gstreamer_controller/auto/
timed_value_control_source.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
4// DO NOT EDIT
5
6use crate::{ffi, ControlPoint};
7use glib::{
8    object::ObjectType as _,
9    prelude::*,
10    signal::{connect_raw, SignalHandlerId},
11    translate::*,
12};
13use std::boxed::Box as Box_;
14
15glib::wrapper! {
16    /// Base class for [`gst::ControlSource`][crate::gst::ControlSource] that use time-stamped values.
17    ///
18    /// When overriding bind, chain up first to give this bind implementation a
19    /// chance to setup things.
20    ///
21    /// All functions are MT-safe.
22    ///
23    /// This is an Abstract Base Class, you cannot instantiate it.
24    ///
25    /// ## Signals
26    ///
27    ///
28    /// #### `value-added`
29    ///  Emitted right after the new value has been added to `self_`
30    ///
31    ///
32    ///
33    ///
34    /// #### `value-changed`
35    ///  Emitted right after the new value has been set on `timed_signals`
36    ///
37    ///
38    ///
39    ///
40    /// #### `value-removed`
41    ///  Emitted when `timed_value` is removed from `self_`
42    ///
43    ///
44    /// <details><summary><h4>Object</h4></summary>
45    ///
46    ///
47    /// #### `deep-notify`
48    ///  The deep notify signal is used to be notified of property changes. It is
49    /// typically attached to the toplevel bin to receive notifications from all
50    /// the elements contained in that bin.
51    ///
52    /// Detailed
53    /// </details>
54    ///
55    /// # Implements
56    ///
57    /// [`TimedValueControlSourceExt`][trait@crate::prelude::TimedValueControlSourceExt], [`trait@gst::prelude::ControlSourceExt`], [`trait@gst::prelude::ObjectExt`]
58    #[doc(alias = "GstTimedValueControlSource")]
59    pub struct TimedValueControlSource(Object<ffi::GstTimedValueControlSource, ffi::GstTimedValueControlSourceClass>) @extends gst::ControlSource, gst::Object;
60
61    match fn {
62        type_ => || ffi::gst_timed_value_control_source_get_type(),
63    }
64}
65
66impl TimedValueControlSource {
67    pub const NONE: Option<&'static TimedValueControlSource> = None;
68}
69
70unsafe impl Send for TimedValueControlSource {}
71unsafe impl Sync for TimedValueControlSource {}
72
73mod sealed {
74    pub trait Sealed {}
75    impl<T: super::IsA<super::TimedValueControlSource>> Sealed for T {}
76}
77
78/// Trait containing all [`struct@TimedValueControlSource`] methods.
79///
80/// # Implementors
81///
82/// [`InterpolationControlSource`][struct@crate::InterpolationControlSource], [`TimedValueControlSource`][struct@crate::TimedValueControlSource], [`TriggerControlSource`][struct@crate::TriggerControlSource]
83pub trait TimedValueControlSourceExt:
84    IsA<TimedValueControlSource> + sealed::Sealed + 'static
85{
86    //#[doc(alias = "gst_timed_value_control_source_find_control_point_iter")]
87    //fn find_control_point_iter(&self, timestamp: impl Into<Option<gst::ClockTime>>) -> /*Ignored*/Option<glib::SequenceIter> {
88    //    unsafe { TODO: call ffi:gst_timed_value_control_source_find_control_point_iter() }
89    //}
90
91    //#[doc(alias = "gst_timed_value_control_source_get_all")]
92    //#[doc(alias = "get_all")]
93    //fn all(&self) -> /*Ignored*/Vec<gst::TimedValue> {
94    //    unsafe { TODO: call ffi:gst_timed_value_control_source_get_all() }
95    //}
96
97    /// Get the number of control points that are set.
98    ///
99    /// # Returns
100    ///
101    /// the number of control points that are set.
102    #[doc(alias = "gst_timed_value_control_source_get_count")]
103    #[doc(alias = "get_count")]
104    fn count(&self) -> i32 {
105        unsafe { ffi::gst_timed_value_control_source_get_count(self.as_ref().to_glib_none().0) }
106    }
107
108    /// Set the value of given controller-handled property at a certain time.
109    /// ## `timestamp`
110    /// the time the control-change is scheduled for
111    /// ## `value`
112    /// the control-value
113    ///
114    /// # Returns
115    ///
116    /// FALSE if the values couldn't be set, TRUE otherwise.
117    #[doc(alias = "gst_timed_value_control_source_set")]
118    fn set(&self, timestamp: gst::ClockTime, value: f64) -> bool {
119        unsafe {
120            from_glib(ffi::gst_timed_value_control_source_set(
121                self.as_ref().to_glib_none().0,
122                timestamp.into_glib(),
123                value,
124            ))
125        }
126    }
127
128    //#[doc(alias = "gst_timed_value_control_source_set_from_list")]
129    //fn set_from_list(&self, timedvalues: /*Ignored*/&[gst::TimedValue]) -> bool {
130    //    unsafe { TODO: call ffi:gst_timed_value_control_source_set_from_list() }
131    //}
132
133    /// Used to remove the value of given controller-handled property at a certain
134    /// time.
135    /// ## `timestamp`
136    /// the time the control-change should be removed from
137    ///
138    /// # Returns
139    ///
140    /// FALSE if the value couldn't be unset (i.e. not found, TRUE otherwise.
141    #[doc(alias = "gst_timed_value_control_source_unset")]
142    fn unset(&self, timestamp: gst::ClockTime) -> bool {
143        unsafe {
144            from_glib(ffi::gst_timed_value_control_source_unset(
145                self.as_ref().to_glib_none().0,
146                timestamp.into_glib(),
147            ))
148        }
149    }
150
151    /// Used to remove all time-stamped values of given controller-handled property
152    #[doc(alias = "gst_timed_value_control_source_unset_all")]
153    fn unset_all(&self) {
154        unsafe {
155            ffi::gst_timed_value_control_source_unset_all(self.as_ref().to_glib_none().0);
156        }
157    }
158
159    /// Emitted right after the new value has been added to `self_`
160    /// ## `timed_value`
161    /// The newly added `GstTimedValue`
162    #[doc(alias = "value-added")]
163    fn connect_value_added<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
164        &self,
165        f: F,
166    ) -> SignalHandlerId {
167        unsafe extern "C" fn value_added_trampoline<
168            P: IsA<TimedValueControlSource>,
169            F: Fn(&P, &ControlPoint) + Send + Sync + 'static,
170        >(
171            this: *mut ffi::GstTimedValueControlSource,
172            timed_value: *mut ffi::GstControlPoint,
173            f: glib::ffi::gpointer,
174        ) {
175            let f: &F = &*(f as *const F);
176            f(
177                TimedValueControlSource::from_glib_borrow(this).unsafe_cast_ref(),
178                &from_glib_borrow(timed_value),
179            )
180        }
181        unsafe {
182            let f: Box_<F> = Box_::new(f);
183            connect_raw(
184                self.as_ptr() as *mut _,
185                b"value-added\0".as_ptr() as *const _,
186                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
187                    value_added_trampoline::<Self, F> as *const (),
188                )),
189                Box_::into_raw(f),
190            )
191        }
192    }
193
194    /// Emitted right after the new value has been set on `timed_signals`
195    /// ## `timed_value`
196    /// The `GstTimedValue` where the value changed
197    #[doc(alias = "value-changed")]
198    fn connect_value_changed<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
199        &self,
200        f: F,
201    ) -> SignalHandlerId {
202        unsafe extern "C" fn value_changed_trampoline<
203            P: IsA<TimedValueControlSource>,
204            F: Fn(&P, &ControlPoint) + Send + Sync + 'static,
205        >(
206            this: *mut ffi::GstTimedValueControlSource,
207            timed_value: *mut ffi::GstControlPoint,
208            f: glib::ffi::gpointer,
209        ) {
210            let f: &F = &*(f as *const F);
211            f(
212                TimedValueControlSource::from_glib_borrow(this).unsafe_cast_ref(),
213                &from_glib_borrow(timed_value),
214            )
215        }
216        unsafe {
217            let f: Box_<F> = Box_::new(f);
218            connect_raw(
219                self.as_ptr() as *mut _,
220                b"value-changed\0".as_ptr() as *const _,
221                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
222                    value_changed_trampoline::<Self, F> as *const (),
223                )),
224                Box_::into_raw(f),
225            )
226        }
227    }
228
229    /// Emitted when `timed_value` is removed from `self_`
230    /// ## `timed_value`
231    /// The removed `GstTimedValue`
232    #[doc(alias = "value-removed")]
233    fn connect_value_removed<F: Fn(&Self, &ControlPoint) + Send + Sync + 'static>(
234        &self,
235        f: F,
236    ) -> SignalHandlerId {
237        unsafe extern "C" fn value_removed_trampoline<
238            P: IsA<TimedValueControlSource>,
239            F: Fn(&P, &ControlPoint) + Send + Sync + 'static,
240        >(
241            this: *mut ffi::GstTimedValueControlSource,
242            timed_value: *mut ffi::GstControlPoint,
243            f: glib::ffi::gpointer,
244        ) {
245            let f: &F = &*(f as *const F);
246            f(
247                TimedValueControlSource::from_glib_borrow(this).unsafe_cast_ref(),
248                &from_glib_borrow(timed_value),
249            )
250        }
251        unsafe {
252            let f: Box_<F> = Box_::new(f);
253            connect_raw(
254                self.as_ptr() as *mut _,
255                b"value-removed\0".as_ptr() as *const _,
256                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
257                    value_removed_trampoline::<Self, F> as *const (),
258                )),
259                Box_::into_raw(f),
260            )
261        }
262    }
263}
264
265impl<O: IsA<TimedValueControlSource>> TimedValueControlSourceExt for O {}