Update app.py

app.py

@@ -21,11 +21,8 @@ model = WhisperModel("systran/faster-distil-whisper-small.en", device="cpu", com
 
 # Base yt-dlp options – 2025-proof + cookie ready
 YDL_OPTS = {
-    "format": "(bestvideo[height<=720]/bestvideo)+(bestaudio/best)",  # <-- THIS IS THE KEY
-    "merge_output_format": "mp4",                                   # forces merge even if separate
-    "postprocessor_args": {
-        "ffmpeg": ["-threads", "4"]                                 # helps HF merge faster
-    },
+    "format": "bv+ba/b",  # <-- MAGIC: bestvideo + bestaudio / best (never fails)
+    "merge_output_format": "mp4",  # Ensures merged output is always .mp4
     "quiet": True,
     "no_warnings": True,
     "geo_bypass": True,
@@ -38,7 +35,6 @@ YDL_OPTS = {
     },
     "extractor_args": {
         "youtube": {
-            "skip": ["hls", "dash"],
             "player_client": ["android", "web"],
             "player_skip": ["configs"],
         }