Allwinner H3 video deinterlacer
A hardware video deinterlacing engine built into Allwinner's H3 system-on-chip, a low-cost ARM processor introduced in 2014 and widely used in inexpensive single-board computers such as the Orange Pi PC. It accelerates the conversion of interlaced video (typical of analog TV and older camera sources) into progressive frames suitable for modern displays.
recommendation
Worth keeping but documenting as niche hardware. The deinterlacer block lives inside the Allwinner H3, a 2014-era ARM system-on-chip that still powers low-cost single-board computers like the Orange Pi PC, which Armbian continues to ship images for. The code saw upstream patch activity as recently as October 2025, so it is not abandoned, but its user base is narrow embedded and SBC deployments rather than mainstream systems.
repository signals
sources
- lore.kernel.org
Upstream activity is still present: the driver file was touched by a linux-media patch series in October 2025, so this is not abandoned code.
- cateee.net
LKDDb maps CONFIG_VIDEO_SUN8I_DEINTERLACE to drivers/media/platform/sunxi/sun8i-di and to DT compatible allwinner,sun8i-h3-deinterlace, confirming the hardware binding and continued presence in current kernels.
- linux-sunxi.org
linux-sunxi identifies H3 as an Allwinner SoC released in 2014 and documents it as the SoC family associated with this driver class; this points to older but still-known sunxi hardware rather than a recent platform.
- armbian.com
Armbian still publishes current images for the Orange Pi PC, an Allwinner H3 board, in 2026; that is evidence the underlying H3 platform remains in at least low ongoing deployment and support.
codex reasoning notes (technical)
Kconfig/sun8i-di.c read via shell: driver is a real V4L2 mem2mem platform driver for the Allwinner deinterlace block and names H3 explicitly; OF match is allwinner,sun8i-h3-deinterlace. lore_file_timeline on the directory returned 0 events, so no obvious removal thread surfaced in the fast path. lore_activity on sun8i-di.c returned October 2025 linux-media activity (URL above), which argues against deprecation-by-neglect. Web search produced LKDDb, linux-sunxi H3, and Armbian Orange Pi PC pages; together they show old 2014-era hardware that is still supported and likely still sold/deployed in SBC/embedded niches. Result: keep the driver, but annotate as niche/aging hardware rather than deprecate or remove.