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1 | <HTML |
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3 | ><TITLE |
4 | >SDL_CDPlayTracks</TITLE |
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13 | TITLE="CD-ROM" |
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16 | TITLE="SDL_CDPlay" |
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40 | >SDL Library Documentation</TH |
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42 | ><TR |
43 | ><TD |
44 | WIDTH="10%" |
45 | ALIGN="left" |
46 | VALIGN="bottom" |
47 | ><A |
48 | HREF="sdlcdplay.html" |
49 | ACCESSKEY="P" |
50 | >Prev</A |
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62 | HREF="sdlcdpause.html" |
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69 | ALIGN="LEFT" |
70 | WIDTH="100%"></DIV |
71 | ><H1 |
72 | ><A |
73 | NAME="SDLCDPLAYTRACKS" |
74 | ></A |
75 | >SDL_CDPlayTracks</H1 |
76 | ><DIV |
77 | CLASS="REFNAMEDIV" |
78 | ><A |
79 | NAME="AEN7375" |
80 | ></A |
81 | ><H2 |
82 | >Name</H2 |
83 | >SDL_CDPlayTracks -- Play the given CD track(s)</DIV |
84 | ><DIV |
85 | CLASS="REFSYNOPSISDIV" |
86 | ><A |
87 | NAME="AEN7378" |
88 | ></A |
89 | ><H2 |
90 | >Synopsis</H2 |
91 | ><DIV |
92 | CLASS="FUNCSYNOPSIS" |
93 | ><A |
94 | NAME="AEN7379" |
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 | >int <B |
106 | CLASS="FSFUNC" |
107 | >SDL_CDPlayTracks</B |
108 | ></CODE |
109 | >(SDL_CD *cdrom, int start_track, int start_frame, int ntracks, int nframes));</CODE |
110 | ></P |
111 | ><P |
112 | ></P |
113 | ></DIV |
114 | ></DIV |
115 | ><DIV |
116 | CLASS="REFSECT1" |
117 | ><A |
118 | NAME="AEN7385" |
119 | ></A |
120 | ><H2 |
121 | >Description</H2 |
122 | ><P |
123 | ><TT |
124 | CLASS="FUNCTION" |
125 | >SDL_CDPlayTracks</TT |
126 | > plays the given CD starting at track |
127 | <TT |
128 | CLASS="PARAMETER" |
129 | ><I |
130 | >start_track</I |
131 | ></TT |
132 | >, for <TT |
133 | CLASS="PARAMETER" |
134 | ><I |
135 | >ntracks</I |
136 | ></TT |
137 | > tracks. </P |
138 | ><P |
139 | ><TT |
140 | CLASS="PARAMETER" |
141 | ><I |
142 | >start_frame</I |
143 | ></TT |
144 | > is the frame offset, from the beginning of the <TT |
145 | CLASS="PARAMETER" |
146 | ><I |
147 | >start_track</I |
148 | ></TT |
149 | >, at which to start. <TT |
150 | CLASS="PARAMETER" |
151 | ><I |
152 | >nframes</I |
153 | ></TT |
154 | > is the frame offset, from the beginning of the last track (<TT |
155 | CLASS="PARAMETER" |
156 | ><I |
157 | >start_track</I |
158 | ></TT |
159 | >+<TT |
160 | CLASS="PARAMETER" |
161 | ><I |
162 | >ntracks</I |
163 | ></TT |
164 | >), at which to end playing.</P |
165 | ><P |
166 | ><TT |
167 | CLASS="FUNCTION" |
168 | >SDL_CDPlayTracks</TT |
169 | > should only be called after calling |
170 | <A |
171 | HREF="sdlcdstatus.html" |
172 | ><TT |
173 | CLASS="FUNCTION" |
174 | >SDL_CDStatus</TT |
175 | ></A |
176 | > |
177 | to get track information about the CD.</P |
178 | ><DIV |
179 | CLASS="NOTE" |
180 | ><BLOCKQUOTE |
181 | CLASS="NOTE" |
182 | ><P |
183 | ><B |
184 | >Note: </B |
185 | >Data tracks are ignored.</P |
186 | ></BLOCKQUOTE |
187 | ></DIV |
188 | ></DIV |
189 | ><DIV |
190 | CLASS="REFSECT1" |
191 | ><A |
192 | NAME="AEN7403" |
193 | ></A |
194 | ><H2 |
195 | >Return Value</H2 |
196 | ><P |
197 | >Returns <SPAN |
198 | CLASS="RETURNVALUE" |
199 | >0</SPAN |
200 | >, or <SPAN |
201 | CLASS="RETURNVALUE" |
202 | >-1</SPAN |
203 | > |
204 | if there was an error.</P |
205 | ></DIV |
206 | ><DIV |
207 | CLASS="REFSECT1" |
208 | ><A |
209 | NAME="AEN7408" |
210 | ></A |
211 | ><H2 |
212 | >Examples</H2 |
213 | ><P |
214 | ><PRE |
215 | CLASS="PROGRAMLISTING" |
216 | >/* assuming cdrom is a previously opened device */ |
217 | /* Play the entire CD */ |
218 | if(CD_INDRIVE(SDL_CDStatus(cdrom))) |
219 | SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); |
220 | |
221 | /* Play the first track */ |
222 | if(CD_INDRIVE(SDL_CDStatus(cdrom))) |
223 | SDL_CDPlayTracks(cdrom, 0, 0, 1, 0); |
224 | |
225 | /* Play first 15 seconds of the 2nd track */ |
226 | if(CD_INDRIVE(SDL_CDStatus(cdrom))) |
227 | SDL_CDPlayTracks(cdrom, 1, 0, 0, CD_FPS*15);</PRE |
228 | > |
229 | </P |
230 | ></DIV |
231 | ><DIV |
232 | CLASS="REFSECT1" |
233 | ><A |
234 | NAME="AEN7412" |
235 | ></A |
236 | ><H2 |
237 | >See Also</H2 |
238 | ><P |
239 | ><A |
240 | HREF="sdlcdplay.html" |
241 | ><TT |
242 | CLASS="FUNCTION" |
243 | >SDL_CDPlay</TT |
244 | ></A |
245 | >, |
246 | <A |
247 | HREF="sdlcdstatus.html" |
248 | ><TT |
249 | CLASS="FUNCTION" |
250 | >SDL_CDStatus</TT |
251 | ></A |
252 | >, |
253 | <A |
254 | HREF="sdlcd.html" |
255 | ><TT |
256 | CLASS="FUNCTION" |
257 | >SDL_CD</TT |
258 | ></A |
259 | ></P |
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297 | >Next</A |
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304 | VALIGN="top" |
305 | >SDL_CDPlay</TD |
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311 | HREF="cdrom.html" |
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313 | >Up</A |
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315 | ><TD |
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319 | >SDL_CDPause</TD |
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