SliceContext *slice = link->dst->priv;
int y2;
+ if (slice_dir == 1) {
for (y2 = y; y2 + slice->h <= y + h; y2 += slice->h)
avfilter_draw_slice(link->dst->outputs[0], y2, slice->h, slice_dir);
if (y2 < y + h)
avfilter_draw_slice(link->dst->outputs[0], y2, y + h - y2, slice_dir);
+ } else if (slice_dir == -1) {
+ for (y2 = y + h; y2 - slice->h >= y; y2 -= slice->h)
+ avfilter_draw_slice(link->dst->outputs[0], y2 - slice->h, slice->h, slice_dir);
+
+ if (y2 > y)
+ avfilter_draw_slice(link->dst->outputs[0], y, y2 - y, slice_dir);
+ }
}
AVFilter avfilter_vf_slicify = {