gstreamer: Add getters for ElementFactory/DeviceProviderFactory metadata

gstreamer/Gir.toml

@@ -1113,6 +1113,11 @@ final_type = true
     # Use glib::List as return type
     manual = true
 
+    [[object.function]]
+    name = "get_metadata"
+    # Use str as return type
+    manual = true
+
 [[object]]
 name = "Gst.TypeFindFactory"
 status = "generate"
@@ -1139,6 +1144,11 @@ final_type = true
     # Use glib::List as return type
     manual = true
 
+    [[object.function]]
+    name = "get_metadata"
+    # Use str as return type
+    manual = true
+
 [[object]]
 name = "Gst.DeviceProvider"
 status = "generate"

gstreamer/src/auto/device_provider_factory.rs

@@ -33,17 +33,6 @@ impl DeviceProviderFactory {
         }
     }
 
-    #[doc(alias = "gst_device_provider_factory_get_metadata")]
-    #[doc(alias = "get_metadata")]
-    pub fn metadata(&self, key: &str) -> Option<glib::GString> {
-        unsafe {
-            from_glib_none(ffi::gst_device_provider_factory_get_metadata(
-                self.to_glib_none().0,
-                key.to_glib_none().0,
-            ))
-        }
-    }
-
     #[doc(alias = "gst_device_provider_factory_get_metadata_keys")]
     #[doc(alias = "get_metadata_keys")]
     pub fn metadata_keys(&self) -> Vec<glib::GString> {

gstreamer/src/auto/element_factory.rs

@@ -81,17 +81,6 @@ impl ElementFactory {
         }
     }
 
-    #[doc(alias = "gst_element_factory_get_metadata")]
-    #[doc(alias = "get_metadata")]
-    pub fn metadata(&self, key: &str) -> Option<glib::GString> {
-        unsafe {
-            from_glib_none(ffi::gst_element_factory_get_metadata(
-                self.to_glib_none().0,
-                key.to_glib_none().0,
-            ))
-        }
-    }
-
     #[doc(alias = "gst_element_factory_get_metadata_keys")]
     #[doc(alias = "get_metadata_keys")]
     pub fn metadata_keys(&self) -> Vec<glib::GString> {

gstreamer/src/device_provider_factory.rs

@@ -1,7 +1,14 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
 use crate::DeviceProviderFactory;
+use crate::ELEMENT_METADATA_AUTHOR;
+use crate::ELEMENT_METADATA_DESCRIPTION;
+use crate::ELEMENT_METADATA_DOC_URI;
+use crate::ELEMENT_METADATA_ICON_NAME;
+use crate::ELEMENT_METADATA_KLASS;
+use crate::ELEMENT_METADATA_LONGNAME;
 use glib::translate::*;
+use std::ffi::CStr;
 
 impl DeviceProviderFactory {
     #[doc(alias = "gst_device_provider_factory_list_get_device_providers")]
@@ -13,4 +20,57 @@ impl DeviceProviderFactory {
             )
         }
     }
+
+    #[doc(alias = "gst_device_provider_factory_get_metadata")]
+    #[doc(alias = "get_metadata")]
+    pub fn metadata(&self, key: &str) -> Option<&str> {
+        unsafe {
+            let ptr = ffi::gst_device_provider_factory_get_metadata(
+                self.to_glib_none().0,
+                key.to_glib_none().0,
+            );
+
+            if ptr.is_null() {
+                None
+            } else {
+                Some(CStr::from_ptr(ptr).to_str().unwrap())
+            }
+        }
+    }
+
+    #[doc(alias = "get_longname")]
+    #[doc(alias = "gst_device_provider_factory_get_longname")]
+    pub fn longname(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_LONGNAME).unwrap()
+    }
+
+    #[doc(alias = "get_klass")]
+    #[doc(alias = "gst_device_provider_factory_get_klass")]
+    pub fn klass(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_KLASS).unwrap()
+    }
+
+    #[doc(alias = "get_description")]
+    #[doc(alias = "gst_device_provider_factory_get_description")]
+    pub fn description(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_DESCRIPTION).unwrap()
+    }
+
+    #[doc(alias = "get_author")]
+    #[doc(alias = "gst_device_provider_factory_get_author")]
+    pub fn author(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_AUTHOR).unwrap()
+    }
+
+    #[doc(alias = "get_documentation_uri")]
+    #[doc(alias = "gst_device_provider_factory_get_documentation_uri")]
+    pub fn documentation_uri(&self) -> Option<&str> {
+        self.metadata(&ELEMENT_METADATA_DOC_URI)
+    }
+
+    #[doc(alias = "get_icon_name")]
+    #[doc(alias = "gst_device_provider_factory_get_icon_name")]
+    pub fn icon_name(&self) -> Option<&str> {
+        self.metadata(&ELEMENT_METADATA_ICON_NAME)
+    }
 }

gstreamer/src/element_factory.rs

@@ -1,5 +1,13 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
+use crate::ELEMENT_METADATA_AUTHOR;
+use crate::ELEMENT_METADATA_DESCRIPTION;
+use crate::ELEMENT_METADATA_DOC_URI;
+use crate::ELEMENT_METADATA_ICON_NAME;
+use crate::ELEMENT_METADATA_KLASS;
+use crate::ELEMENT_METADATA_LONGNAME;
+use std::ffi::CStr;
+
 #[cfg(any(feature = "v1_20", feature = "dox"))]
 use crate::Element;
 use crate::ElementFactory;
@@ -97,4 +105,55 @@ impl ElementFactory {
             ))
         }
     }
+
+    #[doc(alias = "gst_element_factory_get_metadata")]
+    #[doc(alias = "get_metadata")]
+    pub fn metadata(&self, key: &str) -> Option<&str> {
+        unsafe {
+            let ptr =
+                ffi::gst_element_factory_get_metadata(self.to_glib_none().0, key.to_glib_none().0);
+
+            if ptr.is_null() {
+                None
+            } else {
+                Some(CStr::from_ptr(ptr).to_str().unwrap())
+            }
+        }
+    }
+
+    #[doc(alias = "get_longname")]
+    #[doc(alias = "gst_element_factory_get_longname")]
+    pub fn longname(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_LONGNAME).unwrap()
+    }
+
+    #[doc(alias = "get_klass")]
+    #[doc(alias = "gst_element_factory_get_klass")]
+    pub fn klass(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_KLASS).unwrap()
+    }
+
+    #[doc(alias = "get_description")]
+    #[doc(alias = "gst_element_factory_get_description")]
+    pub fn description(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_DESCRIPTION).unwrap()
+    }
+
+    #[doc(alias = "get_author")]
+    #[doc(alias = "gst_element_factory_get_author")]
+    pub fn author(&self) -> &str {
+        self.metadata(&ELEMENT_METADATA_AUTHOR).unwrap()
+    }
+
+    #[doc(alias = "get_documentation_uri")]
+    #[doc(alias = "gst_element_factory_get_documentation_uri")]
+    pub fn documentation_uri(&self) -> Option<&str> {
+        self.metadata(&ELEMENT_METADATA_DOC_URI)
+    }
+
+    #[doc(alias = "get_icon_name")]
+    #[doc(alias = "gst_element_factory_get_icon_name")]
+    pub fn icon_name(&self) -> Option<&str> {
+        self.metadata(&ELEMENT_METADATA_ICON_NAME)
+    }
 }