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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2013-09-28 04:13:59 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-09-28 13:28:09 +0400 |
| commit | c341f734e5f9d6af4a8fdcceb6f5d12de6395c76 (patch) | |
| tree | 42c66699b2e6685e3c4ab67d32a6d0dec7a6e2be /libavcodec/wmv2.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/wmv2.c')
| -rw-r--r-- | libavcodec/wmv2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c index 918d438ec2..eea819bfdb 100644 --- a/libavcodec/wmv2.c +++ b/libavcodec/wmv2.c @@ -94,7 +94,8 @@ void ff_mspel_motion(MpegEncContext *s, { Wmv2Context * const w= (Wmv2Context*)s; uint8_t *ptr; - int dxy, offset, mx, my, src_x, src_y, v_edge_pos, linesize, uvlinesize; + int dxy, mx, my, src_x, src_y, v_edge_pos; + ptrdiff_t offset, linesize, uvlinesize; int emu=0; dxy = ((motion_y & 1) << 1) | (motion_x & 1); |