[Icecast-dev] libshout: Streaming MPEG Audio Layer 2

[Nicholas J Humfrey]

Thanks, but Darkice does not use libshout, which is where the problem  
lies.

nick.


On 21 Jul 2006, at 01:47, <sci-fi at hush.ai> <sci-fi at hush.ai> wrote:

>
> Hi,
>
> I'm not anywhere near an expert, but I had successfully used
> Darkice, TwoLame, and Icast231 to netcast a mp2 stream.  If it
> will help, here is a snip from the related area of my darkice.cfg:
>
> [icecast2-1]
> format          = mp2
> bitrateMode     = cbr
> bitrate         = 384
> quality         = 1.0
> server          = 127.0.0.1
> port            = 32710
> password        = (duh!)
> sampleRate      = 48000
> channel         = 2
> maxBitrate      = 384
> mountPoint      = LiftedRadio_high.mp2
> lowpass         = -1
> highpass        = -1
> name            = SciFiG5.homeip.net
> description     = (MP2:TwoLame-0.3.6 CBR:384K 48kHz:2ch)
> url             = http://www.LiftedRadio.com/
> genre           = Christian Electronica
> public          = yes
> aim             = scifihomeipnet
> icq             = 272120028
> #irc            = #
>
>
> And here is a snip from the related areas of my icecasts.xml:
>
> [...]
> 	<mount>
> 		<mount-name>/LiftedRadio_high.mp2</mount-name>
> 		<max-listeners>6</max-listeners>
> 		<no-yp>0</no-yp>
> 		<hidden>0</hidden>
> 		<public>1</public>
> 	</mount>
> [...]
> <paths>
> [...]
> 		<alias source="/liftedradio_high.mp2"
> dest="/LiftedRadio_high.mp2"/>
> [...]
> </paths>
> [...]
>
> (We relayed streams via java-based p2p-radio apps, so they needed
> the lower-case 'alias' there... otherwise nothing special...)
>
> Of course these streams won't show up in Xiph's directory any
> more, I also use SteamCast's directory where they should show up,
> anyway these streams did actually work.
>
> I compile everything myself, btw, including all requisite libs
> etc. which is a chore to do oneself (on MacOSX... I just don't
> trust pkg-managers with their chosen configure options & gcc
> tweaks etc. ;) ).
>
> On the mp3-tech.org page you cited, there is a chart showing
> Layer-II bitrate+mode combinations which are not allowed.  I
> definitely remember that I could not specify any of Darkice's VBR
> options for mp2, IIRC no error was fed-back to the console but a
> no-worky stream is all we noticed.
>
> (My main objective was to get a near-lossless stream going for a
> "backbone" feed, then "affiliates" would transcode it for their
> local listeners, in a global p2p-style sense.  I wrote-up all
> about this in the PeerCast forum, search for my id 'SciFi' there
> if interested.  I had read other forums which indicated mp2 was
> much better at 'transparency' as far as ears are concerned at
> higher bitrates, and many professional broadcasters such as XM use
> mp2 rather than mp3 [layers].  Indeed I think they are right.)
>
> I hope this helps somehow.
>
>
>
>
>
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