Even though in my icecast.xml the shoutcast-mount is set to stream.mp3. There is no way of changing this mount in Airtime, as far as I can see.
Here's my icecast.xml
<icecast>
<!-- location and admin are two arbitrary strings that are e.g. visible
on the server info page of the icecast web interface
(server_version.xsl). -->
<location>London, UK</location>
<admin>live@radioclash.com</admin>
<limits>
<clients>1000</clients>
<sources>5</sources>
<threadpool>5</threadpool>
<queue-size>524288</queue-size>
<client-timeout>30</client-timeout>
<header-timeout>15</header-timeout>
<source-timeout>10</source-timeout>
<!-- If enabled, this will provide a burst of data when a client
first connects, thereby significantly reducing the startup
time for listeners that do substantial buffering. However,
it also significantly increases latency between the source
client and listening client. For low-latency setups, you
might want to disable this. -->
<burst-on-connect>1</burst-on-connect>
<!-- same as burst-on-connect, but this allows for being more
specific on how much to burst. Most people won't need to
change from the default 64k. Applies to all mountpoints -->
<burst-size>65535</burst-size>
</limits>
<authentication>
<!-- Sources log in with username 'source' -->
<source-password>XXXX</source-password>
<!-- Relays log in username 'relay' -->
<relay-password>XXXXX</relay-password>
<!-- Admin logs in with the username given below -->
<admin-user>XXXX</admin-user>
<admin-password>XXXXX</admin-password>
</authentication>
<!-- set the mountpoint for a shoutcast source to use, the default if not
specified is /stream but you can change it here if an alternative is
wanted or an extension is required -->
<shoutcast-mount>/stream.mp3</shoutcast-mount>
<!-- Uncomment this if you want directory listings -->
<directory>
<yp-url-timeout>15</yp-url-timeout>
<yp-url>http://dir.xiph.org/cgi-bin/yp-cgi</yp-url>
</directory>
<!-- basedir is only used if chroot is enabled -->
<basedir>/usr/share/icecast2</basedir>
<!-- Note that if <chroot> is turned on below, these paths must both
be relative to the new root, not the original root -->
<logdir>/var/log/icecast2</logdir>
<webroot>/usr/share/icecast2/web</webroot>
<adminroot>/usr/share/icecast2/admin</adminroot>
<!-- This is the hostname other people will use to connect to your server.
It affects mainly the urls generated by Icecast for playlists and yp
listings. -->
<hostname>listen.radioclash.com</hostname>
<!-- You may have multiple <listener> elements -->
<listen-socket>
<port>8000</port>
<!-- <bind-address>127.0.0.1</bind-address> -->
<shoutcast-mount>/stream.mp3</shoutcast-mount>
</listen-socket>
*commented out until*
<mount>
<mount-name>/emergencyadmin</mount-name>
<fallback-mount>/RCL-fallover-backup-4mins.mp3</fallback-mount>
<fallback-override>1</fallback-override>
<hidden>1</hidden>
</mount>
<mount>
<mount-name>/streamhigh</mount-name>
<fallback-mount>/emergencyadmin</fallback-mount>
<fallback-override>1</fallback-override>
<hidden>0</hidden>
</mount>
<mount>
<mount-name>/streamlow</mount-name>
<fallback-mount>/emergencyadmin</fallback-mount>
<fallback-override>1</fallback-override>
<hidden>0</hidden>
</mount>
<mount>
<mount-name>/stream.mp3</mount-name>
<fallback-mount>/emergencyadmin</fallback-mount>
<fallback-override>1</fallback-override>
<hidden>0</hidden>
</mount>
<fileserve>1</fileserve>
<paths>
<basedir>/usr/share/icecast2</basedir>
<!-- Note that if <chroot> is turned on below, these paths must both
be relative to the new root, not the original root -->
<logdir>/var/log/icecast2</logdir>
<webroot>/usr/share/icecast2/web</webroot>
<adminroot>/usr/share/icecast2/admin</adminroot>
<!-- <pidfile>/usr/share/icecast2/icecast.pid</pidfile> -->
<!-- Aliases: treat requests for 'source' path as being for 'dest' path
May be made specific to a port or bound address using the "port"
and "bind-address" attributes.
-->
<!--
<alias source="/foo" destination="/bar"/>
-->
<!-- Aliases: can also be used for simple redirections as well,
this example will redirect all requests for http://server:port/ to
the status page
-->
<alias source="/" destination="/status.xsl"/>
</paths>
<logging>
<accesslog>access.log</accesslog>
<errorlog>error.log</errorlog>
<!-- <playlistlog>playlist.log</playlistlog> -->
<loglevel>3</loglevel> <!-- 4 Debug, 3 Info, 2 Warn, 1 Error -->
<logsize>10000</logsize> <!-- Max size of a logfile -->
<!-- If logarchive is enabled (1), then when logsize is reached
the logfile will be moved to [error|access|playlist].log.DATESTAMP,
otherwise it will be moved to [error|access|playlist].log.old.
Default is non-archive mode (i.e. overwrite)
-->
<!-- <logarchive>1</logarchive> -->
</logging>
<security>
<chroot>0</chroot>
<!--
<changeowner>
<user>nobody</user>
<group>nogroup</group>
</changeowner>
-->
</security>
</icecast>
[I define the mounts manually for the emergency/admin fallback...]
The shoutcast stream and the Icecast streamhigh seem to all work fine...just weird that 'airtime_128' popping up, because there is no mount by that name in the Icecast admin page...
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