/*+
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    SDL - Simple DirectMedia Layer+
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    Copyright (C) 1997-2004 Sam Lantinga+
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+
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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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+
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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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+
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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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+
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    Sam Lantinga+
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    slouken@libsdl.org+
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*/+
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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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+
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#ifndef _SDL_paudaudio_h+
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#define _SDL_paudaudio_h+
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+
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#include "SDL_sysaudio.h"+
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+
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/* Hidden "this" pointer for the video functions */+
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#define _THIS	SDL_AudioDevice *this+
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+
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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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+
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	/* The parent process id, to detect when application quits */+
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	pid_t parent;+
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+
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	/* Raw mixing buffer */+
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	Uint8 *mixbuf;+
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	int    mixlen;+
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+
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	/* Support for audio timing using a timer, in addition to select() */+
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	float frame_ticks;+
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	float next_frame;+
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};+
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#define FUDGE_TICKS	10	/* The scheduler overhead ticks per frame */+
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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 parent			(this->hidden->parent)+
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#define mixbuf			(this->hidden->mixbuf)+
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#define mixlen			(this->hidden->mixlen)+
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#define frame_ticks		(this->hidden->frame_ticks)+
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#define next_frame		(this->hidden->next_frame)+
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+
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#endif /* _SDL_paudaudio_h */+
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