Fix tracknumber for mp4s

scdl/__init__.py

@@ -1,3 +1,3 @@
 """Python Soundcloud Music Downloader."""
 
-__version__ = "v2.11.1"
+__version__ = "v2.11.2"

scdl/metadata_assembler.py

@@ -34,6 +34,7 @@ class MetadataInfo:
     album_title: Optional[str]
     album_author: Optional[str]
     album_track_num: Optional[int]
+    album_total_track_num: Optional[int]
 
 
 @singledispatch
@@ -161,7 +162,7 @@ def _(file: mp4.MP4, meta: MetadataInfo) -> None:
         file["aART"] = meta.album_author
 
     if meta.album_track_num is not None:
-        file["trkn"] = str(meta.album_track_num)
+        file["trkn"] = [(meta.album_track_num, meta.album_total_track_num)]
 
     if meta.description:
         file["\251cmt"] = meta.description

scdl/scdl.py

@@ -197,6 +197,7 @@ class PlaylistInfo(TypedDict):
     title: str
     tracknumber_int: int
     tracknumber: str
+    tracknumber_total: int
 
 
 class SoundCloudException(Exception):  # noqa: N818
@@ -698,6 +699,7 @@ def download_playlist(
         "title": playlist.title,
         "tracknumber_int": 0,
         "tracknumber": "0",
+        "tracknumber_total": playlist.track_count,
     }
 
     if not kwargs.get("no_playlist_folder"):
@@ -1319,6 +1321,7 @@ def _add_metadata_to_stream(
         album_title=playlist_info["title"] if album_available else None,  # type: ignore[index]
         album_author=playlist_info["author"] if album_available else None,  # type: ignore[index]
         album_track_num=playlist_info["tracknumber_int"] if album_available else None,  # type: ignore[index]
+        album_total_track_num=playlist_info["tracknumber_total"] if album_available else None,  # type: ignore[index]
     )
 
     mutagen_file = mutagen.File(stream)