Commit bf972d5e authored by Stefano Sabatini's avatar Stefano Sabatini

Fix slicify when the slice_direction is negative, make it send slices

from the bottom to the top one.

Originally committed as revision 20754 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 35c504b6
......@@ -78,11 +78,19 @@ static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
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 = {
......
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