warning: Error opening file (../../modules/highgui/src/cap_ffmpeg_impl.hpp:529)
OpenCV报错： ide warning: Error opening file (../../modules/highgui/src/cap_ffmpeg_impl.hpp:529) capture device failed to open!ui 这种错误，都是视频文件的输入路径出错了，好好检查路径！视频 解决：更改输入video文件的路径，肯定正确后即运行成功。gui
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