1 files changed, 91 insertions, 0 deletions
diff --git a/tools/gstreamer-compprep.c b/tools/gstreamer-compprep.c
new file mode 100644
index 0000000000..c0c3e3afd2
--- /dev/null
+++ b/tools/gstreamer-compprep.c
@@ -0,0 +1,91 @@
+#include <gst/gst.h>
+#include "config.h"
+
+int main(int argc,char *argv[]) {
+  xmlDocPtr doc;
+  xmlNodePtr factorynode, padnode, argnode, optionnode;
+  GList *plugins, *factories, *padtemplates, *pads;
+  GstPlugin *plugin;
+  GstElementFactory *factory;
+  GstElement *element;
+  GstPad *pad;
+  GstPadTemplate *padtemplate;
+  GtkArg *args;
+  guint32 *flags;
+  gint num_args,i;
+
+  gst_debug_set_categories(0);
+  gst_info_set_categories(0);
+  gst_init(&argc,&argv);
+
+  doc = xmlNewDoc("1.0");
+  doc->xmlRootNode = xmlNewDocNode(doc, NULL, "GST-CompletionRegistry", NULL);
+
+  plugins = gst_plugin_get_list();
+  while (plugins) {
+    plugin = (GstPlugin *)(plugins->data);
+    plugins = g_list_next (plugins);
+
+    factories = gst_plugin_get_factory_list(plugin);
+    while (factories) {
+      factory = (GstElementFactory *)(factories->data);
+      factories = g_list_next (factories);
+
+      factorynode = xmlNewChild (doc->xmlRootNode, NULL, "element", NULL);
+      xmlNewChild (factorynode, NULL, "name", factory->name);
+
+      element = gst_elementfactory_create(factory,"element");
+      if (element == NULL) {
+        fprintf(stderr,"couldn't construct element from factory %s\n",factory->name);
+        return 1;
+      }
+
+      // write out the padtemplates
+      padtemplates = factory->padtemplates;
+      while (padtemplates) {
+        padtemplate = (GstPadTemplate *)(padtemplates->data);
+        padtemplates = g_list_next (padtemplates);
+
+        if (padtemplate->direction == GST_PAD_SRC)
+          padnode = xmlNewChild (factorynode, NULL, "srcpadtemplate", padtemplate->name_template);
+        else if (padtemplate->direction == GST_PAD_SINK)
+          padnode = xmlNewChild (factorynode, NULL, "sinkpadtemplate", padtemplate->name_template);
+      }
+
+      pads = gst_element_get_pad_list (element);
+      while (pads) {
+        pad = (GstPad *)(pads->data);
+        pads = g_list_next (pads);
+
+        if (GST_PAD_DIRECTION(pad) == GST_PAD_SRC)
+          padnode = xmlNewChild (factorynode, NULL, "srcpad", GST_PAD_NAME(pad));
+        else if (GST_PAD_DIRECTION(pad) == GST_PAD_SINK)
+          padnode = xmlNewChild (factorynode, NULL, "sinkpad", GST_PAD_NAME(pad));
+      }
+
+      // write out the args
+      args = gtk_object_query_args(GTK_OBJECT_TYPE(element), &flags, &num_args);
+      for (i=0;i<num_args;i++) {
+        argnode = xmlNewChild (factorynode, NULL, "argument", args[i].name);
+        if (args[i].type == GST_TYPE_FILENAME) {
+          xmlNewChild (argnode, NULL, "filename", NULL);
+        } else if (GTK_FUNDAMENTAL_TYPE (args[i].type) == GTK_TYPE_ENUM) {
+          GtkEnumValue *values;
+          gint j;
+
+          values = gtk_type_enum_get_values (args[i].type);
+          for (j=0;values[j].value_name;j++) {
+            gchar *value = g_strdup_printf("%d",values[j].value);
+            optionnode = xmlNewChild (argnode, NULL, "option", value);
+            xmlNewChild (optionnode, NULL, "value_nick", values[j].value_nick);
+            g_free(value);
+          }
+        }
+      }
+    }
+  }
+
+  xmlSaveFile(GST_CONFIG_DIR "/compreg.xml",doc);
+
+  return 0;
+}