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gstreamer/uri_handler: Update for glib class data API changes

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Based on a patch by Bilal Elmoussaoui
This commit is contained in:
Sebastian Dröge 2021-02-07 17:40:45 +02:00
parent 9d86cef2da
commit 3c0281db0c
1 changed files with 11 additions and 7 deletions
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18
gstreamer/src/subclass/uri_handler.rs
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@ -15,6 +15,11 @@ pub trait URIHandlerImpl: super::element::ElementImpl {
fn set_uri(&self, element: &Self::Type, uri: &str) -> Result<(), glib::Error>;
}
// Send+Sync wrapper around a NULL-terminated C string array
struct CStrV(*const *const libc::c_char);
unsafe impl Send for CStrV {}
unsafe impl Sync for CStrV {}
unsafe impl<T: URIHandlerImpl> IsImplementable<T> for URIHandler {
unsafe extern "C" fn interface_init(
iface: glib::ffi::gpointer,
@ -25,13 +30,10 @@ unsafe impl<T: URIHandlerImpl> IsImplementable<T> for URIHandler {
// Store the protocols in the interface data for later use
let mut data = T::type_data();
let protocols = T::get_protocols();
let protocols: *mut *const libc::c_char = protocols.to_glib_full();
let protocols = protocols.to_glib_full();
let data = data.as_mut();
if data.interface_data.is_null() {
data.interface_data = Box::into_raw(Box::new(Vec::new()));
}
(*(data.interface_data as *mut Vec<(glib::ffi::GType, glib::ffi::gpointer)>))
.push((URIHandler::static_type().to_glib(), protocols as *mut _));
data.set_class_data(URIHandler::static_type(), CStrV(protocols));
uri_handler_iface.get_type = Some(uri_handler_get_type::<T>);
uri_handler_iface.get_protocols = Some(uri_handler_get_protocols::<T>);
@ -51,7 +53,9 @@ unsafe extern "C" fn uri_handler_get_protocols<T: URIHandlerImpl>(
) -> *const *const libc::c_char {
let data = <T as ObjectSubclass>::type_data();
data.as_ref()
.get_interface_data(URIHandler::static_type().to_glib()) as *const _
.get_class_data::<CStrV>(URIHandler::static_type())
.unwrap_or(&CStrV(std::ptr::null()))
.0
}
unsafe extern "C" fn uri_handler_get_uri<T: URIHandlerImpl>(