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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 55f1f1b3e27d
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-1:000000000000 0:74212992fb08
1 <HTML
2 ><HEAD
3 ><TITLE
4 >SDL_CDOpen</TITLE
5 ><META
6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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_CDName"
17 HREF="sdlcdname.html"><LINK
18 REL="NEXT"
19 TITLE="SDL_CDStatus"
20 HREF="sdlcdstatus.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="sdlcdname.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="sdlcdstatus.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="SDLCDOPEN"
71 >SDL_CDOpen</A
72 ></H1
73 ><DIV
74 CLASS="REFNAMEDIV"
75 ><A
76 NAME="AEN6649"
77 ></A
78 ><H2
79 >Name</H2
80 >SDL_CDOpen&nbsp;--&nbsp;Opens a CD-ROM drive for access.</DIV
81 ><DIV
82 CLASS="REFSYNOPSISDIV"
83 ><A
84 NAME="AEN6652"
85 ></A
86 ><H2
87 >Synopsis</H2
88 ><DIV
89 CLASS="FUNCSYNOPSIS"
90 ><A
91 NAME="AEN6653"
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 >SDL_CD *<B
103 CLASS="FSFUNC"
104 >SDL_CDOpen</B
105 ></CODE
106 >(int drive);</CODE
107 ></P
108 ><P
109 ></P
110 ></DIV
111 ></DIV
112 ><DIV
113 CLASS="REFSECT1"
114 ><A
115 NAME="AEN6659"
116 ></A
117 ><H2
118 >Description</H2
119 ><P
120 >Opens a CD-ROM drive for access. It returns a <A
121 HREF="sdlcd.html"
122 ><SPAN
123 CLASS="STRUCTNAME"
124 >SDL_CD</SPAN
125 ></A
126 > structure on success, or <TT
127 CLASS="LITERAL"
128 >NULL</TT
129 > if the drive was invalid or busy. This newly opened CD-ROM becomes the default CD used when other CD functions are passed a <TT
130 CLASS="LITERAL"
131 >NULL</TT
132 > CD-ROM handle. </P
133 ><P
134 >Drives are numbered starting with 0.
135 Drive 0 is the system default CD-ROM.</P
136 ></DIV
137 ><DIV
138 CLASS="REFSECT1"
139 ><A
140 NAME="AEN6667"
141 ></A
142 ><H2
143 >Examples</H2
144 ><PRE
145 CLASS="PROGRAMLISTING"
146 >SDL_CD *cdrom;
147 int cur_track;
148 int min, sec, frame;
149 SDL_Init(SDL_INIT_CDROM);
150 atexit(SDL_Quit);
151
152 /* Check for CD drives */
153 if(!SDL_CDNumDrives()){
154 /* None found */
155 fprintf(stderr, "No CDROM devices available\n");
156 exit(-1);
157 }
158
159 /* Open the default drive */
160 cdrom=SDL_CDOpen(0);
161
162 /* Did if open? Check if cdrom is NULL */
163 if(!cdrom){
164 fprintf(stderr, "Couldn't open drive: %s\n", SDL_GetError());
165 exit(-1);
166 }
167
168 /* Print Volume info */
169 printf("Name: %s\n", SDL_CDName(0));
170 printf("Tracks: %d\n", cdrom-&#62;numtracks);
171 for(cur_track=0;cur_track &#60; cdrom-&#62;numtracks; cur_track++){
172 FRAMES_TO_MSF(cdrom-&#62;track[cur_track].length, &#38;min, &#38;sec, &#38;frame);
173 printf("\tTrack %d: Length %d:%d\n", cur_track, min, sec);
174 }
175
176 SDL_CDClose(cdrom);</PRE
177 ></DIV
178 ><DIV
179 CLASS="REFSECT1"
180 ><A
181 NAME="AEN6670"
182 ></A
183 ><H2
184 >See Also</H2
185 ><P
186 ><A
187 HREF="sdlcd.html"
188 ><SPAN
189 CLASS="STRUCTNAME"
190 >SDL_CD</SPAN
191 ></A
192 >,
193 <A
194 HREF="sdlcdtrack.html"
195 ><SPAN
196 CLASS="STRUCTNAME"
197 >SDL_CDtrack</SPAN
198 ></A
199 >,
200 <A
201 HREF="sdlcdclose.html"
202 ><TT
203 CLASS="FUNCTION"
204 >SDL_CDClose</TT
205 ></A
206 ></P
207 ></DIV
208 ><DIV
209 CLASS="NAVFOOTER"
210 ><HR
211 ALIGN="LEFT"
212 WIDTH="100%"><TABLE
213 WIDTH="100%"
214 BORDER="0"
215 CELLPADDING="0"
216 CELLSPACING="0"
217 ><TR
218 ><TD
219 WIDTH="33%"
220 ALIGN="left"
221 VALIGN="top"
222 ><A
223 HREF="sdlcdname.html"
224 >Prev</A
225 ></TD
226 ><TD
227 WIDTH="34%"
228 ALIGN="center"
229 VALIGN="top"
230 ><A
231 HREF="index.html"
232 >Home</A
233 ></TD
234 ><TD
235 WIDTH="33%"
236 ALIGN="right"
237 VALIGN="top"
238 ><A
239 HREF="sdlcdstatus.html"
240 >Next</A
241 ></TD
242 ></TR
243 ><TR
244 ><TD
245 WIDTH="33%"
246 ALIGN="left"
247 VALIGN="top"
248 >SDL_CDName</TD
249 ><TD
250 WIDTH="34%"
251 ALIGN="center"
252 VALIGN="top"
253 ><A
254 HREF="cdrom.html"
255 >Up</A
256 ></TD
257 ><TD
258 WIDTH="33%"
259 ALIGN="right"
260 VALIGN="top"
261 >SDL_CDStatus</TD
262 ></TR
263 ></TABLE
264 ></DIV
265 ></BODY
266 ></HTML
267 >