[mythtv] mythmusic caching mp3 files

Fa Yoeu fayoeu at gmail.com
Sat Oct 9 00:51:25 UTC 2004


My card is an AirLink+ PCI running the ndiswrapper.  My AP is a netgear.


On Fri, 08 Oct 2004 19:42:51 +0200, Hans Kruse <kruse at nicenemo.net> wrote:
> Hi,
> 
> A wl 500g ap, said to be the same hardware, hangs when copying large
> files without using wireless. However never with wireless and mp3.
> 
> My setup is a 802.11b card and a wl500g. I also use NFS which sometimes
> looses it's "connection". So the combination of wireless and NFS may
> require some tweaking.
> 
> greetings,
> Hans
> 
> P.S. what 802.11G carddo you use?
> 
> 
> 
> 
> Dave wrote:
> 
> >I recently spent a long time fiddling with my 802.11g network and
> >discovered a few things...
> >
> >The wireless card and AP seem to constantly try to negotiate speeds
> >based (i guess) on signal strength. For me, this killed throughput, and
> >caused most connections to appear to 'hang'. This 'hanging' or
> >'stalling' if you like would eventually fix itself but that could take
> >over a minute. If you take the client card down and bring it back up
> >again by hand it would start working again straight away so the AP wasnt
> >actually crashed.
> >
> >I experimented with (among other things) setting the maximum bit-rate on
> >the client card, which proved to be very sucessfull. In the end, for my
> >setup, if I set the card to limit the negotiated rate to 18Mb or below
> >(ie. never try to go higher), I could get very reliable throughput at
> >18Mb. (scp'ing files gets about 1.4MB/sec).
> >
> >Whilst this may be a long way off the theoretical 54Mb, it worked out
> >great for myth as it is enough for me to watch live TV (which for me is
> >SD DVB-t which seems to use ~1MB/sec).
> >
> >The moral of the story is try 'rate limiting' on either the client card
> >or the AP, your 'crashes' might just go away. To do this in linux, with
> >a card that fully supports 'linux wireless extensions' you can use
> >iwconfig e.g.:
> >
> >iwconfig eth1 rate 18000000 auto
> >
> >Read the manpage to learn more, some cards/drivers may have other
> >methods to achieve this.
> >
> >Dave
> >
> >
> >
> >
> >
> >
> >
> >On Fri, 2004-10-08 at 16:57, Fa Yoeu wrote:
> >
> >
> >>I have a weird problem that when I try to play mp3 from my nfs mounted
> >>directory through mythmusic, it causes the access point (netgear
> >>802.11g) to crash.  I have to powercycle the AP to get it working
> >>again.  I am suspecting that it is because of incompatibilities
> >>between different brands of 802.11g, but I am not sure yet.  Also many
> >>times the music cuts and skips because of other traffic.  So I wanted
> >>to hack mythmusic cache entire files before playback, doing the
> >>following, copy mp3 file from the nfs directory to a local directory
> >>before starting to play the file.  Anyone  have any suggestions before
> >>I begin hacking?
> >>
> >>______________________________________________________________________
> >>_______________________________________________
> >>mythtv-dev mailing list
> >>mythtv-dev at mythtv.org
> >>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> >>
> >>
> >
> >
> >
> >------------------------------------------------------------------------
> 
> 
> >
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> >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> >
> >
> 
>


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