[Bug 732734] Potential v4l2src error handling bug

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=732734
  GStreamer | gst-plugins-good | git

--- Comment #4 from Lee Matthews <lee.matthews at spaceapplications.com> 2014-07-08 12:14:41 UTC ---
I've created some code to reproduce the issue. It basically cycles through
device node video3 to video8 trying to create a pipeline (v4l2src to fakesink). 

Initially (if the webcam is plugged in) the code uses video3. On un-plugging
the camera the code tries to open a pipeline on device /dev/video3, if it fails
it moves to /dev/video4 and so on. 

As one unplugs/replugs the camera, the device node number goes up and up, only
ever returning to video3 once the application is closed and the the camera is
unplugged/plugged-in one last time.

I've also attached a dump of /proc/$PID/fs on my Android phone.

I hope this helps.

Lee

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