The MPD file is most likely the one to work from - I suspect it is set up to reference the local audio and video files. Try opening it in VLC and see if it plays. If so, something like Handbrake should be able to transcode it all to your preferred format.
The DFXP file should just be subtitles
The MPD file is most likely the one to work from - I suspect it is set up to reference the local audio and video files. Try opening it in VLC and see if it plays. If so, something like Handbrake should be able to transcode it all to your preferred format.