swscale: fix ticket 4850

(cherry picked from commit 77367f61) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

swscale: fix ticket 4850
(cherry picked from commit 77367f61) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
a8d0dcba · Pedro Arthur · Michael Niedermayer · 2a6103a0 · a8d0dcba
Commit a8d0dcba authored Sep 20, 2015 by Pedro Arthur Committed by Michael Niedermayer Oct 08, 2015
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swscale.c libswscale/swscale.c +4 -4

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--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -522,8 +522,8 @@ static int swscale(SwsContext *c, const uint8_t *src[],
 #ifdef NEW_FILTER
            hasLumHoles = lastInLumBuf != firstLumSrcY - 1;
            if (hasLumHoles) {
-                hout_slice->plane[0].sliceY = lastInLumBuf + 1;
+                hout_slice->plane[0].sliceY = firstLumSrcY;
-                hout_slice->plane[3].sliceY = lastInLumBuf + 1;
+                hout_slice->plane[3].sliceY = firstLumSrcY;
                hout_slice->plane[0].sliceH =
                hout_slice->plane[3].sliceH = 0;
            }
@@ -534,8 +534,8 @@ static int swscale(SwsContext *c, const uint8_t *src[],
 #ifdef NEW_FILTER
            hasChrHoles = lastInChrBuf != firstChrSrcY - 1;
            if (hasChrHoles) {
-                hout_slice->plane[1].sliceY = lastInChrBuf + 1;
+                hout_slice->plane[1].sliceY = firstChrSrcY;
-                hout_slice->plane[2].sliceY = lastInChrBuf + 1;
+                hout_slice->plane[2].sliceY = firstChrSrcY;
                hout_slice->plane[1].sliceH =
                hout_slice->plane[2].sliceH = 0;
            }