static int
w64_close (SF_PRIVATE *psf)
{ if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
w64_write_header (psf, SF_TRUE) ;
return 0 ;
} /* w64_close */
static int
w64_close (SF_PRIVATE *psf)
{
if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
{ /* Now we know for certain the length of the file we can
* re-write correct values for the riff and data chunks.
*/
psf_fseek (psf->filedes, 0, SEEK_END) ;
psf->dataend = psf_ftell (psf->filedes) ;
psf_fseek (psf->filedes, 0, SEEK_END) ;
psf->filelength = psf_ftell (psf->filedes) ;
psf_fseek (psf->filedes, 0, SEEK_SET) ;
psf->datalength = psf->filelength - psf->dataoffset - (psf->filelength - psf->dataend) ;
psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
w64_write_header (psf, SF_FALSE) ;
} ;
return 0 ;
} /* w64_close */
int
w64_open (SF_PRIVATE *psf)
{ WAV_PRIVATE * wpriv ;
int subformat, error, blockalign = 0, framesperblock = 0 ;
if ((wpriv = calloc (1, sizeof (WAV_PRIVATE))) == NULL)
return SFE_MALLOC_FAILED ;
psf->container_data = wpriv ;
if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR &&psf->filelength > 0))
{ if ((error = w64_read_header (psf, &blockalign, &framesperblock)))
return error ;
} ;
if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_W64)
return SFE_BAD_OPEN_FORMAT ;
subformat = SF_CODEC (psf->sf.format) ;
if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
{ if (psf->is_pipe)
return SFE_NO_PIPE_WRITE ;
psf->endian = SF_ENDIAN_LITTLE ; /* All W64 files are little endian. */
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM)
{ blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
framesperblock = -1 ;
/*
** At this point we don't know the file length so set it stupidly high, but not
** so high that it triggers undefined behaviour whan something is added to it.
*/
psf->filelength = SF_COUNT_MAX - 10000 ;
psf->datalength = psf->filelength ;
if (psf->sf.frames <= 0)
psf->sf.frames = (psf->blockwidth) ? psf->filelength / psf->blockwidth : psf->filelength ;
} ;
if ((error = w64_write_header (psf, SF_FALSE)))
return error ;
psf->write_header = w64_write_header ;
} ;
psf->container_close = w64_close ;
switch (subformat)
{ case SF_FORMAT_PCM_U8 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_ULAW :
error = ulaw_init (psf) ;
break ;
case SF_FORMAT_ALAW :
error = alaw_init (psf) ;
break ;
/* Lite remove start */
case SF_FORMAT_FLOAT :
error = float32_init (psf) ;
break ;
case SF_FORMAT_DOUBLE :
error = double64_init (psf) ;
break ;
case SF_FORMAT_IMA_ADPCM :
error = wav_w64_ima_init (psf, blockalign, framesperblock) ;
break ;
case SF_FORMAT_MS_ADPCM :
error = wav_w64_msadpcm_init (psf, blockalign, framesperblock) ;
break ;
/* Lite remove end */
case SF_FORMAT_GSM610 :
error = gsm610_init (psf) ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
return error ;
} /* w64_open */
int
w64_open (SF_PRIVATE *psf)
{ int subformat, error, blockalign = 0, framesperblock = 0 ;
if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR &&psf->filelength > 0))
{ if ((error = w64_read_header (psf, &blockalign, &framesperblock)))
return error ;
};
if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_W64)
return SFE_BAD_OPEN_FORMAT ;
subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
{ psf->endian = SF_ENDIAN_LITTLE ; /* All W64 files are little endian. */
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM)
{ blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
framesperblock = -1 ;
/* FIXME : This block must go */
SF_COUNT_MAX_POSITIVE (psf->filelength) ;
psf->datalength = psf->filelength ;
if (psf->sf.frames <= 0)
psf->sf.frames = (psf->blockwidth) ? psf->filelength / psf->blockwidth : psf->filelength ;
/* EMXIF : This block must go */
} ;
if ((error = w64_write_header (psf, SF_FALSE)))
return error ;
psf->write_header = w64_write_header ;
} ;
psf->close = w64_close ;
switch (subformat)
{ case SF_FORMAT_PCM_U8 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_PCM_24 :
case SF_FORMAT_PCM_32 :
error = pcm_init (psf) ;
break ;
case SF_FORMAT_FLOAT :
error = float32_init (psf) ;
break ;
case SF_FORMAT_DOUBLE :
error = double64_init (psf) ;
break ;
case SF_FORMAT_ULAW :
error = ulaw_init (psf) ;
break ;
case SF_FORMAT_ALAW :
error = alaw_init (psf) ;
break ;
case SF_FORMAT_IMA_ADPCM :
error = wav_w64_ima_init (psf, blockalign, framesperblock) ;
break ;
case SF_FORMAT_MS_ADPCM :
error = wav_w64_msadpcm_init (psf, blockalign, framesperblock) ;
break ;
case SF_FORMAT_GSM610 :
error = gsm610_init (psf) ;
break ;
default : return SFE_UNIMPLEMENTED ;
} ;
return error ;
} /* w64_open */