Force serviio to downmix to stero?

Hi,
Is there any way that I can force serviio to automatically downmix to stereo when it is not transcoding?
I have a Panasonic 50GT50 and problem is that it does not downmix correctly, so I would like serviio to do the downmixing.
Is this possible in any way?
Is there any way that I can force serviio to automatically downmix to stereo when it is not transcoding?
I have a Panasonic 50GT50 and problem is that it does not downmix correctly, so I would like serviio to do the downmixing.
Is this possible in any way?