import opencv-3.4.6-8.el8

SOURCES/opencv-3.4.6-cvSaveImage.patch

@@ -0,0 +1,31 @@
+From 6e1da2ef91907678159d40f600a56094c4d196b9 Mon Sep 17 00:00:00 2001
+From: Zhuo Zhang <zchrissirhcz@gmail.com>
+Date: Fri, 25 Dec 2020 00:58:16 +0800
+Subject: [PATCH] Merge pull request #19203 from zchrissirhcz:fix-cvSaveImage
+
+Fix cvSaveImage( ) function bug
+
+* fix cvSaveImage crash
+
+* replace emplace_back with {}, no C++11 required
+
+* fix MacOSX build with vector's push_back
+---
+ modules/imgcodecs/src/loadsave.cpp | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/modules/imgcodecs/src/loadsave.cpp b/modules/imgcodecs/src/loadsave.cpp
+index 4e626cd2165b..44c458c7273c 100644
+--- a/modules/imgcodecs/src/loadsave.cpp
++++ b/modules/imgcodecs/src/loadsave.cpp
+@@ -1001,7 +1001,9 @@ cvSaveImage( const char* filename, const CvArr* arr, const int* _params )
+         for( ; _params[i] > 0; i += 2 )
+             CV_Assert(static_cast<size_t>(i) < cv::CV_IO_MAX_IMAGE_PARAMS*2); // Limit number of params for security reasons
+     }
+-    return cv::imwrite_(filename, cv::cvarrToMat(arr),
++    std::vector<cv::Mat> img_vec;
++    img_vec.push_back(cv::cvarrToMat(arr));
++    return cv::imwrite_(filename, img_vec,
+         i > 0 ? std::vector<int>(_params, _params+i) : std::vector<int>(),
+         CV_IS_IMAGE(arr) && ((const IplImage*)arr)->origin == IPL_ORIGIN_BL );
+ }

SPECS/opencv.spec

@@ -54,7 +54,7 @@
 
 Name:           opencv
 Version:        3.4.6
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        Collection of algorithms for computer vision
 # This is normal three clause BSD.
 License:        BSD
@@ -69,6 +69,8 @@ Source1:        %{name}_contrib-clean-%{version}.tar.gz
 # fix/simplify cmake config install location (upstreamable)
 # https://bugzilla.redhat.com/1031312
 Patch1:         opencv-3.4.6-install_3rdparty_licenses.patch
+# https://bugzilla.redhat.com/show_bug.cgi?id=2104776
+Patch2:         opencv-3.4.6-cvSaveImage.patch
 BuildRequires:  libtool
 BuildRequires:  cmake >= 2.6.3
 BuildRequires:  chrpath
@@ -214,6 +216,7 @@ to provide decent performance and stability.
 rm -r 3rdparty/
 
 %patch1 -p1 -b .install_3rdparty_licenses
+%patch2 -p1 -b .cvSaveImage
 
 %build
 export RHEL_ALLOW_PYTHON2_FOR_BUILD=1
@@ -373,6 +376,10 @@ popd
 %{_libdir}/libopencv_xphoto.so.%{abiver}*
 
 %changelog
+* Wed Aug 03 2022 Jiri Kucera <jkucera@redhat.com> - 3.4.6-8
+- Fix cvSaveImage
+  Resolves: #2104776
+
 * Fri Jan 07 2022 Jiri Kucera <jkucera@redhat.com> - 3.4.6-7
 - Add DNN support
   Resolves: #2007780