GstRegistry Abstract base class for management of #GstPlugin objects. One registry holds the metadata of a set of plugins. All registries build the #GstRegistryPool. #GstPlugin, #GstPluginFeature The return value of registry operations @GST_REGISTRY_OK: The registry reported no error. @GST_REGISTRY_LOAD_ERROR: There was a load error @GST_REGISTRY_SAVE_ERROR: There was an error saving the registry @GST_REGISTRY_PLUGIN_LOAD_ERROR: There was an error loading a plugin @GST_REGISTRY_PLUGIN_SIGNATURE_ERROR: There was an error saving a plugin Flags for the registry @GST_REGISTRY_READABLE: The registry can be read @GST_REGISTRY_WRITABLE: The registry can be written to @GST_REGISTRY_EXISTS: The registry exists @GST_REGISTRY_REMOTE: The registry is remote and might be slower @GST_REGISTRY_DELAYED_LOADING: The registry will be loaded on demand. @registry: @Returns: @registry: @Returns: @registry: @Returns: @registry: @Returns: @registry: @Returns: @registry: @path: @registry: @Returns: @registry: @registry: @plugin: @Returns: @registry: @plugin: @registry: @filter: @first: @user_data: @Returns: @registry: @filter: @first: @user_data: @Returns: @registry: @name: @Returns: @registry: @name: @type: @Returns: @registry: @plugin: @Returns: @registry: @plugin: @Returns: @registry: @plugin: @Returns: