Two things must be fixed. One, is permissions on the AM Logic devices and hardware codec. The Kodi developers decided to stop using hacks to get around permission issues. See https://forum.kodi.tv/showthread.php?tid=229310
This is what you need to do:
chmod 666 /sys/class/display/mode chmod 666 /dev/amvideo chmod 666 /dev/amstream* chmod 666 /sys/class/video/axis chmod 666 /sys/class/video/screen_mode chmod 666 /sys/class/video/disable_video chmod 666 /sys/class/tsync/pts_pcrscr chmod 666 /sys/class/audiodsp/digital_raw chmod 666 /sys/class/ppmgr/ppmgr_3d_mode chmod 666 /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq chmod 666 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq chmod 666 /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
Two, since Kodi 17 won't work on Android 4.2.2, we must use a fork. Not a kitchen fork, but a software fork. Community Edition Media Center aka CEMC is a fork of Kodi v16, with Backports of Kodi 17 features. Mainly HTTPS support and allowing Kodi v17 Repos and Add Ons!
https://play.google.com/store/apps/d...bmc.cemc&hl=en
Just install it. It will migrate your existing XBMC library to it. That's all you need to do. You just extended the life of your old 4.2.2 Prometheus for a year or two. Keep in mind this won't give you x265 or HEVC hardware support, so make sure you "encode" in x264.
Good thing too. You can't find any good looking boxes any more, just squares.
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