diff --git a/gstreamer-app/src/auto/app_sink.rs b/gstreamer-app/src/auto/app_sink.rs
index 90b19024b..dd3346cab 100644
--- a/gstreamer-app/src/auto/app_sink.rs
+++ b/gstreamer-app/src/auto/app_sink.rs
@@ -1,7 +1,8 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -144,11 +145,12 @@ impl AppSink {
     }
 
     pub fn get_property_buffer_list(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "buffer-list".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_buffer_list(&self, buffer_list: bool) {
@@ -158,11 +160,12 @@ impl AppSink {
     }
 
     pub fn get_property_eos(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "eos".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn connect_eos<F: Fn(&AppSink) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
diff --git a/gstreamer-app/src/auto/app_src.rs b/gstreamer-app/src/auto/app_src.rs
index c41e3e248..0f8a84683 100644
--- a/gstreamer-app/src/auto/app_src.rs
+++ b/gstreamer-app/src/auto/app_src.rs
@@ -1,8 +1,9 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use AppStreamType;
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -147,11 +148,12 @@ impl AppSrc {
     }
 
     pub fn get_property_block(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "block".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_block(&self, block: bool) {
@@ -161,19 +163,21 @@ impl AppSrc {
     }
 
     pub fn get_property_current_level_bytes(&self) -> u64 {
-        let mut value = Value::from(&0u64);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <u64 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "current-level-bytes".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn get_property_duration(&self) -> u64 {
-        let mut value = Value::from(&0u64);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <u64 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "duration".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_duration(&self, duration: u64) {
@@ -183,26 +187,27 @@ impl AppSrc {
     }
 
     pub fn get_property_format(&self) -> gst::Format {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <gst::Format as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "format".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<i32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
     pub fn set_property_format(&self, format: gst::Format) {
-        let format = format.to_glib() as i32;
         unsafe {
             gobject_ffi::g_object_set_property(self.to_glib_none().0, "format".to_glib_none().0, Value::from(&format).to_glib_none().0);
         }
     }
 
     pub fn get_property_is_live(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "is-live".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_is_live(&self, is_live: bool) {
@@ -212,11 +217,12 @@ impl AppSrc {
     }
 
     pub fn get_property_max_latency(&self) -> i64 {
-        let mut value = Value::from(&0i64);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <i64 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "max-latency".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_max_latency(&self, max_latency: i64) {
@@ -226,11 +232,12 @@ impl AppSrc {
     }
 
     pub fn get_property_min_latency(&self) -> i64 {
-        let mut value = Value::from(&0i64);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <i64 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "min-latency".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_min_latency(&self, min_latency: i64) {
@@ -240,11 +247,12 @@ impl AppSrc {
     }
 
     pub fn get_property_min_percent(&self) -> u32 {
-        let mut value = Value::from(&0u32);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <u32 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "min-percent".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     pub fn set_property_min_percent(&self, min_percent: u32) {
diff --git a/gstreamer-app/src/auto/enums.rs b/gstreamer-app/src/auto/enums.rs
index bdc4b99cd..2bed954ba 100644
--- a/gstreamer-app/src/auto/enums.rs
+++ b/gstreamer-app/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-app/src/auto/flags.rs b/gstreamer-app/src/auto/flags.rs
index a000ae933..956a81a14 100644
--- a/gstreamer-app/src/auto/flags.rs
+++ b/gstreamer-app/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-app/src/auto/mod.rs b/gstreamer-app/src/auto/mod.rs
index 9c21e6690..bf339384a 100644
--- a/gstreamer-app/src/auto/mod.rs
+++ b/gstreamer-app/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod app_sink;
diff --git a/gstreamer-audio/src/auto/enums.rs b/gstreamer-audio/src/auto/enums.rs
index 66172bdcf..e0579c7a2 100644
--- a/gstreamer-audio/src/auto/enums.rs
+++ b/gstreamer-audio/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-audio/src/auto/flags.rs b/gstreamer-audio/src/auto/flags.rs
index 35a21f4e3..3f65d097a 100644
--- a/gstreamer-audio/src/auto/flags.rs
+++ b/gstreamer-audio/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-audio/src/auto/mod.rs b/gstreamer-audio/src/auto/mod.rs
index 6b9dd3680..6340458ed 100644
--- a/gstreamer-audio/src/auto/mod.rs
+++ b/gstreamer-audio/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod stream_volume;
diff --git a/gstreamer-audio/src/auto/stream_volume.rs b/gstreamer-audio/src/auto/stream_volume.rs
index ae766070e..a5261f036 100644
--- a/gstreamer-audio/src/auto/stream_volume.rs
+++ b/gstreamer-audio/src/auto/stream_volume.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use StreamVolumeFormat;
diff --git a/gstreamer-base/src/auto/adapter.rs b/gstreamer-base/src/auto/adapter.rs
index 5f796e6b3..599194dcf 100644
--- a/gstreamer-base/src/auto/adapter.rs
+++ b/gstreamer-base/src/auto/adapter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-base/src/auto/base_sink.rs b/gstreamer-base/src/auto/base_sink.rs
index 63319d3e4..718b934b4 100644
--- a/gstreamer-base/src/auto/base_sink.rs
+++ b/gstreamer-base/src/auto/base_sink.rs
@@ -1,8 +1,9 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -313,11 +314,12 @@ impl<O: IsA<BaseSink> + IsA<glib::object::Object>> BaseSinkExt for O {
     }
 
     fn get_property_async(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "async".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_async(&self, async: bool) {
@@ -327,11 +329,12 @@ impl<O: IsA<BaseSink> + IsA<glib::object::Object>> BaseSinkExt for O {
     }
 
     fn get_property_enable_last_sample(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "enable-last-sample".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_enable_last_sample(&self, enable_last_sample: bool) {
@@ -341,11 +344,12 @@ impl<O: IsA<BaseSink> + IsA<glib::object::Object>> BaseSinkExt for O {
     }
 
     fn get_property_qos(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "qos".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_qos(&self, qos: bool) {
diff --git a/gstreamer-base/src/auto/base_src.rs b/gstreamer-base/src/auto/base_src.rs
index 2bab85ea8..50aba06a6 100644
--- a/gstreamer-base/src/auto/base_src.rs
+++ b/gstreamer-base/src/auto/base_src.rs
@@ -1,8 +1,9 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -204,11 +205,12 @@ impl<O: IsA<BaseSrc> + IsA<glib::object::Object>> BaseSrcExt for O {
     }
 
     fn get_property_num_buffers(&self) -> i32 {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <i32 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "num-buffers".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_num_buffers(&self, num_buffers: i32) {
@@ -218,11 +220,12 @@ impl<O: IsA<BaseSrc> + IsA<glib::object::Object>> BaseSrcExt for O {
     }
 
     fn get_property_typefind(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "typefind".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_typefind(&self, typefind: bool) {
diff --git a/gstreamer-base/src/auto/base_transform.rs b/gstreamer-base/src/auto/base_transform.rs
index 0cbf16eb9..e18575429 100644
--- a/gstreamer-base/src/auto/base_transform.rs
+++ b/gstreamer-base/src/auto/base_transform.rs
@@ -1,8 +1,9 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -150,11 +151,12 @@ impl<O: IsA<BaseTransform> + IsA<glib::object::Object>> BaseTransformExt for O {
     }
 
     fn get_property_qos(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "qos".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_qos(&self, qos: bool) {
diff --git a/gstreamer-base/src/auto/enums.rs b/gstreamer-base/src/auto/enums.rs
index a000ae933..956a81a14 100644
--- a/gstreamer-base/src/auto/enums.rs
+++ b/gstreamer-base/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-base/src/auto/flags.rs b/gstreamer-base/src/auto/flags.rs
index a000ae933..956a81a14 100644
--- a/gstreamer-base/src/auto/flags.rs
+++ b/gstreamer-base/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-base/src/auto/mod.rs b/gstreamer-base/src/auto/mod.rs
index 079a35f9a..d1e4058a1 100644
--- a/gstreamer-base/src/auto/mod.rs
+++ b/gstreamer-base/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod adapter;
diff --git a/gstreamer-base/src/auto/push_src.rs b/gstreamer-base/src/auto/push_src.rs
index 592ad8a27..7d09a5c3d 100644
--- a/gstreamer-base/src/auto/push_src.rs
+++ b/gstreamer-base/src/auto/push_src.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use BaseSrc;
diff --git a/gstreamer-player/src/auto/enums.rs b/gstreamer-player/src/auto/enums.rs
index 9f7dd7d81..5250321fe 100644
--- a/gstreamer-player/src/auto/enums.rs
+++ b/gstreamer-player/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-player/src/auto/flags.rs b/gstreamer-player/src/auto/flags.rs
index a000ae933..956a81a14 100644
--- a/gstreamer-player/src/auto/flags.rs
+++ b/gstreamer-player/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-player/src/auto/mod.rs b/gstreamer-player/src/auto/mod.rs
index 5d9d50c28..a24f134c6 100644
--- a/gstreamer-player/src/auto/mod.rs
+++ b/gstreamer-player/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod player;
diff --git a/gstreamer-player/src/auto/player.rs b/gstreamer-player/src/auto/player.rs
index d056b9a96..052133c7d 100644
--- a/gstreamer-player/src/auto/player.rs
+++ b/gstreamer-player/src/auto/player.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Error;
@@ -11,6 +11,7 @@ use PlayerSubtitleInfo;
 use PlayerVideoInfo;
 use PlayerVisualization;
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -280,11 +281,12 @@ impl Player {
     }
 
     pub fn get_property_suburi(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "suburi".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn set_property_suburi(&self, suburi: Option<&str>) {
@@ -294,30 +296,30 @@ impl Player {
     }
 
     //pub fn get_property_video_multiview_flags(&self) -> /*Ignored*/gst_video::VideoMultiviewFlags {
-    //    let mut value = Value::from(&0u32);
     //    unsafe {
+    //        let mut value = Value::uninitialized();
+    //        gobject_ffi::g_value_init(value.to_glib_none_mut().0, </*Unknown type*/ as StaticType>::static_type().to_glib());
     //        gobject_ffi::g_object_get_property(self.to_glib_none().0, "video-multiview-flags".to_glib_none().0, value.to_glib_none_mut().0);
-    //        from_glib(transmute(value.get::<u32>().unwrap()))
+    //        value.get().unwrap()
     //    }
     //}
 
     //pub fn set_property_video_multiview_flags(&self, video_multiview_flags: /*Ignored*/gst_video::VideoMultiviewFlags) {
-    //    let video_multiview_flags = video_multiview_flags.to_glib().bits() as u32;
     //    unsafe {
     //        gobject_ffi::g_object_set_property(self.to_glib_none().0, "video-multiview-flags".to_glib_none().0, Value::from(&video_multiview_flags).to_glib_none().0);
     //    }
     //}
 
     //pub fn get_property_video_multiview_mode(&self) -> /*Ignored*/gst_video::VideoMultiviewFramePacking {
-    //    let mut value = Value::from(&0);
     //    unsafe {
+    //        let mut value = Value::uninitialized();
+    //        gobject_ffi::g_value_init(value.to_glib_none_mut().0, </*Unknown type*/ as StaticType>::static_type().to_glib());
     //        gobject_ffi::g_object_get_property(self.to_glib_none().0, "video-multiview-mode".to_glib_none().0, value.to_glib_none_mut().0);
-    //        from_glib(transmute(value.get::<i32>().unwrap()))
+    //        value.get().unwrap()
     //    }
     //}
 
     //pub fn set_property_video_multiview_mode(&self, video_multiview_mode: /*Ignored*/gst_video::VideoMultiviewFramePacking) {
-    //    let video_multiview_mode = video_multiview_mode.to_glib() as i32;
     //    unsafe {
     //        gobject_ffi::g_object_set_property(self.to_glib_none().0, "video-multiview-mode".to_glib_none().0, Value::from(&video_multiview_mode).to_glib_none().0);
     //    }
diff --git a/gstreamer-player/src/auto/player_audio_info.rs b/gstreamer-player/src/auto/player_audio_info.rs
index d1e6c5300..ed4af38f2 100644
--- a/gstreamer-player/src/auto/player_audio_info.rs
+++ b/gstreamer-player/src/auto/player_audio_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerStreamInfo;
diff --git a/gstreamer-player/src/auto/player_g_main_context_signal_dispatcher.rs b/gstreamer-player/src/auto/player_g_main_context_signal_dispatcher.rs
index 80f98727f..71ff6f70b 100644
--- a/gstreamer-player/src/auto/player_g_main_context_signal_dispatcher.rs
+++ b/gstreamer-player/src/auto/player_g_main_context_signal_dispatcher.rs
@@ -1,9 +1,10 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerSignalDispatcher;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -25,11 +26,12 @@ glib_wrapper! {
 
 impl PlayerGMainContextSignalDispatcher {
     pub fn get_property_application_context(&self) -> Option<glib::MainContext> {
-        let mut value = Value::from(None::<&glib::MainContext>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <glib::MainContext as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "application-context".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn connect_property_application_context_notify<F: Fn(&PlayerGMainContextSignalDispatcher) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
diff --git a/gstreamer-player/src/auto/player_media_info.rs b/gstreamer-player/src/auto/player_media_info.rs
index cb8bca13e..7c3e88464 100644
--- a/gstreamer-player/src/auto/player_media_info.rs
+++ b/gstreamer-player/src/auto/player_media_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerAudioInfo;
diff --git a/gstreamer-player/src/auto/player_signal_dispatcher.rs b/gstreamer-player/src/auto/player_signal_dispatcher.rs
index 1e193b212..70d041488 100644
--- a/gstreamer-player/src/auto/player_signal_dispatcher.rs
+++ b/gstreamer-player/src/auto/player_signal_dispatcher.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-player/src/auto/player_stream_info.rs b/gstreamer-player/src/auto/player_stream_info.rs
index bb7854908..a1a8e2ada 100644
--- a/gstreamer-player/src/auto/player_stream_info.rs
+++ b/gstreamer-player/src/auto/player_stream_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-player/src/auto/player_subtitle_info.rs b/gstreamer-player/src/auto/player_subtitle_info.rs
index cbe4f9bf3..66d3e1fa1 100644
--- a/gstreamer-player/src/auto/player_subtitle_info.rs
+++ b/gstreamer-player/src/auto/player_subtitle_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerStreamInfo;
diff --git a/gstreamer-player/src/auto/player_video_info.rs b/gstreamer-player/src/auto/player_video_info.rs
index be5f0f4cb..a69fe36a7 100644
--- a/gstreamer-player/src/auto/player_video_info.rs
+++ b/gstreamer-player/src/auto/player_video_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerStreamInfo;
diff --git a/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs b/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs
index 57eaa3fac..4e6433d84 100644
--- a/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs
+++ b/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs
@@ -1,9 +1,10 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use PlayerVideoRenderer;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::IsA;
 use glib::signal::SignalHandlerId;
@@ -58,11 +59,12 @@ impl PlayerVideoOverlayVideoRenderer {
     //}
 
     pub fn get_property_video_sink(&self) -> Option<gst::Element> {
-        let mut value = Value::from(None::<&gst::Element>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <gst::Element as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "video-sink".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn set_property_video_sink<P: IsA<gst::Element> + IsA<glib::object::Object> + glib::value::SetValueOptional>(&self, video_sink: Option<&P>) {
diff --git a/gstreamer-player/src/auto/player_video_renderer.rs b/gstreamer-player/src/auto/player_video_renderer.rs
index 8d3137f23..145009cf9 100644
--- a/gstreamer-player/src/auto/player_video_renderer.rs
+++ b/gstreamer-player/src/auto/player_video_renderer.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-player/src/auto/player_visualization.rs b/gstreamer-player/src/auto/player_visualization.rs
index 7a9453fcd..b009e0788 100644
--- a/gstreamer-player/src/auto/player_visualization.rs
+++ b/gstreamer-player/src/auto/player_visualization.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-video/src/auto/enums.rs b/gstreamer-video/src/auto/enums.rs
index 32d8d222f..9dacdc535 100644
--- a/gstreamer-video/src/auto/enums.rs
+++ b/gstreamer-video/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-video/src/auto/flags.rs b/gstreamer-video/src/auto/flags.rs
index 181302853..86ca3dd14 100644
--- a/gstreamer-video/src/auto/flags.rs
+++ b/gstreamer-video/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer-video/src/auto/mod.rs b/gstreamer-video/src/auto/mod.rs
index 3b253b512..dd93d1ae7 100644
--- a/gstreamer-video/src/auto/mod.rs
+++ b/gstreamer-video/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod video_overlay;
diff --git a/gstreamer-video/src/auto/video_overlay.rs b/gstreamer-video/src/auto/video_overlay.rs
index 8b5e3fb0f..0a6bd775e 100644
--- a/gstreamer-video/src/auto/video_overlay.rs
+++ b/gstreamer-video/src/auto/video_overlay.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/alias.rs b/gstreamer/src/auto/alias.rs
index f00994038..864ea408d 100644
--- a/gstreamer/src/auto/alias.rs
+++ b/gstreamer/src/auto/alias.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 #[allow(unused_imports)]
diff --git a/gstreamer/src/auto/bin.rs b/gstreamer/src/auto/bin.rs
index d9a425d8f..f09aa27e7 100644
--- a/gstreamer/src/auto/bin.rs
+++ b/gstreamer/src/auto/bin.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ChildProxy;
@@ -10,6 +10,7 @@ use Pad;
 use PadDirection;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -205,11 +206,12 @@ impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
     }
 
     fn get_property_async_handling(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "async-handling".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_async_handling(&self, async_handling: bool) {
@@ -219,11 +221,12 @@ impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
     }
 
     fn get_property_message_forward(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "message-forward".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_message_forward(&self, message_forward: bool) {
diff --git a/gstreamer/src/auto/bus.rs b/gstreamer/src/auto/bus.rs
index 712b0164d..e7d6d5d10 100644
--- a/gstreamer/src/auto/bus.rs
+++ b/gstreamer/src/auto/bus.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ClockTime;
diff --git a/gstreamer/src/auto/child_proxy.rs b/gstreamer/src/auto/child_proxy.rs
index 262208701..1b059be7f 100644
--- a/gstreamer/src/auto/child_proxy.rs
+++ b/gstreamer/src/auto/child_proxy.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/clock.rs b/gstreamer/src/auto/clock.rs
index 4c7d724c8..957f27755 100644
--- a/gstreamer/src/auto/clock.rs
+++ b/gstreamer/src/auto/clock.rs
@@ -1,10 +1,11 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ClockTime;
 use Object;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -51,7 +52,7 @@ impl Clock {
     //    unsafe { TODO: call ffi::gst_clock_id_wait() }
     //}
 
-    //pub fn id_wait_async<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(id: /*Unimplemented*/ClockID, func: /*Unknown conversion*//*Unimplemented*/ClockCallback, user_data: P, destroy_data: /*Unknown conversion*//*Unimplemented*/DestroyNotify) -> ClockReturn {
+    //pub fn id_wait_async(id: /*Unimplemented*/ClockID, func: /*Unknown conversion*//*Unimplemented*/ClockCallback, destroy_data: /*Unknown conversion*//*Unimplemented*/DestroyNotify) -> ClockReturn {
     //    unsafe { TODO: call ffi::gst_clock_id_wait_async() }
     //}
 }
@@ -270,11 +271,12 @@ impl<O: IsA<Clock> + IsA<glib::object::Object>> ClockExt for O {
     }
 
     fn get_property_window_size(&self) -> i32 {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <i32 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "window-size".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_window_size(&self, window_size: i32) {
@@ -284,11 +286,12 @@ impl<O: IsA<Clock> + IsA<glib::object::Object>> ClockExt for O {
     }
 
     fn get_property_window_threshold(&self) -> i32 {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <i32 as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "window-threshold".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_window_threshold(&self, window_threshold: i32) {
diff --git a/gstreamer/src/auto/date_time.rs b/gstreamer/src/auto/date_time.rs
index 34508bf74..0012e8fa6 100644
--- a/gstreamer/src/auto/date_time.rs
+++ b/gstreamer/src/auto/date_time.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/device.rs b/gstreamer/src/auto/device.rs
index 2a974ff4f..0ccd44678 100644
--- a/gstreamer/src/auto/device.rs
+++ b/gstreamer/src/auto/device.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Caps;
@@ -7,6 +7,7 @@ use Object;
 use Structure;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -119,35 +120,39 @@ impl<O: IsA<Device> + IsA<glib::object::Object>> DeviceExt for O {
     }
 
     fn get_property_caps(&self) -> Option<Caps> {
-        let mut value = Value::from(None::<&Caps>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <Caps as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "caps".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn get_property_device_class(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "device-class".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn get_property_display_name(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "display-name".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn get_property_properties(&self) -> Option<Structure> {
-        let mut value = Value::from(None::<&Structure>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <Structure as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "properties".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn connect_removed<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
diff --git a/gstreamer/src/auto/device_monitor.rs b/gstreamer/src/auto/device_monitor.rs
index c6f37d1bc..64ac6caa3 100644
--- a/gstreamer/src/auto/device_monitor.rs
+++ b/gstreamer/src/auto/device_monitor.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Bus;
@@ -7,6 +7,7 @@ use Device;
 use Object;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -132,11 +133,12 @@ impl<O: IsA<DeviceMonitor> + IsA<glib::object::Object>> DeviceMonitorExt for O {
     }
 
     fn get_property_show_all(&self) -> bool {
-        let mut value = Value::from(&false);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <bool as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "show-all".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get().unwrap()
         }
-        value.get().unwrap()
     }
 
     fn set_property_show_all(&self, show_all: bool) {
diff --git a/gstreamer/src/auto/device_provider.rs b/gstreamer/src/auto/device_provider.rs
index 313688fa1..ba88fcadc 100644
--- a/gstreamer/src/auto/device_provider.rs
+++ b/gstreamer/src/auto/device_provider.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Bus;
diff --git a/gstreamer/src/auto/device_provider_factory.rs b/gstreamer/src/auto/device_provider_factory.rs
index bf668d9f7..9f4020f91 100644
--- a/gstreamer/src/auto/device_provider_factory.rs
+++ b/gstreamer/src/auto/device_provider_factory.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use DeviceProvider;
diff --git a/gstreamer/src/auto/element.rs b/gstreamer/src/auto/element.rs
index e0fc580f4..60effd923 100644
--- a/gstreamer/src/auto/element.rs
+++ b/gstreamer/src/auto/element.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Bus;
@@ -85,7 +85,7 @@ pub trait ElementExt {
     fn add_pad<P: IsA<Pad>>(&self, pad: &P) -> Result<(), glib::error::BoolError>;
 
     //#[cfg(any(feature = "v1_10", feature = "dox"))]
-    //fn call_async<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, func: /*Unknown conversion*//*Unimplemented*/ElementCallAsyncFunc, user_data: P, destroy_notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify);
+    //fn call_async(&self, func: /*Unknown conversion*//*Unimplemented*/ElementCallAsyncFunc, destroy_notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify);
 
     fn change_state(&self, transition: StateChange) -> StateChangeReturn;
 
@@ -199,7 +199,7 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
     }
 
     //#[cfg(any(feature = "v1_10", feature = "dox"))]
-    //fn call_async<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, func: /*Unknown conversion*//*Unimplemented*/ElementCallAsyncFunc, user_data: P, destroy_notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify) {
+    //fn call_async(&self, func: /*Unknown conversion*//*Unimplemented*/ElementCallAsyncFunc, destroy_notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify) {
     //    unsafe { TODO: call ffi::gst_element_call_async() }
     //}
 
diff --git a/gstreamer/src/auto/element_factory.rs b/gstreamer/src/auto/element_factory.rs
index cc0178a3d..0b43ca1b2 100644
--- a/gstreamer/src/auto/element_factory.rs
+++ b/gstreamer/src/auto/element_factory.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Caps;
diff --git a/gstreamer/src/auto/enums.rs b/gstreamer/src/auto/enums.rs
index 2eacc8cf2..e1413857f 100644
--- a/gstreamer/src/auto/enums.rs
+++ b/gstreamer/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/flags.rs b/gstreamer/src/auto/flags.rs
index df188ae74..0fbd9ccb8 100644
--- a/gstreamer/src/auto/flags.rs
+++ b/gstreamer/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/functions.rs b/gstreamer/src/auto/functions.rs
index eaa3fd113..e577ca6f9 100644
--- a/gstreamer/src/auto/functions.rs
+++ b/gstreamer/src/auto/functions.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Bin;
diff --git a/gstreamer/src/auto/ghost_pad.rs b/gstreamer/src/auto/ghost_pad.rs
index 6fe317ded..470d3efeb 100644
--- a/gstreamer/src/auto/ghost_pad.rs
+++ b/gstreamer/src/auto/ghost_pad.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Object;
diff --git a/gstreamer/src/auto/mod.rs b/gstreamer/src/auto/mod.rs
index d8b6f6117..fed3339ed 100644
--- a/gstreamer/src/auto/mod.rs
+++ b/gstreamer/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 mod bin;
diff --git a/gstreamer/src/auto/object.rs b/gstreamer/src/auto/object.rs
index 5fcd91392..bf21cf7e8 100644
--- a/gstreamer/src/auto/object.rs
+++ b/gstreamer/src/auto/object.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ClockTime;
diff --git a/gstreamer/src/auto/pad.rs b/gstreamer/src/auto/pad.rs
index e80472b19..f025f22e3 100644
--- a/gstreamer/src/auto/pad.rs
+++ b/gstreamer/src/auto/pad.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Caps;
@@ -18,6 +18,7 @@ use Stream;
 use TaskState;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -543,19 +544,21 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
     }
 
     fn get_property_caps(&self) -> Option<Caps> {
-        let mut value = Value::from(None::<&Caps>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <Caps as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "caps".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn get_property_template(&self) -> Option<PadTemplate> {
-        let mut value = Value::from(None::<&PadTemplate>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <PadTemplate as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "template".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     fn set_property_template(&self, template: Option<&PadTemplate>) {
diff --git a/gstreamer/src/auto/pad_template.rs b/gstreamer/src/auto/pad_template.rs
index 94c8d39fa..78152af19 100644
--- a/gstreamer/src/auto/pad_template.rs
+++ b/gstreamer/src/auto/pad_template.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Caps;
@@ -7,6 +7,7 @@ use Pad;
 use PadDirection;
 use PadPresence;
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::object::IsA;
 use glib::signal::SignalHandlerId;
@@ -48,26 +49,29 @@ impl PadTemplate {
     }
 
     pub fn get_property_direction(&self) -> PadDirection {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <PadDirection as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "direction".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<i32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
     pub fn get_property_name_template(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "name-template".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn get_property_presence(&self) -> PadPresence {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <PadPresence as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "presence".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<i32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
diff --git a/gstreamer/src/auto/pipeline.rs b/gstreamer/src/auto/pipeline.rs
index fcbc35b80..4f39acb9a 100644
--- a/gstreamer/src/auto/pipeline.rs
+++ b/gstreamer/src/auto/pipeline.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Bin;
diff --git a/gstreamer/src/auto/plugin.rs b/gstreamer/src/auto/plugin.rs
index cc70a0aff..8afec43b7 100644
--- a/gstreamer/src/auto/plugin.rs
+++ b/gstreamer/src/auto/plugin.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Error;
diff --git a/gstreamer/src/auto/preset.rs b/gstreamer/src/auto/preset.rs
index 753045cca..55cbc45f2 100644
--- a/gstreamer/src/auto/preset.rs
+++ b/gstreamer/src/auto/preset.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use ffi;
diff --git a/gstreamer/src/auto/proxy_pad.rs b/gstreamer/src/auto/proxy_pad.rs
index c82525517..306593c65 100644
--- a/gstreamer/src/auto/proxy_pad.rs
+++ b/gstreamer/src/auto/proxy_pad.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Object;
diff --git a/gstreamer/src/auto/stream.rs b/gstreamer/src/auto/stream.rs
index bfb1fe1e3..d303a4faf 100644
--- a/gstreamer/src/auto/stream.rs
+++ b/gstreamer/src/auto/stream.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Caps;
@@ -7,6 +7,7 @@ use StreamFlags;
 use StreamType;
 use TagList;
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -107,11 +108,12 @@ impl Stream {
     }
 
     pub fn get_property_caps(&self) -> Option<Caps> {
-        let mut value = Value::from(None::<&Caps>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <Caps as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "caps".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn set_property_caps(&self, caps: Option<&Caps>) {
@@ -121,49 +123,51 @@ impl Stream {
     }
 
     pub fn get_property_stream_flags(&self) -> StreamFlags {
-        let mut value = Value::from(&0u32);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <StreamFlags as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "stream-flags".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<u32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
     pub fn set_property_stream_flags(&self, stream_flags: StreamFlags) {
-        let stream_flags = stream_flags.to_glib().bits() as u32;
         unsafe {
             gobject_ffi::g_object_set_property(self.to_glib_none().0, "stream-flags".to_glib_none().0, Value::from(&stream_flags).to_glib_none().0);
         }
     }
 
     pub fn get_property_stream_id(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "stream-id".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn get_property_stream_type(&self) -> StreamType {
-        let mut value = Value::from(&0u32);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <StreamType as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "stream-type".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<u32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
     pub fn set_property_stream_type(&self, stream_type: StreamType) {
-        let stream_type = stream_type.to_glib().bits() as u32;
         unsafe {
             gobject_ffi::g_object_set_property(self.to_glib_none().0, "stream-type".to_glib_none().0, Value::from(&stream_type).to_glib_none().0);
         }
     }
 
     pub fn get_property_tags(&self) -> Option<TagList> {
-        let mut value = Value::from(None::<&TagList>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <TagList as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "tags".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn set_property_tags(&self, tags: Option<&TagList>) {
diff --git a/gstreamer/src/auto/stream_collection.rs b/gstreamer/src/auto/stream_collection.rs
index bede9e36b..7f8ad1b23 100644
--- a/gstreamer/src/auto/stream_collection.rs
+++ b/gstreamer/src/auto/stream_collection.rs
@@ -1,10 +1,11 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Object;
 #[cfg(any(feature = "v1_10", feature = "dox"))]
 use Stream;
 use ffi;
+use glib::StaticType;
 use glib::Value;
 use glib::signal::SignalHandlerId;
 use glib::signal::connect;
@@ -64,11 +65,12 @@ impl StreamCollection {
     }
 
     pub fn get_property_upstream_id(&self) -> Option<String> {
-        let mut value = Value::from(None::<&str>);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <String as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "upstream-id".to_glib_none().0, value.to_glib_none_mut().0);
+            value.get()
         }
-        value.get()
     }
 
     pub fn set_property_upstream_id(&self, upstream_id: Option<&str>) {
diff --git a/gstreamer/src/auto/system_clock.rs b/gstreamer/src/auto/system_clock.rs
index 86b064f61..da45d21b1 100644
--- a/gstreamer/src/auto/system_clock.rs
+++ b/gstreamer/src/auto/system_clock.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Clock;
@@ -6,6 +6,7 @@ use ClockType;
 use Object;
 use ffi;
 use glib;
+use glib::StaticType;
 use glib::Value;
 use glib::object::Downcast;
 use glib::object::IsA;
@@ -56,15 +57,15 @@ pub trait SystemClockExt {
 
 impl<O: IsA<SystemClock> + IsA<glib::object::Object>> SystemClockExt for O {
     fn get_property_clock_type(&self) -> ClockType {
-        let mut value = Value::from(&0);
         unsafe {
+            let mut value = Value::uninitialized();
+            gobject_ffi::g_value_init(value.to_glib_none_mut().0, <ClockType as StaticType>::static_type().to_glib());
             gobject_ffi::g_object_get_property(self.to_glib_none().0, "clock-type".to_glib_none().0, value.to_glib_none_mut().0);
-            from_glib(transmute(value.get::<i32>().unwrap()))
+            value.get().unwrap()
         }
     }
 
     fn set_property_clock_type(&self, clock_type: ClockType) {
-        let clock_type = clock_type.to_glib() as i32;
         unsafe {
             gobject_ffi::g_object_set_property(self.to_glib_none().0, "clock-type".to_glib_none().0, Value::from(&clock_type).to_glib_none().0);
         }
diff --git a/gstreamer/src/auto/tag_setter.rs b/gstreamer/src/auto/tag_setter.rs
index 34bb69e04..fa7a1f1de 100644
--- a/gstreamer/src/auto/tag_setter.rs
+++ b/gstreamer/src/auto/tag_setter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Element;
diff --git a/gstreamer/src/auto/toc_setter.rs b/gstreamer/src/auto/toc_setter.rs
index 1ba611402..bcf4d08e1 100644
--- a/gstreamer/src/auto/toc_setter.rs
+++ b/gstreamer/src/auto/toc_setter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Element;
diff --git a/gstreamer/src/auto/u_r_i_handler.rs b/gstreamer/src/auto/u_r_i_handler.rs
index d260e6594..b5239c79e 100644
--- a/gstreamer/src/auto/u_r_i_handler.rs
+++ b/gstreamer/src/auto/u_r_i_handler.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (0409d73) from gir-files (???)
+// This file was generated by gir (d50d839) from gir-files (???)
 // DO NOT EDIT
 
 use Error;