e14743d1 |
1 | <HTML |
2 | ><HEAD |
3 | ><TITLE |
4 | >SDL_CDOpen</TITLE |
5 | ><META |
6 | NAME="GENERATOR" |
7 | CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
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 |
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19 | TITLE="SDL_CDStatus" |
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25 | LINK="#0000ee" |
26 | VLINK="#551a8b" |
27 | ALINK="#ff0000" |
28 | ><DIV |
29 | CLASS="NAVHEADER" |
30 | ><TABLE |
31 | SUMMARY="Header navigation table" |
32 | WIDTH="100%" |
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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="sdlcdname.html" |
49 | ACCESSKEY="P" |
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="sdlcdstatus.html" |
63 | ACCESSKEY="N" |
64 | >Next</A |
65 | ></TD |
66 | ></TR |
67 | ></TABLE |
68 | ><HR |
69 | ALIGN="LEFT" |
70 | WIDTH="100%"></DIV |
71 | ><H1 |
72 | ><A |
73 | NAME="SDLCDOPEN" |
74 | ></A |
75 | >SDL_CDOpen</H1 |
76 | ><DIV |
77 | CLASS="REFNAMEDIV" |
78 | ><A |
79 | NAME="AEN7274" |
80 | ></A |
81 | ><H2 |
82 | >Name</H2 |
83 | >SDL_CDOpen -- Opens a CD-ROM drive for access.</DIV |
84 | ><DIV |
85 | CLASS="REFSYNOPSISDIV" |
86 | ><A |
87 | NAME="AEN7277" |
88 | ></A |
89 | ><H2 |
90 | >Synopsis</H2 |
91 | ><DIV |
92 | CLASS="FUNCSYNOPSIS" |
93 | ><A |
94 | NAME="AEN7278" |
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 | >SDL_CD *<B |
106 | CLASS="FSFUNC" |
107 | >SDL_CDOpen</B |
108 | ></CODE |
109 | >(int drive);</CODE |
110 | ></P |
111 | ><P |
112 | ></P |
113 | ></DIV |
114 | ></DIV |
115 | ><DIV |
116 | CLASS="REFSECT1" |
117 | ><A |
118 | NAME="AEN7284" |
119 | ></A |
120 | ><H2 |
121 | >Description</H2 |
122 | ><P |
123 | >Opens a CD-ROM drive for access. It returns a <A |
124 | HREF="sdlcd.html" |
125 | ><SPAN |
126 | CLASS="STRUCTNAME" |
127 | >SDL_CD</SPAN |
128 | ></A |
129 | > structure on success, or <TT |
130 | CLASS="LITERAL" |
131 | >NULL</TT |
132 | > 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 |
133 | CLASS="LITERAL" |
134 | >NULL</TT |
135 | > CD-ROM handle. </P |
136 | ><P |
137 | >Drives are numbered starting with 0. |
138 | Drive 0 is the system default CD-ROM.</P |
139 | ></DIV |
140 | ><DIV |
141 | CLASS="REFSECT1" |
142 | ><A |
143 | NAME="AEN7292" |
144 | ></A |
145 | ><H2 |
146 | >Examples</H2 |
147 | ><PRE |
148 | CLASS="PROGRAMLISTING" |
149 | >SDL_CD *cdrom; |
150 | int cur_track; |
151 | int min, sec, frame; |
152 | SDL_Init(SDL_INIT_CDROM); |
153 | atexit(SDL_Quit); |
154 | |
155 | /* Check for CD drives */ |
156 | if(!SDL_CDNumDrives()){ |
157 | /* None found */ |
158 | fprintf(stderr, "No CDROM devices available\n"); |
159 | exit(-1); |
160 | } |
161 | |
162 | /* Open the default drive */ |
163 | cdrom=SDL_CDOpen(0); |
164 | |
165 | /* Did if open? Check if cdrom is NULL */ |
166 | if(!cdrom){ |
167 | fprintf(stderr, "Couldn't open drive: %s\n", SDL_GetError()); |
168 | exit(-1); |
169 | } |
170 | |
171 | /* Print Volume info */ |
172 | printf("Name: %s\n", SDL_CDName(0)); |
173 | printf("Tracks: %d\n", cdrom->numtracks); |
174 | for(cur_track=0;cur_track < cdrom->numtracks; cur_track++){ |
175 | FRAMES_TO_MSF(cdrom->track[cur_track].length, &min, &sec, &frame); |
176 | printf("\tTrack %d: Length %d:%d\n", cur_track, min, sec); |
177 | } |
178 | |
179 | SDL_CDClose(cdrom);</PRE |
180 | ></DIV |
181 | ><DIV |
182 | CLASS="REFSECT1" |
183 | ><A |
184 | NAME="AEN7295" |
185 | ></A |
186 | ><H2 |
187 | >See Also</H2 |
188 | ><P |
189 | ><A |
190 | HREF="sdlcd.html" |
191 | ><SPAN |
192 | CLASS="STRUCTNAME" |
193 | >SDL_CD</SPAN |
194 | ></A |
195 | >, |
196 | <A |
197 | HREF="sdlcdtrack.html" |
198 | ><SPAN |
199 | CLASS="STRUCTNAME" |
200 | >SDL_CDtrack</SPAN |
201 | ></A |
202 | >, |
203 | <A |
204 | HREF="sdlcdclose.html" |
205 | ><TT |
206 | CLASS="FUNCTION" |
207 | >SDL_CDClose</TT |
208 | ></A |
209 | ></P |
210 | ></DIV |
211 | ><DIV |
212 | CLASS="NAVFOOTER" |
213 | ><HR |
214 | ALIGN="LEFT" |
215 | WIDTH="100%"><TABLE |
216 | SUMMARY="Footer navigation table" |
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218 | BORDER="0" |
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220 | CELLSPACING="0" |
221 | ><TR |
222 | ><TD |
223 | WIDTH="33%" |
224 | ALIGN="left" |
225 | VALIGN="top" |
226 | ><A |
227 | HREF="sdlcdname.html" |
228 | ACCESSKEY="P" |
229 | >Prev</A |
230 | ></TD |
231 | ><TD |
232 | WIDTH="34%" |
233 | ALIGN="center" |
234 | VALIGN="top" |
235 | ><A |
236 | HREF="index.html" |
237 | ACCESSKEY="H" |
238 | >Home</A |
239 | ></TD |
240 | ><TD |
241 | WIDTH="33%" |
242 | ALIGN="right" |
243 | VALIGN="top" |
244 | ><A |
245 | HREF="sdlcdstatus.html" |
246 | ACCESSKEY="N" |
247 | >Next</A |
248 | ></TD |
249 | ></TR |
250 | ><TR |
251 | ><TD |
252 | WIDTH="33%" |
253 | ALIGN="left" |
254 | VALIGN="top" |
255 | >SDL_CDName</TD |
256 | ><TD |
257 | WIDTH="34%" |
258 | ALIGN="center" |
259 | VALIGN="top" |
260 | ><A |
261 | HREF="cdrom.html" |
262 | ACCESSKEY="U" |
263 | >Up</A |
264 | ></TD |
265 | ><TD |
266 | WIDTH="33%" |
267 | ALIGN="right" |
268 | VALIGN="top" |
269 | >SDL_CDStatus</TD |
270 | ></TR |
271 | ></TABLE |
272 | ></DIV |
273 | ></BODY |
274 | ></HTML |
275 | > |