Jellyfin in Catalina beta 7

Well i got successfully build the jellyfin from source and in the web browser it seems to work until i want to watch a movie. it gives me the next error:

[11:31:13] [INF] Profile: Unknown Profile, Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv, isEligibleForDirectPlay: True, isEligibleForDirectStream: True
[11:31:13] [INF] Profile: Unknown Profile, No direct play profiles found for Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv
[11:31:13] [INF] Profile: Unknown Profile, Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv, isEligibleForDirectPlay: True, isEligibleForDirectStream: True
[11:31:13] [INF] Profile: Unknown Profile, No direct play profiles found for Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv
[11:31:13] [INF] Profile: Unknown Profile, Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv, isEligibleForDirectPlay: True, isEligibleForDirectStream: True
[11:31:13] [INF] Profile: Unknown Profile, No direct play profiles found for Path: /Volumes/Movies/Films/I Am Mother/I Am Mother.mkv
[11:31:13] [ERR] Error processing request
System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaBrowser.Controller.MediaEncoding.EncodingHelper.GetVideoBitrateParamValue(BaseEncodingJobOptions request, MediaStream videoStream, String outputVideoCodec)
   at MediaBrowser.Api.Playback.BaseStreamingService.GetState(StreamRequest request, CancellationToken cancellationToken)
   at MediaBrowser.Api.Playback.Hls.BaseHlsService.ProcessRequestAsync(StreamRequest request, Boolean isLive)
   at Emby.Server.Implementations.Services.ServiceExecGeneral.GetTaskResult(Task task)
   at Emby.Server.Implementations.Services.ServiceHandler.ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken)
   at Emby.Server.Implementations.HttpServer.HttpListenerHost.RequestHandler(IHttpRequest httpReq, String urlString, String host, String localPath, CancellationToken cancellationToken)
[11:31:13] [ERR] Error processing request
System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaBrowser.Controller.MediaEncoding.EncodingHelper.GetVideoBitrateParamValue(BaseEncodingJobOptions request, MediaStream videoStream, String outputVideoCodec)
   at MediaBrowser.Api.Playback.BaseStreamingService.GetState(StreamRequest request, CancellationToken cancellationToken)
   at MediaBrowser.Api.Playback.Hls.DynamicHlsService.GetMasterPlaylistInternal(StreamRequest request, String method)
   at Emby.Server.Implementations.Services.ServiceExecGeneral.GetTaskResult(Task task)
   at Emby.Server.Implementations.Services.ServiceHandler.ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken)
   at Emby.Server.Implementations.HttpServer.HttpListenerHost.RequestHandler(IHttpRequest httpReq, String urlString, String host, String localPath, CancellationToken cancellationToken)
[11:31:14] [ERR] Error processing request
System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaBrowser.Controller.MediaEncoding.EncodingHelper.GetVideoBitrateParamValue(BaseEncodingJobOptions request, MediaStream videoStream, String outputVideoCodec)
   at MediaBrowser.Api.Playback.BaseStreamingService.GetState(StreamRequest request, CancellationToken cancellationToken)
   at MediaBrowser.Api.Playback.Hls.DynamicHlsService.GetMasterPlaylistInternal(StreamRequest request, String method)
   at Emby.Server.Implementations.Services.ServiceExecGeneral.GetTaskResult(Task task)
   at Emby.Server.Implementations.Services.ServiceHandler.ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken)
   at Emby.Server.Implementations.HttpServer.HttpListenerHost.RequestHandler(IHttpRequest httpReq, String urlString, String host, String localPath, CancellationToken cancellationToken)

I know jellyfin isn’t ready yet for Catalina but i give you a heads up on this

That looks like it needs to transcode, but it doesn’t have FFmpeg to do so. Do you have FFmpeg installed?

Yes, ffmpeg is installed