fn inter_frame_rdo_mode_decision<T: Pixel>(
fi: &FrameInvariants<T>,
ts: &mut TileStateMut<'_, T>,
cw: &mut ContextWriter<'_>,
bsize: BlockSize,
tile_bo: TileBlockOffset,
inter_cfg: &InterConfig,
cw_checkpoint: &ContextWriterCheckpoint,
rdo_type: RDOType,
) -> PartitionParameters