Mercurial > sdl-ios-xcode
annotate docs/html/sdlcdplaytracks.html @ 641:df178851293b
Date: 28 Jun 2003 22:42:52 +0100
From: Alan Swanson
Subject: Re: [SDL] New XFree 4.3 Video Mode Patch
I have a wee amendment that moves the qsort in set_best_resolution
to only occur after failing to find an exact match only. This would
make absolutely sure we get a user set mode.
While I've never had any problems for my normal resolutions (1280x1024,
1024x768, 800x600 & 640,480) while closely examining the output from
qsort I've noticed it doesn't seem to sort the modes fully. These is
one definite wrong at 1152x768 and a few that just look wrong to me.
From a program (attached) I made to examine this more easily. X has
sorted its mode list using the same method as ours (plus frequency),
and our user modes get inserted without any other movement.
On the patch I've made I've also changed cmpmodes to sort on vertical
resolution and then horizontal. Ie vertical is now most significant
bit.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 28 Jun 2003 21:52:26 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 1.64 |
| 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 | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlcdplay.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlcdpause.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLCDPLAYTRACKS" | |
| 71 >SDL_CDPlayTracks</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN6987" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_CDPlayTracks -- Play the given CD track(s)</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN6990" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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91 NAME="AEN6991" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_CDPlayTracks</B | |
| 105 ></CODE | |
| 106 >(SDL_CD *cdrom, int start_track, int start_frame, int ntracks, int nframes));</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN6997" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 ><TT | |
| 121 CLASS="FUNCTION" | |
| 122 >SDL_CDPlayTracks</TT | |
| 123 > plays the given CD starting at track | |
| 124 <TT | |
| 125 CLASS="PARAMETER" | |
| 126 ><I | |
| 127 >start_track</I | |
| 128 ></TT | |
| 129 >, for <TT | |
| 130 CLASS="PARAMETER" | |
| 131 ><I | |
| 132 >ntracks</I | |
| 133 ></TT | |
| 134 > tracks. </P | |
| 135 ><P | |
| 136 ><TT | |
| 137 CLASS="PARAMETER" | |
| 138 ><I | |
| 139 >start_frame</I | |
| 140 ></TT | |
| 141 > is the frame offset, from the beginning of the <TT | |
| 142 CLASS="PARAMETER" | |
| 143 ><I | |
| 144 >start_track</I | |
| 145 ></TT | |
| 146 >, at which to start. <TT | |
| 147 CLASS="PARAMETER" | |
| 148 ><I | |
| 149 >nframes</I | |
| 150 ></TT | |
| 151 > is the frame offset, from the beginning of the last track (<TT | |
| 152 CLASS="PARAMETER" | |
| 153 ><I | |
| 154 >start_track</I | |
| 155 ></TT | |
| 156 >+<TT | |
| 157 CLASS="PARAMETER" | |
| 158 ><I | |
| 159 >ntracks</I | |
| 160 ></TT | |
| 161 >), at which to end playing.</P | |
| 162 ><P | |
| 163 ><TT | |
| 164 CLASS="FUNCTION" | |
| 165 >SDL_CDPlayTracks</TT | |
| 166 > should only be called after calling | |
| 167 <A | |
| 168 HREF="sdlcdstatus.html" | |
| 169 ><TT | |
| 170 CLASS="FUNCTION" | |
| 171 >SDL_CDStatus</TT | |
| 172 ></A | |
| 173 > | |
| 174 to get track information about the CD.</P | |
| 175 ><DIV | |
| 176 CLASS="NOTE" | |
| 177 ><BLOCKQUOTE | |
| 178 CLASS="NOTE" | |
| 179 ><P | |
| 180 ><B | |
| 181 >Note: </B | |
| 182 >Data tracks are ignored.</P | |
| 183 ></BLOCKQUOTE | |
| 184 ></DIV | |
| 185 ></DIV | |
| 186 ><DIV | |
| 187 CLASS="REFSECT1" | |
| 188 ><A | |
|
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189 NAME="AEN7015" |
| 0 | 190 ></A |
| 191 ><H2 | |
| 192 >Return Value</H2 | |
| 193 ><P | |
| 194 >Returns <SPAN | |
| 195 CLASS="RETURNVALUE" | |
| 196 >0</SPAN | |
| 197 >, or <SPAN | |
| 198 CLASS="RETURNVALUE" | |
| 199 >-1</SPAN | |
| 200 > | |
| 201 if there was an error.</P | |
| 202 ></DIV | |
| 203 ><DIV | |
| 204 CLASS="REFSECT1" | |
| 205 ><A | |
|
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206 NAME="AEN7020" |
| 0 | 207 ></A |
| 208 ><H2 | |
| 209 >Examples</H2 | |
| 210 ><P | |
| 211 ><PRE | |
| 212 CLASS="PROGRAMLISTING" | |
| 213 >/* assuming cdrom is a previously opened device */ | |
| 214 /* Play the entire CD */ | |
| 215 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 216 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
| 217 | |
| 218 /* Play the first track */ | |
| 219 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 220 SDL_CDPlayTracks(cdrom, 0, 0, 1, 0); | |
| 221 | |
| 222 /* Play first 15 seconds of the 2nd track */ | |
| 223 if(CD_INDRIVE(SDL_CDStatus(cdrom))) | |
| 224 SDL_CDPlayTracks(cdrom, 1, 0, 0, CD_FPS*15);</PRE | |
| 225 > | |
| 226 </P | |
| 227 ></DIV | |
| 228 ><DIV | |
| 229 CLASS="REFSECT1" | |
| 230 ><A | |
|
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231 NAME="AEN7024" |
| 0 | 232 ></A |
| 233 ><H2 | |
| 234 >See Also</H2 | |
| 235 ><P | |
| 236 ><A | |
| 237 HREF="sdlcdplay.html" | |
| 238 ><TT | |
| 239 CLASS="FUNCTION" | |
| 240 >SDL_CDPlay</TT | |
| 241 ></A | |
| 242 >, | |
| 243 <A | |
| 244 HREF="sdlcdstatus.html" | |
| 245 ><TT | |
| 246 CLASS="FUNCTION" | |
| 247 >SDL_CDStatus</TT | |
| 248 ></A | |
| 249 >, | |
| 250 <A | |
| 251 HREF="sdlcd.html" | |
| 252 ><TT | |
| 253 CLASS="FUNCTION" | |
| 254 >SDL_CD</TT | |
| 255 ></A | |
| 256 ></P | |
| 257 ></DIV | |
| 258 ><DIV | |
| 259 CLASS="NAVFOOTER" | |
| 260 ><HR | |
| 261 ALIGN="LEFT" | |
| 262 WIDTH="100%"><TABLE | |
| 263 WIDTH="100%" | |
| 264 BORDER="0" | |
| 265 CELLPADDING="0" | |
| 266 CELLSPACING="0" | |
| 267 ><TR | |
| 268 ><TD | |
| 269 WIDTH="33%" | |
| 270 ALIGN="left" | |
| 271 VALIGN="top" | |
| 272 ><A | |
| 273 HREF="sdlcdplay.html" | |
| 274 >Prev</A | |
| 275 ></TD | |
| 276 ><TD | |
| 277 WIDTH="34%" | |
| 278 ALIGN="center" | |
| 279 VALIGN="top" | |
| 280 ><A | |
| 281 HREF="index.html" | |
| 282 >Home</A | |
| 283 ></TD | |
| 284 ><TD | |
| 285 WIDTH="33%" | |
| 286 ALIGN="right" | |
| 287 VALIGN="top" | |
| 288 ><A | |
| 289 HREF="sdlcdpause.html" | |
| 290 >Next</A | |
| 291 ></TD | |
| 292 ></TR | |
| 293 ><TR | |
| 294 ><TD | |
| 295 WIDTH="33%" | |
| 296 ALIGN="left" | |
| 297 VALIGN="top" | |
| 298 >SDL_CDPlay</TD | |
| 299 ><TD | |
| 300 WIDTH="34%" | |
| 301 ALIGN="center" | |
| 302 VALIGN="top" | |
| 303 ><A | |
| 304 HREF="cdrom.html" | |
| 305 >Up</A | |
| 306 ></TD | |
| 307 ><TD | |
| 308 WIDTH="33%" | |
| 309 ALIGN="right" | |
| 310 VALIGN="top" | |
| 311 >SDL_CDPause</TD | |
| 312 ></TR | |
| 313 ></TABLE | |
| 314 ></DIV | |
| 315 ></BODY | |
| 316 ></HTML | |
| 317 > |