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 */