Re: "Not a CODE reference" error with Gtk::Bus::add_watch

[Wouter Verhelst <wouter nixsys be>]

On Sun, Nov 20, 2016 at 07:56:06PM +0100, Torsten Schönfeld wrote:
> On 20.11.2016 14:30, Wouter Verhelst wrote:
> > my $pipeline = Gst::parse_launch("...");
> >
> > my $bus = $pipeline->get_bus();
> > $bus->add_watch(\&buswatch, $mainloop);
> >
> > $mainloop->run();
>
> Since gst_bus_add_watch is not introspectable directly, the GStreamer
> authors marked gst_bus_add_watch_full as its replacement.

Ah, that explains it! Thanks.

> ("perli11ndoc Gst::Bus::add_watch" says "[NOT INTROSPECTABLE, shadowed
> by add_watch_full]".)  Unfortunately, its calling syntax is slightly
> different.  See "perli11ndoc Gst::Bus::add_watch_full".  So, try this:

I didn't know about "perli11ndoc", thanks!

>       use Glib qw/G_PRIORITY_DEFAULT/;
>       $bus->add_watch(G_PRIORITY_DEFAULT, \&buswatch, $mainloop);
>
> I also needed to add this before entering the main loop:
>
>       $pipeline->set_state('playing');

Right, sorry -- my actual code is much longer, I just distilled the
relevant bits. Apparently I missed that part.

Thanks again.

-- 
Wouter Verhelst
NixSys BVBA
M: +32 486 836 198