Unable to play mkv with external mka file

[ti-guru]

Describe the bug Just Player failes to play mkv files with external mka files.

To Reproduce Steps to reproduce the behavior:

1. User with all media encoding permissions.
2. Open movie in Jellyfin containing mkv file with external mka file. Naming scheme as recommended by Jellyfin documentation with same filename for mkv and mka file in folder, e.g. "best_movie_ever (2019).mkv" and "best_movie_ever (2019).mka".
3. Just player gives error message "Cannot play video format".
4. ExoPlayer plays without any errors and allows usage of external audio tracks.

Expected behavior Just Player plays mkv files with external mka without errors.

Device (please complete the following information):

• Model: Nvidia Shield Pro 2019
• OS: Android 11. Shield Experience 9.1.1.
• Software: Just Player v0.155 (decoder priority prefer device decoding, tunnel play off, DV profile 7 fallback off), Jellyfin Android TV v0.16.4, Jellyfin server x64 v10.8.13 (HW acceleration with Intel QSV)

Media NA

Additional context Jellyfin log file:

[2024-02-09 18:59:03.324 +00:00] [INF] [97] Jellyfin.Api.Helpers.MediaInfoHelper: User policy for "nvidia_shield". EnablePlaybackRemuxing: True EnableVideoPlaybackTranscoding: True EnableAudioPlaybackTranscoding: True [2024-02-09 18:59:03.325 +00:00] [INF] [97] Jellyfin.Api.Helpers.MediaInfoHelper: StreamBuilder.BuildVideoItem( Profile="AndroidTV-External", Path="/media/movies/best_movieever (2019)[imdbid-tt1234567890]/best_movie_ever (2019).mkv", AudioStreamIndex=null, SubtitleStreamIndex=null ) => ( PlayMethod=Transcode, TranscodeReason=AudioIsExternal ) "media:/videos/xxxxxxxxxxxxxxxxxxxxxxxxxxx/stream?MediaSourceId=xxxxxxxxxxxxxxxxxxxxxxxxxxx&AudioStreamIndex=2&api_key=&SubtitleMethod=Encode&RequireAvc=false&Tag=xxxxxxxxxxxxxxxxxxxxxxxxxxx&TranscodeReasons=AudioIsExternal" [2024-02-09 18:59:07.329 +00:00] [INF] [97] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "XXX.XXX.X.XXX" closed [2024-02-09 18:59:07.524 +00:00] [INF] [97] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "XXX.XXX.X.XXX" request

[moneytoo]

There's no external audio support in Just Player and none is planned (#254).

Just player gives error message "Cannot play video format".

Is this error related to the external audio file? Does the video play without that audio file present?