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1 /*
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2 * Indeo Video v3 compatible decoder
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3 * Copyright (c) 2009 - 2011 Maxim Poliakovski
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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 #ifndef AVCODEC_INDEO3DATA_H
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23 #define AVCODEC_INDEO3DATA_H
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24
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25 #include <stdint.h>
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26
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27 #include "config.h"
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28
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29 /*
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30 * Define compressed VQ tables.
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31 */
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32
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33 #define TAB_1_1 \
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34 PD( 0, 0), E2( 2, 2), E4( -1, 3), E2( 4, 4), E4( 1, 5),\
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35 E2( -4, 4), E4( -2, 6), E4( 4, 9), E2( 9, 9), E4( 1, 10),\
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36 E4( -5, 8), E4( 9, 15), E4( -3, 12), E4( 4, 16), E2( 16, 16),\
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37 E4( 0, 18), E2( -12, 12), E4( -9, 16), E4( 11, 27), E4( 19, 28),\
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38 E4( -6, 22), E4( 4, 29), E2( 30, 30), E4( -2, 33), E4( -18, 23),\
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39 E4( -15, 30), E4( 22, 46), E4( 13, 47), E4( 35, 49), E4( -11, 41),\
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40 E4( 4, 51), E2( 54, 54), E2( -34, 34), E4( -29, 42), E4( -6, 60),\
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41 E4( 27, 76), E4( 43, 77), E4( -24, 55), E4( 14, 79), E4( 63, 83),\
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42 E4( -20, 74), E4( 2, 88), E2( 93, 93), E4( -52, 61), E4( 52, 120),\
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43 E4( -45, 75), E4( 75, 125), E4( 33, 122), E4( -13, 103), E4( -40, 96),\
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44 E4( -34, 127), E2( -89, 89), E4( -78, 105), E2( 12, 12), E2( 23, 23),\
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45 E2( 42, 42), E2( 73, 73)
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46
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47 #define TAB_1_2 \
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48 PD( 0, 0), E2( 3, 3), E4( -1, 4), E2( 7, 7), E4( 2, 8),\
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49 E4( -2, 9), E2( -6, 6), E4( 6, 13), E2( 13, 13), E4( 1, 14),\
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50 E4( -8, 12), E4( 14, 23), E4( -5, 18), E4( 6, 24), E2( 24, 24),\
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51 E4( -1, 27), E2( -17, 17), E4( -13, 23), E4( 16, 40), E4( 28, 41),\
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52 E4( -9, 33), E4( 6, 43), E2( 46, 46), E4( -4, 50), E4( -27, 34),\
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53 E4( -22, 45), E4( 34, 69), E4( 19, 70), E4( 53, 73), E4( -17, 62),\
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54 E4( 5, 77), E2( 82, 82), E2( -51, 51), E4( -43, 64), E4( -10, 90),\
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55 E4( 41, 114), E4( 64, 116), E4( -37, 82), E4( 22, 119), E4( 95, 124),\
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56 E4( -30, 111), E4( -78, 92), E4( -68, 113), E2( 18, 18), E2( 34, 34),\
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57 E2( 63, 63), E2( 109, 109)
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58
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59 #define TAB_1_3 \
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60 PD( 0, 0), E2( 4, 4), E4( -1, 5), E4( 3, 10), E2( 9, 9),\
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61 E2( -7, 7), E4( -3, 12), E4( 8, 17), E2( 17, 17), E4( 1, 19),\
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62 E4( -11, 16), E4( -6, 23), E4( 18, 31), E4( 8, 32), E2( 33, 33),\
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63 E4( -1, 36), E2( -23, 23), E4( -17, 31), E4( 21, 54), E4( 37, 55),\
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64 E4( -12, 44), E4( 8, 57), E2( 61, 61), E4( -5, 66), E4( -36, 45),\
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65 E4( -29, 60), E4( 45, 92), E4( 25, 93), E4( 71, 97), E4( -22, 83),\
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66 E4( 7, 102), E2( 109, 109), E2( -68, 68), E4( -57, 85), E4( -13, 120),\
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67 E4( -49, 110), E4(-104, 123), E2( 24, 24), E2( 46, 46), E2( 84, 84)
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68
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69 #define TAB_1_4 \
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70 PD( 0, 0), E2( 5, 5), E4( -2, 7), E2( 11, 11), E4( 3, 13),\
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71 E2( -9, 9), E4( -4, 15), E4( 11, 22), E2( 21, 21), E4( 2, 24),\
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72 E4( -14, 20), E4( 23, 38), E4( -8, 29), E4( 11, 39), E2( 41, 41),\
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73 E4( -1, 45), E2( -29, 29), E4( -22, 39), E4( 27, 67), E4( 47, 69),\
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74 E4( -15, 56), E4( 11, 71), E2( 76, 76), E4( -6, 83), E4( -45, 57),\
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75 E4( -36, 75), E4( 56, 115), E4( 31, 117), E4( 88, 122), E4( -28, 104),\
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76 E2( -85, 85), E4( -72, 106), E2( 30, 30), E2( 58, 58), E2( 105, 105)
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77
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78 #define TAB_1_5 \
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79 PD( 0, 0), E2( 6, 6), E4( -2, 8), E2( 13, 13), E4( 4, 15),\
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80 E2( -11, 11), E4( -5, 18), E4( 13, 26), E2( 26, 26), E4( 2, 29),\
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81 E4( -16, 24), E4( 28, 46), E4( -9, 35), E4( 13, 47), E2( 49, 49),\
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82 E4( -1, 54), E2( -35, 35), E4( -26, 47), E4( 32, 81), E4( 56, 83),\
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83 E4( -18, 67), E4( 13, 86), E2( 91, 91), E4( -7, 99), E4( -54, 68),\
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84 E4( -44, 90), E4( -33, 124), E2(-103, 103), E4( -86, 127), E2( 37, 37),\
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85 E2( 69, 69)
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86
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87 #define TAB_1_6 \
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88 PD( 0, 0), E2( 7, 7), E4( -3, 10), E2( 16, 16), E4( 5, 18),\
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89 E2( -13, 13), E4( -6, 21), E4( 15, 30), E2( 30, 30), E4( 2, 34),\
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90 E4( -19, 28), E4( 32, 54), E4( -11, 41), E4( 15, 55), E2( 57, 57),\
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91 E4( -1, 63), E2( -40, 40), E4( -30, 55), E4( 37, 94), E4( 65, 96),\
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92 E4( -21, 78), E4( 15, 100), E2( 106, 106), E4( -8, 116), E4( -63, 79),\
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93 E4( -51, 105), E2(-120, 120), E2( 43, 43), E2( 80, 80)
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94
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95 #define TAB_1_7 \
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96 PD( 0, 0), E2( 8, 8), E4( -3, 11), E2( 18, 18), E4( 5, 20),\
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97 E2( -15, 15), E4( -7, 24), E4( 17, 35), E2( 34, 34), E4( 3, 38),\
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98 E4( -22, 32), E4( 37, 61), E4( -13, 47), E4( 17, 63), E2( 65, 65),\
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99 E4( -1, 72), E2( -46, 46), E4( -35, 63), E4( 43, 107), E4( 75, 110),\
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100 E4( -24, 89), E4( 17, 114), E2( 121, 121), E4( -72, 91), E4( -58, 120),\
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101 E2( 49, 49), E2( 92, 92)
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102
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103 #define TAB_1_8 \
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104 PD( 0, 0), E2( 9, 9), E4( -3, 12), E2( 20, 20), E4( 6, 23),\
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105 E2( -17, 17), E4( -7, 27), E4( 19, 39), E2( 39, 39), E4( 3, 43),\
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106 E4( -24, 36), E4( 42, 69), E4( -14, 53), E4( 19, 71), E2( 73, 73),\
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107 E4( -2, 80), E2( -52, 52), E4( -39, 70), E4( 48, 121), E4( 84, 124),\
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108 E4( -27, 100), E4( -81, 102), E2( 55, 55), E2( 104, 104)
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109
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110 #define TAB_2_1 \
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111 PD( 0, 0), E2( 2, 2), E4( 0, 2), E2( 4, 4), E4( 0, 4),\
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112 E2( -4, 4), E4( -2, 6), E4( 4, 8), E2( 8, 8), E4( 0, 10),\
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113 E4( -4, 8), E4( 8, 14), E4( -2, 12), E4( 4, 16), E2( 16, 16),\
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114 E4( 0, 18), E2( -12, 12), E4( -8, 16), E4( 10, 26), E4( 18, 28),\
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115 E4( -6, 22), E4( 4, 28), E2( 30, 30), E4( -2, 32), E4( -18, 22),\
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116 E4( -14, 30), E4( 22, 46), E4( 12, 46), E4( 34, 48), E4( -10, 40),\
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117 E4( 4, 50), E2( 54, 54), E2( -34, 34), E4( -28, 42), E4( -6, 60),\
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118 E4( 26, 76), E4( 42, 76), E4( -24, 54), E4( 14, 78), E4( 62, 82),\
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119 E4( -20, 74), E4( 2, 88), E2( 92, 92), E4( -52, 60), E4( 52, 118),\
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120 E4( -44, 74), E4( 74, 118), E4( 32, 118), E4( -12, 102), E4( -40, 96),\
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121 E4( -34, 118), E2( -88, 88), E4( -78, 104), E2( 12, 12), E2( 22, 22),\
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122 E2( 42, 42), E2( 72, 72)
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123
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124 #define TAB_2_2 \
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125 PD( 0, 0), E2( 3, 3), E4( 0, 3), E2( 6, 6), E4( 3, 9),\
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126 E4( -3, 9), E2( -6, 6), E4( 6, 12), E2( 12, 12), E4( 0, 15),\
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127 E4( -9, 12), E4( 15, 24), E4( -6, 18), E4( 6, 24), E2( 24, 24),\
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128 E4( 0, 27), E2( -18, 18), E4( -12, 24), E4( 15, 39), E4( 27, 42),\
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129 E4( -9, 33), E4( 6, 42), E2( 45, 45), E4( -3, 51), E4( -27, 33),\
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130 E4( -21, 45), E4( 33, 69), E4( 18, 69), E4( 54, 72), E4( -18, 63),\
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131 E4( 6, 78), E2( 81, 81), E2( -51, 51), E4( -42, 63), E4( -9, 90),\
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132 E4( 42, 114), E4( 63, 117), E4( -36, 81), E4( 21, 120), E4( 96, 123),\
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133 E4( -30, 111), E4( -78, 93), E4( -69, 114), E2( 18, 18), E2( 33, 33),\
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134 E2( 63, 63), E2( 108, 108)
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135
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136 #define TAB_2_3 \
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137 PD( 0, 0), E2( 4, 4), E4( 0, 4), E4( 4, 8), E2( 8, 8),\
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138 E2( -8, 8), E4( -4, 12), E4( 8, 16), E2( 16, 16), E4( 0, 20),\
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139 E4( -12, 16), E4( -4, 24), E4( 16, 32), E4( 8, 32), E2( 32, 32),\
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140 E4( 0, 36), E2( -24, 24), E4( -16, 32), E4( 20, 52), E4( 36, 56),\
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141 E4( -12, 44), E4( 8, 56), E2( 60, 60), E4( -4, 64), E4( -36, 44),\
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142 E4( -28, 60), E4( 44, 92), E4( 24, 92), E4( 72, 96), E4( -20, 84),\
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143 E4( 8, 100), E2( 108, 108), E2( -68, 68), E4( -56, 84), E4( -12, 120),\
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144 E4( -48, 108), E4(-104, 124), E2( 24, 24), E2( 44, 44), E2( 84, 84)
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145
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146 #define TAB_2_4 \
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147 PD( 0, 0), E2( 5, 5), E4( 0, 5), E2( 10, 10), E4( 5, 15),\
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148 E2( -10, 10), E4( -5, 15), E4( 10, 20), E2( 20, 20), E4( 0, 25),\
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149 E4( -15, 20), E4( 25, 40), E4( -10, 30), E4( 10, 40), E2( 40, 40),\
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150 E4( 0, 45), E2( -30, 30), E4( -20, 40), E4( 25, 65), E4( 45, 70),\
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151 E4( -15, 55), E4( 10, 70), E2( 75, 75), E4( -5, 85), E4( -45, 55),\
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152 E4( -35, 75), E4( 55, 115), E4( 30, 115), E4( 90, 120), E4( -30, 105),\
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153 E2( -85, 85), E4( -70, 105), E2( 30, 30), E2( 60, 60), E2( 105, 105)
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154
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155 #define TAB_2_5 \
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156 PD( 0, 0), E2( 6, 6), E4( 0, 6), E2( 12, 12), E4( 6, 12),\
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157 E2( -12, 12), E4( -6, 18), E4( 12, 24), E2( 24, 24), E4( 0, 30),\
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158 E4( -18, 24), E4( 30, 48), E4( -6, 36), E4( 12, 48), E2( 48, 48),\
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159 E4( 0, 54), E2( -36, 36), E4( -24, 48), E4( 30, 78), E4( 54, 84),\
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160 E4( -18, 66), E4( 12, 84), E2( 90, 90), E4( -6, 96), E4( -54, 66),\
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161 E4( -42, 90), E4( -30, 126), E2(-102, 102), E4( -84, 126), E2( 36, 36),\
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162 E2( 66, 66)
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163
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164 #define TAB_2_6 \
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165 PD( 0, 0), E2( 7, 7), E4( 0, 7), E2( 14, 14), E4( 7, 21),\
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166 E2( -14, 14), E4( -7, 21), E4( 14, 28), E2( 28, 28), E4( 0, 35),\
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167 E4( -21, 28), E4( 35, 56), E4( -14, 42), E4( 14, 56), E2( 56, 56),\
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168 E4( 0, 63), E2( -42, 42), E4( -28, 56), E4( 35, 91), E4( 63, 98),\
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169 E4( -21, 77), E4( 14, 98), E2( 105, 105), E4( -7, 119), E4( -63, 77),\
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170 E4( -49, 105), E2(-119, 119), E2( 42, 42), E2( 77, 77)
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171
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172 #define TAB_2_7 \
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173 PD( 0, 0), E2( 8, 8), E4( 0, 8), E2( 16, 16), E4( 8, 16),\
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174 E2( -16, 16), E4( -8, 24), E4( 16, 32), E2( 32, 32), E4( 0, 40),\
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175 E4( -24, 32), E4( 40, 64), E4( -16, 48), E4( 16, 64), E2( 64, 64),\
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176 E4( 0, 72), E2( -48, 48), E4( -32, 64), E4( 40, 104), E4( 72, 112),\
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177 E4( -24, 88), E4( 16, 112), E2( 120, 120), E4( -72, 88), E4( -56, 120),\
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178 E2( 48, 48), E2( 88, 88)
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179
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180 #define TAB_2_8 \
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181 PD( 0, 0), E2( 9, 9), E4( 0, 9), E2( 18, 18), E4( 9, 27),\
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182 E2( -18, 18), E4( -9, 27), E4( 18, 36), E2( 36, 36), E4( 0, 45),\
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183 E4( -27, 36), E4( 45, 72), E4( -18, 54), E4( 18, 72), E2( 72, 72),\
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184 E4( 0, 81), E2( -54, 54), E4( -36, 72), E4( 45, 117), E4( 81, 126),\
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185 E4( -27, 99), E4( -81, 99), E2( 54, 54), E2( 108, 108)
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186
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187 #define TAB_3_1 \
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188 PD( 0, 0), E2( 2, 2), E4( 0, 3), E2( 6, 6), E4( 0, 7),\
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189 E2( -5, 5), E2( 5, -5), E4( 6, 11), E4( 0, 8), E2( 11, 11),\
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190 E4( 0, 12), E4( 12, 17), E2( 17, 17), E4( 6, 18), E4( -8, 11),\
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191 E4( 0, 15), E4( 0, 20), E4( 18, 25), E4( 11, 25), E2( 25, 25),\
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192 E2( -14, 14), E2( 14, -14), E4( 0, 26), E4( -11, 18), E4( -7, 22),\
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193 E4( 26, 34), E4( 18, 34), E2( 34, 34), E4( 11, 35), E4( 0, 29),\
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194 E4( -19, 22), E4( -15, 26), E4( 0, 37), E4( 27, 44), E4( 36, 44),\
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195 E4( 18, 44), E4( -10, 33), E2( 45, 45)
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196
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197 #define TAB_3_2 \
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198 PD( 0, 0), E4( 0, 2), E2( 2, 2), E2( 6, 6), E4( 0, 6),\
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199 E2( -4, 4), E2( 10, -6), E2( 0, -12), PD( -6, -12), E2( 6, -12),\
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200 PD( 6, 12), E2( -14, 0), E2( 12, 12), E2( 0, -18), E2( 14, -12),\
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201 PD( -18, -6), E2( 18, -6), PD( 18, 6), PD( -10, -18), E2( 10, -18),\
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202 PD( 10, 18), E2( -22, 0), E2( 0, -24), PD( -22, -12), E2( 22, -12),\
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203 PD( 22, 12), PD( -8, -24), E2( 8, -24), PD( 8, 24), PD( -26, -6),\
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204 E2( 26, -6), PD( 26, 6), E2( -28, 0), E2( 20, 20), E2( -14, -26),\
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205 E2( -30, -12), E2( -10, -32), E2( -18, -32), E2( -26, -26), E2( -34, -20),\
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206 E2( -38, -12), E2( -32, -32), PD( 32, 32), PD( -22, -40), E2( -34, -34)
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207
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208 #define TAB_3_3 \
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209 PD( 0, 0), E4( 0, 2), E2( 4, 4), E2( 10, 10), E4( 0, 10),\
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210 E2( -6, 6), E2( 14, -8), E2( -18, 0), E2( 10, -16), E2( 0, -24),\
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211 PD( -24, -8), E2( 24, -8), PD( 24, 8), E2( 18, 18), E2( 20, -16),\
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212 PD( -14, -26), E2( 14, -26), PD( 14, 26), E2( -30, 0), E2( 0, -34),\
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213 PD( -34, -8), E2( 34, -8), PD( 34, 8), PD( -30, -18), E2( 30, -18),\
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214 PD( 30, 18), PD( -10, -34), E2( 10, -34), PD( 10, 34), E2( -20, -34),\
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215 E2( -40, 0), E2( 30, 30), E2( -40, -18), E2( 0, -44), E2( -16, -44),\
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216 PD( -36, -36), E2( -36, -36), E2( -26, -44), E2( -46, -26), E2( -52, -18),\
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217 PD( -20, -54), E2( -44, -44), PD( -32, -54), PD( -46, -46), E2( -46, -46)
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218
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219 #define TAB_3_4 \
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220 PD( 0, 0), E4( 0, 4), E2( 4, 4), E2( 12, 12), E4( 0, 12),\
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221 E2( -8, 8), E2( 8, -16), E2( 0, -24), PD( -24, -8), E2( 24, -8),\
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222 PD( 24, 8), E2( 20, -16), E2( -28, 0), PD( -16, -24), E2( 16, -24),\
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223 PD( 16, 24), E2( 0, -32), PD( -28, -16), E2( 28, -16), PD( 28, 16),\
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224 PD( -8, -32), PD( 8, -32), PD( -32, -8), E2( 32, -8), PD( 32, 8),\
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225 PD( -8, 32), PD( 8, 32), E2( 24, 24), E2( 24, -24), E2( -20, -32),\
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226 E2( -40, 0), E2( -40, -16), PD( 0, -44), PD( 0, -44), E2( -44, 0),\
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227 PD( 0, 44), PD( 0, 44), E2( -32, -32), E2( -16, -44), PD( -24, -44),\
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228 E2( -44, -24), PD( 24, 44), E2( -48, -16), PD( -36, -36), E2( -36, -36),\
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229 PD( 36, 36), PD( -20, -52), E2( 40, 40), PD( -32, -52)
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230
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231 #define TAB_3_5 \
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232 PD( 0, 0), E2( 2, 2), E2( 6, 6), E2( 12, 12), E2( 20, 20),\
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233 E2( 32, 32), E2( 46, 46)
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234
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235
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236 /**
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237 * Pack two delta values (a,b) into one 16bit word
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238 * according with endianness of the host machine.
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239 */
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240 #if HAVE_BIGENDIAN
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241 #define PD(a,b) (((a) << 8) + (b))
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242 #else
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243 #define PD(a,b) (((b) << 8) + (a))
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244 #endif
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245
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246 /**
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247 * Expand a pair of delta values (a,b)
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248 * into two/four delta entries.
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249 */
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250 #define E2(a, b) PD(a, b), PD(-(a), -(b))
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251 #define E4(a, b) PD(a, b), PD(-(a), -(b)), PD(b, a), PD(-(b), -(a))
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252
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253 /*
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254 * VQ tables for 4x4 block modes.
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255 * Let the compiler decompress and build the tables for us.
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256 */
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257 static const int16_t delta_tab_1_1[195] = { TAB_1_1 };
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258 static const int16_t delta_tab_1_2[159] = { TAB_1_2 };
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259 static const int16_t delta_tab_1_3[133] = { TAB_1_3 };
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260 static const int16_t delta_tab_1_4[115] = { TAB_1_4 };
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261 static const int16_t delta_tab_1_5[101] = { TAB_1_5 };
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262 static const int16_t delta_tab_1_6[93] = { TAB_1_6 };
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263 static const int16_t delta_tab_1_7[87] = { TAB_1_7 };
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264 static const int16_t delta_tab_1_8[77] = { TAB_1_8 };
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265
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266 static const int16_t delta_tab_2_1[195] = { TAB_2_1 };
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267 static const int16_t delta_tab_2_2[159] = { TAB_2_2 };
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268 static const int16_t delta_tab_2_3[133] = { TAB_2_3 };
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269 static const int16_t delta_tab_2_4[115] = { TAB_2_4 };
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270 static const int16_t delta_tab_2_5[101] = { TAB_2_5 };
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271 static const int16_t delta_tab_2_6[93] = { TAB_2_6 };
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272 static const int16_t delta_tab_2_7[87] = { TAB_2_7 };
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273 static const int16_t delta_tab_2_8[77] = { TAB_2_8 };
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274
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275 static const int16_t delta_tab_3_1[128] = { TAB_3_1 };
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276 static const int16_t delta_tab_3_2[79] = { TAB_3_2 };
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277 static const int16_t delta_tab_3_3[79] = { TAB_3_3 };
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278 static const int16_t delta_tab_3_4[79] = { TAB_3_4 };
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279 static const int16_t delta_tab_3_5[79] = { TAB_3_5 };
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280
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281 #undef PD
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282
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283 /**
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284 * Pack four delta values (a,a,b,b) into one 32bit word
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285 * according with endianness of the host machine.
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286 */
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287 #if HAVE_BIGENDIAN
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288 #define PD(a,b) (((a) << 24) + ((a) << 16) + ((b) << 8) + (b))
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289 #else
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290 #define PD(a,b) (((b) << 24) + ((b) << 16) + ((a) << 8) + (a))
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291 #endif
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292
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293 /*
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294 * VQ tables for 8x8 block modes.
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295 * Those are based on the same delta tables by using
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296 * each value twice: ABCD --> AABBCCDD.
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297 */
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298 static const int32_t delta_tab_1_1_m10[195] = { TAB_1_1 };
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299 static const int32_t delta_tab_1_2_m10[159] = { TAB_1_2 };
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300 static const int32_t delta_tab_1_3_m10[133] = { TAB_1_3 };
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301 static const int32_t delta_tab_1_4_m10[115] = { TAB_1_4 };
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302 static const int32_t delta_tab_1_5_m10[101] = { TAB_1_5 };
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303 static const int32_t delta_tab_1_6_m10[93] = { TAB_1_6 };
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304 static const int32_t delta_tab_1_7_m10[87] = { TAB_1_7 };
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305 static const int32_t delta_tab_1_8_m10[77] = { TAB_1_8 };
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306
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307 static const int32_t delta_tab_2_1_m10[195] = { TAB_2_1 };
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308 static const int32_t delta_tab_2_2_m10[159] = { TAB_2_2 };
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309 static const int32_t delta_tab_2_3_m10[133] = { TAB_2_3 };
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310 static const int32_t delta_tab_2_4_m10[115] = { TAB_2_4 };
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311 static const int32_t delta_tab_2_5_m10[101] = { TAB_2_5 };
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312 static const int32_t delta_tab_2_6_m10[93] = { TAB_2_6 };
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313 static const int32_t delta_tab_2_7_m10[87] = { TAB_2_7 };
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314 static const int32_t delta_tab_2_8_m10[77] = { TAB_2_8 };
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315
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316 static const int32_t delta_tab_3_1_m10[128] = { TAB_3_1 };
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317 static const int32_t delta_tab_3_2_m10[79] = { TAB_3_2 };
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318 static const int32_t delta_tab_3_3_m10[79] = { TAB_3_3 };
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319 static const int32_t delta_tab_3_4_m10[79] = { TAB_3_4 };
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320 static const int32_t delta_tab_3_5_m10[79] = { TAB_3_5 };
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321
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322
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323 typedef struct vqEntry {
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324 const int16_t *deltas; ///< delta tables for 4x4 block modes
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325 const int32_t *deltas_m10; ///< delta tables for 8x8 block modes
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326 uint8_t num_dyads; ///< number of two-pixel deltas
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327 uint8_t quad_exp; ///< log2 of four-pixel deltas
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328 } vqEntry;
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329
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330 static const vqEntry vq_tab[24] = {
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331 /* set 1 */
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332 { delta_tab_1_1, delta_tab_1_1_m10, 195, 7 },
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333 { delta_tab_1_2, delta_tab_1_2_m10, 159, 9 },
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334 { delta_tab_1_3, delta_tab_1_3_m10, 133, 10 },
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335 { delta_tab_1_4, delta_tab_1_4_m10, 115, 11 },
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336 { delta_tab_1_5, delta_tab_1_5_m10, 101, 12 },
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337 { delta_tab_1_6, delta_tab_1_6_m10, 93, 12 },
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338 { delta_tab_1_7, delta_tab_1_7_m10, 87, 12 },
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339 { delta_tab_1_8, delta_tab_1_8_m10, 77, 13 },
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340
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341 /* set 2 */
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342 { delta_tab_2_1, delta_tab_2_1_m10, 195, 7 },
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343 { delta_tab_2_2, delta_tab_2_2_m10, 159, 9 },
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344 { delta_tab_2_3, delta_tab_2_3_m10, 133, 10 },
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345 { delta_tab_2_4, delta_tab_2_4_m10, 115, 11 },
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346 { delta_tab_2_5, delta_tab_2_5_m10, 101, 12 },
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347 { delta_tab_2_6, delta_tab_2_6_m10, 93, 12 },
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348 { delta_tab_2_7, delta_tab_2_7_m10, 87, 12 },
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349 { delta_tab_2_8, delta_tab_2_8_m10, 77, 13 },
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350
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351 /* set 3 */
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352 { delta_tab_3_1, delta_tab_3_1_m10, 128, 11 },
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353 { delta_tab_3_2, delta_tab_3_2_m10, 79, 13 },
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354 { delta_tab_3_3, delta_tab_3_3_m10, 79, 13 },
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355 { delta_tab_3_4, delta_tab_3_4_m10, 79, 13 },
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356 { delta_tab_3_5, delta_tab_3_5_m10, 79, 13 },
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357 { delta_tab_3_5, delta_tab_3_5_m10, 79, 13 },
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358 { delta_tab_3_5, delta_tab_3_5_m10, 79, 13 },
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359 { delta_tab_3_5, delta_tab_3_5_m10, 79, 13 }
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360 };
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361
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362 #endif /* AVCODEC_INDEO3DATA_H */
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