Hi, > + int cb=2, cr=1; > + if (sh->format == IMGFMT_IYUV || sh->format == IMGFMT_I420) { you could/should use if(mpi->flags&MP_IMGFLAGS_SWAPPED) here A'rpi / Astral & ESP-team -- Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu