mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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55bc3d863c
Original commit message from CVS: Include compatability defines for libxml: use xmlChildrenNode instead of childs.
139 lines
4.4 KiB
C
139 lines
4.4 KiB
C
#include <glib.h>
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#include <gnome-xml/parser.h>
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#include <gst/gst.h>
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// Include compatability defines: if libxml hasn't already defined these,
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// we have an old version 1.x
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#ifndef xmlChildrenNode
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#define xmlChildrenNode childs
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#define xmlRootNode root
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#endif
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typedef struct _GstRegistryPlugin GstRegistryPlugin;
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typedef struct _GstRegistryElement GstRegistryElement;
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struct _GstRegistryPlugin {
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gchar *name;
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gchar *filename;
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};
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struct _GstRegistryElement {
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GstRegistryPlugin *plugin;
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gchar *name;
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GstElementDetails details;
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};
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gchar *getcontents(xmlDocPtr doc,xmlNodePtr cur) {
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return g_strdup(xmlNodeListGetString(doc,cur->xmlChildrenNode,1));
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}
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int main(int argc,char *argv[]) {
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xmlDocPtr doc;
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xmlNodePtr cur;
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int i;
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GSList *plugins = NULL, *elements = NULL;
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// gst_init(&argc,&argv);
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if (argc < 2) {
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fprintf(stderr,"Usage: %s <registry.xml> [element] [element] ...\n",
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argv[0]);
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exit(1);
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}
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doc = xmlParseFile(argv[1]);
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g_assert(doc != NULL);
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cur = doc->root;
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if (cur == NULL) {
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g_print("registry is empty\n");
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xmlFreeDoc(doc);
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exit(0);
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}
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if (strcmp(cur->name,"GST-PluginRegistry")) {
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g_print("document not the right type\n");
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xmlFreeDoc(doc);
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exit(1);
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}
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cur = cur->xmlChildrenNode;
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while (cur != NULL) {
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if (!strcmp(cur->name,"plugin")) {
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xmlNodePtr field = cur->xmlChildrenNode;
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GstRegistryPlugin *plugin = g_new0(GstRegistryPlugin,1);
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while (field) {
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if (!strcmp(field->name,"name"))
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plugin->name = getcontents(doc,field);
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else if (!strcmp(field->name,"filename"))
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plugin->filename = getcontents(doc,field);
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field = field->next;
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}
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g_print("new plugin '%s' at '%s'\n",plugin->name,plugin->filename);
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plugins = g_slist_prepend(plugins,plugin);
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} else if (!strcmp(cur->name,"element")) {
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xmlNodePtr field = cur->xmlChildrenNode;
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GstRegistryElement *element = g_new0(GstRegistryElement,1);
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while (field) {
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if (!strcmp(field->name,"plugin")) {
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gchar *pluginname = getcontents(doc,field);
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GSList *list = plugins;
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element->plugin = NULL;
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while (list) {
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GstRegistryPlugin *plugin = (GstRegistryPlugin *)list->data;
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if (!strcmp(pluginname,plugin->name)) {
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element->plugin = plugin;
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break;
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}
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list = g_slist_next(list);
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}
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} else if (!strcmp(field->name,"name"))
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element->name = getcontents(doc,field);
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else if (!strcmp(field->name,"longname"))
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element->details.longname = getcontents(doc,field);
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else if (!strcmp(field->name,"class"))
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element->details.klass = getcontents(doc,field);
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else if (!strcmp(field->name,"description"))
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element->details.description = getcontents(doc,field);
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else if (!strcmp(field->name,"version"))
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element->details.version = getcontents(doc,field);
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else if (!strcmp(field->name,"author"))
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element->details.author = getcontents(doc,field);
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else if (!strcmp(field->name,"copyright"))
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element->details.copyright = getcontents(doc,field);
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field = field->next;
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}
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g_print("new element '%s' in '%s'\n",element->name,element->plugin->name);
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elements = g_slist_prepend(elements,element);
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}
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cur = cur->next;
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}
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for (i=2;i<argc;i++) {
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GSList *list;
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g_print("\nsearching for element '%s'\n",argv[i]);
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list = elements;
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while (list) {
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GstRegistryElement *element = (GstRegistryElement *)list->data;
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// g_print("comparing against '%s'\n",element->name);
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if (!strcmp(argv[i],element->name)) {
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g_print("Plugin name: %s\n",element->plugin->name);
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g_print("Plugin filename: %s\n",element->plugin->filename);
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g_print("Element name: %s\n",element->name);
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g_print("Element long name: %s\n",element->details.longname);
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g_print("Element class: %s\n",element->details.klass);
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g_print("Element description: %s\n",element->details.description);
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g_print("Element version: %s\n",element->details.version);
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g_print("Element author: %s\n",element->details.author);
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g_print("Element copyright: %s\n",element->details.copyright);
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// gst_plugin_load_absolute(element->plugin->filename);
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}
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list = g_slist_next(list);
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}
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}
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exit(0);
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}
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