annotate src/audio/arts/SDL_artsaudio.h @ 1282:217f5d5a49e5

Date: Sat, 15 Jan 2005 02:01:51 +0000 (UTC) From: jimrandomh Subject: [SDL] Re: Modifier keys pressed during initialization stick I wrote a simple test program which initializes SDL, prints the SDL version number, then prints any keydown and keyup events with their modifiers. (Source code below). Compilation was done using Visual Studio 6, release mode. My test sequence was: Start a command prompt. Type the name of the test program. shift down enter down (program starts) Wait for window to appear enter up shift up spacebar down spacebar up Under Windows 98, the output was correct: SDL 1.2.8 left shift down shift-return down shift-return up left shift up space down space up Under Windows 2000 and under Windows XP, the output was: SDL 1.2.8 shift-space down shift-space up Since shift was not held at the time space was pressed, this is incorrect. Similar results were observed with launching in different ways (including double-clicking in Windows Explorer), so it does not depend on the launching terminal.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 29 Jan 2006 07:57:13 +0000
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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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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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_artscaudio_h
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29 #define _SDL_artscaudio_h
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30
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31 #include <artsc.h>
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32 #include "SDL_sysaudio.h"
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33
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34 /* Hidden "this" pointer for the video functions */
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35 #define _THIS SDL_AudioDevice *this
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36
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37 struct SDL_PrivateAudioData {
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38 /* The stream descriptor for the audio device */
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39 arts_stream_t stream;
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40
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41 /* The parent process id, to detect when application quits */
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42 pid_t parent;
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43
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44 /* Raw mixing buffer */
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45 Uint8 *mixbuf;
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46 int mixlen;
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47
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48 /* Support for audio timing using a timer, in addition to select() */
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49 float frame_ticks;
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50 float next_frame;
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51 };
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52 #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
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53
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54 /* Old variable names */
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55 #define stream (this->hidden->stream)
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56 #define parent (this->hidden->parent)
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57 #define mixbuf (this->hidden->mixbuf)
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58 #define mixlen (this->hidden->mixlen)
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59 #define frame_ticks (this->hidden->frame_ticks)
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60 #define next_frame (this->hidden->next_frame)
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61
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62 #endif /* _SDL_artscaudio_h */
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