[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

--- Comment #64 from Nicola <lists at svrinformatica.it> 2011-05-25 06:17:17 UTC ---
You can easily reproduce the issue with a pipeline like this:

gst-launch -m v4l2src ! video/x-raw-yuv,width=320,height=240,framerate=5/1 !
videorate ! video/x-raw-yuv,width=320,height=240,framerate=3/1 !
ffmpegcolorspace ! motioncells postallmotion=true gridx=9 gridy=9
motionmaskcellspos="0:0,0:1,0:2,1:0,1:1,1:2,2:0,2:1,2:2,0:3,0:4,0:5,1:3,1:4,1:5,2:3,2:4,2:5,0:6,0:7,0:8,1:6,1:7,1:8,2:6,2:7,2:8"
sensitivity=0.9 ! ffmpegcolorspace ! xvimagesink

after a short while I see:

"motioncells0" (element): motion,
motion_cells_indices=(string)"2:5\,3:3\,3:4\,3:5\,3:6\,4:3\,4:4\,4:5\,4:6\,5:3\,5:4\,5:5\,5:6\,6:3\,6:4\,6:5\,6:6\,7:4\,7:5\,7:6\,7:7\,8:5\,8:6\,8:7",
motion=(string)5;

where 2:5 is a masked cell,

thanks
Nicola

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