audioutils: Enhance IpcBuffer API for LL player. [2/3]

PD#SWPL-132311

Problem:
Need aditional API to implement low latency audio
feature.

Solution:
Enhance IpcBuffer API.

Verify:
NTS LLP test

Change-Id: I59eb9b06cbb1ab0008e7be1ae78f1edcd4c89155
Signed-off-by: Tim Yao <tim.yao@amlogic.com>
3 files changed
tree: cfae654e806d49cb9a22e1ca0ac1dfd9cf23cc6b
  1. include/
  2. src/
  3. Makefile