static int
caf_close (SF_PRIVATE *psf)
{
if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
caf_write_header (psf, SF_TRUE) ;
return 0 ;
} /* caf_close */
int
caf_open (SF_PRIVATE *psf)
{ CAF_PRIVATE * pcaf ;
int subformat, format, error = 0 ;
if ((psf->container_data = calloc (1, sizeof (CAF_PRIVATE))) == NULL)
return SFE_MALLOC_FAILED ;
pcaf = psf->container_data ;
if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
{ if ((error = caf_read_header (psf)))
return error ;
psf->next_chunk_iterator = caf_next_chunk_iterator ;
psf->get_chunk_size = caf_get_chunk_size ;
psf->get_chunk_data = caf_get_chunk_data ;
} ;
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 ;
format = SF_CONTAINER (psf->sf.format) ;
if (format != SF_FORMAT_CAF)
return SFE_BAD_OPEN_FORMAT ;
psf->blockwidth = psf->bytewidth * psf->sf.channels ;
if (psf->file.mode != SFM_RDWR || psf->filelength < 44)
{ psf->filelength = 0 ;
psf->datalength = 0 ;
psf->dataoffset = 0 ;
psf->sf.frames = 0 ;
} ;
psf->strings.flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ;
/*
** By default, add the peak chunk to floating point files. Default behaviour
** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE).
*/
if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE))
{ if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
return SFE_MALLOC_FAILED ;
psf->peak_info->peak_loc = SF_PEAK_START ;
} ;
if ((error = caf_write_header (psf, SF_FALSE)) != 0)
return error ;
psf->write_header = caf_write_header ;
psf->set_chunk = caf_set_chunk ;
} ;
psf->container_close = caf_close ;
psf->command = caf_command ;
switch (subformat)
{ case SF_FORMAT_PCM_S8 :
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_ALAC_16 :
case SF_FORMAT_ALAC_20 :
case SF_FORMAT_ALAC_24 :
case SF_FORMAT_ALAC_32 :
if (psf->file.mode == SFM_READ)
/* Only pass the ALAC_DECODER_INFO in read mode. */
error = alac_init (psf, &pcaf->alac) ;
else
error = alac_init (psf, NULL) ;
break ;
/* Lite remove end */
default :
return SFE_UNSUPPORTED_ENCODING ;
} ;
return error ;
} /* caf_open */
