forked from mirrors/gstreamer-rs
66 lines
2.1 KiB
Rust
66 lines
2.1 KiB
Rust
// Copyright (C) 2017 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;
|
|
use glib::object::IsA;
|
|
use glib::translate::*;
|
|
use std::ptr;
|
|
use ChildProxy;
|
|
|
|
pub trait ChildProxyExtManual {
|
|
fn get_child_property(&self, name: &str) -> Option<glib::Value>;
|
|
fn set_child_property(&self, name: &str, value: &glib::ToValue) -> Result<(), glib::BoolError>;
|
|
}
|
|
|
|
impl<O: IsA<ChildProxy>> ChildProxyExtManual for O {
|
|
fn get_child_property(&self, name: &str) -> Option<glib::Value> {
|
|
unsafe {
|
|
let found: bool = from_glib(ffi::gst_child_proxy_lookup(
|
|
self.to_glib_none().0,
|
|
name.to_glib_none().0,
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
));
|
|
if !found {
|
|
return None;
|
|
}
|
|
|
|
let mut value = glib::Value::uninitialized();
|
|
ffi::gst_child_proxy_get_property(
|
|
self.to_glib_none().0,
|
|
name.to_glib_none().0,
|
|
value.to_glib_none_mut().0,
|
|
);
|
|
Some(value)
|
|
}
|
|
}
|
|
|
|
fn set_child_property(&self, name: &str, value: &glib::ToValue) -> Result<(), glib::BoolError> {
|
|
unsafe {
|
|
let found: bool = from_glib(ffi::gst_child_proxy_lookup(
|
|
self.to_glib_none().0,
|
|
name.to_glib_none().0,
|
|
ptr::null_mut(),
|
|
ptr::null_mut(),
|
|
));
|
|
if !found {
|
|
return Err(glib::BoolError("Child property not found"));
|
|
}
|
|
|
|
let value = value.to_value();
|
|
ffi::gst_child_proxy_set_property(
|
|
self.to_glib_none().0,
|
|
name.to_glib_none().0,
|
|
value.to_glib_none().0,
|
|
);
|
|
|
|
Ok(())
|
|
}
|
|
}
|
|
}
|