Mercurial > sdl-ios-xcode
annotate docs/html/sdljoybuttonevent.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 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_JoyButtonEvent</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="SDL Event Structures." | |
| 14 HREF="eventstructures.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_JoyAxisEvent" | |
| 17 HREF="sdljoyaxisevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_JoyHatEvent" | |
| 20 HREF="sdljoyhatevent.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="sdljoyaxisevent.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="sdljoyhatevent.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="SDLJOYBUTTONEVENT" | |
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74 ></A |
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75 >SDL_JoyButtonEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4258" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_JoyButtonEvent -- Joystick button event structure</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4261" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Structure Definition</H2 | |
| 91 ><PRE | |
| 92 CLASS="PROGRAMLISTING" | |
| 93 >typedef struct{ | |
| 94 Uint8 type; | |
| 95 Uint8 which; | |
| 96 Uint8 button; | |
| 97 Uint8 state; | |
| 98 } SDL_JoyButtonEvent;</PRE | |
| 99 ></DIV | |
| 100 ><DIV | |
| 101 CLASS="REFSECT1" | |
| 102 ><A | |
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103 NAME="AEN4264" |
| 0 | 104 ></A |
| 105 ><H2 | |
| 106 >Structure Data</H2 | |
| 107 ><DIV | |
| 108 CLASS="INFORMALTABLE" | |
| 109 ><A | |
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110 NAME="AEN4266" |
| 0 | 111 ></A |
| 112 ><P | |
| 113 ></P | |
| 114 ><TABLE | |
| 115 BORDER="0" | |
| 116 CLASS="CALSTABLE" | |
| 117 ><TBODY | |
| 118 ><TR | |
| 119 ><TD | |
| 120 ALIGN="LEFT" | |
| 121 VALIGN="TOP" | |
| 122 ><TT | |
| 123 CLASS="STRUCTFIELD" | |
| 124 ><I | |
| 125 >type</I | |
| 126 ></TT | |
| 127 ></TD | |
| 128 ><TD | |
| 129 ALIGN="LEFT" | |
| 130 VALIGN="TOP" | |
| 131 ><TT | |
| 132 CLASS="LITERAL" | |
| 133 >SDL_JOYBUTTONDOWN</TT | |
| 134 > or <TT | |
| 135 CLASS="LITERAL" | |
| 136 >SDL_JOYBUTTONUP</TT | |
| 137 ></TD | |
| 138 ></TR | |
| 139 ><TR | |
| 140 ><TD | |
| 141 ALIGN="LEFT" | |
| 142 VALIGN="TOP" | |
| 143 ><TT | |
| 144 CLASS="STRUCTFIELD" | |
| 145 ><I | |
| 146 >which</I | |
| 147 ></TT | |
| 148 ></TD | |
| 149 ><TD | |
| 150 ALIGN="LEFT" | |
| 151 VALIGN="TOP" | |
| 152 >Joystick device index</TD | |
| 153 ></TR | |
| 154 ><TR | |
| 155 ><TD | |
| 156 ALIGN="LEFT" | |
| 157 VALIGN="TOP" | |
| 158 ><TT | |
| 159 CLASS="STRUCTFIELD" | |
| 160 ><I | |
| 161 >button</I | |
| 162 ></TT | |
| 163 ></TD | |
| 164 ><TD | |
| 165 ALIGN="LEFT" | |
| 166 VALIGN="TOP" | |
| 167 >Joystick button index</TD | |
| 168 ></TR | |
| 169 ><TR | |
| 170 ><TD | |
| 171 ALIGN="LEFT" | |
| 172 VALIGN="TOP" | |
| 173 ><TT | |
| 174 CLASS="STRUCTFIELD" | |
| 175 ><I | |
| 176 >state</I | |
| 177 ></TT | |
| 178 ></TD | |
| 179 ><TD | |
| 180 ALIGN="LEFT" | |
| 181 VALIGN="TOP" | |
| 182 ><TT | |
| 183 CLASS="LITERAL" | |
| 184 >SDL_PRESSED</TT | |
| 185 > or <TT | |
| 186 CLASS="LITERAL" | |
| 187 >SDL_RELEASED</TT | |
| 188 ></TD | |
| 189 ></TR | |
| 190 ></TBODY | |
| 191 ></TABLE | |
| 192 ><P | |
| 193 ></P | |
| 194 ></DIV | |
| 195 ></DIV | |
| 196 ><DIV | |
| 197 CLASS="REFSECT1" | |
| 198 ><A | |
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199 NAME="AEN4289" |
| 0 | 200 ></A |
| 201 ><H2 | |
| 202 >Description</H2 | |
| 203 ><P | |
| 204 ><SPAN | |
| 205 CLASS="STRUCTNAME" | |
| 206 >SDL_JoyButtonEvent</SPAN | |
| 207 > is a member of the <A | |
| 208 HREF="sdlevent.html" | |
| 209 ><SPAN | |
| 210 CLASS="STRUCTNAME" | |
| 211 >SDL_Event</SPAN | |
| 212 ></A | |
| 213 > union and is used when an event of type <TT | |
| 214 CLASS="LITERAL" | |
| 215 >SDL_JOYBUTTONDOWN</TT | |
| 216 > or <TT | |
| 217 CLASS="LITERAL" | |
| 218 >SDL_JOYBUTTONUP</TT | |
| 219 > is reported.</P | |
| 220 ><P | |
| 221 >A <TT | |
| 222 CLASS="LITERAL" | |
| 223 >SDL_JOYBUTTONDOWN</TT | |
| 224 > or <TT | |
| 225 CLASS="LITERAL" | |
| 226 >SDL_JOYBUTTONUP</TT | |
| 227 > event occurs when ever a user presses or releases a button on a joystick. The field <TT | |
| 228 CLASS="STRUCTFIELD" | |
| 229 ><I | |
| 230 >which</I | |
| 231 ></TT | |
| 232 > is the index of the joystick that reported the event and <TT | |
| 233 CLASS="STRUCTFIELD" | |
| 234 ><I | |
| 235 >button</I | |
| 236 ></TT | |
| 237 > is the index of the button (for a more detailed explaination see the <A | |
| 238 HREF="joystick.html" | |
| 239 >Joystick section</A | |
| 240 >). <TT | |
| 241 CLASS="STRUCTFIELD" | |
| 242 ><I | |
| 243 >state</I | |
| 244 ></TT | |
| 245 > is the current state or the button which is either <TT | |
| 246 CLASS="LITERAL" | |
| 247 >SDL_PRESSED</TT | |
| 248 > or <TT | |
| 249 CLASS="LITERAL" | |
| 250 >SDL_RELEASED</TT | |
| 251 >.</P | |
| 252 ></DIV | |
| 253 ><DIV | |
| 254 CLASS="REFSECT1" | |
| 255 ><A | |
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256 NAME="AEN4306" |
| 0 | 257 ></A |
| 258 ><H2 | |
| 259 >See Also</H2 | |
| 260 ><P | |
| 261 ><A | |
| 262 HREF="sdlevent.html" | |
| 263 ><SPAN | |
| 264 CLASS="STRUCTNAME" | |
| 265 >SDL_Event</SPAN | |
| 266 ></A | |
| 267 >, | |
| 268 <A | |
| 269 HREF="joystick.html" | |
| 270 >Joystick Functions</A | |
| 271 >, | |
| 272 <A | |
| 273 HREF="sdljoystickeventstate.html" | |
| 274 ><TT | |
| 275 CLASS="FUNCTION" | |
| 276 >SDL_JoystickEventState</TT | |
| 277 ></A | |
| 278 >, | |
| 279 <A | |
| 280 HREF="sdljoystickgetbutton.html" | |
| 281 ><TT | |
| 282 CLASS="FUNCTION" | |
| 283 >SDL_JoystickGetButton</TT | |
| 284 ></A | |
| 285 ></P | |
| 286 ></DIV | |
| 287 ><DIV | |
| 288 CLASS="NAVFOOTER" | |
| 289 ><HR | |
| 290 ALIGN="LEFT" | |
| 291 WIDTH="100%"><TABLE | |
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292 SUMMARY="Footer navigation table" |
| 0 | 293 WIDTH="100%" |
| 294 BORDER="0" | |
| 295 CELLPADDING="0" | |
| 296 CELLSPACING="0" | |
| 297 ><TR | |
| 298 ><TD | |
| 299 WIDTH="33%" | |
| 300 ALIGN="left" | |
| 301 VALIGN="top" | |
| 302 ><A | |
| 303 HREF="sdljoyaxisevent.html" | |
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304 ACCESSKEY="P" |
| 0 | 305 >Prev</A |
| 306 ></TD | |
| 307 ><TD | |
| 308 WIDTH="34%" | |
| 309 ALIGN="center" | |
| 310 VALIGN="top" | |
| 311 ><A | |
| 312 HREF="index.html" | |
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313 ACCESSKEY="H" |
| 0 | 314 >Home</A |
| 315 ></TD | |
| 316 ><TD | |
| 317 WIDTH="33%" | |
| 318 ALIGN="right" | |
| 319 VALIGN="top" | |
| 320 ><A | |
| 321 HREF="sdljoyhatevent.html" | |
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322 ACCESSKEY="N" |
| 0 | 323 >Next</A |
| 324 ></TD | |
| 325 ></TR | |
| 326 ><TR | |
| 327 ><TD | |
| 328 WIDTH="33%" | |
| 329 ALIGN="left" | |
| 330 VALIGN="top" | |
| 331 >SDL_JoyAxisEvent</TD | |
| 332 ><TD | |
| 333 WIDTH="34%" | |
| 334 ALIGN="center" | |
| 335 VALIGN="top" | |
| 336 ><A | |
| 337 HREF="eventstructures.html" | |
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338 ACCESSKEY="U" |
| 0 | 339 >Up</A |
| 340 ></TD | |
| 341 ><TD | |
| 342 WIDTH="33%" | |
| 343 ALIGN="right" | |
| 344 VALIGN="top" | |
| 345 >SDL_JoyHatEvent</TD | |
| 346 ></TR | |
| 347 ></TABLE | |
| 348 ></DIV | |
| 349 ></BODY | |
| 350 ></HTML | |
| 351 > |