gf_isom_sample_has_subsamples 2520 include/gpac/isomedia.h u32 gf_isom_sample_has_subsamples(GF_ISOFile *movie, u32 track, u32 sampleNumber, u32 flags);
gf_isom_sample_has_subsamples 2408 src/media_tools/media_export.c 				u32 n, k, scount = gf_isom_sample_has_subsamples(dumper->file, track, i+1, 0);
gf_isom_sample_has_subsamples 5180 src/media_tools/media_import.c 					nb_subs = gf_isom_sample_has_subsamples(import->dest, track, cur_samp+1, 0);