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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 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@devolution.com
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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 "directx.h"
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32
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33 #include "SDL_sysaudio.h"
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34
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35 /* Hidden "this" pointer for the video functions */
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36 #define _THIS SDL_AudioDevice *this
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37
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38 /* The DirectSound objects */
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39 struct SDL_PrivateAudioData {
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40 LPDIRECTSOUND sound;
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41 LPDIRECTSOUNDBUFFER mixbuf;
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42 int NUM_BUFFERS;
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43 int mixlen, silence;
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44 DWORD playing;
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45 Uint8 *locked_buf;
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46 HANDLE audio_event;
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47 };
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48
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49 /* Old variable names */
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50 #define sound (this->hidden->sound)
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51 #define mixbuf (this->hidden->mixbuf)
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52 #define NUM_BUFFERS (this->hidden->NUM_BUFFERS)
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53 #define mixlen (this->hidden->mixlen)
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54 #define silence (this->hidden->silence)
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55 #define playing (this->hidden->playing)
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56 #define locked_buf (this->hidden->locked_buf)
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57 #define audio_event (this->hidden->audio_event)
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58
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59 #endif /* _SDL_lowaudio_h */
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