the new ffmpeg2.8 package, breaks kodi-c1 with:
$this->bbcode_second_pass_code('', '/usr/lib/kodi/kodi.bin: symbol lookup error: /usr/lib/kodi/kodi.bin: undefined symbol: eglGetDisplay')
ffmpeg2.8 is a dependencies for firefox and gst-libav
if i remove ffmpeg2.8 (sudo pacman -Rns ffmpeg2.8) kodi-c1 works again.