From 808ff293ec4f2ef0d77d891ed7ce2b8470c07183 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Fri, 2 Mar 2018 21:25:12 +0200
Subject: [PATCH] Regenerate everything with latest gir

---
 Gir_Gst.toml                                  |  5 ++++
 Gir_GstBase.toml                              |  4 +++
 gstreamer-app/src/auto/app_sink.rs            | 12 +++++++-
 gstreamer-app/src/auto/app_src.rs             | 18 +++++++++++-
 gstreamer-app/src/auto/enums.rs               |  2 +-
 gstreamer-app/src/auto/flags.rs               |  2 +-
 gstreamer-app/src/auto/mod.rs                 |  2 +-
 gstreamer-audio/src/auto/enums.rs             |  2 +-
 gstreamer-audio/src/auto/flags.rs             |  2 +-
 gstreamer-audio/src/auto/mod.rs               |  2 +-
 gstreamer-audio/src/auto/stream_volume.rs     |  4 ++-
 gstreamer-base/src/auto/adapter.rs            |  2 +-
 gstreamer-base/src/auto/base_sink.rs          | 13 ++++++++-
 gstreamer-base/src/auto/base_src.rs           |  6 +++-
 gstreamer-base/src/auto/base_transform.rs     |  3 +-
 gstreamer-base/src/auto/enums.rs              |  2 +-
 gstreamer-base/src/auto/flags.rs              |  2 +-
 gstreamer-base/src/auto/functions.rs          |  2 +-
 gstreamer-base/src/auto/mod.rs                |  2 +-
 gstreamer-base/src/auto/push_src.rs           |  2 +-
 gstreamer-net/src/auto/enums.rs               |  2 +-
 gstreamer-net/src/auto/flags.rs               |  2 +-
 gstreamer-net/src/auto/mod.rs                 |  2 +-
 gstreamer-net/src/auto/net_client_clock.rs    |  9 +++++-
 gstreamer-net/src/auto/net_time_provider.rs   |  6 +++-
 gstreamer-net/src/auto/ntp_clock.rs           |  2 +-
 gstreamer-net/src/auto/ptp_clock.rs           |  6 +++-
 gstreamer-pbutils/src/auto/discoverer.rs      |  6 +++-
 .../src/auto/discoverer_audio_info.rs         |  2 +-
 .../src/auto/discoverer_container_info.rs     |  2 +-
 gstreamer-pbutils/src/auto/discoverer_info.rs |  2 +-
 .../src/auto/discoverer_stream_info.rs        |  2 +-
 .../src/auto/discoverer_subtitle_info.rs      |  2 +-
 .../src/auto/discoverer_video_info.rs         |  2 +-
 gstreamer-pbutils/src/auto/enums.rs           |  2 +-
 gstreamer-pbutils/src/auto/flags.rs           |  2 +-
 gstreamer-pbutils/src/auto/mod.rs             |  2 +-
 gstreamer-player/src/auto/enums.rs            |  2 +-
 gstreamer-player/src/auto/flags.rs            |  2 +-
 gstreamer-player/src/auto/mod.rs              |  2 +-
 gstreamer-player/src/auto/player.rs           | 29 ++++++++++++++++++-
 .../src/auto/player_audio_info.rs             |  2 +-
 ...player_g_main_context_signal_dispatcher.rs |  3 +-
 .../src/auto/player_media_info.rs             |  2 +-
 .../src/auto/player_signal_dispatcher.rs      |  2 +-
 .../src/auto/player_stream_info.rs            |  2 +-
 .../src/auto/player_subtitle_info.rs          |  2 +-
 .../src/auto/player_video_info.rs             |  2 +-
 .../player_video_overlay_video_renderer.rs    |  4 ++-
 .../src/auto/player_video_renderer.rs         |  2 +-
 .../src/auto/player_visualization.rs          |  2 +-
 gstreamer-rtsp-server/src/auto/enums.rs       |  2 +-
 gstreamer-rtsp-server/src/auto/flags.rs       |  2 +-
 gstreamer-rtsp-server/src/auto/mod.rs         |  2 +-
 .../src/auto/r_t_s_p_address.rs               |  2 +-
 .../src/auto/r_t_s_p_address_pool.rs          |  2 +-
 .../src/auto/r_t_s_p_auth.rs                  |  3 +-
 .../src/auto/r_t_s_p_client.rs                | 28 +++++++++++++++++-
 .../src/auto/r_t_s_p_media.rs                 | 21 +++++++++++++-
 .../src/auto/r_t_s_p_media_factory.rs         | 15 +++++++++-
 .../src/auto/r_t_s_p_media_factory_u_r_i.rs   |  4 ++-
 .../src/auto/r_t_s_p_mount_points.rs          |  2 +-
 .../src/auto/r_t_s_p_server.rs                |  9 +++++-
 .../src/auto/r_t_s_p_session.rs               |  5 +++-
 .../src/auto/r_t_s_p_session_media.rs         |  2 +-
 .../src/auto/r_t_s_p_session_pool.rs          |  4 ++-
 .../src/auto/r_t_s_p_stream.rs                |  7 ++++-
 .../src/auto/r_t_s_p_stream_transport.rs      |  2 +-
 .../src/auto/r_t_s_p_thread_pool.rs           |  3 +-
 .../src/auto/r_t_s_p_token.rs                 |  2 +-
 gstreamer-rtsp/src/auto/enums.rs              |  2 +-
 gstreamer-rtsp/src/auto/flags.rs              |  2 +-
 gstreamer-rtsp/src/auto/mod.rs                |  2 +-
 gstreamer-rtsp/src/auto/r_t_s_p_auth_param.rs |  2 +-
 gstreamer-rtsp/src/auto/r_t_s_p_url.rs        |  2 +-
 gstreamer-sdp/src/auto/enums.rs               |  2 +-
 gstreamer-sdp/src/auto/flags.rs               |  2 +-
 gstreamer-sdp/src/auto/mod.rs                 |  2 +-
 gstreamer-video/src/auto/enums.rs             |  2 +-
 gstreamer-video/src/auto/flags.rs             |  2 +-
 gstreamer-video/src/auto/mod.rs               |  2 +-
 gstreamer-video/src/auto/video_filter.rs      |  2 +-
 gstreamer-video/src/auto/video_overlay.rs     |  2 +-
 gstreamer/src/auto/alias.rs                   |  2 +-
 gstreamer/src/auto/bin.rs                     |  9 +++++-
 gstreamer/src/auto/bus.rs                     |  5 +++-
 gstreamer/src/auto/child_proxy.rs             |  4 ++-
 gstreamer/src/auto/clock.rs                   |  6 +++-
 gstreamer/src/auto/date_time.rs               |  2 +-
 gstreamer/src/auto/device.rs                  |  7 ++++-
 gstreamer/src/auto/device_monitor.rs          |  3 +-
 gstreamer/src/auto/device_provider.rs         |  4 ++-
 gstreamer/src/auto/device_provider_factory.rs |  2 +-
 gstreamer/src/auto/element.rs                 |  5 +++-
 gstreamer/src/auto/element_factory.rs         |  2 +-
 gstreamer/src/auto/enums.rs                   |  2 +-
 gstreamer/src/auto/flags.rs                   |  2 +-
 gstreamer/src/auto/functions.rs               |  2 +-
 gstreamer/src/auto/ghost_pad.rs               |  2 +-
 gstreamer/src/auto/mod.rs                     |  2 +-
 gstreamer/src/auto/object.rs                  |  4 ++-
 gstreamer/src/auto/pad.rs                     |  8 ++++-
 gstreamer/src/auto/pad_template.rs            |  7 ++++-
 gstreamer/src/auto/pipeline.rs                |  5 +++-
 gstreamer/src/auto/plugin.rs                  |  2 +-
 gstreamer/src/auto/plugin_feature.rs          |  2 +-
 gstreamer/src/auto/preset.rs                  |  2 +-
 gstreamer/src/auto/proxy_pad.rs               |  2 +-
 gstreamer/src/auto/registry.rs                |  4 ++-
 gstreamer/src/auto/stream.rs                  |  7 ++++-
 gstreamer/src/auto/stream_collection.rs       |  3 +-
 gstreamer/src/auto/system_clock.rs            |  3 +-
 gstreamer/src/auto/tag_setter.rs              |  2 +-
 gstreamer/src/auto/toc_setter.rs              |  2 +-
 gstreamer/src/auto/type_find_factory.rs       |  2 +-
 gstreamer/src/auto/u_r_i_handler.rs           |  2 +-
 116 files changed, 347 insertions(+), 114 deletions(-)

diff --git a/Gir_Gst.toml b/Gir_Gst.toml
index 67061c45d..242ea42eb 100644
--- a/Gir_Gst.toml
+++ b/Gir_Gst.toml
@@ -804,6 +804,11 @@ status = "generate"
 [[object]]
 name = "Gst.*"
 status = "generate"
+    # We'll opt-in for constants at a later time
+    [[object.constant]]
+    pattern = ".+"
+    ignore = true
+
     [[object.function]]
     name = "util_dump_mem"
     ignore = true
diff --git a/Gir_GstBase.toml b/Gir_GstBase.toml
index ee5bc128a..ad1255858 100644
--- a/Gir_GstBase.toml
+++ b/Gir_GstBase.toml
@@ -75,6 +75,10 @@ concurrency = "none"
 [[object]]
 name = "GstBase.*"
 status = "generate"
+    # We'll opt-in for constants at a later time
+    [[object.constant]]
+    pattern = ".+"
+    ignore = true
 
     [[object.function]]
     name = "type_find_helper_for_data"
diff --git a/gstreamer-app/src/auto/app_sink.rs b/gstreamer-app/src/auto/app_sink.rs
index c764b188e..7b94f5e96 100644
--- a/gstreamer-app/src/auto/app_sink.rs
+++ b/gstreamer-app/src/auto/app_sink.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -252,51 +252,61 @@ unsafe impl Send for AppSink {}
 unsafe impl Sync for AppSink {}
 
 unsafe extern "C" fn eos_trampoline(this: *mut ffi::GstAppSink, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn new_preroll_trampoline(this: *mut ffi::GstAppSink, f: glib_ffi::gpointer) -> gst_ffi::GstFlowReturn {
+    callback_guard!();
     let f: &&(Fn(&AppSink) -> gst::FlowReturn + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this)).to_glib()
 }
 
 unsafe extern "C" fn new_sample_trampoline(this: *mut ffi::GstAppSink, f: glib_ffi::gpointer) -> gst_ffi::GstFlowReturn {
+    callback_guard!();
     let f: &&(Fn(&AppSink) -> gst::FlowReturn + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this)).to_glib()
 }
 
 unsafe extern "C" fn notify_buffer_list_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_caps_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_drop_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_emit_signals_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_eos_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_max_buffers_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_wait_on_eos_trampoline(this: *mut ffi::GstAppSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSink) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-app/src/auto/app_src.rs b/gstreamer-app/src/auto/app_src.rs
index e7a872ab7..088658c89 100644
--- a/gstreamer-app/src/auto/app_src.rs
+++ b/gstreamer-app/src/auto/app_src.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -364,81 +364,97 @@ unsafe impl Send for AppSrc {}
 unsafe impl Sync for AppSrc {}
 
 unsafe extern "C" fn enough_data_trampoline(this: *mut ffi::GstAppSrc, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn need_data_trampoline(this: *mut ffi::GstAppSrc, length: libc::c_uint, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc, u32) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), length)
 }
 
 unsafe extern "C" fn seek_data_trampoline(this: *mut ffi::GstAppSrc, offset: u64, f: glib_ffi::gpointer) -> glib_ffi::gboolean {
+    callback_guard!();
     let f: &&(Fn(&AppSrc, u64) -> bool + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), offset).to_glib()
 }
 
 unsafe extern "C" fn notify_block_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_caps_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_current_level_bytes_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_duration_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_emit_signals_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_format_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_is_live_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_max_bytes_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_max_latency_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_min_latency_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_min_percent_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_size_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_stream_type_trampoline(this: *mut ffi::GstAppSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&AppSrc) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-app/src/auto/enums.rs b/gstreamer-app/src/auto/enums.rs
index 874c25180..c985025ce 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-app/src/auto/flags.rs b/gstreamer-app/src/auto/flags.rs
index fe9b15727..82b595c32 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-app/src/auto/mod.rs b/gstreamer-app/src/auto/mod.rs
index 70c3b7393..84c27ef5e 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-audio/src/auto/enums.rs b/gstreamer-audio/src/auto/enums.rs
index 6a679b815..2fe0f525a 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-audio/src/auto/flags.rs b/gstreamer-audio/src/auto/flags.rs
index a5fd5bccf..696189a5f 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-audio/src/auto/mod.rs b/gstreamer-audio/src/auto/mod.rs
index 4190d4e56..a78ec07ef 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-audio/src/auto/stream_volume.rs b/gstreamer-audio/src/auto/stream_volume.rs
index 6915ce0ec..491265701 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -95,12 +95,14 @@ impl<O: IsA<StreamVolume> + IsA<glib::object::Object>> StreamVolumeExt for O {
 
 unsafe extern "C" fn notify_mute_trampoline<P>(this: *mut ffi::GstStreamVolume, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<StreamVolume> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&StreamVolume::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_volume_trampoline<P>(this: *mut ffi::GstStreamVolume, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<StreamVolume> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&StreamVolume::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-base/src/auto/adapter.rs b/gstreamer-base/src/auto/adapter.rs
index f835fb00e..47d05f4e6 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-base/src/auto/base_sink.rs b/gstreamer-base/src/auto/base_sink.rs
index 15391956b..e9c3e8d1c 100644
--- a/gstreamer-base/src/auto/base_sink.rs
+++ b/gstreamer-base/src/auto/base_sink.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -447,66 +447,77 @@ impl<O: IsA<BaseSink> + IsA<glib::object::Object>> BaseSinkExt for O {
 
 unsafe extern "C" fn notify_async_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_blocksize_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_enable_last_sample_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_last_sample_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_max_bitrate_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_max_lateness_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_qos_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_render_delay_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_sync_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_throttle_time_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_ts_offset_trampoline<P>(this: *mut ffi::GstBaseSink, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSink> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSink::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-base/src/auto/base_src.rs b/gstreamer-base/src/auto/base_src.rs
index d3e8647f2..6ae54f480 100644
--- a/gstreamer-base/src/auto/base_src.rs
+++ b/gstreamer-base/src/auto/base_src.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -268,24 +268,28 @@ impl<O: IsA<BaseSrc> + IsA<glib::object::Object>> BaseSrcExt for O {
 
 unsafe extern "C" fn notify_blocksize_trampoline<P>(this: *mut ffi::GstBaseSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSrc> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSrc::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_do_timestamp_trampoline<P>(this: *mut ffi::GstBaseSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSrc> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSrc::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_num_buffers_trampoline<P>(this: *mut ffi::GstBaseSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSrc> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSrc::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_typefind_trampoline<P>(this: *mut ffi::GstBaseSrc, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseSrc> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseSrc::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-base/src/auto/base_transform.rs b/gstreamer-base/src/auto/base_transform.rs
index 63f2e3c4b..6481e6a42 100644
--- a/gstreamer-base/src/auto/base_transform.rs
+++ b/gstreamer-base/src/auto/base_transform.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -176,6 +176,7 @@ impl<O: IsA<BaseTransform> + IsA<glib::object::Object>> BaseTransformExt for O {
 
 unsafe extern "C" fn notify_qos_trampoline<P>(this: *mut ffi::GstBaseTransform, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<BaseTransform> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&BaseTransform::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-base/src/auto/enums.rs b/gstreamer-base/src/auto/enums.rs
index fe9b15727..82b595c32 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-base/src/auto/flags.rs b/gstreamer-base/src/auto/flags.rs
index fe9b15727..82b595c32 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-base/src/auto/functions.rs b/gstreamer-base/src/auto/functions.rs
index c30e435a2..906cde45b 100644
--- a/gstreamer-base/src/auto/functions.rs
+++ b/gstreamer-base/src/auto/functions.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-base/src/auto/mod.rs b/gstreamer-base/src/auto/mod.rs
index fd4433be4..089d1914f 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-base/src/auto/push_src.rs b/gstreamer-base/src/auto/push_src.rs
index 2aac47315..e0ff158fd 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-net/src/auto/enums.rs b/gstreamer-net/src/auto/enums.rs
index fe9b15727..82b595c32 100644
--- a/gstreamer-net/src/auto/enums.rs
+++ b/gstreamer-net/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-net/src/auto/flags.rs b/gstreamer-net/src/auto/flags.rs
index fe9b15727..82b595c32 100644
--- a/gstreamer-net/src/auto/flags.rs
+++ b/gstreamer-net/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-net/src/auto/mod.rs b/gstreamer-net/src/auto/mod.rs
index 716f0b8a2..f35292682 100644
--- a/gstreamer-net/src/auto/mod.rs
+++ b/gstreamer-net/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-net/src/auto/net_client_clock.rs b/gstreamer-net/src/auto/net_client_clock.rs
index d80f7c19e..3a6e9d57a 100644
--- a/gstreamer-net/src/auto/net_client_clock.rs
+++ b/gstreamer-net/src/auto/net_client_clock.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -186,36 +186,43 @@ unsafe impl Send for NetClientClock {}
 unsafe impl Sync for NetClientClock {}
 
 unsafe extern "C" fn notify_address_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_base_time_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_bus_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_internal_clock_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_minimum_update_interval_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_port_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_round_trip_limit_trampoline(this: *mut ffi::GstNetClientClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetClientClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-net/src/auto/net_time_provider.rs b/gstreamer-net/src/auto/net_time_provider.rs
index cc1ed0269..aeab9802b 100644
--- a/gstreamer-net/src/auto/net_time_provider.rs
+++ b/gstreamer-net/src/auto/net_time_provider.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -113,21 +113,25 @@ unsafe impl Send for NetTimeProvider {}
 unsafe impl Sync for NetTimeProvider {}
 
 unsafe extern "C" fn notify_active_trampoline(this: *mut ffi::GstNetTimeProvider, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetTimeProvider) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_address_trampoline(this: *mut ffi::GstNetTimeProvider, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetTimeProvider) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_clock_trampoline(this: *mut ffi::GstNetTimeProvider, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetTimeProvider) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_port_trampoline(this: *mut ffi::GstNetTimeProvider, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&NetTimeProvider) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-net/src/auto/ntp_clock.rs b/gstreamer-net/src/auto/ntp_clock.rs
index e87c18e08..f1916960d 100644
--- a/gstreamer-net/src/auto/ntp_clock.rs
+++ b/gstreamer-net/src/auto/ntp_clock.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-net/src/auto/ptp_clock.rs b/gstreamer-net/src/auto/ptp_clock.rs
index 4acce5c27..bddef107c 100644
--- a/gstreamer-net/src/auto/ptp_clock.rs
+++ b/gstreamer-net/src/auto/ptp_clock.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -108,21 +108,25 @@ unsafe impl Send for PtpClock {}
 unsafe impl Sync for PtpClock {}
 
 unsafe extern "C" fn notify_domain_trampoline(this: *mut ffi::GstPtpClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PtpClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_grandmaster_clock_id_trampoline(this: *mut ffi::GstPtpClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PtpClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_internal_clock_trampoline(this: *mut ffi::GstPtpClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PtpClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_master_clock_id_trampoline(this: *mut ffi::GstPtpClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PtpClock) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-pbutils/src/auto/discoverer.rs b/gstreamer-pbutils/src/auto/discoverer.rs
index 8ab89037f..f223515cb 100644
--- a/gstreamer-pbutils/src/auto/discoverer.rs
+++ b/gstreamer-pbutils/src/auto/discoverer.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -99,21 +99,25 @@ unsafe impl Send for Discoverer {}
 unsafe impl Sync for Discoverer {}
 
 unsafe extern "C" fn discovered_trampoline(this: *mut ffi::GstDiscoverer, info: *mut ffi::GstDiscovererInfo, error: *mut glib_ffi::GError, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Discoverer, &DiscovererInfo, &Option<Error>) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(info), &from_glib_borrow(error))
 }
 
 unsafe extern "C" fn finished_trampoline(this: *mut ffi::GstDiscoverer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Discoverer) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn source_setup_trampoline(this: *mut ffi::GstDiscoverer, source: *mut gst_ffi::GstElement, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Discoverer, &gst::Element) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(source))
 }
 
 unsafe extern "C" fn starting_trampoline(this: *mut ffi::GstDiscoverer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Discoverer) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-pbutils/src/auto/discoverer_audio_info.rs b/gstreamer-pbutils/src/auto/discoverer_audio_info.rs
index 84a8dbd4c..ac5f3ce56 100644
--- a/gstreamer-pbutils/src/auto/discoverer_audio_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_audio_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/discoverer_container_info.rs b/gstreamer-pbutils/src/auto/discoverer_container_info.rs
index e45d2a75d..6daf6f845 100644
--- a/gstreamer-pbutils/src/auto/discoverer_container_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_container_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/discoverer_info.rs b/gstreamer-pbutils/src/auto/discoverer_info.rs
index 4b94801f5..ea9413a34 100644
--- a/gstreamer-pbutils/src/auto/discoverer_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/discoverer_stream_info.rs b/gstreamer-pbutils/src/auto/discoverer_stream_info.rs
index 1ff1e40db..cce37eb25 100644
--- a/gstreamer-pbutils/src/auto/discoverer_stream_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_stream_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/discoverer_subtitle_info.rs b/gstreamer-pbutils/src/auto/discoverer_subtitle_info.rs
index f9bcc32a2..8e8b6bef5 100644
--- a/gstreamer-pbutils/src/auto/discoverer_subtitle_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_subtitle_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/discoverer_video_info.rs b/gstreamer-pbutils/src/auto/discoverer_video_info.rs
index edff05bbd..a5886f81b 100644
--- a/gstreamer-pbutils/src/auto/discoverer_video_info.rs
+++ b/gstreamer-pbutils/src/auto/discoverer_video_info.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/enums.rs b/gstreamer-pbutils/src/auto/enums.rs
index ab0a46c77..b4cdf61a2 100644
--- a/gstreamer-pbutils/src/auto/enums.rs
+++ b/gstreamer-pbutils/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/flags.rs b/gstreamer-pbutils/src/auto/flags.rs
index 92cfb8018..6e3ae9e5c 100644
--- a/gstreamer-pbutils/src/auto/flags.rs
+++ b/gstreamer-pbutils/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-pbutils/src/auto/mod.rs b/gstreamer-pbutils/src/auto/mod.rs
index e0d2343fe..b5c11f7d4 100644
--- a/gstreamer-pbutils/src/auto/mod.rs
+++ b/gstreamer-pbutils/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/enums.rs b/gstreamer-player/src/auto/enums.rs
index 8a70622e9..ba08fbe0d 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/flags.rs b/gstreamer-player/src/auto/flags.rs
index fe9b15727..82b595c32 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/mod.rs b/gstreamer-player/src/auto/mod.rs
index f4ac17aca..124e34bc4 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player.rs b/gstreamer-player/src/auto/player.rs
index 94ded7fe2..2f4f22172 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -575,136 +575,163 @@ unsafe impl Send for Player {}
 unsafe impl Sync for Player {}
 
 unsafe extern "C" fn buffering_trampoline(this: *mut ffi::GstPlayer, object: libc::c_int, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, i32) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), object)
 }
 
 unsafe extern "C" fn end_of_stream_trampoline(this: *mut ffi::GstPlayer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn error_trampoline(this: *mut ffi::GstPlayer, object: *mut glib_ffi::GError, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, &Error) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn media_info_updated_trampoline(this: *mut ffi::GstPlayer, object: *mut ffi::GstPlayerMediaInfo, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, &PlayerMediaInfo) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn mute_changed_trampoline(this: *mut ffi::GstPlayer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn state_changed_trampoline(this: *mut ffi::GstPlayer, object: ffi::GstPlayerState, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, PlayerState) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), from_glib(object))
 }
 
 unsafe extern "C" fn uri_loaded_trampoline(this: *mut ffi::GstPlayer, object: *mut libc::c_char, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, &str) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), &String::from_glib_none(object))
 }
 
 unsafe extern "C" fn video_dimensions_changed_trampoline(this: *mut ffi::GstPlayer, object: libc::c_int, p0: libc::c_int, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, i32, i32) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), object, p0)
 }
 
 unsafe extern "C" fn volume_changed_trampoline(this: *mut ffi::GstPlayer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn warning_trampoline(this: *mut ffi::GstPlayer, object: *mut glib_ffi::GError, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player, &Error) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn notify_audio_video_offset_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_current_audio_track_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_current_subtitle_track_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_current_video_track_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_duration_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_media_info_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_mute_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_pipeline_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_position_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_rate_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_signal_dispatcher_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_suburi_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_uri_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_video_multiview_flags_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_video_multiview_mode_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_video_renderer_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_volume_trampoline(this: *mut ffi::GstPlayer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Player) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-player/src/auto/player_audio_info.rs b/gstreamer-player/src/auto/player_audio_info.rs
index a235974c3..a9949a01e 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
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 c134bdbc6..64405fe27 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
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -47,6 +47,7 @@ unsafe impl Send for PlayerGMainContextSignalDispatcher {}
 unsafe impl Sync for PlayerGMainContextSignalDispatcher {}
 
 unsafe extern "C" fn notify_application_context_trampoline(this: *mut ffi::GstPlayerGMainContextSignalDispatcher, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PlayerGMainContextSignalDispatcher) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-player/src/auto/player_media_info.rs b/gstreamer-player/src/auto/player_media_info.rs
index 0b871067c..ec581bfe0 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player_signal_dispatcher.rs b/gstreamer-player/src/auto/player_signal_dispatcher.rs
index e47e5b4fe..9162f5a4b 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player_stream_info.rs b/gstreamer-player/src/auto/player_stream_info.rs
index 1de29622e..8331c5c08 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player_subtitle_info.rs b/gstreamer-player/src/auto/player_subtitle_info.rs
index fa65fc556..d8b688d8a 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player_video_info.rs b/gstreamer-player/src/auto/player_video_info.rs
index a39755670..f23b57e6b 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
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 6302067ba..2fb9c97c6 100644
--- a/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs
+++ b/gstreamer-player/src/auto/player_video_overlay_video_renderer.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -102,11 +102,13 @@ unsafe impl Send for PlayerVideoOverlayVideoRenderer {}
 unsafe impl Sync for PlayerVideoOverlayVideoRenderer {}
 
 unsafe extern "C" fn notify_video_sink_trampoline(this: *mut ffi::GstPlayerVideoOverlayVideoRenderer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PlayerVideoOverlayVideoRenderer) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_window_handle_trampoline(this: *mut ffi::GstPlayerVideoOverlayVideoRenderer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PlayerVideoOverlayVideoRenderer) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer-player/src/auto/player_video_renderer.rs b/gstreamer-player/src/auto/player_video_renderer.rs
index 402465ec3..a4aeafc61 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-player/src/auto/player_visualization.rs b/gstreamer-player/src/auto/player_visualization.rs
index aa47e26c1..dacbd8a6c 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/enums.rs b/gstreamer-rtsp-server/src/auto/enums.rs
index 380fb4bc8..0e0da6902 100644
--- a/gstreamer-rtsp-server/src/auto/enums.rs
+++ b/gstreamer-rtsp-server/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/flags.rs b/gstreamer-rtsp-server/src/auto/flags.rs
index b50d62028..c0375721d 100644
--- a/gstreamer-rtsp-server/src/auto/flags.rs
+++ b/gstreamer-rtsp-server/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/mod.rs b/gstreamer-rtsp-server/src/auto/mod.rs
index ffa45190d..a2b953d5b 100644
--- a/gstreamer-rtsp-server/src/auto/mod.rs
+++ b/gstreamer-rtsp-server/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_address.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_address.rs
index 46ab89c52..fd43f4a73 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_address.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_address.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_address_pool.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_address_pool.rs
index 776b31738..d23bd7114 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_address_pool.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_address_pool.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_auth.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_auth.rs
index 7c3f959a8..e3081e459 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_auth.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_auth.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -193,6 +193,7 @@ impl<O: IsA<RTSPAuth> + IsA<glib::object::Object>> RTSPAuthExt for O {
 
 unsafe extern "C" fn accept_certificate_trampoline<P>(this: *mut ffi::GstRTSPAuth, connection: *mut gio_ffi::GTlsConnection, peer_cert: *mut gio_ffi::GTlsCertificate, errors: gio_ffi::GTlsCertificateFlags, f: glib_ffi::gpointer) -> glib_ffi::gboolean
 where P: IsA<RTSPAuth> {
+    callback_guard!();
     let f: &&(Fn(&P, &gio::TlsConnection, &gio::TlsCertificate, gio::TlsCertificateFlags) -> bool + Send + Sync + 'static) = transmute(f);
     f(&RTSPAuth::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(connection), &from_glib_borrow(peer_cert), from_glib(errors)).to_glib()
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_client.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_client.rs
index da7ebfabe..b3040fa15 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_client.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_client.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -486,54 +486,63 @@ impl<O: IsA<RTSPClient> + IsA<glib::object::Object>> RTSPClientExt for O {
 
 unsafe extern "C" fn announce_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn closed_trampoline<P>(this: *mut ffi::GstRTSPClient, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn describe_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn get_parameter_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn handle_response_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn new_session_trampoline<P>(this: *mut ffi::GstRTSPClient, object: *mut ffi::GstRTSPSession, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPSession) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn options_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn pause_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn play_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
@@ -541,6 +550,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_announce_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -548,6 +558,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_describe_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -555,6 +566,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_get_parameter_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -562,6 +574,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_options_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -569,6 +582,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_pause_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -576,6 +590,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_play_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -583,6 +598,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_record_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -590,6 +606,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_set_parameter_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -597,6 +614,7 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_setup_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
@@ -604,48 +622,56 @@ where P: IsA<RTSPClient> {
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 unsafe extern "C" fn pre_teardown_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer) -> gst_rtsp_ffi::GstRTSPStatusCode
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) -> gst_rtsp::RTSPStatusCode + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx)).to_glib()
 }
 
 unsafe extern "C" fn record_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn set_parameter_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn setup_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn teardown_request_trampoline<P>(this: *mut ffi::GstRTSPClient, ctx: *mut ffi::GstRTSPContext, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPContext) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(ctx))
 }
 
 unsafe extern "C" fn notify_drop_backlog_trampoline<P>(this: *mut ffi::GstRTSPClient, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_mount_points_trampoline<P>(this: *mut ffi::GstRTSPClient, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_session_pool_trampoline<P>(this: *mut ffi::GstRTSPClient, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPClient> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPClient::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_media.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_media.rs
index d2c42fc6a..9f240dd0e 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_media.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_media.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -713,114 +713,133 @@ impl<O: IsA<RTSPMedia> + IsA<glib::object::Object>> RTSPMediaExt for O {
 
 unsafe extern "C" fn new_state_trampoline<P>(this: *mut ffi::GstRTSPMedia, object: libc::c_int, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P, i32) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked(), object)
 }
 
 unsafe extern "C" fn new_stream_trampoline<P>(this: *mut ffi::GstRTSPMedia, object: *mut ffi::GstRTSPStream, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPStream) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn prepared_trampoline<P>(this: *mut ffi::GstRTSPMedia, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn removed_stream_trampoline<P>(this: *mut ffi::GstRTSPMedia, object: *mut ffi::GstRTSPStream, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPStream) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn target_state_trampoline<P>(this: *mut ffi::GstRTSPMedia, object: libc::c_int, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P, i32) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked(), object)
 }
 
 unsafe extern "C" fn unprepared_trampoline<P>(this: *mut ffi::GstRTSPMedia, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_buffer_size_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_clock_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_element_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_eos_shutdown_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_latency_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_profiles_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_protocols_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_reusable_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_shared_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_stop_on_disconnect_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_suspend_mode_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_time_provider_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_transport_mode_trampoline<P>(this: *mut ffi::GstRTSPMedia, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMedia> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMedia::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory.rs
index 192f08938..c75cc4468 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -513,78 +513,91 @@ impl<O: IsA<RTSPMediaFactory> + IsA<glib::object::Object>> RTSPMediaFactoryExt f
 
 unsafe extern "C" fn media_configure_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, object: *mut ffi::GstRTSPMedia, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPMedia) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn media_constructed_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, object: *mut ffi::GstRTSPMedia, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPMedia) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn notify_buffer_size_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_clock_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_eos_shutdown_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_latency_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_launch_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_profiles_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_protocols_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_shared_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_stop_on_disconnect_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_suspend_mode_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_transport_mode_trampoline<P>(this: *mut ffi::GstRTSPMediaFactory, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactory> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactory::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory_u_r_i.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory_u_r_i.rs
index b6e9136fb..980c67293 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory_u_r_i.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_media_factory_u_r_i.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -105,12 +105,14 @@ impl<O: IsA<RTSPMediaFactoryURI> + IsA<glib::object::Object>> RTSPMediaFactoryUR
 
 unsafe extern "C" fn notify_uri_trampoline<P>(this: *mut ffi::GstRTSPMediaFactoryURI, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactoryURI> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactoryURI::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_use_gstpay_trampoline<P>(this: *mut ffi::GstRTSPMediaFactoryURI, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPMediaFactoryURI> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPMediaFactoryURI::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_mount_points.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_mount_points.rs
index 45aca45c2..8927f5b20 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_mount_points.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_mount_points.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_server.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_server.rs
index cc54d4aa0..7bff59c29 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_server.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_server.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -300,42 +300,49 @@ impl<O: IsA<RTSPServer> + IsA<glib::object::Object>> RTSPServerExt for O {
 
 unsafe extern "C" fn client_connected_trampoline<P>(this: *mut ffi::GstRTSPServer, object: *mut ffi::GstRTSPClient, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPClient) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn notify_address_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_backlog_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_bound_port_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_mount_points_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_service_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_session_pool_trampoline<P>(this: *mut ffi::GstRTSPServer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPServer> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPServer::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_session.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_session.rs
index b0545d586..ccb4b6fd9 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_session.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_session.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -210,18 +210,21 @@ impl<O: IsA<RTSPSession> + IsA<glib::object::Object>> RTSPSessionExt for O {
 
 unsafe extern "C" fn notify_sessionid_trampoline<P>(this: *mut ffi::GstRTSPSession, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPSession> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPSession::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_timeout_trampoline<P>(this: *mut ffi::GstRTSPSession, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPSession> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPSession::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_timeout_always_visible_trampoline<P>(this: *mut ffi::GstRTSPSession, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPSession> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPSession::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_session_media.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_session_media.rs
index f0b228451..761350d96 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_session_media.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_session_media.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_session_pool.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_session_pool.rs
index 0b4fb4741..97feee706 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_session_pool.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_session_pool.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -131,12 +131,14 @@ impl<O: IsA<RTSPSessionPool> + IsA<glib::object::Object>> RTSPSessionPoolExt for
 
 unsafe extern "C" fn session_removed_trampoline<P>(this: *mut ffi::GstRTSPSessionPool, object: *mut ffi::GstRTSPSession, f: glib_ffi::gpointer)
 where P: IsA<RTSPSessionPool> {
+    callback_guard!();
     let f: &&(Fn(&P, &RTSPSession) + Send + Sync + 'static) = transmute(f);
     f(&RTSPSessionPool::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn notify_max_sessions_trampoline<P>(this: *mut ffi::GstRTSPSessionPool, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPSessionPool> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPSessionPool::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_stream.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_stream.rs
index 3e408c601..660cef996 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_stream.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_stream.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -557,30 +557,35 @@ impl<O: IsA<RTSPStream> + IsA<glib::object::Object>> RTSPStreamExt for O {
 
 unsafe extern "C" fn new_rtcp_encoder_trampoline<P>(this: *mut ffi::GstRTSPStream, object: *mut gst_ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<RTSPStream> {
+    callback_guard!();
     let f: &&(Fn(&P, &gst::Element) + Send + Sync + 'static) = transmute(f);
     f(&RTSPStream::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn new_rtp_encoder_trampoline<P>(this: *mut ffi::GstRTSPStream, object: *mut gst_ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<RTSPStream> {
+    callback_guard!();
     let f: &&(Fn(&P, &gst::Element) + Send + Sync + 'static) = transmute(f);
     f(&RTSPStream::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object))
 }
 
 unsafe extern "C" fn notify_control_trampoline<P>(this: *mut ffi::GstRTSPStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPStream> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPStream::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_profiles_trampoline<P>(this: *mut ffi::GstRTSPStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPStream> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPStream::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_protocols_trampoline<P>(this: *mut ffi::GstRTSPStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPStream> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPStream::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_stream_transport.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_stream_transport.rs
index 011567d75..12c9af019 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_stream_transport.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_stream_transport.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_thread_pool.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_thread_pool.rs
index 252d13693..9847d7623 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_thread_pool.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_thread_pool.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -87,6 +87,7 @@ impl<O: IsA<RTSPThreadPool> + IsA<glib::object::Object>> RTSPThreadPoolExt for O
 
 unsafe extern "C" fn notify_max_threads_trampoline<P>(this: *mut ffi::GstRTSPThreadPool, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<RTSPThreadPool> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&RTSPThreadPool::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer-rtsp-server/src/auto/r_t_s_p_token.rs b/gstreamer-rtsp-server/src/auto/r_t_s_p_token.rs
index 5f00e2951..69a4b5e02 100644
--- a/gstreamer-rtsp-server/src/auto/r_t_s_p_token.rs
+++ b/gstreamer-rtsp-server/src/auto/r_t_s_p_token.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ bd67955)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp/src/auto/enums.rs b/gstreamer-rtsp/src/auto/enums.rs
index 1c6d62288..beb2a801c 100644
--- a/gstreamer-rtsp/src/auto/enums.rs
+++ b/gstreamer-rtsp/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp/src/auto/flags.rs b/gstreamer-rtsp/src/auto/flags.rs
index a02fe2225..aa0d361a5 100644
--- a/gstreamer-rtsp/src/auto/flags.rs
+++ b/gstreamer-rtsp/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp/src/auto/mod.rs b/gstreamer-rtsp/src/auto/mod.rs
index 774cc7ef9..3459c21fa 100644
--- a/gstreamer-rtsp/src/auto/mod.rs
+++ b/gstreamer-rtsp/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp/src/auto/r_t_s_p_auth_param.rs b/gstreamer-rtsp/src/auto/r_t_s_p_auth_param.rs
index 20febd034..54022ba0f 100644
--- a/gstreamer-rtsp/src/auto/r_t_s_p_auth_param.rs
+++ b/gstreamer-rtsp/src/auto/r_t_s_p_auth_param.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-rtsp/src/auto/r_t_s_p_url.rs b/gstreamer-rtsp/src/auto/r_t_s_p_url.rs
index d025299fc..2c22a5dfa 100644
--- a/gstreamer-rtsp/src/auto/r_t_s_p_url.rs
+++ b/gstreamer-rtsp/src/auto/r_t_s_p_url.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-sdp/src/auto/enums.rs b/gstreamer-sdp/src/auto/enums.rs
index 0c34d9a5c..61e958843 100644
--- a/gstreamer-sdp/src/auto/enums.rs
+++ b/gstreamer-sdp/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-sdp/src/auto/flags.rs b/gstreamer-sdp/src/auto/flags.rs
index fe9b15727..82b595c32 100644
--- a/gstreamer-sdp/src/auto/flags.rs
+++ b/gstreamer-sdp/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-sdp/src/auto/mod.rs b/gstreamer-sdp/src/auto/mod.rs
index 236a1fe18..c52529c7c 100644
--- a/gstreamer-sdp/src/auto/mod.rs
+++ b/gstreamer-sdp/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-video/src/auto/enums.rs b/gstreamer-video/src/auto/enums.rs
index f1b81fef5..37e3193fe 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-video/src/auto/flags.rs b/gstreamer-video/src/auto/flags.rs
index 91031ac13..8667fc364 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-video/src/auto/mod.rs b/gstreamer-video/src/auto/mod.rs
index 2112e34e6..d145fa60e 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-video/src/auto/video_filter.rs b/gstreamer-video/src/auto/video_filter.rs
index 72828c620..b0642c65c 100644
--- a/gstreamer-video/src/auto/video_filter.rs
+++ b/gstreamer-video/src/auto/video_filter.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer-video/src/auto/video_overlay.rs b/gstreamer-video/src/auto/video_overlay.rs
index f55c11f4d..50b925cf6 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/alias.rs b/gstreamer/src/auto/alias.rs
index 2fdb31a36..45ea7f154 100644
--- a/gstreamer/src/auto/alias.rs
+++ b/gstreamer/src/auto/alias.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/bin.rs b/gstreamer/src/auto/bin.rs
index 093c86f63..1a764c617 100644
--- a/gstreamer/src/auto/bin.rs
+++ b/gstreamer/src/auto/bin.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -296,6 +296,7 @@ impl<O: IsA<Bin> + IsA<glib::object::Object>> BinExt for O {
 #[cfg(any(feature = "v1_10", feature = "dox"))]
 unsafe extern "C" fn deep_element_added_trampoline<P>(this: *mut ffi::GstBin, sub_bin: *mut ffi::GstBin, element: *mut ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P, &Bin, &Element) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(sub_bin), &from_glib_borrow(element))
 }
@@ -303,36 +304,42 @@ where P: IsA<Bin> {
 #[cfg(any(feature = "v1_10", feature = "dox"))]
 unsafe extern "C" fn deep_element_removed_trampoline<P>(this: *mut ffi::GstBin, sub_bin: *mut ffi::GstBin, element: *mut ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P, &Bin, &Element) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(sub_bin), &from_glib_borrow(element))
 }
 
 unsafe extern "C" fn do_latency_trampoline<P>(this: *mut ffi::GstBin, f: glib_ffi::gpointer) -> glib_ffi::gboolean
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P) -> bool + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked()).to_glib()
 }
 
 unsafe extern "C" fn element_added_trampoline<P>(this: *mut ffi::GstBin, element: *mut ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P, &Element) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(element))
 }
 
 unsafe extern "C" fn element_removed_trampoline<P>(this: *mut ffi::GstBin, element: *mut ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P, &Element) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(element))
 }
 
 unsafe extern "C" fn notify_async_handling_trampoline<P>(this: *mut ffi::GstBin, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_message_forward_trampoline<P>(this: *mut ffi::GstBin, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Bin> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Bin::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/bus.rs b/gstreamer/src/auto/bus.rs
index 7d9d4fb5a..b0f8073b5 100644
--- a/gstreamer/src/auto/bus.rs
+++ b/gstreamer/src/auto/bus.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -148,16 +148,19 @@ unsafe impl Send for Bus {}
 unsafe impl Sync for Bus {}
 
 unsafe extern "C" fn message_trampoline(this: *mut ffi::GstBus, message: *mut ffi::GstMessage, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Bus, &Message) + Send + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(message))
 }
 
 unsafe extern "C" fn sync_message_trampoline(this: *mut ffi::GstBus, message: *mut ffi::GstMessage, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Bus, &Message) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(message))
 }
 
 unsafe extern "C" fn notify_enable_async_trampoline(this: *mut ffi::GstBus, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Bus) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer/src/auto/child_proxy.rs b/gstreamer/src/auto/child_proxy.rs
index f09bfc2fa..135a232e2 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -136,12 +136,14 @@ impl<O: IsA<ChildProxy> + IsA<glib::object::Object>> ChildProxyExt for O {
 
 unsafe extern "C" fn child_added_trampoline<P>(this: *mut ffi::GstChildProxy, object: *mut gobject_ffi::GObject, name: *mut libc::c_char, f: glib_ffi::gpointer)
 where P: IsA<ChildProxy> {
+    callback_guard!();
     let f: &&(Fn(&P, &glib::Object, &str) + Send + Sync + 'static) = transmute(f);
     f(&ChildProxy::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object), &String::from_glib_none(name))
 }
 
 unsafe extern "C" fn child_removed_trampoline<P>(this: *mut ffi::GstChildProxy, object: *mut gobject_ffi::GObject, name: *mut libc::c_char, f: glib_ffi::gpointer)
 where P: IsA<ChildProxy> {
+    callback_guard!();
     let f: &&(Fn(&P, &glib::Object, &str) + Send + Sync + 'static) = transmute(f);
     f(&ChildProxy::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(object), &String::from_glib_none(name))
 }
diff --git a/gstreamer/src/auto/clock.rs b/gstreamer/src/auto/clock.rs
index 46d4bd817..2ed192070 100644
--- a/gstreamer/src/auto/clock.rs
+++ b/gstreamer/src/auto/clock.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -318,24 +318,28 @@ impl<O: IsA<Clock> + IsA<glib::object::Object>> ClockExt for O {
 
 unsafe extern "C" fn synced_trampoline<P>(this: *mut ffi::GstClock, synced: glib_ffi::gboolean, f: glib_ffi::gpointer)
 where P: IsA<Clock> {
+    callback_guard!();
     let f: &&(Fn(&P, bool) + Send + Sync + 'static) = transmute(f);
     f(&Clock::from_glib_borrow(this).downcast_unchecked(), from_glib(synced))
 }
 
 unsafe extern "C" fn notify_timeout_trampoline<P>(this: *mut ffi::GstClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Clock> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Clock::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_window_size_trampoline<P>(this: *mut ffi::GstClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Clock> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Clock::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_window_threshold_trampoline<P>(this: *mut ffi::GstClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Clock> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Clock::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/date_time.rs b/gstreamer/src/auto/date_time.rs
index f8a1ed8a3..2edb34075 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/device.rs b/gstreamer/src/auto/device.rs
index 60d093be5..0732bb118 100644
--- a/gstreamer/src/auto/device.rs
+++ b/gstreamer/src/auto/device.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -153,30 +153,35 @@ impl<O: IsA<Device> + IsA<glib::object::Object>> DeviceExt for O {
 
 unsafe extern "C" fn removed_trampoline<P>(this: *mut ffi::GstDevice, f: glib_ffi::gpointer)
 where P: IsA<Device> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Device::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_caps_trampoline<P>(this: *mut ffi::GstDevice, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Device> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Device::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_device_class_trampoline<P>(this: *mut ffi::GstDevice, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Device> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Device::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_display_name_trampoline<P>(this: *mut ffi::GstDevice, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Device> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Device::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_properties_trampoline<P>(this: *mut ffi::GstDevice, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Device> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Device::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/device_monitor.rs b/gstreamer/src/auto/device_monitor.rs
index 35202c575..e8c9d6019 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -158,6 +158,7 @@ impl<O: IsA<DeviceMonitor> + IsA<glib::object::Object>> DeviceMonitorExt for O {
 
 unsafe extern "C" fn notify_show_all_trampoline<P>(this: *mut ffi::GstDeviceMonitor, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<DeviceMonitor> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&DeviceMonitor::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/device_provider.rs b/gstreamer/src/auto/device_provider.rs
index 2a90a1dfa..7ac4e17e3 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -158,12 +158,14 @@ impl<O: IsA<DeviceProvider> + IsA<glib::object::Object>> DeviceProviderExt for O
 
 unsafe extern "C" fn provider_hidden_trampoline<P>(this: *mut ffi::GstDeviceProvider, object: *mut libc::c_char, f: glib_ffi::gpointer)
 where P: IsA<DeviceProvider> {
+    callback_guard!();
     let f: &&(Fn(&P, &str) + Send + Sync + 'static) = transmute(f);
     f(&DeviceProvider::from_glib_borrow(this).downcast_unchecked(), &String::from_glib_none(object))
 }
 
 unsafe extern "C" fn provider_unhidden_trampoline<P>(this: *mut ffi::GstDeviceProvider, object: *mut libc::c_char, f: glib_ffi::gpointer)
 where P: IsA<DeviceProvider> {
+    callback_guard!();
     let f: &&(Fn(&P, &str) + Send + Sync + 'static) = transmute(f);
     f(&DeviceProvider::from_glib_borrow(this).downcast_unchecked(), &String::from_glib_none(object))
 }
diff --git a/gstreamer/src/auto/device_provider_factory.rs b/gstreamer/src/auto/device_provider_factory.rs
index 818a32b23..fbe438c13 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/element.rs b/gstreamer/src/auto/element.rs
index cf566bcef..e8f1efdc5 100644
--- a/gstreamer/src/auto/element.rs
+++ b/gstreamer/src/auto/element.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -503,18 +503,21 @@ impl<O: IsA<Element> + IsA<glib::object::Object>> ElementExt for O {
 
 unsafe extern "C" fn no_more_pads_trampoline<P>(this: *mut ffi::GstElement, f: glib_ffi::gpointer)
 where P: IsA<Element> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Element::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn pad_added_trampoline<P>(this: *mut ffi::GstElement, new_pad: *mut ffi::GstPad, f: glib_ffi::gpointer)
 where P: IsA<Element> {
+    callback_guard!();
     let f: &&(Fn(&P, &Pad) + Send + Sync + 'static) = transmute(f);
     f(&Element::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(new_pad))
 }
 
 unsafe extern "C" fn pad_removed_trampoline<P>(this: *mut ffi::GstElement, old_pad: *mut ffi::GstPad, f: glib_ffi::gpointer)
 where P: IsA<Element> {
+    callback_guard!();
     let f: &&(Fn(&P, &Pad) + Send + Sync + 'static) = transmute(f);
     f(&Element::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(old_pad))
 }
diff --git a/gstreamer/src/auto/element_factory.rs b/gstreamer/src/auto/element_factory.rs
index 7653d5d5b..fe631736a 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/enums.rs b/gstreamer/src/auto/enums.rs
index 515f79dfb..be6173036 100644
--- a/gstreamer/src/auto/enums.rs
+++ b/gstreamer/src/auto/enums.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/flags.rs b/gstreamer/src/auto/flags.rs
index 06e642806..2492d83f9 100644
--- a/gstreamer/src/auto/flags.rs
+++ b/gstreamer/src/auto/flags.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/functions.rs b/gstreamer/src/auto/functions.rs
index 3527e2374..93bd79af5 100644
--- a/gstreamer/src/auto/functions.rs
+++ b/gstreamer/src/auto/functions.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/ghost_pad.rs b/gstreamer/src/auto/ghost_pad.rs
index 2feb1e257..7dd8d106e 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/mod.rs b/gstreamer/src/auto/mod.rs
index c3a657ee1..3120ac194 100644
--- a/gstreamer/src/auto/mod.rs
+++ b/gstreamer/src/auto/mod.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/object.rs b/gstreamer/src/auto/object.rs
index 154c0fa16..239e2bb2f 100644
--- a/gstreamer/src/auto/object.rs
+++ b/gstreamer/src/auto/object.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -256,12 +256,14 @@ impl<O: IsA<Object> + IsA<glib::object::Object>> GstObjectExt for O {
 
 unsafe extern "C" fn notify_name_trampoline<P>(this: *mut ffi::GstObject, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Object> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Object::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_parent_trampoline<P>(this: *mut ffi::GstObject, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Object> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Object::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/pad.rs b/gstreamer/src/auto/pad.rs
index f9042e987..d8ecde3e8 100644
--- a/gstreamer/src/auto/pad.rs
+++ b/gstreamer/src/auto/pad.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -610,36 +610,42 @@ impl<O: IsA<Pad> + IsA<glib::object::Object>> PadExt for O {
 
 unsafe extern "C" fn linked_trampoline<P>(this: *mut ffi::GstPad, peer: *mut ffi::GstPad, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P, &Pad) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(peer))
 }
 
 unsafe extern "C" fn unlinked_trampoline<P>(this: *mut ffi::GstPad, peer: *mut ffi::GstPad, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P, &Pad) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(peer))
 }
 
 unsafe extern "C" fn notify_caps_trampoline<P>(this: *mut ffi::GstPad, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_direction_trampoline<P>(this: *mut ffi::GstPad, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_offset_trampoline<P>(this: *mut ffi::GstPad, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_template_trampoline<P>(this: *mut ffi::GstPad, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pad> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pad::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/pad_template.rs b/gstreamer/src/auto/pad_template.rs
index b1c08b807..c490157a0 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -118,26 +118,31 @@ unsafe impl Send for PadTemplate {}
 unsafe impl Sync for PadTemplate {}
 
 unsafe extern "C" fn pad_created_trampoline(this: *mut ffi::GstPadTemplate, pad: *mut ffi::GstPad, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PadTemplate, &Pad) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(pad))
 }
 
 unsafe extern "C" fn notify_caps_trampoline(this: *mut ffi::GstPadTemplate, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PadTemplate) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_direction_trampoline(this: *mut ffi::GstPadTemplate, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PadTemplate) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_name_template_trampoline(this: *mut ffi::GstPadTemplate, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PadTemplate) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_presence_trampoline(this: *mut ffi::GstPadTemplate, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&PadTemplate) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer/src/auto/pipeline.rs b/gstreamer/src/auto/pipeline.rs
index a600ee609..fe0eb5abd 100644
--- a/gstreamer/src/auto/pipeline.rs
+++ b/gstreamer/src/auto/pipeline.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -154,18 +154,21 @@ impl<O: IsA<Pipeline> + IsA<glib::object::Object>> PipelineExt for O {
 
 unsafe extern "C" fn notify_auto_flush_bus_trampoline<P>(this: *mut ffi::GstPipeline, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pipeline> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pipeline::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_delay_trampoline<P>(this: *mut ffi::GstPipeline, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pipeline> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pipeline::from_glib_borrow(this).downcast_unchecked())
 }
 
 unsafe extern "C" fn notify_latency_trampoline<P>(this: *mut ffi::GstPipeline, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<Pipeline> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&Pipeline::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/plugin.rs b/gstreamer/src/auto/plugin.rs
index c92f0e682..b5320cdf6 100644
--- a/gstreamer/src/auto/plugin.rs
+++ b/gstreamer/src/auto/plugin.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/plugin_feature.rs b/gstreamer/src/auto/plugin_feature.rs
index 146a784b9..fd88884b7 100644
--- a/gstreamer/src/auto/plugin_feature.rs
+++ b/gstreamer/src/auto/plugin_feature.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/preset.rs b/gstreamer/src/auto/preset.rs
index cf6b2ac4f..8a2d652fb 100644
--- a/gstreamer/src/auto/preset.rs
+++ b/gstreamer/src/auto/preset.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/proxy_pad.rs b/gstreamer/src/auto/proxy_pad.rs
index bf6f588ce..fe709461f 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/registry.rs b/gstreamer/src/auto/registry.rs
index bd5d684ae..12aa61eba 100644
--- a/gstreamer/src/auto/registry.rs
+++ b/gstreamer/src/auto/registry.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -148,11 +148,13 @@ unsafe impl Send for Registry {}
 unsafe impl Sync for Registry {}
 
 unsafe extern "C" fn feature_added_trampoline(this: *mut ffi::GstRegistry, feature: *mut ffi::GstPluginFeature, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Registry, &PluginFeature) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(feature))
 }
 
 unsafe extern "C" fn plugin_added_trampoline(this: *mut ffi::GstRegistry, plugin: *mut ffi::GstPlugin, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Registry, &Plugin) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this), &from_glib_borrow(plugin))
 }
diff --git a/gstreamer/src/auto/stream.rs b/gstreamer/src/auto/stream.rs
index f08fc16c8..a2fc2101a 100644
--- a/gstreamer/src/auto/stream.rs
+++ b/gstreamer/src/auto/stream.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -217,26 +217,31 @@ unsafe impl Send for Stream {}
 unsafe impl Sync for Stream {}
 
 unsafe extern "C" fn notify_caps_trampoline(this: *mut ffi::GstStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Stream) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_stream_flags_trampoline(this: *mut ffi::GstStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Stream) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_stream_id_trampoline(this: *mut ffi::GstStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Stream) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_stream_type_trampoline(this: *mut ffi::GstStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Stream) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
 
 unsafe extern "C" fn notify_tags_trampoline(this: *mut ffi::GstStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&Stream) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer/src/auto/stream_collection.rs b/gstreamer/src/auto/stream_collection.rs
index 4f0ac1ed3..6c6395b12 100644
--- a/gstreamer/src/auto/stream_collection.rs
+++ b/gstreamer/src/auto/stream_collection.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -96,6 +96,7 @@ unsafe impl Send for StreamCollection {}
 unsafe impl Sync for StreamCollection {}
 
 unsafe extern "C" fn notify_upstream_id_trampoline(this: *mut ffi::GstStreamCollection, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer) {
+    callback_guard!();
     let f: &&(Fn(&StreamCollection) + Send + Sync + 'static) = transmute(f);
     f(&from_glib_borrow(this))
 }
diff --git a/gstreamer/src/auto/system_clock.rs b/gstreamer/src/auto/system_clock.rs
index ec6e23f55..0ec6edbd0 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
@@ -84,6 +84,7 @@ impl<O: IsA<SystemClock> + IsA<glib::object::Object>> SystemClockExt for O {
 
 unsafe extern "C" fn notify_clock_type_trampoline<P>(this: *mut ffi::GstSystemClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
 where P: IsA<SystemClock> {
+    callback_guard!();
     let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
     f(&SystemClock::from_glib_borrow(this).downcast_unchecked())
 }
diff --git a/gstreamer/src/auto/tag_setter.rs b/gstreamer/src/auto/tag_setter.rs
index 783a94fd4..142ea7513 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/toc_setter.rs b/gstreamer/src/auto/toc_setter.rs
index 56fd542a1..988be96c0 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/type_find_factory.rs b/gstreamer/src/auto/type_find_factory.rs
index c9b7d0c34..e28539895 100644
--- a/gstreamer/src/auto/type_find_factory.rs
+++ b/gstreamer/src/auto/type_find_factory.rs
@@ -1,4 +1,4 @@
-// This file was generated by gir (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT
 
diff --git a/gstreamer/src/auto/u_r_i_handler.rs b/gstreamer/src/auto/u_r_i_handler.rs
index 2268ba1c1..8d5ede135 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 (https://github.com/gtk-rs/gir @ 8b9d0bb)
+// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
 // from gir-files (https://github.com/gtk-rs/gir-files @ ???)
 // DO NOT EDIT