[Bug 655622] [opencv] [PATCH] Feature requests and bug fixes for gstOpenCV

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=655622
  GStreamer | gst-plugins-bad | git

--- Comment #40 from Nicola <lists at svrinformatica.it> 2012-06-20 09:04:00 UTC ---
Created an attachment (id=216801)
 View: https://bugzilla.gnome.org/attachment.cgi?id=216801
 Review: https://bugzilla.gnome.org/review?bug=655622&attachment=216801

facedetect: avoid to post a bus message for each frame if no faces are detected

This patch does not change the api for facedetect (so existing apps should
continue to work with no modifications) but, instead of post a bus message for
each frame if no faces are detected, bus messages are posted only when a face
is detected or no face is detected and a face was detected in the previous
frame. So an app is notified when we don't see the face anymore
(http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?h=0.10&id=fbcee587f456dfca7c8dd2fbf163d12804ffd81c)
but the bus messages are reduced

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