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annotate src/audio/windx5/SDL_dx5audio.h @ 1627:aee7ea396f59

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Fixed bug #179 SDL_SemValue() always returns 0. That's because the underlying POSIX sem_getvalue() is implemented as a noop in Mac OS X. Apart from that, semaphores do work properly (at least according to test/testsem), so I'm not sure if this is worth fixing at all.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 13 Apr 2006 14:04:13 +0000
parents d910939febfa
children 782fd950bd46 9b02a5b97f79
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 "directx.h"
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28
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29 #include "../SDL_sysaudio.h"
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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
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34 /* The DirectSound objects */
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35 struct SDL_PrivateAudioData {
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36 LPDIRECTSOUND sound;
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37 LPDIRECTSOUNDBUFFER mixbuf;
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38 int NUM_BUFFERS;
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39 int mixlen, silence;
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40 DWORD playing;
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41 Uint8 *locked_buf;
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42 HANDLE audio_event;
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43 };
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44
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45 /* Old variable names */
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46 #define sound (this->hidden->sound)
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47 #define mixbuf (this->hidden->mixbuf)
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48 #define NUM_BUFFERS (this->hidden->NUM_BUFFERS)
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49 #define mixlen (this->hidden->mixlen)
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50 #define silence (this->hidden->silence)
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51 #define playing (this->hidden->playing)
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52 #define locked_buf (this->hidden->locked_buf)
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53 #define audio_event (this->hidden->audio_event)
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54
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55 #endif /* _SDL_lowaudio_h */