libmix: A fix to avoid decoding frame twice in case of format change

BZ: 147579

In case of format change, VP8 decoder performs decoding one frame
twice, then two same decoded buffer are output. This patch is to
fix this issue.

Change-Id: I97e75ec6e717328f127104175f7dd1150408c020
Signed-off-by: Tianmi Chen <tianmi.chen@intel.com>
1 file changed