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1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2006 Sam Lantinga
4 
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9 
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     Lesser General Public License for more details.
14 
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18 
19     Sam Lantinga
20     slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23 
24 #ifndef _SDL_lowaudio_h
25 #define _SDL_lowaudio_h
26 
27 #define INCL_TYPES
28 #define INCL_DOSSEMAPHORES
29 #define INCL_DOSRESOURCES
30 #define INCL_DOSMISC
31 #define INCL_DOSERRORS
32 
33 #define INCL_OS2MM
34 #define INCL_MMIOOS2
35 #define INCL_MCIOS2
36 #include <os2.h>
37 #include <os2me.h>     // DART stuff and MMIO stuff
38 
39 #include "../SDL_sysaudio.h"
40 
41 /* Hidden "this" pointer for the audio functions */
42 #define _THIS	SDL_AudioDevice *_this
43 
44 /* The DirectSound objects */
45 struct SDL_PrivateAudioData
46 {
47   int iCurrDeviceOrd;
48   int iCurrFreq;
49   int iCurrBits;
50   int iCurrChannels;
51   int iCurrNumBufs;
52   int iCurrBufSize;
53 
54   int iLastPlayedBuf;
55   int iNextFreeBuffer;
56 
57   MCI_BUFFER_PARMS BufferParms;     // Sound buffer parameters
58   MCI_MIX_BUFFER *pMixBuffers;      // Sound buffers
59   MCI_MIXSETUP_PARMS MixSetupParms; // Mixer setup parameters
60   HEV hevAudioBufferPlayed;         // Event semaphore to indicate that an audio buffer has been played by DART
61 };
62 
63 #endif /* _SDL_lowaudio_h */
64