gconf stuff

Original commit message from CVS:
gconf stuff

gst-libs/gst/Makefile.am

@@ -1,3 +1,3 @@
-SUBDIRS = audio idct resample riff floatcast
+SUBDIRS = audio idct resample riff floatcast gconf
 
-DIST_SUBDIRS = audio idct resample riff floatcast
+DIST_SUBDIRS = audio idct resample riff floatcast gconf

gst-libs/gst/gconf/Makefile.am

@@ -0,0 +1,17 @@
+librarydir = $(prefix)/lib/gst
+
+library_LTLIBRARIES = libgstgconf.la
+
+libgstgconf_la_SOURCES = gconf.c
+
+libgstgconfincludedir = $(includedir)/@PACKAGE@-@VERSION@/gst/gconf
+libgstgconfinclude_HEADERS = gconf.h
+
+noinst_PROGRAMS = test-gconf
+
+test_gconf_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS)
+test_gconf_LDADD = $(GST_LIBS) $(GCONF_LIBS) -lgstgconf
+
+libgstgconf_la_LIBADD = $(GCONF_LIBS)
+libgstgconf_la_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS)
+libgstgconf_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

gst-libs/gst/gconf/gconf.c

@@ -0,0 +1,93 @@
+/*
+ * this library handles interaction with GConf
+ */
+
+#include "gconf.h"
+
+#define GST_GCONF_DIR "/system/gstreamer"
+
+static GConfClient *_gst_gconf_client = NULL; /* GConf connection */
+
+
+/* internal functions */
+
+GConfClient *
+gst_gconf_get_client (void)
+{
+  if (!_gst_gconf_client)
+    _gst_gconf_client = gconf_client_get_default ();
+
+  return _gst_gconf_client;
+}
+
+/* external functions */
+
+gchar *
+gst_gconf_get_string (const gchar *key)
+{
+  GError *error = NULL;
+  gchar *value = NULL;
+  gchar *full_key = g_strdup_printf ("%s/%s", GST_GCONF_DIR, key); 
+
+  g_print ("DEBUG: full key: %s\n", full_key);
+
+  value = gconf_client_get_string (gst_gconf_get_client (), full_key, &error);
+  g_free (full_key);
+
+  if (value) 
+    return value;
+  else
+    return NULL;
+  // this is a good idea: return g_strdup (default_val);
+}
+
+void
+gst_gconf_set_string (const gchar *key, const gchar *value)
+{
+  gconf_client_set_string (gst_gconf_get_client (), key, value, NULL);
+}
+
+gboolean
+gst_gconf_render_bin (const gchar *key, GstElement **element)
+{
+  GstElement *bin;
+  gchar *pipeline;
+  GError *error = NULL;
+  gchar *value = NULL;
+  
+  value = gst_gconf_get_string (key);
+
+  pipeline = g_strdup_printf ("bin.( %s )", value);
+  bin = GST_ELEMENT (gst_parse_launch (pipeline, &error));
+  if (error)
+  {
+    g_print ("DEBUG: gstgconf: error parsing pipeline %s\n%s\n",
+	     pipeline, error->message);
+    g_error_free (error);
+    return FALSE;
+  }
+  *element = bin;
+  return TRUE;
+}
+
+/*
+guint		gst_gconf_notify_add		(const gchar *key,
+    						 GConfClientNotifyFunc func,
+						 gpointer user_data);
+*/
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+    gst_plugin_set_longname (plugin, 
+	                     "Convenience routines for GConf interaction");
+      return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+    GST_VERSION_MAJOR,
+      GST_VERSION_MINOR,
+        "gstgconf",
+	  plugin_init
+};
+

gst-libs/gst/gconf/gconf.h

@@ -0,0 +1,23 @@
+#ifndef GST_GCONF_H
+#define GST_GCONF_H
+
+/*
+ * this library handles interaction with GConf
+ */
+
+#include <gst/gst.h>
+#include <gconf/gconf-client.h>
+
+gchar *		gst_gconf_get_string 		(const gchar *key);
+void		gst_gconf_set_string 		(const gchar *key, 
+                                                 const gchar *value);
+
+gboolean	gst_gconf_render_bin		(const gchar *key,
+    						 GstElement **element);
+
+/*
+guint		gst_gconf_notify_add		(const gchar *key,
+    						 GConfClientNotifyFunc func,
+						 gpointer user_data);
+*/
+#endif /* GST_GCONF_H */

gst-libs/gst/gconf/test-gconf.c

@@ -0,0 +1,10 @@
+#include "gconf.h"
+
+int
+main (int argc, char *argv[])
+{
+  printf ("Default video sink : %s\n", 
+          gst_gconf_get_string ("default/videosink"));
+  printf ("Default audio sink : %s\n", 
+          gst_gconf_get_string ("default/audiosink"));
+}