diff --git a/gst/gst.c b/gst/gst.c
index 591d4b0e5e..667650d546 100644
--- a/gst/gst.c
+++ b/gst/gst.c
@@ -217,7 +217,7 @@ parse_debug_category (gchar * str, const gchar ** category)
 }
 
 static gboolean
-parse_debug_level (gchar * str, gint * level)
+parse_debug_level (gchar * str, GstDebugLevel * level)
 {
   if (!str)
     return FALSE;
@@ -227,7 +227,7 @@ parse_debug_level (gchar * str, gint * level)
 
   if (str[0] != NUL && str[1] == NUL
       && str[0] >= '0' && str[0] < '0' + GST_LEVEL_COUNT) {
-    *level = str[0] - '0';
+    *level = (GstDebugLevel) (str[0] - '0');
     return TRUE;
   }
 
@@ -249,7 +249,7 @@ parse_debug_list (const gchar * list)
       gchar **values = g_strsplit (*walk, ":", 2);
 
       if (values[0] && values[1]) {
-        gint level;
+        GstDebugLevel level;
         const gchar *category;
 
         if (parse_debug_category (values[0], &category)
@@ -259,7 +259,7 @@ parse_debug_list (const gchar * list)
 
       g_strfreev (values);
     } else {
-      gint level;
+      GstDebugLevel level;
 
       if (parse_debug_level (*walk, &level))
         gst_debug_set_default_threshold (level);
@@ -909,9 +909,9 @@ parse_one_option (gint opt, const gchar * arg, GError ** err)
     }
 #ifndef GST_DISABLE_GST_DEBUG
     case ARG_DEBUG_LEVEL:{
-      gint tmp = 0;
+      GstDebugLevel tmp = GST_LEVEL_NONE;
 
-      tmp = strtol (arg, NULL, 0);
+      tmp = (GstDebugLevel) strtol (arg, NULL, 0);
       if (tmp >= 0 && tmp < GST_LEVEL_COUNT) {
         gst_debug_set_default_threshold (tmp);
       }
diff --git a/gst/gstbuffer.h b/gst/gstbuffer.h
index c35b5c94b6..8d4c692532 100644
--- a/gst/gstbuffer.h
+++ b/gst/gstbuffer.h
@@ -381,7 +381,7 @@ typedef enum {
  * Combination of all possible fields that can be copied with
  * gst_buffer_copy_into().
  */
-#define GST_BUFFER_COPY_ALL  (GST_BUFFER_COPY_METADATA | GST_BUFFER_COPY_MEMORY)
+#define GST_BUFFER_COPY_ALL  ((GstBufferCopyFlags)(GST_BUFFER_COPY_METADATA | GST_BUFFER_COPY_MEMORY))
 
 /* copies memory or metadata into newly allocated buffer */
 void            gst_buffer_copy_into            (GstBuffer *dest, GstBuffer *src,
diff --git a/gst/gstcaps.c b/gst/gstcaps.c
index a157d5c02d..db4e067b9f 100644
--- a/gst/gstcaps.c
+++ b/gst/gstcaps.c
@@ -1116,7 +1116,7 @@ gst_caps_can_intersect (const GstCaps * caps1, const GstCaps * caps2)
     j = MIN (i, len1 - 1);
     /* subset index stays 0 until i reaches superset->structs->len, then it
      * counts up from 1 to subset->structs->len - 1 */
-    k = MAX (0, i - j);
+    k = (i > j) ? (i - j) : 0;  /* MAX (0, i - j) */
 
     /* now run the diagonal line, end condition is the left or bottom
      * border */
@@ -1187,7 +1187,7 @@ gst_caps_intersect_zig_zag (const GstCaps * caps1, const GstCaps * caps2)
     j = MIN (i, len1 - 1);
     /* caps2 index stays 0 until i reaches GST_CAPS_LEN (caps1), then it counts
      * up from 1 to GST_CAPS_LEN (caps2) - 1 */
-    k = MAX (0, i - j);
+    k = (i > j) ? (i - j) : 0;  /* MAX (0, i - j) */
 
     /* now run the diagonal line, end condition is the left or bottom
      * border */
diff --git a/gst/gstdebugutils.c b/gst/gstdebugutils.c
index 2a09dd0aa1..de74850fb7 100644
--- a/gst/gstdebugutils.c
+++ b/gst/gstdebugutils.c
@@ -77,7 +77,7 @@ debug_dump_get_element_state (GstElement * element)
 {
   gchar *state_name = NULL;
   const gchar *state_icons = "~0-=>";
-  GstState state = 0, pending = 0;
+  GstState state = GST_STATE_VOID_PENDING, pending = GST_STATE_VOID_PENDING;
 
   gst_element_get_state (element, &state, &pending, 0);
   if (pending == GST_STATE_VOID_PENDING) {
diff --git a/gst/gstelement.c b/gst/gstelement.c
index 14bd352fea..9c41828984 100644
--- a/gst/gstelement.c
+++ b/gst/gstelement.c
@@ -41,7 +41,10 @@
  * Core and plug-in writers can add and remove pads with gst_element_add_pad()
  * and gst_element_remove_pad().
  *
- * A pad of an element can be retrieved by name with gst_element_get_pad().
+ * An existing pad of an element can be retrieved by name with
+ * gst_element_get_static_pad(). A new dynamic pad can be created using
+ * gst_element_request_pad() with a #GstPadTemplate or 
+ * gst_element_get_request_pad() with the template name such as "src_%d".
  * An iterator of all pads can be retrieved with gst_element_iterate_pads().
  *
  * Elements can be linked through their pads.
@@ -1022,8 +1025,8 @@ _gst_element_request_pad (GstElement * element, GstPadTemplate * templ,
  * @element: a #GstElement to find a request pad of.
  * @name: the name of the request #GstPad to retrieve.
  *
- * Retrieves a pad from the element by name. This version only retrieves
- * request pads. The pad should be released with
+ * Retrieves a pad from the element by name (e.g. "src_%d"). This version only
+ * retrieves request pads. The pad should be released with
  * gst_element_release_request_pad().
  *
  * This method is slow and will be deprecated in the future. New code should
@@ -1129,6 +1132,8 @@ gst_element_get_request_pad (GstElement * element, const gchar * name)
  * request. Can be %NULL.
  *
  * Retrieves a request pad from the element according to the provided template.
+ * Pad templates can be looked up using
+ * gst_element_factory_get_static_pad_templates().
  *
  * If the @caps are specified and the element implements thew new
  * request_new_pad_full virtual method, the element will use them to select
@@ -1169,8 +1174,9 @@ gst_element_iterate_pad_list (GstElement * element, GList ** padlist)
  * gst_element_iterate_pads:
  * @element: a #GstElement to iterate pads of.
  *
- * Retrieves an iterattor of @element's pads. The iterator should
- * be freed after usage.
+ * Retrieves an iterator of @element's pads. The iterator should
+ * be freed after usage. Also more specialized iterators exists such as
+ * gst_element_iterate_src_pads() or gst_element_iterate_sink_pads().
  *
  * Returns: (transfer full): the #GstIterator of #GstPad. Unref each pad
  *     after use.
diff --git a/gst/gstelement.h b/gst/gstelement.h
index a9f2f000b0..9cc30ed1b8 100644
--- a/gst/gstelement.h
+++ b/gst/gstelement.h
@@ -151,7 +151,7 @@ typedef enum {
  * Given a current state @cur and a target state @pending, calculate the next (intermediate)
  * #GstState.
  */
-#define GST_STATE_GET_NEXT(cur,pending)         ((cur) + __GST_SIGN ((gint)(pending) - (gint)(cur)))
+#define GST_STATE_GET_NEXT(cur,pending)         ((GstState)((cur) + __GST_SIGN ((gint)(pending) - (gint)(cur))))
 /**
  * GST_STATE_TRANSITION:
  * @cur: A current state
diff --git a/gst/gstelementfactory.c b/gst/gstelementfactory.c
index a03066a728..647674ecf9 100644
--- a/gst/gstelementfactory.c
+++ b/gst/gstelementfactory.c
@@ -626,7 +626,7 @@ typedef struct
  * @factory: a #GstElementFactory
  * @type: a #GstElementFactoryListType
  *
- * Check if @factory if of the given types.
+ * Check if @factory is of the given types.
  *
  * Returns: %TRUE if @factory is of @type.
  *
diff --git a/gst/gsterror.c b/gst/gsterror.c
index 0183c34873..f3f2d22f48 100644
--- a/gst/gsterror.c
+++ b/gst/gsterror.c
@@ -309,13 +309,13 @@ gst_error_get_message (GQuark domain, gint code)
   const gchar *message = NULL;
 
   if (domain == GST_CORE_ERROR)
-    message = gst_error_get_core_error (code);
+    message = gst_error_get_core_error ((GstCoreError) code);
   else if (domain == GST_LIBRARY_ERROR)
-    message = gst_error_get_library_error (code);
+    message = gst_error_get_library_error ((GstLibraryError) code);
   else if (domain == GST_RESOURCE_ERROR)
-    message = gst_error_get_resource_error (code);
+    message = gst_error_get_resource_error ((GstResourceError) code);
   else if (domain == GST_STREAM_ERROR)
-    message = gst_error_get_stream_error (code);
+    message = gst_error_get_stream_error ((GstStreamError) code);
   else {
     g_warning ("No error messages for domain %s", g_quark_to_string (domain));
     return g_strdup_printf (_("No error message for domain %s."),
diff --git a/gst/gstevent.c b/gst/gstevent.c
index d5d0b8f3b4..2b88751d53 100644
--- a/gst/gstevent.c
+++ b/gst/gstevent.c
@@ -803,7 +803,7 @@ gst_event_parse_buffer_size (GstEvent * event, GstFormat * format,
 
   structure = GST_EVENT_STRUCTURE (event);
   if (format)
-    *format =
+    *format = (GstFormat)
         g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (FORMAT)));
   if (minsize)
@@ -919,7 +919,7 @@ gst_event_parse_qos (GstEvent * event, GstQOSType * type,
 
   structure = GST_EVENT_STRUCTURE (event);
   if (type)
-    *type =
+    *type = (GstQOSType)
         g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (TYPE)));
   if (proportion)
@@ -1047,15 +1047,15 @@ gst_event_parse_seek (GstEvent * event, gdouble * rate,
         g_value_get_double (gst_structure_id_get_value (structure,
             GST_QUARK (RATE)));
   if (format)
-    *format =
+    *format = (GstFormat)
         g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (FORMAT)));
   if (flags)
-    *flags =
+    *flags = (GstSeekFlags)
         g_value_get_flags (gst_structure_id_get_value (structure,
             GST_QUARK (FLAGS)));
   if (start_type)
-    *start_type =
+    *start_type = (GstSeekType)
         g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (CUR_TYPE)));
   if (start)
@@ -1063,7 +1063,7 @@ gst_event_parse_seek (GstEvent * event, gdouble * rate,
         g_value_get_int64 (gst_structure_id_get_value (structure,
             GST_QUARK (CUR)));
   if (stop_type)
-    *stop_type =
+    *stop_type = (GstSeekType)
         g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (STOP_TYPE)));
   if (stop)
@@ -1213,7 +1213,8 @@ gst_event_parse_step (GstEvent * event, GstFormat * format, guint64 * amount,
 
   structure = GST_EVENT_STRUCTURE (event);
   if (format)
-    *format = g_value_get_enum (gst_structure_id_get_value (structure,
+    *format =
+        (GstFormat) g_value_get_enum (gst_structure_id_get_value (structure,
             GST_QUARK (FORMAT)));
   if (amount)
     *amount = g_value_get_uint64 (gst_structure_id_get_value (structure,
diff --git a/gst/gstobject.c b/gst/gstobject.c
index 9b3c29e95d..ed1eb22019 100644
--- a/gst/gstobject.c
+++ b/gst/gstobject.c
@@ -300,10 +300,14 @@ gst_object_ref_sink (gpointer object)
  *
  * Make sure not to LOCK @oldobj because it might be unreffed
  * which could cause a deadlock when it is disposed.
+ *
+ * Since 0.10.36, this function operates atomically.
  */
 void
 gst_object_replace (GstObject ** oldobj, GstObject * newobj)
 {
+  GstObject *oldptr;
+
   g_return_if_fail (oldobj != NULL);
   g_return_if_fail (*oldobj == NULL || GST_IS_OBJECT (*oldobj));
   g_return_if_fail (newobj == NULL || GST_IS_OBJECT (newobj));
@@ -316,14 +320,14 @@ gst_object_replace (GstObject ** oldobj, GstObject * newobj)
       newobj ? G_OBJECT (newobj)->ref_count : 0);
 #endif
 
-  if (G_LIKELY (*oldobj != newobj)) {
-    if (newobj)
-      gst_object_ref (newobj);
-    if (*oldobj)
-      gst_object_unref (*oldobj);
-
-    *oldobj = newobj;
-  }
+  if (newobj)
+    g_object_ref (newobj);
+  do {
+    oldptr = *oldobj;
+  } while (!g_atomic_pointer_compare_and_exchange ((void *) oldobj,
+          oldptr, newobj));
+  if (oldptr)
+    g_object_unref (oldptr);
 }
 
 /* dispose is called when the object has to release all links
diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
index b58e9e67e4..b87a5c8336 100644
--- a/libs/gst/base/gstbaseparse.c
+++ b/libs/gst/base/gstbaseparse.c
@@ -1586,7 +1586,7 @@ gst_base_parse_check_media (GstBaseParse * parse)
   if (caps)
     gst_caps_unref (caps);
 
-  GST_DEBUG_OBJECT (parse, "media is video == %d", parse->priv->is_video);
+  GST_DEBUG_OBJECT (parse, "media is video: %d", parse->priv->is_video);
 }
 
 /* takes ownership of frame */
@@ -1862,10 +1862,14 @@ gst_base_parse_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
     parse->priv->close_segment = NULL;
   }
   if (G_UNLIKELY (parse->priv->pending_segment)) {
+    GstEvent *pending_segment;
+
+    pending_segment = parse->priv->pending_segment;
+    parse->priv->pending_segment = NULL;
+
     GST_DEBUG_OBJECT (parse, "%s push pending segment",
         parse->priv->pad_mode == GST_ACTIVATE_PULL ? "loop" : "chain");
-    gst_pad_push_event (parse->srcpad, parse->priv->pending_segment);
-    parse->priv->pending_segment = NULL;
+    gst_pad_push_event (parse->srcpad, pending_segment);
 
     /* have caps; check identity */
     gst_base_parse_check_media (parse);