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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
#include <gst/gst.h>
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#include "config.h"
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int main(int argc,char *argv[]) {
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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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gint num_properties,i;
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gst_debug_set_categories(0);
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gst_info_set_categories(0);
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gst_init(&argc,&argv);
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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(GST_PLUGIN_FEATURE(factory)));
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element = gst_element_factory_create(factory,NULL);
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GST_DEBUG(GST_CAT_PLUGIN_LOADING, "adding factory %s",
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GST_PLUGIN_FEATURE_NAME(GST_PLUGIN_FEATURE(factory)));
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if (element == NULL) {
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fprintf(stderr,"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 = xmlNewChild (factorynode, NULL, "srcpadtemplate", padtemplate->name_template);
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else if (padtemplate->direction == GST_PAD_SINK)
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padnode = xmlNewChild (factorynode, NULL, "sinkpadtemplate", padtemplate->name_template);
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}
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pads = gst_element_get_pad_list (element);
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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 = 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 = 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 = g_object_class_list_properties(G_OBJECT_GET_CLASS (element), &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_FILENAME) {
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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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xmlSaveFormatFile(GST_CONFIG_DIR "/compreg.xml",doc,1);
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#else
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xmlSaveFile(GST_CONFIG_DIR "/compreg.xml",doc);
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#endif
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return 0;
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}
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