bitno.tab

基本定点运算程序库

/*
********************************************************************************
*
*      GSM AMR-NB speech codec   R98   Version 7.6.0   December 12, 2001
*                                R99   Version 3.3.0                
*                                REL-4 Version 4.1.0                
*
********************************************************************************
*
*      File             : bitno.tab
*      Purpose          : Tables for bit2prm and prm2bit
*
********************************************************************************
*/

#ifndef bitno_tab
#define bitno_tab
static const char bitno_id[] = "@(#)$Id $";

#include "cnst.h"   /* parameter sizes: MAX_PRM_SIZE */
#include "mode.h"   /* N_MODES */

#define BIT_0      0
#define BIT_1      1

#define PRMNO_MR475 17
#define PRMNO_MR515 19
#define PRMNO_MR59  19
#define PRMNO_MR67  19
#define PRMNO_MR74  19
#define PRMNO_MR795 23
#define PRMNO_MR102 39
#define PRMNO_MR122 57
#define PRMNO_MRDTX 5

/* number of parameters per modes (values must be <= MAX_PRM_SIZE!) */
static const Word16 prmno[N_MODES] = {
  PRMNO_MR475,
  PRMNO_MR515,
  PRMNO_MR59,
  PRMNO_MR67,
  PRMNO_MR74,
  PRMNO_MR795,
  PRMNO_MR102,
  PRMNO_MR122,
  PRMNO_MRDTX
};


/* number of parameters to first subframe */
#define PRMNOFSF_MR475 7
#define PRMNOFSF_MR515 7
#define PRMNOFSF_MR59  7
#define PRMNOFSF_MR67  7
#define PRMNOFSF_MR74  7
#define PRMNOFSF_MR795 8
#define PRMNOFSF_MR102 12
#define PRMNOFSF_MR122 18

/* number of parameters to first subframe per modes */
static const Word16 prmnofsf[N_MODES - 1] = {
  PRMNOFSF_MR475,
  PRMNOFSF_MR515,
  PRMNOFSF_MR59,
  PRMNOFSF_MR67,
  PRMNOFSF_MR74,
  PRMNOFSF_MR795,
  PRMNOFSF_MR102,
  PRMNOFSF_MR122
};



/* parameter sizes (# of bits), one table per mode */

static const Word16 bitno_MR475[PRMNO_MR475] = {
   8, 8, 7,                                 /* LSP VQ          */
   8, 7, 2, 8,                              /* first subframe  */
   4, 7, 2,                                 /* second subframe */
   4, 7, 2, 8,                              /* third subframe  */
   4, 7, 2,                                 /* fourth subframe */
};

static const Word16 bitno_MR515[PRMNO_MR515] = {
   8, 8, 7,                                 /* LSP VQ          */
   8, 7, 2, 6,                              /* first subframe  */
   4, 7, 2, 6,                              /* second subframe */
   4, 7, 2, 6,                              /* third subframe  */
   4, 7, 2, 6,                              /* fourth subframe */
};

static const Word16 bitno_MR59[PRMNO_MR59] = {
   8, 9, 9,                                 /* LSP VQ          */
   8, 9, 2, 6,                              /* first subframe  */
   4, 9, 2, 6,                              /* second subframe */
   8, 9, 2, 6,                              /* third subframe  */
   4, 9, 2, 6,                              /* fourth subframe */
};

static const Word16 bitno_MR67[PRMNO_MR67] = {
   8, 9, 9,                                 /* LSP VQ          */
   8, 11, 3, 7,                             /* first subframe  */
   4, 11, 3, 7,                             /* second subframe */
   8, 11, 3, 7,                             /* third subframe  */
   4, 11, 3, 7,                             /* fourth subframe */
};

static const Word16 bitno_MR74[PRMNO_MR74] = {
   8, 9, 9,                                 /* LSP VQ          */
   8, 13, 4, 7,                             /* first subframe  */
   5, 13, 4, 7,                             /* second subframe */
   8, 13, 4, 7,                             /* third subframe  */
   5, 13, 4, 7,                             /* fourth subframe */
};

static const Word16 bitno_MR795[PRMNO_MR795] = {
   9, 9, 9,                                 /* LSP VQ          */
   8, 13, 4, 4, 5,                          /* first subframe  */
   6, 13, 4, 4, 5,                          /* second subframe */
   8, 13, 4, 4, 5,                          /* third subframe  */
   6, 13, 4, 4, 5,                          /* fourth subframe */
};

static const Word16 bitno_MR102[PRMNO_MR102] = {
   8, 9, 9,                                 /* LSP VQ          */
   8, 1, 1, 1, 1, 10, 10, 7, 7,             /* first subframe  */
   5, 1, 1, 1, 1, 10, 10, 7, 7,             /* second subframe */
   8, 1, 1, 1, 1, 10, 10, 7, 7,             /* third subframe  */
   5, 1, 1, 1, 1, 10, 10, 7, 7,             /* fourth subframe */
};

static const Word16 bitno_MR122[PRMNO_MR122] = {
   7, 8, 9, 8, 6,                           /* LSP VQ          */
   9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5,   /* first subframe  */
   6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5,   /* second subframe */
   9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5,   /* third subframe  */
   6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 5    /* fourth subframe */
};

static const Word16 bitno_MRDTX[PRMNO_MRDTX] = {
  3,
  8, 9, 9,
  6
};

/* overall table with all parameter sizes for all modes */
static const Word16 *bitno[N_MODES] = {
   bitno_MR475,
   bitno_MR515,
   bitno_MR59,
   bitno_MR67,
   bitno_MR74,
   bitno_MR795,
   bitno_MR102,
   bitno_MR122,
   bitno_MRDTX
};

#endif