forked from mirrors/gstreamer-rs
290 lines
9.9 KiB
Rust
290 lines
9.9 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use crate::Aggregator;
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use glib::prelude::*;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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use glib::signal::{connect_raw, SignalHandlerId};
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use glib::translate::*;
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use gst::FormattedValue;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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use std::boxed::Box as Box_;
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use std::mem;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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use std::mem::transmute;
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use std::ptr;
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pub trait AggregatorExtManual: 'static {
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#[doc(alias = "get_allocator")]
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#[doc(alias = "gst_aggregator_get_allocator")]
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams);
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#[doc(alias = "gst_aggregator_finish_buffer")]
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fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError>;
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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#[doc(alias = "gst_aggregator_finish_buffer_list")]
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fn finish_buffer_list(
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&self,
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bufferlist: gst::BufferList,
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) -> Result<gst::FlowSuccess, gst::FlowError>;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
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fn min_upstream_latency(&self) -> gst::ClockTime;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
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fn set_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime);
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
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fn connect_min_upstream_latency_notify<F: Fn(&Self) + Send + Sync + 'static>(
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&self,
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f: F,
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) -> SignalHandlerId;
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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#[doc(alias = "gst_aggregator_update_segment")]
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fn update_segment<F: gst::FormattedValueIntrinsic>(&self, segment: &gst::FormattedSegment<F>);
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fn set_position<V: FormattedValue>(&self, position: V);
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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#[doc(alias = "gst_aggregator_selected_samples")]
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fn selected_samples(
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&self,
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pts: impl Into<Option<gst::ClockTime>>,
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dts: impl Into<Option<gst::ClockTime>>,
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duration: impl Into<Option<gst::ClockTime>>,
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info: Option<&gst::StructureRef>,
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);
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn connect_samples_selected<
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P,
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F: Fn(
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&P,
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&gst::Segment,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<&gst::StructureRef>,
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) + Send
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+ 'static,
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>(
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&self,
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f: F,
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) -> SignalHandlerId
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where
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P: IsA<Aggregator>;
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}
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impl<O: IsA<Aggregator>> AggregatorExtManual for O {
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
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unsafe {
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let mut allocator = ptr::null_mut();
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let mut params = mem::zeroed();
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ffi::gst_aggregator_get_allocator(
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self.as_ref().to_glib_none().0,
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&mut allocator,
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&mut params,
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);
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(from_glib_full(allocator), params.into())
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}
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}
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fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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try_from_glib(ffi::gst_aggregator_finish_buffer(
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self.as_ref().to_glib_none().0,
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buffer.into_ptr(),
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))
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}
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}
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn finish_buffer_list(
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&self,
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bufferlist: gst::BufferList,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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try_from_glib(ffi::gst_aggregator_finish_buffer_list(
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self.as_ref().to_glib_none().0,
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bufferlist.into_ptr(),
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))
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}
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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fn min_upstream_latency(&self) -> gst::ClockTime {
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self.as_ref().property("min-upstream-latency")
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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fn set_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime) {
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self.as_ref()
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.set_property("min-upstream-latency", &min_upstream_latency);
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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fn connect_min_upstream_latency_notify<F: Fn(&Self) + Send + Sync + 'static>(
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&self,
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f: F,
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) -> SignalHandlerId {
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unsafe {
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let f: Box_<F> = Box_::new(f);
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connect_raw(
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self.as_ptr() as *mut _,
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b"notify::min-upstream-latency\0".as_ptr() as *const _,
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Some(transmute::<_, unsafe extern "C" fn()>(
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notify_min_upstream_latency_trampoline::<Self, F> as *const (),
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)),
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Box_::into_raw(f),
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)
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}
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}
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn update_segment<F: gst::FormattedValueIntrinsic>(&self, segment: &gst::FormattedSegment<F>) {
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unsafe {
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ffi::gst_aggregator_update_segment(
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self.as_ref().to_glib_none().0,
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mut_override(segment.to_glib_none().0),
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)
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}
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}
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fn set_position<V: FormattedValue>(&self, position: V) {
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unsafe {
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let ptr: *mut ffi::GstAggregator = self.as_ref().to_glib_none().0;
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let ptr = &mut *ptr;
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let _guard = crate::utils::MutexGuard::lock(&ptr.parent.object.lock);
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// gstaggregator.c asserts that the src pad is always of type GST_TYPE_AGGREGATOR_PAD,
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// so the pointer cast here should be safe.
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let srcpad = &mut *(ptr.srcpad as *mut ffi::GstAggregatorPad);
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assert_eq!(srcpad.segment.format, position.format().into_glib());
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srcpad.segment.position = position.into_raw_value() as u64;
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}
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}
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn selected_samples(
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&self,
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pts: impl Into<Option<gst::ClockTime>>,
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dts: impl Into<Option<gst::ClockTime>>,
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duration: impl Into<Option<gst::ClockTime>>,
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info: Option<&gst::StructureRef>,
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) {
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unsafe {
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ffi::gst_aggregator_selected_samples(
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self.as_ref().to_glib_none().0,
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pts.into().into_glib(),
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dts.into().into_glib(),
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duration.into().into_glib(),
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info.as_ref()
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.map(|s| s.as_ptr() as *mut _)
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.unwrap_or(ptr::null_mut()),
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);
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}
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}
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#[cfg(any(feature = "v1_18", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn connect_samples_selected<
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P,
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F: Fn(
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&P,
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&gst::Segment,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<&gst::StructureRef>,
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) + Send
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+ 'static,
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>(
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&self,
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f: F,
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) -> SignalHandlerId
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where
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P: IsA<Aggregator>,
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{
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unsafe extern "C" fn samples_selected_trampoline<
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P,
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F: Fn(
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&P,
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&gst::Segment,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<gst::ClockTime>,
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Option<&gst::StructureRef>,
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) + Send
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+ 'static,
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>(
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this: *mut ffi::GstAggregator,
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segment: *mut gst::ffi::GstSegment,
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pts: gst::ffi::GstClockTime,
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dts: gst::ffi::GstClockTime,
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duration: gst::ffi::GstClockTime,
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info: *mut gst::ffi::GstStructure,
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f: glib::ffi::gpointer,
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) where
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P: IsA<Aggregator>,
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{
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let f: &F = &*(f as *const F);
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f(
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Aggregator::from_glib_borrow(this).unsafe_cast_ref(),
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&gst::Segment::from_glib_borrow(segment),
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from_glib(pts),
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from_glib(dts),
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from_glib(duration),
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if info.is_null() {
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None
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} else {
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Some(gst::StructureRef::from_glib_borrow(info))
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},
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)
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}
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unsafe {
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let f: Box_<F> = Box_::new(f);
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connect_raw(
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self.as_ptr() as *mut _,
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b"samples-selected\0".as_ptr() as *const _,
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Some(transmute::<_, unsafe extern "C" fn()>(
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samples_selected_trampoline::<P, F> as *const (),
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)),
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Box_::into_raw(f),
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)
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}
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}
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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unsafe extern "C" fn notify_min_upstream_latency_trampoline<P, F: Fn(&P) + Send + Sync + 'static>(
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this: *mut ffi::GstAggregator,
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_param_spec: glib::ffi::gpointer,
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f: glib::ffi::gpointer,
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) where
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P: IsA<Aggregator>,
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{
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let f: &F = &*(f as *const F);
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f(Aggregator::from_glib_borrow(this).unsafe_cast_ref())
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}
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