Cannot open omxplayer

Cannot open omxplayer. ERROR, could not open vchiq instance -os.system (“omxplayer --adev local --vol " + str(VOL)+ " /etc/rlj/a/” + str(JUEGNU) + str(1) + “.mp3 &”) - gives error . can someone tell me how to do it? Thank you

Allwinner cannot support omxplayer

then tell me, please, which is the mp4 player BY COMMAND LINE that you recommend to use