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
10pub trait PluginFeatureExtManual: IsA<PluginFeature> + 'static {
11    #[doc(alias = "get_rank")]
12    #[doc(alias = "gst_plugin_feature_get_rank")]
13    fn rank(&self) -> Rank {
14        unsafe {
15            let rank = ffi::gst_plugin_feature_get_rank(self.as_ref().to_glib_none().0);
16            from_glib(rank as i32)
17        }
18    }
19
20    #[doc(alias = "gst_plugin_feature_set_rank")]
21    fn set_rank(&self, rank: Rank) {
22        unsafe {
23            ffi::gst_plugin_feature_set_rank(
24                self.as_ref().to_glib_none().0,
25                rank.into_glib() as u32,
26            );
27        }
28    }
29
30    #[doc(alias = "gst_plugin_feature_load")]
31    fn load(&self) -> Result<Self, glib::BoolError> {
32        unsafe {
33            let loaded = Option::<PluginFeature>::from_glib_full(ffi::gst_plugin_feature_load(
34                self.as_ref().to_glib_none().0,
35            ))
36            .ok_or_else(|| glib::bool_error!("Failed to load plugin feature"))?;
37            Ok(loaded.unsafe_cast())
38        }
39    }
40}
41
42impl<O: IsA<PluginFeature>> PluginFeatureExtManual for O {}
43
44#[cfg(test)]
45mod tests {
46    use super::*;
47
48    #[test]
49    fn test_load() {
50        crate::init().unwrap();
51
52        let factory = crate::ElementFactory::find("identity").unwrap();
53        let loaded = factory.load().unwrap();
54        assert_eq!(factory.type_(), loaded.type_());
55        let _element = loaded.create().build().unwrap();
56    }
57}
gstreamer/plugin_feature.rs

gstreamer/
plugin_feature.rs
