slouken@0: /*
slouken@0:     SDL - Simple DirectMedia Layer
slouken@0:     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
slouken@0: 
slouken@0:     This library is free software; you can redistribute it and/or
slouken@0:     modify it under the terms of the GNU Library General Public
slouken@0:     License as published by the Free Software Foundation; either
slouken@0:     version 2 of the License, or (at your option) any later version.
slouken@0: 
slouken@0:     This library is distributed in the hope that it will be useful,
slouken@0:     but WITHOUT ANY WARRANTY; without even the implied warranty of
slouken@0:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
slouken@0:     Library General Public License for more details.
slouken@0: 
slouken@0:     You should have received a copy of the GNU Library General Public
slouken@0:     License along with this library; if not, write to the Free
slouken@0:     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
slouken@0: 
slouken@0:     Sam Lantinga
slouken@252:     slouken@libsdl.org
slouken@0: */
slouken@0: 
slouken@0: #ifdef SAVE_RCSID
slouken@0: static char rcsid =
slouken@0:  "@(#) $Id$";
slouken@0: #endif
slouken@0: 
slouken@0: #ifndef _SDL_lowaudio_h
slouken@0: #define _SDL_lowaudio_h
slouken@0: 
slouken@0: #include "SDL_sysaudio.h"
slouken@0: 
slouken@0: /* Hidden "this" pointer for the video functions */
slouken@0: #define _THIS	SDL_AudioDevice *this
slouken@0: 
slouken@0: struct SDL_PrivateAudioData {
slouken@0: 	/* The file descriptor for the audio device */
slouken@0: 	int audio_fd;
slouken@0: 
slouken@0: 	Uint16 audio_fmt;        /* The app audio format */
slouken@0: 	Uint8 *mixbuf;           /* The app mixing buffer */
slouken@0: 	int ulaw_only;           /* Flag -- does hardware only output U-law? */
slouken@0: 	Uint8 *ulaw_buf;         /* The U-law mixing buffer */
slouken@0: 	Sint32 written;          /* The number of samples written */
slouken@0: 	int fragsize;            /* The audio fragment size in samples */
slouken@0: 	int frequency;           /* The audio frequency in KHz */
slouken@0: };
slouken@0: 
slouken@0: /* Old variable names */
slouken@0: #define audio_fd		(this->hidden->audio_fd)
slouken@0: #define audio_fmt		(this->hidden->audio_fmt)
slouken@0: #define mixbuf			(this->hidden->mixbuf)
slouken@0: #define ulaw_only		(this->hidden->ulaw_only)
slouken@0: #define ulaw_buf		(this->hidden->ulaw_buf)
slouken@0: #define written			(this->hidden->written)
slouken@0: #define fragsize		(this->hidden->fragsize)
slouken@0: #define frequency		(this->hidden->frequency)
slouken@0: 
slouken@0: #endif /* _SDL_lowaudio_h */