[Bug 629244] [opencv] Add motion detection element

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=629244
  GStreamer | gst-plugins-bad | git

Tim-Philipp Müller <t.i.m> changed:

           What    |Removed                     |Added
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                 CC|                            |t.i.m at zen.co.uk

--- Comment #130 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2011-07-17 11:19:09 UTC ---
> 1) actually we lock in gst_motion_cells_chain, so every time we process a frame
> and when we set a property (gst_motion_cells_set_property), this allow to
> dynamically change a property in a safe way, however I think not all will use
> the plugin this way and a lock for every frame could be expensive, I would like
> to make a property to enable this, I think the default should be disabled.

Please just don't worry about this too much. I really don't think we want or
need yet another property for this. It shouldn't be that expensive really, esp.
in comparison to any image processing algorithms, and also there's no
contention on that lock. In any case, make it work first, optimise later.

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