Avi blur with random colour, not display video
 

Dear All,
I have mp4 rockchip 2.0 Inch + Micro SD. everything is running except video. i have try many avi that can running in other's player with the same spesification with my player. but there is no picture in my player, just a blur with random colour like broken video .

I suspect it is a firmware problem, but after upgrade firmware, there is the same problem.

Is there anyone can help me ?