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#ifndef _FMTHEADERS_H
#define _FMTHEADERS_H 1
/*
*
* This file is part of Open Sound System.
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This this source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
*/
#include <sys/types.h>
/* Definitions for .VOC files */
#define MAGIC_STRING "Creative Voice File\x1A"
#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;
typedef struct
{
long magic; /* must be equal to SND_MAGIC */
long dataLocation; /* Offset or pointer to the raw data */
long dataSize; /* Number of bytes of data in the raw data */
long dataFormat; /* The data format code */
long samplingRate; /* The sampling rate */
long channelCount; /* The number of channels */
}
SndHeader;
#define SND_MAGIC ((long int)0x2e736e64)
#define SND_FORMAT_UNSPECIFIED (0)
#define SND_FORMAT_MULAW_8 (1)
#define SND_FORMAT_LINEAR_8 (2)
#define SND_FORMAT_LINEAR_16 (3)
#define SND_FORMAT_LINEAR_24 (4)
#define SND_FORMAT_LINEAR_32 (5)
#define SND_FORMAT_FLOAT (6)
#endif
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