annotate src/audio/windib/SDL_dibaudio.h @ 4322:a8e5b518e194 SDL-1.2

Forcibly disabled MMX mixers. Hopefully fixes Bugzilla #649.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 12 Oct 2009 08:58:12 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 #ifndef _SDL_lowaudio_h
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25 #define _SDL_lowaudio_h
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26
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27 #include "../SDL_sysaudio.h"
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28
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29 /* Hidden "this" pointer for the video functions */
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30 #define _THIS SDL_AudioDevice *this
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31
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32 #define NUM_BUFFERS 2 /* -- Don't lower this! */
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33
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34 struct SDL_PrivateAudioData {
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35 HWAVEOUT sound;
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36 HANDLE audio_sem;
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37 Uint8 *mixbuf; /* The raw allocated mixing buffer */
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38 WAVEHDR wavebuf[NUM_BUFFERS]; /* Wave audio fragments */
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39 int next_buffer;
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40 };
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41
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42 /* Old variable names */
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43 #define sound (this->hidden->sound)
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44 #define audio_sem (this->hidden->audio_sem)
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45 #define mixbuf (this->hidden->mixbuf)
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46 #define wavebuf (this->hidden->wavebuf)
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47 #define next_buffer (this->hidden->next_buffer)
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48
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49 #endif /* _SDL_lowaudio_h */