src/audio/sun/SDL_sunaudio.h
author Sam Lantinga
Thu, 26 Apr 2001 16:45:43 +0000
changeset 0 74212992fb08
child 252 e8157fcb3114
permissions -rw-r--r--
Initial revision
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@devolution.com
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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#ifndef _SDL_lowaudio_h
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#define _SDL_lowaudio_h
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#include "SDL_sysaudio.h"
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/* Hidden "this" pointer for the video functions */
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#define _THIS	SDL_AudioDevice *this
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struct SDL_PrivateAudioData {
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	/* The file descriptor for the audio device */
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	int audio_fd;
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	Uint16 audio_fmt;        /* The app audio format */
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	Uint8 *mixbuf;           /* The app mixing buffer */
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	int ulaw_only;           /* Flag -- does hardware only output U-law? */
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	Uint8 *ulaw_buf;         /* The U-law mixing buffer */
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	Sint32 written;          /* The number of samples written */
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	int fragsize;            /* The audio fragment size in samples */
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	int frequency;           /* The audio frequency in KHz */
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};
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/* Old variable names */
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#define audio_fd		(this->hidden->audio_fd)
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#define audio_fmt		(this->hidden->audio_fmt)
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#define mixbuf			(this->hidden->mixbuf)
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#define ulaw_only		(this->hidden->ulaw_only)
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#define ulaw_buf		(this->hidden->ulaw_buf)
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#define written			(this->hidden->written)
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#define fragsize		(this->hidden->fragsize)
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#define frequency		(this->hidden->frequency)
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#endif /* _SDL_lowaudio_h */