remain size to prvent MB residual reading overflow
Simplify encoder interface--remove EncoderFrame2 from interface
function
Merge pull request #319 from ruil2/encoder_update

Simplify encoder interface--remove EncoderFrame2 function
Merge pull request #320 from huili2/mb_residual_size_check

remain size to prevent MB residual reading overflow
Merge remote-tracking branch 'upstream/master' into travis.osx