edgetv: don't leave bits of the output buffer uninitialized

Let's initialize them to zero. It looks alright, but then it
also looks alright with v3, or with the corresponding pixels
from the source. I don't know what the original intent would
be, and the original effectv source also has this bug/feature.

https://bugzilla.gnome.org/show_bug.cgi?id=661841

diff --git a/gst/effectv/gstedge.c b/gst/effectv/gstedge.c
index f4b7762..6b6b092 100644 (file)
--- a/gst/effectv/gstedge.c
+++ b/gst/effectv/gstedge.c
@@ -189,8 +189,12 @@ gst_edgetv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
       dest[width + 3] = v3;
       dest[width * 2] = v2;
       dest[width * 2 + 1] = v2;
+      dest[width * 2 + 2] = 0;
+      dest[width * 2 + 3] = 0;
       dest[width * 3] = v2;
       dest[width * 3 + 1] = v2;
+      dest[width * 3 + 2] = 0;
+      dest[width * 3 + 3] = 0;
 
       src += 4;
       dest += 4;