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faceoverlay: clear overlay if the face disappears

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This commit is contained in:
Tim-Philipp Müller 2012-03-15 18:26:24 +00:00
parent 36a6a13f1c
commit 3f07ebcc37
1 changed files with 7 additions and 2 deletions
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9
gst/faceoverlay/gstfaceoverlay.c
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@ -211,9 +211,14 @@ gst_face_overlay_handle_faces (GstFaceOverlay * filter, GstStructure * s)
face_count = gst_value_list_get_size (faces_list);
GST_LOG_OBJECT (filter, "face count: %d", face_count);
/* FIXME: should we clear the overlay in this case? */
if (face_count == 0)
if (face_count == 0) {
GST_DEBUG_OBJECT (filter, "no face, clearing overlay");
g_object_set (filter->svg_overlay, "location", NULL, NULL);
GST_OBJECT_LOCK (filter);
filter->update_svg = TRUE;
GST_OBJECT_UNLOCK (filter);
return;
}
/* The last face in the list seems to be the right one, objects mistakenly
* detected as faces for a couple of frames seem to be in the list