From ec7385daa5d9bbe5f202ea18255496fbaf816c47 Mon Sep 17 00:00:00 2001
From: Rafael Moraes <50295204+glomatico@users.noreply.github.com>
Date: Wed, 1 Apr 2026 20:30:57 -0300
Subject: [PATCH] Treat file_id and decryption_key as bytes; allow mp4

---
 votify/interface/audio.py | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/votify/interface/audio.py b/votify/interface/audio.py
index ebe90c1..143abf5 100644
--- a/votify/interface/audio.py
+++ b/votify/interface/audio.py
@@ -66,12 +66,6 @@ class SpotifyAudioInterface(SpotifyBaseInterface):
             stream_info = None
 
             if audio_quality.mp4:
-                if self.api.session_type not in {
-                    SessionType.LIBRESPOT,
-                    SessionType.WEB,
-                }:
-                    session_type_skipped = True
-                    continue
                 session_type_skipped = False
                 stream_info = await self._get_stream_info_web(
                     media_id=media_id,
@@ -161,6 +155,7 @@ class SpotifyAudioInterface(SpotifyBaseInterface):
                 widevine_pssh=pssh,
                 file_format=audio_quality.file_format,
                 actual_file_format=audio_quality.actual_file_format,
+                file_id=bytes.fromhex(file_id),
             ),
         )
 
@@ -344,7 +339,7 @@ class SpotifyAudioInterface(SpotifyBaseInterface):
         )
 
         return DecryptionKey(
-            decryption_key=decryption_key,
+            decryption_key=bytes(decryption_key),
         )
 
     async def get_decryption_key(