libavcodec/rv60data.h

   1 /*
   2  * RV60 decoder
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef AVCODEC_RV60DATA_H
  22 #define AVCODEC_RV60DATA_H
  23
  24 #include <stdint.h>
  25
  26 static const uint8_t rv60_candidate_intra_angles[6] = {
  27     0, 1, 10, 26, 18, 2
  28 };
  29
  30 static const uint8_t rv60_ipred_angle[9] = {
  31     0, 2, 5, 9, 13, 17, 21, 26, 32
  32 };
  33
  34 static const uint16_t rv60_ipred_inv_angle[9] = {
  35     0, 4096, 1638, 910, 630, 482, 390, 315, 256
  36 };
  37
  38 static const uint8_t rv60_avail_mask[64] = {
  39     0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 0, 3, 0, 1, 0, 0xF,
  40     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  41     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  42     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
  43 };
  44
  45 static const uint8_t rv60_edge1[4] = {
  46     0, 2, 2, 2
  47 };
  48
  49 static const uint8_t rv60_edge2[4] = {
  50     0, 3, 3, 3
  51 };
  52
  53 static const uint8_t rv60_qp_to_idx[64] = {
  54     0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3,
  55     3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 0,
  56     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
  57     2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 0, 0
  58 };
  59
  60 static const uint16_t rv60_quants_b[32] = {
  61      60,   67,   76,   85,   96,  108,  121,  136,
  62     152,  171,  192,  216,  242,  272,  305,  341,
  63     383,  432,  481,  544,  606,  683,  767,  854,
  64     963, 1074, 1212, 1392, 1566, 1708, 1978, 2211
  65 };
  66
  67 static const uint8_t rv60_chroma_quant_dc[32] = {
  68      0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13,
  69     14, 15, 15, 16, 17, 18, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23
  70 };
  71
  72 static const uint8_t rv60_chroma_quant_ac[32] = {
  73      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
  74     16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 23, 24, 24, 25, 25
  75 };
  76
  77 static const uint8_t rv60_dsc_to_lx[][4] = {
  78     {0, 0, 0, 1}, {0, 0, 0, 2}, {0, 0, 1, 0},
  79     {0, 0, 1, 1}, {0, 0, 1, 2}, {0, 0, 2, 0}, {0, 0, 2, 1},
  80     {0, 0, 2, 2}, {0, 1, 0, 0}, {0, 1, 0, 1}, {0, 1, 0, 2},
  81     {0, 1, 1, 0}, {0, 1, 1, 1}, {0, 1, 1, 2}, {0, 1, 2, 0},
  82     {0, 1, 2, 1}, {0, 1, 2, 2}, {0, 2, 0, 0}, {0, 2, 0, 1},
  83     {0, 2, 0, 2}, {0, 2, 1, 0}, {0, 2, 1, 1}, {0, 2, 1, 2},
  84     {0, 2, 2, 0}, {0, 2, 2, 1}, {0, 2, 2, 2}, {1, 0, 0, 0},
  85     {1, 0, 0, 1}, {1, 0, 0, 2}, {1, 0, 1, 0}, {1, 0, 1, 1},
  86     {1, 0, 1, 2}, {1, 0, 2, 0}, {1, 0, 2, 1}, {1, 0, 2, 2},
  87     {1, 1, 0, 0}, {1, 1, 0, 1}, {1, 1, 0, 2}, {1, 1, 1, 0},
  88     {1, 1, 1, 1}, {1, 1, 1, 2}, {1, 1, 2, 0}, {1, 1, 2, 1},
  89     {1, 1, 2, 2}, {1, 2, 0, 0}, {1, 2, 0, 1}, {1, 2, 0, 2},
  90     {1, 2, 1, 0}, {1, 2, 1, 1}, {1, 2, 1, 2}, {1, 2, 2, 0},
  91     {1, 2, 2, 1}, {1, 2, 2, 2}, {2, 0, 0, 0}, {2, 0, 0, 1},
  92     {2, 0, 0, 2}, {2, 0, 1, 0}, {2, 0, 1, 1}, {2, 0, 1, 2},
  93     {2, 0, 2, 0}, {2, 0, 2, 1}, {2, 0, 2, 2}, {2, 1, 0, 0},
  94     {2, 1, 0, 1}, {2, 1, 0, 2}, {2, 1, 1, 0}, {2, 1, 1, 1},
  95     {2, 1, 1, 2}, {2, 1, 2, 0}, {2, 1, 2, 1}, {2, 1, 2, 2},
  96     {2, 2, 0, 0}, {2, 2, 0, 1}, {2, 2, 0, 2}, {2, 2, 1, 0},
  97     {2, 2, 1, 1}, {2, 2, 1, 2}, {2, 2, 2, 0}, {2, 2, 2, 1},
  98     {2, 2, 2, 2}, {3, 0, 0, 0}, {3, 0, 0, 1}, {3, 0, 0, 2},
  99     {3, 0, 1, 0}, {3, 0, 1, 1}, {3, 0, 1, 2}, {3, 0, 2, 0},
 100     {3, 0, 2, 1}, {3, 0, 2, 2}, {3, 1, 0, 0}, {3, 1, 0, 1},
 101     {3, 1, 0, 2}, {3, 1, 1, 0}, {3, 1, 1, 1}, {3, 1, 1, 2},
 102     {3, 1, 2, 0}, {3, 1, 2, 1}, {3, 1, 2, 2}, {3, 2, 0, 0},
 103     {3, 2, 0, 1}, {3, 2, 0, 2}, {3, 2, 1, 0}, {3, 2, 1, 1},
 104     {3, 2, 1, 2}, {3, 2, 2, 0}, {3, 2, 2, 1}, {3, 2, 2, 2},
 105 };
 106
 107 static const uint8_t rv60_deblock_limits[32][4] = {
 108     {0, 0, 128,  0}, {0, 0, 128,  0}, {0, 0, 128,  0}, {0, 0, 128,  0},
 109     {0, 0, 128,  0}, {0, 0, 128,  0}, {0, 0, 128,  0}, {0, 0, 128,  0},
 110     {0, 0, 128,  3}, {0, 1, 128,  3}, {0, 1, 122,  3}, {1, 1,  96,  4},
 111     {1, 1,  75,  4}, {1, 1,  59,  4}, {1, 1,  47,  6}, {1, 1,  37,  6},
 112     {1, 1,  29,  6}, {1, 2,  23,  7}, {1, 2,  18,  8}, {1, 2,  15,  8},
 113     {1, 2,  13,  9}, {2, 3,  11,  9}, {2, 3,  10, 10}, {2, 3,   9, 10},
 114     {2, 4,   8, 11}, {3, 4,   7, 11}, {3, 5,   6, 12}, {3, 5,   5, 13},
 115     {3, 5,   4, 14}, {4, 7,   3, 15}, {5, 8,   2, 16}, {5, 9,   1, 17}
 116 };
 117
 118 #endif /* AVCODEC_RV60DATA_H */