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0
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1 /*
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2 * HEVC Parameter Set decoding
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3 *
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4 * Copyright (C) 2012 - 2103 Guillaume Martres
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5 * Copyright (C) 2012 - 2103 Mickael Raulet
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6 * Copyright (C) 2012 - 2013 Gildas Cocherel
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7 * Copyright (C) 2013 Vittorio Giovara
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8 *
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9 * This file is part of FFmpeg.
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10 *
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11 * FFmpeg is free software; you can redistribute it and/or
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12 * modify it under the terms of the GNU Lesser General Public
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13 * License as published by the Free Software Foundation; either
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14 * version 2.1 of the License, or (at your option) any later version.
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15 *
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16 * FFmpeg is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 * Lesser General Public License for more details.
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20 *
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21 * You should have received a copy of the GNU Lesser General Public
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22 * License along with FFmpeg; if not, write to the Free Software
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23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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24 */
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25
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26 #include "libavutil/imgutils.h"
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27 #include "golomb.h"
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28 #include "hevc.h"
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29
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30 static const uint8_t default_scaling_list_intra[] = {
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31 16, 16, 16, 16, 17, 18, 21, 24,
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32 16, 16, 16, 16, 17, 19, 22, 25,
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33 16, 16, 17, 18, 20, 22, 25, 29,
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34 16, 16, 18, 21, 24, 27, 31, 36,
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35 17, 17, 20, 24, 30, 35, 41, 47,
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36 18, 19, 22, 27, 35, 44, 54, 65,
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37 21, 22, 25, 31, 41, 54, 70, 88,
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38 24, 25, 29, 36, 47, 65, 88, 115
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39 };
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40
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41 static const uint8_t default_scaling_list_inter[] = {
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42 16, 16, 16, 16, 17, 18, 20, 24,
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43 16, 16, 16, 17, 18, 20, 24, 25,
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44 16, 16, 17, 18, 20, 24, 25, 28,
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45 16, 17, 18, 20, 24, 25, 28, 33,
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46 17, 18, 20, 24, 25, 28, 33, 41,
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47 18, 20, 24, 25, 28, 33, 41, 54,
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48 20, 24, 25, 28, 33, 41, 54, 71,
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49 24, 25, 28, 33, 41, 54, 71, 91
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50 };
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51
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52 #ifdef USE_PRED
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53 int ff_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
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54 const HEVCSPS *sps, int is_slice_header)
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55 {
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56 HEVCLocalContext *lc = s->HEVClc;
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57 uint8_t rps_predict = 0;
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58 int delta_poc;
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59 int k0 = 0;
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60 int k1 = 0;
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61 int k = 0;
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62 int i;
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63
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64 GetBitContext *gb = &lc->gb;
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65
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66 if (rps != sps->st_rps && sps->nb_st_rps)
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67 rps_predict = get_bits1(gb);
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68
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69 if (rps_predict) {
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70 const ShortTermRPS *rps_ridx;
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71 int delta_rps;
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72 unsigned abs_delta_rps;
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73 uint8_t use_delta_flag = 0;
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74 uint8_t delta_rps_sign;
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75
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76 if (is_slice_header) {
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77 unsigned int delta_idx = get_ue_golomb_long(gb) + 1;
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78 if (delta_idx > sps->nb_st_rps) {
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79 av_log(s->avctx, AV_LOG_ERROR,
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80 "Invalid value of delta_idx in slice header RPS: %d > %d.\n",
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81 delta_idx, sps->nb_st_rps);
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82 return AVERROR_INVALIDDATA;
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83 }
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84 rps_ridx = &sps->st_rps[sps->nb_st_rps - delta_idx];
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85 } else
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86 rps_ridx = &sps->st_rps[rps - sps->st_rps - 1];
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87
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88 delta_rps_sign = get_bits1(gb);
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89 abs_delta_rps = get_ue_golomb_long(gb) + 1;
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90 if (abs_delta_rps < 1 || abs_delta_rps > 32768) {
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91 av_log(s->avctx, AV_LOG_ERROR,
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92 "Invalid value of abs_delta_rps: %d\n",
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93 abs_delta_rps);
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94 return AVERROR_INVALIDDATA;
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95 }
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96 delta_rps = (1 - (delta_rps_sign << 1)) * abs_delta_rps;
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97 for (i = 0; i <= rps_ridx->num_delta_pocs; i++) {
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98 int used = rps->used[k] = get_bits1(gb);
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99
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100 if (!used)
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101 use_delta_flag = get_bits1(gb);
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102
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103 if (used || use_delta_flag) {
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104 if (i < rps_ridx->num_delta_pocs)
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105 delta_poc = delta_rps + rps_ridx->delta_poc[i];
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106 else
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107 delta_poc = delta_rps;
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108 rps->delta_poc[k] = delta_poc;
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109 if (delta_poc < 0)
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110 k0++;
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111 else
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112 k1++;
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113 k++;
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114 }
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115 }
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116
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117 rps->num_delta_pocs = k;
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118 rps->num_negative_pics = k0;
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119 // sort in increasing order (smallest first)
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120 if (rps->num_delta_pocs != 0) {
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121 int used, tmp;
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122 for (i = 1; i < rps->num_delta_pocs; i++) {
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123 delta_poc = rps->delta_poc[i];
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124 used = rps->used[i];
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125 for (k = i - 1; k >= 0; k--) {
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126 tmp = rps->delta_poc[k];
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127 if (delta_poc < tmp) {
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128 rps->delta_poc[k + 1] = tmp;
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129 rps->used[k + 1] = rps->used[k];
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130 rps->delta_poc[k] = delta_poc;
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131 rps->used[k] = used;
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132 }
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133 }
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134 }
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135 }
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136 if ((rps->num_negative_pics >> 1) != 0) {
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137 int used;
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138 k = rps->num_negative_pics - 1;
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139 // flip the negative values to largest first
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140 for (i = 0; i < rps->num_negative_pics >> 1; i++) {
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141 delta_poc = rps->delta_poc[i];
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142 used = rps->used[i];
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143 rps->delta_poc[i] = rps->delta_poc[k];
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144 rps->used[i] = rps->used[k];
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145 rps->delta_poc[k] = delta_poc;
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146 rps->used[k] = used;
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147 k--;
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148 }
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149 }
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150 } else {
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151 unsigned int prev, nb_positive_pics;
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152 rps->num_negative_pics = get_ue_golomb_long(gb);
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153 nb_positive_pics = get_ue_golomb_long(gb);
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154
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155 if (rps->num_negative_pics >= MAX_REFS ||
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156 nb_positive_pics >= MAX_REFS) {
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157 av_log(s->avctx, AV_LOG_ERROR, "Too many refs in a short term RPS.\n");
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158 return AVERROR_INVALIDDATA;
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159 }
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160
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161 rps->num_delta_pocs = rps->num_negative_pics + nb_positive_pics;
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162 if (rps->num_delta_pocs) {
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163 prev = 0;
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164 for (i = 0; i < rps->num_negative_pics; i++) {
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165 delta_poc = get_ue_golomb_long(gb) + 1;
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166 prev -= delta_poc;
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167 rps->delta_poc[i] = prev;
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168 rps->used[i] = get_bits1(gb);
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169 }
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170 prev = 0;
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171 for (i = 0; i < nb_positive_pics; i++) {
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172 delta_poc = get_ue_golomb_long(gb) + 1;
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173 prev += delta_poc;
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174 rps->delta_poc[rps->num_negative_pics + i] = prev;
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175 rps->used[rps->num_negative_pics + i] = get_bits1(gb);
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176 }
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177 }
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178 }
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179 return 0;
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180 }
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181 #endif
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182
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183 #ifndef USE_MSPS
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184 static const AVRational vui_sar[] = {
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185 { 0, 1 },
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186 { 1, 1 },
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187 { 12, 11 },
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188 { 10, 11 },
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189 { 16, 11 },
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190 { 40, 33 },
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191 { 24, 11 },
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192 { 20, 11 },
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193 { 32, 11 },
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194 { 80, 33 },
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195 { 18, 11 },
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196 { 15, 11 },
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197 { 64, 33 },
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198 { 160, 99 },
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199 { 4, 3 },
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200 { 3, 2 },
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201 { 2, 1 },
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202 };
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203
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204 static int decode_profile_tier_level(HEVCContext *s, PTLCommon *ptl)
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205 {
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206 int i;
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207 HEVCLocalContext *lc = s->HEVClc;
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208 GetBitContext *gb = &lc->gb;
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209
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210 if (get_bits_left(gb) < 2+1+5 + 32 + 4 + 16 + 16 + 12)
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211 return -1;
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212
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213 ptl->profile_space = get_bits(gb, 2);
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214 ptl->tier_flag = get_bits1(gb);
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215 ptl->profile_idc = get_bits(gb, 5);
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216 if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN)
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217 av_log(s->avctx, AV_LOG_DEBUG, "Main profile bitstream\n");
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218 else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_10)
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219 av_log(s->avctx, AV_LOG_DEBUG, "Main 10 profile bitstream\n");
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220 else if (ptl->profile_idc == FF_PROFILE_HEVC_MAIN_STILL_PICTURE)
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221 av_log(s->avctx, AV_LOG_DEBUG, "Main Still Picture profile bitstream\n");
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222 else if (ptl->profile_idc == FF_PROFILE_HEVC_REXT)
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223 av_log(s->avctx, AV_LOG_DEBUG, "Range Extension profile bitstream\n");
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224 else
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225 av_log(s->avctx, AV_LOG_WARNING, "Unknown HEVC profile: %d\n", ptl->profile_idc);
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226
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227 for (i = 0; i < 32; i++)
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228 ptl->profile_compatibility_flag[i] = get_bits1(gb);
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229 ptl->progressive_source_flag = get_bits1(gb);
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230 ptl->interlaced_source_flag = get_bits1(gb);
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231 ptl->non_packed_constraint_flag = get_bits1(gb);
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232 ptl->frame_only_constraint_flag = get_bits1(gb);
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233
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234 skip_bits(gb, 16); // XXX_reserved_zero_44bits[0..15]
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235 skip_bits(gb, 16); // XXX_reserved_zero_44bits[16..31]
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236 skip_bits(gb, 12); // XXX_reserved_zero_44bits[32..43]
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237
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238 return 0;
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239 }
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240
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241 static int parse_ptl(HEVCContext *s, PTL *ptl, int max_num_sub_layers)
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242 {
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243 int i;
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244 HEVCLocalContext *lc = s->HEVClc;
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245 GetBitContext *gb = &lc->gb;
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246 if (decode_profile_tier_level(s, &ptl->general_ptl) < 0 ||
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247 get_bits_left(gb) < 8 + 8*2) {
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248 av_log(s->avctx, AV_LOG_ERROR, "PTL information too short\n");
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249 return -1;
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250 }
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251
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252 ptl->general_ptl.level_idc = get_bits(gb, 8);
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253
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254 for (i = 0; i < max_num_sub_layers - 1; i++) {
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255 ptl->sub_layer_profile_present_flag[i] = get_bits1(gb);
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256 ptl->sub_layer_level_present_flag[i] = get_bits1(gb);
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257 }
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258
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259 if (max_num_sub_layers - 1> 0)
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260 for (i = max_num_sub_layers - 1; i < 8; i++)
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261 skip_bits(gb, 2); // reserved_zero_2bits[i]
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262 for (i = 0; i < max_num_sub_layers - 1; i++) {
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263 if (ptl->sub_layer_profile_present_flag[i] &&
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264 decode_profile_tier_level(s, &ptl->sub_layer_ptl[i]) < 0) {
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265 av_log(s->avctx, AV_LOG_ERROR,
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266 "PTL information for sublayer %i too short\n", i);
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267 return -1;
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268 }
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269 if (ptl->sub_layer_level_present_flag[i]) {
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270 if (get_bits_left(gb) < 8) {
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271 av_log(s->avctx, AV_LOG_ERROR,
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272 "Not enough data for sublayer %i level_idc\n", i);
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273 return -1;
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274 } else
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275 ptl->sub_layer_ptl[i].level_idc = get_bits(gb, 8);
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276 }
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277 }
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278
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279 return 0;
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280 }
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281
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282 static void decode_sublayer_hrd(HEVCContext *s, unsigned int nb_cpb,
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283 int subpic_params_present)
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284 {
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285 GetBitContext *gb = &s->HEVClc->gb;
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286 int i;
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287
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288 for (i = 0; i < nb_cpb; i++) {
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289 get_ue_golomb_long(gb); // bit_rate_value_minus1
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290 get_ue_golomb_long(gb); // cpb_size_value_minus1
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291
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292 if (subpic_params_present) {
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293 get_ue_golomb_long(gb); // cpb_size_du_value_minus1
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294 get_ue_golomb_long(gb); // bit_rate_du_value_minus1
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295 }
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296 skip_bits1(gb); // cbr_flag
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297 }
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298 }
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299
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300 static int decode_hrd(HEVCContext *s, int common_inf_present,
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301 int max_sublayers)
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302 {
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303 GetBitContext *gb = &s->HEVClc->gb;
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304 int nal_params_present = 0, vcl_params_present = 0;
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305 int subpic_params_present = 0;
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306 int i;
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307
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308 if (common_inf_present) {
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309 nal_params_present = get_bits1(gb);
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310 vcl_params_present = get_bits1(gb);
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311
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312 if (nal_params_present || vcl_params_present) {
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313 subpic_params_present = get_bits1(gb);
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314
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315 if (subpic_params_present) {
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316 skip_bits(gb, 8); // tick_divisor_minus2
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317 skip_bits(gb, 5); // du_cpb_removal_delay_increment_length_minus1
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318 skip_bits(gb, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
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319 skip_bits(gb, 5); // dpb_output_delay_du_length_minus1
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320 }
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321
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322 skip_bits(gb, 4); // bit_rate_scale
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323 skip_bits(gb, 4); // cpb_size_scale
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324
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325 if (subpic_params_present)
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326 skip_bits(gb, 4); // cpb_size_du_scale
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327
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328 skip_bits(gb, 5); // initial_cpb_removal_delay_length_minus1
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329 skip_bits(gb, 5); // au_cpb_removal_delay_length_minus1
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330 skip_bits(gb, 5); // dpb_output_delay_length_minus1
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331 }
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332 }
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333
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334 for (i = 0; i < max_sublayers; i++) {
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335 int low_delay = 0;
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336 unsigned int nb_cpb = 1;
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337 int fixed_rate = get_bits1(gb);
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338
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339 if (!fixed_rate)
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340 fixed_rate = get_bits1(gb);
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341
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342 if (fixed_rate)
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343 get_ue_golomb_long(gb); // elemental_duration_in_tc_minus1
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344 else
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345 low_delay = get_bits1(gb);
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346
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347 if (!low_delay) {
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348 nb_cpb = get_ue_golomb_long(gb) + 1;
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349 if (nb_cpb < 1 || nb_cpb > 32) {
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350 av_log(s->avctx, AV_LOG_ERROR, "nb_cpb %d invalid\n", nb_cpb);
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351 return AVERROR_INVALIDDATA;
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352 }
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353 }
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354
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355 if (nal_params_present)
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356 decode_sublayer_hrd(s, nb_cpb, subpic_params_present);
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357 if (vcl_params_present)
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358 decode_sublayer_hrd(s, nb_cpb, subpic_params_present);
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359 }
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360 return 0;
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361 }
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362 #endif /* !USE_MSPS */
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363
|
|
|
364 #ifdef USE_MSPS
|
|
|
365 static int create_dummy_vps(HEVCContext *s)
|
|
|
366 {
|
|
|
367 int i;
|
|
|
368 int vps_id = 0;
|
|
|
369 HEVCVPS *vps;
|
|
|
370 AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps));
|
|
|
371
|
|
|
372 if (!vps_buf)
|
|
|
373 return AVERROR(ENOMEM);
|
|
|
374 vps = (HEVCVPS*)vps_buf->data;
|
|
|
375
|
|
|
376 vps_id = 0;
|
|
|
377 vps->vps_max_layers = 1;
|
|
|
378 vps->vps_max_sub_layers = 1;
|
|
|
379 vps->vps_temporal_id_nesting_flag = 0;
|
|
|
380
|
|
|
381 vps->vps_sub_layer_ordering_info_present_flag = 1;
|
|
|
382
|
|
|
383 i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
|
|
|
384 for (; i < vps->vps_max_sub_layers; i++) {
|
|
|
385 vps->vps_max_dec_pic_buffering[i] = 1;
|
|
|
386 vps->vps_num_reorder_pics[i] = 0;
|
|
|
387 vps->vps_max_latency_increase[i] = -1;
|
|
|
388 }
|
|
|
389
|
|
|
390 vps->vps_max_layer_id = 0;
|
|
|
391 vps->vps_num_layer_sets = 1;
|
|
|
392
|
|
|
393 vps->vps_timing_info_present_flag = 0;
|
|
|
394 av_buffer_unref(&s->vps_list[vps_id]);
|
|
|
395 s->vps_list[vps_id] = vps_buf;
|
|
|
396 return 0;
|
|
|
397 }
|
|
|
398 #else
|
|
|
399 int ff_hevc_decode_nal_vps(HEVCContext *s)
|
|
|
400 {
|
|
|
401 int i,j;
|
|
|
402 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
403 int vps_id = 0;
|
|
|
404 HEVCVPS *vps;
|
|
|
405 AVBufferRef *vps_buf = av_buffer_allocz(sizeof(*vps));
|
|
|
406
|
|
|
407 if (!vps_buf)
|
|
|
408 return AVERROR(ENOMEM);
|
|
|
409 vps = (HEVCVPS*)vps_buf->data;
|
|
|
410
|
|
|
411 av_log(s->avctx, AV_LOG_DEBUG, "Decoding VPS\n");
|
|
|
412
|
|
|
413 vps_id = get_bits(gb, 4);
|
|
|
414 if (vps_id >= MAX_VPS_COUNT) {
|
|
|
415 av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_id);
|
|
|
416 goto err;
|
|
|
417 }
|
|
|
418
|
|
|
419 if (get_bits(gb, 2) != 3) { // vps_reserved_three_2bits
|
|
|
420 av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_three_2bits is not three\n");
|
|
|
421 goto err;
|
|
|
422 }
|
|
|
423
|
|
|
424 vps->vps_max_layers = get_bits(gb, 6) + 1;
|
|
|
425 vps->vps_max_sub_layers = get_bits(gb, 3) + 1;
|
|
|
426 vps->vps_temporal_id_nesting_flag = get_bits1(gb);
|
|
|
427
|
|
|
428 if (get_bits(gb, 16) != 0xffff) { // vps_reserved_ffff_16bits
|
|
|
429 av_log(s->avctx, AV_LOG_ERROR, "vps_reserved_ffff_16bits is not 0xffff\n");
|
|
|
430 goto err;
|
|
|
431 }
|
|
|
432
|
|
|
433 if (vps->vps_max_sub_layers > MAX_SUB_LAYERS) {
|
|
|
434 av_log(s->avctx, AV_LOG_ERROR, "vps_max_sub_layers out of range: %d\n",
|
|
|
435 vps->vps_max_sub_layers);
|
|
|
436 goto err;
|
|
|
437 }
|
|
|
438
|
|
|
439 if (parse_ptl(s, &vps->ptl, vps->vps_max_sub_layers) < 0)
|
|
|
440 goto err;
|
|
|
441
|
|
|
442 vps->vps_sub_layer_ordering_info_present_flag = get_bits1(gb);
|
|
|
443
|
|
|
444 i = vps->vps_sub_layer_ordering_info_present_flag ? 0 : vps->vps_max_sub_layers - 1;
|
|
|
445 for (; i < vps->vps_max_sub_layers; i++) {
|
|
|
446 vps->vps_max_dec_pic_buffering[i] = get_ue_golomb_long(gb) + 1;
|
|
|
447 vps->vps_num_reorder_pics[i] = get_ue_golomb_long(gb);
|
|
|
448 vps->vps_max_latency_increase[i] = get_ue_golomb_long(gb) - 1;
|
|
|
449
|
|
|
450 if (vps->vps_max_dec_pic_buffering[i] > MAX_DPB_SIZE || !vps->vps_max_dec_pic_buffering[i]) {
|
|
|
451 av_log(s->avctx, AV_LOG_ERROR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
|
|
|
452 vps->vps_max_dec_pic_buffering[i] - 1);
|
|
|
453 goto err;
|
|
|
454 }
|
|
|
455 if (vps->vps_num_reorder_pics[i] > vps->vps_max_dec_pic_buffering[i] - 1) {
|
|
|
456 av_log(s->avctx, AV_LOG_WARNING, "vps_max_num_reorder_pics out of range: %d\n",
|
|
|
457 vps->vps_num_reorder_pics[i]);
|
|
|
458 if (s->avctx->err_recognition & AV_EF_EXPLODE)
|
|
|
459 goto err;
|
|
|
460 }
|
|
|
461 }
|
|
|
462
|
|
|
463 vps->vps_max_layer_id = get_bits(gb, 6);
|
|
|
464 vps->vps_num_layer_sets = get_ue_golomb_long(gb) + 1;
|
|
|
465 if ((vps->vps_num_layer_sets - 1LL) * (vps->vps_max_layer_id + 1LL) > get_bits_left(gb)) {
|
|
|
466 av_log(s->avctx, AV_LOG_ERROR, "too many layer_id_included_flags\n");
|
|
|
467 goto err;
|
|
|
468 }
|
|
|
469
|
|
|
470 for (i = 1; i < vps->vps_num_layer_sets; i++)
|
|
|
471 for (j = 0; j <= vps->vps_max_layer_id; j++)
|
|
|
472 skip_bits(gb, 1); // layer_id_included_flag[i][j]
|
|
|
473
|
|
|
474 vps->vps_timing_info_present_flag = get_bits1(gb);
|
|
|
475 if (vps->vps_timing_info_present_flag) {
|
|
|
476 vps->vps_num_units_in_tick = get_bits_long(gb, 32);
|
|
|
477 vps->vps_time_scale = get_bits_long(gb, 32);
|
|
|
478 vps->vps_poc_proportional_to_timing_flag = get_bits1(gb);
|
|
|
479 if (vps->vps_poc_proportional_to_timing_flag)
|
|
|
480 vps->vps_num_ticks_poc_diff_one = get_ue_golomb_long(gb) + 1;
|
|
|
481 vps->vps_num_hrd_parameters = get_ue_golomb_long(gb);
|
|
|
482 for (i = 0; i < vps->vps_num_hrd_parameters; i++) {
|
|
|
483 int common_inf_present = 1;
|
|
|
484
|
|
|
485 get_ue_golomb_long(gb); // hrd_layer_set_idx
|
|
|
486 if (i)
|
|
|
487 common_inf_present = get_bits1(gb);
|
|
|
488 decode_hrd(s, common_inf_present, vps->vps_max_sub_layers);
|
|
|
489 }
|
|
|
490 }
|
|
|
491 get_bits1(gb); /* vps_extension_flag */
|
|
|
492
|
|
|
493 if (get_bits_left(gb) < 0) {
|
|
|
494 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
495 "Overread VPS by %d bits\n", -get_bits_left(gb));
|
|
|
496 goto err;
|
|
|
497 }
|
|
|
498
|
|
|
499 av_buffer_unref(&s->vps_list[vps_id]);
|
|
|
500 s->vps_list[vps_id] = vps_buf;
|
|
|
501 return 0;
|
|
|
502
|
|
|
503 err:
|
|
|
504 av_buffer_unref(&vps_buf);
|
|
|
505 return AVERROR_INVALIDDATA;
|
|
|
506 }
|
|
|
507 #endif
|
|
|
508
|
|
|
509 #ifndef USE_MSPS
|
|
|
510 static void decode_vui(HEVCContext *s, HEVCSPS *sps)
|
|
|
511 {
|
|
|
512 VUI *vui = &sps->vui;
|
|
|
513 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
514 GetBitContext backup;
|
|
|
515 int sar_present, alt = 0;
|
|
|
516
|
|
|
517 av_log(s->avctx, AV_LOG_DEBUG, "Decoding VUI\n");
|
|
|
518
|
|
|
519 sar_present = get_bits1(gb);
|
|
|
520 if (sar_present) {
|
|
|
521 uint8_t sar_idx = get_bits(gb, 8);
|
|
|
522 if (sar_idx < FF_ARRAY_ELEMS(vui_sar))
|
|
|
523 vui->sar = vui_sar[sar_idx];
|
|
|
524 else if (sar_idx == 255) {
|
|
|
525 vui->sar.num = get_bits(gb, 16);
|
|
|
526 vui->sar.den = get_bits(gb, 16);
|
|
|
527 } else
|
|
|
528 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
529 "Unknown SAR index: %u.\n", sar_idx);
|
|
|
530 }
|
|
|
531
|
|
|
532 vui->overscan_info_present_flag = get_bits1(gb);
|
|
|
533 if (vui->overscan_info_present_flag)
|
|
|
534 vui->overscan_appropriate_flag = get_bits1(gb);
|
|
|
535
|
|
|
536 vui->video_signal_type_present_flag = get_bits1(gb);
|
|
|
537 if (vui->video_signal_type_present_flag) {
|
|
|
538 vui->video_format = get_bits(gb, 3);
|
|
|
539 vui->video_full_range_flag = get_bits1(gb);
|
|
|
540 vui->colour_description_present_flag = get_bits1(gb);
|
|
|
541 if (vui->video_full_range_flag && sps->pix_fmt == AV_PIX_FMT_YUV420P)
|
|
|
542 sps->pix_fmt = AV_PIX_FMT_YUVJ420P;
|
|
|
543 if (vui->colour_description_present_flag) {
|
|
|
544 vui->colour_primaries = get_bits(gb, 8);
|
|
|
545 vui->transfer_characteristic = get_bits(gb, 8);
|
|
|
546 vui->matrix_coeffs = get_bits(gb, 8);
|
|
|
547
|
|
|
548 // Set invalid values to "unspecified"
|
|
|
549 if (vui->colour_primaries >= AVCOL_PRI_NB)
|
|
|
550 vui->colour_primaries = AVCOL_PRI_UNSPECIFIED;
|
|
|
551 if (vui->transfer_characteristic >= AVCOL_TRC_NB)
|
|
|
552 vui->transfer_characteristic = AVCOL_TRC_UNSPECIFIED;
|
|
|
553 if (vui->matrix_coeffs >= AVCOL_SPC_NB)
|
|
|
554 vui->matrix_coeffs = AVCOL_SPC_UNSPECIFIED;
|
|
|
555 }
|
|
|
556 }
|
|
|
557
|
|
|
558 vui->chroma_loc_info_present_flag = get_bits1(gb);
|
|
|
559 if (vui->chroma_loc_info_present_flag) {
|
|
|
560 vui->chroma_sample_loc_type_top_field = get_ue_golomb_long(gb);
|
|
|
561 vui->chroma_sample_loc_type_bottom_field = get_ue_golomb_long(gb);
|
|
|
562 }
|
|
|
563
|
|
|
564 vui->neutra_chroma_indication_flag = get_bits1(gb);
|
|
|
565 vui->field_seq_flag = get_bits1(gb);
|
|
|
566 vui->frame_field_info_present_flag = get_bits1(gb);
|
|
|
567
|
|
|
568 if (get_bits_left(gb) >= 68 && show_bits_long(gb, 21) == 0x100000) {
|
|
|
569 vui->default_display_window_flag = 0;
|
|
|
570 av_log(s->avctx, AV_LOG_WARNING, "Invalid default display window\n");
|
|
|
571 } else
|
|
|
572 vui->default_display_window_flag = get_bits1(gb);
|
|
|
573 // Backup context in case an alternate header is detected
|
|
|
574 memcpy(&backup, gb, sizeof(backup));
|
|
|
575
|
|
|
576 if (vui->default_display_window_flag) {
|
|
|
577 //TODO: * 2 is only valid for 420
|
|
|
578 vui->def_disp_win.left_offset = get_ue_golomb_long(gb) * 2;
|
|
|
579 vui->def_disp_win.right_offset = get_ue_golomb_long(gb) * 2;
|
|
|
580 vui->def_disp_win.top_offset = get_ue_golomb_long(gb) * 2;
|
|
|
581 vui->def_disp_win.bottom_offset = get_ue_golomb_long(gb) * 2;
|
|
|
582
|
|
|
583 if (s->apply_defdispwin &&
|
|
|
584 s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
|
|
|
585 av_log(s->avctx, AV_LOG_DEBUG,
|
|
|
586 "discarding vui default display window, "
|
|
|
587 "original values are l:%u r:%u t:%u b:%u\n",
|
|
|
588 vui->def_disp_win.left_offset,
|
|
|
589 vui->def_disp_win.right_offset,
|
|
|
590 vui->def_disp_win.top_offset,
|
|
|
591 vui->def_disp_win.bottom_offset);
|
|
|
592
|
|
|
593 vui->def_disp_win.left_offset =
|
|
|
594 vui->def_disp_win.right_offset =
|
|
|
595 vui->def_disp_win.top_offset =
|
|
|
596 vui->def_disp_win.bottom_offset = 0;
|
|
|
597 }
|
|
|
598 }
|
|
|
599
|
|
|
600 vui->vui_timing_info_present_flag = get_bits1(gb);
|
|
|
601
|
|
|
602 if (vui->vui_timing_info_present_flag) {
|
|
|
603 if( get_bits_left(gb) < 66) {
|
|
|
604 // The alternate syntax seem to have timing info located
|
|
|
605 // at where def_disp_win is normally located
|
|
|
606 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
607 "Strange VUI timing information, retrying...\n");
|
|
|
608 vui->default_display_window_flag = 0;
|
|
|
609 memset(&vui->def_disp_win, 0, sizeof(vui->def_disp_win));
|
|
|
610 memcpy(gb, &backup, sizeof(backup));
|
|
|
611 alt = 1;
|
|
|
612 }
|
|
|
613 vui->vui_num_units_in_tick = get_bits_long(gb, 32);
|
|
|
614 vui->vui_time_scale = get_bits_long(gb, 32);
|
|
|
615 if (alt) {
|
|
|
616 av_log(s->avctx, AV_LOG_INFO, "Retry got %i/%i fps\n",
|
|
|
617 vui->vui_time_scale, vui->vui_num_units_in_tick);
|
|
|
618 }
|
|
|
619 vui->vui_poc_proportional_to_timing_flag = get_bits1(gb);
|
|
|
620 if (vui->vui_poc_proportional_to_timing_flag)
|
|
|
621 vui->vui_num_ticks_poc_diff_one_minus1 = get_ue_golomb_long(gb);
|
|
|
622 vui->vui_hrd_parameters_present_flag = get_bits1(gb);
|
|
|
623 if (vui->vui_hrd_parameters_present_flag)
|
|
|
624 decode_hrd(s, 1, sps->max_sub_layers);
|
|
|
625 }
|
|
|
626
|
|
|
627 vui->bitstream_restriction_flag = get_bits1(gb);
|
|
|
628 if (vui->bitstream_restriction_flag) {
|
|
|
629 vui->tiles_fixed_structure_flag = get_bits1(gb);
|
|
|
630 vui->motion_vectors_over_pic_boundaries_flag = get_bits1(gb);
|
|
|
631 vui->restricted_ref_pic_lists_flag = get_bits1(gb);
|
|
|
632 vui->min_spatial_segmentation_idc = get_ue_golomb_long(gb);
|
|
|
633 vui->max_bytes_per_pic_denom = get_ue_golomb_long(gb);
|
|
|
634 vui->max_bits_per_min_cu_denom = get_ue_golomb_long(gb);
|
|
|
635 vui->log2_max_mv_length_horizontal = get_ue_golomb_long(gb);
|
|
|
636 vui->log2_max_mv_length_vertical = get_ue_golomb_long(gb);
|
|
|
637 }
|
|
|
638 }
|
|
|
639 #endif /* !USE_MSPS */
|
|
|
640
|
|
|
641 static void set_default_scaling_list_data(ScalingList *sl)
|
|
|
642 {
|
|
|
643 int matrixId;
|
|
|
644
|
|
|
645 for (matrixId = 0; matrixId < 6; matrixId++) {
|
|
|
646 // 4x4 default is 16
|
|
|
647 memset(sl->sl[0][matrixId], 16, 16);
|
|
|
648 sl->sl_dc[0][matrixId] = 16; // default for 16x16
|
|
|
649 sl->sl_dc[1][matrixId] = 16; // default for 32x32
|
|
|
650 }
|
|
|
651 memcpy(sl->sl[1][0], default_scaling_list_intra, 64);
|
|
|
652 memcpy(sl->sl[1][1], default_scaling_list_intra, 64);
|
|
|
653 memcpy(sl->sl[1][2], default_scaling_list_intra, 64);
|
|
|
654 memcpy(sl->sl[1][3], default_scaling_list_inter, 64);
|
|
|
655 memcpy(sl->sl[1][4], default_scaling_list_inter, 64);
|
|
|
656 memcpy(sl->sl[1][5], default_scaling_list_inter, 64);
|
|
|
657 memcpy(sl->sl[2][0], default_scaling_list_intra, 64);
|
|
|
658 memcpy(sl->sl[2][1], default_scaling_list_intra, 64);
|
|
|
659 memcpy(sl->sl[2][2], default_scaling_list_intra, 64);
|
|
|
660 memcpy(sl->sl[2][3], default_scaling_list_inter, 64);
|
|
|
661 memcpy(sl->sl[2][4], default_scaling_list_inter, 64);
|
|
|
662 memcpy(sl->sl[2][5], default_scaling_list_inter, 64);
|
|
|
663 memcpy(sl->sl[3][0], default_scaling_list_intra, 64);
|
|
|
664 memcpy(sl->sl[3][1], default_scaling_list_intra, 64);
|
|
|
665 memcpy(sl->sl[3][2], default_scaling_list_intra, 64);
|
|
|
666 memcpy(sl->sl[3][3], default_scaling_list_inter, 64);
|
|
|
667 memcpy(sl->sl[3][4], default_scaling_list_inter, 64);
|
|
|
668 memcpy(sl->sl[3][5], default_scaling_list_inter, 64);
|
|
|
669 }
|
|
|
670
|
|
|
671 static int scaling_list_data(HEVCContext *s, ScalingList *sl, HEVCSPS *sps)
|
|
|
672 {
|
|
|
673 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
674 uint8_t scaling_list_pred_mode_flag;
|
|
|
675 int32_t scaling_list_dc_coef[2][6];
|
|
|
676 int size_id, matrix_id, pos;
|
|
|
677 int i;
|
|
|
678
|
|
|
679 for (size_id = 0; size_id < 4; size_id++)
|
|
|
680 for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
|
|
|
681 scaling_list_pred_mode_flag = get_bits1(gb);
|
|
|
682 if (!scaling_list_pred_mode_flag) {
|
|
|
683 unsigned int delta = get_ue_golomb_long(gb);
|
|
|
684 /* Only need to handle non-zero delta. Zero means default,
|
|
|
685 * which should already be in the arrays. */
|
|
|
686 if (delta) {
|
|
|
687 // Copy from previous array.
|
|
|
688 if (matrix_id < delta) {
|
|
|
689 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
690 "Invalid delta in scaling list data: %d.\n", delta);
|
|
|
691 return AVERROR_INVALIDDATA;
|
|
|
692 }
|
|
|
693
|
|
|
694 memcpy(sl->sl[size_id][matrix_id],
|
|
|
695 sl->sl[size_id][matrix_id - delta],
|
|
|
696 size_id > 0 ? 64 : 16);
|
|
|
697 if (size_id > 1)
|
|
|
698 sl->sl_dc[size_id - 2][matrix_id] = sl->sl_dc[size_id - 2][matrix_id - delta];
|
|
|
699 }
|
|
|
700 } else {
|
|
|
701 int next_coef, coef_num;
|
|
|
702 int32_t scaling_list_delta_coef;
|
|
|
703
|
|
|
704 next_coef = 8;
|
|
|
705 coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
|
|
|
706 if (size_id > 1) {
|
|
|
707 scaling_list_dc_coef[size_id - 2][matrix_id] = get_se_golomb(gb) + 8;
|
|
|
708 next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
|
|
|
709 sl->sl_dc[size_id - 2][matrix_id] = next_coef;
|
|
|
710 }
|
|
|
711 for (i = 0; i < coef_num; i++) {
|
|
|
712 if (size_id == 0)
|
|
|
713 pos = 4 * ff_hevc_diag_scan4x4_y[i] +
|
|
|
714 ff_hevc_diag_scan4x4_x[i];
|
|
|
715 else
|
|
|
716 pos = 8 * ff_hevc_diag_scan8x8_y[i] +
|
|
|
717 ff_hevc_diag_scan8x8_x[i];
|
|
|
718
|
|
|
719 scaling_list_delta_coef = get_se_golomb(gb);
|
|
|
720 next_coef = (next_coef + scaling_list_delta_coef + 256) % 256;
|
|
|
721 sl->sl[size_id][matrix_id][pos] = next_coef;
|
|
|
722 }
|
|
|
723 }
|
|
|
724 }
|
|
|
725
|
|
|
726 if (sps->chroma_format_idc == 3) {
|
|
|
727 for (i = 0; i < 64; i++) {
|
|
|
728 sl->sl[3][1][i] = sl->sl[2][1][i];
|
|
|
729 sl->sl[3][2][i] = sl->sl[2][2][i];
|
|
|
730 sl->sl[3][4][i] = sl->sl[2][4][i];
|
|
|
731 sl->sl[3][5][i] = sl->sl[2][5][i];
|
|
|
732 }
|
|
|
733 sl->sl_dc[1][1] = sl->sl_dc[0][1];
|
|
|
734 sl->sl_dc[1][2] = sl->sl_dc[0][2];
|
|
|
735 sl->sl_dc[1][4] = sl->sl_dc[0][4];
|
|
|
736 sl->sl_dc[1][5] = sl->sl_dc[0][5];
|
|
|
737 }
|
|
|
738
|
|
|
739
|
|
|
740 return 0;
|
|
|
741 }
|
|
|
742
|
|
|
743 int ff_hevc_decode_nal_sps(HEVCContext *s)
|
|
|
744 {
|
|
|
745 const AVPixFmtDescriptor *desc;
|
|
|
746 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
747 int ret = 0;
|
|
|
748 unsigned int sps_id = 0;
|
|
|
749 int log2_diff_max_min_transform_block_size;
|
|
|
750 #ifndef USE_MSPS
|
|
|
751 int bit_depth_chroma, start, vui_present, sublayer_ordering_info;
|
|
|
752 #endif
|
|
|
753 int i;
|
|
|
754
|
|
|
755 HEVCSPS *sps;
|
|
|
756 AVBufferRef *sps_buf = av_buffer_allocz(sizeof(*sps));
|
|
|
757
|
|
|
758 if (!sps_buf)
|
|
|
759 return AVERROR(ENOMEM);
|
|
|
760 sps = (HEVCSPS*)sps_buf->data;
|
|
|
761
|
|
|
762 av_log(s->avctx, AV_LOG_DEBUG, "Decoding SPS\n");
|
|
|
763
|
|
|
764 // Coded parameters
|
|
|
765 #ifdef USE_MSPS
|
|
|
766 ret = create_dummy_vps(s);
|
|
|
767 if (ret < 0)
|
|
|
768 return ret;
|
|
|
769 sps->vps_id = 0;
|
|
|
770 sps->max_sub_layers = 1;
|
|
|
771
|
|
|
772 sps_id = 0;
|
|
|
773
|
|
|
774 sps->chroma_format_idc = get_bits(gb, 8);
|
|
|
775 if (sps->chroma_format_idc > 3) {
|
|
|
776 ret = AVERROR_INVALIDDATA;
|
|
|
777 goto err;
|
|
|
778 }
|
|
|
779 sps->separate_colour_plane_flag = 0;
|
|
|
780
|
|
|
781 sps->width = get_bits_long(gb, 32);
|
|
|
782 sps->height = get_bits_long(gb, 32);
|
|
|
783 if ((ret = av_image_check_size(sps->width,
|
|
|
784 sps->height, 0, s->avctx)) < 0)
|
|
|
785 goto err;
|
|
|
786 sps->bit_depth = get_bits(gb, 8) + 8;
|
|
|
787
|
|
|
788 #ifdef USE_VAR_BIT_DEPTH
|
|
|
789 /* Note: in order to simplify the code we always use 16 bit pixfmt */
|
|
|
790 switch(sps->chroma_format_idc) {
|
|
|
791 case 0:
|
|
|
792 sps->pix_fmt = AV_PIX_FMT_GRAY16;
|
|
|
793 break;
|
|
|
794 case 1:
|
|
|
795 sps->pix_fmt = AV_PIX_FMT_YUV420P16;
|
|
|
796 break;
|
|
|
797 case 2:
|
|
|
798 sps->pix_fmt = AV_PIX_FMT_YUV422P16;
|
|
|
799 break;
|
|
|
800 default:
|
|
|
801 case 3:
|
|
|
802 sps->pix_fmt = AV_PIX_FMT_YUV444P16;
|
|
|
803 break;
|
|
|
804 }
|
|
|
805 sps->pixel_shift = 1;
|
|
|
806 #else
|
|
|
807 if (sps->bit_depth != 8) {
|
|
|
808 ret = AVERROR_INVALIDDATA;
|
|
|
809 goto err;
|
|
|
810 }
|
|
|
811
|
|
|
812 switch(sps->chroma_format_idc) {
|
|
|
813 case 0:
|
|
|
814 sps->pix_fmt = AV_PIX_FMT_GRAY8;
|
|
|
815 break;
|
|
|
816 case 1:
|
|
|
817 sps->pix_fmt = AV_PIX_FMT_YUV420P;
|
|
|
818 break;
|
|
|
819 case 2:
|
|
|
820 sps->pix_fmt = AV_PIX_FMT_YUV422P;
|
|
|
821 break;
|
|
|
822 default:
|
|
|
823 case 3:
|
|
|
824 sps->pix_fmt = AV_PIX_FMT_YUV444P;
|
|
|
825 break;
|
|
|
826 }
|
|
|
827 sps->pixel_shift = 0;
|
|
|
828 #endif /* !USE_VAR_BIT_DEPTH */
|
|
|
829
|
|
|
830 #else
|
|
|
831 sps->vps_id = get_bits(gb, 4);
|
|
|
832 if (sps->vps_id >= MAX_VPS_COUNT) {
|
|
|
833 av_log(s->avctx, AV_LOG_ERROR, "VPS id out of range: %d\n", sps->vps_id);
|
|
|
834 ret = AVERROR_INVALIDDATA;
|
|
|
835 goto err;
|
|
|
836 }
|
|
|
837 if (!s->vps_list[sps->vps_id]) {
|
|
|
838 av_log(s->avctx, AV_LOG_ERROR, "VPS %d does not exist\n",
|
|
|
839 sps->vps_id);
|
|
|
840 ret = AVERROR_INVALIDDATA;
|
|
|
841 goto err;
|
|
|
842 }
|
|
|
843
|
|
|
844 sps->max_sub_layers = get_bits(gb, 3) + 1;
|
|
|
845 if (sps->max_sub_layers > MAX_SUB_LAYERS) {
|
|
|
846 av_log(s->avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",
|
|
|
847 sps->max_sub_layers);
|
|
|
848 ret = AVERROR_INVALIDDATA;
|
|
|
849 goto err;
|
|
|
850 }
|
|
|
851
|
|
|
852 skip_bits1(gb); // temporal_id_nesting_flag
|
|
|
853
|
|
|
854 if (parse_ptl(s, &sps->ptl, sps->max_sub_layers) < 0)
|
|
|
855 goto err;
|
|
|
856
|
|
|
857 sps_id = get_ue_golomb_long(gb);
|
|
|
858 if (sps_id >= MAX_SPS_COUNT) {
|
|
|
859 av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", sps_id);
|
|
|
860 ret = AVERROR_INVALIDDATA;
|
|
|
861 goto err;
|
|
|
862 }
|
|
|
863
|
|
|
864 sps->chroma_format_idc = get_ue_golomb_long(gb);
|
|
|
865 if (!(sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2 || sps->chroma_format_idc == 3 || sps->chroma_format_idc == 0)) {
|
|
|
866 avpriv_report_missing_feature(s->avctx, "chroma_format_idc != {0, 1, 2, 3}\n");
|
|
|
867 ret = AVERROR_PATCHWELCOME;
|
|
|
868 goto err;
|
|
|
869 }
|
|
|
870
|
|
|
871 if (sps->chroma_format_idc == 3)
|
|
|
872 sps->separate_colour_plane_flag = get_bits1(gb);
|
|
|
873
|
|
|
874 if (sps->separate_colour_plane_flag) {
|
|
|
875 sps->chroma_format_idc = 0;
|
|
|
876 avpriv_report_missing_feature(s->avctx, "separate_colour_plane_flag = 1\n");
|
|
|
877 ret = AVERROR_PATCHWELCOME;
|
|
|
878 goto err;
|
|
|
879 }
|
|
|
880
|
|
|
881 sps->width = get_ue_golomb_long(gb);
|
|
|
882 sps->height = get_ue_golomb_long(gb);
|
|
|
883 if ((ret = av_image_check_size(sps->width,
|
|
|
884 sps->height, 0, s->avctx)) < 0)
|
|
|
885 goto err;
|
|
|
886
|
|
|
887 if (get_bits1(gb)) { // pic_conformance_flag
|
|
|
888 int hshift, vshift;
|
|
|
889 switch(sps->chroma_format_idc) {
|
|
|
890 default:
|
|
|
891 case 0:
|
|
|
892 case 3:
|
|
|
893 hshift = vshift = 0;
|
|
|
894 break;
|
|
|
895 case 1:
|
|
|
896 hshift = vshift = 1;
|
|
|
897 break;
|
|
|
898 case 2:
|
|
|
899 hshift = 1;
|
|
|
900 vshift = 0;
|
|
|
901 break;
|
|
|
902 }
|
|
|
903 sps->pic_conf_win.left_offset = get_ue_golomb_long(gb) << hshift;
|
|
|
904 sps->pic_conf_win.right_offset = get_ue_golomb_long(gb) << hshift;
|
|
|
905 sps->pic_conf_win.top_offset = get_ue_golomb_long(gb) << vshift;
|
|
|
906 sps->pic_conf_win.bottom_offset = get_ue_golomb_long(gb) << vshift;
|
|
|
907
|
|
|
908 if (s->avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
|
|
|
909 av_log(s->avctx, AV_LOG_DEBUG,
|
|
|
910 "discarding sps conformance window, "
|
|
|
911 "original values are l:%u r:%u t:%u b:%u\n",
|
|
|
912 sps->pic_conf_win.left_offset,
|
|
|
913 sps->pic_conf_win.right_offset,
|
|
|
914 sps->pic_conf_win.top_offset,
|
|
|
915 sps->pic_conf_win.bottom_offset);
|
|
|
916
|
|
|
917 sps->pic_conf_win.left_offset =
|
|
|
918 sps->pic_conf_win.right_offset =
|
|
|
919 sps->pic_conf_win.top_offset =
|
|
|
920 sps->pic_conf_win.bottom_offset = 0;
|
|
|
921 }
|
|
|
922 sps->output_window = sps->pic_conf_win;
|
|
|
923 }
|
|
|
924
|
|
|
925 sps->bit_depth = get_ue_golomb_long(gb) + 8;
|
|
|
926 bit_depth_chroma = get_ue_golomb_long(gb) + 8;
|
|
|
927 if (bit_depth_chroma != sps->bit_depth && sps->chroma_format_idc != 0) {
|
|
|
928 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
929 "Luma bit depth (%d) is different from chroma bit depth (%d), "
|
|
|
930 "this is unsupported.\n",
|
|
|
931 sps->bit_depth, bit_depth_chroma);
|
|
|
932 ret = AVERROR_INVALIDDATA;
|
|
|
933 goto err;
|
|
|
934 }
|
|
|
935 switch (sps->bit_depth) {
|
|
|
936 case 8:
|
|
|
937 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P;
|
|
|
938 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P;
|
|
|
939 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P;
|
|
|
940 break;
|
|
|
941 case 9:
|
|
|
942 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P9;
|
|
|
943 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P9;
|
|
|
944 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P9;
|
|
|
945 break;
|
|
|
946 case 10:
|
|
|
947 if (sps->chroma_format_idc == 0) {
|
|
|
948 if (sps->separate_colour_plane_flag)
|
|
|
949 goto format_not_supported;
|
|
|
950 sps->pix_fmt = AV_PIX_FMT_GRAY16; /* XXX: should have gray10 */
|
|
|
951 }
|
|
|
952 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P10;
|
|
|
953 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P10;
|
|
|
954 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P10;
|
|
|
955 break;
|
|
|
956 case 12:
|
|
|
957 if (sps->chroma_format_idc == 1) sps->pix_fmt = AV_PIX_FMT_YUV420P12;
|
|
|
958 if (sps->chroma_format_idc == 2) sps->pix_fmt = AV_PIX_FMT_YUV422P12;
|
|
|
959 if (sps->chroma_format_idc == 3) sps->pix_fmt = AV_PIX_FMT_YUV444P12;
|
|
|
960 break;
|
|
|
961 default:
|
|
|
962 format_not_supported:
|
|
|
963 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
964 "4:2:0, 4:2:2, 4:4:4 supports are currently specified for 8, 10 and 12 bits.\n");
|
|
|
965 ret = AVERROR_PATCHWELCOME;
|
|
|
966 goto err;
|
|
|
967 }
|
|
|
968 sps->pixel_shift = sps->bit_depth > 8;
|
|
|
969 #endif /* USE_MSPS */
|
|
|
970
|
|
|
971 desc = av_pix_fmt_desc_get(sps->pix_fmt);
|
|
|
972 if (!desc) {
|
|
|
973 ret = AVERROR(EINVAL);
|
|
|
974 goto err;
|
|
|
975 }
|
|
|
976
|
|
|
977 sps->hshift[0] = sps->vshift[0] = 0;
|
|
|
978 sps->hshift[2] = sps->hshift[1] = desc->log2_chroma_w;
|
|
|
979 sps->vshift[2] = sps->vshift[1] = desc->log2_chroma_h;
|
|
|
980
|
|
|
981
|
|
|
982 #ifdef USE_MSPS
|
|
|
983 sps->log2_max_poc_lsb = 8; /* not used for intra */
|
|
|
984 for (i = 0; i < sps->max_sub_layers; i++) {
|
|
|
985 sps->temporal_layer[i].max_dec_pic_buffering = 1;
|
|
|
986 sps->temporal_layer[i].num_reorder_pics = 0;
|
|
|
987 sps->temporal_layer[i].max_latency_increase = -1;
|
|
|
988 }
|
|
|
989 sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
|
|
|
990 /* update the width & heigth to be a multiple of min_cb_size */
|
|
|
991 {
|
|
|
992 int m;
|
|
|
993 m = (1 << sps->log2_min_cb_size) - 1;
|
|
|
994 sps->width = (sps->width + m) & ~m;
|
|
|
995 sps->height = (sps->height + m) & ~m;
|
|
|
996 }
|
|
|
997 #else
|
|
|
998 sps->log2_max_poc_lsb = get_ue_golomb_long(gb) + 4;
|
|
|
999 if (sps->log2_max_poc_lsb > 16) {
|
|
|
1000 av_log(s->avctx, AV_LOG_ERROR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
|
|
|
1001 sps->log2_max_poc_lsb - 4);
|
|
|
1002 ret = AVERROR_INVALIDDATA;
|
|
|
1003 goto err;
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 sublayer_ordering_info = get_bits1(gb);
|
|
|
1007 start = sublayer_ordering_info ? 0 : sps->max_sub_layers - 1;
|
|
|
1008 for (i = start; i < sps->max_sub_layers; i++) {
|
|
|
1009 sps->temporal_layer[i].max_dec_pic_buffering = get_ue_golomb_long(gb) + 1;
|
|
|
1010 sps->temporal_layer[i].num_reorder_pics = get_ue_golomb_long(gb);
|
|
|
1011 sps->temporal_layer[i].max_latency_increase = get_ue_golomb_long(gb) - 1;
|
|
|
1012 if (sps->temporal_layer[i].max_dec_pic_buffering > MAX_DPB_SIZE) {
|
|
|
1013 av_log(s->avctx, AV_LOG_ERROR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
|
|
|
1014 sps->temporal_layer[i].max_dec_pic_buffering - 1);
|
|
|
1015 ret = AVERROR_INVALIDDATA;
|
|
|
1016 goto err;
|
|
|
1017 }
|
|
|
1018 if (sps->temporal_layer[i].num_reorder_pics > sps->temporal_layer[i].max_dec_pic_buffering - 1) {
|
|
|
1019 av_log(s->avctx, AV_LOG_WARNING, "sps_max_num_reorder_pics out of range: %d\n",
|
|
|
1020 sps->temporal_layer[i].num_reorder_pics);
|
|
|
1021 if (s->avctx->err_recognition & AV_EF_EXPLODE ||
|
|
|
1022 sps->temporal_layer[i].num_reorder_pics > MAX_DPB_SIZE - 1) {
|
|
|
1023 ret = AVERROR_INVALIDDATA;
|
|
|
1024 goto err;
|
|
|
1025 }
|
|
|
1026 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[i].num_reorder_pics + 1;
|
|
|
1027 }
|
|
|
1028 }
|
|
|
1029
|
|
|
1030 if (!sublayer_ordering_info) {
|
|
|
1031 for (i = 0; i < start; i++) {
|
|
|
1032 sps->temporal_layer[i].max_dec_pic_buffering = sps->temporal_layer[start].max_dec_pic_buffering;
|
|
|
1033 sps->temporal_layer[i].num_reorder_pics = sps->temporal_layer[start].num_reorder_pics;
|
|
|
1034 sps->temporal_layer[i].max_latency_increase = sps->temporal_layer[start].max_latency_increase;
|
|
|
1035 }
|
|
|
1036 }
|
|
|
1037 sps->log2_min_cb_size = get_ue_golomb_long(gb) + 3;
|
|
|
1038 #endif
|
|
|
1039 sps->log2_diff_max_min_coding_block_size = get_ue_golomb_long(gb);
|
|
|
1040 sps->log2_min_tb_size = get_ue_golomb_long(gb) + 2;
|
|
|
1041 log2_diff_max_min_transform_block_size = get_ue_golomb_long(gb);
|
|
|
1042 sps->log2_max_trafo_size = log2_diff_max_min_transform_block_size +
|
|
|
1043 sps->log2_min_tb_size;
|
|
|
1044 if (sps->log2_min_tb_size >= sps->log2_min_cb_size) {
|
|
|
1045 av_log(s->avctx, AV_LOG_ERROR, "Invalid value for log2_min_tb_size");
|
|
|
1046 ret = AVERROR_INVALIDDATA;
|
|
|
1047 goto err;
|
|
|
1048 }
|
|
|
1049 #ifdef USE_MSPS
|
|
|
1050 sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
|
|
|
1051 sps->max_transform_hierarchy_depth_inter =
|
|
|
1052 sps->max_transform_hierarchy_depth_intra; /* not used for intra */
|
|
|
1053 sps->amp_enabled_flag = 1; /* not used for intra */
|
|
|
1054 #else
|
|
|
1055 sps->max_transform_hierarchy_depth_inter = get_ue_golomb_long(gb);
|
|
|
1056 sps->max_transform_hierarchy_depth_intra = get_ue_golomb_long(gb);
|
|
|
1057
|
|
|
1058 sps->scaling_list_enable_flag = get_bits1(gb);
|
|
|
1059 if (sps->scaling_list_enable_flag) {
|
|
|
1060 #ifdef USE_FULL
|
|
|
1061 set_default_scaling_list_data(&sps->scaling_list);
|
|
|
1062
|
|
|
1063 if (get_bits1(gb)) {
|
|
|
1064 ret = scaling_list_data(s, &sps->scaling_list, sps);
|
|
|
1065 if (ret < 0)
|
|
|
1066 goto err;
|
|
|
1067 }
|
|
|
1068 #else
|
|
|
1069 abort();
|
|
|
1070 #endif
|
|
|
1071 }
|
|
|
1072 sps->amp_enabled_flag = get_bits1(gb);
|
|
|
1073 #endif
|
|
|
1074
|
|
|
1075 sps->sao_enabled = get_bits1(gb);
|
|
|
1076
|
|
|
1077 sps->pcm_enabled_flag = get_bits1(gb);
|
|
|
1078 if (sps->pcm_enabled_flag) {
|
|
|
1079 sps->pcm.bit_depth = get_bits(gb, 4) + 1;
|
|
|
1080 sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
|
|
|
1081 sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
|
|
|
1082 sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
|
|
|
1083 get_ue_golomb_long(gb);
|
|
|
1084 if (sps->pcm.bit_depth > sps->bit_depth) {
|
|
|
1085 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
1086 "PCM bit depth (%d) is greater than normal bit depth (%d)\n",
|
|
|
1087 sps->pcm.bit_depth, sps->bit_depth);
|
|
|
1088 ret = AVERROR_INVALIDDATA;
|
|
|
1089 goto err;
|
|
|
1090 }
|
|
|
1091
|
|
|
1092 sps->pcm.loop_filter_disable_flag = get_bits1(gb);
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 #ifdef USE_MSPS
|
|
|
1096 sps->nb_st_rps = 0; /* not used for intra */
|
|
|
1097 sps->long_term_ref_pics_present_flag = 0; /* not used for intra */
|
|
|
1098 sps->sps_temporal_mvp_enabled_flag = 1; /* not used for intra */
|
|
|
1099 sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
|
|
|
1100 sps->vui.sar = (AVRational){0, 1};
|
|
|
1101 #else
|
|
|
1102 sps->nb_st_rps = get_ue_golomb_long(gb);
|
|
|
1103 if (sps->nb_st_rps > MAX_SHORT_TERM_RPS_COUNT) {
|
|
|
1104 av_log(s->avctx, AV_LOG_ERROR, "Too many short term RPS: %d.\n",
|
|
|
1105 sps->nb_st_rps);
|
|
|
1106 ret = AVERROR_INVALIDDATA;
|
|
|
1107 goto err;
|
|
|
1108 }
|
|
|
1109 for (i = 0; i < sps->nb_st_rps; i++) {
|
|
|
1110 if ((ret = ff_hevc_decode_short_term_rps(s, &sps->st_rps[i],
|
|
|
1111 sps, 0)) < 0)
|
|
|
1112 goto err;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 sps->long_term_ref_pics_present_flag = get_bits1(gb);
|
|
|
1116 if (sps->long_term_ref_pics_present_flag) {
|
|
|
1117 sps->num_long_term_ref_pics_sps = get_ue_golomb_long(gb);
|
|
|
1118 for (i = 0; i < sps->num_long_term_ref_pics_sps; i++) {
|
|
|
1119 sps->lt_ref_pic_poc_lsb_sps[i] = get_bits(gb, sps->log2_max_poc_lsb);
|
|
|
1120 sps->used_by_curr_pic_lt_sps_flag[i] = get_bits1(gb);
|
|
|
1121 }
|
|
|
1122 }
|
|
|
1123
|
|
|
1124 sps->sps_temporal_mvp_enabled_flag = get_bits1(gb);
|
|
|
1125 sps->sps_strong_intra_smoothing_enable_flag = get_bits1(gb);
|
|
|
1126 sps->vui.sar = (AVRational){0, 1};
|
|
|
1127 vui_present = get_bits1(gb);
|
|
|
1128 if (vui_present)
|
|
|
1129 decode_vui(s, sps);
|
|
|
1130 #endif
|
|
|
1131
|
|
|
1132 if (get_bits1(gb)) { // sps_extension_flag
|
|
|
1133 int sps_extension_flag[1];
|
|
|
1134 for (i = 0; i < 1; i++)
|
|
|
1135 sps_extension_flag[i] = get_bits1(gb);
|
|
|
1136 skip_bits(gb, 7); //sps_extension_7bits = get_bits(gb, 7);
|
|
|
1137 if (sps_extension_flag[0]) {
|
|
|
1138 int extended_precision_processing_flag;
|
|
|
1139 int high_precision_offsets_enabled_flag;
|
|
|
1140 int cabac_bypass_alignment_enabled_flag;
|
|
|
1141
|
|
|
1142 sps->transform_skip_rotation_enabled_flag = get_bits1(gb);
|
|
|
1143 sps->transform_skip_context_enabled_flag = get_bits1(gb);
|
|
|
1144 sps->implicit_rdpcm_enabled_flag = get_bits1(gb);
|
|
|
1145 sps->explicit_rdpcm_enabled_flag = get_bits1(gb);
|
|
|
1146
|
|
|
1147 extended_precision_processing_flag = get_bits1(gb);
|
|
|
1148 if (extended_precision_processing_flag)
|
|
|
1149 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1150 "extended_precision_processing_flag not yet implemented\n");
|
|
|
1151
|
|
|
1152 sps->intra_smoothing_disabled_flag = get_bits1(gb);
|
|
|
1153 high_precision_offsets_enabled_flag = get_bits1(gb);
|
|
|
1154 if (high_precision_offsets_enabled_flag)
|
|
|
1155 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1156 "high_precision_offsets_enabled_flag not yet implemented\n");
|
|
|
1157
|
|
|
1158 sps->persistent_rice_adaptation_enabled_flag = get_bits1(gb);
|
|
|
1159
|
|
|
1160 cabac_bypass_alignment_enabled_flag = get_bits1(gb);
|
|
|
1161 if (cabac_bypass_alignment_enabled_flag)
|
|
|
1162 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1163 "cabac_bypass_alignment_enabled_flag not yet implemented\n");
|
|
|
1164 }
|
|
|
1165 }
|
|
|
1166 #ifdef USE_MSPS
|
|
|
1167 sps->output_width = sps->width;
|
|
|
1168 sps->output_height = sps->height;
|
|
|
1169 #else
|
|
|
1170 if (s->apply_defdispwin) {
|
|
|
1171 sps->output_window.left_offset += sps->vui.def_disp_win.left_offset;
|
|
|
1172 sps->output_window.right_offset += sps->vui.def_disp_win.right_offset;
|
|
|
1173 sps->output_window.top_offset += sps->vui.def_disp_win.top_offset;
|
|
|
1174 sps->output_window.bottom_offset += sps->vui.def_disp_win.bottom_offset;
|
|
|
1175 }
|
|
|
1176 if (sps->output_window.left_offset & (0x1F >> (sps->pixel_shift)) &&
|
|
|
1177 !(s->avctx->flags & CODEC_FLAG_UNALIGNED)) {
|
|
|
1178 sps->output_window.left_offset &= ~(0x1F >> (sps->pixel_shift));
|
|
|
1179 av_log(s->avctx, AV_LOG_WARNING, "Reducing left output window to %d "
|
|
|
1180 "chroma samples to preserve alignment.\n",
|
|
|
1181 sps->output_window.left_offset);
|
|
|
1182 }
|
|
|
1183 sps->output_width = sps->width -
|
|
|
1184 (sps->output_window.left_offset + sps->output_window.right_offset);
|
|
|
1185 sps->output_height = sps->height -
|
|
|
1186 (sps->output_window.top_offset + sps->output_window.bottom_offset);
|
|
|
1187 if (sps->output_width <= 0 || sps->output_height <= 0) {
|
|
|
1188 av_log(s->avctx, AV_LOG_WARNING, "Invalid visible frame dimensions: %dx%d.\n",
|
|
|
1189 sps->output_width, sps->output_height);
|
|
|
1190 if (s->avctx->err_recognition & AV_EF_EXPLODE) {
|
|
|
1191 ret = AVERROR_INVALIDDATA;
|
|
|
1192 goto err;
|
|
|
1193 }
|
|
|
1194 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1195 "Displaying the whole video surface.\n");
|
|
|
1196 sps->pic_conf_win.left_offset =
|
|
|
1197 sps->pic_conf_win.right_offset =
|
|
|
1198 sps->pic_conf_win.top_offset =
|
|
|
1199 sps->pic_conf_win.bottom_offset = 0;
|
|
|
1200 sps->output_width = sps->width;
|
|
|
1201 sps->output_height = sps->height;
|
|
|
1202 }
|
|
|
1203 #endif
|
|
|
1204
|
|
|
1205 // Inferred parameters
|
|
|
1206 sps->log2_ctb_size = sps->log2_min_cb_size +
|
|
|
1207 sps->log2_diff_max_min_coding_block_size;
|
|
|
1208 sps->log2_min_pu_size = sps->log2_min_cb_size - 1;
|
|
|
1209
|
|
|
1210 sps->ctb_width = (sps->width + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
|
|
|
1211 sps->ctb_height = (sps->height + (1 << sps->log2_ctb_size) - 1) >> sps->log2_ctb_size;
|
|
|
1212 sps->ctb_size = sps->ctb_width * sps->ctb_height;
|
|
|
1213
|
|
|
1214 sps->min_cb_width = sps->width >> sps->log2_min_cb_size;
|
|
|
1215 sps->min_cb_height = sps->height >> sps->log2_min_cb_size;
|
|
|
1216 sps->min_tb_width = sps->width >> sps->log2_min_tb_size;
|
|
|
1217 sps->min_tb_height = sps->height >> sps->log2_min_tb_size;
|
|
|
1218 sps->min_pu_width = sps->width >> sps->log2_min_pu_size;
|
|
|
1219 sps->min_pu_height = sps->height >> sps->log2_min_pu_size;
|
|
|
1220 sps->tb_mask = (1 << (sps->log2_ctb_size - sps->log2_min_tb_size)) - 1;
|
|
|
1221
|
|
|
1222 sps->qp_bd_offset = 6 * (sps->bit_depth - 8);
|
|
|
1223
|
|
|
1224 if (sps->width & ((1 << sps->log2_min_cb_size) - 1) ||
|
|
|
1225 sps->height & ((1 << sps->log2_min_cb_size) - 1)) {
|
|
|
1226 av_log(s->avctx, AV_LOG_ERROR, "Invalid coded frame dimensions.\n");
|
|
|
1227 goto err;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 if (sps->log2_ctb_size > MAX_LOG2_CTB_SIZE) {
|
|
|
1231 av_log(s->avctx, AV_LOG_ERROR, "CTB size out of range: 2^%d\n", sps->log2_ctb_size);
|
|
|
1232 goto err;
|
|
|
1233 }
|
|
|
1234 if (sps->max_transform_hierarchy_depth_inter > sps->log2_ctb_size - sps->log2_min_tb_size) {
|
|
|
1235 av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_inter out of range: %d\n",
|
|
|
1236 sps->max_transform_hierarchy_depth_inter);
|
|
|
1237 goto err;
|
|
|
1238 }
|
|
|
1239 if (sps->max_transform_hierarchy_depth_intra > sps->log2_ctb_size - sps->log2_min_tb_size) {
|
|
|
1240 av_log(s->avctx, AV_LOG_ERROR, "max_transform_hierarchy_depth_intra out of range: %d\n",
|
|
|
1241 sps->max_transform_hierarchy_depth_intra);
|
|
|
1242 goto err;
|
|
|
1243 }
|
|
|
1244 if (sps->log2_max_trafo_size > FFMIN(sps->log2_ctb_size, 5)) {
|
|
|
1245 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
1246 "max transform block size out of range: %d\n",
|
|
|
1247 sps->log2_max_trafo_size);
|
|
|
1248 goto err;
|
|
|
1249 }
|
|
|
1250
|
|
|
1251 if (get_bits_left(gb) < 0) {
|
|
|
1252 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
1253 "Overread SPS by %d bits\n", -get_bits_left(gb));
|
|
|
1254 goto err;
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 if (s->avctx->debug & FF_DEBUG_BITSTREAM) {
|
|
|
1258 av_log(s->avctx, AV_LOG_DEBUG,
|
|
|
1259 "Parsed SPS: id %d; coded wxh: %dx%d; "
|
|
|
1260 "cropped wxh: %dx%d; pix_fmt: %s.\n",
|
|
|
1261 sps_id, sps->width, sps->height,
|
|
|
1262 sps->output_width, sps->output_height,
|
|
|
1263 #ifdef USE_FULL
|
|
|
1264 av_get_pix_fmt_name(sps->pix_fmt)
|
|
|
1265 #else
|
|
|
1266 "?"
|
|
|
1267 #endif
|
|
|
1268 );
|
|
|
1269 }
|
|
|
1270
|
|
|
1271 /* check if this is a repeat of an already parsed SPS, then keep the
|
|
|
1272 * original one.
|
|
|
1273 * otherwise drop all PPSes that depend on it */
|
|
|
1274 if (s->sps_list[sps_id] &&
|
|
|
1275 !memcmp(s->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) {
|
|
|
1276 av_buffer_unref(&sps_buf);
|
|
|
1277 } else {
|
|
|
1278 for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) {
|
|
|
1279 if (s->pps_list[i] && ((HEVCPPS*)s->pps_list[i]->data)->sps_id == sps_id)
|
|
|
1280 av_buffer_unref(&s->pps_list[i]);
|
|
|
1281 }
|
|
|
1282 if (s->sps_list[sps_id] && s->sps == (HEVCSPS*)s->sps_list[sps_id]->data) {
|
|
|
1283 av_buffer_unref(&s->current_sps);
|
|
|
1284 s->current_sps = av_buffer_ref(s->sps_list[sps_id]);
|
|
|
1285 if (!s->current_sps)
|
|
|
1286 s->sps = NULL;
|
|
|
1287 }
|
|
|
1288 av_buffer_unref(&s->sps_list[sps_id]);
|
|
|
1289 s->sps_list[sps_id] = sps_buf;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 return 0;
|
|
|
1293
|
|
|
1294 err:
|
|
|
1295 av_buffer_unref(&sps_buf);
|
|
|
1296 return ret;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 static void hevc_pps_free(void *opaque, uint8_t *data)
|
|
|
1300 {
|
|
|
1301 HEVCPPS *pps = (HEVCPPS*)data;
|
|
|
1302
|
|
|
1303 av_freep(&pps->column_width);
|
|
|
1304 av_freep(&pps->row_height);
|
|
|
1305 av_freep(&pps->col_bd);
|
|
|
1306 av_freep(&pps->row_bd);
|
|
|
1307 av_freep(&pps->col_idxX);
|
|
|
1308 av_freep(&pps->ctb_addr_rs_to_ts);
|
|
|
1309 av_freep(&pps->ctb_addr_ts_to_rs);
|
|
|
1310 av_freep(&pps->tile_pos_rs);
|
|
|
1311 av_freep(&pps->tile_id);
|
|
|
1312 av_freep(&pps->min_tb_addr_zs_tab);
|
|
|
1313
|
|
|
1314 av_freep(&pps);
|
|
|
1315 }
|
|
|
1316
|
|
|
1317 static int pps_range_extensions(HEVCContext *s, HEVCPPS *pps, HEVCSPS *sps) {
|
|
|
1318 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
1319 int i;
|
|
|
1320
|
|
|
1321 if (pps->transform_skip_enabled_flag) {
|
|
|
1322 pps->log2_max_transform_skip_block_size = get_ue_golomb_long(gb) + 2;
|
|
|
1323 }
|
|
|
1324 pps->cross_component_prediction_enabled_flag = get_bits1(gb);
|
|
|
1325 pps->chroma_qp_offset_list_enabled_flag = get_bits1(gb);
|
|
|
1326 if (pps->chroma_qp_offset_list_enabled_flag) {
|
|
|
1327 pps->diff_cu_chroma_qp_offset_depth = get_ue_golomb_long(gb);
|
|
|
1328 pps->chroma_qp_offset_list_len_minus1 = get_ue_golomb_long(gb);
|
|
|
1329 if (pps->chroma_qp_offset_list_len_minus1 && pps->chroma_qp_offset_list_len_minus1 >= 5) {
|
|
|
1330 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
1331 "chroma_qp_offset_list_len_minus1 shall be in the range [0, 5].\n");
|
|
|
1332 return AVERROR_INVALIDDATA;
|
|
|
1333 }
|
|
|
1334 for (i = 0; i <= pps->chroma_qp_offset_list_len_minus1; i++) {
|
|
|
1335 pps->cb_qp_offset_list[i] = get_se_golomb_long(gb);
|
|
|
1336 if (pps->cb_qp_offset_list[i]) {
|
|
|
1337 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1338 "cb_qp_offset_list not tested yet.\n");
|
|
|
1339 }
|
|
|
1340 pps->cr_qp_offset_list[i] = get_se_golomb_long(gb);
|
|
|
1341 if (pps->cr_qp_offset_list[i]) {
|
|
|
1342 av_log(s->avctx, AV_LOG_WARNING,
|
|
|
1343 "cb_qp_offset_list not tested yet.\n");
|
|
|
1344 }
|
|
|
1345 }
|
|
|
1346 }
|
|
|
1347 pps->log2_sao_offset_scale_luma = get_ue_golomb_long(gb);
|
|
|
1348 pps->log2_sao_offset_scale_chroma = get_ue_golomb_long(gb);
|
|
|
1349
|
|
|
1350 return(0);
|
|
|
1351 }
|
|
|
1352
|
|
|
1353 int ff_hevc_decode_nal_pps(HEVCContext *s)
|
|
|
1354 {
|
|
|
1355 GetBitContext *gb = &s->HEVClc->gb;
|
|
|
1356 HEVCSPS *sps = NULL;
|
|
|
1357 int pic_area_in_ctbs;
|
|
|
1358 int log2_diff_ctb_min_tb_size;
|
|
|
1359 int i, j, x, y, ctb_addr_rs, tile_id;
|
|
|
1360 int ret = 0;
|
|
|
1361 unsigned int pps_id = 0;
|
|
|
1362
|
|
|
1363 AVBufferRef *pps_buf;
|
|
|
1364 HEVCPPS *pps = av_mallocz(sizeof(*pps));
|
|
|
1365
|
|
|
1366 if (!pps)
|
|
|
1367 return AVERROR(ENOMEM);
|
|
|
1368
|
|
|
1369 pps_buf = av_buffer_create((uint8_t *)pps, sizeof(*pps),
|
|
|
1370 hevc_pps_free, NULL, 0);
|
|
|
1371 if (!pps_buf) {
|
|
|
1372 av_freep(&pps);
|
|
|
1373 return AVERROR(ENOMEM);
|
|
|
1374 }
|
|
|
1375
|
|
|
1376 av_log(s->avctx, AV_LOG_DEBUG, "Decoding PPS\n");
|
|
|
1377
|
|
|
1378 // Default values
|
|
|
1379 pps->loop_filter_across_tiles_enabled_flag = 1;
|
|
|
1380 pps->num_tile_columns = 1;
|
|
|
1381 pps->num_tile_rows = 1;
|
|
|
1382 pps->uniform_spacing_flag = 1;
|
|
|
1383 pps->disable_dbf = 0;
|
|
|
1384 pps->beta_offset = 0;
|
|
|
1385 pps->tc_offset = 0;
|
|
|
1386 pps->log2_max_transform_skip_block_size = 2;
|
|
|
1387
|
|
|
1388 // Coded parameters
|
|
|
1389 pps_id = get_ue_golomb_long(gb);
|
|
|
1390 if (pps_id >= MAX_PPS_COUNT) {
|
|
|
1391 av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
|
|
|
1392 ret = AVERROR_INVALIDDATA;
|
|
|
1393 goto err;
|
|
|
1394 }
|
|
|
1395 pps->sps_id = get_ue_golomb_long(gb);
|
|
|
1396 if (pps->sps_id >= MAX_SPS_COUNT) {
|
|
|
1397 av_log(s->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", pps->sps_id);
|
|
|
1398 ret = AVERROR_INVALIDDATA;
|
|
|
1399 goto err;
|
|
|
1400 }
|
|
|
1401 if (!s->sps_list[pps->sps_id]) {
|
|
|
1402 av_log(s->avctx, AV_LOG_ERROR, "SPS %u does not exist.\n", pps->sps_id);
|
|
|
1403 ret = AVERROR_INVALIDDATA;
|
|
|
1404 goto err;
|
|
|
1405 }
|
|
|
1406 sps = (HEVCSPS *)s->sps_list[pps->sps_id]->data;
|
|
|
1407
|
|
|
1408 pps->dependent_slice_segments_enabled_flag = get_bits1(gb);
|
|
|
1409 pps->output_flag_present_flag = get_bits1(gb);
|
|
|
1410 pps->num_extra_slice_header_bits = get_bits(gb, 3);
|
|
|
1411
|
|
|
1412 pps->sign_data_hiding_flag = get_bits1(gb);
|
|
|
1413
|
|
|
1414 pps->cabac_init_present_flag = get_bits1(gb);
|
|
|
1415
|
|
|
1416 pps->num_ref_idx_l0_default_active = get_ue_golomb_long(gb) + 1;
|
|
|
1417 pps->num_ref_idx_l1_default_active = get_ue_golomb_long(gb) + 1;
|
|
|
1418
|
|
|
1419 pps->pic_init_qp_minus26 = get_se_golomb(gb);
|
|
|
1420
|
|
|
1421 pps->constrained_intra_pred_flag = get_bits1(gb);
|
|
|
1422 pps->transform_skip_enabled_flag = get_bits1(gb);
|
|
|
1423
|
|
|
1424 pps->cu_qp_delta_enabled_flag = get_bits1(gb);
|
|
|
1425 pps->diff_cu_qp_delta_depth = 0;
|
|
|
1426 if (pps->cu_qp_delta_enabled_flag)
|
|
|
1427 pps->diff_cu_qp_delta_depth = get_ue_golomb_long(gb);
|
|
|
1428
|
|
|
1429 pps->cb_qp_offset = get_se_golomb(gb);
|
|
|
1430 if (pps->cb_qp_offset < -12 || pps->cb_qp_offset > 12) {
|
|
|
1431 av_log(s->avctx, AV_LOG_ERROR, "pps_cb_qp_offset out of range: %d\n",
|
|
|
1432 pps->cb_qp_offset);
|
|
|
1433 ret = AVERROR_INVALIDDATA;
|
|
|
1434 goto err;
|
|
|
1435 }
|
|
|
1436 pps->cr_qp_offset = get_se_golomb(gb);
|
|
|
1437 if (pps->cr_qp_offset < -12 || pps->cr_qp_offset > 12) {
|
|
|
1438 av_log(s->avctx, AV_LOG_ERROR, "pps_cr_qp_offset out of range: %d\n",
|
|
|
1439 pps->cr_qp_offset);
|
|
|
1440 ret = AVERROR_INVALIDDATA;
|
|
|
1441 goto err;
|
|
|
1442 }
|
|
|
1443 pps->pic_slice_level_chroma_qp_offsets_present_flag = get_bits1(gb);
|
|
|
1444
|
|
|
1445 pps->weighted_pred_flag = get_bits1(gb);
|
|
|
1446 pps->weighted_bipred_flag = get_bits1(gb);
|
|
|
1447
|
|
|
1448 pps->transquant_bypass_enable_flag = get_bits1(gb);
|
|
|
1449 pps->tiles_enabled_flag = get_bits1(gb);
|
|
|
1450 pps->entropy_coding_sync_enabled_flag = get_bits1(gb);
|
|
|
1451
|
|
|
1452 if (pps->tiles_enabled_flag) {
|
|
|
1453 pps->num_tile_columns = get_ue_golomb_long(gb) + 1;
|
|
|
1454 pps->num_tile_rows = get_ue_golomb_long(gb) + 1;
|
|
|
1455 if (pps->num_tile_columns == 0 ||
|
|
|
1456 pps->num_tile_columns >= sps->width) {
|
|
|
1457 av_log(s->avctx, AV_LOG_ERROR, "num_tile_columns_minus1 out of range: %d\n",
|
|
|
1458 pps->num_tile_columns - 1);
|
|
|
1459 ret = AVERROR_INVALIDDATA;
|
|
|
1460 goto err;
|
|
|
1461 }
|
|
|
1462 if (pps->num_tile_rows == 0 ||
|
|
|
1463 pps->num_tile_rows >= sps->height) {
|
|
|
1464 av_log(s->avctx, AV_LOG_ERROR, "num_tile_rows_minus1 out of range: %d\n",
|
|
|
1465 pps->num_tile_rows - 1);
|
|
|
1466 ret = AVERROR_INVALIDDATA;
|
|
|
1467 goto err;
|
|
|
1468 }
|
|
|
1469
|
|
|
1470 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
|
|
|
1471 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
|
|
|
1472 if (!pps->column_width || !pps->row_height) {
|
|
|
1473 ret = AVERROR(ENOMEM);
|
|
|
1474 goto err;
|
|
|
1475 }
|
|
|
1476
|
|
|
1477 pps->uniform_spacing_flag = get_bits1(gb);
|
|
|
1478 if (!pps->uniform_spacing_flag) {
|
|
|
1479 uint64_t sum = 0;
|
|
|
1480 for (i = 0; i < pps->num_tile_columns - 1; i++) {
|
|
|
1481 pps->column_width[i] = get_ue_golomb_long(gb) + 1;
|
|
|
1482 sum += pps->column_width[i];
|
|
|
1483 }
|
|
|
1484 if (sum >= sps->ctb_width) {
|
|
|
1485 av_log(s->avctx, AV_LOG_ERROR, "Invalid tile widths.\n");
|
|
|
1486 ret = AVERROR_INVALIDDATA;
|
|
|
1487 goto err;
|
|
|
1488 }
|
|
|
1489 pps->column_width[pps->num_tile_columns - 1] = sps->ctb_width - sum;
|
|
|
1490
|
|
|
1491 sum = 0;
|
|
|
1492 for (i = 0; i < pps->num_tile_rows - 1; i++) {
|
|
|
1493 pps->row_height[i] = get_ue_golomb_long(gb) + 1;
|
|
|
1494 sum += pps->row_height[i];
|
|
|
1495 }
|
|
|
1496 if (sum >= sps->ctb_height) {
|
|
|
1497 av_log(s->avctx, AV_LOG_ERROR, "Invalid tile heights.\n");
|
|
|
1498 ret = AVERROR_INVALIDDATA;
|
|
|
1499 goto err;
|
|
|
1500 }
|
|
|
1501 pps->row_height[pps->num_tile_rows - 1] = sps->ctb_height - sum;
|
|
|
1502 }
|
|
|
1503 pps->loop_filter_across_tiles_enabled_flag = get_bits1(gb);
|
|
|
1504 }
|
|
|
1505
|
|
|
1506 pps->seq_loop_filter_across_slices_enabled_flag = get_bits1(gb);
|
|
|
1507
|
|
|
1508 pps->deblocking_filter_control_present_flag = get_bits1(gb);
|
|
|
1509 if (pps->deblocking_filter_control_present_flag) {
|
|
|
1510 pps->deblocking_filter_override_enabled_flag = get_bits1(gb);
|
|
|
1511 pps->disable_dbf = get_bits1(gb);
|
|
|
1512 if (!pps->disable_dbf) {
|
|
|
1513 pps->beta_offset = get_se_golomb(gb) * 2;
|
|
|
1514 pps->tc_offset = get_se_golomb(gb) * 2;
|
|
|
1515 if (pps->beta_offset/2 < -6 || pps->beta_offset/2 > 6) {
|
|
|
1516 av_log(s->avctx, AV_LOG_ERROR, "pps_beta_offset_div2 out of range: %d\n",
|
|
|
1517 pps->beta_offset/2);
|
|
|
1518 ret = AVERROR_INVALIDDATA;
|
|
|
1519 goto err;
|
|
|
1520 }
|
|
|
1521 if (pps->tc_offset/2 < -6 || pps->tc_offset/2 > 6) {
|
|
|
1522 av_log(s->avctx, AV_LOG_ERROR, "pps_tc_offset_div2 out of range: %d\n",
|
|
|
1523 pps->tc_offset/2);
|
|
|
1524 ret = AVERROR_INVALIDDATA;
|
|
|
1525 goto err;
|
|
|
1526 }
|
|
|
1527 }
|
|
|
1528 }
|
|
|
1529
|
|
|
1530 pps->scaling_list_data_present_flag = get_bits1(gb);
|
|
|
1531 if (pps->scaling_list_data_present_flag) {
|
|
|
1532 set_default_scaling_list_data(&pps->scaling_list);
|
|
|
1533 ret = scaling_list_data(s, &pps->scaling_list, sps);
|
|
|
1534 if (ret < 0)
|
|
|
1535 goto err;
|
|
|
1536 }
|
|
|
1537 pps->lists_modification_present_flag = get_bits1(gb);
|
|
|
1538 pps->log2_parallel_merge_level = get_ue_golomb_long(gb) + 2;
|
|
|
1539 if (pps->log2_parallel_merge_level > sps->log2_ctb_size) {
|
|
|
1540 av_log(s->avctx, AV_LOG_ERROR, "log2_parallel_merge_level_minus2 out of range: %d\n",
|
|
|
1541 pps->log2_parallel_merge_level - 2);
|
|
|
1542 ret = AVERROR_INVALIDDATA;
|
|
|
1543 goto err;
|
|
|
1544 }
|
|
|
1545
|
|
|
1546 pps->slice_header_extension_present_flag = get_bits1(gb);
|
|
|
1547
|
|
|
1548 if (get_bits1(gb)) { // pps_extension_present_flag
|
|
|
1549 int pps_range_extensions_flag = get_bits1(gb);
|
|
|
1550 /* int pps_extension_7bits = */ get_bits(gb, 7);
|
|
|
1551 if (
|
|
|
1552 #ifndef USE_MSPS
|
|
|
1553 /* XXX: check if testing the profile is correct */
|
|
|
1554 sps->ptl.general_ptl.profile_idc == FF_PROFILE_HEVC_REXT &&
|
|
|
1555 #endif
|
|
|
1556 pps_range_extensions_flag) {
|
|
|
1557 pps_range_extensions(s, pps, sps);
|
|
|
1558 }
|
|
|
1559 }
|
|
|
1560
|
|
|
1561 // Inferred parameters
|
|
|
1562 pps->col_bd = av_malloc_array(pps->num_tile_columns + 1, sizeof(*pps->col_bd));
|
|
|
1563 pps->row_bd = av_malloc_array(pps->num_tile_rows + 1, sizeof(*pps->row_bd));
|
|
|
1564 pps->col_idxX = av_malloc_array(sps->ctb_width, sizeof(*pps->col_idxX));
|
|
|
1565 if (!pps->col_bd || !pps->row_bd || !pps->col_idxX) {
|
|
|
1566 ret = AVERROR(ENOMEM);
|
|
|
1567 goto err;
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 if (pps->uniform_spacing_flag) {
|
|
|
1571 if (!pps->column_width) {
|
|
|
1572 pps->column_width = av_malloc_array(pps->num_tile_columns, sizeof(*pps->column_width));
|
|
|
1573 pps->row_height = av_malloc_array(pps->num_tile_rows, sizeof(*pps->row_height));
|
|
|
1574 }
|
|
|
1575 if (!pps->column_width || !pps->row_height) {
|
|
|
1576 ret = AVERROR(ENOMEM);
|
|
|
1577 goto err;
|
|
|
1578 }
|
|
|
1579
|
|
|
1580 for (i = 0; i < pps->num_tile_columns; i++) {
|
|
|
1581 pps->column_width[i] = ((i + 1) * sps->ctb_width) / pps->num_tile_columns -
|
|
|
1582 (i * sps->ctb_width) / pps->num_tile_columns;
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 for (i = 0; i < pps->num_tile_rows; i++) {
|
|
|
1586 pps->row_height[i] = ((i + 1) * sps->ctb_height) / pps->num_tile_rows -
|
|
|
1587 (i * sps->ctb_height) / pps->num_tile_rows;
|
|
|
1588 }
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 pps->col_bd[0] = 0;
|
|
|
1592 for (i = 0; i < pps->num_tile_columns; i++)
|
|
|
1593 pps->col_bd[i + 1] = pps->col_bd[i] + pps->column_width[i];
|
|
|
1594
|
|
|
1595 pps->row_bd[0] = 0;
|
|
|
1596 for (i = 0; i < pps->num_tile_rows; i++)
|
|
|
1597 pps->row_bd[i + 1] = pps->row_bd[i] + pps->row_height[i];
|
|
|
1598
|
|
|
1599 for (i = 0, j = 0; i < sps->ctb_width; i++) {
|
|
|
1600 if (i > pps->col_bd[j])
|
|
|
1601 j++;
|
|
|
1602 pps->col_idxX[i] = j;
|
|
|
1603 }
|
|
|
1604
|
|
|
1605 /**
|
|
|
1606 * 6.5
|
|
|
1607 */
|
|
|
1608 pic_area_in_ctbs = sps->ctb_width * sps->ctb_height;
|
|
|
1609
|
|
|
1610 pps->ctb_addr_rs_to_ts = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_rs_to_ts));
|
|
|
1611 pps->ctb_addr_ts_to_rs = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->ctb_addr_ts_to_rs));
|
|
|
1612 pps->tile_id = av_malloc_array(pic_area_in_ctbs, sizeof(*pps->tile_id));
|
|
|
1613 pps->min_tb_addr_zs_tab = av_malloc_array((sps->tb_mask+2) * (sps->tb_mask+2), sizeof(*pps->min_tb_addr_zs_tab));
|
|
|
1614 if (!pps->ctb_addr_rs_to_ts || !pps->ctb_addr_ts_to_rs ||
|
|
|
1615 !pps->tile_id || !pps->min_tb_addr_zs_tab) {
|
|
|
1616 ret = AVERROR(ENOMEM);
|
|
|
1617 goto err;
|
|
|
1618 }
|
|
|
1619
|
|
|
1620 for (ctb_addr_rs = 0; ctb_addr_rs < pic_area_in_ctbs; ctb_addr_rs++) {
|
|
|
1621 int tb_x = ctb_addr_rs % sps->ctb_width;
|
|
|
1622 int tb_y = ctb_addr_rs / sps->ctb_width;
|
|
|
1623 int tile_x = 0;
|
|
|
1624 int tile_y = 0;
|
|
|
1625 int val = 0;
|
|
|
1626
|
|
|
1627 for (i = 0; i < pps->num_tile_columns; i++) {
|
|
|
1628 if (tb_x < pps->col_bd[i + 1]) {
|
|
|
1629 tile_x = i;
|
|
|
1630 break;
|
|
|
1631 }
|
|
|
1632 }
|
|
|
1633
|
|
|
1634 for (i = 0; i < pps->num_tile_rows; i++) {
|
|
|
1635 if (tb_y < pps->row_bd[i + 1]) {
|
|
|
1636 tile_y = i;
|
|
|
1637 break;
|
|
|
1638 }
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 for (i = 0; i < tile_x; i++)
|
|
|
1642 val += pps->row_height[tile_y] * pps->column_width[i];
|
|
|
1643 for (i = 0; i < tile_y; i++)
|
|
|
1644 val += sps->ctb_width * pps->row_height[i];
|
|
|
1645
|
|
|
1646 val += (tb_y - pps->row_bd[tile_y]) * pps->column_width[tile_x] +
|
|
|
1647 tb_x - pps->col_bd[tile_x];
|
|
|
1648
|
|
|
1649 pps->ctb_addr_rs_to_ts[ctb_addr_rs] = val;
|
|
|
1650 pps->ctb_addr_ts_to_rs[val] = ctb_addr_rs;
|
|
|
1651 }
|
|
|
1652
|
|
|
1653 for (j = 0, tile_id = 0; j < pps->num_tile_rows; j++)
|
|
|
1654 for (i = 0; i < pps->num_tile_columns; i++, tile_id++)
|
|
|
1655 for (y = pps->row_bd[j]; y < pps->row_bd[j + 1]; y++)
|
|
|
1656 for (x = pps->col_bd[i]; x < pps->col_bd[i + 1]; x++)
|
|
|
1657 pps->tile_id[pps->ctb_addr_rs_to_ts[y * sps->ctb_width + x]] = tile_id;
|
|
|
1658
|
|
|
1659 pps->tile_pos_rs = av_malloc_array(tile_id, sizeof(*pps->tile_pos_rs));
|
|
|
1660 if (!pps->tile_pos_rs) {
|
|
|
1661 ret = AVERROR(ENOMEM);
|
|
|
1662 goto err;
|
|
|
1663 }
|
|
|
1664
|
|
|
1665 for (j = 0; j < pps->num_tile_rows; j++)
|
|
|
1666 for (i = 0; i < pps->num_tile_columns; i++)
|
|
|
1667 pps->tile_pos_rs[j * pps->num_tile_columns + i] = pps->row_bd[j] * sps->ctb_width + pps->col_bd[i];
|
|
|
1668
|
|
|
1669 log2_diff_ctb_min_tb_size = sps->log2_ctb_size - sps->log2_min_tb_size;
|
|
|
1670 pps->min_tb_addr_zs = &pps->min_tb_addr_zs_tab[1*(sps->tb_mask+2)+1];
|
|
|
1671 for (y = 0; y < sps->tb_mask+2; y++) {
|
|
|
1672 pps->min_tb_addr_zs_tab[y*(sps->tb_mask+2)] = -1;
|
|
|
1673 pps->min_tb_addr_zs_tab[y] = -1;
|
|
|
1674 }
|
|
|
1675 for (y = 0; y < sps->tb_mask+1; y++) {
|
|
|
1676 for (x = 0; x < sps->tb_mask+1; x++) {
|
|
|
1677 int tb_x = x >> log2_diff_ctb_min_tb_size;
|
|
|
1678 int tb_y = y >> log2_diff_ctb_min_tb_size;
|
|
|
1679 int ctb_addr_rs = sps->ctb_width * tb_y + tb_x;
|
|
|
1680 int val = pps->ctb_addr_rs_to_ts[ctb_addr_rs] <<
|
|
|
1681 (log2_diff_ctb_min_tb_size * 2);
|
|
|
1682 for (i = 0; i < log2_diff_ctb_min_tb_size; i++) {
|
|
|
1683 int m = 1 << i;
|
|
|
1684 val += (m & x ? m * m : 0) + (m & y ? 2 * m * m : 0);
|
|
|
1685 }
|
|
|
1686 pps->min_tb_addr_zs[y * (sps->tb_mask+2) + x] = val;
|
|
|
1687 }
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 if (get_bits_left(gb) < 0) {
|
|
|
1691 av_log(s->avctx, AV_LOG_ERROR,
|
|
|
1692 "Overread PPS by %d bits\n", -get_bits_left(gb));
|
|
|
1693 goto err;
|
|
|
1694 }
|
|
|
1695
|
|
|
1696 av_buffer_unref(&s->pps_list[pps_id]);
|
|
|
1697 s->pps_list[pps_id] = pps_buf;
|
|
|
1698
|
|
|
1699 return 0;
|
|
|
1700
|
|
|
1701 err:
|
|
|
1702 av_buffer_unref(&pps_buf);
|
|
|
1703 return ret;
|
|
|
1704 }
|
