Fix memory leaks. More to come.

Original commit message from CVS:
* ext/alsaspdif/alsaspdifsink.c:
* ext/timidity/gsttimidity.c:
* ext/timidity/gstwildmidi.c:
* gst/mpegvideoparse/mpegvideoparse.c:
Fix memory leaks. More to come.
* tests/check/Makefile.am:
* tests/check/generic/states.c:
Improved state change unit test.

7 files changed, 161 insertions, 37 deletions

diff --git a/ChangeLog b/ChangeLog
index 37159730..e62df269 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2007-09-20  Stefan Kost  <ensonic@users.sf.net>
+
+	* ext/alsaspdif/alsaspdifsink.c:
+	* ext/timidity/gsttimidity.c:
+	* ext/timidity/gstwildmidi.c:
+	* gst/mpegvideoparse/mpegvideoparse.c:
+	  Fix memory leaks. More to come.
+
+	* tests/check/Makefile.am:
+	* tests/check/generic/states.c:
+	  Improved state change unit test.	  
+
 2007-09-20  Wim Taymans  <wim.taymans@gmail.com>
 
 	* gst/rtpmanager/gstrtpbin.c: (on_ssrc_active), (create_session),
diff --git a/ext/alsaspdif/alsaspdifsink.c b/ext/alsaspdif/alsaspdifsink.c
index f59a1563..bc1e2276 100644
--- a/ext/alsaspdif/alsaspdifsink.c
+++ b/ext/alsaspdif/alsaspdifsink.c
@@ -589,6 +589,7 @@ alsaspdifsink_find_pcm_device (AlsaSPDIFSink * sink)
 beach:
   if (pcm)
     snd_pcm_close (pcm);
+  snd_ctl_elem_list_clear (clist);
   snd_ctl_close (ctl);
   return err;
 }
diff --git a/ext/timidity/gsttimidity.c b/ext/timidity/gsttimidity.c
index bbd89c98..1a51fe38 100644
--- a/ext/timidity/gsttimidity.c
+++ b/ext/timidity/gsttimidity.c
@@ -818,17 +818,19 @@ static gboolean
 plugin_init (GstPlugin * plugin)
 {
   static gchar *exts[] = { "mid", "midi", NULL };
-  /* exchange the strings 'plugin' and 'Template plugin' with your
-   * plugin name and description */
+  GstCaps *caps;
+
   GST_DEBUG_CATEGORY_INIT (gst_timidity_debug, "timidity",
       0, "Timidity plugin");
 
+  caps = gst_caps_new_simple ("audio/midi", NULL);
   if (!gst_type_find_register (plugin, "audio/midi", GST_RANK_PRIMARY,
-          gst_timidity_typefind, exts,
-          gst_caps_new_simple ("audio/midi", NULL), NULL, NULL)) {
+          gst_timidity_typefind, exts, caps, NULL, NULL)) {
     GST_WARNING ("can't register typefind");
+    gst_caps_unref (caps);
     return FALSE;
   }
+  gst_caps_unref (caps);
 
   return gst_element_register (plugin, "timidity",
       GST_RANK_PRIMARY, GST_TYPE_TIMIDITY);
diff --git a/ext/timidity/gstwildmidi.c b/ext/timidity/gstwildmidi.c
index 16b9f172..e975a18a 100644
--- a/ext/timidity/gstwildmidi.c
+++ b/ext/timidity/gstwildmidi.c
@@ -912,17 +912,19 @@ static gboolean
 plugin_init (GstPlugin * plugin)
 {
   static gchar *exts[] = { "mid", "midi", NULL };
-  /* exchange the strings 'plugin' and 'Template plugin' with your
-   * plugin name and description */
+  GstCaps *caps;
+
   GST_DEBUG_CATEGORY_INIT (gst_wildmidi_debug, "wildmidi",
       0, "Wildmidi plugin");
 
+  caps = gst_caps_new_simple ("audio/midi", NULL);
   if (!gst_type_find_register (plugin, "audio/midi", GST_RANK_SECONDARY,
-          gst_wildmidi_typefind, exts,
-          gst_caps_new_simple ("audio/midi", NULL), NULL, NULL)) {
+          gst_wildmidi_typefind, exts, caps, NULL, NULL)) {
     GST_WARNING ("can't register typefind");
+    gst_caps_unref (caps);
     return FALSE;
   }
+  gst_caps_unref (caps);
 
   return gst_element_register (plugin, "wildmidi",
       GST_RANK_SECONDARY, GST_TYPE_WILDMIDI);
diff --git a/gst/mpegvideoparse/mpegvideoparse.c b/gst/mpegvideoparse/mpegvideoparse.c
index cd5fd699..ffce53ba 100644
--- a/gst/mpegvideoparse/mpegvideoparse.c
+++ b/gst/mpegvideoparse/mpegvideoparse.c
@@ -89,7 +89,7 @@ enum
 static void gst_mpegvideoparse_class_init (MpegVideoParseClass * klass);
 static void gst_mpegvideoparse_base_init (MpegVideoParseClass * klass);
 static void gst_mpegvideoparse_init (MpegVideoParse * mpegvideoparse);
-static void gst_mpegvideoparse_dispose (MpegVideoParse * mpegvideoparse);
+static void gst_mpegvideoparse_dispose (GObject * object);
 
 static GstFlowReturn gst_mpegvideoparse_chain (GstPad * pad, GstBuffer * buf);
 static gboolean mpv_parse_sink_event (GstPad * pad, GstEvent * event);
@@ -185,10 +185,14 @@ gst_mpegvideoparse_init (MpegVideoParse * mpegvideoparse)
 }
 
 void
-gst_mpegvideoparse_dispose (MpegVideoParse * mpegvideoparse)
+gst_mpegvideoparse_dispose (GObject * object)
 {
+  MpegVideoParse *mpegvideoparse = GST_MPEGVIDEOPARSE (object);
+
   mpeg_packetiser_free (&mpegvideoparse->packer);
   gst_buffer_replace (&mpegvideoparse->seq_hdr_buf, NULL);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
 }
 
 static gboolean
diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 945d9e6f..80a94e61 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -1,6 +1,6 @@
 include $(top_srcdir)/common/check.mak
 
-CHECK_REGISTRY = $(top_builddir)/tests/check/test-registry.xml
+CHECK_REGISTRY = $(top_builddir)/tests/check/test-registry.reg
 
 GST_TOOLS_DIR = $(top_builddir)/tools
 
@@ -12,7 +12,8 @@ REGISTRY_ENVIRONMENT = \
 TESTS_ENVIRONMENT = \
         $(REGISTRY_ENVIRONMENT)                                 \
         GST_PLUGIN_SYSTEM_PATH=					\
-        GST_PLUGIN_PATH=$(top_builddir)/gst:$(top_builddir)/sys:$(top_builddir)/ext:$(GSTPB_PLUGINS_DIR):$(GST_PLUGINS_DIR)
+        GST_PLUGIN_PATH=$(top_builddir)/gst:$(top_builddir)/sys:$(top_builddir)/ext:$(GSTPB_PLUGINS_DIR):$(GST_PLUGINS_DIR) \
+        STATE_IGNORE_ELEMENTS="glimagesink"
 
 plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
 
@@ -20,7 +21,7 @@ plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
 install-pluginLTLIBRARIES:
 
 # the core dumps of some machines have PIDs appended
-CLEANFILES = core.* test-registry.xml
+CLEANFILES = core.* test-registry.*
 
 SUPPRESSIONS = $(top_srcdir)/common/gst.supp $(srcdir)/gst-plugins-bad.supp
 
diff --git a/tests/check/generic/states.c b/tests/check/generic/states.c
index c13f3dd7..6b5ab990 100644
--- a/tests/check/generic/states.c
+++ b/tests/check/generic/states.c
@@ -28,15 +28,17 @@
 
 #include <gst/check/gstcheck.h>
 
-GST_START_TEST (test_state_changes)
+static GList *elements = NULL;
+
+static void
+setup ()
 {
-  GstElement *element;
   GList *features, *f;
   GList *plugins, *p;
   gchar **ignorelist = NULL;
   const gchar *STATE_IGNORE_ELEMENTS = NULL;
 
-  GST_DEBUG ("testing elements from source %s", PACKAGE);
+  GST_DEBUG ("getting elements for package %s", PACKAGE);
   STATE_IGNORE_ELEMENTS = g_getenv ("STATE_IGNORE_ELEMENTS");
   if (STATE_IGNORE_ELEMENTS) {
     GST_DEBUG ("Will ignore element factories: '%s'", STATE_IGNORE_ELEMENTS);
@@ -76,26 +78,8 @@ GST_START_TEST (test_state_changes)
           continue;
       }
 
-      GST_DEBUG ("testing element %s", name);
-      element = gst_element_factory_make (name, name);
-      fail_if (element == NULL, "Could not make element from factory %s", name);
-
-      if (GST_IS_PIPELINE (element)) {
-        GST_DEBUG ("element %s is a pipeline", name);
-      }
-
-      gst_element_set_state (element, GST_STATE_READY);
-      gst_element_set_state (element, GST_STATE_PAUSED);
-      gst_element_set_state (element, GST_STATE_PLAYING);
-      gst_element_set_state (element, GST_STATE_PAUSED);
-      gst_element_set_state (element, GST_STATE_READY);
-      gst_element_set_state (element, GST_STATE_NULL);
-      gst_element_set_state (element, GST_STATE_PAUSED);
-      gst_element_set_state (element, GST_STATE_READY);
-      gst_element_set_state (element, GST_STATE_PLAYING);
-      gst_element_set_state (element, GST_STATE_PAUSED);
-      gst_element_set_state (element, GST_STATE_NULL);
-      gst_object_unref (GST_OBJECT (element));
+      GST_DEBUG ("adding element %s", name);
+      elements = g_list_prepend (elements, (gpointer) g_strdup (name));
     }
     gst_plugin_feature_list_free (features);
   }
@@ -103,8 +87,123 @@ GST_START_TEST (test_state_changes)
   g_strfreev (ignorelist);
 }
 
+static void
+teardown ()
+{
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    g_free (e->data);
+  }
+  g_list_free (elements);
+  elements = NULL;
+}
+
+
+GST_START_TEST (test_state_changes_up_and_down_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_DEBUG ("testing element %s", name);
+    element = gst_element_factory_make (name, name);
+    fail_if (element == NULL, "Could not make element from factory %s", name);
+
+    if (GST_IS_PIPELINE (element)) {
+      GST_DEBUG ("element %s is a pipeline", name);
+    }
+
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_NULL);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_NULL);
+    gst_object_unref (GST_OBJECT (element));
+  }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_state_changes_up_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_DEBUG ("testing element %s", name);
+    element = gst_element_factory_make (name, name);
+    fail_if (element == NULL, "Could not make element from factory %s", name);
+
+    if (GST_IS_PIPELINE (element)) {
+      GST_DEBUG ("element %s is a pipeline", name);
+    }
+
+    gst_element_set_state (element, GST_STATE_READY);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+
+    gst_element_set_state (element, GST_STATE_NULL);
+    gst_object_unref (GST_OBJECT (element));
+  }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_state_changes_down_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_DEBUG ("testing element %s", name);
+    element = gst_element_factory_make (name, name);
+    fail_if (element == NULL, "Could not make element from factory %s", name);
+
+    if (GST_IS_PIPELINE (element)) {
+      GST_DEBUG ("element %s is a pipeline", name);
+    }
+
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_PLAYING);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    gst_element_set_state (element, GST_STATE_READY);
+    gst_element_set_state (element, GST_STATE_NULL);
+    gst_object_unref (GST_OBJECT (element));
+  }
+}
+
 GST_END_TEST;
 
+
 Suite *
 states_suite (void)
 {
@@ -112,7 +211,10 @@ states_suite (void)
   TCase *tc_chain = tcase_create ("general");
 
   suite_add_tcase (s, tc_chain);
-  tcase_add_test (tc_chain, test_state_changes);
+  tcase_add_checked_fixture (tc_chain, setup, teardown);
+  tcase_add_test (tc_chain, test_state_changes_up_and_down_seq);
+  tcase_add_test (tc_chain, test_state_changes_up_seq);
+  tcase_add_test (tc_chain, test_state_changes_down_seq);
 
   return s;
 }