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#ifndef _FMTHEADERS_H
#define _FMTHEADERS_H 1
#include <sys/types.h>
/* Definitions for .VOC files */
#define VOC_MAGIC "Creative Voice File\032"
#define DATALEN(bp) ((u_long)(bp.BlockLen[0]) | \
((u_long)(bp.BlockLen[1]) << 8) | \
((u_long)(bp.BlockLen[2]) << 16) )
typedef struct vochead
{
u_char Magic[20]; /* must be VOC_MAGIC */
u_short BlockOffset; /* Offset to first block from top of file */
u_short Version; /* VOC-file version */
u_short IDCode; /* complement of version + 0x1234 */
}
vochead;
typedef struct blockTC
{
u_char BlockID;
u_char BlockLen[3]; /* low, mid, high byte of length of rest of block */
}
blockTC;
typedef struct blockT1
{
u_char TimeConstant;
u_char PackMethod;
}
blockT1;
typedef struct blockT8
{
u_short TimeConstant;
u_char PackMethod;
u_char VoiceMode;
}
blockT8;
typedef struct blockT9
{
u_int SamplesPerSec;
u_char BitsPerSample;
u_char Channels;
u_short Format;
u_char reserved[4];
}
blockT9;
/* Definitions for Microsoft WAVE format */
/* it's in chunks like .voc and AMIGA iff, but my source say there
are in only in this combination, so I combined them in one header;
it works on all WAVE-file I have
*/
typedef struct wavhead
{
u_long main_chunk; /* 'RIFF' */
u_long length; /* Length of rest of file */
u_long chunk_type; /* 'WAVE' */
u_long sub_chunk; /* 'fmt ' */
u_long sc_len; /* length of sub_chunk, =16 (rest of chunk) */
u_short format; /* should be 1 for PCM-code */
u_short modus; /* 1 Mono, 2 Stereo */
u_long sample_fq; /* frequence of sample */
u_long byte_p_sec;
u_short byte_p_spl; /* samplesize; 1 or 2 bytes */
u_short bit_p_spl; /* 8, 12 or 16 bit */
u_long data_chunk; /* 'data' */
u_long data_length; /* samplecount (lenth of rest of block?) */
}
wavhead;
#endif
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