lavfi: use ceil right shift for chroma width/height.

[ffmpeg] / libavfilter / vf_smartblur.c

diff --git a/libavfilter/vf_smartblur.c b/libavfilter/vf_smartblur.c
index 4dd1664676a8abf568d2f138625adf9b91a10107..daf74513a73ec50363a48d5ddbad3be7dc979bd6 100644 (file)
--- a/libavfilter/vf_smartblur.c
+++ b/libavfilter/vf_smartblur.c
@@ -166,7 +166,8 @@ static int config_props(AVFilterLink *inlink)
 
     alloc_sws_context(&sblur->luma, inlink->w, inlink->h, sblur->sws_flags);
     alloc_sws_context(&sblur->chroma,
-                      inlink->w >> sblur->hsub, inlink->h >> sblur->vsub,
+                      FF_CEIL_RSHIFT(inlink->w, sblur->hsub),
+                      FF_CEIL_RSHIFT(inlink->h, sblur->vsub),
                       sblur->sws_flags);
 
     return 0;
@@ -241,8 +242,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
     SmartblurContext  *sblur  = inlink->dst->priv;
     AVFilterLink *outlink     = inlink->dst->outputs[0];
     AVFrame *outpic;
-    int cw = inlink->w >> sblur->hsub;
-    int ch = inlink->h >> sblur->vsub;
+    int cw = FF_CEIL_RSHIFT(inlink->w, sblur->hsub);
+    int ch = FF_CEIL_RSHIFT(inlink->h, sblur->vsub);
 
     outpic = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!outpic) {