2017/9/8

20170908.md

rbenv

/usr/local/Cellar/rbenv/1.1.0/libexec/rbenv: No such file or directory

rbenv rehash

OpenCV

CV_EXPORTS

cvQueryFrameはIplImage*を返す PNGデータを返す cvEncodeImageは CvMat型を返す 欲しいのサイズと先頭アドレス

imencode(type.c_str(), mat, buff, param);

CvMat* cvEncodeImage(const char* ext, const CvArr* image, const int* params=0 )

cvEncodeImage returns single-row matrix of type CV_8UC1 that contains encoded image as array of bytes.

Homebrewのopencvをpyenvで使う

opencvのオプションがごっそり消えてた。。

PYTHONPATH=/usr/local/opt/opencv/lib/python3.6/site-packages:/usr/local/lib/python3.6/site-packages/ python3

関連

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