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gstreamer: Have Structure::from_iter() take owned values

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They were copied internally, which can be avoided in many cases if
working with owned values anyway.
This commit is contained in:
Sebastian Dröge 2021-10-18 16:31:46 +03:00
parent f315d3a052
commit e6b78d1489
1 changed files with 16 additions and 11 deletions
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27
gstreamer/src/structure.rs
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@ -100,17 +100,15 @@ impl Structure {
}
#[allow(clippy::should_implement_trait)]
pub fn from_iter<'a, 'b>(
pub fn from_iter<'a>(
name: &str,
iter: impl IntoIterator<Item = (&'a str, &'b SendValue)>,
iter: impl IntoIterator<Item = (&'a str, SendValue)>,
) -> Structure {
assert_initialized_main_thread!();
let mut structure = Structure::new_empty(name);
iter.into_iter().for_each(|(f, v)| unsafe {
let mut value = v.clone().into_raw();
ffi::gst_structure_take_value(structure.0.as_mut(), f.to_glib_none().0, &mut value);
});
iter.into_iter()
.for_each(|(f, v)| structure.set_value(f, v));
structure
}
@ -446,8 +444,11 @@ impl StructureRef {
pub fn set_value(&mut self, name: &str, value: SendValue) {
unsafe {
let mut value = value.into_raw();
ffi::gst_structure_take_value(&mut self.0, name.to_glib_none().0, &mut value);
ffi::gst_structure_take_value(
&mut self.0,
name.to_glib_none().0,
&mut value.into_raw(),
);
}
}
@ -458,8 +459,7 @@ impl StructureRef {
pub fn set_value_by_quark(&mut self, name: glib::Quark, value: SendValue) {
unsafe {
let mut value = value.into_raw();
ffi::gst_structure_id_take_value(&mut self.0, name.into_glib(), &mut value);
ffi::gst_structure_id_take_value(&mut self.0, name.into_glib(), &mut value.into_raw());
}
}
@ -979,7 +979,12 @@ mod tests {
.field("f3", &123i32)
.build();
let s2 = Structure::from_iter(s.name(), s.iter().filter(|(f, _)| *f == "f1"));
let s2 = Structure::from_iter(
s.name(),
s.iter()
.filter(|(f, _)| *f == "f1")
.map(|(f, v)| (f, v.clone())),
);
assert_eq!(s2.name(), "test");
assert_eq!(s2.get::<&str>("f1"), Ok("abc"));