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83 lines
2.6 KiB
83 lines
2.6 KiB
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/* dc encoding for mpeg4 */ |
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static const UINT8 DCtab_lum[13][2] = |
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{ |
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{3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, |
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{1,8}, {1,9}, {1,10}, {1,11}, |
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}; |
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static const UINT8 DCtab_chrom[13][2] = |
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{ |
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{3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8}, |
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{1,9}, {1,10}, {1,11}, {1,12}, |
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}; |
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const UINT16 intra_vlc[103][2] = { |
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{ 0x2, 2 }, |
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{ 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 }, |
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{ 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 }, |
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{ 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 }, |
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{ 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 }, |
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{ 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 }, |
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{ 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 }, |
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{ 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 }, |
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{ 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 }, |
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{ 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 }, |
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{ 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 }, |
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{ 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 }, |
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{ 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 }, |
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{ 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 }, |
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{ 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 }, |
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{ 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 }, |
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{ 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 }, |
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{ 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 }, |
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{ 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 }, |
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{ 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 }, |
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{ 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 }, |
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{ 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 }, |
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{ 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 }, |
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{ 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 }, |
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{ 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 }, |
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{ 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 }, |
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{ 0x5f, 12 },{ 0x3, 7 }, |
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}; |
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const INT8 intra_level[102] = { |
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1, 2, 3, 4, 5, 6, 7, 8, |
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9, 10, 11, 12, 13, 14, 15, 16, |
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17, 18, 19, 20, 21, 22, 23, 24, |
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25, 26, 27, 1, 2, 3, 4, 5, |
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6, 7, 8, 9, 10, 1, 2, 3, |
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4, 5, 1, 2, 3, 4, 1, 2, |
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3, 1, 2, 3, 1, 2, 3, 1, |
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2, 3, 1, 2, 1, 2, 1, 1, |
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1, 1, 1, 1, 2, 3, 4, 5, |
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6, 7, 8, 1, 2, 3, 1, 2, |
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1, 2, 1, 2, 1, 2, 1, 2, |
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1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, |
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}; |
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const INT8 intra_run[102] = { |
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0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 2, 2, 2, |
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2, 2, 3, 3, 3, 3, 4, 4, |
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4, 5, 5, 5, 6, 6, 6, 7, |
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7, 7, 8, 8, 9, 9, 10, 11, |
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12, 13, 14, 0, 0, 0, 0, 0, |
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0, 0, 0, 1, 1, 1, 2, 2, |
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3, 3, 4, 4, 5, 5, 6, 6, |
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7, 8, 9, 10, 11, 12, 13, 14, |
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15, 16, 17, 18, 19, 20, |
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}; |
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static RLTable rl_intra = { |
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102, |
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67, |
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intra_vlc, |
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intra_run, |
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intra_level, |
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};
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