attempt desktop audio playback

gui/src/lib.rs

@@ -15,6 +15,7 @@ pub use imp::spawn;
 use mumble_protocol::control::msgs;
 use mumble_protocol::control::ControlCodec;
 use mumble_protocol::control::ControlPacket;
+use mumble_protocol::voice::VoicePacket;
 use mumble_protocol::voice::VoicePacketPayload;
 use mumble_protocol::Clientbound;
 use mumble_protocol::Serverbound;
@@ -103,7 +104,23 @@ pub async fn network_loop<R: imp::ImpRead, W: imp::ImpWrite>(
         });
     }
 
-    let mut audio = imp::AudioSystem::new(send_chan.clone())?;
+    let mut audio = imp::AudioSystem::new()?;
+    {
+        let send_chan = send_chan.clone();
+        let mut sequence_num = 0;
+        audio.start_recording(move |opus_frame| {
+            let _ =
+                send_chan.unbounded_send(ControlPacket::UDPTunnel(Box::new(VoicePacket::Audio {
+                    _dst: std::marker::PhantomData,
+                    target: 0,
+                    session_id: (),
+                    seq_num: sequence_num,
+                    payload: VoicePacketPayload::Opus(opus_frame.into(), false),
+                    position_info: None,
+                })));
+            sequence_num = sequence_num.wrapping_add(2);
+        });
+    }
 
     // Create map of session_id -> AudioDecoder
     let mut decoder_map = HashMap::new();