GSTMETA is removed when some elements are used.

[kgopelo99]

I am trying to add metadata based on 
https://gstreamer.freedesktop.org/documentation/plugin-development/advanced/allocation.html?gi-language=c#gstmeta
<https://gstreamer.freedesktop.org/documentation/plugin-development/advanced/allocation.html?gi-language=c#gstmeta> 
that will be passed throughout the pipeline i.e
appsrc->jpegparse->queue->nvv4l2decoder->nvstreammux->nvinfer->appsink but
the metadata is not found in the sink of the appsink.

But if I have this pipeline appsrc->jpegparse->queue->appsink I can get the
metadata. But If I replace queue with jpegdec, I cannot get the metadata.

Does some elements remove the GSTMETA?
How can I tackle this.



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