forked from KolibriOS/kolibrios
1306 lines
49 KiB
C
1306 lines
49 KiB
C
/*
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* HEVC Parameter Set Decoding
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*
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* Copyright (C) 2012 - 2103 Guillaume Martres
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* Copyright (C) 2012 - 2103 Mickael Raulet
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* Copyright (C) 2012 - 2013 Gildas Cocherel
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* Copyright (C) 2013 Vittorio Giovara
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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 "golomb.h"
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#include "libavutil/imgutils.h"
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#include "hevc.h"
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static const uint8_t default_scaling_list_intra[] = {
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16, 16, 16, 16, 17, 18, 21, 24,
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16, 16, 16, 16, 17, 19, 22, 25,
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16, 16, 17, 18, 20, 22, 25, 29,
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16, 16, 18, 21, 24, 27, 31, 36,
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17, 17, 20, 24, 30, 35, 41, 47,
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18, 19, 22, 27, 35, 44, 54, 65,
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21, 22, 25, 31, 41, 54, 70, 88,
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24, 25, 29,36, 47, 65, 88, 115
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};
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static const uint8_t default_scaling_list_inter[] = {
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16, 16, 16, 16, 17, 18, 20, 24,
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16, 16, 16, 17, 18, 20, 24, 25,
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16, 16, 17, 18, 20, 24, 25, 28,
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16, 17, 18, 20, 24, 25, 28, 33,
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17, 18, 20, 24, 25, 28, 33, 41,
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18, 20, 24, 25, 28, 33, 41, 54,
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20, 24, 25, 28, 33, 41, 54, 71,
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24, 25, 28, 33, 41, 54, 71, 91
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};
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static const AVRational vui_sar[] = {
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{ 0, 1 },
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{ 1, 1 },
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{ 12, 11 },
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{ 10, 11 },
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{ 16, 11 },
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{ 40, 33 },
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{ 24, 11 },
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{ 20, 11 },
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{ 32, 11 },
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{ 80, 33 },
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{ 18, 11 },
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{ 15, 11 },
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{ 64, 33 },
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{ 160, 99 },
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{ 4, 3 },
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{ 3, 2 },
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{ 2, 1 },
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};
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int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
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const HEVCSPS *sps, int is_slice_header)
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{
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HEVCLocalContext *lc = s->HEVClc;
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uint8_t rps_predict = 0;
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int delta_poc;
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int k0 = 0;
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int k1 = 0;
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int k = 0;
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int i;
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GetBitContext *gb = &lc->gb;
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if (rps != sps->st_rps && sps->nb_st_rps)
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rps_predict = get_bits1(gb);
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if (rps_predict) {
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const ShortTermRPS *rps_ridx;
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int delta_rps, abs_delta_rps;
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uint8_t use_delta_flag = 0;
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uint8_t delta_rps_sign;
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if (is_slice_header) {
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int delta_idx = get_ue_golomb_long(gb) + 1;
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if (delta_idx > sps->nb_st_rps) {
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av_log(s->avctx, AV_LOG_ERROR, "Invalid value of delta_idx "
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"in slice header RPS: %d > %d.\n", delta_idx,
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sps->nb_st_rps);
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return AVERROR_INVALIDDATA;
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}
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rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx];
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} else
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rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
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delta_rps_sign = get_bits1(gb);
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abs_delta_rps = get_ue_golomb_long(gb) + 1;
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delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
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for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
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int used = rps->used[k] = get_bits1(gb);
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if (!used)
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use_delta_flag = get_bits1(gb);
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if (used || use_delta_flag) {
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if (i < rps_ridx->num_delta_pocs)
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delta_poc = delta_rps + rps_ridx->delta_poc[i];
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else
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delta_poc = delta_rps;
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rps->delta_poc[k] = delta_poc;
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if (delta_poc < 0)
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k0++;
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else
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k1++;
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k++;
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}
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}
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rps->num_delta_pocs = k;
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rps->num_negative_pics = k0;
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// sort in increasing order (smallest first)
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if (rps->num_delta_pocs != 0) {
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int used, tmp;
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for (i = 1; i < rps->num_delta_pocs; i++) {
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delta_poc = rps->delta_poc[i];
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used = rps->used[i];
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for (k = i-1 ; k >= 0; k--) {
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tmp = rps->delta_poc[k];
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if (delta_poc < tmp ) {
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rps->delta_poc[k+1] = tmp;
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rps->used[k+1] = rps->used[k];
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rps->delta_poc[k] = delta_poc;
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rps->used[k] = used;
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}
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}
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}
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}
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if ((rps->num_negative_pics >> 1) != 0) {
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int used;
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k = rps->num_negative_pics - 1;
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// flip the negative values to largest first
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for (i = 0; i < rps->num_negative_pics>>1; i++) {
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delta_poc = rps->delta_poc[i];
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used = rps->used[i];
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rps->delta_poc[i] = rps->delta_poc[k];
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rps->used[i] = rps->used[k];
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rps->delta_poc[k] = delta_poc;
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rps->used[k] = used;
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k--;
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}
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}
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} else {
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unsigned int prev, nb_positive_pics;
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rps->num_negative_pics = get_ue_golomb_long(gb);
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nb_positive_pics = get_ue_golomb_long(gb);
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if (rps->num_negative_pics >= MAX_REFS ||
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nb_positive_pics >= MAX_REFS) {
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av_log(s->avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n");
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return AVERROR_INVALIDDATA;
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}
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rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
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if (rps->num_delta_pocs) {
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prev = 0;
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for (i = 0; i < rps->num_negative_pics; i++) {
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delta_poc = get_ue_golomb_long(gb) + 1;
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prev -= delta_poc;
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rps->delta_poc[i] = prev;
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rps->used[i] = get_bits1(gb);
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}
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prev = 0;
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for (i = 0; i < nb_positive_pics; i++) {
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delta_poc = get_ue_golomb_long(gb) + 1;
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prev += delta_poc;
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rps->delta_poc[rps->num_negative_pics + i] = prev;
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rps->used[rps->num_negative_pics + i] = get_bits1(gb);
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}
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}
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}
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return 0;
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}
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static int decode_profile_tier_level(HEVCLocalContext *lc, PTL *ptl, int max_num_sub_layers)
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{
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int i, j;
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GetBitContext *gb = &lc->gb;
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ptl->general_profile_space = get_bits(gb, 2);
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ptl->general_tier_flag = get_bits1(gb);
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ptl->general_profile_idc = get_bits(gb, 5);
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for (i = 0; i < 32; i++)
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ptl->general_profile_compatibility_flag[i] = get_bits1(gb);
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skip_bits1(gb);// general_progressive_source_flag
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skip_bits1(gb);// general_interlaced_source_flag
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skip_bits1(gb);// general_non_packed_constraint_flag
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skip_bits1(gb);// general_frame_only_constraint_flag
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if (get_bits(gb, 16) != 0) // XXX_reserved_zero_44bits[0..15]
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return -1;
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if (get_bits(gb, 16) != 0) // XXX_reserved_zero_44bits[16..31]
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return -1;
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if (get_bits(gb, 12) != 0) // XXX_reserved_zero_44bits[32..43]
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return -1;
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ptl->general_level_idc = get_bits(gb, 8);
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for (i = 0; i < max_num_sub_layers - 1; i++) {
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ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
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ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
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}
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if (max_num_sub_layers - 1 > 0)
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for (i = max_num_sub_layers - 1; i < 8; i++)
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skip_bits(gb, 2); // reserved_zero_2bits[i]
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for (i = 0; i < max_num_sub_layers - 1; i++) {
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if (ptl->sub_layer_profile_present_flag[i]) {
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ptl->sub_layer_profile_space[i] = get_bits(gb, 2);
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ptl->sub_layer_tier_flag[i] = get_bits(gb, 1);
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ptl->sub_layer_profile_idc[i] = get_bits(gb, 5);
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for (j = 0; j < 32; j++)
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ptl->sub_layer_profile_compatibility_flags[i][j] = get_bits1(gb);
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skip_bits1(gb);// sub_layer_progressive_source_flag
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skip_bits1(gb);// sub_layer_interlaced_source_flag
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skip_bits1(gb);// sub_layer_non_packed_constraint_flag
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skip_bits1(gb);// sub_layer_frame_only_constraint_flag
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if (get_bits(gb, 16) != 0) // sub_layer_reserved_zero_44bits[0..15]
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return -1;
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if (get_bits(gb, 16) != 0) // sub_layer_reserved_zero_44bits[16..31]
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return -1;
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if (get_bits(gb, 12) != 0) // sub_layer_reserved_zero_44bits[32..43]
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return -1;
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}
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if (ptl->sub_layer_level_present_flag[i])
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ptl->sub_layer_level_idc[i] = get_bits(gb, 8);
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}
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return 0;
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}
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static void decode_sublayer_hrd(HEVCContext *s, int nb_cpb, int subpic_params_present)
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{
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GetBitContext *gb = &s->HEVClc->gb;
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int i;
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for (i = 0; i < nb_cpb; i++) {
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get_ue_golomb_long(gb); // bit_rate_value_minus1
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get_ue_golomb_long(gb); // cpb_size_value_minus1
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if (subpic_params_present) {
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get_ue_golomb_long(gb); // cpb_size_du_value_minus1
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get_ue_golomb_long(gb); // bit_rate_du_value_minus1
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}
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skip_bits1(gb); // cbr_flag
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}
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}
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static void decode_hrd(HEVCContext *s, int common_inf_present, int max_sublayers)
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{
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GetBitContext *gb = &s->HEVClc->gb;
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int nal_params_present = 0, vcl_params_present = 0;
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int subpic_params_present = 0;
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int i;
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if (common_inf_present) {
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nal_params_present = get_bits1(gb);
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vcl_params_present = get_bits1(gb);
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if (nal_params_present || vcl_params_present) {
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subpic_params_present = get_bits1(gb);
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if (subpic_params_present) {
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skip_bits(gb, 8); // tick_divisor_minus2
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skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1
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skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
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skip_bits(gb, 5); // dpb_output_delay_du_length_minus1
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}
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skip_bits(gb, 4); // bit_rate_scale
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skip_bits(gb, 4); // cpb_size_scale
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if (subpic_params_present)
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skip_bits(gb, 4); // cpb_size_du_scale
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skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1
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skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1
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skip_bits(gb, 5); // dpb_output_delay_length_minus1
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}
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}
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for (i = 0; i < max_sublayers; i++) {
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int low_delay = 0;
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int nb_cpb = 1;
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int fixed_rate = get_bits1(gb);
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if (!fixed_rate)
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fixed_rate = get_bits1(gb);
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if (fixed_rate)
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get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1
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else
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low_delay = get_bits1(gb);
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if (!low_delay)
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nb_cpb = get_ue_golomb_long(gb) + 1;
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if (nal_params_present)
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decode_sublayer_hrd(s, nb_cpb, subpic_params_present);
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if (vcl_params_present)
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decode_sublayer_hrd(s, nb_cpb, subpic_params_present);
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}
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}
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int ff_hevc_decode_nal_vps(HEVCContext *s)
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{
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int i,j;
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GetBitContext *gb = &s->HEVClc->gb;
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int vps_id = 0;
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VPS *vps;
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av_log(s->avctx, AV_LOG_DEBUG, "Decoding VPS\n");
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vps = av_mallocz(sizeof(*vps));
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if (!vps)
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return AVERROR(ENOMEM);
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vps_id = get_bits(gb, 4);
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if (vps_id >= MAX_VPS_COUNT) {
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av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_id);
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goto err;
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}
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if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
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av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
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goto err;
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}
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vps->vps_max_layers = get_bits(gb, 6) + 1;
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vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
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vps->vps_temporal_id_nesting_flag = get_bits1(gb);
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if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
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av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
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goto err;
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}
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if (vps->vps_max_sub_layers > MAX_SUB_LAYERS) {
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av_log(s->avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
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vps->vps_max_sub_layers);
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goto err;
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}
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if (decode_profile_tier_level(s->HEVClc, &vps->ptl, vps->vps_max_sub_layers) < 0) {
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av_log(s->avctx, AV_LOG_ERROR, "Error decoding profile tier level.\n");
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goto err;
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}
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vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
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i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
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for (; i < vps->vps_max_sub_layers; i++) {
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vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1;
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vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb);
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vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1;
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if (vps->vps_max_dec_pic_buffering[i] > MAX_DPB_SIZE) {
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av_log(s->avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
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vps->vps_max_dec_pic_buffering[i] - 1);
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goto err;
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}
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if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
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av_log(s->avctx, AV_LOG_ERROR, "vps_max_num_reorder_pics out of range: %d\n",
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vps->vps_num_reorder_pics[i]);
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goto err;
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}
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}
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vps->vps_max_layer_id = get_bits(gb, 6);
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vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
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for (i = 1; i < vps->vps_num_layer_sets; i++)
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for (j = 0; j <= vps->vps_max_layer_id; j++)
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skip_bits(gb, 1); // layer_id_included_flag[i][j]
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vps->vps_timing_info_present_flag = get_bits1(gb);
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if (vps->vps_timing_info_present_flag) {
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vps->vps_num_units_in_tick = get_bits_long(gb, 32);
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vps->vps_time_scale = get_bits_long(gb, 32);
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vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
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if (vps->vps_poc_proportional_to_timing_flag)
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vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1;
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vps->vps_num_hrd_parameters = get_ue_golomb_long(gb);
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for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
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int common_inf_present = 1;
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get_ue_golomb_long(gb); // hrd_layer_set_idx
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if (i)
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common_inf_present = get_bits1(gb);
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decode_hrd(s, common_inf_present, vps->vps_max_sub_layers);
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}
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}
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get_bits1(gb); /* vps_extension_flag */
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av_free(s->vps_list[vps_id]);
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s->vps_list[vps_id] = vps;
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return 0;
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err:
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av_free(vps);
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return AVERROR_INVALIDDATA;
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}
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static void decode_vui(HEVCContext *s, HEVCSPS *sps)
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{
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VUI *vui = &sps->vui;
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GetBitContext *gb = &s->HEVClc->gb;
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int sar_present;
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|
av_log(s->avctx, AV_LOG_DEBUG, "Decoding VUI\n");
|
|
|
|
sar_present = get_bits1(gb);
|
|
if (sar_present) {
|
|
uint8_t sar_idx = get_bits(gb, 8);
|
|
if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
|
|
vui->sar = vui_sar[sar_idx];
|
|
else if (sar_idx == 255) {
|
|
vui->sar.num = get_bits(gb, 16);
|
|
vui->sar.den = get_bits(gb, 16);
|
|
} else
|
|
av_log(s->avctx, AV_LOG_WARNING, "Unknown SAR index: %u.\n",
|
|
sar_idx);
|
|
}
|
|
|
|
vui->overscan_info_present_flag = get_bits1(gb);
|
|
if (vui->overscan_info_present_flag)
|
|
vui->overscan_appropriate_flag = get_bits1(gb);
|
|
|
|
vui->video_signal_type_present_flag = get_bits1(gb);
|
|
if (vui->video_signal_type_present_flag) {
|
|
vui->video_format = get_bits(gb, 3);
|
|
vui->video_full_range_flag = get_bits1(gb);
|
|
vui->colour_description_present_flag = get_bits1(gb);
|
|
if (vui->colour_description_present_flag) {
|
|
vui->colour_primaries = get_bits(gb, 8);
|
|
vui->transfer_characteristic = get_bits(gb, 8);
|
|
vui->matrix_coeffs = get_bits(gb, 8);
|
|
}
|
|
}
|
|
|
|
vui->chroma_loc_info_present_flag = get_bits1(gb);
|
|
if (vui->chroma_loc_info_present_flag) {
|
|
vui->chroma_sample_loc_type_top_field = get_ue_golomb_long(gb);
|
|
vui->chroma_sample_loc_type_bottom_field = get_ue_golomb_long(gb);
|
|
}
|
|
|
|
vui->neutra_chroma_indication_flag = get_bits1(gb);
|
|
vui->field_seq_flag = get_bits1(gb);
|
|
vui->frame_field_info_present_flag = get_bits1(gb);
|
|
|
|
vui->default_display_window_flag = get_bits1(gb);
|
|
if (vui->default_display_window_flag) {
|
|
//TODO: * 2 is only valid for 420
|
|
vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * 2;
|
|
vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * 2;
|
|
vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * 2;
|
|
vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * 2;
|
|
|
|
if (s->strict_def_disp_win &&
|
|
s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
|
|
av_log(s->avctx, AV_LOG_DEBUG,
|
|
"discarding vui default display window, "
|
|
"original values are l:%u r:%u t:%u b:%u\n",
|
|
vui->def_disp_win.left_offset,
|
|
vui->def_disp_win.right_offset,
|
|
vui->def_disp_win.top_offset,
|
|
vui->def_disp_win.bottom_offset);
|
|
|
|
vui->def_disp_win.left_offset =
|
|
vui->def_disp_win.right_offset =
|
|
vui->def_disp_win.top_offset =
|
|
vui->def_disp_win.bottom_offset = 0;
|
|
}
|
|
}
|
|
|
|
vui->vui_timing_info_present_flag = get_bits1(gb);
|
|
if (vui->vui_timing_info_present_flag) {
|
|
vui->vui_num_units_in_tick = get_bits(gb, 32);
|
|
vui->vui_time_scale = get_bits(gb, 32);
|
|
vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
|
|
if (vui->vui_poc_proportional_to_timing_flag)
|
|
vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);
|
|
vui->vui_hrd_parameters_present_flag = get_bits1(gb);
|
|
if (vui->vui_hrd_parameters_present_flag)
|
|
decode_hrd(s, 1, sps->max_sub_layers);
|
|
}
|
|
|
|
vui->bitstream_restriction_flag = get_bits1(gb);
|
|
if (vui->bitstream_restriction_flag) {
|
|
vui->tiles_fixed_structure_flag = get_bits1(gb);
|
|
vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
|
|
vui->restricted_ref_pic_lists_flag = get_bits1(gb);
|
|
vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb);
|
|
vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb);
|
|
vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb);
|
|
vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb);
|
|
vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb);
|
|
}
|
|
}
|
|
|
|
static void set_default_scaling_list_data(ScalingList *sl)
|
|
{
|
|
int matrixId;
|
|
|
|
for (matrixId = 0; matrixId < 6; matrixId++) {
|
|
// 4x4 default is 16
|
|
memset(sl->sl[0][matrixId], 16, 16);
|
|
sl->sl_dc[0][matrixId] = 16; // default for 16x16
|
|
sl->sl_dc[1][matrixId] = 16; // default for 32x32
|
|
}
|
|
memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
|
|
memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
|
|
memcpy(sl->sl[3][1], default_scaling_list_inter, 64);
|
|
}
|
|
|
|
static int scaling_list_data(HEVCContext *s, ScalingList *sl)
|
|
{
|
|
GetBitContext *gb = &s->HEVClc->gb;
|
|
uint8_t scaling_list_pred_mode_flag[4][6];
|
|
int32_t scaling_list_dc_coef[2][6];
|
|
|
|
int size_id, matrix_id, i, pos, delta;
|
|
for (size_id = 0; size_id < 4; size_id++)
|
|
for (matrix_id = 0; matrix_id < ((size_id == 3) ? 2 : 6); matrix_id++) {
|
|
scaling_list_pred_mode_flag[size_id][matrix_id] = get_bits1(gb);
|
|
if (!scaling_list_pred_mode_flag[size_id][matrix_id]) {
|
|
delta = get_ue_golomb_long(gb);
|
|
// Only need to handle non-zero delta. Zero means default, which should already be in the arrays.
|
|
if (delta) {
|
|
// Copy from previous array.
|
|
if (matrix_id - delta < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"Invalid delta in scaling list data: %d.\n", delta);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
memcpy(sl->sl[size_id][matrix_id],
|
|
sl->sl[size_id][matrix_id - delta],
|
|
size_id > 0 ? 64 : 16);
|
|
if (size_id > 1)
|
|
sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
|
|
}
|
|
} else {
|
|
int next_coef;
|
|
int coef_num;
|
|
int32_t scaling_list_delta_coef;
|
|
|
|
next_coef = 8;
|
|
coef_num = FFMIN(64, (1 << (4 + (size_id << 1))));
|
|
if (size_id > 1) {
|
|
scaling_list_dc_coef[size_id - 2][matrix_id] = get_se_golomb(gb) + 8;
|
|
next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
|
|
sl->sl_dc[size_id - 2][matrix_id] = next_coef;
|
|
}
|
|
for (i = 0; i < coef_num; i++) {
|
|
if (size_id == 0)
|
|
pos = 4 * ff_hevc_diag_scan4x4_y[i] + ff_hevc_diag_scan4x4_x[i];
|
|
else
|
|
pos = 8 * ff_hevc_diag_scan8x8_y[i] + ff_hevc_diag_scan8x8_x[i];
|
|
|
|
scaling_list_delta_coef = get_se_golomb(gb);
|
|
next_coef = (next_coef + scaling_list_delta_coef + 256 ) % 256;
|
|
sl->sl[size_id][matrix_id][pos] = next_coef;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_hevc_decode_nal_sps(HEVCContext *s)
|
|
{
|
|
const AVPixFmtDescriptor *desc;
|
|
GetBitContext *gb = &s->HEVClc->gb;
|
|
int ret = 0;
|
|
int sps_id = 0;
|
|
int log2_diff_max_min_transform_block_size;
|
|
int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
|
|
int i;
|
|
|
|
HEVCSPS *sps;
|
|
AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
|
|
|
|
if (!sps_buf)
|
|
return AVERROR(ENOMEM);
|
|
sps = (HEVCSPS*)sps_buf->data;
|
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "Decoding SPS\n");
|
|
|
|
// Coded parameters
|
|
|
|
sps->vps_id = get_bits(gb, 4);
|
|
if (sps->vps_id >= MAX_VPS_COUNT) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", sps->vps_id);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
sps->max_sub_layers = get_bits(gb, 3) + 1;
|
|
if (sps->max_sub_layers > MAX_SUB_LAYERS) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",
|
|
sps->max_sub_layers);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
skip_bits1(gb); // temporal_id_nesting_flag
|
|
if (decode_profile_tier_level(s->HEVClc, &sps->ptl, sps->max_sub_layers) < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "error decoding profile tier level\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
sps_id = get_ue_golomb_long(gb);
|
|
if (sps_id >= MAX_SPS_COUNT) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", sps_id);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
sps->chroma_format_idc = get_ue_golomb_long(gb);
|
|
if (sps->chroma_format_idc != 1) {
|
|
avpriv_report_missing_feature(s->avctx, "chroma_format_idc != 1\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
if (sps->chroma_format_idc == 3)
|
|
sps->separate_colour_plane_flag = get_bits1(gb);
|
|
|
|
sps->width = get_ue_golomb_long(gb);
|
|
sps->height = get_ue_golomb_long(gb);
|
|
if ((ret = av_image_check_size(sps->width,
|
|
sps->height, 0, s->avctx)) < 0)
|
|
goto err;
|
|
|
|
if (get_bits1(gb)) { // pic_conformance_flag
|
|
//TODO: * 2 is only valid for 420
|
|
sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) * 2;
|
|
sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) * 2;
|
|
sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) * 2;
|
|
sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) * 2;
|
|
|
|
if (s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
|
|
av_log(s->avctx, AV_LOG_DEBUG,
|
|
"discarding sps conformance window, "
|
|
"original values are l:%u r:%u t:%u b:%u\n",
|
|
sps->pic_conf_win.left_offset,
|
|
sps->pic_conf_win.right_offset,
|
|
sps->pic_conf_win.top_offset,
|
|
sps->pic_conf_win.bottom_offset);
|
|
|
|
sps->pic_conf_win.left_offset =
|
|
sps->pic_conf_win.right_offset =
|
|
sps->pic_conf_win.top_offset =
|
|
sps->pic_conf_win.bottom_offset = 0;
|
|
}
|
|
sps->output_window = sps->pic_conf_win;
|
|
}
|
|
|
|
sps->bit_depth = get_ue_golomb_long(gb) + 8;
|
|
bit_depth_chroma = get_ue_golomb_long(gb) + 8;
|
|
if (bit_depth_chroma != sps->bit_depth) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"Luma bit depth (%d) is different from chroma bit depth (%d), this is unsupported.\n",
|
|
sps->bit_depth, bit_depth_chroma);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
if (sps->chroma_format_idc == 1) {
|
|
switch (sps->bit_depth) {
|
|
case 8: sps->pix_fmt = AV_PIX_FMT_YUV420P; break;
|
|
case 9: sps->pix_fmt = AV_PIX_FMT_YUV420P9; break;
|
|
case 10: sps->pix_fmt = AV_PIX_FMT_YUV420P10; break;
|
|
default:
|
|
av_log(s->avctx, AV_LOG_ERROR, "Unsupported bit depth: %d\n",
|
|
sps->bit_depth);
|
|
ret = AVERROR_PATCHWELCOME;
|
|
goto err;
|
|
}
|
|
} else {
|
|
av_log(s->avctx, AV_LOG_ERROR, "non-4:2:0 support is currently unspecified.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
}
|
|
|
|
desc = av_pix_fmt_desc_get(sps->pix_fmt);
|
|
if (!desc) {
|
|
ret = AVERROR(EINVAL);
|
|
goto err;
|
|
}
|
|
|
|
sps->hshift[0] = sps->vshift[0] = 0;
|
|
sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
|
|
sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
|
|
|
|
sps->pixel_shift = sps->bit_depth > 8;
|
|
|
|
sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
|
|
if (sps->log2_max_poc_lsb > 16) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
|
|
sps->log2_max_poc_lsb - 4);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
sublayer_ordering_info = get_bits1(gb);
|
|
start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
|
|
for (i = start; i < sps->max_sub_layers; i++) {
|
|
sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1;
|
|
sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb);
|
|
sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1;
|
|
if (sps->temporal_layer[i].max_dec_pic_buffering > MAX_DPB_SIZE) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
|
|
sps->temporal_layer[i].max_dec_pic_buffering - 1);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "sps_max_num_reorder_pics out of range: %d\n",
|
|
sps->temporal_layer[i].num_reorder_pics);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (!sublayer_ordering_info) {
|
|
for (i = 0; i < start; i++){
|
|
sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
|
|
sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
|
|
sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
|
|
}
|
|
}
|
|
|
|
sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
|
|
sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb);
|
|
sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
|
|
log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
|
|
sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size + sps->log2_min_tb_size;
|
|
|
|
if (sps->log2_min_tb_size >= sps->log2_min_cb_size) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
|
|
sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
|
|
|
|
sps->scaling_list_enable_flag = get_bits1(gb);
|
|
if (sps->scaling_list_enable_flag) {
|
|
set_default_scaling_list_data(&sps->scaling_list);
|
|
|
|
if (get_bits1(gb)) {
|
|
ret = scaling_list_data(s, &sps->scaling_list);
|
|
if (ret < 0)
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
sps->amp_enabled_flag = get_bits1(gb);
|
|
sps->sao_enabled = get_bits1(gb);
|
|
|
|
sps->pcm_enabled_flag = get_bits1(gb);
|
|
if (sps->pcm_enabled_flag) {
|
|
sps->pcm.bit_depth = get_bits(gb, 4) + 1;
|
|
sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
|
|
sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
|
|
sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
|
|
get_ue_golomb_long(gb);
|
|
if (sps->pcm.bit_depth > sps->bit_depth) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"PCM bit depth (%d) is greater than normal bit depth (%d)\n",
|
|
sps->pcm.bit_depth, sps->bit_depth);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
sps->pcm.loop_filter_disable_flag = get_bits1(gb);
|
|
}
|
|
|
|
sps->nb_st_rps = get_ue_golomb_long(gb);
|
|
if (sps->nb_st_rps > MAX_SHORT_TERM_RPS_COUNT) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
|
|
sps->nb_st_rps);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
for (i = 0; i < sps->nb_st_rps; i++) {
|
|
if ((ret = ff_hevc_decode_short_term_rps(s, &sps->st_rps[i],
|
|
sps, 0)) < 0)
|
|
goto err;
|
|
}
|
|
|
|
sps->long_term_ref_pics_present_flag = get_bits1(gb);
|
|
if (sps->long_term_ref_pics_present_flag) {
|
|
sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb);
|
|
for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
|
|
sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
|
|
sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb);
|
|
}
|
|
}
|
|
|
|
sps->sps_temporal_mvp_enabled_flag = get_bits1(gb);
|
|
sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
|
|
sps->vui.sar = (AVRational){0, 1};
|
|
vui_present = get_bits1(gb);
|
|
if (vui_present)
|
|
decode_vui(s, sps);
|
|
skip_bits1(gb); // sps_extension_flag
|
|
|
|
if (s->strict_def_disp_win) {
|
|
sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
|
|
sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
|
|
sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
|
|
sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
|
|
}
|
|
if (sps->output_window.left_offset & (0x1F >> (sps->pixel_shift)) &&
|
|
!(s->avctx->flags & CODEC_FLAG_UNALIGNED)) {
|
|
sps->output_window.left_offset &= ~(0x1F >> (sps->pixel_shift));
|
|
av_log(s->avctx, AV_LOG_WARNING, "Reducing left output window to %d "
|
|
"chroma samples to preserve alignment.\n",
|
|
sps->output_window.left_offset);
|
|
}
|
|
sps->output_width = sps->width -
|
|
(sps->output_window.left_offset + sps->output_window.right_offset);
|
|
sps->output_height = sps->height -
|
|
(sps->output_window.top_offset + sps->output_window.bottom_offset);
|
|
if (sps->output_width <= 0 || sps->output_height <= 0) {
|
|
av_log(s->avctx, AV_LOG_WARNING, "Invalid visible frame dimensions: %dx%d.\n",
|
|
sps->output_width, sps->output_height);
|
|
if (s->avctx->err_recognition & AV_EF_EXPLODE) {
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
av_log(s->avctx, AV_LOG_WARNING, "Displaying the whole video surface.\n");
|
|
sps->pic_conf_win.left_offset =
|
|
sps->pic_conf_win.right_offset =
|
|
sps->pic_conf_win.top_offset =
|
|
sps->pic_conf_win.bottom_offset = 0;
|
|
sps->output_width = sps->width;
|
|
sps->output_height = sps->height;
|
|
}
|
|
|
|
// Inferred parameters
|
|
sps->log2_ctb_size = sps->log2_min_cb_size
|
|
+ sps->log2_diff_max_min_coding_block_size;
|
|
sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
|
|
|
|
sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
|
|
sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
|
|
sps->ctb_size = sps->ctb_width * sps->ctb_height;
|
|
|
|
sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
|
|
sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
|
|
sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
|
|
sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
|
|
sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
|
|
sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
|
|
|
|
sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
|
|
|
|
if (sps->width & ((1 << sps->log2_min_cb_size) - 1) ||
|
|
sps->height & ((1 << sps->log2_min_cb_size) - 1)) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
|
|
goto err;
|
|
}
|
|
|
|
if (sps->log2_ctb_size > MAX_LOG2_CTB_SIZE) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
|
|
goto err;
|
|
}
|
|
if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_tb_size) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
|
|
sps->max_transform_hierarchy_depth_inter);
|
|
goto err;
|
|
}
|
|
if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_tb_size) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
|
|
sps->max_transform_hierarchy_depth_intra);
|
|
goto err;
|
|
}
|
|
if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "max transform block size out of range: %d\n",
|
|
sps->log2_max_trafo_size);
|
|
goto err;
|
|
}
|
|
|
|
if (s->avctx->debug & FF_DEBUG_BITSTREAM) {
|
|
av_log(s->avctx, AV_LOG_DEBUG, "Parsed SPS: id %d; coded wxh: %dx%d; "
|
|
"cropped wxh: %dx%d; pix_fmt: %s.\n",
|
|
sps_id, sps->width, sps->height,
|
|
sps->output_width, sps->output_height,
|
|
av_get_pix_fmt_name(sps->pix_fmt));
|
|
}
|
|
|
|
/* check if this is a repeat of an already parsed SPS, then keep the
|
|
* original one.
|
|
* otherwise drop all PPSes that depend on it */
|
|
if (s->sps_list[sps_id] &&
|
|
!memcmp(s->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
|
|
av_buffer_unref(&sps_buf);
|
|
} else {
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) {
|
|
if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == sps_id)
|
|
av_buffer_unref(&s->pps_list[i]);
|
|
}
|
|
av_buffer_unref(&s->sps_list[sps_id]);
|
|
s->sps_list[sps_id] = sps_buf;
|
|
}
|
|
|
|
return 0;
|
|
err:
|
|
|
|
av_buffer_unref(&sps_buf);
|
|
return ret;
|
|
}
|
|
|
|
static void hevc_pps_free(void *opaque, uint8_t *data)
|
|
{
|
|
HEVCPPS *pps = (HEVCPPS*)data;
|
|
|
|
av_freep(&pps->column_width);
|
|
av_freep(&pps->row_height);
|
|
av_freep(&pps->col_bd);
|
|
av_freep(&pps->row_bd);
|
|
av_freep(&pps->col_idxX);
|
|
av_freep(&pps->ctb_addr_rs_to_ts);
|
|
av_freep(&pps->ctb_addr_ts_to_rs);
|
|
av_freep(&pps->tile_pos_rs);
|
|
av_freep(&pps->tile_id);
|
|
av_freep(&pps->min_cb_addr_zs);
|
|
av_freep(&pps->min_tb_addr_zs);
|
|
|
|
av_freep(&pps);
|
|
}
|
|
|
|
int ff_hevc_decode_nal_pps(HEVCContext *s)
|
|
{
|
|
GetBitContext *gb = &s->HEVClc->gb;
|
|
HEVCSPS *sps = NULL;
|
|
int pic_area_in_ctbs, pic_area_in_min_cbs, pic_area_in_min_tbs;
|
|
int log2_diff_ctb_min_tb_size;
|
|
int i, j, x, y, ctb_addr_rs, tile_id;
|
|
int ret = 0;
|
|
int pps_id = 0;
|
|
|
|
AVBufferRef *pps_buf;
|
|
HEVCPPS *pps = av_mallocz(sizeof(*pps));
|
|
|
|
if (!pps)
|
|
return AVERROR(ENOMEM);
|
|
|
|
pps_buf = av_buffer_create((uint8_t*)pps, sizeof(*pps), hevc_pps_free, NULL, 0);
|
|
if (!pps_buf) {
|
|
av_freep(&pps);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "Decoding PPS\n");
|
|
|
|
// Default values
|
|
pps->loop_filter_across_tiles_enabled_flag = 1;
|
|
pps->num_tile_columns = 1;
|
|
pps->num_tile_rows = 1;
|
|
pps->uniform_spacing_flag = 1;
|
|
pps->disable_dbf = 0;
|
|
pps->beta_offset = 0;
|
|
pps->tc_offset = 0;
|
|
|
|
// Coded parameters
|
|
pps_id = get_ue_golomb_long(gb);
|
|
if (pps_id >= MAX_PPS_COUNT) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
pps->sps_id = get_ue_golomb_long(gb);
|
|
if (pps->sps_id >= MAX_SPS_COUNT) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
if (!s->sps_list[pps->sps_id]) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "SPS does not exist \n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
sps = (HEVCSPS*)s->sps_list[pps->sps_id]->data;
|
|
|
|
pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
|
|
pps->output_flag_present_flag = get_bits1(gb);
|
|
pps->num_extra_slice_header_bits = get_bits(gb, 3);
|
|
|
|
pps->sign_data_hiding_flag = get_bits1(gb);
|
|
|
|
pps->cabac_init_present_flag = get_bits1(gb);
|
|
|
|
pps->num_ref_idx_l0_default_active = get_ue_golomb_long(gb) + 1;
|
|
pps->num_ref_idx_l1_default_active = get_ue_golomb_long(gb) + 1;
|
|
|
|
pps->pic_init_qp_minus26 = get_se_golomb(gb);
|
|
|
|
pps->constrained_intra_pred_flag = get_bits1(gb);
|
|
pps->transform_skip_enabled_flag = get_bits1(gb);
|
|
|
|
pps->cu_qp_delta_enabled_flag = get_bits1(gb);
|
|
pps->diff_cu_qp_delta_depth = 0;
|
|
if (pps->cu_qp_delta_enabled_flag)
|
|
pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);
|
|
|
|
pps->cb_qp_offset = get_se_golomb(gb);
|
|
if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
|
|
pps->cb_qp_offset);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
pps->cr_qp_offset = get_se_golomb(gb);
|
|
if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
|
|
pps->cr_qp_offset);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
|
|
|
|
pps->weighted_pred_flag = get_bits1(gb);
|
|
pps->weighted_bipred_flag = get_bits1(gb);
|
|
|
|
pps->transquant_bypass_enable_flag = get_bits1(gb);
|
|
pps->tiles_enabled_flag = get_bits1(gb);
|
|
pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
|
|
|
|
if (pps->tiles_enabled_flag) {
|
|
pps->num_tile_columns = get_ue_golomb_long(gb) + 1;
|
|
pps->num_tile_rows = get_ue_golomb_long(gb) + 1;
|
|
if (pps->num_tile_columns == 0 ||
|
|
pps->num_tile_columns >= sps->width) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
|
|
pps->num_tile_columns - 1);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
if (pps->num_tile_rows == 0 ||
|
|
pps->num_tile_rows >= sps->height) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
|
|
pps->num_tile_rows - 1);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
|
|
pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
|
|
if (!pps->column_width || !pps->row_height) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
|
|
pps->uniform_spacing_flag = get_bits1(gb);
|
|
if (!pps->uniform_spacing_flag) {
|
|
int sum = 0;
|
|
for (i = 0; i < pps->num_tile_columns - 1; i++) {
|
|
pps->column_width[i] = get_ue_golomb_long(gb) + 1;
|
|
sum += pps->column_width[i];
|
|
}
|
|
if (sum >= sps->ctb_width) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
|
|
|
|
sum = 0;
|
|
for (i = 0; i < pps->num_tile_rows - 1; i++) {
|
|
pps->row_height[i] = get_ue_golomb_long(gb) + 1;
|
|
sum += pps->row_height[i];
|
|
}
|
|
if (sum >= sps->ctb_height) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Invalid tile heights.\n");
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
|
|
}
|
|
pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb);
|
|
}
|
|
|
|
pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb);
|
|
|
|
pps->deblocking_filter_control_present_flag = get_bits1(gb);
|
|
if (pps->deblocking_filter_control_present_flag) {
|
|
pps->deblocking_filter_override_enabled_flag = get_bits1(gb);
|
|
pps->disable_dbf = get_bits1(gb);
|
|
if (!pps->disable_dbf) {
|
|
pps->beta_offset = get_se_golomb(gb) * 2;
|
|
pps->tc_offset = get_se_golomb(gb) * 2;
|
|
if (pps->beta_offset/2 < -6 || pps->beta_offset/2 > 6) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n",
|
|
pps->beta_offset/2);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
if (pps->tc_offset/2 < -6 || pps->tc_offset/2 > 6) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n",
|
|
pps->tc_offset/2);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
|
|
pps->pps_scaling_list_data_present_flag = get_bits1(gb);
|
|
if (pps->pps_scaling_list_data_present_flag) {
|
|
set_default_scaling_list_data(&pps->scaling_list);
|
|
ret = scaling_list_data(s, &pps->scaling_list);
|
|
if (ret < 0)
|
|
goto err;
|
|
}
|
|
pps->lists_modification_present_flag = get_bits1(gb);
|
|
pps->log2_parallel_merge_level = get_ue_golomb_long(gb) + 2;
|
|
if (pps->log2_parallel_merge_level > sps->log2_ctb_size) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n",
|
|
pps->log2_parallel_merge_level - 2);
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto err;
|
|
}
|
|
|
|
pps->slice_header_extension_present_flag = get_bits1(gb);
|
|
pps->pps_extension_flag = get_bits1(gb);
|
|
|
|
// Inferred parameters
|
|
pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
|
|
pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
|
|
pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
|
|
if (!pps->col_bd || !pps->row_bd || !pps->col_idxX) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
|
|
if (pps->uniform_spacing_flag) {
|
|
if (!pps->column_width) {
|
|
pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
|
|
pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
|
|
}
|
|
if (!pps->column_width || !pps->row_height) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < pps->num_tile_columns; i++) {
|
|
pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
|
|
(i * sps->ctb_width) / pps->num_tile_columns;
|
|
}
|
|
|
|
for (i = 0; i < pps->num_tile_rows; i++) {
|
|
pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
|
|
(i * sps->ctb_height) / pps->num_tile_rows;
|
|
}
|
|
}
|
|
|
|
pps->col_bd[0] = 0;
|
|
for (i = 0; i < pps->num_tile_columns; i++)
|
|
pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
|
|
|
|
pps->row_bd[0] = 0;
|
|
for (i = 0; i < pps->num_tile_rows; i++)
|
|
pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
|
|
|
|
for (i = 0, j = 0; i < sps->ctb_width; i++) {
|
|
if (i > pps->col_bd[j])
|
|
j++;
|
|
pps->col_idxX[i] = j;
|
|
}
|
|
|
|
/**
|
|
* 6.5
|
|
*/
|
|
pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
|
|
pic_area_in_min_cbs = sps->min_cb_width * sps->min_cb_height;
|
|
pic_area_in_min_tbs = sps->min_tb_width * sps->min_tb_height;
|
|
|
|
pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
|
|
pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
|
|
pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
|
|
pps->min_cb_addr_zs = av_malloc_array(pic_area_in_min_cbs, sizeof(*pps->min_cb_addr_zs));
|
|
pps->min_tb_addr_zs = av_malloc_array(pic_area_in_min_tbs, sizeof(*pps->min_tb_addr_zs));
|
|
if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
|
|
!pps->tile_id || !pps->min_cb_addr_zs || !pps->min_tb_addr_zs) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
|
|
for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
|
|
int tb_x = ctb_addr_rs % sps->ctb_width;
|
|
int tb_y = ctb_addr_rs / sps->ctb_width;
|
|
int tile_x = 0;
|
|
int tile_y = 0;
|
|
int val = 0;
|
|
|
|
for (i = 0; i < pps->num_tile_columns; i++) {
|
|
if (tb_x < pps->col_bd[i + 1]) {
|
|
tile_x = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < pps->num_tile_rows; i++) {
|
|
if (tb_y < pps->row_bd[i + 1]) {
|
|
tile_y = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < tile_x; i++ )
|
|
val += pps->row_height[tile_y] * pps->column_width[i];
|
|
for (i = 0; i < tile_y; i++ )
|
|
val += sps->ctb_width * pps->row_height[i];
|
|
|
|
val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
|
|
tb_x - pps->col_bd[tile_x];
|
|
|
|
pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
|
|
pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
|
|
}
|
|
|
|
for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
|
|
for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
|
|
for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
|
|
for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
|
|
pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
|
|
|
|
pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
|
|
if (!pps->tile_pos_rs) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
|
|
for (j = 0; j < pps->num_tile_rows; j++)
|
|
for (i = 0; i < pps->num_tile_columns; i++)
|
|
pps->tile_pos_rs[j * pps->num_tile_columns + i] = pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
|
|
|
|
for (y = 0; y < sps->min_cb_height; y++) {
|
|
for (x = 0; x < sps->min_cb_width; x++) {
|
|
int tb_x = x >> sps->log2_diff_max_min_coding_block_size;
|
|
int tb_y = y >> sps->log2_diff_max_min_coding_block_size;
|
|
int ctb_addr_rs = sps->ctb_width * tb_y + tb_x;
|
|
int val = pps->ctb_addr_rs_to_ts[ctb_addr_rs] <<
|
|
(sps->log2_diff_max_min_coding_block_size * 2);
|
|
for (i = 0; i < sps->log2_diff_max_min_coding_block_size; i++) {
|
|
int m = 1 << i;
|
|
val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
|
|
}
|
|
pps->min_cb_addr_zs[y * sps->min_cb_width + x] = val;
|
|
}
|
|
}
|
|
|
|
log2_diff_ctb_min_tb_size = sps->log2_ctb_size - sps->log2_min_tb_size;
|
|
for (y = 0; y < sps->min_tb_height; y++) {
|
|
for (x = 0; x < sps->min_tb_width; x++) {
|
|
int tb_x = x >> log2_diff_ctb_min_tb_size;
|
|
int tb_y = y >> log2_diff_ctb_min_tb_size;
|
|
int ctb_addr_rs = sps->ctb_width * tb_y + tb_x;
|
|
int val = pps->ctb_addr_rs_to_ts[ctb_addr_rs] <<
|
|
(log2_diff_ctb_min_tb_size * 2);
|
|
for (i = 0; i < log2_diff_ctb_min_tb_size; i++) {
|
|
int m = 1 << i;
|
|
val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
|
|
}
|
|
pps->min_tb_addr_zs[y * sps->min_tb_width + x] = val;
|
|
}
|
|
}
|
|
|
|
av_buffer_unref(&s->pps_list[pps_id]);
|
|
s->pps_list[pps_id] = pps_buf;
|
|
|
|
return 0;
|
|
|
|
err:
|
|
av_buffer_unref(&pps_buf);
|
|
return ret;
|
|
}
|