gf_isom_force_64bit_chunk_offset 5064 applications/mp4box/main.c gf_isom_force_64bit_chunk_offset(file, GF_TRUE); gf_isom_force_64bit_chunk_offset 1079 include/gpac/isomedia.h void gf_isom_force_64bit_chunk_offset(GF_ISOFile *the_file, Bool set_on);