[[:OpenCV]]

#contents
*概要 [#r570d69d]
-[[Orange Pi One Plus]]を買ってみたので、[[OpenCV 3.4.1>:OpenCV 3.4]]でビルドしてみた
*前提準備 [#i236c86f]
-[[Orange Pi One Plus]]参照
*今回のターゲット [#ef7f366d]
-Orange Pi One Plus
-OS:Ubuntu 16.04
-CPU:Arm Cortex-A53 Quad core 1.8GHz
-OpenCV 3.4.1
-cmake 3.5.1
-gcc 5.4.0
*OpenCV の取得 [#s3d8d428]
-gitでcloneして
-3.4.1をチェックアウトする
-パスは適宜合わせて
 ~$ time git clone git@github.com:opencv/opencv.git opencv-fork
 ~$ cd opencv-fork/
 ~/opencv-fork$ time git checkout -b Branch_3_4_1 3.4.1
 Switched to a new branch 'Branch_3_4_1'
-詳細は割愛
*OpenCV3.4.1のビルド [#lc5850af]
-cmakeのfull logは[[こちら>https://gist.github.com/tomoaki0705/340568045be22ec8516421750c9523b2]]
-make allのfull logは[[こちら>https://gist.github.com/tomoaki0705/1c1b3d5a4d053fcca98ce8d63f6f29d2]]
**cmake [#re496e78]
-[[ODROID-X2でOpenCV 3.1.0をビルド]]同様、out of source buildする 
 ~/opencv-fork$ mkdir build
 ~/opencv-fork$ cd build
 ~/opencv-fork/build$ time cmake -DBUILD_EXAMPLES:BOOL=ON .. 
 (中略)
 
 real	1m38.515s
 user	1m9.760s
 sys 0m10.200s
**make all [#q2d69d59]
-ビルドする
 ~/opencv-fork/build$ time make all
 (中略)
 
 real	92m23.677s
 user	86m56.340s
 sys 3m52.550s
-ccacheを入れた影響で早くなってる
-が、最初4コアでビルドしたら、メモリ不足で落ちて、2コアでも落ちた。
-さすがに1GBのメモリだと厳しい
**make install [#n2bf8a28]
-割愛
*OpenCVビルド時のコンフィグなど [#k0c19455]
**cvconfig.h [#ta85761f]
#geshi(c++){{
#ifndef OPENCV_CVCONFIG_H_INCLUDED
#define OPENCV_CVCONFIG_H_INCLUDED

/* OpenCV compiled as static or dynamic libs */
#define BUILD_SHARED_LIBS

/* OpenCV intrinsics optimized code */
#define CV_ENABLE_INTRINSICS

/* OpenCV additional optimized code */
/* #undef CV_DISABLE_OPTIMIZATION */

/* Compile for 'real' NVIDIA GPU architectures */
#define CUDA_ARCH_BIN ""

/* Create PTX or BIN for 1.0 compute capability */
/* #undef CUDA_ARCH_BIN_OR_PTX_10 */

/* NVIDIA GPU features are used */
#define CUDA_ARCH_FEATURES ""

/* Compile for 'virtual' NVIDIA PTX architectures */
#define CUDA_ARCH_PTX ""

/* AVFoundation video libraries */
/* #undef HAVE_AVFOUNDATION */

/* V4L capturing support */
/* #undef HAVE_CAMV4L */

/* V4L2 capturing support */
#define HAVE_CAMV4L2

/* Carbon windowing environment */
/* #undef HAVE_CARBON */

/* AMD's Basic Linear Algebra Subprograms Library*/
/* #undef HAVE_CLAMDBLAS */

/* AMD's OpenCL Fast Fourier Transform Library*/
/* #undef HAVE_CLAMDFFT */

/* Clp support */
/* #undef HAVE_CLP */

/* Cocoa API */
/* #undef HAVE_COCOA */

/* C= */
/* #undef HAVE_CSTRIPES */

/* NVidia Cuda Basic Linear Algebra Subprograms (BLAS) API*/
/* #undef HAVE_CUBLAS */

/* NVidia Cuda Runtime API*/
/* #undef HAVE_CUDA */

/* NVidia Cuda Fast Fourier Transform (FFT) API*/
/* #undef HAVE_CUFFT */

/* IEEE1394 capturing support */
/* #undef HAVE_DC1394 */

/* IEEE1394 capturing support - libdc1394 v2.x */
/* #undef HAVE_DC1394_2 */

/* DirectX */
/* #undef HAVE_DIRECTX */
/* #undef HAVE_DIRECTX_NV12 */
/* #undef HAVE_D3D11 */
/* #undef HAVE_D3D10 */
/* #undef HAVE_D3D9 */

/* DirectShow Video Capture library */
/* #undef HAVE_DSHOW */

/* Eigen Matrix & Linear Algebra Library */
/* #undef HAVE_EIGEN */

/* FFMpeg video library */
#define HAVE_FFMPEG

/* Geospatial Data Abstraction Library */
/* #undef HAVE_GDAL */

/* GStreamer multimedia framework */
/* #undef HAVE_GSTREAMER */

/* GTK+ 2.0 Thread support */
#define HAVE_GTHREAD

/* GTK+ 2.x toolkit */
#define HAVE_GTK

/* Halide support */
/* #undef HAVE_HALIDE */

/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1

/* Intel Perceptual Computing SDK library */
/* #undef HAVE_INTELPERC */

/* Intel Integrated Performance Primitives */
/* #undef HAVE_IPP */
/* #undef HAVE_IPP_ICV */
/* #undef HAVE_IPP_IW */

/* Intel IPP Async */
/* #undef HAVE_IPP_A */

/* JPEG-2000 codec */
#define HAVE_JASPER

/* IJG JPEG codec */
#define HAVE_JPEG

/* libpng/png.h needs to be included */
#define HAVE_LIBPNG_PNG_H

/* GDCM DICOM codec */
/* #undef HAVE_GDCM */

/* V4L/V4L2 capturing support via libv4l */
/* #undef HAVE_LIBV4L */

/* Microsoft Media Foundation Capture library */
/* #undef HAVE_MSMF */

/* NVidia Video Decoding API*/
/* #undef HAVE_NVCUVID */

/* NVidia Video Encoding API*/
/* #undef HAVE_NVCUVENC */

/* OpenCL Support */
#define HAVE_OPENCL
/* #undef HAVE_OPENCL_STATIC */
/* #undef HAVE_OPENCL_SVM */

/* OpenEXR codec */
#define HAVE_OPENEXR

/* OpenGL support*/
/* #undef HAVE_OPENGL */

/* OpenNI library */
/* #undef HAVE_OPENNI */

/* OpenNI library */
/* #undef HAVE_OPENNI2 */

/* PNG codec */
#define HAVE_PNG

/* Posix threads (pthreads) */
#define HAVE_PTHREAD

/* parallel_for with pthreads */
#define HAVE_PTHREADS_PF

/* Qt support */
/* #undef HAVE_QT */

/* Qt OpenGL support */
/* #undef HAVE_QT_OPENGL */

/* QuickTime video libraries */
/* #undef HAVE_QUICKTIME */

/* QTKit video libraries */
/* #undef HAVE_QTKIT */

/* Intel Threading Building Blocks */
/* #undef HAVE_TBB */

/* TIFF codec */
#define HAVE_TIFF

/* Unicap video capture library */
/* #undef HAVE_UNICAP */

/* Video for Windows support */
/* #undef HAVE_VFW */

/* V4L2 capturing support in videoio.h */
/* #undef HAVE_VIDEOIO */

/* Win32 UI */
/* #undef HAVE_WIN32UI */

/* XIMEA camera support */
/* #undef HAVE_XIMEA */

/* Xine video library */
/* #undef HAVE_XINE */

/* Define if your processor stores words with the most significant byte
   first (like Motorola and SPARC, unlike Intel and VAX). */
/* #undef WORDS_BIGENDIAN */

/* gPhoto2 library */
/* #undef HAVE_GPHOTO2 */

/* VA library (libva) */
/* #undef HAVE_VA */

/* Intel VA-API/OpenCL */
/* #undef HAVE_VA_INTEL */

/* Intel Media SDK */
/* #undef HAVE_MFX */

/* Lapack */
/* #undef HAVE_LAPACK */

/* Library was compiled with functions instrumentation */
/* #undef ENABLE_INSTRUMENTATION */

/* OpenVX */
/* #undef HAVE_OPENVX */

#if defined(HAVE_XINE)         || \
    defined(HAVE_GSTREAMER)    || \
    defined(HAVE_QUICKTIME)    || \
    defined(HAVE_QTKIT)        || \
    defined(HAVE_AVFOUNDATION) || \
    /*defined(HAVE_OPENNI)     || too specialized */ \
    defined(HAVE_FFMPEG)       || \
    defined(HAVE_MSMF)
#define HAVE_VIDEO_INPUT
#endif

#if /*defined(HAVE_XINE)       || */\
    defined(HAVE_GSTREAMER)    || \
    defined(HAVE_QUICKTIME)    || \
    defined(HAVE_QTKIT)        || \
    defined(HAVE_AVFOUNDATION) || \
    defined(HAVE_FFMPEG)       || \
    defined(HAVE_MSMF)
#define HAVE_VIDEO_OUTPUT
#endif

/* OpenCV trace utilities */
#define OPENCV_TRACE


#endif // OPENCV_CVCONFIG_H_INCLUDED
}}
**opencv_version -v [#of83d63a]
 General configuration for OpenCV 3.4.1 =====================================
   Version control:               3.4.1
 
   Platform:
     Timestamp:                   2018-04-12T06:02:01Z
     Host:                        Linux 3.10.65 aarch64
     CMake:                       3.5.1
     CMake generator:             Unix Makefiles
     CMake build tool:            /usr/bin/make
     Configuration:               Release
 
   CPU/HW features:
     Baseline:                    NEON FP16
       required:                  NEON
       disabled:                  VFPV3
 
   C/C++:
     Built as dynamic libs?:      YES
     C++ Compiler:                /usr/bin/c++  (ver 5.4.0)
     C++ flags (Release):         -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
     C++ flags (Debug):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
     C Compiler:                  /usr/bin/cc
     C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
     C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections    -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
     Linker flags (Release):      
     Linker flags (Debug):        
     ccache:                      YES
     Precompiled headers:         NO
     Extra dependencies:          dl m pthread rt
     3rdparty dependencies:
 
   OpenCV modules:
     To be built:                 calib3d core dnn features2d flann highgui imgcodecs imgproc java_bindings_generator ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
     Disabled:                    js world
     Disabled by dependency:      -
     Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz
     Applications:                tests perf_tests examples apps
     Documentation:               NO
     Non-free algorithms:         NO
 
   GUI: 
     GTK+:                        YES (ver 3.18.9)
       GThread :                  YES (ver 2.48.2)
       GtkGlExt:                  NO
     VTK support:                 NO
 
   Media I/O: 
     ZLib:                        /usr/lib/aarch64-linux-gnu/libz.so (ver 1.2.8)
     JPEG:                        libjpeg (ver 90)
     WEBP:                        build (ver encoder: 0x020e)
     PNG:                         /usr/lib/aarch64-linux-gnu/libpng.so (ver 1.2.54)
     TIFF:                        build (ver 42 - 4.0.9)
     JPEG 2000:                   build (ver 1.900.1)
     OpenEXR:                     build (ver 1.7.1)
 
   Video I/O:
     DC1394:                      NO
     FFMPEG:                      YES
       avcodec:                   YES (ver 56.60.100)
       avformat:                  YES (ver 56.40.101)
       avutil:                    YES (ver 54.31.100)
       swscale:                   YES (ver 3.1.101)
       avresample:                YES (ver 2.1.0)
     GStreamer:                   NO
     libv4l/libv4l2:              NO
     v4l/v4l2:                    linux/videodev2.h
     gPhoto2:                     NO
 
   Parallel framework:            pthreads
 
   Trace:                         YES (built-in)
 
   Other third-party libraries:
     Lapack:                      NO
     Eigen:                       NO
     Custom HAL:                  YES (carotene (ver 0.0.1))
     Protobuf:                    build (3.5.1)
 
   NVIDIA CUDA:                   NO
 
   OpenCL:                        YES (no extra features)
     Include path:                /home/orangepi/opencv-fork/3rdparty/include/opencl/1.2
     Link libraries:              Dynamic load
 
   Python (for build):            /usr/bin/python2.7
 
   Java:                          
     ant:                         NO
     JNI:                         NO
     Java wrappers:               NO
     Java tests:                  NO
 
   Matlab:                        NO
 
   Install to:                    /usr/local
 -----------------------------------------------------------------
*ビルドされたライブラリや実行ファイル [#u8d0f132]
-割愛

*関連ページ [#c6fc9d31]
-[[:OpenCV]]
-[[:OpenCV 3.0]]
-[[:OpenCV 3.4]]
-[[Orange Pi One Plus]]

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