[gst-devel] strange problem with two sink elements in a pipeline

[Edward Hervey]

On 1/26/07, Antoine Pitrou <antoine.pitrou at wengo.com> wrote:
>
> Hi,
>
> I encounter a strange behaviour of gstreamer with some custom elements
> written in Python. I have a custom element which acts as a demuxer and
> has one sink pad and two source pads. I want to attach each of those
> source pads to a custom sink element.
>
> I observe the following behaviour:
> - when I add only one sink element to the pipeline, everything works
> fine (buffers flow as intended)
> - when I add two sink elements as intended, things get messy ; buffers
> get to the custom "demuxer" element but, when fed to one of the source
> pads, they aren't transmitted to the linked sink element
>
> I attach a Python program which reproduces this behaviour.
> "python gst-bug.py 0" works fine.
> "python gst-bug.py 1" exhibits the bug: nothings gets at the sink.

  The problem is just that you need queues between your demuxer and sinks.

  One comment though: your demuxer chain function should return the
return value from the push

    Edward

>
> Regards
>
> Antoine.
>
>
>
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-- 
Edward Hervey
Multimedia editing developer / Fluendo S.A.
http://www.pitivi.org/