meson vdec support - Githubissues

bootlin / libva-v4l2-request

LibVA implementation for the Linux Video4Linux2 Request API

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meson vdec support #37

Open danboid opened 2 years ago

danboid commented 2 years ago

The README only seems to mention this library being used with the Allwinner SoC's but I wonder if it should also work with the meson vdec kernel decoder used in Amlogic SoCs such as the S905X3?

Have you heard of anyone successfully testing it with an Amlogic SoC? If so, which kernel version was used?

chewitt commented 2 years ago

Amlogic SoCs use the v4l2m2m (stateful) UAPI, not the v4l2-request (stateless) UAPI, so the short answer is no (wrong API) and the longer answer involves a critique of the vdec which is still early stage and needs a lot of work.

danboid commented 2 years ago

Thanks @chewitt !

It would be nice to see this made clear in the README which currently makes no mention of this distinction / requirement.