From 0319120adc3c8301212e36c998650bdf0c6ce70e Mon Sep 17 00:00:00 2001
From: Alexander Mordvintsev <Alexander.Mordvintsev@transas.com>
Date: Wed, 17 Sep 2014 13:26:39 +0400
Subject: [PATCH] fix: ippiFilterMedianBorder sometimes crash when doing
in-place filtering
---
modules/imgproc/src/smooth.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp
index a53d8fe5dd..0872c44c6b 100644
--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@@ -2163,7 +2163,7 @@ void cv::medianBlur( InputArray _src0, OutputArray _dst, int ksize )
ippDataType, CV_MAT_CN(type), &bufSize) >= 0) \
{ \
Ipp8u * buffer = ippsMalloc_8u(bufSize); \
- IppStatus status = ippiFilterMedianBorder_##flavor(src0.ptr<ippType>(), (int)src0.step, \
+ IppStatus status = ippiFilterMedianBorder_##flavor(src.ptr<ippType>(), (int)src.step, \
dst.ptr<ippType>(), (int)dst.step, dstRoiSize, maskSize, \
ippBorderRepl, (ippType)0, buffer); \
ippsFree(buffer); \
@@ -2178,6 +2178,11 @@ void cv::medianBlur( InputArray _src0, OutputArray _dst, int ksize )
{
Ipp32s bufSize;
IppiSize dstRoiSize = ippiSize(dst.cols, dst.rows), maskSize = ippiSize(ksize, ksize);
+ Mat src;
+ if( dst.data != src0.data )
+ src = src0;
+ else
+ src0.copyTo(src);
int type = src0.type();
if (type == CV_8UC1)