VP8 compatible video decoder. More...

#include "vp8.h"
#include "h264pred.h"

Data Structures
struct	VP7MVPred

Macros
#define	VP7_MV_PRED_COUNT 12

Variables
static const uint8_t	vp7_pred4x4_mode []

static const uint8_t	vp8_pred4x4_mode []

static const int8_t	vp8_pred16x16_tree_intra [4][2]

static const int8_t	vp8_pred16x16_tree_inter [4][2]

static const VP7MVPred	vp7_mv_pred [VP7_MV_PRED_COUNT]

static const int	vp7_mode_contexts [31][4]

static const int	vp8_mode_contexts [6][4]

static const uint8_t	vp8_mbsplits [5][16]

static const uint8_t	vp8_mbfirstidx [4][16]

static const uint8_t	vp8_mbsplit_count [4]

static const uint8_t	vp8_mbsplit_prob [3]

static const uint8_t	vp7_submv_prob [3]

static const uint8_t	vp8_submv_prob [5][3]

static const uint8_t	vp8_pred16x16_prob_intra [4]

static const uint8_t	vp8_pred16x16_prob_inter [4]

static const int8_t	vp8_pred4x4_tree [9][2]

static const int8_t	vp8_pred8x8c_tree [3][2]

static const uint8_t	vp8_pred8x8c_prob_intra [3]

static const uint8_t	vp8_pred8x8c_prob_inter [3]

static const uint8_t	vp8_pred4x4_prob_inter [9]

static const uint8_t	vp8_pred4x4_prob_intra [10][10][9]

static const int8_t	vp8_segmentid_tree [][2]

static const uint8_t	vp8_coeff_band [16]

static const int8_t	vp8_coeff_band_indexes [8][10]

static const uint8_t	vp8_dct_cat1_prob []

static const uint8_t	vp8_dct_cat2_prob []

static const uint8_t	vp8_dct_cat3_prob []

static const uint8_t	vp8_dct_cat4_prob []

static const uint8_t	vp8_dct_cat5_prob []

static const uint8_t	vp8_dct_cat6_prob []

const uint8_t *const	ff_vp8_dct_cat_prob []

static const uint8_t	vp8_token_default_probs [4][8][3][NUM_DCT_TOKENS-1]

static const uint8_t	vp8_token_update_probs [4][8][3][NUM_DCT_TOKENS-1]

static const uint8_t	zigzag_scan [16]

static const uint8_t	vp8_dc_qlookup [VP8_MAX_QUANT+1]

static const uint16_t	vp8_ac_qlookup [VP8_MAX_QUANT+1]

static const uint8_t	vp8_mv_update_prob [2][19]

static const uint8_t	vp7_mv_default_prob [2][17]

static const uint8_t	vp8_mv_default_prob [2][19]

static const uint8_t	vp7_feature_value_size [2][4]

static const int8_t	vp7_feature_index_tree [4][2]

static const uint16_t	vp7_ydc_qlookup []

static const uint16_t	vp7_yac_qlookup []

static const uint16_t	vp7_y2dc_qlookup []

static const uint16_t	vp7_y2ac_qlookup []

Detailed Description

VP8 compatible video decoder.

Definition in file vp8data.h.

Macro Definition Documentation

#define VP7_MV_PRED_COUNT 12

Definition at line 68 of file vp8data.h.

Referenced by vp7_decode_mvs().

Variable Documentation

const uint8_t vp7_pred4x4_mode[]

static

Initial value:

= {
    [DC_PRED8x8]    = DC_PRED,
    [VERT_PRED8x8]  = TM_VP8_PRED,
    [HOR_PRED8x8]   = TM_VP8_PRED,
    [PLANE_PRED8x8] = TM_VP8_PRED,
}

Definition at line 33 of file vp8data.h.

Referenced by decode_mb_mode().

const uint8_t vp8_pred4x4_mode[]

static

Initial value:

= {
    [DC_PRED8x8]    = DC_PRED,
    [VERT_PRED8x8]  = VERT_PRED,
    [HOR_PRED8x8]   = HOR_PRED,
    [PLANE_PRED8x8] = TM_VP8_PRED,
}

Definition at line 40 of file vp8data.h.

Referenced by decode_mb_mode().

const int8_t vp8_pred16x16_tree_intra[4][2]

static

Initial value:

= {
    {   -MODE_I4x4,              1 }, 
    {            2,              3 },
    {  -DC_PRED8x8,  -VERT_PRED8x8 }, 
    { -HOR_PRED8x8, -PLANE_PRED8x8 }, 
}

Definition at line 47 of file vp8data.h.

Referenced by decode_mb_mode().

const int8_t vp8_pred16x16_tree_inter[4][2]

static

Initial value:

= {
    {    -DC_PRED8x8,            1 }, 
    {              2,            3 },
    {  -VERT_PRED8x8, -HOR_PRED8x8 }, 
    { -PLANE_PRED8x8,   -MODE_I4x4 }, 
}

Definition at line 54 of file vp8data.h.

Referenced by decode_mb_mode().

const VP7MVPred vp7_mv_pred[VP7_MV_PRED_COUNT]

static

Initial value:

= {
    { -1,  0, 12, 8 },
    {  0, -1,  3, 8 },
    { -1, -1, 15, 2 },
    { -1,  1, 12, 2 },
    { -2,  0, 12, 2 },
    {  0, -2,  3, 2 },
    { -1, -2, 15, 1 },
    { -2, -1, 15, 1 },
    { -2,  1, 12, 1 },
    { -1,  2, 12, 1 },
    { -2, -2, 15, 1 },
    { -2,  2, 12, 1 },
}

Definition at line 69 of file vp8data.h.

Referenced by vp7_decode_mvs().

const int vp7_mode_contexts[31][4]

static

Definition at line 84 of file vp8data.h.

Referenced by vp7_decode_mvs().

const int vp8_mode_contexts[6][4]

static

Initial value:

= {
    {   7,   1,   1, 143 },
    {  14,  18,  14, 107 },
    { 135,  64,  57,  68 },
    {  60,  56, 128,  65 },
    { 159, 134, 128,  34 },
    { 234, 188, 128,  28 },
}

Definition at line 118 of file vp8data.h.

Referenced by vp8_decode_mvs().

const uint8_t vp8_mbsplits[5][16]

static

Initial value:

= {
    { 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,  1,  1,  1,  1,  1,  1 },
    { 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,  1,  1,  0,  0,  1,  1 },
    { 0, 0, 1, 1, 0, 0, 1, 1, 2, 2,  3,  3,  2,  2,  3,  3 },
    { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0,  0,  0,  0,  0,  0 }
}

Definition at line 127 of file vp8data.h.

Referenced by decode_splitmvs(), and get_bmv_ptr().

const uint8_t vp8_mbfirstidx[4][16]

static

Initial value:

= {
    { 0, 8 },
    { 0, 2 },
    { 0, 2, 8, 10 },
    { 0, 1, 2,  3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }
}

Definition at line 135 of file vp8data.h.

Referenced by decode_splitmvs().

const uint8_t vp8_mbsplit_count[4]

static

Initial value:

= {
    2, 2, 4, 16
}

Definition at line 142 of file vp8data.h.

Referenced by decode_splitmvs().

const uint8_t vp8_mbsplit_prob[3]

static

Initial value:

= {
    110, 111, 150
}

Definition at line 145 of file vp8data.h.

Referenced by decode_splitmvs().

const uint8_t vp7_submv_prob[3]

static

Initial value:

= {
    180, 162, 25
}

Definition at line 149 of file vp8data.h.

Referenced by get_submv_prob().

const uint8_t vp8_submv_prob[5][3]

static

Initial value:

= {
    { 147, 136,  18 },
    { 106, 145,   1 },
    { 179, 121,   1 },
    { 223,   1,  34 },
    { 208,   1,   1 }
}

Definition at line 153 of file vp8data.h.

Referenced by get_submv_prob().

const uint8_t vp8_pred16x16_prob_intra[4]

static

Initial value:

= {
    145, 156, 163, 128
}

Definition at line 161 of file vp8data.h.

Referenced by decode_mb_mode().

const uint8_t vp8_pred16x16_prob_inter[4]

static

Initial value:

= {
    112,  86, 140,  37
}

Definition at line 164 of file vp8data.h.

Referenced by vp7_decode_frame_header(), and vp8_decode_frame_header().

const int8_t vp8_pred4x4_tree[9][2]

static

Initial value:

= {
    {              -DC_PRED,                1 }, 
    {          -TM_VP8_PRED,                2 }, 
    {            -VERT_PRED,                3 }, 
    {                     4,                6 },
    {             -HOR_PRED,                5 }, 
    { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED }, 
    {  -DIAG_DOWN_LEFT_PRED,                7 }, 
    {       -VERT_LEFT_PRED,                8 }, 
    {        -HOR_DOWN_PRED,     -HOR_UP_PRED }, 
}

Definition at line 168 of file vp8data.h.

Referenced by decode_intra4x4_modes().

const int8_t vp8_pred8x8c_tree[3][2]

static

Initial value:

= {
    {   -DC_PRED8x8,              1 },  
    { -VERT_PRED8x8,              2 },  
    {  -HOR_PRED8x8, -PLANE_PRED8x8 },  
}

Definition at line 180 of file vp8data.h.

Referenced by decode_mb_mode().

const uint8_t vp8_pred8x8c_prob_intra[3]

static

Initial value:

= {
    142, 114, 183
}

Definition at line 186 of file vp8data.h.

Referenced by decode_mb_mode().

const uint8_t vp8_pred8x8c_prob_inter[3]

static

Initial value:

= {
    162, 101, 204
}

Definition at line 189 of file vp8data.h.

Referenced by vp7_decode_frame_header(), and vp8_decode_frame_header().

const uint8_t vp8_pred4x4_prob_inter[9]

static

Initial value:

= {
    120, 90, 79, 133, 87, 85, 80, 111, 151
}

Definition at line 192 of file vp8data.h.

Referenced by decode_intra4x4_modes().

const uint8_t vp8_pred4x4_prob_intra[10][10][9]

static

Definition at line 196 of file vp8data.h.

Referenced by decode_intra4x4_modes().

const int8_t vp8_segmentid_tree[][2]

static

Initial value:

= {
    {  1,  2 },
    { -0, -1 }, 
    { -2, -3 }, 
}

Definition at line 319 of file vp8data.h.

const uint8_t vp8_coeff_band[16]

static

Initial value:

= {
    0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7
}

Definition at line 325 of file vp8data.h.

Referenced by vp78_reset_probability_tables().

const int8_t vp8_coeff_band_indexes[8][10]

static

Initial value:

= {
    {  0, -1 },
    {  1, -1 },
    {  2, -1 },
    {  3, -1 },
    {  5, -1 },
    {  6, -1 },
    {  4,  7, 8, 9, 10, 11, 12, 13, 14, -1 },
    { 15, -1 }
}

Definition at line 331 of file vp8data.h.

Referenced by vp78_update_probability_tables().

const uint8_t vp8_dct_cat1_prob[]

static

Initial value:

= {
    159, 0
}

Definition at line 342 of file vp8data.h.

Referenced by decode_block_coeffs_internal().

const uint8_t vp8_dct_cat2_prob[]

static

Initial value:

= {
    165, 145, 0
}

Definition at line 345 of file vp8data.h.

Referenced by decode_block_coeffs_internal().

const uint8_t vp8_dct_cat3_prob[]

static

Initial value:

= {
    173, 148, 140, 0
}

Definition at line 348 of file vp8data.h.

const uint8_t vp8_dct_cat4_prob[]

static

Initial value:

= {
    176, 155, 140, 135, 0
}

Definition at line 351 of file vp8data.h.

const uint8_t vp8_dct_cat5_prob[]

static

Initial value:

= {
    180, 157, 141, 134, 130, 0
}

Definition at line 354 of file vp8data.h.

const uint8_t vp8_dct_cat6_prob[]

static

Initial value:

= {
    254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0
}

Definition at line 357 of file vp8data.h.

const uint8_t* const ff_vp8_dct_cat_prob[]

Initial value:

= {
    vp8_dct_cat3_prob,
    vp8_dct_cat4_prob,
    vp8_dct_cat5_prob,
    vp8_dct_cat6_prob,
}

Definition at line 362 of file vp8data.h.

Referenced by decode_block_coeffs_internal().

const uint8_t vp8_token_default_probs[4][8][3][NUM_DCT_TOKENS-1]

static

Definition at line 369 of file vp8data.h.

Referenced by vp78_reset_probability_tables().

const uint8_t vp8_token_update_probs[4][8][3][NUM_DCT_TOKENS-1]

static

Definition at line 540 of file vp8data.h.

Referenced by vp78_update_probability_tables().

const uint8_t zigzag_scan[16]

static

Initial value:

={
    0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
    1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
    1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
    3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
}

Definition at line 712 of file vp8data.h.

const uint8_t vp8_dc_qlookup[VP8_MAX_QUANT+1]

static

Initial value:

= {
      4,   5,   6,   7,   8,   9,  10,  10,  11,  12,  13,  14,  15,  16,  17,  17,
     18,  19,  20,  20,  21,  21,  22,  22,  23,  23,  24,  25,  25,  26,  27,  28,
     29,  30,  31,  32,  33,  34,  35,  36,  37,  37,  38,  39,  40,  41,  42,  43,
     44,  45,  46,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,
     59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,
     75,  76,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,
     91,  93,  95,  96,  98, 100, 101, 102, 104, 106, 108, 110, 112, 114, 116, 118,
    122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 143, 145, 148, 151, 154, 157,
}

Definition at line 719 of file vp8data.h.

Referenced by vp8_get_quants().

const uint16_t vp8_ac_qlookup[VP8_MAX_QUANT+1]

static

Initial value:

= {
      4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,  18,  19,
     20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,
     36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  50,  51,
     52,  53,  54,  55,  56,  57,  58,  60,  62,  64,  66,  68,  70,  72,  74,  76,
     78,  80,  82,  84,  86,  88,  90,  92,  94,  96,  98, 100, 102, 104, 106, 108,
    110, 112, 114, 116, 119, 122, 125, 128, 131, 134, 137, 140, 143, 146, 149, 152,
    155, 158, 161, 164, 167, 170, 173, 177, 181, 185, 189, 193, 197, 201, 205, 209,
    213, 217, 221, 225, 229, 234, 239, 245, 249, 254, 259, 264, 269, 274, 279, 284,
}

Definition at line 730 of file vp8data.h.

Referenced by vp8_get_quants().

const uint8_t vp8_mv_update_prob[2][19]

static

Initial value:

= {
    { 237,
      246,
      253, 253, 254, 254, 254, 254, 254,
      254, 254, 254, 254, 254, 250, 250, 252,  254, 254 },
    { 231,
      243,
      245, 253, 254, 254, 254, 254, 254,
      254, 254, 254, 254, 254, 251, 251, 254,  254, 254 }
}

Definition at line 741 of file vp8data.h.

Referenced by vp78_update_pred16x16_pred8x8_mvc_probabilities().

const uint8_t vp7_mv_default_prob[2][17]

static

Initial value:

= {
    { 162,
      128,
      225, 146, 172, 147, 214,  39, 156,
      247, 210, 135,  68, 138, 220, 239, 246 },
    { 164,
      128,
      204, 170, 119, 235, 140, 230, 228,
      244, 184, 201,  44, 173, 221, 239, 253 }
}

Definition at line 752 of file vp8data.h.

Referenced by vp7_decode_frame_header().

const uint8_t vp8_mv_default_prob[2][19]

static

Initial value:

= {
    { 162,
      128,
      225, 146, 172, 147, 214, 39, 156,
      128, 129, 132,  75, 145, 178, 206, 239, 254, 254 },
    { 164,
      128,
      204, 170, 119, 235, 140, 230, 228,
      128, 130, 130,  74, 148, 180, 203, 236, 254, 254 }
}

Definition at line 763 of file vp8data.h.

Referenced by vp8_decode_frame_header().

const uint8_t vp7_feature_value_size[2][4]

static

Initial value:

= {
    { 7, 6, 0, 8 },
    { 7, 6, 0, 5 },
}

Definition at line 774 of file vp8data.h.

Referenced by vp7_decode_frame_header().

const int8_t vp7_feature_index_tree[4][2]

static

Initial value:

=
{
    {  1,  2 },
    { -0, -1 }, 
    { -2, -3 }, 
}

Definition at line 779 of file vp8data.h.

Referenced by decode_mb_mode().

const uint16_t vp7_ydc_qlookup[]

static

Initial value:

= {
      4,   4,   5,   6,   6,   7,   8,   8,   9,  10,  11,  12,  13,  14,  15,
     16,  17,  18,  19,  20,  21,  22,  23,  23,  24,  25,  26,  27,  28,  29,
     30,  31,  32,  33,  33,  34,  35,  36,  36,  37,  38,  39,  39,  40,  41,
     41,  42,  43,  43,  44,  45,  45,  46,  47,  48,  48,  49,  50,  51,  52,
     53,  53,  54,  56,  57,  58,  59,  60,  62,  63,  65,  66,  68,  70,  72,
     74,  76,  79,  81,  84,  87,  90,  93,  96, 100, 104, 108, 112, 116, 121,
    126, 131, 136, 142, 148, 154, 160, 167, 174, 182, 189, 198, 206, 215, 224,
    234, 244, 254, 265, 277, 288, 301, 313, 327, 340, 355, 370, 385, 401, 417,
    434, 452, 470, 489, 509, 529, 550, 572,
}

Definition at line 786 of file vp8data.h.

Referenced by vp7_get_quants().

const uint16_t vp7_yac_qlookup[]

static

Initial value:

= {
       4,    4,   5,   5,   6,   6,   7,   8,   9,  10,  11,  12,   13,   15,
      16,   17,  19,  20,  22,  23,  25,  26,  28,  29,  31,  32,   34,   35,
      37,   38,  40,  41,  42,  44,  45,  46,  48,  49,  50,  51,   53,   54,
      55,   56,  57,  58,  59,  61,  62,  63,  64,  65,  67,  68,   69,   70,
      72,   73,  75,  76,  78,  80,  82,  84,  86,  88,  91,  93,   96,   99,
     102,  105, 109, 112, 116, 121, 125, 130, 135, 140, 146, 152,  158,  165,
     172,  180, 188, 196, 205, 214, 224, 234, 245, 256, 268, 281,  294,  308,
     322,  337, 353, 369, 386, 404, 423, 443, 463, 484, 506, 529,  553,  578,
     604,  631, 659, 688, 718, 749, 781, 814, 849, 885, 922, 960, 1000, 1041,
    1083, 1127,
}

Definition at line 798 of file vp8data.h.

Referenced by vp7_get_quants().

const uint16_t vp7_y2dc_qlookup[]

static

Initial value:

= {
       7,    9,  11,  13,  15,  17,  19,  21,  23,  26,  28,  30,   33,   35,
      37,   39,  42,  44,  46,  48,  51,  53,  55,  57,  59,  61,   63,   65,
      67,   69,  70,  72,  74,  75,  77,  78,  80,  81,  83,  84,   85,   87,
      88,   89,  90,  92,  93,  94,  95,  96,  97,  99, 100, 101,  102,  104,
     105,  106, 108, 109, 111, 113, 114, 116, 118, 120, 123, 125,  128,  131,
     134,  137, 140, 144, 148, 152, 156, 161, 166, 171, 176, 182,  188,  195,
     202,  209, 217, 225, 234, 243, 253, 263, 274, 285, 297, 309,  322,  336,
     350,  365, 381, 397, 414, 432, 450, 470, 490, 511, 533, 556,  579,  604,
     630,  656, 684, 713, 742, 773, 805, 838, 873, 908, 945, 983, 1022, 1063,
    1105, 1148,
}

Definition at line 811 of file vp8data.h.

Referenced by vp7_get_quants().

const uint16_t vp7_y2ac_qlookup[]

static

Initial value:

= {
       7,    9,   11,   13,   16,   18,   21,   24,   26,   29,   32,   35,
      38,   41,   43,   46,   49,   52,   55,   58,   61,   64,   66,   69,
      72,   74,   77,   79,   82,   84,   86,   88,   91,   93,   95,   97,
      98,  100,  102,  104,  105,  107,  109,  110,  112,  113,  115,  116,
     117,  119,  120,  122,  123,  125,  127,  128,  130,  132,  134,  136,
     138,  141,  143,  146,  149,  152,  155,  158,  162,  166,  171,  175,
     180,  185,  191,  197,  204,  210,  218,  226,  234,  243,  252,  262,
     273,  284,  295,  308,  321,  335,  350,  365,  381,  398,  416,  435,
     455,  476,  497,  520,  544,  569,  595,  622,  650,  680,  711,  743,
     776,  811,  848,  885,  925,  965, 1008, 1052, 1097, 1144, 1193, 1244,
    1297, 1351, 1407, 1466, 1526, 1588, 1652, 1719,
}

Definition at line 824 of file vp8data.h.

Referenced by vp7_get_quants().

Data Structures

Macros

Variables

Detailed Description

Macro Definition Documentation

Variable Documentation