amlvideosink: CB2 Set a reasonable fence value [1/1]

PD#SWPL-129180

Problem:
What the fence default value should be set to?

Solution:
The value of the fence is obtained by the decoder by sending the event

Verify:
AM301

Change-Id: If058b3c43d3f03d9e90fae024dc99d74929ae4f5
Signed-off-by: hanghang.luo <hanghang.luo@amlogic.com>
2 files changed