Do VDO frames contain metadata?

[whittenator]

I am attempting to create an auto-focus plugin using the Native SDK. Does the VdoFrame have any information/metadata as to what focus and/or zoom level that it was captured at? Or is there another way to link a frame to a particular focus?

Thanks

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[rocky-ji]

if it is a PTZ camera, you can use VAPIX to get the zoom/focus info
[http:///axis-cgi/com/ptz.cgi?query=position]

https://www.axis.com/vapix-library/subjects/t10175981/section/t10036011/display

[whittenator]

Yeah, we are doing that but we are noticing that it takes ~500-700ms for the focus to settle on the value we give to the camera.

For example, we are using VAPIX to set the focus to a particular value and then we are polling with the VAPX API until the value gets roughly close to the value we set but it's taking too long.