Huge delay in starting v4l2src ! fakesink pipeline

[Nicolas Dufresne]

Le vendredi 07 août 2015 à 06:39 -0700, Baby Octopus a écrit :
> I'm running following two pipelines in parallel
> 
> *gst-launch-1.0 v4l2src device=/dev/video0  ! fakesink
> gst-launch-1.0 v4l2src device=/dev/video1  ! fakesink*
> 
> While the first device works perfectly, the second independent 
> pipeline
> takes about 50seconds to start!! GDB trace shows the wait in some 
> pthread
> function. The 2nd one starts immediately if I do not run the first 
> pipeline.
> Does anyone have any clue here?

What version of GStreamer is this ? Can you dump the information about
these two devices ?

Nicolas

p.s this the backtrace is useless it seems :-(, older version of
GStreamer are known to over probe devices that exposes many resolution
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