practical usage of the sync property on sinks

[Marianna Smidth Buschle]

I get the basic usage of the sync property of sink elements, fx when 
viewing a video from a live (camera) or file src.


I normally use sync=0 in the autovideosink when I have a live src 
because my machine often has problems being able to display fast enough, 
so sync=1 stutters.

While if I use a filesrc I know that sync=0 will play the file faster 
than the fps, which doesnt happens with a live src since it cant produce 
frames faster than the fps.


My question is what about other types of sink?
Where does it make sense to use true/false? Which consequences does it have?

Fx a udpsink when streaming?

Or an appsink?

Or a filesink?

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Best regards / Med venlig hilsen
“Marianna Smidth Buschle”