mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-06-02 21:39:24 +00:00
85 lines
2.3 KiB
Rust
85 lines
2.3 KiB
Rust
// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
use ffi;
|
|
use glib::object::{IsA, IsClassFor};
|
|
use glib::translate::*;
|
|
use gst;
|
|
use std::mem;
|
|
use std::ops;
|
|
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>;
|
|
}
|
|
|
|
impl<O: IsA<BaseSink>> BaseSinkExtManual for O {
|
|
fn get_segment(&self) -> gst::Segment {
|
|
unsafe {
|
|
let sink: &ffi::GstBaseSink = &*(self.as_ptr() as *const _);
|
|
::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 = mem::uninitialized();
|
|
let ret: gst::FlowReturn = from_glib(ffi::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(ffi::gst_base_sink_wait_preroll(
|
|
self.as_ref().to_glib_none().0,
|
|
))
|
|
};
|
|
ret.into_result()
|
|
}
|
|
}
|
|
|
|
#[repr(C)]
|
|
pub struct BaseSinkClass(ffi::GstBaseSinkClass);
|
|
|
|
unsafe impl IsClassFor for BaseSinkClass {
|
|
type Instance = BaseSink;
|
|
}
|
|
|
|
unsafe impl Send for BaseSinkClass {}
|
|
unsafe impl Sync for BaseSinkClass {}
|
|
|
|
impl ops::Deref for BaseSinkClass {
|
|
type Target = gst::ElementClass;
|
|
|
|
fn deref(&self) -> &Self::Target {
|
|
self.upcast_ref()
|
|
}
|
|
}
|
|
|
|
impl ops::DerefMut for BaseSinkClass {
|
|
fn deref_mut(&mut self) -> &mut Self::Target {
|
|
self.upcast_ref_mut()
|
|
}
|
|
}
|