*decodebin*: don't leak pad templates set on ghostpads

https://bugzilla.gnome.org/show_bug.cgi?id=635067

3 files changed, 20 insertions, 7 deletions

diff --git a/gst/playback/gstdecodebin.c b/gst/playback/gstdecodebin.c
index afb8d60ab..13c8ebdd2 100644
--- a/gst/playback/gstdecodebin.c
+++ b/gst/playback/gstdecodebin.c
@@ -392,6 +392,7 @@ gst_decode_bin_init (GstDecodeBin * decode_bin)
     g_warning ("can't find typefind element, decodebin will not work");
   } else {
     GstPad *pad, *gpad;
+    GstPadTemplate *pad_tmpl;
 
     /* add the typefind element */
     if (!gst_bin_add (GST_BIN (decode_bin), decode_bin->typefind)) {
@@ -403,12 +404,15 @@ gst_decode_bin_init (GstDecodeBin * decode_bin)
     /* get the sinkpad */
     pad = gst_element_get_static_pad (decode_bin->typefind, "sink");
 
+    /* get the pad template */
+    pad_tmpl = gst_static_pad_template_get (&decoder_bin_sink_template);
+
     /* ghost the sink pad to ourself */
-    gpad = gst_ghost_pad_new_from_template ("sink", pad,
-        gst_static_pad_template_get (&decoder_bin_sink_template));
+    gpad = gst_ghost_pad_new_from_template ("sink", pad, pad_tmpl);
     gst_pad_set_active (gpad, TRUE);
     gst_element_add_pad (GST_ELEMENT (decode_bin), gpad);
 
+    gst_object_unref (pad_tmpl);
     gst_object_unref (pad);
 
     /* connect a signal to find out when the typefind element found
diff --git a/gst/playback/gstdecodebin2.c b/gst/playback/gstdecodebin2.c
index 3efeb3116..0255fd294 100644
--- a/gst/playback/gstdecodebin2.c
+++ b/gst/playback/gstdecodebin2.c
@@ -919,6 +919,7 @@ gst_decode_bin_init (GstDecodeBin * decode_bin)
   } else {
     GstPad *pad;
     GstPad *gpad;
+    GstPadTemplate *pad_tmpl;
 
     /* add the typefind element */
     if (!gst_bin_add (GST_BIN (decode_bin), decode_bin->typefind)) {
@@ -930,12 +931,15 @@ gst_decode_bin_init (GstDecodeBin * decode_bin)
     /* get the sinkpad */
     pad = gst_element_get_static_pad (decode_bin->typefind, "sink");
 
+    /* get the pad template */
+    pad_tmpl = gst_static_pad_template_get (&decoder_bin_sink_template);
+
     /* ghost the sink pad to ourself */
-    gpad = gst_ghost_pad_new_from_template ("sink", pad,
-        gst_static_pad_template_get (&decoder_bin_sink_template));
+    gpad = gst_ghost_pad_new_from_template ("sink", pad, pad_tmpl);
     gst_pad_set_active (gpad, TRUE);
     gst_element_add_pad (GST_ELEMENT (decode_bin), gpad);
 
+    gst_object_unref (pad_tmpl);
     gst_object_unref (pad);
 
     /* connect a signal to find out when the typefind element found
@@ -3406,16 +3410,19 @@ static GstDecodePad *
 gst_decode_pad_new (GstDecodeBin * dbin, GstPad * pad, GstDecodeChain * chain)
 {
   GstDecodePad *dpad;
+  GstPadTemplate *pad_tmpl;
 
   GST_DEBUG_OBJECT (dbin, "making new decodepad");
+  pad_tmpl = gst_static_pad_template_get (&decoder_bin_src_template);
   dpad =
       g_object_new (GST_TYPE_DECODE_PAD, "direction", GST_PAD_DIRECTION (pad),
-      "template", gst_static_pad_template_get (&decoder_bin_src_template),
+      "template", pad_tmpl,
       NULL);
   gst_ghost_pad_construct (GST_GHOST_PAD_CAST (dpad));
   gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (dpad), pad);
   dpad->chain = chain;
   dpad->dbin = dbin;
+  gst_object_unref (pad_tmpl);
 
   return dpad;
 }
diff --git a/gst/playback/gsturidecodebin.c b/gst/playback/gsturidecodebin.c
index a76c95011..da583fcc2 100644
--- a/gst/playback/gsturidecodebin.c
+++ b/gst/playback/gsturidecodebin.c
@@ -832,6 +832,7 @@ new_decoded_pad_cb (GstElement * element, GstPad * pad, gboolean last,
     GstURIDecodeBin * decoder)
 {
   GstPad *newpad;
+  GstPadTemplate *pad_tmpl;
   gchar *padname;
 
   GST_DEBUG_OBJECT (element, "new decoded pad, name: <%s>. Last: %d",
@@ -842,8 +843,9 @@ new_decoded_pad_cb (GstElement * element, GstPad * pad, gboolean last,
   decoder->numpads++;
   GST_URI_DECODE_BIN_UNLOCK (decoder);
 
-  newpad = gst_ghost_pad_new_from_template (padname, pad,
-      gst_static_pad_template_get (&srctemplate));
+  pad_tmpl = gst_static_pad_template_get (&srctemplate);
+  newpad = gst_ghost_pad_new_from_template (padname, pad, pad_tmpl);
+  gst_object_unref (pad_tmpl);
   g_free (padname);
 
   /* store ref to the ghostpad so we can remove it */