diff --git a/gstreamer-app/Gir.toml b/gstreamer-app/Gir.toml
index 70ef176bb..c97ec5b00 100644
--- a/gstreamer-app/Gir.toml
+++ b/gstreamer-app/Gir.toml
@@ -26,6 +26,7 @@ manual = [
     "Gst.Element",
     "Gst.URIHandler",
     "Gst.Format",
+    "Gst.MiniObject",
 ]
 
 [[object]]
@@ -52,6 +53,11 @@ final_type = true
     # Action signal
     ignore = true
 
+    [[object.signal]]
+    name = "pull-object"
+    # Action signal
+    ignore = true
+
     [[object.signal]]
     name = "try-pull-sample"
     # Action signal
@@ -62,6 +68,11 @@ final_type = true
     # Action signal
     ignore = true
 
+    [[object.signal]]
+    name = "try-pull-object"
+    # Action signal
+    ignore = true
+
     [[object.property]]
     name = "emit-signals"
     # Use callbacks instead
@@ -92,6 +103,11 @@ final_type = true
     # Use callbacks instead
     ignore = true
 
+    [[object.signal]]
+    name = "new-serialized-event"
+    # Use callbacks instead
+    ignore = true
+
     [[object.function]]
     name = "set_caps"
         [[object.function.parameter]]
@@ -108,6 +124,11 @@ final_type = true
         [object.function.return]
         nullable_return_is_error = "Failed to pull sample"
 
+    [[object.function]]
+    name = "pull_object"
+        [object.function.return]
+        nullable_return_is_error = "Failed to pull object"
+
 [[object]]
 name = "GstApp.AppSrc"
 status = "generate"
diff --git a/gstreamer-app/src/app_sink.rs b/gstreamer-app/src/app_sink.rs
index e5db64901..3dec94682 100644
--- a/gstreamer-app/src/app_sink.rs
+++ b/gstreamer-app/src/app_sink.rs
@@ -33,6 +33,7 @@ pub struct AppSinkCallbacks {
             Box<dyn FnMut(&AppSink) -> Result<gst::FlowSuccess, gst::FlowError> + Send + 'static>,
         >,
     >,
+    new_event: Option<RefCell<Box<dyn FnMut(&AppSink) -> bool + Send + 'static>>>,
     panicked: AtomicBool,
     callbacks: ffi::GstAppSinkCallbacks,
 }
@@ -47,6 +48,7 @@ impl AppSinkCallbacks {
             eos: None,
             new_preroll: None,
             new_sample: None,
+            new_event: None,
         }
     }
 }
@@ -64,6 +66,7 @@ pub struct AppSinkCallbacksBuilder {
             Box<dyn FnMut(&AppSink) -> Result<gst::FlowSuccess, gst::FlowError> + Send + 'static>,
         >,
     >,
+    new_event: Option<RefCell<Box<dyn FnMut(&AppSink) -> bool + Send + 'static>>>,
 }
 
 impl AppSinkCallbacksBuilder {
@@ -98,15 +101,26 @@ impl AppSinkCallbacksBuilder {
         }
     }
 
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    pub fn new_event<F: FnMut(&AppSink) -> bool + Send + 'static>(self, new_event: F) -> Self {
+        Self {
+            new_event: Some(RefCell::new(Box::new(new_event))),
+            ..self
+        }
+    }
+
     pub fn build(self) -> AppSinkCallbacks {
         let have_eos = self.eos.is_some();
         let have_new_preroll = self.new_preroll.is_some();
         let have_new_sample = self.new_sample.is_some();
+        let have_new_event = self.new_event.is_some();
 
         AppSinkCallbacks {
             eos: self.eos,
             new_preroll: self.new_preroll,
             new_sample: self.new_sample,
+            new_event: self.new_event,
             panicked: AtomicBool::new(false),
             callbacks: ffi::GstAppSinkCallbacks {
                 eos: if have_eos { Some(trampoline_eos) } else { None },
@@ -120,12 +134,12 @@ impl AppSinkCallbacksBuilder {
                 } else {
                     None
                 },
-                _gst_reserved: [
-                    ptr::null_mut(),
-                    ptr::null_mut(),
-                    ptr::null_mut(),
-                    ptr::null_mut(),
-                ],
+                new_event: if have_new_event {
+                    Some(trampoline_new_event)
+                } else {
+                    None
+                },
+                _gst_reserved: [ptr::null_mut(), ptr::null_mut(), ptr::null_mut()],
             },
         }
     }
@@ -232,6 +246,39 @@ unsafe extern "C" fn trampoline_new_sample(
     ret.into_glib()
 }
 
+unsafe extern "C" fn trampoline_new_event(
+    appsink: *mut ffi::GstAppSink,
+    callbacks: gpointer,
+) -> glib::ffi::gboolean {
+    let callbacks = &*(callbacks as *const AppSinkCallbacks);
+    let element: Borrowed<AppSink> = from_glib_borrow(appsink);
+
+    if callbacks.panicked.load(Ordering::Relaxed) {
+        let element: Borrowed<AppSink> = from_glib_borrow(appsink);
+        gst::element_error!(element, gst::LibraryError::Failed, ["Panicked"]);
+        return false.into_glib();
+    }
+
+    let ret = if let Some(ref new_event) = callbacks.new_event {
+        let result = panic::catch_unwind(panic::AssertUnwindSafe(|| {
+            (&mut *new_event.borrow_mut())(&element)
+        }));
+        match result {
+            Ok(result) => result,
+            Err(err) => {
+                callbacks.panicked.store(true, Ordering::Relaxed);
+                post_panic_error_message(&element, &err);
+
+                false
+            }
+        }
+    } else {
+        false
+    };
+
+    ret.into_glib()
+}
+
 unsafe extern "C" fn destroy_callbacks(ptr: gpointer) {
     Box::<AppSinkCallbacks>::from_raw(ptr as *mut _);
 }
diff --git a/gstreamer-app/src/auto/app_sink.rs b/gstreamer-app/src/auto/app_sink.rs
index 8bc0959e9..59f6e65c0 100644
--- a/gstreamer-app/src/auto/app_sink.rs
+++ b/gstreamer-app/src/auto/app_sink.rs
@@ -3,9 +3,6 @@
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
 // DO NOT EDIT
 
-#[cfg(any(feature = "v1_20", feature = "dox"))]
-#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-use glib::object::ObjectExt;
 use glib::object::ObjectType as ObjectType_;
 use glib::signal::connect_raw;
 use glib::signal::SignalHandlerId;
@@ -66,12 +63,15 @@ impl AppSink {
         unsafe { from_glib(ffi::gst_app_sink_is_eos(self.to_glib_none().0)) }
     }
 
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_app_sink_pull_object")]
-    //pub fn pull_object(&self) -> /*Ignored*/Option<gst::MiniObject> {
-    //    unsafe { TODO: call ffi:gst_app_sink_pull_object() }
-    //}
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_app_sink_pull_object")]
+    pub fn pull_object(&self) -> Result<gst::MiniObject, glib::BoolError> {
+        unsafe {
+            Option::<_>::from_glib_full(ffi::gst_app_sink_pull_object(self.to_glib_none().0))
+                .ok_or_else(|| glib::bool_error!("Failed to pull object"))
+        }
+    }
 
     #[doc(alias = "gst_app_sink_pull_preroll")]
     pub fn pull_preroll(&self) -> Result<gst::Sample, glib::BoolError> {
@@ -134,12 +134,20 @@ impl AppSink {
         }
     }
 
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_app_sink_try_pull_object")]
-    //pub fn try_pull_object(&self, timeout: impl Into<Option<gst::ClockTime>>) -> /*Ignored*/Option<gst::MiniObject> {
-    //    unsafe { TODO: call ffi:gst_app_sink_try_pull_object() }
-    //}
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_app_sink_try_pull_object")]
+    pub fn try_pull_object(
+        &self,
+        timeout: impl Into<Option<gst::ClockTime>>,
+    ) -> Option<gst::MiniObject> {
+        unsafe {
+            from_glib_full(ffi::gst_app_sink_try_pull_object(
+                self.to_glib_none().0,
+                timeout.into().into_glib(),
+            ))
+        }
+    }
 
     #[cfg(any(feature = "v1_10", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
@@ -197,42 +205,6 @@ impl AppSink {
         }
     }
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "new-serialized-event")]
-    pub fn connect_new_serialized_event<F: Fn(&Self) -> bool + Send + Sync + 'static>(
-        &self,
-        f: F,
-    ) -> SignalHandlerId {
-        unsafe extern "C" fn new_serialized_event_trampoline<
-            F: Fn(&AppSink) -> bool + Send + Sync + 'static,
-        >(
-            this: *mut ffi::GstAppSink,
-            f: glib::ffi::gpointer,
-        ) -> glib::ffi::gboolean {
-            let f: &F = &*(f as *const F);
-            f(&from_glib_borrow(this)).into_glib()
-        }
-        unsafe {
-            let f: Box_<F> = Box_::new(f);
-            connect_raw(
-                self.as_ptr() as *mut _,
-                b"new-serialized-event\0".as_ptr() as *const _,
-                Some(transmute::<_, unsafe extern "C" fn()>(
-                    new_serialized_event_trampoline::<F> as *const (),
-                )),
-                Box_::into_raw(f),
-            )
-        }
-    }
-
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "try-pull-object")]
-    //pub fn connect_try_pull_object<Unsupported or ignored types>(&self, f: F) -> SignalHandlerId {
-    //    Ignored return value Gst.MiniObject
-    //}
-
     #[doc(alias = "buffer-list")]
     pub fn connect_buffer_list_notify<F: Fn(&Self) + Send + Sync + 'static>(
         &self,
diff --git a/gstreamer-pbutils/Gir.toml b/gstreamer-pbutils/Gir.toml
index 1bece0698..676c678d3 100644
--- a/gstreamer-pbutils/Gir.toml
+++ b/gstreamer-pbutils/Gir.toml
@@ -17,6 +17,7 @@ external_libraries = [
 
 generate = [
     "GstPbutils.DiscovererResult",
+    "GstPbutils.PbUtilsCapsDescriptionFlags",
 ]
 
 manual = [
diff --git a/gstreamer-pbutils/src/auto/flags.rs b/gstreamer-pbutils/src/auto/flags.rs
index 1b805748f..c89ad5b51 100644
--- a/gstreamer-pbutils/src/auto/flags.rs
+++ b/gstreamer-pbutils/src/auto/flags.rs
@@ -71,3 +71,87 @@ impl ToValue for DiscovererSerializeFlags {
         Self::static_type()
     }
 }
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+bitflags! {
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "GstPbUtilsCapsDescriptionFlags")]
+    pub struct PbUtilsCapsDescriptionFlags: u32 {
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_CONTAINER")]
+        const CONTAINER = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_CONTAINER as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_AUDIO")]
+        const AUDIO = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_AUDIO as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_VIDEO")]
+        const VIDEO = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_VIDEO as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_IMAGE")]
+        const IMAGE = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_IMAGE as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_SUBTITLE")]
+        const SUBTITLE = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_SUBTITLE as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_TAG")]
+        const TAG = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_TAG as u32;
+        #[doc(alias = "GST_PBUTILS_CAPS_DESCRIPTION_FLAG_GENERIC")]
+        const GENERIC = ffi::GST_PBUTILS_CAPS_DESCRIPTION_FLAG_GENERIC as u32;
+    }
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+#[doc(hidden)]
+impl IntoGlib for PbUtilsCapsDescriptionFlags {
+    type GlibType = ffi::GstPbUtilsCapsDescriptionFlags;
+
+    fn into_glib(self) -> ffi::GstPbUtilsCapsDescriptionFlags {
+        self.bits()
+    }
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+#[doc(hidden)]
+impl FromGlib<ffi::GstPbUtilsCapsDescriptionFlags> for PbUtilsCapsDescriptionFlags {
+    unsafe fn from_glib(value: ffi::GstPbUtilsCapsDescriptionFlags) -> Self {
+        skip_assert_initialized!();
+        Self::from_bits_truncate(value)
+    }
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+impl StaticType for PbUtilsCapsDescriptionFlags {
+    fn static_type() -> Type {
+        unsafe { from_glib(ffi::gst_pb_utils_caps_description_flags_get_type()) }
+    }
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+impl glib::value::ValueType for PbUtilsCapsDescriptionFlags {
+    type Type = Self;
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+unsafe impl<'a> FromValue<'a> for PbUtilsCapsDescriptionFlags {
+    type Checker = glib::value::GenericValueTypeChecker<Self>;
+
+    unsafe fn from_value(value: &'a glib::Value) -> Self {
+        skip_assert_initialized!();
+        from_glib(glib::gobject_ffi::g_value_get_flags(value.to_glib_none().0))
+    }
+}
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+impl ToValue for PbUtilsCapsDescriptionFlags {
+    fn to_value(&self) -> glib::Value {
+        let mut value = glib::Value::for_value_type::<Self>();
+        unsafe {
+            glib::gobject_ffi::g_value_set_flags(value.to_glib_none_mut().0, self.into_glib());
+        }
+        value
+    }
+
+    fn value_type(&self) -> glib::Type {
+        Self::static_type()
+    }
+}
diff --git a/gstreamer-pbutils/src/auto/functions.rs b/gstreamer-pbutils/src/auto/functions.rs
index d26bb5e2c..ef4012021 100644
--- a/gstreamer-pbutils/src/auto/functions.rs
+++ b/gstreamer-pbutils/src/auto/functions.rs
@@ -4,6 +4,9 @@
 // DO NOT EDIT
 
 use crate::EncodingTarget;
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+use crate::PbUtilsCapsDescriptionFlags;
 use glib::translate::*;
 use std::mem;
 
@@ -23,12 +26,17 @@ pub fn encoding_list_available_categories() -> Vec<glib::GString> {
     unsafe { FromGlibPtrContainer::from_glib_full(ffi::gst_encoding_list_available_categories()) }
 }
 
-//#[cfg(any(feature = "v1_20", feature = "dox"))]
-//#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-//#[doc(alias = "gst_pb_utils_get_caps_description_flags")]
-//pub fn pb_utils_get_caps_description_flags(caps: &gst::Caps) -> /*Ignored*/PbUtilsCapsDescriptionFlags {
-//    unsafe { TODO: call ffi:gst_pb_utils_get_caps_description_flags() }
-//}
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+#[doc(alias = "gst_pb_utils_get_caps_description_flags")]
+pub fn pb_utils_get_caps_description_flags(caps: &gst::Caps) -> PbUtilsCapsDescriptionFlags {
+    assert_initialized_main_thread!();
+    unsafe {
+        from_glib(ffi::gst_pb_utils_get_caps_description_flags(
+            caps.to_glib_none().0,
+        ))
+    }
+}
 
 #[doc(alias = "gst_pb_utils_get_element_description")]
 pub fn pb_utils_get_element_description(
diff --git a/gstreamer-pbutils/src/auto/mod.rs b/gstreamer-pbutils/src/auto/mod.rs
index 36013de50..26e227276 100644
--- a/gstreamer-pbutils/src/auto/mod.rs
+++ b/gstreamer-pbutils/src/auto/mod.rs
@@ -44,6 +44,9 @@ pub use self::enums::DiscovererResult;
 
 mod flags;
 pub use self::flags::DiscovererSerializeFlags;
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+pub use self::flags::PbUtilsCapsDescriptionFlags;
 
 pub mod functions;
 
diff --git a/gstreamer-rtp/src/rtp_buffer.rs b/gstreamer-rtp/src/rtp_buffer.rs
index c870c8b13..5ac8255e7 100644
--- a/gstreamer-rtp/src/rtp_buffer.rs
+++ b/gstreamer-rtp/src/rtp_buffer.rs
@@ -175,6 +175,15 @@ impl<'a> RTPBuffer<'a, Writable> {
             }
         }
     }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_rtp_buffer_remove_extension_data")]
+    pub fn remove_extension_data(&mut self) {
+        unsafe {
+            ffi::gst_rtp_buffer_remove_extension_data(&mut self.rtp_buffer);
+        }
+    }
 }
 
 impl<'a, T> RTPBuffer<'a, T> {
diff --git a/gstreamer-rtp/src/rtp_header_extension.rs b/gstreamer-rtp/src/rtp_header_extension.rs
index 12ebd8ba1..4d0d135f6 100644
--- a/gstreamer-rtp/src/rtp_header_extension.rs
+++ b/gstreamer-rtp/src/rtp_header_extension.rs
@@ -19,7 +19,7 @@ pub trait RTPHeaderExtensionExtManual: 'static {
         write_flags: RTPHeaderExtensionFlags,
         output: &mut gst::BufferRef,
         data: &mut [u8],
-    ) -> usize;
+    ) -> Result<usize, glib::BoolError>;
 }
 
 impl<O: IsA<RTPHeaderExtension>> RTPHeaderExtensionExtManual for O {
@@ -47,17 +47,23 @@ impl<O: IsA<RTPHeaderExtension>> RTPHeaderExtensionExtManual for O {
         write_flags: RTPHeaderExtensionFlags,
         output: &mut gst::BufferRef,
         data: &mut [u8],
-    ) -> usize {
+    ) -> Result<usize, glib::BoolError> {
         let size = data.len() as usize;
         unsafe {
-            ffi::gst_rtp_header_extension_write(
+            let res = ffi::gst_rtp_header_extension_write(
                 self.as_ref().to_glib_none().0,
                 input_meta.to_glib_none().0,
                 write_flags.into_glib(),
                 output.as_mut_ptr(),
                 data.to_glib_none().0,
                 size,
-            )
+            );
+
+            if res < 0 {
+                Err(glib::bool_error!("Failed to write header extension"))
+            } else {
+                Ok(res as usize)
+            }
         }
     }
 }
diff --git a/gstreamer-video/Gir.toml b/gstreamer-video/Gir.toml
index 2532a4ec5..86ef48d81 100644
--- a/gstreamer-video/Gir.toml
+++ b/gstreamer-video/Gir.toml
@@ -156,6 +156,26 @@ manual_traits = ["VideoDecoderExtManual"]
     name = "drop_frame"
     manual = true
 
+    [[object.function]]
+    name = "finish_subframe"
+    manual = true
+
+    [[object.function]]
+    name = "drop_subframe"
+    manual = true
+
+    [[object.function]]
+    name = "have_last_subframe"
+    manual = true
+
+    [[object.function]]
+    name = "get_processed_subframe_index"
+    manual = true
+
+    [[object.function]]
+    name = "get_input_subframe_index"
+    manual = true
+
     [[object.function]]
     name = "set_latency"
     manual = true
diff --git a/gstreamer-video/src/auto/video_decoder.rs b/gstreamer-video/src/auto/video_decoder.rs
index c79068e0c..4fbf66ba2 100644
--- a/gstreamer-video/src/auto/video_decoder.rs
+++ b/gstreamer-video/src/auto/video_decoder.rs
@@ -52,16 +52,6 @@ pub trait VideoDecoderExt: 'static {
     #[doc(alias = "gst_video_decoder_allocate_output_buffer")]
     fn allocate_output_buffer(&self) -> Result<gst::Buffer, glib::BoolError>;
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_video_decoder_drop_subframe")]
-    fn drop_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn;
-
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_video_decoder_finish_subframe")]
-    fn finish_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn;
-
     #[doc(alias = "gst_video_decoder_get_buffer_pool")]
     #[doc(alias = "get_buffer_pool")]
     fn buffer_pool(&self) -> Option<gst::BufferPool>;
@@ -70,12 +60,6 @@ pub trait VideoDecoderExt: 'static {
     #[doc(alias = "get_estimate_rate")]
     fn estimate_rate(&self) -> i32;
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_video_decoder_get_input_subframe_index")]
-    #[doc(alias = "get_input_subframe_index")]
-    fn input_subframe_index(&self, frame: &VideoCodecFrame) -> u32;
-
     #[doc(alias = "gst_video_decoder_get_max_decode_time")]
     #[doc(alias = "get_max_decode_time")]
     fn max_decode_time(&self, frame: &VideoCodecFrame) -> gst::ClockTimeDiff;
@@ -102,12 +86,6 @@ pub trait VideoDecoderExt: 'static {
     #[doc(alias = "get_pending_frame_size")]
     fn pending_frame_size(&self) -> usize;
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_video_decoder_get_processed_subframe_index")]
-    #[doc(alias = "get_processed_subframe_index")]
-    fn processed_subframe_index(&self, frame: &VideoCodecFrame) -> u32;
-
     #[doc(alias = "gst_video_decoder_get_qos_proportion")]
     #[doc(alias = "get_qos_proportion")]
     fn qos_proportion(&self) -> f64;
@@ -121,11 +99,6 @@ pub trait VideoDecoderExt: 'static {
     #[doc(alias = "gst_video_decoder_have_frame")]
     fn have_frame(&self) -> gst::FlowReturn;
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_video_decoder_have_last_subframe")]
-    fn have_last_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn;
-
     #[doc(alias = "gst_video_decoder_merge_tags")]
     fn merge_tags(&self, tags: Option<&gst::TagList>, mode: gst::TagMergeMode);
 
@@ -236,28 +209,6 @@ impl<O: IsA<VideoDecoder>> VideoDecoderExt for O {
         }
     }
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    fn drop_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn {
-        unsafe {
-            from_glib(ffi::gst_video_decoder_drop_subframe(
-                self.as_ref().to_glib_none().0,
-                frame.to_glib_full(),
-            ))
-        }
-    }
-
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    fn finish_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn {
-        unsafe {
-            from_glib(ffi::gst_video_decoder_finish_subframe(
-                self.as_ref().to_glib_none().0,
-                frame.to_glib_full(),
-            ))
-        }
-    }
-
     fn buffer_pool(&self) -> Option<gst::BufferPool> {
         unsafe {
             from_glib_full(ffi::gst_video_decoder_get_buffer_pool(
@@ -270,17 +221,6 @@ impl<O: IsA<VideoDecoder>> VideoDecoderExt for O {
         unsafe { ffi::gst_video_decoder_get_estimate_rate(self.as_ref().to_glib_none().0) }
     }
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    fn input_subframe_index(&self, frame: &VideoCodecFrame) -> u32 {
-        unsafe {
-            ffi::gst_video_decoder_get_input_subframe_index(
-                self.as_ref().to_glib_none().0,
-                frame.to_glib_none().0,
-            )
-        }
-    }
-
     fn max_decode_time(&self, frame: &VideoCodecFrame) -> gst::ClockTimeDiff {
         unsafe {
             ffi::gst_video_decoder_get_max_decode_time(
@@ -324,17 +264,6 @@ impl<O: IsA<VideoDecoder>> VideoDecoderExt for O {
         unsafe { ffi::gst_video_decoder_get_pending_frame_size(self.as_ref().to_glib_none().0) }
     }
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    fn processed_subframe_index(&self, frame: &VideoCodecFrame) -> u32 {
-        unsafe {
-            ffi::gst_video_decoder_get_processed_subframe_index(
-                self.as_ref().to_glib_none().0,
-                frame.to_glib_none().0,
-            )
-        }
-    }
-
     fn qos_proportion(&self) -> f64 {
         unsafe { ffi::gst_video_decoder_get_qos_proportion(self.as_ref().to_glib_none().0) }
     }
@@ -357,17 +286,6 @@ impl<O: IsA<VideoDecoder>> VideoDecoderExt for O {
         }
     }
 
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    fn have_last_subframe(&self, frame: &VideoCodecFrame) -> gst::FlowReturn {
-        unsafe {
-            from_glib(ffi::gst_video_decoder_have_last_subframe(
-                self.as_ref().to_glib_none().0,
-                frame.to_glib_none().0,
-            ))
-        }
-    }
-
     fn merge_tags(&self, tags: Option<&gst::TagList>, mode: gst::TagMergeMode) {
         unsafe {
             ffi::gst_video_decoder_merge_tags(
diff --git a/gstreamer-video/src/video_codec_frame.rs b/gstreamer-video/src/video_codec_frame.rs
index a76334665..69ae53d7a 100644
--- a/gstreamer-video/src/video_codec_frame.rs
+++ b/gstreamer-video/src/video_codec_frame.rs
@@ -22,7 +22,7 @@ impl<'a> ::glib::translate::ToGlibPtr<'a, *mut ffi::GstVideoCodecFrame> for Vide
     }
 
     fn to_glib_full(&self) -> *mut ffi::GstVideoCodecFrame {
-        unimplemented!()
+        unsafe { ffi::gst_video_codec_frame_ref(self.frame) }
     }
 }
 
@@ -192,6 +192,20 @@ impl<'a> VideoCodecFrame<'a> {
         unsafe { from_glib((*self.to_glib_none().0).deadline) }
     }
 
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_get_processed_subframe_index")]
+    pub fn subframes_processed(&self) -> u32 {
+        unsafe { (*self.to_glib_none().0).abidata.ABI.subframes_processed }
+    }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_get_input_subframe_index")]
+    pub fn num_subframes(&self) -> u32 {
+        unsafe { (*self.to_glib_none().0).abidata.ABI.num_subframes }
+    }
+
     #[doc(hidden)]
     pub unsafe fn into_ptr(self) -> *mut ffi::GstVideoCodecFrame {
         let stream_lock = self.element.stream_lock();
diff --git a/gstreamer-video/src/video_decoder.rs b/gstreamer-video/src/video_decoder.rs
index d9cf0be89..39f398ecd 100644
--- a/gstreamer-video/src/video_decoder.rs
+++ b/gstreamer-video/src/video_decoder.rs
@@ -50,6 +50,22 @@ pub trait VideoDecoderExtManual: 'static {
     fn release_frame(&self, frame: VideoCodecFrame);
     fn drop_frame(&self, frame: VideoCodecFrame) -> Result<gst::FlowSuccess, gst::FlowError>;
 
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_finish_subframe")]
+    fn finish_subframe(&self, frame: &VideoCodecFrame) -> Result<gst::FlowSuccess, gst::FlowError>;
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_drop_subframe")]
+    fn drop_subframe(&self, frame: &VideoCodecFrame) -> Result<gst::FlowSuccess, gst::FlowError>;
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_have_last_subframe")]
+    fn have_last_subframe(
+        &self,
+        frame: &VideoCodecFrame,
+    ) -> Result<gst::FlowSuccess, gst::FlowError>;
+
     #[doc(alias = "get_latency")]
     fn latency(&self) -> (gst::ClockTime, Option<gst::ClockTime>);
     fn set_latency(
@@ -352,6 +368,45 @@ impl<O: IsA<VideoDecoder>> VideoDecoderExtManual for O {
             ))
         }
     }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_finish_subframe")]
+    fn finish_subframe(&self, frame: &VideoCodecFrame) -> Result<gst::FlowSuccess, gst::FlowError> {
+        unsafe {
+            try_from_glib(ffi::gst_video_decoder_finish_subframe(
+                self.as_ref().to_glib_none().0,
+                frame.to_glib_full(),
+            ))
+        }
+    }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_drop_subframe")]
+    fn drop_subframe(&self, frame: &VideoCodecFrame) -> Result<gst::FlowSuccess, gst::FlowError> {
+        unsafe {
+            try_from_glib(ffi::gst_video_decoder_drop_subframe(
+                self.as_ref().to_glib_none().0,
+                frame.to_glib_full(),
+            ))
+        }
+    }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_video_decoder_have_last_subframe")]
+    fn have_last_subframe(
+        &self,
+        frame: &VideoCodecFrame,
+    ) -> Result<gst::FlowSuccess, gst::FlowError> {
+        unsafe {
+            try_from_glib(ffi::gst_video_decoder_have_last_subframe(
+                self.as_ref().to_glib_none().0,
+                frame.to_glib_none().0,
+            ))
+        }
+    }
 }
 
 impl HasStreamLock for VideoDecoder {
diff --git a/gstreamer-webrtc/Gir.toml b/gstreamer-webrtc/Gir.toml
index a678ec7f5..3c97627cd 100644
--- a/gstreamer-webrtc/Gir.toml
+++ b/gstreamer-webrtc/Gir.toml
@@ -99,3 +99,8 @@ status = "generate"
     name = "to_string"
         [object.function.return]
         nullable = false
+
+[[object]]
+name = "GstWebRTC.WebRTCSCTPTransport"
+status = "generate"
+version = "1.20"
diff --git a/gstreamer-webrtc/src/auto/mod.rs b/gstreamer-webrtc/src/auto/mod.rs
index 8b25da7a7..38c8fc7e6 100644
--- a/gstreamer-webrtc/src/auto/mod.rs
+++ b/gstreamer-webrtc/src/auto/mod.rs
@@ -25,6 +25,13 @@ pub use self::web_rtcrtp_sender::WebRTCRTPSender;
 mod web_rtcrtp_transceiver;
 pub use self::web_rtcrtp_transceiver::WebRTCRTPTransceiver;
 
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+mod web_rtcsctp_transport;
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+pub use self::web_rtcsctp_transport::WebRTCSCTPTransport;
+
 mod web_rtc_session_description;
 pub use self::web_rtc_session_description::WebRTCSessionDescription;
 
diff --git a/gstreamer-webrtc/src/auto/web_rtcsctp_transport.rs b/gstreamer-webrtc/src/auto/web_rtcsctp_transport.rs
new file mode 100644
index 000000000..9c5de11db
--- /dev/null
+++ b/gstreamer-webrtc/src/auto/web_rtcsctp_transport.rs
@@ -0,0 +1,200 @@
+// This file was generated by gir (https://github.com/gtk-rs/gir)
+// from gir-files (https://github.com/gtk-rs/gir-files)
+// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
+// DO NOT EDIT
+
+use crate::WebRTCDTLSTransport;
+use crate::WebRTCSCTPTransportState;
+use glib::object::ObjectType as ObjectType_;
+use glib::signal::connect_raw;
+use glib::signal::SignalHandlerId;
+use glib::translate::*;
+use glib::StaticType;
+use std::boxed::Box as Box_;
+use std::mem::transmute;
+
+glib::wrapper! {
+    #[doc(alias = "GstWebRTCSCTPTransport")]
+    pub struct WebRTCSCTPTransport(Object<ffi::GstWebRTCSCTPTransport, ffi::GstWebRTCSCTPTransportClass>);
+
+    match fn {
+        type_ => || ffi::gst_webrtc_sctp_transport_get_type(),
+    }
+}
+
+impl WebRTCSCTPTransport {
+    #[doc(alias = "max-channels")]
+    pub fn max_channels(&self) -> u32 {
+        unsafe {
+            let mut value = glib::Value::from_type(<u32 as StaticType>::static_type());
+            glib::gobject_ffi::g_object_get_property(
+                self.as_ptr() as *mut glib::gobject_ffi::GObject,
+                b"max-channels\0".as_ptr() as *const _,
+                value.to_glib_none_mut().0,
+            );
+            value
+                .get()
+                .expect("Return Value for property `max-channels` getter")
+        }
+    }
+
+    #[doc(alias = "max-message-size")]
+    pub fn max_message_size(&self) -> u64 {
+        unsafe {
+            let mut value = glib::Value::from_type(<u64 as StaticType>::static_type());
+            glib::gobject_ffi::g_object_get_property(
+                self.as_ptr() as *mut glib::gobject_ffi::GObject,
+                b"max-message-size\0".as_ptr() as *const _,
+                value.to_glib_none_mut().0,
+            );
+            value
+                .get()
+                .expect("Return Value for property `max-message-size` getter")
+        }
+    }
+
+    pub fn state(&self) -> WebRTCSCTPTransportState {
+        unsafe {
+            let mut value =
+                glib::Value::from_type(<WebRTCSCTPTransportState as StaticType>::static_type());
+            glib::gobject_ffi::g_object_get_property(
+                self.as_ptr() as *mut glib::gobject_ffi::GObject,
+                b"state\0".as_ptr() as *const _,
+                value.to_glib_none_mut().0,
+            );
+            value
+                .get()
+                .expect("Return Value for property `state` getter")
+        }
+    }
+
+    pub fn transport(&self) -> Option<WebRTCDTLSTransport> {
+        unsafe {
+            let mut value =
+                glib::Value::from_type(<WebRTCDTLSTransport as StaticType>::static_type());
+            glib::gobject_ffi::g_object_get_property(
+                self.as_ptr() as *mut glib::gobject_ffi::GObject,
+                b"transport\0".as_ptr() as *const _,
+                value.to_glib_none_mut().0,
+            );
+            value
+                .get()
+                .expect("Return Value for property `transport` getter")
+        }
+    }
+
+    #[doc(alias = "max-channels")]
+    pub fn connect_max_channels_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_max_channels_trampoline<
+            F: Fn(&WebRTCSCTPTransport) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstWebRTCSCTPTransport,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(&from_glib_borrow(this))
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::max-channels\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_max_channels_trampoline::<F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+
+    #[doc(alias = "max-message-size")]
+    pub fn connect_max_message_size_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_max_message_size_trampoline<
+            F: Fn(&WebRTCSCTPTransport) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstWebRTCSCTPTransport,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(&from_glib_borrow(this))
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::max-message-size\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_max_message_size_trampoline::<F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+
+    #[doc(alias = "state")]
+    pub fn connect_state_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_state_trampoline<
+            F: Fn(&WebRTCSCTPTransport) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstWebRTCSCTPTransport,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(&from_glib_borrow(this))
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::state\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_state_trampoline::<F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+
+    #[doc(alias = "transport")]
+    pub fn connect_transport_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_transport_trampoline<
+            F: Fn(&WebRTCSCTPTransport) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstWebRTCSCTPTransport,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(&from_glib_borrow(this))
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::transport\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_transport_trampoline::<F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+}
+
+unsafe impl Send for WebRTCSCTPTransport {}
+unsafe impl Sync for WebRTCSCTPTransport {}
diff --git a/gstreamer-webrtc/sys/Gir.toml b/gstreamer-webrtc/sys/Gir.toml
index 13f0090e0..ab84b7949 100644
--- a/gstreamer-webrtc/sys/Gir.toml
+++ b/gstreamer-webrtc/sys/Gir.toml
@@ -17,3 +17,10 @@ external_libraries = [
 
 [external_libraries]
 gstreamer_sdp="GstSdp"
+
+[[object]]
+name = "GstWebRTC.WebRTCSCTPTransport"
+status = "generate"
+    [[object.function]]
+    name = "get_type"
+    version = "1.20"
diff --git a/gstreamer-webrtc/sys/src/lib.rs b/gstreamer-webrtc/sys/src/lib.rs
index d8d9e0f7b..aa77ab86c 100644
--- a/gstreamer-webrtc/sys/src/lib.rs
+++ b/gstreamer-webrtc/sys/src/lib.rs
@@ -443,6 +443,8 @@ extern "C" {
     //=========================================================================
     // GstWebRTCSCTPTransport
     //=========================================================================
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
     pub fn gst_webrtc_sctp_transport_get_type() -> GType;
 
 }
diff --git a/gstreamer/Gir.toml b/gstreamer/Gir.toml
index 3cc019670..1f47e2dea 100644
--- a/gstreamer/Gir.toml
+++ b/gstreamer/Gir.toml
@@ -1052,6 +1052,36 @@ final_type = true
         [object.function.return]
         nullable_return_is_error = "Failed to create element from factory name"
 
+    [[object.function]]
+    name = "create_full"
+    # varargs
+    ignore = true
+
+    [[object.function]]
+    name = "create_valist"
+    # varargs
+    ignore = true
+
+    [[object.function]]
+    name = "create_with_properties"
+    # separate name/value arrays need to be merged
+    manual = true
+
+    [[object.function]]
+    name = "make_full"
+    # varargs
+    ignore = true
+
+    [[object.function]]
+    name = "make_valist"
+    # varargs
+    ignore = true
+
+    [[object.function]]
+    name = "make_with_properties"
+    # separate name/value arrays need to be merged
+    manual = true
+
 [[object]]
 name = "Gst.TypeFindFactory"
 status = "generate"
diff --git a/gstreamer/src/auto/element_factory.rs b/gstreamer/src/auto/element_factory.rs
index 87125f4e8..11ddae30c 100644
--- a/gstreamer/src/auto/element_factory.rs
+++ b/gstreamer/src/auto/element_factory.rs
@@ -75,39 +75,6 @@ impl ElementFactory {
         }
     }
 
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_element_factory_create_full")]
-    //pub fn create_full(&self, first: Option<&str>, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> Option<Element> {
-    //    unsafe { TODO: call ffi:gst_element_factory_create_full() }
-    //}
-
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_element_factory_create_valist")]
-    //pub fn create_valist(&self, first: Option<&str>, properties: /*Unknown conversion*//*Unimplemented*/Unsupported) -> Option<Element> {
-    //    unsafe { TODO: call ffi:gst_element_factory_create_valist() }
-    //}
-
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_element_factory_create_with_properties")]
-    pub fn create_with_properties(
-        &self,
-        n: u32,
-        names: Option<&str>,
-        values: Option<&glib::Value>,
-    ) -> Option<Element> {
-        unsafe {
-            from_glib_none(ffi::gst_element_factory_create_with_properties(
-                self.to_glib_none().0,
-                n,
-                names.to_glib_none().0,
-                values.to_glib_none().0,
-            ))
-        }
-    }
-
     #[doc(alias = "gst_element_factory_get_element_type")]
     #[doc(alias = "get_element_type")]
     pub fn element_type(&self) -> glib::types::Type {
@@ -237,40 +204,6 @@ impl ElementFactory {
             .ok_or_else(|| glib::bool_error!("Failed to create element from factory name"))
         }
     }
-
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_element_factory_make_full")]
-    //pub fn make_full(factoryname: &str, first: Option<&str>, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> Option<Element> {
-    //    unsafe { TODO: call ffi:gst_element_factory_make_full() }
-    //}
-
-    //#[cfg(any(feature = "v1_20", feature = "dox"))]
-    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    //#[doc(alias = "gst_element_factory_make_valist")]
-    //pub fn make_valist(factoryname: &str, first: Option<&str>, properties: /*Unknown conversion*//*Unimplemented*/Unsupported) -> Option<Element> {
-    //    unsafe { TODO: call ffi:gst_element_factory_make_valist() }
-    //}
-
-    #[cfg(any(feature = "v1_20", feature = "dox"))]
-    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
-    #[doc(alias = "gst_element_factory_make_with_properties")]
-    pub fn make_with_properties(
-        factoryname: &str,
-        n: u32,
-        names: Option<&str>,
-        values: Option<&glib::Value>,
-    ) -> Option<Element> {
-        assert_initialized_main_thread!();
-        unsafe {
-            from_glib_none(ffi::gst_element_factory_make_with_properties(
-                factoryname.to_glib_none().0,
-                n,
-                names.to_glib_none().0,
-                values.to_glib_none().0,
-            ))
-        }
-    }
 }
 
 unsafe impl Send for ElementFactory {}
diff --git a/gstreamer/src/element_factory.rs b/gstreamer/src/element_factory.rs
new file mode 100644
index 000000000..e4885227e
--- /dev/null
+++ b/gstreamer/src/element_factory.rs
@@ -0,0 +1,65 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+use crate::Element;
+use crate::ElementFactory;
+
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+use glib::prelude::*;
+#[cfg(any(feature = "v1_20", feature = "dox"))]
+use glib::translate::*;
+
+impl ElementFactory {
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_element_factory_create_with_properties")]
+    pub fn create_with_properties(
+        &self,
+        properties: &[(&str, &dyn ToValue)],
+    ) -> Result<Element, glib::BoolError> {
+        assert_initialized_main_thread!();
+        let n = properties.len() as u32;
+        let names = properties.iter().map(|(name, _)| *name).collect::<Vec<_>>();
+        let values = properties
+            .iter()
+            .map(|(_, value)| value.to_value())
+            .collect::<Vec<_>>();
+
+        unsafe {
+            Option::<_>::from_glib_none(ffi::gst_element_factory_create_with_properties(
+                self.to_glib_none().0,
+                n,
+                names.to_glib_none().0,
+                values.as_ptr() as *const glib::gobject_ffi::GValue,
+            ))
+            .ok_or_else(|| glib::bool_error!("Failed to create element from factory"))
+        }
+    }
+
+    #[cfg(any(feature = "v1_20", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    #[doc(alias = "gst_element_factory_make_with_properties")]
+    pub fn make_with_properties(
+        factoryname: &str,
+        properties: &[(&str, &dyn ToValue)],
+    ) -> Result<Element, glib::BoolError> {
+        assert_initialized_main_thread!();
+        let n = properties.len() as u32;
+        let names = properties.iter().map(|(name, _)| *name).collect::<Vec<_>>();
+        let values = properties
+            .iter()
+            .map(|(_, value)| value.to_value())
+            .collect::<Vec<_>>();
+
+        assert_initialized_main_thread!();
+        unsafe {
+            Option::<_>::from_glib_none(ffi::gst_element_factory_make_with_properties(
+                factoryname.to_glib_none().0,
+                n,
+                names.to_glib_none().0,
+                values.as_ptr() as *const glib::gobject_ffi::GValue,
+            ))
+            .ok_or_else(|| glib::bool_error!("Failed to create element from factory name"))
+        }
+    }
+}
diff --git a/gstreamer/src/lib.rs b/gstreamer/src/lib.rs
index d8439d58f..7df82a764 100644
--- a/gstreamer/src/lib.rs
+++ b/gstreamer/src/lib.rs
@@ -129,6 +129,7 @@ pub use promise::{Promise, PromiseError};
 
 pub mod bus;
 mod element;
+mod element_factory;
 
 mod bin;