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1 /*
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2 * HEVC video decoder
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3 *
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4 * Copyright (C) 2012 - 2013 Guillaume Martres
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5 * Copyright (C) 2013 - 2014 Pierre-Edouard Lepere
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6 *
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7 *
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8 * This file is part of FFmpeg.
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9 *
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10 * FFmpeg is free software; you can redistribute it and/or
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11 * modify it under the terms of the GNU Lesser General Public
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12 * License as published by the Free Software Foundation; either
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13 * version 2.1 of the License, or (at your option) any later version.
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14 *
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15 * FFmpeg is distributed in the hope that it will be useful,
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16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 * Lesser General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU Lesser General Public
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21 * License along with FFmpeg; if not, write to the Free Software
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22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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23 */
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24
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25 #include "hevcdsp.h"
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26
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27 #ifdef CONFIG_SMALL
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28 static int8_t transform[32][32];
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29
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30 static const int8_t dct_coefs[32] = {
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31 64, 90, 90, 90, 89, 88, 87, 85, 83, 82, 80, 78, 75, 73, 70, 67, 64, 61, 57, 54, 50, 46, 43, 38, 36, 31, 25, 22, 18, 13, 9, 4
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32 };
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33
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34 void hevc_transform_init(void)
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35 {
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36 int i, j, k, s;
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37
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38 if (transform[0][0])
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39 return;
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40 for(i = 0; i < 32; i++) {
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41 for(j = 0; j < 32; j++) {
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42 k = (unsigned)((2 * j + 1) * i) % 128;
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43 s = 1;
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44 if (k >= 64) {
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45 k -= 64;
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46 s = -1;
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47 }
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48 if (k >= 32) {
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49 k = 64 - k;
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50 s = -s;
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51 }
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52 transform[i][j] = dct_coefs[k] * s;
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53 }
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54 }
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55 }
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56
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57 #else
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58 static const int8_t transform[32][32] = {
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59 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
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60 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
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61 { 90, 90, 88, 85, 82, 78, 73, 67, 61, 54, 46, 38, 31, 22, 13, 4,
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62 -4, -13, -22, -31, -38, -46, -54, -61, -67, -73, -78, -82, -85, -88, -90, -90 },
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63 { 90, 87, 80, 70, 57, 43, 25, 9, -9, -25, -43, -57, -70, -80, -87, -90,
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64 -90, -87, -80, -70, -57, -43, -25, -9, 9, 25, 43, 57, 70, 80, 87, 90 },
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65 { 90, 82, 67, 46, 22, -4, -31, -54, -73, -85, -90, -88, -78, -61, -38, -13,
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66 13, 38, 61, 78, 88, 90, 85, 73, 54, 31, 4, -22, -46, -67, -82, -90 },
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67 { 89, 75, 50, 18, -18, -50, -75, -89, -89, -75, -50, -18, 18, 50, 75, 89,
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68 89, 75, 50, 18, -18, -50, -75, -89, -89, -75, -50, -18, 18, 50, 75, 89 },
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69 { 88, 67, 31, -13, -54, -82, -90, -78, -46, -4, 38, 73, 90, 85, 61, 22,
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70 -22, -61, -85, -90, -73, -38, 4, 46, 78, 90, 82, 54, 13, -31, -67, -88 },
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71 { 87, 57, 9, -43, -80, -90, -70, -25, 25, 70, 90, 80, 43, -9, -57, -87,
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72 -87, -57, -9, 43, 80, 90, 70, 25, -25, -70, -90, -80, -43, 9, 57, 87 },
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73 { 85, 46, -13, -67, -90, -73, -22, 38, 82, 88, 54, -4, -61, -90, -78, -31,
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74 31, 78, 90, 61, 4, -54, -88, -82, -38, 22, 73, 90, 67, 13, -46, -85 },
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75 { 83, 36, -36, -83, -83, -36, 36, 83, 83, 36, -36, -83, -83, -36, 36, 83,
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76 83, 36, -36, -83, -83, -36, 36, 83, 83, 36, -36, -83, -83, -36, 36, 83 },
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77 { 82, 22, -54, -90, -61, 13, 78, 85, 31, -46, -90, -67, 4, 73, 88, 38,
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78 -38, -88, -73, -4, 67, 90, 46, -31, -85, -78, -13, 61, 90, 54, -22, -82 },
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79 { 80, 9, -70, -87, -25, 57, 90, 43, -43, -90, -57, 25, 87, 70, -9, -80,
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80 -80, -9, 70, 87, 25, -57, -90, -43, 43, 90, 57, -25, -87, -70, 9, 80 },
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81 { 78, -4, -82, -73, 13, 85, 67, -22, -88, -61, 31, 90, 54, -38, -90, -46,
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82 46, 90, 38, -54, -90, -31, 61, 88, 22, -67, -85, -13, 73, 82, 4, -78 },
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83 { 75, -18, -89, -50, 50, 89, 18, -75, -75, 18, 89, 50, -50, -89, -18, 75,
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84 75, -18, -89, -50, 50, 89, 18, -75, -75, 18, 89, 50, -50, -89, -18, 75 },
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85 { 73, -31, -90, -22, 78, 67, -38, -90, -13, 82, 61, -46, -88, -4, 85, 54,
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86 -54, -85, 4, 88, 46, -61, -82, 13, 90, 38, -67, -78, 22, 90, 31, -73 },
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87 { 70, -43, -87, 9, 90, 25, -80, -57, 57, 80, -25, -90, -9, 87, 43, -70,
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88 -70, 43, 87, -9, -90, -25, 80, 57, -57, -80, 25, 90, 9, -87, -43, 70 },
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89 { 67, -54, -78, 38, 85, -22, -90, 4, 90, 13, -88, -31, 82, 46, -73, -61,
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90 61, 73, -46, -82, 31, 88, -13, -90, -4, 90, 22, -85, -38, 78, 54, -67 },
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91 { 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64,
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92 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64, 64, -64, -64, 64 },
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93 { 61, -73, -46, 82, 31, -88, -13, 90, -4, -90, 22, 85, -38, -78, 54, 67,
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94 -67, -54, 78, 38, -85, -22, 90, 4, -90, 13, 88, -31, -82, 46, 73, -61 },
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95 { 57, -80, -25, 90, -9, -87, 43, 70, -70, -43, 87, 9, -90, 25, 80, -57,
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96 -57, 80, 25, -90, 9, 87, -43, -70, 70, 43, -87, -9, 90, -25, -80, 57 },
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97 { 54, -85, -4, 88, -46, -61, 82, 13, -90, 38, 67, -78, -22, 90, -31, -73,
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98 73, 31, -90, 22, 78, -67, -38, 90, -13, -82, 61, 46, -88, 4, 85, -54 },
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99 { 50, -89, 18, 75, -75, -18, 89, -50, -50, 89, -18, -75, 75, 18, -89, 50,
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100 50, -89, 18, 75, -75, -18, 89, -50, -50, 89, -18, -75, 75, 18, -89, 50 },
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101 { 46, -90, 38, 54, -90, 31, 61, -88, 22, 67, -85, 13, 73, -82, 4, 78,
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102 -78, -4, 82, -73, -13, 85, -67, -22, 88, -61, -31, 90, -54, -38, 90, -46 },
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103 { 43, -90, 57, 25, -87, 70, 9, -80, 80, -9, -70, 87, -25, -57, 90, -43,
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104 -43, 90, -57, -25, 87, -70, -9, 80, -80, 9, 70, -87, 25, 57, -90, 43 },
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105 { 38, -88, 73, -4, -67, 90, -46, -31, 85, -78, 13, 61, -90, 54, 22, -82,
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106 82, -22, -54, 90, -61, -13, 78, -85, 31, 46, -90, 67, 4, -73, 88, -38 },
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107 { 36, -83, 83, -36, -36, 83, -83, 36, 36, -83, 83, -36, -36, 83, -83, 36,
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108 36, -83, 83, -36, -36, 83, -83, 36, 36, -83, 83, -36, -36, 83, -83, 36 },
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109 { 31, -78, 90, -61, 4, 54, -88, 82, -38, -22, 73, -90, 67, -13, -46, 85,
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110 -85, 46, 13, -67, 90, -73, 22, 38, -82, 88, -54, -4, 61, -90, 78, -31 },
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111 { 25, -70, 90, -80, 43, 9, -57, 87, -87, 57, -9, -43, 80, -90, 70, -25,
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112 -25, 70, -90, 80, -43, -9, 57, -87, 87, -57, 9, 43, -80, 90, -70, 25 },
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113 { 22, -61, 85, -90, 73, -38, -4, 46, -78, 90, -82, 54, -13, -31, 67, -88,
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114 88, -67, 31, 13, -54, 82, -90, 78, -46, 4, 38, -73, 90, -85, 61, -22 },
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115 { 18, -50, 75, -89, 89, -75, 50, -18, -18, 50, -75, 89, -89, 75, -50, 18,
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116 18, -50, 75, -89, 89, -75, 50, -18, -18, 50, -75, 89, -89, 75, -50, 18 },
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117 { 13, -38, 61, -78, 88, -90, 85, -73, 54, -31, 4, 22, -46, 67, -82, 90,
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118 -90, 82, -67, 46, -22, -4, 31, -54, 73, -85, 90, -88, 78, -61, 38, -13 },
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119 { 9, -25, 43, -57, 70, -80, 87, -90, 90, -87, 80, -70, 57, -43, 25, -9,
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120 -9, 25, -43, 57, -70, 80, -87, 90, -90, 87, -80, 70, -57, 43, -25, 9 },
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121 { 4, -13, 22, -31, 38, -46, 54, -61, 67, -73, 78, -82, 85, -88, 90, -90,
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122 90, -90, 88, -85, 82, -78, 73, -67, 61, -54, 46, -38, 31, -22, 13, -4 },
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123 };
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124 #endif
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125
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126 DECLARE_ALIGNED(16, const int8_t, ff_hevc_epel_filters[7][4]) = {
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127 { -2, 58, 10, -2},
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128 { -4, 54, 16, -2},
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129 { -6, 46, 28, -4},
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130 { -4, 36, 36, -4},
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131 { -4, 28, 46, -6},
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132 { -2, 16, 54, -4},
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133 { -2, 10, 58, -2},
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134 };
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135
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136 DECLARE_ALIGNED(16, const int8_t, ff_hevc_qpel_filters[3][16]) = {
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137 { -1, 4,-10, 58, 17, -5, 1, 0, -1, 4,-10, 58, 17, -5, 1, 0},
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138 { -1, 4,-11, 40, 40,-11, 4, -1, -1, 4,-11, 40, 40,-11, 4, -1},
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139 { 0, 1, -5, 17, 58,-10, 4, -1, 0, 1, -5, 17, 58,-10, 4, -1}
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140 };
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141
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142 #if defined(USE_VAR_BIT_DEPTH)
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143
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144 #define BIT_DEPTH bit_depth
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145 #include "hevcdsp_template.c"
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146 #undef BIT_DEPTH
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147
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148 #else
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149
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150 #define BIT_DEPTH 8
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151 #include "hevcdsp_template.c"
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152 #undef BIT_DEPTH
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153
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154 #ifdef USE_FULL
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155 #define BIT_DEPTH 9
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156 #include "hevcdsp_template.c"
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157 #undef BIT_DEPTH
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158
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159 #define BIT_DEPTH 10
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160 #include "hevcdsp_template.c"
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161 #undef BIT_DEPTH
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162
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163 #define BIT_DEPTH 12
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164 #include "hevcdsp_template.c"
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165 #undef BIT_DEPTH
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166 #endif /* USE_FULL */
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167
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168 #endif /* !USE_VAR_BIT_DEPTH */
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169
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170 void ff_hevc_dsp_init(HEVCDSPContext *hevcdsp, int bit_depth)
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171 {
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172 #undef FUNC
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173 #define FUNC(a, depth) a ## _ ## depth
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174
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175 #undef PEL_FUNC
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176 #define PEL_FUNC(dst1, idx1, idx2, a, depth) \
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177 for(i = 0 ; i < 10 ; i++) \
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178 { \
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179 hevcdsp->dst1[i][idx1][idx2] = a ## _ ## depth; \
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180 }
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181
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182 #undef EPEL_FUNCS
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183 #define EPEL_FUNCS(depth) \
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184 PEL_FUNC(put_hevc_epel, 0, 0, put_hevc_pel_pixels, depth); \
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185 PEL_FUNC(put_hevc_epel, 0, 1, put_hevc_epel_h, depth); \
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186 PEL_FUNC(put_hevc_epel, 1, 0, put_hevc_epel_v, depth); \
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187 PEL_FUNC(put_hevc_epel, 1, 1, put_hevc_epel_hv, depth)
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188
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189 #undef EPEL_UNI_FUNCS
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190 #define EPEL_UNI_FUNCS(depth) \
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191 PEL_FUNC(put_hevc_epel_uni, 0, 0, put_hevc_pel_uni_pixels, depth); \
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192 PEL_FUNC(put_hevc_epel_uni, 0, 1, put_hevc_epel_uni_h, depth); \
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193 PEL_FUNC(put_hevc_epel_uni, 1, 0, put_hevc_epel_uni_v, depth); \
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194 PEL_FUNC(put_hevc_epel_uni, 1, 1, put_hevc_epel_uni_hv, depth); \
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195 PEL_FUNC(put_hevc_epel_uni_w, 0, 0, put_hevc_pel_uni_w_pixels, depth); \
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196 PEL_FUNC(put_hevc_epel_uni_w, 0, 1, put_hevc_epel_uni_w_h, depth); \
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197 PEL_FUNC(put_hevc_epel_uni_w, 1, 0, put_hevc_epel_uni_w_v, depth); \
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198 PEL_FUNC(put_hevc_epel_uni_w, 1, 1, put_hevc_epel_uni_w_hv, depth)
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199
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200 #undef EPEL_BI_FUNCS
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201 #define EPEL_BI_FUNCS(depth) \
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202 PEL_FUNC(put_hevc_epel_bi, 0, 0, put_hevc_pel_bi_pixels, depth); \
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203 PEL_FUNC(put_hevc_epel_bi, 0, 1, put_hevc_epel_bi_h, depth); \
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204 PEL_FUNC(put_hevc_epel_bi, 1, 0, put_hevc_epel_bi_v, depth); \
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205 PEL_FUNC(put_hevc_epel_bi, 1, 1, put_hevc_epel_bi_hv, depth); \
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206 PEL_FUNC(put_hevc_epel_bi_w, 0, 0, put_hevc_pel_bi_w_pixels, depth); \
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207 PEL_FUNC(put_hevc_epel_bi_w, 0, 1, put_hevc_epel_bi_w_h, depth); \
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208 PEL_FUNC(put_hevc_epel_bi_w, 1, 0, put_hevc_epel_bi_w_v, depth); \
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209 PEL_FUNC(put_hevc_epel_bi_w, 1, 1, put_hevc_epel_bi_w_hv, depth)
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210
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211 #undef QPEL_FUNCS
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212 #define QPEL_FUNCS(depth) \
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213 PEL_FUNC(put_hevc_qpel, 0, 0, put_hevc_pel_pixels, depth); \
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214 PEL_FUNC(put_hevc_qpel, 0, 1, put_hevc_qpel_h, depth); \
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215 PEL_FUNC(put_hevc_qpel, 1, 0, put_hevc_qpel_v, depth); \
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216 PEL_FUNC(put_hevc_qpel, 1, 1, put_hevc_qpel_hv, depth)
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217
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218 #undef QPEL_UNI_FUNCS
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219 #define QPEL_UNI_FUNCS(depth) \
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220 PEL_FUNC(put_hevc_qpel_uni, 0, 0, put_hevc_pel_uni_pixels, depth); \
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221 PEL_FUNC(put_hevc_qpel_uni, 0, 1, put_hevc_qpel_uni_h, depth); \
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222 PEL_FUNC(put_hevc_qpel_uni, 1, 0, put_hevc_qpel_uni_v, depth); \
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223 PEL_FUNC(put_hevc_qpel_uni, 1, 1, put_hevc_qpel_uni_hv, depth); \
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224 PEL_FUNC(put_hevc_qpel_uni_w, 0, 0, put_hevc_pel_uni_w_pixels, depth); \
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225 PEL_FUNC(put_hevc_qpel_uni_w, 0, 1, put_hevc_qpel_uni_w_h, depth); \
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226 PEL_FUNC(put_hevc_qpel_uni_w, 1, 0, put_hevc_qpel_uni_w_v, depth); \
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227 PEL_FUNC(put_hevc_qpel_uni_w, 1, 1, put_hevc_qpel_uni_w_hv, depth)
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228
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229 #undef QPEL_BI_FUNCS
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230 #define QPEL_BI_FUNCS(depth) \
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231 PEL_FUNC(put_hevc_qpel_bi, 0, 0, put_hevc_pel_bi_pixels, depth); \
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232 PEL_FUNC(put_hevc_qpel_bi, 0, 1, put_hevc_qpel_bi_h, depth); \
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233 PEL_FUNC(put_hevc_qpel_bi, 1, 0, put_hevc_qpel_bi_v, depth); \
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234 PEL_FUNC(put_hevc_qpel_bi, 1, 1, put_hevc_qpel_bi_hv, depth); \
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235 PEL_FUNC(put_hevc_qpel_bi_w, 0, 0, put_hevc_pel_bi_w_pixels, depth); \
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236 PEL_FUNC(put_hevc_qpel_bi_w, 0, 1, put_hevc_qpel_bi_w_h, depth); \
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237 PEL_FUNC(put_hevc_qpel_bi_w, 1, 0, put_hevc_qpel_bi_w_v, depth); \
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238 PEL_FUNC(put_hevc_qpel_bi_w, 1, 1, put_hevc_qpel_bi_w_hv, depth)
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239
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240 #ifdef USE_PRED
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241
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242 #ifdef USE_BIPRED
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243
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244 #define HEVC_DSP_PRED(depth) \
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245 QPEL_FUNCS(depth); \
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246 QPEL_UNI_FUNCS(depth); \
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247 QPEL_BI_FUNCS(depth); \
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248 EPEL_FUNCS(depth); \
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249 EPEL_UNI_FUNCS(depth); \
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250 EPEL_BI_FUNCS(depth);
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251
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252 #else
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253
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254 #define HEVC_DSP_PRED(depth) \
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255 QPEL_UNI_FUNCS(depth); \
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256 EPEL_UNI_FUNCS(depth);
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257
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258 #endif
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259
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260 #else
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261
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262 #define HEVC_DSP_PRED(depth)
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263
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264 #endif
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265
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266 #define HEVC_DSP(depth) \
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267 hevcdsp->put_pcm = FUNC(put_pcm, depth); \
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268 hevcdsp->transform_add[0] = FUNC(transform_add4x4, depth); \
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269 hevcdsp->transform_add[1] = FUNC(transform_add8x8, depth); \
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270 hevcdsp->transform_add[2] = FUNC(transform_add16x16, depth); \
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271 hevcdsp->transform_add[3] = FUNC(transform_add32x32, depth); \
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272 hevcdsp->transform_skip = FUNC(transform_skip, depth); \
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273 hevcdsp->transform_rdpcm = FUNC(transform_rdpcm, depth); \
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274 hevcdsp->idct_4x4_luma = FUNC(transform_4x4_luma, depth); \
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275 hevcdsp->idct[0] = FUNC(idct_4x4, depth); \
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276 hevcdsp->idct[1] = FUNC(idct_8x8, depth); \
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277 hevcdsp->idct[2] = FUNC(idct_16x16, depth); \
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278 hevcdsp->idct[3] = FUNC(idct_32x32, depth); \
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279 \
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280 hevcdsp->idct_dc[0] = FUNC(idct_4x4_dc, depth); \
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281 hevcdsp->idct_dc[1] = FUNC(idct_8x8_dc, depth); \
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282 hevcdsp->idct_dc[2] = FUNC(idct_16x16_dc, depth); \
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283 hevcdsp->idct_dc[3] = FUNC(idct_32x32_dc, depth); \
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284 HEVC_DSP_PRED(depth) \
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285 hevcdsp->sao_band_filter = FUNC(sao_band_filter_0, depth); \
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286 hevcdsp->sao_edge_filter[0] = FUNC(sao_edge_filter_0, depth); \
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287 hevcdsp->sao_edge_filter[1] = FUNC(sao_edge_filter_1, depth); \
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288 \
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289 hevcdsp->hevc_h_loop_filter_luma = FUNC(hevc_h_loop_filter_luma, depth); \
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290 hevcdsp->hevc_v_loop_filter_luma = FUNC(hevc_v_loop_filter_luma, depth); \
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291 hevcdsp->hevc_h_loop_filter_chroma = FUNC(hevc_h_loop_filter_chroma, depth); \
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292 hevcdsp->hevc_v_loop_filter_chroma = FUNC(hevc_v_loop_filter_chroma, depth); \
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293 hevcdsp->hevc_h_loop_filter_luma_c = FUNC(hevc_h_loop_filter_luma, depth); \
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294 hevcdsp->hevc_v_loop_filter_luma_c = FUNC(hevc_v_loop_filter_luma, depth); \
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295 hevcdsp->hevc_h_loop_filter_chroma_c = FUNC(hevc_h_loop_filter_chroma, depth); \
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296 hevcdsp->hevc_v_loop_filter_chroma_c = FUNC(hevc_v_loop_filter_chroma, depth)
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297
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298 #ifdef USE_PRED
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299 int i = 0;
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300 #endif
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301
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302 #if defined(USE_VAR_BIT_DEPTH)
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303 HEVC_DSP(var);
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304 #else
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305 switch (bit_depth) {
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306 #ifdef USE_FULL
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307 case 9:
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308 HEVC_DSP(9);
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309 break;
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310 case 10:
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311 HEVC_DSP(10);
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312 break;
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313 case 12:
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314 HEVC_DSP(12);
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315 break;
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316 #endif /* USE_FULL */
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317 default:
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318 HEVC_DSP(8);
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319 break;
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320 }
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321 #endif /* USE_VAR_BIT_DEPTH */
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322
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323 if (ARCH_X86)
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324 ff_hevc_dsp_init_x86(hevcdsp, bit_depth);
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325 }
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