mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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105 lines
3.7 KiB
Rust
105 lines
3.7 KiB
Rust
// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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use glib::prelude::*;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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use glib::signal::{connect_raw, SignalHandlerId};
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use glib::translate::*;
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use glib::IsA;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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use glib::Value;
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use gst;
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use gst_base_sys;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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use std::boxed::Box as Box_;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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use std::mem::transmute;
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use Aggregator;
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pub trait AggregatorExtManual: 'static {
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fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError>;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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fn get_property_min_upstream_latency(&self) -> gst::ClockTime;
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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fn set_property_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime);
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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fn connect_property_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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}
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impl<O: IsA<Aggregator>> AggregatorExtManual for O {
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fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(gst_base_sys::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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ret.into_result()
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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fn get_property_min_upstream_latency(&self) -> gst::ClockTime {
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unsafe {
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let mut value = Value::from_type(<gst::ClockTime as StaticType>::static_type());
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gobject_sys::g_object_get_property(
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self.to_glib_none().0 as *mut gobject_sys::GObject,
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b"min-upstream-latency\0".as_ptr() as *const _,
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value.to_glib_none_mut().0,
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);
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value.get().unwrap()
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}
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}
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#[cfg(any(feature = "v1_16", feature = "dox"))]
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fn set_property_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime) {
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unsafe {
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gobject_sys::g_object_set_property(
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self.to_glib_none().0 as *mut gobject_sys::GObject,
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b"min-upstream-latency\0".as_ptr() as *const _,
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Value::from(&min_upstream_latency).to_glib_none().0,
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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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fn connect_property_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(
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notify_min_upstream_latency_trampoline::<Self, F> as usize,
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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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unsafe extern "C" fn notify_min_upstream_latency_trampoline<P, F: Fn(&P) + Send + Sync + 'static>(
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this: *mut gst_base_sys::GstAggregator,
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_param_spec: glib_sys::gpointer,
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f: glib_sys::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())
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}
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