On the other hand, capturing the desktop could easily be done by just using the frame buffer with no regard to whether or not you are playing a game. If it can't record the desktop and instead only captures games, surely it must try and interact with the games in some way. A mismatch between your specs and the apps requirements might be the why GeForce experience wont record. Nevertheless, you might occasionally face instances when the function fails, such as GeForce Experience not recording. If you want to research this yourself, the two modes are "Inband Frame Readback" (NVIFR) for desktop capture (has overhead), and "Frame Buffer Capture" (NVFBC) for exclusive fullscreen capture (no overhead.) ShadowPlay technology allows you to record your gameplay and share it with your friends. With that option disabled, shadowplay will use frame buffer capture which does not (in theory) add input lag, since the game doesn't need to wait for Shadowplay to capture the frame. Shadowplay will inject itself into the game's code in that mode and this will add overhead. If that option is enabled, the game doesn't run detached from the capture anymore. The best part about the ShadowPlay is that you will not feel any frame skips or a dip in the game graphics.
Basically, Nvidia ShadowPlay is a hardware-accelerated screen recorder using the Nvidia graphics card on your PC or laptop.
RealNC wrote:Whether Shadowplay adds input lag depends on whether you have the option enabled that makes it capable of capturing the desktop. Nvidia ShadowPlay is a gameplay recording and enhancing tool from Nvidia for gamers.
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