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ffmpeg / libavcodec / mpeg12data.h @ 1b245cc2

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/**
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 * @file mpeg12data.h
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 * MPEG1/2 tables.
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 */
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const int16_t ff_mpeg1_default_intra_matrix[64] = {
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        8, 16, 19, 22, 26, 27, 29, 34,
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        16, 16, 22, 24, 27, 29, 34, 37,
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        19, 22, 26, 27, 29, 34, 34, 38,
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        22, 22, 26, 27, 29, 34, 37, 40,
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        22, 26, 27, 29, 32, 35, 40, 48,
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        26, 27, 29, 32, 35, 40, 48, 58,
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        26, 27, 29, 34, 38, 46, 56, 69,
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        27, 29, 35, 38, 46, 56, 69, 83
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};
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const int16_t ff_mpeg1_default_non_intra_matrix[64] = {
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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};
27

    
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static const unsigned char vlc_dc_table[256] = {
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    0, 1, 2, 2,
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    3, 3, 3, 3,
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    4, 4, 4, 4, 4, 4, 4, 4,
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    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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};
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51
static const uint16_t vlc_dc_lum_code[12] = {
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    0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
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};
54
static const unsigned char vlc_dc_lum_bits[12] = {
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    3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
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};
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58
const uint16_t vlc_dc_chroma_code[12] = {
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    0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
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};
61
const unsigned char vlc_dc_chroma_bits[12] = {
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    2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
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};
64

    
65
static const uint16_t mpeg1_vlc[113][2] = {
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 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
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 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
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 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
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 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
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 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
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 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
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 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
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 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
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 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
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 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
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 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
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 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
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 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
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 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
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 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
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 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
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 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
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 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
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 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
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 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
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 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
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 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
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 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
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 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
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 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
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 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
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 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
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 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
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 { 0x1, 6 }, /* escape */
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 { 0x2, 2 }, /* EOB */
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};
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98
static const uint16_t mpeg2_vlc[113][2] = {
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  {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
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  {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
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  {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
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  {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
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  {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
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  {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
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  {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
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  {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
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  {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
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  {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
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  {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
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  {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
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  {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
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  {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
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  {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 
114
  {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 
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  {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 
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  {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 
117
  {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 
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  {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 
119
  {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 
120
  {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 
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  {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 
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  {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 
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  {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 
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  {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 
125
  {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 
126
  {0x1d,16}, {0x1c,16}, {0x1b,16}, 
127
  {0x01,6}, /* escape */
128
  {0x06,4}, /* EOB */
129
};
130

    
131
static const int8_t mpeg1_level[111] = {
132
  1,  2,  3,  4,  5,  6,  7,  8,
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  9, 10, 11, 12, 13, 14, 15, 16,
134
 17, 18, 19, 20, 21, 22, 23, 24,
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 25, 26, 27, 28, 29, 30, 31, 32,
136
 33, 34, 35, 36, 37, 38, 39, 40,
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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,  1,  2,  3,  4,  5,  1,
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  2,  3,  4,  1,  2,  3,  1,  2,
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  3,  1,  2,  3,  1,  2,  1,  2,
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  1,  2,  1,  2,  1,  2,  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,  1,
146
};
147

    
148
static const int8_t mpeg1_run[111] = {
149
  0,  0,  0,  0,  0,  0,  0,  0,
150
  0,  0,  0,  0,  0,  0,  0,  0,
151
  0,  0,  0,  0,  0,  0,  0,  0,
152
  0,  0,  0,  0,  0,  0,  0,  0,
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  0,  0,  0,  0,  0,  0,  0,  0,
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  1,  1,  1,  1,  1,  1,  1,  1,
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  1,  1,  1,  1,  1,  1,  1,  1,
156
  1,  1,  2,  2,  2,  2,  2,  3,
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  3,  3,  3,  4,  4,  4,  5,  5,
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  5,  6,  6,  6,  7,  7,  8,  8,
159
  9,  9, 10, 10, 11, 11, 12, 12,
160
 13, 13, 14, 14, 15, 15, 16, 16,
161
 17, 18, 19, 20, 21, 22, 23, 24,
162
 25, 26, 27, 28, 29, 30, 31,
163
};
164

    
165
static RLTable rl_mpeg1 = {
166
    111,
167
    111,
168
    mpeg1_vlc,
169
    mpeg1_run,
170
    mpeg1_level,
171
};
172

    
173
static RLTable rl_mpeg2 = {
174
    111,
175
    111,
176
    mpeg2_vlc,
177
    mpeg1_run,
178
    mpeg1_level,
179
};
180

    
181
static const uint8_t mbAddrIncrTable[36][2] = {
182
    {0x1, 1},
183
    {0x3, 3},
184
    {0x2, 3},
185
    {0x3, 4},
186
    {0x2, 4},
187
    {0x3, 5},
188
    {0x2, 5},
189
    {0x7, 7},
190
    {0x6, 7},
191
    {0xb, 8},
192
    {0xa, 8},
193
    {0x9, 8},
194
    {0x8, 8},
195
    {0x7, 8},
196
    {0x6, 8},
197
    {0x17, 10},
198
    {0x16, 10},
199
    {0x15, 10},
200
    {0x14, 10},
201
    {0x13, 10},
202
    {0x12, 10},
203
    {0x23, 11},
204
    {0x22, 11},
205
    {0x21, 11},
206
    {0x20, 11},
207
    {0x1f, 11},
208
    {0x1e, 11},
209
    {0x1d, 11},
210
    {0x1c, 11},
211
    {0x1b, 11},
212
    {0x1a, 11},
213
    {0x19, 11},
214
    {0x18, 11},
215
    {0x8, 11}, /* escape */
216
    {0xf, 11}, /* stuffing */
217
    {0x0, 8}, /* end (and 15 more 0 bits should follow) */
218
};
219

    
220
static const uint8_t mbPatTable[63][2] = {
221
    {0xb, 5},
222
    {0x9, 5},
223
    {0xd, 6},
224
    {0xd, 4},
225
    {0x17, 7},
226
    {0x13, 7},
227
    {0x1f, 8},
228
    {0xc, 4},
229
    {0x16, 7},
230
    {0x12, 7},
231
    {0x1e, 8},
232
    {0x13, 5},
233
    {0x1b, 8},
234
    {0x17, 8},
235
    {0x13, 8},
236
    {0xb, 4},
237
    {0x15, 7},
238
    {0x11, 7},
239
    {0x1d, 8},
240
    {0x11, 5},
241
    {0x19, 8},
242
    {0x15, 8},
243
    {0x11, 8},
244
    {0xf, 6},
245
    {0xf, 8},
246
    {0xd, 8},
247
    {0x3, 9},
248
    {0xf, 5},
249
    {0xb, 8},
250
    {0x7, 8},
251
    {0x7, 9},
252
    {0xa, 4},
253
    {0x14, 7},
254
    {0x10, 7},
255
    {0x1c, 8},
256
    {0xe, 6},
257
    {0xe, 8},
258
    {0xc, 8},
259
    {0x2, 9},
260
    {0x10, 5},
261
    {0x18, 8},
262
    {0x14, 8},
263
    {0x10, 8},
264
    {0xe, 5},
265
    {0xa, 8},
266
    {0x6, 8},
267
    {0x6, 9},
268
    {0x12, 5},
269
    {0x1a, 8},
270
    {0x16, 8},
271
    {0x12, 8},
272
    {0xd, 5},
273
    {0x9, 8},
274
    {0x5, 8},
275
    {0x5, 9},
276
    {0xc, 5},
277
    {0x8, 8},
278
    {0x4, 8},
279
    {0x4, 9},
280
    {0x7, 3},
281
    {0xa, 5},
282
    {0x8, 5},
283
    {0xc, 6}
284
};
285

    
286
#define MB_TYPE_PAT       0x40000000
287
#define MB_TYPE_ZERO_MV   0x20000000
288
#define IS_ZERO_MV(a)   ((a)&MB_TYPE_ZERO_MV)
289
#define IS_PAT(a)       ((a)&MB_TYPE_PAT)
290

    
291
static const uint8_t table_mb_ptype[7][2] = {
292
    { 3, 5 }, // 0x01 MB_INTRA
293
    { 1, 2 }, // 0x02 MB_PAT
294
    { 1, 3 }, // 0x08 MB_FOR
295
    { 1, 1 }, // 0x0A MB_FOR|MB_PAT
296
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
297
    { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
298
    { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
299
};
300

    
301
static const uint32_t ptype2mb_type[7] = {
302
                    MB_TYPE_INTRA,
303
                    MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
304
                    MB_TYPE_L0,
305
                    MB_TYPE_L0 | MB_TYPE_PAT,
306
    MB_TYPE_QUANT | MB_TYPE_INTRA,
307
    MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
308
    MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
309
};
310

    
311
static const uint8_t table_mb_btype[11][2] = {
312
    { 3, 5 }, // 0x01 MB_INTRA
313
    { 2, 3 }, // 0x04 MB_BACK
314
    { 3, 3 }, // 0x06 MB_BACK|MB_PAT
315
    { 2, 4 }, // 0x08 MB_FOR
316
    { 3, 4 }, // 0x0A MB_FOR|MB_PAT
317
    { 2, 2 }, // 0x0C MB_FOR|MB_BACK
318
    { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
319
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
320
    { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
321
    { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
322
    { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
323
};
324

    
325
static const uint32_t btype2mb_type[11] = {
326
                    MB_TYPE_INTRA,
327
                    MB_TYPE_L1,
328
                    MB_TYPE_L1   | MB_TYPE_PAT,
329
                    MB_TYPE_L0,
330
                    MB_TYPE_L0   | MB_TYPE_PAT,
331
                    MB_TYPE_L0L1,
332
                    MB_TYPE_L0L1 | MB_TYPE_PAT,
333
    MB_TYPE_QUANT | MB_TYPE_INTRA,
334
    MB_TYPE_QUANT | MB_TYPE_L1   | MB_TYPE_PAT,
335
    MB_TYPE_QUANT | MB_TYPE_L0   | MB_TYPE_PAT,
336
    MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_PAT,
337
};
338

    
339
static const uint8_t mbMotionVectorTable[17][2] = {
340
{ 0x1, 1 },
341
{ 0x1, 2 },
342
{ 0x1, 3 },
343
{ 0x1, 4 },
344
{ 0x3, 6 },
345
{ 0x5, 7 },
346
{ 0x4, 7 },
347
{ 0x3, 7 },
348
{ 0xb, 9 },
349
{ 0xa, 9 },
350
{ 0x9, 9 },
351
{ 0x11, 10 },
352
{ 0x10, 10 },
353
{ 0xf, 10 },
354
{ 0xe, 10 },
355
{ 0xd, 10 },
356
{ 0xc, 10 },
357
};
358

    
359
#define MPEG1_FRAME_RATE_BASE 1001
360

    
361
static const int frame_rate_tab[16] = {
362
        0,        
363
    24000,
364
    24024,
365
    25025,
366
    30000,
367
    30030,
368
    50050,
369
    60000,
370
    60060,
371
  // Xing's 15fps: (9)
372
    15015,
373
  // libmpeg3's "Unofficial economy rates": (10-13)
374
     5005,
375
    10010,
376
    12012,
377
    15015,
378
  // random, just to avoid segfault !never encode these
379
    25025,
380
    25025,
381
};
382

    
383
static const uint8_t non_linear_qscale[32] = {
384
    0, 1, 2, 3, 4, 5, 6, 7,
385
    8,10,12,14,16,18,20,22,
386
    24,28,32,36,40,44,48,52,
387
    56,64,72,80,88,96,104,112,
388
};
389

    
390
uint8_t ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales?
391
//  0  1  2  3  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
392
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
393
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
394
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
395
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
396
};
397

    
398
static const float mpeg1_aspect[16]={
399
    0.0000,
400
    1.0000,
401
    0.6735,
402
    0.7031,
403
    
404
    0.7615,
405
    0.8055,
406
    0.8437,
407
    0.8935,
408

    
409
    0.9157,
410
    0.9815,
411
    1.0255,
412
    1.0695,
413

    
414
    1.0950,
415
    1.1575,
416
    1.2015,
417
};
418

    
419
static const AVRational mpeg2_aspect[16]={
420
    {0,1},
421
    {1,1},
422
    {4,3},
423
    {16,9},
424
    {221,100},
425
    {0,1},
426
    {0,1},
427
    {0,1},
428
    {0,1},
429
    {0,1},
430
    {0,1},
431
    {0,1},
432
    {0,1},
433
    {0,1},
434
    {0,1},
435
    {0,1},
436
};
437