mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c47dc4d853
Original commit message from CVS: First THREADED backport attempt, focusing on adding locks and making sure the API is threadsafe. Needs more work. More docs follow this week.
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <locale.h>
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#include <gst/gst.h>
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GST_DEBUG_CATEGORY_STATIC (debug_compprep);
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#define GST_CAT_DEFAULT debug_compprep
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#define GST_COMPREG_FILE (GST_CACHE_DIR "/compreg.xml")
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#ifdef HAVE_LIBXML2
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#if LIBXML_VERSION >= 20600
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void
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handle_xmlerror (void *userData, xmlErrorPtr error)
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{
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g_print ("Error writing the completion registry: %s, %s\n", GST_COMPREG_FILE,
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error->message);
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}
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#endif
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#endif
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int
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main (int argc, char *argv[])
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{
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xmlDocPtr doc;
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xmlNodePtr factorynode, padnode, argnode, optionnode;
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GList *plugins, *features, *padtemplates;
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const GList *pads;
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GstElement *element;
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GstPad *pad;
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GstPadTemplate *padtemplate;
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GParamSpec **property_specs;
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guint num_properties, i;
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setlocale (LC_ALL, "");
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gst_init (&argc, &argv);
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GST_DEBUG_CATEGORY_INIT (debug_compprep, "compprep", GST_DEBUG_BOLD,
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"gst-compprep application");
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doc = xmlNewDoc ("1.0");
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doc->xmlRootNode = xmlNewDocNode (doc, NULL, "GST-CompletionRegistry", NULL);
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plugins = g_list_copy (gst_registry_pool_plugin_list ());
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while (plugins) {
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GstPlugin *plugin;
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plugin = (GstPlugin *) (plugins->data);
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plugins = g_list_next (plugins);
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features = g_list_copy (gst_plugin_get_feature_list (plugin));
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while (features) {
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GstPluginFeature *feature;
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GstElementFactory *factory;
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feature = GST_PLUGIN_FEATURE (features->data);
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features = g_list_next (features);
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if (!GST_IS_ELEMENT_FACTORY (feature))
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continue;
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factory = GST_ELEMENT_FACTORY (feature);
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factorynode = xmlNewChild (doc->xmlRootNode, NULL, "element", NULL);
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xmlNewChild (factorynode, NULL, "name",
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GST_PLUGIN_FEATURE_NAME (factory));
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element = gst_element_factory_create (factory, NULL);
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GST_DEBUG ("adding factory %s", GST_PLUGIN_FEATURE_NAME (factory));
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if (element == NULL) {
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GST_ERROR ("couldn't construct element from factory %s\n",
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gst_object_get_name (GST_OBJECT (factory)));
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return 1;
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}
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/* write out the padtemplates */
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padtemplates = factory->padtemplates;
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while (padtemplates) {
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padtemplate = (GstPadTemplate *) (padtemplates->data);
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padtemplates = g_list_next (padtemplates);
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if (padtemplate->direction == GST_PAD_SRC)
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padnode =
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xmlNewChild (factorynode, NULL, "srcpadtemplate",
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padtemplate->name_template);
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else if (padtemplate->direction == GST_PAD_SINK)
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padnode =
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xmlNewChild (factorynode, NULL, "sinkpadtemplate",
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padtemplate->name_template);
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}
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pads = element->pads;
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while (pads) {
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pad = (GstPad *) (pads->data);
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pads = g_list_next (pads);
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if (GST_PAD_DIRECTION (pad) == GST_PAD_SRC)
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padnode =
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xmlNewChild (factorynode, NULL, "srcpad", GST_PAD_NAME (pad));
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else if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK)
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padnode =
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xmlNewChild (factorynode, NULL, "sinkpad", GST_PAD_NAME (pad));
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}
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/* write out the args */
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property_specs =
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g_object_class_list_properties (G_OBJECT_GET_CLASS (element),
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&num_properties);
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for (i = 0; i < num_properties; i++) {
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GParamSpec *param = property_specs[i];
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argnode = xmlNewChild (factorynode, NULL, "argument", param->name);
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if (param->value_type == GST_TYPE_URI) {
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xmlNewChild (argnode, NULL, "filename", NULL);
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} else if (G_IS_PARAM_SPEC_ENUM (param) == G_TYPE_ENUM) {
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GEnumValue *values;
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gint j;
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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for (j = 0; values[j].value_name; j++) {
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gchar *value = g_strdup_printf ("%d", values[j].value);
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optionnode = xmlNewChild (argnode, NULL, "option", value);
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xmlNewChild (optionnode, NULL, "value_nick", values[j].value_nick);
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g_free (value);
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}
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}
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}
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}
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}
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#ifdef HAVE_LIBXML2
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#if LIBXML_VERSION >= 20600
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xmlSetStructuredErrorFunc (NULL, handle_xmlerror);
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#endif
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xmlSaveFormatFile (GST_COMPREG_FILE, doc, 1);
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#else
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xmlSaveFile (GST_COMPREG_FILE, doc);
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#endif
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return 0;
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}
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