gstreamer-rs/gstreamer-base/src/base_src.rs

55 lines
1.8 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;
use glib::translate::*;
use gst;
use BaseSrc;
pub trait BaseSrcExtManual: 'static {
fn get_segment(&self) -> gst::Segment;
fn start_complete(&self, ret: Result<gst::FlowSuccess, gst::FlowError>);
fn start_wait(&self) -> Result<gst::FlowSuccess, gst::FlowError>;
fn wait_playing(&self) -> Result<gst::FlowSuccess, gst::FlowError>;
}
impl<O: IsA<BaseSrc>> BaseSrcExtManual for O {
fn get_segment(&self) -> gst::Segment {
unsafe {
let src: &ffi::GstBaseSrc = &*(self.as_ptr() as *const _);
::utils::MutexGuard::lock(&src.element.object.lock);
from_glib_none(&src.segment as *const _)
}
}
fn start_complete(&self, ret: Result<gst::FlowSuccess, gst::FlowError>) {
let ret: gst::FlowReturn = ret.into();
unsafe {
ffi::gst_base_src_start_complete(self.as_ref().to_glib_none().0, ret.to_glib());
}
}
fn start_wait(&self) -> Result<gst::FlowSuccess, gst::FlowError> {
let ret: gst::FlowReturn =
unsafe { from_glib(ffi::gst_base_src_start_wait(self.as_ref().to_glib_none().0)) };
ret.into_result()
}
fn wait_playing(&self) -> Result<gst::FlowSuccess, gst::FlowError> {
let ret: gst::FlowReturn = unsafe {
from_glib(ffi::gst_base_src_wait_playing(
self.as_ref().to_glib_none().0,
))
};
ret.into_result()
}
}