carrying metadata through gst-rtsp-server pipeline

[ramoncaldeira]

Hi Mathieu,

Thanks for the support.

I understood the GstElement part. I was able to configure extension data in
a similar way using a pad probe but I don't fully understand the metadata
flow.

I registered a meta api using the gst_meta_api_type_register and
gst_meta_register functions and added the metadata to the buffer originated
by appsrc element using the gst_buffer_add_meta function.

I was able to retrieve the metadata from the appsrc element itself using the
gst_buffer_get_meta function, but no data was returned when I tried to
retrieve it from a pad probe on the src pad of the rtph264pay element.



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