faceblur: Release memory storage

And also release cvImages and memory storage when changing caps or reusing the
element.

1 files changed, 7 insertions, 0 deletions

diff --git a/ext/opencv/gstfaceblur.c b/ext/opencv/gstfaceblur.c
index 073dea06a..9c7d79512 100644
--- a/ext/opencv/gstfaceblur.c
+++ b/ext/opencv/gstfaceblur.c
@@ -121,6 +121,7 @@ gst_face_blur_finalize (GObject * obj)
   if (filter->cvImage) {
     cvReleaseImage (&filter->cvImage);
     cvReleaseImage (&filter->cvGray);
+    cvReleaseMemStorage (&filter->cvStorage);
   }
 
   g_free (filter->profile);
@@ -241,6 +242,12 @@ gst_face_blur_handle_sink_event (GstPad * pad, GstObject * parent,
       gst_structure_get_int (structure, "width", &width);
       gst_structure_get_int (structure, "height", &height);
 
+      if (filter->cvImage) {
+        cvReleaseImage (&filter->cvImage);
+        cvReleaseImage (&filter->cvGray);
+        cvReleaseMemStorage (&filter->cvStorage);
+      }
+
       filter->cvImage = cvCreateImage (cvSize (width, height), IPL_DEPTH_8U, 3);
       filter->cvGray = cvCreateImage (cvSize (width, height), IPL_DEPTH_8U, 1);
       filter->cvStorage = cvCreateMemStorage (0);