Mercurial > sdl-ios-xcode
view src/audio/windib/SDL_dibaudio.h @ 1096:37b766becf3b
Reserve space in system buffer to call XBIOS from interrupt
author | Patrice Mandin <patmandin@gmail.com> |
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date | Wed, 20 Jul 2005 17:40:58 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
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/* 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_lowaudio_h #define _SDL_lowaudio_h #include "SDL_sysaudio.h" /* Hidden "this" pointer for the video functions */ #define _THIS SDL_AudioDevice *this #define NUM_BUFFERS 2 /* -- Don't lower this! */ struct SDL_PrivateAudioData { HWAVEOUT sound; HANDLE audio_sem; Uint8 *mixbuf; /* The raw allocated mixing buffer */ WAVEHDR wavebuf[NUM_BUFFERS]; /* Wave audio fragments */ int next_buffer; }; /* Old variable names */ #define sound (this->hidden->sound) #define audio_sem (this->hidden->audio_sem) #define mixbuf (this->hidden->mixbuf) #define wavebuf (this->hidden->wavebuf) #define next_buffer (this->hidden->next_buffer) #endif /* _SDL_lowaudio_h */