69 			traf->trex = NULL;  in MergeFragment()
72 			traf->trex = (GF_TrackExtendsBox*)gf_list_get(mov->moov->mvex->TrackExList, 0);  in MergeFragment()
73 			assert(traf->trex);  in MergeFragment()
74 			traf->trex->trackID = trak->Header->trackID = traf->tfhd->trackID;  in MergeFragment()
78 			while ((traf->trex = (GF_TrackExtendsBox*)gf_list_enum(mov->moov->mvex->TrackExList, &j))) {  in MergeFragment()
79 				if (traf->trex->trackID == traf->tfhd->trackID) break;  in MergeFragment()
80 				traf->trex = NULL;  in MergeFragment()
84 		if (!trak || !traf->trex) {  in MergeFragment()
221 			GF_TrackExtendsBox *trex = GetTrex(mov->moov, tkid);  in gf_isom_setup_traf_inheritance()  local
222 			if (trex) trex->inherit_from_traf_id = reftkid;  in gf_isom_setup_traf_inheritance()
483 							while ((traf->trex = (GF_TrackExtendsBox*)gf_list_enum(mov->moov->mvex->TrackExList, &j))) {  in gf_isom_parse_movie_boxes()
484 								if (traf->trex->trackID == traf->tfhd->trackID) {  in gf_isom_parse_movie_boxes()
485 									if (!traf->trex->track) traf->trex->track = trak;  in gf_isom_parse_movie_boxes()
488 								traf->trex = NULL;  in gf_isom_parse_movie_boxes()
492 						if (traf->trex && traf->tfhd && traf->trex->track && traf->sample_encryption) {  in gf_isom_parse_movie_boxes()
494 …x = traf->tfhd->sample_desc_index ? traf->tfhd->sample_desc_index : traf->trex->def_sample_desc_in…  in gf_isom_parse_movie_boxes()