Saw this and thought it interesting. At $1295 a bit pricey for a Raspberry-pi device but as a turnkey solution is appealing in today's overpriced world (a recent review touted the new Aurender $5500 player as "affordable" so should appeal to all audiophiles...)
http://bryston.com/products/digital_audio/BDP-Pi.html
http://www.digitalaudioreview.net/2016/08/brystons-bdp-π-is-a-rich-roon-ready-slice-of-raspberry-pi/
https://www.hifiberry.com/blog/bryston-bdp-π-with-digi-inside/
https://hometheaterhifi.com/press-releases/bryston-unveils-bdp-π-compact-digital-music-player/
http://bryston.com/products/digital_audio/BDP-Pi.html
http://www.digitalaudioreview.net/2016/08/brystons-bdp-π-is-a-rich-roon-ready-slice-of-raspberry-pi/
https://www.hifiberry.com/blog/bryston-bdp-π-with-digi-inside/
https://hometheaterhifi.com/press-releases/bryston-unveils-bdp-π-compact-digital-music-player/