Add gst::Object as parent class of gst_player::Player

Gir_GstPlayer.toml

@@ -11,6 +11,7 @@ generate_safety_asserts = true
 external_libraries = [
     "GLib",
     "GObject",
+    "Gst",
 ]
 
 generate = [
@@ -27,6 +28,7 @@ manual = [
     "GLib.Error",
     "GLib.MainContext",
     "GObject.Object",
+    "Gst.Object",
     "Gst.Element",
     "GstVideo.VideoMultiviewFlags",
     "GstVideo.VideoMultiviewFramePacking",

gstreamer-player/src/auto/player.rs

@@ -20,6 +20,7 @@ use glib::translate::*;
 use glib_ffi;
 use gobject_ffi;
 use gst;
+use gst_ffi;
 use gst_video;
 use libc;
 use std::boxed::Box as Box_;
@@ -28,7 +29,9 @@ use std::mem::transmute;
 use std::ptr;
 
 glib_wrapper! {
-    pub struct Player(Object<ffi::GstPlayer, ffi::GstPlayerClass>);
+    pub struct Player(Object<ffi::GstPlayer, ffi::GstPlayerClass>): [
+        gst::Object => gst_ffi::GstObject,
+    ];
 
     match fn {
         get_type => || ffi::gst_player_get_type(),