gstreamer-rs/gstreamer-audio/src/audio_aggregator.rs

93 lines
3.2 KiB
Rust

#[cfg(feature = "v1_18")]
use std::mem::transmute;
#[cfg(feature = "v1_18")]
use glib::object::Cast;
#[cfg(feature = "v1_18")]
use glib::signal::{connect_raw, SignalHandlerId};
use glib::{object::IsA, translate::*};
use gst::prelude::*;
use crate::auto::{AudioAggregator, AudioAggregatorPad};
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::AudioAggregator>> Sealed for T {}
}
pub trait AudioAggregatorExtManual: sealed::Sealed + IsA<AudioAggregator> + 'static {
#[doc(alias = "gst_audio_aggregator_set_sink_caps")]
fn set_sink_caps(&self, pad: &impl IsA<AudioAggregatorPad>, caps: &gst::CapsRef) {
unsafe {
ffi::gst_audio_aggregator_set_sink_caps(
self.as_ref().to_glib_none().0,
pad.as_ref().to_glib_none().0,
caps.as_mut_ptr(),
);
}
}
#[cfg(feature = "v1_18")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
#[doc(alias = "output-buffer-duration-fraction")]
fn output_buffer_duration_fraction(&self) -> gst::Fraction {
glib::ObjectExt::property(self.as_ref(), "output-buffer-duration-fraction")
}
#[cfg(feature = "v1_18")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
#[doc(alias = "output-buffer-duration-fraction")]
fn set_output_buffer_duration_fraction(&self, output_buffer_duration_fraction: gst::Fraction) {
glib::ObjectExt::set_property(
self.as_ref(),
"output-buffer-duration-fraction",
output_buffer_duration_fraction,
)
}
#[cfg(feature = "v1_18")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
#[doc(alias = "output-buffer-duration-fraction")]
fn connect_output_buffer_duration_fraction_notify<F: Fn(&Self) + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId {
unsafe extern "C" fn notify_output_buffer_duration_fraction_trampoline<
P: IsA<AudioAggregator>,
F: Fn(&P) + Send + Sync + 'static,
>(
this: *mut ffi::GstAudioAggregator,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(AudioAggregator::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box<F> = Box::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::output-buffer-duration-fraction\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_output_buffer_duration_fraction_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn current_caps(&self) -> Option<gst::Caps> {
unsafe {
let ptr = self.as_ptr() as *mut ffi::GstAudioAggregator;
let _guard = self.as_ref().object_lock();
from_glib_none((*ptr).current_caps)
}
}
fn current_audio_info(&self) -> Option<crate::AudioInfo> {
self.current_caps()
.and_then(|caps| crate::AudioInfo::from_caps(&caps).ok())
}
}
impl<O: IsA<AudioAggregator>> AudioAggregatorExtManual for O {}