/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 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

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public

    License along with this library; if not, write to the Free

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

/* Allow access to a raw mixing buffer */

#ifndef _SDL_lowaudio_h

#define _SDL_lowaudio_h

#include "../SDL_sysaudio.h"

/* Hidden "this" pointer for the video functions */

#define _THIS	SDL_AudioDevice *this

#define NUM_BUFFERS 2

struct SharedMem {

    HWAVEOUT sound;

    WAVEHDR wHdr[NUM_BUFFERS];

    PCMWAVEFORMAT wFmt;

};

struct SDL_PrivateAudioData {

    Uint8 *mixbuf;          /* The raw allocated mixing buffer */

    struct SharedMem *shm;

    int next_buffer;

};

#define shm			(this->hidden->shm)

#define mixbuf			(this->hidden->mixbuf)

#define next_buffer		(this->hidden->next_buffer)

/* Old variable names */

#endif /* _SDL_lowaudio_h */