Set Codec Information to Downmixed DTS
Set Codec Information to Downmixed DTS

Use the informative message Downmixed DTS when DTS audio is downmixed.

Signed-off-by: pieterg <4be8a23fd181ba21c4bba5d441bd4e44c249ef74@users.sourceforge.net>

OpenAZBox/azbox-dvbmediasink,OpenPLi/gst-plugin-dvbmediasink,mx3L/gst-plugin-dvbmediasink-1,athoik/gst-plugin-dvbmediasink,sklnet/gst-plugin-dvbmediasink