I’m not professional but very interested in HW decoding of streams directly from satellites (SATs) - especially in 4:2:2 HW decoding. My 3-core AMD Athlon II X3 460 3.4 GHz (Rana core) enough for software decoding of h264 1920x1080i50 4:2:2 streams with 45-70% load of each core but for 20180428-175510_4K ENC 3 RMAD VS LEG.ts (563MB) 20180428-175510_4K ENC 3 RMAD VS LEG.ts — Yandex.Disk my CPU isn’t enough - it can decode just ~1fps and just expancive Core i7 or Ryzen can play that file fluently.
So according to [url]https://developer.nvidia.com/nvidia-video-codec-sdk#NVDECFeatures[/url] just newest Turing now RTX2080(Ti) or RTX2070 only can HW decode in the centre of https://devblogs.nvidia.com/nvidia-turing-architecture-in-depth/HEVC YUV444 10/12b HDR at 30 fps, H.264 8K, and VP9 10/12b HDR but only after * The Video Codec SDK, which exposes new decoder improvements and features of Turing will be released soon.
Historically that’s logical - VLD decoding of HEVC has appeared just in 2-nd generation Maxwell while encoding much earlier.
I hope ** 4:2:2 is not natively supported on HW not for Turing too because I’m sure 4:4:4 is harder than 4:2:2.