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Rev | Author | Line No. | Line |
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6148 | serge | 1 | /* |
2 | * RealVideo 3 decoder |
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3 | * copyright (c) 2007 Konstantin Shishkov |
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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 | |||
22 | /** |
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23 | * @file |
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24 | * miscellaneous RV30 tables |
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25 | */ |
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26 | |||
27 | #ifndef AVCODEC_RV30DATA_H |
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28 | #define AVCODEC_RV30DATA_H |
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29 | |||
30 | #include |
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31 | |||
32 | /** DC quantizer mapping for RV30 */ |
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33 | static const uint8_t rv30_luma_dc_quant[32] = { |
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34 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
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35 | 16, 17, 18, 19, 20, 21, 22, 22, 22, 23, 23, 23, 24, 24, 25, 25 |
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36 | }; |
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37 | |||
38 | /** |
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39 | * This table is used for storing the differences |
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40 | * between the predicted and the real intra type. |
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41 | */ |
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42 | static const uint8_t rv30_itype_code[9*9*2] = { |
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43 | 0, 0, 0, 1, 1, 0, 1, 1, 0, 2, 2, 0, 0, 3, 3, 0, 1, 2, |
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44 | 2, 1, 0, 4, 4, 0, 3, 1, 1, 3, 0, 5, 5, 0, 2, 2, 1, 4, |
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45 | 4, 1, 0, 6, 3, 2, 1, 5, 2, 3, 5, 1, 6, 0, 0, 7, 4, 2, |
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46 | 2, 4, 3, 3, 6, 1, 1, 6, 7, 0, 0, 8, 5, 2, 4, 3, 2, 5, |
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47 | 3, 4, 1, 7, 4, 4, 7, 1, 8, 0, 6, 2, 3, 5, 5, 3, 2, 6, |
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48 | 1, 8, 2, 7, 7, 2, 8, 1, 5, 4, 4, 5, 3, 6, 6, 3, 8, 2, |
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49 | 4, 6, 5, 5, 6, 4, 2, 8, 7, 3, 3, 7, 6, 5, 5, 6, 7, 4, |
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50 | 4, 7, 8, 3, 3, 8, 7, 5, 8, 4, 5, 7, 4, 8, 6, 6, 7, 6, |
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51 | 5, 8, 8, 5, 6, 7, 8, 6, 7, 7, 6, 8, 8, 7, 7, 8, 8, 8, |
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52 | }; |
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53 | |||
54 | /** |
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55 | * This table is used for retrieving the current intra type |
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56 | * based on its neighbors and adjustment provided by |
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57 | * code read and decoded before. |
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58 | * |
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59 | * This is really a three-dimensional matrix with dimensions |
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60 | * [-1..9][-1..9][0..9]. The first and second coordinates are |
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61 | * detemined by the top and left neighbors (-1 if unavailable). |
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62 | */ |
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63 | static const uint8_t rv30_itype_from_context[900] = { |
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64 | 0, 9, 9, 9, 9, 9, 9, 9, 9, |
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65 | 0, 2, 9, 9, 9, 9, 9, 9, 9, |
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66 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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67 | 2, 0, 9, 9, 9, 9, 9, 9, 9, |
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68 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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69 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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70 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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71 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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72 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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73 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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74 | |||
75 | 0, 1, 9, 9, 9, 9, 9, 9, 9, |
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76 | 0, 2, 1, 6, 4, 8, 5, 7, 3, |
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77 | 1, 0, 2, 6, 5, 4, 3, 8, 7, |
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78 | 2, 8, 0, 1, 7, 4, 3, 6, 5, |
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79 | 2, 0, 1, 3, 8, 5, 4, 7, 6, |
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80 | 2, 0, 1, 4, 6, 7, 8, 3, 5, |
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81 | 0, 1, 5, 2, 6, 3, 8, 4, 7, |
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82 | 0, 1, 6, 2, 4, 7, 5, 8, 3, |
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83 | 2, 7, 0, 1, 4, 8, 6, 3, 5, |
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84 | 2, 8, 0, 1, 7, 3, 4, 5, 6, |
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85 | |||
86 | 1, 0, 9, 9, 9, 9, 9, 9, 9, |
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87 | 1, 2, 5, 6, 3, 0, 4, 8, 7, |
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88 | 1, 6, 2, 5, 3, 0, 4, 8, 7, |
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89 | 2, 1, 7, 6, 8, 3, 5, 0, 4, |
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90 | 1, 2, 5, 3, 6, 8, 4, 7, 0, |
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91 | 1, 6, 2, 0, 4, 5, 8, 7, 3, |
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92 | 1, 5, 2, 6, 3, 8, 4, 0, 7, |
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93 | 1, 6, 0, 2, 4, 5, 7, 3, 8, |
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94 | 2, 1, 7, 6, 0, 8, 5, 4, 3, |
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95 | 1, 2, 7, 8, 3, 4, 5, 6, 0, |
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96 | |||
97 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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98 | 0, 2, 1, 8, 7, 6, 5, 4, 3, |
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99 | 1, 2, 0, 6, 5, 7, 4, 8, 3, |
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100 | 2, 8, 7, 1, 0, 6, 4, 3, 5, |
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101 | 2, 0, 8, 1, 3, 7, 5, 4, 6, |
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102 | 2, 0, 4, 1, 7, 8, 6, 3, 5, |
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103 | 2, 0, 1, 5, 8, 4, 6, 7, 3, |
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104 | 2, 0, 6, 1, 4, 7, 8, 5, 3, |
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105 | 2, 7, 8, 1, 0, 5, 4, 6, 3, |
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106 | 2, 8, 7, 1, 0, 4, 3, 6, 5, |
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107 | |||
108 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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109 | 0, 2, 1, 3, 5, 8, 6, 4, 7, |
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110 | 1, 0, 2, 5, 3, 6, 4, 8, 7, |
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111 | 2, 8, 1, 0, 3, 5, 7, 6, 4, |
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112 | 3, 2, 5, 8, 1, 4, 6, 7, 0, |
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113 | 4, 2, 0, 6, 1, 5, 8, 3, 7, |
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114 | 5, 3, 1, 2, 8, 6, 4, 0, 7, |
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115 | 1, 6, 0, 2, 4, 5, 8, 3, 7, |
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116 | 2, 7, 0, 1, 5, 4, 8, 6, 3, |
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117 | 2, 8, 3, 5, 1, 0, 7, 6, 4, |
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118 | |||
119 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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120 | 2, 0, 6, 1, 4, 7, 5, 8, 3, |
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121 | 1, 6, 2, 0, 4, 5, 3, 7, 8, |
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122 | 2, 8, 7, 6, 4, 0, 1, 5, 3, |
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123 | 4, 2, 1, 0, 6, 8, 3, 5, 7, |
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124 | 4, 2, 6, 0, 1, 5, 7, 8, 3, |
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125 | 1, 2, 5, 0, 6, 3, 4, 7, 8, |
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126 | 6, 4, 0, 1, 2, 7, 5, 3, 8, |
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127 | 2, 7, 4, 6, 0, 1, 8, 5, 3, |
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128 | 2, 8, 7, 4, 6, 1, 3, 5, 0, |
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129 | |||
130 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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131 | 5, 1, 2, 3, 6, 8, 0, 4, 7, |
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132 | 1, 5, 6, 3, 2, 0, 4, 8, 7, |
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133 | 2, 1, 5, 3, 6, 8, 7, 4, 0, |
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134 | 5, 3, 1, 2, 6, 8, 4, 7, 0, |
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135 | 1, 6, 2, 4, 5, 8, 0, 3, 7, |
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136 | 5, 1, 3, 6, 2, 0, 8, 4, 7, |
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137 | 1, 6, 5, 2, 0, 4, 3, 7, 8, |
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138 | 2, 7, 1, 6, 5, 0, 8, 3, 4, |
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139 | 2, 5, 1, 3, 6, 8, 4, 0, 7, |
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140 | |||
141 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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142 | 1, 6, 2, 0, 5, 4, 3, 7, 8, |
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143 | 1, 6, 5, 4, 2, 3, 0, 7, 8, |
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144 | 2, 1, 6, 7, 4, 8, 5, 3, 0, |
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145 | 2, 1, 6, 5, 8, 4, 3, 0, 7, |
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146 | 6, 4, 1, 2, 0, 5, 7, 8, 3, |
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147 | 1, 6, 5, 2, 3, 0, 4, 8, 7, |
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148 | 6, 1, 4, 0, 2, 7, 5, 3, 8, |
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149 | 2, 7, 4, 6, 1, 5, 0, 8, 3, |
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150 | 2, 1, 6, 8, 4, 7, 3, 5, 0, |
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151 | |||
152 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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153 | 2, 0, 4, 7, 6, 1, 8, 5, 3, |
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154 | 6, 1, 2, 0, 4, 7, 5, 8, 3, |
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155 | 2, 7, 8, 0, 1, 6, 4, 3, 5, |
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156 | 2, 4, 0, 8, 3, 1, 7, 6, 5, |
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157 | 4, 2, 7, 0, 6, 1, 8, 5, 3, |
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158 | 2, 1, 0, 8, 5, 6, 7, 4, 3, |
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159 | 2, 6, 4, 1, 7, 0, 5, 8, 3, |
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160 | 2, 7, 4, 0, 8, 6, 1, 5, 3, |
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161 | 2, 8, 7, 4, 1, 0, 3, 6, 5, |
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162 | |||
163 | 9, 9, 9, 9, 9, 9, 9, 9, 9, |
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164 | 2, 0, 8, 1, 3, 4, 6, 5, 7, |
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165 | 1, 2, 0, 6, 8, 5, 7, 3, 4, |
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166 | 2, 8, 7, 1, 0, 3, 6, 5, 4, |
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167 | 8, 3, 2, 5, 1, 0, 4, 7, 6, |
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168 | 2, 0, 4, 8, 5, 1, 7, 6, 3, |
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169 | 2, 1, 0, 8, 5, 3, 6, 4, 7, |
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170 | 2, 1, 6, 0, 8, 4, 5, 7, 3, |
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171 | 2, 7, 8, 4, 0, 6, 1, 5, 3, |
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172 | 2, 8, 3, 0, 7, 4, 1, 6, 5, |
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173 | }; |
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174 | |||
175 | /** |
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176 | * Loop filter limits are taken from this table. |
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177 | */ |
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178 | static const uint8_t rv30_loop_filt_lim[32] = { |
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179 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5 |
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180 | }; |
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181 | #endif /* AVCODEC_RV30DATA_H */ |