/*

     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

 */

 /* 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 */