/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com

*/

#ifdef SAVE_RCSID

static char rcsid =

"@(#) $Id$";

#endif

#ifndef _SDL_lowaudio_h

#define _SDL_lowaudio_h

#include "SDL_sysaudio.h"

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

#define _THIS SDL_AudioDevice *this

struct SDL_PrivateAudioData {

/* The file descriptor for the audio device */

int audio_fd;

Uint16 audio_fmt; /* The app audio format */

Uint8 *mixbuf; /* The app mixing buffer */

int ulaw_only; /* Flag -- does hardware only output U-law? */

Uint8 *ulaw_buf; /* The U-law mixing buffer */

Sint32 written; /* The number of samples written */

int fragsize; /* The audio fragment size in samples */

int frequency; /* The audio frequency in KHz */

};

/* Old variable names */

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

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

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

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

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

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

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

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

#endif /* _SDL_lowaudio_h */