sg_encryption_compare_entry 5139 src/isomedia/isom_write.c 			e = gf_isom_set_sample_group_info_ex(NULL, traf, 0, grouping_type, 0, udta, sg_encryption_create_entry, sg_encryption_compare_entry);
sg_encryption_compare_entry 5175 src/isomedia/isom_write.c 	e = gf_isom_set_sample_group_info(movie, track, sample_number, GF_4CC( 's', 'e', 'i', 'g' ), 0, udta, sg_encryption_create_entry, sg_encryption_compare_entry);