From: Alexander Mordvintsev <Alexander.Mordvintsev@transas.com>
Date: Wed, 17 Sep 2014 09:26:39 +0000 (+0400)
Subject: fix: ippiFilterMedianBorder sometimes crash when doing in-place filtering
X-Git-Tag: submit/tizen_ivi/20141117.190038~2^2~95^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0319120adc3c8301212e36c998650bdf0c6ce70e;p=profile%2Fivi%2Fopencv.git

fix: ippiFilterMedianBorder sometimes crash when doing in-place filtering
---

diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp
index a53d8fe..0872c44 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)