Hi all!
I'm a newbie in the liquidsoap world, when I've been asked to help in
setting up a web-radio I've opted for this software - which I think I
will never leave even if it is too heavy to run on an Alix! :)
I'm trying to do some transition with fallback on 3-source: live, studio
and emergency. What I want is that when switching to the emergency
playlist, there are first 5 seconds of noise(), and then the actual MP3s
playlist fade in.
I've tried many combination of add/sequence both in the fallback
definition and in the crossfade function, what I don't understand is why
in the following example the noise doesn't stop after 5 seconds but last
forever (the same appen whith blank() - but with noise() every 5 seconds
there is a restart of normalization with a gain peak):
def crossfade_noise(from, to)
add(normalize = false, [
sequence([
fade.final(duration = .5, from),
fade.initial(duration = .5,
normalize(
gain_min = -40.,
gain_max = -10.,
target = -25.,
noise(duration = 5.)
)
)
]),
fade.initial(duration = 6., to)
])
end
Cna someone help me in understand what I'm doing wrong? I'm using
liquidsoap 0.9.3 from the Debian repository.
Thank you in advance!
sperimentatamente,
Francesco P.
P.S. The whole script is attached, just in case!
--
Francesco P. Sileno - OSCR S.r.l.
<[email protected]> - http://www.oscr.it/
Tel. +39.06.91.65.03.683 (segreteria telefonica)
Cell. +39.340.53.42.374
Fax +39.06.62.20.13.51
set("server.telnet", true)
set("server.telnet.bind_addr", "127.0.0.1")
set("server.telnet.port", 4675)
set("harbor.bind_addr", "0.0.0.0")
set("harbor.port", 8100)
set("harbor.password", "34-ge.35Gt34.35")
set("harbor.timeout", 30.)
##
# Variabili
##
def live_auth(user, password) =
#(user == "source" and password == "devel" and 4w and 21h-00h)
(user == "source" and password == "devel")
or
(password == "12345678" and 22h-24h)
end
avvio_test = single('/data/mp3/deliradio-avvio.mp3')
termine_test = single('/data/mp3/deliradio-termine.mp3')
tone = sine(440.)
low_noise = normalize(
gain_min = -40.,
gain_max = -10.,
target = -25.,
noise()
)
##
# Funzioni
##
def crossfade(from, to)
add(normalize = false, [
fade.final(duration = .5, from),
fade.initial(duration = .5, to)
])
end
def crossfade_jingle(jingle, from, to)
add(normalize = false, [
sequence([
fade.final(duration = 2., from),
jingle,
fade.initial(duration = 2., to)
])
])
end
def crossfade_noise(from, to)
add(normalize = false, [
sequence([
fade.final(duration = .5, from),
fade.initial(duration = .5,
normalize(
gain_min = -40.,
gain_max = -10.,
target = -25.,
noise(duration = 5.)
)
)
]),
fade.initial(duration = 6., to)
])
end
##
# Input
##
live = input.harbor(
"input",
auth = live_auth
)
live = strip_blank(
id = "live",
threshold = -30.,
length = 10.,
rewrite_metadata(
[("artist", "** DEVEL **"), ("title", "live")],
live
)
)
remote = input.http(
"http://91.121.183.191:80/play";,
)
remote = strip_blank(
id = "remote",
threshold = -30.,
length = 10.,
rewrite_metadata(
[("artist", "** DEVEL **"), ("title", "remote")],
remote
)
)
#remote = my_sky(remote)
#remote = compress(threshold=-15.,ratio=2.,gain=2.,normalize(remote))
#remote = nrj(remote)
#remote = normalize(
# target = -13.,
# k_up = 0.005,
# k_down = 0.1,
# compress(
# gain = 3.,
# ratio = 3.,
# threshold = -15.,
# normalize(remote)
# )
#)
fallback_playlist = playlist(
"/data/mp3/subsonica",
id = "fallback"
)
fallback_playlist = rewrite_metadata(
[("artist", "** DEVEL **"), ("title", "fallback playlist")],
fallback_playlist
)
stream = fallback(
id = "stream",
track_sensitive = false,
# transitions = [ crossfade_jingle(avvio_test),
crossfade_jingle(termine_test), crossfade() ],
transitions = [ crossfade(), crossfade(), crossfade_noise() ],
[
live,
remote,
fallback_playlist
]
)
#stream = nrj(stream);
##
# Output
##
output.icecast.mp3(
host = "127.0.0.1",
port = 8000,
password = "devel",
mount = "play",
bitrate = 128,
stereo = true,
samplerate = 44100,
restart = true,
public = false,
url = "",
name = "--- DEVEL ---",
description = "",
genre = "Misc",
mksafe(stream)
)
#output.shoutcast.mp3(
# host = "127.0.0.1",
# port = 9000,
# password = "devel",
# bitrate = 128,
# stereo = true,
# samplerate = 44100,
# restart = true,
# public = false,
# url = "",
# name = "--- DEVEL ---",
# description = "",
# genre = "Misc",
# mksafe(stream)
#)
------------------------------------------------------------------------------
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