annotate src/audio/amigaos/SDL_ahiaudio.h @ 1228:f4a3a4129d04

From Mike Frysinger and/or Gentoo: - libsdl-SDL_stretch-PIC.patch ignoring the general fact of how SDL_stretch relies on executing dynamic code, the inline asm should let gcc handle the a details for getting the actual address for _copy_row as it will do the right thing test case: http://dev.gentoo.org/~vapier/libsdl/sdl-stretch.tar.bz2
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 05 Jan 2006 07:20:12 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_ahiaudio_h
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29 #define _SDL_ahiaudio_h
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30
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31 #include <exec/exec.h>
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32 #include <dos/dos.h>
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33 #ifdef __SASC
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34 #include <proto/exec.h>
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35 #else
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36 #include <inline/exec.h>
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37 #endif
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38 #include <stdlib.h>
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39 #include <string.h>
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40
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41 #include <devices/ahi.h>
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42 #include "mydebug.h"
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43 #include "SDL_sysaudio.h"
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44
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45 /* Hidden "this" pointer for the audio functions */
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46 #define _THIS SDL_AudioDevice *this
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47
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48 struct SDL_PrivateAudioData {
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49 /* The handle for the audio device */
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50 struct AHIRequest *audio_req[2];
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51 struct MsgPort *audio_port;
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52 Sint32 freq,type,bytespersample,size;
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53 Uint8 *mixbuf[2]; /* The app mixing buffer */
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54 int current_buffer;
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55 Uint32 playing;
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56 };
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57
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58 /* Old variable names */
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59 #define audio_port (this->hidden->audio_port)
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60 #define audio_req (this->hidden->audio_req)
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61 #define mixbuf (this->hidden->mixbuf)
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62 #define current_buffer (this->hidden->current_buffer)
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63 #define playing (this->hidden->playing)
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64
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65 #endif /* _SDL_ahiaudio_h */