ref: 9bc040859b0ca6869d31bc0efa223e8684eef37a
parent: ab9755f3af72addd8545db091fa7f36e368dc7fd
author: hkuang <hkuang@google.com>
date: Mon Jun 16 14:23:06 EDT 2014
Introduce FrameWorker for decoding. When decoding in serial mode, there will be only one FrameWorker doing decoding. When decoding in parallel mode, there will be several FrameWorkers doing decoding in parallel. Change-Id: If53fc5c49c7a0bf5e773f1ce7008b8a62fdae257