[gst-devel] Newbie Q: Connecting Pipelines

[rahul at reno.cis.upenn.edu]

Hi,
> > 
> > Each such pipeline consists of multiple gstreamer executables, presently
> > communicating using written files (I will need to use sockets soon, are
> > there any socket modules in development?). Now, to co-ordinate two
> > different processes, I need to be able to do something like:
> > Process A tells Process B:
> > Hey, I finished writing file 1(buffer1), come pick it up. Then the
> > input pad in process b will do the read, but not until then..
> 
> did i say interesting? i meant painful :)

:-)

The file-write game is just a way to prototype, but the underlying issue
is independent of input pad, its a piece of data and an identifier of
that data, and a signal to say that identifier is ready for processing.

> 
> seriously though, i think your best bet is to attempt to write some sort
> of server. you will then need elements to interface with this server as
> well, probably over sockets. but then you might want to allow rerouting
> of signals through the server, which implies graph sorting and a kind of
> mess. then what you see is you need some sort of media server. this, to
> my mind, is jack. it's media-independent, mostly (by that i mean that
> nothing other than audio has been implemented) and it would only take
> moderate hacking to get it to work for you. and i'm going to work on
> some jack elements for gstreamer, probably this weekend or next, which
> will give your app access to jack's data.
> 
> you can take a look at jack at jackit.sf.net.
> 
> all of this is just mho, of course :)
Thanks for the pointer, I am going there to look at it..
Rahul
> 
> best regards,
> 
> wingo.
> 
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