gstreamer_editing_services/auto/
pipeline.rs

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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, PipelineFlags, Timeline};
7use glib::{
8    prelude::*,
9    signal::{connect_raw, SignalHandlerId},
10    translate::*,
11};
12use std::boxed::Box as Box_;
13
14glib::wrapper! {
15    /// A [`Pipeline`][crate::Pipeline] can take an audio-video [`Timeline`][crate::Timeline] and conveniently
16    /// link its [`Track`][crate::Track]-s to an internal `playsink` element, for
17    /// preview/playback, and an internal `encodebin` element, for rendering.
18    /// You can switch between these modes using [`GESPipelineExt::set_mode()`][crate::prelude::GESPipelineExt::set_mode()].
19    ///
20    /// You can choose the specific audio and video sinks used for previewing
21    /// the timeline by setting the [`audio-sink`][struct@crate::Pipeline#audio-sink] and
22    /// [`video-sink`][struct@crate::Pipeline#video-sink] properties.
23    ///
24    /// You can set the encoding and save location used in rendering by calling
25    /// [`GESPipelineExt::set_render_settings()`][crate::prelude::GESPipelineExt::set_render_settings()].
26    ///
27    /// ## Properties
28    ///
29    ///
30    /// #### `audio-filter`
31    ///  The audio filter(s) to apply during playback in preview mode,
32    /// immediately before the [`audio-sink`][struct@crate::Pipeline#audio-sink]. This exposes the
33    /// `playsink:audio-filter` property of the internal `playsink`.
34    ///
35    /// Readable | Writeable
36    ///
37    ///
38    /// #### `audio-sink`
39    ///  The audio sink used for preview. This exposes the
40    /// `playsink:audio-sink` property of the internal `playsink`.
41    ///
42    /// Readable | Writeable
43    ///
44    ///
45    /// #### `mode`
46    ///  The pipeline's mode. In preview mode (for audio or video, or both)
47    /// the pipeline can display the timeline's content to an end user. In
48    /// rendering mode the pipeline can encode the timeline's content and
49    /// save it to a file.
50    ///
51    /// Readable | Writeable
52    ///
53    ///
54    /// #### `timeline`
55    ///  The timeline used by this pipeline, whose content it will play and
56    /// render, or [`None`] if the pipeline does not yet have a timeline.
57    ///
58    /// Note that after you set the timeline for the first time, subsequent
59    /// calls to change the timeline will fail.
60    ///
61    /// Readable | Writeable
62    ///
63    ///
64    /// #### `video-filter`
65    ///  The video filter(s) to apply during playback in preview mode,
66    /// immediately before the [`video-sink`][struct@crate::Pipeline#video-sink]. This exposes the
67    /// `playsink:video-filter` property of the internal `playsink`.
68    ///
69    /// Readable | Writeable
70    ///
71    ///
72    /// #### `video-sink`
73    ///  The video sink used for preview. This exposes the
74    /// `playsink:video-sink` property of the internal `playsink`.
75    ///
76    /// Readable | Writeable
77    /// <details><summary><h4>Pipeline</h4></summary>
78    ///
79    ///
80    /// #### `auto-flush-bus`
81    ///  Whether or not to automatically flush all messages on the
82    /// pipeline's bus when going from READY to NULL state. Please see
83    /// [`PipelineExtManual::set_auto_flush_bus()`][crate::gst::prelude::PipelineExtManual::set_auto_flush_bus()] for more information on this option.
84    ///
85    /// Readable | Writeable
86    ///
87    ///
88    /// #### `delay`
89    ///  The expected delay needed for elements to spin up to the
90    /// PLAYING state expressed in nanoseconds.
91    /// see [`PipelineExtManual::set_delay()`][crate::gst::prelude::PipelineExtManual::set_delay()] for more information on this option.
92    ///
93    /// Readable | Writeable
94    ///
95    ///
96    /// #### `latency`
97    ///  Latency to configure on the pipeline. See [`PipelineExtManual::set_latency()`][crate::gst::prelude::PipelineExtManual::set_latency()].
98    ///
99    /// Readable | Writeable
100    /// </details>
101    /// <details><summary><h4>Bin</h4></summary>
102    ///
103    ///
104    /// #### `async-handling`
105    ///  If set to [`true`], the bin will handle asynchronous state changes.
106    /// This should be used only if the bin subclass is modifying the state
107    /// of its children on its own.
108    ///
109    /// Readable | Writeable
110    ///
111    ///
112    /// #### `message-forward`
113    ///  Forward all children messages, even those that would normally be filtered by
114    /// the bin. This can be interesting when one wants to be notified of the EOS
115    /// state of individual elements, for example.
116    ///
117    /// The messages are converted to an ELEMENT message with the bin as the
118    /// source. The structure of the message is named `GstBinForwarded` and contains
119    /// a field named `message` that contains the original forwarded `GstMessage`.
120    ///
121    /// Readable | Writeable
122    /// </details>
123    /// <details><summary><h4>Object</h4></summary>
124    ///
125    ///
126    /// #### `name`
127    ///  Readable | Writeable | Construct
128    ///
129    ///
130    /// #### `parent`
131    ///  The parent of the object. Please note, that when changing the 'parent'
132    /// property, we don't emit [`notify`][struct@crate::glib::Object#notify] and [`deep-notify`][struct@crate::gst::Object#deep-notify]
133    /// signals due to locking issues. In some cases one can use
134    /// [`element-added`][struct@crate::gst::Bin#element-added] or [`element-removed`][struct@crate::gst::Bin#element-removed] signals on the parent to
135    /// achieve a similar effect.
136    ///
137    /// Readable | Writeable
138    /// </details>
139    ///
140    /// # Implements
141    ///
142    /// [`GESPipelineExt`][trait@crate::prelude::GESPipelineExt], [`trait@gst::prelude::PipelineExt`], [`trait@gst::prelude::BinExt`], [`trait@gst::prelude::ElementExt`], [`trait@gst::prelude::GstObjectExt`], [`trait@glib::ObjectExt`], [`trait@gst::prelude::ChildProxyExt`]
143    #[doc(alias = "GESPipeline")]
144    pub struct Pipeline(Object<ffi::GESPipeline, ffi::GESPipelineClass>) @extends gst::Pipeline, gst::Bin, gst::Element, gst::Object, @implements gst::ChildProxy;
145
146    match fn {
147        type_ => || ffi::ges_pipeline_get_type(),
148    }
149}
150
151impl Pipeline {
152    pub const NONE: Option<&'static Pipeline> = None;
153
154    /// Creates a new pipeline.
155    ///
156    /// # Returns
157    ///
158    /// The newly created pipeline.
159    #[doc(alias = "ges_pipeline_new")]
160    pub fn new() -> Pipeline {
161        assert_initialized_main_thread!();
162        unsafe { from_glib_none(ffi::ges_pipeline_new()) }
163    }
164}
165
166impl Default for Pipeline {
167    fn default() -> Self {
168        Self::new()
169    }
170}
171
172mod sealed {
173    pub trait Sealed {}
174    impl<T: super::IsA<super::Pipeline>> Sealed for T {}
175}
176
177/// Trait containing all [`struct@Pipeline`] methods.
178///
179/// # Implementors
180///
181/// [`Pipeline`][struct@crate::Pipeline]
182pub trait GESPipelineExt: IsA<Pipeline> + sealed::Sealed + 'static {
183    /// Gets the [`mode`][struct@crate::Pipeline#mode] of the pipeline.
184    ///
185    /// # Returns
186    ///
187    /// The current mode of `self`.
188    #[doc(alias = "ges_pipeline_get_mode")]
189    #[doc(alias = "get_mode")]
190    fn mode(&self) -> PipelineFlags {
191        unsafe { from_glib(ffi::ges_pipeline_get_mode(self.as_ref().to_glib_none().0)) }
192    }
193
194    /// Gets a sample from the pipeline of the currently displayed image in
195    /// preview, in the specified format.
196    ///
197    /// Note that if you use "ANY" caps for `caps`, then the current format of
198    /// the image is used. You can retrieve these caps from the returned sample
199    /// with `gst_sample_get_caps()`.
200    /// ## `caps`
201    /// Some caps to specifying the desired format, or
202    /// `GST_CAPS_ANY` to use the native format
203    ///
204    /// # Returns
205    ///
206    /// A sample of `self`'s current image preview in
207    /// the format given by `caps`, or [`None`] if an error prevented fetching the
208    /// sample.
209    #[doc(alias = "ges_pipeline_get_thumbnail")]
210    #[doc(alias = "get_thumbnail")]
211    fn thumbnail(&self, caps: &gst::Caps) -> Option<gst::Sample> {
212        unsafe {
213            from_glib_full(ffi::ges_pipeline_get_thumbnail(
214                self.as_ref().to_glib_none().0,
215                caps.to_glib_none().0,
216            ))
217        }
218    }
219
220    /// Gets a sample from the pipeline of the currently displayed image in
221    /// preview, in the 24-bit "RGB" format and of the desired width and
222    /// height.
223    ///
224    /// See [`thumbnail()`][Self::thumbnail()].
225    /// ## `width`
226    /// The requested pixel width of the image, or -1 to use the native
227    /// size
228    /// ## `height`
229    /// The requested pixel height of the image, or -1 to use the
230    /// native size
231    ///
232    /// # Returns
233    ///
234    /// A sample of `self`'s current image preview in
235    /// the "RGB" format, scaled to `width` and `height`, or [`None`] if an error
236    /// prevented fetching the sample.
237    #[doc(alias = "ges_pipeline_get_thumbnail_rgb24")]
238    #[doc(alias = "get_thumbnail_rgb24")]
239    fn thumbnail_rgb24(&self, width: i32, height: i32) -> Option<gst::Sample> {
240        unsafe {
241            from_glib_full(ffi::ges_pipeline_get_thumbnail_rgb24(
242                self.as_ref().to_glib_none().0,
243                width,
244                height,
245            ))
246        }
247    }
248
249    /// Gets the [`audio-sink`][struct@crate::Pipeline#audio-sink] of the pipeline.
250    ///
251    /// # Returns
252    ///
253    /// The audio sink used by `self` for preview.
254    #[doc(alias = "ges_pipeline_preview_get_audio_sink")]
255    fn preview_get_audio_sink(&self) -> Option<gst::Element> {
256        unsafe {
257            from_glib_full(ffi::ges_pipeline_preview_get_audio_sink(
258                self.as_ref().to_glib_none().0,
259            ))
260        }
261    }
262
263    /// Gets the [`video-sink`][struct@crate::Pipeline#video-sink] of the pipeline.
264    ///
265    /// # Returns
266    ///
267    /// The video sink used by `self` for preview.
268    #[doc(alias = "ges_pipeline_preview_get_video_sink")]
269    fn preview_get_video_sink(&self) -> Option<gst::Element> {
270        unsafe {
271            from_glib_full(ffi::ges_pipeline_preview_get_video_sink(
272                self.as_ref().to_glib_none().0,
273            ))
274        }
275    }
276
277    /// Sets the [`audio-sink`][struct@crate::Pipeline#audio-sink] of the pipeline.
278    /// ## `sink`
279    /// A audio sink for `self` to use for preview
280    #[doc(alias = "ges_pipeline_preview_set_audio_sink")]
281    fn preview_set_audio_sink(&self, sink: Option<&impl IsA<gst::Element>>) {
282        unsafe {
283            ffi::ges_pipeline_preview_set_audio_sink(
284                self.as_ref().to_glib_none().0,
285                sink.map(|p| p.as_ref()).to_glib_none().0,
286            );
287        }
288    }
289
290    /// Sets the [`video-sink`][struct@crate::Pipeline#video-sink] of the pipeline.
291    /// ## `sink`
292    /// A video sink for `self` to use for preview
293    #[doc(alias = "ges_pipeline_preview_set_video_sink")]
294    fn preview_set_video_sink(&self, sink: Option<&impl IsA<gst::Element>>) {
295        unsafe {
296            ffi::ges_pipeline_preview_set_video_sink(
297                self.as_ref().to_glib_none().0,
298                sink.map(|p| p.as_ref()).to_glib_none().0,
299            );
300        }
301    }
302
303    /// Saves the currently displayed image of the pipeline in preview to the
304    /// given location, in the specified dimensions and format.
305    /// ## `width`
306    /// The requested pixel width of the image, or -1 to use the native
307    /// size
308    /// ## `height`
309    /// The requested pixel height of the image, or -1 to use the
310    /// native size
311    /// ## `format`
312    /// The desired mime type (for example, "image/jpeg")
313    /// ## `location`
314    /// The path to save the thumbnail to
315    ///
316    /// # Returns
317    ///
318    /// [`true`] if `self`'s current image preview was successfully saved
319    /// to `location` using the given `format`, `height` and `width`.
320    #[doc(alias = "ges_pipeline_save_thumbnail")]
321    fn save_thumbnail(
322        &self,
323        width: i32,
324        height: i32,
325        format: &str,
326        location: &str,
327    ) -> Result<(), glib::Error> {
328        unsafe {
329            let mut error = std::ptr::null_mut();
330            let is_ok = ffi::ges_pipeline_save_thumbnail(
331                self.as_ref().to_glib_none().0,
332                width,
333                height,
334                format.to_glib_none().0,
335                location.to_glib_none().0,
336                &mut error,
337            );
338            debug_assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
339            if error.is_null() {
340                Ok(())
341            } else {
342                Err(from_glib_full(error))
343            }
344        }
345    }
346
347    /// Sets the [`mode`][struct@crate::Pipeline#mode] of the pipeline.
348    ///
349    /// Note that the pipeline will be set to [`gst::State::Null`][crate::gst::State::Null] during this call to
350    /// perform the necessary changes. You will need to set the state again yourself
351    /// after calling this.
352    ///
353    /// > **NOTE**: [Rendering settings](ges_pipeline_set_render_settings) need to be
354    /// > set before setting `mode` to [`PipelineFlags::RENDER`][crate::PipelineFlags::RENDER] or
355    /// > [`PipelineFlags::SMART_RENDER`][crate::PipelineFlags::SMART_RENDER], the call to this method will fail
356    /// > otherwise.
357    /// ## `mode`
358    /// The mode to set for `self`
359    ///
360    /// # Returns
361    ///
362    /// [`true`] if the mode of `self` was successfully set to `mode`.
363    #[doc(alias = "ges_pipeline_set_mode")]
364    #[doc(alias = "mode")]
365    fn set_mode(&self, mode: PipelineFlags) -> Result<(), glib::error::BoolError> {
366        unsafe {
367            glib::result_from_gboolean!(
368                ffi::ges_pipeline_set_mode(self.as_ref().to_glib_none().0, mode.into_glib()),
369                "Failed to set mode"
370            )
371        }
372    }
373
374    /// Specifies encoding setting to be used by the pipeline to render its
375    /// [`timeline`][struct@crate::Pipeline#timeline], and where the result should be written to.
376    ///
377    /// This method **must** be called before setting the pipeline mode to
378    /// [`PipelineFlags::RENDER`][crate::PipelineFlags::RENDER].
379    /// ## `output_uri`
380    /// The URI to save the [`timeline`][struct@crate::Pipeline#timeline] rendering
381    /// result to
382    /// ## `profile`
383    /// The encoding to use for rendering the [`timeline`][struct@crate::Pipeline#timeline]
384    ///
385    /// # Returns
386    ///
387    /// [`true`] if the settings were successfully set on `self`.
388    #[doc(alias = "ges_pipeline_set_render_settings")]
389    fn set_render_settings(
390        &self,
391        output_uri: &str,
392        profile: &impl IsA<gst_pbutils::EncodingProfile>,
393    ) -> Result<(), glib::error::BoolError> {
394        unsafe {
395            glib::result_from_gboolean!(
396                ffi::ges_pipeline_set_render_settings(
397                    self.as_ref().to_glib_none().0,
398                    output_uri.to_glib_none().0,
399                    profile.as_ref().to_glib_none().0
400                ),
401                "Failed to set render settings"
402            )
403        }
404    }
405
406    /// Takes the given timeline and sets it as the [`timeline`][struct@crate::Pipeline#timeline] for
407    /// the pipeline.
408    ///
409    /// Note that you should only call this method once on a given pipeline
410    /// because a pipeline can not have its [`timeline`][struct@crate::Pipeline#timeline] changed after
411    /// it has been set.
412    /// ## `timeline`
413    /// The timeline to set for `self`
414    ///
415    /// # Returns
416    ///
417    /// [`true`] if `timeline` was successfully given to `self`.
418    #[doc(alias = "ges_pipeline_set_timeline")]
419    #[doc(alias = "timeline")]
420    fn set_timeline(&self, timeline: &impl IsA<Timeline>) -> Result<(), glib::error::BoolError> {
421        unsafe {
422            glib::result_from_gboolean!(
423                ffi::ges_pipeline_set_timeline(
424                    self.as_ref().to_glib_none().0,
425                    timeline.as_ref().to_glib_none().0
426                ),
427                "Failed to set timeline"
428            )
429        }
430    }
431
432    /// The audio filter(s) to apply during playback in preview mode,
433    /// immediately before the [`audio-sink`][struct@crate::Pipeline#audio-sink]. This exposes the
434    /// `playsink:audio-filter` property of the internal `playsink`.
435    #[doc(alias = "audio-filter")]
436    fn audio_filter(&self) -> Option<gst::Element> {
437        ObjectExt::property(self.as_ref(), "audio-filter")
438    }
439
440    /// The audio filter(s) to apply during playback in preview mode,
441    /// immediately before the [`audio-sink`][struct@crate::Pipeline#audio-sink]. This exposes the
442    /// `playsink:audio-filter` property of the internal `playsink`.
443    #[doc(alias = "audio-filter")]
444    fn set_audio_filter<P: IsA<gst::Element>>(&self, audio_filter: Option<&P>) {
445        ObjectExt::set_property(self.as_ref(), "audio-filter", audio_filter)
446    }
447
448    /// The audio sink used for preview. This exposes the
449    /// `playsink:audio-sink` property of the internal `playsink`.
450    #[doc(alias = "audio-sink")]
451    fn audio_sink(&self) -> Option<gst::Element> {
452        ObjectExt::property(self.as_ref(), "audio-sink")
453    }
454
455    /// The audio sink used for preview. This exposes the
456    /// `playsink:audio-sink` property of the internal `playsink`.
457    #[doc(alias = "audio-sink")]
458    fn set_audio_sink<P: IsA<gst::Element>>(&self, audio_sink: Option<&P>) {
459        ObjectExt::set_property(self.as_ref(), "audio-sink", audio_sink)
460    }
461
462    /// The timeline used by this pipeline, whose content it will play and
463    /// render, or [`None`] if the pipeline does not yet have a timeline.
464    ///
465    /// Note that after you set the timeline for the first time, subsequent
466    /// calls to change the timeline will fail.
467    fn timeline(&self) -> Option<Timeline> {
468        ObjectExt::property(self.as_ref(), "timeline")
469    }
470
471    /// The video filter(s) to apply during playback in preview mode,
472    /// immediately before the [`video-sink`][struct@crate::Pipeline#video-sink]. This exposes the
473    /// `playsink:video-filter` property of the internal `playsink`.
474    #[doc(alias = "video-filter")]
475    fn video_filter(&self) -> Option<gst::Element> {
476        ObjectExt::property(self.as_ref(), "video-filter")
477    }
478
479    /// The video filter(s) to apply during playback in preview mode,
480    /// immediately before the [`video-sink`][struct@crate::Pipeline#video-sink]. This exposes the
481    /// `playsink:video-filter` property of the internal `playsink`.
482    #[doc(alias = "video-filter")]
483    fn set_video_filter<P: IsA<gst::Element>>(&self, video_filter: Option<&P>) {
484        ObjectExt::set_property(self.as_ref(), "video-filter", video_filter)
485    }
486
487    /// The video sink used for preview. This exposes the
488    /// `playsink:video-sink` property of the internal `playsink`.
489    #[doc(alias = "video-sink")]
490    fn video_sink(&self) -> Option<gst::Element> {
491        ObjectExt::property(self.as_ref(), "video-sink")
492    }
493
494    /// The video sink used for preview. This exposes the
495    /// `playsink:video-sink` property of the internal `playsink`.
496    #[doc(alias = "video-sink")]
497    fn set_video_sink<P: IsA<gst::Element>>(&self, video_sink: Option<&P>) {
498        ObjectExt::set_property(self.as_ref(), "video-sink", video_sink)
499    }
500
501    #[doc(alias = "audio-filter")]
502    fn connect_audio_filter_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
503        unsafe extern "C" fn notify_audio_filter_trampoline<
504            P: IsA<Pipeline>,
505            F: Fn(&P) + 'static,
506        >(
507            this: *mut ffi::GESPipeline,
508            _param_spec: glib::ffi::gpointer,
509            f: glib::ffi::gpointer,
510        ) {
511            let f: &F = &*(f as *const F);
512            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
513        }
514        unsafe {
515            let f: Box_<F> = Box_::new(f);
516            connect_raw(
517                self.as_ptr() as *mut _,
518                b"notify::audio-filter\0".as_ptr() as *const _,
519                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
520                    notify_audio_filter_trampoline::<Self, F> as *const (),
521                )),
522                Box_::into_raw(f),
523            )
524        }
525    }
526
527    #[doc(alias = "audio-sink")]
528    fn connect_audio_sink_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
529        unsafe extern "C" fn notify_audio_sink_trampoline<P: IsA<Pipeline>, F: Fn(&P) + 'static>(
530            this: *mut ffi::GESPipeline,
531            _param_spec: glib::ffi::gpointer,
532            f: glib::ffi::gpointer,
533        ) {
534            let f: &F = &*(f as *const F);
535            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
536        }
537        unsafe {
538            let f: Box_<F> = Box_::new(f);
539            connect_raw(
540                self.as_ptr() as *mut _,
541                b"notify::audio-sink\0".as_ptr() as *const _,
542                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
543                    notify_audio_sink_trampoline::<Self, F> as *const (),
544                )),
545                Box_::into_raw(f),
546            )
547        }
548    }
549
550    #[doc(alias = "mode")]
551    fn connect_mode_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
552        unsafe extern "C" fn notify_mode_trampoline<P: IsA<Pipeline>, F: Fn(&P) + 'static>(
553            this: *mut ffi::GESPipeline,
554            _param_spec: glib::ffi::gpointer,
555            f: glib::ffi::gpointer,
556        ) {
557            let f: &F = &*(f as *const F);
558            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
559        }
560        unsafe {
561            let f: Box_<F> = Box_::new(f);
562            connect_raw(
563                self.as_ptr() as *mut _,
564                b"notify::mode\0".as_ptr() as *const _,
565                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
566                    notify_mode_trampoline::<Self, F> as *const (),
567                )),
568                Box_::into_raw(f),
569            )
570        }
571    }
572
573    #[doc(alias = "timeline")]
574    fn connect_timeline_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
575        unsafe extern "C" fn notify_timeline_trampoline<P: IsA<Pipeline>, F: Fn(&P) + 'static>(
576            this: *mut ffi::GESPipeline,
577            _param_spec: glib::ffi::gpointer,
578            f: glib::ffi::gpointer,
579        ) {
580            let f: &F = &*(f as *const F);
581            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
582        }
583        unsafe {
584            let f: Box_<F> = Box_::new(f);
585            connect_raw(
586                self.as_ptr() as *mut _,
587                b"notify::timeline\0".as_ptr() as *const _,
588                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
589                    notify_timeline_trampoline::<Self, F> as *const (),
590                )),
591                Box_::into_raw(f),
592            )
593        }
594    }
595
596    #[doc(alias = "video-filter")]
597    fn connect_video_filter_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
598        unsafe extern "C" fn notify_video_filter_trampoline<
599            P: IsA<Pipeline>,
600            F: Fn(&P) + 'static,
601        >(
602            this: *mut ffi::GESPipeline,
603            _param_spec: glib::ffi::gpointer,
604            f: glib::ffi::gpointer,
605        ) {
606            let f: &F = &*(f as *const F);
607            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
608        }
609        unsafe {
610            let f: Box_<F> = Box_::new(f);
611            connect_raw(
612                self.as_ptr() as *mut _,
613                b"notify::video-filter\0".as_ptr() as *const _,
614                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
615                    notify_video_filter_trampoline::<Self, F> as *const (),
616                )),
617                Box_::into_raw(f),
618            )
619        }
620    }
621
622    #[doc(alias = "video-sink")]
623    fn connect_video_sink_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
624        unsafe extern "C" fn notify_video_sink_trampoline<P: IsA<Pipeline>, F: Fn(&P) + 'static>(
625            this: *mut ffi::GESPipeline,
626            _param_spec: glib::ffi::gpointer,
627            f: glib::ffi::gpointer,
628        ) {
629            let f: &F = &*(f as *const F);
630            f(Pipeline::from_glib_borrow(this).unsafe_cast_ref())
631        }
632        unsafe {
633            let f: Box_<F> = Box_::new(f);
634            connect_raw(
635                self.as_ptr() as *mut _,
636                b"notify::video-sink\0".as_ptr() as *const _,
637                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
638                    notify_video_sink_trampoline::<Self, F> as *const (),
639                )),
640                Box_::into_raw(f),
641            )
642        }
643    }
644}
645
646impl<O: IsA<Pipeline>> GESPipelineExt for O {}
gstreamer_editing_services/auto/pipeline.rs

gstreamer_editing_services/auto/
pipeline.rs
