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Rev | Author | Line No. | Line |
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4349 | Serge | 1 | /* |
2 | * MPEG1/2 tables |
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3 | * copyright (c) 2000,2001 Fabrice Bellard |
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4 | * copyright (c) 2002-2004 Michael Niedermayer |
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5 | * |
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6 | * This file is part of FFmpeg. |
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7 | * |
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8 | * FFmpeg is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU Lesser General Public |
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10 | * License as published by the Free Software Foundation; either |
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11 | * version 2.1 of the License, or (at your option) any later version. |
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12 | * |
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13 | * FFmpeg is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | * Lesser General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU Lesser General Public |
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19 | * License along with FFmpeg; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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21 | */ |
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22 | |||
23 | /** |
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24 | * @file |
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25 | * MPEG1/2 tables. |
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26 | */ |
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27 | |||
28 | #include "mpeg12data.h" |
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29 | |||
30 | const uint16_t ff_mpeg1_default_intra_matrix[256] = { |
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31 | 8, 16, 19, 22, 26, 27, 29, 34, |
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32 | 16, 16, 22, 24, 27, 29, 34, 37, |
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33 | 19, 22, 26, 27, 29, 34, 34, 38, |
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34 | 22, 22, 26, 27, 29, 34, 37, 40, |
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35 | 22, 26, 27, 29, 32, 35, 40, 48, |
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36 | 26, 27, 29, 32, 35, 40, 48, 58, |
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37 | 26, 27, 29, 34, 38, 46, 56, 69, |
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38 | 27, 29, 35, 38, 46, 56, 69, 83 |
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39 | }; |
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40 | |||
41 | const uint16_t ff_mpeg1_default_non_intra_matrix[64] = { |
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42 | 16, 16, 16, 16, 16, 16, 16, 16, |
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43 | 16, 16, 16, 16, 16, 16, 16, 16, |
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44 | 16, 16, 16, 16, 16, 16, 16, 16, |
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45 | 16, 16, 16, 16, 16, 16, 16, 16, |
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46 | 16, 16, 16, 16, 16, 16, 16, 16, |
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47 | 16, 16, 16, 16, 16, 16, 16, 16, |
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48 | 16, 16, 16, 16, 16, 16, 16, 16, |
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49 | 16, 16, 16, 16, 16, 16, 16, 16, |
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50 | }; |
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51 | |||
52 | const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { |
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53 | 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, |
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54 | }; |
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55 | const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { |
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56 | 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, |
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57 | }; |
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58 | |||
59 | const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { |
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60 | 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, |
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61 | }; |
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62 | const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { |
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63 | 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, |
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64 | }; |
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65 | |||
66 | static const uint16_t mpeg1_vlc[113][2] = { |
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67 | { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, |
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68 | { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, |
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69 | { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, |
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70 | { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 }, |
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71 | { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 }, |
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72 | { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 }, |
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73 | { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 }, |
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74 | { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 }, |
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75 | { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 }, |
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76 | { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 }, |
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77 | { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 }, |
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78 | { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 }, |
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79 | { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 }, |
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80 | { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 }, |
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81 | { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 }, |
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82 | { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 }, |
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83 | { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 }, |
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84 | { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 }, |
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85 | { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 }, |
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86 | { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 }, |
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87 | { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 }, |
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88 | { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 }, |
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89 | { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 }, |
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90 | { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 }, |
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91 | { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 }, |
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92 | { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 }, |
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93 | { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 }, |
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94 | { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 }, |
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95 | { 0x1, 6 }, /* escape */ |
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96 | { 0x2, 2 }, /* EOB */ |
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97 | }; |
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98 | |||
99 | static const uint16_t mpeg2_vlc[113][2] = { |
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100 | {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, |
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101 | {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, |
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102 | {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, |
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103 | {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14}, |
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104 | {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14}, |
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105 | {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14}, |
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106 | {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14}, |
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107 | {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15}, |
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108 | {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15}, |
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109 | {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}, |
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110 | {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8}, |
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111 | {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15}, |
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112 | {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15}, |
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113 | {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16}, |
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114 | {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, |
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115 | {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, |
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116 | {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, |
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117 | {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, |
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118 | {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, |
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119 | {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, |
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120 | {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, |
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121 | {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, |
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122 | {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, |
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123 | {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, |
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124 | {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, |
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125 | {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, |
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126 | {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, |
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127 | {0x1d,16}, {0x1c,16}, {0x1b,16}, |
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128 | {0x01,6}, /* escape */ |
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129 | {0x06,4}, /* EOB */ |
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130 | }; |
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131 | |||
132 | static const int8_t mpeg1_level[111] = { |
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133 | 1, 2, 3, 4, 5, 6, 7, 8, |
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134 | 9, 10, 11, 12, 13, 14, 15, 16, |
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135 | 17, 18, 19, 20, 21, 22, 23, 24, |
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136 | 25, 26, 27, 28, 29, 30, 31, 32, |
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137 | 33, 34, 35, 36, 37, 38, 39, 40, |
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138 | 1, 2, 3, 4, 5, 6, 7, 8, |
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139 | 9, 10, 11, 12, 13, 14, 15, 16, |
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140 | 17, 18, 1, 2, 3, 4, 5, 1, |
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141 | 2, 3, 4, 1, 2, 3, 1, 2, |
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142 | 3, 1, 2, 3, 1, 2, 1, 2, |
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143 | 1, 2, 1, 2, 1, 2, 1, 2, |
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144 | 1, 2, 1, 2, 1, 2, 1, 2, |
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145 | 1, 1, 1, 1, 1, 1, 1, 1, |
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146 | 1, 1, 1, 1, 1, 1, 1, |
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147 | }; |
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148 | |||
149 | static const int8_t mpeg1_run[111] = { |
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150 | 0, 0, 0, 0, 0, 0, 0, 0, |
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151 | 0, 0, 0, 0, 0, 0, 0, 0, |
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152 | 0, 0, 0, 0, 0, 0, 0, 0, |
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153 | 0, 0, 0, 0, 0, 0, 0, 0, |
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154 | 0, 0, 0, 0, 0, 0, 0, 0, |
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155 | 1, 1, 1, 1, 1, 1, 1, 1, |
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156 | 1, 1, 1, 1, 1, 1, 1, 1, |
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157 | 1, 1, 2, 2, 2, 2, 2, 3, |
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158 | 3, 3, 3, 4, 4, 4, 5, 5, |
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159 | 5, 6, 6, 6, 7, 7, 8, 8, |
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160 | 9, 9, 10, 10, 11, 11, 12, 12, |
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161 | 13, 13, 14, 14, 15, 15, 16, 16, |
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162 | 17, 18, 19, 20, 21, 22, 23, 24, |
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163 | 25, 26, 27, 28, 29, 30, 31, |
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164 | }; |
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165 | |||
166 | RLTable ff_rl_mpeg1 = { |
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167 | 111, |
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168 | 111, |
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169 | mpeg1_vlc, |
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170 | mpeg1_run, |
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171 | mpeg1_level, |
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172 | }; |
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173 | |||
174 | RLTable ff_rl_mpeg2 = { |
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175 | 111, |
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176 | 111, |
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177 | mpeg2_vlc, |
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178 | mpeg1_run, |
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179 | mpeg1_level, |
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180 | }; |
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181 | |||
182 | const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = { |
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183 | {0x1, 1}, |
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184 | {0x3, 3}, |
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185 | {0x2, 3}, |
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186 | {0x3, 4}, |
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187 | {0x2, 4}, |
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188 | {0x3, 5}, |
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189 | {0x2, 5}, |
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190 | {0x7, 7}, |
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191 | {0x6, 7}, |
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192 | {0xb, 8}, |
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193 | {0xa, 8}, |
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194 | {0x9, 8}, |
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195 | {0x8, 8}, |
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196 | {0x7, 8}, |
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197 | {0x6, 8}, |
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198 | {0x17, 10}, |
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199 | {0x16, 10}, |
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200 | {0x15, 10}, |
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201 | {0x14, 10}, |
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202 | {0x13, 10}, |
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203 | {0x12, 10}, |
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204 | {0x23, 11}, |
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205 | {0x22, 11}, |
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206 | {0x21, 11}, |
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207 | {0x20, 11}, |
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208 | {0x1f, 11}, |
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209 | {0x1e, 11}, |
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210 | {0x1d, 11}, |
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211 | {0x1c, 11}, |
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212 | {0x1b, 11}, |
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213 | {0x1a, 11}, |
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214 | {0x19, 11}, |
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215 | {0x18, 11}, |
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216 | {0x8, 11}, /* escape */ |
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217 | {0xf, 11}, /* stuffing */ |
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218 | {0x0, 8}, /* end (and 15 more 0 bits should follow) */ |
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219 | }; |
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220 | |||
221 | const uint8_t ff_mpeg12_mbPatTable[64][2] = { |
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222 | {0x1, 9}, |
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223 | {0xb, 5}, |
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224 | {0x9, 5}, |
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225 | {0xd, 6}, |
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226 | {0xd, 4}, |
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227 | {0x17, 7}, |
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228 | {0x13, 7}, |
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229 | {0x1f, 8}, |
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230 | {0xc, 4}, |
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231 | {0x16, 7}, |
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232 | {0x12, 7}, |
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233 | {0x1e, 8}, |
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234 | {0x13, 5}, |
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235 | {0x1b, 8}, |
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236 | {0x17, 8}, |
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237 | {0x13, 8}, |
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238 | {0xb, 4}, |
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239 | {0x15, 7}, |
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240 | {0x11, 7}, |
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241 | {0x1d, 8}, |
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242 | {0x11, 5}, |
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243 | {0x19, 8}, |
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244 | {0x15, 8}, |
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245 | {0x11, 8}, |
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246 | {0xf, 6}, |
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247 | {0xf, 8}, |
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248 | {0xd, 8}, |
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249 | {0x3, 9}, |
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250 | {0xf, 5}, |
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251 | {0xb, 8}, |
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252 | {0x7, 8}, |
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253 | {0x7, 9}, |
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254 | {0xa, 4}, |
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255 | {0x14, 7}, |
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256 | {0x10, 7}, |
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257 | {0x1c, 8}, |
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258 | {0xe, 6}, |
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259 | {0xe, 8}, |
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260 | {0xc, 8}, |
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261 | {0x2, 9}, |
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262 | {0x10, 5}, |
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263 | {0x18, 8}, |
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264 | {0x14, 8}, |
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265 | {0x10, 8}, |
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266 | {0xe, 5}, |
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267 | {0xa, 8}, |
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268 | {0x6, 8}, |
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269 | {0x6, 9}, |
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270 | {0x12, 5}, |
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271 | {0x1a, 8}, |
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272 | {0x16, 8}, |
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273 | {0x12, 8}, |
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274 | {0xd, 5}, |
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275 | {0x9, 8}, |
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276 | {0x5, 8}, |
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277 | {0x5, 9}, |
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278 | {0xc, 5}, |
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279 | {0x8, 8}, |
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280 | {0x4, 8}, |
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281 | {0x4, 9}, |
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282 | {0x7, 3}, |
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283 | {0xa, 5}, |
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284 | {0x8, 5}, |
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285 | {0xc, 6} |
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286 | }; |
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287 | |||
288 | const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = { |
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289 | { 0x1, 1 }, |
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290 | { 0x1, 2 }, |
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291 | { 0x1, 3 }, |
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292 | { 0x1, 4 }, |
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293 | { 0x3, 6 }, |
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294 | { 0x5, 7 }, |
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295 | { 0x4, 7 }, |
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296 | { 0x3, 7 }, |
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297 | { 0xb, 9 }, |
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298 | { 0xa, 9 }, |
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299 | { 0x9, 9 }, |
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300 | { 0x11, 10 }, |
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301 | { 0x10, 10 }, |
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302 | { 0xf, 10 }, |
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303 | { 0xe, 10 }, |
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304 | { 0xd, 10 }, |
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305 | { 0xc, 10 }, |
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306 | }; |
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307 | |||
308 | const AVRational ff_mpeg12_frame_rate_tab[16] = { |
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309 | { 0, 0}, |
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310 | {24000, 1001}, |
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311 | { 24, 1}, |
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312 | { 25, 1}, |
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313 | {30000, 1001}, |
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314 | { 30, 1}, |
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315 | { 50, 1}, |
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316 | {60000, 1001}, |
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317 | { 60, 1}, |
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318 | // Xing's 15fps: (9) |
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319 | { 15, 1}, |
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320 | // libmpeg3's "Unofficial economy rates": (10-13) |
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321 | { 5, 1}, |
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322 | { 10, 1}, |
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323 | { 12, 1}, |
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324 | { 15, 1}, |
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325 | { 0, 0}, |
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326 | }; |
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327 | |||
328 | const AVRational ff_mpeg2_frame_rate_tab[] = { |
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329 | { 1, 1}, |
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330 | { 2, 1}, |
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331 | { 3, 1}, |
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332 | { 4, 1}, |
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333 | { 5, 1}, |
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334 | { 6, 1}, |
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335 | { 8, 1}, |
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336 | { 9, 1}, |
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337 | { 10, 1}, |
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338 | { 12, 1}, |
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339 | { 15, 1}, |
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340 | { 16, 1}, |
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341 | { 18, 1}, |
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342 | { 20, 1}, |
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343 | { 24, 1}, |
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344 | { 25, 1}, |
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345 | { 30, 1}, |
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346 | { 32, 1}, |
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347 | { 36, 1}, |
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348 | { 40, 1}, |
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349 | { 45, 1}, |
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350 | { 48, 1}, |
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351 | { 50, 1}, |
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352 | { 60, 1}, |
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353 | { 72, 1}, |
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354 | { 75, 1}, |
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355 | { 80, 1}, |
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356 | { 90, 1}, |
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357 | { 96, 1}, |
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358 | { 100, 1}, |
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359 | { 120, 1}, |
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360 | { 150, 1}, |
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361 | { 180, 1}, |
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362 | { 200, 1}, |
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363 | { 240, 1}, |
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364 | { 750, 1001}, |
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365 | { 800, 1001}, |
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366 | { 960, 1001}, |
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367 | { 1000, 1001}, |
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368 | { 1200, 1001}, |
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369 | { 1250, 1001}, |
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370 | { 1500, 1001}, |
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371 | { 1600, 1001}, |
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372 | { 1875, 1001}, |
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373 | { 2000, 1001}, |
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374 | { 2400, 1001}, |
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375 | { 2500, 1001}, |
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376 | { 3000, 1001}, |
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377 | { 3750, 1001}, |
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378 | { 4000, 1001}, |
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379 | { 4800, 1001}, |
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380 | { 5000, 1001}, |
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381 | { 6000, 1001}, |
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382 | { 7500, 1001}, |
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383 | { 8000, 1001}, |
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384 | { 10000, 1001}, |
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385 | { 12000, 1001}, |
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386 | { 15000, 1001}, |
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387 | { 20000, 1001}, |
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388 | { 24000, 1001}, |
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389 | { 30000, 1001}, |
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390 | { 60000, 1001}, |
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391 | { 0, 0}, |
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392 | }; |
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393 | |||
394 | const float ff_mpeg1_aspect[16]={ |
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395 | 0.0000, |
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396 | 1.0000, |
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397 | 0.6735, |
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398 | 0.7031, |
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399 | |||
400 | 0.7615, |
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401 | 0.8055, |
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402 | 0.8437, |
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403 | 0.8935, |
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404 | |||
405 | 0.9157, |
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406 | 0.9815, |
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407 | 1.0255, |
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408 | 1.0695, |
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409 | |||
410 | 1.0950, |
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411 | 1.1575, |
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412 | 1.2015, |
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413 | }; |
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414 | |||
415 | const AVRational ff_mpeg2_aspect[16]={ |
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416 | {0,1}, |
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417 | {1,1}, |
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418 | {4,3}, |
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419 | {16,9}, |
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420 | {221,100}, |
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421 | {0,1}, |
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422 | {0,1}, |
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423 | {0,1}, |
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424 | {0,1}, |
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425 | {0,1}, |
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426 | {0,1}, |
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427 | {0,1}, |
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428 | {0,1}, |
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429 | {0,1}, |
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430 | {0,1}, |
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431 | {0,1}, |
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432 | }; |