static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
static int encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
static void encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){    //    encode_subband_qtree(s, b, src, parent, stride, orientation);//    encode_subband_z0run(s, b, src, parent, stride, orientation);    encode_subband_c0run(s, b, src, parent, stride, orientation);//    encode_subband_dzr(s, b, src, parent, stride, orientation);}