URIHandler interface and element properties are now properly synchronized for DV1394src and UDPSrc

Original commit message from CVS:
* ext/raw1394/gstdv1394src.c: (gst_dv1394src_class_init),
(gst_dv1394src_init), (gst_dv1394src_dispose),
(gst_dv1394src_set_property), (gst_dv1394src_discover_avc_node),
(gst_dv1394src_uri_set_uri):
* gst/udp/gstudpsrc.c: (gst_udpsrc_class_init),
(gst_udpsrc_update_uri), (gst_udpsrc_set_uri),
(gst_udpsrc_set_property), (gst_udpsrc_uri_get_uri):
URIHandler interface and element properties are now properly
synchronized for DV1394src and UDPSrc

ChangeLog

@@ -1,3 +1,15 @@
+2005-11-22  Edward Hervey  <edward@fluendo.com>
+
+	* ext/raw1394/gstdv1394src.c: (gst_dv1394src_class_init),
+	(gst_dv1394src_init), (gst_dv1394src_dispose),
+	(gst_dv1394src_set_property), (gst_dv1394src_discover_avc_node),
+	(gst_dv1394src_uri_set_uri):
+	* gst/udp/gstudpsrc.c: (gst_udpsrc_class_init),
+	(gst_udpsrc_update_uri), (gst_udpsrc_set_uri),
+	(gst_udpsrc_set_property), (gst_udpsrc_uri_get_uri):
+	URIHandler interface and element properties are now properly
+	synchronized for DV1394src and UDPSrc
+
 2005-11-22  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* ext/flac/Makefile.am:

ext/raw1394/gstdv1394src.c

@@ -114,6 +114,7 @@ static void gst_dv1394src_set_property (GObject * object, guint prop_id,
     const GValue * value, GParamSpec * pspec);
 static void gst_dv1394src_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
+static void gst_dv1394src_dispose (GObject * object);
 
 static gboolean gst_dv1394src_start (GstBaseSrc * bsrc);
 static gboolean gst_dv1394src_stop (GstBaseSrc * bsrc);
@@ -173,6 +174,7 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass)
 
   gobject_class->set_property = gst_dv1394src_set_property;
   gobject_class->get_property = gst_dv1394src_get_property;
+  gobject_class->dispose = gst_dv1394src_dispose;
 
   gst_dv1394src_signals[SIGNAL_FRAME_DROPPED] =
       g_signal_new ("frame-dropped", G_TYPE_FROM_CLASS (klass),
@@ -232,6 +234,7 @@ gst_dv1394src_init (GstDV1394Src * dv1394src, GstDV1394SrcClass * klass)
   dv1394src->drop_incomplete = DEFAULT_DROP_INCOMPLETE;
   dv1394src->use_avc = DEFAULT_USE_AVC;
   dv1394src->guid = DEFAULT_GUID;
+  dv1394src->uri = g_strdup_printf ("dv://%d", dv1394src->port);
 
   READ_SOCKET (dv1394src) = -1;
   WRITE_SOCKET (dv1394src) = -1;
@@ -244,6 +247,17 @@ gst_dv1394src_init (GstDV1394Src * dv1394src, GstDV1394SrcClass * klass)
   dv1394src->frame_sequence = 0;
 }
 
+static void
+gst_dv1394src_dispose (GObject * object)
+{
+  GstDV1394Src *src = GST_DV1394SRC (object);
+
+  g_free (src->uri);
+  src->uri = NULL;
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
 static void
 gst_dv1394src_set_property (GObject * object, guint prop_id,
     const GValue * value, GParamSpec * pspec)
@@ -253,6 +267,8 @@ gst_dv1394src_set_property (GObject * object, guint prop_id,
   switch (prop_id) {
     case PROP_PORT:
       filter->port = g_value_get_int (value);
+      g_free (filter->uri);
+      filter->uri = g_strdup_printf ("dv://%d", filter->port);
       break;
     case PROP_CHANNEL:
       filter->channel = g_value_get_int (value);
@@ -565,6 +581,8 @@ gst_dv1394src_discover_avc_node (GstDV1394Src * src)
         if (src->guid == rom1394_get_guid (handle, i)) {
           node = i;
           src->port = j;
+          g_free (src->uri);
+          src->uri = g_strdup_printf ("dv://%d", src->port);
           break;
         }
       } else {
@@ -579,6 +597,8 @@ gst_dv1394src_discover_avc_node (GstDV1394Src * src)
             avc1394_check_subunit_type (handle, i, AVC1394_SUBUNIT_TYPE_VCR)) {
           node = i;
           src->port = j;
+          g_free (src->uri);
+          src->uri = g_strdup_printf ("dv://%d", src->port);
           break;
         }
       }
@@ -865,8 +885,13 @@ gst_dv1394src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
   g_free (protocol);
 
   location = gst_uri_get_location (uri);
-  gst_dv1394src->port = strtol (location, NULL, 10);
+  if (location && (!(location == "")))
+    gst_dv1394src->port = strtol (location, NULL, 10);
+  else
+    gst_dv1394src->port = DEFAULT_PORT;
   g_free (location);
+  g_free (gst_dv1394src->uri);
+  gst_dv1394src->uri = g_strdup_printf ("dv://%d", gst_dv1394src->port);
 
   return ret;
 }

gst/udp/gstudpsrc.c

@@ -144,7 +144,7 @@ gst_udpsrc_class_init (GstUDPSrcClass * klass)
           G_PARAM_READWRITE));
   g_object_class_install_property (gobject_class, PROP_URI,
       g_param_spec_string ("uri", "URI",
-          "URI in the form of udp://hostname:port", UDP_DEFAULT_URI,
+          "URI in the form of udp://multicast_group:port", UDP_DEFAULT_URI,
           G_PARAM_READWRITE));
   g_object_class_install_property (gobject_class, PROP_CAPS,
       g_param_spec_boxed ("caps", "Caps",
@@ -312,6 +312,15 @@ receive_error:
   }
 }
 
+/* Call this function when multicastgroup and/or port are updated */
+
+static void
+gst_udpsrc_update_uri (GstUDPSrc * src)
+{
+  g_free (src->uri);
+  src->uri = g_strdup_printf ("udp://%s:%d", src->multi_group, src->port);
+}
+
 static gboolean
 gst_udpsrc_set_uri (GstUDPSrc * src, const gchar * uri)
 {
@@ -325,14 +334,21 @@ gst_udpsrc_set_uri (GstUDPSrc * src, const gchar * uri)
   g_free (protocol);
 
   location = gst_uri_get_location (uri);
+  if (!location)
+    return FALSE;
   colptr = strstr (location, ":");
   if (colptr != NULL) {
+    g_free (src->multi_group);
+    src->multi_group = g_strndup (location, colptr - location);
     src->port = atoi (colptr + 1);
+  } else {
+    g_free (src->multi_group);
+    src->multi_group = g_strdup (location);
+    src->port = UDP_DEFAULT_PORT;
   }
   g_free (location);
-  g_free (src->uri);
 
-  src->uri = g_strdup (uri);
+  gst_udpsrc_update_uri (src);
 
   return TRUE;
 
@@ -354,6 +370,7 @@ gst_udpsrc_set_property (GObject * object, guint prop_id, const GValue * value,
   switch (prop_id) {
     case PROP_PORT:
       udpsrc->port = g_value_get_int (value);
+      gst_udpsrc_update_uri (udpsrc);
       break;
     case PROP_MULTICAST_GROUP:
       g_free (udpsrc->multi_group);
@@ -362,7 +379,7 @@ gst_udpsrc_set_property (GObject * object, guint prop_id, const GValue * value,
         udpsrc->multi_group = g_strdup (UDP_DEFAULT_MULTICAST_GROUP);
       else
         udpsrc->multi_group = g_strdup (g_value_get_string (value));
-
+      gst_udpsrc_update_uri (udpsrc);
       break;
     case PROP_URI:
       gst_udpsrc_set_uri (udpsrc, g_value_get_string (value));
@@ -594,7 +611,7 @@ gst_udpsrc_uri_get_uri (GstURIHandler * handler)
 {
   GstUDPSrc *src = GST_UDPSRC (handler);
 
-  return g_strdup (src->uri);
+  return src->uri;
 }
 
 static gboolean