forked from mirrors/gstreamer-rs
112 lines
3.4 KiB
Rust
112 lines
3.4 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use crate::BaseSink;
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use glib::prelude::*;
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use glib::translate::*;
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use std::mem;
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pub trait BaseSinkExtManual: 'static {
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fn segment(&self) -> gst::Segment;
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fn wait(
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&self,
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time: gst::ClockTime,
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) -> (Result<gst::FlowSuccess, gst::FlowError>, gst::ClockTimeDiff);
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fn wait_preroll(&self) -> Result<gst::FlowSuccess, gst::FlowError>;
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fn wait_clock(
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&self,
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time: gst::ClockTime,
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) -> (
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Result<gst::ClockSuccess, gst::ClockError>,
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gst::ClockTimeDiff,
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);
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fn query_latency(
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&self,
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) -> Result<(bool, bool, gst::ClockTime, gst::ClockTime), glib::BoolError>;
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}
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impl<O: IsA<BaseSink>> BaseSinkExtManual for O {
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fn segment(&self) -> gst::Segment {
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unsafe {
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let sink: &ffi::GstBaseSink = &*(self.as_ptr() as *const _);
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let _guard = crate::utils::MutexGuard::lock(&sink.element.object.lock);
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from_glib_none(&sink.segment as *const _)
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}
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}
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fn wait(
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&self,
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time: gst::ClockTime,
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) -> (Result<gst::FlowSuccess, gst::FlowError>, gst::ClockTimeDiff) {
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unsafe {
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let mut jitter = 0;
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let ret: gst::FlowReturn = from_glib(ffi::gst_base_sink_wait(
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self.as_ref().to_glib_none().0,
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time.into_glib(),
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&mut jitter,
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));
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(ret.into_result(), jitter)
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}
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}
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fn wait_preroll(&self) -> Result<gst::FlowSuccess, gst::FlowError> {
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let ret: gst::FlowReturn = unsafe {
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from_glib(ffi::gst_base_sink_wait_preroll(
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self.as_ref().to_glib_none().0,
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))
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};
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ret.into_result()
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}
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fn wait_clock(
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&self,
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time: gst::ClockTime,
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) -> (
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Result<gst::ClockSuccess, gst::ClockError>,
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gst::ClockTimeDiff,
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) {
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unsafe {
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let mut jitter = 0;
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let ret: gst::ClockReturn = from_glib(ffi::gst_base_sink_wait_clock(
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self.as_ref().to_glib_none().0,
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time.into_glib(),
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&mut jitter,
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));
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(ret.into_result(), jitter)
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}
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}
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fn query_latency(
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&self,
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) -> Result<(bool, bool, gst::ClockTime, gst::ClockTime), glib::BoolError> {
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unsafe {
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let mut live = mem::MaybeUninit::uninit();
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let mut upstream_live = mem::MaybeUninit::uninit();
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let mut min_latency = mem::MaybeUninit::uninit();
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let mut max_latency = mem::MaybeUninit::uninit();
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let ret = from_glib(ffi::gst_base_sink_query_latency(
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self.as_ref().to_glib_none().0,
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live.as_mut_ptr(),
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upstream_live.as_mut_ptr(),
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min_latency.as_mut_ptr(),
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max_latency.as_mut_ptr(),
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));
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let live = live.assume_init();
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let upstream_live = upstream_live.assume_init();
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let min_latency = min_latency.assume_init();
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let max_latency = max_latency.assume_init();
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if ret {
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Ok((
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from_glib(live),
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from_glib(upstream_live),
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from_glib(min_latency),
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from_glib(max_latency),
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))
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} else {
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Err(glib::bool_error!("Failed to query latency"))
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}
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}
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}
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}
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