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"
24 #include "bytestream.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;
212 bytestream2_init(&gb, tile_group->tile_data.data,
213 tile_group->tile_data.data_size);
214 s->tg_start = tile_group->tg_start;
215 s->tg_end = tile_group->tg_end;
217 for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
218 tile_row = tile_num / s->raw_frame_header->tile_cols;
219 tile_col = tile_num % s->raw_frame_header->tile_cols;
221 if (tile_num == tile_group->tg_end) {
222 s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb);
223 s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
224 s->tile_group_info[tile_num].tile_row = tile_row;
225 s->tile_group_info[tile_num].tile_column = tile_col;
228 size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
229 if (bytestream2_get_bytes_left(&gb) < size_bytes)
230 return AVERROR_INVALIDDATA;
232 for (int i = 0; i < size_bytes; i++)
233 size |= bytestream2_get_byteu(&gb) << 8 * i;
234 if (bytestream2_get_bytes_left(&gb) <= size)
235 return AVERROR_INVALIDDATA;
238 s->tile_group_info[tile_num].tile_size = size;
239 s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb);
240 s->tile_group_info[tile_num].tile_row = tile_row;
241 s->tile_group_info[tile_num].tile_column = tile_col;
243 bytestream2_skipu(&gb, size);
250 static int get_pixel_format(AVCodecContext *avctx)
252 AV1DecContext *s = avctx->priv_data;
253 const AV1RawSequenceHeader *seq = s->raw_seq;
256 enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
257 #define HWACCEL_MAX (0)
258 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
260 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
261 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
262 else if (seq->seq_profile <= 2)
263 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
265 av_log(avctx, AV_LOG_ERROR,
266 "Unknown AV1 profile %d.\n", seq->seq_profile);
270 if (!seq->color_config.mono_chrome) {
271 // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
272 if (seq->color_config.subsampling_x == 0 &&
273 seq->color_config.subsampling_y == 0) {
275 pix_fmt = AV_PIX_FMT_YUV444P;
276 else if (bit_depth == 10)
277 pix_fmt = AV_PIX_FMT_YUV444P10;
278 else if (bit_depth == 12)
279 pix_fmt = AV_PIX_FMT_YUV444P12;
281 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
282 } else if (seq->color_config.subsampling_x == 1 &&
283 seq->color_config.subsampling_y == 0) {
285 pix_fmt = AV_PIX_FMT_YUV422P;
286 else if (bit_depth == 10)
287 pix_fmt = AV_PIX_FMT_YUV422P10;
288 else if (bit_depth == 12)
289 pix_fmt = AV_PIX_FMT_YUV422P12;
291 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
292 } else if (seq->color_config.subsampling_x == 1 &&
293 seq->color_config.subsampling_y == 1) {
295 pix_fmt = AV_PIX_FMT_YUV420P;
296 else if (bit_depth == 10)
297 pix_fmt = AV_PIX_FMT_YUV420P10;
298 else if (bit_depth == 12)
299 pix_fmt = AV_PIX_FMT_YUV420P12;
301 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
304 if (seq->color_config.subsampling_x == 1 &&
305 seq->color_config.subsampling_y == 1)
306 pix_fmt = AV_PIX_FMT_YUV440P;
308 av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n");
311 av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n",
312 av_get_pix_fmt_name(pix_fmt));
314 if (pix_fmt == AV_PIX_FMT_NONE)
316 s->pix_fmt = pix_fmt;
318 *fmtp++ = s->pix_fmt;
319 *fmtp = AV_PIX_FMT_NONE;
321 ret = ff_thread_get_format(avctx, pix_fmts);
326 * check if the HW accel is inited correctly. If not, return un-implemented.
327 * Since now the av1 decoder doesn't support native decode, if it will be
328 * implemented in the future, need remove this check.
330 if (!avctx->hwaccel) {
331 av_log(avctx, AV_LOG_ERROR, "Your platform doesn't suppport"
332 " hardware accelerated AV1 decoding.\n");
333 return AVERROR(ENOSYS);
336 avctx->pix_fmt = ret;
341 static void av1_frame_unref(AVCodecContext *avctx, AV1Frame *f)
343 ff_thread_release_buffer(avctx, &f->tf);
344 av_buffer_unref(&f->hwaccel_priv_buf);
345 f->hwaccel_picture_private = NULL;
348 static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src)
352 ret = ff_thread_ref_frame(&dst->tf, &src->tf);
356 if (src->hwaccel_picture_private) {
357 dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
358 if (!dst->hwaccel_priv_buf)
360 dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
363 dst->loop_filter_delta_enabled = src->loop_filter_delta_enabled;
364 memcpy(dst->loop_filter_ref_deltas,
365 src->loop_filter_ref_deltas,
366 AV1_NUM_REF_FRAMES * sizeof(int8_t));
367 memcpy(dst->loop_filter_mode_deltas,
368 src->loop_filter_mode_deltas,
372 AV1_NUM_REF_FRAMES * sizeof(uint8_t));
373 memcpy(dst->gm_params,
375 AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t));
380 av1_frame_unref(avctx, dst);
381 return AVERROR(ENOMEM);
384 static av_cold int av1_decode_free(AVCodecContext *avctx)
386 AV1DecContext *s = avctx->priv_data;
388 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
389 av1_frame_unref(avctx, &s->ref[i]);
390 av_frame_free(&s->ref[i].tf.f);
392 av1_frame_unref(avctx, &s->cur_frame);
393 av_frame_free(&s->cur_frame.tf.f);
395 av_buffer_unref(&s->seq_ref);
396 av_buffer_unref(&s->header_ref);
397 av_freep(&s->tile_group_info);
399 ff_cbs_fragment_free(&s->current_obu);
400 ff_cbs_close(&s->cbc);
405 static int set_context_with_sequence(AVCodecContext *avctx,
406 const AV1RawSequenceHeader *seq)
408 avctx->profile = seq->seq_profile;
409 avctx->level = seq->seq_level_idx[0];
412 seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
413 avctx->color_primaries = seq->color_config.color_primaries;
414 avctx->colorspace = seq->color_config.color_primaries;
415 avctx->color_trc = seq->color_config.transfer_characteristics;
417 switch (seq->color_config.chroma_sample_position) {
418 case AV1_CSP_VERTICAL:
419 avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
421 case AV1_CSP_COLOCATED:
422 avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
426 if (seq->timing_info.num_units_in_display_tick &&
427 seq->timing_info.time_scale) {
428 av_reduce(&avctx->framerate.den, &avctx->framerate.num,
429 seq->timing_info.num_units_in_display_tick,
430 seq->timing_info.time_scale,
432 if (seq->timing_info.equal_picture_interval)
433 avctx->ticks_per_frame = seq->timing_info.num_ticks_per_picture_minus_1 + 1;
439 static int update_context_with_frame_header(AVCodecContext *avctx,
440 const AV1RawFrameHeader *header)
442 AVRational aspect_ratio;
443 int width = header->frame_width_minus_1 + 1;
444 int height = header->frame_height_minus_1 + 1;
445 int r_width = header->render_width_minus_1 + 1;
446 int r_height = header->render_height_minus_1 + 1;
449 if (avctx->width != width || avctx->height != height) {
450 ret = ff_set_dimensions(avctx, width, height);
455 av_reduce(&aspect_ratio.num, &aspect_ratio.den,
456 (int64_t)height * r_width,
457 (int64_t)width * r_height,
460 if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) {
461 ret = ff_set_sar(avctx, aspect_ratio);
469 static av_cold int av1_decode_init(AVCodecContext *avctx)
471 AV1DecContext *s = avctx->priv_data;
472 AV1RawSequenceHeader *seq;
476 s->pix_fmt = AV_PIX_FMT_NONE;
478 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) {
479 s->ref[i].tf.f = av_frame_alloc();
480 if (!s->ref[i].tf.f) {
481 av_log(avctx, AV_LOG_ERROR,
482 "Failed to allocate reference frame buffer %d.\n", i);
483 return AVERROR(ENOMEM);
487 s->cur_frame.tf.f = av_frame_alloc();
488 if (!s->cur_frame.tf.f) {
489 av_log(avctx, AV_LOG_ERROR,
490 "Failed to allocate current frame buffer.\n");
491 return AVERROR(ENOMEM);
494 ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx);
498 if (avctx->extradata && avctx->extradata_size) {
499 ret = ff_cbs_read(s->cbc, &s->current_obu, avctx->extradata,
500 avctx->extradata_size);
502 av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n");
506 seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header;
508 av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n");
512 ret = set_context_with_sequence(avctx, seq);
514 av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n");
519 ff_cbs_fragment_reset(&s->current_obu);
525 static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f)
527 AV1DecContext *s = avctx->priv_data;
528 AV1RawFrameHeader *header= s->raw_frame_header;
532 ret = update_context_with_frame_header(avctx, header);
534 av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n");
538 if ((ret = ff_thread_get_buffer(avctx, &f->tf, AV_GET_BUFFER_FLAG_REF)) < 0)
542 frame->key_frame = header->frame_type == AV1_FRAME_KEY;
544 switch (header->frame_type) {
546 case AV1_FRAME_INTRA_ONLY:
547 frame->pict_type = AV_PICTURE_TYPE_I;
549 case AV1_FRAME_INTER:
550 frame->pict_type = AV_PICTURE_TYPE_P;
552 case AV1_FRAME_SWITCH:
553 frame->pict_type = AV_PICTURE_TYPE_SP;
557 if (avctx->hwaccel) {
558 const AVHWAccel *hwaccel = avctx->hwaccel;
559 if (hwaccel->frame_priv_data_size) {
560 f->hwaccel_priv_buf =
561 av_buffer_allocz(hwaccel->frame_priv_data_size);
562 if (!f->hwaccel_priv_buf)
564 f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
570 av1_frame_unref(avctx, f);
571 return AVERROR(ENOMEM);
574 static int set_output_frame(AVCodecContext *avctx, AVFrame *frame,
575 const AVPacket *pkt, int *got_frame)
577 AV1DecContext *s = avctx->priv_data;
578 const AVFrame *srcframe = s->cur_frame.tf.f;
581 ret = av_frame_ref(frame, srcframe);
585 frame->pts = pkt->pts;
586 frame->pkt_dts = pkt->dts;
587 frame->pkt_size = pkt->size;
594 static int update_reference_list(AVCodecContext *avctx)
596 AV1DecContext *s = avctx->priv_data;
597 const AV1RawFrameHeader *header = s->raw_frame_header;
600 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
601 if (header->refresh_frame_flags & (1 << i)) {
602 if (s->ref[i].tf.f->buf[0])
603 av1_frame_unref(avctx, &s->ref[i]);
604 if ((ret = av1_frame_ref(avctx, &s->ref[i], &s->cur_frame)) < 0) {
605 av_log(avctx, AV_LOG_ERROR,
606 "Failed to update frame %d in reference list\n", i);
614 static int get_current_frame(AVCodecContext *avctx)
616 AV1DecContext *s = avctx->priv_data;
619 if (s->cur_frame.tf.f->buf[0])
620 av1_frame_unref(avctx, &s->cur_frame);
622 ret = av1_frame_alloc(avctx, &s->cur_frame);
624 av_log(avctx, AV_LOG_ERROR,
625 "Failed to allocate space for current frame.\n");
629 ret = init_tile_data(s);
631 av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n");
635 if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
636 setup_past_independence(&s->cur_frame);
638 load_previous_and_update(s);
640 global_motion_params(s);
645 static int av1_decode_frame(AVCodecContext *avctx, void *frame,
646 int *got_frame, AVPacket *pkt)
648 AV1DecContext *s = avctx->priv_data;
649 AV1RawTileGroup *raw_tile_group = NULL;
652 ret = ff_cbs_read_packet(s->cbc, &s->current_obu, pkt);
654 av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
657 av_log(avctx, AV_LOG_DEBUG, "Total obu for this frame:%d.\n",
658 s->current_obu.nb_units);
660 for (int i = 0; i < s->current_obu.nb_units; i++) {
661 CodedBitstreamUnit *unit = &s->current_obu.units[i];
662 AV1RawOBU *obu = unit->content;
663 av_log(avctx, AV_LOG_DEBUG, "Obu idx:%d, obu type:%d.\n", i, unit->type);
665 switch (unit->type) {
666 case AV1_OBU_SEQUENCE_HEADER:
667 av_buffer_unref(&s->seq_ref);
668 s->seq_ref = av_buffer_ref(unit->content_ref);
670 ret = AVERROR(ENOMEM);
674 s->raw_seq = &obu->obu.sequence_header;
676 ret = set_context_with_sequence(avctx, s->raw_seq);
678 av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n");
682 if (s->pix_fmt == AV_PIX_FMT_NONE) {
683 ret = get_pixel_format(avctx);
685 av_log(avctx, AV_LOG_ERROR,
686 "Failed to get pixel format.\n");
691 if (avctx->hwaccel && avctx->hwaccel->decode_params) {
692 ret = avctx->hwaccel->decode_params(avctx, unit->type, unit->data,
695 av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n");
700 case AV1_OBU_REDUNDANT_FRAME_HEADER:
701 if (s->raw_frame_header)
705 case AV1_OBU_FRAME_HEADER:
707 av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
708 ret = AVERROR_INVALIDDATA;
712 av_buffer_unref(&s->header_ref);
713 s->header_ref = av_buffer_ref(unit->content_ref);
714 if (!s->header_ref) {
715 ret = AVERROR(ENOMEM);
719 if (unit->type == AV1_OBU_FRAME)
720 s->raw_frame_header = &obu->obu.frame.header;
722 s->raw_frame_header = &obu->obu.frame_header;
724 if (s->raw_frame_header->show_existing_frame) {
725 if (s->cur_frame.tf.f->buf[0])
726 av1_frame_unref(avctx, &s->cur_frame);
728 ret = av1_frame_ref(avctx, &s->cur_frame,
729 &s->ref[s->raw_frame_header->frame_to_show_map_idx]);
731 av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n");
735 ret = update_reference_list(avctx);
737 av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
741 ret = set_output_frame(avctx, frame, pkt, got_frame);
743 av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n");
745 s->raw_frame_header = NULL;
750 ret = get_current_frame(avctx);
752 av_log(avctx, AV_LOG_ERROR, "Get current frame error\n");
756 if (avctx->hwaccel) {
757 ret = avctx->hwaccel->start_frame(avctx, unit->data,
760 av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n");
764 if (unit->type != AV1_OBU_FRAME)
767 case AV1_OBU_TILE_GROUP:
768 if (!s->raw_frame_header) {
769 av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n");
770 ret = AVERROR_INVALIDDATA;
774 if (unit->type == AV1_OBU_FRAME)
775 raw_tile_group = &obu->obu.frame.tile_group;
777 raw_tile_group = &obu->obu.tile_group;
779 ret = get_tiles_info(avctx, raw_tile_group);
783 if (avctx->hwaccel) {
784 ret = avctx->hwaccel->decode_slice(avctx,
785 raw_tile_group->tile_data.data,
786 raw_tile_group->tile_data.data_size);
788 av_log(avctx, AV_LOG_ERROR,
789 "HW accel decode slice fail.\n");
794 case AV1_OBU_TILE_LIST:
795 case AV1_OBU_TEMPORAL_DELIMITER:
796 case AV1_OBU_PADDING:
797 case AV1_OBU_METADATA:
800 av_log(avctx, AV_LOG_DEBUG,
801 "Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n",
802 unit->type, unit->data_size);
805 if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
806 if (avctx->hwaccel) {
807 ret = avctx->hwaccel->end_frame(avctx);
809 av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n");
814 ret = update_reference_list(avctx);
816 av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n");
820 if (s->raw_frame_header->show_frame) {
821 ret = set_output_frame(avctx, frame, pkt, got_frame);
823 av_log(avctx, AV_LOG_ERROR, "Set output frame error\n");
827 raw_tile_group = NULL;
828 s->raw_frame_header = NULL;
833 ff_cbs_fragment_reset(&s->current_obu);
837 static void av1_decode_flush(AVCodecContext *avctx)
839 AV1DecContext *s = avctx->priv_data;
841 for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++)
842 av1_frame_unref(avctx, &s->ref[i]);
844 av1_frame_unref(avctx, &s->cur_frame);
845 s->raw_frame_header = NULL;
849 AVCodec ff_av1_decoder = {
851 .long_name = NULL_IF_CONFIG_SMALL("Alliance for Open Media AV1"),
852 .type = AVMEDIA_TYPE_VIDEO,
853 .id = AV_CODEC_ID_AV1,
854 .priv_data_size = sizeof(AV1DecContext),
855 .init = av1_decode_init,
856 .close = av1_decode_free,
857 .decode = av1_decode_frame,
858 .capabilities = AV_CODEC_CAP_DR1,
859 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
860 FF_CODEC_CAP_INIT_CLEANUP |
861 FF_CODEC_CAP_SETS_PKT_DTS,
862 .flush = av1_decode_flush,
863 .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
864 .hw_configs = (const AVCodecHWConfigInternal * []) {