libaudiofile/aupvlist.h

   1 /*
   2         Audio File Library
   3         Copyright (C) 1998-2000, Michael Pruett <michael@68k.org>
   4
   5         This library is free software; you can redistribute it and/or
   6         modify it under the terms of the GNU Library General Public
   7         License as published by the Free Software Foundation; either
   8         version 2 of the License, or (at your option) any later version.
   9
  10         This library is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13         Library General Public License for more details.
  14
  15         You should have received a copy of the GNU Library General Public
  16         License along with this library; if not, write to the
  17         Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18         Boston, MA  02111-1307  USA.
  19 */
  20
  21 /*
  22         aupvlist.h
  23
  24         This file contains the interface to the parameter value list data
  25         structures and routines.
  26 */
  27
  28 #ifndef AUPVLIST_H
  29 #define AUPVLIST_H
  30
  31 #ifdef __cplusplus
  32 extern "C"
  33 {
  34 #endif /* __cplusplus */
  35
  36 enum
  37 {
  38         AU_PVTYPE_LONG = 1,
  39         AU_PVTYPE_DOUBLE = 2,
  40         AU_PVTYPE_PTR = 3
  41 };
  42
  43 typedef struct _AUpvlist *AUpvlist;
  44
  45 #define AU_NULL_PVLIST ((struct _AUpvlist *) 0)
  46
  47 AUpvlist AUpvnew (int maxItems);
  48 int AUpvgetmaxitems (AUpvlist);
  49 int AUpvfree (AUpvlist);
  50 int AUpvsetparam (AUpvlist, int item, int param);
  51 int AUpvsetvaltype (AUpvlist, int item, int type);
  52 int AUpvsetval (AUpvlist, int item, void *val);
  53 int AUpvgetparam (AUpvlist, int item, int *param);
  54 int AUpvgetvaltype (AUpvlist, int item, int *type);
  55 int AUpvgetval (AUpvlist, int item, void *val);
  56
  57 #ifdef __cplusplus
  58 }
  59 #endif /* __cplusplus */
  60
  61 #endif /* AUPVLIST_H */