/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2006 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#ifndef _SDL_lowaudio_h
#define _SDL_lowaudio_h

#include "SDL_sysaudio.h"

#define INCL_TYPES
#define INCL_DOSSEMAPHORES
#define INCL_DOSRESOURCES
#define INCL_DOSMISC
#define INCL_DOSERRORS

#define INCL_OS2MM
#define INCL_MMIOOS2
#define INCL_MCIOS2
#include <os2.h>
#include <os2me.h>     // DART stuff and MMIO stuff

/* Hidden "this" pointer for the audio functions */
#define _THIS	SDL_AudioDevice *_this

/* The DirectSound objects */
struct SDL_PrivateAudioData
{
  int iCurrDeviceOrd;
  int iCurrFreq;
  int iCurrBits;
  int iCurrChannels;
  int iCurrNumBufs;
  int iCurrBufSize;

  int iLastPlayedBuf;
  int iNextFreeBuffer;

  MCI_BUFFER_PARMS BufferParms;     // Sound buffer parameters
  MCI_MIX_BUFFER *pMixBuffers;      // Sound buffers
  MCI_MIXSETUP_PARMS MixSetupParms; // Mixer setup parameters
  HEV hevAudioBufferPlayed;         // Event semaphore to indicate that an audio buffer has been played by DART
};

#endif /* _SDL_lowaudio_h */