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ADV212 compressed color image emerges bad block

Question asked by jiawen on Sep 6, 2015
Latest reply on Sep 15, 2015 by DaveD

HI

     Am using ADV212 to compress color images, some of the compressed images are right,but some of them have bad block when viewed in Kdu.it is almost one right,and the other has bad block.

      MY VIDEO SOURCE:

               1)output 4:2:2 data in CbYCrY orde.

               2)data depth :8bit

               3)frame frequency:30FPS

               4)pic size:640 x 480

    MY REGISTERS SETTINGS

               input mclk = 27M

               input vclk = 27M

               direct reg: clock_HI = 0088,

               direct reg: clock_LO=002

     the compressed images are attached below,pls give some help

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