Update app.py

app.py

@@ -3,11 +3,11 @@ import os
 import zipfile
 import rarfile
 from PyPDF2 import PdfReader, PdfWriter
-from moviepy.editor import VideoFileClip
 from pydub import AudioSegment
 from PIL import Image
 import pdf2image
 import streamlit as st
+import ffmpeg
 
 def convert_file(input_path, output_path):
     if input_path.endswith('.pdf'):
@@ -21,9 +21,8 @@ def convert_file(input_path, output_path):
         webp_images[0].save(output_path, 'PDF', resolution=100.0, save_all=True, append_images=webp_images[1:])
 
     elif input_path.endswith('.mp4'):
-        # Convert MP4 to MKV
-        video = VideoFileClip(input_path)
-        video.write_videofile(output_path, codec='libx264')
+        # Convert MP4 to MKV using ffmpeg
+        ffmpeg.input(input_path).output(output_path, codec='libx264').run()
 
     elif input_path.endswith('.wav'):
         # Convert WAV to MP3