ffmpeg command waiting bugfix

src/ffmpegcmd.py

@@ -2,7 +2,7 @@ import subprocess
 
 
 def generate_command(ffmpeg: str, params: str, source_file: str, output_file: str):
-    command = [ffmpeg, "-y", "-i", source_file]
+    command = [ffmpeg, "-i", source_file]
     command.extend(params.split())
     command.append(output_file)
     return command