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authorPedro Arthur <bygrandao@gmail.com>2015-09-25 12:17:43 -0300
committerPedro Arthur <bygrandao@gmail.com>2015-09-25 12:18:58 -0300
commita8602dde5e0a9858b9cee7e3788bef8efc43d950 (patch)
tree3415dc47893ab1be1c06d87594492950d6eb7233 /libswscale/swscale.c
parent25df7b1c35bf488b5dcc60f539fa74870182c647 (diff)
downloadffmpeg-a8602dde5e0a9858b9cee7e3788bef8efc43d950.tar.gz
swscale: fix ticket #4877
Diffstat (limited to 'libswscale/swscale.c')
-rw-r--r--libswscale/swscale.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 346728d9bd..2ccf38f3bb 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -480,17 +480,18 @@ static int swscale(SwsContext *c, const uint8_t *src[],
ff_init_slice_from_src(vout_slice, (uint8_t**)dst, dstStride, c->dstW,
dstY, dstH, dstY >> c->chrDstVSubSample,
FF_CEIL_RSHIFT(dstH, c->chrDstVSubSample));
-
- hout_slice->plane[0].sliceY = lastInLumBuf + 1;
- hout_slice->plane[1].sliceY = lastInChrBuf + 1;
- hout_slice->plane[2].sliceY = lastInChrBuf + 1;
- hout_slice->plane[3].sliceY = lastInLumBuf + 1;
-
- hout_slice->plane[0].sliceH =
- hout_slice->plane[1].sliceH =
- hout_slice->plane[2].sliceH =
- hout_slice->plane[3].sliceH = 0;
- hout_slice->width = dstW;
+ if (srcSliceY == 0) {
+ hout_slice->plane[0].sliceY = lastInLumBuf + 1;
+ hout_slice->plane[1].sliceY = lastInChrBuf + 1;
+ hout_slice->plane[2].sliceY = lastInChrBuf + 1;
+ hout_slice->plane[3].sliceY = lastInLumBuf + 1;
+
+ hout_slice->plane[0].sliceH =
+ hout_slice->plane[1].sliceH =
+ hout_slice->plane[2].sliceH =
+ hout_slice->plane[3].sliceH = 0;
+ hout_slice->width = dstW;
+ }
#endif
for (; dstY < dstH; dstY++) {