update

app.py

@@ -74,8 +74,7 @@ def install_pytorch3d():
         subprocess.run([sys.executable, "-m", "pip", "install", whl_url], check=True)
         print("✅ PyTorch3D installed via Wheel!")
     except subprocess.CalledProcessError:
-        print("⚠️  Wheel installation failed (maybe version mismatch).")
-        print("🔨 Falling back to source compilation (this will take a few minutes)...")
+        print("⚠️  Wheel installation failed. Falling back to source compilation...")
         subprocess.run(
             [sys.executable, "-m", "pip", "install", "--no-build-isolation", "git+https://github.com/facebookresearch/pytorch3d.git@stable"], 
             check=True
@@ -451,7 +450,14 @@ def predict(video_path, start_time=0.0, end_time=10.0):
 
 examples_list = []
 if os.path.exists(EXAMPLES_DIR):
-    examples_list = [[os.path.join("examples", f)] for f in os.listdir(EXAMPLES_DIR) if f.endswith(".mp4")]
+    # Dynamic duration calculation for examples
+    for f in os.listdir(EXAMPLES_DIR):
+        if f.endswith(".mp4"):
+            video_path = os.path.join("examples", f)
+            abs_path = os.path.join(EXAMPLES_DIR, f)
+            dur = get_video_duration(abs_path)
+            # Default example: 0.0s to min(duration, 10.0s)
+            examples_list.append([video_path, 0.0, min(dur, 10.0)])
 
 js_scrub = """(val) => {
     var video = document.querySelector('#input-video video');