[FFmpeg-cvslog] avcodec/pixlet: fix undefined behaviour in postprocess_chroma

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Dec 24 10:22:39 2016 +0100| [43cd33be16b21b9a217025e208f4ffbf0bf81da4] | committer: Paul B Mahol

avcodec/pixlet: fix undefined behaviour in postprocess_chroma

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=43cd33be16b21b9a217025e208f4ffbf0bf81da4
---

 libavcodec/pixlet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/pixlet.c b/libavcodec/pixlet.c
index 359c4f3..1755fb8 100644
--- a/libavcodec/pixlet.c
+++ b/libavcodec/pixlet.c
@@ -479,8 +479,8 @@ static void postprocess_chroma(AVFrame *frame, int w, int h, int depth)
     int16_t *srcv  = (int16_t *)frame->data[2];
     ptrdiff_t strideu = frame->linesize[1] / 2;
     ptrdiff_t stridev = frame->linesize[2] / 2;
-    const int add = 1 << (depth - 1);
-    const int shift = 16 - depth;
+    const unsigned add = 1 << (depth - 1);
+    const unsigned shift = 16 - depth;
     int i, j;
 
     for (j = 0; j < h; j++) {