Throttle WebRTC refresh without forcing keyframes

Author: DjDeveloperr

cli/XCWPrivateSimulatorSession.h

@@ -28,6 +28,7 @@ typedef void (^XCWPrivateSimulatorEncodedFrameHandler)(NSData *sampleData,
 - (BOOL)waitUntilReadyWithTimeout:(NSTimeInterval)timeout;
 - (BOOL)waitForFirstEncodedFrameWithTimeout:(NSTimeInterval)timeout;
 - (void)requestKeyFrameRefresh;
+- (void)requestFrameRefresh;
 - (id)addEncodedFrameListener:(XCWPrivateSimulatorEncodedFrameHandler)handler;
 - (void)removeEncodedFrameListener:(id)token;
 

cli/XCWPrivateSimulatorSession.m

@@ -167,6 +167,10 @@ - (void)requestKeyFrameRefresh {
     [_videoEncoder requestKeyFrame];
 }
 
+- (void)requestFrameRefresh {
+    [self refreshCurrentFrame];
+}
+
 - (id)addEncodedFrameListener:(XCWPrivateSimulatorEncodedFrameHandler)handler {
     if (handler == nil) {
         return [NSUUID UUID];

cli/native/XCWNativeSession.m

@@ -91,7 +91,7 @@ - (BOOL)start:(NSError * _Nullable __autoreleasing *)error {
 }
 
 - (void)requestRefresh {
-    [self.session requestKeyFrameRefresh];
+    [self.session requestFrameRefresh];
 }
 
 - (BOOL)sendTouchAtX:(double)x

server/src/simulators/session.rs

@@ -15,7 +15,7 @@ use tokio::time::{timeout, Instant};
 use tracing::debug;
 
 const FRAME_BROADCAST_CAPACITY: usize = 240;
-const MIN_REFRESH_INTERVAL_MS: u64 = 33;
+const MIN_REFRESH_INTERVAL_MS: u64 = 66;
 
 pub struct SimulatorSession {
     inner: Arc<SimulatorSessionInner>,

server/src/transport/webrtc.rs

@@ -27,7 +27,7 @@ const DEFAULT_STUN_URL: &str = "stun:stun.l.google.com:19302";
 const WEBRTC_CONTROL_CHANNEL_LABEL: &str = "simdeck-control";
 const WEBRTC_BOOTSTRAP_KEYFRAME_INTERVAL: Duration = Duration::from_millis(250);
 const WEBRTC_BOOTSTRAP_KEYFRAME_REPEATS: u8 = 12;
-const WEBRTC_REFRESH_INTERVAL: Duration = Duration::from_millis(33);
+const WEBRTC_REFRESH_INTERVAL: Duration = Duration::from_millis(66);
 
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]