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annotate docs/html/sdlcdplaytracks.html @ 1125:a6011e1394d9
Apparently MacOS X will sometimes pass command line arguments to a Cocoa
app as an openFile() message, so we have to make sure we were launched from
the Finder before accepting these as drag'n'drop documents, or they will just
duplicate what's already in argc/argv.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Mon, 22 Aug 2005 14:18:15 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_CDPlayTracks</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="CD-ROM" | |
| 14 HREF="cdrom.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_CDPlay" | |
| 17 HREF="sdlcdplay.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_CDPause" | |
| 20 HREF="sdlcdpause.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="sdlcdplay.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="sdlcdpause.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="SDLCDPLAYTRACKS" | |
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74 ></A |
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75 >SDL_CDPlayTracks</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN7375" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_CDPlayTracks -- Play the given CD track(s)</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN7378" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN7379" |
| 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 >int <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_CDPlayTracks</B | |
| 108 ></CODE | |
| 109 >(SDL_CD *cdrom, int start_track, int start_frame, int ntracks, int nframes));</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN7385" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 ><TT | |
| 124 CLASS="FUNCTION" | |
| 125 >SDL_CDPlayTracks</TT | |
| 126 > plays the given CD starting at track | |
| 127 <TT | |
| 128 CLASS="PARAMETER" | |
| 129 ><I | |
| 130 >start_track</I | |
| 131 ></TT | |
| 132 >, for <TT | |
| 133 CLASS="PARAMETER" | |
| 134 ><I | |
| 135 >ntracks</I | |
| 136 ></TT | |
| 137 > tracks. </P | |
| 138 ><P | |
| 139 ><TT | |
| 140 CLASS="PARAMETER" | |
| 141 ><I | |
| 142 >start_frame</I | |
| 143 ></TT | |
| 144 > is the frame offset, from the beginning of the <TT | |
| 145 CLASS="PARAMETER" | |
| 146 ><I | |
| 147 >start_track</I | |
| 148 ></TT | |
| 149 >, at which to start. <TT | |
| 150 CLASS="PARAMETER" | |
| 151 ><I | |
| 152 >nframes</I | |
| 153 ></TT | |
| 154 > is the frame offset, from the beginning of the last track (<TT | |
| 155 CLASS="PARAMETER" | |
| 156 ><I | |
| 157 >start_track</I | |
| 158 ></TT | |
| 159 >+<TT | |
| 160 CLASS="PARAMETER" | |
| 161 ><I | |
| 162 >ntracks</I | |
| 163 ></TT | |
| 164 >), at which to end playing.</P | |
| 165 ><P | |
| 166 ><TT | |
| 167 CLASS="FUNCTION" | |
| 168 >SDL_CDPlayTracks</TT | |
| 169 > should only be called after calling | |
| 170 <A | |
| 171 HREF="sdlcdstatus.html" | |
| 172 ><TT | |
| 173 CLASS="FUNCTION" | |
| 174 >SDL_CDStatus</TT | |
| 175 ></A | |
| 176 > | |
| 177 to get track information about the CD.</P | |
| 178 ><DIV | |
| 179 CLASS="NOTE" | |
| 180 ><BLOCKQUOTE | |
| 181 CLASS="NOTE" | |
| 182 ><P | |
| 183 ><B | |
| 184 >Note: </B | |
| 185 >Data tracks are ignored.</P | |
| 186 ></BLOCKQUOTE | |
| 187 ></DIV | |
| 188 ></DIV | |
| 189 ><DIV | |
| 190 CLASS="REFSECT1" | |
| 191 ><A | |
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192 NAME="AEN7403" |
| 0 | 193 ></A |
| 194 ><H2 | |
| 195 >Return Value</H2 | |
| 196 ><P | |
| 197 >Returns <SPAN | |
| 198 CLASS="RETURNVALUE" | |
| 199 >0</SPAN | |
| 200 >, or <SPAN | |
| 201 CLASS="RETURNVALUE" | |
| 202 >-1</SPAN | |
| 203 > | |
| 204 if there was an error.</P | |
| 205 ></DIV | |
| 206 ><DIV | |
| 207 CLASS="REFSECT1" | |
| 208 ><A | |
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209 NAME="AEN7408" |
| 0 | 210 ></A |
| 211 ><H2 | |
| 212 >Examples</H2 | |
| 213 ><P | |
| 214 ><PRE | |
| 215 CLASS="PROGRAMLISTING" | |
| 216 >/* assuming cdrom is a previously opened device */ | |
| 217 /* Play the entire CD */ | |
| 218 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 219 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
| 220 | |
| 221 /* Play the first track */ | |
| 222 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 223 SDL_CDPlayTracks(cdrom, 0, 0, 1, 0); | |
| 224 | |
| 225 /* Play first 15 seconds of the 2nd track */ | |
| 226 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 227 SDL_CDPlayTracks(cdrom, 1, 0, 0, CD_FPS*15);</PRE | |
| 228 > | |
| 229 </P | |
| 230 ></DIV | |
| 231 ><DIV | |
| 232 CLASS="REFSECT1" | |
| 233 ><A | |
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234 NAME="AEN7412" |
| 0 | 235 ></A |
| 236 ><H2 | |
| 237 >See Also</H2 | |
| 238 ><P | |
| 239 ><A | |
| 240 HREF="sdlcdplay.html" | |
| 241 ><TT | |
| 242 CLASS="FUNCTION" | |
| 243 >SDL_CDPlay</TT | |
| 244 ></A | |
| 245 >, | |
| 246 <A | |
| 247 HREF="sdlcdstatus.html" | |
| 248 ><TT | |
| 249 CLASS="FUNCTION" | |
| 250 >SDL_CDStatus</TT | |
| 251 ></A | |
| 252 >, | |
| 253 <A | |
| 254 HREF="sdlcd.html" | |
| 255 ><TT | |
| 256 CLASS="FUNCTION" | |
| 257 >SDL_CD</TT | |
| 258 ></A | |
| 259 ></P | |
| 260 ></DIV | |
| 261 ><DIV | |
| 262 CLASS="NAVFOOTER" | |
| 263 ><HR | |
| 264 ALIGN="LEFT" | |
| 265 WIDTH="100%"><TABLE | |
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266 SUMMARY="Footer navigation table" |
| 0 | 267 WIDTH="100%" |
| 268 BORDER="0" | |
| 269 CELLPADDING="0" | |
| 270 CELLSPACING="0" | |
| 271 ><TR | |
| 272 ><TD | |
| 273 WIDTH="33%" | |
| 274 ALIGN="left" | |
| 275 VALIGN="top" | |
| 276 ><A | |
| 277 HREF="sdlcdplay.html" | |
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278 ACCESSKEY="P" |
| 0 | 279 >Prev</A |
| 280 ></TD | |
| 281 ><TD | |
| 282 WIDTH="34%" | |
| 283 ALIGN="center" | |
| 284 VALIGN="top" | |
| 285 ><A | |
| 286 HREF="index.html" | |
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287 ACCESSKEY="H" |
| 0 | 288 >Home</A |
| 289 ></TD | |
| 290 ><TD | |
| 291 WIDTH="33%" | |
| 292 ALIGN="right" | |
| 293 VALIGN="top" | |
| 294 ><A | |
| 295 HREF="sdlcdpause.html" | |
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296 ACCESSKEY="N" |
| 0 | 297 >Next</A |
| 298 ></TD | |
| 299 ></TR | |
| 300 ><TR | |
| 301 ><TD | |
| 302 WIDTH="33%" | |
| 303 ALIGN="left" | |
| 304 VALIGN="top" | |
| 305 >SDL_CDPlay</TD | |
| 306 ><TD | |
| 307 WIDTH="34%" | |
| 308 ALIGN="center" | |
| 309 VALIGN="top" | |
| 310 ><A | |
| 311 HREF="cdrom.html" | |
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312 ACCESSKEY="U" |
| 0 | 313 >Up</A |
| 314 ></TD | |
| 315 ><TD | |
| 316 WIDTH="33%" | |
| 317 ALIGN="right" | |
| 318 VALIGN="top" | |
| 319 >SDL_CDPause</TD | |
| 320 ></TR | |
| 321 ></TABLE | |
| 322 ></DIV | |
| 323 ></BODY | |
| 324 ></HTML | |
| 325 > |