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annotate src/audio/mme/SDL_mmeaudio.h @ 1118:65f4b2dd46b7

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Date: Wed, 17 Aug 2005 11:23:40 -0400 From: Matt L <prometheus.uw@gmail.com> To: "Ryan C. Gordon" <icculus@clutteredmind.org> Subject: SDL Patch Hio, I saw your last call on the mailing list. Here's a patch which I submitted about two weeks ago which hasn't made it in. In the current sdl.m4, there's a bug where if your configure.ac, you have AC_LANG(C++) specified, it won't properly compile and link the SDL test program when you run the configure script. This is because only the default CFLAGS is overriden in sdl.m4, and in the patch below, I've fixed it so it overrides CXXFLAGS as well, allowing it to work with g++.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 18 Aug 2005 06:06:02 +0000
parents b8d311d90021
children 604d73db6802
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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18
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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 /* Allow access to a raw mixing buffer */
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28 #include <mme_api.h>
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29
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30 #include "SDL_audio.h"
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31 #include "SDL_mutex.h"
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32 #include "SDL_timer.h"
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33 #include "SDL_audio_c.h"
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34
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35 #ifndef _SDL_lowaudio_h
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36 #define _SDL_lowaudio_h
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37 #include "SDL_sysaudio.h"
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38
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39 /* Hidden "this" pointer for the video functions */
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40 #define _THIS SDL_AudioDevice *this
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41 #define NUM_BUFFERS 2
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42
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43 struct SharedMem {
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44 HWAVEOUT sound;
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45 WAVEHDR wHdr[NUM_BUFFERS];
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46 PCMWAVEFORMAT wFmt;
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47 };
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48
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49 struct SDL_PrivateAudioData {
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50 Uint8 *mixbuf; /* The raw allocated mixing buffer */
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51 struct SharedMem *shm;
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52 int next_buffer;
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53 };
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54
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55 #define shm (this->hidden->shm)
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56 #define mixbuf (this->hidden->mixbuf)
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57 #define next_buffer (this->hidden->next_buffer)
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58 /* Old variable names */
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59 #endif /* _SDL_lowaudio_h */