diff --git a/main.py b/extract-timestamps.py
similarity index 97%
rename from main.py
rename to extract-timestamps.py
index 3090fcf..4c76e18 100644
--- a/main.py
+++ b/extract-timestamps.py
@@ -81,10 +81,10 @@ def extract_timestamps(video_path):
     while True:
         pivot = get_pivot(start, end)
         count = extract_count_at_frame(cap, pivot)
-        if count < c_start or count > c_end:
+        if count < 100 or count < c_start or count > c_end:
             logging.warning(
                 f"faulty value found count={count} c_start={c_start} c_end={c_end} frame={pivot}")
-            start += 1
+            start += fps
             continue
         logging.info(f"s={start} e={end} p={pivot} c={count}")
         if end - start < fps: