Mercurial > sdl-ios-xcode
annotate docs/html/guidecdromexamples.html @ 518:300b46757b7a
Fixed compiler warning
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 07 Oct 2002 15:19:34 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
rev | line source |
---|---|
0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >CDROM Examples</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
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="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 | |
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="guideaudioexamples.html" | |
48 >Prev</A | |
49 ></TD | |
50 ><TD | |
51 WIDTH="80%" | |
52 ALIGN="center" | |
53 VALIGN="bottom" | |
54 >Chapter 4. Examples</TD | |
55 ><TD | |
56 WIDTH="10%" | |
57 ALIGN="right" | |
58 VALIGN="bottom" | |
59 ><A | |
60 HREF="guidetimeexamples.html" | |
61 >Next</A | |
62 ></TD | |
63 ></TR | |
64 ></TABLE | |
65 ><HR | |
66 ALIGN="LEFT" | |
67 WIDTH="100%"></DIV | |
68 ><DIV | |
69 CLASS="SECT1" | |
70 ><H1 | |
71 CLASS="SECT1" | |
72 ><A | |
73 NAME="GUIDECDROMEXAMPLES" | |
74 >CDROM Examples</A | |
75 ></H1 | |
76 ><P | |
77 ></P | |
78 ><DIV | |
79 CLASS="SECT2" | |
80 ><H2 | |
81 CLASS="SECT2" | |
82 ><A | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
83 NAME="AEN393" |
0 | 84 >Listing CD-ROM drives</A |
85 ></H2 | |
86 ><P | |
87 ><PRE | |
88 CLASS="PROGRAMLISTING" | |
89 > #include "SDL.h" | |
90 | |
91 /* Initialize SDL first */ | |
92 if ( SDL_Init(SDL_INIT_CDROM) < 0 ) { | |
93 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
94 exit(1); | |
95 } | |
96 atexit(SDL_Quit); | |
97 | |
98 /* Find out how many CD-ROM drives are connected to the system */ | |
99 printf("Drives available: %d\n", SDL_CDNumDrives()); | |
100 for ( i=0; i<SDL_CDNumDrives(); ++i ) { | |
101 printf("Drive %d: \"%s\"\n", i, SDL_CDName(i)); | |
102 }</PRE | |
103 ></P | |
104 ></DIV | |
105 ><DIV | |
106 CLASS="SECT2" | |
107 ><H2 | |
108 CLASS="SECT2" | |
109 ><A | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
110 NAME="AEN397" |
0 | 111 >Opening the default drive</A |
112 ></H2 | |
113 ><P | |
114 ><PRE | |
115 CLASS="PROGRAMLISTING" | |
116 > SDL_CD *cdrom; | |
117 CDstatus status; | |
118 char *status_str; | |
119 | |
120 cdrom = SDL_CDOpen(0); | |
121 if ( cdrom == NULL ) { | |
122 fprintf(stderr, "Couldn't open default CD-ROM drive: %s\n", | |
123 SDL_GetError()); | |
124 exit(2); | |
125 } | |
126 | |
127 status = SDL_CDStatus(cdrom); | |
128 switch (status) { | |
129 case CD_TRAYEMPTY: | |
130 status_str = "tray empty"; | |
131 break; | |
132 case CD_STOPPED: | |
133 status_str = "stopped"; | |
134 break; | |
135 case CD_PLAYING: | |
136 status_str = "playing"; | |
137 break; | |
138 case CD_PAUSED: | |
139 status_str = "paused"; | |
140 break; | |
141 case CD_ERROR: | |
142 status_str = "error state"; | |
143 break; | |
144 } | |
145 printf("Drive status: %s\n", status_str); | |
146 if ( status >= CD_PLAYING ) { | |
147 int m, s, f; | |
148 FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f); | |
149 printf("Currently playing track %d, %d:%2.2d\n", | |
150 cdrom->track[cdrom->cur_track].id, m, s); | |
151 }</PRE | |
152 ></P | |
153 ></DIV | |
154 ><DIV | |
155 CLASS="SECT2" | |
156 ><H2 | |
157 CLASS="SECT2" | |
158 ><A | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
159 NAME="AEN401" |
0 | 160 >Listing the tracks on a CD</A |
161 ></H2 | |
162 ><P | |
163 ><PRE | |
164 CLASS="PROGRAMLISTING" | |
165 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
166 int i; | |
167 int m, s, f; | |
168 | |
169 SDL_CDStatus(cdrom); | |
170 printf("Drive tracks: %d\n", cdrom->numtracks); | |
171 for ( i=0; i<cdrom->numtracks; ++i ) { | |
172 FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f); | |
173 if ( f > 0 ) | |
174 ++s; | |
175 printf("\tTrack (index %d) %d: %d:%2.2d\n", i, | |
176 cdrom->track[i].id, m, s); | |
177 }</PRE | |
178 ></P | |
179 ></DIV | |
180 ><DIV | |
181 CLASS="SECT2" | |
182 ><H2 | |
183 CLASS="SECT2" | |
184 ><A | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
185 NAME="AEN405" |
0 | 186 >Play an entire CD</A |
187 ></H2 | |
188 ><P | |
189 ><PRE | |
190 CLASS="PROGRAMLISTING" | |
191 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
192 | |
193 // Play entire CD: | |
194 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
195 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
196 | |
197 // Play last track: | |
198 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
199 SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0); | |
200 } | |
201 | |
202 // Play first and second track and 10 seconds of third track: | |
203 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
204 SDL_CDPlayTracks(cdrom, 0, 0, 2, CD_FPS * 10);</PRE |
0 | 205 ></P |
206 ></DIV | |
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="guideaudioexamples.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="guidetimeexamples.html" | |
240 >Next</A | |
241 ></TD | |
242 ></TR | |
243 ><TR | |
244 ><TD | |
245 WIDTH="33%" | |
246 ALIGN="left" | |
247 VALIGN="top" | |
248 >Audio Examples</TD | |
249 ><TD | |
250 WIDTH="34%" | |
251 ALIGN="center" | |
252 VALIGN="top" | |
253 ><A | |
254 HREF="guideexamples.html" | |
255 >Up</A | |
256 ></TD | |
257 ><TD | |
258 WIDTH="33%" | |
259 ALIGN="right" | |
260 VALIGN="top" | |
261 >Time Examples</TD | |
262 ></TR | |
263 ></TABLE | |
264 ></DIV | |
265 ></BODY | |
266 ></HTML | |
267 > |