1D_MAX_TILE_THREADS); 256 s.n_frame_threads = dav1d->frame_threads 257 ? dav1d->frame_threads 258 : FFMIN(ceil(threads / s.n_tile_threads), DAV1D_MAX_FRAME_THREADS); 259 av_log(c, AV_LOG_DEBUG, "Using %d frame threads, %d tile threads\n", 260 s.n_frame_threads, s.n_tile_threads); 261#endif 262 263 res = libdav1d_parse_extradata(c); 264 if (res < 0) 265 return res; 266 267 res = dav1d_open(&dav1d->c, &s); 268 if (res < 0) 269 return AVERROR(ENOMEM); 270 271 return 0; 272} 273 274static void libdav1d_flush(AVCodecContext *c) 275{ 276 Libdav1dContext *dav1d = c->priv_data; 277 278 dav1d_data_unref(&dav1d->data); 279 dav1d_flush(dav1d->c); 280} 281 282static void libdav1d_data_free(const uint8_t *data, void *opaque) { 283 AVBufferRef *buf = opaque; 284 285 av_buffer_unref(&buf); 286} 287 288static void libdav1d_user_data_free(const uint8_t *data, void *opaque) { 289 av_assert0(data == opaque); 290 av_free(opaque); 291} 292 293static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame) 294{ 295 Libdav1dContext *dav1d = c->priv_data; 296 Dav1dData *data = &dav1d->data; 297 Dav1dPicture pic = { 0 }, *p = &pic; 298#if FF_DAV1D_VERSION_AT_LEAST(5,1) 299 enum Dav1dEventFlags event_flags = 0; 300#endif 301 int res; 302 303 if (!data->sz) { 304 AVPacket *const pkt = dav1d->pkt; 305 306 res = ff_decode_get_packet(c, pkt); 307 if (res < 0 && res != AVERROR_EOF) 308 return res; 309 310 if (pkt->size) { 311 res = dav1d_data_wrap(data, pkt->data, pkt->size, 312 libdav1d_data_free, pkt->buf); 313 if (res < 0) { 314 av_packet_unref(pkt); 315 return res; 316 } 317 318 data->m.timestamp = pkt->pts; 319 data->m.offset = pkt->pos; 320 data->m.duration = pkt->duration; 321 322 pkt->buf = NULL; 323 av_packet_unref(pkt); 324 325 if (c->reordered_opaque != AV_NOPTS_VALUE) { 326 uint8_t *reordered_opaque = av_memdup(&c->reordered_opaque, 327 sizeof(c->reordered_opaque)); 328 if (!reordered_opaque) { 329 dav1d_data_unref(data); 330 return AVERROR(ENOMEM); 331 } 332 333 res = dav1d_data_wrap_user_data(data, reordered_opaque, 334 libdav1d_user_data_free, reordered_opaque); 335 if (res < 0) { 336 av_free(reordered_opaque); 337 dav1d_data_unref(data); 338 return res; 339 } 340 } 341 } else if (res >= 0) { 342 av_packet_unref(pkt); 343 return AVERROR(EAGAIN); 344 } 345 } 346 347 res = dav1d_send_data(dav1d->c, data); 348 if (res < 0) { 349 if (res == AVERROR(EINVAL)) 350 res = AVERROR_INVALIDDATA; 351 if (res != AVERROR(EAGAIN)) { 352 dav1d_data_unref(data); 353 return res; 354 } 355 } 356 357 res = dav1d_get_picture(dav1d->c, p); 358 if (res < 0) { 359 if (res == AVERROR(EINVAL)) 360 res = AVERROR_INVALIDDATA; 361 else if (res == AVERROR(EAGAIN) && c->internal->draining) 362 res = AVERROR_EOF; 363 364 return res; 365 } 366 367 av_assert0(p->data[0] && p->allocator_data); 368 369 // This requires the custom allocator above 370 frame->buf[0] = av_buffer_ref(p->allocator_data); 371 if (!frame->buf[0]) { 372 dav1d_picture_unref(p); 373 return AVERROR(ENOMEM); 374 } 375 376 frame->data[0] = p->data[0]; 377 frame->data[1] = p->data[1]; 378 frame->data[2] = p->data[2]; 379 frame->linesize[0] = p->stride[0]; 380 frame->linesize[1] = p->stride[1]; 381 frame->linesize[2] = p->stride[1]; 382 383#if FF_DAV1D_VERSION_AT_LEAST(5,1) 384 dav1d_get_event_flags(dav1d->c, &event_flags); 385 if (c->pix_fmt == AV_PIX_FMT_NONE || 386 event_flags & DAV1D_EVENT_FLAG_NEW_SEQUENCE) 387#endif 388 libdav1d_init_params(c, p->seq_hdr); 389 res = ff_decode_frame_props(c, frame); 390 if (res < 0) 391 goto fail; 392 393 frame->width = p->p.w; 394 frame->height = p->p.h; 395 if (c->width != p->p.w || c->height != p->p.h) { 396 res = ff_set_dimensions(c, p->p.w, p->p.h); 397 if (res < 0) 398 goto fail; 399 } 400 401 av_reduce(&frame->sample_aspect_ratio.num, 402 &frame->sample_aspect_ratio.den, 403 frame->height * (int64_t)p->frame_hdr->render_width, 404 frame->width * (int64_t)p->frame_hdr->render_height, 405 INT_MAX); 406 ff_set_sar(c, frame->sample_aspect_ratio); 407 408 if (p->m.user_data.data) 409 memcpy(&frame->reordered_opaque, p->m.user_data.data, sizeof(frame->reordered_opaque)); 410 else 411 frame->reordered_opaque = AV_NOPTS_VALUE; 412 413 // match timestamps and packet size 414 frame->pts = p->m.timestamp; 415 frame->pkt_dts = p->m.timestamp; 416 frame->pkt_pos = p->m.offset; 417 frame->pkt_size = p->m.size; 418 frame->pkt_duration = p->m.duration; 419 frame->key_frame = p->frame_hdr->frame_type == DAV1D_FRAME_TYPE_KEY; 420 421 switch (p->frame_hdr->frame_type) { 422 case DAV1D_FRAME_TYPE_KEY: 423 case DAV1D_FRAME_TYPE_INTRA: 424 frame->pict_type = AV_PICTURE_TYPE_I; 425 break; 426 case DAV1D_FRAME_TYPE_INTER: 427 frame->pict_type = AV_PICTURE_TYPE_P; 428 break; 429 case DAV1D_FRAME_TYPE_SWITCH: 430 frame->pict_type = AV_PICTURE_TYPE_SP; 431 break; 432 default: 433 res = AVERROR_INVALIDDATA; 434 goto fail; 435 } 436 437 if (p->mastering_display) { 438 AVMasteringDisplayMetadata *mastering = av_mastering_display_metadata_create_side_data(frame); 439 if (!mastering) { 440 res = AVERROR(ENOMEM); 441 goto fail; 442 } 443 444 for (int i = 0; i < 3; i++) { 445 mastering->display_primaries[i][0] = av_make_q(p->mastering_display->primaries[i][0], 1 << 16); 446 mastering->display_primaries[i][1] = av_make_q(p->mastering_display->primaries[i][1], 1 << 16); 447 } 448 mastering->white_point[0] = av_make_q(p->mastering_display->white_point[0], 1 << 16); 449 mastering->white_point[1] = av_make_q(p->mastering_display->white_point[1], 1 << 16); 450 451 mastering->max_luminance = av_make_q(p->mastering_display->max_luminance, 1 << 8); 452 mastering->min_luminance = av_make_q(p->mastering_display->min_luminance, 1 << 14); 453 454 mastering->has_primaries = 1; 455 mastering->has_luminance = 1; 456 } 457 if (p->content_light) { 458 AVContentLightMetadata *light = av_content_light_metadata_create_side_data(frame); 459 if (!light) { 460 res = AVERROR(ENOMEM); 461 goto fail; 462 } 463 light->MaxCLL = p->content_light->max_content_light_level; 464 light->MaxFALL = p->content_light->max_frame_average_light_level; 465 } 466 if (p->itut_t35) { 467 GetByteContext gb; 468 unsigned int user_identifier; 469 470 bytestream2_init(&gb, p->itut_t35->payload, p->itut_t35->payload_size); 471 bytestream2_skip(&gb, 1); // terminal provider code 472 bytestream2_skip(&gb, 1); // terminal provider oriented code 473 user_identifier = bytestream2_get_be32(&gb); 474 switch (user_identifier) { 475 case MKBETAG('G', 'A', '9', '4'): { // closed captions 476 AVBufferRef *buf = NULL; 477 478 res = ff_parse_a53_cc(&buf, gb.buffer, bytestream2_get_bytes_left(&gb)); 479 if (res < 0) 480 goto fail; 481 if (!res) 482 break; 483 484 if (!av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_A53_CC, buf)) 485 av_buffer_unref(&buf); 486 487 c->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS; 488 break; 489 } 490 default: // ignore unsupported identifiers 491 break; 492 } 493 } 494 if (p->frame_hdr->film_grain.present && (!dav1d->apply_grain || 495 (c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN))) { 496 AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame); 497 if (!fgp) { 498 res = AVERROR(ENOMEM); 499 goto fail; 500 } 501 502 fgp->type = AV_FILM_GRAIN_PARAMS_AV1; 503 fgp->seed = p->frame_hdr->film_grain.data.seed; 504 fgp->codec.aom.num_y_points = p->frame_hdr->film_grain.data.num_y_points; 505 fgp->codec.aom.chroma_scaling_from_luma = p->frame_hdr->film_grain.data.chroma_scaling_from_luma; 506 fgp->codec.aom.scaling_shift = p->frame_hdr->film_grain.data.scaling_shift; 507 fgp->codec.aom.ar_coeff_lag = p->frame_hdr->film_grain.data.ar_coeff_lag; 508 fgp->codec.aom.ar_coeff_shift = p->frame_hdr->film_grain.data.ar_coeff_shift; 509 fgp->codec.aom.grain_scale_shift = p->frame_hdr->film_grain.data.grain_scale_shift; 510 fgp->codec.aom.overlap_flag = p->frame_hdr->film_grain.data.overlap_flag; 511 fgp->codec.aom.limit_output_range = p->frame_hdr->film_grain.data.clip_to_restricted_range; 512 513 memcpy(&fgp->codec.aom.y_points, &p->frame_hdr->film_grain.data.y_points, 514 sizeof(fgp->codec.aom.y_points)); 515 memcpy(&fgp->codec.aom.num_uv_points, &p->frame_hdr->film_grain.data.num_uv_points, 516 sizeof(fgp->codec.aom.num_uv_points)); 517 memcpy(&fgp->codec.aom.uv_points, &p->frame_hdr->film_grain.data.uv_points, 518 sizeof(fgp->codec.aom.uv_points)); 519 memcpy(&fgp->codec.aom.ar_coeffs_y, &p->frame_hdr->film_grain.data.ar_coeffs_y, 520 sizeof(fgp->codec.aom.ar_coeffs_y)); 521 memcpy(&fgp->codec.aom.ar_coeffs_uv[0], &p->frame_hdr->film_grain.data.ar_coeffs_uv[0], 522 sizeof(fgp->codec.aom.ar_coeffs_uv[0])); 523 memcpy(&fgp->codec.aom.ar_coeffs_uv[1], &p->frame_hdr->film_grain.data.ar_coeffs_uv[1], 524 sizeof(fgp->codec.aom.ar_coeffs_uv[1])); 525 memcpy(&fgp->codec.aom.uv_mult, &p->frame_hdr->film_grain.data.uv_mult, 526 sizeof(fgp->codec.aom.uv_mult)); 527 memcpy(&fgp->codec.aom.uv_mult_luma, &p->frame_hdr->film_grain.data.uv_luma_mult, 528 sizeof(fgp->codec.aom.uv_mult_luma)); 529 memcpy(&fgp->codec.aom.uv_offset, &p->frame_hdr->film_grain.data.uv_offset, 530 sizeof(fgp->codec.aom.uv_offset)); 531 } 532 533 res = 0; 534fail: 535 dav1d_picture_unref(p); 536 if (res < 0) 537 av_frame_unref(frame); 538 return res; 539} 540 541static av_cold int libdav1d_close(AVCodecContext *c) 542{ 543 Libdav1dContext *dav1d = c->priv_data; 544 545 av_buffer_pool_uninit(&dav1d->pool); 546 dav1d_data_unref(&dav1d->data); 547 dav1d_close(&dav1d->c); 548 549 return 0; 550} 551 552#ifndef DAV1D_MAX_FRAME_THREADS 553#define DAV1D_MAX_FRAME_THREADS DAV1D_MAX_THREADS 554#endif 555#ifndef DAV1D_MAX_TILE_THREADS 556#define DAV1D_MAX_TILE_THREADS DAV1D_MAX_THREADS 557#endif 558 559#define OFFSET(x) offsetof(Libdav1dContext, x) 560#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM 561static const AVOption libdav1d_options[] = { 562 { "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD | AV_OPT_FLAG_DEPRECATED }, 563 { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD | AV_OPT_FLAG_DEPRECATED }, 564 { "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD | AV_OPT_FLAG_DEPRECATED }, 565 { "oppoint", "Select an operating point of the scalable bitstream", OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 31, VD }, 566 { "alllayers", "Output all spatial layers", OFFSET(all_layers), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD }, 567 { NULL } 568}; 569 570static const AVClass libdav1d_class = { 571 .class_name = "libdav1d decoder", 572 .item_name = av_default_item_name, 573 .option = libdav1d_options, 574 .version = LIBAVUTIL_VERSION_INT, 575}; 576 577const FFCodec ff_libdav1d_decoder = { 578 .p.name = "libdav1d", 579 .p.long_name = NULL_IF_CONFIG_SMALL("dav1d AV1 decoder by VideoLAN"), 580 .p.type = AVMEDIA_TYPE_VIDEO, 581 .p.id = AV_CODEC_ID_AV1, 582 .priv_data_size = sizeof(Libdav1dContext), 583 .init = libdav1d_init, 584 .close = libdav1d_close, 585 .flush = libdav1d_flush, 586 FF_CODEC_RECEIVE_FRAME_CB(libdav1d_receive_frame), 587 .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS, 588 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_SETS_PKT_DTS | 589 FF_CODEC_CAP_AUTO_THREADS, 590 .p.priv_class = &libdav1d_class, 591 .p.wrapper_name = "libdav1d", 592}; 593