why my android player crashed randomly when playing 1080p video?

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http://stackoverflow.com – i'm facing a problem that my android media player will crash randomly when play 1080p(or more large size) video, the strange thing is it works fine in most time , the operation to reproduce the crash condition is clicking to play a video then exit quickly,repeat this step,after several times,the player will crash. below is complete logs dumped by logcat, this info contains 3 times playing for the same video named "xxx.rmvb", the first two playing work fine,but the third playing get errors. the common log of the first two fine playing is : "Vo_android.c config...call nativeConfig !" // nat (HowTos)