350 lines
5.3 KiB
HTML
350 lines
5.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Using independent sound cards </TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="XFree Local Multi-User HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Tweaking it"
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HREF="automation.html"><LINK
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REL="PREVIOUS"
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TITLE="Tweaking it"
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HREF="automation.html"><LINK
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REL="NEXT"
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TITLE="Customising the login screen"
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HREF="automation_login_screen.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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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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>XFree Local Multi-User HOWTO</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="automation.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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>Chapter 7. Tweaking it</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="automation_login_screen.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="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="automation_multy_snd-cards"
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></A
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>7.1. Using independent sound cards</H1
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><DIV
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CLASS="note"
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><P
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></P
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><TABLE
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CLASS="note"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TH
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ALIGN="LEFT"
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VALIGN="CENTER"
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><B
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>Note</B
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></TH
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></TR
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><TR
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><TD
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> </TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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>In case you do not use devfs, you may need to create additional device files. Take a look at <A
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HREF="http://www.tldp.org/HOWTO/Sound-HOWTO/index.html"
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TARGET="_top"
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>The Linux Sound HOWTO</A
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>, for information on how to setup additional sound cards.</P
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="AEN1190"
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></A
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>7.1.1. Using aRts daemon</H2
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><P
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>We have to specify different sound devices for the different Xsessions/Displays. This is done by using the following options of aRts daemon (<A
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HREF="http://www.arts-project.org/"
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TARGET="_top"
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>http://www.arts-project.org/</A
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>):</P
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><P
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></P
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><UL
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><LI
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><P
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>By OSS-free sound driver:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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>-D /dev/dsp[n]</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>where n is the number of the sound card.</P
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></LI
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><LI
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><P
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>By Alsa sound driver:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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>-a alsa -D hw:[n],0</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>where n is sound card id.</P
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></LI
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></UL
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><P
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></P
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><P
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>Add these lines to your Window Manager start-up script (of course, with the proper arguments for your setup):</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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> real_display=`echo $DISPLAY | sed "s/://" | sed "s/\..*//"`
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case "$real_display" in
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0)
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artsd -F 10 -S 4096 -D /dev/dsp -s 5 -m artsmessage -l 3 -f &
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;;
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1)
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artsd -F 10 -S 4096 -D /dev/dsp1 -s 5 -m artsmessage -l 3 -f &
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;;
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2)
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artsd -F 10 -S 4096 -a alsa -D hw:4,0 -s 5 -m artsmessage -l 3 -f &
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;;
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esac
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>And at the end of the file:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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>artsshell -q terminate</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>Here is an example for <TT
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CLASS="filename"
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>/usr/X11R6/bin/startenlightenment</TT
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>:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="programlisting"
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> #!/bin/sh
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# License: GPL
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real_display=`echo $DISPLAY | sed "s/://" | sed "s/\..*//"`
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case "$real_display" in
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0)
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artsd -F 10 -S 4096 -D /dev/dsp -s 5 -m artsmessage -l 3 -f &
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;;
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1)
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artsd -F 10 -S 4096 -D /dev/dsp1 -s 5 -m artsmessage -l 3 -f &
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;;
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2)
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artsd -F 10 -S 4096 -a alsa -D hw:2,0 -s 5 -m artsmessage -l 3 -f &
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;;
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esac
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/usr/X11R6/bin/enlightenment
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artsshell -q terminate
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>This will start 3 aRts daemons for 3 X servers.</P
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>Daemon will use the first OSS sound device for the 1st X server.</P
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></LI
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><LI
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><P
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>Daemon will use the second OSS sound device for the 2nd X server.</P
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></LI
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><LI
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><P
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>Daemon will use the Alsa sound device for the 3rd X server (requires feedback).</P
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></LI
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></OL
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer 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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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="automation.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="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</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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><A
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HREF="automation_login_screen.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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><TR
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><TD
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>Tweaking it</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="automation.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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>Customising the login screen</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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> |