[bug#30801] Add opencv

["Björn Höfling" <bjoern.hoefling@bjoernhoefling.de>]

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Here is another update:

* Kept it in one output.
* No, there are no .a-files.
* I tried to build the documentation, but somehow it did not work.
  Postponed for the next update.
* Added more to the description.
* The new ffmpeg 4.0 caused a core dump during test phase, so I set it
  explicitly to the old 3.4.

Björn

From 0e234430fec497d3c7702e288474e39d37cb8ae8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20H=C3=B6fling?=
 <bjoern.hoefling@bjoernhoefling.de>
Date: Fri, 16 Feb 2018 20:31:37 +0100
Subject: [PATCH] gnu: Add opencv.

* gnu/packages/image-processing.scm (opencv): New variable.
---
 gnu/packages/image-processing.scm | 200 ++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)

diff --git a/gnu/packages/image-processing.scm b/gnu/packages/image-processing.scm
index 6705a726c..ef303e134 100644
--- a/gnu/packages/image-processing.scm
+++ b/gnu/packages/image-processing.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2018 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -38,12 +39,16 @@
   #:use-module (gnu packages gnome)
   #:use-module (gnu packages graphics)
   #:use-module (gnu packages graphviz)
+  #:use-module (gnu packages gtk)
   #:use-module (gnu packages image)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages perl)
+  #:use-module (gnu packages photo)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages protobuf)
   #:use-module (gnu packages python)
   #:use-module (gnu packages serialization)
+  #:use-module (gnu packages video)
   #:use-module (gnu packages xiph)
   #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg))
@@ -191,3 +196,198 @@ triangulation.  VTK has an extensive information visualization framework, has
 a suite of 3D interaction widgets, supports parallel processing, and
 integrates with various databases on GUI toolkits such as Qt and Tk.")
     (license license:bsd-3)))
+
+(define-public opencv
+  (package
+    (name "opencv")
+    (version "3.4.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/opencv/opencv/archive/"
+                                  version ".zip"))
+              (file-name (string-append name "-" version ".zip"))
+              (sha256
+               (base32
+                "1g8pvnlkzzp50amd89149hqsbvsc2hq3vk1d6a9fksdcx8ra9g94"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; Remove external libraries. We have all available in Guix:
+                  (delete-file-recursively "3rdparty")
+
+                  ;; Milky icon set is non-free:
+                  (delete-file-recursively "modules/highgui/src/files_Qt/Milky")
+
+                  ;; Some jars found:
+                  (for-each delete-file
+                            '("modules/java/test/pure_test/lib/junit-4.11.jar"
+                              "samples/java/sbt/sbt/sbt-launch.jar"))))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:configure-flags
+       (list "-DWITH_IPP=OFF"
+             "-DWITH_ITT=OFF"
+
+             ;; CPU-Features:
+             ;; See cmake/OpenCVCompilerOptimizations.cmake
+             ;; (CPU_ALL_OPTIMIZATIONS) for a list of all optimizations
+             ;; BASELINE is the minimum optimization all CPUs must support
+             ;;
+             ;; DISPATCH is the list of optional dispatches
+             "-DCPU_BASELINE=SSE2, NEON"
+
+             "-DCPU_DISPATCH=SSE3,SSSE3,SSE4_1,SSE4_2,AVX,AVX2"
+             "-DCPU_DISPATCH_REQUIRE=SSE3,SSSE3,SSE4_1,SSE4_2,AVX,AVX2"
+
+             "-DBUILD_PERF_TESTS=OFF"
+             "-D BUILD_TESTS=ON"
+
+             (string-append "-DOPENCV_EXTRA_MODULES_PATH="
+                            "/tmp/guix-build-opencv-" ,version ".drv-0"
+                            "/opencv-contrib/opencv_contrib-" ,version
+                            "/modules")
+
+             ;;Define test data:
+             (string-append "-DOPENCV_TEST_DATA_PATH="
+                            "/tmp/guix-build-opencv-" ,version ".drv-0"
+                            ;;"/opencv-3.4.0"
+                            "/opencv-extra/opencv_extra-" ,version
+                            "/testdata")
+
+             ;; Is ON by default and would try to rebuild 3rd-party protobuf,
+             ;; which we had removed, which would lead to an error:
+             "-DBUILD_PROTOBUF=OFF"
+
+             ;; Rebuild protobuf files, because we have a slightly different
+             ;; version than the included one. If we would not update, we
+             ;; would get a compile error later:
+             "-DPROTOBUF_UPDATE_FILES=ON"
+
+             ;; xfeatures2d disabled, because it downloads extra binaries from
+             ;; https://github.com/opencv/opencv_3rdparty
+             ;; defined in xfeatures2d/cmake/download_{vgg|bootdesc}.cmake
+             ;; Cmp this bug entry:
+             ;; https://github.com/opencv/opencv_contrib/issues/1131
+             "-DBUILD_opencv_xfeatures2d=OFF")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'disable-broken-tests
+           (lambda _
+             ;; These tests fails with:
+             ;; vtkXOpenGLRenderWindow (0x723990): Could not find a decent config
+             ;; I think we have no OpenGL support with the Xvfb.
+             (substitute* '("modules/viz/test/test_tutorial3.cpp"
+                            "modules/viz/test/test_main.cpp"
+                            "modules/viz/test/tests_simple.cpp"
+                            "modules/viz/test/test_viz3d.cpp")
+               (("(TEST\\(Viz, )([a-z].*\\).*)" all pre post)
+                (string-append pre "DISABLED_" post)))
+
+             ;; This one fails with "unknown file: Failure"
+             ;; But I couldn't figure out which file was missing:
+             (substitute* (list (string-append
+                                 "../opencv-contrib/opencv_contrib-"
+                                 ,version
+                                 "/modules/face/test/test_face_align.cpp"))
+               (("(TEST\\(CV_Face_FacemarkKazemi, )(can_detect_landmarks\\).*)"
+                 all pre post)
+                (string-append pre "DISABLED_" post)))
+
+             ;; Failure reason: Bad accuracy
+             ;; Incorrect count of accurate poses [2nd case]: 90.000000 / 94.000000
+             (substitute* (list (string-append
+                                 "../opencv-contrib/opencv_contrib-"
+                                 ,version
+                                 "/modules/rgbd/test/test_odometry.cpp"))
+               (("(TEST\\(RGBD_Odometry_Rgbd, )(algorithmic\\).*)" all pre post)
+                (string-append pre "DISABLED_" post)))
+             #t))
+
+         ;; Idea copied from ldc.scm (ldc-bootstrap):
+         (add-after 'unpack 'unpack-submodule-sources
+           (lambda* (#:key inputs #:allow-other-keys)
+             (mkdir "../opencv-extra")
+             (mkdir "../opencv-contrib")
+             (let ((unpack (lambda (source target)
+                             (with-directory-excursion target
+                               (apply invoke "unzip"
+                                      (list (assoc-ref inputs source)))))))
+               (unpack "opencv-extra" "../opencv-extra")
+               (unpack "opencv-contrib" "../opencv-contrib"))))
+
+         (add-after 'set-paths 'add-ilmbase-include-path
+           (lambda* (#:key inputs #:allow-other-keys)
+           ;; OpenEXR propagates ilmbase, but its include files do not appear
+           ;; in the CPATH, so we need to add "$ilmbase/include/OpenEXR/" to
+           ;; the CPATH to satisfy the dependency on "ImathVec.h".
+           (setenv "CPATH"
+                   (string-append (assoc-ref inputs "ilmbase")
+                                  "/include/OpenEXR"
+                                  ":" (or (getenv "CPATH") "")))
+           #t))
+       (add-before 'check 'start-xserver
+         (lambda* (#:key inputs #:allow-other-keys)
+           (let ((xorg-server (assoc-ref inputs "xorg-server"))
+                 (disp ":1"))
+             (setenv "HOME" (getcwd))
+             (setenv "DISPLAY" disp)
+             ;; There must be a running X server and make check doesn't start one.
+             ;; Therefore we must do it.
+             (zero? (system (format #f "~a/bin/Xvfb ~a &" xorg-server disp)))))))))
+    (native-inputs
+     `(("unzip" ,unzip)
+       ("pkg-config" ,pkg-config)
+       ("xorg-server" ,xorg-server) ; For running the tests
+       ("opencv-extra"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append "https://codeload.github.com/"
+                               "opencv/opencv_extra/zip/" version))
+           (file-name (string-append "opencv-extra-" version ".zip"))
+           (sha256
+            (base32 "0wfh3pvfxqydf7hsccp50npcsg37sf6fqi6cd3zkc4qil9zhpbps"))))
+       ("opencv-contrib"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append "https://codeload.github.com/"
+                               "opencv/opencv_contrib/zip/" version))
+           (file-name (string-append "opencv-contrib-" version ".zip"))
+           (sha256
+           (base32 "18zm0qmjcdvg90c33gzv0ws0xdaid1xpqzz2xa9l2x12qkr6zj3p"))))))
+    (inputs `(("libjpeg" ,libjpeg)
+              ("libpng" ,libpng)
+              ("jasper" ,jasper)
+              ;; ffmpeg 4.0 causes core dumps in tests.
+              ("ffmpeg" ,ffmpeg-3.4)
+              ("libtiff" ,libtiff)
+              ("hdf5" ,hdf5)
+              ("libgphoto2" ,libgphoto2)
+              ("libwebp" ,libwebp)
+              ("zlib" ,zlib)
+              ("gtkglext" ,gtkglext)
+              ("openexr" ,openexr)
+              ("ilmbase" ,ilmbase)
+              ("gtk+" ,gtk+-2)
+              ("python-numpy" ,python-numpy)
+              ("protobuf" ,protobuf)
+              ("vtk" ,vtk)
+              ("python" ,python)))
+    (synopsis "Computer vision library")
+    (description "OpenCV is a library aimed at
+real-time computer vision, including several hundred computer
+vision algorithms.  It can be used to do things like:
+
+@itemize
+@item image and video input and output
+@item image and video processing
+@item displaying
+@item feature recognition
+@item segmentation
+@item facial recognition
+@item stereo vision
+@item structure from motion
+@item augmented reality
+@item machine learning
+@end itemize\n")
+    (home-page "https://opencv.org/")
+    (license license:bsd-3)))
-- 
2.17.0



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