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copyTo: fix for big data (4Gb+)

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This commit is contained in:
Alexander Alekhin 2015-06-25 19:59:27 +03:00
parent 8298644b85
commit 24e2a008c3
1 changed files with 8 additions and 2 deletions
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10
modules/core/src/copy.cpp
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@ -288,11 +288,17 @@ void Mat::copyTo( OutputArray _dst ) const
const uchar* sptr = data;
uchar* dptr = dst.data;
CV_IPP_RUN(
(size_t)cols*elemSize() <= (size_t)INT_MAX &&
(size_t)step <= (size_t)INT_MAX &&
(size_t)dst.step <= (size_t)INT_MAX
,
ippiCopy_8u_C1R(sptr, (int)step, dptr, (int)dst.step, ippiSize((int)(cols*elemSize()), rows)) >= 0
)
Size sz = getContinuousSize(*this, dst);
size_t len = sz.width*elemSize();
CV_IPP_RUN(true, ippiCopy_8u_C1R(sptr, (int)step, dptr, (int)dst.step, ippiSize((int)len, sz.height)) >= 0)
for( ; sz.height--; sptr += step, dptr += dst.step )
memcpy( dptr, sptr, len );
}