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gstreamer: add parent_xxx impl for all vfunc

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This commit is contained in:
François Laignel 2019-02-02 17:37:02 +01:00 committed by Sebastian Dröge
parent ac00608b7e
commit fcb46ee5bf
1 changed files with 45 additions and 6 deletions
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51
gstreamer/src/subclass/element.rs
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@ -39,15 +39,17 @@ pub trait ElementImpl: ObjectImpl + Send + Sync + 'static {
fn request_new_pad(
&self,
_element: &::Element,
_templ: &::PadTemplate,
_name: Option<String>,
_caps: Option<&::CapsRef>,
element: &::Element,
templ: &::PadTemplate,
name: Option<String>,
caps: Option<&::CapsRef>,
) -> Option<::Pad> {
None
self.parent_request_new_pad(element, templ, name, caps)
}
fn release_pad(&self, _element: &::Element, _pad: &::Pad) {}
fn release_pad(&self, element: &::Element, pad: &::Pad) {
self.parent_release_pad(element, pad)
}
fn send_event(&self, element: &::Element, event: Event) -> bool {
self.parent_send_event(element, event)
@ -78,6 +80,43 @@ pub trait ElementImpl: ObjectImpl + Send + Sync + 'static {
}
}
fn parent_request_new_pad(
&self,
element: &::Element,
templ: &::PadTemplate,
name: Option<String>,
caps: Option<&::CapsRef>,
) -> Option<::Pad> {
unsafe {
let data = self.get_type_data();
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstElementClass;
(*parent_class)
.request_new_pad
.map(|f| {
from_glib_none(f(
element.to_glib_none().0,
templ.to_glib_none().0,
name.to_glib_full(),
caps.map(|caps| caps.as_ptr()).unwrap_or(std::ptr::null()),
))
})
.unwrap_or(None)
}
}
fn parent_release_pad(&self, element: &::Element, pad: &::Pad) {
unsafe {
let data = self.get_type_data();
let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstElementClass;
(*parent_class)
.release_pad
.map(|f| f(element.to_glib_none().0, pad.to_glib_none().0))
.unwrap_or(())
}
}
fn parent_send_event(&self, element: &::Element, event: Event) -> bool {
unsafe {
let data = self.get_type_data();