JP2_FTYP_MAJVER   135 3rdparty/libjasper/jp2_cod.h #define	JP2_FTYP_COMPATCODE		JP2_FTYP_MAJVER
JP2_FTYP_MAJVER   148 3rdparty/libjasper/jp2_enc.c     ftyp->majver = JP2_FTYP_MAJVER;