stbl_AddSize     3316 include/gpac/internal/isomedia_dev.h GF_Err stbl_AddSize(GF_SampleSizeBox *stsz, u32 sampleNumber, u32 size);
stbl_AddSize      798 src/isomedia/media.c 	e = stbl_AddSize(stbl->SampleSize, sampleNumber, sample->dataLength);