psych.c

jpeg and mpeg 编解码技术源代码

#include <math.h>

#include "tf_main.h"
#include "psych.h"
#include "common.h"


static SR_INFO sr_info_aac[MAX_SAMPLING_RATES+1] =
{
  { 8000  },
  { 11025 },
  { 12000 },
  { 16000 },

/* added by T. Araki (1997.10.16) */
  { 22050, 47, 15,
     { /*  cb_width_long[NSFB_LONG] */
      4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  8,  8,  8,  8,  8,  8,  8,
      8,  8,  8,  12, 12, 12, 12, 16, 16, 16, 20, 20, 24, 24, 28, 28, 32,
      36, 36, 40, 44, 48, 52, 52, 64, 64, 64, 64, 64
     },
     { /* cb_width_short[NSFB_SHORT] */
      4,  4,  4,  4,  4,  4,  4,  8,  8,  8,  8, 12, 16, 16, 20
     }
  },
/* added by T. Araki (1997.10.16) end */

  { 24000 },
  { 32000 },

/* added by T. Araki (1997.07.09) */
  { 44100, 49, 14,
     { /*  cb_width_long[NSFB_LONG] */
      4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  8,  8,  8,  8,  8,  8,  8, 
      12, 12, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, 32, 32, 32, 32, 32,
      32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 96 
     }, 
     { /* cb_width_short[NSFB_SHORT] */
      4,  4,  4,  4,  4,  8,  8,  8, 12, 12, 12, 16, 16, 16 
     },
     { /* fixed_ratio_long[NSFB_LONG] */
      0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 
      0.04, 0.04, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.09, 
      0.09, 0.09, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 
      0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.25, 0.30, 0.30, 0.30, 0.40,
      1.00
     },
     { /* fixed_ratio_short[NSFB_SHORT] */
      0.04, 0.04, 0.04, 0.05, 0.07, 0.10, 0.12, 0.15, 0.15, 0.20, 0.25, 0.30, 0.40, 1.00
     }
/* added by T. Araki (1997.07.09) end */

  },
  { 48000, 49, 14,
     { /*  cb_width_long[NSFB_LONG] */
      4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  8,  8,  8,  8,  8,  8,  8, 
      12, 12, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, 32, 32, 32, 32, 32,
      32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 96 
     }, 
     { /* cb_width_short[NSFB_SHORT] */
      4,  4,  4,  4,  4,  8,  8,  8, 12, 12, 12, 16, 16, 16 
     },
     { /* fixed_ratio_long[NSFB_LONG] */
      0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 
      0.04, 0.04, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.09, 
      0.09, 0.09, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 
      0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.25, 0.30, 0.30, 0.30, 0.40,
      1.00
     },
     { /* fixed_ratio_short[NSFB_SHORT] */
      0.04, 0.04, 0.04, 0.05, 0.07, 0.10, 0.12, 0.15, 0.15, 0.20, 0.25, 0.30, 0.40, 1.00
     }
  },
  { 96000 },
  { -1 }
};
static SR_INFO sr_info_960[MAX_SAMPLING_RATES+1] =
{
  { 8000  },
  { 11025 },
  { 12000 },
  { 16000 },
  { 22050 },
  { 24000 },
  { 32000 },
  { 44100 },
  { 48000, 49, 14,
     { /*  cb_width_long[NSFB_LONG] */
       4,4,4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 12, 12, 12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, 32, 32,
     32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32
       
     }, 
     { /* cb_width_short[NSFB_SHORT] */
       4,4,4, 4, 4, 8, 8, 8, 12,12,12,16,16, 8
     },
     { /* fixed_ratio_long[NSFB_LONG] */
      0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 
      0.04, 0.04, 0.05, 0.05, 0.05, 0.05, 0.05, 0.06, 0.06, 0.06, 0.06, 0.09, 
      0.09, 0.09, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15, 
      0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.20, 0.25, 0.30, 0.30, 0.30, 0.40,
      1.00
     },
     { /* fixed_ratio_short[NSFB_SHORT] */
      0.04, 0.04, 0.04, 0.05, 0.07, 0.10, 0.12, 0.15, 0.15, 0.20, 0.25, 0.30, 0.40, 1.00
     }
  },
  { 96000 },
  { -1 }
};


static SR_INFO sr_info_NOT_aac[MAX_SAMPLING_RATES+1] =
{
  { 8000  },
  { 11025 },
  { 12000 },
  { 16000 },
  { 22050 },
  { 24000 },
  { 32000 },
  { 44100 },
  { 48000, 37, 13,
    { /*  cb_width_long[NSFB_LONG] */
      4,  4,  4,  4,  4,  4,  4,  4,  4,  6,  6,  6, 
      6,  8,  8,  8, 10, 10, 12, 12, 14, 16, 18, 20, 
      22, 24, 26, 28, 32, 36, 40, 44, 48, 54, 62, 70, 342
    },
    { /* cb_width_short[NSFB_SHORT] */
      4,  4,  4,  4,  4,  6,  6,  8,  8, 10, 12, 16, 42
    },
    { /* fixed_ratio_long[NSFB_LONG] */
      0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.04, 0.05, 0.05,
      0.05, 0.06, 0.06, 0.06, 0.09, 0.09, 0.15, 0.15, 0.15, 0.15, 0.15, 0.15,
      0.15, 0.15, 0.20, 0.20, 0.20, 0.20, 0.20, 0.25, 0.30, 0.30, 0.30, 0.40, 
      1.00
    },
    { /* fixed_ratio_short[NSFB_SHORT] */
      0.04, 0.04, 0.04, 0.05, 0.07, 0.10, 0.12, 0.15, 0.15, 0.20, 0.25, 0.30, 
      0.40, 1.00
    }
  },
  { 96000 },
  { -1 }
};

/* added by T. Araki (1997.07.10) */
static PARTITION_TABLE_LONG  part_tbl_long_all[MAX_SAMPLING_RATES+1] =
{
  { 8000  },
  { 11025 },
  { 12000 },
  { 16000 },
 
/* added by T. Araki (1997.10.16) */
  { 22050, 63,
     { /* w_low */
      0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68,
      72, 77, 82, 87, 92, 97, 102, 108, 114, 120, 126, 133, 140, 147, 155,
      163, 172, 181, 191, 201, 212, 224, 237, 251, 266, 282, 299, 318, 338,
      360, 383, 408, 435, 464, 495, 528, 564, 602, 643, 687, 734, 785, 840,
      899, 963
     },
     {/* w_high */
      3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71,
      76, 81, 86, 91, 96, 101, 107, 113, 119, 125, 132, 139, 146, 154, 162,
      171, 180, 190, 200, 211, 223, 236, 250, 265, 281, 298, 317, 337, 359,
      382, 407, 434, 463, 494, 527, 563, 601, 642, 686, 733, 784, 839, 898,
      962, 1023
     },
     { /* width */
      4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5,
      6, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
      19, 20, 22, 23, 25, 27, 29, 31, 33, 36, 38, 41, 44, 47, 51, 55, 59,
      64, 61
     },
     { /* bval */
      0.22, 0.65, 1.09, 1.52, 1.95, 2.37, 2.79, 3.21, 3.62, 4.02, 4.41, 4.80,
      5.18, 5.55, 5.92, 6.27, 6.62, 6.95, 7.32, 7.71, 8.10, 8.46, 8.82, 9.16,
      9.52, 9.89, 10.25, 10.59, 10.95, 11.31, 11.65, 12.00, 12.35, 12.70,
      13.05, 13.40, 13.74, 14.07, 14.41, 14.76, 15.11, 15.46, 15.80, 16.14,
      16.48, 16.82, 17.16, 17.50, 17.84, 18.17, 18.51, 18.84, 19.17, 19.51,
      19.84, 20.17, 20.50, 20.84, 21.17, 21.50, 21.84, 22.17, 22.48
     },
     { /* qsthr */
      43.30, 43.30, 38.30, 38.30, 38.30, 35.30, 35.30, 30.30, 30.30, 28.30,
      28.30, 28.30, 28.30, 28.30, 28.30, 28.30, 28.30, 28.30, 29.27, 29.27,
      29.27, 29.27, 29.27, 29.27, 30.06, 30.06, 30.06, 30.06, 30.73, 30.73,
      30.73, 31.31, 31.31, 31.82, 31.82, 32.28, 32.28, 32.69, 33.07, 33.42,
      33.74, 34.04, 34.32, 34.58, 35.06, 35.29, 35.70, 35.89, 36.26, 36.59,
      36.90, 37.19, 37.46, 37.84, 38.07, 41.40, 41.71, 42.00, 44.35, 44.68,
      44.98, 50.34, 50.13
     }
  },
/* added by T. Araki (1997.10.16) end */

  { 24000 },
  { 32000 },
  { 44100, 70, 
     { /* w_low */
      0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36,
      39, 42, 45, 48, 51, 54, 57, 60, 63, 67, 71, 75, 79, 83, 88, 93, 98,
      104, 110, 117, 124, 132, 140, 149, 158, 168, 179, 191, 204, 218, 233,
      249, 266, 284, 304, 325, 348, 372, 398, 426, 456, 489, 525, 564, 607,
      654, 707, 766, 833, 909, 997
     },
     { /* w_high */
      1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 38, 
      41, 44, 47, 50, 53, 56, 59, 62, 66, 70, 74, 78, 82, 87, 92, 97, 103,
      109, 116, 123, 131, 139, 148, 157, 167, 178, 190, 203, 217, 232, 248,
      265, 283, 303, 324, 347, 371, 397, 425, 455, 488, 524, 563, 606, 653,
      706, 765, 832, 908, 996, 1023
     },
     { /* width */
      2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 
      3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 11,
      12, 13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 26, 28, 30, 33, 36, 39,
      43, 47, 53, 59, 67, 76, 88, 27
     },
     { /* bval */
      0.22, 0.65, 1.09, 1.52, 1.95, 2.37, 2.79, 3.21, 3.62, 4.02, 4.41, 4.80,
      5.18, 5.55, 5.92, 6.27, 6.62, 6.95, 7.36, 7.83, 8.28, 8.71, 9.12, 9.52,
      9.89, 10.25, 10.59, 10.97, 11.38, 11.77, 12.13, 12.48, 12.84, 13.22,
      13.57, 13.93, 14.30, 14.67, 15.03, 15.40, 15.76, 16.11, 16.45, 16.79,
      17.13, 17.48, 17.83, 18.18, 18.52, 18.87, 19.21, 19.54, 19.88, 20.22,
      20.56, 20.90, 21.24, 21.57, 21.91, 22.24, 22.58, 22.91, 23.25, 23.58,
      23.91, 24.00, 24.00, 24.00, 24.00, 24.00
     },
     { /* qsthr */
      40.29, 40.29, 35.29, 35.29, 35.29, 32.29, 32.29, 27.29, 27.29, 25.29,
      25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 27.05, 27.05,
      27.05, 27.05, 27.05, 27.05, 27.05, 27.05, 27.05, 28.30, 28.30, 28.30,
      28.30, 28.30, 29.27, 29.27, 29.27, 30.06, 30.06, 30.73, 30.73, 31.31,
      31.31, 31.82, 31.82, 32.28, 32.69, 33.07, 33.42, 33.74, 34.04, 34.32,
      34.58, 34.83, 35.29, 38.50, 38.89, 39.08, 41.43, 41.75, 42.05, 47.46,
      47.84, 48.19, 58.61, 59.00, 59.52, 69.98, 70.54, 71.08, 71.72, 72.09
     }
  },
  { 48000, 69,
     { /* w_low */
      0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36,
      38, 41, 44, 47, 50, 53, 56, 59, 62, 66, 70, 74, 78, 82, 87, 92, 97,
      103, 109, 116, 123, 131, 139, 148, 158, 168, 179, 191, 204, 218, 233,
      249, 266, 284, 304, 325, 348, 372, 398, 426, 457, 491, 528, 568, 613,
      663, 719, 782, 854, 938
     },
     { /* w_high */
      1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37,
      40, 43, 46, 49, 52, 55, 58, 61, 65, 69, 73, 77, 81, 86, 91, 96, 102,
      108, 115, 122, 130, 138, 147, 157, 167, 178, 190, 203, 217, 232, 248,
      265, 283, 303, 324, 347, 371, 397, 425, 456, 490, 527, 567, 612, 662,
      718, 781, 853, 937, 1023
     }, 
     { /* width */
      2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
      3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 9, 10, 10, 11, 12,
      13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 26, 28, 31, 34, 37, 40, 45, 50,
      56, 63, 72, 84, 86
     },
     { /* bval */
      0.24, 0.71, 1.18, 1.65, 2.12, 2.58, 3.03, 3.48, 3.92, 4.35, 4.77, 5.19,
      5.59, 5.99, 6.37, 6.74, 7.10, 7.45, 7.80, 8.20, 8.68, 9.13, 9.55, 9.96,
      10.35, 10.71, 11.06, 11.45, 11.86, 12.25, 12.62, 12.96, 13.32, 13.70,
      14.05, 14.41, 14.77, 15.13, 15.49, 15.85, 16.20, 16.55, 16.91, 17.25,
      17.59, 17.93, 18.28, 18.62, 18.96, 19.30, 19.64, 19.97, 20.31, 20.65,
      20.99, 21.33, 21.66, 21.99, 22.32, 22.66, 23.00, 23.33, 23.67, 24.00,
      24.00, 24.00, 24.00, 24.00, 24.00
     },
     { /* qsthr */
      40.29, 40.29, 35.29, 35.29, 32.29, 32.29, 27.29, 27.29, 27.29, 25.29,
      25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 25.29, 27.05,
      27.05, 27.05, 27.05, 27.05, 27.05, 27.05, 27.05, 28.30, 28.30, 28.30,
      28.30, 28.30, 29.27, 29.27, 29.27, 30.06, 30.06, 30.73, 30.73, 31.31,
      31.31, 31.82, 32.28, 32.28, 32.69, 33.07, 33.42, 33.74, 34.04, 34.32,
      34.58, 34.83, 38.29, 38.50, 38.89, 41.08, 41.43, 41.75, 47.19, 47.59,
      47.96, 58.30, 58.81, 69.27, 69.76, 70.27, 70.85, 71.52, 70.20
     }
  },
  { 96000 },
  { -1 }
};

static PARTITION_TABLE_SHORT  part_tbl_short_all[MAX_SAMPLING_RATES+1] =
{
  { 8000  },
  { 11025 },
  { 12000 },
  { 16000 },

/* added by T. Araki (1997.10.16) */
  { 22050, 46,
     { /* w_low */
      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
      20, 22, 24, 26, 28, 30, 32, 34, 36, 39, 42, 45, 48, 52, 56, 60, 64, 69,
      74, 79, 85, 91, 98, 105, 113, 121
     },
     { /* w_high */
      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
      21, 23, 25, 27, 29, 31, 33, 35, 38, 41, 44, 47, 51, 55, 59, 63, 68, 73,
      78, 84, 90, 97, 104, 112, 120, 127
     },
     { /* width */
      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2,
      2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 7
     },
     { /* bval */
      0.00, 0.87, 1.73, 2.58, 3.41, 4.22, 4.99, 5.74, 6.45, 7.12, 7.75, 8.36,
      8.92, 9.45, 9.96, 10.43, 10.87, 11.29, 11.68, 12.05, 12.71, 13.32,
      13.86, 14.35, 14.80, 15.21, 15.58, 15.93, 16.32, 16.75, 17.15, 17.51,
      17.89, 18.30, 18.67, 19.02, 19.37, 19.74, 20.09, 20.44, 20.79, 21.15,
      21.50, 21.85, 22.20, 22.49
     },
     { /* qsthr */
      27.28, 27.28, 22.28, 19.28, 14.28, 12.28, 12.28, 12.28, 12.28, 12.28,
      12.28, 12.28, 12.28, 12.28, 12.28, 12.28, 12.28, 12.28, 12.28, 12.28,
      15.29, 15.29, 15.29, 15.29, 15.29, 15.29, 15.29, 15.29, 17.05, 17.05,
      17.05, 17.05, 18.30, 18.30, 18.30, 18.30, 19.27, 19.27, 22.27, 23.06,
      23.06, 25.73, 25.73, 26.31, 31.31, 30.73
     }
  },
/* added by T. Araki (1997.10.16) end */

  { 24000 },
  { 32000 },
  { 44100, 42, 
     { /* w_low */
      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20,
      22, 24, 26, 28, 30, 32, 35, 38, 41, 44, 48, 52, 56, 60, 65, 70, 76,
      82, 89, 97, 106, 116
     },
     { /* w_high */
      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21,
      23, 25, 27, 29, 31, 34, 37, 40, 43, 47, 51, 55, 59, 64, 69, 75, 81,
      88, 96, 105, 115, 127