interpretor/libsndfile-1.0.25/src/raw.c

   1 /*
   2 ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
   3 **
   4 ** This program is free software; you can redistribute it and/or modify
   5 ** it under the terms of the GNU Lesser General Public License as published by
   6 ** the Free Software Foundation; either version 2.1 of the License, or
   7 ** (at your option) any later version.
   8 **
   9 ** This program is distributed in the hope that it will be useful,
  10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 ** GNU Lesser General Public License for more details.
  13 **
  14 ** You should have received a copy of the GNU Lesser General Public License
  15 ** along with this program; if not, write to the Free Software
  16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 */
  18
  19 #include        "sfconfig.h"
  20
  21 #include        <stdio.h>
  22
  23 #include        "sndfile.h"
  24 #include        "common.h"
  25
  26 /*------------------------------------------------------------------------------
  27 ** Public function.
  28 */
  29
  30 int
  31 raw_open        (SF_PRIVATE *psf)
  32 {       int     subformat, error = SFE_NO_ERROR ;
  33
  34         subformat = SF_CODEC (psf->sf.format) ;
  35
  36         psf->endian = SF_ENDIAN (psf->sf.format) ;
  37
  38         if (CPU_IS_BIG_ENDIAN && (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU))
  39                 psf->endian = SF_ENDIAN_BIG ;
  40         else if (CPU_IS_LITTLE_ENDIAN && (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU))
  41                 psf->endian = SF_ENDIAN_LITTLE ;
  42
  43         psf->blockwidth = psf->bytewidth * psf->sf.channels ;
  44         psf->dataoffset = 0 ;
  45         psf->datalength = psf->filelength ;
  46
  47         switch (subformat)
  48         {       case SF_FORMAT_PCM_S8 :
  49                                 error = pcm_init (psf) ;
  50                                 break ;
  51
  52                 case SF_FORMAT_PCM_U8 :
  53                                 error = pcm_init (psf) ;
  54                                 break ;
  55
  56                 case SF_FORMAT_PCM_16 :
  57                 case SF_FORMAT_PCM_24 :
  58                 case SF_FORMAT_PCM_32 :
  59                                 error = pcm_init (psf) ;
  60                                 break ;
  61
  62                 case SF_FORMAT_ULAW :
  63                                 error = ulaw_init (psf) ;
  64                                 break ;
  65
  66                 case SF_FORMAT_ALAW :
  67                                 error = alaw_init (psf) ;
  68                                 break ;
  69
  70                 case SF_FORMAT_GSM610 :
  71                                 error = gsm610_init (psf) ;
  72                                 break ;
  73
  74                 /* Lite remove start */
  75                 case SF_FORMAT_FLOAT :
  76                                 error = float32_init (psf) ;
  77                                 break ;
  78
  79                 case SF_FORMAT_DOUBLE :
  80                                 error = double64_init (psf) ;
  81                                 break ;
  82
  83                 case SF_FORMAT_DWVW_12 :
  84                                 error = dwvw_init (psf, 12) ;
  85                                 break ;
  86
  87                 case SF_FORMAT_DWVW_16 :
  88                                 error = dwvw_init (psf, 16) ;
  89                                 break ;
  90
  91                 case SF_FORMAT_DWVW_24 :
  92                                 error = dwvw_init (psf, 24) ;
  93                                 break ;
  94
  95                 case SF_FORMAT_VOX_ADPCM :
  96                                 error = vox_adpcm_init (psf) ;
  97                                 break ;
  98                 /* Lite remove end */
  99
 100                 default : return SFE_BAD_OPEN_FORMAT ;
 101                 } ;
 102
 103         return error ;
 104 } /* raw_open */