kttsd/players/alsaplayer/formats.h

   1 #ifndef FORMATS_H
   2 #define FORMATS_H               1
   3
   4 #include <endian.h>
   5 #include <byteswap.h>
   6
   7 /* Definitions for .VOC files */
   8
   9 #define VOC_MAGIC_STRING        "Creative Voice File\x1A"
  10 #define VOC_ACTUAL_VERSION      0x010A
  11 #define VOC_SAMPLESIZE          8
  12
  13 #define VOC_MODE_MONO           0
  14 #define VOC_MODE_STEREO         1
  15
  16 #define VOC_DATALEN(bp)         ((u_long)(bp->datalen) | \
  17                                 ((u_long)(bp->datalen_m) << 8) | \
  18                                 ((u_long)(bp->datalen_h) << 16) )
  19
  20 typedef struct voc_header {
  21         u_char magic[20];       /* must be MAGIC_STRING */
  22         u_short headerlen;      /* Headerlength, should be 0x1A */
  23         u_short version;        /* VOC-file version */
  24         u_short coded_ver;      /* 0x1233-version */
  25 } VocHeader;
  26
  27 typedef struct voc_blocktype {
  28         u_char type;
  29         u_char datalen;         /* low-byte    */
  30         u_char datalen_m;       /* medium-byte */
  31         u_char datalen_h;       /* high-byte   */
  32 } VocBlockType;
  33
  34 typedef struct voc_voice_data {
  35         u_char tc;
  36         u_char pack;
  37 } VocVoiceData;
  38
  39 typedef struct voc_ext_block {
  40         u_short tc;
  41         u_char pack;
  42         u_char mode;
  43 } VocExtBlock;
  44
  45 /* Definitions for Microsoft WAVE format */
  46
  47 #if __BYTE_ORDER == __LITTLE_ENDIAN
  48 #define COMPOSE_ID(a,b,c,d)     ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
  49 #define LE_SHORT(v)             (v)
  50 #define LE_INT(v)               (v)
  51 #define BE_SHORT(v)             bswap_16(v)
  52 #define BE_INT(v)               bswap_32(v)
  53 #elif __BYTE_ORDER == __BIG_ENDIAN
  54 #define COMPOSE_ID(a,b,c,d)     ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24))
  55 #define LE_SHORT(v)             bswap_16(v)
  56 #define LE_INT(v)               bswap_32(v)
  57 #define BE_SHORT(v)             (v)
  58 #define BE_INT(v)               (v)
  59 #else
  60 #error "Wrong endian"
  61 #endif
  62
  63 #define WAV_RIFF                COMPOSE_ID('R','I','F','F')
  64 #define WAV_WAVE                COMPOSE_ID('W','A','V','E')
  65 #define WAV_FMT                 COMPOSE_ID('f','m','t',' ')
  66 #define WAV_DATA                COMPOSE_ID('d','a','t','a')
  67 #define WAV_PCM_CODE            1
  68
  69 /* it's in chunks like .voc and AMIGA iff, but my source say there
  70    are in only in this combination, so I combined them in one header;
  71    it works on all WAVE-file I have
  72  */
  73 typedef struct {
  74         u_int magic;            /* 'RIFF' */
  75         u_int length;           /* filelen */
  76         u_int type;             /* 'WAVE' */
  77 } WaveHeader;
  78
  79 typedef struct {
  80         u_short format;         /* should be 1 for PCM-code */
  81         u_short modus;          /* 1 Mono, 2 Stereo */
  82         u_int sample_fq;        /* frequence of sample */
  83         u_int byte_p_sec;
  84         u_short byte_p_spl;     /* samplesize; 1 or 2 bytes */
  85         u_short bit_p_spl;      /* 8, 12 or 16 bit */
  86 } WaveFmtBody;
  87
  88 typedef struct {
  89         u_int type;             /* 'data' */
  90         u_int length;           /* samplecount */
  91 } WaveChunkHeader;
  92
  93 /* Definitions for Sparc .au header */
  94
  95 #define AU_MAGIC                COMPOSE_ID('.','s','n','d')
  96
  97 #define AU_FMT_ULAW             1
  98 #define AU_FMT_LIN8             2
  99 #define AU_FMT_LIN16            3
 100
 101 typedef struct au_header {
 102         u_int magic;            /* '.snd' */
 103         u_int hdr_size;         /* size of header (min 24) */
 104         u_int data_size;        /* size of data */
 105         u_int encoding;         /* see to AU_FMT_XXXX */
 106         u_int sample_rate;      /* sample rate */
 107         u_int channels;         /* number of channels (voices) */
 108 } AuHeader;
 109
 110 #endif                          /* FORMATS */