gstreamer/sys/oss/common.h

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000,2005 Wim Taymans <wim@fluendo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#define SET_PARAM(_oss, _name, _val, _detail) \
G_STMT_START { \
int _tmp = _val; \
if (ioctl(_oss->fd, _name, &_tmp) == -1) { \
GST_ELEMENT_ERROR (_oss, RESOURCE, SETTINGS,\
(NULL), \
("Unable to set param " _detail ": %s", \
g_strerror (errno))); \
return FALSE; \
} \
GST_DEBUG_OBJECT(_oss, _detail " %d", _tmp); \
} G_STMT_END
#define GET_PARAM(_oss, _name, _val, _detail) \
G_STMT_START { \
if (ioctl(oss->fd, _name, _val) == -1) { \
GST_ELEMENT_ERROR (oss, RESOURCE, SETTINGS, \
(NULL), \
("Unable to get param " _detail ": %s", \
g_strerror (errno))); \
return FALSE; \
} \
} G_STMT_END