I have just bought a Sony Tablet S to watch movies from, hopefully streamed from Mezzmo.

I have selected Tablet S as the device profile but have the following issues.

Using the Sony DLNA app I get 'The device cannot play this content' for M4A audio files (isnt mezzmo supposed to transcode these into a format appropriate for the profile?)

When using the SoftMedia app, the file can be selected but never actually plays. Mezzmo status says its streaming the file to the device.
The same thing happens for Video files (MKV) I have on my server.

Any thoughts?