fmtheaders.h

/*****************************************************************************
*   Gnome Wave Cleaner Version 0.01
*   
*   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.
*******************************************************************************/

/* fmtheaders.h */
/* This is not an original file, it was copied from the gramofile application */

#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) )
# ifndef MAC_OS_X
# ifndef __u_char_defined
typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;
#  define __u_char_defined
# endif
# endif /* MAC_OS_X*/

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 (length of rest of block?)*/
} wavhead;

#endif