gst/rtsp/: Clean up the interface list.

Original commit message from CVS:
* gst/rtsp/gstrtspext.c: (gst_rtsp_ext_list_free),
(gst_rtsp_ext_list_connect):
* gst/rtsp/gstrtspext.h:
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_init),
(gst_rtspsrc_finalize), (gst_rtspsrc_send_cb):
Clean up the interface list.
Allow connecting to interface signals for the extensions.
Remove old extension code.
Free list on cleanup.
Allow extensions to send additional RTSP messages.

ChangeLog

+2007-07-27  Wim Taymans  <wim.taymans@gmail.com>
+
+	* gst/rtsp/gstrtspext.c: (gst_rtsp_ext_list_free),
+	(gst_rtsp_ext_list_connect):
+	* gst/rtsp/gstrtspext.h:
+	* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_init),
+	(gst_rtspsrc_finalize), (gst_rtspsrc_send_cb):
+	Clean up the interface list.
+	Allow connecting to interface signals for the extensions.
+	Remove old extension code.
+	Free list on cleanup.
+	Allow extensions to send additional RTSP messages.
+
 2007-07-27  Jan Schmidt  <thaytan@mad.scientist.com>
 
 	* ext/gconf/gconf.c: (gst_gconf_render_bin_with_default):

gst/rtsp/gstrtspext.c

@@ -105,6 +105,20 @@ gst_rtsp_ext_list_get (void)
   return result;
 }
 
+void
+gst_rtsp_ext_list_free (GstRTSPExtensionList * ext)
+{
+  GList *walk;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    gst_object_unref (GST_OBJECT_CAST (elem));
+  }
+  g_list_free (ext->extensions);
+  g_free (ext);
+}
+
 gboolean
 gst_rtsp_ext_list_detect_server (GstRTSPExtensionList * ext,
     GstRTSPMessage * resp)
@@ -220,3 +234,16 @@ gst_rtsp_ext_list_stream_select (GstRTSPExtensionList * ext, GstRTSPUrl * url)
   }
   return res;
 }
+
+void
+gst_rtsp_ext_list_connect (GstRTSPExtensionList * ext,
+    const gchar * detailed_signal, GCallback c_handler, gpointer data)
+{
+  GList *walk;
+
+  for (walk = ext->extensions; walk; walk = g_list_next (walk)) {
+    GstRTSPExtension *elem = (GstRTSPExtension *) walk->data;
+
+    g_signal_connect (elem, detailed_signal, c_handler, data);
+  }
+}

gst/rtsp/gstrtspext.h

@@ -58,6 +58,7 @@ struct _GstRTSPExtensionList
 void                    gst_rtsp_ext_list_init    (void);
 
 GstRTSPExtensionList *  gst_rtsp_ext_list_get     (void);
+void                    gst_rtsp_ext_list_free    (GstRTSPExtensionList *ext);
 
 gboolean      gst_rtsp_ext_list_detect_server     (GstRTSPExtensionList *ext, GstRTSPMessage *resp);
   
@@ -72,6 +73,10 @@ GstRTSPResult gst_rtsp_ext_list_get_transports    (GstRTSPExtensionList *ext, Gs
                                                    gchar **transport);
 GstRTSPResult gst_rtsp_ext_list_stream_select     (GstRTSPExtensionList *ext, GstRTSPUrl *url);
 
+void          gst_rtsp_ext_list_connect           (GstRTSPExtensionList *ext,
+			                           const gchar *detailed_signal, GCallback c_handler,
+                                                   gpointer data);
+
 G_END_DECLS
 
 #endif /* __GST_RTSP_EXT_H__ */

gst/rtsp/gstrtspsrc.c

@@ -97,16 +97,6 @@
 
 #include "gstrtspsrc.h"
 
-/* define for experimental real support */
-#undef WITH_EXT_REAL
-
-#if 0
-#include "rtspextwms.h"
-#ifdef WITH_EXT_REAL
-#include "rtspextreal.h"
-#endif
-#endif
-
 GST_DEBUG_CATEGORY_STATIC (rtspsrc_debug);
 #define GST_CAT_DEFAULT (rtspsrc_debug)
 
@@ -198,6 +188,9 @@ static GstStateChangeReturn gst_rtspsrc_change_state (GstElement * element,
     GstStateChange transition);
 static void gst_rtspsrc_handle_message (GstBin * bin, GstMessage * message);
 
+static GstRTSPResult gst_rtspsrc_send_cb (GstRTSPExtension * ext,
+    GstRTSPMessage * request, GstRTSPMessage * response, GstRTSPSrc * src);
+
 static gboolean gst_rtspsrc_open (GstRTSPSrc * src);
 static gboolean gst_rtspsrc_play (GstRTSPSrc * src);
 static gboolean gst_rtspsrc_pause (GstRTSPSrc * src);
@@ -318,15 +311,9 @@ gst_rtspsrc_init (GstRTSPSrc * src, GstRTSPSrcClass * g_class)
   /* get a list of all extensions */
   src->extensions = gst_rtsp_ext_list_get ();
 
-#if 0
-#ifdef WITH_EXT_REAL
-  src->extension = rtsp_ext_real_get_context ();
-#else
-  /* install WMS extension by default */
-  src->extension = rtsp_ext_wms_get_context ();
-#endif
-  src->extension->src = (gpointer) src;
-#endif
+  /* connect to send signal */
+  gst_rtsp_ext_list_connect (src->extensions, "send",
+      (GCallback) gst_rtspsrc_send_cb, src);
 
   src->state_rec_lock = g_new (GStaticRecMutex, 1);
   g_static_rec_mutex_init (src->state_rec_lock);
@@ -340,6 +327,7 @@ gst_rtspsrc_finalize (GObject * object)
 
   rtspsrc = GST_RTSPSRC (object);
 
+  gst_rtsp_ext_list_free (rtspsrc->extensions);
   g_static_rec_mutex_free (rtspsrc->stream_rec_lock);
   g_free (rtspsrc->stream_rec_lock);
   g_free (rtspsrc->location);
@@ -349,16 +337,6 @@ gst_rtspsrc_finalize (GObject * object)
   g_static_rec_mutex_free (rtspsrc->state_rec_lock);
   g_free (rtspsrc->state_rec_lock);
 
-#if 0
-  if (rtspsrc->extension) {
-#ifdef WITH_EXT_REAL
-    rtsp_ext_real_free_context (rtspsrc->extension);
-#else
-    rtsp_ext_wms_free_context (rtspsrc->extension);
-#endif
-  }
-#endif
-
   G_OBJECT_CLASS (parent_class)->finalize (object);
 }
 
@@ -2917,6 +2895,14 @@ error_response:
   }
 }
 
+static GstRTSPResult
+gst_rtspsrc_send_cb (GstRTSPExtension * ext, GstRTSPMessage * request,
+    GstRTSPMessage * response, GstRTSPSrc * src)
+{
+  return gst_rtspsrc_send (src, request, response, NULL);
+}
+
+
 /* parse the response and collect all the supported methods. We need this
  * information so that we don't try to send an unsupported request to the
  * server.