static int
avr_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
int sign, datalength ;
if (psf->pipeoffset > 0)
return 0 ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
/*
** Only attempt to seek if we are not writng to a pipe. If we are
** writing to a pipe we shouldn't be here anyway.
*/
if (psf->is_pipe == SF_FALSE)
psf_fseek (psf, 0, SEEK_SET) ;
datalength = (int) (psf->datalength & 0x7FFFFFFF) ;
psf_binheader_writef (psf, "Emz22", TWOBIT_MARKER, (size_t) 8,
psf->sf.channels == 2 ? 0xFFFF : 0, psf->bytewidth * 8) ;
sign = ((psf->sf.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_U8) ? 0 : 0xFFFF ;
psf_binheader_writef (psf, "E222", sign, 0, 0xFFFF) ;
psf_binheader_writef (psf, "E4444", psf->sf.samplerate, psf->sf.frames, 0, 0) ;
psf_binheader_writef (psf, "E222zz", 0, 0, 0, (size_t) 20, (size_t) 64) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* avr_write_header */
static int
ircam_write_header (SF_PRIVATE *psf, int UNUSED (calc_length))
{ int encoding ;
float samplerate ;
sf_count_t current ;
if (psf->pipeoffset > 0)
return 0 ;
current = psf_ftell (psf) ;
/* This also sets psf->endian. */
encoding = get_encoding (SF_CODEC (psf->sf.format)) ;
if (encoding == 0)
return SFE_BAD_OPEN_FORMAT ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
if (psf->is_pipe == SF_FALSE)
psf_fseek (psf, 0, SEEK_SET) ;
samplerate = psf->sf.samplerate ;
switch (psf->endian)
{ case SF_ENDIAN_BIG :
psf_binheader_writef (psf, "Emf", IRCAM_02B_MARKER, samplerate) ;
psf_binheader_writef (psf, "E44", psf->sf.channels, encoding) ;
break ;
case SF_ENDIAN_LITTLE :
psf_binheader_writef (psf, "emf", IRCAM_03L_MARKER, samplerate) ;
psf_binheader_writef (psf, "e44", psf->sf.channels, encoding) ;
break ;
default :
return SFE_BAD_OPEN_FORMAT ;
} ;
psf_binheader_writef (psf, "z", (size_t) (IRCAM_DATA_OFFSET - psf->headindex)) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* ircam_write_header */
static int
mat4_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
int encoding ;
double samplerate ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
encoding = mat4_format_to_encoding (SF_CODEC (psf->sf.format), psf->endian) ;
if (encoding == -1)
return SFE_BAD_OPEN_FORMAT ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
/* Need sample rate as a double for writing to the header. */
samplerate = psf->sf.samplerate ;
if (psf->endian == SF_ENDIAN_BIG)
{ psf_binheader_writef (psf, "Em444", MAT4_BE_DOUBLE, 1, 1, 0) ;
psf_binheader_writef (psf, "E4bd", 11, "samplerate", make_size_t (11), samplerate) ;
psf_binheader_writef (psf, "tEm484", encoding, psf->sf.channels, psf->sf.frames, 0) ;
psf_binheader_writef (psf, "E4b", 9, "wavedata", make_size_t (9)) ;
}
else if (psf->endian == SF_ENDIAN_LITTLE)
{ psf_binheader_writef (psf, "em444", MAT4_LE_DOUBLE, 1, 1, 0) ;
psf_binheader_writef (psf, "e4bd", 11, "samplerate", make_size_t (11), samplerate) ;
psf_binheader_writef (psf, "tem484", encoding, psf->sf.channels, psf->sf.frames, 0) ;
psf_binheader_writef (psf, "e4b", 9, "wavedata", make_size_t (9)) ;
}
else
return SFE_BAD_OPEN_FORMAT ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* mat4_write_header */
static void
caf_write_strings (SF_PRIVATE * psf, int location)
{ struct put_buffer buf ;
const char * cptr ;
uint32_t k, string_count = 0 ;
memset (&buf, 0, sizeof (buf)) ;
for (k = 0 ; k < SF_MAX_STRINGS ; k++)
{ if (psf->strings.data [k].type == 0)
break ;
if (psf->strings.data [k].flags != location)
continue ;
if ((cptr = psf_get_string (psf, psf->strings.data [k].type)) == NULL)
continue ;
switch (psf->strings.data [k].type)
{ case SF_STR_TITLE :
string_count += put_key_value (&buf, "title", cptr) ;
break ;
case SF_STR_COPYRIGHT :
string_count += put_key_value (&buf, "copyright", cptr) ;
break ;
case SF_STR_SOFTWARE :
string_count += put_key_value (&buf, "software", cptr) ;
break ;
case SF_STR_ARTIST :
string_count += put_key_value (&buf, "artist", cptr) ;
break ;
case SF_STR_COMMENT :
string_count += put_key_value (&buf, "comment", cptr) ;
break ;
case SF_STR_DATE :
string_count += put_key_value (&buf, "date", cptr) ;
break ;
case SF_STR_ALBUM :
string_count += put_key_value (&buf, "album", cptr) ;
break ;
case SF_STR_LICENSE :
string_count += put_key_value (&buf, "license", cptr) ;
break ;
case SF_STR_TRACKNUMBER :
string_count += put_key_value (&buf, "tracknumber", cptr) ;
break ;
case SF_STR_GENRE :
string_count += put_key_value (&buf, "genre", cptr) ;
break ;
default :
break ;
} ;
} ;
if (string_count == 0 || buf.index == 0)
return ;
psf_binheader_writef (psf, "Em84b", info_MARKER, make_size_8 (buf.index + 4), string_count, buf.s, make_size_t (buf.index)) ;
} /* caf_write_strings */
static int
caf_write_tailer (SF_PRIVATE *psf)
{
/* Reset the current header buffer length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
if (psf->bytewidth > 0 && psf->sf.seekable == SF_TRUE)
{ psf->datalength = psf->sf.frames * psf->bytewidth * psf->sf.channels ;
psf->dataend = psf->dataoffset + psf->datalength ;
} ;
if (psf->dataend > 0)
psf_fseek (psf, psf->dataend, SEEK_SET) ;
else
psf->dataend = psf_fseek (psf, 0, SEEK_END) ;
if (psf->dataend & 1)
psf_binheader_writef (psf, "z", 1) ;
if (psf->strings.flags & SF_STR_LOCATE_END)
caf_write_strings (psf, SF_STR_LOCATE_END) ;
/* Write the tailer. */
if (psf->headindex > 0)
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
return 0 ;
} /* caf_write_tailer */
void
test_binheader_writef (void)
{ char buffer [18] ;
SF_PRIVATE sf_private, *psf ;
int k, errors = 0 ;
print_test_name ("Testing binheader_writef") ;
memset (&sf_private, 0, sizeof (sf_private)) ;
psf = &sf_private ;
for (k = 0 ; errors == 0 && k < 10 ; k++)
{ psf_strlcpy (buffer, sizeof (buffer), "abcdefghijklmnop") ;
buffer [k] = 0 ;
psf_binheader_writef (psf, "Ep", BHWp (buffer)) ;
if ((psf->header.indx & 1) != 0)
errors = 1 ;
} ;
free (psf->header.ptr) ;
if (errors)
{ puts ("\nExiting due to errors.\n") ;
exit (1) ;
} ;
puts ("ok") ;
} /* test_log_printf */
void
wavex_write_guid (SF_PRIVATE *psf, const EXT_SUBFORMAT * subformat)
{
psf_binheader_writef (psf, "422b", subformat->esf_field1,
subformat->esf_field2, subformat->esf_field3,
subformat->esf_field4, make_size_t (8)) ;
} /* wavex_write_guid */
static void
nist_write_header (SF_PRIVATE *psf)
{ char *end_str ;
if (psf->endian == SF_ENDIAN_BIG)
end_str = "10" ;
else if (psf->endian == SF_ENDIAN_LITTLE)
end_str = "01" ;
else
end_str = "error" ;
/* Clear the whole header. */
memset (psf->header, 0, sizeof (psf->header)) ;
psf_asciiheader_printf (psf, "NIST_1A\n 1024\n") ;
psf_asciiheader_printf (psf, "channel_count -i %d\n", psf->sf.channels) ;
psf_asciiheader_printf (psf, "sample_rate -i %d\n", psf->sf.samplerate) ;
psf_asciiheader_printf (psf, "sample_n_bytes -i %d\n", psf->bytewidth) ;
psf_asciiheader_printf (psf, "sample_byte_format -s%d %s\n", psf->bytewidth, end_str) ;
psf_asciiheader_printf (psf, "sample_sig_bits -i %d\n", psf->sf.pcmbitwidth) ;
psf_asciiheader_printf (psf, "sample_count -i %d\n", psf->sf.samples) ;
psf_asciiheader_printf (psf, "end_head\n") ;
fseek (psf->file, 0, SEEK_SET) ;
/* Zero fill to dataoffset. */
psf_binheader_writef (psf, "z", NIST_HEADER_LENGTH - psf->headindex) ;
fwrite (psf->header, psf->headindex, 1, psf->file) ;
return ;
} /* nist_write_header */
static int
ircam_write_header (SF_PRIVATE *psf, int calc_length)
{ int encoding ;
float samplerate ;
sf_count_t current ;
current = psf_ftell (psf) ;
calc_length = calc_length ;
/* This also sets psf->endian. */
encoding = get_encoding (psf->sf.format & SF_FORMAT_SUBMASK) ;
if (! encoding)
return SFE_BAD_OPEN_FORMAT ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
samplerate = psf->sf.samplerate ;
if (psf->endian == SF_ENDIAN_BIG)
{ psf_binheader_writef (psf, "Emf", IRCAM_02B_MARKER, samplerate) ;
psf_binheader_writef (psf, "E44", psf->sf.channels, encoding) ;
}
else if (psf->endian == SF_ENDIAN_LITTLE)
{ psf_binheader_writef (psf, "emf", IRCAM_03L_MARKER, samplerate) ;
psf_binheader_writef (psf, "e44", psf->sf.channels, encoding) ;
}
else
return SFE_BAD_OPEN_FORMAT ;
psf_binheader_writef (psf, "z", IRCAM_DATA_OFFSET - psf->headindex) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* ircam_write_header */
static int
wve_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
unsigned datalen ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
/* Write header. */
datalen = psf->datalength ;
psf_binheader_writef (psf, "Emmmm", ALAW_MARKER, SOUN_MARKER, DFIL_MARKER, ESSN_MARKER) ;
psf_binheader_writef (psf, "E2422222", PSION_VERSION, datalen, 0, 0, 0, 0, 0) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->sf.channels != 1)
return SFE_CHANNEL_COUNT ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* wve_write_header */
static int
htk_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
int sample_count, sample_period ;
current = psf_ftell (psf) ;
if (calc_length)
psf->filelength = psf_get_filelen (psf) ;
/* Reset the current header length to zero. */
psf->header.ptr [0] = 0 ;
psf->header.indx = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
if (psf->filelength > 12)
sample_count = (psf->filelength - 12) / 2 ;
else
sample_count = 0 ;
sample_period = 10000000 / psf->sf.samplerate ;
psf_binheader_writef (psf, "E444", sample_count, sample_period, 0x20000) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->header.indx ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* htk_write_header */
static int
wav_gsm610_write_header (SF_PRIVATE *psf)
{ int fmt_size, blockalign, samplesperblock, bytespersec ;
blockalign = GSM610_BLOCKSIZE ;
samplesperblock = GSM610_SAMPLES ;
bytespersec = (psf->sf.samplerate * blockalign) / samplesperblock ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
fseek (psf->file, 0, SEEK_SET) ;
/* RIFF marker, length, WAVE and 'fmt ' markers. */
psf_binheader_writef (psf, "mlmm", RIFF_MARKER, psf->filelength - 8, WAVE_MARKER, fmt_MARKER) ;
/* fmt chunk. */
fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
/* fmt : size, WAV format type, channels. */
psf_binheader_writef (psf, "lww", fmt_size, WAVE_FORMAT_GSM610, psf->sf.channels) ;
/* fmt : samplerate, bytespersec. */
psf_binheader_writef (psf, "ll", psf->sf.samplerate, bytespersec) ;
/* fmt : blockalign, bitwidth, extrabytes, samplesperblock. */
psf_binheader_writef (psf, "wwww", blockalign, 0, 2, samplesperblock) ;
/* Fact chunk : marker, chunk size, samples */
psf_binheader_writef (psf, "mll", fact_MARKER, sizeof (int), psf->sf.samples) ;
/* DATA chunk : marker, datalength. */
psf_binheader_writef (psf, "ml", data_MARKER, psf->datalength) ;
fwrite (psf->header, psf->headindex, 1, psf->file) ;
psf->dataoffset = psf->headindex ;
psf->datalength = (psf->sf.samples / samplesperblock) * samplesperblock ;
if (psf->sf.samples % samplesperblock)
psf->datalength += samplesperblock ;
return 0 ;
} /* wav_gsm610_write_header */
static int
au_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
int encoding, datalength ;
if (psf->pipeoffset > 0)
return 0 ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
} ;
encoding = au_format_to_encoding (SF_CODEC (psf->sf.format)) ;
if (! encoding)
return (psf->error = SFE_BAD_OPEN_FORMAT) ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
/*
** Only attempt to seek if we are not writng to a pipe. If we are
** writing to a pipe we shouldn't be here anyway.
*/
if (psf->is_pipe == SF_FALSE)
psf_fseek (psf, 0, SEEK_SET) ;
/*
** AU format files allow a datalength value of -1 if the datalength
** is not know at the time the header is written.
** Also use this value of -1 if the datalength > 2 gigabytes.
*/
if (psf->datalength < 0 || psf->datalength > 0x7FFFFFFF)
datalength = -1 ;
else
datalength = (int) (psf->datalength & 0x7FFFFFFF) ;
if (psf->endian == SF_ENDIAN_BIG)
{ psf_binheader_writef (psf, "Em4", DOTSND_MARKER, AU_DATA_OFFSET) ;
psf_binheader_writef (psf, "E4444", datalength, encoding, psf->sf.samplerate, psf->sf.channels) ;
}
else if (psf->endian == SF_ENDIAN_LITTLE)
{ psf_binheader_writef (psf, "em4", DNSDOT_MARKER, AU_DATA_OFFSET) ;
psf_binheader_writef (psf, "e4444", datalength, encoding, psf->sf.samplerate, psf->sf.channels) ;
}
else
return (psf->error = SFE_BAD_OPEN_FORMAT) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* au_write_header */
static int
mat5_write_header (SF_PRIVATE *psf, int calc_length)
{ static const char *sr_name = "samplerate\0\0\0\0\0\0\0\0\0\0\0" ;
static const char *wd_name = "wavedata\0" ;
sf_count_t current, datasize ;
int encoding ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf_fseek (psf, 0, SEEK_END) ;
psf->filelength = psf_ftell (psf) ;
psf_fseek (psf, 0, SEEK_SET) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
switch (psf->sf.format & SF_FORMAT_SUBMASK)
{ case SF_FORMAT_PCM_U8 :
encoding = MAT5_TYPE_UCHAR ;
break ;
case SF_FORMAT_PCM_16 :
encoding = MAT5_TYPE_INT16 ;
break ;
case SF_FORMAT_PCM_32 :
encoding = MAT5_TYPE_INT32 ;
break ;
case SF_FORMAT_FLOAT :
encoding = MAT5_TYPE_FLOAT ;
break ;
case SF_FORMAT_DOUBLE :
encoding = MAT5_TYPE_DOUBLE ;
break ;
default :
return SFE_BAD_OPEN_FORMAT ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
psf_binheader_writef (psf, "S", "MATLAB 5.0 MAT-file, written by " PACKAGE "-" VERSION ", ") ;
psf_get_date_str (psf->u.scbuf, sizeof (psf->u.scbuf)) ;
psf_binheader_writef (psf, "jS", -1, psf->u.scbuf) ;
memset (psf->u.scbuf, ' ', 124 - psf->headindex) ;
psf_binheader_writef (psf, "b", psf->u.scbuf, 124 - psf->headindex) ;
psf->rwf_endian = psf->endian ;
if (psf->rwf_endian == SF_ENDIAN_BIG)
psf_binheader_writef (psf, "2b", 0x0100, "MI", 2) ;
else
psf_binheader_writef (psf, "2b", 0x0100, "IM", 2) ;
psf_binheader_writef (psf, "444444", MAT5_TYPE_ARRAY, 64, MAT5_TYPE_UINT32, 8, 6, 0) ;
psf_binheader_writef (psf, "4444", MAT5_TYPE_INT32, 8, 1, 1) ;
psf_binheader_writef (psf, "44b", MAT5_TYPE_SCHAR, strlen (sr_name), sr_name, 16) ;
if (psf->sf.samplerate > 0xFFFF)
psf_binheader_writef (psf, "44", MAT5_TYPE_COMP_UINT, psf->sf.samplerate) ;
else
{ unsigned short samplerate = psf->sf.samplerate ;
psf_binheader_writef (psf, "422", MAT5_TYPE_COMP_USHORT, samplerate, 0) ;
} ;
datasize = psf->sf.frames * psf->sf.channels * psf->bytewidth ;
psf_binheader_writef (psf, "t484444", MAT5_TYPE_ARRAY, datasize + 64, MAT5_TYPE_UINT32, 8, 6, 0) ;
psf_binheader_writef (psf, "t4448", MAT5_TYPE_INT32, 8, psf->sf.channels, psf->sf.frames) ;
psf_binheader_writef (psf, "44b", MAT5_TYPE_SCHAR, strlen (wd_name), wd_name, strlen (wd_name)) ;
datasize = psf->sf.frames * psf->sf.channels * psf->bytewidth ;
if (datasize > 0x7FFFFFFF)
datasize = 0x7FFFFFFF ;
psf_binheader_writef (psf, "t48", encoding, datasize) ;
/* Header construction complete so write it out. */
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* mat5_write_header */
static int
nist_write_header (SF_PRIVATE *psf, int calc_length)
{ char *end_str ;
long samples ;
sf_count_t current ;
current = psf_ftell (psf->filedes) ;
/* Prevent compiler warning. */
calc_length = calc_length ;
if (psf->endian == SF_ENDIAN_BIG)
end_str = "10" ;
else if (psf->endian == SF_ENDIAN_LITTLE)
end_str = "01" ;
else
end_str = "error" ;
/* Clear the whole header. */
memset (psf->header, 0, sizeof (psf->header)) ;
psf->headindex = 0 ;
psf_fseek (psf->filedes, 0, SEEK_SET) ;
psf_asciiheader_printf (psf, "NIST_1A\n 1024\n") ;
psf_asciiheader_printf (psf, "channel_count -i %d\n", psf->sf.channels) ;
psf_asciiheader_printf (psf, "sample_rate -i %d\n", psf->sf.samplerate) ;
switch (psf->sf.format & SF_FORMAT_SUBMASK)
{ case SF_FORMAT_PCM_S8 :
psf_asciiheader_printf (psf, "sample_coding -s3 pcm\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -i 1\n"
"sample_sig_bits -i 8\n") ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
psf_asciiheader_printf (psf, "sample_n_bytes -i %d\n", psf->bytewidth) ;
psf_asciiheader_printf (psf, "sample_sig_bits -i %d\n", psf->bytewidth * 8) ;
psf_asciiheader_printf (psf, "sample_coding -s3 pcm\n"
"sample_byte_format -s%d %s\n", psf->bytewidth, end_str) ;
break ;
case SF_FORMAT_ALAW :
psf_asciiheader_printf (psf, "sample_coding -s4 alaw\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -s1 1\n") ;
break ;
case SF_FORMAT_ULAW :
psf_asciiheader_printf (psf, "sample_coding -s4 ulaw\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -s1 1\n") ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
psf->dataoffset = NIST_HEADER_LENGTH ;
/* Fix this */
samples = psf->sf.frames ;
psf_asciiheader_printf (psf, "sample_count -i %ld\n", samples) ;
psf_asciiheader_printf (psf, "end_head\n") ;
/* Zero fill to dataoffset. */
psf_binheader_writef (psf, "z", NIST_HEADER_LENGTH - psf->headindex) ;
psf_fwrite (psf->header, psf->headindex, 1, psf->filedes) ;
if (current > 0)
psf_fseek (psf->filedes, current, SEEK_SET) ;
return 0 ;
} /* nist_write_header */
static int
w64_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t fmt_size, current ;
size_t fmt_pad = 0 ;
int subformat, add_fact_chunk = SF_FALSE ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
if (psf->bytewidth)
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
/* riff marker, length, wave and 'fmt ' markers. */
psf_binheader_writef (psf, "eh8hh", riff_MARKER16, psf->filelength, wave_MARKER16, fmt_MARKER16) ;
subformat = SF_CODEC (psf->sf.format) ;
switch (subformat)
{ case SF_FORMAT_PCM_U8 :
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : format, channels, samplerate */
psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_PCM, psf->sf.channels, psf->sf.samplerate) ;
/* fmt : bytespersec */
psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
/* fmt : blockalign, bitwidth */
psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
break ;
case SF_FORMAT_FLOAT :
case SF_FORMAT_DOUBLE :
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : format, channels, samplerate */
psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_IEEE_FLOAT, psf->sf.channels, psf->sf.samplerate) ;
/* fmt : bytespersec */
psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
/* fmt : blockalign, bitwidth */
psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
add_fact_chunk = SF_TRUE ;
break ;
case SF_FORMAT_ULAW :
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : format, channels, samplerate */
psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_MULAW, psf->sf.channels, psf->sf.samplerate) ;
/* fmt : bytespersec */
psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
/* fmt : blockalign, bitwidth */
psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, 8) ;
add_fact_chunk = SF_TRUE ;
break ;
case SF_FORMAT_ALAW :
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : format, channels, samplerate */
psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_ALAW, psf->sf.channels, psf->sf.samplerate) ;
/* fmt : bytespersec */
psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
/* fmt : blockalign, bitwidth */
psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, 8) ;
add_fact_chunk = SF_TRUE ;
break ;
/* Lite remove start */
case SF_FORMAT_IMA_ADPCM :
{ int blockalign, framesperblock, bytespersec ;
blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
framesperblock = 2 * (blockalign - 4 * psf->sf.channels) / psf->sf.channels + 1 ;
bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ;
/* fmt chunk. */
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : size, WAV format type, channels. */
psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_IMA_ADPCM, psf->sf.channels) ;
/* fmt : samplerate, bytespersec. */
psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
psf_binheader_writef (psf, "e2222", blockalign, 4, 2, framesperblock) ;
} ;
add_fact_chunk = SF_TRUE ;
break ;
case SF_FORMAT_MS_ADPCM :
{ int blockalign, framesperblock, bytespersec, extrabytes ;
blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
framesperblock = 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ;
bytespersec = (psf->sf.samplerate * blockalign) / framesperblock ;
/* fmt chunk. */
extrabytes = 2 + 2 + MSADPCM_ADAPT_COEFF_COUNT * (2 + 2) ;
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + extrabytes ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : size, W64 format type, channels. */
psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_MS_ADPCM, psf->sf.channels) ;
/* fmt : samplerate, bytespersec. */
psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
psf_binheader_writef (psf, "e22222", blockalign, 4, extrabytes, framesperblock, 7) ;
msadpcm_write_adapt_coeffs (psf) ;
} ;
add_fact_chunk = SF_TRUE ;
break ;
/* Lite remove end */
case SF_FORMAT_GSM610 :
{ int bytespersec ;
bytespersec = (psf->sf.samplerate * WAV_W64_GSM610_BLOCKSIZE) / WAV_W64_GSM610_SAMPLES ;
/* fmt chunk. */
fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
fmt_size += fmt_pad ;
/* fmt : size, WAV format type, channels. */
psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_GSM610, psf->sf.channels) ;
/* fmt : samplerate, bytespersec. */
psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
psf_binheader_writef (psf, "e2222", WAV_W64_GSM610_BLOCKSIZE, 0, 2, WAV_W64_GSM610_SAMPLES) ;
} ;
add_fact_chunk = SF_TRUE ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
/* Pad to 8 bytes with zeros. */
if (fmt_pad > 0)
psf_binheader_writef (psf, "z", fmt_pad) ;
if (add_fact_chunk)
psf_binheader_writef (psf, "eh88", fact_MARKER16, (sf_count_t) (16 + 8 + 8), psf->sf.frames) ;
psf_binheader_writef (psf, "eh8", data_MARKER16, psf->datalength + 24) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* w64_write_header */
static int
nist_write_header (SF_PRIVATE *psf, int calc_length)
{ const char *end_str ;
long samples ;
sf_count_t current ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
if (psf->bytewidth > 0)
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
if (psf->endian == SF_ENDIAN_BIG)
end_str = "10" ;
else if (psf->endian == SF_ENDIAN_LITTLE)
end_str = "01" ;
else
end_str = "error" ;
/* Clear the whole header. */
memset (psf->header.ptr, 0, psf->header.len) ;
psf->header.indx = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
psf_asciiheader_printf (psf, "NIST_1A\n 1024\n") ;
psf_asciiheader_printf (psf, "channel_count -i %d\n", psf->sf.channels) ;
psf_asciiheader_printf (psf, "sample_rate -i %d\n", psf->sf.samplerate) ;
switch (SF_CODEC (psf->sf.format))
{ case SF_FORMAT_PCM_S8 :
psf_asciiheader_printf (psf, "sample_coding -s3 pcm\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -i 1\n"
"sample_sig_bits -i 8\n") ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
psf_asciiheader_printf (psf, "sample_n_bytes -i %d\n", psf->bytewidth) ;
psf_asciiheader_printf (psf, "sample_sig_bits -i %d\n", psf->bytewidth * 8) ;
psf_asciiheader_printf (psf, "sample_coding -s3 pcm\n"
"sample_byte_format -s%d %s\n", psf->bytewidth, end_str) ;
break ;
case SF_FORMAT_ALAW :
psf_asciiheader_printf (psf, "sample_coding -s4 alaw\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -s1 1\n") ;
break ;
case SF_FORMAT_ULAW :
psf_asciiheader_printf (psf, "sample_coding -s4 ulaw\n") ;
psf_asciiheader_printf (psf, "sample_n_bytes -s1 1\n") ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
psf->dataoffset = NIST_HEADER_LENGTH ;
/* Fix this */
samples = psf->sf.frames ;
psf_asciiheader_printf (psf, "sample_count -i %ld\n", samples) ;
psf_asciiheader_printf (psf, "end_head\n") ;
/* Zero fill to dataoffset. */
psf_binheader_writef (psf, "z", BHWz ((size_t) (NIST_HEADER_LENGTH - psf->header.indx))) ;
psf_fwrite (psf->header.ptr, psf->header.indx, 1, psf) ;
if (psf->error)
return psf->error ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* nist_write_header */
static int
voc_write_header (SF_PRIVATE *psf, int calc_length)
{ sf_count_t current ;
int rate_const, subformat ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
subformat = SF_CODEC (psf->sf.format) ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
/* VOC marker and 0x1A byte. */
psf_binheader_writef (psf, "eb1", "Creative Voice File", make_size_t (19), 0x1A) ;
/* Data offset, version and other. */
psf_binheader_writef (psf, "e222", 26, 0x0114, 0x111F) ;
/* Use same logic as SOX.
** If the file is mono 8 bit data, use VOC_SOUND_DATA.
** If the file is mono 16 bit data, use VOC_EXTENED.
** Otherwise use VOC_EXTENED_2.
*/
if (subformat == SF_FORMAT_PCM_U8 && psf->sf.channels == 1)
{ /* samplerate = 1000000 / (256 - rate_const) ; */
rate_const = 256 - 1000000 / psf->sf.samplerate ;
/* First type marker, length, rate_const and compression */
psf_binheader_writef (psf, "e1311", VOC_SOUND_DATA, (int) (psf->datalength + 1), rate_const, 0) ;
}
else if (subformat == SF_FORMAT_PCM_U8 && psf->sf.channels == 2)
{ /* sample_rate = 128000000 / (65536 - rate_short) ; */
rate_const = 65536 - 128000000 / psf->sf.samplerate ;
/* First write the VOC_EXTENDED section
** marker, length, rate_const and compression
*/
psf_binheader_writef (psf, "e13211", VOC_EXTENDED, 4, rate_const, 0, 1) ;
/* samplerate = 1000000 / (256 - rate_const) ; */
rate_const = 256 - 1000000 / psf->sf.samplerate ;
/* Now write the VOC_SOUND_DATA section
** marker, length, rate_const and compression
*/
psf_binheader_writef (psf, "e1311", VOC_SOUND_DATA, (int) (psf->datalength + 1), rate_const, 0) ;
}
else
{ int length ;
if (psf->sf.channels < 1 || psf->sf.channels > 2)
return SFE_CHANNEL_COUNT ;
switch (subformat)
{ case SF_FORMAT_PCM_U8 :
psf->bytewidth = 1 ;
length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
/* Marker, length, sample rate, bitwidth, stereo flag, encoding and fourt zero bytes. */
psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 16, psf->sf.channels, 4, 0) ;
break ;
case SF_FORMAT_PCM_16 :
psf->bytewidth = 2 ;
length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
/* Marker, length, sample rate, bitwidth, stereo flag, encoding and fourt zero bytes. */
psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 16, psf->sf.channels, 4, 0) ;
break ;
case SF_FORMAT_ALAW :
psf->bytewidth = 1 ;
length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 8, psf->sf.channels, 6, 0) ;
break ;
case SF_FORMAT_ULAW :
psf->bytewidth = 1 ;
length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 8, psf->sf.channels, 7, 0) ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
} ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* voc_write_header */
static int
caf_write_header (SF_PRIVATE *psf, int calc_length)
{ BUF_UNION ubuf ;
CAF_PRIVATE *pcaf ;
DESC_CHUNK desc ;
sf_count_t current, free_len ;
uint32_t uk ;
int subformat, append_free_block = SF_TRUE ;
if ((pcaf = psf->container_data) == NULL)
return SFE_INTERNAL ;
memset (&desc, 0, sizeof (desc)) ;
current = psf_ftell (psf) ;
if (calc_length)
{ psf->filelength = psf_get_filelen (psf) ;
psf->datalength = psf->filelength - psf->dataoffset ;
if (psf->dataend)
psf->datalength -= psf->filelength - psf->dataend ;
if (psf->bytewidth > 0)
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
} ;
/* Reset the current header length to zero. */
psf->header [0] = 0 ;
psf->headindex = 0 ;
psf_fseek (psf, 0, SEEK_SET) ;
/* 'caff' marker, version and flags. */
psf_binheader_writef (psf, "Em22", caff_MARKER, 1, 0) ;
/* 'desc' marker and chunk size. */
psf_binheader_writef (psf, "Em8", desc_MARKER, (sf_count_t) (sizeof (DESC_CHUNK))) ;
double64_be_write (1.0 * psf->sf.samplerate, ubuf.ucbuf) ;
psf_binheader_writef (psf, "b", ubuf.ucbuf, make_size_t (8)) ;
subformat = SF_CODEC (psf->sf.format) ;
psf->endian = SF_ENDIAN (psf->sf.format) ;
if (CPU_IS_BIG_ENDIAN && (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU))
psf->endian = SF_ENDIAN_BIG ;
else if (CPU_IS_LITTLE_ENDIAN && (psf->endian == SF_ENDIAN_LITTLE || psf->endian == SF_ENDIAN_CPU))
psf->endian = SF_ENDIAN_LITTLE ;
if (psf->endian == SF_ENDIAN_LITTLE)
desc.fmt_flags = 2 ;
else
psf->endian = SF_ENDIAN_BIG ;
/* initial section (same for all, it appears) */
switch (subformat)
{ case SF_FORMAT_PCM_S8 :
desc.fmt_id = lpcm_MARKER ;
psf->bytewidth = 1 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 8 ;
break ;
case SF_FORMAT_PCM_16 :
desc.fmt_id = lpcm_MARKER ;
psf->bytewidth = 2 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 16 ;
break ;
case SF_FORMAT_PCM_24 :
psf->bytewidth = 3 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 24 ;
desc.fmt_id = lpcm_MARKER ;
break ;
case SF_FORMAT_PCM_32 :
desc.fmt_id = lpcm_MARKER ;
psf->bytewidth = 4 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 32 ;
break ;
case SF_FORMAT_FLOAT :
desc.fmt_id = lpcm_MARKER ;
desc.fmt_flags |= 1 ;
psf->bytewidth = 4 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 32 ;
break ;
case SF_FORMAT_DOUBLE :
desc.fmt_id = lpcm_MARKER ;
desc.fmt_flags |= 1 ;
psf->bytewidth = 8 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 64 ;
break ;
case SF_FORMAT_ALAW :
desc.fmt_id = alaw_MARKER ;
psf->bytewidth = 1 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 8 ;
break ;
case SF_FORMAT_ULAW :
desc.fmt_id = ulaw_MARKER ;
psf->bytewidth = 1 ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.frames_per_packet = 1 ;
desc.channels_per_frame = psf->sf.channels ;
desc.bits_per_chan = 8 ;
break ;
case SF_FORMAT_ALAC_16 :
case SF_FORMAT_ALAC_20 :
case SF_FORMAT_ALAC_24 :
case SF_FORMAT_ALAC_32 :
desc.fmt_id = alac_MARKER ;
desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
desc.channels_per_frame = psf->sf.channels ;
alac_get_desc_chunk_items (subformat, &desc.fmt_flags, &desc.frames_per_packet) ;
append_free_block = SF_FALSE ;
break ;
default :
return SFE_UNIMPLEMENTED ;
} ;
psf_binheader_writef (psf, "mE44444", desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.frames_per_packet, desc.channels_per_frame, desc.bits_per_chan) ;
caf_write_strings (psf, SF_STR_LOCATE_START) ;
if (psf->peak_info != NULL)
{ int k ;
psf_binheader_writef (psf, "Em84", peak_MARKER, (sf_count_t) CAF_PEAK_CHUNK_SIZE (psf->sf.channels), psf->peak_info->edit_number) ;
for (k = 0 ; k < psf->sf.channels ; k++)
psf_binheader_writef (psf, "Ef8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
} ;
if (psf->channel_map && pcaf->chanmap_tag)
psf_binheader_writef (psf, "Em8444", chan_MARKER, (sf_count_t) 12, pcaf->chanmap_tag, 0, 0) ;
/* Write custom headers. */
for (uk = 0 ; uk < psf->wchunks.used ; uk++)
psf_binheader_writef (psf, "m44b", (int) psf->wchunks.chunks [uk].mark32, 0, psf->wchunks.chunks [uk].len, psf->wchunks.chunks [uk].data, make_size_t (psf->wchunks.chunks [uk].len)) ;
if (append_free_block)
{ /* Add free chunk so that the actual audio data starts at a multiple 0x1000. */
free_len = 0x1000 - psf->headindex - 16 - 12 ;
while (free_len < 0)
free_len += 0x1000 ;
psf_binheader_writef (psf, "Em8z", free_MARKER, free_len, (int) free_len) ;
} ;
psf_binheader_writef (psf, "Em84", data_MARKER, psf->datalength + 4, 0) ;
psf_fwrite (psf->header, psf->headindex, 1, psf) ;
if (psf->error)
return psf->error ;
psf->dataoffset = psf->headindex ;
if (current < psf->dataoffset)
psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
else if (current > 0)
psf_fseek (psf, current, SEEK_SET) ;
return psf->error ;
} /* caf_write_header */