| /* | |
| * AV1 video decoder | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| #include "config_components.h" | |
| #include "libavutil/hdr_dynamic_metadata.h" | |
| #include "libavutil/film_grain_params.h" | |
| #include "libavutil/mastering_display_metadata.h" | |
| #include "libavutil/pixdesc.h" | |
| #include "libavutil/opt.h" | |
| #include "avcodec.h" | |
| #include "av1_parse.h" | |
| #include "av1dec.h" | |
| #include "atsc_a53.h" | |
| #include "bytestream.h" | |
| #include "codec_internal.h" | |
| #include "decode.h" | |
| #include "hwaccel_internal.h" | |
| #include "internal.h" | |
| #include "itut35.h" | |
| #include "hwconfig.h" | |
| #include "profiles.h" | |
| #include "refstruct.h" | |
| #include "thread.h" | |
| /**< same with Div_Lut defined in spec 7.11.3.7 */ | |
| static const uint16_t div_lut[AV1_DIV_LUT_NUM] = { | |
| 16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768, | |
| 15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142, | |
| 15087, 15033, 14980, 14926, 14873, 14821, 14769, 14717, 14665, 14614, 14564, | |
| 14513, 14463, 14413, 14364, 14315, 14266, 14218, 14170, 14122, 14075, 14028, | |
| 13981, 13935, 13888, 13843, 13797, 13752, 13707, 13662, 13618, 13574, 13530, | |
| 13487, 13443, 13400, 13358, 13315, 13273, 13231, 13190, 13148, 13107, 13066, | |
| 13026, 12985, 12945, 12906, 12866, 12827, 12788, 12749, 12710, 12672, 12633, | |
| 12596, 12558, 12520, 12483, 12446, 12409, 12373, 12336, 12300, 12264, 12228, | |
| 12193, 12157, 12122, 12087, 12053, 12018, 11984, 11950, 11916, 11882, 11848, | |
| 11815, 11782, 11749, 11716, 11683, 11651, 11619, 11586, 11555, 11523, 11491, | |
| 11460, 11429, 11398, 11367, 11336, 11305, 11275, 11245, 11215, 11185, 11155, | |
| 11125, 11096, 11067, 11038, 11009, 10980, 10951, 10923, 10894, 10866, 10838, | |
| 10810, 10782, 10755, 10727, 10700, 10673, 10645, 10618, 10592, 10565, 10538, | |
| 10512, 10486, 10460, 10434, 10408, 10382, 10356, 10331, 10305, 10280, 10255, | |
| 10230, 10205, 10180, 10156, 10131, 10107, 10082, 10058, 10034, 10010, 9986, | |
| 9963, 9939, 9916, 9892, 9869, 9846, 9823, 9800, 9777, 9754, 9732, | |
| 9709, 9687, 9664, 9642, 9620, 9598, 9576, 9554, 9533, 9511, 9489, | |
| 9468, 9447, 9425, 9404, 9383, 9362, 9341, 9321, 9300, 9279, 9259, | |
| 9239, 9218, 9198, 9178, 9158, 9138, 9118, 9098, 9079, 9059, 9039, | |
| 9020, 9001, 8981, 8962, 8943, 8924, 8905, 8886, 8867, 8849, 8830, | |
| 8812, 8793, 8775, 8756, 8738, 8720, 8702, 8684, 8666, 8648, 8630, | |
| 8613, 8595, 8577, 8560, 8542, 8525, 8508, 8490, 8473, 8456, 8439, | |
| 8422, 8405, 8389, 8372, 8355, 8339, 8322, 8306, 8289, 8273, 8257, | |
| 8240, 8224, 8208, 8192 | |
| }; | |
| static uint32_t inverse_recenter(int r, uint32_t v) | |
| { | |
| if (v > 2 * r) | |
| return v; | |
| else if (v & 1) | |
| return r - ((v + 1) >> 1); | |
| else | |
| return r + (v >> 1); | |
| } | |
| static uint32_t decode_unsigned_subexp_with_ref(uint32_t sub_exp, | |
| int mx, int r) | |
| { | |
| if ((r << 1) <= mx) { | |
| return inverse_recenter(r, sub_exp); | |
| } else { | |
| return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp); | |
| } | |
| } | |
| static int32_t decode_signed_subexp_with_ref(uint32_t sub_exp, int low, | |
| int high, int r) | |
| { | |
| int32_t x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low); | |
| return x + low; | |
| } | |
| static void read_global_param(AV1DecContext *s, int type, int ref, int idx) | |
| { | |
| uint8_t primary_frame, prev_frame; | |
| uint32_t abs_bits, prec_bits, round, prec_diff, sub, mx; | |
| int32_t r, prev_gm_param; | |
| primary_frame = s->raw_frame_header->primary_ref_frame; | |
| prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame]; | |
| abs_bits = AV1_GM_ABS_ALPHA_BITS; | |
| prec_bits = AV1_GM_ALPHA_PREC_BITS; | |
| /* setup_past_independence() sets PrevGmParams to default values. We can | |
| * simply point to the current's frame gm_params as they will be initialized | |
| * with defaults at this point. | |
| */ | |
| if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) | |
| prev_gm_param = s->cur_frame.gm_params[ref][idx]; | |
| else | |
| prev_gm_param = s->ref[prev_frame].gm_params[ref][idx]; | |
| if (idx < 2) { | |
| if (type == AV1_WARP_MODEL_TRANSLATION) { | |
| abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS - | |
| !s->raw_frame_header->allow_high_precision_mv; | |
| prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS - | |
| !s->raw_frame_header->allow_high_precision_mv; | |
| } else { | |
| abs_bits = AV1_GM_ABS_TRANS_BITS; | |
| prec_bits = AV1_GM_TRANS_PREC_BITS; | |
| } | |
| } | |
| round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0; | |
| prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits; | |
| sub = (idx % 3) == 2 ? (1 << prec_bits) : 0; | |
| mx = 1 << abs_bits; | |
| r = (prev_gm_param >> prec_diff) - sub; | |
| s->cur_frame.gm_params[ref][idx] = | |
| (decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx], | |
| -mx, mx + 1, r) << prec_diff) + round; | |
| } | |
| static uint64_t round_two(uint64_t x, uint16_t n) | |
| { | |
| if (n == 0) | |
| return x; | |
| return ((x + ((uint64_t)1 << (n - 1))) >> n); | |
| } | |
| static int64_t round_two_signed(int64_t x, uint16_t n) | |
| { | |
| return ((x<0) ? -((int64_t)round_two(-x, n)) : (int64_t)round_two(x, n)); | |
| } | |
| /** | |
| * Resolve divisor process. | |
| * see spec 7.11.3.7 | |
| */ | |
| static int16_t resolve_divisor(uint32_t d, uint16_t *shift) | |
| { | |
| int32_t e, f; | |
| *shift = av_log2(d); | |
| e = d - (1 << (*shift)); | |
| if (*shift > AV1_DIV_LUT_BITS) | |
| f = round_two(e, *shift - AV1_DIV_LUT_BITS); | |
| else | |
| f = e << (AV1_DIV_LUT_BITS - (*shift)); | |
| *shift += AV1_DIV_LUT_PREC_BITS; | |
| return div_lut[f]; | |
| } | |
| /** | |
| * check if global motion params is valid. | |
| * see spec 7.11.3.6 | |
| */ | |
| static uint8_t get_shear_params_valid(AV1DecContext *s, int idx) | |
| { | |
| int16_t alpha, beta, gamma, delta, divf, divs; | |
| int64_t v, w; | |
| int32_t *param = &s->cur_frame.gm_params[idx][0]; | |
| if (param[2] <= 0) | |
| return 0; | |
| alpha = av_clip_int16(param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS)); | |
| beta = av_clip_int16(param[3]); | |
| divf = resolve_divisor(abs(param[2]), &divs); | |
| v = (int64_t)param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS); | |
| w = (int64_t)param[3] * param[4]; | |
| gamma = av_clip_int16((int)round_two_signed((v * divf), divs)); | |
| delta = av_clip_int16(param[5] - (int)round_two_signed((w * divf), divs) - (1 << AV1_WARPEDMODEL_PREC_BITS)); | |
| alpha = round_two_signed(alpha, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS; | |
| beta = round_two_signed(beta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS; | |
| gamma = round_two_signed(gamma, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS; | |
| delta = round_two_signed(delta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS; | |
| if ((4 * abs(alpha) + 7 * abs(beta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS) || | |
| (4 * abs(gamma) + 4 * abs(delta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS)) | |
| return 0; | |
| return 1; | |
| } | |
| /** | |
| * update gm type/params, since cbs already implemented part of this function, | |
| * so we don't need to full implement spec. | |
| */ | |
| static void global_motion_params(AV1DecContext *s) | |
| { | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| int type, ref; | |
| for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) { | |
| s->cur_frame.gm_type[ref] = AV1_WARP_MODEL_IDENTITY; | |
| for (int i = 0; i < 6; i++) | |
| s->cur_frame.gm_params[ref][i] = (i % 3 == 2) ? | |
| 1 << AV1_WARPEDMODEL_PREC_BITS : 0; | |
| } | |
| if (header->frame_type == AV1_FRAME_KEY || | |
| header->frame_type == AV1_FRAME_INTRA_ONLY) | |
| return; | |
| for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) { | |
| if (header->is_global[ref]) { | |
| if (header->is_rot_zoom[ref]) { | |
| type = AV1_WARP_MODEL_ROTZOOM; | |
| } else { | |
| type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION | |
| : AV1_WARP_MODEL_AFFINE; | |
| } | |
| } else { | |
| type = AV1_WARP_MODEL_IDENTITY; | |
| } | |
| s->cur_frame.gm_type[ref] = type; | |
| if (type >= AV1_WARP_MODEL_ROTZOOM) { | |
| read_global_param(s, type, ref, 2); | |
| read_global_param(s, type, ref, 3); | |
| if (type == AV1_WARP_MODEL_AFFINE) { | |
| read_global_param(s, type, ref, 4); | |
| read_global_param(s, type, ref, 5); | |
| } else { | |
| s->cur_frame.gm_params[ref][4] = -s->cur_frame.gm_params[ref][3]; | |
| s->cur_frame.gm_params[ref][5] = s->cur_frame.gm_params[ref][2]; | |
| } | |
| } | |
| if (type >= AV1_WARP_MODEL_TRANSLATION) { | |
| read_global_param(s, type, ref, 0); | |
| read_global_param(s, type, ref, 1); | |
| } | |
| if (type <= AV1_WARP_MODEL_AFFINE) { | |
| s->cur_frame.gm_invalid[ref] = !get_shear_params_valid(s, ref); | |
| } | |
| } | |
| } | |
| static int get_relative_dist(const AV1RawSequenceHeader *seq, | |
| unsigned int a, unsigned int b) | |
| { | |
| unsigned int diff = a - b; | |
| unsigned int m = 1 << seq->order_hint_bits_minus_1; | |
| return (diff & (m - 1)) - (diff & m); | |
| } | |
| static void skip_mode_params(AV1DecContext *s) | |
| { | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| const AV1RawSequenceHeader *seq = s->raw_seq; | |
| int forward_idx, backward_idx; | |
| int forward_hint, backward_hint; | |
| int second_forward_idx, second_forward_hint; | |
| int ref_hint, dist, i; | |
| if (header->frame_type == AV1_FRAME_KEY || | |
| header->frame_type == AV1_FRAME_INTRA_ONLY || | |
| !header->reference_select || !seq->enable_order_hint) | |
| return; | |
| forward_idx = -1; | |
| backward_idx = -1; | |
| for (i = 0; i < AV1_REFS_PER_FRAME; i++) { | |
| ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint; | |
| dist = get_relative_dist(seq, ref_hint, header->order_hint); | |
| if (dist < 0) { | |
| if (forward_idx < 0 || | |
| get_relative_dist(seq, ref_hint, forward_hint) > 0) { | |
| forward_idx = i; | |
| forward_hint = ref_hint; | |
| } | |
| } else if (dist > 0) { | |
| if (backward_idx < 0 || | |
| get_relative_dist(seq, ref_hint, backward_hint) < 0) { | |
| backward_idx = i; | |
| backward_hint = ref_hint; | |
| } | |
| } | |
| } | |
| if (forward_idx < 0) { | |
| return; | |
| } else if (backward_idx >= 0) { | |
| s->cur_frame.skip_mode_frame_idx[0] = | |
| AV1_REF_FRAME_LAST + FFMIN(forward_idx, backward_idx); | |
| s->cur_frame.skip_mode_frame_idx[1] = | |
| AV1_REF_FRAME_LAST + FFMAX(forward_idx, backward_idx); | |
| return; | |
| } | |
| second_forward_idx = -1; | |
| for (i = 0; i < AV1_REFS_PER_FRAME; i++) { | |
| ref_hint = s->ref[header->ref_frame_idx[i]].raw_frame_header->order_hint; | |
| if (get_relative_dist(seq, ref_hint, forward_hint) < 0) { | |
| if (second_forward_idx < 0 || | |
| get_relative_dist(seq, ref_hint, second_forward_hint) > 0) { | |
| second_forward_idx = i; | |
| second_forward_hint = ref_hint; | |
| } | |
| } | |
| } | |
| if (second_forward_idx < 0) | |
| return; | |
| s->cur_frame.skip_mode_frame_idx[0] = | |
| AV1_REF_FRAME_LAST + FFMIN(forward_idx, second_forward_idx); | |
| s->cur_frame.skip_mode_frame_idx[1] = | |
| AV1_REF_FRAME_LAST + FFMAX(forward_idx, second_forward_idx); | |
| } | |
| static void coded_lossless_param(AV1DecContext *s) | |
| { | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| int i; | |
| if (header->delta_q_y_dc || header->delta_q_u_ac || | |
| header->delta_q_u_dc || header->delta_q_v_ac || | |
| header->delta_q_v_dc) { | |
| s->cur_frame.coded_lossless = 0; | |
| return; | |
| } | |
| s->cur_frame.coded_lossless = 1; | |
| for (i = 0; i < AV1_MAX_SEGMENTS; i++) { | |
| int qindex; | |
| if (header->feature_enabled[i][AV1_SEG_LVL_ALT_Q]) { | |
| qindex = (header->base_q_idx + | |
| header->feature_value[i][AV1_SEG_LVL_ALT_Q]); | |
| } else { | |
| qindex = header->base_q_idx; | |
| } | |
| qindex = av_clip_uintp2(qindex, 8); | |
| if (qindex) { | |
| s->cur_frame.coded_lossless = 0; | |
| return; | |
| } | |
| } | |
| } | |
| static void order_hint_info(AV1DecContext *s) | |
| { | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| const AV1RawSequenceHeader *seq = s->raw_seq; | |
| AV1Frame *frame = &s->cur_frame; | |
| frame->order_hint = header->order_hint; | |
| for (int i = 0; i < AV1_REFS_PER_FRAME; i++) { | |
| int ref_name = i + AV1_REF_FRAME_LAST; | |
| int ref_slot = header->ref_frame_idx[i]; | |
| int ref_order_hint = s->ref[ref_slot].order_hint; | |
| frame->order_hints[ref_name] = ref_order_hint; | |
| if (!seq->enable_order_hint) { | |
| frame->ref_frame_sign_bias[ref_name] = 0; | |
| } else { | |
| frame->ref_frame_sign_bias[ref_name] = | |
| get_relative_dist(seq, ref_order_hint, | |
| frame->order_hint) > 0; | |
| } | |
| } | |
| } | |
| static void load_grain_params(AV1DecContext *s) | |
| { | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| const AV1RawFilmGrainParams *film_grain = &header->film_grain, *src; | |
| AV1RawFilmGrainParams *dst = &s->cur_frame.film_grain; | |
| if (!film_grain->apply_grain) | |
| return; | |
| if (film_grain->update_grain) { | |
| memcpy(dst, film_grain, sizeof(*dst)); | |
| return; | |
| } | |
| src = &s->ref[film_grain->film_grain_params_ref_idx].film_grain; | |
| memcpy(dst, src, sizeof(*dst)); | |
| dst->grain_seed = film_grain->grain_seed; | |
| } | |
| static int init_tile_data(AV1DecContext *s) | |
| { | |
| int cur_tile_num = | |
| s->raw_frame_header->tile_cols * s->raw_frame_header->tile_rows; | |
| if (s->tile_num < cur_tile_num) { | |
| int ret = av_reallocp_array(&s->tile_group_info, cur_tile_num, | |
| sizeof(TileGroupInfo)); | |
| if (ret < 0) { | |
| s->tile_num = 0; | |
| return ret; | |
| } | |
| } | |
| s->tile_num = cur_tile_num; | |
| return 0; | |
| } | |
| static int get_tiles_info(AVCodecContext *avctx, const AV1RawTileGroup *tile_group) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| GetByteContext gb; | |
| uint16_t tile_num, tile_row, tile_col; | |
| uint32_t size = 0, size_bytes = 0; | |
| bytestream2_init(&gb, tile_group->tile_data.data, | |
| tile_group->tile_data.data_size); | |
| s->tg_start = tile_group->tg_start; | |
| s->tg_end = tile_group->tg_end; | |
| for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) { | |
| tile_row = tile_num / s->raw_frame_header->tile_cols; | |
| tile_col = tile_num % s->raw_frame_header->tile_cols; | |
| if (tile_num == tile_group->tg_end) { | |
| s->tile_group_info[tile_num].tile_size = bytestream2_get_bytes_left(&gb); | |
| s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb); | |
| s->tile_group_info[tile_num].tile_row = tile_row; | |
| s->tile_group_info[tile_num].tile_column = tile_col; | |
| return 0; | |
| } | |
| size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1; | |
| if (bytestream2_get_bytes_left(&gb) < size_bytes) | |
| return AVERROR_INVALIDDATA; | |
| size = 0; | |
| for (int i = 0; i < size_bytes; i++) | |
| size |= bytestream2_get_byteu(&gb) << 8 * i; | |
| if (bytestream2_get_bytes_left(&gb) <= size) | |
| return AVERROR_INVALIDDATA; | |
| size++; | |
| s->tile_group_info[tile_num].tile_size = size; | |
| s->tile_group_info[tile_num].tile_offset = bytestream2_tell(&gb); | |
| s->tile_group_info[tile_num].tile_row = tile_row; | |
| s->tile_group_info[tile_num].tile_column = tile_col; | |
| bytestream2_skipu(&gb, size); | |
| } | |
| return 0; | |
| } | |
| static enum AVPixelFormat get_sw_pixel_format(void *logctx, | |
| const AV1RawSequenceHeader *seq) | |
| { | |
| int bit_depth; | |
| enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE; | |
| if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) | |
| bit_depth = seq->color_config.twelve_bit ? 12 : 10; | |
| else if (seq->seq_profile <= 2) | |
| bit_depth = seq->color_config.high_bitdepth ? 10 : 8; | |
| else { | |
| av_log(logctx, AV_LOG_ERROR, | |
| "Unknown AV1 profile %d.\n", seq->seq_profile); | |
| return AV_PIX_FMT_NONE; | |
| } | |
| if (!seq->color_config.mono_chrome) { | |
| // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1 | |
| if (seq->color_config.subsampling_x == 0 && | |
| seq->color_config.subsampling_y == 0) { | |
| if (bit_depth == 8) | |
| pix_fmt = AV_PIX_FMT_YUV444P; | |
| else if (bit_depth == 10) | |
| pix_fmt = AV_PIX_FMT_YUV444P10; | |
| else if (bit_depth == 12) | |
| pix_fmt = AV_PIX_FMT_YUV444P12; | |
| else | |
| av_assert0(0); | |
| } else if (seq->color_config.subsampling_x == 1 && | |
| seq->color_config.subsampling_y == 0) { | |
| if (bit_depth == 8) | |
| pix_fmt = AV_PIX_FMT_YUV422P; | |
| else if (bit_depth == 10) | |
| pix_fmt = AV_PIX_FMT_YUV422P10; | |
| else if (bit_depth == 12) | |
| pix_fmt = AV_PIX_FMT_YUV422P12; | |
| else | |
| av_assert0(0); | |
| } else if (seq->color_config.subsampling_x == 1 && | |
| seq->color_config.subsampling_y == 1) { | |
| if (bit_depth == 8) | |
| pix_fmt = AV_PIX_FMT_YUV420P; | |
| else if (bit_depth == 10) | |
| pix_fmt = AV_PIX_FMT_YUV420P10; | |
| else if (bit_depth == 12) | |
| pix_fmt = AV_PIX_FMT_YUV420P12; | |
| else | |
| av_assert0(0); | |
| } | |
| } else { | |
| if (bit_depth == 8) | |
| pix_fmt = AV_PIX_FMT_GRAY8; | |
| else if (bit_depth == 10) | |
| pix_fmt = AV_PIX_FMT_GRAY10; | |
| else if (bit_depth == 12) | |
| pix_fmt = AV_PIX_FMT_GRAY12; | |
| else | |
| av_assert0(0); | |
| } | |
| return pix_fmt; | |
| } | |
| static int get_pixel_format(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| const AV1RawSequenceHeader *seq = s->raw_seq; | |
| int ret; | |
| enum AVPixelFormat pix_fmt = get_sw_pixel_format(avctx, seq); | |
| #define HWACCEL_MAX (CONFIG_AV1_DXVA2_HWACCEL + \ | |
| CONFIG_AV1_D3D11VA_HWACCEL * 2 + \ | |
| CONFIG_AV1_D3D12VA_HWACCEL + \ | |
| CONFIG_AV1_NVDEC_HWACCEL + \ | |
| CONFIG_AV1_VAAPI_HWACCEL + \ | |
| CONFIG_AV1_VDPAU_HWACCEL + \ | |
| CONFIG_AV1_VULKAN_HWACCEL) | |
| enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts; | |
| if (pix_fmt == AV_PIX_FMT_NONE) | |
| return -1; | |
| switch (pix_fmt) { | |
| case AV_PIX_FMT_YUV420P: | |
| #if CONFIG_AV1_DXVA2_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_DXVA2_VLD; | |
| #endif | |
| #if CONFIG_AV1_D3D11VA_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_D3D11VA_VLD; | |
| *fmtp++ = AV_PIX_FMT_D3D11; | |
| #endif | |
| #if CONFIG_AV1_D3D12VA_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_D3D12; | |
| #endif | |
| #if CONFIG_AV1_NVDEC_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_CUDA; | |
| #endif | |
| #if CONFIG_AV1_VAAPI_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VAAPI; | |
| #endif | |
| #if CONFIG_AV1_VDPAU_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VDPAU; | |
| #endif | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV420P10: | |
| #if CONFIG_AV1_DXVA2_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_DXVA2_VLD; | |
| #endif | |
| #if CONFIG_AV1_D3D11VA_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_D3D11VA_VLD; | |
| *fmtp++ = AV_PIX_FMT_D3D11; | |
| #endif | |
| #if CONFIG_AV1_D3D12VA_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_D3D12; | |
| #endif | |
| #if CONFIG_AV1_NVDEC_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_CUDA; | |
| #endif | |
| #if CONFIG_AV1_VAAPI_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VAAPI; | |
| #endif | |
| #if CONFIG_AV1_VDPAU_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VDPAU; | |
| #endif | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV420P12: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV422P: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV422P10: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV422P12: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV444P: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV444P10: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_YUV444P12: | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_VULKAN; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_GRAY8: | |
| #if CONFIG_AV1_NVDEC_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_CUDA; | |
| #endif | |
| break; | |
| case AV_PIX_FMT_GRAY10: | |
| #if CONFIG_AV1_NVDEC_HWACCEL | |
| *fmtp++ = AV_PIX_FMT_CUDA; | |
| #endif | |
| break; | |
| } | |
| *fmtp++ = pix_fmt; | |
| *fmtp = AV_PIX_FMT_NONE; | |
| for (int i = 0; pix_fmts[i] != pix_fmt; i++) | |
| if (pix_fmts[i] == avctx->pix_fmt) { | |
| s->pix_fmt = pix_fmt; | |
| return 1; | |
| } | |
| ret = ff_get_format(avctx, pix_fmts); | |
| /** | |
| * check if the HW accel is inited correctly. If not, return un-implemented. | |
| * Since now the av1 decoder doesn't support native decode, if it will be | |
| * implemented in the future, need remove this check. | |
| */ | |
| if (!avctx->hwaccel) { | |
| av_log(avctx, AV_LOG_ERROR, "Your platform doesn't support" | |
| " hardware accelerated AV1 decoding.\n"); | |
| avctx->pix_fmt = AV_PIX_FMT_NONE; | |
| return AVERROR(ENOSYS); | |
| } | |
| s->pix_fmt = pix_fmt; | |
| avctx->pix_fmt = ret; | |
| av_log(avctx, AV_LOG_DEBUG, "AV1 decode get format: %s.\n", | |
| av_get_pix_fmt_name(avctx->pix_fmt)); | |
| return 0; | |
| } | |
| static void av1_frame_unref(AV1Frame *f) | |
| { | |
| av_frame_unref(f->f); | |
| ff_refstruct_unref(&f->hwaccel_picture_private); | |
| ff_refstruct_unref(&f->header_ref); | |
| f->raw_frame_header = NULL; | |
| f->spatial_id = f->temporal_id = 0; | |
| memset(f->skip_mode_frame_idx, 0, | |
| 2 * sizeof(uint8_t)); | |
| memset(&f->film_grain, 0, sizeof(f->film_grain)); | |
| f->coded_lossless = 0; | |
| } | |
| static int av1_frame_ref(AVCodecContext *avctx, AV1Frame *dst, const AV1Frame *src) | |
| { | |
| int ret; | |
| ff_refstruct_replace(&dst->header_ref, src->header_ref); | |
| dst->raw_frame_header = src->raw_frame_header; | |
| if (!src->f->buf[0]) | |
| return 0; | |
| ret = av_frame_ref(dst->f, src->f); | |
| if (ret < 0) | |
| goto fail; | |
| ff_refstruct_replace(&dst->hwaccel_picture_private, | |
| src->hwaccel_picture_private); | |
| dst->spatial_id = src->spatial_id; | |
| dst->temporal_id = src->temporal_id; | |
| memcpy(dst->gm_invalid, | |
| src->gm_invalid, | |
| AV1_NUM_REF_FRAMES * sizeof(uint8_t)); | |
| memcpy(dst->gm_type, | |
| src->gm_type, | |
| AV1_NUM_REF_FRAMES * sizeof(uint8_t)); | |
| memcpy(dst->gm_params, | |
| src->gm_params, | |
| AV1_NUM_REF_FRAMES * 6 * sizeof(int32_t)); | |
| memcpy(dst->skip_mode_frame_idx, | |
| src->skip_mode_frame_idx, | |
| 2 * sizeof(uint8_t)); | |
| memcpy(&dst->film_grain, | |
| &src->film_grain, | |
| sizeof(dst->film_grain)); | |
| dst->coded_lossless = src->coded_lossless; | |
| dst->order_hint = src->order_hint; | |
| memcpy(dst->ref_frame_sign_bias, src->ref_frame_sign_bias, | |
| sizeof(dst->ref_frame_sign_bias)); | |
| memcpy(dst->order_hints, src->order_hints, | |
| sizeof(dst->order_hints)); | |
| dst->force_integer_mv = src->force_integer_mv; | |
| return 0; | |
| fail: | |
| av1_frame_unref(dst); | |
| return AVERROR(ENOMEM); | |
| } | |
| static av_cold int av1_decode_free(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawMetadataITUTT35 itut_t35; | |
| for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) { | |
| if (s->ref[i].f) { | |
| av1_frame_unref(&s->ref[i]); | |
| av_frame_free(&s->ref[i].f); | |
| } | |
| } | |
| if (s->cur_frame.f) { | |
| av1_frame_unref(&s->cur_frame); | |
| av_frame_free(&s->cur_frame.f); | |
| } | |
| av_buffer_unref(&s->seq_data_ref); | |
| ff_refstruct_unref(&s->seq_ref); | |
| ff_refstruct_unref(&s->header_ref); | |
| ff_refstruct_unref(&s->cll_ref); | |
| ff_refstruct_unref(&s->mdcv_ref); | |
| av_freep(&s->tile_group_info); | |
| while (s->itut_t35_fifo && av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0) | |
| av_buffer_unref(&itut_t35.payload_ref); | |
| av_fifo_freep2(&s->itut_t35_fifo); | |
| ff_cbs_fragment_free(&s->current_obu); | |
| ff_cbs_close(&s->cbc); | |
| ff_dovi_ctx_unref(&s->dovi); | |
| return 0; | |
| } | |
| static int set_context_with_sequence(AVCodecContext *avctx, | |
| const AV1RawSequenceHeader *seq) | |
| { | |
| int width = seq->max_frame_width_minus_1 + 1; | |
| int height = seq->max_frame_height_minus_1 + 1; | |
| avctx->profile = seq->seq_profile; | |
| avctx->level = seq->seq_level_idx[0]; | |
| avctx->color_range = | |
| seq->color_config.color_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; | |
| avctx->color_primaries = seq->color_config.color_primaries; | |
| avctx->colorspace = seq->color_config.matrix_coefficients; | |
| avctx->color_trc = seq->color_config.transfer_characteristics; | |
| switch (seq->color_config.chroma_sample_position) { | |
| case AV1_CSP_VERTICAL: | |
| avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; | |
| break; | |
| case AV1_CSP_COLOCATED: | |
| avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT; | |
| break; | |
| } | |
| if (seq->film_grain_params_present) | |
| avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN; | |
| else | |
| avctx->properties &= ~FF_CODEC_PROPERTY_FILM_GRAIN; | |
| if (avctx->width != width || avctx->height != height) { | |
| int ret = ff_set_dimensions(avctx, width, height); | |
| if (ret < 0) | |
| return ret; | |
| } | |
| if (seq->timing_info_present_flag) | |
| avctx->framerate = ff_av1_framerate(1LL + seq->timing_info.num_ticks_per_picture_minus_1, | |
| seq->timing_info.num_units_in_display_tick, | |
| seq->timing_info.time_scale); | |
| if (avctx->pix_fmt == AV_PIX_FMT_NONE) | |
| avctx->pix_fmt = get_sw_pixel_format(avctx, seq); | |
| return 0; | |
| } | |
| static int update_context_with_frame_header(AVCodecContext *avctx, | |
| const AV1RawFrameHeader *header) | |
| { | |
| AVRational aspect_ratio; | |
| int width = header->frame_width_minus_1 + 1; | |
| int height = header->frame_height_minus_1 + 1; | |
| int r_width = header->render_width_minus_1 + 1; | |
| int r_height = header->render_height_minus_1 + 1; | |
| int ret; | |
| if (avctx->width != width || avctx->height != height) { | |
| ret = ff_set_dimensions(avctx, width, height); | |
| if (ret < 0) | |
| return ret; | |
| } | |
| av_reduce(&aspect_ratio.num, &aspect_ratio.den, | |
| (int64_t)height * r_width, | |
| (int64_t)width * r_height, | |
| INT_MAX); | |
| if (av_cmp_q(avctx->sample_aspect_ratio, aspect_ratio)) { | |
| ret = ff_set_sar(avctx, aspect_ratio); | |
| if (ret < 0) | |
| return ret; | |
| } | |
| return 0; | |
| } | |
| static const CodedBitstreamUnitType decompose_unit_types[] = { | |
| AV1_OBU_FRAME, | |
| AV1_OBU_FRAME_HEADER, | |
| AV1_OBU_METADATA, | |
| AV1_OBU_REDUNDANT_FRAME_HEADER, | |
| AV1_OBU_SEQUENCE_HEADER, | |
| AV1_OBU_TEMPORAL_DELIMITER, | |
| AV1_OBU_TILE_GROUP, | |
| }; | |
| static av_cold int av1_decode_init(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawSequenceHeader *seq; | |
| const AVPacketSideData *sd; | |
| int ret; | |
| s->avctx = avctx; | |
| s->pkt = avctx->internal->in_pkt; | |
| s->pix_fmt = AV_PIX_FMT_NONE; | |
| for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) { | |
| s->ref[i].f = av_frame_alloc(); | |
| if (!s->ref[i].f) | |
| return AVERROR(ENOMEM); | |
| } | |
| s->cur_frame.f = av_frame_alloc(); | |
| if (!s->cur_frame.f) | |
| return AVERROR(ENOMEM); | |
| ret = ff_cbs_init(&s->cbc, AV_CODEC_ID_AV1, avctx); | |
| if (ret < 0) | |
| return ret; | |
| s->cbc->decompose_unit_types = decompose_unit_types; | |
| s->cbc->nb_decompose_unit_types = FF_ARRAY_ELEMS(decompose_unit_types); | |
| s->itut_t35_fifo = av_fifo_alloc2(1, sizeof(AV1RawMetadataITUTT35), | |
| AV_FIFO_FLAG_AUTO_GROW); | |
| if (!s->itut_t35_fifo) | |
| return AVERROR(ENOMEM); | |
| av_opt_set_int(s->cbc->priv_data, "operating_point", s->operating_point, 0); | |
| if (avctx->extradata && avctx->extradata_size) { | |
| ret = ff_cbs_read_extradata_from_codec(s->cbc, | |
| &s->current_obu, | |
| avctx); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_WARNING, "Failed to read extradata.\n"); | |
| goto end; | |
| } | |
| seq = ((CodedBitstreamAV1Context *)(s->cbc->priv_data))->sequence_header; | |
| if (!seq) { | |
| av_log(avctx, AV_LOG_WARNING, "No sequence header available.\n"); | |
| goto end; | |
| } | |
| ret = set_context_with_sequence(avctx, seq); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_WARNING, "Failed to set decoder context.\n"); | |
| goto end; | |
| } | |
| end: | |
| ff_cbs_fragment_reset(&s->current_obu); | |
| } | |
| s->dovi.logctx = avctx; | |
| s->dovi.dv_profile = 10; // default for AV1 | |
| sd = ff_get_coded_side_data(avctx, AV_PKT_DATA_DOVI_CONF); | |
| if (sd && sd->size > 0) | |
| ff_dovi_update_cfg(&s->dovi, (AVDOVIDecoderConfigurationRecord *) sd->data); | |
| return ret; | |
| } | |
| static int av1_frame_alloc(AVCodecContext *avctx, AV1Frame *f) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawFrameHeader *header= s->raw_frame_header; | |
| AVFrame *frame; | |
| int ret; | |
| ret = update_context_with_frame_header(avctx, header); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to update context with frame header\n"); | |
| return ret; | |
| } | |
| if ((ret = ff_thread_get_buffer(avctx, f->f, AV_GET_BUFFER_FLAG_REF)) < 0) | |
| goto fail; | |
| frame = f->f; | |
| if (header->frame_type == AV1_FRAME_KEY) | |
| frame->flags |= AV_FRAME_FLAG_KEY; | |
| else | |
| frame->flags &= ~AV_FRAME_FLAG_KEY; | |
| switch (header->frame_type) { | |
| case AV1_FRAME_KEY: | |
| case AV1_FRAME_INTRA_ONLY: | |
| frame->pict_type = AV_PICTURE_TYPE_I; | |
| break; | |
| case AV1_FRAME_INTER: | |
| frame->pict_type = AV_PICTURE_TYPE_P; | |
| break; | |
| case AV1_FRAME_SWITCH: | |
| frame->pict_type = AV_PICTURE_TYPE_SP; | |
| break; | |
| } | |
| ret = ff_hwaccel_frame_priv_alloc(avctx, &f->hwaccel_picture_private); | |
| if (ret < 0) | |
| goto fail; | |
| return 0; | |
| fail: | |
| av1_frame_unref(f); | |
| return ret; | |
| } | |
| static int export_itut_t35(AVCodecContext *avctx, AVFrame *frame, | |
| const AV1RawMetadataITUTT35 *itut_t35) | |
| { | |
| GetByteContext gb; | |
| AV1DecContext *s = avctx->priv_data; | |
| int ret, provider_code; | |
| bytestream2_init(&gb, itut_t35->payload, itut_t35->payload_size); | |
| provider_code = bytestream2_get_be16(&gb); | |
| switch (provider_code) { | |
| case ITU_T_T35_PROVIDER_CODE_ATSC: { | |
| uint32_t user_identifier = bytestream2_get_be32(&gb); | |
| switch (user_identifier) { | |
| case MKBETAG('G', 'A', '9', '4'): { // closed captions | |
| AVBufferRef *buf = NULL; | |
| ret = ff_parse_a53_cc(&buf, gb.buffer, bytestream2_get_bytes_left(&gb)); | |
| if (ret < 0) | |
| return ret; | |
| if (!ret) | |
| break; | |
| ret = ff_frame_new_side_data_from_buf(avctx, frame, AV_FRAME_DATA_A53_CC, &buf, NULL); | |
| if (ret < 0) | |
| return ret; | |
| avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS; | |
| break; | |
| } | |
| default: // ignore unsupported identifiers | |
| break; | |
| } | |
| break; | |
| } | |
| case ITU_T_T35_PROVIDER_CODE_SMTPE: { | |
| AVDynamicHDRPlus *hdrplus; | |
| int provider_oriented_code = bytestream2_get_be16(&gb); | |
| int application_identifier = bytestream2_get_byte(&gb); | |
| if (itut_t35->itu_t_t35_country_code != ITU_T_T35_COUNTRY_CODE_US || | |
| provider_oriented_code != 1 || application_identifier != 4) | |
| break; | |
| hdrplus = av_dynamic_hdr_plus_create_side_data(frame); | |
| if (!hdrplus) | |
| return AVERROR(ENOMEM); | |
| ret = av_dynamic_hdr_plus_from_t35(hdrplus, gb.buffer, | |
| bytestream2_get_bytes_left(&gb)); | |
| if (ret < 0) | |
| return ret; | |
| break; | |
| } | |
| case ITU_T_T35_PROVIDER_CODE_DOLBY: { | |
| int provider_oriented_code = bytestream2_get_be32(&gb); | |
| if (itut_t35->itu_t_t35_country_code != ITU_T_T35_COUNTRY_CODE_US || | |
| provider_oriented_code != 0x800) | |
| break; | |
| ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, gb.buffer_end - gb.buffer); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_WARNING, "Error parsing DOVI OBU.\n"); | |
| break; // ignore | |
| } | |
| ret = ff_dovi_attach_side_data(&s->dovi, frame); | |
| if (ret < 0) | |
| return ret; | |
| break; | |
| } | |
| default: // ignore unsupported provider codes | |
| break; | |
| } | |
| return 0; | |
| } | |
| static int export_metadata(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawMetadataITUTT35 itut_t35; | |
| int ret = 0; | |
| if (s->mdcv) { | |
| AVMasteringDisplayMetadata *mastering; | |
| ret = ff_decode_mastering_display_new(avctx, frame, &mastering); | |
| if (ret < 0) | |
| return ret; | |
| if (mastering) { | |
| for (int i = 0; i < 3; i++) { | |
| mastering->display_primaries[i][0] = av_make_q(s->mdcv->primary_chromaticity_x[i], 1 << 16); | |
| mastering->display_primaries[i][1] = av_make_q(s->mdcv->primary_chromaticity_y[i], 1 << 16); | |
| } | |
| mastering->white_point[0] = av_make_q(s->mdcv->white_point_chromaticity_x, 1 << 16); | |
| mastering->white_point[1] = av_make_q(s->mdcv->white_point_chromaticity_y, 1 << 16); | |
| mastering->max_luminance = av_make_q(s->mdcv->luminance_max, 1 << 8); | |
| mastering->min_luminance = av_make_q(s->mdcv->luminance_min, 1 << 14); | |
| mastering->has_primaries = 1; | |
| mastering->has_luminance = 1; | |
| } | |
| } | |
| if (s->cll) { | |
| AVContentLightMetadata *light; | |
| ret = ff_decode_content_light_new(avctx, frame, &light); | |
| if (ret < 0) | |
| return ret; | |
| if (light) { | |
| light->MaxCLL = s->cll->max_cll; | |
| light->MaxFALL = s->cll->max_fall; | |
| } | |
| } | |
| while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0) { | |
| if (ret >= 0) | |
| ret = export_itut_t35(avctx, frame, &itut_t35); | |
| av_buffer_unref(&itut_t35.payload_ref); | |
| } | |
| return ret; | |
| } | |
| static int export_film_grain(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain; | |
| const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(frame->format); | |
| AVFilmGrainParams *fgp; | |
| AVFilmGrainAOMParams *aom; | |
| av_assert0(pixdesc); | |
| if (!film_grain->apply_grain) | |
| return 0; | |
| fgp = av_film_grain_params_create_side_data(frame); | |
| if (!fgp) | |
| return AVERROR(ENOMEM); | |
| fgp->type = AV_FILM_GRAIN_PARAMS_AV1; | |
| fgp->seed = film_grain->grain_seed; | |
| fgp->width = frame->width; | |
| fgp->height = frame->height; | |
| fgp->color_range = frame->color_range; | |
| fgp->color_primaries = frame->color_primaries; | |
| fgp->color_trc = frame->color_trc; | |
| fgp->color_space = frame->colorspace; | |
| fgp->subsampling_x = pixdesc->log2_chroma_w; | |
| fgp->subsampling_y = pixdesc->log2_chroma_h; | |
| aom = &fgp->codec.aom; | |
| aom->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma; | |
| aom->scaling_shift = film_grain->grain_scaling_minus_8 + 8; | |
| aom->ar_coeff_lag = film_grain->ar_coeff_lag; | |
| aom->ar_coeff_shift = film_grain->ar_coeff_shift_minus_6 + 6; | |
| aom->grain_scale_shift = film_grain->grain_scale_shift; | |
| aom->overlap_flag = film_grain->overlap_flag; | |
| aom->limit_output_range = film_grain->clip_to_restricted_range; | |
| aom->num_y_points = film_grain->num_y_points; | |
| for (int i = 0; i < film_grain->num_y_points; i++) { | |
| aom->y_points[i][0] = film_grain->point_y_value[i]; | |
| aom->y_points[i][1] = film_grain->point_y_scaling[i]; | |
| } | |
| aom->num_uv_points[0] = film_grain->num_cb_points; | |
| for (int i = 0; i < film_grain->num_cb_points; i++) { | |
| aom->uv_points[0][i][0] = film_grain->point_cb_value[i]; | |
| aom->uv_points[0][i][1] = film_grain->point_cb_scaling[i]; | |
| } | |
| aom->num_uv_points[1] = film_grain->num_cr_points; | |
| for (int i = 0; i < film_grain->num_cr_points; i++) { | |
| aom->uv_points[1][i][0] = film_grain->point_cr_value[i]; | |
| aom->uv_points[1][i][1] = film_grain->point_cr_scaling[i]; | |
| } | |
| for (int i = 0; i < 24; i++) { | |
| aom->ar_coeffs_y[i] = film_grain->ar_coeffs_y_plus_128[i] - 128; | |
| } | |
| for (int i = 0; i < 25; i++) { | |
| aom->ar_coeffs_uv[0][i] = film_grain->ar_coeffs_cb_plus_128[i] - 128; | |
| aom->ar_coeffs_uv[1][i] = film_grain->ar_coeffs_cr_plus_128[i] - 128; | |
| } | |
| aom->uv_mult[0] = film_grain->cb_mult; | |
| aom->uv_mult[1] = film_grain->cr_mult; | |
| aom->uv_mult_luma[0] = film_grain->cb_luma_mult; | |
| aom->uv_mult_luma[1] = film_grain->cr_luma_mult; | |
| aom->uv_offset[0] = film_grain->cb_offset; | |
| aom->uv_offset[1] = film_grain->cr_offset; | |
| return 0; | |
| } | |
| static int set_output_frame(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| const AVFrame *srcframe = s->cur_frame.f; | |
| AVPacket *pkt = s->pkt; | |
| int ret; | |
| // TODO: all layers | |
| if (s->operating_point_idc && | |
| av_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id) | |
| return 0; | |
| ret = av_frame_ref(frame, srcframe); | |
| if (ret < 0) | |
| return ret; | |
| ret = export_metadata(avctx, frame); | |
| if (ret < 0) { | |
| av_frame_unref(frame); | |
| return ret; | |
| } | |
| if (avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) { | |
| ret = export_film_grain(avctx, frame); | |
| if (ret < 0) { | |
| av_frame_unref(frame); | |
| return ret; | |
| } | |
| } | |
| frame->pts = pkt->pts; | |
| frame->pkt_dts = pkt->dts; | |
| #if FF_API_FRAME_PKT | |
| FF_DISABLE_DEPRECATION_WARNINGS | |
| frame->pkt_size = pkt->size; | |
| frame->pkt_pos = pkt->pos; | |
| FF_ENABLE_DEPRECATION_WARNINGS | |
| #endif | |
| av_packet_unref(pkt); | |
| return 0; | |
| } | |
| static int update_reference_list(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| const AV1RawFrameHeader *header = s->raw_frame_header; | |
| int ret; | |
| for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) { | |
| if (header->refresh_frame_flags & (1 << i)) { | |
| av1_frame_unref(&s->ref[i]); | |
| if ((ret = av1_frame_ref(avctx, &s->ref[i], &s->cur_frame)) < 0) { | |
| av_log(avctx, AV_LOG_ERROR, | |
| "Failed to update frame %d in reference list\n", i); | |
| return ret; | |
| } | |
| } | |
| } | |
| return 0; | |
| } | |
| static int get_current_frame(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| int ret; | |
| av1_frame_unref(&s->cur_frame); | |
| s->cur_frame.header_ref = ff_refstruct_ref(s->header_ref); | |
| s->cur_frame.raw_frame_header = s->raw_frame_header; | |
| ret = init_tile_data(s); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to init tile data.\n"); | |
| return ret; | |
| } | |
| if ((avctx->skip_frame >= AVDISCARD_NONINTRA && | |
| (s->raw_frame_header->frame_type != AV1_FRAME_KEY && | |
| s->raw_frame_header->frame_type != AV1_FRAME_INTRA_ONLY)) || | |
| (avctx->skip_frame >= AVDISCARD_NONKEY && | |
| s->raw_frame_header->frame_type != AV1_FRAME_KEY) || | |
| avctx->skip_frame >= AVDISCARD_ALL) | |
| return 0; | |
| if (s->pix_fmt == AV_PIX_FMT_NONE) { | |
| ret = get_pixel_format(avctx); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to get pixel format.\n"); | |
| return ret; | |
| } | |
| if (!ret && FF_HW_HAS_CB(avctx, decode_params)) { | |
| ret = FF_HW_CALL(avctx, decode_params, AV1_OBU_SEQUENCE_HEADER, | |
| s->seq_data_ref->data, s->seq_data_ref->size); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "HW accel decode params fail.\n"); | |
| return ret; | |
| } | |
| } | |
| } | |
| ret = av1_frame_alloc(avctx, &s->cur_frame); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, | |
| "Failed to allocate space for current frame.\n"); | |
| return ret; | |
| } | |
| global_motion_params(s); | |
| skip_mode_params(s); | |
| coded_lossless_param(s); | |
| order_hint_info(s); | |
| load_grain_params(s); | |
| s->cur_frame.force_integer_mv = | |
| s->raw_frame_header->force_integer_mv || | |
| s->raw_frame_header->frame_type == AV1_FRAME_KEY || | |
| s->raw_frame_header->frame_type == AV1_FRAME_INTRA_ONLY; | |
| return ret; | |
| } | |
| static int av1_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawTileGroup *raw_tile_group = NULL; | |
| int i = 0, ret; | |
| for (i = s->nb_unit; i < s->current_obu.nb_units; i++) { | |
| CodedBitstreamUnit *unit = &s->current_obu.units[i]; | |
| AV1RawOBU *obu = unit->content; | |
| const AV1RawOBUHeader *header; | |
| av_log(avctx, AV_LOG_DEBUG, "OBU idx:%d, type:%d, content available:%d.\n", i, unit->type, !!obu); | |
| if (unit->type == AV1_OBU_TILE_LIST) { | |
| av_log(avctx, AV_LOG_ERROR, "Large scale tile decoding is unsupported.\n"); | |
| ret = AVERROR_PATCHWELCOME; | |
| goto end; | |
| } | |
| if (!obu) | |
| continue; | |
| header = &obu->header; | |
| switch (unit->type) { | |
| case AV1_OBU_SEQUENCE_HEADER: | |
| ret = av_buffer_replace(&s->seq_data_ref, unit->data_ref); | |
| if (ret < 0) | |
| goto end; | |
| s->seq_data_ref->data = unit->data; | |
| s->seq_data_ref->size = unit->data_size; | |
| ff_refstruct_replace(&s->seq_ref, unit->content_ref); | |
| s->raw_seq = &obu->obu.sequence_header; | |
| ret = set_context_with_sequence(avctx, s->raw_seq); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to set context.\n"); | |
| s->raw_seq = NULL; | |
| goto end; | |
| } | |
| s->operating_point_idc = s->raw_seq->operating_point_idc[s->operating_point]; | |
| s->pix_fmt = AV_PIX_FMT_NONE; | |
| break; | |
| case AV1_OBU_REDUNDANT_FRAME_HEADER: | |
| if (s->raw_frame_header) | |
| break; | |
| // fall-through | |
| case AV1_OBU_FRAME: | |
| case AV1_OBU_FRAME_HEADER: | |
| if (!s->raw_seq) { | |
| av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n"); | |
| ret = AVERROR_INVALIDDATA; | |
| goto end; | |
| } | |
| ff_refstruct_replace(&s->header_ref, unit->content_ref); | |
| if (unit->type == AV1_OBU_FRAME) | |
| s->raw_frame_header = &obu->obu.frame.header; | |
| else | |
| s->raw_frame_header = &obu->obu.frame_header; | |
| if (s->raw_frame_header->show_existing_frame) { | |
| av1_frame_unref(&s->cur_frame); | |
| ret = av1_frame_ref(avctx, &s->cur_frame, | |
| &s->ref[s->raw_frame_header->frame_to_show_map_idx]); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to get reference frame.\n"); | |
| goto end; | |
| } | |
| ret = update_reference_list(avctx); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n"); | |
| goto end; | |
| } | |
| if (s->cur_frame.f->buf[0]) { | |
| ret = set_output_frame(avctx, frame); | |
| if (ret < 0) | |
| av_log(avctx, AV_LOG_ERROR, "Set output frame error.\n"); | |
| } | |
| s->raw_frame_header = NULL; | |
| i++; | |
| goto end; | |
| } | |
| ret = get_current_frame(avctx); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Get current frame error\n"); | |
| goto end; | |
| } | |
| s->cur_frame.spatial_id = header->spatial_id; | |
| s->cur_frame.temporal_id = header->temporal_id; | |
| if (avctx->hwaccel && s->cur_frame.f->buf[0]) { | |
| ret = FF_HW_CALL(avctx, start_frame, unit->data, unit->data_size); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "HW accel start frame fail.\n"); | |
| goto end; | |
| } | |
| } | |
| if (unit->type != AV1_OBU_FRAME) | |
| break; | |
| // fall-through | |
| case AV1_OBU_TILE_GROUP: | |
| if (!s->raw_frame_header) { | |
| av_log(avctx, AV_LOG_ERROR, "Missing Frame Header.\n"); | |
| ret = AVERROR_INVALIDDATA; | |
| goto end; | |
| } | |
| if (unit->type == AV1_OBU_FRAME) | |
| raw_tile_group = &obu->obu.frame.tile_group; | |
| else | |
| raw_tile_group = &obu->obu.tile_group; | |
| ret = get_tiles_info(avctx, raw_tile_group); | |
| if (ret < 0) | |
| goto end; | |
| if (avctx->hwaccel && s->cur_frame.f->buf[0]) { | |
| ret = FF_HW_CALL(avctx, decode_slice, raw_tile_group->tile_data.data, | |
| raw_tile_group->tile_data.data_size); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, | |
| "HW accel decode slice fail.\n"); | |
| goto end; | |
| } | |
| } | |
| break; | |
| case AV1_OBU_TILE_LIST: | |
| case AV1_OBU_TEMPORAL_DELIMITER: | |
| case AV1_OBU_PADDING: | |
| break; | |
| case AV1_OBU_METADATA: | |
| switch (obu->obu.metadata.metadata_type) { | |
| case AV1_METADATA_TYPE_HDR_CLL: | |
| ff_refstruct_replace(&s->cll_ref, unit->content_ref); | |
| s->cll = &obu->obu.metadata.metadata.hdr_cll; | |
| break; | |
| case AV1_METADATA_TYPE_HDR_MDCV: | |
| ff_refstruct_replace(&s->mdcv_ref, unit->content_ref); | |
| s->mdcv = &obu->obu.metadata.metadata.hdr_mdcv; | |
| break; | |
| case AV1_METADATA_TYPE_ITUT_T35: { | |
| AV1RawMetadataITUTT35 itut_t35; | |
| memcpy(&itut_t35, &obu->obu.metadata.metadata.itut_t35, sizeof(itut_t35)); | |
| itut_t35.payload_ref = av_buffer_ref(obu->obu.metadata.metadata.itut_t35.payload_ref); | |
| if (!itut_t35.payload_ref) { | |
| ret = AVERROR(ENOMEM); | |
| goto end; | |
| } | |
| ret = av_fifo_write(s->itut_t35_fifo, &itut_t35, 1); | |
| if (ret < 0) { | |
| av_buffer_unref(&itut_t35.payload_ref); | |
| goto end; | |
| } | |
| break; | |
| } | |
| default: | |
| break; | |
| } | |
| break; | |
| default: | |
| av_log(avctx, AV_LOG_DEBUG, | |
| "Unknown obu type: %d (%"SIZE_SPECIFIER" bits).\n", | |
| unit->type, unit->data_size); | |
| } | |
| if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) { | |
| int show_frame = s->raw_frame_header->show_frame; | |
| if (avctx->hwaccel && s->cur_frame.f->buf[0]) { | |
| ret = FF_HW_SIMPLE_CALL(avctx, end_frame); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "HW accel end frame fail.\n"); | |
| goto end; | |
| } | |
| } | |
| ret = update_reference_list(avctx); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Failed to update reference list.\n"); | |
| goto end; | |
| } | |
| if (s->raw_frame_header->show_frame && s->cur_frame.f->buf[0]) { | |
| ret = set_output_frame(avctx, frame); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Set output frame error\n"); | |
| goto end; | |
| } | |
| } | |
| raw_tile_group = NULL; | |
| s->raw_frame_header = NULL; | |
| if (show_frame) { | |
| i++; | |
| goto end; | |
| } | |
| } | |
| } | |
| ret = AVERROR(EAGAIN); | |
| end: | |
| av_assert0(i <= s->current_obu.nb_units); | |
| s->nb_unit = i; | |
| if ((ret < 0 && ret != AVERROR(EAGAIN)) || s->current_obu.nb_units == i) { | |
| if (ret < 0) | |
| s->raw_frame_header = NULL; | |
| av_packet_unref(s->pkt); | |
| ff_cbs_fragment_reset(&s->current_obu); | |
| s->nb_unit = 0; | |
| } | |
| if (!ret && !frame->buf[0]) | |
| ret = AVERROR(EAGAIN); | |
| return ret; | |
| } | |
| static int av1_receive_frame(AVCodecContext *avctx, AVFrame *frame) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| int ret; | |
| do { | |
| if (!s->current_obu.nb_units) { | |
| ret = ff_decode_get_packet(avctx, s->pkt); | |
| if (ret < 0) | |
| return ret; | |
| ret = ff_cbs_read_packet(s->cbc, &s->current_obu, s->pkt); | |
| if (ret < 0) { | |
| ff_cbs_fragment_reset(&s->current_obu); | |
| av_packet_unref(s->pkt); | |
| av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n"); | |
| return ret; | |
| } | |
| s->nb_unit = 0; | |
| av_log(avctx, AV_LOG_DEBUG, "Total OBUs on this packet: %d.\n", | |
| s->current_obu.nb_units); | |
| } | |
| ret = av1_receive_frame_internal(avctx, frame); | |
| } while (ret == AVERROR(EAGAIN)); | |
| return ret; | |
| } | |
| static void av1_decode_flush(AVCodecContext *avctx) | |
| { | |
| AV1DecContext *s = avctx->priv_data; | |
| AV1RawMetadataITUTT35 itut_t35; | |
| for (int i = 0; i < FF_ARRAY_ELEMS(s->ref); i++) | |
| av1_frame_unref(&s->ref[i]); | |
| av1_frame_unref(&s->cur_frame); | |
| s->operating_point_idc = 0; | |
| s->nb_unit = 0; | |
| s->raw_frame_header = NULL; | |
| s->raw_seq = NULL; | |
| s->cll = NULL; | |
| s->mdcv = NULL; | |
| while (av_fifo_read(s->itut_t35_fifo, &itut_t35, 1) >= 0) | |
| av_buffer_unref(&itut_t35.payload_ref); | |
| ff_cbs_fragment_reset(&s->current_obu); | |
| ff_cbs_flush(s->cbc); | |
| if (FF_HW_HAS_CB(avctx, flush)) | |
| FF_HW_SIMPLE_CALL(avctx, flush); | |
| } | |
| #define OFFSET(x) offsetof(AV1DecContext, x) | |
| #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | |
| static const AVOption av1_options[] = { | |
| { "operating_point", "Select an operating point of the scalable bitstream", | |
| OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, AV1_MAX_OPERATING_POINTS - 1, VD }, | |
| { NULL } | |
| }; | |
| static const AVClass av1_class = { | |
| .class_name = "AV1 decoder", | |
| .item_name = av_default_item_name, | |
| .option = av1_options, | |
| .version = LIBAVUTIL_VERSION_INT, | |
| }; | |
| const FFCodec ff_av1_decoder = { | |
| .p.name = "av1", | |
| CODEC_LONG_NAME("Alliance for Open Media AV1"), | |
| .p.type = AVMEDIA_TYPE_VIDEO, | |
| .p.id = AV_CODEC_ID_AV1, | |
| .priv_data_size = sizeof(AV1DecContext), | |
| .init = av1_decode_init, | |
| .close = av1_decode_free, | |
| FF_CODEC_RECEIVE_FRAME_CB(av1_receive_frame), | |
| .p.capabilities = AV_CODEC_CAP_DR1, | |
| .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, | |
| .flush = av1_decode_flush, | |
| .p.profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles), | |
| .p.priv_class = &av1_class, | |
| .hw_configs = (const AVCodecHWConfigInternal *const []) { | |
| #if CONFIG_AV1_DXVA2_HWACCEL | |
| HWACCEL_DXVA2(av1), | |
| #endif | |
| #if CONFIG_AV1_D3D11VA_HWACCEL | |
| HWACCEL_D3D11VA(av1), | |
| #endif | |
| #if CONFIG_AV1_D3D11VA2_HWACCEL | |
| HWACCEL_D3D11VA2(av1), | |
| #endif | |
| #if CONFIG_AV1_D3D12VA_HWACCEL | |
| HWACCEL_D3D12VA(av1), | |
| #endif | |
| #if CONFIG_AV1_NVDEC_HWACCEL | |
| HWACCEL_NVDEC(av1), | |
| #endif | |
| #if CONFIG_AV1_VAAPI_HWACCEL | |
| HWACCEL_VAAPI(av1), | |
| #endif | |
| #if CONFIG_AV1_VDPAU_HWACCEL | |
| HWACCEL_VDPAU(av1), | |
| #endif | |
| #if CONFIG_AV1_VULKAN_HWACCEL | |
| HWACCEL_VULKAN(av1), | |
| #endif | |
| NULL | |
| }, | |
| }; |