diff --git a/client/src/app.rs b/client/src/app.rs
index 02c2d7f..f72afc9 100644
--- a/client/src/app.rs
+++ b/client/src/app.rs
@@ -75,7 +75,7 @@ impl LesavkaClientApp {
         let suicide = async {
             if self.dev_mode {
                 tokio::time::sleep(Duration::from_secs(30)).await;
-                warn!("dev‑mode timeout");
+                warn!("💀 dev‑mode timeout 💀");
                 // self.aggregator.keyboards.dev.ungrab();
                 // self.aggregator.mice.dev.ungrab();
                 std::process::exit(0);
@@ -189,23 +189,34 @@ impl LesavkaClientApp {
     }
 
     /*──────────────── monitor stream ────────────────*/
-    async fn video_loop(ep: Channel, tx: tokio::sync::mpsc::UnboundedSender<VideoPacket>) {
-        loop {
-            let mut cli = RelayClient::new(ep.clone());
-                for monitor_id in 0..=1 {
+    async fn video_loop(
+        ep: Channel,
+        tx: tokio::sync::mpsc::UnboundedSender<VideoPacket>,
+    ) {
+        for monitor_id in 0..=1 {
+            let tx   = tx.clone();
+            let ep   = ep.clone();
+            tokio::spawn(async move {
+                loop {
+                    let mut cli = RelayClient::new(ep.clone());
                     let req = MonitorRequest { id: monitor_id, max_bitrate: 6_000 };
-                    if let Ok(mut stream) = cli.capture_video(Request::new(req)).await {
-                        while let Some(pkt) = stream.get_mut().message().await.transpose() {
-                            match pkt {
-                                Ok(p) => { let _ = tx.send(p); }
-                                Err(e) => { error!("video {monitor_id}: {e}"); break }
+                    match cli.capture_video(Request::new(req)).await {
+                        Ok(mut stream) => {
+                            while let Some(pkt) = stream.get_mut().message().await.transpose() {
+                                match pkt {
+                                    Ok(p) => { let _ = tx.send(p); }
+                                    Err(e) => { error!("video {monitor_id}: {e}"); break }
+                                }
                             }
                         }
+                        Err(e) => error!("video {monitor_id}: {e}"),
                     }
+                    tokio::time::sleep(Duration::from_secs(1)).await;
                 }
-            tokio::time::sleep(Duration::from_secs(2)).await;
+            });
         }
     }
+    
 
     #[inline(always)]
     async fn delay() { tokio::time::sleep(Duration::from_secs(1)).await; }
diff --git a/client/src/input/mouse.rs b/client/src/input/mouse.rs
index 3de7978..78d1d2f 100644
--- a/client/src/input/mouse.rs
+++ b/client/src/input/mouse.rs
@@ -7,7 +7,7 @@ use tracing::{debug, error, warn, trace};
 
 use lesavka_common::lesavka::MouseReport;
 
-const SEND_INTERVAL: Duration = Duration::from_micros(250);
+const SEND_INTERVAL: Duration = Duration::from_micros(50);
 
 pub struct MouseAggregator {
     dev: Device,
diff --git a/client/src/output/video.rs b/client/src/output/video.rs
index f25cb4b..bf21337 100644
--- a/client/src/output/video.rs
+++ b/client/src/output/video.rs
@@ -24,26 +24,43 @@ impl MonitorWindow {
                 .with_decorations(false)
         )?;
 
-        // appsrc -> decode -> convert -> autovideosink
+        let caps = gst::Caps::builder("video/x-h264")
+            .field("stream-format", &"byte-stream")
+            .field("alignment", &"au")
+            .build();
+
         let desc = if std::env::var_os("LESAVKA_HW_DEC").is_some() {
-            "appsrc name=src is-live=true format=time do-timestamp=true ! queue ! \
-             h264parse ! vaapih264dec low-latency=true ! videoconvert ! \
-             autovideosink sync=false"
+            "appsrc name=src is-live=true format=time do-timestamp=true block=false ! \
+            capsfilter caps=video/x-h264,stream-format=byte-stream,alignment=au ! \
+            queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 leaky=downstream ! \
+            h264parse ! vaapih264dec low-latency=true ! videoconvert ! \
+            autovideosink sync=false max-lateness=-1"
         } else {
-            // fallback
-            "appsrc name=src is-live=true format=time do-timestamp=true ! \
-             queue ! h264parse ! decodebin ! videoconvert ! autovideosink sync=false"
+            "appsrc name=src is-live=true format=time do-timestamp=true block=false ! \
+            capsfilter caps=video/x-h264,stream-format=byte-stream,alignment=au ! \
+            queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 leaky=downstream ! \
+            h264parse ! decodebin ! videoconvert ! autovideosink sync=false max-lateness=-1"
         };
 
         let pipeline = gst::parse::launch(desc)?
             .downcast::<gst::Pipeline>()
             .unwrap();
-        
-        let src = pipeline
-            .by_name("src").unwrap()
+
+        let src = pipeline.by_name("src").unwrap()
             .downcast::<gst_app::AppSrc>().unwrap();
 
+        src.set_caps(Some(&caps));
+
+        // use the dedicated helpers from `AppSrcExt` instead of the generic
+        // `set_property`, which returns `()` (hence the earlier E0277).
+        src.set_format(gst::Format::Time);           // timestamps are in running-time
+
+        // “blocksize=0” → deliver whole access-units (no chunking).  The generic
+        // `set_property()` API returns a `Result<(), glib::BoolError>` so we just
+        // unwrap: this property always exists on AppSrc.
+        src.set_property("blocksize", &0u32);
         src.set_latency(gst::ClockTime::NONE, gst::ClockTime::NONE);
+
         pipeline.set_state(gst::State::Playing)?;
 
         Ok(Self { id, _window: window, src })
diff --git a/server/src/main.rs b/server/src/main.rs
index 30e79b2..fdcce9f 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -327,6 +327,7 @@ async fn main() -> anyhow::Result<()> {
 
     if let Err(e) = Server::builder()
             .tcp_nodelay(true)
+            .max_frame_size(Some(256 * 1024))
             .add_service(RelayServer::new(handler))
             .serve(([0, 0, 0, 0], 50051).into())
             .await
diff --git a/server/src/video.rs b/server/src/video.rs
index b149dc0..d48787e 100644
--- a/server/src/video.rs
+++ b/server/src/video.rs
@@ -15,10 +15,13 @@ pub async fn spawn_camera(
 ) -> anyhow::Result<ReceiverStream<Result<VideoPacket, Status>>> {
     gst::init().context("gst init")?;
 
-    // v4l2src → H.264 already, we only parse & relay
+    // IMPORTANT: keep one AU per buffer, include regular SPS/PPS
     let desc = format!(
-        "v4l2src device={dev} io-mode=auto ! queue ! h264parse config-interval=-1 ! \
-         appsink name=sink emit-signals=true sync=false"
+        "v4l2src device={dev} io-mode=dmabuf ! \
+         video/x-h264,alignment=au,stream-format=byte-stream ! \
+         queue max-size-buffers=0 max-size-bytes=0 max-size-time=0 ! \
+         h264parse config-interval=1 ! \
+         appsink name=sink emit-signals=true sync=false drop=true"
     );
 
     let pipeline = gst::parse::launch(&desc)?