gstreamer_base/
aggregator_pad.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, translate::*};
4use gst::prelude::*;
5
6use crate::{ffi, AggregatorPad};
7
8pub trait AggregatorPadExtManual: IsA<AggregatorPad> + 'static {
9    #[doc(alias = "get_segment")]
10    fn segment(&self) -> gst::Segment {
11        unsafe {
12            let ptr: &ffi::GstAggregatorPad = &*(self.as_ptr() as *const _);
13            let _guard = self.as_ref().object_lock();
14            from_glib_none(&ptr.segment as *const gst::ffi::GstSegment)
15        }
16    }
17
18    #[cfg(feature = "v1_28")]
19    #[cfg_attr(docsrs, doc(cfg(feature = "v1_28")))]
20    #[doc(alias = "current-level-time")]
21    fn current_level_time(&self) -> Option<gst::ClockTime> {
22        ObjectExt::property(self.as_ref(), "current-level-time")
23    }
24
25    #[cfg(feature = "v1_28")]
26    #[cfg_attr(docsrs, doc(cfg(feature = "v1_28")))]
27    #[doc(alias = "current-level-time")]
28    fn connect_current_level_time_notify<F: Fn(&Self) + Send + Sync + 'static>(
29        &self,
30        f: F,
31    ) -> glib::SignalHandlerId {
32        unsafe extern "C" fn notify_current_level_time_trampoline<
33            P: IsA<AggregatorPad>,
34            F: Fn(&P) + Send + Sync + 'static,
35        >(
36            this: *mut ffi::GstAggregatorPad,
37            _param_spec: glib::ffi::gpointer,
38            f: glib::ffi::gpointer,
39        ) {
40            let f: &F = &*(f as *const F);
41            f(AggregatorPad::from_glib_borrow(this).unsafe_cast_ref())
42        }
43        unsafe {
44            let f: Box<F> = Box::new(f);
45            glib::signal::connect_raw(
46                self.as_ptr() as *mut _,
47                c"notify::current-level-time".as_ptr() as *const _,
48                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
49                    notify_current_level_time_trampoline::<Self, F> as *const (),
50                )),
51                Box::into_raw(f),
52            )
53        }
54    }
55}
56
57impl<O: IsA<AggregatorPad>> AggregatorPadExtManual for O {}