ff_snow_vertical_compose97i  852 libavcodec/snow_dwt.c     c->vertical_compose97i   = ff_snow_vertical_compose97i;
ff_snow_vertical_compose97i  102 libavcodec/snow_dwt.h void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,