Try this
opkg update;opkg install ffmpeg
opkg install exteplayer3
opkg install gstplayer
opkg install enigma2-plugin-systemplugins-serviceapp
Then use that
init 4 && sleep 1 && echo "config.plugins.iptvplayer.exteplayer3path=/usr/bin/exteplayer3" >> /etc/enigma2/settings && init 3