gstreamer_video/
video_aggregator_convert_pad.rs

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1use std::mem::transmute;
2
3use glib::{
4    prelude::*,
5    signal::{connect_raw, SignalHandlerId},
6    translate::*,
7};
8
9use crate::{ffi, VideoAggregatorConvertPad};
10
11mod sealed {
12    pub trait Sealed {}
13    impl<T: super::IsA<super::VideoAggregatorConvertPad>> Sealed for T {}
14}
15
16pub trait VideoAggregatorConvertPadExtManual:
17    sealed::Sealed + IsA<VideoAggregatorConvertPad> + 'static
18{
19    #[doc(alias = "converter-config")]
20    fn converter_config(&self) -> Option<crate::VideoConverterConfig> {
21        ObjectExt::property::<Option<gst::Structure>>(self.as_ref(), "converter-config")
22            .map(|c| c.try_into().unwrap())
23    }
24
25    #[doc(alias = "converter-config")]
26    fn set_converter_config(&self, converter_config: Option<&crate::VideoConverterConfig>) {
27        ObjectExt::set_property(
28            self.as_ref(),
29            "converter-config",
30            converter_config.map(|s| s.as_ref()),
31        )
32    }
33
34    #[doc(alias = "converter-config")]
35    fn connect_converter_config_notify<F: Fn(&Self) + Send + Sync + 'static>(
36        &self,
37        f: F,
38    ) -> SignalHandlerId {
39        unsafe extern "C" fn notify_converter_config_trampoline<
40            P: IsA<VideoAggregatorConvertPad>,
41            F: Fn(&P) + Send + Sync + 'static,
42        >(
43            this: *mut ffi::GstVideoAggregatorConvertPad,
44            _param_spec: glib::ffi::gpointer,
45            f: glib::ffi::gpointer,
46        ) {
47            let f: &F = &*(f as *const F);
48            f(VideoAggregatorConvertPad::from_glib_borrow(this).unsafe_cast_ref())
49        }
50        unsafe {
51            let f: Box<F> = Box::new(f);
52            connect_raw(
53                self.as_ptr() as *mut _,
54                b"notify::converter-config\0".as_ptr() as *const _,
55                Some(transmute::<*const (), unsafe extern "C" fn()>(
56                    notify_converter_config_trampoline::<Self, F> as *const (),
57                )),
58                Box::into_raw(f),
59            )
60        }
61    }
62}
63
64impl<O: IsA<VideoAggregatorConvertPad>> VideoAggregatorConvertPadExtManual for O {}
gstreamer_video/video_aggregator_convert_pad.rs

gstreamer_video/
video_aggregator_convert_pad.rs
