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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2006 Sam Lantinga
      4 
      5     This library is free software; you can redistribute it and/or
      6     modify it under the terms of the GNU Lesser General Public
      7     License as published by the Free Software Foundation; either
      8     version 2.1 of the License, or (at your option) any later version.
      9 
     10     This library is distributed in the hope that it will be useful,
     11     but WITHOUT ANY WARRANTY; without even the implied warranty of
     12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13     Lesser General Public License for more details.
     14 
     15     You should have received a copy of the GNU Lesser General Public
     16     License along with this library; if not, write to the Free Software
     17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     18 
     19     Sam Lantinga
     20     slouken (at) libsdl.org
     21 */
     22 #include "SDL_config.h"
     23 
     24 #ifndef _SDL_romaudio_h
     25 #define _SDL_romaudio_h
     26 
     27 #include "../SDL_sysaudio.h"
     28 
     29 /* This is Ryan's improved MacOS sound code, with locking support */
     30 #define USE_RYANS_SOUNDCODE
     31 
     32 /* Hidden "this" pointer for the video functions */
     33 #define _THIS	SDL_AudioDevice *this
     34 
     35 struct SDL_PrivateAudioData {
     36 	/* Sound manager audio channel */
     37 	SndChannelPtr channel;
     38 #if defined(TARGET_API_MAC_CARBON) || defined(USE_RYANS_SOUNDCODE)
     39 	/* FIXME: Add Ryan's static data here */
     40 #else
     41 	/* Double buffering variables */
     42 	SndDoubleBufferPtr audio_buf[2];
     43 #endif
     44 };
     45 
     46 /* Old variable names */
     47 #define channel		(this->hidden->channel)
     48 #define audio_buf	(this->hidden->audio_buf)
     49 
     50 #endif /* _SDL_romaudio_h */
     51