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fixed single-mat input/output in mixChannels() (ticket #1446)

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This commit is contained in:
Vadim Pisarevsky 2011-12-03 20:19:33 +00:00
parent 3ae22014a0
commit 8989e0b07e
1 changed files with 10 additions and 3 deletions
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13
modules/core/src/convert.cpp
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@ -508,14 +508,21 @@ void cv::mixChannels(InputArrayOfArrays src, InputArrayOfArrays dst,
{
if(fromTo.empty())
return;
int i, nsrc = (int)src.total(), ndst = (int)dst.total();
bool src_is_mat = src.kind() != _InputArray::STD_VECTOR_MAT &&
src.kind() != _InputArray::STD_VECTOR_VECTOR;
bool dst_is_mat = dst.kind() != _InputArray::STD_VECTOR_MAT &&
dst.kind() != _InputArray::STD_VECTOR_VECTOR;
int i;
int nsrc = src_is_mat ? 1 : (int)src.total();
int ndst = dst_is_mat ? 1 : (int)dst.total();
CV_Assert(fromTo.size()%2 == 0 && nsrc > 0 && ndst > 0);
cv::AutoBuffer<Mat> _buf(nsrc + ndst);
Mat* buf = _buf;
for( i = 0; i < nsrc; i++ )
buf[i] = src.getMat(i);
buf[i] = src.getMat(src_is_mat ? -1 : i);
for( i = 0; i < ndst; i++ )
buf[nsrc + i] = dst.getMat(i);
buf[nsrc + i] = dst.getMat(dst_is_mat ? -1 : i);
mixChannels(&buf[0], nsrc, &buf[nsrc], ndst, &fromTo[0], fromTo.size()/2);
}