Update app.py

app.py

@@ -3,22 +3,21 @@ import torch as pt
 import torchaudio
 import cv2
 import os
-import subprocess
 import numpy as np
 import tensorflow as tf
 from tensorflow.keras.models import load_model
+from moviepy.editor import VideoFileClip
 
-def convert_video_to_audio_ffmpeg(video_file, output_ext="wav"):
-    """Converts video to audio directly using `ffmpeg` command with the help of subprocess module"""
+def convert_video_to_audio_moviepy(video_file, output_ext="wav"):
+    """Converts video to audio using MoviePy library that uses `ffmpeg` under the hood"""
     filename, ext = os.path.splitext(video_file)
-    audio_file = f"{filename}.{output_ext}"
-    subprocess.call(["ffmpeg", "-y", "-i", video_file, audio_file], 
-                    stdout=subprocess.DEVNULL,
-                    stderr=subprocess.STDOUT)
-    return audio_file
+    clip = VideoFileClip(video_file)
+    audio_path = f"{filename}.{output_ext}"
+    clip.audio.write_audiofile(audio_path)
+    return audio_path
 
 def process_video_audio(video_path):
-    audio_path = convert_video_to_audio_ffmpeg(video_path)
+    audio_path = convert_video_to_audio_moviepy(video_path)
     
     wav, sr = torchaudio.load(audio_path)