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use glib::object::IsA;
use glib::translate::*;
use gst;
use gst_base_sys;
use std::mem;
use BaseSink;
pub trait BaseSinkExtManual: 'static {
fn get_segment(&self) -> gst::Segment;
fn wait(
&self,
time: gst::ClockTime,
) -> (Result<gst::FlowSuccess, gst::FlowError>, gst::ClockTimeDiff);
fn wait_preroll(&self) -> Result<gst::FlowSuccess, gst::FlowError>;
fn wait_clock(
&self,
time: gst::ClockTime,
) -> (
Result<gst::ClockSuccess, gst::ClockError>,
gst::ClockTimeDiff,
);
fn query_latency(
&self,
) -> Result<(bool, bool, gst::ClockTime, gst::ClockTime), glib::BoolError>;
}
impl<O: IsA<BaseSink>> BaseSinkExtManual for O {
fn get_segment(&self) -> gst::Segment {
unsafe {
let sink: &gst_base_sys::GstBaseSink = &*(self.as_ptr() as *const _);
let _guard = ::utils::MutexGuard::lock(&sink.element.object.lock);
from_glib_none(&sink.segment as *const _)
}
}
fn wait(
&self,
time: gst::ClockTime,
) -> (Result<gst::FlowSuccess, gst::FlowError>, gst::ClockTimeDiff) {
unsafe {
let mut jitter = 0;
let ret: gst::FlowReturn = from_glib(gst_base_sys::gst_base_sink_wait(
self.as_ref().to_glib_none().0,
time.to_glib(),
&mut jitter,
));
(ret.into_result(), jitter)
}
}
fn wait_preroll(&self) -> Result<gst::FlowSuccess, gst::FlowError> {
let ret: gst::FlowReturn = unsafe {
from_glib(gst_base_sys::gst_base_sink_wait_preroll(
self.as_ref().to_glib_none().0,
))
};
ret.into_result()
}
fn wait_clock(
&self,
time: gst::ClockTime,
) -> (
Result<gst::ClockSuccess, gst::ClockError>,
gst::ClockTimeDiff,
) {
unsafe {
let mut jitter = 0;
let ret: gst::ClockReturn = from_glib(gst_base_sys::gst_base_sink_wait_clock(
self.as_ref().to_glib_none().0,
time.to_glib(),
&mut jitter,
));
(ret.into_result(), jitter)
}
}
fn query_latency(
&self,
) -> Result<(bool, bool, gst::ClockTime, gst::ClockTime), glib::BoolError> {
unsafe {
let mut live = mem::MaybeUninit::uninit();
let mut upstream_live = mem::MaybeUninit::uninit();
let mut min_latency = mem::MaybeUninit::uninit();
let mut max_latency = mem::MaybeUninit::uninit();
let ret = from_glib(gst_base_sys::gst_base_sink_query_latency(
self.as_ref().to_glib_none().0,
live.as_mut_ptr(),
upstream_live.as_mut_ptr(),
min_latency.as_mut_ptr(),
max_latency.as_mut_ptr(),
));
let live = live.assume_init();
let upstream_live = upstream_live.assume_init();
let min_latency = min_latency.assume_init();
let max_latency = max_latency.assume_init();
if ret {
Ok((
from_glib(live),
from_glib(upstream_live),
from_glib(min_latency),
from_glib(max_latency),
))
} else {
Err(glib_bool_error!("Failed to query latency"))
}
}
}
}