audio: PCR long term monitor [1/1]

PD#TV-33972

Problem:
new feature for PCR recovery

Solution:
first version: record 1000 samples as one group, get the average value.
compare the average value, find a stable deviacation.

Verify:
Sky-Hisense

Change-Id: Ia3cd1aebb00b16b11dda968aab9c2aa96652ca73
Signed-off-by: wei.du <wei.du@amlogic.com>
5 files changed
tree: a7cba1d22ad426639afe8c4eaa90f26bab542775
  1. src/
  2. avsync-lib.mk
  3. Config.in
  4. Makefile