symbian-qemu-0.9.1-12/libsdl-trunk/docs/html/cdrom.html
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
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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>CD-ROM</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="SDL Reference"
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HREF="reference.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_CloseAudio"
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HREF="sdlcloseaudio.html"><LINK
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REL="NEXT"
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TITLE="SDL_CDNumDrives"
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HREF="sdlcdnumdrives.html"><META
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NAME="KEYWORD"
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CONTENT="cdrom"><META
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NAME="KEYWORD"
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CONTENT="function"></HEAD
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><BODY
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CLASS="CHAPTER"
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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="sdlcloseaudio.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="sdlcdnumdrives.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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><DIV
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CLASS="CHAPTER"
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><H1
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><A
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NAME="CDROM"
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></A
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>Chapter 11. CD-ROM</H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="sdlcdnumdrives.html"
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>SDL_CDNumDrives</A
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>&nbsp;--&nbsp;Returns the number of CD-ROM drives on the system.</DT
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><DT
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><A
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HREF="sdlcdname.html"
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>SDL_CDName</A
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>&nbsp;--&nbsp;Returns a human-readable, system-dependent identifier for the CD-ROM.</DT
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><DT
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><A
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HREF="sdlcdopen.html"
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>SDL_CDOpen</A
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>&nbsp;--&nbsp;Opens a CD-ROM drive for access.</DT
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><DT
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><A
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HREF="sdlcdstatus.html"
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>SDL_CDStatus</A
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>&nbsp;--&nbsp;Returns the current status of the given drive.</DT
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><DT
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><A
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HREF="sdlcdplay.html"
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>SDL_CDPlay</A
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>&nbsp;--&nbsp;Play a CD</DT
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><DT
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><A
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HREF="sdlcdplaytracks.html"
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>SDL_CDPlayTracks</A
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>&nbsp;--&nbsp;Play the given CD track(s)</DT
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><DT
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><A
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HREF="sdlcdpause.html"
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>SDL_CDPause</A
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>&nbsp;--&nbsp;Pauses a CDROM</DT
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   124
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   125
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   126
HREF="sdlcdresume.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   127
>SDL_CDResume</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   128
>&nbsp;--&nbsp;Resumes a CDROM</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   129
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   130
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   131
HREF="sdlcdstop.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   132
>SDL_CDStop</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   133
>&nbsp;--&nbsp;Stops a CDROM</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   134
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   135
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   136
HREF="sdlcdeject.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   137
>SDL_CDEject</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   138
>&nbsp;--&nbsp;Ejects a CDROM</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   139
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   140
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   141
HREF="sdlcdclose.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   142
>SDL_CDClose</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   143
>&nbsp;--&nbsp;Closes a SDL_CD handle</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   144
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   145
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   146
HREF="sdlcd.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   147
>SDL_CD</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   148
>&nbsp;--&nbsp;CDROM Drive Information</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   149
><DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   150
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   151
HREF="sdlcdtrack.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   152
>SDL_CDtrack</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   153
>&nbsp;--&nbsp;CD Track Information Structure</DT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   154
></DL
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   155
></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   156
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   157
>SDL supports audio control of up to 32 local CD-ROM drives at once.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   158
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   159
>You use this API to perform all the basic functions of a CD player,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   160
including listing the tracks, playing, stopping, and ejecting the CD-ROM.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   161
(Currently, multi-changer CD drives are not supported.)</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   162
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   163
>Before you call any of the SDL CD-ROM functions, you must first call
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   164
"<TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   165
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   166
>SDL_Init(SDL_INIT_CDROM)</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   167
>", which scans the system for
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   168
CD-ROM drives, and sets the program up for audio control.  Check the 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   169
return code, which should be <SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   170
CLASS="RETURNVALUE"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   171
>0</SPAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   172
>, to see if there 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   173
were any errors in starting up.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   174
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   175
>After you have initialized the library, you can find out how many drives
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   176
are available using the <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   177
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   178
>SDL_CDNumDrives()</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   179
> function.  
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   180
The first drive listed is the system default CD-ROM drive.  After you have 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   181
chosen a drive, and have opened it with <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   182
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   183
>SDL_CDOpen()</TT
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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diff changeset
   185
you can check the status and start playing if there's a CD in the drive.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   186
><P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   187
>A CD-ROM is organized into one or more tracks, each consisting of a certain
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   188
number of "frames".  Each frame is ~2K in size, and at normal playing speed,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   189
a CD plays 75 frames per second.  SDL works with the number of frames on a
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   190
CD, but this can easily be converted to the more familiar minutes/seconds
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   191
format by using the <TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   192
CLASS="FUNCTION"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   193
>FRAMES_TO_MSF()</TT
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   194
> macro.</P
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   195
></DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   196
><DIV
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   197
CLASS="NAVFOOTER"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   198
><HR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   199
ALIGN="LEFT"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   200
WIDTH="100%"><TABLE
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   201
SUMMARY="Footer navigation table"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   202
WIDTH="100%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   203
BORDER="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   204
CELLPADDING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   205
CELLSPACING="0"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   206
><TR
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   207
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   208
WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   209
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   210
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   211
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   212
HREF="sdlcloseaudio.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   213
ACCESSKEY="P"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   214
>Prev</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   215
></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   216
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   217
WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   218
ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   219
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   220
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   221
HREF="index.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   222
ACCESSKEY="H"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   223
>Home</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   224
></TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   225
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   226
WIDTH="33%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   227
ALIGN="right"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   228
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   229
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   230
HREF="sdlcdnumdrives.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   231
ACCESSKEY="N"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   232
>Next</A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   233
></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
   238
ALIGN="left"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   239
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   240
>SDL_CloseAudio</TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   241
><TD
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   242
WIDTH="34%"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   243
ALIGN="center"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   244
VALIGN="top"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   245
><A
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   246
HREF="reference.html"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   247
ACCESSKEY="U"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   248
>Up</A
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