TURN relay in python - nice transmitter

[Skorpeo Skorpeo]

Hi,

Thank you for the reply. I haven't had success in using TURN, although it
would be great.., however I am able to use it with stun :).

I am completely in the dark on the c side of things otherwise I would have
tried to solve it...

Thanks again!

On Tue, Jun 28, 2022 at 9:30 AM Olivier Crête <olivier.crete at collabora.com>
wrote:

> Hi,
>
> The GLib.PtrArray should just be translated from a Python list (a []).
>
> That said, I'm not sure we can create this thing from Python. It feels
> like I need to add an second property that is more introspection
> friendly...
>
> Olivier
>
> On Mon, 2021-11-08 at 16:17 +0100, Skorpeo Skorpeo wrote:
> > Hello,
> >
> > Thank you for the quick response!  I spent more time this morning and
> > got a little further and I had also tried that but it didn't work:/
> >
> > When I do stream.set_transmitter_ht('nice', {'relay-info':
> > [relay_structure]}) I get error:
> >
> > gi.repository.GLib.Error: fs-error: Invalid type of argument relay-
> > info for transmitter nice (100)
> >
> > I confirm that this is what I am passing in:
> > {'relay-info': [<Gst.Structure object at 0x111fb5b80 (GstStructure at
> > 0x7f9d58741bd0)>]}
> >
> > I was able to get the function to accept the following:
> >
> > {'relay-info': GLib.PtrArray()}
> > {'relay-info': GObject.Value(GLib.PtrArray)}
> >
> > both of which are meaningless because I haven't figured out a way of
> > putting values in there.
> >
> > {'relay-info': relay_structure} also doesn't work
> >
> > I also tried various things like:
> >
> > value = GObject.Value(GLib.PtrArray)
> > value.set_value([relay_structure]) #also doesn't work
> >
> > value = GObject.Value(GLib.PtrArray)
> > value.set_instance([relay_structure]) #also doesn't work
> >
> > I also tried other things none of which got me to the promised land.
> >
> > It seems I have to somehow instantiate a GLib.PtrArray in python but
> > there appears to be no facility for that and the function doesn't
> > seem to accept a python list as equivalent?
> >
> > Your input is greatly appreciated
> > Many thanks
> >
> > On Mon, Nov 8, 2021 at 3:19 PM Olivier Crête
> > <olivier.crete at collabora.com> wrote:
> > > Hi,
> > >
> > > I believe you need to put it in an array in a dict. So something
> > > like
> > >
> > > stream.set_transmitter_ht(trans, {'relay-info', [relay_structure]})
> > >
> > > You can put other parametes inside the dict.
> > > You can also put multiple relays inside the array.
> > >
> > > Olivier
> > >
> > >
> > > On Mon, 2021-11-08 at 00:01 +0100, Skorpeo Skorpeo wrote:
> > > > Hi,
> > > >
> > > > How can I add TURN server info for a nice transmitter in python
> > > > for
> > > > Farstream?  I have tried different things but to no avail.  I am
> > > > not
> > > > sure how to get a hold of the transmitter itself or to pass it
> > > > parameters initially.  Right now local candidates generated are
> > > > only
> > > > of type "host".
> > > >
> > > > I use the function stream.set_transmitter("nice") which appears
> > > > to
> > > > also allow for a parameter argument.  I can get as far as:
> > > >
> > > > relay_structure = Gst.Structure.new_empty("relay-info")
> > > > relay_structure.set_value("ip", "123.45.678.999")
> > > > relay_structure.set_value("port", 3478)
> > > > relay_structure.set_value("username", "user1")
> > > > relay_structure.set_value("password", "user1pwd")
> > > > relay_structure.set_value("relay-type", "udp")
> > > >
> > > > but I am not sure how to pass this parameter to
> > > > stream.set_transmitter() or stream.set_transmitter_ht().
> > > >
> > > > I also see the function nice_agent_set_relay_info in the source
> > > > but I
> > > > am not sure how to use it or access it in python.
> > > >
> > > > I would also like to add STUN but just trying to figure out TURN
> > > > first...
> > > >
> > > > Any help would be massively appreciated!
> > > >
> > > > Thanks!
> > > >
> > > >
> > >
>
> --
> Olivier Crête
> olivier.crete at collabora.com
>
>
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