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<HTML
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>Entertainment</TITLE
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><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="ENTERTAINMENT"
>8. Entertainment</A
></H1
><P
>	While Emacs provides lots of applications and functionality to
	help get work done, it also provides a medium to play
	games, listen to music, and do other fun activities.
	</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="BURNING-A-CD"
>8.1. Burning a CD</A
></H2
><P
>	It's become almost necessary to have a CD burner these days,
	especially if you want to download iso images to install new
	versions of Linux. The <SPAN
CLASS="APPLICATION"
>cdrecord</SPAN
>
	application is the
	recommended tool for burning both audio and data CDs, and it
	is included in many distributions. However, if you'd like to
	get the latest version, go to <A
HREF="http://www.fokus.gmd.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html"
TARGET="_top"
>http://www.fokus.gmd.de/research/cc/glone/employees/joerg.schilling/private/cdrecord.html</A
>.
	</P
><P
>	<SPAN
CLASS="APPLICATION"
>cdrecord</SPAN
> is a command-line
	application, so you'll need to open an Emacs command shell
	(<B
CLASS="COMMAND"
>M-x shell</B
>) to use it.
	</P
><P
>	The complete directions on how to use
	<SPAN
CLASS="APPLICATION"
>cdrecord</SPAN
> burn a CD are beyond the
	scope of this document; however Winfried Trmper wrote an
	excellent HOWTO on making both data and audio CDs, which is
	available at <A
HREF="http://www.linuxdoc.org/HOWTO/CD-Writing-HOWTO.html"
TARGET="_top"
>http://www.linuxdoc.org/HOWTO/CD-Writing-HOWTO.html</A
>. If
	you are new to burning CDs in Linux, this document is
	indispensable. 
	</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="PLAYING-CDS"
>8.2. Playing CDs</A
></H2
><P
>	The best tool for playing CDs in Emacs is
	<SPAN
CLASS="APPLICATION"
>cd-tool</SPAN
>. An Emacspeak-enabled
	version is included with your Emacspeak
	distribution. 
	</P
><P
>	All of the commands that control
	<SPAN
CLASS="APPLICATION"
>cd-tool</SPAN
> must be prefaced by the
	command <B
CLASS="COMMAND"
>M-x cd-tool</B
>. After you type this, you will be
	prompted to enter the command to execute.  For example, if you
	wanted to start playing a CD, you would type <B
CLASS="COMMAND"
>M-x
	cd-tool</B
>, then at the prompt type
	<B
CLASS="COMMAND"
>p</B
> (for 'play'). The CD will then start
	playing.
	</P
><P
>	The commands for <SPAN
CLASS="APPLICATION"
>cd-tool</SPAN
> are listed
	below:
	</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><B
CLASS="COMMAND"
>p</B
></DT
><DD
><P
>					Play the CD.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>=</B
></DT
><DD
><P
>					Play the CD in random order (shuffle).
					</P
></DD
><DT
><B
CLASS="COMMAND"
>+</B
></DT
><DD
><P
>					Skip to the next track.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>-</B
></DT
><DD
><P
>					Return to the previous track.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>SPC</B
></DT
><DD
><P
>					Pause or resume play.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>i</B
></DT
><DD
><P
>					Show the CD info.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>s</B
></DT
><DD
><P
>					Stop playing the CD.
					</P
></DD
><DT
><B
CLASS="COMMAND"
>e</B
></DT
><DD
><P
>					Eject the CD (must be stopped).
					</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="MP3S"
>8.3. Playing mp3s</A
></H2
><P
>	To play an mp3 music file, you'll need the application
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>.  Although the application is included in a number of
	distributions, the standard version is not Emacs-native, so
	you'll need to download an install the Emacs-enabled
	version. You can download the file
	<TT
CLASS="FILENAME"
>mpg123-el-1.24-1.tar.gz</TT
> (the latest
	Emacs-enabled version) from Debian at <A
HREF="http://http.us.debian.org/debian/pool/main/m/mpg123-el/mpg123-el_1.24-1.tar.gz"
TARGET="_top"
>http://http.us.debian.org/debian/pool/main/m/mpg123-el/mpg123-el_1.24-1.tar.gz</A
>.  
	</P
><P
>	Once you've downloaded the file, you'll need to install it
	using the following steps:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Open an Emacs shell using the command
			<B
CLASS="COMMAND"
>M-x shell</B
>.
			</P
></LI
><LI
><P
>			Change directories to the directory containing
			the new file.
			</P
></LI
><LI
><P
>			Unzip the file using the
			command <B
CLASS="COMMAND"
>gunzip
			mpg123-el-1.24-1.tar.gz</B
>.
			</P
></LI
><LI
><P
>			Untar the resulting
			<TT
CLASS="FILENAME"
>mpg123-el-1.24-1.tar</TT
>
			file using the command <B
CLASS="COMMAND"
>tar -xvf
			mpg123-el-1.24-1.tar</B
>. 
			</P
></LI
><LI
><P
>			Change directories into the resulting
			<TT
CLASS="FILENAME"
>mpg123-el-1.24-1.tar</TT
>
			directory. In this directory, you'll see the
			<TT
CLASS="FILENAME"
>mpg123.el</TT
> file. Copy this
			file into the
			<TT
CLASS="FILENAME"
>/usr/shar/emacs/site-lisp</TT
> directory.
			</P
></LI
><LI
><P
>			Open your <TT
CLASS="FILENAME"
>.emacs</TT
> file and
			add the following line:
			</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="90%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>			(autoload 'mpg123 "mpg123" "A Front-end to
			mpg123" t)
			</PRE
></FONT
></TD
></TR
></TABLE
></LI
><LI
><P
>			Save and close your
			<TT
CLASS="FILENAME"
>.emacs</TT
> file. Then restart
			Emacs so that the changes will take effect.
			</P
></LI
></OL
><P
>	To start playing mp3s, use the command <B
CLASS="COMMAND"
>M-x
	mpg123</B
>.  You'll be asked for a file name to play.
	Type in the name of the mp3 to play, then press Return. It
	should start playing immediately.
	</P
><P
>	There are a number of commands that can be used with
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>; a few of the more commonly
	used ones are listed below:
	</P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><B
CLASS="COMMAND"
>SPC</B
></DT
><DD
><P
>					Play or pause
					</P
></DD
><DT
><B
CLASS="COMMAND"
>RET</B
></DT
><DD
><P
>					Play
					</P
></DD
><DT
><B
CLASS="COMMAND"
>V</B
></DT
><DD
><P
>					Volume up
					</P
></DD
><DT
><B
CLASS="COMMAND"
>v</B
></DT
><DD
><P
>					Volume down
					</P
></DD
><DT
><B
CLASS="COMMAND"
>q</B
></DT
><DD
><P
>					Quit
					</P
></DD
></DL
></DIV
><P
>	For a full list of <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
> commands,
	you can scroll up and down within the application to have them
	read aloud.
	</P
><P
>	One note about volume in <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>: in
	my tests, I found that often the system volume would go way
	down when I started <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>, to the
	point where I could barely hear it. If I exited
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>, the volume in Emacspeak would continue
	to be extremely low, regardless of how it was set before I
	started <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>.  However, if I
	turned up the volume while in
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>, not only was it at an
	acceptable level in <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>, it was
	also loud after I quit <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>.
	</P
><P
>	Another problem that I noticed when using
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
> is that sometimes when you
	quit the application, it doesn't seem to relinquish control of
	the sound card. You'll see evidence of this behavior if you
	try to play a CD or restart <SPAN
CLASS="APPLICATION"
>mpg123</SPAN
>
	- you'll get an error message saying that your sound card is
	busy or that it's not installed correctly. If you check the
	list of open Emacs buffers, you'll see that
	<SPAN
CLASS="APPLICATION"
>mpg123</SPAN
> is still there, although
	it's apparently in a questionable state. I have not yet
	figured out how to remedy this problem; if anyone has any
	suggestions, please let me know so it can be added to the
	HOWTO. 
	</P
><P
>	If you find yourself listening to a lot of MP3s, there is an
	mp3 jukebox written by Karl Dahlke available at <A
HREF="http://www.eklhad.net/linux/app/jukebox"
TARGET="_top"
>http://www.eklhad.net/linux/app/jukebox</A
>, and a
	sample config file for the jukebox at <A
HREF="http://www.eklhad.net/linux/app/sample.jukerc"
TARGET="_top"
>http://www.eklhad.net/linux/app/sample.jukerc</A
>.
	At the time of writing, the jukebox was in version 1.0.
	</P
><P
>	If you want to rip your own MP3s, under Linux it is a
	two step process.  The first step is to convert the tracks on
	an audio CD to <TT
CLASS="FILENAME"
>.wav</TT
> format, then convert
	the <TT
CLASS="FILENAME"
>.wav</TT
> files to MP3s. There is a great
	web page by Nathan Robertson on how to do this, located at
	<A
HREF="http://www.nathanr.net/thisout/articles/linux-mp3/"
TARGET="_top"
>http://www.nathanr.net/thisout/articles/linux-mp3/</A
>.
	</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="PLAYING-A-GAME"
>8.4. Playing games</A
></H2
><P
>	Emacs has a number of popular games built into it, including
	Solitaire, Tetris, Dunnet (a text-based adventure game) and
	Gomoku.  For a
	complete listing of games:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Type <B
CLASS="COMMAND"
>C-h p</B
>. A list of the
			available Emacs packages opens in the buffer.
			</P
></LI
><LI
><P
>			Scroll down to the games entry, then press
			Enter. A list of all the available games is
			displayed.
			</P
></LI
></OL
><P
>	To start a game:
	</P
><P
></P
><OL
TYPE="1"
><LI
><P
>			Type <B
CLASS="COMMAND"
>M-x</B
>, then the name of
			the game you want to play. For example, to
			play Dunnet, the text-based adventure game,
			you would type <B
CLASS="COMMAND"
>M-x dunnet</B
>.
			But only do this if you have plenty of time to
			spare!
			</P
></LI
></OL
></DIV
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