/*    SDL - Simple DirectMedia Layer    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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*/#ifndef _SDL_openbsdaudio_h#define _SDL_openbsdaudio_h#include "SDL_sysaudio.h"#define _THIS	SDL_AudioDevice *thisstruct SDL_PrivateAudioData{    /* The file descriptor for the audio device */    int audio_fd;    /* 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 audio_fd		(this->hidden->audio_fd)#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_openbsdaudio_h */