when select avbr must set target_bps max_bps min_bps,in still scene
will used min_bps for enc, in the moving scene will max_bps for enc.
and final avg bit will get close to target_bps
Change-Id: I84b2878c7e76b18a593ca2a0d99c0c8f26a2d557
Signed-off-by: sayon.chen <sayon.chen@rock-chips.com>