Asking for examples of rsonvif

[Mathieu Duponchelle]

Hello Matias,

Yes, documentation is severely lacking for those elements :| In practice on the receiving side I was running pipelines such as:

```
gst-launch-1.0 onvifmetadatacombiner latency=500000000 name=omc ! videoconvert ! onvifmetadataoverlay ! videoconvert ! autovideosink rtspsrc latency=500 add-reference-timestamp-meta=true location="redacted" name=src src. ! application/x-rtp, encoding-name=H264 ! rtph264depay ! h264parse ! avdec_h264 ! omc.media src. ! rtponvifmetadatadepay ! onvifmetadataparse ! omc.meta
```

On the sender side, you are going to want to produce XML data according to the ONVIF specification, route it through `rtponvifmetadatapay` and send it over, I have not done any sort of authoring as part of my work on this to be honest :)

Wishing you luck!

On Thu, 2024-06-27 at 21:19 +0000, Matias Varela via gstreamer-devel wrote:
>  Hi everyone. 
>   
> 
> I'm very new to gstreamer and also to this email list, but I can't find any information on how to use rsonvif ([https://gstreamer.freedesktop.org/documentation/rsonvif](https://gstreamer.freedesktop.org/documentation/rsonvif))
>   
> 
> I'm building an application to take a rtsp stream, detect and track some objects, and then place this metadata according to the ONVIF Profile M specification (using rtponvifmetadatapay). In the end, I need to use onvifmetadataoverlay to see both things together  in the player.  
> This is the general idea, so any information to point me in the right direction is appreciated.
>   
> 
> I saw the code https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/tree/main/net/onvif/src?ref_type=heads, and, beyond a relative new with rust, the code do not have comments or readme to know how I can use it.
>   
> 
> Thanks!
>   
> 
> matuu
>   
> 
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