gf_isom_segment_get_track_fragment_count 2817 applications/mp4box/filedump.c 				u32 traf_count = gf_isom_segment_get_track_fragment_count(file, i+1);
gf_isom_segment_get_track_fragment_count  538 include/gpac/isomedia.h u32 gf_isom_segment_get_track_fragment_count(GF_ISOFile *file, u32 moof_index);