[FFmpeg-cvslog] swscale: fix ticket 4850

[Pedro Arthur]

ffmpeg | branch: release/2.8 | Pedro Arthur <bygrandao at gmail.com> | Sun Sep 20 18:03:49 2015 -0300| [a8d0dcbafadef11156833f1a335f3473c08727aa] | committer: Michael Niedermayer

swscale: fix ticket 4850
(cherry picked from commit 77367f61b38dbdf17c31aa6a6b3edccb2ebf5354)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a8d0dcbafadef11156833f1a335f3473c08727aa
---

 libswscale/swscale.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 45a6b7c..cdc30a2 100644
--- 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[3].sliceY = lastInLumBuf + 1;
+                hout_slice->plane[0].sliceY = firstLumSrcY;
+                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[2].sliceY = lastInChrBuf + 1;
+                hout_slice->plane[1].sliceY = firstChrSrcY;
+                hout_slice->plane[2].sliceY = firstChrSrcY;
                 hout_slice->plane[1].sliceH =
                 hout_slice->plane[2].sliceH = 0;
             }