diff --git a/Gir_Gst.toml b/Gir_Gst.toml
index 3555fb625..f063a5a04 100644
--- a/Gir_Gst.toml
+++ b/Gir_Gst.toml
@@ -12,19 +12,13 @@ external_libraries = [
 ]
 
 generate = [
-    "Gst.Object",
-    "Gst.Bus",
-    "Gst.Clock",
     "Gst.ClockTime",
-    "Gst.Element",
-    "Gst.Bin",
     "Gst.Pipeline",
     "Gst.State",
     "Gst.StateChangeReturn",
     "Gst.StateChange",
     "Gst.SeekFlags",
     "Gst.SeekType",
-    "Gst.Pad",
     "Gst.FlowReturn",
     "Gst.PadDirection",
     "Gst.PadTemplate",
@@ -39,3 +33,148 @@ manual = [
     "GLib.Error",
     #"Gst.Message",
 ]
+
+[[object]]
+name = "Gst.Bin"
+status = "generate"
+    [[object.function]]
+    name = "add"
+        [object.function.return]
+        bool_return_is_error = "Failed to add element"
+
+    [[object.function]]
+    name = "remove"
+        [object.function.return]
+        bool_return_is_error = "Failed to remove element"
+
+    [[object.function]]
+    name = "recalculate_latency"
+        [object.function.return]
+        bool_return_is_error = "Failed to recalculate latency"
+
+    [[object.function]]
+    name = "sync_children_states"
+        [object.function.return]
+        bool_return_is_error = "Failed to sync children states"
+
+[[object]]
+name = "Gst.Bus"
+status = "generate"
+    [[object.function]]
+    name = "remove_watch"
+    # Needs manual bindings and GSource support in glib-rs
+    ignore = true
+
+[[object]]
+name = "Gst.Clock"
+status = "generate"
+    [[object.function]]
+    name = "set_master"
+        [object.function.return]
+        bool_return_is_error = "Failed to set master clock"
+
+    [[object.function]]
+    name = "wait_for_sync"
+        [object.function.return]
+        bool_return_is_error = "Timed out waiting for sync"
+
+[[object]]
+name = "Gst.Element"
+status = "generate"
+    [[object.function]]
+    name = "add_pad"
+        [object.function.return]
+        bool_return_is_error = "Failed to add pad"
+
+    [[object.function]]
+    name = "remove_pad"
+        [object.function.return]
+        bool_return_is_error = "Failed to remove pad"
+
+    [[object.function]]
+    name = "link"
+        [object.function.return]
+        bool_return_is_error = "Failed to link elements"
+
+    [[object.function]]
+    name = "link_pads"
+        [object.function.return]
+        bool_return_is_error = "Failed to link pads"
+
+    [[object.function]]
+    name = "seek"
+        [object.function.return]
+        bool_return_is_error = "Failed to seek"
+
+    [[object.function]]
+    name = "seek_simple"
+        [object.function.return]
+        bool_return_is_error = "Failed to seek"
+
+    [[object.function]]
+    name = "set_clock"
+        [object.function.return]
+        bool_return_is_error = "Failed to set clock"
+
+    [[object.function]]
+    name = "sync_state_with_parent"
+        [object.function.return]
+        bool_return_is_error = "Failed to sync state with parent"
+
+[[object]]
+name = "Gst.Object"
+status = "generate"
+    [[object.function]]
+    name = "set_name"
+        [object.function.return]
+        bool_return_is_error = "Failed to set object name"
+
+    [[object.function]]
+    name = "set_parent"
+        [object.function.return]
+        bool_return_is_error = "Failed to set parent object"
+
+    [[object.function]]
+    name = "sync_values"
+        [object.function.return]
+        bool_return_is_error = "Failed to sync values"
+
+[[object]]
+name = "Gst.Pad"
+status = "generate"
+    [[object.function]]
+    name = "link_maybe_ghosting"
+        [object.function.return]
+        bool_return_is_error = "Failed to link pad, possibly ghosting"
+
+    [[object.function]]
+    name = "unlink"
+        [object.function.return]
+        bool_return_is_error = "Failed to unlink pad"
+
+    [[object.function]]
+    name = "pause_task"
+        [object.function.return]
+        bool_return_is_error = "Failed to pause pad task"
+
+    [[object.function]]
+    name = "stop_task"
+        [object.function.return]
+        bool_return_is_error = "Failed to stop pad task"
+
+    [[object.function]]
+    name = "set_active"
+        [object.function.return]
+        bool_return_is_error = "Failed to activate pad"
+
+[[object]]
+name = "Gst.*"
+status = "generate"
+    [[object.function]]
+    name = "update_registry"
+        [object.function.return]
+        bool_return_is_error = "Failed to update registry"
+
+    [[object.function]]
+    name = "util_dump_mem"
+    ignore = true
diff --git a/gstreamer/src/auto/bin.rs b/gstreamer/src/auto/bin.rs
index f1901d2bf..c71428167 100644
--- a/gstreamer/src/auto/bin.rs
+++ b/gstreamer/src/auto/bin.rs
@@ -36,7 +36,7 @@ impl Bin {
 }
 
 pub trait BinExt {
-    fn add<P: IsA<Element>>(&self, element: &P) -> bool;
+    fn add<P: IsA<Element>>(&self, element: &P) -> Result<(), glib::error::BoolError>;
 
     //fn add_many<P: IsA<Element>>(&self, element_1: &P, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs);
 
@@ -63,9 +63,9 @@ pub trait BinExt {
 
     //fn iterate_sources(&self) -> /*Ignored*/Option<Iterator>;
 
-    fn recalculate_latency(&self) -> bool;
+    fn recalculate_latency(&self) -> Result<(), glib::error::BoolError>;
 
-    fn remove<P: IsA<Element>>(&self, element: &P) -> bool;
+    fn remove<P: IsA<Element>>(&self, element: &P) -> Result<(), glib::error::BoolError>;
 
     //fn remove_many<P: IsA<Element>>(&self, element_1: &P, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs);
 
@@ -73,7 +73,7 @@ pub trait BinExt {
     //fn set_suppressed_flags(&self, flags: /*Ignored*/ElementFlags);
 
     #[cfg(feature = "v1_6")]
-    fn sync_children_states(&self) -> bool;
+    fn sync_children_states(&self) -> Result<(), glib::error::BoolError>;
 
     fn get_property_async_handling(&self) -> bool;
 
@@ -97,9 +97,9 @@ pub trait BinExt {
 }
 
 impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
-    fn add<P: IsA<Element>>(&self, element: &P) -> bool {
+    fn add<P: IsA<Element>>(&self, element: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_bin_add(self.to_glib_none().0, element.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_bin_add(self.to_glib_none().0, element.to_glib_none().0), "Failed to add element")
         }
     }
 
@@ -160,15 +160,15 @@ impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
     //    unsafe { TODO: call ffi::gst_bin_iterate_sources() }
     //}
 
-    fn recalculate_latency(&self) -> bool {
+    fn recalculate_latency(&self) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_bin_recalculate_latency(self.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_bin_recalculate_latency(self.to_glib_none().0), "Failed to recalculate latency")
         }
     }
 
-    fn remove<P: IsA<Element>>(&self, element: &P) -> bool {
+    fn remove<P: IsA<Element>>(&self, element: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_bin_remove(self.to_glib_none().0, element.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_bin_remove(self.to_glib_none().0, element.to_glib_none().0), "Failed to remove element")
         }
     }
 
@@ -182,9 +182,9 @@ impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
     //}
 
     #[cfg(feature = "v1_6")]
-    fn sync_children_states(&self) -> bool {
+    fn sync_children_states(&self) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_bin_sync_children_states(self.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_bin_sync_children_states(self.to_glib_none().0), "Failed to sync children states")
         }
     }
 
diff --git a/gstreamer/src/auto/bus.rs b/gstreamer/src/auto/bus.rs
index f66b8e7e3..1d01ecd93 100644
--- a/gstreamer/src/auto/bus.rs
+++ b/gstreamer/src/auto/bus.rs
@@ -53,9 +53,6 @@ pub trait BusExt {
 
     fn remove_signal_watch(&self);
 
-    #[cfg(feature = "v1_6")]
-    fn remove_watch(&self) -> bool;
-
     fn set_flushing(&self, flushing: bool);
 
     //fn set_sync_handler<'a, P: Into<Option<&'a /*Unimplemented*/BusSyncHandler>>, Q: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, func: P, user_data: Q, notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify);
@@ -144,13 +141,6 @@ impl<O: IsA<Bus>> BusExt for O {
         }
     }
 
-    #[cfg(feature = "v1_6")]
-    fn remove_watch(&self) -> bool {
-        unsafe {
-            from_glib(ffi::gst_bus_remove_watch(self.to_glib_none().0))
-        }
-    }
-
     fn set_flushing(&self, flushing: bool) {
         unsafe {
             ffi::gst_bus_set_flushing(self.to_glib_none().0, flushing.to_glib());
diff --git a/gstreamer/src/auto/clock.rs b/gstreamer/src/auto/clock.rs
index 0a7cfa107..c8b249a54 100644
--- a/gstreamer/src/auto/clock.rs
+++ b/gstreamer/src/auto/clock.rs
@@ -94,7 +94,7 @@ pub trait ClockExt {
 
     fn set_calibration(&self, internal: ClockTime, external: ClockTime, rate_num: ClockTime, rate_denom: ClockTime);
 
-    fn set_master<'a, P: IsA<Clock> + 'a, Q: Into<Option<&'a P>>>(&self, master: Q) -> bool;
+    fn set_master<'a, P: IsA<Clock> + 'a, Q: Into<Option<&'a P>>>(&self, master: Q) -> Result<(), glib::error::BoolError>;
 
     fn set_resolution(&self, resolution: ClockTime) -> ClockTime;
 
@@ -111,7 +111,7 @@ pub trait ClockExt {
     fn unadjust_with_calibration(&self, external_target: ClockTime, cinternal: ClockTime, cexternal: ClockTime, cnum: ClockTime, cdenom: ClockTime) -> ClockTime;
 
     #[cfg(feature = "v1_6")]
-    fn wait_for_sync(&self, timeout: ClockTime) -> bool;
+    fn wait_for_sync(&self, timeout: ClockTime) -> Result<(), glib::error::BoolError>;
 
     fn get_property_window_size(&self) -> i32;
 
@@ -226,11 +226,11 @@ impl<O: IsA<Clock> + IsA<glib::object::Object>> ClockExt for O {
         }
     }
 
-    fn set_master<'a, P: IsA<Clock> + 'a, Q: Into<Option<&'a P>>>(&self, master: Q) -> bool {
+    fn set_master<'a, P: IsA<Clock> + 'a, Q: Into<Option<&'a P>>>(&self, master: Q) -> Result<(), glib::error::BoolError> {
         let master = master.into();
         let master = master.to_glib_none();
         unsafe {
-            from_glib(ffi::gst_clock_set_master(self.to_glib_none().0, master.0))
+            glib::error::BoolError::from_glib(ffi::gst_clock_set_master(self.to_glib_none().0, master.0), "Failed to set master clock")
         }
     }
 
@@ -271,9 +271,9 @@ impl<O: IsA<Clock> + IsA<glib::object::Object>> ClockExt for O {
     }
 
     #[cfg(feature = "v1_6")]
-    fn wait_for_sync(&self, timeout: ClockTime) -> bool {
+    fn wait_for_sync(&self, timeout: ClockTime) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_clock_wait_for_sync(self.to_glib_none().0, timeout))
+            glib::error::BoolError::from_glib(ffi::gst_clock_wait_for_sync(self.to_glib_none().0, timeout), "Timed out waiting for sync")
         }
     }
 
diff --git a/gstreamer/src/auto/element.rs b/gstreamer/src/auto/element.rs
index 17f6e303c..abec71330 100644
--- a/gstreamer/src/auto/element.rs
+++ b/gstreamer/src/auto/element.rs
@@ -69,7 +69,7 @@ impl Element {
 pub trait ElementExt {
     fn abort_state(&self);
 
-    fn add_pad<P: IsA<Pad>>(&self, pad: &P) -> bool;
+    fn add_pad<P: IsA<Pad>>(&self, pad: &P) -> Result<(), glib::error::BoolError>;
 
     #[cfg(feature = "v1_10")]
     fn add_property_deep_notify_watch<'a, P: Into<Option<&'a str>>>(&self, property_name: P, include_value: bool) -> libc::c_ulong;
@@ -123,13 +123,13 @@ pub trait ElementExt {
 
     //fn iterate_src_pads(&self) -> /*Ignored*/Option<Iterator>;
 
-    fn link<P: IsA<Element>>(&self, dest: &P) -> bool;
+    fn link<P: IsA<Element>>(&self, dest: &P) -> Result<(), glib::error::BoolError>;
 
     //fn link_filtered<'a, P: IsA<Element>, Q: Into<Option<&'a /*Ignored*/Caps>>>(&self, dest: &P, filter: Q) -> bool;
 
     //fn link_many<P: IsA<Element>>(&self, element_2: &P, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> bool;
 
-    fn link_pads<'a, 'b, P: Into<Option<&'a str>>, Q: IsA<Element>, R: Into<Option<&'b str>>>(&self, srcpadname: P, dest: &Q, destpadname: R) -> bool;
+    fn link_pads<'a, 'b, P: Into<Option<&'a str>>, Q: IsA<Element>, R: Into<Option<&'b str>>>(&self, srcpadname: P, dest: &Q, destpadname: R) -> Result<(), glib::error::BoolError>;
 
     //fn link_pads_filtered<'a, 'b, 'c, P: Into<Option<&'a str>>, Q: IsA<Element>, R: Into<Option<&'b str>>, S: Into<Option<&'c /*Ignored*/Caps>>>(&self, srcpadname: P, dest: &Q, destpadname: R, filter: S) -> bool;
 
@@ -158,16 +158,16 @@ pub trait ElementExt {
 
     fn release_request_pad<P: IsA<Pad>>(&self, pad: &P);
 
-    fn remove_pad<P: IsA<Pad>>(&self, pad: &P) -> bool;
+    fn remove_pad<P: IsA<Pad>>(&self, pad: &P) -> Result<(), glib::error::BoolError>;
 
     #[cfg(feature = "v1_10")]
     fn remove_property_notify_watch(&self, watch_id: libc::c_ulong);
 
     //fn request_pad<'a, 'b, P: Into<Option<&'a str>>, Q: Into<Option<&'b /*Ignored*/Caps>>>(&self, templ: &PadTemplate, name: P, caps: Q) -> Option<Pad>;
 
-    fn seek(&self, rate: f64, format: Format, flags: SeekFlags, start_type: SeekType, start: i64, stop_type: SeekType, stop: i64) -> bool;
+    fn seek(&self, rate: f64, format: Format, flags: SeekFlags, start_type: SeekType, start: i64, stop_type: SeekType, stop: i64) -> Result<(), glib::error::BoolError>;
 
-    fn seek_simple(&self, format: Format, seek_flags: SeekFlags, seek_pos: i64) -> bool;
+    fn seek_simple(&self, format: Format, seek_flags: SeekFlags, seek_pos: i64) -> Result<(), glib::error::BoolError>;
 
     //fn send_event(&self, event: /*Ignored*/&mut Event) -> bool;
 
@@ -175,7 +175,7 @@ pub trait ElementExt {
 
     fn set_bus(&self, bus: &Bus);
 
-    fn set_clock<P: IsA<Clock>>(&self, clock: &P) -> bool;
+    fn set_clock<P: IsA<Clock>>(&self, clock: &P) -> Result<(), glib::error::BoolError>;
 
     //fn set_context(&self, context: /*Ignored*/&mut Context);
 
@@ -185,7 +185,7 @@ pub trait ElementExt {
 
     fn set_state(&self, state: State) -> StateChangeReturn;
 
-    fn sync_state_with_parent(&self) -> bool;
+    fn sync_state_with_parent(&self) -> Result<(), glib::error::BoolError>;
 
     fn unlink<P: IsA<Element>>(&self, dest: &P);
 
@@ -207,9 +207,9 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
         }
     }
 
-    fn add_pad<P: IsA<Pad>>(&self, pad: &P) -> bool {
+    fn add_pad<P: IsA<Pad>>(&self, pad: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_add_pad(self.to_glib_none().0, pad.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_element_add_pad(self.to_glib_none().0, pad.to_glib_none().0), "Failed to add pad")
         }
     }
 
@@ -348,9 +348,9 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
     //    unsafe { TODO: call ffi::gst_element_iterate_src_pads() }
     //}
 
-    fn link<P: IsA<Element>>(&self, dest: &P) -> bool {
+    fn link<P: IsA<Element>>(&self, dest: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_link(self.to_glib_none().0, dest.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_element_link(self.to_glib_none().0, dest.to_glib_none().0), "Failed to link elements")
         }
     }
 
@@ -362,13 +362,13 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
     //    unsafe { TODO: call ffi::gst_element_link_many() }
     //}
 
-    fn link_pads<'a, 'b, P: Into<Option<&'a str>>, Q: IsA<Element>, R: Into<Option<&'b str>>>(&self, srcpadname: P, dest: &Q, destpadname: R) -> bool {
+    fn link_pads<'a, 'b, P: Into<Option<&'a str>>, Q: IsA<Element>, R: Into<Option<&'b str>>>(&self, srcpadname: P, dest: &Q, destpadname: R) -> Result<(), glib::error::BoolError> {
         let srcpadname = srcpadname.into();
         let srcpadname = srcpadname.to_glib_none();
         let destpadname = destpadname.into();
         let destpadname = destpadname.to_glib_none();
         unsafe {
-            from_glib(ffi::gst_element_link_pads(self.to_glib_none().0, srcpadname.0, dest.to_glib_none().0, destpadname.0))
+            glib::error::BoolError::from_glib(ffi::gst_element_link_pads(self.to_glib_none().0, srcpadname.0, dest.to_glib_none().0, destpadname.0), "Failed to link pads")
         }
     }
 
@@ -445,9 +445,9 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
         }
     }
 
-    fn remove_pad<P: IsA<Pad>>(&self, pad: &P) -> bool {
+    fn remove_pad<P: IsA<Pad>>(&self, pad: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_remove_pad(self.to_glib_none().0, pad.to_glib_full()))
+            glib::error::BoolError::from_glib(ffi::gst_element_remove_pad(self.to_glib_none().0, pad.to_glib_full()), "Failed to remove pad")
         }
     }
 
@@ -462,15 +462,15 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
     //    unsafe { TODO: call ffi::gst_element_request_pad() }
     //}
 
-    fn seek(&self, rate: f64, format: Format, flags: SeekFlags, start_type: SeekType, start: i64, stop_type: SeekType, stop: i64) -> bool {
+    fn seek(&self, rate: f64, format: Format, flags: SeekFlags, start_type: SeekType, start: i64, stop_type: SeekType, stop: i64) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_seek(self.to_glib_none().0, rate, format.to_glib(), flags.to_glib(), start_type.to_glib(), start, stop_type.to_glib(), stop))
+            glib::error::BoolError::from_glib(ffi::gst_element_seek(self.to_glib_none().0, rate, format.to_glib(), flags.to_glib(), start_type.to_glib(), start, stop_type.to_glib(), stop), "Failed to seek")
         }
     }
 
-    fn seek_simple(&self, format: Format, seek_flags: SeekFlags, seek_pos: i64) -> bool {
+    fn seek_simple(&self, format: Format, seek_flags: SeekFlags, seek_pos: i64) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_seek_simple(self.to_glib_none().0, format.to_glib(), seek_flags.to_glib(), seek_pos))
+            glib::error::BoolError::from_glib(ffi::gst_element_seek_simple(self.to_glib_none().0, format.to_glib(), seek_flags.to_glib(), seek_pos), "Failed to seek")
         }
     }
 
@@ -490,9 +490,9 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
         }
     }
 
-    fn set_clock<P: IsA<Clock>>(&self, clock: &P) -> bool {
+    fn set_clock<P: IsA<Clock>>(&self, clock: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_set_clock(self.to_glib_none().0, clock.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_element_set_clock(self.to_glib_none().0, clock.to_glib_none().0), "Failed to set clock")
         }
     }
 
@@ -518,9 +518,9 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
         }
     }
 
-    fn sync_state_with_parent(&self) -> bool {
+    fn sync_state_with_parent(&self) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_element_sync_state_with_parent(self.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_element_sync_state_with_parent(self.to_glib_none().0), "Failed to sync state with parent")
         }
     }
 
diff --git a/gstreamer/src/auto/mod.rs b/gstreamer/src/auto/mod.rs
index 743484996..1a0feb2cd 100644
--- a/gstreamer/src/auto/mod.rs
+++ b/gstreamer/src/auto/mod.rs
@@ -70,6 +70,8 @@ mod alias;
 pub use self::alias::ClockTime;
 pub use self::alias::ElementFactoryListType;
 
+pub mod functions;
+
 #[doc(hidden)]
 pub mod traits {
     pub use super::BinExt;
diff --git a/gstreamer/src/auto/object.rs b/gstreamer/src/auto/object.rs
index 9a30162da..743cf9582 100644
--- a/gstreamer/src/auto/object.rs
+++ b/gstreamer/src/auto/object.rs
@@ -4,6 +4,7 @@
 use ClockTime;
 use Error;
 use ffi;
+use glib;
 use glib::object::IsA;
 use glib::translate::*;
 
@@ -73,13 +74,13 @@ pub trait ObjectExt {
 
     fn set_control_rate(&self, control_rate: ClockTime);
 
-    fn set_name<'a, P: Into<Option<&'a str>>>(&self, name: P) -> bool;
+    fn set_name<'a, P: Into<Option<&'a str>>>(&self, name: P) -> Result<(), glib::error::BoolError>;
 
-    fn set_parent<P: IsA<Object>>(&self, parent: &P) -> bool;
+    fn set_parent<P: IsA<Object>>(&self, parent: &P) -> Result<(), glib::error::BoolError>;
 
     fn suggest_next_sync(&self) -> ClockTime;
 
-    fn sync_values(&self, timestamp: ClockTime) -> bool;
+    fn sync_values(&self, timestamp: ClockTime) -> Result<(), glib::error::BoolError>;
 
     fn unparent(&self);
 
@@ -186,17 +187,17 @@ impl<O: IsA<Object>> ObjectExt for O {
         }
     }
 
-    fn set_name<'a, P: Into<Option<&'a str>>>(&self, name: P) -> bool {
+    fn set_name<'a, P: Into<Option<&'a str>>>(&self, name: P) -> Result<(), glib::error::BoolError> {
         let name = name.into();
         let name = name.to_glib_none();
         unsafe {
-            from_glib(ffi::gst_object_set_name(self.to_glib_none().0, name.0))
+            glib::error::BoolError::from_glib(ffi::gst_object_set_name(self.to_glib_none().0, name.0), "Failed to set object name")
         }
     }
 
-    fn set_parent<P: IsA<Object>>(&self, parent: &P) -> bool {
+    fn set_parent<P: IsA<Object>>(&self, parent: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_object_set_parent(self.to_glib_none().0, parent.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_object_set_parent(self.to_glib_none().0, parent.to_glib_none().0), "Failed to set parent object")
         }
     }
 
@@ -206,9 +207,9 @@ impl<O: IsA<Object>> ObjectExt for O {
         }
     }
 
-    fn sync_values(&self, timestamp: ClockTime) -> bool {
+    fn sync_values(&self, timestamp: ClockTime) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_object_sync_values(self.to_glib_none().0, timestamp))
+            glib::error::BoolError::from_glib(ffi::gst_object_sync_values(self.to_glib_none().0, timestamp), "Failed to sync values")
         }
     }
 
diff --git a/gstreamer/src/auto/pad.rs b/gstreamer/src/auto/pad.rs
index 60b0dc958..e2c9e8b91 100644
--- a/gstreamer/src/auto/pad.rs
+++ b/gstreamer/src/auto/pad.rs
@@ -133,7 +133,7 @@ pub trait PadExt {
     //fn link_full<P: IsA<Pad>>(&self, sinkpad: &P, flags: /*Ignored*/PadLinkCheck) -> /*Ignored*/PadLinkReturn;
 
     #[cfg(feature = "v1_10")]
-    fn link_maybe_ghosting<P: IsA<Pad>>(&self, sink: &P) -> bool;
+    fn link_maybe_ghosting<P: IsA<Pad>>(&self, sink: &P) -> Result<(), glib::error::BoolError>;
 
     //#[cfg(feature = "v1_10")]
     //fn link_maybe_ghosting_full<P: IsA<Pad>>(&self, sink: &P, flags: /*Ignored*/PadLinkCheck) -> bool;
@@ -142,7 +142,7 @@ pub trait PadExt {
 
     fn needs_reconfigure(&self) -> bool;
 
-    fn pause_task(&self) -> bool;
+    fn pause_task(&self) -> Result<(), glib::error::BoolError>;
 
     //fn peer_query(&self, query: /*Ignored*/&mut Query) -> bool;
 
@@ -190,7 +190,7 @@ pub trait PadExt {
 
     //fn set_activatemode_function_full<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, activatemode: /*Unknown conversion*//*Unimplemented*/PadActivateModeFunction, user_data: P, notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify);
 
-    fn set_active(&self, active: bool) -> bool;
+    fn set_active(&self, active: bool) -> Result<(), glib::error::BoolError>;
 
     //fn set_chain_function_full<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, chain: /*Unknown conversion*//*Unimplemented*/PadChainFunction, user_data: P, notify: /*Unknown conversion*//*Unimplemented*/DestroyNotify);
 
@@ -219,12 +219,12 @@ pub trait PadExt {
 
     //fn sticky_events_foreach<P: Into<Option</*Unimplemented*/Fundamental: Pointer>>>(&self, foreach_func: /*Unknown conversion*//*Unimplemented*/PadStickyEventsForeachFunction, user_data: P);
 
-    fn stop_task(&self) -> bool;
+    fn stop_task(&self) -> Result<(), glib::error::BoolError>;
 
     //#[cfg(feature = "v1_2")]
     //fn store_sticky_event(&self, event: /*Ignored*/&mut Event) -> FlowReturn;
 
-    fn unlink<P: IsA<Pad>>(&self, sinkpad: &P) -> bool;
+    fn unlink<P: IsA<Pad>>(&self, sinkpad: &P) -> Result<(), glib::error::BoolError>;
 
     fn use_fixed_caps(&self);
 
@@ -417,9 +417,9 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
     //}
 
     #[cfg(feature = "v1_10")]
-    fn link_maybe_ghosting<P: IsA<Pad>>(&self, sink: &P) -> bool {
+    fn link_maybe_ghosting<P: IsA<Pad>>(&self, sink: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_pad_link_maybe_ghosting(self.to_glib_none().0, sink.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_pad_link_maybe_ghosting(self.to_glib_none().0, sink.to_glib_none().0), "Failed to link pad, possibly ghosting")
         }
     }
 
@@ -440,9 +440,9 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
         }
     }
 
-    fn pause_task(&self) -> bool {
+    fn pause_task(&self) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_pad_pause_task(self.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_pad_pause_task(self.to_glib_none().0), "Failed to pause pad task")
         }
     }
 
@@ -564,9 +564,9 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
     //    unsafe { TODO: call ffi::gst_pad_set_activatemode_function_full() }
     //}
 
-    fn set_active(&self, active: bool) -> bool {
+    fn set_active(&self, active: bool) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_pad_set_active(self.to_glib_none().0, active.to_glib()))
+            glib::error::BoolError::from_glib(ffi::gst_pad_set_active(self.to_glib_none().0, active.to_glib()), "Failed to activate pad")
         }
     }
 
@@ -625,9 +625,9 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
     //    unsafe { TODO: call ffi::gst_pad_sticky_events_foreach() }
     //}
 
-    fn stop_task(&self) -> bool {
+    fn stop_task(&self) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_pad_stop_task(self.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_pad_stop_task(self.to_glib_none().0), "Failed to stop pad task")
         }
     }
 
@@ -636,9 +636,9 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
     //    unsafe { TODO: call ffi::gst_pad_store_sticky_event() }
     //}
 
-    fn unlink<P: IsA<Pad>>(&self, sinkpad: &P) -> bool {
+    fn unlink<P: IsA<Pad>>(&self, sinkpad: &P) -> Result<(), glib::error::BoolError> {
         unsafe {
-            from_glib(ffi::gst_pad_unlink(self.to_glib_none().0, sinkpad.to_glib_none().0))
+            glib::error::BoolError::from_glib(ffi::gst_pad_unlink(self.to_glib_none().0, sinkpad.to_glib_none().0), "Failed to unlink pad")
         }
     }