gstreamer-rs/gstreamer/src/ghost_pad.rs

93 lines
3.1 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 glib::object::Cast;
use glib::object::IsA;
use glib::translate::*;
use gst_sys;
use GhostPad;
use Object;
use Pad;
use PadMode;
use PadTemplate;
impl GhostPad {
pub fn new<Q: IsA<Pad>>(name: Option<&str>, target: &Q) -> Result<GhostPad, glib::BoolError> {
skip_assert_initialized!();
let name = name.to_glib_none();
unsafe {
Option::<Pad>::from_glib_none(gst_sys::gst_ghost_pad_new(
name.0,
target.as_ref().to_glib_none().0,
))
.map(|o| Cast::unsafe_cast(o))
.ok_or_else(|| glib_bool_error!("Failed to create GhostPad"))
}
}
pub fn new_from_template<Q: IsA<Pad>>(
name: Option<&str>,
target: &Q,
templ: &PadTemplate,
) -> Result<GhostPad, glib::BoolError> {
skip_assert_initialized!();
let name = name.to_glib_none();
unsafe {
Option::<Pad>::from_glib_none(gst_sys::gst_ghost_pad_new_from_template(
name.0,
target.as_ref().to_glib_none().0,
templ.to_glib_none().0,
))
.map(|o| Cast::unsafe_cast(o))
.ok_or_else(|| glib_bool_error!("Failed to create GhostPad"))
}
}
pub fn activate_mode_default<P: IsA<GhostPad>, Q: IsA<Object>>(
pad: &P,
parent: Option<&Q>,
mode: PadMode,
active: bool,
) -> Result<(), glib::BoolError> {
skip_assert_initialized!();
unsafe {
glib_result_from_gboolean!(
gst_sys::gst_ghost_pad_activate_mode_default(
pad.to_glib_none().0 as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
mode.to_glib(),
active.to_glib(),
),
"Failed to invoke the default activate mode function of the ghost pad"
)
}
}
pub fn internal_activate_mode_default<P: IsA<GhostPad>, Q: IsA<Object>>(
pad: &P,
parent: Option<&Q>,
mode: PadMode,
active: bool,
) -> Result<(), glib::BoolError> {
skip_assert_initialized!();
unsafe {
glib_result_from_gboolean!(
gst_sys::gst_ghost_pad_internal_activate_mode_default(
pad.to_glib_none().0 as *mut gst_sys::GstPad,
parent.map(|p| p.as_ref()).to_glib_none().0,
mode.to_glib(),
active.to_glib(),
),
concat!(
"Failed to invoke the default activate mode function of a proxy pad ",
"that is owned by the ghost pad"
)
)
}
}
}