QString filename =QFileDialog::getOpenFileName(this,tr("Open Video File"),".",tr("Video Files(*.avi *.mp4 *.flv *.mkv)"));
std::cout << filename.toStdString().data()<< std::endl;
std::cout << "shuaxin? 2 " << std::endl;
//if(capture.open(filename.toLocal8Bit().data()))
if(capture.open(filename.toStdString()))
{
std::cout << "success " << std::endl;
}
else
std::cout << "error " << std::endl;
輸出：
shuaxin? 1
E:/hs/2020_01_28_08_38_IMG_0028.mp4
shuaxin? 2
error
shuaxin? 3
can not open
DllMain DLL_PROCESS_DETACH
請各位大神看看，我已經查了一周了，各種網上的方法都試過了，都不管用
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標籤：OpenCV
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