gf_isom_add_sample_info 2576 include/gpac/isomedia.h GF_Err gf_isom_add_sample_info(GF_ISOFile *movie, u32 track, u32 sample_number, u32 grouping_type, u32 sampleGroupDescriptionIndex, u32 grouping_type_parameter);
gf_isom_add_sample_info 3053 src/media_tools/isom_tools.c 				e = gf_isom_add_sample_info(file, track, i+1, GF_4CC('n','a','l','m'), sdesc, GF_4CC('t','r','i','f'));