Hi all !
Le jeudi 28 janvier 2010 11:42:38, Jean-Francois Mauguit a écrit :
> Thanks
>
> On 28 Jan 2010, at 18:16, David Baelde wrote:
> > On Thu, Jan 28, 2010 at 10:37 AM, Jean-Francois Mauguit
> >
> > <[email protected]> wrote:
> >> What are the other meta available in liquidsoap : album ? other ones ?
> >
> > Off the top of my head, there's "song". Liquidsoap does not have any
> > limitation on what you can get, it only depends on the input source.
> > You can print all metadata using on_metadata() handlers. And (this is
> > probably already your plan) use map_metadata() to transform the
> > incoming metadata to an uniform setup, erasing the dependency on the
> > source client.
Just a complement to make this perhaps more clear.
The problem is that the initial protocol for source clients, shoutcast, only
proposed a single metadata tag, named "song". Later, this was extended with
title, album and artist (and any other I believe).
Hence, some clients only send a metadata labelled "song" with value "'title -
artist". Also, more generally, the set of metadata that liquidsoap has depends
on what the source client sends...
> I tried to implement that, it sounds working (no error) but it was already
> the case with my software :-)
>
> So I did
>
> def rewrite_metadata(l,~insert_missing=true,live)
> def map(m)
> def apply(x)
> label = fst(x)
> meta = snd(x)
> if list.mem_assoc(label,l) then
> pattern = l[label]
> (label,pattern % m)
> else
> (label,meta)
> end
> end
> m = list.map(apply,m)
> def add(m,x)
> label = fst(x)
> pattern = snd(x)
> if not list.mem_assoc(label,m) then
> list.append(m,[(label,pattern % m)])
> else
> m
> end
> end
> list.fold(add,m,l)
> end
> map_metadata(map,insert_missing=insert_missing,live)
> end
>
>
> live = on_metadata(fun (rewrite_metadata) -> system("curl
> http://url.com/live.php?string=^quote(meta["title"])^"£"^quote(meta["artis
> t"])^"£"^quote(meta["duration"])^" &"),live)
>
> Do you think it will do the trick ?
I don't think this script is correct :-)
What do you want to do exactly ? ;-)
Romain
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