regen: NONE as associated consts

gstreamer-app/src/auto/versions.txt

@@ -1,3 +1,3 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)

gstreamer-app/sys/build.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-app/sys/src/lib.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-app/sys/tests/abi.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-app/sys/tests/constant.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-app/sys/tests/layout.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-audio/src/auto/audio_base_sink.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for AudioBaseSink {}
 unsafe impl Sync for AudioBaseSink {}
 
-pub const NONE_AUDIO_BASE_SINK: Option<&AudioBaseSink> = None;
+impl AudioBaseSink {
+    pub const NONE: Option<&'static AudioBaseSink> = None;
+}
 
 pub trait AudioBaseSinkExt: 'static {
     //#[doc(alias = "gst_audio_base_sink_create_ringbuffer")]

gstreamer-audio/src/auto/audio_base_src.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for AudioBaseSrc {}
 unsafe impl Sync for AudioBaseSrc {}
 
-pub const NONE_AUDIO_BASE_SRC: Option<&AudioBaseSrc> = None;
+impl AudioBaseSrc {
+    pub const NONE: Option<&'static AudioBaseSrc> = None;
+}
 
 pub trait AudioBaseSrcExt: 'static {
     //#[doc(alias = "gst_audio_base_src_create_ringbuffer")]

gstreamer-audio/src/auto/audio_decoder.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for AudioDecoder {}
 unsafe impl Sync for AudioDecoder {}
 
-pub const NONE_AUDIO_DECODER: Option<&AudioDecoder> = None;
+impl AudioDecoder {
+    pub const NONE: Option<&'static AudioDecoder> = None;
+}
 
 pub trait AudioDecoderExt: 'static {
     #[doc(alias = "gst_audio_decoder_allocate_output_buffer")]

gstreamer-audio/src/auto/audio_encoder.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for AudioEncoder {}
 unsafe impl Sync for AudioEncoder {}
 
-pub const NONE_AUDIO_ENCODER: Option<&AudioEncoder> = None;
+impl AudioEncoder {
+    pub const NONE: Option<&'static AudioEncoder> = None;
+}
 
 pub trait AudioEncoderExt: 'static {
     #[doc(alias = "gst_audio_encoder_allocate_output_buffer")]

gstreamer-audio/src/auto/audio_sink.rs

@@ -19,4 +19,6 @@ impl AudioSink {}
 unsafe impl Send for AudioSink {}
 unsafe impl Sync for AudioSink {}
 
-pub const NONE_AUDIO_SINK: Option<&AudioSink> = None;
+impl AudioSink {
+    pub const NONE: Option<&'static AudioSink> = None;
+}

gstreamer-audio/src/auto/audio_src.rs

@@ -19,4 +19,6 @@ impl AudioSrc {}
 unsafe impl Send for AudioSrc {}
 unsafe impl Sync for AudioSrc {}
 
-pub const NONE_AUDIO_SRC: Option<&AudioSrc> = None;
+impl AudioSrc {
+    pub const NONE: Option<&'static AudioSrc> = None;
+}

gstreamer-audio/src/auto/mod.rs

@@ -4,25 +4,25 @@
 // DO NOT EDIT
 
 mod audio_base_sink;
-pub use self::audio_base_sink::{AudioBaseSink, NONE_AUDIO_BASE_SINK};
+pub use self::audio_base_sink::AudioBaseSink;
 
 mod audio_base_src;
-pub use self::audio_base_src::{AudioBaseSrc, NONE_AUDIO_BASE_SRC};
+pub use self::audio_base_src::AudioBaseSrc;
 
 mod audio_decoder;
-pub use self::audio_decoder::{AudioDecoder, NONE_AUDIO_DECODER};
+pub use self::audio_decoder::AudioDecoder;
 
 mod audio_encoder;
-pub use self::audio_encoder::{AudioEncoder, NONE_AUDIO_ENCODER};
+pub use self::audio_encoder::AudioEncoder;
 
 mod audio_sink;
-pub use self::audio_sink::{AudioSink, NONE_AUDIO_SINK};
+pub use self::audio_sink::AudioSink;
 
 mod audio_src;
-pub use self::audio_src::{AudioSrc, NONE_AUDIO_SRC};
+pub use self::audio_src::AudioSrc;
 
 mod stream_volume;
-pub use self::stream_volume::{StreamVolume, NONE_STREAM_VOLUME};
+pub use self::stream_volume::StreamVolume;
 
 #[cfg(any(feature = "v1_14", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]

gstreamer-audio/src/auto/stream_volume.rs

@@ -32,7 +32,9 @@ impl StreamVolume {
 unsafe impl Send for StreamVolume {}
 unsafe impl Sync for StreamVolume {}
 
-pub const NONE_STREAM_VOLUME: Option<&StreamVolume> = None;
+impl StreamVolume {
+    pub const NONE: Option<&'static StreamVolume> = None;
+}
 
 pub trait StreamVolumeExt: 'static {
     #[doc(alias = "gst_stream_volume_get_mute")]

gstreamer-audio/src/auto/versions.txt

@@ -1,3 +1,3 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)

gstreamer-audio/sys/build.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-audio/sys/src/lib.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-audio/sys/tests/abi.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-audio/sys/tests/constant.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-audio/sys/tests/layout.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-base/src/auto/aggregator.rs

@@ -31,7 +31,9 @@ glib::wrapper! {
 unsafe impl Send for Aggregator {}
 unsafe impl Sync for Aggregator {}
 
-pub const NONE_AGGREGATOR: Option<&Aggregator> = None;
+impl Aggregator {
+    pub const NONE: Option<&'static Aggregator> = None;
+}
 
 pub trait AggregatorExt: 'static {
     #[doc(alias = "gst_aggregator_get_buffer_pool")]

gstreamer-base/src/auto/aggregator_pad.rs

@@ -29,7 +29,9 @@ glib::wrapper! {
 unsafe impl Send for AggregatorPad {}
 unsafe impl Sync for AggregatorPad {}
 
-pub const NONE_AGGREGATOR_PAD: Option<&AggregatorPad> = None;
+impl AggregatorPad {
+    pub const NONE: Option<&'static AggregatorPad> = None;
+}
 
 pub trait AggregatorPadExt: 'static {
     #[doc(alias = "gst_aggregator_pad_drop_buffer")]

gstreamer-base/src/auto/base_parse.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for BaseParse {}
 unsafe impl Sync for BaseParse {}
 
-pub const NONE_BASE_PARSE: Option<&BaseParse> = None;
+impl BaseParse {
+    pub const NONE: Option<&'static BaseParse> = None;
+}
 
 pub trait BaseParseExt: 'static {
     #[doc(alias = "gst_base_parse_add_index_entry")]

gstreamer-base/src/auto/base_sink.rs

@@ -26,7 +26,9 @@ glib::wrapper! {
 unsafe impl Send for BaseSink {}
 unsafe impl Sync for BaseSink {}
 
-pub const NONE_BASE_SINK: Option<&BaseSink> = None;
+impl BaseSink {
+    pub const NONE: Option<&'static BaseSink> = None;
+}
 
 pub trait BaseSinkExt: 'static {
     //#[doc(alias = "gst_base_sink_do_preroll")]

gstreamer-base/src/auto/base_src.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for BaseSrc {}
 unsafe impl Sync for BaseSrc {}
 
-pub const NONE_BASE_SRC: Option<&BaseSrc> = None;
+impl BaseSrc {
+    pub const NONE: Option<&'static BaseSrc> = None;
+}
 
 pub trait BaseSrcExt: 'static {
     #[doc(alias = "gst_base_src_get_blocksize")]

gstreamer-base/src/auto/base_transform.rs

@@ -25,7 +25,9 @@ glib::wrapper! {
 unsafe impl Send for BaseTransform {}
 unsafe impl Sync for BaseTransform {}
 
-pub const NONE_BASE_TRANSFORM: Option<&BaseTransform> = None;
+impl BaseTransform {
+    pub const NONE: Option<&'static BaseTransform> = None;
+}
 
 pub trait BaseTransformExt: 'static {
     #[doc(alias = "gst_base_transform_get_buffer_pool")]

gstreamer-base/src/auto/mod.rs

@@ -11,29 +11,29 @@ pub use self::adapter::Adapter;
 mod aggregator;
 #[cfg(any(feature = "v1_14", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-pub use self::aggregator::{Aggregator, NONE_AGGREGATOR};
+pub use self::aggregator::Aggregator;
 
 #[cfg(any(feature = "v1_14", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
 mod aggregator_pad;
 #[cfg(any(feature = "v1_14", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-pub use self::aggregator_pad::{AggregatorPad, NONE_AGGREGATOR_PAD};
+pub use self::aggregator_pad::AggregatorPad;
 
 mod base_parse;
-pub use self::base_parse::{BaseParse, NONE_BASE_PARSE};
+pub use self::base_parse::BaseParse;
 
 mod base_sink;
-pub use self::base_sink::{BaseSink, NONE_BASE_SINK};
+pub use self::base_sink::BaseSink;
 
 mod base_src;
-pub use self::base_src::{BaseSrc, NONE_BASE_SRC};
+pub use self::base_src::BaseSrc;
 
 mod base_transform;
-pub use self::base_transform::{BaseTransform, NONE_BASE_TRANSFORM};
+pub use self::base_transform::BaseTransform;
 
 mod push_src;
-pub use self::push_src::{PushSrc, NONE_PUSH_SRC};
+pub use self::push_src::PushSrc;
 
 mod enums;
 #[cfg(any(feature = "v1_18", feature = "dox"))]

gstreamer-base/src/auto/push_src.rs

@@ -19,4 +19,6 @@ impl PushSrc {}
 unsafe impl Send for PushSrc {}
 unsafe impl Sync for PushSrc {}
 
-pub const NONE_PUSH_SRC: Option<&PushSrc> = None;
+impl PushSrc {
+    pub const NONE: Option<&'static PushSrc> = None;
+}

gstreamer-base/src/auto/versions.txt

@@ -1,3 +1,3 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)

gstreamer-base/sys/build.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-base/sys/src/lib.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-base/sys/tests/abi.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-base/sys/tests/constant.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-base/sys/tests/layout.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-check/src/auto/versions.txt

@@ -1,3 +1,3 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)

gstreamer-check/sys/build.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-check/sys/src/lib.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-check/sys/tests/abi.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-check/sys/tests/constant.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-check/sys/tests/layout.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-controller/src/auto/argb_control_binding.rs

@@ -50,7 +50,9 @@ impl ARGBControlBinding {
 unsafe impl Send for ARGBControlBinding {}
 unsafe impl Sync for ARGBControlBinding {}
 
-pub const NONE_ARGB_CONTROL_BINDING: Option<&ARGBControlBinding> = None;
+impl ARGBControlBinding {
+    pub const NONE: Option<&'static ARGBControlBinding> = None;
+}
 
 pub trait ARGBControlBindingExt: 'static {
     #[doc(alias = "control-source-a")]

gstreamer-controller/src/auto/direct_control_binding.rs

@@ -61,7 +61,9 @@ impl DirectControlBinding {
 unsafe impl Send for DirectControlBinding {}
 unsafe impl Sync for DirectControlBinding {}
 
-pub const NONE_DIRECT_CONTROL_BINDING: Option<&DirectControlBinding> = None;
+impl DirectControlBinding {
+    pub const NONE: Option<&'static DirectControlBinding> = None;
+}
 
 pub trait DirectControlBindingExt: 'static {
     fn is_absolute(&self) -> bool;

gstreamer-controller/src/auto/interpolation_control_source.rs

@@ -44,7 +44,9 @@ impl Default for InterpolationControlSource {
 unsafe impl Send for InterpolationControlSource {}
 unsafe impl Sync for InterpolationControlSource {}
 
-pub const NONE_INTERPOLATION_CONTROL_SOURCE: Option<&InterpolationControlSource> = None;
+impl InterpolationControlSource {
+    pub const NONE: Option<&'static InterpolationControlSource> = None;
+}
 
 pub trait InterpolationControlSourceExt: 'static {
     fn mode(&self) -> InterpolationMode;

gstreamer-controller/src/auto/lfo_control_source.rs

@@ -42,7 +42,9 @@ impl Default for LFOControlSource {
 unsafe impl Send for LFOControlSource {}
 unsafe impl Sync for LFOControlSource {}
 
-pub const NONE_LFO_CONTROL_SOURCE: Option<&LFOControlSource> = None;
+impl LFOControlSource {
+    pub const NONE: Option<&'static LFOControlSource> = None;
+}
 
 pub trait LFOControlSourceExt: 'static {
     fn amplitude(&self) -> f64;

gstreamer-controller/src/auto/mod.rs

@@ -4,33 +4,29 @@
 // DO NOT EDIT
 
 mod argb_control_binding;
-pub use self::argb_control_binding::{ARGBControlBinding, NONE_ARGB_CONTROL_BINDING};
+pub use self::argb_control_binding::ARGBControlBinding;
 
 mod direct_control_binding;
-pub use self::direct_control_binding::{DirectControlBinding, NONE_DIRECT_CONTROL_BINDING};
+pub use self::direct_control_binding::DirectControlBinding;
 
 mod interpolation_control_source;
-pub use self::interpolation_control_source::{
+pub use self::interpolation_control_source::InterpolationControlSource;
-    InterpolationControlSource, NONE_INTERPOLATION_CONTROL_SOURCE,
-};
 
 mod lfo_control_source;
-pub use self::lfo_control_source::{LFOControlSource, NONE_LFO_CONTROL_SOURCE};
+pub use self::lfo_control_source::LFOControlSource;
 
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
 mod proxy_control_binding;
 #[cfg(any(feature = "v1_12", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_12")))]
-pub use self::proxy_control_binding::{ProxyControlBinding, NONE_PROXY_CONTROL_BINDING};
+pub use self::proxy_control_binding::ProxyControlBinding;
 
 mod timed_value_control_source;
-pub use self::timed_value_control_source::{
+pub use self::timed_value_control_source::TimedValueControlSource;
-    TimedValueControlSource, NONE_TIMED_VALUE_CONTROL_SOURCE,
-};
 
 mod trigger_control_source;
-pub use self::trigger_control_source::{TriggerControlSource, NONE_TRIGGER_CONTROL_SOURCE};
+pub use self::trigger_control_source::TriggerControlSource;
 
 mod enums;
 pub use self::enums::InterpolationMode;

gstreamer-controller/src/auto/proxy_control_binding.rs

@@ -40,4 +40,6 @@ impl ProxyControlBinding {
 unsafe impl Send for ProxyControlBinding {}
 unsafe impl Sync for ProxyControlBinding {}
 
-pub const NONE_PROXY_CONTROL_BINDING: Option<&ProxyControlBinding> = None;
+impl ProxyControlBinding {
+    pub const NONE: Option<&'static ProxyControlBinding> = None;
+}

gstreamer-controller/src/auto/timed_value_control_source.rs

@@ -24,7 +24,9 @@ glib::wrapper! {
 unsafe impl Send for TimedValueControlSource {}
 unsafe impl Sync for TimedValueControlSource {}
 
-pub const NONE_TIMED_VALUE_CONTROL_SOURCE: Option<&TimedValueControlSource> = None;
+impl TimedValueControlSource {
+    pub const NONE: Option<&'static TimedValueControlSource> = None;
+}
 
 pub trait TimedValueControlSourceExt: 'static {
     //#[doc(alias = "gst_timed_value_control_source_find_control_point_iter")]

gstreamer-controller/src/auto/trigger_control_source.rs

@@ -42,7 +42,9 @@ impl Default for TriggerControlSource {
 unsafe impl Send for TriggerControlSource {}
 unsafe impl Sync for TriggerControlSource {}
 
-pub const NONE_TRIGGER_CONTROL_SOURCE: Option<&TriggerControlSource> = None;
+impl TriggerControlSource {
+    pub const NONE: Option<&'static TriggerControlSource> = None;
+}
 
 pub trait TriggerControlSourceExt: 'static {
     fn tolerance(&self) -> i64;

gstreamer-controller/src/auto/versions.txt

@@ -1,3 +1,3 @@
-Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)

gstreamer-controller/sys/build.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-controller/sys/src/lib.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-controller/sys/tests/abi.rs

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-controller/sys/tests/constant.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-controller/sys/tests/layout.c

@@ -1,4 +1,4 @@
-// Generated by gir (https://github.com/gtk-rs/gir @ 7b93dbf37ad7)
+// Generated by gir (https://github.com/gtk-rs/gir @ e0b1709803a7)
 // from gir-files (https://github.com/gtk-rs/gir-files @ b827978e7d18)
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git @ f8c393377c4e)
 // DO NOT EDIT

gstreamer-editing-services/src/auto/asset.rs

@@ -114,7 +114,9 @@ impl Asset {
     }
 }
 
-pub const NONE_ASSET: Option<&Asset> = None;
+impl Asset {
+    pub const NONE: Option<&'static Asset> = None;
+}
 
 pub trait AssetExt: 'static {
     #[doc(alias = "ges_asset_extract")]

gstreamer-editing-services/src/auto/audio_source.rs

@@ -20,4 +20,6 @@ glib::wrapper! {
 
 impl AudioSource {}
 
-pub const NONE_AUDIO_SOURCE: Option<&AudioSource> = None;
+impl AudioSource {
+    pub const NONE: Option<&'static AudioSource> = None;
+}

gstreamer-editing-services/src/auto/audio_test_source.rs

@@ -21,7 +21,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_AUDIO_TEST_SOURCE: Option<&AudioTestSource> = None;
+impl AudioTestSource {
+    pub const NONE: Option<&'static AudioTestSource> = None;
+}
 
 pub trait AudioTestSourceExt: 'static {
     #[doc(alias = "ges_audio_test_source_get_freq")]

gstreamer-editing-services/src/auto/audio_track.rs

@@ -30,4 +30,6 @@ impl Default for AudioTrack {
     }
 }
 
-pub const NONE_AUDIO_TRACK: Option<&AudioTrack> = None;
+impl AudioTrack {
+    pub const NONE: Option<&'static AudioTrack> = None;
+}

gstreamer-editing-services/src/auto/audio_transition.rs

@@ -35,4 +35,6 @@ impl Default for AudioTransition {
     }
 }
 
-pub const NONE_AUDIO_TRANSITION: Option<&AudioTransition> = None;
+impl AudioTransition {
+    pub const NONE: Option<&'static AudioTransition> = None;
+}

gstreamer-editing-services/src/auto/audio_uri_source.rs

@@ -22,7 +22,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_AUDIO_URI_SOURCE: Option<&AudioUriSource> = None;
+impl AudioUriSource {
+    pub const NONE: Option<&'static AudioUriSource> = None;
+}
 
 pub trait AudioUriSourceExt: 'static {
     fn uri(&self) -> Option<glib::GString>;

gstreamer-editing-services/src/auto/base_effect.rs

@@ -22,7 +22,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_BASE_EFFECT: Option<&BaseEffect> = None;
+impl BaseEffect {
+    pub const NONE: Option<&'static BaseEffect> = None;
+}
 
 pub trait BaseEffectExt: 'static {
     #[cfg(any(feature = "v1_18", feature = "dox"))]

gstreamer-editing-services/src/auto/base_effect_clip.rs

@@ -21,4 +21,6 @@ glib::wrapper! {
 
 impl BaseEffectClip {}
 
-pub const NONE_BASE_EFFECT_CLIP: Option<&BaseEffectClip> = None;
+impl BaseEffectClip {
+    pub const NONE: Option<&'static BaseEffectClip> = None;
+}

gstreamer-editing-services/src/auto/base_transition_clip.rs

@@ -21,4 +21,6 @@ glib::wrapper! {
 
 impl BaseTransitionClip {}
 
-pub const NONE_BASE_TRANSITION_CLIP: Option<&BaseTransitionClip> = None;
+impl BaseTransitionClip {
+    pub const NONE: Option<&'static BaseTransitionClip> = None;
+}

gstreamer-editing-services/src/auto/base_xml_formatter.rs

@@ -17,4 +17,6 @@ glib::wrapper! {
 
 impl BaseXmlFormatter {}
 
-pub const NONE_BASE_XML_FORMATTER: Option<&BaseXmlFormatter> = None;
+impl BaseXmlFormatter {
+    pub const NONE: Option<&'static BaseXmlFormatter> = None;
+}

gstreamer-editing-services/src/auto/clip.rs

@@ -36,7 +36,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_CLIP: Option<&Clip> = None;
+impl Clip {
+    pub const NONE: Option<&'static Clip> = None;
+}
 
 pub trait ClipExt: 'static {
     #[doc(alias = "ges_clip_add_asset")]

gstreamer-editing-services/src/auto/clip_asset.rs

@@ -29,7 +29,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_CLIP_ASSET: Option<&ClipAsset> = None;
+impl ClipAsset {
+    pub const NONE: Option<&'static ClipAsset> = None;
+}
 
 pub trait ClipAssetExt: 'static {
     #[cfg(any(feature = "v1_18", feature = "dox"))]

gstreamer-editing-services/src/auto/command_line_formatter.rs

@@ -54,4 +54,6 @@ impl CommandLineFormatter {
     }
 }
 
-pub const NONE_COMMAND_LINE_FORMATTER: Option<&CommandLineFormatter> = None;
+impl CommandLineFormatter {
+    pub const NONE: Option<&'static CommandLineFormatter> = None;
+}

gstreamer-editing-services/src/auto/container.rs

@@ -35,7 +35,9 @@ impl Container {
     }
 }
 
-pub const NONE_CONTAINER: Option<&Container> = None;
+impl Container {
+    pub const NONE: Option<&'static Container> = None;
+}
 
 pub trait GESContainerExt: 'static {
     #[doc(alias = "ges_container_add")]

gstreamer-editing-services/src/auto/effect.rs

@@ -33,7 +33,9 @@ impl Effect {
     }
 }
 
-pub const NONE_EFFECT: Option<&Effect> = None;
+impl Effect {
+    pub const NONE: Option<&'static Effect> = None;
+}
 
 pub trait EffectExt: 'static {
     #[doc(alias = "bin-description")]

gstreamer-editing-services/src/auto/effect_asset.rs

@@ -18,4 +18,6 @@ glib::wrapper! {
 
 impl EffectAsset {}
 
-pub const NONE_EFFECT_ASSET: Option<&EffectAsset> = None;
+impl EffectAsset {
+    pub const NONE: Option<&'static EffectAsset> = None;
+}

gstreamer-editing-services/src/auto/effect_clip.rs

@@ -39,7 +39,9 @@ impl EffectClip {
     }
 }
 
-pub const NONE_EFFECT_CLIP: Option<&EffectClip> = None;
+impl EffectClip {
+    pub const NONE: Option<&'static EffectClip> = None;
+}
 
 pub trait EffectClipExt: 'static {
     #[doc(alias = "audio-bin-description")]

gstreamer-editing-services/src/auto/extractable.rs

@@ -16,7 +16,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_EXTRACTABLE: Option<&Extractable> = None;
+impl Extractable {
+    pub const NONE: Option<&'static Extractable> = None;
+}
 
 pub trait ExtractableExt: 'static {
     #[doc(alias = "ges_extractable_get_asset")]

gstreamer-editing-services/src/auto/formatter.rs

@@ -56,7 +56,9 @@ impl Formatter {
     }
 }
 
-pub const NONE_FORMATTER: Option<&Formatter> = None;
+impl Formatter {
+    pub const NONE: Option<&'static Formatter> = None;
+}
 
 pub trait FormatterExt: 'static {
     #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]

gstreamer-editing-services/src/auto/group.rs

@@ -40,7 +40,9 @@ impl Default for Group {
     }
 }
 
-pub const NONE_GROUP: Option<&Group> = None;
+impl Group {
+    pub const NONE: Option<&'static Group> = None;
+}
 
 pub trait GroupExt: 'static {
     fn duration(&self) -> u64;

gstreamer-editing-services/src/auto/image_source.rs

@@ -22,7 +22,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_IMAGE_SOURCE: Option<&ImageSource> = None;
+impl ImageSource {
+    pub const NONE: Option<&'static ImageSource> = None;
+}
 
 pub trait ImageSourceExt: 'static {
     fn uri(&self) -> Option<glib::GString>;

gstreamer-editing-services/src/auto/layer.rs

@@ -46,7 +46,9 @@ impl Default for Layer {
     }
 }
 
-pub const NONE_LAYER: Option<&Layer> = None;
+impl Layer {
+    pub const NONE: Option<&'static Layer> = None;
+}
 
 pub trait LayerExt: 'static {
     #[doc(alias = "ges_layer_add_asset")]

gstreamer-editing-services/src/auto/meta_container.rs

@@ -26,7 +26,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_META_CONTAINER: Option<&MetaContainer> = None;
+impl MetaContainer {
+    pub const NONE: Option<&'static MetaContainer> = None;
+}
 
 pub trait MetaContainerExt: 'static {
     #[doc(alias = "ges_meta_container_add_metas_from_string")]

gstreamer-editing-services/src/auto/mod.rs

@@ -4,72 +4,72 @@
 // DO NOT EDIT
 
 mod asset;
-pub use self::asset::{Asset, NONE_ASSET};
+pub use self::asset::Asset;
 
 mod audio_source;
-pub use self::audio_source::{AudioSource, NONE_AUDIO_SOURCE};
+pub use self::audio_source::AudioSource;
 
 mod audio_test_source;
-pub use self::audio_test_source::{AudioTestSource, NONE_AUDIO_TEST_SOURCE};
+pub use self::audio_test_source::AudioTestSource;
 
 mod audio_track;
-pub use self::audio_track::{AudioTrack, NONE_AUDIO_TRACK};
+pub use self::audio_track::AudioTrack;
 
 mod audio_transition;
-pub use self::audio_transition::{AudioTransition, NONE_AUDIO_TRANSITION};
+pub use self::audio_transition::AudioTransition;
 
 mod audio_uri_source;
-pub use self::audio_uri_source::{AudioUriSource, NONE_AUDIO_URI_SOURCE};
+pub use self::audio_uri_source::AudioUriSource;
 
 mod base_effect;
-pub use self::base_effect::{BaseEffect, NONE_BASE_EFFECT};
+pub use self::base_effect::BaseEffect;
 
 mod base_effect_clip;
-pub use self::base_effect_clip::{BaseEffectClip, NONE_BASE_EFFECT_CLIP};
+pub use self::base_effect_clip::BaseEffectClip;
 
 mod base_transition_clip;
-pub use self::base_transition_clip::{BaseTransitionClip, NONE_BASE_TRANSITION_CLIP};
+pub use self::base_transition_clip::BaseTransitionClip;
 
 mod base_xml_formatter;
-pub use self::base_xml_formatter::{BaseXmlFormatter, NONE_BASE_XML_FORMATTER};
+pub use self::base_xml_formatter::BaseXmlFormatter;
 
 mod clip;
-pub use self::clip::{Clip, NONE_CLIP};
+pub use self::clip::Clip;
 
 mod clip_asset;
-pub use self::clip_asset::{ClipAsset, NONE_CLIP_ASSET};
+pub use self::clip_asset::ClipAsset;
 
 mod command_line_formatter;
-pub use self::command_line_formatter::{CommandLineFormatter, NONE_COMMAND_LINE_FORMATTER};
+pub use self::command_line_formatter::CommandLineFormatter;
 
 mod container;
-pub use self::container::{Container, NONE_CONTAINER};
+pub use self::container::Container;
 
 mod effect;
-pub use self::effect::{Effect, NONE_EFFECT};
+pub use self::effect::Effect;
 
 mod effect_asset;
-pub use self::effect_asset::{EffectAsset, NONE_EFFECT_ASSET};
+pub use self::effect_asset::EffectAsset;
 
 mod effect_clip;
-pub use self::effect_clip::{EffectClip, NONE_EFFECT_CLIP};
+pub use self::effect_clip::EffectClip;
 
 mod extractable;
-pub use self::extractable::{Extractable, NONE_EXTRACTABLE};
+pub use self::extractable::Extractable;
 
 mod formatter;
-pub use self::formatter::{Formatter, NONE_FORMATTER};
+pub use self::formatter::Formatter;
 
 mod group;
-pub use self::group::{Group, NONE_GROUP};
+pub use self::group::Group;
 
 #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]
 mod image_source;
 #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]
-pub use self::image_source::{ImageSource, NONE_IMAGE_SOURCE};
+pub use self::image_source::ImageSource;
 
 mod layer;
-pub use self::layer::{Layer, NONE_LAYER};
+pub use self::layer::Layer;
 
 #[cfg(any(feature = "v1_18", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
@@ -86,103 +86,103 @@ mod marker_list;
 pub use self::marker_list::MarkerList;
 
 mod meta_container;
-pub use self::meta_container::{MetaContainer, NONE_META_CONTAINER};
+pub use self::meta_container::MetaContainer;
 
 #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]
 mod multi_file_source;
 #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]
-pub use self::multi_file_source::{MultiFileSource, NONE_MULTI_FILE_SOURCE};
+pub use self::multi_file_source::MultiFileSource;
 
 mod operation;
-pub use self::operation::{Operation, NONE_OPERATION};
+pub use self::operation::Operation;
 
 mod operation_clip;
-pub use self::operation_clip::{OperationClip, NONE_OPERATION_CLIP};
+pub use self::operation_clip::OperationClip;
 
 mod overlay_clip;
-pub use self::overlay_clip::{OverlayClip, NONE_OVERLAY_CLIP};
+pub use self::overlay_clip::OverlayClip;
 
 mod pipeline;
-pub use self::pipeline::{Pipeline, NONE_PIPELINE};
+pub use self::pipeline::Pipeline;
 
 mod project;
-pub use self::project::{Project, NONE_PROJECT};
+pub use self::project::Project;
 
 mod source;
-pub use self::source::{Source, NONE_SOURCE};
+pub use self::source::Source;
 
 mod source_clip;
-pub use self::source_clip::{SourceClip, NONE_SOURCE_CLIP};
+pub use self::source_clip::SourceClip;
 
 #[cfg(any(feature = "v1_18", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
 mod source_clip_asset;
 #[cfg(any(feature = "v1_18", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
-pub use self::source_clip_asset::{SourceClipAsset, NONE_SOURCE_CLIP_ASSET};
+pub use self::source_clip_asset::SourceClipAsset;
 
 mod test_clip;
-pub use self::test_clip::{TestClip, NONE_TEST_CLIP};
+pub use self::test_clip::TestClip;
 
 mod text_overlay;
-pub use self::text_overlay::{TextOverlay, NONE_TEXT_OVERLAY};
+pub use self::text_overlay::TextOverlay;
 
 mod text_overlay_clip;
-pub use self::text_overlay_clip::{TextOverlayClip, NONE_TEXT_OVERLAY_CLIP};
+pub use self::text_overlay_clip::TextOverlayClip;
 
 mod timeline;
-pub use self::timeline::{Timeline, NONE_TIMELINE};
+pub use self::timeline::Timeline;
 
 mod timeline_element;
-pub use self::timeline_element::{TimelineElement, NONE_TIMELINE_ELEMENT};
+pub use self::timeline_element::TimelineElement;
 
 mod title_clip;
-pub use self::title_clip::{TitleClip, NONE_TITLE_CLIP};
+pub use self::title_clip::TitleClip;
 
 mod title_source;
-pub use self::title_source::{TitleSource, NONE_TITLE_SOURCE};
+pub use self::title_source::TitleSource;
 
 mod track;
-pub use self::track::{Track, NONE_TRACK};
+pub use self::track::Track;
 
 mod track_element;
-pub use self::track_element::{TrackElement, NONE_TRACK_ELEMENT};
+pub use self::track_element::TrackElement;
 
 mod track_element_asset;
-pub use self::track_element_asset::{TrackElementAsset, NONE_TRACK_ELEMENT_ASSET};
+pub use self::track_element_asset::TrackElementAsset;
 
 mod transition;
-pub use self::transition::{Transition, NONE_TRANSITION};
+pub use self::transition::Transition;
 
 mod transition_clip;
-pub use self::transition_clip::{TransitionClip, NONE_TRANSITION_CLIP};
+pub use self::transition_clip::TransitionClip;
 
 mod uri_clip;
-pub use self::uri_clip::{UriClip, NONE_URI_CLIP};
+pub use self::uri_clip::UriClip;
 
 mod uri_clip_asset;
-pub use self::uri_clip_asset::{UriClipAsset, NONE_URI_CLIP_ASSET};
+pub use self::uri_clip_asset::UriClipAsset;
 
 mod uri_source_asset;
-pub use self::uri_source_asset::{UriSourceAsset, NONE_URI_SOURCE_ASSET};
+pub use self::uri_source_asset::UriSourceAsset;
 
 mod video_source;
-pub use self::video_source::{VideoSource, NONE_VIDEO_SOURCE};
+pub use self::video_source::VideoSource;
 
 mod video_test_source;
-pub use self::video_test_source::{VideoTestSource, NONE_VIDEO_TEST_SOURCE};
+pub use self::video_test_source::VideoTestSource;
 
 mod video_track;
-pub use self::video_track::{VideoTrack, NONE_VIDEO_TRACK};
+pub use self::video_track::VideoTrack;
 
 mod video_transition;
-pub use self::video_transition::{VideoTransition, NONE_VIDEO_TRANSITION};
+pub use self::video_transition::VideoTransition;
 
 mod video_uri_source;
-pub use self::video_uri_source::{VideoUriSource, NONE_VIDEO_URI_SOURCE};
+pub use self::video_uri_source::VideoUriSource;
 
 mod xml_formatter;
-pub use self::xml_formatter::{XmlFormatter, NONE_XML_FORMATTER};
+pub use self::xml_formatter::XmlFormatter;
 
 mod enums;
 pub use self::enums::AssetLoadingReturn;

gstreamer-editing-services/src/auto/multi_file_source.rs

@@ -30,7 +30,9 @@ impl MultiFileSource {
     }
 }
 
-pub const NONE_MULTI_FILE_SOURCE: Option<&MultiFileSource> = None;
+impl MultiFileSource {
+    pub const NONE: Option<&'static MultiFileSource> = None;
+}
 
 pub trait MultiFileSourceExt: 'static {
     fn uri(&self) -> Option<glib::GString>;

gstreamer-editing-services/src/auto/operation.rs

@@ -19,4 +19,6 @@ glib::wrapper! {
 
 impl Operation {}
 
-pub const NONE_OPERATION: Option<&Operation> = None;
+impl Operation {
+    pub const NONE: Option<&'static Operation> = None;
+}

gstreamer-editing-services/src/auto/operation_clip.rs

@@ -20,4 +20,6 @@ glib::wrapper! {
 
 impl OperationClip {}
 
-pub const NONE_OPERATION_CLIP: Option<&OperationClip> = None;
+impl OperationClip {
+    pub const NONE: Option<&'static OperationClip> = None;
+}

gstreamer-editing-services/src/auto/overlay_clip.rs

@@ -21,4 +21,6 @@ glib::wrapper! {
 
 impl OverlayClip {}
 
-pub const NONE_OVERLAY_CLIP: Option<&OverlayClip> = None;
+impl OverlayClip {
+    pub const NONE: Option<&'static OverlayClip> = None;
+}

gstreamer-editing-services/src/auto/pipeline.rs

@@ -39,7 +39,9 @@ impl Default for Pipeline {
     }
 }
 
-pub const NONE_PIPELINE: Option<&Pipeline> = None;
+impl Pipeline {
+    pub const NONE: Option<&'static Pipeline> = None;
+}
 
 pub trait GESPipelineExt: 'static {
     #[doc(alias = "ges_pipeline_get_mode")]

gstreamer-editing-services/src/auto/project.rs

@@ -35,7 +35,9 @@ impl Project {
     }
 }
 
-pub const NONE_PROJECT: Option<&Project> = None;
+impl Project {
+    pub const NONE: Option<&'static Project> = None;
+}
 
 pub trait ProjectExt: 'static {
     #[doc(alias = "ges_project_add_asset")]

gstreamer-editing-services/src/auto/source.rs

@@ -19,4 +19,6 @@ glib::wrapper! {
 
 impl Source {}
 
-pub const NONE_SOURCE: Option<&Source> = None;
+impl Source {
+    pub const NONE: Option<&'static Source> = None;
+}

gstreamer-editing-services/src/auto/source_clip.rs

@@ -31,4 +31,6 @@ impl SourceClip {
     }
 }
 
-pub const NONE_SOURCE_CLIP: Option<&SourceClip> = None;
+impl SourceClip {
+    pub const NONE: Option<&'static SourceClip> = None;
+}

gstreamer-editing-services/src/auto/source_clip_asset.rs

@@ -18,4 +18,6 @@ glib::wrapper! {
 
 impl SourceClipAsset {}
 
-pub const NONE_SOURCE_CLIP_ASSET: Option<&SourceClipAsset> = None;
+impl SourceClipAsset {
+    pub const NONE: Option<&'static SourceClipAsset> = None;
+}

gstreamer-editing-services/src/auto/test_clip.rs

@@ -44,7 +44,9 @@ impl TestClip {
     }
 }
 
-pub const NONE_TEST_CLIP: Option<&TestClip> = None;
+impl TestClip {
+    pub const NONE: Option<&'static TestClip> = None;
+}
 
 pub trait TestClipExt: 'static {
     #[doc(alias = "ges_test_clip_get_frequency")]

gstreamer-editing-services/src/auto/text_overlay.rs

@@ -31,7 +31,9 @@ impl TextOverlay {
     }
 }
 
-pub const NONE_TEXT_OVERLAY: Option<&TextOverlay> = None;
+impl TextOverlay {
+    pub const NONE: Option<&'static TextOverlay> = None;
+}
 
 pub trait TextOverlayExt: 'static {
     #[doc(alias = "ges_text_overlay_get_color")]

gstreamer-editing-services/src/auto/text_overlay_clip.rs

@@ -38,7 +38,9 @@ impl TextOverlayClip {
     }
 }
 
-pub const NONE_TEXT_OVERLAY_CLIP: Option<&TextOverlayClip> = None;
+impl TextOverlayClip {
+    pub const NONE: Option<&'static TextOverlayClip> = None;
+}
 
 pub trait TextOverlayClipExt: 'static {
     #[doc(alias = "ges_text_overlay_clip_get_color")]

gstreamer-editing-services/src/auto/timeline.rs

@@ -70,7 +70,9 @@ impl Default for Timeline {
     }
 }
 
-pub const NONE_TIMELINE: Option<&Timeline> = None;
+impl Timeline {
+    pub const NONE: Option<&'static Timeline> = None;
+}
 
 pub trait TimelineExt: 'static {
     #[cfg_attr(feature = "v1_18", deprecated = "Since 1.18")]

gstreamer-editing-services/src/auto/timeline_element.rs

@@ -41,7 +41,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_TIMELINE_ELEMENT: Option<&TimelineElement> = None;
+impl TimelineElement {
+    pub const NONE: Option<&'static TimelineElement> = None;
+}
 
 pub trait TimelineElementExt: 'static {
     //#[doc(alias = "ges_timeline_element_add_child_property")]

gstreamer-editing-services/src/auto/title_clip.rs

@@ -37,7 +37,9 @@ impl TitleClip {
     }
 }
 
-pub const NONE_TITLE_CLIP: Option<&TitleClip> = None;
+impl TitleClip {
+    pub const NONE: Option<&'static TitleClip> = None;
+}
 
 pub trait TitleClipExt: 'static {
     #[deprecated = "Since 1.6"]

gstreamer-editing-services/src/auto/title_source.rs

@@ -23,7 +23,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_TITLE_SOURCE: Option<&TitleSource> = None;
+impl TitleSource {
+    pub const NONE: Option<&'static TitleSource> = None;
+}
 
 pub trait TitleSourceExt: 'static {
     #[doc(alias = "ges_title_source_get_background_color")]

gstreamer-editing-services/src/auto/track.rs

@@ -39,7 +39,9 @@ impl Track {
     }
 }
 
-pub const NONE_TRACK: Option<&Track> = None;
+impl Track {
+    pub const NONE: Option<&'static Track> = None;
+}
 
 pub trait GESTrackExt: 'static {
     #[doc(alias = "ges_track_add_element")]

gstreamer-editing-services/src/auto/track_element.rs

@@ -28,7 +28,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_TRACK_ELEMENT: Option<&TrackElement> = None;
+impl TrackElement {
+    pub const NONE: Option<&'static TrackElement> = None;
+}
 
 pub trait TrackElementExt: 'static {
     #[doc(alias = "ges_track_element_add_children_props")]

gstreamer-editing-services/src/auto/track_element_asset.rs

@@ -26,7 +26,9 @@ glib::wrapper! {
     }
 }
 
-pub const NONE_TRACK_ELEMENT_ASSET: Option<&TrackElementAsset> = None;
+impl TrackElementAsset {
+    pub const NONE: Option<&'static TrackElementAsset> = None;
+}
 
 pub trait TrackElementAssetExt: 'static {
     #[cfg(any(feature = "v1_18", feature = "dox"))]

gstreamer-editing-services/src/auto/transition.rs

@@ -20,4 +20,6 @@ glib::wrapper! {
 
 impl Transition {}
 
-pub const NONE_TRANSITION: Option<&Transition> = None;
+impl Transition {
+    pub const NONE: Option<&'static Transition> = None;
+}

gstreamer-editing-services/src/auto/transition_clip.rs

@@ -45,7 +45,9 @@ impl TransitionClip {
     }
 }
 
-pub const NONE_TRANSITION_CLIP: Option<&TransitionClip> = None;
+impl TransitionClip {
+    pub const NONE: Option<&'static TransitionClip> = None;
+}
 
 pub trait TransitionClipExt: 'static {
     fn vtype(&self) -> VideoStandardTransitionType;

gstreamer-editing-services/src/auto/uri_clip.rs

@@ -37,7 +37,9 @@ impl UriClip {
     }
 }
 
-pub const NONE_URI_CLIP: Option<&UriClip> = None;
+impl UriClip {
+    pub const NONE: Option<&'static UriClip> = None;
+}
 
 pub trait UriClipExt: 'static {
     #[doc(alias = "ges_uri_clip_get_uri")]