From 93df243a59e4c0152b50c4da97a6bbe13d1ee357 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 1 Dec 2014 13:23:24 +0100 Subject: [PATCH] avcodec/motion_est: use 2x8x8 for interlaced qpel Fixes out of array read Fixes Ticket4121 Signed-off-by: Michael Niedermayer (cherry picked from commit b50e003e1cb6a215df44ffa3354603bf600b4aa3) Signed-off-by: Michael Niedermayer --- libavcodec/motion_est.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c index 81ee2bd6b3..aae215f1d2 100644 --- a/libavcodec/motion_est.c +++ b/libavcodec/motion_est.c @@ -193,7 +193,13 @@ 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;