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1190
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_lowaudio_h
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29 #define _SDL_lowaudio_h
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30
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31 #include "SDL_sysaudio.h"
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32
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33 #define INCL_TYPES
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34 #define INCL_DOSSEMAPHORES
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35 #define INCL_DOSRESOURCES
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36 #define INCL_DOSMISC
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37 #define INCL_DOSERRORS
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38
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39 #define INCL_OS2MM
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40 #define INCL_MMIOOS2
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41 #define INCL_MCIOS2
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42 #include <os2.h>
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43 #include <os2me.h> // DART stuff and MMIO stuff
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44
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45 /* Hidden "this" pointer for the audio functions */
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46 #define _THIS SDL_AudioDevice *_this
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47
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48 /* The DirectSound objects */
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49 struct SDL_PrivateAudioData
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50 {
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51 int iCurrDeviceOrd;
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52 int iCurrFreq;
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53 int iCurrBits;
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54 int iCurrChannels;
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55 int iCurrNumBufs;
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56 int iCurrBufSize;
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57
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58 int iLastPlayedBuf;
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59 int iNextFreeBuffer;
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60
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61 MCI_BUFFER_PARMS BufferParms; // Sound buffer parameters
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62 MCI_MIX_BUFFER *pMixBuffers; // Sound buffers
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63 MCI_MIXSETUP_PARMS MixSetupParms; // Mixer setup parameters
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64 HEV hevAudioBufferPlayed; // Event semaphore to indicate that an audio buffer has been played by DART
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65 };
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66
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67 #endif /* _SDL_lowaudio_h */
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