Huge delay in starting v4l2src ! fakesink pipeline

Nicolas Dufresne nicolas.dufresne at collabora.com
Sun Aug 9 20:31:53 PDT 2015


Le vendredi 07 août 2015 à 22:42 -0700, Baby Octopus a écrit :
> Just curious, why would an instance of v4l2 probe all the neighboring
> devices?

We do this once per process in order to feed the provider and create
dynamic elements (decoder and converters). There is no way to know it's
not needed without probing first. We do a subset of the full probing,
so unless you have kernel driver issues, it's all very fast.

Why do you think a kernel bug is unlikely on 3.10 ?

Nicolas
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