解码模块
1. Opencv解码
cv::VideoCapture cap;
if (!cap.isOpened()) {
cap.open(input_url);
}
cap.set(cv::CAP_PROP_OUTPUT_YUV, 1.0); //设置输出YUVI420格式数据,如选择BGR输出则注释掉此行代码
cv::Mat *img = new cv::Mat;
cap.read(*img);
//do something
......
//end
delete img;2. ffmpeg解码
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