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/* |
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* AV1 video decoder |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/pixdesc.h" |
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#include "avcodec.h" |
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#include "av1dec.h" |
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#include "bytestream.h" |
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#include "hwconfig.h" |
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#include "internal.h" |
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#include "profiles.h" |
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static void setup_past_independence(AV1Frame *f) |
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{ |
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f->loop_filter_delta_enabled = 1; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_INTRA] = 1; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST] = 0; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST2] = 0; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_LAST3] = 0; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_GOLDEN] = -1; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_BWDREF] = 0; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF2] = -1; |
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f->loop_filter_ref_deltas[AV1_REF_FRAME_ALTREF] = -1; |
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f->loop_filter_mode_deltas[0] = 0; |
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f->loop_filter_mode_deltas[1] = 0; |
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} |
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static void load_previous_and_update(AV1DecContext *s) |
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{ |
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uint8_t primary_frame, prev_frame; |
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primary_frame = s->raw_frame_header->primary_ref_frame; |
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prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame]; |
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memcpy(s->cur_frame.loop_filter_ref_deltas, |
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s->ref[prev_frame].loop_filter_ref_deltas, |
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AV1_NUM_REF_FRAMES * sizeof(int8_t)); |
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memcpy(s->cur_frame.loop_filter_mode_deltas, |
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s->ref[prev_frame].loop_filter_mode_deltas, |
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2 * sizeof(int8_t)); |
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if (s->raw_frame_header->loop_filter_delta_update) { |
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for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) { |
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if (s->raw_frame_header->update_ref_delta[i]) |
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s->cur_frame.loop_filter_ref_deltas[i] = |
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s->raw_frame_header->loop_filter_ref_deltas[i]; |
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} |
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for (int i = 0; i < 2; i++) { |
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if (s->raw_frame_header->update_mode_delta[i]) |
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s->cur_frame.loop_filter_mode_deltas[i] = |
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s->raw_frame_header->loop_filter_mode_deltas[i]; |
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} |
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} |
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s->cur_frame.loop_filter_delta_enabled = |
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s->raw_frame_header->loop_filter_delta_enabled; |
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} |
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static uint32_t inverse_recenter(int r, uint32_t v) |
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{ |
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if (v > 2 * r) |
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return v; |
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else if (v & 1) |
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return r - ((v + 1) >> 1); |
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else |
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return r + (v >> 1); |
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} |
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static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp, |
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int mx, int r) |
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{ |
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if ((r << 1) <= mx) { |
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return inverse_recenter(r, sub_exp); |
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} else { |
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return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp); |
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} |
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} |
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static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low, |
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int high, int r) |
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{ |
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int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low); |
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return x + low; |
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} |
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static void read_global_param(AV1DecContext *s, int type, int ref, int idx) |
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{ |
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uint8_t primary_frame, prev_frame; |
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uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx; |
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int32_t r; |
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primary_frame = s->raw_frame_header->primary_ref_frame; |
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prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame]; |
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abs_bits = AV1_GM_ABS_ALPHA_BITS; |
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prec_bits = AV1_GM_ALPHA_PREC_BITS; |
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if (idx < 2) { |
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if (type == AV1_WARP_MODEL_TRANSLATION) { |
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abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS - |
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!s->raw_frame_header->allow_high_precision_mv; |
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prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS - |
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!s->raw_frame_header->allow_high_precision_mv; |
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} else { |
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abs_bits = AV1_GM_ABS_TRANS_BITS; |
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prec_bits = AV1_GM_TRANS_PREC_BITS; |
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} |
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} |
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round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0; |
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prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits; |
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sub = (idx % 3) == 2 ? (1 << prec_bits) : 0; |
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mx = 1 << abs_bits; |
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r = (s->ref[prev_frame].gm_params[ref][idx] >> prec_diff) - sub; |
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s->cur_frame.gm_params[ref][idx] = |
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(decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx], |
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-mx, mx + 1, r) << prec_diff) + round; |
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} |
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/** |
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* update gm type/params, since cbs already implemented part of this funcation, |
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* so we don't need to full implement spec. |
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*/ |
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static void global_motion_params(AV1DecContext *s) |
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{ |
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const AV1RawFrameHeader *header = s->raw_frame_header; |
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int type, ref; |
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for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) { |
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s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY; |
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for (int i = 0; i < 6; i++) |
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s->cur_frame.gm_params[ref][i] = (i % 3 == 2) ? |
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1 << AV1_WARPEDMODEL_PREC_BITS : 0; |
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} |
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if (header->frame_type == AV1_FRAME_KEY || |
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header->frame_type == AV1_FRAME_INTRA_ONLY) |
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return; |
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for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) { |
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if (header->is_global[ref]) { |
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if (header->is_rot_zoom[ref]) { |
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type = AV1_WARP_MODEL_ROTZOOM; |
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} else { |
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type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION |
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: AV1_WARP_MODEL_AFFINE; |
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} |
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} else { |
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type = AV1_WARP_MODEL_IDENTITY; |
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} |
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s->cur_frame.gm_type[ref] = type; |
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if (type >= AV1_WARP_MODEL_ROTZOOM) { |
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read_global_param(s, type, ref, 2); |
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read_global_param(s, type, ref, 3); |
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if (type == AV1_WARP_MODEL_AFFINE) { |
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read_global_param(s, type, ref, 4); |
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read_global_param(s, type, ref, 5); |
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} else { |
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s->cur_frame.gm_params[ref][4] = -s->cur_frame.gm_params[ref][3]; |
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s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2]; |
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} |
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} |
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if (type >= AV1_WARP_MODEL_TRANSLATION) { |
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read_global_param(s, type, ref, 0); |
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read_global_param(s, type, ref, 1); |
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} |
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} |
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} |
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static int init_tile_data(AV1DecContext *s) |
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{ |
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int cur_tile_num = |
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s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows; |
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if (s->tile_num < cur_tile_num) { |
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int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num, |
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sizeof(TileGroupInfo)); |
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if (ret < 0) { |
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s->tile_num = 0; |
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return ret; |
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} |
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} |
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s->tile_num = cur_tile_num; |
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return 0; |
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} |
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static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group) |
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{ |
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AV1DecContext *s = avctx->priv_data; |
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GetByteContext gb; |
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uint16_t tile_num, tile_row, tile_col; |
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uint32_t size = 0, size_bytes = 0; |
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bytestream2_init(&gb, tile_group->tile_data.data, |
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tile_group->tile_data.data_size); |
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s->tg_start = tile_group->tg_start; |
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s->tg_end = tile_group->tg_end; |
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for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) { |
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tile_row = tile_num / s->raw_frame_header->tile_cols; |
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tile_col = tile_num % s->raw_frame_header->tile_cols; |
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if (tile_num == tile_group->tg_end) { |
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s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb); |
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s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb); |
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s->tile_group_info[tile_num].tile_row = tile_row; |
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s->tile_group_info[tile_num].tile_column = tile_col; |
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return 0; |
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} |
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size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1; |
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if (bytestream2_get_bytes_left(&gb) < size_bytes) |
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return AVERROR_INVALIDDATA; |
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size = 0; |
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for (int i = 0; i < size_bytes; i++) |
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size |= bytestream2_get_byteu(&gb) << 8 * i; |
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if (bytestream2_get_bytes_left(&gb) <= size) |
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return AVERROR_INVALIDDATA; |
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size++; |
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s->tile_group_info[tile_num].tile_size = size; |
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s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb); |
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s->tile_group_info[tile_num].tile_row = tile_row; |
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s->tile_group_info[tile_num].tile_column = tile_col; |
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bytestream2_skipu(&gb, size); |
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} |
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return 0; |
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} |
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static int get_pixel_format(AVCodecContext *avctx) |
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{ |
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AV1DecContext *s = avctx->priv_data; |
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const AV1RawSequenceHeader *seq = s->raw_seq; |
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uint8_t bit_depth; |
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int ret; |
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enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE; |
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#define HWACCEL_MAX (0) |
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enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts; |
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260 |
✗✓✗✗
|
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if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) |
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bit_depth = seq->color_config.twelve_bit ? 12 : 10; |
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✓✗ |
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else if (seq->seq_profile <= 2) |
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✓✓ |
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bit_depth = seq->color_config.high_bitdepth ? 10 : 8; |
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else { |
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av_log(avctx, AV_LOG_ERROR, |
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"Unknown AV1 profile %d.\n", seq->seq_profile); |
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return -1; |
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} |
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✓✗ |
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if (!seq->color_config.mono_chrome) { |
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// 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1 |
272 |
✗✓ |
21 |
if (seq->color_config.subsampling_x == 0 && |
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seq->color_config.subsampling_y == 0) { |
274 |
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if (bit_depth == 8) |
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pix_fmt = AV_PIX_FMT_YUV444P; |
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else if (bit_depth == 10) |
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pix_fmt = AV_PIX_FMT_YUV444P10; |
278 |
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else if (bit_depth == 12) |
279 |
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pix_fmt = AV_PIX_FMT_YUV444P12; |
280 |
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else |
281 |
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av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n"); |
282 |
✓✗ |
21 |
} else if (seq->color_config.subsampling_x == 1 && |
283 |
✗✓ |
21 |
seq->color_config.subsampling_y == 0) { |
284 |
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if (bit_depth == 8) |
285 |
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pix_fmt = AV_PIX_FMT_YUV422P; |
286 |
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else if (bit_depth == 10) |
287 |
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pix_fmt = AV_PIX_FMT_YUV422P10; |
288 |
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else if (bit_depth == 12) |
289 |
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pix_fmt = AV_PIX_FMT_YUV422P12; |
290 |
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else |
291 |
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av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n"); |
292 |
✓✗ |
21 |
} else if (seq->color_config.subsampling_x == 1 && |
293 |
✓✗ |
21 |
seq->color_config.subsampling_y == 1) { |
294 |
✓✓ |
21 |
if (bit_depth == 8) |
295 |
|
20 |
pix_fmt = AV_PIX_FMT_YUV420P; |
296 |
✓✗ |
1 |
else if (bit_depth == 10) |
297 |
|
1 |
pix_fmt = AV_PIX_FMT_YUV420P10; |
298 |
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else if (bit_depth == 12) |
299 |
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pix_fmt = AV_PIX_FMT_YUV420P12; |
300 |
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else |
301 |
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av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n"); |
302 |
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} |
303 |
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} else { |
304 |
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if (seq->color_config.subsampling_x == 1 && |
305 |
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seq->color_config.subsampling_y == 1) |
306 |
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pix_fmt = AV_PIX_FMT_YUV440P; |
307 |
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else |
308 |
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av_log(avctx, AV_LOG_WARNING, "Unknown AV1 pixel format.\n"); |
309 |
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} |
310 |
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|
311 |
|
21 |
av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n", |
312 |
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av_get_pix_fmt_name(pix_fmt)); |
313 |
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|
314 |
✗✓ |
21 |
if (pix_fmt == AV_PIX_FMT_NONE) |
315 |
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return -1; |
316 |
|
21 |
s->pix_fmt = pix_fmt; |
317 |
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|
318 |
|
21 |
*fmtp++ = s->pix_fmt; |
319 |
|
21 |
*fmtp = AV_PIX_FMT_NONE; |
320 |
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|
321 |
|
21 |
ret = ff_thread_get_format(avctx, pix_fmts); |
322 |
✗✓ |
21 |
if (ret < 0) |
323 |
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return ret; |
324 |
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|
325 |
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/** |
326 |
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* check if the HW accel is inited correctly. If not, return un-implemented. |
327 |
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* Since now the av1 decoder doesn't support native decode, if it will be |
328 |
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* implemented in the future, need remove this check. |
329 |
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*/ |
330 |
✓✗ |
21 |
if (!avctx->hwaccel) { |
331 |
|
21 |
av_log(avctx, AV_LOG_ERROR, "Your platform doesn't suppport" |
332 |
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" hardware accelerated AV1 decoding.\n"); |
333 |
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21 |
return AVERROR(ENOSYS); |
334 |
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} |
335 |
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|
336 |
|
|
avctx->pix_fmt = ret; |
337 |
|
|
|
338 |
|
|
return 0; |
339 |
|
|
} |
340 |
|
|
|
341 |
|
189 |
static void av1_frame_unref(AVCodecContext *avctx, AV1Frame *f) |
342 |
|
|
{ |
343 |
|
189 |
ff_thread_release_buffer(avctx, &f->tf); |
344 |
|
189 |
av_buffer_unref(&f->hwaccel_priv_buf); |
345 |
|
189 |
f->hwaccel_picture_private = NULL; |
346 |
|
189 |
} |
347 |
|
|
|
348 |
|
51 |
static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src) |
349 |
|
|
{ |
350 |
|
|
int ret; |
351 |
|
|
|
352 |
|
51 |
ret = ff_thread_ref_frame(&dst->tf, &src->tf); |
353 |
✓✗ |
51 |
if (ret < 0) |
354 |
|
51 |
return ret; |
355 |
|
|
|
356 |
|
|
if (src->hwaccel_picture_private) { |
357 |
|
|
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); |
358 |
|
|
if (!dst->hwaccel_priv_buf) |
359 |
|
|
goto fail; |
360 |
|
|
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; |
361 |
|
|
} |
362 |
|
|
|
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, |
369 |
|
|
2 * sizeof(int8_t)); |
370 |
|
|
memcpy(dst->gm_type, |
371 |
|
|
src->gm_type, |
372 |
|
|
AV1_NUM_REF_FRAMES * sizeof(uint8_t)); |
373 |
|
|
memcpy(dst->gm_params, |
374 |
|
|
src->gm_params, |
375 |
|
|
AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t)); |
376 |
|
|
|
377 |
|
|
return 0; |
378 |
|
|
|
379 |
|
|
fail: |
380 |
|
|
av1_frame_unref(avctx, dst); |
381 |
|
|
return AVERROR(ENOMEM); |
382 |
|
|
} |
383 |
|
|
|
384 |
|
21 |
static av_cold int av1_decode_free(AVCodecContext *avctx) |
385 |
|
|
{ |
386 |
|
21 |
AV1DecContext *s = avctx->priv_data; |
387 |
|
|
|
388 |
✓✓ |
189 |
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) { |
389 |
|
168 |
av1_frame_unref(avctx, &s->ref[i]); |
390 |
|
168 |
av_frame_free(&s->ref[i].tf.f); |
391 |
|
|
} |
392 |
|
21 |
av1_frame_unref(avctx, &s->cur_frame); |
393 |
|
21 |
av_frame_free(&s->cur_frame.tf.f); |
394 |
|
|
|
395 |
|
21 |
av_buffer_unref(&s->seq_ref); |
396 |
|
21 |
av_buffer_unref(&s->header_ref); |
397 |
|
21 |
av_freep(&s->tile_group_info); |
398 |
|
|
|
399 |
|
21 |
ff_cbs_fragment_free(&s->current_obu); |
400 |
|
21 |
ff_cbs_close(&s->cbc); |
401 |
|
|
|
402 |
|
21 |
return 0; |
403 |
|
|
} |
404 |
|
|
|
405 |
|
104 |
static int set_context_with_sequence(AVCodecContext *avctx, |
406 |
|
|
const AV1RawSequenceHeader *seq) |
407 |
|
|
{ |
408 |
|
104 |
avctx->profile = seq->seq_profile; |
409 |
|
104 |
avctx->level = seq->seq_level_idx[0]; |
410 |
|
|
|
411 |
|
104 |
avctx->color_range = |
412 |
✗✓ |
104 |
seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; |
413 |
|
104 |
avctx->color_primaries = seq->color_config.color_primaries; |
414 |
|
104 |
avctx->colorspace = seq->color_config.color_primaries; |
415 |
|
104 |
avctx->color_trc = seq->color_config.transfer_characteristics; |
416 |
|
|
|
417 |
✗✗✓ |
104 |
switch (seq->color_config.chroma_sample_position) { |
418 |
|
|
case AV1_CSP_VERTICAL: |
419 |
|
|
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; |
420 |
|
|
break; |
421 |
|
|
case AV1_CSP_COLOCATED: |
422 |
|
|
avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT; |
423 |
|
|
break; |
424 |
|
|
} |
425 |
|
|
|
426 |
✓✓ |
104 |
if (seq->timing_info.num_units_in_display_tick && |
427 |
✓✗ |
65 |
seq->timing_info.time_scale) { |
428 |
|
65 |
av_reduce(&avctx->framerate.den, &avctx->framerate.num, |
429 |
|
65 |
seq->timing_info.num_units_in_display_tick, |
430 |
|
65 |
seq->timing_info.time_scale, |
431 |
|
|
INT_MAX); |
432 |
✗✓ |
65 |
if (seq->timing_info.equal_picture_interval) |
433 |
|
|
avctx->ticks_per_frame = seq->timing_info.num_ticks_per_picture_minus_1 + 1; |
434 |
|
|
} |
435 |
|
|
|
436 |
|
104 |
return 0; |
437 |
|
|
} |
438 |
|
|
|
439 |
|
258 |
static int update_context_with_frame_header(AVCodecContext *avctx, |
440 |
|
|
const AV1RawFrameHeader *header) |
441 |
|
|
{ |
442 |
|
|
AVRational aspect_ratio; |
443 |
|
258 |
int width = header->frame_width_minus_1 + 1; |
444 |
|
258 |
int height = header->frame_height_minus_1 + 1; |
445 |
|
258 |
int r_width = header->render_width_minus_1 + 1; |
446 |
|
258 |
int r_height = header->render_height_minus_1 + 1; |
447 |
|
|
int ret; |
448 |
|
|
|
449 |
✓✓✗✓
|
258 |
if (avctx->width != width || avctx->height != height) { |
450 |
|
6 |
ret = ff_set_dimensions(avctx, width, height); |
451 |
✗✓ |
6 |
if (ret < 0) |
452 |
|
|
return ret; |
453 |
|
|
} |
454 |
|
|
|
455 |
|
258 |
av_reduce(&aspect_ratio.num, &aspect_ratio.den, |
456 |
|
258 |
(int64_t)height * r_width, |
457 |
|
258 |
(int64_t)width * r_height, |
458 |
|
|
INT_MAX); |
459 |
|
|
|
460 |
✓✓ |
258 |
if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) { |
461 |
|
21 |
ret = ff_set_sar(avctx, aspect_ratio); |
462 |
✗✓ |
21 |
if (ret < 0) |
463 |
|
|
return ret; |
464 |
|
|
} |
465 |
|
|
|
466 |
|
258 |
return 0; |
467 |
|
|
} |
468 |
|
|
|
469 |
|
21 |
static av_cold int av1_decode_init(AVCodecContext *avctx) |
470 |
|
|
{ |
471 |
|
21 |
AV1DecContext *s = avctx->priv_data; |
472 |
|
|
AV1RawSequenceHeader *seq; |
473 |
|
|
int ret; |
474 |
|
|
|
475 |
|
21 |
s->avctx = avctx; |
476 |
|
21 |
s->pix_fmt = AV_PIX_FMT_NONE; |
477 |
|
|
|
478 |
✓✓ |
189 |
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) { |
479 |
|
168 |
s->ref[i].tf.f = av_frame_alloc(); |
480 |
✗✓ |
168 |
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); |
484 |
|
|
} |
485 |
|
|
} |
486 |
|
|
|
487 |
|
21 |
s->cur_frame.tf.f = av_frame_alloc(); |
488 |
✗✓ |
21 |
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); |
492 |
|
|
} |
493 |
|
|
|
494 |
|
21 |
ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx); |
495 |
✗✓ |
21 |
if (ret < 0) |
496 |
|
|
return ret; |
497 |
|
|
|
498 |
✓✓✓✗
|
21 |
if (avctx->extradata && avctx->extradata_size) { |
499 |
|
2 |
ret = ff_cbs_read(s->cbc, &s->current_obu, avctx->extradata, |
500 |
|
2 |
avctx->extradata_size); |
501 |
✗✓ |
2 |
if (ret < 0) { |
502 |
|
|
av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n"); |
503 |
|
|
return ret; |
504 |
|
|
} |
505 |
|
|
|
506 |
|
2 |
seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header; |
507 |
✗✓ |
2 |
if (!seq) { |
508 |
|
|
av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n"); |
509 |
|
|
goto end; |
510 |
|
|
} |
511 |
|
|
|
512 |
|
2 |
ret = set_context_with_sequence(avctx, seq); |
513 |
✓✗ |
2 |
if (ret < 0) { |
514 |
|
|
av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n"); |
515 |
|
|
goto end; |
516 |
|
|
} |
517 |
|
|
|
518 |
|
2 |
end: |
519 |
|
2 |
ff_cbs_fragment_reset(&s->current_obu); |
520 |
|
|
} |
521 |
|
|
|
522 |
|
21 |
return ret; |
523 |
|
|
} |
524 |
|
|
|
525 |
|
258 |
static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f) |
526 |
|
|
{ |
527 |
|
258 |
AV1DecContext *s = avctx->priv_data; |
528 |
|
258 |
AV1RawFrameHeader *header= s->raw_frame_header; |
529 |
|
|
AVFrame *frame; |
530 |
|
|
int ret; |
531 |
|
|
|
532 |
|
258 |
ret = update_context_with_frame_header(avctx, header); |
533 |
✗✓ |
258 |
if (ret < 0) { |
534 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n"); |
535 |
|
|
return ret; |
536 |
|
|
} |
537 |
|
|
|
538 |
✓✗ |
258 |
if ((ret = ff_thread_get_buffer(avctx, &f->tf, AV_GET_BUFFER_FLAG_REF)) < 0) |
539 |
|
258 |
return ret; |
540 |
|
|
|
541 |
|
|
frame = f->tf.f; |
542 |
|
|
frame->key_frame = header->frame_type == AV1_FRAME_KEY; |
543 |
|
|
|
544 |
|
|
switch (header->frame_type) { |
545 |
|
|
case AV1_FRAME_KEY: |
546 |
|
|
case AV1_FRAME_INTRA_ONLY: |
547 |
|
|
frame->pict_type = AV_PICTURE_TYPE_I; |
548 |
|
|
break; |
549 |
|
|
case AV1_FRAME_INTER: |
550 |
|
|
frame->pict_type = AV_PICTURE_TYPE_P; |
551 |
|
|
break; |
552 |
|
|
case AV1_FRAME_SWITCH: |
553 |
|
|
frame->pict_type = AV_PICTURE_TYPE_SP; |
554 |
|
|
break; |
555 |
|
|
} |
556 |
|
|
|
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) |
563 |
|
|
goto fail; |
564 |
|
|
f->hwaccel_picture_private = f->hwaccel_priv_buf->data; |
565 |
|
|
} |
566 |
|
|
} |
567 |
|
|
return 0; |
568 |
|
|
|
569 |
|
|
fail: |
570 |
|
|
av1_frame_unref(avctx, f); |
571 |
|
|
return AVERROR(ENOMEM); |
572 |
|
|
} |
573 |
|
|
|
574 |
|
|
static int set_output_frame(AVCodecContext *avctx, AVFrame *frame, |
575 |
|
|
const AVPacket *pkt, int *got_frame) |
576 |
|
|
{ |
577 |
|
|
AV1DecContext *s = avctx->priv_data; |
578 |
|
|
const AVFrame *srcframe = s->cur_frame.tf.f; |
579 |
|
|
int ret; |
580 |
|
|
|
581 |
|
|
ret = av_frame_ref(frame, srcframe); |
582 |
|
|
if (ret < 0) |
583 |
|
|
return ret; |
584 |
|
|
|
585 |
|
|
frame->pts = pkt->pts; |
586 |
|
|
frame->pkt_dts = pkt->dts; |
587 |
|
|
frame->pkt_size = pkt->size; |
588 |
|
|
|
589 |
|
|
*got_frame = 1; |
590 |
|
|
|
591 |
|
|
return 0; |
592 |
|
|
} |
593 |
|
|
|
594 |
|
|
static int update_reference_list(AVCodecContext *avctx) |
595 |
|
|
{ |
596 |
|
|
AV1DecContext *s = avctx->priv_data; |
597 |
|
|
const AV1RawFrameHeader *header = s->raw_frame_header; |
598 |
|
|
int ret; |
599 |
|
|
|
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); |
607 |
|
|
return ret; |
608 |
|
|
} |
609 |
|
|
} |
610 |
|
|
} |
611 |
|
|
return 0; |
612 |
|
|
} |
613 |
|
|
|
614 |
|
258 |
static int get_current_frame(AVCodecContext *avctx) |
615 |
|
|
{ |
616 |
|
258 |
AV1DecContext *s = avctx->priv_data; |
617 |
|
|
int ret; |
618 |
|
|
|
619 |
✗✓ |
258 |
if (s->cur_frame.tf.f->buf[0]) |
620 |
|
|
av1_frame_unref(avctx, &s->cur_frame); |
621 |
|
|
|
622 |
|
258 |
ret = av1_frame_alloc(avctx, &s->cur_frame); |
623 |
✓✗ |
258 |
if (ret < 0) { |
624 |
|
258 |
av_log(avctx, AV_LOG_ERROR, |
625 |
|
|
"Failed to allocate space for current frame.\n"); |
626 |
|
258 |
return ret; |
627 |
|
|
} |
628 |
|
|
|
629 |
|
|
ret = init_tile_data(s); |
630 |
|
|
if (ret < 0) { |
631 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n"); |
632 |
|
|
return ret; |
633 |
|
|
} |
634 |
|
|
|
635 |
|
|
if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) |
636 |
|
|
setup_past_independence(&s->cur_frame); |
637 |
|
|
else |
638 |
|
|
load_previous_and_update(s); |
639 |
|
|
|
640 |
|
|
global_motion_params(s); |
641 |
|
|
|
642 |
|
|
return ret; |
643 |
|
|
} |
644 |
|
|
|
645 |
|
330 |
static int av1_decode_frame(AVCodecContext *avctx, void *frame, |
646 |
|
|
int *got_frame, AVPacket *pkt) |
647 |
|
|
{ |
648 |
|
330 |
AV1DecContext *s = avctx->priv_data; |
649 |
|
330 |
AV1RawTileGroup *raw_tile_group = NULL; |
650 |
|
|
int ret; |
651 |
|
|
|
652 |
|
330 |
ret = ff_cbs_read_packet(s->cbc, &s->current_obu, pkt); |
653 |
✗✓ |
330 |
if (ret < 0) { |
654 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n"); |
655 |
|
|
goto end; |
656 |
|
|
} |
657 |
|
330 |
av_log(avctx, AV_LOG_DEBUG, "Total obu for this frame:%d.\n", |
658 |
|
|
s->current_obu.nb_units); |
659 |
|
|
|
660 |
✓✗ |
737 |
for (int i = 0; i < s->current_obu.nb_units; i++) { |
661 |
|
737 |
CodedBitstreamUnit *unit = &s->current_obu.units[i]; |
662 |
|
737 |
AV1RawOBU *obu = unit->content; |
663 |
|
737 |
av_log(avctx, AV_LOG_DEBUG, "Obu idx:%d, obu type:%d.\n", i, unit->type); |
664 |
|
|
|
665 |
✓✗✓✗
✓✗ |
737 |
switch (unit->type) { |
666 |
|
102 |
case AV1_OBU_SEQUENCE_HEADER: |
667 |
|
102 |
av_buffer_unref(&s->seq_ref); |
668 |
|
102 |
s->seq_ref = av_buffer_ref(unit->content_ref); |
669 |
✗✓ |
102 |
if (!s->seq_ref) { |
670 |
|
|
ret = AVERROR(ENOMEM); |
671 |
|
|
goto end; |
672 |
|
|
} |
673 |
|
|
|
674 |
|
102 |
s->raw_seq = &obu->obu.sequence_header; |
675 |
|
|
|
676 |
|
102 |
ret = set_context_with_sequence(avctx, s->raw_seq); |
677 |
✗✓ |
102 |
if (ret < 0) { |
678 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n"); |
679 |
|
|
goto end; |
680 |
|
|
} |
681 |
|
|
|
682 |
✓✓ |
102 |
if (s->pix_fmt == AV_PIX_FMT_NONE) { |
683 |
|
21 |
ret = get_pixel_format(avctx); |
684 |
✓✗ |
21 |
if (ret < 0) { |
685 |
|
21 |
av_log(avctx, AV_LOG_ERROR, |
686 |
|
|
"Failed to get pixel format.\n"); |
687 |
|
21 |
goto end; |
688 |
|
|
} |
689 |
|
|
} |
690 |
|
|
|
691 |
✗✓✗✗
|
81 |
if (avctx->hwaccel && avctx->hwaccel->decode_params) { |
692 |
|
|
ret = avctx->hwaccel->decode_params(avctx, unit->type, unit->data, |
693 |
|
|
unit->data_size); |
694 |
|
|
if (ret < 0) { |
695 |
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n"); |
696 |
|
|
goto end; |
697 |
|
|
} |
698 |
|
|
} |
699 |
|
81 |
break; |
700 |
|
|
case AV1_OBU_REDUNDANT_FRAME_HEADER: |
701 |
|
|
if (s->raw_frame_header) |
702 |
|
|
break; |
703 |
|
|
// fall-through |
704 |
|
|
case AV1_OBU_FRAME: |
705 |
|
|
case AV1_OBU_FRAME_HEADER: |
706 |
✗✓ |
309 |
if (!s->seq_ref) { |
707 |
|
|
av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n"); |
708 |
|
|
ret = AVERROR_INVALIDDATA; |
709 |
|
|
goto end; |
710 |
|
|
} |
711 |
|
|
|
712 |
|
309 |
av_buffer_unref(&s->header_ref); |
713 |
|
309 |
s->header_ref = av_buffer_ref(unit->content_ref); |
714 |
✗✓ |
309 |
if (!s->header_ref) { |
715 |
|
|
ret = AVERROR(ENOMEM); |
716 |
|
|
goto end; |
717 |
|
|
} |
718 |
|
|
|
719 |
✓✓ |
309 |
if (unit->type == AV1_OBU_FRAME) |
720 |
|
237 |
s->raw_frame_header = &obu->obu.frame.header; |
721 |
|
|
else |
722 |
|
72 |
s->raw_frame_header = &obu->obu.frame_header; |
723 |
|
|
|
724 |
✓✓ |
309 |
if (s->raw_frame_header->show_existing_frame) { |
725 |
✗✓ |
51 |
if (s->cur_frame.tf.f->buf[0]) |
726 |
|
|
av1_frame_unref(avctx, &s->cur_frame); |
727 |
|
|
|
728 |
|
51 |
ret = av1_frame_ref(avctx, &s->cur_frame, |
729 |
|
51 |
&s->ref[s->raw_frame_header->frame_to_show_map_idx]); |
730 |
✓✗ |
51 |
if (ret < 0) { |
731 |
|
51 |
av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n"); |
732 |
|
51 |
goto end; |
733 |
|
|
} |
734 |
|
|
|
735 |
|
|
ret = update_reference_list(avctx); |
736 |
|
|
if (ret < 0) { |
737 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n"); |
738 |
|
|
goto end; |
739 |
|
|
} |
740 |
|
|
|
741 |
|
|
ret = set_output_frame(avctx, frame, pkt, got_frame); |
742 |
|
|
if (ret < 0) |
743 |
|
|
av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n"); |
744 |
|
|
|
745 |
|
|
s->raw_frame_header = NULL; |
746 |
|
|
|
747 |
|
|
goto end; |
748 |
|
|
} |
749 |
|
|
|
750 |
|
258 |
ret = get_current_frame(avctx); |
751 |
✓✗ |
258 |
if (ret < 0) { |
752 |
|
258 |
av_log(avctx, AV_LOG_ERROR, "Get current frame error\n"); |
753 |
|
258 |
goto end; |
754 |
|
|
} |
755 |
|
|
|
756 |
|
|
if (avctx->hwaccel) { |
757 |
|
|
ret = avctx->hwaccel->start_frame(avctx, unit->data, |
758 |
|
|
unit->data_size); |
759 |
|
|
if (ret < 0) { |
760 |
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n"); |
761 |
|
|
goto end; |
762 |
|
|
} |
763 |
|
|
} |
764 |
|
|
if (unit->type != AV1_OBU_FRAME) |
765 |
|
|
break; |
766 |
|
|
// fall-through |
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; |
771 |
|
|
goto end; |
772 |
|
|
} |
773 |
|
|
|
774 |
|
|
if (unit->type == AV1_OBU_FRAME) |
775 |
|
|
raw_tile_group = &obu->obu.frame.tile_group; |
776 |
|
|
else |
777 |
|
|
raw_tile_group = &obu->obu.tile_group; |
778 |
|
|
|
779 |
|
|
ret = get_tiles_info(avctx, raw_tile_group); |
780 |
|
|
if (ret < 0) |
781 |
|
|
goto end; |
782 |
|
|
|
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); |
787 |
|
|
if (ret < 0) { |
788 |
|
|
av_log(avctx, AV_LOG_ERROR, |
789 |
|
|
"HW accel decode slice fail.\n"); |
790 |
|
|
goto end; |
791 |
|
|
} |
792 |
|
|
} |
793 |
|
|
break; |
794 |
|
326 |
case AV1_OBU_TILE_LIST: |
795 |
|
|
case AV1_OBU_TEMPORAL_DELIMITER: |
796 |
|
|
case AV1_OBU_PADDING: |
797 |
|
|
case AV1_OBU_METADATA: |
798 |
|
326 |
break; |
799 |
|
|
default: |
800 |
|
|
av_log(avctx, AV_LOG_DEBUG, |
801 |
|
|
"Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n", |
802 |
|
|
unit->type, unit->data_size); |
803 |
|
|
} |
804 |
|
|
|
805 |
✗✓✗✗
|
407 |
if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) { |
806 |
|
|
if (avctx->hwaccel) { |
807 |
|
|
ret = avctx->hwaccel->end_frame(avctx); |
808 |
|
|
if (ret < 0) { |
809 |
|
|
av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n"); |
810 |
|
|
goto end; |
811 |
|
|
} |
812 |
|
|
} |
813 |
|
|
|
814 |
|
|
ret = update_reference_list(avctx); |
815 |
|
|
if (ret < 0) { |
816 |
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n"); |
817 |
|
|
goto end; |
818 |
|
|
} |
819 |
|
|
|
820 |
|
|
if (s->raw_frame_header->show_frame) { |
821 |
|
|
ret = set_output_frame(avctx, frame, pkt, got_frame); |
822 |
|
|
if (ret < 0) { |
823 |
|
|
av_log(avctx, AV_LOG_ERROR, "Set output frame error\n"); |
824 |
|
|
goto end; |
825 |
|
|
} |
826 |
|
|
} |
827 |
|
|
raw_tile_group = NULL; |
828 |
|
|
s->raw_frame_header = NULL; |
829 |
|
|
} |
830 |
|
|
} |
831 |
|
|
|
832 |
|
|
end: |
833 |
|
330 |
ff_cbs_fragment_reset(&s->current_obu); |
834 |
|
330 |
return ret; |
835 |
|
|
} |
836 |
|
|
|
837 |
|
|
static void av1_decode_flush(AVCodecContext *avctx) |
838 |
|
|
{ |
839 |
|
|
AV1DecContext *s = avctx->priv_data; |
840 |
|
|
|
841 |
|
|
for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) |
842 |
|
|
av1_frame_unref(avctx, &s->ref[i]); |
843 |
|
|
|
844 |
|
|
av1_frame_unref(avctx, &s->cur_frame); |
845 |
|
|
s->raw_frame_header = NULL; |
846 |
|
|
s->raw_seq = NULL; |
847 |
|
|
} |
848 |
|
|
|
849 |
|
|
AVCodec ff_av1_decoder = { |
850 |
|
|
.name = "av1", |
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 * []) { |
865 |
|
|
NULL |
866 |
|
|
}, |
867 |
|
|
}; |