amlvideosink: CF1 reduce buf num [2/2]

PD#SWPL-98546

Problem:
add prop to control use basesink sync flow

Solution:
(detail info)

Verify:
(detail info)

Change-Id: Iae3f8e39a162c25c2dd2076476d34e755f290ba0
Signed-off-by: xuesong.jiang <xuesong.jiang@amlogic.com>
2 files changed