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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-03-11 16:55:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-03-11 16:55:07 +0100 |
| commit | 9b2a964ceeaba09fbd71a82ce58344614761e9ee (patch) | |
| tree | f967179c8585a86778193e0923ee104b69ed2eb4 | |
| parent | 8617bc6ffaa80916bca42a2fa621ab29c82e9e0b (diff) | |
| download | ffmpeg-9b2a964ceeaba09fbd71a82ce58344614761e9ee.tar.gz | |
avcodec/vp8: Fix undefined shifts in vp8_mc_luma()
Found-by: Clang -fsanitize=shift
Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/vp8.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 448710b279..4b3234714b 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -1721,8 +1721,8 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst, if (AV_RN32A(mv)) { int src_linesize = linesize; - int mx = (mv->x << 1) & 7, mx_idx = subpel_idx[0][mx]; - int my = (mv->y << 1) & 7, my_idx = subpel_idx[0][my]; + int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx]; + int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my]; x_off += mv->x >> 2; y_off += mv->y >> 2; |