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
11pub trait VideoAggregatorConvertPadExtManual: IsA<VideoAggregatorConvertPad> + 'static {
12    #[doc(alias = "converter-config")]
13    fn converter_config(&self) -> Option<crate::VideoConverterConfig> {
14        ObjectExt::property::<Option<gst::Structure>>(self.as_ref(), "converter-config")
15            .map(|c| c.try_into().unwrap())
16    }
17
18    #[doc(alias = "converter-config")]
19    fn set_converter_config(&self, converter_config: Option<&crate::VideoConverterConfig>) {
20        ObjectExt::set_property(
21            self.as_ref(),
22            "converter-config",
23            converter_config.map(|s| s.as_ref()),
24        )
25    }
26
27    #[doc(alias = "converter-config")]
28    fn connect_converter_config_notify<F: Fn(&Self) + Send + Sync + 'static>(
29        &self,
30        f: F,
31    ) -> SignalHandlerId {
32        unsafe extern "C" fn notify_converter_config_trampoline<
33            P: IsA<VideoAggregatorConvertPad>,
34            F: Fn(&P) + Send + Sync + 'static,
35        >(
36            this: *mut ffi::GstVideoAggregatorConvertPad,
37            _param_spec: glib::ffi::gpointer,
38            f: glib::ffi::gpointer,
39        ) {
40            let f: &F = &*(f as *const F);
41            f(VideoAggregatorConvertPad::from_glib_borrow(this).unsafe_cast_ref())
42        }
43        unsafe {
44            let f: Box<F> = Box::new(f);
45            connect_raw(
46                self.as_ptr() as *mut _,
47                b"notify::converter-config\0".as_ptr() as *const _,
48                Some(transmute::<*const (), unsafe extern "C" fn()>(
49                    notify_converter_config_trampoline::<Self, F> as *const (),
50                )),
51                Box::into_raw(f),
52            )
53        }
54    }
55}
56
57impl<O: IsA<VideoAggregatorConvertPad>> VideoAggregatorConvertPadExtManual for O {}
gstreamer_video/video_aggregator_convert_pad.rs

gstreamer_video/
video_aggregator_convert_pad.rs
