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/* put NeXTsoundfile header in front, copy needed information to it, and
just use offset to read/write header */
#include <sound/soundstruct.h>
# define SIZEOF_NeXT_HEADER 28
# define SIZEOF_BSD_HEADER 1024
# define SIZEOF_HEADER 1024 /* just use first 28 bytes for NeXT header */
//int SIZEOF_HEADER = SIZEOF_BSD_HEADER;
# define SF_MAGIC 107364
# define SF_LINK 107414
# define SF_SHORT sizeof(short)
# define SF_FLOAT sizeof(float)
# define SF_BUFSIZE (16*1024)
# define SF_MAXCHAN 4
# define MAXCOMM 512
# define MINCOMM 256
/* Codes for sfcode */
# define SF_END 0
# define SF_MAXAMP 1
# define SF_COMMENT 2
# define SF_LINKCODE 3
typedef struct sfcode {
short code;
short bsize;
} SFCODE;
typedef struct sfmaxamp {
float value[SF_MAXCHAN];
long samploc[SF_MAXCHAN];
long timetag;
} SFMAXAMP;
typedef struct sfcomment {
char comment[MAXCOMM];
} SFCOMMENT;
typedef struct sflink {
char reality[50];
int startsamp;
int endsamp;
} SFLINK;
typedef union sfheader {
struct {
SNDSoundStruct NeXTheader;
int sf_magic;
float sf_srate;
int sf_chans;
int sf_packmode;
char sf_codes;
} sfinfo;
char filler[SIZEOF_BSD_HEADER];
} SFHEADER;
/* NeXT macros */
# define sfchans(x) (x)->sfinfo.sf_chans
# define sfmagic(x) (x)->sfinfo.sf_magic
# define sfsrate(x) (x)->sfinfo.sf_srate
# define sfclass(x) (x)->sfinfo.sf_packmode
# define sfbsize(x) ((x)->st_size - sizeof(SFHEADER))
# define sfcodes(x) (x)->sfinfo.sf_codes
# define ismagic(x) ((x)->sfinfo.sf_magic == SF_MAGIC)
# define islink(x) ((x)->sfinfo.sf_magic == SF_LINK)
# define sfmaxamp(mptr,chan) (mptr)->value[chan]
# define sfmaxamploc(mptr,chan) (mptr)->samploc[chan]
# define sfmaxamptime(x) (x)->timetag
# define ismaxampgood(x,s) (sfmaxamptime(x) + 2 >= (s)->st_mtime)
# define sfcomm(x,n) (x)->comment[n]
# define realname(x) (x)->reality
# define startsmp(x) (x)->startsamp
# define endsmp(x) (x)->endsamp
# define sfoffset(x,h) ((x)->startsamp * sfchans(h) * sfclass(h))
# define sfendset(x,h) ((x)->endsamp * sfchans(h) * sfclass(h))
# define sflseek(x,y,z) lseek(x,z != 0 ? y : (y) + sizeof(SFHEADER),z)
# define wheader(x,y) Nwheader(x,y)
# define rheader(x,y) read(x,y,sizeof(SFHEADER)) != sizeof(SFHEADER)
#define readopensf(name,fd,sfh,sfst,prog,result) \
if ((fd = open(name, 0)) < 0) { \
fprintf(stderr,"%s: cannot access file %s\n",prog,name); \
result = -1; \
} \
else if (stat(name,&sfst)){ \
fprintf(stderr,"%s: cannot get status on %s\n",prog,name); \
result = -1; \
} \
else if (rheader(fd,&sfh)){ \
fprintf(stderr,"%s: cannot read header from %s\n",prog,name); \
result = -1; \
} \
else if (!ismagic(&sfh)){ \
fprintf(stderr,"%s: %s not a bsd soundfile\n",prog,name); \
result = -1; \
} \
else result = 0;
#define rwopensf(name,fd,sfh,sfst,prog,result,code) \
if ((fd = open(name, code)) < 0) { \
fprintf(stderr,"%s: cannot access file %s\n",prog,name); \
result = -1; \
} \
else if (rheader(fd,&sfh)){ \
fprintf(stderr,"%s: cannot read header from %s\n",prog,name); \
result = -1; \
} \
else if (!ismagic(&sfh)){ \
fprintf(stderr,"%s: %s not a bsd soundfile\n",prog,name); \
result = -1; \
} \
else if (stat(name,&sfst)){ \
fprintf(stderr,"%s: cannot get status on %s\n",prog,name); \
result = -1; \
} \
else result = 0;
#define drwopensf(name,fd,sfh,sfst,prog,result,code) \
if ((fd = open(name, code)) < 0) { \
fprintf(stderr,"%s: cannot access file %s\n",prog,name); \
result = -1; \
} \
else if ((result = DoubleHeader(fd,&sfh)) < 0){ \
fprintf(stderr,"%s: cannot read header from %s\n",prog,name); \
result = -1; \
} \
else if (stat(name,&sfst)){ \
fprintf(stderr,"%s: cannot get status on %s\n",prog,name); \
result = -1; \
};
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.