Hi Romain!
Am 16.12.2011 05:29, schrieb Romain Beauxis:
> 2011/12/15 thomas Buehlmann <tom...@tbuhl.ch>:
>> Hi,
> Hi Thomas!
>
>> Am 15.12.2011 16:40, schrieb Samuel Mimram:
>>> Hi,
>>>
>>> This is great news to hear that somebody is finally trying to use MIDI
>>> in Liquidsoap! The example is not correct anymore because typing is
>>> more strict in newer version of Lqiuidsoap (I should update the
>>> doc...). The error you get
>>>
>>>> At line 6, char 42:
>>>> this value has type
>>>> source(,midi=1+_,...) (infered at line 5, char 18-20)
>>>> but it should be a subtype of
>>>> source(,midi=0,...)
>>> means that out.icecast wants a source with only audio (and no MIDI)
>>> whereas your source obviously has a MIDI channel. The solution is
>>> simply to drop the MIDI channel by inserting
>>>
>>>> !#/usr/local/bin/liquidsoap
>>>> s = single("/music/music.mid")
>>>> s = midi.remove([9],s)
>>>> s = mux_audio(audio=blank(),s)
>>>> s = synth.all.saw(s)
>>> s = drop_midi(s)
>>>
>>>> out.icecast(%mp3,blah blah blah,s)
>>> and it should work :)
>> I should have quessed that the midi-channel was still there and
>> disturbing the output..
>> Thanks!
>> But there's now another error: the script starts, but ends shortly and
>> in the log i get
>>
>> 2011/12/15 21:34:20 [clock.wallclock_main:3] Streaming loop starts,
>> synchronized with wallclock.
>> 2011/12/15 21:34:20 [clock.wallclock_main:2] Source midi failed while
>> streaming: Invalid_argument("index out of bounds")
>>
>> do i need something specialv like ladspa oder dssi compiled into LS to
>> play midi-files?
>>
>>>> As i get this, mux_audio adds a blank audiochannel source(audio=1+,)
>>>> to the source.
>>>> and then synth.all.saw modulates this audio channel according
>>>> to the notes in the midi-channel.
>>> Yes, this is exactly the right scenario.
>> At least i got that right! ;-)
>>> Out of curiosity, do you have any specific application in mind? I have
>>> big plans for audio synthesis in Liquidsoap but never really got
>>> motivated enough to implement them because nobody seemed to care...
>>> So, don't hesitate to ask if you are missing some things...
>> No, at the moment there's not really a project. IAt this momnet i'm just
>> exploring the endless possibilities
>> of this fine software by extending what begun as a media player replcaement.
>> Now 'it's a nearly complete automated station ( i even made a ugly bash
>> script to generate MP3 from
>> RSS newsfeeds ) so LS can play them out as "news".)
> Note that if compiled with ocaml-xmlplaylist or if
> liquidsoap-plugin-xmlplaylist is installed for ubuntu and debian,
> liquidsoap should be able to parse some kind of RSS, namely podcasts
> and others. You can use that either directly through the playlist()
> operator or programmatically using playlist.parse() (and
> request.resolve() and the like..)
Yes, i know that you mean. I can get the URL to an audio file referenced
by RSS into LS.
But that's not my point. My script parses the RSS and sends the text
between <title> and <description> to a TTS (cepstral in my case), adds
time and day and does write an
mp3 from it. (And of course credits the feed generator :-) )
>> In the long term i might add a "midi-jingle" every hour as a simple
>> clock to my private stream.
>> Like a old clock: 1 "dong" at 1 o'clock and so on, just brvore the "news"
>> I'm sure this can be done with LS..! :-)
>>
>> The only thing that i couldn't programm into LS to date is to make it do
>> a real hot, fresh coffee..! :-)
> That's on my TODO.. :-)
>
> R.
>
I hope you can do this quick..! :-)
My coffe machine is too far away from the server room..
-- Tom
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