symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/sdlcdstatus.html
author John Kern <johnk@symbian.org>
Tue, 08 Dec 2009 11:07:49 -0800
changeset 23 8374da225e88
parent 1 2fb8b9db1c86
permissions -rw-r--r--
fix for S^2 builds
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<HTML
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><HEAD
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><TITLE
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>SDL_CDStatus</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="CD-ROM"
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HREF="cdrom.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_CDOpen"
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HREF="sdlcdopen.html"><LINK
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REL="NEXT"
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TITLE="SDL_CDPlay"
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HREF="sdlcdplay.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlcdopen.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlcdplay.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLCDSTATUS"
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></A
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>SDL_CDStatus</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN7308"
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></A
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><H2
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>Name</H2
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>SDL_CDStatus&nbsp;--&nbsp;Returns the current status of the given drive.</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN7311"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN7312"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>CDstatus <B
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CLASS="FSFUNC"
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>SDL_CDStatus</B
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></CODE
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>(SDL_CD *cdrom);</CODE
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>/* Given a status, returns true if there's a disk in the drive */
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#define CD_INDRIVE(status)      ((int)status &#62; 0)</PRE
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN7319"
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></A
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><H2
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>Description</H2
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><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>This function returns the current status of the given drive. Status is described like so:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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<PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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CLASS="PROGRAMLISTING"
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>typedef enum {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  CD_TRAYEMPTY,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  CD_STOPPED,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  CD_PLAYING,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  CD_PAUSED,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  CD_ERROR = -1
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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} CDstatus;</PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>If the drive has a CD in it, the table of contents of the CD and current
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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play position of the CD will be stored in the SDL_CD structure.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>The macro <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   143
CLASS="LITERAL"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>CD_INDRIVE</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   145
> is provided for convenience, 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   146
and given a status returns true if there's a disk in the drive.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   148
CLASS="NOTE"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><BLOCKQUOTE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   150
CLASS="NOTE"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   151
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   153
>Note: </B
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   155
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   156
>SDL_CDStatus</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   157
> also updates the <A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   158
HREF="sdlcd.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   159
><SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   160
CLASS="STRUCTNAME"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   161
>SDL_CD</SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   162
></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   163
> structure passed to it.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></BLOCKQUOTE
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></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   166
></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   167
><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   168
CLASS="REFSECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   170
NAME="AEN7331"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   172
><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>Example</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   175
CLASS="PROGRAMLISTING"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   176
>int playTrack(int track)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   177
{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   178
  int playing = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   179
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   180
  if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   181
  /* clamp to the actual number of tracks on the CD */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   182
    if (track &#62;= cdrom-&#62;numtracks) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   183
      track = cdrom-&#62;numtracks-1;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   184
    }
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   185
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   186
    if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   187
      playing = 1;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   188
    }
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   189
  }
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   190
  return playing;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   191
}</PRE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   192
></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   193
><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   194
CLASS="REFSECT1"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   195
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   196
NAME="AEN7334"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   197
></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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diff changeset
   198
><H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   199
>See Also</H2
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   200
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   201
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   202
HREF="sdlcd.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   203
><TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   204
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   205
>SDL_CD</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   206
></A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   207
></P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   208
></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   209
><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   210
CLASS="NAVFOOTER"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   211
><HR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   212
ALIGN="LEFT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   213
WIDTH="100%"><TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   214
SUMMARY="Footer navigation table"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   215
WIDTH="100%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   216
BORDER="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   217
CELLPADDING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   218
CELLSPACING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   219
><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   220
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   221
WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   222
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   223
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   224
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   225
HREF="sdlcdopen.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   226
ACCESSKEY="P"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   227
>Prev</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   228
></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   229
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   230
WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   231
ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   232
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   233
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   234
HREF="index.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   235
ACCESSKEY="H"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   236
>Home</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   237
></TD
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   243
HREF="sdlcdplay.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   244
ACCESSKEY="N"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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>Next</A
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   246
></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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></TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   251
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   253
>SDL_CDOpen</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="cdrom.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>SDL_CDPlay</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>