libavsync: update pts_video sys node [1/1]

PD#SWPL-39569

Problem:
Tsync will use timestamp_vpts_get() for mode switching.For v4l2/DRM
solution, pts_video won't be updated. Tsync will use the wrong
value.

Solution:
libavsync update this sys node after pop last frame.

Verify:
T5D

Change-Id: I79b2180f5f35437a4b48217a85ad0fec6409132d
Signed-off-by: Song Zhao <song.zhao@amlogic.com>
3 files changed