libmix: refine decoder for adaptive video playback

BZ: 177230

Set the output window size to the max value and disable low delay mode when Adaptive Video Playback is enabled.

Change-Id: I13dfdde755a5a6f31f81539d1ba39f271256912b
Signed-off-by: Dan Liang <dan.liang@intel.com>
2 files changed