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gstreamer: Add CapsFeatures API using glib::Quarks instead of strings

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The same API for Structures already exists.

Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/issues/141
This commit is contained in:
Sebastian Dröge 2021-04-26 10:54:06 +03:00
parent eda1d3d4a7
commit 5b7b39c448
1 changed files with 39 additions and 0 deletions
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39
gstreamer/src/caps_features.rs
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@ -29,6 +29,17 @@ impl CapsFeatures {
f
}
pub fn from_quarks(features: &[glib::Quark]) -> Self {
assert_initialized_main_thread!();
let mut f = Self::new_empty();
for feature in features {
f.add_from_quark(*feature);
}
f
}
pub fn new_empty() -> Self {
assert_initialized_main_thread!();
unsafe {
@ -306,6 +317,15 @@ impl CapsFeaturesRef {
}
}
pub fn contains_quark(&self, feature: glib::Quark) -> bool {
unsafe {
from_glib(ffi::gst_caps_features_contains_id(
self.as_ptr(),
feature.to_glib(),
))
}
}
pub fn size(&self) -> u32 {
unsafe { ffi::gst_caps_features_get_size(self.as_ptr()) }
}
@ -325,6 +345,17 @@ impl CapsFeaturesRef {
}
}
pub fn nth_quark(&self, idx: u32) -> Option<glib::Quark> {
if idx >= self.size() {
return None;
}
unsafe {
let feature = ffi::gst_caps_features_get_nth_id(self.as_ptr(), idx);
Some(from_glib(feature))
}
}
pub fn add(&mut self, feature: &str) {
unsafe { ffi::gst_caps_features_add(self.as_mut_ptr(), feature.to_glib_none().0) }
}
@ -333,6 +364,14 @@ impl CapsFeaturesRef {
unsafe { ffi::gst_caps_features_remove(self.as_mut_ptr(), feature.to_glib_none().0) }
}
pub fn add_from_quark(&mut self, feature: glib::Quark) {
unsafe { ffi::gst_caps_features_add_id(self.as_mut_ptr(), feature.to_glib()) }
}
pub fn remove_by_quark(&mut self, feature: glib::Quark) {
unsafe { ffi::gst_caps_features_remove_id(self.as_mut_ptr(), feature.to_glib()) }
}
pub fn iter(&self) -> Iter {
Iter::new(self)
}