workbench/devs/AHI/Drivers/Filesave/Studio16file.h

   1 #ifndef STUDIO16FILE_H
   2 #define STUDIO16FILE_H
   3
   4 /*
   5 **      $VER: Studio16fileformat 2.0 (9.11.97)
   6 **
   7 **      The STUDIO16_2.0 format (KWK3)
   8 **
   9 **      Analysed by Kenneth "Kenny" Nilsen
  10 **      mailto:kenny@bgnett.no
  11 */
  12
  13 #ifndef EXEC_TYPES_H
  14 #include <exec/types.h>
  15 #endif
  16
  17 /* Initializers */
  18
  19 #define S16FID          0x4B574B33  /* "KWK3" */
  20 #define S16FINIT        0x1
  21
  22 /* File header structure
  23 *
  24 *  HEADER  (3690)
  25 *  SAMPLES (samples x 16bit)
  26 */
  27
  28 #define S16FILEHEADERSIZE       3690
  29
  30 /* I am no C programmer so please let me know if this one is incorrect: */
  31
  32 struct STUDIO16FILE
  33 {
  34         ULONG   S16F_ID;                /* FILE HEADER ID (K16FID) */
  35         ULONG   S16F_RATE;              /* sample rate */
  36         ULONG   S16F_FILTER;            /* Init with $1 (K16FINIT) */
  37         UWORD   S16F_VOLUME;            /* sample volume */
  38         ULONG   S16F_SMPTE;             /* SMPTE timecode (H:B M:B S:B F:B) */
  39         ULONG   S16F_SMPTEFLOAT;        /* SMPTE sampling rate */
  40         ULONG   S16F_PAN;               /* pan setting */
  41         LONG    S16F_FLAGS;             /* misc flags */
  42         LONG    S16F_RESERVED;
  43
  44 /* here follows the sampleclips */
  45
  46         ULONG   S16F_SAMPLES0;          /* number of samples (bytesize/2) */
  47         ULONG   S16F_SAMPLES1;          /* number of samples */
  48         ULONG   S16F_0;                 /* start of first range [main] */
  49         ULONG   S16F_SAMPLES2;          /* number of samples-1  (end) */
  50         ULONG   S16F_EDITSTATUS;        /* if =null then no edits in file */
  51         char    S16F_1[3636];
  52 /*      LABEL   S16F_SIZEOF     */      /* =3690 */
  53 };
  54
  55 /* Sample rates for Studio 16: */
  56
  57 #define S16_FREQ_0      0x1589  /* 5513 hz */
  58 #define S16_FREQ_1      0x19D7  /* 6615 hz */
  59 #define S16_FREQ_2      0x1F40  /* 8000 hz */
  60 #define S16_FREQ_3      0x2580  /* 9600 hz */
  61 #define S16_FREQ_4      0x2B11  /* 11025 hz */
  62 #define S16_FREQ_5      0x3e80  /* 16000 hz */
  63 #define S16_FREQ_6      0x49D4  /* 18900 hz */
  64 #define S16_FREQ_7      0x5622  /* 22050 hz */
  65 #define S16_FREQ_8      0x6B25  /* 27429 hz */
  66 #define S16_FREQ_9      0x7D00  /* 32000 hz */
  67 #define S16_FREQ_A      0x8133  /* 33075 hz */
  68 #define S16_FREQ_B      0x93A8  /* 37800 hz */
  69 #define S16_FREQ_C      0xAC44  /* 44100 hz */
  70 #define S16_FREQ_D      0xBB80  /* 48000 hz */
  71
  72 /* Volumes */
  73
  74 #define S16_VOL_6       0xD40   /* +6 dB */
  75 #define S16_VOL_0       0xC80   /* +0 dB */
  76 #define S16_VOL_40      0x780   /* Decibel = number-100 */
  77 #define S16_VOL_OFF     0       /* oo dB */
  78
  79 #define S16_VOL_STEPS   0x20
  80
  81 /* Pans */
  82
  83 #define S16_PAN_LEFT    0x0
  84 #define S16_PAN_MID     0xc80
  85 #define S16_PAN_RIGHT   0x1900
  86
  87 #define S16_PAN_STEPS   0x20
  88
  89 /* NOTE: Fileclips and regions are not defined here!
  90 *  Make sure to convert edits to permanent before converting a sample
  91 *  FROM Studio16_2.0 to something else. */
  92
  93 #endif /* STUDIO16FILE_H */