ff_snow_horizontal_compose97i 4620 libavcodec/dsputil.c c->horizontal_compose97i = ff_snow_horizontal_compose97i; ff_snow_horizontal_compose97i 1261 libavcodec/snow.c if(y-1<(unsigned)height) ff_snow_horizontal_compose97i(b0, width); ff_snow_horizontal_compose97i 1262 libavcodec/snow.c if(y+0<(unsigned)height) ff_snow_horizontal_compose97i(b1, width); ff_snow_horizontal_compose97i 125 libavcodec/snow.h void ff_snow_horizontal_compose97i(IDWTELEM *b, int width);