~/gst_1.16.2$ gst-inspect-1.0

(gst-plugin-scanner:3215): GLib-GObject-WARNING **: 17:40:14.847: cannot register existing type 'GstInterpolationMethod'

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.848: g_param_spec_enum: assertion 'G_TYPE_IS_ENUM (enum_type)' failed

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.848: validate_pspec_to_install: assertion 'G_IS_PARAM_SPEC (pspec)' failed

(gst-plugin-scanner:3215): GLib-GObject-WARNING **: 17:40:14.880: cannot register existing type 'GstVideoAggregator'

(gst-plugin-scanner:3215): GLib-GObject-WARNING **: 17:40:14.880: cannot add private field to invalid (non-instantiatable) type '<invalid>'

(gst-plugin-scanner:3215): GLib-CRITICAL **: 17:40:14.880: g_once_init_leave: assertion 'result != 0' failed

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.880: g_type_register_static: assertion 'parent_type > 0' failed

(gst-plugin-scanner:3215): GLib-GObject-WARNING **: 17:40:14.880: cannot add private field to invalid (non-instantiatable) type '<invalid>'

(gst-plugin-scanner:3215): GLib-CRITICAL **: 17:40:14.880: g_once_init_leave: assertion 'result != 0' failed

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.881: g_type_register_static: assertion 'parent_type > 0' failed

(gst-plugin-scanner:3215): GLib-GObject-WARNING **: 17:40:14.881: cannot add private field to invalid (non-instantiatable) type '<invalid>'

(gst-plugin-scanner:3215): GLib-CRITICAL **: 17:40:14.881: g_once_init_leave: assertion 'result != 0' failed

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.881: g_type_register_static: assertion 'parent_type > 0' failed

(gst-plugin-scanner:3215): GLib-GObject-CRITICAL **: 17:40:14.881: g_type_add_interface_static: assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed

(gst-plugin-scanner:3215): GLib-CRITICAL **: 17:40:14.881: g_once_init_leave: assertion 'result != 0' failed

(gst-plugin-scanner:3215): GStreamer-CRITICAL **: 17:40:14.881: gst_element_register: assertion 'g_type_is_a (type, GST_TYPE_ELEMENT)' failed