1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

// 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;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::IsA;
use glib::Value;

use glib_sys;
use gobject_sys;
use gst_pbutils_sys;

use std::boxed::Box as Box_;
use std::mem::transmute;

impl Discoverer {
    /// The duration (in nanoseconds) after which the discovery of an individual
    /// URI will timeout.
    ///
    /// If the discovery of a URI times out, the `DiscovererResult::Timeout` will be
    /// set on the result flags.
    pub fn set_property_timeout(&self, timeout: gst::ClockTime) {
        unsafe {
            gobject_sys::g_object_set_property(
                self.as_ptr() as *mut _,
                "timeout".to_glib_none().0,
                Value::from(&timeout).to_glib_none().0,
            );
        }
    }

    /// The duration (in nanoseconds) after which the discovery of an individual
    /// URI will timeout.
    ///
    /// If the discovery of a URI times out, the `DiscovererResult::Timeout` will be
    /// set on the result flags.
    pub fn get_property_timeout(&self) -> gst::ClockTime {
        let mut value = Value::from(&0u64);
        unsafe {
            gobject_sys::g_object_get_property(
                self.as_ptr() as *mut _,
                "timeout".to_glib_none().0,
                value.to_glib_none_mut().0,
            );
        }
        value
            .get()
            .expect("Discoverer::get_property_timeout")
            .unwrap()
    }

    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::<_, unsafe extern "C" fn()>(
                    notify_timeout_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

unsafe extern "C" fn notify_timeout_trampoline<P, F: Fn(&P) + Send + Sync + 'static>(
    this: *mut gst_pbutils_sys::GstDiscoverer,
    _param_spec: glib_sys::gpointer,
    f: glib_sys::gpointer,
) where
    P: IsA<Discoverer>,
{
    let f: &F = &*(f as *const F);
    f(&Discoverer::from_glib_borrow(this).unsafe_cast_ref())
}