subscriber prototype

crates/livekit-webrtc/libwebrtc-sys/src/peer_connection.rs

@@ -253,11 +253,23 @@ pub mod ffi {
 }
 
 // https://webrtc.github.io/webrtc-org/native-code/native-apis/
+unsafe impl Send for ffi::PeerConnection {}
 unsafe impl Sync for ffi::PeerConnection {}
 
-unsafe impl Send for ffi::PeerConnection {}
-
 unsafe impl Send for ffi::NativePeerConnectionObserver {}
+unsafe impl Sync for ffi::NativePeerConnectionObserver {}
+
+unsafe impl Sync for ffi::NativeAddIceCandidateObserver {}
+unsafe impl Send for ffi::NativeAddIceCandidateObserver {}
+
+unsafe impl Sync for ffi::NativeSetRemoteSdpObserverHandle {}
+unsafe impl Send for ffi::NativeSetRemoteSdpObserverHandle {}
+
+unsafe impl Sync for ffi::NativeSetLocalSdpObserverHandle {}
+unsafe impl Send for ffi::NativeSetLocalSdpObserverHandle {}
+
+unsafe impl Sync for ffi::NativeCreateSdpObserverHandle {}
+unsafe impl Send for ffi::NativeCreateSdpObserverHandle {}
 
 impl Default for ffi::RTCOfferAnswerOptions {
     /*
@@ -280,17 +292,21 @@ impl Default for ffi::RTCOfferAnswerOptions {
     }
 }
 
+pub trait AddIceCandidateObserver: Send {
+    fn on_complete(&self, error: RTCError);
+}
+
 pub struct AddIceCandidateObserverWrapper {
-    observer: Box<dyn Fn(RTCError) + Send>,
+    observer: Box<dyn AddIceCandidateObserver>,
 }
 
 impl AddIceCandidateObserverWrapper {
-    pub fn new(observer: Box<dyn Fn(RTCError) + Send>) -> Self {
+    pub fn new(observer: Box<dyn AddIceCandidateObserver>) -> Self {
         Self { observer }
     }
 
     fn on_complete(&self, error: RTCError) {
-        (self.observer)(error);
+        self.observer.on_complete(error);
     }
 }