On 29/04/14 18:17, drew Roberts wrote:
> On Monday 28 April 2014 18:02:51 Wayne Merricks wrote:
>> Easier than you think.
>>
>> pastebin.com/u/MezzFA0
>>
>> In there is a full guide for JACK, Rotter and Liquidsoap all with
>> startup scripts on Ubuntu
>
> Thanks, I will be looking at that closely and deciding if I need
to
> switch over to the way you are doing things or adapt what you are
doing
> to the way I am doing things on this new box.
>
> Currently I am autologging in a user and running stuff from the
> ~/.config/autostart directory. With qjackctl running some things
on start
> and other things running in a screen setup that is also started in
that
> whole chain.
>
>> or just this link for the liquid soap config:
>>
>> http://pastebin.com/ziNEKF03
>>
>> But the only things you need to do are:
>>
>> #Get an input stream (darkice auto grabs from line in if I
remember
>> rightly so I'm assuming ALSA in):
>> liveStream = (input.alsa(id="liquidsoap"):source(1,0,0))
>
> Actually, iirc, darkice can do jack as well. The box I am moving
from was
> alsa based but the one it replaced was jack based. I moved to alsa
years
> ago when I needed to run two station streams on one box and could
not
> figure out how to make rotter log two stations on one box. I ended
up
> using darkice to do the logging but never liked it as much as the
rotter
> way.
>
>> #id can be anything you want, source(1,0,0) is 1 audio, 0 video
and 0
>> something else I've forgotten so this would be mono
>> #You might have to take the stereo stream with source(2,0,0) and
then
>> mono it with:
>> #liveStereo = (input.alsa(id="liquidsoap"):source(2,0,0))
>> #liveMono = mean(liveStereo)
>
> This is what I am doing now as a test on the new box:
>
> #!/usr/bin/liquidsoap
>
> #message =
> # "The Savonet team thanks you for using liquidsoap, " ^
> # "and we hope you'll enjoy it!"
>
> #set("jack.client_name","liquidsoap")
> set("log.file.path","/home/zloc/basic-radio.log")
>
>
> # We're 48k!
> set("frame.audio.samplerate",48000)
> # Grab JACK input
> # We don't do any fallback here; hardware silence detector is used
to
> flip to a backup Rivendell system
> radio = mksafe(input.jack(id="liquidsoap"))
>
> output.icecast(%mp3(bitrate=128), host="localhost", port=8002,
> password="nopass",
> mount="zotz1.mp3", genre="Rockin", url="http://192.168.1.4:8002";,
> name="Rockin Rivendell 4", description="Rockin Rivendell 4",
> format="mp3", icy_metadata="true", radio)
>
>> #Here do any processing to the stream you want, you could silence
>> detect:
>> emergencyFile =
mksafe(single("/var/audio/emergency/silentalarm.mp3"))
>> #you need to obviously make and put a silentalarm.mp3 in that
location
>> or somewhere else accessible
>> # Silence Detection, plays after 30 seconds of silence
>> liveStream = strip_blank(liveStream, length=30.0)
>>
>> #Tell it what to do when its silent (track_sensitive=true will
wait for
>> the track to end before cutting back to the main stream):
>> liveStream = fallback(track_sensitive=false, [liveStream,
>> emergencyFile])
>>
>> #You could have a tracklist instead of an emergency file, you can
even
>> have a ruled tracklist that will play idents on the hour, pick
random
>> songs from directories etc but I've never attempted that
>>
>> #Or how about compression:
>> liveStream = compress(ratio=3.0, attack=38.0, release=85.0,
>> threshold=-20.0, knee=0.5, gain=8.0, liveStream)
>>
>> #What if you need a limiter:
>> liveStream = limit(ratio=3.0, attack=38.0, release=85.0,
>> threshold=-3.0,knee=0.5, liveStream)
>>
>> #Finally send it off to icecast
>> output.icecast(%mp3(stereo=false, samplerate=22050,
>> bitrate=32),liveStream, description="Describe me", genre="Give me
a
>> genre", url="My Website", name="Title Me", mount="what mount
point to
>> use", host="localhost", password="my secret password", port=8014)
>>
>> Theres tons of sound processing you can do. You can even
automate an
>> entire DJ free station by setting up schedule rules and other
stuff.
>> The full API is here:
>> http://savonet.sourceforge.net/doc-svn/reference.html
>>
>> But it is a bit cryptic, I still sit there smashing my face on
the wall
>> when it should work but just doesn't.
>>
>> Oh you'll need to save this config in a file convention is
blah.liq
>> then you can run liquidsoap /path/to/config/blah.liq
>>
>> You can also run liquidsoap -c /path/to/config/blah.liq to get it
to
>> check your config and spew out any errors.
>>
>> Regards,
>>
>> Wayne
>>
>> On 2014-04-28 18:45, Rick wrote:
>>> interesting subject #finaly will work on this also next week and
try
>>>
>>>
>>>
https://www.google.nl/#q=liquidsoap+site:http:%2F%2Fcaspian.paravelsyst
>>>em s.com%2Fpipermail%2Frivendell-dev%2F
>>>
>>> drew Roberts schreef op 28-4-2014 19:45:
>>>> I know some of you folks know more than I do about liquidsoap.
>>>> Perhaps someone
>>>> can help. Anyone know how to match this darkice setup in
liquidsoap:
>>>>
>>>> [icecast2-0]
>>>> bitrateMode = cbr # constant bit rate
>>>> format = mp3 # format of the stream: mp3
>>>> bitrate = 32 # bitrate of the stream sent to the
>>>> server
>>>> sampleRate = 22050
>>>> channel = 1
>>>> server = localhost
>>>> # host name of the server
>>>> port = 8014 # port of the IceCast2 server,
usually
>>>> 8000
>>>>
>>>> all the best,
>>>>
>>>> drew
>>>> _______________________________________________
>>>> Rivendell-dev mailing list
>>>> [email protected]
>>>>
http://caspian.paravelsystems.com/mailman/listinfo/rivendell-dev
>>>
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>>
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