SDL_timer_c.h
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上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998 Sam Lantinga
- 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
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- 5635-34 Springhouse Dr.
- Pleasanton, CA 94588 (USA)
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_timer_c.h,v 1.4 2002/04/22 21:38:03 wmay Exp $";
- #endif
- /* Useful functions and variables from SDL_timer.c */
- #include "SDL_timer.h"
- #define ROUND_RESOLUTION(X)
- (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
- extern int SDL_timer_started;
- extern int SDL_timer_running;
- /* Data to handle a single periodic alarm */
- extern Uint32 SDL_alarm_interval;
- extern SDL_TimerCallback SDL_alarm_callback;
- /* Set whether or not the timer should use a thread.
- This should be called while the timer subsystem is running.
- */
- extern int SDL_SetTimerThreaded(int value);
- extern int SDL_TimerInit(void);
- extern void SDL_TimerQuit(void);
- /* This function is called from the SDL event thread if it is available */
- extern void SDL_ThreadedTimerCheck(void);