int raw_open_write (SF_PRIVATE *psf)
{ unsigned int subformat, big_endian_file ;
int error ;
subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
if (subformat == SF_FORMAT_PCM_BE)
big_endian_file = 1 ;
else if (subformat == SF_FORMAT_PCM_LE)
big_endian_file = 0 ;
else if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_U8)
big_endian_file = 0 ;
else
return SFE_BAD_OPEN_FORMAT ;
psf->bytewidth = BITWIDTH2BYTES (psf->sf.pcmbitwidth) ;
psf->endian = big_endian_file ? SF_ENDIAN_BIG : SF_ENDIAN_LITTLE ;
psf->sf.seekable = SF_TRUE ;
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
psf->dataoffset = 0 ;
psf->datalength = psf->blockwidth * psf->sf.samples ;
psf->filelength = psf->datalength ;
psf->error = 0 ;
if (subformat == SF_FORMAT_PCM_S8)
psf->chars = SF_CHARS_SIGNED ;
else if (subformat == SF_FORMAT_PCM_U8)
psf->chars = SF_CHARS_UNSIGNED ;
if ((error = pcm_write_init (psf)))
return error ;
return 0 ;
} /* raw_open_write */
int
nist_open_write (SF_PRIVATE *psf)
{ int subformat, error ;
if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_NIST)
return SFE_BAD_OPEN_FORMAT ;
subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
if (subformat == SF_FORMAT_PCM_BE)
psf->endian = SF_ENDIAN_BIG ;
else if (subformat == SF_FORMAT_PCM_LE)
psf->endian = SF_ENDIAN_LITTLE ;
else if (CPU_IS_BIG_ENDIAN && subformat == SF_FORMAT_PCM)
psf->endian = SF_ENDIAN_BIG ;
else if (CPU_IS_LITTLE_ENDIAN && subformat == SF_FORMAT_PCM)
psf->endian = SF_ENDIAN_LITTLE ;
else
return SFE_BAD_OPEN_FORMAT ;
psf->bytewidth = BITWIDTH2BYTES (psf->sf.pcmbitwidth) ;
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
psf->dataoffset = NIST_HEADER_LENGTH ;
psf->datalength = psf->blockwidth * psf->sf.samples ;
psf->filelength = psf->datalength + psf->dataoffset ;
psf->error = 0 ;
if ((error = pcm_write_init (psf)))
return error ;
psf->close = (func_close) nist_close ;
psf->write_header = (func_wr_hdr) nist_write_header ;
nist_write_header (psf) ;
return 0 ;
} /* nist_open_write */
