lavfi/idet: fix chroma subsampling with odd sizes.

61b268ee · Clément Bœsch · 6c5bd7d7 · 61b268ee
Commit 61b268ee authored May 16, 2013 by Clément Bœsch
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vf_idet.c libavfilter/vf_idet.c +2 -2

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--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@@ -118,8 +118,8 @@ static void filter(AVFilterContext *ctx)
        int refs = idet->cur->linesize[i];

        if (i && i<3) {
-            w >>= idet->csp->log2_chroma_w;
-            h >>= idet->csp->log2_chroma_h;
+            w = FF_CEIL_RSHIFT(w, idet->csp->log2_chroma_w);
+            h = FF_CEIL_RSHIFT(h, idet->csp->log2_chroma_h);
        }

        for (y = 2; y < h - 2; y++) {