Mercurial > sdl-ios-xcode
annotate docs/html/sdlgetmodstate.html @ 3096:ae4e80dbe330
Date: Tue, 17 Feb 2009 14:00:25 +0100
From: Stefan Klug
Subject: [SDL] Possible bug, paused audio playing garbage
On my WinCE device a paused audio device plays random garbage.
This might also be the issue in the thread "sound cracks with SDL_mixer
and AUDIO_S16LSB"
I don't have that much knowledge of the SDL audio part, but the attached
patch fixes it for me, and collapses two redundant ifs.
I'm not sure if this is the correct way to fix this.
Shouldn't the complete stream conversion part of the RunAudio loop be
dependent on the paused property of the device? (not only the call to
(*fill)(udata, istream, istream_len).
Anyways. Would be great if the patch or a fix could find its way to SVN ;-)
Cheers
Stefan
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 23 Mar 2009 05:21:40 +0000 |
| parents | 355632dca928 |
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| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_GetModState</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Event Functions." | |
| 14 HREF="eventfunctions.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_GetKeyState" | |
| 17 HREF="sdlgetkeystate.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_SetModState" | |
| 20 HREF="sdlsetmodstate.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
| 0 | 32 WIDTH="100%" |
| 33 BORDER="0" | |
| 34 CELLPADDING="0" | |
| 35 CELLSPACING="0" | |
| 36 ><TR | |
| 37 ><TH | |
| 38 COLSPAN="3" | |
| 39 ALIGN="center" | |
| 40 >SDL Library Documentation</TH | |
| 41 ></TR | |
| 42 ><TR | |
| 43 ><TD | |
| 44 WIDTH="10%" | |
| 45 ALIGN="left" | |
| 46 VALIGN="bottom" | |
| 47 ><A | |
| 48 HREF="sdlgetkeystate.html" | |
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49 ACCESSKEY="P" |
| 0 | 50 >Prev</A |
| 51 ></TD | |
| 52 ><TD | |
| 53 WIDTH="80%" | |
| 54 ALIGN="center" | |
| 55 VALIGN="bottom" | |
| 56 ></TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="sdlsetmodstate.html" | |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLGETMODSTATE" | |
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74 ></A |
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75 >SDL_GetModState</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN5721" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_GetModState -- Get the state of modifier keys.</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN5724" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN5725" |
| 0 | 95 ></A |
| 96 ><P | |
| 97 ></P | |
| 98 ><PRE | |
| 99 CLASS="FUNCSYNOPSISINFO" | |
| 100 >#include "SDL.h"</PRE | |
| 101 ><P | |
| 102 ><CODE | |
| 103 ><CODE | |
| 104 CLASS="FUNCDEF" | |
| 105 >SDLMod <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_GetModState</B | |
| 108 ></CODE | |
| 109 >(void);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN5731" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
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123 >Returns the current state of the modifier keys (CTRL, ALT, etc.).</P |
| 0 | 124 ></DIV |
| 125 ><DIV | |
| 126 CLASS="REFSECT1" | |
| 127 ><A | |
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128 NAME="AEN5734" |
| 0 | 129 ></A |
| 130 ><H2 | |
| 131 >Return Value</H2 | |
| 132 ><P | |
| 133 >The return value can be an OR'd combination of the SDLMod enum.</P | |
| 134 ><P | |
| 135 ><A | |
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136 NAME="AEN5738" |
| 0 | 137 ></A |
| 138 ><BLOCKQUOTE | |
| 139 CLASS="BLOCKQUOTE" | |
| 140 ><P | |
| 141 ><B | |
| 142 >SDLMod</B | |
| 143 ></P | |
| 144 ><PRE | |
| 145 CLASS="PROGRAMLISTING" | |
| 146 >typedef enum { | |
| 147 KMOD_NONE = 0x0000, | |
| 148 KMOD_LSHIFT= 0x0001, | |
| 149 KMOD_RSHIFT= 0x0002, | |
| 150 KMOD_LCTRL = 0x0040, | |
| 151 KMOD_RCTRL = 0x0080, | |
| 152 KMOD_LALT = 0x0100, | |
| 153 KMOD_RALT = 0x0200, | |
| 154 KMOD_LMETA = 0x0400, | |
| 155 KMOD_RMETA = 0x0800, | |
| 156 KMOD_NUM = 0x1000, | |
| 157 KMOD_CAPS = 0x2000, | |
| 158 KMOD_MODE = 0x4000, | |
| 159 } SDLMod;</PRE | |
| 160 ></BLOCKQUOTE | |
| 161 > | |
| 162 SDL also defines the following symbols for convenience: | |
| 163 <A | |
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164 NAME="AEN5741" |
| 0 | 165 ></A |
| 166 ><BLOCKQUOTE | |
| 167 CLASS="BLOCKQUOTE" | |
| 168 ><PRE | |
| 169 CLASS="PROGRAMLISTING" | |
| 170 >#define KMOD_CTRL (KMOD_LCTRL|KMOD_RCTRL) | |
| 171 #define KMOD_SHIFT (KMOD_LSHIFT|KMOD_RSHIFT) | |
| 172 #define KMOD_ALT (KMOD_LALT|KMOD_RALT) | |
| 173 #define KMOD_META (KMOD_LMETA|KMOD_RMETA)</PRE | |
| 174 ></BLOCKQUOTE | |
| 175 ></P | |
| 176 ></DIV | |
| 177 ><DIV | |
| 178 CLASS="REFSECT1" | |
| 179 ><A | |
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180 NAME="AEN5743" |
| 0 | 181 ></A |
| 182 ><H2 | |
| 183 >See Also</H2 | |
| 184 ><P | |
| 185 ><A | |
| 186 HREF="sdlgetkeystate.html" | |
| 187 ><TT | |
| 188 CLASS="FUNCTION" | |
| 189 >SDL_GetKeyState</TT | |
| 190 ></A | |
| 191 ></P | |
| 192 ></DIV | |
| 193 ><DIV | |
| 194 CLASS="NAVFOOTER" | |
| 195 ><HR | |
| 196 ALIGN="LEFT" | |
| 197 WIDTH="100%"><TABLE | |
|
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198 SUMMARY="Footer navigation table" |
| 0 | 199 WIDTH="100%" |
| 200 BORDER="0" | |
| 201 CELLPADDING="0" | |
| 202 CELLSPACING="0" | |
| 203 ><TR | |
| 204 ><TD | |
| 205 WIDTH="33%" | |
| 206 ALIGN="left" | |
| 207 VALIGN="top" | |
| 208 ><A | |
| 209 HREF="sdlgetkeystate.html" | |
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210 ACCESSKEY="P" |
| 0 | 211 >Prev</A |
| 212 ></TD | |
| 213 ><TD | |
| 214 WIDTH="34%" | |
| 215 ALIGN="center" | |
| 216 VALIGN="top" | |
| 217 ><A | |
| 218 HREF="index.html" | |
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219 ACCESSKEY="H" |
| 0 | 220 >Home</A |
| 221 ></TD | |
| 222 ><TD | |
| 223 WIDTH="33%" | |
| 224 ALIGN="right" | |
| 225 VALIGN="top" | |
| 226 ><A | |
| 227 HREF="sdlsetmodstate.html" | |
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228 ACCESSKEY="N" |
| 0 | 229 >Next</A |
| 230 ></TD | |
| 231 ></TR | |
| 232 ><TR | |
| 233 ><TD | |
| 234 WIDTH="33%" | |
| 235 ALIGN="left" | |
| 236 VALIGN="top" | |
| 237 >SDL_GetKeyState</TD | |
| 238 ><TD | |
| 239 WIDTH="34%" | |
| 240 ALIGN="center" | |
| 241 VALIGN="top" | |
| 242 ><A | |
| 243 HREF="eventfunctions.html" | |
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244 ACCESSKEY="U" |
| 0 | 245 >Up</A |
| 246 ></TD | |
| 247 ><TD | |
| 248 WIDTH="33%" | |
| 249 ALIGN="right" | |
| 250 VALIGN="top" | |
| 251 >SDL_SetModState</TD | |
| 252 ></TR | |
| 253 ></TABLE | |
| 254 ></DIV | |
| 255 ></BODY | |
| 256 ></HTML | |
| 257 > |