Mercurial > sdl-ios-xcode
diff docs/html/sdlcd.html @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
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children | 55f1f1b3e27d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/docs/html/sdlcd.html Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,351 @@ +<HTML +><HEAD +><TITLE +>SDL_CD</TITLE +><META +NAME="GENERATOR" +CONTENT="Modular DocBook HTML Stylesheet Version 1.61 +"><LINK +REL="HOME" +TITLE="SDL Library Documentation" +HREF="index.html"><LINK +REL="UP" +TITLE="CD-ROM" +HREF="cdrom.html"><LINK +REL="PREVIOUS" +TITLE="SDL_CDClose" +HREF="sdlcdclose.html"><LINK +REL="NEXT" +TITLE="SDL_CDtrack" +HREF="sdlcdtrack.html"></HEAD +><BODY +CLASS="REFENTRY" +BGCOLOR="#FFF8DC" +TEXT="#000000" +LINK="#0000ee" +VLINK="#551a8b" +ALINK="#ff0000" +><DIV +CLASS="NAVHEADER" +><TABLE +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TH +COLSPAN="3" +ALIGN="center" +>SDL Library Documentation</TH +></TR +><TR +><TD +WIDTH="10%" +ALIGN="left" +VALIGN="bottom" +><A +HREF="sdlcdclose.html" +>Prev</A +></TD +><TD +WIDTH="80%" +ALIGN="center" +VALIGN="bottom" +></TD +><TD +WIDTH="10%" +ALIGN="right" +VALIGN="bottom" +><A +HREF="sdlcdtrack.html" +>Next</A +></TD +></TR +></TABLE +><HR +ALIGN="LEFT" +WIDTH="100%"></DIV +><H1 +><A +NAME="SDLCD" +>SDL_CD</A +></H1 +><DIV +CLASS="REFNAMEDIV" +><A +NAME="AEN6941" +></A +><H2 +>Name</H2 +>SDL_CD -- CDROM Drive Information</DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN6944" +></A +><H2 +>Structure Definition</H2 +><PRE +CLASS="PROGRAMLISTING" +>typedef struct{ + int id; + CDstatus status; + int numtracks; + int cur_track; + int cur_frame; + SDL_CDtrack track[SDL_MAX_TRACKS+1]; +} SDL_CD;</PRE +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN6947" +></A +><H2 +>Structure Data</H2 +><DIV +CLASS="INFORMALTABLE" +><A +NAME="AEN6949" +></A +><P +></P +><TABLE +BORDER="0" +CLASS="CALSTABLE" +><TBODY +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>id</I +></TT +></TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Private drive identifier</TD +></TR +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>status</I +></TT +></TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Drive <A +HREF="sdlcdstatus.html" +>status</A +></TD +></TR +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>numtracks</I +></TT +></TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Number of tracks on the CD</TD +></TR +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>cur_track</I +></TT +></TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Current track</TD +></TR +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>cur_frame</I +></TT +></TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Current frame offset within the track</TD +></TR +><TR +><TD +ALIGN="LEFT" +VALIGN="TOP" +><TT +CLASS="STRUCTFIELD" +><I +>track</I +></TT +>[SDL_MAX_TRACKS+1]</TD +><TD +ALIGN="LEFT" +VALIGN="TOP" +>Array of track descriptions. (see <A +HREF="sdlcdtrack.html" +><SPAN +CLASS="STRUCTNAME" +>SDL_CDtrack</SPAN +></A +>)</TD +></TR +></TBODY +></TABLE +><P +></P +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN6979" +></A +><H2 +>Description</H2 +><P +>An <SPAN +CLASS="STRUCTNAME" +>SDL_CD</SPAN +> structure is returned by <A +HREF="sdlcdopen.html" +><TT +CLASS="FUNCTION" +>SDL_CDOpen</TT +></A +>. It represents an opened CDROM device and stores information on the layout of the tracks on the disc.</P +><P +>A frame is the base data unit of a CD. <TT +CLASS="LITERAL" +>CD_FPS</TT +> frames is equal to 1 second of music. SDL provides two macros for converting between time and frames: <TT +CLASS="LITERAL" +>FRAMES_TO_MSF(f, M,S,F)</TT +> and <TT +CLASS="LITERAL" +>MSF_TO_FRAMES</TT +>.</P +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN6989" +></A +><H2 +>Examples</H2 +><PRE +CLASS="PROGRAMLISTING" +>int min, sec, frame; +int frame_offset; + +FRAMES_TO_MSF(cdrom->cur_frame, &min, &sec, &frame); +printf("Current Position: %d minutes, %d seconds, %d frames\n", min, sec, frame); + +frame_offset=MSF_TO_FRAMES(min, sec, frame);</PRE +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN6992" +></A +><H2 +>See Also</H2 +><P +><A +HREF="sdlcdopen.html" +><TT +CLASS="FUNCTION" +>SDL_CDOpen</TT +></A +>, +<A +HREF="sdlcdtrack.html" +><SPAN +CLASS="STRUCTNAME" +>SDL_CDtrack</SPAN +></A +></P +></DIV +><DIV +CLASS="NAVFOOTER" +><HR +ALIGN="LEFT" +WIDTH="100%"><TABLE +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +><A +HREF="sdlcdclose.html" +>Prev</A +></TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="index.html" +>Home</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +><A +HREF="sdlcdtrack.html" +>Next</A +></TD +></TR +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +>SDL_CDClose</TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="cdrom.html" +>Up</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +>SDL_CDtrack</TD +></TR +></TABLE +></DIV +></BODY +></HTML +> \ No newline at end of file