Use execute() to start ffmpeg (thanks to Strycore)

export-video.py

@@ -162,8 +162,8 @@ def encode_h264(src, dest):
         ] + params["h264_acommand"] + [
             dest+".mp4"
         ]
-        subprocess.run(firstpass)
-        subprocess.run(secondpass)
+        execute(firstpass)
+        execute(secondpass)
     else:
         logging.debug("one pass encoding started ...")
         encode = [
@@ -175,10 +175,9 @@ def encode_h264(src, dest):
             "-b:a", params["abitrate"]
         ] + params["h264_acommand"] + [
             dest+".mp4",
-            "-loglevel", "quiet"
         ]
         logging.debug(encode)
-        subprocess.run(encode)
+        execute(encode)
 
 
 if __name__ == "__main__":