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authorCoprDistGit <infra@openeuler.org>2026-04-03 09:39:30 +0000
committerCoprDistGit <infra@openeuler.org>2026-04-03 09:39:30 +0000
commit7936bc4b6adebb2ca1f8fa64b23f446dd49130eb (patch)
tree38a6a450761df11cae2104b47d74d3bc7c3a4f30 /Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch
parenta04ebf0cdf85f3ab299a399d04c7ab8848ec5c7e (diff)
automatic import of opencvopeneuler24.03_LTS
Diffstat (limited to 'Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch')
-rw-r--r--Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch b/Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch
new file mode 100644
index 0000000..3e8126a
--- /dev/null
+++ b/Fix-OpenCV-build-with-OpenEXR-before-2.2.0.patch
@@ -0,0 +1,55 @@
+From 083a7c8f0a71076d4f2f5130d70abaedb2f8c8a5 Mon Sep 17 00:00:00 2001
+From: Alexander Smorkalov <alexander.smorkalov@xperience.ai>
+Date: Wed, 28 Apr 2021 10:41:59 +0300
+Subject: [PATCH] Fix OpenCV build with OpenEXR before 2.2.0.
+
+---
+ modules/imgcodecs/include/opencv2/imgcodecs.hpp | 4 ++--
+ modules/imgcodecs/src/grfmt_exr.cpp | 3 +++
+ 2 files changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/modules/imgcodecs/include/opencv2/imgcodecs.hpp b/modules/imgcodecs/include/opencv2/imgcodecs.hpp
+index 42227f3788..101a944146 100644
+--- a/modules/imgcodecs/include/opencv2/imgcodecs.hpp
++++ b/modules/imgcodecs/include/opencv2/imgcodecs.hpp
+@@ -120,8 +120,8 @@ enum ImwriteEXRCompressionFlags {
+ IMWRITE_EXR_COMPRESSION_PXR24 = 5, //!< lossy 24-bit float compression
+ IMWRITE_EXR_COMPRESSION_B44 = 6, //!< lossy 4-by-4 pixel block compression, fixed compression rate
+ IMWRITE_EXR_COMPRESSION_B44A = 7, //!< lossy 4-by-4 pixel block compression, flat fields are compressed more
+- IMWRITE_EXR_COMPRESSION_DWAA = 8, //!< lossy DCT based compression, in blocks of 32 scanlines. More efficient for partial buffer access.
+- IMWRITE_EXR_COMPRESSION_DWAB = 9, //!< lossy DCT based compression, in blocks of 256 scanlines. More efficient space wise and faster to decode full frames than DWAA_COMPRESSION.
++ IMWRITE_EXR_COMPRESSION_DWAA = 8, //!< lossy DCT based compression, in blocks of 32 scanlines. More efficient for partial buffer access. Supported since OpenEXR 2.2.0.
++ IMWRITE_EXR_COMPRESSION_DWAB = 9, //!< lossy DCT based compression, in blocks of 256 scanlines. More efficient space wise and faster to decode full frames than DWAA_COMPRESSION. Supported since OpenEXR 2.2.0.
+ };
+
+ //! Imwrite PNG specific flags used to tune the compression algorithm.
+diff --git a/modules/imgcodecs/src/grfmt_exr.cpp b/modules/imgcodecs/src/grfmt_exr.cpp
+index aaf28eead6..7acaf434c6 100644
+--- a/modules/imgcodecs/src/grfmt_exr.cpp
++++ b/modules/imgcodecs/src/grfmt_exr.cpp
+@@ -64,6 +64,7 @@
+ #include <ImfStandardAttributes.h>
+ #include <half.h>
+ #include "grfmt_exr.hpp"
++#include "OpenEXRConfig.h"
+
+ #if defined _WIN32
+
+@@ -649,12 +650,14 @@ bool ExrEncoder::write( const Mat& img, const std::vector<int>& params )
+ case IMWRITE_EXR_COMPRESSION_B44A:
+ header.compression() = B44A_COMPRESSION;
+ break;
++#if ((OPENEXR_VERSION_MAJOR * 1000 + OPENEXR_VERSION_MINOR) >= (2 * 1000 + 2)) // available since version 2.2.0
+ case IMWRITE_EXR_COMPRESSION_DWAA:
+ header.compression() = DWAA_COMPRESSION;
+ break;
+ case IMWRITE_EXR_COMPRESSION_DWAB:
+ header.compression() = DWAB_COMPRESSION;
+ break;
++#endif
+ default:
+ CV_Error(Error::StsBadArg, "IMWRITE_EXR_COMPRESSION is invalid or not supported");
+ }
+--
+2.29.2.windows.2
+