video: Add bindings for VideoAggregator

gstreamer-video/Gir.toml

@@ -24,6 +24,7 @@ generate = [
     "GstVideo.NavigationQueryType",
     "GstVideo.VideoAFDSpec",
     "GstVideo.VideoAFDValue",
+    "GstVideo.VideoAggregator",
     "GstVideo.VideoAggregatorParallelConvertPad",
     "GstVideo.VideoAlphaMode",
     "GstVideo.VideoBufferPool",
@@ -59,10 +60,13 @@ manual = [
     "Gst.Memory",
     "Gst.Message",
     "Gst.Object",
+    "Gst.Pad",
     "Gst.Pipeline",
     "Gst.State",
     "Gst.TagList",
     "Gst.TagMergeMode",
+    "GstBase.Aggregator",
+    "GstBase.AggregatorPad",
     "GstBase.BaseSink",
     "GstBase.BaseTransform",
     "GstVideo.VideoCodecFrame",
@@ -236,6 +240,30 @@ status = "generate"
     name = "mouse_scroll"
     version = "1.18"
 
+[[object]]
+name = "GstVideo.VideoAggregatorConvertPad"
+status = "generate"
+    [[object.property]]
+    name = "converter-config"
+    # wrong type
+    manual = true
+
+[[object]]
+name = "GstVideo.VideoAggregatorPad"
+status = "generate"
+    [[object.function]]
+    name = "get_current_buffer"
+    # needs special considerations
+    manual = true
+    [[object.function]]
+    name = "get_prepared_frame"
+    # needs special considerations
+    manual = true
+    [[object.function]]
+    name = "has_current_buffer"
+    # needs special considerations
+    manual = true
+
 [[object]]
 name = "GstVideo.VideoBufferFlags"
 status = "generate"

gstreamer-video/src/auto/mod.rs

@@ -12,6 +12,27 @@ pub use self::color_balance_channel::ColorBalanceChannel;
 mod navigation;
 pub use self::navigation::Navigation;
 
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator;
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+pub use self::video_aggregator::VideoAggregator;
+
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator_convert_pad;
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+pub use self::video_aggregator_convert_pad::VideoAggregatorConvertPad;
+
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator_pad;
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+pub use self::video_aggregator_pad::VideoAggregatorPad;
+
 #[cfg(any(feature = "v1_20", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
 mod video_aggregator_parallel_convert_pad;
@@ -99,6 +120,15 @@ pub mod traits {
     pub use super::color_balance::ColorBalanceExt;
     pub use super::color_balance_channel::ColorBalanceChannelExt;
     pub use super::navigation::NavigationExt;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use super::video_aggregator::VideoAggregatorExt;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use super::video_aggregator_convert_pad::VideoAggregatorConvertPadExt;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use super::video_aggregator_pad::VideoAggregatorPadExt;
     pub use super::video_decoder::VideoDecoderExt;
     pub use super::video_encoder::VideoEncoderExt;
     pub use super::video_orientation::VideoOrientationExt;

gstreamer-video/src/auto/video_aggregator.rs

@@ -0,0 +1,38 @@
+// This file was generated by gir (https://github.com/gtk-rs/gir)
+// from gir-files (https://github.com/gtk-rs/gir-files)
+// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
+// DO NOT EDIT
+
+use glib::object::IsA;
+
+glib::wrapper! {
+    #[doc(alias = "GstVideoAggregator")]
+    pub struct VideoAggregator(Object<ffi::GstVideoAggregator, ffi::GstVideoAggregatorClass>) @extends gst_base::Aggregator, gst::Element, gst::Object;
+
+    match fn {
+        type_ => || ffi::gst_video_aggregator_get_type(),
+    }
+}
+
+impl VideoAggregator {
+    pub const NONE: Option<&'static VideoAggregator> = None;
+}
+
+unsafe impl Send for VideoAggregator {}
+unsafe impl Sync for VideoAggregator {}
+
+pub trait VideoAggregatorExt: 'static {
+    //#[cfg(any(feature = "v1_20", feature = "dox"))]
+    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    //#[doc(alias = "gst_video_aggregator_get_execution_task_pool")]
+    //#[doc(alias = "get_execution_task_pool")]
+    //fn execution_task_pool(&self) -> /*Ignored*/Option<gst::TaskPool>;
+}
+
+impl<O: IsA<VideoAggregator>> VideoAggregatorExt for O {
+    //#[cfg(any(feature = "v1_20", feature = "dox"))]
+    //#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
+    //fn execution_task_pool(&self) -> /*Ignored*/Option<gst::TaskPool> {
+    //    unsafe { TODO: call ffi:gst_video_aggregator_get_execution_task_pool() }
+    //}
+}

gstreamer-video/src/auto/video_aggregator_convert_pad.rs

@@ -0,0 +1,39 @@
+// This file was generated by gir (https://github.com/gtk-rs/gir)
+// from gir-files (https://github.com/gtk-rs/gir-files)
+// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
+// DO NOT EDIT
+
+use crate::VideoAggregatorPad;
+use glib::object::IsA;
+use glib::translate::*;
+
+glib::wrapper! {
+    #[doc(alias = "GstVideoAggregatorConvertPad")]
+    pub struct VideoAggregatorConvertPad(Object<ffi::GstVideoAggregatorConvertPad, ffi::GstVideoAggregatorConvertPadClass>) @extends VideoAggregatorPad, gst_base::AggregatorPad, gst::Pad, gst::Object;
+
+    match fn {
+        type_ => || ffi::gst_video_aggregator_convert_pad_get_type(),
+    }
+}
+
+impl VideoAggregatorConvertPad {
+    pub const NONE: Option<&'static VideoAggregatorConvertPad> = None;
+}
+
+unsafe impl Send for VideoAggregatorConvertPad {}
+unsafe impl Sync for VideoAggregatorConvertPad {}
+
+pub trait VideoAggregatorConvertPadExt: 'static {
+    #[doc(alias = "gst_video_aggregator_convert_pad_update_conversion_info")]
+    fn update_conversion_info(&self);
+}
+
+impl<O: IsA<VideoAggregatorConvertPad>> VideoAggregatorConvertPadExt for O {
+    fn update_conversion_info(&self) {
+        unsafe {
+            ffi::gst_video_aggregator_convert_pad_update_conversion_info(
+                self.as_ref().to_glib_none().0,
+            );
+        }
+    }
+}

gstreamer-video/src/auto/video_aggregator_pad.rs

@@ -0,0 +1,186 @@
+// This file was generated by gir (https://github.com/gtk-rs/gir)
+// from gir-files (https://github.com/gtk-rs/gir-files)
+// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
+// DO NOT EDIT
+
+use glib::object::Cast;
+use glib::object::IsA;
+use glib::signal::connect_raw;
+use glib::signal::SignalHandlerId;
+use glib::translate::*;
+use glib::StaticType;
+use glib::ToValue;
+use std::boxed::Box as Box_;
+use std::mem::transmute;
+
+glib::wrapper! {
+    #[doc(alias = "GstVideoAggregatorPad")]
+    pub struct VideoAggregatorPad(Object<ffi::GstVideoAggregatorPad, ffi::GstVideoAggregatorPadClass>) @extends gst_base::AggregatorPad, gst::Pad, gst::Object;
+
+    match fn {
+        type_ => || ffi::gst_video_aggregator_pad_get_type(),
+    }
+}
+
+impl VideoAggregatorPad {
+    pub const NONE: Option<&'static VideoAggregatorPad> = None;
+}
+
+unsafe impl Send for VideoAggregatorPad {}
+unsafe impl Sync for VideoAggregatorPad {}
+
+pub trait VideoAggregatorPadExt: 'static {
+    #[doc(alias = "gst_video_aggregator_pad_set_needs_alpha")]
+    fn set_needs_alpha(&self, needs_alpha: bool);
+
+    #[doc(alias = "max-last-buffer-repeat")]
+    fn max_last_buffer_repeat(&self) -> u64;
+
+    #[doc(alias = "max-last-buffer-repeat")]
+    fn set_max_last_buffer_repeat(&self, max_last_buffer_repeat: u64);
+
+    #[doc(alias = "repeat-after-eos")]
+    fn is_repeat_after_eos(&self) -> bool;
+
+    #[doc(alias = "repeat-after-eos")]
+    fn set_repeat_after_eos(&self, repeat_after_eos: bool);
+
+    fn zorder(&self) -> u32;
+
+    fn set_zorder(&self, zorder: u32);
+
+    #[doc(alias = "max-last-buffer-repeat")]
+    fn connect_max_last_buffer_repeat_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId;
+
+    #[doc(alias = "repeat-after-eos")]
+    fn connect_repeat_after_eos_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId;
+
+    #[doc(alias = "zorder")]
+    fn connect_zorder_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
+}
+
+impl<O: IsA<VideoAggregatorPad>> VideoAggregatorPadExt for O {
+    fn set_needs_alpha(&self, needs_alpha: bool) {
+        unsafe {
+            ffi::gst_video_aggregator_pad_set_needs_alpha(
+                self.as_ref().to_glib_none().0,
+                needs_alpha.into_glib(),
+            );
+        }
+    }
+
+    fn max_last_buffer_repeat(&self) -> u64 {
+        glib::ObjectExt::property(self.as_ref(), "max-last-buffer-repeat")
+    }
+
+    fn set_max_last_buffer_repeat(&self, max_last_buffer_repeat: u64) {
+        glib::ObjectExt::set_property(
+            self.as_ref(),
+            "max-last-buffer-repeat",
+            &max_last_buffer_repeat,
+        )
+    }
+
+    fn is_repeat_after_eos(&self) -> bool {
+        glib::ObjectExt::property(self.as_ref(), "repeat-after-eos")
+    }
+
+    fn set_repeat_after_eos(&self, repeat_after_eos: bool) {
+        glib::ObjectExt::set_property(self.as_ref(), "repeat-after-eos", &repeat_after_eos)
+    }
+
+    fn zorder(&self) -> u32 {
+        glib::ObjectExt::property(self.as_ref(), "zorder")
+    }
+
+    fn set_zorder(&self, zorder: u32) {
+        glib::ObjectExt::set_property(self.as_ref(), "zorder", &zorder)
+    }
+
+    fn connect_max_last_buffer_repeat_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_max_last_buffer_repeat_trampoline<
+            P: IsA<VideoAggregatorPad>,
+            F: Fn(&P) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstVideoAggregatorPad,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(VideoAggregatorPad::from_glib_borrow(this).unsafe_cast_ref())
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::max-last-buffer-repeat\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_max_last_buffer_repeat_trampoline::<Self, F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+
+    fn connect_repeat_after_eos_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_repeat_after_eos_trampoline<
+            P: IsA<VideoAggregatorPad>,
+            F: Fn(&P) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstVideoAggregatorPad,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(VideoAggregatorPad::from_glib_borrow(this).unsafe_cast_ref())
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::repeat-after-eos\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_repeat_after_eos_trampoline::<Self, F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+
+    fn connect_zorder_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
+        unsafe extern "C" fn notify_zorder_trampoline<
+            P: IsA<VideoAggregatorPad>,
+            F: Fn(&P) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstVideoAggregatorPad,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(VideoAggregatorPad::from_glib_borrow(this).unsafe_cast_ref())
+        }
+        unsafe {
+            let f: Box_<F> = Box_::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::zorder\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_zorder_trampoline::<Self, F> as *const (),
+                )),
+                Box_::into_raw(f),
+            )
+        }
+    }
+}

gstreamer-video/src/auto/video_aggregator_parallel_convert_pad.rs

@@ -3,9 +3,12 @@
 // from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
 // DO NOT EDIT
 
+use crate::VideoAggregatorConvertPad;
+use crate::VideoAggregatorPad;
+
 glib::wrapper! {
     #[doc(alias = "GstVideoAggregatorParallelConvertPad")]
-    pub struct VideoAggregatorParallelConvertPad(Object<ffi::GstVideoAggregatorParallelConvertPad, ffi::GstVideoAggregatorParallelConvertPadClass>) @extends gst::Object;
+    pub struct VideoAggregatorParallelConvertPad(Object<ffi::GstVideoAggregatorParallelConvertPad, ffi::GstVideoAggregatorParallelConvertPadClass>) @extends VideoAggregatorConvertPad, VideoAggregatorPad, gst_base::AggregatorPad, gst::Pad, gst::Object;
 
     match fn {
         type_ => || ffi::gst_video_aggregator_parallel_convert_pad_get_type(),

gstreamer-video/src/lib.rs

@@ -125,6 +125,16 @@ pub use crate::video_hdr::*;
 
 mod color_balance_channel;
 
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator;
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator_convert_pad;
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+mod video_aggregator_pad;
+
 pub const VIDEO_ENCODER_FLOW_NEED_DATA: gst::FlowSuccess = gst::FlowSuccess::CustomSuccess;
 pub const VIDEO_DECODER_FLOW_NEED_DATA: gst::FlowSuccess = gst::FlowSuccess::CustomSuccess;
 
@@ -136,6 +146,15 @@ pub mod prelude {
 
     pub use crate::auto::traits::*;
     pub use crate::navigation::NavigationExtManual;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use crate::video_aggregator::VideoAggregatorExtManual;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use crate::video_aggregator_convert_pad::VideoAggregatorConvertPadExtManual;
+    #[cfg(any(feature = "v1_16", feature = "dox"))]
+    #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+    pub use crate::video_aggregator_pad::VideoAggregatorPadExtManual;
     pub use crate::video_buffer_pool::VideoBufferPoolConfig;
     pub use crate::video_decoder::VideoDecoderExtManual;
     pub use crate::video_encoder::VideoEncoderExtManual;

gstreamer-video/src/subclass/mod.rs

@@ -8,6 +8,10 @@ mod video_encoder;
 mod video_filter;
 mod video_sink;
 
+#[cfg(any(feature = "v1_16", feature = "dox"))]
+#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
+pub use video_aggregator::AggregateFramesToken;
+
 pub mod prelude {
     #[doc(hidden)]
     pub use gst_base::subclass::prelude::*;

gstreamer-video/src/utils.rs

@@ -1,8 +1,35 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
+use glib::translate::mut_override;
+
 pub trait HasStreamLock {
     #[doc(alias = "get_stream_lock")]
     fn stream_lock(&self) -> *mut glib::ffi::GRecMutex;
     #[doc(alias = "get_element_as_ptr")]
     fn element_as_ptr(&self) -> *const gst::ffi::GstElement;
 }
+
+#[must_use = "if unused the Mutex will immediately unlock"]
+#[doc(alias = "GMutex")]
+pub struct MutexGuard<'a>(&'a glib::ffi::GMutex);
+
+impl<'a> MutexGuard<'a> {
+    #[allow(clippy::trivially_copy_pass_by_ref)]
+    #[allow(dead_code)]
+    #[doc(alias = "g_mutex_lock")]
+    pub fn lock(mutex: &'a glib::ffi::GMutex) -> Self {
+        skip_assert_initialized!();
+        unsafe {
+            glib::ffi::g_mutex_lock(mut_override(mutex));
+        }
+        MutexGuard(mutex)
+    }
+}
+
+impl<'a> Drop for MutexGuard<'a> {
+    fn drop(&mut self) {
+        unsafe {
+            glib::ffi::g_mutex_unlock(mut_override(self.0));
+        }
+    }
+}

gstreamer-video/src/video_aggregator.rs

@@ -0,0 +1,26 @@
+use crate::auto::VideoAggregator;
+use glib::object::IsA;
+use glib::translate::*;
+
+pub trait VideoAggregatorExtManual: 'static {
+    fn video_info(&self) -> Option<crate::VideoInfo>;
+}
+
+impl<O: IsA<VideoAggregator>> VideoAggregatorExtManual for O {
+    fn video_info(&self) -> Option<crate::VideoInfo> {
+        unsafe {
+            let ptr = self.as_ptr() as *mut ffi::GstVideoAggregator;
+            let _guard = crate::utils::MutexGuard::lock(&(*(ptr as *mut gst::ffi::GstObject)).lock);
+
+            let info = &(*ptr).info;
+
+            if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
+                return None;
+            }
+
+            Some(from_glib_none(mut_override(
+                info as *const ffi::GstVideoInfo,
+            )))
+        }
+    }
+}

gstreamer-video/src/video_aggregator_convert_pad.rs

@@ -0,0 +1,64 @@
+use crate::auto::VideoAggregatorConvertPad;
+use glib::object::IsA;
+use glib::signal::{connect_raw, SignalHandlerId};
+use glib::translate::*;
+use glib::Cast;
+
+use std::mem::transmute;
+
+pub trait VideoAggregatorConvertPadExtManual: 'static {
+    #[doc(alias = "converter-config")]
+    fn converter_config(&self) -> Option<crate::VideoConverterConfig>;
+
+    #[doc(alias = "converter-config")]
+    fn set_converter_config(&self, converter_config: Option<&crate::VideoConverterConfig>);
+
+    #[doc(alias = "converter-config")]
+    fn connect_converter_config_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId;
+}
+
+impl<O: IsA<VideoAggregatorConvertPad>> VideoAggregatorConvertPadExtManual for O {
+    fn converter_config(&self) -> Option<crate::VideoConverterConfig> {
+        glib::ObjectExt::property::<Option<gst::Structure>>(self.as_ref(), "converter-config")
+            .map(|c| c.try_into().unwrap())
+    }
+
+    fn set_converter_config(&self, converter_config: Option<&crate::VideoConverterConfig>) {
+        glib::ObjectExt::set_property(
+            self.as_ref(),
+            "converter-config",
+            converter_config.map(|s| s.as_ref()),
+        )
+    }
+
+    fn connect_converter_config_notify<F: Fn(&Self) + Send + Sync + 'static>(
+        &self,
+        f: F,
+    ) -> SignalHandlerId {
+        unsafe extern "C" fn notify_converter_config_trampoline<
+            P: IsA<VideoAggregatorConvertPad>,
+            F: Fn(&P) + Send + Sync + 'static,
+        >(
+            this: *mut ffi::GstVideoAggregatorConvertPad,
+            _param_spec: glib::ffi::gpointer,
+            f: glib::ffi::gpointer,
+        ) {
+            let f: &F = &*(f as *const F);
+            f(VideoAggregatorConvertPad::from_glib_borrow(this).unsafe_cast_ref())
+        }
+        unsafe {
+            let f: Box<F> = Box::new(f);
+            connect_raw(
+                self.as_ptr() as *mut _,
+                b"notify::converter-config\0".as_ptr() as *const _,
+                Some(transmute::<_, unsafe extern "C" fn()>(
+                    notify_converter_config_trampoline::<Self, F> as *const (),
+                )),
+                Box::into_raw(f),
+            )
+        }
+    }
+}

gstreamer-video/src/video_aggregator_pad.rs

@@ -0,0 +1,71 @@
+use crate::auto::VideoAggregatorPad;
+use crate::subclass::AggregateFramesToken;
+use glib::object::IsA;
+use glib::translate::*;
+
+pub trait VideoAggregatorPadExtManual: 'static {
+    #[doc(alias = "gst_video_aggregator_pad_has_current_buffer")]
+    fn has_current_buffer(&self, token: &AggregateFramesToken) -> bool;
+
+    #[doc(alias = "gst_video_aggregator_pad_get_current_buffer")]
+    fn current_buffer(&self, token: &AggregateFramesToken) -> Option<gst::Buffer>;
+
+    #[doc(alias = "gst_video_aggregator_pad_get_prepared_frame")]
+    fn prepared_frame<'a>(
+        &self,
+        token: &'a AggregateFramesToken,
+    ) -> Option<crate::VideoFrameRef<&'a gst::BufferRef>>;
+
+    fn video_info(&self) -> Option<crate::VideoInfo>;
+}
+
+impl<O: IsA<VideoAggregatorPad>> VideoAggregatorPadExtManual for O {
+    fn has_current_buffer(&self, _token: &AggregateFramesToken) -> bool {
+        unsafe {
+            from_glib(ffi::gst_video_aggregator_pad_has_current_buffer(
+                self.as_ref().to_glib_none().0,
+            ))
+        }
+    }
+
+    fn current_buffer(&self, _token: &AggregateFramesToken) -> Option<gst::Buffer> {
+        unsafe {
+            from_glib_none(ffi::gst_video_aggregator_pad_get_current_buffer(
+                self.as_ref().to_glib_none().0,
+            ))
+        }
+    }
+
+    fn prepared_frame<'a>(
+        &self,
+        _token: &'a AggregateFramesToken,
+    ) -> Option<crate::VideoFrameRef<&'a gst::BufferRef>> {
+        unsafe {
+            let ptr =
+                ffi::gst_video_aggregator_pad_get_prepared_frame(self.as_ref().to_glib_none().0);
+
+            if ptr.is_null() {
+                None
+            } else {
+                Some(crate::VideoFrameRef::from_glib_borrow(ptr).into_inner())
+            }
+        }
+    }
+
+    fn video_info(&self) -> Option<crate::VideoInfo> {
+        unsafe {
+            let ptr = self.as_ptr() as *mut ffi::GstVideoAggregatorPad;
+            let _guard = crate::utils::MutexGuard::lock(&(*(ptr as *mut gst::ffi::GstObject)).lock);
+
+            let info = &(*ptr).info;
+
+            if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
+                return None;
+            }
+
+            Some(from_glib_none(mut_override(
+                info as *const ffi::GstVideoInfo,
+            )))
+        }
+    }
+}