gstreamer_audio/
audio_aggregator.rs

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1#[cfg(feature = "v1_18")]
2use std::mem::transmute;
3
4#[cfg(feature = "v1_18")]
5use glib::object::Cast;
6#[cfg(feature = "v1_18")]
7use glib::signal::{connect_raw, SignalHandlerId};
8use glib::translate::*;
9use gst::prelude::*;
10
11use crate::{ffi, AudioAggregator, AudioAggregatorPad};
12
13mod sealed {
14    pub trait Sealed {}
15    impl<T: super::IsA<super::AudioAggregator>> Sealed for T {}
16}
17
18pub trait AudioAggregatorExtManual: sealed::Sealed + IsA<AudioAggregator> + 'static {
19    #[doc(alias = "gst_audio_aggregator_set_sink_caps")]
20    fn set_sink_caps(&self, pad: &impl IsA<AudioAggregatorPad>, caps: &gst::CapsRef) {
21        unsafe {
22            ffi::gst_audio_aggregator_set_sink_caps(
23                self.as_ref().to_glib_none().0,
24                pad.as_ref().to_glib_none().0,
25                caps.as_mut_ptr(),
26            );
27        }
28    }
29
30    #[cfg(feature = "v1_18")]
31    #[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
32    #[doc(alias = "output-buffer-duration-fraction")]
33    fn output_buffer_duration_fraction(&self) -> gst::Fraction {
34        ObjectExt::property(self.as_ref(), "output-buffer-duration-fraction")
35    }
36
37    #[cfg(feature = "v1_18")]
38    #[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
39    #[doc(alias = "output-buffer-duration-fraction")]
40    fn set_output_buffer_duration_fraction(&self, output_buffer_duration_fraction: gst::Fraction) {
41        ObjectExt::set_property(
42            self.as_ref(),
43            "output-buffer-duration-fraction",
44            output_buffer_duration_fraction,
45        )
46    }
47
48    #[cfg(feature = "v1_18")]
49    #[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
50    #[doc(alias = "output-buffer-duration-fraction")]
51    fn connect_output_buffer_duration_fraction_notify<F: Fn(&Self) + Send + Sync + 'static>(
52        &self,
53        f: F,
54    ) -> SignalHandlerId {
55        unsafe extern "C" fn notify_output_buffer_duration_fraction_trampoline<
56            P: IsA<AudioAggregator>,
57            F: Fn(&P) + Send + Sync + 'static,
58        >(
59            this: *mut ffi::GstAudioAggregator,
60            _param_spec: glib::ffi::gpointer,
61            f: glib::ffi::gpointer,
62        ) {
63            let f: &F = &*(f as *const F);
64            f(AudioAggregator::from_glib_borrow(this).unsafe_cast_ref())
65        }
66        unsafe {
67            let f: Box<F> = Box::new(f);
68            connect_raw(
69                self.as_ptr() as *mut _,
70                b"notify::output-buffer-duration-fraction\0".as_ptr() as *const _,
71                Some(transmute::<*const (), unsafe extern "C" fn()>(
72                    notify_output_buffer_duration_fraction_trampoline::<Self, F> as *const (),
73                )),
74                Box::into_raw(f),
75            )
76        }
77    }
78
79    fn current_caps(&self) -> Option<gst::Caps> {
80        unsafe {
81            let ptr = self.as_ptr() as *mut ffi::GstAudioAggregator;
82            let _guard = self.as_ref().object_lock();
83            from_glib_none((*ptr).current_caps)
84        }
85    }
86
87    fn current_audio_info(&self) -> Option<crate::AudioInfo> {
88        self.current_caps()
89            .and_then(|caps| crate::AudioInfo::from_caps(&caps).ok())
90    }
91}
92
93impl<O: IsA<AudioAggregator>> AudioAggregatorExtManual for O {}
gstreamer_audio/audio_aggregator.rs

gstreamer_audio/
audio_aggregator.rs
