Handling of hang in one branch of pipeline

[Tim-Philipp Müller]

On Fri, 2013-09-06 at 12:38 +0200, Federico Zamperini wrote:

> If I understood correctly, you can put an identity element in each 
> branch and handle the "handoff" signal in the bus, which is posted every 
> time a buffer is passed on.
> You have to setup a couple of timers to trigger an alarm when no buffers 
> are passed for a certain amount of time.
> Or otherwise look for some other similar signals from the elements that 
> are most inclined to hang.

Just a quick note to avoid confusion: GObject signals like the "handoff"
signal are always called/run from the thread that emits the signal. The
GstBus or GLib main loop is not involved in (or required for) signal
emission.

Cheers
 -Tim

> Il 05/09/2013 11:34, Baby Octopus ha scritto:
> > Hi,
> >
> > I'm having a pipeline which is more like this
> >
> >                                                              /--------------
> > Branch 1 ------------ Sink 1
> >                                                             /
> > Source ----- Element 1 ---- Element 2 -->|
> >                                                             \
> >                                                              \--------------
> > Branch 2 ------------ Sink 2
> >
> > Let us assume Branch 1 hangs for some reason. How can I make sure branch 2
> > runs seamlessly?
> > Currently the pipeline runs without any issue but just need to have a
> > guard-band just in case if one of the branch hangs
> >
> > PS : I'm unable to post the whole pipeline here since it has lot more
> > elements and I'm pretty bad at this drawing :) The usecase is Source is an
> > MPTS IP stream, Element 2 is a tee, Branch 1 decodes program 1 and Branch 2
> > decodes Program 2
> >
> > ~BO
> >
> >
> >
> > --
> > View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Handling-of-hang-in-one-branch-of-pipeline-tp4661865.html
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