gstreamer/
plugin_feature.rs

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}
gstreamer/plugin_feature.rs

gstreamer/
plugin_feature.rs
