1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{
4 prelude::*,
5 translate::{from_glib, FromGlibPtrFull, IntoGlib, ToGlibPtr},
6};
7
8use crate::{ffi, PluginFeature, Rank};
9
10mod sealed {
11 pub trait Sealed {}
12 impl<T: super::IsA<super::PluginFeature>> Sealed for T {}
13}
14
15pub trait PluginFeatureExtManual: sealed::Sealed + IsA<PluginFeature> + Sized + 'static {
16 #[doc(alias = "get_rank")]
17 #[doc(alias = "gst_plugin_feature_get_rank")]
18 fn rank(&self) -> Rank {
19 unsafe {
20 let rank = ffi::gst_plugin_feature_get_rank(self.as_ref().to_glib_none().0);
21 from_glib(rank as i32)
22 }
23 }
24
25 #[doc(alias = "gst_plugin_feature_set_rank")]
26 fn set_rank(&self, rank: Rank) {
27 unsafe {
28 ffi::gst_plugin_feature_set_rank(
29 self.as_ref().to_glib_none().0,
30 rank.into_glib() as u32,
31 );
32 }
33 }
34
35 #[doc(alias = "gst_plugin_feature_load")]
36 fn load(&self) -> Result<Self, glib::BoolError> {
37 unsafe {
38 let loaded = Option::<PluginFeature>::from_glib_full(ffi::gst_plugin_feature_load(
39 self.as_ref().to_glib_none().0,
40 ))
41 .ok_or_else(|| glib::bool_error!("Failed to load plugin feature"))?;
42 Ok(loaded.unsafe_cast())
43 }
44 }
45}
46
47impl<O: IsA<PluginFeature>> PluginFeatureExtManual for O {}
48
49#[cfg(test)]
50mod tests {
51 use super::*;
52
53 #[test]
54 fn test_load() {
55 crate::init().unwrap();
56
57 let factory = crate::ElementFactory::find("identity").unwrap();
58 let loaded = factory.load().unwrap();
59 assert_eq!(factory.type_(), loaded.type_());
60 let _element = loaded.create().build().unwrap();
61 }
62}
63