Merge commit 'a638e918'

* commit 'a638e918':
  vf_fade: make sure the slice end is always in the frame
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

libavfilter/vf_fade.c

@@ -247,7 +247,7 @@ static int filter_slice_chroma(AVFilterContext *ctx, void *arg, int jobnr,
     const int width = AV_CEIL_RSHIFT(frame->width, s->hsub);
     const int height= AV_CEIL_RSHIFT(frame->height, s->vsub);
     int slice_start = (height *  jobnr   ) / nb_jobs;
-    int slice_end   = (height * (jobnr+1)) / nb_jobs;
+    int slice_end   = FFMIN(((height * (jobnr+1)) / nb_jobs), frame->height);
 
     for (plane = 1; plane < 3; plane++) {
         for (i = slice_start; i < slice_end; i++) {