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Convert multiplier for MV from int to ptrdiff_t.

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This prevents emulated_edge_mc from not undoing mvy*stride-related
integer overflows.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Ronald S. Bultje
2013-09-27 20:13:59 -04:00
committed by Michael Niedermayer
parent 7381d31f22
commit c341f734e5
17 changed files with 32 additions and 31 deletions
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3
libavcodec/x86/videodsp_init.c
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@@ -39,14 +39,13 @@ extern emu_edge_core_func ff_emu_edge_core_mmx;
extern emu_edge_core_func ff_emu_edge_core_sse;
static av_always_inline void emulated_edge_mc(uint8_t *buf, const uint8_t *src,
ptrdiff_t linesize_arg,
ptrdiff_t linesize,
int block_w, int block_h,
int src_x, int src_y,
int w, int h,
emu_edge_core_func *core_fn)
{
int start_y, start_x, end_y, end_x, src_y_add = 0;
emuedge_linesize_type linesize = linesize_arg;
if(!w || !h)
return;