switch to non-tunnel mode for renderlib

Change-Id: I524955a2b88009272da4780d55acff2432b295ca
diff --git a/src/gstamlvideosink.c b/src/gstamlvideosink.c
index fc0c1b3..3ff7357 100644
--- a/src/gstamlvideosink.c
+++ b/src/gstamlvideosink.c
@@ -1359,7 +1359,7 @@
     GstAmlVideoSink *sink = GST_AML_VIDEO_SINK(vsink);
     GstAmlVideoSinkPrivate *sink_priv = GST_AML_VIDEO_SINK_GET_PRIVATE(sink);
     GstVideoInfo *video_info = &(sink_priv->video_info);
-    int tunnelmode = 1; // 1 for tunnel mode; 0 for non-tunnel mode
+    int tunnelmode = 0; // 1 for tunnel mode; 0 for non-tunnel mode
 
     // RenderWindowSize window_size = {0, 0, video_info->width, video_info->height};
     RenderFrameSize frame_size = {video_info->width, video_info->height};