SDL/SDL_ahiaudio.h

   1 /*
   2     SDL - Simple DirectMedia Layer
   3     Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 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     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19     Sam Lantinga
  20     slouken@libsdl.org
  21 */
  22
  23 #ifdef SAVE_RCSID
  24 static char rcsid =
  25  "@(#) $Id$";
  26 #endif
  27
  28 #ifndef _SDL_ahiaudio_h
  29 #define _SDL_ahiaudio_h
  30
  31 #include <exec/exec.h>
  32 #include <dos/dos.h>
  33 #if defined(__SASC) || defined(WARPOS) || defined(__AROS__)
  34 #include <proto/exec.h>
  35 #else
  36 #include <inline/exec.h>
  37 #endif
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 #include <devices/ahi.h>
  42 #include "mydebug.h"
  43 #include "SDL_sysaudio.h"
  44
  45 /* Hidden "this" pointer for the audio functions */
  46 #define _THIS   SDL_AudioDevice *this
  47
  48 struct SDL_PrivateAudioData {
  49         /* The handle for the audio device */
  50         struct AHIRequest *audio_req[2];
  51         struct MsgPort *audio_port;
  52         Sint32 freq,type,bytespersample,size;
  53         Uint8 *mixbuf[2];           /* The app mixing buffer */
  54         int current_buffer;
  55         Uint32 playing;
  56 };
  57
  58 /* Old variable names */
  59 #define audio_port              (this->hidden->audio_port)
  60 #define audio_req               (this->hidden->audio_req)
  61 #define mixbuf                  (this->hidden->mixbuf)
  62 #define current_buffer          (this->hidden->current_buffer)
  63 #define playing                 (this->hidden->playing)
  64
  65 #endif /* _SDL_ahiaudio_h */