/*

     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

 */

 #ifdef SAVE_RCSID

 static char rcsid =

  "@(#) $Id$";

 #endif

 #ifndef _SDL_artscaudio_h

 #define _SDL_artscaudio_h

 #include <artsc.h>

 #include "SDL_sysaudio.h"

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

 #define _THIS	SDL_AudioDevice *this

 struct SDL_PrivateAudioData {

 	/* The stream descriptor for the audio device */

 	arts_stream_t stream;

 	/* The parent process id, to detect when application quits */

 	pid_t parent;

 	/* Raw mixing buffer */

 	Uint8 *mixbuf;

 	int    mixlen;

 	/* Support for audio timing using a timer, in addition to select() */

 	float frame_ticks;

 	float next_frame;

 };

 #define FUDGE_TICKS	10	/* The scheduler overhead ticks per frame */

 /* Old variable names */

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

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

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

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

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

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

 #endif /* _SDL_artscaudio_h */