mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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59 lines
2 KiB
Rust
59 lines
2 KiB
Rust
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// Copyright (C) 2018 Thiago Santos <thiagossantos@gmail.com>
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// Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use gst;
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use auto::Discoverer;
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use glib::Value;
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use glib::IsA;
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use glib::signal::connect;
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use glib::signal::SignalHandlerId;
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use glib::translate::*;
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use glib::object::Downcast;
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use ffi;
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use glib_ffi;
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use gobject_ffi;
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use std::mem::transmute;
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use std::boxed::Box as Box_;
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impl Discoverer {
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pub fn set_property_timeout(&self, timeout: gst::ClockTime) {
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unsafe {
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gobject_ffi::g_object_set_property(self.to_glib_none().0,
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"timeout".to_glib_none().0, Value::from(&timeout).to_glib_none().0);
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}
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}
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pub fn get_property_timeout(&self) -> gst::ClockTime {
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let mut value = Value::from(&0u64);
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unsafe {
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gobject_ffi::g_object_get_property(self.to_glib_none().0, "timeout".to_glib_none().0, value.to_glib_none_mut().0);
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}
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value.get().unwrap()
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}
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pub fn connect_property_timeout_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
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unsafe {
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let f: Box_<Box_<Fn(&Self) + Send + Sync + 'static>> = Box_::new(Box_::new(f));
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connect(self.to_glib_none().0, "notify::timeout",
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transmute(notify_timeout_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
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}
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}
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}
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unsafe extern "C" fn notify_timeout_trampoline<P>(this: *mut ffi::GstDiscoverer, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
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where P: IsA<Discoverer> {
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callback_guard!();
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let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
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f(&Discoverer::from_glib_borrow(this).downcast_unchecked())
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}
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