fixed progressbar crashing on non-video media

aux.py

@@ -4,6 +4,7 @@
 import os
 import pathlib
 import over
+import re
 
 # --------------------------------------------------
 
@@ -17,6 +18,23 @@ def parse_fps(raw):
 
 # --------------------------------------------------
 
+def parse_time(raw):
+	"""
+	Parses ffmpeg's state sentence containing the time= token.
+	
+	E.g. b"... time=00:01:11.85 ..."
+	
+	Returns the time in seconds, e.g. 71.85.
+	"""
+	
+	s = re.findall(b"time=([^ ]+) ", raw)[0]
+	
+	hh, mm, ss = (float(t) for t in s.split(b":"))
+	
+	return hh * 3600 + mm * 60 + ss
+
+# --------------------------------------------------
+
 def to_Path(raw_path):
 	"""
 	Returns pathlib.Path pointing to raw_path, handling "~/" correctly.