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/****************************************************************
Copyright (C) 1986-2000 by
F6FBB - Jean-Paul ROUBELAT
6, rue George Sand
31120 - Roquettes - France
jpr@f6fbb.org
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Parts of code have been taken from many other softwares.
Thanks for the help.
****************************************************************/
#ifndef _FMTHEADERS_H
#define _FMTHEADERS_H 1
#include <sys/types.h>
/* Definitions for .VOC files */
#define MAGIC_STRING "Creative Voice File\0x1A"
#define ACTUAL_VERSION 0x010A
#define VOC_SAMPLESIZE 8
#define MODE_MONO 0
#define MODE_STEREO 1
#define DATALEN(bp) ((u_long)(bp->datalen) | \
((u_long)(bp->datalen_m) << 8) | \
((u_long)(bp->datalen_h) << 16) )
typedef struct _vocheader
{
u_char magic[20]; /* must be MAGIC_STRING */
u_short headerlen; /* Headerlength, should be 0x1A */
u_short version; /* VOC-file version */
u_short coded_ver; /* 0x1233-version */
}
VocHeader;
typedef struct _blocktype
{
u_char type;
u_char datalen; /* low-byte */
u_char datalen_m; /* medium-byte */
u_char datalen_h; /* high-byte */
}
BlockType;
typedef struct _voice_data
{
u_char tc;
u_char pack;
}
Voice_data;
typedef struct _ext_block
{
u_short tc;
u_char pack;
u_char mode;
}
Ext_Block;
/* Definitions for Microsoft WAVE format */
#define RIFF 0x46464952
#define WAVE 0x45564157
#define FMT 0x20746D66
#define DATA 0x61746164
#define PCM_CODE 1
#define WAVE_MONO 1
#define WAVE_STEREO 2
/* 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 _waveheader
{
u_long main_chunk; /* 'RIFF' */
u_long length; /* filelen */
u_long chunk_type; /* 'WAVE' */
u_long sub_chunk; /* 'fmt ' */
u_long sc_len; /* length of sub_chunk, =16 */
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 */
}
WaveHeader;
#endif
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