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#include <glib.h>
#include <gnome-xml/parser.h>
#include <gst/gst.h>
typedef struct _GstRegistryPlugin GstRegistryPlugin;
typedef struct _GstRegistryElement GstRegistryElement;
struct _GstRegistryPlugin {
gchar *name;
gchar *filename;
};
struct _GstRegistryElement {
GstRegistryPlugin *plugin;
gchar *name;
GstElementDetails details;
};
gchar *getcontents(xmlDocPtr doc,xmlNodePtr cur) {
return g_strdup(xmlNodeListGetString(doc,cur->childs,1));
}
int main(int argc,char *argv[]) {
xmlDocPtr doc;
xmlNodePtr cur;
int i;
GSList *plugins = NULL, *elements = NULL;
// gst_init(&argc,&argv);
if (argc < 2) {
fprintf(stderr,"Usage: %s <registry.xml> [element] [element] ...\n",
argv[0]);
exit(1);
}
doc = xmlParseFile(argv[1]);
g_assert(doc != NULL);
cur = doc->root;
if (cur == NULL) {
g_print("registry is empty\n");
xmlFreeDoc(doc);
exit(0);
}
if (strcmp(cur->name,"GST-PluginRegistry")) {
g_print("document not the right type\n");
xmlFreeDoc(doc);
exit(1);
}
cur = cur->childs; /* 'childs'??? He (Daniel) is Dutch, so... */
while (cur != NULL) {
if (!strcmp(cur->name,"plugin")) {
xmlNodePtr field = cur->childs;
GstRegistryPlugin *plugin = g_new0(GstRegistryPlugin,1);
while (field) {
if (!strcmp(field->name,"name"))
plugin->name = getcontents(doc,field);
else if (!strcmp(field->name,"filename"))
plugin->filename = getcontents(doc,field);
field = field->next;
}
g_print("new plugin '%s' at '%s'\n",plugin->name,plugin->filename);
plugins = g_slist_prepend(plugins,plugin);
} else if (!strcmp(cur->name,"element")) {
xmlNodePtr field = cur->childs;
GstRegistryElement *element = g_new0(GstRegistryElement,1);
while (field) {
if (!strcmp(field->name,"plugin")) {
gchar *pluginname = getcontents(doc,field);
GSList *list = plugins;
element->plugin = NULL;
while (list) {
GstRegistryPlugin *plugin = (GstRegistryPlugin *)list->data;
if (!strcmp(pluginname,plugin->name)) {
element->plugin = plugin;
break;
}
list = g_slist_next(list);
}
} else if (!strcmp(field->name,"name"))
element->name = getcontents(doc,field);
else if (!strcmp(field->name,"longname"))
element->details.longname = getcontents(doc,field);
else if (!strcmp(field->name,"class"))
element->details.klass = getcontents(doc,field);
else if (!strcmp(field->name,"description"))
element->details.description = getcontents(doc,field);
else if (!strcmp(field->name,"version"))
element->details.version = getcontents(doc,field);
else if (!strcmp(field->name,"author"))
element->details.author = getcontents(doc,field);
else if (!strcmp(field->name,"copyright"))
element->details.copyright = getcontents(doc,field);
field = field->next;
}
g_print("new element '%s' in '%s'\n",element->name,element->plugin->name);
elements = g_slist_prepend(elements,element);
}
cur = cur->next;
}
for (i=2;i<argc;i++) {
GSList *list;
g_print("\nsearching for element '%s'\n",argv[i]);
list = elements;
while (list) {
GstRegistryElement *element = (GstRegistryElement *)list->data;
// g_print("comparing against '%s'\n",element->name);
if (!strcmp(argv[i],element->name)) {
g_print("Plugin name: %s\n",element->plugin->name);
g_print("Plugin filename: %s\n",element->plugin->filename);
g_print("Element name: %s\n",element->name);
g_print("Element long name: %s\n",element->details.longname);
g_print("Element class: %s\n",element->details.klass);
g_print("Element description: %s\n",element->details.description);
g_print("Element version: %s\n",element->details.version);
g_print("Element author: %s\n",element->details.author);
g_print("Element copyright: %s\n",element->details.copyright);
// gst_plugin_load_absolute(element->plugin->filename);
}
list = g_slist_next(list);
}
}
exit(0);
}
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