4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/pixdesc.h"
29 static void setup_past_independence(AV1Frame *f)
31 f->loop_filter_delta_enabled = 1;
33 f->loop_filter_ref_deltas[AV1_REF_FRAME_INTRA] = 1;
34 f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST] = 0;
35 f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST2] = 0;
36 f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST3] = 0;
37 f->loop_filter_ref_deltas[AV1_REF_FRAME_GOLDEN] = -1;
38 f->loop_filter_ref_deltas[AV1_REF_FRAME_BWDREF] = 0;
39 f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF2] = -1;
40 f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF] = -1;
42 f->loop_filter_mode_deltas[0] = 0;
43 f->loop_filter_mode_deltas[1] = 0;
46 static void load_previous_and_update(AV1DecContext *s)
48 uint8_t primary_frame, prev_frame;
50 primary_frame = s->raw_frame_header->primary_ref_frame;
51 prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
52 memcpy(s->cur_frame.loop_filter_ref_deltas,
53 s->ref[prev_frame].loop_filter_ref_deltas,
54 AV1_NUM_REF_FRAMES * sizeof(int8_t));
55 memcpy(s->cur_frame.loop_filter_mode_deltas,
56 s->ref[prev_frame].loop_filter_mode_deltas,
59 if (s->raw_frame_header->loop_filter_delta_update) {
60 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
61 if (s->raw_frame_header->update_ref_delta[i])
62 s->cur_frame.loop_filter_ref_deltas[i] =
63 s->raw_frame_header->loop_filter_ref_deltas[i];
66 for (int i = 0; i < 2; i++) {
67 if (s->raw_frame_header->update_mode_delta[i])
68 s->cur_frame.loop_filter_mode_deltas[i] =
69 s->raw_frame_header->loop_filter_mode_deltas[i];
73 s->cur_frame.loop_filter_delta_enabled =
74 s->raw_frame_header->loop_filter_delta_enabled;
77 static uint32_t inverse_recenter(int r, uint32_t v)
82 return r - ((v + 1) >> 1);
87 static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp,
91 return inverse_recenter(r, sub_exp);
93 return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
97 static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low,
100 int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
104 static void read_global_param(AV1DecContext *s, int type, int ref, int idx)
106 uint8_t primary_frame, prev_frame;
107 uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx;
110 primary_frame = s->raw_frame_header->primary_ref_frame;
111 prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
112 abs_bits = AV1_GM_ABS_ALPHA_BITS;
113 prec_bits = AV1_GM_ALPHA_PREC_BITS;
116 if (type == AV1_WARP_MODEL_TRANSLATION) {
117 abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS -
118 !s->raw_frame_header->allow_high_precision_mv;
119 prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS -
120 !s->raw_frame_header->allow_high_precision_mv;
122 abs_bits = AV1_GM_ABS_TRANS_BITS;
123 prec_bits = AV1_GM_TRANS_PREC_BITS;
126 round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0;
127 prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits;
128 sub = (idx % 3) == 2 ? (1 << prec_bits) : 0;
130 r = (s->ref[prev_frame].gm_params[ref][idx] >> prec_diff) - sub;
132 s->cur_frame.gm_params[ref][idx] =
133 (decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
134 -mx, mx + 1, r) << prec_diff) + round;
138 * update gm type/params, since cbs already implemented part of this funcation,
139 * so we don't need to full implement spec.
141 static void global_motion_params(AV1DecContext *s)
143 const AV1RawFrameHeader *header = s->raw_frame_header;
146 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
147 s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY;
148 for (int i = 0; i < 6; i++)
149 s->cur_frame.gm_params[ref][i] = (i % 3 == 2) ?
150 1 << AV1_WARPEDMODEL_PREC_BITS : 0;
152 if (header->frame_type == AV1_FRAME_KEY ||
153 header->frame_type == AV1_FRAME_INTRA_ONLY)
156 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
157 if (header->is_global[ref]) {
158 if (header->is_rot_zoom[ref]) {
159 type = AV1_WARP_MODEL_ROTZOOM;
161 type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION
162 : AV1_WARP_MODEL_AFFINE;
165 type = AV1_WARP_MODEL_IDENTITY;
167 s->cur_frame.gm_type[ref] = type;
169 if (type >= AV1_WARP_MODEL_ROTZOOM) {
170 read_global_param(s, type, ref, 2);
171 read_global_param(s, type, ref, 3);
172 if (type == AV1_WARP_MODEL_AFFINE) {
173 read_global_param(s, type, ref, 4);
174 read_global_param(s, type, ref, 5);
176 s->cur_frame.gm_params[ref][4] = -s->cur_frame.gm_params[ref][3];
177 s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2];
180 if (type >= AV1_WARP_MODEL_TRANSLATION) {
181 read_global_param(s, type, ref, 0);
182 read_global_param(s, type, ref, 1);
187 static int init_tile_data(AV1DecContext *s)
191 s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows;
192 if (s->tile_num < cur_tile_num) {
193 int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num,
194 sizeof(TileGroupInfo));
200 s->tile_num = cur_tile_num;
205 static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group)
207 AV1DecContext *s = avctx->priv_data;
209 uint16_t tile_num, tile_row, tile_col;
210 uint32_t size = 0, size_bytes = 0, offset = 0;
213 if ((ret = init_get_bits8(&gb,
214 tile_group->tile_data.data,
215 tile_group->tile_data.data_size)) < 0) {
216 av_log(avctx, AV_LOG_ERROR, "Failed to initialize bitstream reader.\n");
220 s->tg_start = tile_group->tg_start;
221 s->tg_end = tile_group->tg_end;
223 for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
224 tile_row = tile_num / s->raw_frame_header->tile_cols;
225 tile_col = tile_num % s->raw_frame_header->tile_cols;
227 if (tile_num == tile_group->tg_end) {
228 s->tile_group_info[tile_num].tile_size = get_bits_left(&gb) / 8;
229 s->tile_group_info[tile_num].tile_offset = offset;
230 s->tile_group_info[tile_num].tile_row = tile_row;
231 s->tile_group_info[tile_num].tile_column = tile_col;
234 size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
235 size = get_bits_le(&gb, size_bytes * 8) + 1;
236 skip_bits(&gb, size * 8);
238 offset += size_bytes;
240 s->tile_group_info[tile_num].tile_size = size;
241 s->tile_group_info[tile_num].tile_offset = offset;
242 s->tile_group_info[tile_num].tile_row = tile_row;
243 s->tile_group_info[tile_num].tile_column = tile_col;
252 static int get_pixel_format(AVCodecContext *avctx)
254 AV1DecContext *s = avctx->priv_data;
255 const AV1RawSequenceHeader *seq = s->raw_seq;
258 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
259 #define HWACCEL_MAX (0)
260 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
262 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
263 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
264 else if (seq->seq_profile <= 2)
265 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
267 av_log(avctx, AV_LOG_ERROR,
268 "Unknown AV1 profile %d.\n", seq->seq_profile);
272 if (!seq->color_config.mono_chrome) {
273 // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
274 if (seq->color_config.subsampling_x == 0 &&
275 seq->color_config.subsampling_y == 0) {
277 pix_fmt = AV_PIX_FMT_YUV444P;
278 else if (bit_depth == 10)
279 pix_fmt = AV_PIX_FMT_YUV444P10;
280 else if (bit_depth == 12)
281 pix_fmt = AV_PIX_FMT_YUV444P12;
283 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
284 } else if (seq->color_config.subsampling_x == 1 &&
285 seq->color_config.subsampling_y == 0) {
287 pix_fmt = AV_PIX_FMT_YUV422P;
288 else if (bit_depth == 10)
289 pix_fmt = AV_PIX_FMT_YUV422P10;
290 else if (bit_depth == 12)
291 pix_fmt = AV_PIX_FMT_YUV422P12;
293 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
294 } else if (seq->color_config.subsampling_x == 1 &&
295 seq->color_config.subsampling_y == 1) {
297 pix_fmt = AV_PIX_FMT_YUV420P;
298 else if (bit_depth == 10)
299 pix_fmt = AV_PIX_FMT_YUV420P10;
300 else if (bit_depth == 12)
301 pix_fmt = AV_PIX_FMT_YUV420P12;
303 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
306 if (seq->color_config.subsampling_x == 1 &&
307 seq->color_config.subsampling_y == 1)
308 pix_fmt = AV_PIX_FMT_YUV440P;
310 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
313 av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n",
314 av_get_pix_fmt_name(pix_fmt));
316 if (pix_fmt == AV_PIX_FMT_NONE)
318 s->pix_fmt = pix_fmt;
320 *fmtp++ = s->pix_fmt;
321 *fmtp = AV_PIX_FMT_NONE;
323 ret = ff_thread_get_format(avctx, pix_fmts);
328 * check if the HW accel is inited correctly. If not, return un-implemented.
329 * Since now the av1 decoder doesn't support native decode, if it will be
330 * implemented in the future, need remove this check.
332 if (!avctx->hwaccel) {
333 av_log(avctx, AV_LOG_ERROR, "Your platform doesn't suppport"
334 " hardware accelerated AV1 decoding.\n");
335 return AVERROR(ENOSYS);
338 avctx->pix_fmt = ret;
343 static void av1_frame_unref(AVCodecContext *avctx, AV1Frame *f)
345 ff_thread_release_buffer(avctx, &f->tf);
346 av_buffer_unref(&f->hwaccel_priv_buf);
347 f->hwaccel_picture_private = NULL;
350 static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src)
354 ret = ff_thread_ref_frame(&dst->tf, &src->tf);
358 if (src->hwaccel_picture_private) {
359 dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
360 if (!dst->hwaccel_priv_buf)
362 dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
365 dst->loop_filter_delta_enabled = src->loop_filter_delta_enabled;
366 memcpy(dst->loop_filter_ref_deltas,
367 src->loop_filter_ref_deltas,
368 AV1_NUM_REF_FRAMES * sizeof(int8_t));
369 memcpy(dst->loop_filter_mode_deltas,
370 src->loop_filter_mode_deltas,
374 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
375 memcpy(dst->gm_params,
377 AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t));
382 av1_frame_unref(avctx, dst);
383 return AVERROR(ENOMEM);
386 static av_cold int av1_decode_free(AVCodecContext *avctx)
388 AV1DecContext *s = avctx->priv_data;
390 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
391 if (s->ref[i].tf.f->buf[0])
392 av1_frame_unref(avctx, &s->ref[i]);
393 av_frame_free(&s->ref[i].tf.f);
395 if (s->cur_frame.tf.f->buf[0])
396 av1_frame_unref(avctx, &s->cur_frame);
397 av_frame_free(&s->cur_frame.tf.f);
399 av_buffer_unref(&s->seq_ref);
400 av_buffer_unref(&s->header_ref);
401 av_freep(&s->tile_group_info);
403 ff_cbs_fragment_free(&s->current_obu);
404 ff_cbs_close(&s->cbc);
409 static int set_context_with_sequence(AVCodecContext *avctx,
410 const AV1RawSequenceHeader *seq)
412 avctx->profile = seq->seq_profile;
413 avctx->level = seq->seq_level_idx[0];
416 seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
417 avctx->color_primaries = seq->color_config.color_primaries;
418 avctx->colorspace = seq->color_config.color_primaries;
419 avctx->color_trc = seq->color_config.transfer_characteristics;
421 switch (seq->color_config.chroma_sample_position) {
422 case AV1_CSP_VERTICAL:
423 avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
425 case AV1_CSP_COLOCATED:
426 avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
430 if (seq->timing_info.num_units_in_display_tick &&
431 seq->timing_info.time_scale) {
432 av_reduce(&avctx->framerate.den, &avctx->framerate.num,
433 seq->timing_info.num_units_in_display_tick,
434 seq->timing_info.time_scale,
436 if (seq->timing_info.equal_picture_interval)
437 avctx->ticks_per_frame = seq->timing_info.num_ticks_per_picture_minus_1 + 1;
443 static int update_context_with_frame_header(AVCodecContext *avctx,
444 const AV1RawFrameHeader *header)
446 AVRational aspect_ratio;
447 int width = header->frame_width_minus_1 + 1;
448 int height = header->frame_height_minus_1 + 1;
449 int r_width = header->render_width_minus_1 + 1;
450 int r_height = header->render_height_minus_1 + 1;
453 if (avctx->width != width || avctx->height != height) {
454 ret = ff_set_dimensions(avctx, width, height);
459 av_reduce(&aspect_ratio.num, &aspect_ratio.den,
460 (int64_t)height * r_width,
461 (int64_t)width * r_height,
464 if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) {
465 ret = ff_set_sar(avctx, aspect_ratio);
473 static av_cold int av1_decode_init(AVCodecContext *avctx)
475 AV1DecContext *s = avctx->priv_data;
476 AV1RawSequenceHeader *seq;
480 s->pix_fmt = AV_PIX_FMT_NONE;
482 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
483 s->ref[i].tf.f = av_frame_alloc();
484 if (!s->ref[i].tf.f) {
485 av1_decode_free(avctx);
486 av_log(avctx, AV_LOG_ERROR,
487 "Failed to allocate reference frame buffer %d.\n", i);
488 return AVERROR(ENOMEM);
492 s->cur_frame.tf.f = av_frame_alloc();
493 if (!s->cur_frame.tf.f) {
494 av1_decode_free(avctx);
495 av_log(avctx, AV_LOG_ERROR,
496 "Failed to allocate current frame buffer.\n");
497 return AVERROR(ENOMEM);
500 ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx);
504 if (avctx->extradata && avctx->extradata_size) {
505 ret = ff_cbs_read(s->cbc, &s->current_obu, avctx->extradata,
506 avctx->extradata_size);
508 av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n");
512 seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header;
514 av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n");
518 ret = set_context_with_sequence(avctx, seq);
520 av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n");
525 ff_cbs_fragment_reset(&s->current_obu);
531 static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f)
533 AV1DecContext *s = avctx->priv_data;
534 AV1RawFrameHeader *header= s->raw_frame_header;
538 ret = update_context_with_frame_header(avctx, header);
540 av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n");
544 if ((ret = ff_thread_get_buffer(avctx, &f->tf, AV_GET_BUFFER_FLAG_REF)) < 0)
548 frame->key_frame = header->frame_type == AV1_FRAME_KEY;
550 switch (header->frame_type) {
552 case AV1_FRAME_INTRA_ONLY:
553 frame->pict_type = AV_PICTURE_TYPE_I;
555 case AV1_FRAME_INTER:
556 frame->pict_type = AV_PICTURE_TYPE_P;
558 case AV1_FRAME_SWITCH:
559 frame->pict_type = AV_PICTURE_TYPE_SP;
563 if (avctx->hwaccel) {
564 const AVHWAccel *hwaccel = avctx->hwaccel;
565 if (hwaccel->frame_priv_data_size) {
566 f->hwaccel_priv_buf =
567 av_buffer_allocz(hwaccel->frame_priv_data_size);
568 if (!f->hwaccel_priv_buf)
570 f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
576 av1_frame_unref(avctx, f);
577 return AVERROR(ENOMEM);
580 static int set_output_frame(AVCodecContext *avctx, AVFrame *frame,
581 const AVPacket *pkt, int *got_frame)
583 AV1DecContext *s = avctx->priv_data;
584 const AVFrame *srcframe = s->cur_frame.tf.f;
587 ret = av_frame_ref(frame, srcframe);
591 frame->pts = pkt->pts;
592 frame->pkt_dts = pkt->dts;
593 frame->pkt_size = pkt->size;
600 static int update_reference_list(AVCodecContext *avctx)
602 AV1DecContext *s = avctx->priv_data;
603 const AV1RawFrameHeader *header = s->raw_frame_header;
606 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
607 if (header->refresh_frame_flags & (1 << i)) {
608 if (s->ref[i].tf.f->buf[0])
609 av1_frame_unref(avctx, &s->ref[i]);
610 if ((ret = av1_frame_ref(avctx, &s->ref[i], &s->cur_frame)) < 0) {
611 av_log(avctx, AV_LOG_ERROR,
612 "Failed to update frame %d in reference list\n", i);
620 static int get_current_frame(AVCodecContext *avctx)
622 AV1DecContext *s = avctx->priv_data;
625 if (s->cur_frame.tf.f->buf[0])
626 av1_frame_unref(avctx, &s->cur_frame);
628 ret = av1_frame_alloc(avctx, &s->cur_frame);
630 av_log(avctx, AV_LOG_ERROR,
631 "Failed to allocate space for current frame.\n");
635 ret = init_tile_data(s);
637 av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n");
641 if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
642 setup_past_independence(&s->cur_frame);
644 load_previous_and_update(s);
646 global_motion_params(s);
651 static int av1_decode_frame(AVCodecContext *avctx, void *frame,
652 int *got_frame, AVPacket *pkt)
654 AV1DecContext *s = avctx->priv_data;
655 AV1RawTileGroup *raw_tile_group = NULL;
658 ret = ff_cbs_read_packet(s->cbc, &s->current_obu, pkt);
660 av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
663 av_log(avctx, AV_LOG_DEBUG, "Total obu for this frame:%d.\n",
664 s->current_obu.nb_units);
666 for (int i = 0; i < s->current_obu.nb_units; i++) {
667 CodedBitstreamUnit *unit = &s->current_obu.units[i];
668 AV1RawOBU *obu = unit->content;
669 av_log(avctx, AV_LOG_DEBUG, "Obu idx:%d, obu type:%d.\n", i, unit->type);
671 switch (unit->type) {
672 case AV1_OBU_SEQUENCE_HEADER:
673 av_buffer_unref(&s->seq_ref);
674 s->seq_ref = av_buffer_ref(unit->content_ref);
676 ret = AVERROR(ENOMEM);
680 s->raw_seq = &obu->obu.sequence_header;
682 ret = set_context_with_sequence(avctx, s->raw_seq);
684 av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n");
688 if (s->pix_fmt == AV_PIX_FMT_NONE) {
689 ret = get_pixel_format(avctx);
691 av_log(avctx, AV_LOG_ERROR,
692 "Failed to get pixel format.\n");
697 if (avctx->hwaccel && avctx->hwaccel->decode_params) {
698 ret = avctx->hwaccel->decode_params(avctx, unit->type, unit->data,
701 av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
706 case AV1_OBU_REDUNDANT_FRAME_HEADER:
707 if (s->raw_frame_header)
711 case AV1_OBU_FRAME_HEADER:
713 av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
714 ret = AVERROR_INVALIDDATA;
718 av_buffer_unref(&s->header_ref);
719 s->header_ref = av_buffer_ref(unit->content_ref);
720 if (!s->header_ref) {
721 ret = AVERROR(ENOMEM);
725 if (unit->type == AV1_OBU_FRAME)
726 s->raw_frame_header = &obu->obu.frame.header;
728 s->raw_frame_header = &obu->obu.frame_header;
730 if (s->raw_frame_header->show_existing_frame) {
731 if (s->cur_frame.tf.f->buf[0])
732 av1_frame_unref(avctx, &s->cur_frame);
734 ret = av1_frame_ref(avctx, &s->cur_frame,
735 &s->ref[s->raw_frame_header->frame_to_show_map_idx]);
737 av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n");
741 ret = update_reference_list(avctx);
743 av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
747 ret = set_output_frame(avctx, frame, pkt, got_frame);
749 av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n");
751 s->raw_frame_header = NULL;
756 ret = get_current_frame(avctx);
758 av_log(avctx, AV_LOG_ERROR, "Get current frame error\n");
762 if (avctx->hwaccel) {
763 ret = avctx->hwaccel->start_frame(avctx, unit->data,
766 av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n");
770 if (unit->type != AV1_OBU_FRAME)
773 case AV1_OBU_TILE_GROUP:
774 if (!s->raw_frame_header) {
775 av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n");
776 ret = AVERROR_INVALIDDATA;
780 if (unit->type == AV1_OBU_FRAME)
781 raw_tile_group = &obu->obu.frame.tile_group;
783 raw_tile_group = &obu->obu.tile_group;
785 get_tiles_info(avctx, raw_tile_group);
787 if (avctx->hwaccel) {
788 ret = avctx->hwaccel->decode_slice(avctx,
789 raw_tile_group->tile_data.data,
790 raw_tile_group->tile_data.data_size);
792 av_log(avctx, AV_LOG_ERROR,
793 "HW accel decode slice fail.\n");
798 case AV1_OBU_TILE_LIST:
799 case AV1_OBU_TEMPORAL_DELIMITER:
800 case AV1_OBU_PADDING:
801 case AV1_OBU_METADATA:
804 av_log(avctx, AV_LOG_DEBUG,
805 "Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n",
806 unit->type, unit->data_size);
809 if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
810 if (avctx->hwaccel) {
811 ret = avctx->hwaccel->end_frame(avctx);
813 av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n");
818 ret = update_reference_list(avctx);
820 av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
824 if (s->raw_frame_header->show_frame) {
825 ret = set_output_frame(avctx, frame, pkt, got_frame);
827 av_log(avctx, AV_LOG_ERROR, "Set output frame error\n");
831 raw_tile_group = NULL;
832 s->raw_frame_header = NULL;
837 ff_cbs_fragment_reset(&s->current_obu);
841 static void av1_decode_flush(AVCodecContext *avctx)
843 AV1DecContext *s = avctx->priv_data;
845 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
846 av1_frame_unref(avctx, &s->ref[i]);
848 av1_frame_unref(avctx, &s->cur_frame);
849 s->raw_frame_header = NULL;
853 AVCodec ff_av1_decoder = {
855 .long_name = NULL_IF_CONFIG_SMALL("Alliance for Open Media AV1"),
856 .type = AVMEDIA_TYPE_VIDEO,
857 .id = AV_CODEC_ID_AV1,
858 .priv_data_size = sizeof(AV1DecContext),
859 .init = av1_decode_init,
860 .close = av1_decode_free,
861 .decode = av1_decode_frame,
862 .capabilities = AV_CODEC_CAP_DR1,
863 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
864 FF_CODEC_CAP_INIT_CLEANUP |
865 FF_CODEC_CAP_SETS_PKT_DTS,
866 .flush = av1_decode_flush,
867 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
868 .hw_configs = (const AVCodecHWConfigInternal * []) {