How to add ffmpeg options to VideoCapture

[cudawarped]

As far as I am aware you can’t do the above, you would need to use the new hardware acceleration api, this may help

Trouble using NVDIA hardware decoder when streaming from Camera

I was refering to the source of information, sorry for the confusion. The point is cv::cudacodec::VideoReader() should work on all versions of CUDA any information to the contrary may be for specific circumstances which I would be interested to investigate if you have a link to the information? Anyway this thread is getting confusing, I have just performed some tests on my build of 4.5.5 to confirm everything is working as it should, and it appears to be. I will try to compress the relevent …