diff --git a/gstreamer-base/src/auto/aggregator.rs b/gstreamer-base/src/auto/aggregator.rs
index 4b5dbb0e1..243005950 100644
--- a/gstreamer-base/src/auto/aggregator.rs
+++ b/gstreamer-base/src/auto/aggregator.rs
@@ -33,7 +33,7 @@ pub const NONE_AGGREGATOR: Option<&Aggregator> = None;
 pub trait AggregatorExt: 'static {
     //#[cfg(any(feature = "v1_14", feature = "dox"))]
     //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams);
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams);
 
     #[cfg(any(feature = "v1_14", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
@@ -121,7 +121,7 @@ pub trait AggregatorExt: 'static {
 impl<O: IsA<Aggregator>> AggregatorExt for O {
     //#[cfg(any(feature = "v1_14", feature = "dox"))]
     //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams) {
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams) {
     //    unsafe { TODO: call ffi:gst_aggregator_get_allocator() }
     //}
 
diff --git a/gstreamer-base/src/auto/base_src.rs b/gstreamer-base/src/auto/base_src.rs
index d0dd3ceed..1ff8f64e5 100644
--- a/gstreamer-base/src/auto/base_src.rs
+++ b/gstreamer-base/src/auto/base_src.rs
@@ -25,7 +25,7 @@ unsafe impl Sync for BaseSrc {}
 pub const NONE_BASE_SRC: Option<&BaseSrc> = None;
 
 pub trait BaseSrcExt: 'static {
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams);
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams);
 
     fn get_blocksize(&self) -> u32;
 
@@ -90,7 +90,7 @@ pub trait BaseSrcExt: 'static {
 }
 
 impl<O: IsA<BaseSrc>> BaseSrcExt for O {
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams) {
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams) {
     //    unsafe { TODO: call ffi:gst_base_src_get_allocator() }
     //}
 
diff --git a/gstreamer-base/src/auto/base_transform.rs b/gstreamer-base/src/auto/base_transform.rs
index 22bf0d58f..9f81f6c07 100644
--- a/gstreamer-base/src/auto/base_transform.rs
+++ b/gstreamer-base/src/auto/base_transform.rs
@@ -25,7 +25,7 @@ unsafe impl Sync for BaseTransform {}
 pub const NONE_BASE_TRANSFORM: Option<&BaseTransform> = None;
 
 pub trait BaseTransformExt: 'static {
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams);
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams);
 
     fn get_buffer_pool(&self) -> Option<gst::BufferPool>;
 
@@ -68,7 +68,7 @@ pub trait BaseTransformExt: 'static {
 }
 
 impl<O: IsA<BaseTransform>> BaseTransformExt for O {
-    //fn get_allocator(&self, allocator: /*Ignored*/gst::Allocator, params: /*Ignored*/gst::AllocationParams) {
+    //fn get_allocator(&self, allocator: /*Ignored*/Option<gst::Allocator>, params: /*Ignored*/gst::AllocationParams) {
     //    unsafe { TODO: call ffi:gst_base_transform_get_allocator() }
     //}
 
diff --git a/gstreamer-player/src/auto/player.rs b/gstreamer-player/src/auto/player.rs
index 8b48fbd26..169caf487 100644
--- a/gstreamer-player/src/auto/player.rs
+++ b/gstreamer-player/src/auto/player.rs
@@ -45,7 +45,7 @@ impl Player {
 
     pub fn get_current_subtitle_track(&self) -> Option<PlayerSubtitleInfo> {
         unsafe {
-            from_glib_none(ffi::gst_player_get_current_subtitle_track(
+            from_glib_full(ffi::gst_player_get_current_subtitle_track(
                 self.to_glib_none().0,
             ))
         }
diff --git a/gstreamer-video/sys/src/lib.rs b/gstreamer-video/sys/src/lib.rs
index f2fff5d59..2e5278a90 100644
--- a/gstreamer-video/sys/src/lib.rs
+++ b/gstreamer-video/sys/src/lib.rs
@@ -2866,13 +2866,13 @@ extern "C" {
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
     pub fn gst_video_meta_get_plane_height(
         meta: *mut GstVideoMeta,
-        plane_height: *mut c_uint,
+        plane_height: *mut [c_uint; 4],
     ) -> gboolean;
     #[cfg(any(feature = "v1_18", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
     pub fn gst_video_meta_get_plane_size(
         meta: *mut GstVideoMeta,
-        plane_size: *mut size_t,
+        plane_size: *mut [size_t; 4],
     ) -> gboolean;
     pub fn gst_video_meta_map(
         meta: *mut GstVideoMeta,
@@ -3461,7 +3461,7 @@ extern "C" {
     pub fn gst_video_decoder_set_interlaced_output_state(
         decoder: *mut GstVideoDecoder,
         fmt: GstVideoFormat,
-        mode: GstVideoInterlaceMode,
+        interlace_mode: GstVideoInterlaceMode,
         width: c_uint,
         height: c_uint,
         reference: *mut GstVideoCodecState,
diff --git a/gstreamer/src/auto/date_time.rs b/gstreamer/src/auto/date_time.rs
index 4875b7d30..7a4cdb704 100644
--- a/gstreamer/src/auto/date_time.rs
+++ b/gstreamer/src/auto/date_time.rs
@@ -52,14 +52,14 @@ impl DateTime {
         }
     }
 
-    pub fn from_unix_epoch_local_time(secs: i64) -> DateTime {
+    pub fn from_unix_epoch_local_time(secs: i64) -> Option<DateTime> {
         assert_initialized_main_thread!();
         unsafe { from_glib_full(ffi::gst_date_time_new_from_unix_epoch_local_time(secs)) }
     }
 
     #[cfg(any(feature = "v1_18", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
-    pub fn from_unix_epoch_local_time_usecs(usecs: i64) -> DateTime {
+    pub fn from_unix_epoch_local_time_usecs(usecs: i64) -> Option<DateTime> {
         assert_initialized_main_thread!();
         unsafe {
             from_glib_full(ffi::gst_date_time_new_from_unix_epoch_local_time_usecs(
@@ -68,14 +68,14 @@ impl DateTime {
         }
     }
 
-    pub fn from_unix_epoch_utc(secs: i64) -> DateTime {
+    pub fn from_unix_epoch_utc(secs: i64) -> Option<DateTime> {
         assert_initialized_main_thread!();
         unsafe { from_glib_full(ffi::gst_date_time_new_from_unix_epoch_utc(secs)) }
     }
 
     #[cfg(any(feature = "v1_18", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
-    pub fn from_unix_epoch_utc_usecs(usecs: i64) -> DateTime {
+    pub fn from_unix_epoch_utc_usecs(usecs: i64) -> Option<DateTime> {
         assert_initialized_main_thread!();
         unsafe { from_glib_full(ffi::gst_date_time_new_from_unix_epoch_utc_usecs(usecs)) }
     }
@@ -87,7 +87,7 @@ impl DateTime {
         hour: i32,
         minute: i32,
         seconds: f64,
-    ) -> DateTime {
+    ) -> Option<DateTime> {
         assert_initialized_main_thread!();
         unsafe {
             from_glib_full(ffi::gst_date_time_new_local_time(
diff --git a/gstreamer/src/auto/pad_template.rs b/gstreamer/src/auto/pad_template.rs
index fa5cf2bbf..979526256 100644
--- a/gstreamer/src/auto/pad_template.rs
+++ b/gstreamer/src/auto/pad_template.rs
@@ -91,7 +91,7 @@ impl PadTemplate {
         unsafe {
             ffi::gst_pad_template_set_documentation_caps(
                 self.to_glib_none().0,
-                caps.to_glib_none().0,
+                caps.to_glib_full(),
             );
         }
     }