gstreamer-rs/gstreamer-play/src/play_signal_adapter.rs
2022-05-24 06:55:12 +00:00

105 lines
3.4 KiB
Rust

// Take a look at the license at the top of the repository in the LICENSE file.
use crate::PlaySignalAdapter;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::ObjectType;
use std::boxed::Box as Box_;
use std::mem::transmute;
impl PlaySignalAdapter {
#[doc(alias = "duration-changed")]
pub fn connect_duration_changed<
F: Fn(&PlaySignalAdapter, Option<gst::ClockTime>) + Send + 'static,
>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn duration_changed_trampoline<
F: Fn(&PlaySignalAdapter, Option<gst::ClockTime>) + Send + 'static,
>(
this: *mut ffi::GstPlaySignalAdapter,
object: u64,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this), FromGlib::from_glib(object))
}
#[allow(clippy::cast_ptr_alignment)]
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"duration-changed\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
duration_changed_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
#[doc(alias = "position-updated")]
pub fn connect_position_updated<
F: Fn(&PlaySignalAdapter, Option<gst::ClockTime>) + Send + 'static,
>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn position_updated_trampoline<
F: Fn(&PlaySignalAdapter, Option<gst::ClockTime>) + Send + 'static,
>(
this: *mut ffi::GstPlaySignalAdapter,
object: u64,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this), FromGlib::from_glib(object))
}
#[allow(clippy::cast_ptr_alignment)]
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"position-updated\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
position_updated_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
#[doc(alias = "seek-done")]
pub fn connect_seek_done<F: Fn(&PlaySignalAdapter, gst::ClockTime) + Send + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn seek_done_trampoline<
F: Fn(&PlaySignalAdapter, gst::ClockTime) + Send + 'static,
>(
this: *mut ffi::GstPlaySignalAdapter,
object: u64,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
&from_glib_borrow(this),
try_from_glib(object).expect("undefined seek position"),
)
}
#[allow(clippy::cast_ptr_alignment)]
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"seek-done\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
seek_done_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}