GCC Code Coverage Report | |||||||||||||||||||||
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Line | Branch | Exec | Source |
1 |
/* |
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2 |
* H.26L/H.264/AVC/JVT/14496-10/... cavlc bitstream decoding |
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3 |
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
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4 |
* |
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5 |
* This file is part of FFmpeg. |
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6 |
* |
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7 |
* FFmpeg is free software; you can redistribute it and/or |
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8 |
* modify it under the terms of the GNU Lesser General Public |
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9 |
* License as published by the Free Software Foundation; either |
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10 |
* version 2.1 of the License, or (at your option) any later version. |
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11 |
* |
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12 |
* FFmpeg is distributed in the hope that it will be useful, |
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13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 |
* Lesser General Public License for more details. |
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16 |
* |
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17 |
* You should have received a copy of the GNU Lesser General Public |
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18 |
* License along with FFmpeg; if not, write to the Free Software |
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19 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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20 |
*/ |
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21 |
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22 |
/** |
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23 |
* @file |
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24 |
* H.264 / AVC / MPEG-4 part10 cavlc bitstream decoding. |
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25 |
* @author Michael Niedermayer <michaelni@gmx.at> |
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26 |
*/ |
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27 |
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28 |
#define CABAC(h) 0 |
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29 |
#define UNCHECKED_BITSTREAM_READER 1 |
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30 |
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31 |
#include "internal.h" |
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32 |
#include "avcodec.h" |
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33 |
#include "h264dec.h" |
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34 |
#include "h264_mvpred.h" |
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35 |
#include "h264data.h" |
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36 |
#include "golomb.h" |
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37 |
#include "mpegutils.h" |
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38 |
#include "libavutil/avassert.h" |
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39 |
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40 |
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41 |
static const uint8_t golomb_to_inter_cbp_gray[16]={ |
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42 |
0, 1, 2, 4, 8, 3, 5,10,12,15, 7,11,13,14, 6, 9, |
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43 |
}; |
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44 |
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45 |
static const uint8_t golomb_to_intra4x4_cbp_gray[16]={ |
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46 |
15, 0, 7,11,13,14, 3, 5,10,12, 1, 2, 4, 8, 6, 9, |
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47 |
}; |
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48 |
|||
49 |
static const uint8_t chroma_dc_coeff_token_len[4*5]={ |
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50 |
2, 0, 0, 0, |
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51 |
6, 1, 0, 0, |
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52 |
6, 6, 3, 0, |
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53 |
6, 7, 7, 6, |
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54 |
6, 8, 8, 7, |
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55 |
}; |
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56 |
|||
57 |
static const uint8_t chroma_dc_coeff_token_bits[4*5]={ |
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58 |
1, 0, 0, 0, |
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59 |
7, 1, 0, 0, |
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60 |
4, 6, 1, 0, |
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61 |
3, 3, 2, 5, |
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62 |
2, 3, 2, 0, |
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63 |
}; |
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64 |
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65 |
static const uint8_t chroma422_dc_coeff_token_len[4*9]={ |
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66 |
1, 0, 0, 0, |
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67 |
7, 2, 0, 0, |
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68 |
7, 7, 3, 0, |
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69 |
9, 7, 7, 5, |
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70 |
9, 9, 7, 6, |
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71 |
10, 10, 9, 7, |
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72 |
11, 11, 10, 7, |
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73 |
12, 12, 11, 10, |
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74 |
13, 12, 12, 11, |
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75 |
}; |
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76 |
|||
77 |
static const uint8_t chroma422_dc_coeff_token_bits[4*9]={ |
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78 |
1, 0, 0, 0, |
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79 |
15, 1, 0, 0, |
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80 |
14, 13, 1, 0, |
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81 |
7, 12, 11, 1, |
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82 |
6, 5, 10, 1, |
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83 |
7, 6, 4, 9, |
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84 |
7, 6, 5, 8, |
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85 |
7, 6, 5, 4, |
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86 |
7, 5, 4, 4, |
||
87 |
}; |
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88 |
|||
89 |
static const uint8_t coeff_token_len[4][4*17]={ |
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90 |
{ |
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91 |
1, 0, 0, 0, |
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92 |
6, 2, 0, 0, 8, 6, 3, 0, 9, 8, 7, 5, 10, 9, 8, 6, |
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93 |
11,10, 9, 7, 13,11,10, 8, 13,13,11, 9, 13,13,13,10, |
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94 |
14,14,13,11, 14,14,14,13, 15,15,14,14, 15,15,15,14, |
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95 |
16,15,15,15, 16,16,16,15, 16,16,16,16, 16,16,16,16, |
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96 |
}, |
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97 |
{ |
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98 |
2, 0, 0, 0, |
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99 |
6, 2, 0, 0, 6, 5, 3, 0, 7, 6, 6, 4, 8, 6, 6, 4, |
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100 |
8, 7, 7, 5, 9, 8, 8, 6, 11, 9, 9, 6, 11,11,11, 7, |
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101 |
12,11,11, 9, 12,12,12,11, 12,12,12,11, 13,13,13,12, |
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102 |
13,13,13,13, 13,14,13,13, 14,14,14,13, 14,14,14,14, |
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103 |
}, |
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104 |
{ |
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105 |
4, 0, 0, 0, |
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106 |
6, 4, 0, 0, 6, 5, 4, 0, 6, 5, 5, 4, 7, 5, 5, 4, |
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107 |
7, 5, 5, 4, 7, 6, 6, 4, 7, 6, 6, 4, 8, 7, 7, 5, |
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108 |
8, 8, 7, 6, 9, 8, 8, 7, 9, 9, 8, 8, 9, 9, 9, 8, |
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109 |
10, 9, 9, 9, 10,10,10,10, 10,10,10,10, 10,10,10,10, |
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110 |
}, |
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111 |
{ |
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112 |
6, 0, 0, 0, |
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113 |
6, 6, 0, 0, 6, 6, 6, 0, 6, 6, 6, 6, 6, 6, 6, 6, |
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114 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
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115 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
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116 |
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
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117 |
} |
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118 |
}; |
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119 |
|||
120 |
static const uint8_t coeff_token_bits[4][4*17]={ |
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121 |
{ |
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122 |
1, 0, 0, 0, |
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123 |
5, 1, 0, 0, 7, 4, 1, 0, 7, 6, 5, 3, 7, 6, 5, 3, |
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124 |
7, 6, 5, 4, 15, 6, 5, 4, 11,14, 5, 4, 8,10,13, 4, |
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125 |
15,14, 9, 4, 11,10,13,12, 15,14, 9,12, 11,10,13, 8, |
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126 |
15, 1, 9,12, 11,14,13, 8, 7,10, 9,12, 4, 6, 5, 8, |
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127 |
}, |
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128 |
{ |
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129 |
3, 0, 0, 0, |
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130 |
11, 2, 0, 0, 7, 7, 3, 0, 7,10, 9, 5, 7, 6, 5, 4, |
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131 |
4, 6, 5, 6, 7, 6, 5, 8, 15, 6, 5, 4, 11,14,13, 4, |
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132 |
15,10, 9, 4, 11,14,13,12, 8,10, 9, 8, 15,14,13,12, |
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133 |
11,10, 9,12, 7,11, 6, 8, 9, 8,10, 1, 7, 6, 5, 4, |
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134 |
}, |
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135 |
{ |
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136 |
15, 0, 0, 0, |
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137 |
15,14, 0, 0, 11,15,13, 0, 8,12,14,12, 15,10,11,11, |
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138 |
11, 8, 9,10, 9,14,13, 9, 8,10, 9, 8, 15,14,13,13, |
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139 |
11,14,10,12, 15,10,13,12, 11,14, 9,12, 8,10,13, 8, |
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140 |
13, 7, 9,12, 9,12,11,10, 5, 8, 7, 6, 1, 4, 3, 2, |
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141 |
}, |
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142 |
{ |
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143 |
3, 0, 0, 0, |
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144 |
0, 1, 0, 0, 4, 5, 6, 0, 8, 9,10,11, 12,13,14,15, |
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145 |
16,17,18,19, 20,21,22,23, 24,25,26,27, 28,29,30,31, |
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146 |
32,33,34,35, 36,37,38,39, 40,41,42,43, 44,45,46,47, |
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147 |
48,49,50,51, 52,53,54,55, 56,57,58,59, 60,61,62,63, |
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148 |
} |
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149 |
}; |
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150 |
|||
151 |
static const uint8_t total_zeros_len[16][16]= { |
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152 |
{1,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9}, |
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153 |
{3,3,3,3,3,4,4,4,4,5,5,6,6,6,6}, |
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154 |
{4,3,3,3,4,4,3,3,4,5,5,6,5,6}, |
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155 |
{5,3,4,4,3,3,3,4,3,4,5,5,5}, |
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156 |
{4,4,4,3,3,3,3,3,4,5,4,5}, |
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157 |
{6,5,3,3,3,3,3,3,4,3,6}, |
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158 |
{6,5,3,3,3,2,3,4,3,6}, |
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159 |
{6,4,5,3,2,2,3,3,6}, |
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160 |
{6,6,4,2,2,3,2,5}, |
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161 |
{5,5,3,2,2,2,4}, |
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162 |
{4,4,3,3,1,3}, |
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163 |
{4,4,2,1,3}, |
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164 |
{3,3,1,2}, |
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165 |
{2,2,1}, |
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166 |
{1,1}, |
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167 |
}; |
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168 |
|||
169 |
static const uint8_t total_zeros_bits[16][16]= { |
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170 |
{1,3,2,3,2,3,2,3,2,3,2,3,2,3,2,1}, |
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171 |
{7,6,5,4,3,5,4,3,2,3,2,3,2,1,0}, |
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172 |
{5,7,6,5,4,3,4,3,2,3,2,1,1,0}, |
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173 |
{3,7,5,4,6,5,4,3,3,2,2,1,0}, |
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174 |
{5,4,3,7,6,5,4,3,2,1,1,0}, |
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175 |
{1,1,7,6,5,4,3,2,1,1,0}, |
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176 |
{1,1,5,4,3,3,2,1,1,0}, |
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177 |
{1,1,1,3,3,2,2,1,0}, |
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178 |
{1,0,1,3,2,1,1,1}, |
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179 |
{1,0,1,3,2,1,1}, |
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180 |
{0,1,1,2,1,3}, |
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181 |
{0,1,1,1,1}, |
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182 |
{0,1,1,1}, |
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183 |
{0,1,1}, |
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184 |
{0,1}, |
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185 |
}; |
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186 |
|||
187 |
static const uint8_t chroma_dc_total_zeros_len[3][4]= { |
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188 |
{ 1, 2, 3, 3,}, |
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189 |
{ 1, 2, 2, 0,}, |
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190 |
{ 1, 1, 0, 0,}, |
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191 |
}; |
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192 |
|||
193 |
static const uint8_t chroma_dc_total_zeros_bits[3][4]= { |
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194 |
{ 1, 1, 1, 0,}, |
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195 |
{ 1, 1, 0, 0,}, |
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196 |
{ 1, 0, 0, 0,}, |
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197 |
}; |
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198 |
|||
199 |
static const uint8_t chroma422_dc_total_zeros_len[7][8]= { |
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200 |
{ 1, 3, 3, 4, 4, 4, 5, 5 }, |
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201 |
{ 3, 2, 3, 3, 3, 3, 3 }, |
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202 |
{ 3, 3, 2, 2, 3, 3 }, |
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203 |
{ 3, 2, 2, 2, 3 }, |
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204 |
{ 2, 2, 2, 2 }, |
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205 |
{ 2, 2, 1 }, |
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206 |
{ 1, 1 }, |
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207 |
}; |
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208 |
|||
209 |
static const uint8_t chroma422_dc_total_zeros_bits[7][8]= { |
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210 |
{ 1, 2, 3, 2, 3, 1, 1, 0 }, |
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211 |
{ 0, 1, 1, 4, 5, 6, 7 }, |
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212 |
{ 0, 1, 1, 2, 6, 7 }, |
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213 |
{ 6, 0, 1, 2, 7 }, |
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214 |
{ 0, 1, 2, 3 }, |
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215 |
{ 0, 1, 1 }, |
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216 |
{ 0, 1 }, |
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217 |
}; |
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218 |
|||
219 |
static const uint8_t run_len[7][16]={ |
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220 |
{1,1}, |
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221 |
{1,2,2}, |
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222 |
{2,2,2,2}, |
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223 |
{2,2,2,3,3}, |
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224 |
{2,2,3,3,3,3}, |
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225 |
{2,3,3,3,3,3,3}, |
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226 |
{3,3,3,3,3,3,3,4,5,6,7,8,9,10,11}, |
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227 |
}; |
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228 |
|||
229 |
static const uint8_t run_bits[7][16]={ |
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230 |
{1,0}, |
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231 |
{1,1,0}, |
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232 |
{3,2,1,0}, |
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233 |
{3,2,1,1,0}, |
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234 |
{3,2,3,2,1,0}, |
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235 |
{3,0,1,3,2,5,4}, |
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236 |
{7,6,5,4,3,2,1,1,1,1,1,1,1,1,1}, |
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237 |
}; |
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238 |
|||
239 |
static VLC coeff_token_vlc[4]; |
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240 |
static VLC_TYPE coeff_token_vlc_tables[520+332+280+256][2]; |
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241 |
static const int coeff_token_vlc_tables_size[4]={520,332,280,256}; |
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242 |
|||
243 |
static VLC chroma_dc_coeff_token_vlc; |
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244 |
static VLC_TYPE chroma_dc_coeff_token_vlc_table[256][2]; |
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245 |
static const int chroma_dc_coeff_token_vlc_table_size = 256; |
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246 |
|||
247 |
static VLC chroma422_dc_coeff_token_vlc; |
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248 |
static VLC_TYPE chroma422_dc_coeff_token_vlc_table[8192][2]; |
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249 |
static const int chroma422_dc_coeff_token_vlc_table_size = 8192; |
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250 |
|||
251 |
static VLC total_zeros_vlc[15+1]; |
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252 |
static VLC_TYPE total_zeros_vlc_tables[15][512][2]; |
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253 |
static const int total_zeros_vlc_tables_size = 512; |
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254 |
|||
255 |
static VLC chroma_dc_total_zeros_vlc[3+1]; |
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256 |
static VLC_TYPE chroma_dc_total_zeros_vlc_tables[3][8][2]; |
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257 |
static const int chroma_dc_total_zeros_vlc_tables_size = 8; |
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258 |
|||
259 |
static VLC chroma422_dc_total_zeros_vlc[7+1]; |
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260 |
static VLC_TYPE chroma422_dc_total_zeros_vlc_tables[7][32][2]; |
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261 |
static const int chroma422_dc_total_zeros_vlc_tables_size = 32; |
||
262 |
|||
263 |
static VLC run_vlc[6+1]; |
||
264 |
static VLC_TYPE run_vlc_tables[6][8][2]; |
||
265 |
static const int run_vlc_tables_size = 8; |
||
266 |
|||
267 |
static VLC run7_vlc; |
||
268 |
static VLC_TYPE run7_vlc_table[96][2]; |
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269 |
static const int run7_vlc_table_size = 96; |
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270 |
|||
271 |
#define LEVEL_TAB_BITS 8 |
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272 |
static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2]; |
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273 |
|||
274 |
#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8 |
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275 |
#define CHROMA422_DC_COEFF_TOKEN_VLC_BITS 13 |
||
276 |
#define COEFF_TOKEN_VLC_BITS 8 |
||
277 |
#define TOTAL_ZEROS_VLC_BITS 9 |
||
278 |
#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3 |
||
279 |
#define CHROMA422_DC_TOTAL_ZEROS_VLC_BITS 5 |
||
280 |
#define RUN_VLC_BITS 3 |
||
281 |
#define RUN7_VLC_BITS 6 |
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282 |
|||
283 |
/** |
||
284 |
* Get the predicted number of non-zero coefficients. |
||
285 |
* @param n block index |
||
286 |
*/ |
||
287 |
41953051 |
static inline int pred_non_zero_count(const H264Context *h, H264SliceContext *sl, int n) |
|
288 |
{ |
||
289 |
41953051 |
const int index8= scan8[n]; |
|
290 |
41953051 |
const int left = sl->non_zero_count_cache[index8 - 1]; |
|
291 |
41953051 |
const int top = sl->non_zero_count_cache[index8 - 8]; |
|
292 |
41953051 |
int i= left + top; |
|
293 |
|||
294 |
✓✓ | 41953051 |
if(i<64) i= (i+1)>>1; |
295 |
|||
296 |
ff_tlog(h->avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31); |
||
297 |
|||
298 |
41953051 |
return i&31; |
|
299 |
} |
||
300 |
|||
301 |
287 |
static av_cold void init_cavlc_level_tab(void){ |
|
302 |
int suffix_length; |
||
303 |
unsigned int i; |
||
304 |
|||
305 |
✓✓ | 2296 |
for(suffix_length=0; suffix_length<7; suffix_length++){ |
306 |
✓✓ | 516313 |
for(i=0; i<(1<<LEVEL_TAB_BITS); i++){ |
307 |
514304 |
int prefix= LEVEL_TAB_BITS - av_log2(2*i); |
|
308 |
|||
309 |
✓✓ | 514304 |
if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){ |
310 |
477855 |
int level_code = (prefix << suffix_length) + |
|
311 |
477855 |
(i >> (av_log2(i) - suffix_length)) - (1 << suffix_length); |
|
312 |
477855 |
int mask = -(level_code&1); |
|
313 |
477855 |
level_code = (((2 + level_code) >> 1) ^ mask) - mask; |
|
314 |
477855 |
cavlc_level_tab[suffix_length][i][0]= level_code; |
|
315 |
477855 |
cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length; |
|
316 |
✓✓ | 36449 |
}else if(prefix + 1 <= LEVEL_TAB_BITS){ |
317 |
34440 |
cavlc_level_tab[suffix_length][i][0]= prefix+100; |
|
318 |
34440 |
cavlc_level_tab[suffix_length][i][1]= prefix + 1; |
|
319 |
}else{ |
||
320 |
2009 |
cavlc_level_tab[suffix_length][i][0]= LEVEL_TAB_BITS+100; |
|
321 |
2009 |
cavlc_level_tab[suffix_length][i][1]= LEVEL_TAB_BITS; |
|
322 |
} |
||
323 |
} |
||
324 |
} |
||
325 |
287 |
} |
|
326 |
|||
327 |
287 |
av_cold void ff_h264_decode_init_vlc(void){ |
|
328 |
static int done = 0; |
||
329 |
|||
330 |
✓✗ | 287 |
if (!done) { |
331 |
int i; |
||
332 |
int offset; |
||
333 |
287 |
done = 1; |
|
334 |
|||
335 |
287 |
chroma_dc_coeff_token_vlc.table = chroma_dc_coeff_token_vlc_table; |
|
336 |
287 |
chroma_dc_coeff_token_vlc.table_allocated = chroma_dc_coeff_token_vlc_table_size; |
|
337 |
287 |
init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5, |
|
338 |
&chroma_dc_coeff_token_len [0], 1, 1, |
||
339 |
&chroma_dc_coeff_token_bits[0], 1, 1, |
||
340 |
INIT_VLC_USE_NEW_STATIC); |
||
341 |
|||
342 |
287 |
chroma422_dc_coeff_token_vlc.table = chroma422_dc_coeff_token_vlc_table; |
|
343 |
287 |
chroma422_dc_coeff_token_vlc.table_allocated = chroma422_dc_coeff_token_vlc_table_size; |
|
344 |
287 |
init_vlc(&chroma422_dc_coeff_token_vlc, CHROMA422_DC_COEFF_TOKEN_VLC_BITS, 4*9, |
|
345 |
&chroma422_dc_coeff_token_len [0], 1, 1, |
||
346 |
&chroma422_dc_coeff_token_bits[0], 1, 1, |
||
347 |
INIT_VLC_USE_NEW_STATIC); |
||
348 |
|||
349 |
287 |
offset = 0; |
|
350 |
✓✓ | 1435 |
for(i=0; i<4; i++){ |
351 |
1148 |
coeff_token_vlc[i].table = coeff_token_vlc_tables+offset; |
|
352 |
1148 |
coeff_token_vlc[i].table_allocated = coeff_token_vlc_tables_size[i]; |
|
353 |
1148 |
init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17, |
|
354 |
&coeff_token_len [i][0], 1, 1, |
||
355 |
&coeff_token_bits[i][0], 1, 1, |
||
356 |
INIT_VLC_USE_NEW_STATIC); |
||
357 |
1148 |
offset += coeff_token_vlc_tables_size[i]; |
|
358 |
} |
||
359 |
/* |
||
360 |
* This is a one time safety check to make sure that |
||
361 |
* the packed static coeff_token_vlc table sizes |
||
362 |
* were initialized correctly. |
||
363 |
*/ |
||
364 |
✗✓ | 287 |
av_assert0(offset == FF_ARRAY_ELEMS(coeff_token_vlc_tables)); |
365 |
|||
366 |
✓✓ | 1148 |
for(i=0; i<3; i++){ |
367 |
861 |
chroma_dc_total_zeros_vlc[i+1].table = chroma_dc_total_zeros_vlc_tables[i]; |
|
368 |
861 |
chroma_dc_total_zeros_vlc[i+1].table_allocated = chroma_dc_total_zeros_vlc_tables_size; |
|
369 |
861 |
init_vlc(&chroma_dc_total_zeros_vlc[i+1], |
|
370 |
CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4, |
||
371 |
&chroma_dc_total_zeros_len [i][0], 1, 1, |
||
372 |
&chroma_dc_total_zeros_bits[i][0], 1, 1, |
||
373 |
INIT_VLC_USE_NEW_STATIC); |
||
374 |
} |
||
375 |
|||
376 |
✓✓ | 2296 |
for(i=0; i<7; i++){ |
377 |
2009 |
chroma422_dc_total_zeros_vlc[i+1].table = chroma422_dc_total_zeros_vlc_tables[i]; |
|
378 |
2009 |
chroma422_dc_total_zeros_vlc[i+1].table_allocated = chroma422_dc_total_zeros_vlc_tables_size; |
|
379 |
2009 |
init_vlc(&chroma422_dc_total_zeros_vlc[i+1], |
|
380 |
CHROMA422_DC_TOTAL_ZEROS_VLC_BITS, 8, |
||
381 |
&chroma422_dc_total_zeros_len [i][0], 1, 1, |
||
382 |
&chroma422_dc_total_zeros_bits[i][0], 1, 1, |
||
383 |
INIT_VLC_USE_NEW_STATIC); |
||
384 |
} |
||
385 |
|||
386 |
✓✓ | 4592 |
for(i=0; i<15; i++){ |
387 |
4305 |
total_zeros_vlc[i+1].table = total_zeros_vlc_tables[i]; |
|
388 |
4305 |
total_zeros_vlc[i+1].table_allocated = total_zeros_vlc_tables_size; |
|
389 |
4305 |
init_vlc(&total_zeros_vlc[i+1], |
|
390 |
TOTAL_ZEROS_VLC_BITS, 16, |
||
391 |
&total_zeros_len [i][0], 1, 1, |
||
392 |
&total_zeros_bits[i][0], 1, 1, |
||
393 |
INIT_VLC_USE_NEW_STATIC); |
||
394 |
} |
||
395 |
|||
396 |
✓✓ | 2009 |
for(i=0; i<6; i++){ |
397 |
1722 |
run_vlc[i+1].table = run_vlc_tables[i]; |
|
398 |
1722 |
run_vlc[i+1].table_allocated = run_vlc_tables_size; |
|
399 |
1722 |
init_vlc(&run_vlc[i+1], |
|
400 |
RUN_VLC_BITS, 7, |
||
401 |
&run_len [i][0], 1, 1, |
||
402 |
&run_bits[i][0], 1, 1, |
||
403 |
INIT_VLC_USE_NEW_STATIC); |
||
404 |
} |
||
405 |
287 |
run7_vlc.table = run7_vlc_table, |
|
406 |
287 |
run7_vlc.table_allocated = run7_vlc_table_size; |
|
407 |
287 |
init_vlc(&run7_vlc, RUN7_VLC_BITS, 16, |
|
408 |
&run_len [6][0], 1, 1, |
||
409 |
&run_bits[6][0], 1, 1, |
||
410 |
INIT_VLC_USE_NEW_STATIC); |
||
411 |
|||
412 |
287 |
init_cavlc_level_tab(); |
|
413 |
} |
||
414 |
287 |
} |
|
415 |
|||
416 |
683047 |
static inline int get_level_prefix(GetBitContext *gb){ |
|
417 |
unsigned int buf; |
||
418 |
int log; |
||
419 |
|||
420 |
683047 |
OPEN_READER(re, gb); |
|
421 |
683047 |
UPDATE_CACHE(re, gb); |
|
422 |
683047 |
buf=GET_CACHE(re, gb); |
|
423 |
|||
424 |
683047 |
log= 32 - av_log2(buf); |
|
425 |
|||
426 |
683047 |
LAST_SKIP_BITS(re, gb, log); |
|
427 |
683047 |
CLOSE_READER(re, gb); |
|
428 |
|||
429 |
683047 |
return log-1; |
|
430 |
} |
||
431 |
|||
432 |
/** |
||
433 |
* Decode a residual block. |
||
434 |
* @param n block index |
||
435 |
* @param scantable scantable |
||
436 |
* @param max_coeff number of coefficients in the block |
||
437 |
* @return <0 if an error occurred |
||
438 |
*/ |
||
439 |
45088163 |
static int decode_residual(const H264Context *h, H264SliceContext *sl, |
|
440 |
GetBitContext *gb, int16_t *block, int n, |
||
441 |
const uint8_t *scantable, const uint32_t *qmul, |
||
442 |
int max_coeff) |
||
443 |
{ |
||
444 |
static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3}; |
||
445 |
int level[16]; |
||
446 |
int zeros_left, coeff_token, total_coeff, i, trailing_ones, run_before; |
||
447 |
|||
448 |
//FIXME put trailing_onex into the context |
||
449 |
|||
450 |
✓✓ | 45088163 |
if(max_coeff <= 8){ |
451 |
✓✓ | 3135112 |
if (max_coeff == 4) |
452 |
2556054 |
coeff_token = get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1); |
|
453 |
else |
||
454 |
579058 |
coeff_token = get_vlc2(gb, chroma422_dc_coeff_token_vlc.table, CHROMA422_DC_COEFF_TOKEN_VLC_BITS, 1); |
|
455 |
3135112 |
total_coeff= coeff_token>>2; |
|
456 |
}else{ |
||
457 |
✓✓ | 41953051 |
if(n >= LUMA_DC_BLOCK_INDEX){ |
458 |
210603 |
total_coeff= pred_non_zero_count(h, sl, (n - LUMA_DC_BLOCK_INDEX)*16); |
|
459 |
210603 |
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); |
|
460 |
210603 |
total_coeff= coeff_token>>2; |
|
461 |
}else{ |
||
462 |
41742448 |
total_coeff= pred_non_zero_count(h, sl, n); |
|
463 |
41742448 |
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); |
|
464 |
41742448 |
total_coeff= coeff_token>>2; |
|
465 |
} |
||
466 |
} |
||
467 |
45088163 |
sl->non_zero_count_cache[scan8[n]] = total_coeff; |
|
468 |
|||
469 |
//FIXME set last_non_zero? |
||
470 |
|||
471 |
✓✓ | 45088163 |
if(total_coeff==0) |
472 |
15668411 |
return 0; |
|
473 |
✗✓ | 29419752 |
if(total_coeff > (unsigned)max_coeff) { |
474 |
av_log(h->avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", sl->mb_x, sl->mb_y, total_coeff); |
||
475 |
return -1; |
||
476 |
} |
||
477 |
|||
478 |
29419752 |
trailing_ones= coeff_token&3; |
|
479 |
ff_tlog(h->avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff); |
||
480 |
av_assert2(total_coeff<=16); |
||
481 |
|||
482 |
29419752 |
i = show_bits(gb, 3); |
|
483 |
29419752 |
skip_bits(gb, trailing_ones); |
|
484 |
29419752 |
level[0] = 1-((i&4)>>1); |
|
485 |
29419752 |
level[1] = 1-((i&2) ); |
|
486 |
29419752 |
level[2] = 1-((i&1)<<1); |
|
487 |
|||
488 |
✓✓ | 29419752 |
if(trailing_ones<total_coeff) { |
489 |
int mask, prefix; |
||
490 |
13389894 |
int suffix_length = total_coeff > 10 & trailing_ones < 3; |
|
491 |
13389894 |
int bitsi= show_bits(gb, LEVEL_TAB_BITS); |
|
492 |
13389894 |
int level_code= cavlc_level_tab[suffix_length][bitsi][0]; |
|
493 |
|||
494 |
13389894 |
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); |
|
495 |
✓✓ | 13389894 |
if(level_code >= 100){ |
496 |
305379 |
prefix= level_code - 100; |
|
497 |
✓✓ | 305379 |
if(prefix == LEVEL_TAB_BITS) |
498 |
301644 |
prefix += get_level_prefix(gb); |
|
499 |
|||
500 |
//first coefficient has suffix_length equal to 0 or 1 |
||
501 |
✓✓ | 305379 |
if(prefix<14){ //FIXME try to build a large unified VLC table for all this |
502 |
✓✓ | 184421 |
if(suffix_length) |
503 |
12209 |
level_code= (prefix<<1) + get_bits1(gb); //part |
|
504 |
else |
||
505 |
172212 |
level_code= prefix; //part |
|
506 |
✓✓ | 120958 |
}else if(prefix==14){ |
507 |
✓✓ | 55311 |
if(suffix_length) |
508 |
536 |
level_code= (prefix<<1) + get_bits1(gb); //part |
|
509 |
else |
||
510 |
54775 |
level_code= prefix + get_bits(gb, 4); //part |
|
511 |
}else{ |
||
512 |
65647 |
level_code= 30; |
|
513 |
✓✓ | 65647 |
if(prefix>=16){ |
514 |
✗✓ | 24 |
if(prefix > 25+3){ |
515 |
av_log(h->avctx, AV_LOG_ERROR, "Invalid level prefix\n"); |
||
516 |
return -1; |
||
517 |
} |
||
518 |
24 |
level_code += (1<<(prefix-3))-4096; |
|
519 |
} |
||
520 |
65647 |
level_code += get_bits(gb, prefix-3); //part |
|
521 |
} |
||
522 |
|||
523 |
✓✓ | 305379 |
if(trailing_ones < 3) level_code += 2; |
524 |
|||
525 |
305379 |
suffix_length = 2; |
|
526 |
305379 |
mask= -(level_code&1); |
|
527 |
305379 |
level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask; |
|
528 |
}else{ |
||
529 |
13084515 |
level_code += ((level_code>>31)|1) & -(trailing_ones < 3); |
|
530 |
|||
531 |
✓✓ | 13084515 |
suffix_length = 1 + (level_code + 3U > 6U); |
532 |
13084515 |
level[trailing_ones]= level_code; |
|
533 |
} |
||
534 |
|||
535 |
//remaining coefficients have suffix_length > 0 |
||
536 |
✓✓ | 51569106 |
for(i=trailing_ones+1;i<total_coeff;i++) { |
537 |
static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX }; |
||
538 |
38179212 |
int bitsi= show_bits(gb, LEVEL_TAB_BITS); |
|
539 |
38179212 |
level_code= cavlc_level_tab[suffix_length][bitsi][0]; |
|
540 |
|||
541 |
38179212 |
skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); |
|
542 |
✓✓ | 38179212 |
if(level_code >= 100){ |
543 |
765472 |
prefix= level_code - 100; |
|
544 |
✓✓ | 765472 |
if(prefix == LEVEL_TAB_BITS){ |
545 |
381403 |
prefix += get_level_prefix(gb); |
|
546 |
} |
||
547 |
✓✓ | 765472 |
if(prefix<15){ |
548 |
702286 |
level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length); |
|
549 |
}else{ |
||
550 |
63186 |
level_code = 15<<suffix_length; |
|
551 |
✓✓ | 63186 |
if (prefix>=16) { |
552 |
✗✓ | 4 |
if(prefix > 25+3){ |
553 |
av_log(h->avctx, AV_LOG_ERROR, "Invalid level prefix\n"); |
||
554 |
return AVERROR_INVALIDDATA; |
||
555 |
} |
||
556 |
4 |
level_code += (1<<(prefix-3))-4096; |
|
557 |
} |
||
558 |
63186 |
level_code += get_bits(gb, prefix-3); |
|
559 |
} |
||
560 |
765472 |
mask= -(level_code&1); |
|
561 |
765472 |
level_code= (((2+level_code)>>1) ^ mask) - mask; |
|
562 |
} |
||
563 |
38179212 |
level[i]= level_code; |
|
564 |
38179212 |
suffix_length+= suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length]; |
|
565 |
} |
||
566 |
} |
||
567 |
|||
568 |
✓✓ | 29419752 |
if(total_coeff == max_coeff) |
569 |
291828 |
zeros_left=0; |
|
570 |
else{ |
||
571 |
✓✓ | 29127924 |
if (max_coeff <= 8) { |
572 |
✓✓ | 1867388 |
if (max_coeff == 4) |
573 |
1410006 |
zeros_left = get_vlc2(gb, chroma_dc_total_zeros_vlc[total_coeff].table, |
|
574 |
CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1); |
||
575 |
else |
||
576 |
457382 |
zeros_left = get_vlc2(gb, chroma422_dc_total_zeros_vlc[total_coeff].table, |
|
577 |
CHROMA422_DC_TOTAL_ZEROS_VLC_BITS, 1); |
||
578 |
} else { |
||
579 |
27260536 |
zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff ].table, TOTAL_ZEROS_VLC_BITS, 1); |
|
580 |
} |
||
581 |
} |
||
582 |
|||
583 |
#define STORE_BLOCK(type) \ |
||
584 |
scantable += zeros_left + total_coeff - 1; \ |
||
585 |
if(n >= LUMA_DC_BLOCK_INDEX){ \ |
||
586 |
((type*)block)[*scantable] = level[0]; \ |
||
587 |
for(i=1;i<total_coeff && zeros_left > 0;i++) { \ |
||
588 |
if(zeros_left < 7) \ |
||
589 |
run_before= get_vlc2(gb, run_vlc[zeros_left].table, RUN_VLC_BITS, 1); \ |
||
590 |
else \ |
||
591 |
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \ |
||
592 |
zeros_left -= run_before; \ |
||
593 |
scantable -= 1 + run_before; \ |
||
594 |
((type*)block)[*scantable]= level[i]; \ |
||
595 |
} \ |
||
596 |
for(;i<total_coeff;i++) { \ |
||
597 |
scantable--; \ |
||
598 |
((type*)block)[*scantable]= level[i]; \ |
||
599 |
} \ |
||
600 |
}else{ \ |
||
601 |
((type*)block)[*scantable] = ((int)(level[0] * qmul[*scantable] + 32))>>6; \ |
||
602 |
for(i=1;i<total_coeff && zeros_left > 0;i++) { \ |
||
603 |
if(zeros_left < 7) \ |
||
604 |
run_before= get_vlc2(gb, run_vlc[zeros_left].table, RUN_VLC_BITS, 1); \ |
||
605 |
else \ |
||
606 |
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \ |
||
607 |
zeros_left -= run_before; \ |
||
608 |
scantable -= 1 + run_before; \ |
||
609 |
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \ |
||
610 |
} \ |
||
611 |
for(;i<total_coeff;i++) { \ |
||
612 |
scantable--; \ |
||
613 |
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \ |
||
614 |
} \ |
||
615 |
} |
||
616 |
|||
617 |
✓✓ | 29419752 |
if (h->pixel_shift) { |
618 |
✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓ |
37564146 |
STORE_BLOCK(int32_t) |
619 |
} else { |
||
620 |
✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓ |
62415682 |
STORE_BLOCK(int16_t) |
621 |
} |
||
622 |
|||
623 |
✗✓ | 29419752 |
if(zeros_left<0){ |
624 |
av_log(h->avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", sl->mb_x, sl->mb_y); |
||
625 |
return -1; |
||
626 |
} |
||
627 |
|||
628 |
29419752 |
return 0; |
|
629 |
} |
||
630 |
|||
631 |
static av_always_inline |
||
632 |
2806644 |
int decode_luma_residual(const H264Context *h, H264SliceContext *sl, |
|
633 |
GetBitContext *gb, const uint8_t *scan, |
||
634 |
const uint8_t *scan8x8, int pixel_shift, |
||
635 |
int mb_type, int cbp, int p) |
||
636 |
{ |
||
637 |
int i4x4, i8x8; |
||
638 |
✓✗ | 2806644 |
int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1]; |
639 |
✓✓ | 2806644 |
if(IS_INTRA16x16(mb_type)){ |
640 |
210603 |
AV_ZERO128(sl->mb_luma_dc[p]+0); |
|
641 |
210603 |
AV_ZERO128(sl->mb_luma_dc[p]+8); |
|
642 |
210603 |
AV_ZERO128(sl->mb_luma_dc[p]+16); |
|
643 |
210603 |
AV_ZERO128(sl->mb_luma_dc[p]+24); |
|
644 |
✗✓ | 210603 |
if (decode_residual(h, sl, gb, sl->mb_luma_dc[p], LUMA_DC_BLOCK_INDEX + p, scan, NULL, 16) < 0) { |
645 |
return -1; //FIXME continue if partitioned and other return -1 too |
||
646 |
} |
||
647 |
|||
648 |
av_assert2((cbp&15) == 0 || (cbp&15) == 15); |
||
649 |
|||
650 |
✓✓ | 210603 |
if(cbp&15){ |
651 |
✓✓ | 473030 |
for(i8x8=0; i8x8<4; i8x8++){ |
652 |
✓✓ | 1892120 |
for(i4x4=0; i4x4<4; i4x4++){ |
653 |
1513696 |
const int index= i4x4 + 4*i8x8 + p*16; |
|
654 |
✗✓ | 1513696 |
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), |
655 |
1513696 |
index, scan + 1, h->ps.pps->dequant4_coeff[p][qscale], 15) < 0 ){ |
|
656 |
return -1; |
||
657 |
} |
||
658 |
} |
||
659 |
} |
||
660 |
94606 |
return 0xf; |
|
661 |
}else{ |
||
662 |
115997 |
fill_rectangle(&sl->non_zero_count_cache[scan8[p*16]], 4, 4, 8, 0, 1); |
|
663 |
115997 |
return 0; |
|
664 |
} |
||
665 |
}else{ |
||
666 |
✓✓ | 2596041 |
int cqm = (IS_INTRA( mb_type ) ? 0:3)+p; |
667 |
/* For CAVLC 4:4:4, we need to keep track of the luma 8x8 CBP for deblocking nnz purposes. */ |
||
668 |
2596041 |
int new_cbp = 0; |
|
669 |
✓✓ | 12980205 |
for(i8x8=0; i8x8<4; i8x8++){ |
670 |
✓✓ | 10384164 |
if(cbp & (1<<i8x8)){ |
671 |
✓✓ | 7657176 |
if(IS_8x8DCT(mb_type)){ |
672 |
2320357 |
int16_t *buf = &sl->mb[64*i8x8+256*p << pixel_shift]; |
|
673 |
uint8_t *nnz; |
||
674 |
✓✓ | 11601785 |
for(i4x4=0; i4x4<4; i4x4++){ |
675 |
9281428 |
const int index= i4x4 + 4*i8x8 + p*16; |
|
676 |
✗✓ | 9281428 |
if( decode_residual(h, sl, gb, buf, index, scan8x8+16*i4x4, |
677 |
9281428 |
h->ps.pps->dequant8_coeff[cqm][qscale], 16) < 0 ) |
|
678 |
return -1; |
||
679 |
} |
||
680 |
2320357 |
nnz = &sl->non_zero_count_cache[scan8[4 * i8x8 + p * 16]]; |
|
681 |
2320357 |
nnz[0] += nnz[1] + nnz[8] + nnz[9]; |
|
682 |
2320357 |
new_cbp |= !!nnz[0] << i8x8; |
|
683 |
}else{ |
||
684 |
✓✓ | 26684095 |
for(i4x4=0; i4x4<4; i4x4++){ |
685 |
21347276 |
const int index= i4x4 + 4*i8x8 + p*16; |
|
686 |
✗✓ | 21347276 |
if( decode_residual(h, sl, gb, sl->mb + (16*index << pixel_shift), index, |
687 |
21347276 |
scan, h->ps.pps->dequant4_coeff[cqm][qscale], 16) < 0 ){ |
|
688 |
return -1; |
||
689 |
} |
||
690 |
21347276 |
new_cbp |= sl->non_zero_count_cache[scan8[index]] << i8x8; |
|
691 |
} |
||
692 |
} |
||
693 |
}else{ |
||
694 |
2726988 |
uint8_t * const nnz = &sl->non_zero_count_cache[scan8[4 * i8x8 + p * 16]]; |
|
695 |
2726988 |
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; |
|
696 |
} |
||
697 |
} |
||
698 |
2596041 |
return new_cbp; |
|
699 |
} |
||
700 |
} |
||
701 |
|||
702 |
4346943 |
int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl) |
|
703 |
{ |
||
704 |
int mb_xy; |
||
705 |
int partition_count; |
||
706 |
unsigned int mb_type, cbp; |
||
707 |
4346943 |
int dct8x8_allowed = h->ps.pps->transform_8x8_mode; |
|
708 |
✓✓✓✓ |
4346943 |
const int decode_chroma = h->ps.sps->chroma_format_idc == 1 || h->ps.sps->chroma_format_idc == 2; |
709 |
4346943 |
const int pixel_shift = h->pixel_shift; |
|
710 |
|||
711 |
4346943 |
mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride; |
|
712 |
|||
713 |
ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->poc.frame_num, sl->mb_x, sl->mb_y); |
||
714 |
4346943 |
cbp = 0; /* avoid warning. FIXME: find a solution without slowing |
|
715 |
down the code */ |
||
716 |
✓✓ | 4346943 |
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) { |
717 |
✓✓ | 3338086 |
if (sl->mb_skip_run == -1) { |
718 |
2485391 |
unsigned mb_skip_run = get_ue_golomb_long(&sl->gb); |
|
719 |
✗✓ | 2485391 |
if (mb_skip_run > h->mb_num) { |
720 |
av_log(h->avctx, AV_LOG_ERROR, "mb_skip_run %d is invalid\n", mb_skip_run); |
||
721 |
return AVERROR_INVALIDDATA; |
||
722 |
} |
||
723 |
2485391 |
sl->mb_skip_run = mb_skip_run; |
|
724 |
} |
||
725 |
|||
726 |
✓✓ | 3338086 |
if (sl->mb_skip_run--) { |
727 |
✓✓✓✓ |
855807 |
if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) { |
728 |
✓✓ | 5515 |
if (sl->mb_skip_run == 0) |
729 |
2894 |
sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb); |
|
730 |
} |
||
731 |
855807 |
decode_mb_skip(h, sl); |
|
732 |
855807 |
return 0; |
|
733 |
} |
||
734 |
} |
||
735 |
✓✓ | 3491136 |
if (FRAME_MBAFF(h)) { |
736 |
✓✓ | 497835 |
if ((sl->mb_y & 1) == 0) |
737 |
248957 |
sl->mb_mbaff = sl->mb_field_decoding_flag = get_bits1(&sl->gb); |
|
738 |
} |
||
739 |
|||
740 |
3491136 |
sl->prev_mb_skipped = 0; |
|
741 |
|||
742 |
3491136 |
mb_type= get_ue_golomb(&sl->gb); |
|
743 |
✓✓ | 3491136 |
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) { |
744 |
✓✓ | 877411 |
if(mb_type < 23){ |
745 |
736512 |
partition_count = ff_h264_b_mb_type_info[mb_type].partition_count; |
|
746 |
736512 |
mb_type = ff_h264_b_mb_type_info[mb_type].type; |
|
747 |
}else{ |
||
748 |
140899 |
mb_type -= 23; |
|
749 |
140899 |
goto decode_intra_mb; |
|
750 |
} |
||
751 |
✓✓ | 2613725 |
} else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) { |
752 |
✓✓ | 1604868 |
if(mb_type < 5){ |
753 |
1367646 |
partition_count = ff_h264_p_mb_type_info[mb_type].partition_count; |
|
754 |
1367646 |
mb_type = ff_h264_p_mb_type_info[mb_type].type; |
|
755 |
}else{ |
||
756 |
237222 |
mb_type -= 5; |
|
757 |
237222 |
goto decode_intra_mb; |
|
758 |
} |
||
759 |
}else{ |
||
760 |
av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_I); |
||
761 |
✓✗✗✗ |
1008857 |
if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type) |
762 |
mb_type--; |
||
763 |
1008857 |
decode_intra_mb: |
|
764 |
✗✓ | 1386978 |
if(mb_type > 25){ |
765 |
av_log(h->avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_picture_type_char(sl->slice_type), sl->mb_x, sl->mb_y); |
||
766 |
return -1; |
||
767 |
} |
||
768 |
1386978 |
partition_count=0; |
|
769 |
1386978 |
cbp = ff_h264_i_mb_type_info[mb_type].cbp; |
|
770 |
1386978 |
sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode; |
|
771 |
1386978 |
mb_type = ff_h264_i_mb_type_info[mb_type].type; |
|
772 |
} |
||
773 |
|||
774 |
✓✓ | 3491136 |
if (MB_FIELD(sl)) |
775 |
981328 |
mb_type |= MB_TYPE_INTERLACED; |
|
776 |
|||
777 |
3491136 |
h->slice_table[mb_xy] = sl->slice_num; |
|
778 |
|||
779 |
✓✓ | 3491136 |
if(IS_INTRA_PCM(mb_type)){ |
780 |
17446 |
const int mb_size = ff_h264_mb_sizes[h->ps.sps->chroma_format_idc] * |
|
781 |
17446 |
h->ps.sps->bit_depth_luma; |
|
782 |
|||
783 |
// We assume these blocks are very rare so we do not optimize it. |
||
784 |
17446 |
sl->intra_pcm_ptr = align_get_bits(&sl->gb); |
|
785 |
✗✓ | 17446 |
if (get_bits_left(&sl->gb) < mb_size) { |
786 |
av_log(h->avctx, AV_LOG_ERROR, "Not enough data for an intra PCM block.\n"); |
||
787 |
return AVERROR_INVALIDDATA; |
||
788 |
} |
||
789 |
17446 |
skip_bits_long(&sl->gb, mb_size); |
|
790 |
|||
791 |
// In deblocking, the quantizer is 0 |
||
792 |
17446 |
h->cur_pic.qscale_table[mb_xy] = 0; |
|
793 |
// All coeffs are present |
||
794 |
17446 |
memset(h->non_zero_count[mb_xy], 16, 48); |
|
795 |
|||
796 |
17446 |
h->cur_pic.mb_type[mb_xy] = mb_type; |
|
797 |
17446 |
return 0; |
|
798 |
} |
||
799 |
|||
800 |
3473690 |
fill_decode_neighbors(h, sl, mb_type); |
|
801 |
3473690 |
fill_decode_caches(h, sl, mb_type); |
|
802 |
|||
803 |
//mb_pred |
||
804 |
✓✓ | 3473690 |
if(IS_INTRA(mb_type)){ |
805 |
int pred_mode; |
||
806 |
// init_top_left_availability(h); |
||
807 |
✓✓ | 1369532 |
if(IS_INTRA4x4(mb_type)){ |
808 |
int i; |
||
809 |
1158929 |
int di = 1; |
|
810 |
✓✓✓✓ |
1158929 |
if(dct8x8_allowed && get_bits1(&sl->gb)){ |
811 |
541655 |
mb_type |= MB_TYPE_8x8DCT; |
|
812 |
541655 |
di = 4; |
|
813 |
} |
||
814 |
|||
815 |
// fill_intra4x4_pred_table(h); |
||
816 |
✓✓ | 13201933 |
for(i=0; i<16; i+=di){ |
817 |
12043004 |
int mode = pred_intra_mode(h, sl, i); |
|
818 |
|||
819 |
✓✓ | 12043004 |
if(!get_bits1(&sl->gb)){ |
820 |
6502141 |
const int rem_mode= get_bits(&sl->gb, 3); |
|
821 |
6502141 |
mode = rem_mode + (rem_mode >= mode); |
|
822 |
} |
||
823 |
|||
824 |
✓✓ | 12043004 |
if(di==4) |
825 |
2166620 |
fill_rectangle(&sl->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1); |
|
826 |
else |
||
827 |
9876384 |
sl->intra4x4_pred_mode_cache[scan8[i]] = mode; |
|
828 |
} |
||
829 |
1158929 |
write_back_intra_pred_mode(h, sl); |
|
830 |
✗✓ | 1158929 |
if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx, |
831 |
1158929 |
sl->top_samples_available, sl->left_samples_available) < 0) |
|
832 |
return -1; |
||
833 |
}else{ |
||
834 |
421206 |
sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available, |
|
835 |
210603 |
sl->left_samples_available, sl->intra16x16_pred_mode, 0); |
|
836 |
✗✓ | 210603 |
if (sl->intra16x16_pred_mode < 0) |
837 |
return -1; |
||
838 |
} |
||
839 |
✓✓ | 1369532 |
if(decode_chroma){ |
840 |
1342403 |
pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available, |
|
841 |
1342403 |
sl->left_samples_available, get_ue_golomb_31(&sl->gb), 1); |
|
842 |
✗✓ | 1342403 |
if(pred_mode < 0) |
843 |
return -1; |
||
844 |
1342403 |
sl->chroma_pred_mode = pred_mode; |
|
845 |
} else { |
||
846 |
27129 |
sl->chroma_pred_mode = DC_128_PRED8x8; |
|
847 |
} |
||
848 |
✓✓ | 2104158 |
}else if(partition_count==4){ |
849 |
int i, j, sub_partition_count[4], list, ref[2][4]; |
||
850 |
|||
851 |
✓✓ | 511482 |
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) { |
852 |
✓✓ | 889995 |
for(i=0; i<4; i++){ |
853 |
711996 |
sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb); |
|
854 |
✗✓ | 711996 |
if(sl->sub_mb_type[i] >=13){ |
855 |
av_log(h->avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y); |
||
856 |
return -1; |
||
857 |
} |
||
858 |
711996 |
sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; |
|
859 |
711996 |
sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type; |
|
860 |
} |
||
861 |
✓✓ | 177999 |
if( IS_DIRECT(sl->sub_mb_type[0]|sl->sub_mb_type[1]|sl->sub_mb_type[2]|sl->sub_mb_type[3])) { |
862 |
55683 |
ff_h264_pred_direct_motion(h, sl, &mb_type); |
|
863 |
55683 |
sl->ref_cache[0][scan8[4]] = |
|
864 |
55683 |
sl->ref_cache[1][scan8[4]] = |
|
865 |
55683 |
sl->ref_cache[0][scan8[12]] = |
|
866 |
55683 |
sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; |
|
867 |
} |
||
868 |
}else{ |
||
869 |
av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_P); //FIXME SP correct ? |
||
870 |
✓✓ | 1667415 |
for(i=0; i<4; i++){ |
871 |
1333932 |
sl->sub_mb_type[i]= get_ue_golomb_31(&sl->gb); |
|
872 |
✗✓ | 1333932 |
if(sl->sub_mb_type[i] >=4){ |
873 |
av_log(h->avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", sl->sub_mb_type[i], sl->mb_x, sl->mb_y); |
||
874 |
return -1; |
||
875 |
} |
||
876 |
1333932 |
sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; |
|
877 |
1333932 |
sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type; |
|
878 |
} |
||
879 |
} |
||
880 |
|||
881 |
✓✓ | 1200963 |
for (list = 0; list < sl->list_count; list++) { |
882 |
✓✓ | 689481 |
int ref_count = IS_REF0(mb_type) ? 1 : sl->ref_count[list] << MB_MBAFF(sl); |
883 |
✓✓ | 3447405 |
for(i=0; i<4; i++){ |
884 |
✓✓ | 2757924 |
if(IS_DIRECT(sl->sub_mb_type[i])) continue; |
885 |
✓✓ | 2527266 |
if(IS_DIR(sl->sub_mb_type[i], 0, list)){ |
886 |
unsigned int tmp; |
||
887 |
✓✓ | 2200238 |
if(ref_count == 1){ |
888 |
756033 |
tmp= 0; |
|
889 |
✓✓ | 1444205 |
}else if(ref_count == 2){ |
890 |
454436 |
tmp= get_bits1(&sl->gb)^1; |
|
891 |
}else{ |
||
892 |
989769 |
tmp= get_ue_golomb_31(&sl->gb); |
|
893 |
✗✓ | 989769 |
if(tmp>=ref_count){ |
894 |
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp); |
||
895 |
return -1; |
||
896 |
} |
||
897 |
} |
||
898 |
2200238 |
ref[list][i]= tmp; |
|
899 |
}else{ |
||
900 |
//FIXME |
||
901 |
327028 |
ref[list][i] = -1; |
|
902 |
} |
||
903 |
} |
||
904 |
} |
||
905 |
|||
906 |
✓✓ | 511482 |
if(dct8x8_allowed) |
907 |
51527 |
dct8x8_allowed = get_dct8x8_allowed(h, sl); |
|
908 |
|||
909 |
✓✓ | 1200963 |
for (list = 0; list < sl->list_count; list++) { |
910 |
✓✓ | 3447405 |
for(i=0; i<4; i++){ |
911 |
✓✓ | 2757924 |
if(IS_DIRECT(sl->sub_mb_type[i])) { |
912 |
230658 |
sl->ref_cache[list][ scan8[4*i] ] = sl->ref_cache[list][ scan8[4*i]+1 ]; |
|
913 |
230658 |
continue; |
|
914 |
} |
||
915 |
2527266 |
sl->ref_cache[list][ scan8[4*i] ]=sl->ref_cache[list][ scan8[4*i]+1 ]= |
|
916 |
2527266 |
sl->ref_cache[list][ scan8[4*i]+8 ]=sl->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; |
|
917 |
|||
918 |
✓✓ | 2527266 |
if(IS_DIR(sl->sub_mb_type[i], 0, list)){ |
919 |
2200238 |
const int sub_mb_type= sl->sub_mb_type[i]; |
|
920 |
✓✓ | 2200238 |
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; |
921 |
✓✓ | 5863664 |
for(j=0; j<sub_partition_count[i]; j++){ |
922 |
int mx, my; |
||
923 |
3663426 |
const int index= 4*i + block_width*j; |
|
924 |
3663426 |
int16_t (* mv_cache)[2]= &sl->mv_cache[list][ scan8[index] ]; |
|
925 |
3663426 |
pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my); |
|
926 |
3663426 |
mx += (unsigned)get_se_golomb(&sl->gb); |
|
927 |
3663426 |
my += (unsigned)get_se_golomb(&sl->gb); |
|
928 |
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
||
929 |
|||
930 |
✓✓ | 3663426 |
if(IS_SUB_8X8(sub_mb_type)){ |
931 |
1141536 |
mv_cache[ 1 ][0]= |
|
932 |
1141536 |
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; |
|
933 |
1141536 |
mv_cache[ 1 ][1]= |
|
934 |
1141536 |
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; |
|
935 |
✓✓ | 2521890 |
}else if(IS_SUB_8X4(sub_mb_type)){ |
936 |
1024318 |
mv_cache[ 1 ][0]= mx; |
|
937 |
1024318 |
mv_cache[ 1 ][1]= my; |
|
938 |
✓✓ | 1497572 |
}else if(IS_SUB_4X8(sub_mb_type)){ |
939 |
688600 |
mv_cache[ 8 ][0]= mx; |
|
940 |
688600 |
mv_cache[ 8 ][1]= my; |
|
941 |
} |
||
942 |
3663426 |
mv_cache[ 0 ][0]= mx; |
|
943 |
3663426 |
mv_cache[ 0 ][1]= my; |
|
944 |
} |
||
945 |
}else{ |
||
946 |
327028 |
uint32_t *p= (uint32_t *)&sl->mv_cache[list][ scan8[4*i] ][0]; |
|
947 |
327028 |
p[0] = p[1]= |
|
948 |
327028 |
p[8] = p[9]= 0; |
|
949 |
} |
||
950 |
} |
||
951 |
} |
||
952 |
✓✓ | 1592676 |
}else if(IS_DIRECT(mb_type)){ |
953 |
120891 |
ff_h264_pred_direct_motion(h, sl, &mb_type); |
|
954 |
120891 |
dct8x8_allowed &= h->ps.sps->direct_8x8_inference_flag; |
|
955 |
}else{ |
||
956 |
int list, mx, my, i; |
||
957 |
//FIXME we should set ref_idx_l? to 0 if we use that later ... |
||
958 |
✓✓ | 1471785 |
if(IS_16X16(mb_type)){ |
959 |
✓✓ | 2248906 |
for (list = 0; list < sl->list_count; list++) { |
960 |
unsigned int val; |
||
961 |
✓✓ | 1254114 |
if(IS_DIR(mb_type, 0, list)){ |
962 |
1050560 |
unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
|
963 |
✓✓ | 1050560 |
if (rc == 1) { |
964 |
550783 |
val= 0; |
|
965 |
✓✓ | 499777 |
} else if (rc == 2) { |
966 |
135504 |
val= get_bits1(&sl->gb)^1; |
|
967 |
}else{ |
||
968 |
364273 |
val= get_ue_golomb_31(&sl->gb); |
|
969 |
✗✓ | 364273 |
if (val >= rc) { |
970 |
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val); |
||
971 |
return -1; |
||
972 |
} |
||
973 |
} |
||
974 |
1050560 |
fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1); |
|
975 |
} |
||
976 |
} |
||
977 |
✓✓ | 2248906 |
for (list = 0; list < sl->list_count; list++) { |
978 |
✓✓ | 1254114 |
if(IS_DIR(mb_type, 0, list)){ |
979 |
1050560 |
pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my); |
|
980 |
1050560 |
mx += (unsigned)get_se_golomb(&sl->gb); |
|
981 |
1050560 |
my += (unsigned)get_se_golomb(&sl->gb); |
|
982 |
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
||
983 |
|||
984 |
1050560 |
fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); |
|
985 |
} |
||
986 |
} |
||
987 |
} |
||
988 |
✓✓ | 476993 |
else if(IS_16X8(mb_type)){ |
989 |
✓✓ | 603529 |
for (list = 0; list < sl->list_count; list++) { |
990 |
✓✓ | 1052904 |
for(i=0; i<2; i++){ |
991 |
unsigned int val; |
||
992 |
✓✓ | 701936 |
if(IS_DIR(mb_type, i, list)){ |
993 |
547878 |
unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
|
994 |
✓✓ | 547878 |
if (rc == 1) { |
995 |
204911 |
val= 0; |
|
996 |
✓✓ | 342967 |
} else if (rc == 2) { |
997 |
80255 |
val= get_bits1(&sl->gb)^1; |
|
998 |
}else{ |
||
999 |
262712 |
val= get_ue_golomb_31(&sl->gb); |
|
1000 |
✗✓ | 262712 |
if (val >= rc) { |
1001 |
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val); |
||
1002 |
return -1; |
||
1003 |
} |
||
1004 |
} |
||
1005 |
}else |
||
1006 |
154058 |
val= LIST_NOT_USED&0xFF; |
|
1007 |
701936 |
fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1); |
|
1008 |
} |
||
1009 |
} |
||
1010 |
✓✓ | 603529 |
for (list = 0; list < sl->list_count; list++) { |
1011 |
✓✓ | 1052904 |
for(i=0; i<2; i++){ |
1012 |
unsigned int val; |
||
1013 |
✓✓ | 701936 |
if(IS_DIR(mb_type, i, list)){ |
1014 |
547878 |
pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my); |
|
1015 |
547878 |
mx += (unsigned)get_se_golomb(&sl->gb); |
|
1016 |
547878 |
my += (unsigned)get_se_golomb(&sl->gb); |
|
1017 |
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
||
1018 |
|||
1019 |
547878 |
val= pack16to32(mx,my); |
|
1020 |
}else |
||
1021 |
154058 |
val=0; |
|
1022 |
701936 |
fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4); |
|
1023 |
} |
||
1024 |
} |
||
1025 |
}else{ |
||
1026 |
av_assert2(IS_8X16(mb_type)); |
||
1027 |
✓✓ | 528757 |
for (list = 0; list < sl->list_count; list++) { |
1028 |
✓✓ | 912975 |
for(i=0; i<2; i++){ |
1029 |
unsigned int val; |
||
1030 |
✓✓ | 608650 |
if(IS_DIR(mb_type, i, list)){ //FIXME optimize |
1031 |
482052 |
unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
|
1032 |
✓✓ | 482052 |
if (rc == 1) { |
1033 |
180611 |
val= 0; |
|
1034 |
✓✓ | 301441 |
} else if (rc == 2) { |
1035 |
82740 |
val= get_bits1(&sl->gb)^1; |
|
1036 |
}else{ |
||
1037 |
218701 |
val= get_ue_golomb_31(&sl->gb); |
|
1038 |
✗✓ | 218701 |
if (val >= rc) { |
1039 |
av_log(h->avctx, AV_LOG_ERROR, "ref %u overflow\n", val); |
||
1040 |
return -1; |
||
1041 |
} |
||
1042 |
} |
||
1043 |
}else |
||
1044 |
126598 |
val= LIST_NOT_USED&0xFF; |
|
1045 |
608650 |
fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1); |
|
1046 |
} |
||
1047 |
} |
||
1048 |
✓✓ | 528757 |
for (list = 0; list < sl->list_count; list++) { |
1049 |
✓✓ | 912975 |
for(i=0; i<2; i++){ |
1050 |
unsigned int val; |
||
1051 |
✓✓ | 608650 |
if(IS_DIR(mb_type, i, list)){ |
1052 |
482052 |
pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); |
|
1053 |
482052 |
mx += (unsigned)get_se_golomb(&sl->gb); |
|
1054 |
482052 |
my += (unsigned)get_se_golomb(&sl->gb); |
|
1055 |
ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
||
1056 |
|||
1057 |
482052 |
val= pack16to32(mx,my); |
|
1058 |
}else |
||
1059 |
126598 |
val=0; |
|
1060 |
608650 |
fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4); |
|
1061 |
} |
||
1062 |
} |
||
1063 |
} |
||
1064 |
} |
||
1065 |
|||
1066 |
✓✓ | 3473690 |
if(IS_INTER(mb_type)) |
1067 |
2104158 |
write_back_motion(h, sl, mb_type); |
|
1068 |
|||
1069 |
✓✓ | 3473690 |
if(!IS_INTRA16x16(mb_type)){ |
1070 |
3263087 |
cbp= get_ue_golomb(&sl->gb); |
|
1071 |
|||
1072 |
✓✓ | 3263087 |
if(decode_chroma){ |
1073 |
✗✓ | 3223737 |
if(cbp > 47){ |
1074 |
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y); |
||
1075 |
return -1; |
||
1076 |
} |
||
1077 |
✓✓ | 3223737 |
if (IS_INTRA4x4(mb_type)) |
1078 |
1134780 |
cbp = ff_h264_golomb_to_intra4x4_cbp[cbp]; |
|
1079 |
else |
||
1080 |
2088957 |
cbp = ff_h264_golomb_to_inter_cbp[cbp]; |
|
1081 |
}else{ |
||
1082 |
✗✓ | 39350 |
if(cbp > 15){ |
1083 |
av_log(h->avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, sl->mb_x, sl->mb_y); |
||
1084 |
return -1; |
||
1085 |
} |
||
1086 |
✓✓ | 39350 |
if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp]; |
1087 |
15201 |
else cbp= golomb_to_inter_cbp_gray[cbp]; |
|
1088 |
} |
||
1089 |
} else { |
||
1090 |
✓✓✗✓ |
210603 |
if (!decode_chroma && cbp>15) { |
1091 |
av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n"); |
||
1092 |
return AVERROR_INVALIDDATA; |
||
1093 |
} |
||
1094 |
} |
||
1095 |
|||
1096 |
✓✓✓✓ ✓✓ |
3473690 |
if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){ |
1097 |
272479 |
mb_type |= MB_TYPE_8x8DCT*get_bits1(&sl->gb); |
|
1098 |
} |
||
1099 |
3473690 |
sl->cbp= |
|
1100 |
3473690 |
h->cbp_table[mb_xy]= cbp; |
|
1101 |
3473690 |
h->cur_pic.mb_type[mb_xy] = mb_type; |
|
1102 |
|||
1103 |
✓✓✓✓ |
6280334 |
if(cbp || IS_INTRA16x16(mb_type)){ |
1104 |
int i4x4, i8x8, chroma_idx; |
||
1105 |
int dquant; |
||
1106 |
int ret; |
||
1107 |
2806644 |
GetBitContext *gb = &sl->gb; |
|
1108 |
const uint8_t *scan, *scan8x8; |
||
1109 |
2806644 |
const int max_qp = 51 + 6 * (h->ps.sps->bit_depth_luma - 8); |
|
1110 |
|||
1111 |
2806644 |
dquant= get_se_golomb(&sl->gb); |
|
1112 |
|||
1113 |
2806644 |
sl->qscale += (unsigned)dquant; |
|
1114 |
|||
1115 |
✓✓ | 2806644 |
if (((unsigned)sl->qscale) > max_qp){ |
1116 |
✓✓ | 8070 |
if (sl->qscale < 0) sl->qscale += max_qp + 1; |
1117 |
4210 |
else sl->qscale -= max_qp+1; |
|
1118 |
✗✓ | 8070 |
if (((unsigned)sl->qscale) > max_qp){ |
1119 |
av_log(h->avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, sl->mb_x, sl->mb_y); |
||
1120 |
sl->qscale = max_qp; |
||
1121 |
return -1; |
||
1122 |
} |
||
1123 |
} |
||
1124 |
|||
1125 |
2806644 |
sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale); |
|
1126 |
2806644 |
sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale); |
|
1127 |
|||
1128 |
✓✓ | 2806644 |
if(IS_INTERLACED(mb_type)){ |
1129 |
✓✓ | 824163 |
scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0; |
1130 |
✓✓ | 824163 |
scan = sl->qscale ? h->field_scan : h->field_scan_q0; |
1131 |
}else{ |
||
1132 |
✓✓ | 1982481 |
scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0; |
1133 |
✓✓ | 1982481 |
scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; |
1134 |
} |
||
1135 |
|||
1136 |
✗✓ | 2806644 |
if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) { |
1137 |
return -1; |
||
1138 |
} |
||
1139 |
2806644 |
h->cbp_table[mb_xy] |= ret << 12; |
|
1140 |
✗✓ | 2806644 |
if (CHROMA444(h)) { |
1141 |
if (decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 1) < 0 ) { |
||
1142 |
return -1; |
||
1143 |
} |
||
1144 |
if (decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 2) < 0 ) { |
||
1145 |
return -1; |
||
1146 |
} |
||
1147 |
} else { |
||
1148 |
2806644 |
const int num_c8x8 = h->ps.sps->chroma_format_idc; |
|
1149 |
|||
1150 |
✓✓ | 2806644 |
if(cbp&0x30){ |
1151 |
✓✓ | 4702668 |
for(chroma_idx=0; chroma_idx<2; chroma_idx++) |
1152 |
✗✓ | 3135112 |
if (decode_residual(h, sl, gb, sl->mb + ((256 + 16*16*chroma_idx) << pixel_shift), |
1153 |
CHROMA_DC_BLOCK_INDEX + chroma_idx, |
||
1154 |
✓✓ | 3135112 |
CHROMA422(h) ? ff_h264_chroma422_dc_scan : ff_h264_chroma_dc_scan, |
1155 |
NULL, 4 * num_c8x8) < 0) { |
||
1156 |
return -1; |
||
1157 |
} |
||
1158 |
} |
||
1159 |
|||
1160 |
✓✓ | 2806644 |
if(cbp&0x20){ |
1161 |
✓✓ | 3019302 |
for(chroma_idx=0; chroma_idx<2; chroma_idx++){ |
1162 |
✓✓ | 2012868 |
const uint32_t *qmul = h->ps.pps->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[chroma_idx]]; |
1163 |
2012868 |
int16_t *mb = sl->mb + (16*(16 + 16*chroma_idx) << pixel_shift); |
|
1164 |
✓✓ | 4412880 |
for (i8x8 = 0; i8x8<num_c8x8; i8x8++) { |
1165 |
✓✓ | 12000060 |
for (i4x4 = 0; i4x4 < 4; i4x4++) { |
1166 |
9600048 |
const int index = 16 + 16*chroma_idx + 8*i8x8 + i4x4; |
|
1167 |
✗✓ | 9600048 |
if (decode_residual(h, sl, gb, mb, index, scan + 1, qmul, 15) < 0) |
1168 |
return -1; |
||
1169 |
9600048 |
mb += 16 << pixel_shift; |
|
1170 |
} |
||
1171 |
} |
||
1172 |
} |
||
1173 |
}else{ |
||
1174 |
1800210 |
fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); |
|
1175 |
1800210 |
fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); |
|
1176 |
} |
||
1177 |
} |
||
1178 |
}else{ |
||
1179 |
667046 |
fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1); |
|
1180 |
667046 |
fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); |
|
1181 |
667046 |
fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); |
|
1182 |
} |
||
1183 |
3473690 |
h->cur_pic.qscale_table[mb_xy] = sl->qscale; |
|
1184 |
3473690 |
write_back_non_zero_count(h, sl); |
|
1185 |
|||
1186 |
3473690 |
return 0; |
|
1187 |
} |
Generated by: GCOVR (Version 4.2) |