Experimental VP9 Hardware Acceleration for VDPAU-VAAPI Wrapper on Linux (NVIDIA)
This experimental patch was developed primarily by analyzing FFMpeg and Chromium VP9 code and allows hardware acceleration of VP9 Profile 0 8-bit on Linux for supported NVIDIA cards (which seems to be common among YouTube videos). More details here: https://github.com/xtknight/vdpau-va-driver-vp9