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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2012 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 (at) 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