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third_party/ffmpeg/libavcodec/x86/mpegvideodsp.c: Fix signedness bug in need_emu #624

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third_party/ffmpeg/libavcodec/x86/mpegvideodsp.c: Fix signedness bug in need_emu #624

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4 changes: 2 additions & 2 deletions third_party/ffmpeg/libavcodec/x86/mpegvideodsp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -53,8 +53,8 @@ static void gmc_mmx(uint8_t *dst, uint8_t *src,
const int dyh = (dyy - (1 << (16 + shift))) * (h - 1);
const int dxh = dxy * (h - 1);
const int dyw = dyx * (w - 1);
int need_emu = (unsigned) ix >= width - w ||
(unsigned) iy >= height - h;
int need_emu = (unsigned) ix >= width - w || width < w ||
(unsigned) iy >= height - h || height < h;

if ( // non-constant fullpel offset (3% of blocks)
((ox ^ (ox + dxw)) | (ox ^ (ox + dxh)) | (ox ^ (ox + dxw + dxh)) |
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