gf_isom_get_track_from_original_id 3226 include/gpac/internal/isomedia_dev.h GF_TrackBox *gf_isom_get_track_from_original_id(GF_MovieBox *moov, u32 originalID, u32 originalFile);
gf_isom_get_track_from_original_id 3353 src/isomedia/isom_write.c 			a_trak = gf_isom_get_track_from_original_id(movie->moov, ref->trackIDs[k], trak->originalFile);