diff --git a/scripts/reframe.py b/scripts/reframe.py
index fcbe660..14a2440 100644
--- a/scripts/reframe.py
+++ b/scripts/reframe.py
@@ -146,7 +146,9 @@ def build_track_filter(info, x_at, target_w, target_h, fps):
 
     # Vzorčimo x(t) na ~5 fps (dovolj gladko po smoothingu)
     duration = info["duration"]
-    n_samples = max(2, int(duration * 5))
+    # Limit: max 20 vzorcev, ker FFmpeg ima limit na expression dolžino
+    # Pri >20 vzorcih FFmpeg crop expression preseže 4096 char limit in zavrže
+    n_samples = max(2, min(20, int(duration * 0.7)))
     times = np.linspace(0, duration, n_samples)
     x_centers_norm = [x_at(t) for t in times]
     # Pretvori normaliziran center v dejanski levi-zgornji x v skaliranem oknu
@@ -156,19 +158,7 @@ def build_track_filter(info, x_at, target_w, target_h, fps):
         x_left = max(0, min(max_x, x_left))
         x_lefts.append(x_left)
 
-    # Sestavi piecewise expression: če (t < t1, x1, če (t < t2, x2, ...))
-    # FFmpeg ima omejitev na dolžino expression-a, zato uporabimo drugačen pristop:
-    # Generiramo CSV in uporabimo `sendcmd` filter ali pa preprosto
-    # nizkofrekvenčno linearno interpolacijo prek `if/lerp`.
-    # Pragmatično: zgradimo nested if. Pri 5 fps in 60s = 300 vej; deluje.
-    # Za daljše videe rebajzamo na 2 fps.
-    if duration > 120:
-        n_samples = int(duration * 2)
-        times = np.linspace(0, duration, n_samples)
-        x_lefts_resampled = []
-        for t in times:
-            x_lefts_resampled.append(np.interp(t, np.linspace(0, duration, len(x_lefts)), x_lefts))
-        x_lefts = x_lefts_resampled
+    # n_samples je že omejen na 20, expression bo vedno < 2KB
 
     # Linearna interpolacija med vzorci znotraj FFmpeg expression
     # Format: če(t<t_i, lerp(x_{i-1}, x_i, (t-t_{i-1})/(t_i-t_{i-1})), nadaljuj)