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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2013-09-27 20:13:59 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-09-28 11:28:09 +0200 |
| commit | c341f734e5f9d6af4a8fdcceb6f5d12de6395c76 (patch) | |
| tree | 42c66699b2e6685e3c4ab67d32a6d0dec7a6e2be /libavcodec/h264.c | |
| parent | 7381d31f2267489ed5e939707b7e77a20adc168d (diff) | |
Convert multiplier for MV from int to ptrdiff_t.
This prevents emulated_edge_mc from not undoing mvy*stride-related
integer overflows.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 51484edce1..acaab39f08 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -911,7 +911,7 @@ static av_always_inline void mc_dir_part(H264Context *h, Picture *pic, const int mx = h->mv_cache[list][scan8[n]][0] + src_x_offset * 8; int my = h->mv_cache[list][scan8[n]][1] + src_y_offset * 8; const int luma_xy = (mx & 3) + ((my & 3) << 2); - int offset = ((mx >> 2) << pixel_shift) + (my >> 2) * h->mb_linesize; + ptrdiff_t offset = ((mx >> 2) << pixel_shift) + (my >> 2) * h->mb_linesize; uint8_t *src_y = pic->f.data[0] + offset; uint8_t *src_cb, *src_cr; int extra_width = 0; |