survive if duration cannot be caluclated

py-packages/ffmpeg-parser/ffmpegparser/ffmpegparser.py

@@ -8,7 +8,7 @@ import parse
 from ansi import cursor
 from datetime import datetime
 
-__version__ = 1.0
+__version__ = 1.1
 
 
 class Chopper:
@@ -129,9 +129,13 @@ class Progress:
 
         self.framedata["time_elapsed"] = int(time.time() - self.started)
         if "out_time_s" in self.framedata:
-            self.framedata["percent_done"] = round(
-                100 * self.framedata["out_time_s"] / self.duration, 1
-            )
+            try:
+                self.framedata["percent_done"] = round(
+                    100 * self.framedata["out_time_s"] / self.duration, 1
+                )
+            except TypeError:
+                self.framedata["percent_done"] = "NA"
+
             try:
                 if self.framedata["percent_done"] > 100:
                     self.framedata["time_remaining"] = "NA"
@@ -293,6 +297,7 @@ def main():
         progress.finish()
         while process.poll() != None:
             time.sleep(1)
+        raise(e)
         sys.exit(1)