toolame-02l/encoder.h

   1 #ifndef ENCODER_DOT_H
   2 #define ENCODER_DOT_H
   3 #include "options.h"
   4
   5 /* General Definitions */
   6
   7 /* Default Input Arguments (for command line control) */
   8
   9 #define DFLT_LAY        2       /* default encoding layer is II */
  10 #define DFLT_MOD        'j'     /* default mode is joint stereo */
  11 #define DFLT_PSY        1       /* default psych model is 1 */
  12 #define DFLT_SFQ        44.1    /* default input sampling rate is 44.1 kHz */
  13 #define DFLT_EMP        'n'     /* default de-emphasis is none */
  14 #define DFLT_EXT        ".mp2"  /* default output file extension */
  15 #define DFLT_BRI        10      /* default bitrate_index = 10 (192kbps) */
  16
  17 #define FILETYPE_ENCODE 'TEXT'
  18 #define CREATOR_ENCODE  'MpgD'
  19
  20 /* This is the smallest MNR a subband can have before it is counted
  21    as 'noisy' by the logic which chooses the number of JS subbands */
  22
  23 #define NOISY_MIN_MNR   0.0
  24
  25 /* Psychacoustic Model 1 Definitions */
  26
  27 #define CB_FRACTION     0.33
  28 #define MAX_SNR         1000
  29 #define NOISE           10
  30 #define TONE            20
  31 #define DBMIN           -200.0
  32 #define LAST            -1
  33 #define STOP            -100
  34 #define POWERNORM       90.3090 /* = 20 * log10(32768) to normalize */
  35 /* max output power to 96 dB per spec */
  36
  37 /* Psychoacoustic Model 2 Definitions */
  38
  39 #define LOGBLKSIZE      10
  40 #define BLKSIZE         1024
  41 #define HBLKSIZE        513
  42 #define CBANDS          64
  43 #define LXMIN           32.0
  44
  45 /***********************************************************************
  46 *
  47 *  Encoder Type Definitions
  48 *
  49 ***********************************************************************/
  50
  51 /* Psychoacoustic Model 1 Type Definitions */
  52
  53 typedef int IFFT2[FFT_SIZE / 2];
  54 typedef int IFFT[FFT_SIZE];
  55 typedef double D9[9];
  56 typedef double D10[10];
  57 typedef double D640[640];
  58 typedef double D1408[1408];
  59 typedef double DFFT2[FFT_SIZE / 2];
  60 typedef double DFFT[FFT_SIZE];
  61 typedef double DSBL[SBLIMIT];
  62 typedef double D2SBL[2][SBLIMIT];
  63
  64 typedef struct
  65 {
  66   int line;
  67   double bark, hear, x;
  68 }
  69 g_thres, *g_ptr;
  70
  71 typedef struct
  72 {
  73   double x;
  74   int type, next, map;
  75 }
  76 mask, *mask_ptr;
  77
  78 /* Psychoacoustic Model 2 Type Definitions */
  79
  80 typedef int ICB[CBANDS];
  81 typedef int IHBLK[HBLKSIZE];
  82 typedef FLOAT F32[32];
  83 typedef FLOAT F2_32[2][32];
  84 typedef FLOAT FCB[CBANDS];
  85 typedef FLOAT FCBCB[CBANDS][CBANDS];
  86 typedef FLOAT FBLK[BLKSIZE];
  87 typedef FLOAT FHBLK[HBLKSIZE];
  88 typedef FLOAT F2HBLK[2][HBLKSIZE];
  89 typedef FLOAT F22HBLK[2][2][HBLKSIZE];
  90 typedef double DCB[CBANDS];
  91
  92 #endif