gf_isom_is_JPEG2000 2881 applications/mp4box/filedump.c 	if (gf_isom_is_JPEG2000(file)) fprintf(stderr, "File is JPEG 2000\n");
gf_isom_is_JPEG2000  476 include/gpac/isomedia.h Bool gf_isom_is_JPEG2000(GF_ISOFile *mov);