Update app.py

app.py

@@ -1330,15 +1330,31 @@ def download_video(video_url, download_path, info_dict, download_video_flag):
             'format': 'bestvideo[ext=mp4]+bestaudio[ext=m4a]',
             'outtmpl': video_file_path,
             'ffmpeg_location': ffmpeg_path
+            'merge_output_format': 'mp4',
         }
 
-        with yt_dlp.YoutubeDL(ydl_opts_video) as ydl:
-            logging.debug("yt_dlp: About to download video with youtube-dl")
-            ydl.download([video_url])
-            logging.debug("yt_dlp: Video successfully downloaded with youtube-dl")
-        return video_file_path
-
+        retry_attempts = 3
+        for attempt in range(retry_attempts):
+            try:
+                with yt_dlp.YoutubeDL(ydl_opts_video) as ydl:
+                    logging.debug("yt_dlp: About to download video with youtube-dl")
+                    ydl.download([video_url])
+                    logging.debug("yt_dlp: Video successfully downloaded with youtube-dl")
+                    if os.path.exists(video_file_path):
+                        return video_file_path
+                    else:
+                        logging.error("yt_dlp: Video file not found after download")
+                        return None
+            except Exception as e:
+                logging.error(f"yt_dlp: Error downloading video: {e}")
+                if attempt < retry_attempts - 1:
+                    logging.info(f"Retrying download... (Attempt {attempt + 1}/{retry_attempts})")
+                    time.sleep(2)  # Wait a bit before retrying
+                else:
+                    logging.error("yt_dlp: Failed to download video after multiple attempts")
+                    return None
     else:
+        logging.debug("Download video flag is set to False")
         return None