Hi Michael, Le Wed 23 Sep 26, 14:10, Michael Nazzareno Trimarchi a écrit : > I tested on px30 and achieved working H.264 encoding with some small changes That is a bit surprising, the Rockchip PX30 should come with a Hantro H1 (using a modified register layout) while this driver is for the Hantro VC8000E, which is a newer generation with very different registers. Maybe you ended up using CPU-based decoding when testing? All the best, Paul -- Paul Kocialkowski, Independent contractor - sys-base - https://www.sys-base.io/ Free software developer - https://www.paulk.fr/ Expert in multimedia, graphics and embedded hardware support with Linux.