Fix all leaks due to the bug in gst_pad_template_new() by which it does not steal the refcount of the given caps as s...

Original commit message from CVS:
* gst/gstutils.c: (gst_element_get_compatible_pad):
* tests/check/gst/gstghostpad.c: (GST_START_TEST):
* tests/check/gst/gstpad.c: (name_is_valid), (GST_START_TEST):
Fix all leaks due to the bug in gst_pad_template_new() by which it does
not steal the refcount of the given caps as stated.
REVERT THIS COMMIT ONCE FIXED !
REVERT THIS COMMIT ONCE FIXED !
REVERT THIS COMMIT ONCE FIXED !
REVERT THIS COMMIT ONCE FIXED !
REVERT THIS COMMIT ONCE FIXED !
REVERT THIS COMMIT ONCE FIXED !

ChangeLog

@@ -1,3 +1,18 @@
+2008-08-30  Edward Hervey  <edward.hervey@collabora.co.uk>
+
+	* gst/gstutils.c: (gst_element_get_compatible_pad):
+	* tests/check/gst/gstghostpad.c: (GST_START_TEST):
+	* tests/check/gst/gstpad.c: (name_is_valid), (GST_START_TEST):
+	Fix all leaks due to the bug in gst_pad_template_new() by which it does
+	not steal the refcount of the given caps as stated.
+
+	REVERT THIS COMMIT ONCE FIXED !
+	REVERT THIS COMMIT ONCE FIXED !
+	REVERT THIS COMMIT ONCE FIXED !
+	REVERT THIS COMMIT ONCE FIXED !
+	REVERT THIS COMMIT ONCE FIXED !
+	REVERT THIS COMMIT ONCE FIXED !
+
 2008-08-29  Wim Taymans  <wim.taymans@collabora.co.uk>
 
 	* gst/gstiterator.c:

gst/gstutils.c

@@ -969,6 +969,12 @@ gst_element_get_compatible_pad (GstElement * element, GstPad * pad,
 
   templ = gst_pad_template_new ((gchar *) GST_PAD_NAME (pad),
       GST_PAD_DIRECTION (pad), GST_PAD_ALWAYS, templcaps);
+
+  /* FIXME : Because of a bug in gst_pad_template_new() by which is does not
+   * properly steal the refcount of the given caps, we have to unref these caps
+   * REVERT THIS WHEN FIXED !*/
+  gst_caps_unref (templcaps);
+
   foundpad = gst_element_request_compatible_pad (element, templ);
   gst_object_unref (templ);
 

tests/check/gst/gstghostpad.c

@@ -558,18 +558,27 @@ GST_START_TEST (test_ghost_pads_new_from_template)
   GstPadTemplate *padtempl, *ghosttempl;
 
   GstCaps *padcaps, *ghostcaps, *newcaps;
+  GstCaps *copypadcaps;
 
   padcaps = gst_caps_from_string ("some/caps");
   fail_unless (padcaps != NULL);
   ghostcaps = gst_caps_from_string ("some/caps;some/other-caps");
   fail_unless (ghostcaps != NULL);
 
+  copypadcaps = gst_caps_copy (padcaps);
   padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK,
-      GST_PAD_ALWAYS, gst_caps_copy (padcaps));
+      GST_PAD_ALWAYS, copypadcaps);
   fail_unless (padtempl != NULL);
   ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK,
       GST_PAD_ALWAYS, ghostcaps);
 
+  /* FIXME : We should not have to unref those caps, but due to 
+   * a bug in gst_pad_template_new() not stealing the refcount of
+   * the given caps we have to. */
+  gst_caps_unref (ghostcaps);
+  gst_caps_unref (copypadcaps);
+
+
   sinkpad = gst_pad_new_from_template (padtempl, "sinkpad");
   fail_unless (sinkpad != NULL);
 
@@ -602,17 +611,27 @@ GST_START_TEST (test_ghost_pads_new_no_target_from_template)
   GstPadTemplate *padtempl, *ghosttempl;
 
   GstCaps *padcaps, *ghostcaps, *newcaps;
+  GstCaps *copypadcaps, *copyghostcaps;
 
   padcaps = gst_caps_from_string ("some/caps");
   fail_unless (padcaps != NULL);
   ghostcaps = gst_caps_from_string ("some/caps;some/other-caps");
   fail_unless (ghostcaps != NULL);
 
+  copypadcaps = gst_caps_copy (padcaps);
+  copyghostcaps = gst_caps_copy (ghostcaps);
+
   padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK,
-      GST_PAD_ALWAYS, gst_caps_copy (padcaps));
+      GST_PAD_ALWAYS, copypadcaps);
   fail_unless (padtempl != NULL);
   ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK,
-      GST_PAD_ALWAYS, gst_caps_copy (ghostcaps));
+      GST_PAD_ALWAYS, copyghostcaps);
+
+  /* FIXME : We should not have to unref those caps, but due to 
+   * a bug in gst_pad_template_new() not stealing the refcount of
+   * the given caps we have to. */
+  gst_caps_unref (copyghostcaps);
+  gst_caps_unref (copypadcaps);
 
   sinkpad = gst_pad_new_from_template (padtempl, "sinkpad");
   fail_unless (sinkpad != NULL);

tests/check/gst/gstpad.c

@@ -203,10 +203,15 @@ static gboolean
 name_is_valid (const gchar * name, GstPadPresence presence)
 {
   GstPadTemplate *new;
+  GstCaps *any = GST_CAPS_ANY;
 
-  new = gst_pad_template_new (name, GST_PAD_SRC, presence, GST_CAPS_ANY);
+  new = gst_pad_template_new (name, GST_PAD_SRC, presence, any);
   if (new) {
     gst_object_unref (GST_OBJECT (new));
+    /* FIXME : We should not have to unref those caps, but due to 
+     * a bug in gst_pad_template_new() not stealing the refcount of
+     * the given caps we have to. */
+    gst_caps_unref (any);
     return TRUE;
   }
   return FALSE;
@@ -463,16 +468,26 @@ GST_START_TEST (test_push_negotiation)
 {
   GstPad *src, *sink;
   GstPadLinkReturn plr;
-  GstPadTemplate *src_template = gst_pad_template_new ("src", GST_PAD_SRC,
+  GstCaps *srccaps =
-      GST_PAD_ALWAYS,
+      gst_caps_from_string ("audio/x-raw-int,width={16,32},depth={16,32}");
-      gst_caps_from_string ("audio/x-raw-int,width={16,32},depth={16,32}"));
+  GstCaps *sinkcaps =
-  GstPadTemplate *sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
+      gst_caps_from_string ("audio/x-raw-int,width=32,depth={16,32}");
-      GST_PAD_ALWAYS,
+  GstPadTemplate *src_template;
-      gst_caps_from_string ("audio/x-raw-int,width=32,depth={16,32}"));
+  GstPadTemplate *sink_template;
   GstCaps *caps;
   GstBuffer *buffer;
 
   /* setup */
+  src_template = gst_pad_template_new ("src", GST_PAD_SRC,
+      GST_PAD_ALWAYS, srccaps);
+  sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
+      GST_PAD_ALWAYS, sinkcaps);
+  /* FIXME : We should not have to unref those caps, but due to 
+   * a bug in gst_pad_template_new() not stealing the refcount of
+   * the given caps we have to. */
+  gst_caps_unref (srccaps);
+  gst_caps_unref (sinkcaps);
+
   sink = gst_pad_new_from_template (sink_template, "sink");
   fail_if (sink == NULL);
   gst_pad_set_chain_function (sink, gst_check_chain_func);
@@ -588,17 +603,23 @@ GST_START_TEST (test_get_caps_must_be_copy)
   caps = gst_caps_new_any ();
   templ =
       gst_pad_template_new ("test_templ", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
+  /* FIXME : This is not correct behaviour, but due to a bug with
+   * gst_pad_template_new() not stealing the refcount of the given caps,
+   * we need to unref it */
+  gst_caps_unref (caps);
+
   pad = gst_pad_new_from_template (templ, NULL);
   fail_unless (GST_PAD_CAPS (pad) == NULL, "caps present on pad");
+  /* This is a writable copy ! */
   caps = gst_pad_get_caps (pad);
 
   /* we must own the caps */
   ASSERT_OBJECT_REFCOUNT (caps, "caps", 1);
 
   /* cleanup */
+  gst_object_unref (templ);
   gst_caps_unref (caps);
   gst_object_unref (pad);
-  gst_object_unref (templ);
 }
 
 GST_END_TEST;