[gst-devel] Help about dynamic change of a pipeline in a bin

[Stefan Kost]

Luca Ognibene schrieb:
> On Fri, May 01, 2009 at 12:20:52AM +0300, Stefan Kost wrote:
>   
>> Luca Ognibene schrieb:
>>     
>>> Hi! I would like to create a element (GstBin) with a sink pad and N
>>> src request pads. Each time the app
>>> requests a pad the bin should request a pad from a tee element,
>>> creates a bin, attach tee with the bin
>>> and returns the newly created pad.
>>> My problem is that i have hangs/segfaults and i don't really know how
>>> to fix them.. i don't find docs or examples about
>>> this use case.
>>> My test program is this: http://62.94.168.69/filtersbin2.py
>>> Just run it and it'll hangs :)
>>>
>>> Can someone help me? I would love to read docs about this.. but i've
>>> found only part-block.txt and i think
>>> i'm following it..
>>>
>>>       
>> I do exactly that in c:
>> http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/buzztard/src/lib/core/machine.c?view=markup
>> Search for bt_machine_request_new_pad()
>>
>>     
>
> Hi Stefan!
> I've tried to look at your source code but it seems that on
> bt_machine_request_new_pad you're just requesting a pad from a tee element.
> My problem is that i would like to also start and attach a bin while the
> pipeline is playing. If you know any program that does something like this
> (c or python it's not a problem)..
>   
You could use an iterator.
Stefan
> ciao
> Luca
>
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