[C#]opencvsharp写出视频文件存在问题无法读取

实例：

OpenCvSharp.Size dsize = new OpenCvSharp.Size(1920, 1080); FourCC codec = FourCC.XVID; VideoWriter write = new VideoWriter("videoPath/videoName.avi", codec, 20.0, dsize, true); DirectoryInfo directoryInfo = new DirectoryInfo("imagesPath"); FileInfo[] fileInfoList = directoryInfo.GetFiles(); foreach (FileInfo di in fileInfoList) {    OpenCvSharp.Mat mat = Cv2.ImRead(di.FullName);     write.Write(mat); }     write.Release();

写出后发现文件体积很小，基本不到1Kb，解决方法：

The MatType is CV_8UC4. I convert it into CV_8UC3. And then this problem has been solved. Now the video can be played. Example code: Cv2.CvtColor(mat, mat, ColorConversionCodes.BGRA2BGR);