here is my working tree for orangepi zero 3 kernel and ffmpeg implementation, some highlights https://github.com/thor2002ro/armbian_build Video decoding: H.264 fixes, experimental 8K HEVC support, and VP9, VC-1, JPEG, CAVS/CAVS2, MPEG-4 and H.263 support. Video encoding: H.264 and JPEG encoding, with DMA-BUF support for compatible transcoding pipelines. FFmpeg: A separate build with V4L2 Request support. Display and audio: HDMI audio, improved display processing, and HDMI YUV and 10-bit output support. Power and cooling: CPU and GPU cooling, power-key support, and video engine autosuspend. Reliability: IOMMU, Ethernet, USB, MMC and SPI fixes. Diagnostics: Video engine load and stream counters, plus improved fault reporting. DVB support ๐ extra dvb fixes for cxd2841er mn88472 mn88473 https://github.com/thor2002ro/linux-dvb-drivers-fixes I use it as a headless server wired in so.... hdmi/emmc/wifi implementation is untested