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The principle of cv::cudacodec::VideoReader

Hello,i am learning GPU video decoding by using opencv,and i want to get some imformation about the principle of cv::cudacodec::VideoReader,because i don`t know how opencv encapsulate NVCUVID.What has opencv done with cv::cudacodec::VideoReader?Such as the decoding process or other core principle. Thank you very much.

The principle of cv::cudacodec::VideoReader

Hello,i am learning GPU video decoding by using opencv,and i want to get some imformation about the principle of cv::cudacodec::VideoReader,because cv::cudacodec::VideoReader,because i don`t dont know how opencv encapsulate NVCUVID.What has opencv done with cv::cudacodec::VideoReader?Such withcv::cudacodec::VideoReader`?Such as the decoding process or other core principle. Thank you very much.

The principle of cv::cudacodec::VideoReader

Hello,i am learning GPU video decoding by using opencv,and i want to get some imformation about the principle of cv::cudacodec::VideoReader,because i dont don't know how opencv encapsulate NVCUVID.What has opencv done withwith cv::cudacodec::VideoReadercv::cudacodec::VideoReader`?Such ?Such as the decoding process or other core principle. Thank you very much.