Mercurial > sdl-ios-xcode

annotate src/timer/SDL_timer_c.h @ 3798:c8b3d3d13ed1 SDL-ryan-multiple-audio-device

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Audio bootstraps can now specify that a driver is only to be used if explicitly requested (for things like the "disk" driver that is always available but you would never want to default to using). Trimmed out code that can be handled by stubs in the core. The "dummy" driver is pretty damned small now. :)
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 04 Oct 2006 21:27:53 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* Useful functions and variables from SDL_timer.c */
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25 #include "SDL_timer.h"
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26
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27 #define ROUND_RESOLUTION(X) \
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28 (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
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29
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30 extern int SDL_timer_started;
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31 extern int SDL_timer_running;
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32
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33 /* Data to handle a single periodic alarm */
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34 extern Uint32 SDL_alarm_interval;
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35 extern SDL_TimerCallback SDL_alarm_callback;
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36
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37 /* Set whether or not the timer should use a thread.
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38 This should be called while the timer subsystem is running.
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39 */
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40 extern int SDL_SetTimerThreaded(int value);
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41
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42 extern int SDL_TimerInit(void);
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43 extern void SDL_TimerQuit(void);
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44
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45 /* This function is called from the SDL event thread if it is available */
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46 extern void SDL_ThreadedTimerCheck(void);
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47 /* vi: set ts=4 sw=4 expandtab: */