i need someone to make me an option for video playback in obs, the hardware i have is blackmagic decklink under linux, windows and mac, i need only people experimented on this , that was working on the past on this

i need someone to make me an option for video playback in obs, the hardware i have is blackmagic decklink under linux, windows and mac, i need only people experimented on this , that was working on the past on this, if you do it you will be hire for future project., i also needs to see it tested before award so i not going to waste my money and time, so please make sure you can do it, NOTE: i will provide you with the guide SDK from decklink or you can do it via ffmpeg library please you need to say wich one you going to choose