2013/6/4 Tuukka Ojala <[email protected]>:
> Hello,
Hi!
> First of all, sorry if this question has been asked here before. I
> couldn't find anything in the list archives, but it could be that I
> just wasn't looking for the right thing.
No worries :-)
> Anyway, here goes:
> I've made a basic Liquidsoap script which has two sources: a playlist
> consisting of 2000+ tracks, and a variable-length sequence which is
> broadcast at the top of the hour overriding the playlist. I
> implemented the switching by using the fallback operator and
> transition functions for both ways. The switching works for the first
> time the script is run, but after returning back to the playlist the
> sources won't get switched again. Any ideas of what might be causing
> this? I'm running Liquidsoap 1.1.1 on Win32. The script is as follows:
> def to_news (music, news) =
> add ([news, fade.final (music)])
> end
>
> def from_news (news, music) =
> source.skip (music)
> music
> end
>
> music_playlist = playlist(conservative=true, "z:/playlist.txt")
> music_playlist = crossfade (skip_blank (max_blank=1.5, threshold=-50.0,
> music))
> news_playlist = sequence (merge=true,
> [audio_to_stereo(single("./time.ogg")), single ("./news_jingle.ogg"),
> audio_to_stereo(single("./news.wav")), once
> (single("./news_jingle.ogg"))])
I think this is your problem: once() creates a source that plays one
track and that's it. Nothing more. Ever :-)
So, after your first transition, the once() source is played last in
the sequence and the news source never gets to be ready again..
If you need a specific sequence of files for your news, maybe you
could use a request.equeue or request.dynamic, where you'd push the
exact sequence of tracks you want to play each time you need them to
play..
Hope this helps,
Romain
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