ftypavifavifmif1miafmeta!hdlrpictpitm4ilocD@8iinfinfeav01infeav01iprpipcocolrnclx  av1Cispepixi8auxCurn:mpeg:mpegB:cicp:systems:auxiliary:alpha av1C ispepixiipmairefauxl1mdat 2Br h4 2 $b