Can't located plugin on Ubuntu 18.04

[Martin Vachovski]

Hi Jim,

>>> I'm not sure if the "with 0 features" is the problem
I have seen something similar before and yes, seems the "0 features" is the problem.
That basically means that gstreamer couldn't find/register the feature (gst element).
It could happen if some further dependency of your element fails. I think the plugin's register
function fails. In my case it was because of some .so versions mismatch and some missing function, but that was
quite some time ago and with very older version of gstreamer

Try:
gst-inspect-1.0 libgstbreakout-1.0.so
and see if it reports any errors

As a last resort, if you can easily modify/recompile your plugin,
you can remove from it any external libs and see when it starts to register successfully

Hope any of the suggestions make sense
Martin

________________________________________
From: gstreamer-devel <gstreamer-devel-bounces at lists.freedesktop.org> on behalf of jimfcarroll <jimfcarroll at gmail.com>
Sent: Tuesday, June 12, 2018 5:54 AM
To: gstreamer-devel at lists.freedesktop.org
Subject: Can't located plugin on Ubuntu 18.04

Hello all,

I originally posted this on the java group but I thought it perhaps makes
more sense here.

I had this working a few weeks ago on Ubuntu 16.04 but it doesn't seem to be
working using 18.04 on a new computer.

I have a custom plugin and I set both LD_LIBRARY_PATH and
GST_PLUGIN_PATH_1_0. I also run with --gst-plugin-path. When I run
gst-launch-1.0/gst-inspect-1.0 or my java app with GST_DEBUG set to 5 I can
see it's consulting the library with the plugin.

0:00:15.551610634 21130 0x5561b9770200 DEBUG           GST_REGISTRY
gstregistry.c:466:gst_registry_add_plugin:<registry0> adding plugin
0x5561b99a6180 for filename "./build/libgstbreakout-1.0.so"
0:00:15.551619991 21130 0x5561b9770200 DEBUG           GST_REGISTRY
gstregistrychunks.c:879:_priv_gst_registry_chunks_load_plugin: Added plugin
'libgstbreakout-1.0.so' plugin with 0 features from binary registry

I'm not sure if the "with 0 features" is the problem because I'm not sure
what it used to do (since I never had this problem before so I didn't
example level 5 debug output) but I haven't changed a single line of code in
the plugin.

Does anyone have any suggestions?

Thanks
Jim



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