hvirtual/quicktime/libavcodec/mpeg12data.h

   1 /*
   2  * MPEG1/2 tables
   3  */
   4
   5 const INT16 ff_mpeg1_default_intra_matrix[64] = {
   6         8, 16, 19, 22, 26, 27, 29, 34,
   7         16, 16, 22, 24, 27, 29, 34, 37,
   8         19, 22, 26, 27, 29, 34, 34, 38,
   9         22, 22, 26, 27, 29, 34, 37, 40,
  10         22, 26, 27, 29, 32, 35, 40, 48,
  11         26, 27, 29, 32, 35, 40, 48, 58,
  12         26, 27, 29, 34, 38, 46, 56, 69,
  13         27, 29, 35, 38, 46, 56, 69, 83
  14 };
  15
  16 const INT16 ff_mpeg1_default_non_intra_matrix[64] = {
  17     16, 16, 16, 16, 16, 16, 16, 16,
  18     16, 16, 16, 16, 16, 16, 16, 16,
  19     16, 16, 16, 16, 16, 16, 16, 16,
  20     16, 16, 16, 16, 16, 16, 16, 16,
  21     16, 16, 16, 16, 16, 16, 16, 16,
  22     16, 16, 16, 16, 16, 16, 16, 16,
  23     16, 16, 16, 16, 16, 16, 16, 16,
  24     16, 16, 16, 16, 16, 16, 16, 16,
  25 };
  26
  27 const unsigned char vlc_dc_table[256] = {
  28     0, 1, 2, 2,
  29     3, 3, 3, 3,
  30     4, 4, 4, 4, 4, 4, 4, 4,
  31     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
  32     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  33     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
  34
  35     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  36     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  37     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  38     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
  39
  40     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  41     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  42     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  43     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  44     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  45     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  46     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  47     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  48 };
  49
  50 const UINT16 vlc_dc_lum_code[12] = {
  51     0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
  52 };
  53 const unsigned char vlc_dc_lum_bits[12] = {
  54     3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
  55 };
  56
  57 const UINT16 vlc_dc_chroma_code[12] = {
  58     0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
  59 };
  60 const unsigned char vlc_dc_chroma_bits[12] = {
  61     2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
  62 };
  63
  64 /* simple include everything table for dc, first byte is bits number next 3 are code*/
  65 static UINT32 mpeg1_lum_dc_uni[512];
  66 static UINT32 mpeg1_chr_dc_uni[512];
  67
  68 static const UINT16 mpeg1_vlc[113][2] = {
  69  { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
  70  { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
  71  { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
  72  { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
  73  { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
  74  { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
  75  { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
  76  { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
  77  { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
  78  { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
  79  { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
  80  { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
  81  { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
  82  { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
  83  { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
  84  { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
  85  { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
  86  { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
  87  { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
  88  { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
  89  { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
  90  { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
  91  { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
  92  { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
  93  { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
  94  { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
  95  { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
  96  { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
  97  { 0x1, 6 }, /* escape */
  98  { 0x2, 2 }, /* EOB */
  99 };
 100
 101 static const UINT16 mpeg2_vlc[113][2] = {
 102   {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
 103   {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
 104   {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
 105   {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
 106   {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
 107   {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
 108   {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
 109   {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
 110   {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
 111   {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
 112   {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
 113   {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
 114   {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
 115   {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
 116   {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
 117   {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
 118   {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
 119   {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
 120   {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
 121   {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
 122   {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
 123   {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
 124   {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
 125   {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
 126   {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
 127   {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
 128   {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
 129   {0x1d,16}, {0x1c,16}, {0x1b,16},
 130   {0x01,6}, /* escape */
 131   {0x06,4}, /* EOB */
 132 };
 133
 134 static const INT8 mpeg1_level[111] = {
 135   1,  2,  3,  4,  5,  6,  7,  8,
 136   9, 10, 11, 12, 13, 14, 15, 16,
 137  17, 18, 19, 20, 21, 22, 23, 24,
 138  25, 26, 27, 28, 29, 30, 31, 32,
 139  33, 34, 35, 36, 37, 38, 39, 40,
 140   1,  2,  3,  4,  5,  6,  7,  8,
 141   9, 10, 11, 12, 13, 14, 15, 16,
 142  17, 18,  1,  2,  3,  4,  5,  1,
 143   2,  3,  4,  1,  2,  3,  1,  2,
 144   3,  1,  2,  3,  1,  2,  1,  2,
 145   1,  2,  1,  2,  1,  2,  1,  2,
 146   1,  2,  1,  2,  1,  2,  1,  2,
 147   1,  1,  1,  1,  1,  1,  1,  1,
 148   1,  1,  1,  1,  1,  1,  1,
 149 };
 150
 151 static const INT8 mpeg1_run[111] = {
 152   0,  0,  0,  0,  0,  0,  0,  0,
 153   0,  0,  0,  0,  0,  0,  0,  0,
 154   0,  0,  0,  0,  0,  0,  0,  0,
 155   0,  0,  0,  0,  0,  0,  0,  0,
 156   0,  0,  0,  0,  0,  0,  0,  0,
 157   1,  1,  1,  1,  1,  1,  1,  1,
 158   1,  1,  1,  1,  1,  1,  1,  1,
 159   1,  1,  2,  2,  2,  2,  2,  3,
 160   3,  3,  3,  4,  4,  4,  5,  5,
 161   5,  6,  6,  6,  7,  7,  8,  8,
 162   9,  9, 10, 10, 11, 11, 12, 12,
 163  13, 13, 14, 14, 15, 15, 16, 16,
 164  17, 18, 19, 20, 21, 22, 23, 24,
 165  25, 26, 27, 28, 29, 30, 31,
 166 };
 167
 168 static UINT8 mpeg1_index_run[2][64];
 169 static INT8 mpeg1_max_level[2][64];
 170
 171 static RLTable rl_mpeg1 = {
 172     111,
 173     111,
 174     mpeg1_vlc,
 175     mpeg1_run,
 176     mpeg1_level,
 177 };
 178
 179 static RLTable rl_mpeg2 = {
 180     111,
 181     111,
 182     mpeg2_vlc,
 183     mpeg1_run,
 184     mpeg1_level,
 185 };
 186
 187 static const UINT8 mbAddrIncrTable[35][2] = {
 188     {0x1, 1},
 189     {0x3, 3},
 190     {0x2, 3},
 191     {0x3, 4},
 192     {0x2, 4},
 193     {0x3, 5},
 194     {0x2, 5},
 195     {0x7, 7},
 196     {0x6, 7},
 197     {0xb, 8},
 198     {0xa, 8},
 199     {0x9, 8},
 200     {0x8, 8},
 201     {0x7, 8},
 202     {0x6, 8},
 203     {0x17, 10},
 204     {0x16, 10},
 205     {0x15, 10},
 206     {0x14, 10},
 207     {0x13, 10},
 208     {0x12, 10},
 209     {0x23, 11},
 210     {0x22, 11},
 211     {0x21, 11},
 212     {0x20, 11},
 213     {0x1f, 11},
 214     {0x1e, 11},
 215     {0x1d, 11},
 216     {0x1c, 11},
 217     {0x1b, 11},
 218     {0x1a, 11},
 219     {0x19, 11},
 220     {0x18, 11},
 221     {0x8, 11}, /* escape */
 222     {0xf, 11}, /* stuffing */
 223 };
 224
 225 static const UINT8 mbPatTable[63][2] = {
 226     {0xb, 5},
 227     {0x9, 5},
 228     {0xd, 6},
 229     {0xd, 4},
 230     {0x17, 7},
 231     {0x13, 7},
 232     {0x1f, 8},
 233     {0xc, 4},
 234     {0x16, 7},
 235     {0x12, 7},
 236     {0x1e, 8},
 237     {0x13, 5},
 238     {0x1b, 8},
 239     {0x17, 8},
 240     {0x13, 8},
 241     {0xb, 4},
 242     {0x15, 7},
 243     {0x11, 7},
 244     {0x1d, 8},
 245     {0x11, 5},
 246     {0x19, 8},
 247     {0x15, 8},
 248     {0x11, 8},
 249     {0xf, 6},
 250     {0xf, 8},
 251     {0xd, 8},
 252     {0x3, 9},
 253     {0xf, 5},
 254     {0xb, 8},
 255     {0x7, 8},
 256     {0x7, 9},
 257     {0xa, 4},
 258     {0x14, 7},
 259     {0x10, 7},
 260     {0x1c, 8},
 261     {0xe, 6},
 262     {0xe, 8},
 263     {0xc, 8},
 264     {0x2, 9},
 265     {0x10, 5},
 266     {0x18, 8},
 267     {0x14, 8},
 268     {0x10, 8},
 269     {0xe, 5},
 270     {0xa, 8},
 271     {0x6, 8},
 272     {0x6, 9},
 273     {0x12, 5},
 274     {0x1a, 8},
 275     {0x16, 8},
 276     {0x12, 8},
 277     {0xd, 5},
 278     {0x9, 8},
 279     {0x5, 8},
 280     {0x5, 9},
 281     {0xc, 5},
 282     {0x8, 8},
 283     {0x4, 8},
 284     {0x4, 9},
 285     {0x7, 3},
 286     {0xa, 5},
 287     {0x8, 5},
 288     {0xc, 6}
 289 };
 290
 291 #define MB_INTRA 0x01
 292 #define MB_PAT   0x02
 293 #define MB_BACK  0x04
 294 #define MB_FOR   0x08
 295 #define MB_QUANT 0x10
 296
 297 static const UINT8 table_mb_ptype[32][2] = {
 298     { 0, 0 }, // 0x00
 299     { 3, 5 }, // 0x01 MB_INTRA
 300     { 1, 2 }, // 0x02 MB_PAT
 301     { 0, 0 }, // 0x03
 302     { 0, 0 }, // 0x04
 303     { 0, 0 }, // 0x05
 304     { 0, 0 }, // 0x06
 305     { 0, 0 }, // 0x07
 306     { 1, 3 }, // 0x08 MB_FOR
 307     { 0, 0 }, // 0x09
 308     { 1, 1 }, // 0x0A MB_FOR|MB_PAT
 309     { 0, 0 }, // 0x0B
 310     { 0, 0 }, // 0x0C
 311     { 0, 0 }, // 0x0D
 312     { 0, 0 }, // 0x0E
 313     { 0, 0 }, // 0x0F
 314     { 0, 0 }, // 0x10
 315     { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
 316     { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
 317     { 0, 0 }, // 0x13
 318     { 0, 0 }, // 0x14
 319     { 0, 0 }, // 0x15
 320     { 0, 0 }, // 0x16
 321     { 0, 0 }, // 0x17
 322     { 0, 0 }, // 0x18
 323     { 0, 0 }, // 0x19
 324     { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
 325     { 0, 0 }, // 0x1B
 326     { 0, 0 }, // 0x1C
 327     { 0, 0 }, // 0x1D
 328     { 0, 0 }, // 0x1E
 329     { 0, 0 }, // 0x1F
 330 };
 331
 332 static const UINT8 table_mb_btype[32][2] = {
 333     { 0, 0 }, // 0x00
 334     { 3, 5 }, // 0x01 MB_INTRA
 335     { 0, 0 }, // 0x02
 336     { 0, 0 }, // 0x03
 337     { 2, 3 }, // 0x04 MB_BACK
 338     { 0, 0 }, // 0x05
 339     { 3, 3 }, // 0x06 MB_BACK|MB_PAT
 340     { 0, 0 }, // 0x07
 341     { 2, 4 }, // 0x08 MB_FOR
 342     { 0, 0 }, // 0x09
 343     { 3, 4 }, // 0x0A MB_FOR|MB_PAT
 344     { 0, 0 }, // 0x0B
 345     { 2, 2 }, // 0x0C MB_FOR|MB_BACK
 346     { 0, 0 }, // 0x0D
 347     { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
 348     { 0, 0 }, // 0x0F
 349     { 0, 0 }, // 0x10
 350     { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
 351     { 0, 0 }, // 0x12
 352     { 0, 0 }, // 0x13
 353     { 0, 0 }, // 0x14
 354     { 0, 0 }, // 0x15
 355     { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
 356     { 0, 0 }, // 0x17
 357     { 0, 0 }, // 0x18
 358     { 0, 0 }, // 0x19
 359     { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
 360     { 0, 0 }, // 0x1B
 361     { 0, 0 }, // 0x1C
 362     { 0, 0 }, // 0x1D
 363     { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
 364     { 0, 0 }, // 0x1F
 365 };
 366
 367 static const UINT8 mbMotionVectorTable[17][2] = {
 368 { 0x1, 1 },
 369 { 0x1, 2 },
 370 { 0x1, 3 },
 371 { 0x1, 4 },
 372 { 0x3, 6 },
 373 { 0x5, 7 },
 374 { 0x4, 7 },
 375 { 0x3, 7 },
 376 { 0xb, 9 },
 377 { 0xa, 9 },
 378 { 0x9, 9 },
 379 { 0x11, 10 },
 380 { 0x10, 10 },
 381 { 0xf, 10 },
 382 { 0xe, 10 },
 383 { 0xd, 10 },
 384 { 0xc, 10 },
 385 };
 386
 387 static const int frame_rate_tab[9] = {
 388     0,
 389     (int)(23.976 * FRAME_RATE_BASE),
 390     (int)(24 * FRAME_RATE_BASE),
 391     (int)(25 * FRAME_RATE_BASE),
 392     (int)(29.97 * FRAME_RATE_BASE),
 393     (int)(30 * FRAME_RATE_BASE),
 394     (int)(50 * FRAME_RATE_BASE),
 395     (int)(59.94 * FRAME_RATE_BASE),
 396     (int)(60 * FRAME_RATE_BASE),
 397 };
 398
 399 static const UINT8 non_linear_qscale[32] = {
 400     0, 1, 2, 3, 4, 5, 6, 7,
 401     8,10,12,14,16,18,20,22,
 402     24,28,32,36,40,44,48,52,
 403     56,64,72,80,88,96,104,112,
 404 };
 405
 406 UINT8 ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales?
 407 //  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
 408     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,
 409     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,
 410     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,
 411     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,
 412 };
 413
 414 static const float mpeg1_aspect[16]={
 415     0.0000,
 416     1.0000,
 417     0.6735,
 418     0.7031,
 419
 420     0.7615,
 421     0.8055,
 422     0.8437,
 423     0.8935,
 424
 425     0.9157,
 426     0.9815,
 427     1.0255,
 428     1.0695,
 429
 430     1.0950,
 431     1.1575,
 432     1.2015,
 433 };
 434
 435 static const float mpeg2_aspect[16]={
 436     0,
 437     1.0,
 438     -3.0/4.0,
 439     -9.0/16.0,
 440     -1.0/2.21,
 441 };
 442