Re: [Savonet-users] Problems with switch and sequence playing multiple files at a fixed time

[Kevin M. <mcq...@me...>]

Hi There:

I have the same requirement, and found that the "merge_tracks" function works in general, but that there are some problems when using it within a "switch" construct.  I have asked on the list why it doesn't seem to be working inside a "switch", so I suggest you too watch for any replies to my question.

Good luck from another newbie, I will watch for replies to your question too.

Kevin

Sent from my iPad

On 2013-03-23, at 6:36, Pad Anius <pad...@gm...> wrote:

> Hi There,
> 
> I would like to have a way to use a "sequence" of MP3 files that include: a 
> playlist, dynamically generated audio file, and from single(..)  to play at a 
> certain time using switch. Liquidsoap examples that I am able to see around use 
> sequence only with a maximum of 2 files.
> 
> I have tried using timed_promotions with a sequence of more than 2 files, but 
> the first time the switch is hit at 59m49s it runs OK and plays all files in 
> sequence, but on the next hour files contained in "sequence" below are skipped 
> with no logic that I can understand, even looking at the log. Something must be 
> terribly wrong :-(
> 
> It seems that "sequence" is not the right way, is there any other way to put 
> together more files inside a script and play them at a certain time (some files 
> can be dynamically generated, see below)?
> 
> Here is an excerpt of my (simplified) script showing the problem:
> 
> #!/usr/local/bin/liquidsoap
> set("log.level",4)
> MYSTATION="timed_promotion with sequence does not work OK!"
> print(MYSTATION)
> 
> # picks the latest news file updated every hour
> def new_news()
>    url = list.hd(get_process_lines("/bin/ls -1 /NEWS/news.mp3*"))
>    request.create(url)
> end
> 
> def get_00min()
>     # generates an MP3 file withe current time, i.e. "It's now 9 hours CET"
>     url = list.hd(get_process_lines("/scripts/get-tophour-mp3.sh"))
>     request.create(url)
> end
> 
> ac = playlist(mode="random", reload=86500, "/MUSIC/FREE/AC/")
> newsitem = audio_to_stereo(request.dynamic(conservative=true, new_news))
> _00min=audio_to_stereo(request.dynamic(conservative=true,get_00min))
> rel30 = audio_to_stereo(playlist(mode="random",reload=14401,"/REL/30min"))
> mksafe(rel30)
> pips=audio_to_stereo(single("/NEWS/pips.mp3"))
> 
> _00newsweekly=sequence(merge=true,[
>                               pips,
>                               _00min,
>                               newsitem,
>                               rel30
>                       ])
> 
> timed_promotions = switch([
>    ({(1w or 2w or 3w or 4w or 5w) and 59m49s} , _00newsweekly),
> ])
> 
> radio = ac
> radio = smooth_add(delay=0.8,p=0.0,normal=radio,special=timed_promotions)
> radio = smart_crossfade(fade_out=1.8,fade_in=1.8,radio)
> 
> output.icecast( %aacplus(channels=1,bitrate=32), host = "10.0.1.101", port = 
> 8000, password = "xxxx", mount = "rel.aac", name="#{quote(MYSTATION)}", 
> genre="Christian", url="http://www.XXXX.XXX", description="My station", radio)
> 
> ----------------------------------------
> 
> Thanks for any help!
> 
> 
> Pad
> 
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