Error is request_pad and gst_pad_link_full

[Nicolas Dufresne]

Le vendredi 17 juin 2016 à 01:28 -0700, JongIlLee a écrit :
> gstreamer-critical **: gst_pad_link_full: assertion 'GST_IS_PAD
> (srcpad)'
> failed
> 
> I do not know why the error occurred , such as the above .
> 
> Please Ask advice. Thank you.

First step is to find where it happens. GLib has this nice feature that
it can introduce a breakpoint at critical assertions. For this, set
then environment G_DEBUG=fatal_criticals . Then, you can run your
application in GDB and it will break at the assertion location, letting
you know what GstPad you are using that is wrong. It would be a NULL
pointer, a pad that have reached reference 0, or the wrong object
casted to GstPad.

Nicolas
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