Multiple client applications to access a single SDI port?

I have the requirement that one application must apply image processing algorithms on the video feed from an SDI port and another app must encode the stream and RTMP it over to the distributing server for live streaming.

I have both applications ready and working.

The problem is that only one can work at a time. Meaning, only one application can access the same port on DeckLink 8K Pro. I kinda feel like that is how it is but maybe there is a clever trick to work around this.

If you have any suggestions, I am all ears.

P.S. this is Windows.

Using ffmpeg may help you out, or some other method to create a pipe that can be accessed y both applications instead of trying to get access to the input from 2 applications. Or alternately create a single application that does both tasks.

Or create a single application that does whatever common processing you need, and then allows piping that data to two or more further applications.