Hello all!
I've started this thread in february, but since then i had not much time
to experiment; even worse the old mails were already deleted.. :(
I'm still trying to do a smooth_add while showing the metadata of the
"special" source.
The Problem is, i'm not getting a smooth transition, it just cuts hard
like a fallback at the start and the end of the special source.
But i'm ok with the metadata this time.
What i have now is this:
(Basically "smooth_add" with the "special" and the "normal" Parts
switched in utils.liq as David suggested)
def smooth_add_meta(~delay=0.5,~p=0.2,~normal,~special)
d = delay
fade.final = fade.final(duration=d*2.)
fade.initial = fade.initial(duration=d*2.)
q = 1. - p
c = amplify
fallback(track_sensitive=false,
[special,normal],
transitions=[
fun(special,normal)->
add(normalize=false,
[c(p,normal),
c(q,fade.initial(type="sin",normal))]),
fun(normal,special)->
add(normalize=false,
[c(p,normal),
c(q,fade.final(type="sin",normal)),
sequence([blank(duration=d),c(q,special)])])
])
end
As i understand this code, we have a fallback with a transition.
The first function fun(normal,special) does this:
The normal stream gets added with "negative" amplification of ~q (eq.
"1. -p") and with a fade.final (and so fades out).
The seqence adds blank for ~delay and starts the special stream then.
The function fun(special,normal) does this:
It adds normal again to the output (amplified "negatively" by p), but
this time with fade.inital(so starts to fade in)
The whole process starts as soon as ~special is available at the fallback.
>From my point of view, the above code should work.
Can anybody point me to the right direction or am i misunderstanding
something here?
Thanks for helping out!
-- Tom
Liquidsoap rocks!
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