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gstreamer: caps: add new_from_iter(_with_features)()

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Guillaume Desmottes 2020-04-20 12:30:05 +02:00 committed by Sebastian Dröge
parent b724e0c46c
commit 605898277f
1 changed files with 49 additions and 0 deletions
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49
gstreamer/src/caps.rs
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@ -70,6 +70,36 @@ impl Caps {
caps
}
#[allow(clippy::should_implement_trait)]
pub fn from_iter<'a, I>(iter: I) -> Self
where
I: IntoIterator<Item = &'a StructureRef>,
{
assert_initialized_main_thread!();
let mut caps = Caps::new_empty();
iter.into_iter()
.for_each(|s| caps.get_mut().unwrap().append_structure(s.to_owned()));
caps
}
pub fn from_iter_with_features<'a, 'b, I>(iter: I) -> Self
where
I: IntoIterator<Item = (&'a StructureRef, &'b CapsFeaturesRef)>,
{
assert_initialized_main_thread!();
let mut caps = Caps::new_empty();
iter.into_iter().for_each(|(s, f)| {
caps.get_mut()
.unwrap()
.append_structure_full(s.to_owned(), Some(f.to_owned()))
});
caps
}
pub fn fixate(caps: Self) -> Self {
skip_assert_initialized!();
unsafe {
@ -839,4 +869,23 @@ mod tests {
.build();
assert_eq!(caps.to_string(), "audio/x-raw(ANY)");
}
#[test]
fn test_new_from_iter() {
::init().unwrap();
let caps = Caps::builder_full_with_any_features()
.structure(Structure::builder("audio/x-raw").build())
.structure(Structure::builder("video/x-raw").build())
.build();
let audio = Caps::from_iter(caps.iter().filter(|s| s.get_name() == "audio/x-raw"));
assert_eq!(audio.to_string(), "audio/x-raw");
let audio = Caps::from_iter_with_features(
caps.iter_with_features()
.filter(|(s, _)| s.get_name() == "audio/x-raw"),
);
assert_eq!(audio.to_string(), "audio/x-raw(ANY)");
}
}