d46162981a
Vulkan video has parameter overrides, where the driver can override the driver provided parameters with an encoded bitstream where it has made changes. This is the support code to encode the bitstream headers for h264 from parameters (sps/pps). Reviewed-by: Hyunjun Ko <zzoon@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25874>