gstreamer-rs/gstreamer/src/param_spec.rs
2020-04-12 17:25:54 +03:00

101 lines
2.5 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 glib;
use glib::translate::*;
use gst_sys;
pub trait GstParamSpecExt {
#[cfg(any(feature = "v1_14", feature = "dox"))]
fn array(
name: &str,
nick: &str,
blurb: &str,
element_spec: &glib::ParamSpec,
flags: glib::ParamFlags,
) -> Self;
fn fraction(
name: &str,
nick: &str,
blurb: &str,
min: ::Fraction,
max: ::Fraction,
default: ::Fraction,
flags: glib::ParamFlags,
) -> Self;
}
impl GstParamSpecExt for glib::ParamSpec {
#[cfg(any(feature = "v1_14", feature = "dox"))]
fn array(
name: &str,
nick: &str,
blurb: &str,
element_spec: &glib::ParamSpec,
flags: glib::ParamFlags,
) -> glib::ParamSpec {
assert_initialized_main_thread!();
unsafe {
from_glib_full(gst_sys::gst_param_spec_array(
name.to_glib_none().0,
nick.to_glib_none().0,
blurb.to_glib_none().0,
element_spec.to_glib_none().0,
flags.to_glib(),
))
}
}
fn fraction(
name: &str,
nick: &str,
blurb: &str,
min: ::Fraction,
max: ::Fraction,
default: ::Fraction,
flags: glib::ParamFlags,
) -> glib::ParamSpec {
assert_initialized_main_thread!();
unsafe {
from_glib_full(gst_sys::gst_param_spec_fraction(
name.to_glib_none().0,
nick.to_glib_none().0,
blurb.to_glib_none().0,
*min.numer(),
*min.denom(),
*max.numer(),
*max.denom(),
*default.numer(),
*default.denom(),
flags.to_glib(),
))
}
}
}
#[cfg(test)]
mod tests {
use glib;
use prelude::*;
#[test]
fn test_trait() {
::init().unwrap();
let _pspec = glib::ParamSpec::fraction(
"foo",
"Foo",
"Foo Bar",
(0, 1).into(),
(100, 1).into(),
(1, 1).into(),
glib::ParamFlags::READWRITE,
);
}
}