Update app.py

app.py

@@ -346,15 +346,16 @@ def download_audio(url, cookie_file=None):
         return download_from_youtube(url, cookie_path)
 
 def download_from_youtube(url, cookie_path):
-    ydl_opts = {
-        'format': 'bestaudio/best',  # More flexible format selection
+    # First attempt: Try downloading bestaudio directly
+    ydl_opts_audio = {
+        'format': 'bestaudio/best',
         'postprocessors': [{
             'key': 'FFmpegExtractAudio',
             'preferredcodec': 'wav',
             'preferredquality': '192',
         }],
-        'outtmpl': 'ytdl/%(title)s.%(ext)s',
-        'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
+        'outtmpl': 'ytdl/%(title)s_audio.%(ext)s',
+        'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36',
         'geo_bypass': True,
         'force_ipv4': True,
         'referer': 'https://www.youtube.com/',
@@ -366,21 +367,56 @@ def download_from_youtube(url, cookie_path):
         'verbose': True,
     }
     
+    # Second attempt: Download best video+audio and extract audio
+    ydl_opts_video = {
+        'format': 'bestvideo+bestaudio/best',
+        'postprocessors': [{
+            'key': 'FFmpegExtractAudio',
+            'preferredcodec': 'wav',
+            'preferredquality': '192',
+        }],
+        'outtmpl': 'ytdl/%(title)s_video.%(ext)s',
+        'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36',
+        'geo_bypass': True,
+        'force_ipv4': True,
+        'referer': 'https://www.youtube.com/',
+        'noplaylist': True,
+        'cookiefile': cookie_path,
+        'extractor_retries': 5,
+        'ignoreerrors': False,
+        'no_check_certificate': True,
+        'verbose': True,
+        'merge_output_format': 'mp4',  # Ensure video+audio merge
+    }
+    
     try:
-        with yt_dlp.YoutubeDL(ydl_opts) as ydl:
+        # First try: Direct audio download
+        logger.info("Attempting direct audio download")
+        with yt_dlp.YoutubeDL(ydl_opts_audio) as ydl:
+            info_dict = ydl.extract_info(url, download=True)
+            file_path = ydl.prepare_filename(info_dict).rsplit('.', 1)[0] + '.wav'
+            
+            if os.path.exists(file_path):
+                sample_rate, data = scipy.io.wavfile.read(file_path)
+                return file_path, "YouTube audio download successful", (sample_rate, data)
+        
+        # If direct audio fails, try video+audio
+        logger.info("Direct audio failed, attempting video+audio download")
+        with yt_dlp.YoutubeDL(ydl_opts_video) as ydl:
             info_dict = ydl.extract_info(url, download=True)
-            # Get the actual file path after download
             file_path = ydl.prepare_filename(info_dict).rsplit('.', 1)[0] + '.wav'
             
             if not os.path.exists(file_path):
-                return None, "Downloaded audio file not found", None
+                return None, "Downloaded audio file not found after video processing", None
             
             sample_rate, data = scipy.io.wavfile.read(file_path)
-            return file_path, "YouTube audio download and conversion successful", (sample_rate, data)
+            return file_path, "YouTube video+audio download and conversion successful", (sample_rate, data)
     
     except yt_dlp.utils.DownloadError as e:
         if "Sign in to confirm you’re not a bot" in str(e):
             return None, "Authentication error. Please upload valid YouTube cookies: https://github.com/yt-dlp/yt-dlp/wiki/Extractors#exporting-youtube-cookies", None
+        if "Requested format is not available" in str(e):
+            return None, "Requested audio format not available. Try checking available formats with --list-formats", None
         return None, f"YouTube download error: {str(e)}", None
     except yt_dlp.utils.GeoRestrictedError:
         return None, "Video is geo-restricted in your region", None