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annotate src/audio/mme/SDL_mmeaudio.h @ 4389:c6c3a6e7db46 SDL-1.2

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Fixed bug #899 Jeremiah Morris 2009-12-09 16:23:50 PST Re-enable mouseLocation workaround on 10.4, 10.5 OS X systems before 10.6 have a bug with [NSEvent mouseLocation] if the screen resolution changes. SDL_QuartzVideo.m contains a workaround for this bug, but it was placed inside an #ifdef in revision 4762. The comment reads, "I'm gambling they fixed this by 10.4." After seeing this bug on several Tiger and Leopard systems (both PPC and Intel), I can confirm that it's not fixed until 10.6. The workaround doesn't compile for x86_64/10.6, so I can understand why it was segregated, but it needs to remain in place for the i386 and ppc versions. The workaround causes no problems under 10.6, even though it's not necessary there. Patch is attached with one method of keeping the workaround active on the systems that need it.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Dec 2009 15:11:49 +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 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 #include "SDL_config.h"
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23
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24 /* Allow access to a raw mixing buffer */
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25
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26 #ifndef _SDL_lowaudio_h
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27 #define _SDL_lowaudio_h
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28
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29 #include "../SDL_sysaudio.h"
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30
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31 /* Hidden "this" pointer for the video functions */
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32 #define _THIS SDL_AudioDevice *this
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33 #define NUM_BUFFERS 2
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34
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35 struct SharedMem {
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36 HWAVEOUT sound;
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37 WAVEHDR wHdr[NUM_BUFFERS];
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38 PCMWAVEFORMAT wFmt;
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39 };
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40
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41 struct SDL_PrivateAudioData {
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42 Uint8 *mixbuf; /* The raw allocated mixing buffer */
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43 struct SharedMem *shm;
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44 int next_buffer;
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45 };
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46
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47 #define shm (this->hidden->shm)
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48 #define mixbuf (this->hidden->mixbuf)
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49 #define next_buffer (this->hidden->next_buffer)
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50 /* Old variable names */
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51 #endif /* _SDL_lowaudio_h */