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annotate src/audio/mme/SDL_mmeaudio.h @ 767:d9e79e31a7b7

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Date: Mon, 17 Nov 2003 21:59:24 -0800 From: Pete Shinners Subject: [SDL] directfb cursor patch here is a quick and dirty patch that allows directfb to change the visibility of the cursor. this display backend still has no way to change the actual cursor shape, but being able to set the cursor visibility is a simple change that should offer some benefits. the code was largely based on the cursor code for other sdl backends. and this documentation. http://directfb.org/documentation/DirectFB_Reference/IDirectFBDisplayLayer_SetCursorOpacity.html
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2004 15:57:16 +0000
parents e92bcf2573cb
children b8d311d90021
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, 1998, 1999, 2000, 2001, 2002 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 */