Update app.py

app.py

@@ -27,13 +27,11 @@ async def text2video(text):
         "-loop", "1", 
         "-i", "background.jpg", 
         "-i", "output.mp3", 
-        "-vf", "subtitles=output.vtt:force_style='FontSize=24,PrimaryColour=&HFFFFFF'",
-        "-c:v", "libx264", 
-        "-c:a", "aac", 
+        "-vf", "subtitles=output.vtt",
         "-shortest", 
         OUTPUT_FILE
     ]
-    subprocess.run(ffmpeg_command, check=True)
+    subprocess.run(ffmpeg_command)
 
     return OUTPUT_FILE