here are the samples. video lags are made by screen recorder but it played perfectly without lags .
vlc test - full hardware acceleration - subtitle animation broken -
http://gfycat.com/EsteemedEminentDog but when played in s/w animation subtitle works.
mx player plays perfectly using h/w subtitle acceleration -
http://gfycat.com/KlutzyFearfulGalapagostortoise
and it would be perfect if you can change acceleration settings without going to settings menu.