videodiff
The videodiff element highlights the difference between a frame and its previous on the luma plane.
Example launch line
 gst-launch-1.0 -v videotestsrc pattern=ball ! videodiff ! videoconvert ! autovideosink
Hierarchy
GObject ╰──GInitiallyUnowned ╰──GstObject ╰──GstElement ╰──GstBaseTransform ╰──GstVideoFilter ╰──videodiff
Factory details
Authors: – David Schleef 
Classification: – Video/Filter
Rank – none
Plugin – videofiltersbad
Package – GStreamer Bad Plug-ins
Pad Templates
sink
        video/x-raw:
         format: { I420, Y444, Y42B, Y41B }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
src
        video/x-raw:
         format: { I420, Y444, Y42B, Y41B }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
The results of the search are