gstreamer-rs/gstreamer-pbutils/src/discoverer.rs

77 lines
2.2 KiB
Rust
Raw Normal View History

// Copyright (C) 2018 Thiago Santos <thiagossantos@gmail.com>
// Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use gst;
use auto::Discoverer;
use glib::object::{Cast, ObjectType};
use glib::signal::connect_raw;
2018-04-25 08:10:06 +00:00
use glib::signal::SignalHandlerId;
use glib::translate::*;
2018-04-25 08:10:06 +00:00
use glib::IsA;
use glib::Value;
2019-03-19 07:58:20 +00:00
use glib_sys;
use gobject_sys;
use gst_pbutils_sys;
use std::boxed::Box as Box_;
2018-04-01 08:30:03 +00:00
use std::mem::transmute;
impl Discoverer {
pub fn set_property_timeout(&self, timeout: gst::ClockTime) {
unsafe {
2019-03-19 07:58:20 +00:00
gobject_sys::g_object_set_property(
self.as_ptr() as *mut _,
2018-03-02 19:06:45 +00:00
"timeout".to_glib_none().0,
Value::from(&timeout).to_glib_none().0,
);
}
}
pub fn get_property_timeout(&self) -> gst::ClockTime {
let mut value = Value::from(&0u64);
unsafe {
2019-03-19 07:58:20 +00:00
gobject_sys::g_object_get_property(
self.as_ptr() as *mut _,
2018-03-02 19:06:45 +00:00
"timeout".to_glib_none().0,
value.to_glib_none_mut().0,
);
}
value.get().unwrap()
}
2018-03-02 19:06:45 +00:00
pub fn connect_property_timeout_notify<F: Fn(&Self) + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::timeout\0".as_ptr() as *const _,
Some(transmute(notify_timeout_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
2018-03-02 19:06:45 +00:00
)
}
}
}
unsafe extern "C" fn notify_timeout_trampoline<P, F: Fn(&P) + Send + Sync + 'static>(
2019-03-19 07:58:20 +00:00
this: *mut gst_pbutils_sys::GstDiscoverer,
_param_spec: glib_sys::gpointer,
f: glib_sys::gpointer,
2018-03-02 19:06:45 +00:00
) where
P: IsA<Discoverer>,
{
2019-02-21 17:30:36 +00:00
let f: &F = &*(f as *const F);
f(&Discoverer::from_glib_borrow(this).unsafe_cast())
}