diff --git a/client/src/output/audio.rs b/client/src/output/audio.rs
index 4ad300b..7c306a4 100644
--- a/client/src/output/audio.rs
+++ b/client/src/output/audio.rs
@@ -4,6 +4,7 @@ use gstreamer as gst;
 use gstreamer_app as gst_app;
 use lesavka_common::lesavka::AudioPacket;
 use gst::prelude::*;
+use tracing::{error, info, warn, debug};
 
 pub struct AudioOut {
     src: gst_app::AppSrc,
@@ -37,6 +38,12 @@ impl AudioOut {
     }
 
     pub fn push(&self, pkt: AudioPacket) {
+        static CNT : std::sync::atomic::AtomicU64 =
+            std::sync::atomic::AtomicU64::new(0);
+        let n = CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
+        if n % 300 == 0 || n < 10 {
+            debug!(bytes = pkt.data.len(), pts = pkt.pts, "⬇️  received audio AU");
+        }
         let mut buf = gst::Buffer::from_slice(pkt.data);
         buf.get_mut()
             .unwrap()
diff --git a/client/src/output/video.rs b/client/src/output/video.rs
index e044966..4a0591d 100644
--- a/client/src/output/video.rs
+++ b/client/src/output/video.rs
@@ -5,6 +5,7 @@ use gstreamer as gst;
 use gstreamer_app as gst_app;
 use gst::prelude::*;
 use lesavka_common::lesavka::VideoPacket;
+use tracing::{error, info, warn, debug};
 
 /* ---------- pipeline ----------------------------------------------------
 * ┌────────────┐  H.264/AU  ┌─────────┐   Decoded  ┌─────────────┐
@@ -55,12 +56,23 @@ impl MonitorWindow {
             .build()));
         src.set_format(gst::Format::Time);
         pipeline.set_state(gst::State::Playing)?;
+        if let Some(sink) = pipeline.by_name("sink") {
+            let title = format!("Lesavka‑eye‑{_id}");
+            sink.set_property_from_str("window-title", &title);
+            sink.set_property("force-aspect-ratio", &true);
+        }
 
         Ok(Self { _pipeline: pipeline, src })
     }
 
     /// Feed one access-unit to the decoder.
     pub fn push_packet(&self, pkt: VideoPacket) {
+        static CNT : std::sync::atomic::AtomicU64 =
+            std::sync::atomic::AtomicU64::new(0);
+        let n = CNT.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
+        if n % 150 == 0 || n < 10 {
+            debug!(eye = pkt.id, bytes = pkt.data.len(), pts = pkt.pts, "⬇️  received video AU");
+        }
         let mut buf = gst::Buffer::from_slice(pkt.data);
         buf.get_mut()
             .unwrap()
diff --git a/server/src/audio.rs b/server/src/audio.rs
index bf8b9f7..f707177 100644
--- a/server/src/audio.rs
+++ b/server/src/audio.rs
@@ -8,6 +8,7 @@ use tonic::Status;
 use tracing::{debug, trace};
 use gst::prelude::*;
 
+const EAR_ID: [&str; 2] = ["l", "r"];
 const PIPE: &str = "appsrc name=audsrc is-live=true do-timestamp=true ! aacparse ! queue ! appsink name=asink emit-signals=true";
 
 pub struct AudioStream {
@@ -29,12 +30,13 @@ pub async fn eye_ear(
     dev: &str,
     id:  u32,
 ) -> anyhow::Result<AudioStream> {
+    let ear = EAR_ID[id as usize];
     gst::init().context("gst init")?;
     let desc = format!(
-        "v4l2src device=\"{dev}\" io-mode=mmap ! \
-         queue ! tsdemux name=demux \
-         demux.audio_0 ! queue ! \
-         aacparse ! appsink name=asink emit-signals=true"
+        "v4l2src device=\"{dev}\" io-mode=mmap do-timestamp=true ! queue ! \
+         tsdemux name=d  d.audio_0 ! queue ! \
+         aacparse ! queue ! \
+         appsink name=asink emit-signals=true max-buffers=64 drop=true"
     );
     let pipe: gst::Pipeline = gst::parse::launch(&desc)?
         .downcast()
@@ -51,7 +53,9 @@ pub async fn eye_ear(
                 let map  = buf.map_readable().map_err(|_| gst::FlowError::Error)?;
                 let pts  = buf.pts().unwrap_or(gst::ClockTime::ZERO).nseconds()/1_000;
                 let pkt  = AudioPacket { id, pts, data: map.as_slice().to_vec() };
-                trace!("srv→grpc audio-{id} {}", pkt.data.len());
+                debug!(target:"lesavka_server::audio",
+                       eye = id, bytes = pkt.data.len(), pts = pkt.pts,
+                       "⬆️  pushed audio sample ear-{ear}");
                 let _ = tx.try_send(Ok(pkt));
                 Ok(gst::FlowSuccess::Ok)
             }).build()
diff --git a/server/src/video.rs b/server/src/video.rs
index 2653b76..5c46558 100644
--- a/server/src/video.rs
+++ b/server/src/video.rs
@@ -45,9 +45,8 @@ pub async fn eye_ball(
     gst::init().context("gst init")?;
 
     let desc = format!(
-        "v4l2src device=\"{dev}\" io-mode=mmap ! \
-         queue ! tsdemux name=demux \
-         demux.video_0 ! queue ! \
+        "v4l2src device=\"{dev}\" io-mode=mmap do-timestamp=true ! queue ! \
+         tsdemux name=d  d.video_0 ! queue ! \
          h264parse disable-passthrough=true config-interval=-1 ! \
          video/x-h264,stream-format=byte-stream,alignment=au ! \
          appsink name=sink emit-signals=true max-buffers=32 drop=true"
@@ -97,6 +96,10 @@ pub async fn eye_ball(
                         let path = format!("/tmp/eye-{eye}-srv-{:05}.h264", n);
                         std::fs::write(&path, map.as_slice()).ok();
                     }
+                } else if n < 10 {
+                    debug!(target: "lesavka_server::video",
+                           eye = eye, frame = n, bytes = map.len(),
+                           pts = ?buffer.pts(), "⬆️  pushed video sample eye-{eye}");
                 }
 
                 /* -------- detect SPS / IDR ---- */
@@ -131,7 +134,7 @@ pub async fn eye_ball(
             .build(),
     );
 
-    pipeline.set_state(gst::State::Playing)?;
+    pipeline.set_state(gst::State::Playing).context("🎥 starting video pipeline eye-{eye}")?;
     let bus = pipeline.bus().unwrap();
     loop {
         match bus.timed_pop(gst::ClockTime::NONE) {