7 /* Definitions for .VOC files */
9 #define VOC_MAGIC_STRING "Creative Voice File\x1A"
10 #define VOC_ACTUAL_VERSION 0x010A
11 #define VOC_SAMPLESIZE 8
13 #define VOC_MODE_MONO 0
14 #define VOC_MODE_STEREO 1
16 #define VOC_DATALEN(bp) ((u_long)(bp->datalen) | \
17 ((u_long)(bp->datalen_m) << 8) | \
18 ((u_long)(bp->datalen_h) << 16) )
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 */
27 typedef struct voc_blocktype {
29 u_char datalen; /* low-byte */
30 u_char datalen_m; /* medium-byte */
31 u_char datalen_h; /* high-byte */
34 typedef struct voc_voice_data {
39 typedef struct voc_ext_block {
45 /* Definitions for Microsoft WAVE format */
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)
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)
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')
68 /* WAVE fmt block constants from Microsoft mmreg.h header */
69 #define WAV_FMT_PCM 0x0001
70 #define WAV_FMT_IEEE_FLOAT 0x0003
71 #define WAV_FMT_DOLBY_AC3_SPDIF 0x0092
72 #define WAV_FMT_EXTENSIBLE 0xfffe
74 /* Used with WAV_FMT_EXTENSIBLE format */
75 #define WAV_GUID_TAG "\x00\x00\x00\x00\x10\x00\x80\x00\x00\xAA\x00\x38\x9B\x71"
77 /* it's in chunks like .voc and AMIGA iff, but my source say there
78 are in only in this combination, so I combined them in one header;
79 it works on all WAVE-file I have
82 u_int magic; /* 'RIFF' */
83 u_int length; /* filelen */
84 u_int type; /* 'WAVE' */
88 u_short format; /* see WAV_FMT_* */
90 u_int sample_fq; /* frequence of sample */
92 u_short byte_p_spl; /* samplesize; 1 or 2 bytes */
93 u_short bit_p_spl; /* 8, 12 or 16 bit */
101 u_short guid_format; /* WAV_FMT_* */
102 u_char guid_tag[14]; /* WAV_GUID_TAG */
103 } WaveFmtExtensibleBody;
106 u_int type; /* 'data' */
107 u_int length; /* samplecount */
110 /* Definitions for Sparc .au header */
112 #define AU_MAGIC COMPOSE_ID('.','s','n','d')
114 #define AU_FMT_ULAW 1
115 #define AU_FMT_LIN8 2
116 #define AU_FMT_LIN16 3
118 typedef struct au_header {
119 u_int magic; /* '.snd' */
120 u_int hdr_size; /* size of header (min 24) */
121 u_int data_size; /* size of data */
122 u_int encoding; /* see to AU_FMT_XXXX */
123 u_int sample_rate; /* sample rate */
124 u_int channels; /* number of channels (voices) */