diff --git a/gst-libs/gst/gl/gstglfilter.c b/gst-libs/gst/gl/gstglfilter.c
index 4451eb42b9..d5b57192ef 100644
--- a/gst-libs/gst/gl/gstglfilter.c
+++ b/gst-libs/gst/gl/gstglfilter.c
@@ -109,6 +109,8 @@ gst_gl_filter_class_init (GstGLFilterClass * klass)
   klass->display_init_cb = NULL;
   klass->display_reset_cb = NULL;
   klass->onInitFBO = NULL;
+  klass->onStart = NULL;
+  klass->onStop = NULL;
   klass->onReset = NULL;
 }
 
@@ -179,6 +181,12 @@ gst_gl_filter_reset (GstGLFilter* filter)
 static gboolean
 gst_gl_filter_start (GstBaseTransform* bt)
 {
+  GstGLFilter *filter = GST_GL_FILTER (bt);
+  GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
+
+  if (filter_class->onStart)
+    filter_class->onStart (filter);
+  
   return TRUE;
 }
 
@@ -186,6 +194,10 @@ static gboolean
 gst_gl_filter_stop (GstBaseTransform* bt)
 {
   GstGLFilter *filter = GST_GL_FILTER (bt);
+  GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
+
+  if (filter_class->onStop)
+    filter_class->onStop (filter);
 
   gst_gl_filter_reset (filter);
 
diff --git a/gst-libs/gst/gl/gstglfilter.h b/gst-libs/gst/gl/gstglfilter.h
index f4b85b0bbe..d9d23f0599 100644
--- a/gst-libs/gst/gl/gstglfilter.h
+++ b/gst-libs/gst/gl/gstglfilter.h
@@ -46,6 +46,8 @@ typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
 					    GstGLBuffer *inbuf, GstGLBuffer *outbuf);
 typedef void (*GstGLFilterOnInitFBO) (GstGLFilter *filter);
 typedef void (*GstGLFilterOnReset) (GstGLFilter *filter);
+typedef void (*GstGLFilterOnStart) (GstGLFilter *filter);
+typedef void (*GstGLFilterOnStop) (GstGLFilter *filter);
 
 typedef void (*GstGLFilterGLStartFunc) (GstGLFilter *filter);
 typedef void (*GstGLFilterGLStopFunc) (GstGLFilter *filter);
@@ -72,6 +74,8 @@ struct _GstGLFilterClass
   GstGLFilterProcessFunc filter;
   GstGLFilterOnInitFBO onInitFBO;
   
+  GstGLFilterOnStart onStart;
+  GstGLFilterOnStop onStop;
   GstGLFilterOnReset onReset;
 
   /* useful to init and cleanup custom gl resources */