Hi,
I need to insert commercials in a playlist.
To get tracks i use an external script to read next file from a playlist
and return metadata according to track type :
"nofade" for jingles/commercials and "fade" for songs. I send
liq_fade_in and liq_fade_out too.
My response from bash script (get.next.track.sh) is :
-----------------
...
# for jingles
META="annotate:type=\"nofade\",liq_fade_in=\"0.1\",liq_fade_out=\"0.1\",display_title=\"TITLE\":/path/to/file.mp3"
...
# for songs
META="annotate:type=\"fade\",liq_fade_in=\"0.1\",liq_fade_out=\"3.\",display_title=\"TITLE\":/path/to/file.mp3"
...
# return response
echo "${META}"
-----------------
i use a crossfade function from examples:
def crossfade(~start_next,~fade_in,~fade_out,s)
s = fade.in(duration=fade_in,s)
s = fade.out(duration=fade_out,s)
fader = fun (a,b) -> add(normalize=false,[b,a])
cross(fader,s)
end
radio = crossfade(start_next=1., fade_out=1., fade_in=1., radio)
======================
Problem ONE
Now, at first impression, liq_fade_out is not correct. In almost all
cases, some 4-5 seconds overlap i hear.
But i tested intensively and is not from incorrect liq_fade_out handling.
In crossfade function, "start_next" parameter IS NOT USED !
And, in cross() function, duration is 5 seconds default.
If i add "liq_start_next" parameter to META (annotate), all is ok.
In this case, in examples, need to replace
cross(fader,s)
with something like
cross(fader,duration=start_next,s)
===================
Problem TWO
if i use function
radio = crossfade(start_next=1., fade_in=0., fade_out=0., radio)
or
radio = crossfade(start_next=0., fade_in=0., fade_out=0., radio)
this is response from liquidsoap console log:
... Waiting for "[EMAIL PROTECTED]" to be ready...
... Waiting for "[EMAIL PROTECTED]" to be ready...
etc
this is WITH annotate liq_fade_in/out/start_next set like above, not to
zero.
10x,
Daniel
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