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教程:在Archlinux下的Qt中快速部署FFmpeg&SDL&OpenCV开发环境;

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..前一段日子把老本的Arch重装惹下,目前是用来当作P-Code(伪代码)环境。在Arch上写模块打草稿,在Win8.1上写成品,用FreeBSD来跑服务器。Arch做开发还是很顺畅的ww//平时写写Desktop、Web、文档,测试书上的代码,高兴惹写写Lisp玩。远程下或者跑跑服务也不在话下。现在滚挂的几率已经越来越低惹。


OpenCV

安装OpenCV4环境:

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pacman -S opencv4

官方源的OpenCV一直在保持更新!当然你也可以自己找源码makeinstall下。

查询OpenCV4环境位置:

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whereis opencv4

在Qt的pro文件中引用OpenCV4库:

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LIBS += -LD:/usr/include/opencv4/opencv2 \
 -lopencv_gapi  \
 -lopencv_stitching\
 -lopencv_aruco\
 -lopencv_bgsegm\
 -lopencv_bioinspired\
 -lopencv_ccalib\
 -lopencv_cvv\
 -lopencv_dnn_objdetect\
 -lopencv_dnn_superres\
 -lopencv_dpm\
 -lopencv_highgui\
 -lopencv_face\
 -lopencv_freetype\
 -lopencv_fuzzy\
 -lopencv_hdf\
 -lopencv_hfs\
 -lopencv_img_hash\
 -lopencv_line_descriptor\
 -lopencv_quality\
 -lopencv_reg\
 -lopencv_rgbd\
 -lopencv_saliency\
 -lopencv_stereo\
 -lopencv_structured_light\
 -lopencv_phase_unwrapping\
 -lopencv_superres\
 -lopencv_optflow\
 -lopencv_surface_matching\
 -lopencv_tracking\
 -lopencv_datasets\
 -lopencv_text\
 -lopencv_dnn\
 -lopencv_plot\
 -lopencv_videostab\
 -lopencv_videoio\
 -lopencv_viz\
 -lopencv_xfeatures2d\
 -lopencv_shape\
 -lopencv_ml\
 -lopencv_ximgproc\
 -lopencv_video\
 -lopencv_xobjdetect\
 -lopencv_objdetect\
 -lopencv_calib3d\
 -lopencv_imgcodecs\
 -lopencv_features2d\
 -lopencv_flann\
 -lopencv_xphoto\
 -lopencv_photo\
 -lopencv_imgproc\
 -lopencv_core\

FFmpeg

官网下载源码解压,然后make下:

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./configure
make
make install

查询ffmpeg位置:

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whereis ffmpeg

在Qt的pro文件中引用ffmpeg库:

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INCLUDEPATH += /mnt/sda1/learn_ffmpeg/ffmpeg/include/   \

LIBS += -LD:/mnt/sda1/learn_ffmpeg/ffmpeg/lib/  \
-lavdevice  \
-lavformat \
-lavfilter \
-lavcodec  \
-lswscale  \
-lavutil   \
-lswresample

SDL

安装SDL环境:

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pacman -S sdl

查询SDL环境位置:

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whereis sdl

在Qt的pro文件中引用ffmpeg库:

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INCLUDEPATH += -LE:/usr/include/SDL2

LIBS += -LE:/usr/lib -lSDL2
LIBS += -LE:/usr/lib -lSDL2main
#LIBS += -LE:/usr/lib -lSDL2test

新建Qt控制台,写好引用,测试下都能跑就好惹。

详细配置可以自己酌情动态调整!!


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2020年02月13日

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