h264data.h

This the source release kit for the following system configuration(s): - AMD Alchemy(TM) DBAu1200(

/*
 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
 * Copyright (c) 2003 Michael Niedermayer <[e-mail]>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

/**
 * @file h264data.h
 * @brief
 *     H264 / AVC / MPEG4 part10 codec data table
 * @author Michael Niedermayer <[e-mail]>
 */

#define VERT_PRED             0
#define HOR_PRED              1
#define DC_PRED               2
#define DIAG_DOWN_LEFT_PRED   3
#define DIAG_DOWN_RIGHT_PRED  4
#define VERT_RIGHT_PRED       5
#define HOR_DOWN_PRED         6
#define VERT_LEFT_PRED        7
#define HOR_UP_PRED           8

#define LEFT_DC_PRED          9
#define TOP_DC_PRED           10
#define DC_128_PRED           11


#define DC_PRED8x8            0
#define HOR_PRED8x8           1
#define VERT_PRED8x8          2
#define PLANE_PRED8x8         3

#define LEFT_DC_PRED8x8       4
#define TOP_DC_PRED8x8        5
#define DC_128_PRED8x8        6

#define EXTENDED_SAR          255

static const uint8_t golomb_to_pict_type[5]=
{P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};

static const uint8_t pict_type_to_golomb[7]=
{-1, 2, 0, 1, -1, 4, 3};


static const uint8_t inter_cbp_to_golomb[48]={
  0,  2,  3,  7,  4,  8, 17, 13,  5, 18,  9, 14, 10, 15, 16, 11,
  1, 32, 33, 36, 34, 37, 44, 40, 35, 45, 38, 41, 39, 42, 43, 19,
  6, 24, 25, 20, 26, 21, 46, 28, 27, 47, 22, 29, 23, 30, 31, 12
};

static const uint8_t chroma_dc_coeff_token_len[4*5]={
 2, 0, 0, 0,
 6, 1, 0, 0,
 6, 6, 3, 0,
 6, 7, 7, 6,
 6, 8, 8, 7,
};

static const uint8_t chroma_dc_coeff_token_bits[4*5]={
 1, 0, 0, 0,
 7, 1, 0, 0,
 4, 6, 1, 0,
 3, 3, 2, 5,
 2, 3, 2, 0,
};

static const uint8_t coeff_token_len[4][4*17]={
{
     1, 0, 0, 0,
     6, 2, 0, 0,     8, 6, 3, 0,     9, 8, 7, 5,    10, 9, 8, 6,
    11,10, 9, 7,    13,11,10, 8,    13,13,11, 9,    13,13,13,10,
    14,14,13,11,    14,14,14,13,    15,15,14,14,    15,15,15,14,
    16,15,15,15,    16,16,16,15,    16,16,16,16,    16,16,16,16,
},
{
     2, 0, 0, 0,
     6, 2, 0, 0,     6, 5, 3, 0,     7, 6, 6, 4,     8, 6, 6, 4,
     8, 7, 7, 5,     9, 8, 8, 6,    11, 9, 9, 6,    11,11,11, 7,
    12,11,11, 9,    12,12,12,11,    12,12,12,11,    13,13,13,12,
    13,13,13,13,    13,14,13,13,    14,14,14,13,    14,14,14,14,
},
{
     4, 0, 0, 0,
     6, 4, 0, 0,     6, 5, 4, 0,     6, 5, 5, 4,     7, 5, 5, 4,
     7, 5, 5, 4,     7, 6, 6, 4,     7, 6, 6, 4,     8, 7, 7, 5,
     8, 8, 7, 6,     9, 8, 8, 7,     9, 9, 8, 8,     9, 9, 9, 8,
    10, 9, 9, 9,    10,10,10,10,    10,10,10,10,    10,10,10,10,
},
{
     6, 0, 0, 0,
     6, 6, 0, 0,     6, 6, 6, 0,     6, 6, 6, 6,     6, 6, 6, 6,
     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,
     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,
     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,     6, 6, 6, 6,
}
};

static const uint8_t coeff_token_bits[4][4*17]={
{
     1, 0, 0, 0,
     5, 1, 0, 0,     7, 4, 1, 0,     7, 6, 5, 3,     7, 6, 5, 3,
     7, 6, 5, 4,    15, 6, 5, 4,    11,14, 5, 4,     8,10,13, 4,
    15,14, 9, 4,    11,10,13,12,    15,14, 9,12,    11,10,13, 8,
    15, 1, 9,12,    11,14,13, 8,     7,10, 9,12,     4, 6, 5, 8,
},
{
     3, 0, 0, 0,
    11, 2, 0, 0,     7, 7, 3, 0,     7,10, 9, 5,     7, 6, 5, 4,
     4, 6, 5, 6,     7, 6, 5, 8,    15, 6, 5, 4,    11,14,13, 4,
    15,10, 9, 4,    11,14,13,12,     8,10, 9, 8,    15,14,13,12,
    11,10, 9,12,     7,11, 6, 8,     9, 8,10, 1,     7, 6, 5, 4,
},
{
    15, 0, 0, 0,
    15,14, 0, 0,    11,15,13, 0,     8,12,14,12,    15,10,11,11,
    11, 8, 9,10,     9,14,13, 9,     8,10, 9, 8,    15,14,13,13,
    11,14,10,12,    15,10,13,12,    11,14, 9,12,     8,10,13, 8,
    13, 7, 9,12,     9,12,11,10,     5, 8, 7, 6,     1, 4, 3, 2,
},
{
     3, 0, 0, 0,
     0, 1, 0, 0,     4, 5, 6, 0,     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,    56,57,58,59,    60,61,62,63,
}
};

static const uint8_t total_zeros_len[16][16]= {
    {1,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9},
    {3,3,3,3,3,4,4,4,4,5,5,6,6,6,6},
    {4,3,3,3,4,4,3,3,4,5,5,6,5,6},
    {5,3,4,4,3,3,3,4,3,4,5,5,5},
    {4,4,4,3,3,3,3,3,4,5,4,5},
    {6,5,3,3,3,3,3,3,4,3,6},
    {6,5,3,3,3,2,3,4,3,6},
    {6,4,5,3,2,2,3,3,6},
    {6,6,4,2,2,3,2,5},
    {5,5,3,2,2,2,4},
    {4,4,3,3,1,3},
    {4,4,2,1,3},
    {3,3,1,2},
    {2,2,1},
    {1,1},
};

static const uint8_t total_zeros_bits[16][16]= {
    {1,3,2,3,2,3,2,3,2,3,2,3,2,3,2,1},
    {7,6,5,4,3,5,4,3,2,3,2,3,2,1,0},
    {5,7,6,5,4,3,4,3,2,3,2,1,1,0},
    {3,7,5,4,6,5,4,3,3,2,2,1,0},
    {5,4,3,7,6,5,4,3,2,1,1,0},
    {1,1,7,6,5,4,3,2,1,1,0},
    {1,1,5,4,3,3,2,1,1,0},
    {1,1,1,3,3,2,2,1,0},
    {1,0,1,3,2,1,1,1},
    {1,0,1,3,2,1,1},
    {0,1,1,2,1,3},
    {0,1,1,1,1},
    {0,1,1,1},
    {0,1,1},
    {0,1},
};

static const uint8_t chroma_dc_total_zeros_len[3][4]= {
    { 1, 2, 3, 3,},
    { 1, 2, 2, 0,},
    { 1, 1, 0, 0,},
};

static const uint8_t chroma_dc_total_zeros_bits[3][4]= {
    { 1, 1, 1, 0,},
    { 1, 1, 0, 0,},
    { 1, 0, 0, 0,},
};

static const uint8_t run_len[7][16]={
    {1,1},
    {1,2,2},
    {2,2,2,2},
    {2,2,2,3,3},
    {2,2,3,3,3,3},
    {2,3,3,3,3,3,3},
    {3,3,3,3,3,3,3,4,5,6,7,8,9,10,11},
};

static const uint8_t run_bits[7][16]={
    {1,0},
    {1,1,0},
    {3,2,1,0},
    {3,2,1,1,0},
    {3,2,3,2,1,0},
    {3,0,1,3,2,5,4},
    {7,6,5,4,3,2,1,1,1,1,1,1,1,1,1},
};

/*
o-o o-o
 / / /
o-o o-o
 ,---'
o-o o-o
 / / /
o-o o-o
*/


#define MB_TYPE_REF0       MB_TYPE_ACPRED //dirty but it fits in 16bit
#define MB_TYPE_8x8DCT     0x01000000
#define IS_REF0(a)       ((a)&MB_TYPE_REF0)
#define IS_8x8DCT(a)     ((a)&MB_TYPE_8x8DCT)


typedef struct IMbInfo
{
    uint16_t type;
    uint8_t pred_mode;
    uint8_t cbp;
} IMbInfo;


typedef struct PMbInfo
{
  uint16_t type;
  uint16_t partition_count;
} PMbInfo;


#define QUANT_SHIFT 22


/* Cabac pre state table */

static const int cabac_context_init_I[460][2] =
{
    /* 0 - 10 */
    { 20, -15 }, {  2, 54 },  {  3,  74 }, { 20, -15 },
    {  2,  54 }, {  3, 74 },  { -28,127 }, { -23, 104 },
    { -6,  53 }, { -1, 54 },  {  7,  51 },

    /* 11 - 23 unsused for I */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },

    /* 24- 39 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

    /* 40 - 53 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },

    /* 54 - 59 */
    { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },
    { 0, 0 },    { 0, 0 },

    /* 60 - 69 */
    { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },
    { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },
    { 13, 41 },  { 3, 62 },

    /* 70 -> 87 */
    { 0, 11 },   { 1, 55 },   { 0, 69 },     { -17, 127 },
    { -13, 102 },{ 0, 82 },   { -7, 74 },    { -21, 107 },
    { -27, 127 },{ -31, 127 },{ -24, 127 },  { -18, 95 },
    { -27, 127 },{ -21, 114 },{ -30, 127 },  { -17, 123 },
    { -12, 115 },{ -16, 122 },

    /* 88 -> 104 */
    { -11, 115 },{ -12, 63 }, { -2, 68 },    { -15, 84 },
    { -13, 104 },{ -3, 70 },  { -8, 93 },    { -10, 90 },
    { -30, 127 },{ -1, 74 },  { -6, 97 },    { -7, 91 },
    { -20, 127 },{ -4, 56 },  { -5, 82 },    { -7, 76 },