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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-12-01 13:23:24 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-12-08 19:08:30 +0100 |
| commit | 7390c2629dc24a69612bfdf92250fad3effc6d37 (patch) | |
| tree | fe9c8152a33a439d024af44327ed5e7be2f1af74 | |
| parent | 3d9860f68af5d3cc588fe67ebe11eba61c180649 (diff) | |
| download | ffmpeg-7390c2629dc24a69612bfdf92250fad3effc6d37.tar.gz | |
avcodec/motion_est: use 2x8x8 for interlaced qpel
Fixes out of array read
Fixes Ticket4121
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b50e003e1cb6a215df44ffa3354603bf600b4aa3)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/motion_est.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c index 5ca59aa2e5..0d441848d6 100644 --- a/libavcodec/motion_est.c +++ b/libavcodec/motion_est.c @@ -189,7 +189,13 @@ static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int int uvdxy; /* no, it might not be used uninitialized */ if(dxy){ if(qpel){ - c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) + if (h << size == 16) { + c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) + } else if (size == 0 && h == 8) { + c->qpel_put[1][dxy](c->temp , ref[0] + x + y*stride , stride); + c->qpel_put[1][dxy](c->temp + 8, ref[0] + x + y*stride + 8, stride); + } else + av_assert2(0); if(chroma){ int cx= hx/2; int cy= hy/2; |