v4l2src: device or resource busy

[IgalKroyter]

hi,

I am trying to restart a pipeline after it was GST_STATE_NULL and
unreferenced. Though after rebuilding the pipeline and trying to start it
the following message is displayed: *"libv4l2: error setting pixformat:
Device or resource busy"*. I guess it is the v4l2src component, as if once I
initialise it, the relevant HW resource is occupied and cannot be release
although the v4l2src component is dereferenced.

Any suggestions? Am I correct?



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