[FFmpeg-cvslog] swscale/swscale_unscaled: Fix packed_16bpc_bswap() with slices

[Michael Niedermayer]

ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Fri Sep  2 20:25:24 2016 +0200| [5aaf7e31829d624803af4290120bc0fd4c34edd8] | committer: Michael Niedermayer

swscale/swscale_unscaled: Fix packed_16bpc_bswap() with slices

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 47bc1bdafb0950ccf128eaa491d8fd7cc0978813)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5aaf7e31829d624803af4290120bc0fd4c34edd8
---

 libswscale/swscale_unscaled.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index b231abe..8df0694 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -352,6 +352,7 @@ static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
         int min_stride         = FFMIN(FFABS(srcstr), FFABS(dststr));
         if(!dstPtr || !srcPtr)
             continue;
+        dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr;
         for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
             for (j = 0; j < min_stride; j++) {
                 dstPtr[j] = av_bswap16(srcPtr[j]);