stbl_RemoveSampleGroup 3353 include/gpac/internal/isomedia_dev.h GF_Err stbl_RemoveSampleGroup(GF_SampleTableBox *stbl, u32 SampleNumber);
stbl_RemoveSampleGroup 1110 src/isomedia/isom_write.c 	e = stbl_RemoveSampleGroup(trak->Media->information->sampleTable, sampleNumber);