For software like Mozilla Firefox that relies on the cross-vendor Video Acceleration API (VA-API) for hardware GPU-based video decoding and doesn’t support NVIDIA’s proprietary NVDEC interface for video decoding, there is an in-development VA-API implementation that works atop NVIDIA NVDEC…

Source: Phoronix – Experimental VA-API Implemented Over NVIDIA’s NVDEC – Allows Firefox Video Acceleration