gstreamer-rs/gstreamer-base/src/aggregator.rs

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// Take a look at the license at the top of the repository in the LICENSE file.
use crate::Aggregator;
use glib::prelude::*;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use glib::signal::{connect_raw, SignalHandlerId};
use glib::translate::*;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use glib::Value;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use std::boxed::Box as Box_;
use std::mem;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
use std::mem::transmute;
use std::ptr;
pub trait AggregatorExtManual: 'static {
#[doc(alias = "get_allocator")]
#[doc(alias = "gst_aggregator_get_allocator")]
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams);
#[doc(alias = "gst_aggregator_finish_buffer")]
fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError>;
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#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(alias = "gst_aggregator_finish_buffer_list")]
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fn finish_buffer_list(
&self,
bufferlist: gst::BufferList,
) -> Result<gst::FlowSuccess, gst::FlowError>;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
fn min_upstream_latency(&self) -> gst::ClockTime;
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
fn set_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime);
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
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#[doc(alias = "min-upstream-latency")]
fn connect_min_upstream_latency_notify<F: Fn(&Self) + Send + Sync + 'static>(
&self,
f: F,
) -> SignalHandlerId;
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(alias = "gst_aggregator_update_segment")]
fn update_segment<F: gst::FormattedValue>(&self, segment: &gst::FormattedSegment<F>);
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#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
#[doc(alias = "gst_aggregator_selected_samples")]
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fn selected_samples(
&self,
pts: gst::ClockTime,
dts: gst::ClockTime,
duration: gst::ClockTime,
info: Option<&gst::StructureRef>,
);
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn connect_samples_selected<
P,
F: Fn(
&P,
&gst::Segment,
gst::ClockTime,
gst::ClockTime,
gst::ClockTime,
Option<&gst::StructureRef>,
) + Send
+ 'static,
>(
&self,
f: F,
) -> SignalHandlerId
where
P: IsA<Aggregator>;
}
impl<O: IsA<Aggregator>> AggregatorExtManual for O {
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fn allocator(&self) -> (Option<gst::Allocator>, gst::AllocationParams) {
unsafe {
let mut allocator = ptr::null_mut();
let mut params = mem::zeroed();
ffi::gst_aggregator_get_allocator(
self.as_ref().to_glib_none().0,
&mut allocator,
&mut params,
);
(from_glib_full(allocator), params.into())
}
}
fn finish_buffer(&self, buffer: gst::Buffer) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
gst::FlowSuccess::try_from_glib(ffi::gst_aggregator_finish_buffer(
self.as_ref().to_glib_none().0,
buffer.into_ptr(),
))
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}
}
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn finish_buffer_list(
&self,
bufferlist: gst::BufferList,
) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
gst::FlowSuccess::try_from_glib(ffi::gst_aggregator_finish_buffer_list(
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self.as_ref().to_glib_none().0,
bufferlist.into_ptr(),
))
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}
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}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
fn min_upstream_latency(&self) -> gst::ClockTime {
unsafe {
let mut value = Value::from_type(<gst::ClockTime as StaticType>::static_type());
glib::gobject_ffi::g_object_get_property(
self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
b"min-upstream-latency\0".as_ptr() as *const _,
value.to_glib_none_mut().0,
);
value
.get()
.expect("AggregatorExtManual::min_upstream_latency")
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
fn set_min_upstream_latency(&self, min_upstream_latency: gst::ClockTime) {
unsafe {
glib::gobject_ffi::g_object_set_property(
self.to_glib_none().0 as *mut glib::gobject_ffi::GObject,
b"min-upstream-latency\0".as_ptr() as *const _,
Value::from(&min_upstream_latency).to_glib_none().0,
);
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[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>(
&self,
f: F,
) -> SignalHandlerId {
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::min-upstream-latency\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
notify_min_upstream_latency_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
fn update_segment<F: gst::FormattedValue>(&self, segment: &gst::FormattedSegment<F>) {
unsafe {
ffi::gst_aggregator_update_segment(
self.as_ref().to_glib_none().0,
mut_override(segment.to_glib_none().0),
)
}
}
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#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn selected_samples(
&self,
pts: gst::ClockTime,
dts: gst::ClockTime,
duration: gst::ClockTime,
info: Option<&gst::StructureRef>,
) {
unsafe {
ffi::gst_aggregator_selected_samples(
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self.as_ref().to_glib_none().0,
pts.into_glib(),
dts.into_glib(),
duration.into_glib(),
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info.as_ref()
.map(|s| s.as_ptr() as *mut _)
.unwrap_or(ptr::null_mut()),
);
}
}
#[cfg(any(feature = "v1_18", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_18")))]
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fn connect_samples_selected<
P,
F: Fn(
&P,
&gst::Segment,
gst::ClockTime,
gst::ClockTime,
gst::ClockTime,
Option<&gst::StructureRef>,
) + Send
+ 'static,
>(
&self,
f: F,
) -> SignalHandlerId
where
P: IsA<Aggregator>,
{
unsafe extern "C" fn samples_selected_trampoline<
P,
F: Fn(
&P,
&gst::Segment,
gst::ClockTime,
gst::ClockTime,
gst::ClockTime,
Option<&gst::StructureRef>,
) + Send
+ 'static,
>(
this: *mut ffi::GstAggregator,
segment: *mut gst::ffi::GstSegment,
pts: gst::ffi::GstClockTime,
dts: gst::ffi::GstClockTime,
duration: gst::ffi::GstClockTime,
info: *mut gst::ffi::GstStructure,
f: glib::ffi::gpointer,
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) where
P: IsA<Aggregator>,
{
let f: &F = &*(f as *const F);
f(
&Aggregator::from_glib_borrow(this).unsafe_cast_ref(),
&gst::Segment::from_glib_borrow(segment),
from_glib(pts),
from_glib(dts),
from_glib(duration),
if info.is_null() {
None
} else {
Some(gst::StructureRef::from_glib_borrow(info))
},
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"samples-selected\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
samples_selected_trampoline::<P, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
#[cfg(any(feature = "v1_16", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_16")))]
unsafe extern "C" fn notify_min_upstream_latency_trampoline<P, F: Fn(&P) + Send + Sync + 'static>(
this: *mut ffi::GstAggregator,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) where
P: IsA<Aggregator>,
{
let f: &F = &*(f as *const F);
f(&Aggregator::from_glib_borrow(this).unsafe_cast_ref())
}