embed chunk buffer into pic_chunk
embed chunk buffer into pic_chunk

leavesbnw/picrin,picrin-scheme/picrin,leavesbnw/picrin,ktakashi/picrin,koba-e964/picrin,omasanori/picrin,koba-e964/picrin,picrin-scheme/picrin,leavesbnw/picrin,dcurrie/picrin,dcurrie/picrin,omasanori/picrin,koba-e964/picrin,ktakashi/picrin,ktakashi/picrin