gf_isom_3gp_config_update 1820 include/gpac/isomedia.h GF_Err gf_isom_3gp_config_update(GF_ISOFile *the_file, u32 trackNumber, GF_3GPConfig *config, u32 DescriptionIndex);
gf_isom_3gp_config_update 4142 src/media_tools/media_import.c 	if (update_gpp_cfg) gf_isom_3gp_config_update(import->dest, track, &gpp_cfg, 1);