Hi Romain,
Thanks for the reply.
What I actually want to do is perform the patching of my jack sockets when
my output.shoutcast session connects.
I have a function called by on_connect and on_start in my output.shoutcast
command. The function attempts to do a jack_connect on the shoutcast jack
input ports, but they are not available at this point.
Is there anyway to achieve this in a single script?
Many thanks,
Steve.
On 29 June 2012 01:19, Romain Beauxis <[email protected]> wrote:
> 2012/6/27 Rivendell Steve <[email protected]>:
> > Hi,
>
> Hi Steve!
>
> > Version : Liquidsoap 1.0.0-beta3+svn
> >
> > I'm trying to manipulate some jack inputs I create within liquidsoap.
> >
> > I have the following test script....
> >
> > stream_ip2 = input.jack(id="stream-ip2")
> > output.dummy(fallible=false, stream_ip2)
> > system("/usr/bin/jack_lsp -c")
> >
> > The jack_lsp -c command does not list the new jack port.
> >
> > Is this because the port hasn't actually been created at this point?
> Listing
> > the jack ports on a different shell session does list the port as being
> > available.
> >
> > Is there a way of forcing liquidsoap to make the port available
> immediately
> > after it is created (also tried a sleep before the system command to no
> > effect).
>
> I believe that the port will be available only when the source is
> actually used. Wrapping it inside a output.dummy is indeed a good idea
> but I think it does not work because scripts are executed in two
> times:
>
> 1) Parsing and instantiating of the whole script -> sources creation,
> evaluation of the system() call.
> 2) Sources and output execution loop.
>
> Thus, your system() call is executed during 1) when the source has not
> yet been executed, thus its port is not yet available..
>
> I am not sure how to comment further. Why do you want to force the
> port to be immediately available?
>
> Romain
>
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