screensaver.c
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上传日期:2009-03-27
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文件大小:3k
- /*****************************************************************************
- * screensaver.c : disable screen savers when VLC is playing
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: screensaver.c 7125 2004-03-21 19:45:42Z hartman $
- *
- * Authors: Sam Hocevar <sam@zoy.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <stdlib.h>
- #include <vlc/vlc.h>
- #include <vlc/intf.h>
- #include <vlc/aout.h>
- #include <vlc/vout.h>
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static int Activate ( vlc_object_t * );
- static void Run ( intf_thread_t *p_intf );
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- vlc_module_begin();
- set_description( _("X Screensaver disabler") );
- set_capability( "interface", 0 );
- set_callbacks( Activate, NULL );
- vlc_module_end();
- /*****************************************************************************
- * Activate: initialize and create stuff
- *****************************************************************************/
- static int Activate( vlc_object_t *p_this )
- {
- intf_thread_t *p_intf = (intf_thread_t*)p_this;
- p_intf->pf_run = Run;
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Run: main thread
- *****************************************************************************
- * This part of the module is in a separate thread so that we do not have
- * too much system() overhead.
- *****************************************************************************/
- static void Run( intf_thread_t *p_intf )
- {
- int i_lastcall = 0;
- while( !p_intf->b_die )
- {
- msleep( 100000 );
- /* Check screensaver every 30 seconds */
- if( ++i_lastcall > 300 )
- {
- vlc_object_t *p_vout;
- p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
- /* If there is a video output, disable xscreensaver */
- if( p_vout )
- {
- vlc_object_release( p_vout );
- /* http://www.jwz.org/xscreensaver/faq.html#dvd */
- system( "xscreensaver-command -deactivate >&- 2>&- &" );
- /* FIXME: add support for other screensavers */
- }
- i_lastcall = 0;
- }
- }
- }