From 4b8fb6c246493480bd0ea1874914343fe49256c0 Mon Sep 17 00:00:00 2001
From: Alexander Karsakov <alexander.karsakov@itseez.com>
Date: Thu, 3 Jul 2014 10:27:53 +0400
Subject: [PATCH] Fixed dst size

---
 modules/core/src/dxt.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/core/src/dxt.cpp b/modules/core/src/dxt.cpp
index 033bf4512..30053f28e 100644
--- a/modules/core/src/dxt.cpp
+++ b/modules/core/src/dxt.cpp
@@ -1496,6 +1496,7 @@ void cv::dft( InputArray _src0, OutputArray _dst, int flags, int nonzero_rows )
     int elem_size = (int)src.elemSize1(), complex_elem_size = elem_size*2;
     int factors[34];
     bool inplace_transform = false;
+    bool is1d = (flags & DFT_ROWS) != 0 || src.rows == 1;
 #ifdef USE_IPP_DFT
     AutoBuffer<uchar> ippbuf;
     int ipp_norm_flag = !(flags & DFT_SCALE) ? 8 : inv ? 2 : 1;
@@ -1504,7 +1505,10 @@ void cv::dft( InputArray _src0, OutputArray _dst, int flags, int nonzero_rows )
     CV_Assert( type == CV_32FC1 || type == CV_32FC2 || type == CV_64FC1 || type == CV_64FC2 );
 
     if( !inv && src.channels() == 1 && (flags & DFT_COMPLEX_OUTPUT) )
-        _dst.create( src.size(), CV_MAKETYPE(depth, 2) );
+        if (!is1d)
+            _dst.create( src.size(), CV_MAKETYPE(depth, 2) );
+        else
+            _dst.create( Size(src.cols/2+1, src.rows), CV_MAKETYPE(depth, 2) );
     else if( inv && src.channels() == 2 && (flags & DFT_REAL_OUTPUT) )
         _dst.create( src.size(), depth );
     else