Merge branch 'master' into 0.11
[platform/upstream/gst-plugins-good.git] / sys / oss / common.h
1 /* GStreamer
2  * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3  *               2000,2005 Wim Taymans <wim@fluendo.com>
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 #define SET_PARAM(_oss, _name, _val, _detail)   \
22 G_STMT_START {                                  \
23   int _tmp = _val;                              \
24   if (ioctl(_oss->fd, _name, &_tmp) == -1) {    \
25     GST_ELEMENT_ERROR (_oss, RESOURCE, SETTINGS,\
26         (NULL),                                 \
27         ("Unable to set param " _detail ": %s", \
28                    g_strerror (errno)));        \
29     return FALSE;                               \
30   }                                             \
31   GST_DEBUG_OBJECT(_oss, _detail " %d", _tmp);  \
32 } G_STMT_END
33
34 #define GET_PARAM(_oss, _name, _val, _detail)   \
35 G_STMT_START {                                  \
36   if (ioctl(oss->fd, _name, _val) == -1) {      \
37     GST_ELEMENT_ERROR (oss, RESOURCE, SETTINGS, \
38         (NULL),                                 \
39         ("Unable to get param " _detail ": %s", \
40                    g_strerror (errno)));        \
41     return FALSE;                               \
42   }                                             \
43 } G_STMT_END