wav2lip show stdout and duration

colab_flask.py

@@ -1,5 +1,8 @@
 import os
+import subprocess
 import time
+from datetime import datetime
+
 import cv2
 from flask import Flask, request, jsonify, send_file
 from flask_ngrok2 import run_with_ngrok
@@ -72,6 +75,7 @@ def call_wav2lip(video_path, audio_path, output_path):
     # --face {inputVideoPath} \
     # --audio {inputAudioPath} \
     # --outfile {lipSyncedOutputPath}
+    start = datetime.now()
     cmd = [
         "python",
         "wav2lip/inference.py",
@@ -82,7 +86,10 @@ def call_wav2lip(video_path, audio_path, output_path):
         "--outfile", output_path,
     ]
 
-    call(cmd)
+    proc = subprocess.Popen(cmd, shell=False)
+    proc.communicate()
+    duration = datetime.now() - start
+    print(f'wav2lip finished in {duration}')
     return output_path