Mercurial > sdl-ios-xcode
annotate docs/html/guidecdromexamples.html @ 2429:2c55b72ba46e gsoc2008_iphone
testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
| author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
|---|---|
| date | Fri, 15 Aug 2008 00:52:52 +0000 |
| parents | 355632dca928 |
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| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >CDROM Examples</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="Examples" | |
| 14 HREF="guideexamples.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="Audio Examples" | |
| 17 HREF="guideaudioexamples.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="Time Examples" | |
| 20 HREF="guidetimeexamples.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="SECT1" | |
| 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="guideaudioexamples.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 >Chapter 4. Examples</TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="guidetimeexamples.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 ><DIV | |
| 72 CLASS="SECT1" | |
| 73 ><H1 | |
| 74 CLASS="SECT1" | |
| 75 ><A | |
| 76 NAME="GUIDECDROMEXAMPLES" | |
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77 ></A |
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78 >CDROM Examples</H1 |
| 0 | 79 ><P |
| 80 ></P | |
| 81 ><DIV | |
| 82 CLASS="SECT2" | |
| 83 ><H2 | |
| 84 CLASS="SECT2" | |
| 85 ><A | |
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86 NAME="AEN393" |
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87 ></A |
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88 >Listing CD-ROM drives</H2 |
| 0 | 89 ><P |
| 90 ><PRE | |
| 91 CLASS="PROGRAMLISTING" | |
| 92 > #include "SDL.h" | |
| 93 | |
| 94 /* Initialize SDL first */ | |
| 95 if ( SDL_Init(SDL_INIT_CDROM) < 0 ) { | |
| 96 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
| 97 exit(1); | |
| 98 } | |
| 99 atexit(SDL_Quit); | |
| 100 | |
| 101 /* Find out how many CD-ROM drives are connected to the system */ | |
| 102 printf("Drives available: %d\n", SDL_CDNumDrives()); | |
| 103 for ( i=0; i<SDL_CDNumDrives(); ++i ) { | |
| 104 printf("Drive %d: \"%s\"\n", i, SDL_CDName(i)); | |
| 105 }</PRE | |
| 106 ></P | |
| 107 ></DIV | |
| 108 ><DIV | |
| 109 CLASS="SECT2" | |
| 110 ><H2 | |
| 111 CLASS="SECT2" | |
| 112 ><A | |
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113 NAME="AEN397" |
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114 ></A |
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115 >Opening the default drive</H2 |
| 0 | 116 ><P |
| 117 ><PRE | |
| 118 CLASS="PROGRAMLISTING" | |
| 119 > SDL_CD *cdrom; | |
| 120 CDstatus status; | |
| 121 char *status_str; | |
| 122 | |
| 123 cdrom = SDL_CDOpen(0); | |
| 124 if ( cdrom == NULL ) { | |
| 125 fprintf(stderr, "Couldn't open default CD-ROM drive: %s\n", | |
| 126 SDL_GetError()); | |
| 127 exit(2); | |
| 128 } | |
| 129 | |
| 130 status = SDL_CDStatus(cdrom); | |
| 131 switch (status) { | |
| 132 case CD_TRAYEMPTY: | |
| 133 status_str = "tray empty"; | |
| 134 break; | |
| 135 case CD_STOPPED: | |
| 136 status_str = "stopped"; | |
| 137 break; | |
| 138 case CD_PLAYING: | |
| 139 status_str = "playing"; | |
| 140 break; | |
| 141 case CD_PAUSED: | |
| 142 status_str = "paused"; | |
| 143 break; | |
| 144 case CD_ERROR: | |
| 145 status_str = "error state"; | |
| 146 break; | |
| 147 } | |
| 148 printf("Drive status: %s\n", status_str); | |
| 149 if ( status >= CD_PLAYING ) { | |
| 150 int m, s, f; | |
| 151 FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f); | |
| 152 printf("Currently playing track %d, %d:%2.2d\n", | |
| 153 cdrom->track[cdrom->cur_track].id, m, s); | |
| 154 }</PRE | |
| 155 ></P | |
| 156 ></DIV | |
| 157 ><DIV | |
| 158 CLASS="SECT2" | |
| 159 ><H2 | |
| 160 CLASS="SECT2" | |
| 161 ><A | |
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162 NAME="AEN401" |
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163 ></A |
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164 >Listing the tracks on a CD</H2 |
| 0 | 165 ><P |
| 166 ><PRE | |
| 167 CLASS="PROGRAMLISTING" | |
| 168 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
| 169 int i; | |
| 170 int m, s, f; | |
| 171 | |
| 172 SDL_CDStatus(cdrom); | |
| 173 printf("Drive tracks: %d\n", cdrom->numtracks); | |
| 174 for ( i=0; i<cdrom->numtracks; ++i ) { | |
| 175 FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f); | |
| 176 if ( f > 0 ) | |
| 177 ++s; | |
| 178 printf("\tTrack (index %d) %d: %d:%2.2d\n", i, | |
| 179 cdrom->track[i].id, m, s); | |
| 180 }</PRE | |
| 181 ></P | |
| 182 ></DIV | |
| 183 ><DIV | |
| 184 CLASS="SECT2" | |
| 185 ><H2 | |
| 186 CLASS="SECT2" | |
| 187 ><A | |
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188 NAME="AEN405" |
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189 ></A |
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190 >Play an entire CD</H2 |
| 0 | 191 ><P |
| 192 ><PRE | |
| 193 CLASS="PROGRAMLISTING" | |
| 194 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
| 195 | |
| 196 // Play entire CD: | |
| 197 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
| 198 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
| 199 | |
| 200 // Play last track: | |
| 201 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
| 202 SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0); | |
| 203 } | |
| 204 | |
| 205 // Play first and second track and 10 seconds of third track: | |
| 206 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
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207 SDL_CDPlayTracks(cdrom, 0, 0, 2, CD_FPS * 10);</PRE |
| 0 | 208 ></P |
| 209 ></DIV | |
| 210 ></DIV | |
| 211 ><DIV | |
| 212 CLASS="NAVFOOTER" | |
| 213 ><HR | |
| 214 ALIGN="LEFT" | |
| 215 WIDTH="100%"><TABLE | |
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216 SUMMARY="Footer navigation table" |
| 0 | 217 WIDTH="100%" |
| 218 BORDER="0" | |
| 219 CELLPADDING="0" | |
| 220 CELLSPACING="0" | |
| 221 ><TR | |
| 222 ><TD | |
| 223 WIDTH="33%" | |
| 224 ALIGN="left" | |
| 225 VALIGN="top" | |
| 226 ><A | |
| 227 HREF="guideaudioexamples.html" | |
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228 ACCESSKEY="P" |
| 0 | 229 >Prev</A |
| 230 ></TD | |
| 231 ><TD | |
| 232 WIDTH="34%" | |
| 233 ALIGN="center" | |
| 234 VALIGN="top" | |
| 235 ><A | |
| 236 HREF="index.html" | |
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237 ACCESSKEY="H" |
| 0 | 238 >Home</A |
| 239 ></TD | |
| 240 ><TD | |
| 241 WIDTH="33%" | |
| 242 ALIGN="right" | |
| 243 VALIGN="top" | |
| 244 ><A | |
| 245 HREF="guidetimeexamples.html" | |
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246 ACCESSKEY="N" |
| 0 | 247 >Next</A |
| 248 ></TD | |
| 249 ></TR | |
| 250 ><TR | |
| 251 ><TD | |
| 252 WIDTH="33%" | |
| 253 ALIGN="left" | |
| 254 VALIGN="top" | |
| 255 >Audio Examples</TD | |
| 256 ><TD | |
| 257 WIDTH="34%" | |
| 258 ALIGN="center" | |
| 259 VALIGN="top" | |
| 260 ><A | |
| 261 HREF="guideexamples.html" | |
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262 ACCESSKEY="U" |
| 0 | 263 >Up</A |
| 264 ></TD | |
| 265 ><TD | |
| 266 WIDTH="33%" | |
| 267 ALIGN="right" | |
| 268 VALIGN="top" | |
| 269 >Time Examples</TD | |
| 270 ></TR | |
| 271 ></TABLE | |
| 272 ></DIV | |
| 273 ></BODY | |
| 274 ></HTML | |
| 275 > |