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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT
use crate::{ffi, Caps, Element, Object, Structure};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::boxed::Box as Box_;
glib::wrapper! {
/// [`Device`][crate::Device] are objects representing a device, they contain
/// relevant metadata about the device, such as its class and the [`Caps`][crate::Caps]
/// representing the media types it can produce or handle.
///
/// [`Device`][crate::Device] are created by [`DeviceProvider`][crate::DeviceProvider] objects which can be
/// aggregated by [`DeviceMonitor`][crate::DeviceMonitor] objects.
///
/// This is an Abstract Base Class, you cannot instantiate it.
///
/// ## Properties
///
///
/// #### `caps`
/// Readable | Writeable | Construct Only
///
///
/// #### `device-class`
/// Readable | Writeable | Construct Only
///
///
/// #### `display-name`
/// Readable | Writeable | Construct Only
///
///
/// #### `properties`
/// Readable | Writeable | Construct Only
/// <details><summary><h4>Object</h4></summary>
///
///
/// #### `name`
/// Readable | Writeable | Construct
///
///
/// #### `parent`
/// The parent of the object. Please note, that when changing the 'parent'
/// property, we don't emit [`notify`][struct@crate::glib::Object#notify] and [`deep-notify`][struct@crate::Object#deep-notify]
/// signals due to locking issues. In some cases one can use
/// [`element-added`][struct@crate::Bin#element-added] or [`element-removed`][struct@crate::Bin#element-removed] signals on the parent to
/// achieve a similar effect.
///
/// Readable | Writeable
/// </details>
///
/// ## Signals
///
///
/// #### `removed`
///
/// <details><summary><h4>Object</h4></summary>
///
///
/// #### `deep-notify`
/// The deep notify signal is used to be notified of property changes. It is
/// typically attached to the toplevel bin to receive notifications from all
/// the elements contained in that bin.
///
/// Detailed
/// </details>
///
/// # Implements
///
/// [`DeviceExt`][trait@crate::prelude::DeviceExt], [`GstObjectExt`][trait@crate::prelude::GstObjectExt], [`trait@glib::ObjectExt`]
#[doc(alias = "GstDevice")]
pub struct Device(Object<ffi::GstDevice, ffi::GstDeviceClass>) @extends Object;
match fn {
type_ => || ffi::gst_device_get_type(),
}
}
impl Device {
pub const NONE: Option<&'static Device> = None;
}
unsafe impl Send for Device {}
unsafe impl Sync for Device {}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::Device>> Sealed for T {}
}
/// Trait containing all [`struct@Device`] methods.
///
/// # Implementors
///
/// [`Device`][struct@crate::Device]
pub trait DeviceExt: IsA<Device> + sealed::Sealed + 'static {
/// Creates the element with all of the required parameters set to use
/// this device.
/// ## `name`
/// name of new element, or [`None`] to automatically
/// create a unique name.
///
/// # Returns
///
/// a new [`Element`][crate::Element] configured to use
/// this device
#[doc(alias = "gst_device_create_element")]
fn create_element(&self, name: Option<&str>) -> Result<Element, glib::BoolError> {
unsafe {
Option::<_>::from_glib_none(ffi::gst_device_create_element(
self.as_ref().to_glib_none().0,
name.to_glib_none().0,
))
.ok_or_else(|| glib::bool_error!("Failed to create element for device"))
}
}
/// Getter for the [`Caps`][crate::Caps] that this device supports.
///
/// # Returns
///
/// The [`Caps`][crate::Caps] supported by this device. Unref with
/// `gst_caps_unref()` when done.
#[doc(alias = "gst_device_get_caps")]
#[doc(alias = "get_caps")]
fn caps(&self) -> Option<Caps> {
unsafe { from_glib_full(ffi::gst_device_get_caps(self.as_ref().to_glib_none().0)) }
}
/// Gets the "class" of a device. This is a "/" separated list of
/// classes that represent this device. They are a subset of the
/// classes of the [`DeviceProvider`][crate::DeviceProvider] that produced this device.
///
/// # Returns
///
/// The device class. Free with `g_free()` after use.
#[doc(alias = "gst_device_get_device_class")]
#[doc(alias = "get_device_class")]
#[doc(alias = "device-class")]
fn device_class(&self) -> glib::GString {
unsafe {
from_glib_full(ffi::gst_device_get_device_class(
self.as_ref().to_glib_none().0,
))
}
}
/// Gets the user-friendly name of the device.
///
/// # Returns
///
/// The device name. Free with `g_free()` after use.
#[doc(alias = "gst_device_get_display_name")]
#[doc(alias = "get_display_name")]
#[doc(alias = "display-name")]
fn display_name(&self) -> glib::GString {
unsafe {
from_glib_full(ffi::gst_device_get_display_name(
self.as_ref().to_glib_none().0,
))
}
}
/// Gets the extra properties of a device.
///
/// # Returns
///
/// The extra properties or [`None`] when there are none.
/// Free with `gst_structure_free()` after use.
#[doc(alias = "gst_device_get_properties")]
#[doc(alias = "get_properties")]
fn properties(&self) -> Option<Structure> {
unsafe {
from_glib_full(ffi::gst_device_get_properties(
self.as_ref().to_glib_none().0,
))
}
}
/// Check if `self` matches all of the given classes
/// ## `classes`
/// a "/"-separated list of device classes to match, only match if
/// all classes are matched
///
/// # Returns
///
/// [`true`] if `self` matches.
#[doc(alias = "gst_device_has_classes")]
fn has_classes(&self, classes: &str) -> bool {
unsafe {
from_glib(ffi::gst_device_has_classes(
self.as_ref().to_glib_none().0,
classes.to_glib_none().0,
))
}
}
/// Check if `factory` matches all of the given classes
/// ## `classes`
/// a [`None`] terminated array of classes
/// to match, only match if all classes are matched
///
/// # Returns
///
/// [`true`] if `self` matches.
#[doc(alias = "gst_device_has_classesv")]
fn has_classesv(&self, classes: &[&str]) -> bool {
unsafe {
from_glib(ffi::gst_device_has_classesv(
self.as_ref().to_glib_none().0,
classes.to_glib_none().0,
))
}
}
/// Tries to reconfigure an existing element to use the device. If this
/// function fails, then one must destroy the element and create a new one
/// using [`create_element()`][Self::create_element()].
///
/// Note: This should only be implemented for elements can change their
/// device in the PLAYING state.
/// ## `element`
/// a [`Element`][crate::Element]
///
/// # Returns
///
/// [`true`] if the element could be reconfigured to use this device,
/// [`false`] otherwise.
#[doc(alias = "gst_device_reconfigure_element")]
fn reconfigure_element(
&self,
element: &impl IsA<Element>,
) -> Result<(), glib::error::BoolError> {
unsafe {
glib::result_from_gboolean!(
ffi::gst_device_reconfigure_element(
self.as_ref().to_glib_none().0,
element.as_ref().to_glib_none().0
),
"Failed to reconfigure the element to use this device"
)
}
}
#[doc(alias = "removed")]
fn connect_removed<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn removed_trampoline<
P: IsA<Device>,
F: Fn(&P) + Send + Sync + 'static,
>(
this: *mut ffi::GstDevice,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(Device::from_glib_borrow(this).unsafe_cast_ref())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"removed\0".as_ptr() as *const _,
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
removed_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl<O: IsA<Device>> DeviceExt for O {}